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e73566fdc2
Folia/patches/server/0003-Threaded-Regions.patch
Spottedleaf e73566fdc2 Use redstone game time for hopper tickedGameTime 
This should fix timing inconsistencies for hoppers
2024-03-28 18:38:09 -07:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sun, 2 Oct 2022 21:28:53 -0700
Subject: [PATCH] Threaded Regions
See https://docs.papermc.io/folia/reference/overview and
https://docs.papermc.io/folia/reference/region-logic
diff --git a/src/main/java/ca/spottedleaf/concurrentutil/map/SWMRInt2IntHashTable.java b/src/main/java/ca/spottedleaf/concurrentutil/map/SWMRInt2IntHashTable.java
new file mode 100644
index 0000000000000000000000000000000000000000..7869cc177c95e26dd9e1d3db5b50e996956edb24
--- /dev/null
+++ b/src/main/java/ca/spottedleaf/concurrentutil/map/SWMRInt2IntHashTable.java
@@ -0,0 +1,664 @@
+package ca.spottedleaf.concurrentutil.map;
+
+import ca.spottedleaf.concurrentutil.util.ArrayUtil;
+import ca.spottedleaf.concurrentutil.util.ConcurrentUtil;
+import ca.spottedleaf.concurrentutil.util.Validate;
+import io.papermc.paper.util.IntegerUtil;
+import java.lang.invoke.VarHandle;
+import java.util.Arrays;
+import java.util.function.Consumer;
+import java.util.function.IntConsumer;
+
+public class SWMRInt2IntHashTable {
+
+ protected int size;
+
+ protected TableEntry[] table;
+
+ protected final float loadFactor;
+
+ protected static final VarHandle SIZE_HANDLE = ConcurrentUtil.getVarHandle(SWMRInt2IntHashTable.class, "size", int.class);
+ protected static final VarHandle TABLE_HANDLE = ConcurrentUtil.getVarHandle(SWMRInt2IntHashTable.class, "table", TableEntry[].class);
+
+ /* size */
+
+ protected final int getSizePlain() {
+ return (int)SIZE_HANDLE.get(this);
+ }
+
+ protected final int getSizeOpaque() {
+ return (int)SIZE_HANDLE.getOpaque(this);
+ }
+
+ protected final int getSizeAcquire() {
+ return (int)SIZE_HANDLE.getAcquire(this);
+ }
+
+ protected final void setSizePlain(final int value) {
+ SIZE_HANDLE.set(this, value);
+ }
+
+ protected final void setSizeOpaque(final int value) {
+ SIZE_HANDLE.setOpaque(this, value);
+ }
+
+ protected final void setSizeRelease(final int value) {
+ SIZE_HANDLE.setRelease(this, value);
+ }
+
+ /* table */
+
+ protected final TableEntry[] getTablePlain() {
+ //noinspection unchecked
+ return (TableEntry[])TABLE_HANDLE.get(this);
+ }
+
+ protected final TableEntry[] getTableAcquire() {
+ //noinspection unchecked
+ return (TableEntry[])TABLE_HANDLE.getAcquire(this);
+ }
+
+ protected final void setTablePlain(final TableEntry[] table) {
+ TABLE_HANDLE.set(this, table);
+ }
+
+ protected final void setTableRelease(final TableEntry[] table) {
+ TABLE_HANDLE.setRelease(this, table);
+ }
+
+ protected static final int DEFAULT_CAPACITY = 16;
+ protected static final float DEFAULT_LOAD_FACTOR = 0.75f;
+ protected static final int MAXIMUM_CAPACITY = Integer.MIN_VALUE >>> 1;
+
+ /**
+ * Constructs this map with a capacity of {@code 16} and load factor of {@code 0.75f}.
+ */
+ public SWMRInt2IntHashTable() {
+ this(DEFAULT_CAPACITY, DEFAULT_LOAD_FACTOR);
+ }
+
+ /**
+ * Constructs this map with the specified capacity and load factor of {@code 0.75f}.
+ * @param capacity specified initial capacity, > 0
+ */
+ public SWMRInt2IntHashTable(final int capacity) {
+ this(capacity, DEFAULT_LOAD_FACTOR);
+ }
+
+ /**
+ * Constructs this map with the specified capacity and load factor.
+ * @param capacity specified capacity, > 0
+ * @param loadFactor specified load factor, > 0 && finite
+ */
+ public SWMRInt2IntHashTable(final int capacity, final float loadFactor) {
+ final int tableSize = getCapacityFor(capacity);
+
+ if (loadFactor <= 0.0 || !Float.isFinite(loadFactor)) {
+ throw new IllegalArgumentException("Invalid load factor: " + loadFactor);
+ }
+
+ //noinspection unchecked
+ final TableEntry[] table = new TableEntry[tableSize];
+ this.setTablePlain(table);
+
+ if (tableSize == MAXIMUM_CAPACITY) {
+ this.threshold = -1;
+ } else {
+ this.threshold = getTargetCapacity(tableSize, loadFactor);
+ }
+
+ this.loadFactor = loadFactor;
+ }
+
+ /**
+ * Constructs this map with a capacity of {@code 16} or the specified map's size, whichever is larger, and
+ * with a load factor of {@code 0.75f}.
+ * All of the specified map's entries are copied into this map.
+ * @param other The specified map.
+ */
+ public SWMRInt2IntHashTable(final SWMRInt2IntHashTable other) {
+ this(DEFAULT_CAPACITY, DEFAULT_LOAD_FACTOR, other);
+ }
+
+ /**
+ * Constructs this map with a minimum capacity of the specified capacity or the specified map's size, whichever is larger, and
+ * with a load factor of {@code 0.75f}.
+ * All of the specified map's entries are copied into this map.
+ * @param capacity specified capacity, > 0
+ * @param other The specified map.
+ */
+ public SWMRInt2IntHashTable(final int capacity, final SWMRInt2IntHashTable other) {
+ this(capacity, DEFAULT_LOAD_FACTOR, other);
+ }
+
+ /**
+ * Constructs this map with a min capacity of the specified capacity or the specified map's size, whichever is larger, and
+ * with the specified load factor.
+ * All of the specified map's entries are copied into this map.
+ * @param capacity specified capacity, > 0
+ * @param loadFactor specified load factor, > 0 && finite
+ * @param other The specified map.
+ */
+ public SWMRInt2IntHashTable(final int capacity, final float loadFactor, final SWMRInt2IntHashTable other) {
+ this(Math.max(Validate.notNull(other, "Null map").size(), capacity), loadFactor);
+ this.putAll(other);
+ }
+
+ public final float getLoadFactor() {
+ return this.loadFactor;
+ }
+
+ protected static int getCapacityFor(final int capacity) {
+ if (capacity <= 0) {
+ throw new IllegalArgumentException("Invalid capacity: " + capacity);
+ }
+ if (capacity >= MAXIMUM_CAPACITY) {
+ return MAXIMUM_CAPACITY;
+ }
+ return IntegerUtil.roundCeilLog2(capacity);
+ }
+
+ /** Callers must still use acquire when reading the value of the entry. */
+ protected final TableEntry getEntryForOpaque(final int key) {
+ final int hash = SWMRInt2IntHashTable.getHash(key);
+ final TableEntry[] table = this.getTableAcquire();
+
+ for (TableEntry curr = ArrayUtil.getOpaque(table, hash & (table.length - 1)); curr != null; curr = curr.getNextOpaque()) {
+ if (key == curr.key) {
+ return curr;
+ }
+ }
+
+ return null;
+ }
+
+ protected final TableEntry getEntryForPlain(final int key) {
+ final int hash = SWMRInt2IntHashTable.getHash(key);
+ final TableEntry[] table = this.getTablePlain();
+
+ for (TableEntry curr = table[hash & (table.length - 1)]; curr != null; curr = curr.getNextPlain()) {
+ if (key == curr.key) {
+ return curr;
+ }
+ }
+
+ return null;
+ }
+
+ /* MT-Safe */
+
+ /** must be deterministic given a key */
+ protected static int getHash(final int key) {
+ return it.unimi.dsi.fastutil.HashCommon.mix(key);
+ }
+
+ // rets -1 if capacity*loadFactor is too large
+ protected static int getTargetCapacity(final int capacity, final float loadFactor) {
+ final double ret = (double)capacity * (double)loadFactor;
+ if (Double.isInfinite(ret) || ret >= ((double)Integer.MAX_VALUE)) {
+ return -1;
+ }
+
+ return (int)ret;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ /* Make no attempt to deal with concurrent modifications */
+ if (!(obj instanceof SWMRInt2IntHashTable)) {
+ return false;
+ }
+ final SWMRInt2IntHashTable other = (SWMRInt2IntHashTable)obj;
+
+ if (this.size() != other.size()) {
+ return false;
+ }
+
+ final TableEntry[] table = this.getTableAcquire();
+
+ for (int i = 0, len = table.length; i < len; ++i) {
+ for (TableEntry curr = ArrayUtil.getOpaque(table, i); curr != null; curr = curr.getNextOpaque()) {
+ final int value = curr.getValueAcquire();
+
+ final int otherValue = other.get(curr.key);
+ if (value != otherValue) {
+ return false;
+ }
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int hashCode() {
+ /* Make no attempt to deal with concurrent modifications */
+ int hash = 0;
+ final TableEntry[] table = this.getTableAcquire();
+
+ for (int i = 0, len = table.length; i < len; ++i) {
+ for (TableEntry curr = ArrayUtil.getOpaque(table, i); curr != null; curr = curr.getNextOpaque()) {
+ hash += curr.hashCode();
+ }
+ }
+
+ return hash;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String toString() {
+ final StringBuilder builder = new StringBuilder(64);
+ builder.append("SingleWriterMultiReaderHashMap:{");
+
+ this.forEach((final int key, final int value) -> {
+ builder.append("{key: \"").append(key).append("\", value: \"").append(value).append("\"}");
+ });
+
+ return builder.append('}').toString();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public SWMRInt2IntHashTable clone() {
+ return new SWMRInt2IntHashTable(this.getTableAcquire().length, this.loadFactor, this);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public void forEach(final Consumer<? super SWMRInt2IntHashTable.TableEntry> action) {
+ Validate.notNull(action, "Null action");
+
+ final TableEntry[] table = this.getTableAcquire();
+ for (int i = 0, len = table.length; i < len; ++i) {
+ for (TableEntry curr = ArrayUtil.getOpaque(table, i); curr != null; curr = curr.getNextOpaque()) {
+ action.accept(curr);
+ }
+ }
+ }
+
+ @FunctionalInterface
+ public static interface BiIntIntConsumer {
+ public void accept(final int key, final int value);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public void forEach(final BiIntIntConsumer action) {
+ Validate.notNull(action, "Null action");
+
+ final TableEntry[] table = this.getTableAcquire();
+ for (int i = 0, len = table.length; i < len; ++i) {
+ for (TableEntry curr = ArrayUtil.getOpaque(table, i); curr != null; curr = curr.getNextOpaque()) {
+ final int value = curr.getValueAcquire();
+
+ action.accept(curr.key, value);
+ }
+ }
+ }
+
+ /**
+ * Provides the specified consumer with all keys contained within this map.
+ * @param action The specified consumer.
+ */
+ public void forEachKey(final IntConsumer action) {
+ Validate.notNull(action, "Null action");
+
+ final TableEntry[] table = this.getTableAcquire();
+ for (int i = 0, len = table.length; i < len; ++i) {
+ for (TableEntry curr = ArrayUtil.getOpaque(table, i); curr != null; curr = curr.getNextOpaque()) {
+ action.accept(curr.key);
+ }
+ }
+ }
+
+ /**
+ * Provides the specified consumer with all values contained within this map. Equivalent to {@code map.values().forEach(Consumer)}.
+ * @param action The specified consumer.
+ */
+ public void forEachValue(final IntConsumer action) {
+ Validate.notNull(action, "Null action");
+
+ final TableEntry[] table = this.getTableAcquire();
+ for (int i = 0, len = table.length; i < len; ++i) {
+ for (TableEntry curr = ArrayUtil.getOpaque(table, i); curr != null; curr = curr.getNextOpaque()) {
+ final int value = curr.getValueAcquire();
+
+ action.accept(value);
+ }
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public int get(final int key) {
+ final TableEntry entry = this.getEntryForOpaque(key);
+ return entry == null ? 0 : entry.getValueAcquire();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public boolean containsKey(final int key) {
+ final TableEntry entry = this.getEntryForOpaque(key);
+ return entry != null;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public int getOrDefault(final int key, final int defaultValue) {
+ final TableEntry entry = this.getEntryForOpaque(key);
+
+ return entry == null ? defaultValue : entry.getValueAcquire();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public int size() {
+ return this.getSizeAcquire();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public boolean isEmpty() {
+ return this.getSizeAcquire() == 0;
+ }
+
+ /* Non-MT-Safe */
+
+ protected int threshold;
+
+ protected final void checkResize(final int minCapacity) {
+ if (minCapacity <= this.threshold || this.threshold < 0) {
+ return;
+ }
+
+ final TableEntry[] table = this.getTablePlain();
+ int newCapacity = minCapacity >= MAXIMUM_CAPACITY ? MAXIMUM_CAPACITY : IntegerUtil.roundCeilLog2(minCapacity);
+ if (newCapacity < 0) {
+ newCapacity = MAXIMUM_CAPACITY;
+ }
+ if (newCapacity <= table.length) {
+ if (newCapacity == MAXIMUM_CAPACITY) {
+ return;
+ }
+ newCapacity = table.length << 1;
+ }
+
+ //noinspection unchecked
+ final TableEntry[] newTable = new TableEntry[newCapacity];
+ final int indexMask = newCapacity - 1;
+
+ for (int i = 0, len = table.length; i < len; ++i) {
+ for (TableEntry entry = table[i]; entry != null; entry = entry.getNextPlain()) {
+ final int key = entry.key;
+ final int hash = SWMRInt2IntHashTable.getHash(key);
+ final int index = hash & indexMask;
+
+ /* we need to create a new entry since there could be reading threads */
+ final TableEntry insert = new TableEntry(key, entry.getValuePlain());
+
+ final TableEntry prev = newTable[index];
+
+ newTable[index] = insert;
+ insert.setNextPlain(prev);
+ }
+ }
+
+ if (newCapacity == MAXIMUM_CAPACITY) {
+ this.threshold = -1; /* No more resizing */
+ } else {
+ this.threshold = getTargetCapacity(newCapacity, this.loadFactor);
+ }
+ this.setTableRelease(newTable); /* use release to publish entries in table */
+ }
+
+ protected final int addToSize(final int num) {
+ final int newSize = this.getSizePlain() + num;
+
+ this.setSizeOpaque(newSize);
+ this.checkResize(newSize);
+
+ return newSize;
+ }
+
+ protected final int removeFromSize(final int num) {
+ final int newSize = this.getSizePlain() - num;
+
+ this.setSizeOpaque(newSize);
+
+ return newSize;
+ }
+
+ protected final int put(final int key, final int value, final boolean onlyIfAbsent) {
+ final TableEntry[] table = this.getTablePlain();
+ final int hash = SWMRInt2IntHashTable.getHash(key);
+ final int index = hash & (table.length - 1);
+
+ final TableEntry head = table[index];
+ if (head == null) {
+ final TableEntry insert = new TableEntry(key, value);
+ ArrayUtil.setRelease(table, index, insert);
+ this.addToSize(1);
+ return 0;
+ }
+
+ for (TableEntry curr = head;;) {
+ if (key == curr.key) {
+ if (onlyIfAbsent) {
+ return curr.getValuePlain();
+ }
+
+ final int currVal = curr.getValuePlain();
+ curr.setValueRelease(value);
+ return currVal;
+ }
+
+ final TableEntry next = curr.getNextPlain();
+ if (next != null) {
+ curr = next;
+ continue;
+ }
+
+ final TableEntry insert = new TableEntry(key, value);
+
+ curr.setNextRelease(insert);
+ this.addToSize(1);
+ return 0;
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public int put(final int key, final int value) {
+ return this.put(key, value, false);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public int putIfAbsent(final int key, final int value) {
+ return this.put(key, value, true);
+ }
+
+ protected final int remove(final int key, final int hash) {
+ final TableEntry[] table = this.getTablePlain();
+ final int index = (table.length - 1) & hash;
+
+ final TableEntry head = table[index];
+ if (head == null) {
+ return 0;
+ }
+
+ if (head.key == key) {
+ ArrayUtil.setRelease(table, index, head.getNextPlain());
+ this.removeFromSize(1);
+
+ return head.getValuePlain();
+ }
+
+ for (TableEntry curr = head.getNextPlain(), prev = head; curr != null; prev = curr, curr = curr.getNextPlain()) {
+ if (key == curr.key) {
+ prev.setNextRelease(curr.getNextPlain());
+ this.removeFromSize(1);
+
+ return curr.getValuePlain();
+ }
+ }
+
+ return 0;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public int remove(final int key) {
+ return this.remove(key, SWMRInt2IntHashTable.getHash(key));
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public void putAll(final SWMRInt2IntHashTable map) {
+ Validate.notNull(map, "Null map");
+
+ final int size = map.size();
+ this.checkResize(Math.max(this.getSizePlain() + size/2, size)); /* preemptively resize */
+ map.forEach(this::put);
+ }
+
+ /**
+ * {@inheritDoc}
+ * <p>
+ * This call is non-atomic and the order that which entries are removed is undefined. The clear operation itself
+ * is release ordered, that is, after the clear operation is performed a release fence is performed.
+ * </p>
+ */
+ public void clear() {
+ Arrays.fill(this.getTablePlain(), null);
+ this.setSizeRelease(0);
+ }
+
+ public static final class TableEntry {
+
+ protected final int key;
+ protected int value;
+
+ protected TableEntry next;
+
+ protected static final VarHandle VALUE_HANDLE = ConcurrentUtil.getVarHandle(TableEntry.class, "value", Object.class);
+ protected static final VarHandle NEXT_HANDLE = ConcurrentUtil.getVarHandle(TableEntry.class, "next", TableEntry.class);
+
+ /* value */
+
+ protected final int getValuePlain() {
+ //noinspection unchecked
+ return (int)VALUE_HANDLE.get(this);
+ }
+
+ protected final int getValueAcquire() {
+ //noinspection unchecked
+ return (int)VALUE_HANDLE.getAcquire(this);
+ }
+
+ protected final void setValueRelease(final int to) {
+ VALUE_HANDLE.setRelease(this, to);
+ }
+
+ /* next */
+
+ protected final TableEntry getNextPlain() {
+ //noinspection unchecked
+ return (TableEntry)NEXT_HANDLE.get(this);
+ }
+
+ protected final TableEntry getNextOpaque() {
+ //noinspection unchecked
+ return (TableEntry)NEXT_HANDLE.getOpaque(this);
+ }
+
+ protected final void setNextPlain(final TableEntry next) {
+ NEXT_HANDLE.set(this, next);
+ }
+
+ protected final void setNextRelease(final TableEntry next) {
+ NEXT_HANDLE.setRelease(this, next);
+ }
+
+ protected TableEntry(final int key, final int value) {
+ this.key = key;
+ this.value = value;
+ }
+
+ public int getKey() {
+ return this.key;
+ }
+
+ public int getValue() {
+ return this.getValueAcquire();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public int setValue(final int value) {
+ final int curr = this.getValuePlain();
+
+ this.setValueRelease(value);
+ return curr;
+ }
+
+ protected static int hash(final int key, final int value) {
+ return SWMRInt2IntHashTable.getHash(key) ^ SWMRInt2IntHashTable.getHash(value);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int hashCode() {
+ return hash(this.key, this.getValueAcquire());
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+
+ if (!(obj instanceof TableEntry)) {
+ return false;
+ }
+ final TableEntry other = (TableEntry)obj;
+ final int otherKey = other.getKey();
+ final int thisKey = this.getKey();
+ final int otherValue = other.getValueAcquire();
+ final int thisVal = this.getValueAcquire();
+ return (thisKey == otherKey) && (thisVal == otherValue);
+ }
+ }
+
+}
diff --git a/src/main/java/ca/spottedleaf/concurrentutil/map/SWMRLong2ObjectHashTable.java b/src/main/java/ca/spottedleaf/concurrentutil/map/SWMRLong2ObjectHashTable.java
index 94fca3c9b31ca4e40688209e419e93320b0f7c34..fea1244ee156e0f562f295f31e3da288774d2f5c 100644
--- a/src/main/java/ca/spottedleaf/concurrentutil/map/SWMRLong2ObjectHashTable.java
+++ b/src/main/java/ca/spottedleaf/concurrentutil/map/SWMRLong2ObjectHashTable.java
@@ -534,6 +534,44 @@ public class SWMRLong2ObjectHashTable<V> {
return null;
}
+ protected final V remove(final long key, final int hash, final V expect) {
+ final TableEntry<V>[] table = this.getTablePlain();
+ final int index = (table.length - 1) & hash;
+
+ final TableEntry<V> head = table[index];
+ if (head == null) {
+ return null;
+ }
+
+ if (head.key == key) {
+ final V val = head.value;
+ if (val == expect || val.equals(expect)) {
+ ArrayUtil.setRelease(table, index, head.getNextPlain());
+ this.removeFromSize(1);
+
+ return head.getValuePlain();
+ } else {
+ return null;
+ }
+ }
+
+ for (TableEntry<V> curr = head.getNextPlain(), prev = head; curr != null; prev = curr, curr = curr.getNextPlain()) {
+ if (key == curr.key) {
+ final V val = curr.value;
+ if (val == expect || val.equals(expect)) {
+ prev.setNextRelease(curr.getNextPlain());
+ this.removeFromSize(1);
+
+ return curr.getValuePlain();
+ } else {
+ return null;
+ }
+ }
+ }
+
+ return null;
+ }
+
/**
* {@inheritDoc}
*/
@@ -541,6 +579,10 @@ public class SWMRLong2ObjectHashTable<V> {
return this.remove(key, SWMRLong2ObjectHashTable.getHash(key));
}
+ public boolean remove(final long key, final V expect) {
+ return this.remove(key, SWMRLong2ObjectHashTable.getHash(key), expect) != null;
+ }
+
/**
* {@inheritDoc}
*/
diff --git a/src/main/java/ca/spottedleaf/concurrentutil/scheduler/SchedulerThreadPool.java b/src/main/java/ca/spottedleaf/concurrentutil/scheduler/SchedulerThreadPool.java
new file mode 100644
index 0000000000000000000000000000000000000000..0ce825d7af2a1dbeac5c22640534ee1901edce20
--- /dev/null
+++ b/src/main/java/ca/spottedleaf/concurrentutil/scheduler/SchedulerThreadPool.java
@@ -0,0 +1,543 @@
+package ca.spottedleaf.concurrentutil.scheduler;
+
+import ca.spottedleaf.concurrentutil.util.ConcurrentUtil;
+import ca.spottedleaf.concurrentutil.util.TimeUtil;
+import com.mojang.logging.LogUtils;
+import io.papermc.paper.util.TraceUtil;
+import io.papermc.paper.util.set.LinkedSortedSet;
+import org.slf4j.Logger;
+import java.lang.invoke.VarHandle;
+import java.util.BitSet;
+import java.util.Comparator;
+import java.util.PriorityQueue;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.locks.LockSupport;
+import java.util.function.BooleanSupplier;
+
+public class SchedulerThreadPool {
+
+ private static final Logger LOGGER = LogUtils.getLogger();
+
+ public static final long DEADLINE_NOT_SET = Long.MIN_VALUE;
+
+ private static final Comparator<SchedulableTick> TICK_COMPARATOR_BY_TIME = (final SchedulableTick t1, final SchedulableTick t2) -> {
+ final int timeCompare = TimeUtil.compareTimes(t1.scheduledStart, t2.scheduledStart);
+ if (timeCompare != 0) {
+ return timeCompare;
+ }
+
+ return Long.compare(t1.id, t2.id);
+ };
+
+ private final TickThreadRunner[] runners;
+ private final Thread[] threads;
+ private final LinkedSortedSet<SchedulableTick> awaiting = new LinkedSortedSet<>(TICK_COMPARATOR_BY_TIME);
+ private final PriorityQueue<SchedulableTick> queued = new PriorityQueue<>(TICK_COMPARATOR_BY_TIME);
+ private final BitSet idleThreads;
+
+ private final Object scheduleLock = new Object();
+
+ private volatile boolean halted;
+
+ public SchedulerThreadPool(final int threads, final ThreadFactory threadFactory) {
+ final BitSet idleThreads = new BitSet(threads);
+ for (int i = 0; i < threads; ++i) {
+ idleThreads.set(i);
+ }
+ this.idleThreads = idleThreads;
+
+ final TickThreadRunner[] runners = new TickThreadRunner[threads];
+ final Thread[] t = new Thread[threads];
+ for (int i = 0; i < threads; ++i) {
+ runners[i] = new TickThreadRunner(i, this);
+ t[i] = threadFactory.newThread(runners[i]);
+ }
+
+ this.threads = t;
+ this.runners = runners;
+ }
+
+ /**
+ * Starts the threads in this pool.
+ */
+ public void start() {
+ for (final Thread thread : this.threads) {
+ thread.start();
+ }
+ }
+
+ /**
+ * Attempts to prevent further execution of tasks, optionally waiting for the scheduler threads to die.
+ *
+ * @param sync Whether to wait for the scheduler threads to die.
+ * @param maxWaitNS The maximum time, in ns, to wait for the scheduler threads to die.
+ * @return {@code true} if sync was false, or if sync was true and the scheduler threads died before the timeout.
+ * Otherwise, returns {@code false} if the time elapsed exceeded the maximum wait time.
+ */
+ public boolean halt(final boolean sync, final long maxWaitNS) {
+ this.halted = true;
+ for (final Thread thread : this.threads) {
+ // force response to halt
+ LockSupport.unpark(thread);
+ }
+ final long time = System.nanoTime();
+ if (sync) {
+ // start at 10 * 0.5ms -> 5ms
+ for (long failures = 9L;; failures = ConcurrentUtil.linearLongBackoff(failures, 500_000L, 50_000_000L)) {
+ boolean allDead = true;
+ for (final Thread thread : this.threads) {
+ if (thread.isAlive()) {
+ allDead = false;
+ break;
+ }
+ }
+ if (allDead) {
+ return true;
+ }
+ if ((System.nanoTime() - time) >= maxWaitNS) {
+ return false;
+ }
+ }
+ }
+
+ return true;
+ }
+
+ public void dumpAliveThreadTraces(final String reason) {
+ for (final Thread thread : this.threads) {
+ if (thread.isAlive()) {
+ TraceUtil.dumpTraceForThread(thread, reason);
+ }
+ }
+ }
+
+ /**
+ * Returns an array of the underlying scheduling threads.
+ */
+ public Thread[] getThreads() {
+ return this.threads.clone();
+ }
+
+ private void insertFresh(final SchedulableTick task) {
+ final TickThreadRunner[] runners = this.runners;
+
+ final int firstIdleThread = this.idleThreads.nextSetBit(0);
+
+ if (firstIdleThread != -1) {
+ // push to idle thread
+ this.idleThreads.clear(firstIdleThread);
+ final TickThreadRunner runner = runners[firstIdleThread];
+ task.awaitingLink = this.awaiting.addLast(task);
+ runner.acceptTask(task);
+ return;
+ }
+
+ // try to replace the last awaiting task
+ final SchedulableTick last = this.awaiting.last();
+
+ if (last != null && TICK_COMPARATOR_BY_TIME.compare(task, last) < 0) {
+ // need to replace the last task
+ this.awaiting.pollLast();
+ last.awaitingLink = null;
+ task.awaitingLink = this.awaiting.addLast(task);
+ // need to add task to queue to be picked up later
+ this.queued.add(last);
+
+ final TickThreadRunner runner = last.ownedBy;
+ runner.replaceTask(task);
+
+ return;
+ }
+
+ // add to queue, will be picked up later
+ this.queued.add(task);
+ }
+
+ private void takeTask(final TickThreadRunner runner, final SchedulableTick tick) {
+ if (!this.awaiting.remove(tick.awaitingLink)) {
+ throw new IllegalStateException("Task is not in awaiting");
+ }
+ tick.awaitingLink = null;
+ }
+
+ private SchedulableTick returnTask(final TickThreadRunner runner, final SchedulableTick reschedule) {
+ if (reschedule != null) {
+ this.queued.add(reschedule);
+ }
+ final SchedulableTick ret = this.queued.poll();
+ if (ret == null) {
+ this.idleThreads.set(runner.id);
+ } else {
+ ret.awaitingLink = this.awaiting.addLast(ret);
+ }
+
+ return ret;
+ }
+
+ public void schedule(final SchedulableTick task) {
+ synchronized (this.scheduleLock) {
+ if (!task.tryMarkScheduled()) {
+ throw new IllegalStateException("Task " + task + " is already scheduled or cancelled");
+ }
+
+ task.schedulerOwnedBy = this;
+
+ this.insertFresh(task);
+ }
+ }
+
+ public boolean updateTickStartToMax(final SchedulableTick task, final long newStart) {
+ synchronized (this.scheduleLock) {
+ if (TimeUtil.compareTimes(newStart, task.getScheduledStart()) <= 0) {
+ return false;
+ }
+ if (this.queued.remove(task)) {
+ task.setScheduledStart(newStart);
+ this.queued.add(task);
+ return true;
+ }
+ if (task.awaitingLink != null) {
+ this.awaiting.remove(task.awaitingLink);
+ task.awaitingLink = null;
+
+ // re-queue task
+ task.setScheduledStart(newStart);
+ this.queued.add(task);
+
+ // now we need to replace the task the runner was waiting for
+ final TickThreadRunner runner = task.ownedBy;
+ final SchedulableTick replace = this.queued.poll();
+
+ // replace cannot be null, since we have added a task to queued
+ if (replace != task) {
+ runner.replaceTask(replace);
+ }
+
+ return true;
+ }
+
+ return false;
+ }
+ }
+
+ /**
+ * Returns {@code null} if the task is not scheduled, returns {@code TRUE} if the task was cancelled
+ * and was queued to execute, returns {@code FALSE} if the task was cancelled but was executing.
+ */
+ public Boolean tryRetire(final SchedulableTick task) {
+ if (task.schedulerOwnedBy != this) {
+ return null;
+ }
+
+ synchronized (this.scheduleLock) {
+ if (this.queued.remove(task)) {
+ // cancelled, and no runner owns it - so return
+ return Boolean.TRUE;
+ }
+ if (task.awaitingLink != null) {
+ this.awaiting.remove(task.awaitingLink);
+ task.awaitingLink = null;
+ // here we need to replace the task the runner was waiting for
+ final TickThreadRunner runner = task.ownedBy;
+ final SchedulableTick replace = this.queued.poll();
+
+ if (replace == null) {
+ // nothing to replace with, set to idle
+ this.idleThreads.set(runner.id);
+ runner.forceIdle();
+ } else {
+ runner.replaceTask(replace);
+ }
+
+ return Boolean.TRUE;
+ }
+
+ // could not find it in queue
+ return task.tryMarkCancelled() ? Boolean.FALSE : null;
+ }
+ }
+
+ public void notifyTasks(final SchedulableTick task) {
+ // Not implemented
+ }
+
+ /**
+ * Represents a tickable task that can be scheduled into a {@link SchedulerThreadPool}.
+ * <p>
+ * A tickable task is expected to run on a fixed interval, which is determined by
+ * the {@link SchedulerThreadPool}.
+ * </p>
+ * <p>
+ * A tickable task can have intermediate tasks that can be executed before its tick method is ran. Instead of
+ * the {@link SchedulerThreadPool} parking in-between ticks, the scheduler will instead drain
+ * intermediate tasks from scheduled tasks. The parsing of intermediate tasks allows the scheduler to take
+ * advantage of downtime to reduce the intermediate task load from tasks once they begin ticking.
+ * </p>
+ * <p>
+ * It is guaranteed that {@link #runTick()} and {@link #runTasks(BooleanSupplier)} are never
+ * invoked in parallel.
+ * It is required that when intermediate tasks are scheduled, that {@link SchedulerThreadPool#notifyTasks(SchedulableTick)}
+ * is invoked for any scheduled task - otherwise, {@link #runTasks(BooleanSupplier)} may not be invoked to
+ * parse intermediate tasks.
+ * </p>
+ */
+ public static abstract class SchedulableTick {
+ private static final AtomicLong ID_GENERATOR = new AtomicLong();
+ public final long id = ID_GENERATOR.getAndIncrement();
+
+ private static final int SCHEDULE_STATE_NOT_SCHEDULED = 0;
+ private static final int SCHEDULE_STATE_SCHEDULED = 1;
+ private static final int SCHEDULE_STATE_CANCELLED = 2;
+
+ private final AtomicInteger scheduled = new AtomicInteger();
+ private SchedulerThreadPool schedulerOwnedBy;
+ private long scheduledStart = DEADLINE_NOT_SET;
+ private TickThreadRunner ownedBy;
+
+ private LinkedSortedSet.Link<SchedulableTick> awaitingLink;
+
+ private boolean tryMarkScheduled() {
+ return this.scheduled.compareAndSet(SCHEDULE_STATE_NOT_SCHEDULED, SCHEDULE_STATE_SCHEDULED);
+ }
+
+ private boolean tryMarkCancelled() {
+ return this.scheduled.compareAndSet(SCHEDULE_STATE_SCHEDULED, SCHEDULE_STATE_CANCELLED);
+ }
+
+ private boolean isScheduled() {
+ return this.scheduled.get() == SCHEDULE_STATE_SCHEDULED;
+ }
+
+ protected final long getScheduledStart() {
+ return this.scheduledStart;
+ }
+
+ /**
+ * If this task is scheduled, then this may only be invoked during {@link #runTick()},
+ * and {@link #runTasks(BooleanSupplier)}
+ */
+ protected final void setScheduledStart(final long value) {
+ this.scheduledStart = value;
+ }
+
+ /**
+ * Executes the tick.
+ * <p>
+ * It is the callee's responsibility to invoke {@link #setScheduledStart(long)} to adjust the start of
+ * the next tick.
+ * </p>
+ * @return {@code true} if the task should continue to be scheduled, {@code false} otherwise.
+ */
+ public abstract boolean runTick();
+
+ /**
+ * Returns whether this task has any intermediate tasks that can be executed.
+ */
+ public abstract boolean hasTasks();
+
+ /**
+ * Returns {@code null} if this task should not be scheduled, otherwise returns
+ * {@code Boolean.TRUE} if there are more intermediate tasks to execute and
+ * {@code Boolean.FALSE} if there are no more intermediate tasks to execute.
+ */
+ public abstract Boolean runTasks(final BooleanSupplier canContinue);
+
+ @Override
+ public String toString() {
+ return "SchedulableTick:{" +
+ "class=" + this.getClass().getName() + "," +
+ "scheduled_state=" + this.scheduled.get() + ","
+ + "}";
+ }
+ }
+
+ private static final class TickThreadRunner implements Runnable {
+
+ /**
+ * There are no tasks in this thread's runqueue, so it is parked.
+ * <p>
+ * stateTarget = null
+ * </p>
+ */
+ private static final int STATE_IDLE = 0;
+
+ /**
+ * The runner is waiting to tick a task, as it has no intermediate tasks to execute.
+ * <p>
+ * stateTarget = the task awaiting tick
+ * </p>
+ */
+ private static final int STATE_AWAITING_TICK = 1;
+
+ /**
+ * The runner is executing a tick for one of the tasks that was in its runqueue.
+ * <p>
+ * stateTarget = the task being ticked
+ * </p>
+ */
+ private static final int STATE_EXECUTING_TICK = 2;
+
+ public final int id;
+ public final SchedulerThreadPool scheduler;
+
+ private volatile Thread thread;
+ private volatile TickThreadRunnerState state = new TickThreadRunnerState(null, STATE_IDLE);
+ private static final VarHandle STATE_HANDLE = ConcurrentUtil.getVarHandle(TickThreadRunner.class, "state", TickThreadRunnerState.class);
+
+ private void setStatePlain(final TickThreadRunnerState state) {
+ STATE_HANDLE.set(this, state);
+ }
+
+ private void setStateOpaque(final TickThreadRunnerState state) {
+ STATE_HANDLE.setOpaque(this, state);
+ }
+
+ private void setStateVolatile(final TickThreadRunnerState state) {
+ STATE_HANDLE.setVolatile(this, state);
+ }
+
+ private static record TickThreadRunnerState(SchedulableTick stateTarget, int state) {}
+
+ public TickThreadRunner(final int id, final SchedulerThreadPool scheduler) {
+ this.id = id;
+ this.scheduler = scheduler;
+ }
+
+ private Thread getRunnerThread() {
+ return this.thread;
+ }
+
+ private void acceptTask(final SchedulableTick task) {
+ if (task.ownedBy != null) {
+ throw new IllegalStateException("Already owned by another runner");
+ }
+ task.ownedBy = this;
+ final TickThreadRunnerState state = this.state;
+ if (state.state != STATE_IDLE) {
+ throw new IllegalStateException("Cannot accept task in state " + state);
+ }
+ this.setStateVolatile(new TickThreadRunnerState(task, STATE_AWAITING_TICK));
+ LockSupport.unpark(this.getRunnerThread());
+ }
+
+ private void replaceTask(final SchedulableTick task) {
+ final TickThreadRunnerState state = this.state;
+ if (state.state != STATE_AWAITING_TICK) {
+ throw new IllegalStateException("Cannot replace task in state " + state);
+ }
+ if (task.ownedBy != null) {
+ throw new IllegalStateException("Already owned by another runner");
+ }
+ task.ownedBy = this;
+
+ state.stateTarget.ownedBy = null;
+
+ this.setStateVolatile(new TickThreadRunnerState(task, STATE_AWAITING_TICK));
+ LockSupport.unpark(this.getRunnerThread());
+ }
+
+ private void forceIdle() {
+ final TickThreadRunnerState state = this.state;
+ if (state.state != STATE_AWAITING_TICK) {
+ throw new IllegalStateException("Cannot replace task in state " + state);
+ }
+ state.stateTarget.ownedBy = null;
+ this.setStateOpaque(new TickThreadRunnerState(null, STATE_IDLE));
+ // no need to unpark
+ }
+
+ private boolean takeTask(final TickThreadRunnerState state, final SchedulableTick task) {
+ synchronized (this.scheduler.scheduleLock) {
+ if (this.state != state) {
+ return false;
+ }
+ this.setStatePlain(new TickThreadRunnerState(task, STATE_EXECUTING_TICK));
+ this.scheduler.takeTask(this, task);
+ return true;
+ }
+ }
+
+ private void returnTask(final SchedulableTick task, final boolean reschedule) {
+ synchronized (this.scheduler.scheduleLock) {
+ task.ownedBy = null;
+
+ final SchedulableTick newWait = this.scheduler.returnTask(this, reschedule && task.isScheduled() ? task : null);
+ if (newWait == null) {
+ this.setStatePlain(new TickThreadRunnerState(null, STATE_IDLE));
+ } else {
+ if (newWait.ownedBy != null) {
+ throw new IllegalStateException("Already owned by another runner");
+ }
+ newWait.ownedBy = this;
+ this.setStatePlain(new TickThreadRunnerState(newWait, STATE_AWAITING_TICK));
+ }
+ }
+ }
+
+ @Override
+ public void run() {
+ this.thread = Thread.currentThread();
+
+ main_state_loop:
+ for (;;) {
+ final TickThreadRunnerState startState = this.state;
+ final int startStateType = startState.state;
+ final SchedulableTick startStateTask = startState.stateTarget;
+
+ if (this.scheduler.halted) {
+ return;
+ }
+
+ switch (startStateType) {
+ case STATE_IDLE: {
+ while (this.state.state == STATE_IDLE) {
+ LockSupport.park();
+ if (this.scheduler.halted) {
+ return;
+ }
+ }
+ continue main_state_loop;
+ }
+
+ case STATE_AWAITING_TICK: {
+ final long deadline = startStateTask.getScheduledStart();
+ for (;;) {
+ if (this.state != startState) {
+ continue main_state_loop;
+ }
+ final long diff = deadline - System.nanoTime();
+ if (diff <= 0L) {
+ break;
+ }
+ LockSupport.parkNanos(startState, diff);
+ if (this.scheduler.halted) {
+ return;
+ }
+ }
+
+ if (!this.takeTask(startState, startStateTask)) {
+ continue main_state_loop;
+ }
+
+ // TODO exception handling
+ final boolean reschedule = startStateTask.runTick();
+
+ this.returnTask(startStateTask, reschedule);
+
+ continue main_state_loop;
+ }
+
+ case STATE_EXECUTING_TICK: {
+ throw new IllegalStateException("Tick execution must be set by runner thread, not by any other thread");
+ }
+
+ default: {
+ throw new IllegalStateException("Unknown state: " + startState);
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/src/main/java/ca/spottedleaf/concurrentutil/util/TimeUtil.java b/src/main/java/ca/spottedleaf/concurrentutil/util/TimeUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..63688716244066581d5b505703576e3340e3baf3
--- /dev/null
+++ b/src/main/java/ca/spottedleaf/concurrentutil/util/TimeUtil.java
@@ -0,0 +1,60 @@
+package ca.spottedleaf.concurrentutil.util;
+
+public final class TimeUtil {
+
+ /*
+ * The comparator is not a valid comparator for every long value. To prove where it is valid, see below.
+ *
+ * For reflexivity, we have that x - x = 0. We then have that for any long value x that
+ * compareTimes(x, x) == 0, as expected.
+ *
+ * For symmetry, we have that x - y = -(y - x) except for when y - x = Long.MIN_VALUE.
+ * So, the difference between any times x and y must not be equal to Long.MIN_VALUE.
+ *
+ * As for the transitive relation, consider we have x,y such that x - y = a > 0 and z such that
+ * y - z = b > 0. Then, we will have that the x - z > 0 is equivalent to a + b > 0. For long values,
+ * this holds as long as a + b <= Long.MAX_VALUE.
+ *
+ * Also consider we have x, y such that x - y = a < 0 and z such that y - z = b < 0. Then, we will have
+ * that x - z < 0 is equivalent to a + b < 0. For long values, this holds as long as a + b >= -Long.MAX_VALUE.
+ *
+ * Thus, the comparator is only valid for timestamps such that abs(c - d) <= Long.MAX_VALUE for all timestamps
+ * c and d.
+ */
+
+ /**
+ * This function is appropriate to be used as a {@link java.util.Comparator} between two timestamps, which
+ * indicates whether the timestamps represented by t1, t2 that t1 is before, equal to, or after t2.
+ */
+ public static int compareTimes(final long t1, final long t2) {
+ final long diff = t1 - t2;
+
+ // HD, Section 2-7
+ return (int) ((diff >> 63) | (-diff >>> 63));
+ }
+
+ public static long getGreatestTime(final long t1, final long t2) {
+ final long diff = t1 - t2;
+ return diff < 0L ? t2 : t1;
+ }
+
+ public static long getLeastTime(final long t1, final long t2) {
+ final long diff = t1 - t2;
+ return diff > 0L ? t2 : t1;
+ }
+
+ public static long clampTime(final long value, final long min, final long max) {
+ final long diffMax = value - max;
+ final long diffMin = value - min;
+
+ if (diffMax > 0L) {
+ return max;
+ }
+ if (diffMin < 0L) {
+ return min;
+ }
+ return value;
+ }
+
+ private TimeUtil() {}
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/RedstoneWireTurbo.java b/src/main/java/com/destroystokyo/paper/util/RedstoneWireTurbo.java
index fa062e6543e8a0377e3d4715996955dba005ee80..6284262d8cc2a07ad43eb46c888ca647613c926a 100644
--- a/src/main/java/com/destroystokyo/paper/util/RedstoneWireTurbo.java
+++ b/src/main/java/com/destroystokyo/paper/util/RedstoneWireTurbo.java
@@ -833,14 +833,14 @@ public class RedstoneWireTurbo {
j = getMaxCurrentStrength(upd, j);
int l = 0;
- wire.shouldSignal = false;
+ io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData().shouldSignal = false; // Folia - region threading
// Unfortunately, World.isBlockIndirectlyGettingPowered is complicated,
// and I'm not ready to try to replicate even more functionality from
// elsewhere in Minecraft into this accelerator. So sadly, we must
// suffer the performance hit of this very expensive call. If there
// is consistency to what this call returns, we may be able to cache it.
final int k = worldIn.getBestNeighborSignal(upd.self);
- wire.shouldSignal = true;
+ io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData().shouldSignal = true; // Folia - region threading
// The variable 'k' holds the maximum redstone power value of any adjacent blocks.
// If 'k' has the highest level of all neighbors, then the power level of this
diff --git a/src/main/java/io/papermc/paper/adventure/ChatProcessor.java b/src/main/java/io/papermc/paper/adventure/ChatProcessor.java
index e4fd372a1d585887287253a02531cd192929377b..772e3a864e0e70288a1c010d8bbb809d34d16a41 100644
--- a/src/main/java/io/papermc/paper/adventure/ChatProcessor.java
+++ b/src/main/java/io/papermc/paper/adventure/ChatProcessor.java
@@ -100,7 +100,7 @@ public final class ChatProcessor {
final CraftPlayer player = this.player.getBukkitEntity();
final AsyncPlayerChatEvent ae = new AsyncPlayerChatEvent(this.async, player, this.craftbukkit$originalMessage, new LazyPlayerSet(this.server));
this.post(ae);
- if (listenersOnSyncEvent) {
+ if (false && listenersOnSyncEvent) { // Folia - region threading
final PlayerChatEvent se = new PlayerChatEvent(player, ae.getMessage(), ae.getFormat(), ae.getRecipients());
se.setCancelled(ae.isCancelled()); // propagate cancelled state
this.queueIfAsyncOrRunImmediately(new Waitable<Void>() {
@@ -180,7 +180,7 @@ public final class ChatProcessor {
ae.setCancelled(cancelled); // propagate cancelled state
this.post(ae);
final boolean listenersOnSyncEvent = canYouHearMe(ChatEvent.getHandlerList());
- if (listenersOnSyncEvent) {
+ if (false && listenersOnSyncEvent) { // Folia - region threading
this.queueIfAsyncOrRunImmediately(new Waitable<Void>() {
@Override
protected Void evaluate() {
diff --git a/src/main/java/io/papermc/paper/adventure/providers/ClickCallbackProviderImpl.java b/src/main/java/io/papermc/paper/adventure/providers/ClickCallbackProviderImpl.java
index 23432eea862c6df716d7726a32da3a0612a3fb77..f59e8bb72c5233f26a8a0d506ac64bb37fef97a5 100644
--- a/src/main/java/io/papermc/paper/adventure/providers/ClickCallbackProviderImpl.java
+++ b/src/main/java/io/papermc/paper/adventure/providers/ClickCallbackProviderImpl.java
@@ -23,35 +23,42 @@ public class ClickCallbackProviderImpl implements ClickCallback.Provider {
public static final class CallbackManager {
- private final Map<UUID, StoredCallback> callbacks = new HashMap<>();
- private final Queue<StoredCallback> queue = new ConcurrentLinkedQueue<>();
+ private final java.util.concurrent.ConcurrentHashMap<UUID, StoredCallback> callbacks = new java.util.concurrent.ConcurrentHashMap<>(); // Folia - region threading
+ // Folia - region threading
private CallbackManager() {
}
public UUID addCallback(final @NotNull ClickCallback<Audience> callback, final ClickCallback.@NotNull Options options) {
final UUID id = UUID.randomUUID();
- this.queue.add(new StoredCallback(callback, options, id));
+ final StoredCallback scb = new StoredCallback(callback, options, id); // Folia - region threading
+ this.callbacks.put(scb.id(), scb); // Folia - region threading
return id;
}
public void handleQueue(final int currentTick) {
// Evict expired entries
if (currentTick % 100 == 0) {
- this.callbacks.values().removeIf(callback -> !callback.valid());
+ this.callbacks.values().removeIf(StoredCallback::expired); // Folia - region threading - don't read uses field
}
- // Add entries from queue
- StoredCallback callback;
- while ((callback = this.queue.poll()) != null) {
- this.callbacks.put(callback.id(), callback);
- }
+ // Folia - region threading
}
public void runCallback(final @NotNull Audience audience, final UUID id) {
- final StoredCallback callback = this.callbacks.get(id);
- if (callback != null && callback.valid()) { //TODO Message if expired/invalid?
- callback.takeUse();
+ // Folia start - region threading
+ final StoredCallback[] use = new StoredCallback[1];
+ this.callbacks.computeIfPresent(id, (final UUID keyInMap, final StoredCallback value) -> {
+ if (!value.valid()) {
+ return null;
+ }
+ use[0] = value;
+ value.takeUse();
+ return value.valid() ? value : null;
+ });
+ final StoredCallback callback = use[0];
+ if (callback != null) { //TODO Message if expired/invalid?
+ // Folia end - region threading
callback.callback.accept(audience);
}
}
diff --git a/src/main/java/io/papermc/paper/chunk/system/ChunkSystem.java b/src/main/java/io/papermc/paper/chunk/system/ChunkSystem.java
index cbeaadaecf816070b3a37938c8e683180939afc4..f1991bbce762df848726d2f0b6f1d01765be9ba5 100644
--- a/src/main/java/io/papermc/paper/chunk/system/ChunkSystem.java
+++ b/src/main/java/io/papermc/paper/chunk/system/ChunkSystem.java
@@ -82,6 +82,9 @@ public final class ChunkSystem {
for (int index = 0, len = chunkMap.regionManagers.size(); index < len; ++index) {
chunkMap.regionManagers.get(index).addChunk(holder.getPos().x, holder.getPos().z);
}
+ // Folia start - threaded regions
+ level.regioniser.addChunk(holder.pos.x, holder.pos.z);
+ // Folia end - threaded regions
}
public static void onChunkHolderDelete(final ServerLevel level, final ChunkHolder holder) {
@@ -89,34 +92,39 @@ public final class ChunkSystem {
for (int index = 0, len = chunkMap.regionManagers.size(); index < len; ++index) {
chunkMap.regionManagers.get(index).removeChunk(holder.getPos().x, holder.getPos().z);
}
+ // Folia start - threaded regions
+ level.regioniser.removeChunk(holder.pos.x, holder.pos.z);
+ // Folia end - threaded regions
}
public static void onChunkBorder(final LevelChunk chunk, final ChunkHolder holder) {
chunk.playerChunk = holder;
chunk.chunkStatus = net.minecraft.server.level.FullChunkStatus.FULL;
+ chunk.level.getCurrentWorldData().addChunk(chunk); // Folia - region threading
}
public static void onChunkNotBorder(final LevelChunk chunk, final ChunkHolder holder) {
chunk.chunkStatus = net.minecraft.server.level.FullChunkStatus.INACCESSIBLE;
+ chunk.level.getCurrentWorldData().removeChunk(chunk); // Folia - region threading
}
public static void onChunkTicking(final LevelChunk chunk, final ChunkHolder holder) {
- chunk.level.getChunkSource().tickingChunks.add(chunk);
+ chunk.level.getCurrentWorldData().addTickingChunk(chunk); // Folia - region threading
chunk.chunkStatus = net.minecraft.server.level.FullChunkStatus.BLOCK_TICKING;
}
public static void onChunkNotTicking(final LevelChunk chunk, final ChunkHolder holder) {
- chunk.level.getChunkSource().tickingChunks.remove(chunk);
+ chunk.level.getCurrentWorldData().removeTickingChunk(chunk); // Folia - region threading
chunk.chunkStatus = net.minecraft.server.level.FullChunkStatus.FULL;
}
public static void onChunkEntityTicking(final LevelChunk chunk, final ChunkHolder holder) {
- chunk.level.getChunkSource().entityTickingChunks.add(chunk);
+ chunk.level.getCurrentWorldData().addEntityTickingChunk(chunk); // Folia - region threading
chunk.chunkStatus = net.minecraft.server.level.FullChunkStatus.ENTITY_TICKING;
}
public static void onChunkNotEntityTicking(final LevelChunk chunk, final ChunkHolder holder) {
- chunk.level.getChunkSource().entityTickingChunks.remove(chunk);
+ chunk.level.getCurrentWorldData().removeEntityTickingChunk(chunk); // Folia - region threading
chunk.chunkStatus = net.minecraft.server.level.FullChunkStatus.BLOCK_TICKING;
}
diff --git a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
index 1b090f1e79b996e52097afc49c1cec85936653e6..07abf5a326cc7aa8a449b74bd7ac8a43b98528c0 100644
--- a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
+++ b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
@@ -141,6 +141,7 @@ public class RegionizedPlayerChunkLoader {
public void updatePlayer(final ServerPlayer player) {
final PlayerChunkLoaderData loader = player.chunkLoader;
if (loader != null) {
+ player.serverLevel().chunkSource.chunkMap.getNearbyPlayers().tickPlayer(player); // Folia - region threading
loader.update();
}
}
@@ -154,7 +155,7 @@ public class RegionizedPlayerChunkLoader {
final PlayerChunkLoaderData loader = player.chunkLoader;
if (loader == null) {
- return;
+ throw new IllegalStateException("Player is already removed from player chunk loader"); // Folia - region threading
}
loader.remove();
@@ -233,7 +234,7 @@ public class RegionizedPlayerChunkLoader {
public void tick() {
TickThread.ensureTickThread("Cannot tick player chunk loader async");
long currTime = System.nanoTime();
- for (final ServerPlayer player : new java.util.ArrayList<>(this.world.players())) {
+ for (final ServerPlayer player : new java.util.ArrayList<>(this.world.getLocalPlayers())) { // Folia - region threding
final PlayerChunkLoaderData loader = player.chunkLoader;
if (loader == null || loader.world != this.world) {
// not our problem anymore
diff --git a/src/main/java/io/papermc/paper/chunk/system/entity/EntityLookup.java b/src/main/java/io/papermc/paper/chunk/system/entity/EntityLookup.java
index 15ee41452992714108efe53b708b5a4e1da7c1ff..5bef4f50082e56b89239cfd62dd7429926b71c09 100644
--- a/src/main/java/io/papermc/paper/chunk/system/entity/EntityLookup.java
+++ b/src/main/java/io/papermc/paper/chunk/system/entity/EntityLookup.java
@@ -191,7 +191,12 @@ public final class EntityLookup implements LevelEntityGetter<Entity> {
@Override
public Iterable<Entity> getAll() {
- return new ArrayIterable<>(this.accessibleEntities.getRawData(), 0, this.accessibleEntities.size());
+ // Folia start - region threading
+ synchronized (this.accessibleEntities) {
+ Entity[] iterate = java.util.Arrays.copyOf(this.accessibleEntities.getRawData(), this.accessibleEntities.size());
+ return new ArrayIterable<>(iterate, 0, iterate.length);
+ }
+ // Folia end - region threading
}
public Entity[] getAllCopy() {
@@ -277,7 +282,9 @@ public final class EntityLookup implements LevelEntityGetter<Entity> {
if (newVisibility.ordinal() > oldVisibility.ordinal()) {
// status upgrade
if (!oldVisibility.isAccessible() && newVisibility.isAccessible()) {
+ synchronized (this.accessibleEntities) { // Folia - region threading
this.accessibleEntities.add(entity);
+ } // Folia - region threading
EntityLookup.this.worldCallback.onTrackingStart(entity);
}
@@ -291,7 +298,9 @@ public final class EntityLookup implements LevelEntityGetter<Entity> {
}
if (oldVisibility.isAccessible() && !newVisibility.isAccessible()) {
+ synchronized (this.accessibleEntities) { // Folia - region threading
this.accessibleEntities.remove(entity);
+ } // Folia - region threading
EntityLookup.this.worldCallback.onTrackingEnd(entity);
}
}
@@ -434,6 +443,8 @@ public final class EntityLookup implements LevelEntityGetter<Entity> {
entity.setLevelCallback(new EntityCallback(entity));
+ this.world.getCurrentWorldData().addEntity(entity); // Folia - region threading
+
this.entityStatusChange(entity, slices, Visibility.HIDDEN, getEntityStatus(entity), false, !fromDisk, false);
return true;
@@ -450,6 +461,19 @@ public final class EntityLookup implements LevelEntityGetter<Entity> {
return slices == null || !slices.isPreventingStatusUpdates();
}
+ // Folia start - region threading
+ // only appropriate to use when in shutdown, as this performs no logic hooks to properly add to world
+ public boolean addEntityForShutdownTeleportComplete(final Entity entity) {
+ final BlockPos pos = entity.blockPosition();
+ final int sectionX = pos.getX() >> 4;
+ final int sectionY = Mth.clamp(pos.getY() >> 4, this.minSection, this.maxSection);
+ final int sectionZ = pos.getZ() >> 4;
+ final ChunkEntitySlices slices = this.getOrCreateChunk(sectionX, sectionZ);
+
+ return slices.addEntity(entity, sectionY);
+ }
+ // Folia end - region threading
+
private void removeEntity(final Entity entity) {
final int sectionX = entity.sectionX;
final int sectionY = entity.sectionY;
@@ -864,12 +888,18 @@ public final class EntityLookup implements LevelEntityGetter<Entity> {
@Override
public void onMove() {
final Entity entity = this.entity;
+ final io.papermc.paper.threadedregions.RegionizedWorldData regionData = entity.level().getCurrentWorldData(); // Folia - region threading
final Visibility oldVisibility = getEntityStatus(entity);
final ChunkEntitySlices newSlices = EntityLookup.this.moveEntity(this.entity);
if (newSlices == null) {
// no new section, so didn't change sections
return;
}
+ // Folia start - region threading
+ if (entity instanceof net.minecraft.server.level.ServerPlayer player) {
+ regionData.getNearbyPlayers().tickPlayer(player);
+ }
+ // Folia end - region threading
final Visibility newVisibility = getEntityStatus(entity);
EntityLookup.this.entityStatusChange(entity, newSlices, oldVisibility, newVisibility, true, false, false);
@@ -886,6 +916,9 @@ public final class EntityLookup implements LevelEntityGetter<Entity> {
EntityLookup.this.entityStatusChange(entity, null, tickingState, Visibility.HIDDEN, false, false, reason.shouldDestroy());
this.entity.setLevelCallback(NoOpCallback.INSTANCE);
+
+ // only AFTER full removal callbacks, so that thread checking will work. // Folia - region threading
+ EntityLookup.this.world.getCurrentWorldData().removeEntity(entity); // Folia - region threading
}
}
diff --git a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
index 6bc7c6f16a1649fc9e24e7cf90fca401e5bd4875..67bf841878eb8e3703782caeb16db4803d13f0d9 100644
--- a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
+++ b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
@@ -53,6 +53,14 @@ import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.locks.LockSupport;
import java.util.function.Predicate;
+// Folia start - region threading
+import io.papermc.paper.threadedregions.RegionizedServer;
+import io.papermc.paper.threadedregions.ThreadedRegionizer;
+import io.papermc.paper.threadedregions.TickRegionScheduler;
+import it.unimi.dsi.fastutil.longs.Long2ReferenceOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet;
+// Folia end - region threading
+
public final class ChunkHolderManager {
private static final Logger LOGGER = LogUtils.getClassLogger();
@@ -112,27 +120,83 @@ public final class ChunkHolderManager {
private final ChunkTaskScheduler taskScheduler;
private long currentTick;
- private final ArrayDeque<NewChunkHolder> pendingFullLoadUpdate = new ArrayDeque<>();
- private final ObjectRBTreeSet<NewChunkHolder> autoSaveQueue = new ObjectRBTreeSet<>((final NewChunkHolder c1, final NewChunkHolder c2) -> {
- if (c1 == c2) {
- return 0;
+ // Folia start - region threading
+ public static final class HolderManagerRegionData {
+ private final ArrayDeque<NewChunkHolder> pendingFullLoadUpdate = new ArrayDeque<>();
+ private final ObjectRBTreeSet<NewChunkHolder> autoSaveQueue = new ObjectRBTreeSet<>((final NewChunkHolder c1, final NewChunkHolder c2) -> {
+ if (c1 == c2) {
+ return 0;
+ }
+
+ final int saveTickCompare = Long.compare(c1.lastAutoSave, c2.lastAutoSave);
+
+ if (saveTickCompare != 0) {
+ return saveTickCompare;
+ }
+
+ final long coord1 = CoordinateUtils.getChunkKey(c1.chunkX, c1.chunkZ);
+ final long coord2 = CoordinateUtils.getChunkKey(c2.chunkX, c2.chunkZ);
+
+ if (coord1 == coord2) {
+ throw new IllegalStateException("Duplicate chunkholder in auto save queue");
+ }
+
+ return Long.compare(coord1, coord2);
+ });
+
+ public void merge(final HolderManagerRegionData into, final long tickOffset) {
+ // Order doesn't really matter for the pending full update...
+ into.pendingFullLoadUpdate.addAll(this.pendingFullLoadUpdate);
+
+ // We need to copy the set to iterate over, because modifying the field used in compareTo while iterating
+ // will destroy the result from compareTo (However, the set is not destroyed _after_ iteration because a constant
+ // addition to every entry will not affect compareTo).
+ for (final NewChunkHolder holder : new ArrayList<>(this.autoSaveQueue)) {
+ holder.lastAutoSave += tickOffset;
+ into.autoSaveQueue.add(holder);
+ }
}
- final int saveTickCompare = Long.compare(c1.lastAutoSave, c2.lastAutoSave);
+ public void split(final int chunkToRegionShift, final Long2ReferenceOpenHashMap<HolderManagerRegionData> regionToData,
+ final ReferenceOpenHashSet<HolderManagerRegionData> dataSet) {
+ for (final NewChunkHolder fullLoadUpdate : this.pendingFullLoadUpdate) {
+ final int regionCoordinateX = fullLoadUpdate.chunkX >> chunkToRegionShift;
+ final int regionCoordinateZ = fullLoadUpdate.chunkZ >> chunkToRegionShift;
+
+ final HolderManagerRegionData data = regionToData.get(CoordinateUtils.getChunkKey(regionCoordinateX, regionCoordinateZ));
+ if (data != null) {
+ data.pendingFullLoadUpdate.add(fullLoadUpdate);
+ } // else: fullLoadUpdate is an unloaded chunk holder
+ }
+
+ for (final NewChunkHolder autoSave : this.autoSaveQueue) {
+ final int regionCoordinateX = autoSave.chunkX >> chunkToRegionShift;
+ final int regionCoordinateZ = autoSave.chunkZ >> chunkToRegionShift;
- if (saveTickCompare != 0) {
- return saveTickCompare;
+ final HolderManagerRegionData data = regionToData.get(CoordinateUtils.getChunkKey(regionCoordinateX, regionCoordinateZ));
+ if (data != null) {
+ data.autoSaveQueue.add(autoSave);
+ } // else: autoSave is an unloaded chunk holder
+ }
}
+ }
- final long coord1 = CoordinateUtils.getChunkKey(c1.chunkX, c1.chunkZ);
- final long coord2 = CoordinateUtils.getChunkKey(c2.chunkX, c2.chunkZ);
+ private ChunkHolderManager.HolderManagerRegionData getCurrentRegionData() {
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ TickRegionScheduler.getCurrentRegion();
- if (coord1 == coord2) {
- throw new IllegalStateException("Duplicate chunkholder in auto save queue");
+ if (region == null) {
+ return null;
}
- return Long.compare(coord1, coord2);
- });
+ if (this.world != null && this.world != region.getData().world) {
+ throw new IllegalStateException("World check failed: expected world: " + this.world.getWorld().getKey() + ", region world: " + region.getData().world.getWorld().getKey());
+ }
+
+ return region.getData().getHolderManagerRegionData();
+ }
+ // Folia end - region threading
+
public ChunkHolderManager(final ServerLevel world, final ChunkTaskScheduler taskScheduler) {
this.world = world;
@@ -167,8 +231,13 @@ public final class ChunkHolderManager {
}
public void close(final boolean save, final boolean halt) {
+ // Folia start - region threading
+ this.close(save, halt, true, true, true);
+ }
+ public void close(final boolean save, final boolean halt, final boolean first, final boolean last, final boolean checkRegions) {
+ // Folia end - region threading
TickThread.ensureTickThread("Closing world off-main");
- if (halt) {
+ if (first && halt) { // Folia - region threading
LOGGER.info("Waiting 60s for chunk system to halt for world '" + this.world.getWorld().getName() + "'");
if (!this.taskScheduler.halt(true, TimeUnit.SECONDS.toNanos(60L))) {
LOGGER.warn("Failed to halt world generation/loading tasks for world '" + this.world.getWorld().getName() + "'");
@@ -178,9 +247,10 @@ public final class ChunkHolderManager {
}
if (save) {
- this.saveAllChunks(true, true, true);
+ this.saveAllChunksRegionised(true, true, true, first, last, checkRegions); // Folia - region threading
}
+ if (last) { // Folia - region threading
if (this.world.chunkDataControllerNew.hasTasks() || this.world.entityDataControllerNew.hasTasks() || this.world.poiDataControllerNew.hasTasks()) {
RegionFileIOThread.flush();
}
@@ -201,27 +271,34 @@ public final class ChunkHolderManager {
} catch (final IOException ex) {
LOGGER.error("Failed to close poi regionfile cache for world '" + this.world.getWorld().getName() + "'", ex);
}
+ } // Folia - region threading
}
void ensureInAutosave(final NewChunkHolder holder) {
- if (!this.autoSaveQueue.contains(holder)) {
- holder.lastAutoSave = MinecraftServer.currentTick;
- this.autoSaveQueue.add(holder);
+ // Folia start - region threading
+ final HolderManagerRegionData regionData = this.getCurrentRegionData();
+ if (!regionData.autoSaveQueue.contains(holder)) {
+ holder.lastAutoSave = RegionizedServer.getCurrentTick();
+ // Folia end - region threading
+ regionData.autoSaveQueue.add(holder);
}
}
public void autoSave() {
final List<NewChunkHolder> reschedule = new ArrayList<>();
- final long currentTick = MinecraftServer.currentTickLong;
+ final long currentTick = RegionizedServer.getCurrentTick(); // Folia - region threading
final long maxSaveTime = currentTick - this.world.paperConfig().chunks.autoSaveInterval.value();
- for (int autoSaved = 0; autoSaved < this.world.paperConfig().chunks.maxAutoSaveChunksPerTick && !this.autoSaveQueue.isEmpty();) {
- final NewChunkHolder holder = this.autoSaveQueue.first();
+ // Folia start - region threading
+ final HolderManagerRegionData regionData = this.getCurrentRegionData();
+ for (int autoSaved = 0; autoSaved < this.world.paperConfig().chunks.maxAutoSaveChunksPerTick && !regionData.autoSaveQueue.isEmpty();) {
+ // Folia end - region threading
+ final NewChunkHolder holder = regionData.autoSaveQueue.first();
if (holder.lastAutoSave > maxSaveTime) {
break;
}
- this.autoSaveQueue.remove(holder);
+ regionData.autoSaveQueue.remove(holder); // Folia - region threading
holder.lastAutoSave = currentTick;
if (holder.save(false, false) != null) {
@@ -235,15 +312,38 @@ public final class ChunkHolderManager {
for (final NewChunkHolder holder : reschedule) {
if (holder.getChunkStatus().isOrAfter(FullChunkStatus.FULL)) {
- this.autoSaveQueue.add(holder);
+ regionData.autoSaveQueue.add(holder); // Folia start - region threading
}
}
}
public void saveAllChunks(final boolean flush, final boolean shutdown, final boolean logProgress) {
- final List<NewChunkHolder> holders = this.getChunkHolders();
+ // Folia start - region threading
+ this.saveAllChunksRegionised(flush, shutdown, logProgress, true, true, true);
+ }
+ public void saveAllChunksRegionised(final boolean flush, final boolean shutdown, final boolean logProgress, final boolean first, final boolean last, final boolean checkRegion) {
+ final List<NewChunkHolder> holders = new java.util.ArrayList<>(this.chunkHolders.size() / 10);
+ // we could iterate through all chunk holders with thread checks, however for many regions the iteration cost alone
+ // will multiply. to avoid this, we can simply iterate through all owned sections
+ final int regionShift = this.world.getRegionChunkShift();
+ for (final LongIterator iterator = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegion().getOwnedSectionsUnsynchronised(); iterator.hasNext();) {
+ final long sectionKey = iterator.nextLong();
+ final int width = 1 << regionShift;
+ final int offsetX = CoordinateUtils.getChunkX(sectionKey) << regionShift;
+ final int offsetZ = CoordinateUtils.getChunkZ(sectionKey) << regionShift;
+
+ for (int dz = 0; dz < width; ++dz) {
+ for (int dx = 0; dx < width; ++dx) {
+ final NewChunkHolder holder = this.getChunkHolder(offsetX | dx, offsetZ | dz);
+ if (holder != null) {
+ holders.add(holder);
+ }
+ }
+ }
+ }
+ // Folia end - region threading
- if (logProgress) {
+ if (first && logProgress) { // Folia - region threading
LOGGER.info("Saving all chunkholders for world '" + this.world.getWorld().getName() + "'");
}
@@ -251,7 +351,7 @@ public final class ChunkHolderManager {
int saved = 0;
- long start = System.nanoTime();
+ final long start = System.nanoTime();
long lastLog = start;
boolean needsFlush = false;
final int flushInterval = 50;
@@ -262,6 +362,12 @@ public final class ChunkHolderManager {
for (int i = 0, len = holders.size(); i < len; ++i) {
final NewChunkHolder holder = holders.get(i);
+ // Folia start - region threading
+ if (!checkRegion && !TickThread.isTickThreadFor(this.world, holder.chunkX, holder.chunkZ)) {
+ // skip holders that would fail the thread check
+ continue;
+ }
+ // Folia end - region threading
try {
final NewChunkHolder.SaveStat saveStat = holder.save(shutdown, false);
if (saveStat != null) {
@@ -294,7 +400,7 @@ public final class ChunkHolderManager {
}
}
}
- if (flush) {
+ if (last && flush) { // Folia - region threading
RegionFileIOThread.flush();
if (this.world.paperConfig().chunks.flushRegionsOnSave) {
try {
@@ -707,6 +813,13 @@ public final class ChunkHolderManager {
}
public void tick() {
+ // Folia start - region threading
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ TickRegionScheduler.getCurrentRegion();
+ if (region == null) {
+ throw new IllegalStateException("Not running tick() while on a region");
+ }
+ // Folia end - region threading
final int sectionShift = this.world.getRegionChunkShift();
final Predicate<Ticket<?>> expireNow = (final Ticket<?> ticket) -> {
@@ -716,12 +829,12 @@ public final class ChunkHolderManager {
return --ticket.removeDelay <= 0L;
};
- for (final Iterator<RegionFileIOThread.ChunkCoordinate> iterator = this.sectionToChunkToExpireCount.keySet().iterator(); iterator.hasNext();) {
- final RegionFileIOThread.ChunkCoordinate section = iterator.next();
- final long sectionKey = section.key;
-
+ // Folia start - region threading
+ for (final LongIterator iterator = region.getOwnedSectionsUnsynchronised(); iterator.hasNext();) {
+ final long sectionKey = iterator.nextLong();
+ final RegionFileIOThread.ChunkCoordinate section = new RegionFileIOThread.ChunkCoordinate(sectionKey);
if (!this.sectionToChunkToExpireCount.containsKey(section)) {
- // removed concurrently
+ // Folia end - region threading
continue;
}
@@ -1024,19 +1137,51 @@ public final class ChunkHolderManager {
if (changedFullStatus.isEmpty()) {
return;
}
- if (!TickThread.isTickThread()) {
- this.taskScheduler.scheduleChunkTask(() -> {
- final ArrayDeque<NewChunkHolder> pendingFullLoadUpdate = ChunkHolderManager.this.pendingFullLoadUpdate;
- for (int i = 0, len = changedFullStatus.size(); i < len; ++i) {
- pendingFullLoadUpdate.add(changedFullStatus.get(i));
- }
- ChunkHolderManager.this.processPendingFullUpdate();
- }, PrioritisedExecutor.Priority.HIGHEST);
- } else {
- final ArrayDeque<NewChunkHolder> pendingFullLoadUpdate = this.pendingFullLoadUpdate;
- for (int i = 0, len = changedFullStatus.size(); i < len; ++i) {
- pendingFullLoadUpdate.add(changedFullStatus.get(i));
+ // Folia start - region threading
+ final Long2ObjectOpenHashMap<List<NewChunkHolder>> sectionToUpdates = new Long2ObjectOpenHashMap<>();
+ final List<NewChunkHolder> thisRegionHolders = new ArrayList<>();
+
+ final int regionShift = this.world.getRegionChunkShift();
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> thisRegion
+ = TickRegionScheduler.getCurrentRegion();
+
+ for (final NewChunkHolder holder : changedFullStatus) {
+ final int regionX = holder.chunkX >> regionShift;
+ final int regionZ = holder.chunkZ >> regionShift;
+ final long holderSectionKey = CoordinateUtils.getChunkKey(regionX, regionZ);
+
+ // region may be null
+ if (thisRegion != null && this.world.regioniser.getRegionAtUnsynchronised(holder.chunkX, holder.chunkZ) == thisRegion) {
+ thisRegionHolders.add(holder);
+ } else {
+ sectionToUpdates.computeIfAbsent(holderSectionKey, (final long keyInMap) -> {
+ return new ArrayList<>();
+ }).add(holder);
+ }
+ }
+ // Folia end - region threading
+
+ // Folia start - region threading
+ if (!thisRegionHolders.isEmpty()) {
+ thisRegion.getData().getHolderManagerRegionData().pendingFullLoadUpdate.addAll(thisRegionHolders);
+ }
+
+ if (!sectionToUpdates.isEmpty()) {
+ for (final Iterator<Long2ObjectMap.Entry<List<NewChunkHolder>>> iterator = sectionToUpdates.long2ObjectEntrySet().fastIterator();
+ iterator.hasNext();) {
+ final Long2ObjectMap.Entry<List<NewChunkHolder>> entry = iterator.next();
+ final long sectionKey = entry.getLongKey();
+
+ final int chunkX = CoordinateUtils.getChunkX(sectionKey) << regionShift;
+ final int chunkZ = CoordinateUtils.getChunkZ(sectionKey) << regionShift;
+
+ final List<NewChunkHolder> regionHolders = entry.getValue();
+ this.taskScheduler.scheduleChunkTaskEventually(chunkX, chunkZ, () -> { // Folia - region threading
+ ChunkHolderManager.this.getCurrentRegionData().pendingFullLoadUpdate.addAll(regionHolders);
+ ChunkHolderManager.this.processPendingFullUpdate();
+ }, PrioritisedExecutor.Priority.HIGHEST);
+ // Folia end - region threading
}
}
}
@@ -1044,8 +1189,9 @@ public final class ChunkHolderManager {
private void removeChunkHolder(final NewChunkHolder holder) {
holder.killed = true;
holder.vanillaChunkHolder.onChunkRemove();
- this.autoSaveQueue.remove(holder);
+ // Folia - region threading
ChunkSystem.onChunkHolderDelete(this.world, holder.vanillaChunkHolder);
+ this.getCurrentRegionData().autoSaveQueue.remove(holder); // Folia - region threading
synchronized (this.chunkHolders) {
this.chunkHolders.remove(CoordinateUtils.getChunkKey(holder.chunkX, holder.chunkZ));
}
@@ -1059,7 +1205,7 @@ public final class ChunkHolderManager {
throw new IllegalStateException("Cannot unload chunks recursively");
}
final int sectionShift = this.unloadQueue.coordinateShift; // sectionShift <= lock shift
- final List<ChunkQueue.SectionToUnload> unloadSectionsForRegion = this.unloadQueue.retrieveForAllRegions();
+ final List<ChunkQueue.SectionToUnload> unloadSectionsForRegion = this.unloadQueue.retrieveForCurrentRegion(); // Folia - threaded regions
int unloadCountTentative = 0;
for (final ChunkQueue.SectionToUnload sectionRef : unloadSectionsForRegion) {
final ChunkQueue.UnloadSection section
@@ -1372,7 +1518,13 @@ public final class ChunkHolderManager {
// only call on tick thread
protected final boolean processPendingFullUpdate() {
- final ArrayDeque<NewChunkHolder> pendingFullLoadUpdate = this.pendingFullLoadUpdate;
+ // Folia start - region threading
+ final HolderManagerRegionData data = this.getCurrentRegionData();
+ if (data == null) {
+ return false;
+ }
+ final ArrayDeque<NewChunkHolder> pendingFullLoadUpdate = data.pendingFullLoadUpdate;
+ // Folia end - region threading
boolean ret = false;
@@ -1383,9 +1535,7 @@ public final class ChunkHolderManager {
ret |= holder.handleFullStatusChange(changedFullStatus);
if (!changedFullStatus.isEmpty()) {
- for (int i = 0, len = changedFullStatus.size(); i < len; ++i) {
- pendingFullLoadUpdate.add(changedFullStatus.get(i));
- }
+ this.addChangedStatuses(changedFullStatus); // Folia - region threading
changedFullStatus.clear();
}
}
@@ -1399,7 +1549,7 @@ public final class ChunkHolderManager {
private JsonObject getDebugJsonNoLock() {
final JsonObject ret = new JsonObject();
- ret.addProperty("current_tick", Long.valueOf(this.currentTick));
+ // Folia - region threading - move down
final JsonArray unloadQueue = new JsonArray();
ret.add("unload_queue", unloadQueue);
diff --git a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkQueue.java b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkQueue.java
index 4cc1b3ba6d093a9683dbd8b7fe76106ae391e019..47bbd5de5849bef5392e3783322a19de5b351beb 100644
--- a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkQueue.java
+++ b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkQueue.java
@@ -1,5 +1,8 @@
package io.papermc.paper.chunk.system.scheduling;
+import io.papermc.paper.threadedregions.ThreadedRegionizer;
+import io.papermc.paper.threadedregions.TickRegionScheduler;
+import io.papermc.paper.threadedregions.TickRegions;
import it.unimi.dsi.fastutil.HashCommon;
import it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet;
import java.util.ArrayList;
@@ -45,6 +48,39 @@ public final class ChunkQueue {
return ret;
}
+ // Folia start - threaded regions
+ public List<SectionToUnload> retrieveForCurrentRegion() {
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ TickRegionScheduler.getCurrentRegion();
+ final ThreadedRegionizer<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> regionizer = region.regioniser;
+ final int shift = this.coordinateShift;
+
+ final List<SectionToUnload> ret = new ArrayList<>();
+
+ for (final Map.Entry<Coordinate, UnloadSection> entry : this.unloadSections.entrySet()) {
+ final Coordinate coord = entry.getKey();
+ final long key = coord.key;
+ final UnloadSection section = entry.getValue();
+ final int sectionX = Coordinate.x(key);
+ final int sectionZ = Coordinate.z(key);
+ final int chunkX = sectionX << shift;
+ final int chunkZ = sectionZ << shift;
+
+ if (regionizer.getRegionAtUnsynchronised(chunkX, chunkZ) != region) {
+ continue;
+ }
+
+ ret.add(new SectionToUnload(sectionX, sectionZ, coord, section.order, section.chunks.size()));
+ }
+
+ ret.sort((final SectionToUnload s1, final SectionToUnload s2) -> {
+ return Long.compare(s1.order, s2.order);
+ });
+
+ return ret;
+ }
+ // Folia end - threaded regions
+
public UnloadSection getSectionUnsynchronized(final int sectionX, final int sectionZ) {
final Coordinate coordinate = new Coordinate(Coordinate.key(sectionX, sectionZ));
return this.unloadSections.get(coordinate);
diff --git a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkTaskScheduler.java b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkTaskScheduler.java
index 17ce14f2dcbf900890efbc2351782bc6f8867068..92f37abe3eb7ad85fd60d3c80acf77dc575b26ea 100644
--- a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkTaskScheduler.java
+++ b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkTaskScheduler.java
@@ -115,7 +115,7 @@ public final class ChunkTaskScheduler {
private final PrioritisedThreadPool.PrioritisedPoolExecutor radiusAwareGenExecutor;
public final PrioritisedThreadPool.PrioritisedPoolExecutor loadExecutor;
- private final PrioritisedThreadedTaskQueue mainThreadExecutor = new PrioritisedThreadedTaskQueue();
+ // Folia - regionised ticking
public final ChunkHolderManager chunkHolderManager;
@@ -303,14 +303,13 @@ public final class ChunkTaskScheduler {
};
// this may not be good enough, specifically thanks to stupid ass plugins swallowing exceptions
- this.scheduleChunkTask(chunkX, chunkZ, crash, PrioritisedExecutor.Priority.BLOCKING);
+ this.scheduleChunkTaskEventually(chunkX, chunkZ, crash, PrioritisedExecutor.Priority.BLOCKING); // Folia - region threading
// so, make the main thread pick it up
MinecraftServer.chunkSystemCrash = new RuntimeException("Chunk system crash propagated from unrecoverableChunkSystemFailure", reportedException);
}
public boolean executeMainThreadTask() {
- TickThread.ensureTickThread("Cannot execute main thread task off-main");
- return this.mainThreadExecutor.executeTask();
+ throw new UnsupportedOperationException("Use regionised ticking hooks"); // Folia - regionised ticking
}
public void raisePriority(final int x, final int z, final PrioritisedExecutor.Priority priority) {
@@ -330,7 +329,7 @@ public final class ChunkTaskScheduler {
public void scheduleTickingState(final int chunkX, final int chunkZ, final FullChunkStatus toStatus,
final boolean addTicket, final PrioritisedExecutor.Priority priority,
final Consumer<LevelChunk> onComplete) {
- if (!TickThread.isTickThread()) {
+ if (!TickThread.isTickThreadFor(this.world, chunkX, chunkZ)) {
this.scheduleChunkTask(chunkX, chunkZ, () -> {
ChunkTaskScheduler.this.scheduleTickingState(chunkX, chunkZ, toStatus, addTicket, priority, onComplete);
}, priority);
@@ -486,7 +485,7 @@ public final class ChunkTaskScheduler {
public void scheduleChunkLoad(final int chunkX, final int chunkZ, final ChunkStatus toStatus, final boolean addTicket,
final PrioritisedExecutor.Priority priority, final Consumer<ChunkAccess> onComplete) {
- if (!TickThread.isTickThread()) {
+ if (!TickThread.isTickThreadFor(this.world, chunkX, chunkZ)) {
this.scheduleChunkTask(chunkX, chunkZ, () -> {
ChunkTaskScheduler.this.scheduleChunkLoad(chunkX, chunkZ, toStatus, addTicket, priority, onComplete);
}, priority);
@@ -514,7 +513,7 @@ public final class ChunkTaskScheduler {
this.chunkHolderManager.processTicketUpdates();
}
- final Consumer<ChunkAccess> loadCallback = (final ChunkAccess chunk) -> {
+ final Consumer<ChunkAccess> loadCallback = onComplete == null && !addTicket ? null : (final ChunkAccess chunk) -> {
try {
if (onComplete != null) {
onComplete.accept(chunk);
@@ -554,7 +553,9 @@ public final class ChunkTaskScheduler {
if (!chunkHolder.upgradeGenTarget(toStatus)) {
this.schedule(chunkX, chunkZ, toStatus, chunkHolder, tasks);
}
- chunkHolder.addStatusConsumer(toStatus, loadCallback);
+ if (loadCallback != null) {
+ chunkHolder.addStatusConsumer(toStatus, loadCallback);
+ }
}
}
} finally {
@@ -568,7 +569,7 @@ public final class ChunkTaskScheduler {
tasks.get(i).schedule();
}
- if (!scheduled) {
+ if (loadCallback != null && !scheduled) {
// couldn't schedule
try {
loadCallback.accept(chunk);
@@ -757,7 +758,7 @@ public final class ChunkTaskScheduler {
*/
@Deprecated
public PrioritisedExecutor.PrioritisedTask scheduleChunkTask(final Runnable run) {
- return this.scheduleChunkTask(run, PrioritisedExecutor.Priority.NORMAL);
+ throw new UnsupportedOperationException(); // Folia - regionised ticking
}
/**
@@ -765,7 +766,7 @@ public final class ChunkTaskScheduler {
*/
@Deprecated
public PrioritisedExecutor.PrioritisedTask scheduleChunkTask(final Runnable run, final PrioritisedExecutor.Priority priority) {
- return this.mainThreadExecutor.queueRunnable(run, priority);
+ throw new UnsupportedOperationException(); // Folia - regionised ticking
}
public PrioritisedExecutor.PrioritisedTask createChunkTask(final int chunkX, final int chunkZ, final Runnable run) {
@@ -774,28 +775,33 @@ public final class ChunkTaskScheduler {
public PrioritisedExecutor.PrioritisedTask createChunkTask(final int chunkX, final int chunkZ, final Runnable run,
final PrioritisedExecutor.Priority priority) {
- return this.mainThreadExecutor.createTask(run, priority);
+ return MinecraftServer.getServer().regionizedServer.taskQueue.createChunkTask(this.world, chunkX, chunkZ, run, priority); // Folia - regionised ticking
}
public PrioritisedExecutor.PrioritisedTask scheduleChunkTask(final int chunkX, final int chunkZ, final Runnable run) {
- return this.mainThreadExecutor.queueRunnable(run);
+ return this.scheduleChunkTask(chunkX, chunkZ, run, PrioritisedExecutor.Priority.NORMAL); // TODO rebase into chunk system patch
}
public PrioritisedExecutor.PrioritisedTask scheduleChunkTask(final int chunkX, final int chunkZ, final Runnable run,
final PrioritisedExecutor.Priority priority) {
- return this.mainThreadExecutor.queueRunnable(run, priority);
+ return MinecraftServer.getServer().regionizedServer.taskQueue.queueChunkTask(this.world, chunkX, chunkZ, run, priority); // Folia - regionised ticking
+ }
+
+ // Folia start - region threading
+ // this function is guaranteed to never touch the ticket lock or schedule lock
+ // yes, this IS a hack so that we can avoid deadlock due to region threading introducing the
+ // ticket lock in the schedule logic
+ public PrioritisedExecutor.PrioritisedTask scheduleChunkTaskEventually(final int chunkX, final int chunkZ, final Runnable run,
+ final PrioritisedExecutor.Priority priority) {
+ final PrioritisedExecutor.PrioritisedTask ret = this.createChunkTask(chunkX, chunkZ, run, priority);
+ this.world.taskQueueRegionData.pushGlobalChunkTask(() -> {
+ MinecraftServer.getServer().regionizedServer.taskQueue.queueChunkTask(ChunkTaskScheduler.this.world, chunkX, chunkZ, run, priority);
+ });
+ return ret;
}
+ // Folia end - region threading
- public void executeTasksUntil(final BooleanSupplier exit) {
- if (Bukkit.isPrimaryThread()) {
- this.mainThreadExecutor.executeConditionally(exit);
- } else {
- long counter = 1L;
- while (!exit.getAsBoolean()) {
- counter = ConcurrentUtil.linearLongBackoff(counter, 100_000L, 5_000_000L); // 100us, 5ms
- }
- }
- }
+ // Folia - regionised ticking
public boolean halt(final boolean sync, final long maxWaitNS) {
this.radiusAwareGenExecutor.halt();
@@ -803,6 +809,7 @@ public final class ChunkTaskScheduler {
this.loadExecutor.halt();
final long time = System.nanoTime();
if (sync) {
+ // start at 10 * 0.5ms -> 5ms
for (long failures = 9L;; failures = ConcurrentUtil.linearLongBackoff(failures, 500_000L, 50_000_000L)) {
if (
!this.radiusAwareGenExecutor.isActive() &&
diff --git a/src/main/java/io/papermc/paper/chunk/system/scheduling/NewChunkHolder.java b/src/main/java/io/papermc/paper/chunk/system/scheduling/NewChunkHolder.java
index b66a7d4aab887309579154815a0d4abf9de506b0..08075b8895f816420c2a940bf551dfada3c0cd9e 100644
--- a/src/main/java/io/papermc/paper/chunk/system/scheduling/NewChunkHolder.java
+++ b/src/main/java/io/papermc/paper/chunk/system/scheduling/NewChunkHolder.java
@@ -726,7 +726,7 @@ public final class NewChunkHolder {
boolean killed;
// must hold scheduling lock
- private void checkUnload() {
+ void checkUnload() { // Folia - region threading
if (this.killed) {
return;
}
@@ -1440,7 +1440,7 @@ public final class NewChunkHolder {
}
// must be scheduled to main, we do not trust the callback to not do anything stupid
- this.scheduler.scheduleChunkTask(this.chunkX, this.chunkZ, () -> {
+ this.scheduler.scheduleChunkTaskEventually(this.chunkX, this.chunkZ, () -> { // Folia - region threading
for (final Consumer<ChunkAccess> consumer : consumers) {
try {
consumer.accept(chunk);
@@ -1483,7 +1483,7 @@ public final class NewChunkHolder {
}
// must be scheduled to main, we do not trust the callback to not do anything stupid
- this.scheduler.scheduleChunkTask(this.chunkX, this.chunkZ, () -> {
+ this.scheduler.scheduleChunkTaskEventually(this.chunkX, this.chunkZ, () -> { // Folia - region threading
for (final Consumer<LevelChunk> consumer : consumers) {
try {
consumer.accept(chunk);
@@ -1744,7 +1744,7 @@ public final class NewChunkHolder {
return this.entityChunk;
}
- public long lastAutoSave;
+ public long lastAutoSave; // Folia - region threaded - change to relative delay
public static final record SaveStat(boolean savedChunk, boolean savedEntityChunk, boolean savedPoiChunk) {}
@@ -1894,7 +1894,7 @@ public final class NewChunkHolder {
} catch (final ThreadDeath death) {
throw death;
} catch (final Throwable thr) {
- LOGGER.error("Failed to save chunk data (" + this.chunkX + "," + this.chunkZ + ") in world '" + this.world.getWorld().getName() + "'");
+ LOGGER.error("Failed to save chunk data (" + this.chunkX + "," + this.chunkZ + ") in world '" + this.world.getWorld().getName() + "'", thr); // TODO rebase
if (unloading && !completing) {
this.completeAsyncChunkDataSave(null);
}
@@ -1942,7 +1942,7 @@ public final class NewChunkHolder {
} catch (final ThreadDeath death) {
throw death;
} catch (final Throwable thr) {
- LOGGER.error("Failed to save entity data (" + this.chunkX + "," + this.chunkZ + ") in world '" + this.world.getWorld().getName() + "'");
+ LOGGER.error("Failed to save entity data (" + this.chunkX + "," + this.chunkZ + ") in world '" + this.world.getWorld().getName() + "'", thr); // TODO rebase
}
return true;
@@ -1968,7 +1968,7 @@ public final class NewChunkHolder {
} catch (final ThreadDeath death) {
throw death;
} catch (final Throwable thr) {
- LOGGER.error("Failed to save poi data (" + this.chunkX + "," + this.chunkZ + ") in world '" + this.world.getWorld().getName() + "'");
+ LOGGER.error("Failed to save poi data (" + this.chunkX + "," + this.chunkZ + ") in world '" + this.world.getWorld().getName() + "'", thr); // TODO rebase
}
return true;
diff --git a/src/main/java/io/papermc/paper/command/PaperCommands.java b/src/main/java/io/papermc/paper/command/PaperCommands.java
index 7b58b2d6297800c2dcdbf7539e5ab8e7703f39f1..a587d83b78af4efc484f939529acf70834f60d7e 100644
--- a/src/main/java/io/papermc/paper/command/PaperCommands.java
+++ b/src/main/java/io/papermc/paper/command/PaperCommands.java
@@ -19,6 +19,7 @@ public final class PaperCommands {
COMMANDS.put("paper", new PaperCommand("paper"));
COMMANDS.put("callback", new CallbackCommand("callback"));
COMMANDS.put("mspt", new MSPTCommand("mspt"));
+ COMMANDS.put("tps", new io.papermc.paper.threadedregions.commands.CommandServerHealth()); // Folia - region threading
}
public static void registerCommands(final MinecraftServer server) {
diff --git a/src/main/java/io/papermc/paper/command/subcommands/EntityCommand.java b/src/main/java/io/papermc/paper/command/subcommands/EntityCommand.java
index 5e5a018433414af76eaa1e781f61612ddc305b07..2ad2e5d5cd78f67d5d4c0a5b337c521bfca39aa8 100644
--- a/src/main/java/io/papermc/paper/command/subcommands/EntityCommand.java
+++ b/src/main/java/io/papermc/paper/command/subcommands/EntityCommand.java
@@ -129,7 +129,7 @@ public final class EntityCommand implements PaperSubcommand {
final int z = (e.getKey().z << 4) + 8;
final Component message = text(" " + e.getValue() + ": " + e.getKey().x + ", " + e.getKey().z + (chunkProviderServer.isPositionTicking(e.getKey().toLong()) ? " (Ticking)" : " (Non-Ticking)"))
.hoverEvent(HoverEvent.showText(text("Click to teleport to chunk", GREEN)))
- .clickEvent(ClickEvent.clickEvent(ClickEvent.Action.RUN_COMMAND, "/minecraft:execute as @s in " + world.getWorld().getKey() + " run tp " + x + " " + (world.getWorld().getHighestBlockYAt(x, z, HeightMap.MOTION_BLOCKING) + 1) + " " + z));
+ .clickEvent(ClickEvent.clickEvent(ClickEvent.Action.RUN_COMMAND, "/minecraft:execute as @s in " + world.getWorld().getKey() + " run tp " + x + " " + (128) + " " + z)); // Folia - region threading - avoid sync load here
sender.sendMessage(message);
});
} else {
diff --git a/src/main/java/io/papermc/paper/command/subcommands/HeapDumpCommand.java b/src/main/java/io/papermc/paper/command/subcommands/HeapDumpCommand.java
index cd2e4d792e972b8bf1e07b8961594a670ae949cf..3ab8dbf2768a4ef8fb53af6f5431f7f6afe6d168 100644
--- a/src/main/java/io/papermc/paper/command/subcommands/HeapDumpCommand.java
+++ b/src/main/java/io/papermc/paper/command/subcommands/HeapDumpCommand.java
@@ -18,7 +18,9 @@ import static net.kyori.adventure.text.format.NamedTextColor.YELLOW;
public final class HeapDumpCommand implements PaperSubcommand {
@Override
public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
this.dumpHeap(sender);
+ }); // Folia - region threading
return true;
}
diff --git a/src/main/java/io/papermc/paper/command/subcommands/ReloadCommand.java b/src/main/java/io/papermc/paper/command/subcommands/ReloadCommand.java
index bd68139ae635f2ad7ec8e7a21e0056a139c4c62e..48a43341b17247355a531164019d5cc9c5555f26 100644
--- a/src/main/java/io/papermc/paper/command/subcommands/ReloadCommand.java
+++ b/src/main/java/io/papermc/paper/command/subcommands/ReloadCommand.java
@@ -16,7 +16,9 @@ import static net.kyori.adventure.text.format.NamedTextColor.RED;
public final class ReloadCommand implements PaperSubcommand {
@Override
public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
this.doReload(sender);
+ }); // Folia - region threading
return true;
}
diff --git a/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java b/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java
index f2e30d8743a97c0541808dc5c03300c0d881b843..6f44ba7d4f8a4b12c0d5792b1fd2f4b53cbd334d 100644
--- a/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java
+++ b/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java
@@ -344,4 +344,18 @@ public class GlobalConfiguration extends ConfigurationPart {
public boolean disableChorusPlantUpdates = false;
public boolean disableMushroomBlockUpdates = false;
}
+
+ // Folia start - threaded regions
+ public ThreadedRegions threadedRegions;
+ public class ThreadedRegions extends ConfigurationPart {
+
+ public int threads = -1;
+ public int gridExponent = 2;
+
+ @PostProcess
+ public void postProcess() {
+ io.papermc.paper.threadedregions.TickRegions.init(this);
+ }
+ }
+ // Folia end - threaded regions
}
diff --git a/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java b/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
index dc7950f9a52a718317e5f41de9d396cd7b846bf3..805080704cf5280c7d97e5e510c547c5e0d0f120 100644
--- a/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
+++ b/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
@@ -474,6 +474,14 @@ public class WorldConfiguration extends ConfigurationPart {
public Chunks chunks;
public class Chunks extends ConfigurationPart {
+
+ // Folia start - region threading - force prevent moving into unloaded chunks
+ @PostProcess
+ public void postProcess() {
+ this.preventMovingIntoUnloadedChunks = true;
+ }
+ // Folia end - region threading - force prevent moving into unloaded chunks
+
public AutosavePeriod autoSaveInterval = AutosavePeriod.def();
public int maxAutoSaveChunksPerTick = 24;
public int fixedChunkInhabitedTime = -1;
diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java
index eedbf46e04b5ae420f9bedcbc2bbb10643ba7e22..afc9c6e6e8bc4a4706474134dae5484459531226 100644
--- a/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java
+++ b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java
@@ -242,12 +242,7 @@ class PaperPluginInstanceManager {
+ pluginName + " (Is it up to date?)", ex, plugin); // Paper
}
- try {
- this.server.getScheduler().cancelTasks(plugin);
- } catch (Throwable ex) {
- this.handlePluginException("Error occurred (in the plugin loader) while cancelling tasks for "
- + pluginName + " (Is it up to date?)", ex, plugin); // Paper
- }
+ // Folia - region threading
// Paper start - Folia schedulers
try {
diff --git a/src/main/java/io/papermc/paper/threadedregions/RegionShutdownThread.java b/src/main/java/io/papermc/paper/threadedregions/RegionShutdownThread.java
new file mode 100644
index 0000000000000000000000000000000000000000..3f3fd8b1881106f893ffb677272e50d77cbb6626
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/RegionShutdownThread.java
@@ -0,0 +1,175 @@
+package io.papermc.paper.threadedregions;
+
+import com.mojang.logging.LogUtils;
+import io.papermc.paper.util.TickThread;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.level.ChunkPos;
+import org.slf4j.Logger;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+public final class RegionShutdownThread extends TickThread {
+
+ private static final Logger LOGGER = LogUtils.getClassLogger();
+
+ ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> shuttingDown;
+
+ public RegionShutdownThread(final String name) {
+ super(name);
+ this.setUncaughtExceptionHandler((thread, thr) -> {
+ LOGGER.error("Error shutting down server", thr);
+ });
+ }
+
+ static ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> getRegion() {
+ final Thread currentThread = Thread.currentThread();
+ if (currentThread instanceof RegionShutdownThread shutdownThread) {
+ return shutdownThread.shuttingDown;
+ }
+ return null;
+ }
+
+
+ static RegionizedWorldData getWorldData() {
+ final Thread currentThread = Thread.currentThread();
+ if (currentThread instanceof RegionShutdownThread shutdownThread) {
+ // no fast path for shutting down
+ if (shutdownThread.shuttingDown != null) {
+ return shutdownThread.shuttingDown.getData().world.worldRegionData.get();
+ }
+ }
+ return null;
+ }
+
+ // The region shutdown thread bypasses all tick thread checks, which will allow us to execute global saves
+ // it will not however let us perform arbitrary sync loads, arbitrary world state lookups simply because
+ // the data required to do that is regionised, and we can only access it when we OWN the region, and we do not.
+ // Thus, the only operation that the shutdown thread will perform
+
+ private void saveLevelData(final ServerLevel world) {
+ try {
+ world.saveLevelData(false);
+ } catch (final Throwable thr) {
+ LOGGER.error("Failed to save level data for " + world.getWorld().getName(), thr);
+ }
+ }
+
+ private void finishTeleportations(final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region,
+ final ServerLevel world) {
+ try {
+ this.shuttingDown = region;
+ final List<ServerLevel.PendingTeleport> pendingTeleports = world.removeAllRegionTeleports();
+ if (pendingTeleports.isEmpty()) {
+ return;
+ }
+ final ChunkPos center = region.getCenterChunk();
+ LOGGER.info("Completing " + pendingTeleports.size() + " pending teleports in region around chunk " + center + " in world '" + region.regioniser.world.getWorld().getName() + "'");
+ for (final ServerLevel.PendingTeleport pendingTeleport : pendingTeleports) {
+ LOGGER.info("Completing teleportation to target position " + pendingTeleport.to());
+
+ // first, add entities to entity chunk so that they will be saved
+ for (final Entity.EntityTreeNode node : pendingTeleport.rootVehicle().getFullTree()) {
+ // assume that world and position are set to destination here
+ node.root.setLevel(world); // in case the pending teleport is from a portal before it finds the exact destination
+ world.getEntityLookup().addEntityForShutdownTeleportComplete(node.root);
+ }
+
+ // then, rebuild the passenger tree so that when saving only the root vehicle will be written - and if
+ // there are any player passengers, that the later player saving will save the tree
+ pendingTeleport.rootVehicle().restore();
+
+ // now we are finished
+ LOGGER.info("Completed teleportation to target position " + pendingTeleport.to());
+ }
+ } catch (final Throwable thr) {
+ LOGGER.error("Failed to complete pending teleports", thr);
+ } finally {
+ this.shuttingDown = null;
+ }
+ }
+
+ private void saveRegionChunks(final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region,
+ final boolean last) {
+ ChunkPos center = null;
+ try {
+ this.shuttingDown = region;
+ center = region.getCenterChunk();
+ LOGGER.info("Saving chunks around region around chunk " + center + " in world '" + region.regioniser.world.getWorld().getName() + "'");
+ region.regioniser.world.chunkTaskScheduler.chunkHolderManager.close(true, true, false, last, false);
+ } catch (final Throwable thr) {
+ LOGGER.error("Failed to save chunks for region around chunk " + center + " in world '" + region.regioniser.world.getWorld().getName() + "'", thr);
+ } finally {
+ this.shuttingDown = null;
+ }
+ }
+
+ private void haltChunkSystem(final ServerLevel world) {
+ try {
+ world.chunkTaskScheduler.chunkHolderManager.close(false, true, true, false, false);
+ } catch (final Throwable thr) {
+ LOGGER.error("Failed to halt chunk system for world '" + world.getWorld().getName() + "'", thr);
+ }
+ }
+
+ private void haltWorldNoRegions(final ServerLevel world) {
+ try {
+ world.chunkTaskScheduler.chunkHolderManager.close(true, true, true, true, false);
+ } catch (final Throwable thr) {
+ LOGGER.error("Failed to close world '" + world.getWorld().getName() + "' with no regions", thr);
+ }
+ }
+
+ @Override
+ public final void run() {
+ // await scheduler termination
+ LOGGER.info("Awaiting scheduler termination for 60s");
+ if (TickRegions.getScheduler().halt(true, TimeUnit.SECONDS.toNanos(60L))) {
+ LOGGER.info("Scheduler halted");
+ } else {
+ LOGGER.warn("Scheduler did not terminate within 60s, proceeding with shutdown anyways");
+ TickRegions.getScheduler().dumpAliveThreadTraces("Did not shut down in time");
+ }
+
+ MinecraftServer.getServer().stopServer(); // stop part 1: most logic, kicking players, plugins, etc
+ // halt all chunk systems first so that any in-progress chunk generation stops
+ LOGGER.info("Halting chunk systems");
+ for (final ServerLevel world : MinecraftServer.getServer().getAllLevels()) {
+ try {
+ world.chunkTaskScheduler.halt(false, 0L);
+ } catch (final Throwable throwable) {
+ LOGGER.error("Failed to soft halt chunk system for world '" + world.getWorld().getName() + "'", throwable);
+ }
+ }
+ for (final ServerLevel world : MinecraftServer.getServer().getAllLevels()) {
+ this.haltChunkSystem(world);
+ }
+ LOGGER.info("Halted chunk systems");
+ for (final ServerLevel world : MinecraftServer.getServer().getAllLevels()) {
+ final List<ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>>
+ regions = new ArrayList<>();
+ world.regioniser.computeForAllRegionsUnsynchronised(regions::add);
+
+ for (int i = 0, len = regions.size(); i < len; ++i) {
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region = regions.get(i);
+ this.finishTeleportations(region, world);
+ }
+
+ for (int i = 0, len = regions.size(); i < len; ++i) {
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region = regions.get(i);
+ this.saveRegionChunks(region, (i + 1) == len);
+ }
+
+ this.saveLevelData(world);
+ }
+ // moved from stop part 1
+ // we need this to be after saving level data, as that will complete any teleportations the player is in
+ LOGGER.info("Saving players");
+ MinecraftServer.getServer().getPlayerList().saveAll();
+
+ MinecraftServer.getServer().stopPart2(); // stop part 2: close other resources (io thread, etc)
+ // done, part 2 should call exit()
+ }
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/RegionizedData.java b/src/main/java/io/papermc/paper/threadedregions/RegionizedData.java
new file mode 100644
index 0000000000000000000000000000000000000000..1f48ada99d6d24880f9bda1cd05d41a4562e42f5
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/RegionizedData.java
@@ -0,0 +1,235 @@
+package io.papermc.paper.threadedregions;
+
+import ca.spottedleaf.concurrentutil.util.Validate;
+import it.unimi.dsi.fastutil.longs.Long2ReferenceOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet;
+import net.minecraft.server.level.ServerLevel;
+import javax.annotation.Nullable;
+import java.util.function.Supplier;
+
+/**
+ * Use to manage data that needs to be regionised.
+ * <p>
+ * <b>Note:</b> that unlike {@link ThreadLocal}, regionised data is not deleted once the {@code RegionizedData} object is GC'd.
+ * The data is held in reference to the world it resides in.
+ * </p>
+ * <P>
+ * <b>Note:</b> Keep in mind that when regionised ticking is disabled, the entire server is considered a single region.
+ * That is, the data may or may not cross worlds. As such, the {@code RegionizedData} object must be instanced
+ * per world when appropriate, as it is no longer guaranteed that separate worlds contain separate regions.
+ * See below for more details on instancing per world.
+ * </P>
+ * <p>
+ * Regionised data may be <b>world-checked</b>. That is, {@link #get()} may throw an exception if the current
+ * region's world does not match the {@code RegionizedData}'s world. Consider the usages of {@code RegionizedData} below
+ * see why the behavior may or may not be desirable:
+ * <pre>
+ * {@code
+ * public class EntityTickList {
+ * private final List<Entity> entities = new ArrayList<>();
+ *
+ * public void addEntity(Entity e) {
+ * this.entities.add(e);
+ * }
+ *
+ * public void removeEntity(Entity e) {
+ * this.entities.remove(e);
+ * }
+ * }
+ *
+ * public class World {
+ *
+ * // callback is left out of this example
+ * // note: world != null here
+ * public final RegionizedData<EntityTickList> entityTickLists =
+ * new RegionizedData<>(this, () -> new EntityTickList(), ...);
+ *
+ * public void addTickingEntity(Entity e) {
+ * // What we expect here is that this world is the
+ * // current ticking region's world.
+ * // If that is true, then calling this.entityTickLists.get()
+ * // will retrieve the current region's EntityTickList
+ * // for this world, which is fine since the current
+ * // region is contained within this world.
+ *
+ * // But if the current region's world is not this world,
+ * // and if the world check is disabled, then we will actually
+ * // retrieve _this_ world's EntityTickList for the region,
+ * // and NOT the EntityTickList for the region's world.
+ * // This is because the RegionizedData object is instantiated
+ * // per world.
+ * this.entityTickLists.get().addEntity(e);
+ * }
+ * }
+ *
+ * public class TickTimes {
+ *
+ * private final List<Long> tickTimesNS = new ArrayList<>();
+ *
+ * public void completeTick(long timeNS) {
+ * this.tickTimesNS.add(timeNS);
+ * }
+ *
+ * public double getAverageTickLengthMS() {
+ * double sum = 0.0;
+ * for (long time : tickTimesNS) {
+ * sum += (double)time;
+ * }
+ * return (sum / this.tickTimesNS.size()) / 1.0E6; // 1ms = 1 million ns
+ * }
+ * }
+ *
+ * public class Server {
+ * public final List<World> worlds = ...;
+ *
+ * // callback is left out of this example
+ * // note: world == null here, because this RegionizedData object
+ * // is not instantiated per world, but rather globally.
+ * public final RegionizedData<TickTimes> tickTimes =
+ * new RegionizedData<>(null, () -> new TickTimes(), ...);
+ * }
+ * }
+ * </pre>
+ * In general, it is advised that if a RegionizedData object is instantiated <i>per world</i>, that world checking
+ * is enabled for it by passing the world to the constructor.
+ * </p>
+ */
+public final class RegionizedData<T> {
+
+ private final ServerLevel world;
+ private final Supplier<T> initialValueSupplier;
+ private final RegioniserCallback<T> callback;
+
+ /**
+ * Creates a regionised data holder. The provided initial value supplier may not be null, and it must
+ * never produce {@code null} values.
+ * <p>
+ * Note that the supplier or regioniser callback may be used while the region lock is held, so any blocking
+ * operations may deadlock the entire server and as such the function should be completely non-blocking
+ * and must complete in a timely manner.
+ * </p>
+ * <p>
+ * If the provided world is {@code null}, then the world checks are disabled. The world should only ever
+ * be {@code null} if the data is specifically not specific to worlds. For example, using {@code null}
+ * for an entity tick list is invalid since the entities are tied to a world <b>and</b> region,
+ * however using {@code null} for tasks to run at the end of a tick is valid since the tasks are tied to
+ * region <b>only</b>.
+ * </p>
+ * @param world The world in which the region data resides.
+ * @param supplier Initial value supplier used to lazy initialise region data.
+ * @param callback Region callback to manage this regionised data.
+ */
+ public RegionizedData(final ServerLevel world, final Supplier<T> supplier, final RegioniserCallback<T> callback) {
+ this.world = world;
+ this.initialValueSupplier = Validate.notNull(supplier, "Supplier may not be null.");
+ this.callback = Validate.notNull(callback, "Regioniser callback may not be null.");
+ }
+
+ T createNewValue() {
+ return Validate.notNull(this.initialValueSupplier.get(), "Initial value supplier may not return null");
+ }
+
+ RegioniserCallback<T> getCallback() {
+ return this.callback;
+ }
+
+ /**
+ * Returns the current data type for the current ticking region. If there is no region, returns {@code null}.
+ * @return the current data type for the current ticking region. If there is no region, returns {@code null}.
+ * @throws IllegalStateException If the following are true: The server is in region ticking mode,
+ * this {@code RegionizedData}'s world is not {@code null},
+ * and the current ticking region's world does not match this {@code RegionizedData}'s world.
+ */
+ public @Nullable T get() {
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ TickRegionScheduler.getCurrentRegion();
+
+ if (region == null) {
+ return null;
+ }
+
+ if (this.world != null && this.world != region.getData().world) {
+ throw new IllegalStateException("World check failed: expected world: " + this.world.getWorld().getKey() + ", region world: " + region.getData().world.getWorld().getKey());
+ }
+
+ return region.getData().getOrCreateRegionizedData(this);
+ }
+
+ /**
+ * Class responsible for handling merge / split requests from the regioniser.
+ * <p>
+ * It is critical to note that each function is called while holding the region lock.
+ * </p>
+ */
+ public static interface RegioniserCallback<T> {
+
+ /**
+ * Completely merges the data in {@code from} to {@code into}.
+ * <p>
+ * <b>Calculating Tick Offsets:</b>
+ * Sometimes data stores absolute tick deadlines, and since regions tick independently, absolute deadlines
+ * are not comparable across regions. Consider absolute deadlines {@code deadlineFrom, deadlineTo} in
+ * regions {@code from} and {@code into} respectively. We can calculate the relative deadline for the from
+ * region with {@code relFrom = deadlineFrom - currentTickFrom}. Then, we can use the same equation for
+ * computing the absolute deadline in region {@code into} that has the same relative deadline as {@code from}
+ * as {@code deadlineTo = relFrom + currentTickTo}. By substituting {@code relFrom} as {@code deadlineFrom - currentTickFrom},
+ * we finally have that {@code deadlineTo = deadlineFrom + (currentTickTo - currentTickFrom)} and
+ * that we can use an offset {@code fromTickOffset = currentTickTo - currentTickFrom} to calculate
+ * {@code deadlineTo} as {@code deadlineTo = deadlineFrom + fromTickOffset}.
+ * </p>
+ * <p>
+ * <b>Critical Notes:</b>
+ * <li>
+ * <ul>
+ * This function is called while the region lock is held, so any blocking operations may
+ * deadlock the entire server and as such the function should be completely non-blocking and must complete
+ * in a timely manner.
+ * </ul>
+ * <ul>
+ * This function may not throw any exceptions, or the server will be left in an unrecoverable state.
+ * </ul>
+ * </li>
+ * </p>
+ *
+ * @param from The data to merge from.
+ * @param into The data to merge into.
+ * @param fromTickOffset The addend to absolute tick deadlines stored in the {@code from} region to adjust to the into region.
+ */
+ public void merge(final T from, final T into, final long fromTickOffset);
+
+ /**
+ * Splits the data in {@code from} into {@code dataSet}.
+ * <p>
+ * The chunk coordinate to region section coordinate bit shift amount is provided in {@code chunkToRegionShift}.
+ * To convert from chunk coordinates to region coordinates and keys, see the code below:
+ * <pre>
+ * {@code
+ * int chunkX = ...;
+ * int chunkZ = ...;
+ *
+ * int regionSectionX = chunkX >> chunkToRegionShift;
+ * int regionSectionZ = chunkZ >> chunkToRegionShift;
+ * long regionSectionKey = io.papermc.paper.util.CoordinateUtils.getChunkKey(regionSectionX, regionSectionZ);
+ * }
+ * </pre>
+ * </p>
+ * <p>
+ * The {@code regionToData} hashtable provides a lookup from {@code regionSectionKey} (see above) to the
+ * data that is owned by the region which occupies the region section.
+ * </p>
+ * <p>
+ * Unlike {@link #merge(Object, Object, long)}, there is no absolute tick offset provided. This is because
+ * the new regions formed from the split will start at the same tick number, and so no adjustment is required.
+ * </p>
+ *
+ * @param from The data to split from.
+ * @param chunkToRegionShift The signed right-shift value used to convert chunk coordinates into region section coordinates.
+ * @param regionToData Lookup hash table from region section key to .
+ * @param dataSet The data set to split into.
+ */
+ public void split(
+ final T from, final int chunkToRegionShift,
+ final Long2ReferenceOpenHashMap<T> regionToData, final ReferenceOpenHashSet<T> dataSet
+ );
+ }
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/RegionizedServer.java b/src/main/java/io/papermc/paper/threadedregions/RegionizedServer.java
new file mode 100644
index 0000000000000000000000000000000000000000..fc3d332aa1c1d469cedfe2aaa7102dcd78e25642
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/RegionizedServer.java
@@ -0,0 +1,455 @@
+package io.papermc.paper.threadedregions;
+
+import ca.spottedleaf.concurrentutil.collection.MultiThreadedQueue;
+import ca.spottedleaf.concurrentutil.scheduler.SchedulerThreadPool;
+import com.mojang.logging.LogUtils;
+import io.papermc.paper.threadedregions.scheduler.FoliaGlobalRegionScheduler;
+import io.papermc.paper.util.TickThread;
+import net.minecraft.CrashReport;
+import net.minecraft.ReportedException;
+import net.minecraft.network.Connection;
+import net.minecraft.network.PacketListener;
+import net.minecraft.network.PacketSendListener;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.MutableComponent;
+import net.minecraft.network.protocol.common.ClientboundDisconnectPacket;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.dedicated.DedicatedServer;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
+import net.minecraft.world.level.GameRules;
+import org.bukkit.Bukkit;
+import org.slf4j.Logger;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.BooleanSupplier;
+
+public final class RegionizedServer {
+
+ private static final Logger LOGGER = LogUtils.getLogger();
+ private static final RegionizedServer INSTANCE = new RegionizedServer();
+
+ public final RegionizedTaskQueue taskQueue = new RegionizedTaskQueue();
+
+ private final CopyOnWriteArrayList<ServerLevel> worlds = new CopyOnWriteArrayList<>();
+ private final CopyOnWriteArrayList<Connection> connections = new CopyOnWriteArrayList<>();
+
+ private final MultiThreadedQueue<Runnable> globalTickQueue = new MultiThreadedQueue<>();
+
+ private final GlobalTickTickHandle tickHandle = new GlobalTickTickHandle(this);
+
+ public static RegionizedServer getInstance() {
+ return INSTANCE;
+ }
+
+ public void addConnection(final Connection conn) {
+ this.connections.add(conn);
+ }
+
+ public boolean removeConnection(final Connection conn) {
+ return this.connections.remove(conn);
+ }
+
+ public void addWorld(final ServerLevel world) {
+ this.worlds.add(world);
+ }
+
+ public void init() {
+ // call init event _before_ scheduling anything
+ new RegionizedServerInitEvent().callEvent();
+
+ // now we can schedule
+ this.tickHandle.setInitialStart(System.nanoTime() + TickRegionScheduler.TIME_BETWEEN_TICKS);
+ TickRegions.getScheduler().scheduleRegion(this.tickHandle);
+ TickRegions.getScheduler().init();
+ }
+
+ public void invalidateStatus() {
+ this.lastServerStatus = 0L;
+ }
+
+ public void addTaskWithoutNotify(final Runnable run) {
+ this.globalTickQueue.add(run);
+ }
+
+ public void addTask(final Runnable run) {
+ this.addTaskWithoutNotify(run);
+ TickRegions.getScheduler().setHasTasks(this.tickHandle);
+ }
+
+ /**
+ * Returns the current tick of the region ticking.
+ * @throws IllegalStateException If there is no current region.
+ */
+ public static long getCurrentTick() throws IllegalStateException {
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ TickRegionScheduler.getCurrentRegion();
+ if (region == null) {
+ if (TickThread.isShutdownThread()) {
+ return 0L;
+ }
+ throw new IllegalStateException("No currently ticking region");
+ }
+ return region.getData().getCurrentTick();
+ }
+
+ public static boolean isGlobalTickThread() {
+ return INSTANCE.tickHandle == TickRegionScheduler.getCurrentTickingTask();
+ }
+
+ public static void ensureGlobalTickThread(final String reason) {
+ if (!isGlobalTickThread()) {
+ throw new IllegalStateException(reason);
+ }
+ }
+
+ public static TickRegionScheduler.RegionScheduleHandle getGlobalTickData() {
+ return INSTANCE.tickHandle;
+ }
+
+ private static final class GlobalTickTickHandle extends TickRegionScheduler.RegionScheduleHandle {
+
+ private final RegionizedServer server;
+
+ private final AtomicBoolean scheduled = new AtomicBoolean();
+ private final AtomicBoolean ticking = new AtomicBoolean();
+
+ public GlobalTickTickHandle(final RegionizedServer server) {
+ super(null, SchedulerThreadPool.DEADLINE_NOT_SET);
+ this.server = server;
+ }
+
+ /**
+ * Only valid to call BEFORE scheduled!!!!
+ */
+ final void setInitialStart(final long start) {
+ if (this.scheduled.getAndSet(true)) {
+ throw new IllegalStateException("Double scheduling global tick");
+ }
+ this.updateScheduledStart(start);
+ }
+
+ @Override
+ protected boolean tryMarkTicking() {
+ return !this.ticking.getAndSet(true);
+ }
+
+ @Override
+ protected boolean markNotTicking() {
+ return this.ticking.getAndSet(false);
+ }
+
+ @Override
+ protected void tickRegion(final int tickCount, final long startTime, final long scheduledEnd) {
+ this.drainTasks();
+ this.server.globalTick(tickCount);
+ }
+
+ private void drainTasks() {
+ while (this.runOneTask());
+ }
+
+ private boolean runOneTask() {
+ final Runnable run = this.server.globalTickQueue.poll();
+ if (run == null) {
+ return false;
+ }
+
+ // TODO try catch?
+ run.run();
+
+ return true;
+ }
+
+ @Override
+ protected boolean runRegionTasks(final BooleanSupplier canContinue) {
+ do {
+ if (!this.runOneTask()) {
+ return false;
+ }
+ } while (canContinue.getAsBoolean());
+
+ return true;
+ }
+
+ @Override
+ protected boolean hasIntermediateTasks() {
+ return !this.server.globalTickQueue.isEmpty();
+ }
+ }
+
+ private long lastServerStatus;
+ private long tickCount;
+
+ /*
+ private final java.util.Random random = new java.util.Random(4L);
+ private final List<io.papermc.paper.chunk.system.RegionizedPlayerChunkLoader.SingleUserAreaMap<Void>> walkers =
+ new java.util.ArrayList<>();
+ static final int PLAYERS = 500;
+ static final int RAD_BLOCKS = 1000;
+ static final int RAD = RAD_BLOCKS >> 4;
+ static final int RAD_BIG_BLOCKS = 100_000;
+ static final int RAD_BIG = RAD_BIG_BLOCKS >> 4;
+ static final int VD = 4 + 12;
+ static final int BIG_PLAYERS = 250;
+ static final double WALK_CHANCE = 0.3;
+ static final double TP_CHANCE = 0.2;
+ static final double TASK_CHANCE = 0.2;
+
+ private ServerLevel getWorld() {
+ return this.worlds.get(0);
+ }
+
+ private void init2() {
+ for (int i = 0; i < PLAYERS; ++i) {
+ int rad = i < BIG_PLAYERS ? RAD_BIG : RAD;
+ int posX = this.random.nextInt(-rad, rad + 1);
+ int posZ = this.random.nextInt(-rad, rad + 1);
+
+ io.papermc.paper.chunk.system.RegionizedPlayerChunkLoader.SingleUserAreaMap<Void> map = new io.papermc.paper.chunk.system.RegionizedPlayerChunkLoader.SingleUserAreaMap<>(null) {
+ @Override
+ protected void addCallback(Void parameter, int chunkX, int chunkZ) {
+ ServerLevel world = RegionizedServer.this.getWorld();
+ if (RegionizedServer.this.random.nextDouble() <= TASK_CHANCE) {
+ RegionizedServer.this.taskQueue.queueChunkTask(world, chunkX, chunkZ, () -> {
+ RegionizedServer.this.taskQueue.queueChunkTask(world, chunkX, chunkZ, () -> {});
+ });
+ }
+ world.chunkTaskScheduler.chunkHolderManager.addTicketAtLevel(
+ net.minecraft.server.level.TicketType.PLAYER, chunkX, chunkZ, io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL, new net.minecraft.world.level.ChunkPos(posX, posZ)
+ );
+ }
+
+ @Override
+ protected void removeCallback(Void parameter, int chunkX, int chunkZ) {
+ ServerLevel world = RegionizedServer.this.getWorld();
+ if (RegionizedServer.this.random.nextDouble() <= TASK_CHANCE) {
+ RegionizedServer.this.taskQueue.queueChunkTask(world, chunkX, chunkZ, () -> {
+ RegionizedServer.this.taskQueue.queueChunkTask(world, chunkX, chunkZ, () -> {});
+ });
+ }
+ world.chunkTaskScheduler.chunkHolderManager.removeTicketAtLevel(
+ net.minecraft.server.level.TicketType.PLAYER, chunkX, chunkZ, io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL, new net.minecraft.world.level.ChunkPos(posX, posZ)
+ );
+ }
+ };
+
+ map.add(posX, posZ, VD);
+
+ walkers.add(map);
+ }
+ }
+
+ private void randomWalk() {
+ if (this.walkers.isEmpty()) {
+ this.init2();
+ return;
+ }
+
+ for (int i = 0; i < PLAYERS; ++i) {
+ if (this.random.nextDouble() > WALK_CHANCE) {
+ continue;
+ }
+
+ io.papermc.paper.chunk.system.RegionizedPlayerChunkLoader.SingleUserAreaMap<Void> map = this.walkers.get(i);
+
+ int updateX = this.random.nextInt(-1, 2);
+ int updateZ = this.random.nextInt(-1, 2);
+
+ map.update(map.lastChunkX + updateX, map.lastChunkZ + updateZ, VD);
+ }
+
+ for (int i = 0; i < PLAYERS; ++i) {
+ if (random.nextDouble() >= TP_CHANCE) {
+ continue;
+ }
+
+ int rad = i < BIG_PLAYERS ? RAD_BIG : RAD;
+ int posX = random.nextInt(-rad, rad + 1);
+ int posZ = random.nextInt(-rad, rad + 1);
+
+ io.papermc.paper.chunk.system.RegionizedPlayerChunkLoader.SingleUserAreaMap<Void> map = walkers.get(i);
+
+ map.update(posX, posZ, VD);
+ }
+ }
+ */
+
+ private void globalTick(final int tickCount) {
+ /*
+ if (false) {
+ io.papermc.paper.threadedregions.ThreadedTicketLevelPropagator.main(null);
+ }
+ this.randomWalk();
+ */
+ ++this.tickCount;
+ // expire invalid click command callbacks
+ io.papermc.paper.adventure.providers.ClickCallbackProviderImpl.CALLBACK_MANAGER.handleQueue((int)this.tickCount);
+
+ // scheduler
+ ((FoliaGlobalRegionScheduler)Bukkit.getGlobalRegionScheduler()).tick();
+
+ // commands
+ ((DedicatedServer)MinecraftServer.getServer()).handleConsoleInputs();
+
+ // needs
+ // player ping sample
+ // world global tick
+ // connection tick
+
+ // tick player ping sample
+ this.tickPlayerSample();
+
+ // tick worlds
+ for (final ServerLevel world : this.worlds) {
+ this.globalTick(world, tickCount);
+ }
+
+ // tick connections
+ this.tickConnections();
+
+ // player list
+ MinecraftServer.getServer().getPlayerList().tick();
+ }
+
+ private void tickPlayerSample() {
+ final MinecraftServer mcServer = MinecraftServer.getServer();
+
+ final long currtime = System.nanoTime();
+
+ // player ping sample
+ // copied from MinecraftServer#tickServer
+ // note: we need to reorder setPlayers to be the last operation it does, rather than the first to avoid publishing
+ // an uncomplete status
+ if (currtime - this.lastServerStatus >= MinecraftServer.STATUS_EXPIRE_TIME_NANOS) {
+ this.lastServerStatus = currtime;
+ mcServer.rebuildServerStatus();
+ }
+ }
+
+ public static boolean isNotOwnedByGlobalRegion(final Connection conn) {
+ final PacketListener packetListener = conn.getPacketListener();
+
+ if (packetListener instanceof ServerGamePacketListenerImpl gamePacketListener) {
+ return !gamePacketListener.waitingForSwitchToConfig;
+ }
+
+ if (conn.getPacketListener() instanceof net.minecraft.server.network.ServerConfigurationPacketListenerImpl configurationPacketListener) {
+ return configurationPacketListener.switchToMain;
+ }
+
+ return false;
+ }
+
+ private void tickConnections() {
+ final List<Connection> connections = new ArrayList<>(this.connections);
+ Collections.shuffle(connections); // shuffle to prevent people from "gaming" the server by re-logging
+ for (final Connection conn : connections) {
+ if (!conn.becomeActive()) {
+ continue;
+ }
+
+ if (isNotOwnedByGlobalRegion(conn)) {
+ // we actually require that the owning regions remove the connection for us, as it is possible
+ // that ownership is transferred back to us
+ continue;
+ }
+
+ if (!conn.isConnected()) {
+ this.removeConnection(conn);
+ conn.handleDisconnection();
+ continue;
+ }
+
+ try {
+ conn.tick();
+ } catch (final Exception exception) {
+ if (conn.isMemoryConnection()) {
+ throw new ReportedException(CrashReport.forThrowable(exception, "Ticking memory connection"));
+ }
+
+ LOGGER.warn("Failed to handle packet for {}", conn.getLoggableAddress(MinecraftServer.getServer().logIPs()), exception);
+ MutableComponent ichatmutablecomponent = Component.literal("Internal server error");
+
+ conn.send(new ClientboundDisconnectPacket(ichatmutablecomponent), PacketSendListener.thenRun(() -> {
+ conn.disconnect(ichatmutablecomponent);
+ }));
+ conn.setReadOnly();
+ continue;
+ }
+ }
+ }
+
+ // A global tick only updates things like weather / worldborder, basically anything in the world that is
+ // NOT tied to a specific region, but rather shared amongst all of them.
+ private void globalTick(final ServerLevel world, final int tickCount) {
+ // needs
+ // worldborder tick
+ // advancing the weather cycle
+ // sleep status thing
+ // updating sky brightness
+ // time ticking (game time + daylight), plus PrimayLevelDat#getScheduledEvents ticking
+
+ // Typically, we expect there to be a running region to drain a world's global chunk tasks. However,
+ // this may not be the case - and thus, only the global tick thread can do anything.
+ world.taskQueueRegionData.drainGlobalChunkTasks();
+
+ // worldborder tick
+ this.tickWorldBorder(world);
+
+ // weather cycle
+ this.advanceWeatherCycle(world);
+
+ // sleep status
+ this.checkNightSkip(world);
+
+ // update raids
+ this.updateRaids(world);
+
+ // sky brightness
+ this.updateSkyBrightness(world);
+
+ // time ticking (TODO API synchronisation?)
+ this.tickTime(world, tickCount);
+
+ world.updateTickData();
+
+ world.chunkTaskScheduler.chunkHolderManager.processTicketUpdates(); // required to eventually process ticket updates
+ }
+
+ private void updateRaids(final ServerLevel world) {
+ world.getRaids().globalTick();
+ }
+
+ private void checkNightSkip(final ServerLevel world) {
+ world.tickSleep();
+ }
+
+ private void advanceWeatherCycle(final ServerLevel world) {
+ world.advanceWeatherCycle();
+ }
+
+ private void updateSkyBrightness(final ServerLevel world) {
+ world.updateSkyBrightness();
+ }
+
+ private void tickWorldBorder(final ServerLevel world) {
+ world.getWorldBorder().tick();
+ }
+
+ private void tickTime(final ServerLevel world, final int tickCount) {
+ if (world.tickTime) {
+ if (world.levelData.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT)) {
+ world.setDayTime(world.levelData.getDayTime() + (long)tickCount);
+ }
+ world.serverLevelData.setGameTime(world.serverLevelData.getGameTime() + (long)tickCount);
+ }
+ }
+
+ public static final record WorldLevelData(ServerLevel world, long nonRedstoneGameTime, long dayTime) {
+
+ }
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/RegionizedTaskQueue.java b/src/main/java/io/papermc/paper/threadedregions/RegionizedTaskQueue.java
new file mode 100644
index 0000000000000000000000000000000000000000..98ddb674b63a4777a98152ea960debf48aa2bc35
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/RegionizedTaskQueue.java
@@ -0,0 +1,768 @@
+package io.papermc.paper.threadedregions;
+
+import ca.spottedleaf.concurrentutil.collection.MultiThreadedQueue;
+import ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor;
+import ca.spottedleaf.concurrentutil.map.SWMRLong2ObjectHashTable;
+import ca.spottedleaf.concurrentutil.util.ConcurrentUtil;
+import io.papermc.paper.chunk.system.scheduling.ChunkHolderManager;
+import io.papermc.paper.util.CoordinateUtils;
+import it.unimi.dsi.fastutil.longs.Long2ReferenceOpenHashMap;
+import it.unimi.dsi.fastutil.objects.Reference2ReferenceMap;
+import it.unimi.dsi.fastutil.objects.Reference2ReferenceOpenHashMap;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.TicketType;
+import net.minecraft.util.Unit;
+import java.lang.invoke.VarHandle;
+import java.util.ArrayDeque;
+import java.util.Iterator;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.locks.ReentrantLock;
+
+public final class RegionizedTaskQueue {
+
+ private static final TicketType<Unit> TASK_QUEUE_TICKET = TicketType.create("task_queue_ticket", (a, b) -> 0);
+
+ public PrioritisedExecutor.PrioritisedTask createChunkTask(final ServerLevel world, final int chunkX, final int chunkZ,
+ final Runnable run) {
+ return new PrioritisedQueue.ChunkBasedPriorityTask(world.taskQueueRegionData, chunkX, chunkZ, true, run, PrioritisedExecutor.Priority.NORMAL);
+ }
+
+ public PrioritisedExecutor.PrioritisedTask createChunkTask(final ServerLevel world, final int chunkX, final int chunkZ,
+ final Runnable run, final PrioritisedExecutor.Priority priority) {
+ return new PrioritisedQueue.ChunkBasedPriorityTask(world.taskQueueRegionData, chunkX, chunkZ, true, run, priority);
+ }
+
+ public PrioritisedExecutor.PrioritisedTask createTickTaskQueue(final ServerLevel world, final int chunkX, final int chunkZ,
+ final Runnable run) {
+ return new PrioritisedQueue.ChunkBasedPriorityTask(world.taskQueueRegionData, chunkX, chunkZ, false, run, PrioritisedExecutor.Priority.NORMAL);
+ }
+
+ public PrioritisedExecutor.PrioritisedTask createTickTaskQueue(final ServerLevel world, final int chunkX, final int chunkZ,
+ final Runnable run, final PrioritisedExecutor.Priority priority) {
+ return new PrioritisedQueue.ChunkBasedPriorityTask(world.taskQueueRegionData, chunkX, chunkZ, false, run, priority);
+ }
+
+ public PrioritisedExecutor.PrioritisedTask queueChunkTask(final ServerLevel world, final int chunkX, final int chunkZ,
+ final Runnable run) {
+ return this.queueChunkTask(world, chunkX, chunkZ, run, PrioritisedExecutor.Priority.NORMAL);
+ }
+
+ public PrioritisedExecutor.PrioritisedTask queueChunkTask(final ServerLevel world, final int chunkX, final int chunkZ,
+ final Runnable run, final PrioritisedExecutor.Priority priority) {
+ final PrioritisedExecutor.PrioritisedTask ret = this.createChunkTask(world, chunkX, chunkZ, run, priority);
+ ret.queue();
+ return ret;
+ }
+
+ public PrioritisedExecutor.PrioritisedTask queueTickTaskQueue(final ServerLevel world, final int chunkX, final int chunkZ,
+ final Runnable run) {
+ return this.queueTickTaskQueue(world, chunkX, chunkZ, run, PrioritisedExecutor.Priority.NORMAL);
+ }
+
+ public PrioritisedExecutor.PrioritisedTask queueTickTaskQueue(final ServerLevel world, final int chunkX, final int chunkZ,
+ final Runnable run, final PrioritisedExecutor.Priority priority) {
+ final PrioritisedExecutor.PrioritisedTask ret = this.createTickTaskQueue(world, chunkX, chunkZ, run, priority);
+ ret.queue();
+ return ret;
+ }
+
+ public static final class WorldRegionTaskData {
+ private final ServerLevel world;
+ private final MultiThreadedQueue<Runnable> globalChunkTask = new MultiThreadedQueue<>();
+ private final java.util.concurrent.ConcurrentHashMap<io.papermc.paper.chunk.system.io.RegionFileIOThread.ChunkCoordinate, AtomicLong> referenceCounters = new java.util.concurrent.ConcurrentHashMap<>(); // Folia - use area based lock to reduce contention
+
+ public WorldRegionTaskData(final ServerLevel world) {
+ this.world = world;
+ }
+
+ private boolean executeGlobalChunkTask() {
+ final Runnable run = this.globalChunkTask.poll();
+ if (run != null) {
+ run.run();
+ return true;
+ }
+ return false;
+ }
+
+ public void drainGlobalChunkTasks() {
+ while (this.executeGlobalChunkTask());
+ }
+
+ public void pushGlobalChunkTask(final Runnable run) {
+ this.globalChunkTask.add(run);
+ }
+
+ private PrioritisedQueue getQueue(final boolean synchronise, final int chunkX, final int chunkZ, final boolean isChunkTask) {
+ final ThreadedRegionizer<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> regioniser = this.world.regioniser;
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region
+ = synchronise ? regioniser.getRegionAtSynchronised(chunkX, chunkZ) : regioniser.getRegionAtUnsynchronised(chunkX, chunkZ);
+ if (region == null) {
+ return null;
+ }
+ final RegionTaskQueueData taskQueueData = region.getData().getTaskQueueData();
+ return (isChunkTask ? taskQueueData.chunkQueue : taskQueueData.tickTaskQueue);
+ }
+
+ private void removeTicket(final long coord) {
+ this.world.chunkTaskScheduler.chunkHolderManager.removeTicketAtLevel(
+ TASK_QUEUE_TICKET, coord, ChunkHolderManager.MAX_TICKET_LEVEL, Unit.INSTANCE
+ );
+ }
+
+ private void addTicket(final long coord) {
+ this.world.chunkTaskScheduler.chunkHolderManager.addTicketAtLevel(
+ TASK_QUEUE_TICKET, coord, ChunkHolderManager.MAX_TICKET_LEVEL, Unit.INSTANCE
+ );
+ }
+
+ // Folia start - use area based lock to reduce contention
+ private void processTicketUpdates(final long coord) {
+ this.world.chunkTaskScheduler.chunkHolderManager.processTicketUpdates(CoordinateUtils.getChunkX(coord), CoordinateUtils.getChunkZ(coord));
+ }
+ // Folia end - use area based lock to reduce contention
+
+ private void decrementReference(final AtomicLong reference, final long coord) {
+ final long val = reference.decrementAndGet();
+ if (val == 0L) {
+ final int chunkX = CoordinateUtils.getChunkX(coord); // Folia - use area based lock to reduce contention
+ final int chunkZ = CoordinateUtils.getChunkZ(coord); // Folia - use area based lock to reduce contention
+ final io.papermc.paper.chunk.system.io.RegionFileIOThread.ChunkCoordinate key = new io.papermc.paper.chunk.system.io.RegionFileIOThread.ChunkCoordinate(coord); // Folia - use area based lock to reduce contention
+ final ca.spottedleaf.concurrentutil.lock.ReentrantAreaLock.Node ticketLock = this.world.chunkTaskScheduler.chunkHolderManager.ticketLockArea.lock(chunkX, chunkZ); // Folia - use area based lock to reduce contention
+ try {
+ if (this.referenceCounters.remove(key, reference)) { // Folia - use area based lock to reduce contention
+ WorldRegionTaskData.this.removeTicket(coord);
+ } // else: race condition, something replaced our reference - not our issue anymore
+ } finally {
+ this.world.chunkTaskScheduler.chunkHolderManager.ticketLockArea.unlock(ticketLock); // Folia - use area based lock to reduce contention
+ }
+ } else if (val < 0L) {
+ throw new IllegalStateException("Reference count < 0: " + val);
+ }
+ }
+
+ private AtomicLong incrementReference(final long coord) {
+ final io.papermc.paper.chunk.system.io.RegionFileIOThread.ChunkCoordinate key = new io.papermc.paper.chunk.system.io.RegionFileIOThread.ChunkCoordinate(coord); // Folia - use area based lock to reduce contention
+ final AtomicLong ret = this.referenceCounters.get(key); // Folia - use area based lock to reduce contention
+ if (ret != null) {
+ // try to fast acquire counter
+ int failures = 0;
+ for (long curr = ret.get();;) {
+ if (curr == 0L) {
+ // failed to fast acquire as reference expired
+ break;
+ }
+
+ for (int i = 0; i < failures; ++i) {
+ ConcurrentUtil.backoff();
+ }
+
+ if (curr == (curr = ret.compareAndExchange(curr, curr + 1L))) {
+ return ret;
+ }
+
+ ++failures;
+ }
+ }
+
+ // slow acquire
+ final int chunkX = CoordinateUtils.getChunkX(coord); // Folia - use area based lock to reduce contention
+ final int chunkZ = CoordinateUtils.getChunkZ(coord); // Folia - use area based lock to reduce contention
+ final ca.spottedleaf.concurrentutil.lock.ReentrantAreaLock.Node ticketLock = this.world.chunkTaskScheduler.chunkHolderManager.ticketLockArea.lock(chunkX, chunkZ); // Folia - use area based lock to reduce contention
+ final AtomicLong ret2;
+ final boolean processTicketUpdates;
+ try {
+ final AtomicLong replace = new AtomicLong(1L);
+ final AtomicLong valueInMap = this.referenceCounters.putIfAbsent(key, replace); // Folia - use area based lock to reduce contention
+ if (valueInMap == null) {
+ // replaced, we should usually be here
+ this.addTicket(coord);
+ ret2 = replace;
+ processTicketUpdates = true;
+ } else {
+ processTicketUpdates = false;
+ int failures = 0;
+ for (long curr = valueInMap.get();;) {
+ if (curr == 0L) {
+ // don't need to add ticket here, since ticket is only removed during the lock
+ // we just need to replace the value in the map so that the thread removing fails and doesn't
+ // remove the ticket (see decrementReference)
+ this.referenceCounters.put(key, replace); // Folia - use area based lock to reduce contention
+ ret2 = replace;
+ break;
+ }
+
+ for (int i = 0; i < failures; ++i) {
+ ConcurrentUtil.backoff();
+ }
+
+ if (curr == (curr = valueInMap.compareAndExchange(curr, curr + 1L))) {
+ // acquired
+ ret2 = valueInMap;
+ break;
+ }
+
+ ++failures;
+ }
+ }
+ } finally {
+ this.world.chunkTaskScheduler.chunkHolderManager.ticketLockArea.unlock(ticketLock); // Folia - use area based lock to reduce contention
+ }
+
+ if (processTicketUpdates) {
+ this.processTicketUpdates(coord);
+ }
+
+ return ret2;
+ }
+ }
+
+ public static final class RegionTaskQueueData {
+ private final PrioritisedQueue tickTaskQueue = new PrioritisedQueue();
+ private final PrioritisedQueue chunkQueue = new PrioritisedQueue();
+ private final WorldRegionTaskData worldRegionTaskData;
+
+ public RegionTaskQueueData(final WorldRegionTaskData worldRegionTaskData) {
+ this.worldRegionTaskData = worldRegionTaskData;
+ }
+
+ void mergeInto(final RegionTaskQueueData into) {
+ this.tickTaskQueue.mergeInto(into.tickTaskQueue);
+ this.chunkQueue.mergeInto(into.chunkQueue);
+ }
+
+ public boolean executeTickTask() {
+ return this.tickTaskQueue.executeTask();
+ }
+
+ public boolean executeChunkTask() {
+ return this.worldRegionTaskData.executeGlobalChunkTask() || this.chunkQueue.executeTask();
+ }
+
+ void split(final ThreadedRegionizer<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> regioniser,
+ final Long2ReferenceOpenHashMap<ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>> into) {
+ this.tickTaskQueue.split(
+ false, regioniser, into
+ );
+ this.chunkQueue.split(
+ true, regioniser, into
+ );
+ }
+
+ public void drainTasks() {
+ final PrioritisedQueue tickTaskQueue = this.tickTaskQueue;
+ final PrioritisedQueue chunkTaskQueue = this.chunkQueue;
+
+ int allowedTickTasks = tickTaskQueue.getScheduledTasks();
+ int allowedChunkTasks = chunkTaskQueue.getScheduledTasks();
+
+ boolean executeTickTasks = allowedTickTasks > 0;
+ boolean executeChunkTasks = allowedChunkTasks > 0;
+ boolean executeGlobalTasks = true;
+
+ do {
+ executeTickTasks = executeTickTasks && allowedTickTasks-- > 0 && tickTaskQueue.executeTask();
+ executeChunkTasks = executeChunkTasks && allowedChunkTasks-- > 0 && chunkTaskQueue.executeTask();
+ executeGlobalTasks = executeGlobalTasks && this.worldRegionTaskData.executeGlobalChunkTask();
+ } while (executeTickTasks | executeChunkTasks | executeGlobalTasks);
+
+ if (allowedChunkTasks > 0) {
+ // if we executed chunk tasks, we should try to process ticket updates for full status changes
+ this.worldRegionTaskData.world.chunkTaskScheduler.chunkHolderManager.processTicketUpdates();
+ }
+ }
+
+ public boolean hasTasks() {
+ return !this.tickTaskQueue.isEmpty() || !this.chunkQueue.isEmpty();
+ }
+ }
+
+ static final class PrioritisedQueue {
+ private final ArrayDeque<ChunkBasedPriorityTask>[] queues = new ArrayDeque[PrioritisedExecutor.Priority.TOTAL_SCHEDULABLE_PRIORITIES]; {
+ for (int i = 0; i < PrioritisedExecutor.Priority.TOTAL_SCHEDULABLE_PRIORITIES; ++i) {
+ this.queues[i] = new ArrayDeque<>();
+ }
+ }
+ private boolean isDestroyed;
+
+ public int getScheduledTasks() {
+ synchronized (this) {
+ int ret = 0;
+
+ for (final ArrayDeque<ChunkBasedPriorityTask> queue : this.queues) {
+ ret += queue.size();
+ }
+
+ return ret;
+ }
+ }
+
+ public boolean isEmpty() {
+ final ArrayDeque<ChunkBasedPriorityTask>[] queues = this.queues;
+ final int max = PrioritisedExecutor.Priority.IDLE.priority;
+ synchronized (this) {
+ for (int i = 0; i <= max; ++i) {
+ if (!queues[i].isEmpty()) {
+ return false;
+ }
+ }
+ return true;
+ }
+ }
+
+ public void mergeInto(final PrioritisedQueue target) {
+ synchronized (this) {
+ this.isDestroyed = true;
+ mergeInto(target, this.queues);
+ }
+ }
+
+ private static void mergeInto(final PrioritisedQueue target, final ArrayDeque<ChunkBasedPriorityTask>[] thisQueues) {
+ synchronized (target) {
+ final ArrayDeque<ChunkBasedPriorityTask>[] otherQueues = target.queues;
+ for (int i = 0; i < thisQueues.length; ++i) {
+ final ArrayDeque<ChunkBasedPriorityTask> fromQ = thisQueues[i];
+ final ArrayDeque<ChunkBasedPriorityTask> intoQ = otherQueues[i];
+
+ // it is possible for another thread to queue tasks into the target queue before we do
+ // since only the ticking region can poll, we don't have to worry about it when they are being queued -
+ // but when we are merging, we need to ensure order is maintained (notwithstanding priority changes)
+ // we can ensure order is maintained by adding all of the tasks from the fromQ into the intoQ at the
+ // front of the queue, but we need to use descending iterator to ensure we do not reverse
+ // the order of elements from fromQ
+ for (final Iterator<ChunkBasedPriorityTask> iterator = fromQ.descendingIterator(); iterator.hasNext();) {
+ intoQ.addFirst(iterator.next());
+ }
+ }
+ }
+ }
+
+ // into is a map of section coordinate to region
+ public void split(final boolean isChunkData,
+ final ThreadedRegionizer<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> regioniser,
+ final Long2ReferenceOpenHashMap<ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>> into) {
+ final Reference2ReferenceOpenHashMap<ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>, ArrayDeque<ChunkBasedPriorityTask>[]>
+ split = new Reference2ReferenceOpenHashMap<>();
+ final int shift = regioniser.sectionChunkShift;
+ synchronized (this) {
+ this.isDestroyed = true;
+ // like mergeTarget, we need to be careful about insertion order so we can maintain order when splitting
+
+ // first, build the targets
+ final ArrayDeque<ChunkBasedPriorityTask>[] thisQueues = this.queues;
+ for (int i = 0; i < thisQueues.length; ++i) {
+ final ArrayDeque<ChunkBasedPriorityTask> fromQ = thisQueues[i];
+
+ for (final ChunkBasedPriorityTask task : fromQ) {
+ final int sectionX = task.chunkX >> shift;
+ final int sectionZ = task.chunkZ >> shift;
+ final long sectionKey = CoordinateUtils.getChunkKey(sectionX, sectionZ);
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>
+ region = into.get(sectionKey);
+ if (region == null) {
+ throw new IllegalStateException();
+ }
+
+ split.computeIfAbsent(region, (keyInMap) -> {
+ final ArrayDeque<ChunkBasedPriorityTask>[] ret = new ArrayDeque[PrioritisedExecutor.Priority.TOTAL_SCHEDULABLE_PRIORITIES];
+
+ for (int k = 0; k < ret.length; ++k) {
+ ret[k] = new ArrayDeque<>();
+ }
+
+ return ret;
+ })[i].add(task);
+ }
+ }
+
+ // merge the targets into their queues
+ for (final Iterator<Reference2ReferenceMap.Entry<ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>, ArrayDeque<ChunkBasedPriorityTask>[]>>
+ iterator = split.reference2ReferenceEntrySet().fastIterator();
+ iterator.hasNext();) {
+ final Reference2ReferenceMap.Entry<ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>, ArrayDeque<ChunkBasedPriorityTask>[]>
+ entry = iterator.next();
+ final RegionTaskQueueData taskQueueData = entry.getKey().getData().getTaskQueueData();
+ mergeInto(isChunkData ? taskQueueData.chunkQueue : taskQueueData.tickTaskQueue, entry.getValue());
+ }
+ }
+ }
+
+ /**
+ * returns null if the task cannot be scheduled, returns false if this task queue is dead, and returns true
+ * if the task was added
+ */
+ private Boolean tryPush(final ChunkBasedPriorityTask task) {
+ final ArrayDeque<ChunkBasedPriorityTask>[] queues = this.queues;
+ synchronized (this) {
+ final PrioritisedExecutor.Priority priority = task.getPriority();
+ if (priority == PrioritisedExecutor.Priority.COMPLETING) {
+ return null;
+ }
+ if (this.isDestroyed) {
+ return Boolean.FALSE;
+ }
+ queues[priority.priority].addLast(task);
+ return Boolean.TRUE;
+ }
+ }
+
+ private boolean executeTask() {
+ final ArrayDeque<ChunkBasedPriorityTask>[] queues = this.queues;
+ final int max = PrioritisedExecutor.Priority.IDLE.priority;
+ ChunkBasedPriorityTask task = null;
+ AtomicLong referenceCounter = null;
+ synchronized (this) {
+ if (this.isDestroyed) {
+ throw new IllegalStateException("Attempting to poll from dead queue");
+ }
+
+ search_loop:
+ for (int i = 0; i <= max; ++i) {
+ final ArrayDeque<ChunkBasedPriorityTask> queue = queues[i];
+ while ((task = queue.pollFirst()) != null) {
+ if ((referenceCounter = task.trySetCompleting(i)) != null) {
+ break search_loop;
+ }
+ }
+ }
+ }
+
+ if (task == null) {
+ return false;
+ }
+
+ try {
+ task.executeInternal();
+ } finally {
+ task.world.decrementReference(referenceCounter, task.sectionLowerLeftCoord);
+ }
+
+ return true;
+ }
+
+ private static final class ChunkBasedPriorityTask implements PrioritisedExecutor.PrioritisedTask {
+
+ private static final AtomicLong REFERENCE_COUNTER_NOT_SET = new AtomicLong(-1L);
+
+ private final WorldRegionTaskData world;
+ private final int chunkX;
+ private final int chunkZ;
+ private final long sectionLowerLeftCoord; // chunk coordinate
+ private final boolean isChunkTask;
+
+ private volatile AtomicLong referenceCounter;
+ private static final VarHandle REFERENCE_COUNTER_HANDLE = ConcurrentUtil.getVarHandle(ChunkBasedPriorityTask.class, "referenceCounter", AtomicLong.class);
+ private Runnable run;
+ private volatile PrioritisedExecutor.Priority priority;
+ private static final VarHandle PRIORITY_HANDLE = ConcurrentUtil.getVarHandle(ChunkBasedPriorityTask.class, "priority", PrioritisedExecutor.Priority.class);
+
+ ChunkBasedPriorityTask(final WorldRegionTaskData world, final int chunkX, final int chunkZ, final boolean isChunkTask,
+ final Runnable run, final PrioritisedExecutor.Priority priority) {
+ this.world = world;
+ this.chunkX = chunkX;
+ this.chunkZ = chunkZ;
+ this.isChunkTask = isChunkTask;
+ this.run = run;
+ this.setReferenceCounterPlain(REFERENCE_COUNTER_NOT_SET);
+ this.setPriorityPlain(priority);
+
+ final int regionShift = world.world.regioniser.sectionChunkShift;
+ final int regionMask = (1 << regionShift) - 1;
+
+ this.sectionLowerLeftCoord = CoordinateUtils.getChunkKey(chunkX & ~regionMask, chunkZ & ~regionMask);
+ }
+
+ private PrioritisedExecutor.Priority getPriorityVolatile() {
+ return (PrioritisedExecutor.Priority)PRIORITY_HANDLE.getVolatile(this);
+ }
+
+ private void setPriorityPlain(final PrioritisedExecutor.Priority priority) {
+ PRIORITY_HANDLE.set(this, priority);
+ }
+
+ private void setPriorityVolatile(final PrioritisedExecutor.Priority priority) {
+ PRIORITY_HANDLE.setVolatile(this, priority);
+ }
+
+ private PrioritisedExecutor.Priority compareAndExchangePriority(final PrioritisedExecutor.Priority expect, final PrioritisedExecutor.Priority update) {
+ return (PrioritisedExecutor.Priority)PRIORITY_HANDLE.compareAndExchange(this, expect, update);
+ }
+
+ private void setReferenceCounterPlain(final AtomicLong value) {
+ REFERENCE_COUNTER_HANDLE.set(this, value);
+ }
+
+ private AtomicLong getReferenceCounterVolatile() {
+ return (AtomicLong)REFERENCE_COUNTER_HANDLE.get(this);
+ }
+
+ private AtomicLong compareAndExchangeReferenceCounter(final AtomicLong expect, final AtomicLong update) {
+ return (AtomicLong)REFERENCE_COUNTER_HANDLE.compareAndExchange(this, expect, update);
+ }
+
+ private void executeInternal() {
+ try {
+ this.run.run();
+ } finally {
+ this.run = null;
+ }
+ }
+
+ private void cancelInternal() {
+ this.run = null;
+ }
+
+ private boolean tryComplete(final boolean cancel) {
+ int failures = 0;
+ for (AtomicLong curr = this.getReferenceCounterVolatile();;) {
+ if (curr == null) {
+ return false;
+ }
+
+ for (int i = 0; i < failures; ++i) {
+ ConcurrentUtil.backoff();
+ }
+
+ if (curr != (curr = this.compareAndExchangeReferenceCounter(curr, null))) {
+ ++failures;
+ continue;
+ }
+
+ // we have the reference count, we win no matter what.
+ this.setPriorityVolatile(PrioritisedExecutor.Priority.COMPLETING);
+
+ try {
+ if (cancel) {
+ this.cancelInternal();
+ } else {
+ this.executeInternal();
+ }
+ } finally {
+ if (curr != REFERENCE_COUNTER_NOT_SET) {
+ this.world.decrementReference(curr, this.sectionLowerLeftCoord);
+ }
+ }
+
+ return true;
+ }
+ }
+
+ @Override
+ public boolean queue() {
+ if (this.getReferenceCounterVolatile() != REFERENCE_COUNTER_NOT_SET) {
+ return false;
+ }
+
+ final AtomicLong referenceCounter = this.world.incrementReference(this.sectionLowerLeftCoord);
+ if (this.compareAndExchangeReferenceCounter(REFERENCE_COUNTER_NOT_SET, referenceCounter) != REFERENCE_COUNTER_NOT_SET) {
+ // we don't expect race conditions here, so it is OK if we have to needlessly reference count
+ this.world.decrementReference(referenceCounter, this.sectionLowerLeftCoord);
+ return false;
+ }
+
+ boolean synchronise = false;
+ for (;;) {
+ // we need to synchronise for repeated operations so that we guarantee that we do not retrieve
+ // the same queue again, as the region lock will be given to us only when the merge/split operation
+ // is done
+ final PrioritisedQueue queue = this.world.getQueue(synchronise, this.chunkX, this.chunkZ, this.isChunkTask);
+
+ if (queue == null) {
+ if (!synchronise) {
+ // may be incorrectly null when unsynchronised
+ synchronise = true;
+ continue;
+ }
+ // may have been cancelled before we got to the queue
+ if (this.getReferenceCounterVolatile() != null) {
+ throw new IllegalStateException("Expected null ref count when queue does not exist");
+ }
+ // the task never could be polled from the queue, so we return false
+ // don't decrement reference count, as we were certainly cancelled by another thread, which
+ // will decrement the reference count
+ return false;
+ }
+
+ synchronise = true;
+
+ final Boolean res = queue.tryPush(this);
+ if (res == null) {
+ // we were cancelled
+ // don't decrement reference count, as we were certainly cancelled by another thread, which
+ // will decrement the reference count
+ return false;
+ }
+
+ if (!res.booleanValue()) {
+ // failed, try again
+ continue;
+ }
+
+ // successfully queued
+ return true;
+ }
+ }
+
+ private AtomicLong trySetCompleting(final int minPriority) {
+ // first, try to set priority to EXECUTING
+ for (PrioritisedExecutor.Priority curr = this.getPriorityVolatile();;) {
+ if (curr.isLowerPriority(minPriority)) {
+ return null;
+ }
+
+ if (curr == (curr = this.compareAndExchangePriority(curr, PrioritisedExecutor.Priority.COMPLETING))) {
+ break;
+ } // else: continue
+ }
+
+ for (AtomicLong curr = this.getReferenceCounterVolatile();;) {
+ if (curr == null) {
+ // something acquired before us
+ return null;
+ }
+
+ if (curr == REFERENCE_COUNTER_NOT_SET) {
+ throw new IllegalStateException();
+ }
+
+ if (curr != (curr = this.compareAndExchangeReferenceCounter(curr, null))) {
+ continue;
+ }
+ return curr;
+ }
+ }
+
+ private void updatePriorityInQueue() {
+ boolean synchronise = false;
+ for (;;) {
+ final AtomicLong referenceCount = this.getReferenceCounterVolatile();
+ if (referenceCount == REFERENCE_COUNTER_NOT_SET || referenceCount == null) {
+ // cancelled or not queued
+ return;
+ }
+
+ if (this.getPriorityVolatile() == PrioritisedExecutor.Priority.COMPLETING) {
+ // cancelled
+ return;
+ }
+
+ // we need to synchronise for repeated operations so that we guarantee that we do not retrieve
+ // the same queue again, as the region lock will be given to us only when the merge/split operation
+ // is done
+ final PrioritisedQueue queue = this.world.getQueue(synchronise, this.chunkX, this.chunkZ, this.isChunkTask);
+
+ if (queue == null) {
+ if (!synchronise) {
+ // may be incorrectly null when unsynchronised
+ continue;
+ }
+ // must have been removed
+ return;
+ }
+
+ synchronise = true;
+
+ final Boolean res = queue.tryPush(this);
+ if (res == null) {
+ // we were cancelled
+ return;
+ }
+
+ if (!res.booleanValue()) {
+ // failed, try again
+ continue;
+ }
+
+ // successfully queued
+ return;
+ }
+ }
+
+ @Override
+ public PrioritisedExecutor.Priority getPriority() {
+ return this.getPriorityVolatile();
+ }
+
+ @Override
+ public boolean lowerPriority(final PrioritisedExecutor.Priority priority) {
+ int failures = 0;
+ for (PrioritisedExecutor.Priority curr = this.getPriorityVolatile();;) {
+ if (curr == PrioritisedExecutor.Priority.COMPLETING) {
+ return false;
+ }
+
+ if (curr.isLowerOrEqualPriority(priority)) {
+ return false;
+ }
+
+ for (int i = 0; i < failures; ++i) {
+ ConcurrentUtil.backoff();
+ }
+
+ if (curr == (curr = this.compareAndExchangePriority(curr, priority))) {
+ this.updatePriorityInQueue();
+ return true;
+ }
+ ++failures;
+ }
+ }
+
+ @Override
+ public boolean setPriority(final PrioritisedExecutor.Priority priority) {
+ int failures = 0;
+ for (PrioritisedExecutor.Priority curr = this.getPriorityVolatile();;) {
+ if (curr == PrioritisedExecutor.Priority.COMPLETING) {
+ return false;
+ }
+
+ if (curr == priority) {
+ return false;
+ }
+
+ for (int i = 0; i < failures; ++i) {
+ ConcurrentUtil.backoff();
+ }
+
+ if (curr == (curr = this.compareAndExchangePriority(curr, priority))) {
+ this.updatePriorityInQueue();
+ return true;
+ }
+ ++failures;
+ }
+ }
+
+ @Override
+ public boolean raisePriority(final PrioritisedExecutor.Priority priority) {
+ int failures = 0;
+ for (PrioritisedExecutor.Priority curr = this.getPriorityVolatile();;) {
+ if (curr == PrioritisedExecutor.Priority.COMPLETING) {
+ return false;
+ }
+
+ if (curr.isHigherOrEqualPriority(priority)) {
+ return false;
+ }
+
+ for (int i = 0; i < failures; ++i) {
+ ConcurrentUtil.backoff();
+ }
+
+ if (curr == (curr = this.compareAndExchangePriority(curr, priority))) {
+ this.updatePriorityInQueue();
+ return true;
+ }
+ ++failures;
+ }
+ }
+
+ @Override
+ public boolean execute() {
+ return this.tryComplete(false);
+ }
+
+ @Override
+ public boolean cancel() {
+ return this.tryComplete(true);
+ }
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java b/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java
new file mode 100644
index 0000000000000000000000000000000000000000..e91df1496889b15041a297f243d7cfe7c78f1f6c
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java
@@ -0,0 +1,792 @@
+package io.papermc.paper.threadedregions;
+
+import com.destroystokyo.paper.util.maplist.ReferenceList;
+import com.destroystokyo.paper.util.misc.PlayerAreaMap;
+import com.destroystokyo.paper.util.misc.PooledLinkedHashSets;
+import com.mojang.logging.LogUtils;
+import io.papermc.paper.chunk.system.scheduling.ChunkHolderManager;
+import io.papermc.paper.util.CoordinateUtils;
+import io.papermc.paper.util.TickThread;
+import io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet;
+import io.papermc.paper.util.player.NearbyPlayers;
+import it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap;
+import it.unimi.dsi.fastutil.longs.Long2ReferenceMap;
+import it.unimi.dsi.fastutil.longs.Long2ReferenceOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet;
+import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet;
+import net.minecraft.CrashReport;
+import net.minecraft.ReportedException;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.Connection;
+import net.minecraft.network.PacketSendListener;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.MutableComponent;
+import net.minecraft.network.protocol.common.ClientboundDisconnectPacket;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
+import net.minecraft.util.VisibleForDebug;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.Mob;
+import net.minecraft.world.entity.ai.village.VillageSiege;
+import net.minecraft.world.entity.item.ItemEntity;
+import net.minecraft.world.level.BlockEventData;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.Explosion;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.NaturalSpawner;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.block.RedStoneWireBlock;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.entity.TickingBlockEntity;
+import net.minecraft.world.level.chunk.LevelChunk;
+import net.minecraft.world.level.material.Fluid;
+import net.minecraft.world.level.redstone.CollectingNeighborUpdater;
+import net.minecraft.world.level.redstone.NeighborUpdater;
+import net.minecraft.world.phys.AABB;
+import net.minecraft.world.ticks.LevelTicks;
+import org.bukkit.craftbukkit.block.CraftBlockState;
+import org.bukkit.craftbukkit.util.UnsafeList;
+import org.slf4j.Logger;
+import javax.annotation.Nullable;
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
+
+public final class RegionizedWorldData {
+
+ private static final Logger LOGGER = LogUtils.getLogger();
+
+ public static final RegionizedData.RegioniserCallback<RegionizedWorldData> REGION_CALLBACK = new RegionizedData.RegioniserCallback<>() {
+ @Override
+ public void merge(final RegionizedWorldData from, final RegionizedWorldData into, final long fromTickOffset) {
+ // connections
+ for (final Connection conn : from.connections) {
+ into.connections.add(conn);
+ }
+ // time
+ final long fromRedstoneTimeOffset = into.redstoneTime - from.redstoneTime;
+ // entities
+ for (final ServerPlayer player : from.localPlayers) {
+ into.localPlayers.add(player);
+ into.nearbyPlayers.addPlayer(player);
+ }
+ for (final Entity entity : from.allEntities) {
+ into.allEntities.add(entity);
+ entity.updateTicks(fromTickOffset, fromRedstoneTimeOffset);
+ }
+ for (final Entity entity : from.loadedEntities) {
+ into.loadedEntities.add(entity);
+ }
+ for (final Entity entity : from.toProcessTrackingUnloading) {
+ into.toProcessTrackingUnloading.add(entity);
+ }
+ for (final Iterator<Entity> iterator = from.entityTickList.unsafeIterator(); iterator.hasNext();) {
+ into.entityTickList.add(iterator.next());
+ }
+ for (final Iterator<Mob> iterator = from.navigatingMobs.unsafeIterator(); iterator.hasNext();) {
+ into.navigatingMobs.add(iterator.next());
+ }
+ // block ticking
+ into.blockEvents.addAll(from.blockEvents);
+ // ticklists use game time
+ from.blockLevelTicks.merge(into.blockLevelTicks, fromRedstoneTimeOffset);
+ from.fluidLevelTicks.merge(into.fluidLevelTicks, fromRedstoneTimeOffset);
+
+ // tile entity ticking
+ for (final TickingBlockEntity tileEntityWrapped : from.pendingBlockEntityTickers) {
+ into.pendingBlockEntityTickers.add(tileEntityWrapped);
+ final BlockEntity tileEntity = tileEntityWrapped.getTileEntity();
+ if (tileEntity != null) {
+ tileEntity.updateTicks(fromTickOffset, fromRedstoneTimeOffset);
+ }
+ }
+ for (final TickingBlockEntity tileEntityWrapped : from.blockEntityTickers) {
+ into.blockEntityTickers.add(tileEntityWrapped);
+ final BlockEntity tileEntity = tileEntityWrapped.getTileEntity();
+ if (tileEntity != null) {
+ tileEntity.updateTicks(fromTickOffset, fromRedstoneTimeOffset);
+ }
+ }
+
+ // ticking chunks
+ for (final Iterator<LevelChunk> iterator = from.entityTickingChunks.unsafeIterator(); iterator.hasNext();) {
+ into.entityTickingChunks.add(iterator.next());
+ }
+ for (final Iterator<LevelChunk> iterator = from.tickingChunks.unsafeIterator(); iterator.hasNext();) {
+ into.tickingChunks.add(iterator.next());
+ }
+ // redstone torches
+ if (from.redstoneUpdateInfos != null && !from.redstoneUpdateInfos.isEmpty()) {
+ if (into.redstoneUpdateInfos == null) {
+ into.redstoneUpdateInfos = new ArrayDeque<>();
+ }
+ for (final net.minecraft.world.level.block.RedstoneTorchBlock.Toggle info : from.redstoneUpdateInfos) {
+ info.offsetTime(fromRedstoneTimeOffset);
+ into.redstoneUpdateInfos.add(info);
+ }
+ }
+ // light chunks being worked on
+ into.chunksBeingWorkedOn.putAll(from.chunksBeingWorkedOn);
+ // mob spawning
+ into.catSpawnerNextTick = Math.max(from.catSpawnerNextTick, into.catSpawnerNextTick);
+ into.patrolSpawnerNextTick = Math.max(from.patrolSpawnerNextTick, into.patrolSpawnerNextTick);
+ into.phantomSpawnerNextTick = Math.max(from.phantomSpawnerNextTick, into.phantomSpawnerNextTick);
+ if (from.wanderingTraderTickDelay != Integer.MIN_VALUE && into.wanderingTraderTickDelay != Integer.MIN_VALUE) {
+ into.wanderingTraderTickDelay = Math.max(from.wanderingTraderTickDelay, into.wanderingTraderTickDelay);
+ into.wanderingTraderSpawnDelay = Math.max(from.wanderingTraderSpawnDelay, into.wanderingTraderSpawnDelay);
+ into.wanderingTraderSpawnChance = Math.max(from.wanderingTraderSpawnChance, into.wanderingTraderSpawnChance);
+ }
+ }
+
+ @Override
+ public void split(final RegionizedWorldData from, final int chunkToRegionShift,
+ final Long2ReferenceOpenHashMap<RegionizedWorldData> regionToData,
+ final ReferenceOpenHashSet<RegionizedWorldData> dataSet) {
+ // connections
+ for (final Connection conn : from.connections) {
+ final ServerPlayer player = conn.getPlayer();
+ final ChunkPos pos = player.chunkPosition();
+ // Note: It is impossible for an entity in the world to _not_ be in an entity chunk, which means
+ // the chunk holder must _exist_, and so the region section exists.
+ regionToData.get(CoordinateUtils.getChunkKey(pos.x >> chunkToRegionShift, pos.z >> chunkToRegionShift))
+ .connections.add(conn);
+ }
+ // entities
+ for (final ServerPlayer player : from.localPlayers) {
+ final ChunkPos pos = player.chunkPosition();
+ // Note: It is impossible for an entity in the world to _not_ be in an entity chunk, which means
+ // the chunk holder must _exist_, and so the region section exists.
+ final RegionizedWorldData into = regionToData.get(CoordinateUtils.getChunkKey(pos.x >> chunkToRegionShift, pos.z >> chunkToRegionShift));
+ into.localPlayers.add(player);
+ into.nearbyPlayers.addPlayer(player);
+ }
+ for (final Entity entity : from.allEntities) {
+ final ChunkPos pos = entity.chunkPosition();
+ // Note: It is impossible for an entity in the world to _not_ be in an entity chunk, which means
+ // the chunk holder must _exist_, and so the region section exists.
+ final RegionizedWorldData into = regionToData.get(CoordinateUtils.getChunkKey(pos.x >> chunkToRegionShift, pos.z >> chunkToRegionShift));
+ into.allEntities.add(entity);
+ // Note: entityTickList is a subset of allEntities
+ if (from.entityTickList.contains(entity)) {
+ into.entityTickList.add(entity);
+ }
+ // Note: loadedEntities is a subset of allEntities
+ if (from.loadedEntities.contains(entity)) {
+ into.loadedEntities.add(entity);
+ }
+ // Note: toProcessTrackingUnloading is not a subset of allEntities, but for the cases where it is not
+ // do not matter as the tracker removal is handled
+ if (from.toProcessTrackingUnloading.contains(entity)) {
+ into.toProcessTrackingUnloading.add(entity);
+ }
+ // Note: navigatingMobs is a subset of allEntities
+ if (entity instanceof Mob mob && from.navigatingMobs.contains(mob)) {
+ into.navigatingMobs.add(mob);
+ }
+ }
+ // block ticking
+ for (final BlockEventData blockEventData : from.blockEvents) {
+ final BlockPos pos = blockEventData.pos();
+ final int chunkX = pos.getX() >> 4;
+ final int chunkZ = pos.getZ() >> 4;
+
+ final RegionizedWorldData into = regionToData.get(CoordinateUtils.getChunkKey(chunkX >> chunkToRegionShift, chunkZ >> chunkToRegionShift));
+ // Unlike entities, the chunk holder is not guaranteed to exist for block events, because the block events
+ // is just some list. So if it unloads, I guess it's just lost.
+ if (into != null) {
+ into.blockEvents.add(blockEventData);
+ }
+ }
+
+ final Long2ReferenceOpenHashMap<LevelTicks<Block>> levelTicksBlockRegionData = new Long2ReferenceOpenHashMap<>(regionToData.size(), 0.75f);
+ final Long2ReferenceOpenHashMap<LevelTicks<Fluid>> levelTicksFluidRegionData = new Long2ReferenceOpenHashMap<>(regionToData.size(), 0.75f);
+
+ for (final Iterator<Long2ReferenceMap.Entry<RegionizedWorldData>> iterator = regionToData.long2ReferenceEntrySet().fastIterator();
+ iterator.hasNext();) {
+ final Long2ReferenceMap.Entry<RegionizedWorldData> entry = iterator.next();
+ final long key = entry.getLongKey();
+ final RegionizedWorldData worldData = entry.getValue();
+
+ levelTicksBlockRegionData.put(key, worldData.blockLevelTicks);
+ levelTicksFluidRegionData.put(key, worldData.fluidLevelTicks);
+ }
+
+ from.blockLevelTicks.split(chunkToRegionShift, levelTicksBlockRegionData);
+ from.fluidLevelTicks.split(chunkToRegionShift, levelTicksFluidRegionData);
+
+ // tile entity ticking
+ for (final TickingBlockEntity tileEntity : from.pendingBlockEntityTickers) {
+ final BlockPos pos = tileEntity.getPos();
+ final int chunkX = pos.getX() >> 4;
+ final int chunkZ = pos.getZ() >> 4;
+
+ final RegionizedWorldData into = regionToData.get(CoordinateUtils.getChunkKey(chunkX >> chunkToRegionShift, chunkZ >> chunkToRegionShift));
+ if (into != null) {
+ into.pendingBlockEntityTickers.add(tileEntity);
+ } // else: when a chunk unloads, it does not actually _remove_ the tile entity from the list, it just gets
+ // marked as removed. So if there is no section, it's probably removed!
+ }
+ for (final TickingBlockEntity tileEntity : from.blockEntityTickers) {
+ final BlockPos pos = tileEntity.getPos();
+ final int chunkX = pos.getX() >> 4;
+ final int chunkZ = pos.getZ() >> 4;
+
+ final RegionizedWorldData into = regionToData.get(CoordinateUtils.getChunkKey(chunkX >> chunkToRegionShift, chunkZ >> chunkToRegionShift));
+ if (into != null) {
+ into.blockEntityTickers.add(tileEntity);
+ } // else: when a chunk unloads, it does not actually _remove_ the tile entity from the list, it just gets
+ // marked as removed. So if there is no section, it's probably removed!
+ }
+ // time
+ for (final RegionizedWorldData regionizedWorldData : dataSet) {
+ regionizedWorldData.redstoneTime = from.redstoneTime;
+ }
+ // ticking chunks
+ for (final Iterator<LevelChunk> iterator = from.entityTickingChunks.unsafeIterator(); iterator.hasNext();) {
+ final LevelChunk levelChunk = iterator.next();
+ final ChunkPos pos = levelChunk.getPos();
+
+ // Impossible for get() to return null, as the chunk is entity ticking - thus the chunk holder is loaded
+ regionToData.get(CoordinateUtils.getChunkKey(pos.x >> chunkToRegionShift, pos.z >> chunkToRegionShift))
+ .entityTickingChunks.add(levelChunk);
+ }
+ for (final Iterator<LevelChunk> iterator = from.tickingChunks.unsafeIterator(); iterator.hasNext();) {
+ final LevelChunk levelChunk = iterator.next();
+ final ChunkPos pos = levelChunk.getPos();
+
+ // Impossible for get() to return null, as the chunk is entity ticking - thus the chunk holder is loaded
+ regionToData.get(CoordinateUtils.getChunkKey(pos.x >> chunkToRegionShift, pos.z >> chunkToRegionShift))
+ .tickingChunks.add(levelChunk);
+ }
+ // redstone torches
+ if (from.redstoneUpdateInfos != null && !from.redstoneUpdateInfos.isEmpty()) {
+ for (final net.minecraft.world.level.block.RedstoneTorchBlock.Toggle info : from.redstoneUpdateInfos) {
+ final BlockPos pos = info.pos;
+
+ final RegionizedWorldData worldData = regionToData.get(CoordinateUtils.getChunkKey((pos.getX() >> 4) >> chunkToRegionShift, (pos.getZ() >> 4) >> chunkToRegionShift));
+ if (worldData != null) {
+ if (worldData.redstoneUpdateInfos == null) {
+ worldData.redstoneUpdateInfos = new ArrayDeque<>();
+ }
+ worldData.redstoneUpdateInfos.add(info);
+ } // else: chunk unloaded
+ }
+ }
+ // light chunks being worked on
+ for (final Iterator<Long2IntOpenHashMap.Entry> iterator = from.chunksBeingWorkedOn.long2IntEntrySet().fastIterator(); iterator.hasNext();) {
+ final Long2IntOpenHashMap.Entry entry = iterator.next();
+ final long pos = entry.getLongKey();
+ final int chunkX = CoordinateUtils.getChunkX(pos);
+ final int chunkZ = CoordinateUtils.getChunkZ(pos);
+ final int value = entry.getIntValue();
+
+ // should never be null, as it is a reference counter for ticket
+ regionToData.get(CoordinateUtils.getChunkKey(chunkX >> chunkToRegionShift, chunkZ >> chunkToRegionShift)).chunksBeingWorkedOn.put(pos, value);
+ }
+ // mob spawning
+ for (final RegionizedWorldData regionizedWorldData : dataSet) {
+ regionizedWorldData.catSpawnerNextTick = from.catSpawnerNextTick;
+ regionizedWorldData.patrolSpawnerNextTick = from.patrolSpawnerNextTick;
+ regionizedWorldData.phantomSpawnerNextTick = from.phantomSpawnerNextTick;
+ regionizedWorldData.wanderingTraderTickDelay = from.wanderingTraderTickDelay;
+ regionizedWorldData.wanderingTraderSpawnChance = from.wanderingTraderSpawnChance;
+ regionizedWorldData.wanderingTraderSpawnDelay = from.wanderingTraderSpawnDelay;
+ regionizedWorldData.villageSiegeState = new VillageSiegeState(); // just re set it, as the spawn pos will be invalid
+ }
+ }
+ };
+
+ public final ServerLevel world;
+
+ private RegionizedServer.WorldLevelData tickData;
+
+ // connections
+ public final List<Connection> connections = new ArrayList<>();
+
+ // misc. fields
+ private boolean isHandlingTick;
+
+ public void setHandlingTick(final boolean to) {
+ this.isHandlingTick = to;
+ }
+
+ public boolean isHandlingTick() {
+ return this.isHandlingTick;
+ }
+
+ // entities
+ private final List<ServerPlayer> localPlayers = new ArrayList<>();
+ private final NearbyPlayers nearbyPlayers;
+ private final ReferenceList<Entity> allEntities = new ReferenceList<>();
+ private final ReferenceList<Entity> loadedEntities = new ReferenceList<>();
+ private final ReferenceList<Entity> toProcessTrackingUnloading = new ReferenceList<>();
+ private final IteratorSafeOrderedReferenceSet<Entity> entityTickList = new IteratorSafeOrderedReferenceSet<>();
+ private final IteratorSafeOrderedReferenceSet<Mob> navigatingMobs = new IteratorSafeOrderedReferenceSet<>();
+
+ // block ticking
+ private final ObjectLinkedOpenHashSet<BlockEventData> blockEvents = new ObjectLinkedOpenHashSet<>();
+ private final LevelTicks<Block> blockLevelTicks;
+ private final LevelTicks<Fluid> fluidLevelTicks;
+
+ // tile entity ticking
+ private final List<TickingBlockEntity> pendingBlockEntityTickers = new ArrayList<>();
+ private final List<TickingBlockEntity> blockEntityTickers = new ArrayList<>();
+ private boolean tickingBlockEntities;
+
+ // time
+ private long redstoneTime = 1L;
+
+ public long getRedstoneGameTime() {
+ return this.redstoneTime;
+ }
+
+ public void setRedstoneGameTime(final long to) {
+ this.redstoneTime = to;
+ }
+
+ // ticking chunks
+ private final IteratorSafeOrderedReferenceSet<LevelChunk> entityTickingChunks = new IteratorSafeOrderedReferenceSet<>();
+ private final IteratorSafeOrderedReferenceSet<LevelChunk> tickingChunks = new IteratorSafeOrderedReferenceSet<>();
+ private final IteratorSafeOrderedReferenceSet<LevelChunk> chunks = new IteratorSafeOrderedReferenceSet<>();
+
+ // Paper/CB api hook misc
+ // don't bother to merge/split these, no point
+ // From ServerLevel
+ public boolean hasPhysicsEvent = true; // Paper
+ public boolean hasEntityMoveEvent = false; // Paper
+ // Paper start - Optimize Hoppers
+ public boolean skipPullModeEventFire = false;
+ public boolean skipPushModeEventFire = false;
+ public boolean skipHopperEvents = false;
+ // Paper end - Optimize Hoppers
+ public long lastMidTickExecuteFailure;
+ public long lastMidTickExecute;
+ // From Level
+ public boolean populating;
+ public final NeighborUpdater neighborUpdater;
+ public boolean preventPoiUpdated = false; // CraftBukkit - SPIGOT-5710
+ public boolean captureBlockStates = false;
+ public boolean captureTreeGeneration = false;
+ public final Map<BlockPos, CraftBlockState> capturedBlockStates = new java.util.LinkedHashMap<>(); // Paper
+ public final Map<BlockPos, BlockEntity> capturedTileEntities = new java.util.LinkedHashMap<>(); // Paper
+ public List<ItemEntity> captureDrops;
+ // Paper start
+ public int wakeupInactiveRemainingAnimals;
+ public int wakeupInactiveRemainingFlying;
+ public int wakeupInactiveRemainingMonsters;
+ public int wakeupInactiveRemainingVillagers;
+ // Paper end
+ public final TempCollisionList<AABB> tempCollisionList = new TempCollisionList<>();
+ public final TempCollisionList<Entity> tempEntitiesList = new TempCollisionList<>();
+ public int currentPrimedTnt = 0; // Spigot
+ @Nullable
+ @VisibleForDebug
+ public NaturalSpawner.SpawnState lastSpawnState;
+ public boolean shouldSignal = true;
+ public final Map<Explosion.CacheKey, Float> explosionDensityCache = new HashMap<>(64, 0.25f);
+
+ // not transient
+ public java.util.ArrayDeque<net.minecraft.world.level.block.RedstoneTorchBlock.Toggle> redstoneUpdateInfos;
+ public final Long2IntOpenHashMap chunksBeingWorkedOn = new Long2IntOpenHashMap();
+
+ public static final class TempCollisionList<T> {
+ final UnsafeList<T> list = new UnsafeList<>(64);
+ boolean inUse;
+
+ public UnsafeList<T> get() {
+ if (this.inUse) {
+ return new UnsafeList<>(16);
+ }
+ this.inUse = true;
+ return this.list;
+ }
+
+ public void ret(List<T> list) {
+ if (list != this.list) {
+ return;
+ }
+
+ ((UnsafeList)list).setSize(0);
+ this.inUse = false;
+ }
+
+ public void reset() {
+ this.list.completeReset();
+ }
+ }
+ public void resetCollisionLists() {
+ this.tempCollisionList.reset();
+ this.tempEntitiesList.reset();
+ }
+
+ // Mob spawning
+ private final PooledLinkedHashSets<ServerPlayer> pooledHashSets = new PooledLinkedHashSets<>();
+ public final PlayerAreaMap mobSpawnMap = new PlayerAreaMap(this.pooledHashSets);
+ public int catSpawnerNextTick = 0;
+ public int patrolSpawnerNextTick = 0;
+ public int phantomSpawnerNextTick = 0;
+ public int wanderingTraderTickDelay = Integer.MIN_VALUE;
+ public int wanderingTraderSpawnDelay;
+ public int wanderingTraderSpawnChance;
+ public VillageSiegeState villageSiegeState = new VillageSiegeState();
+
+ public static final class VillageSiegeState {
+ public boolean hasSetupSiege;
+ public VillageSiege.State siegeState = VillageSiege.State.SIEGE_DONE;
+ public int zombiesToSpawn;
+ public int nextSpawnTime;
+ public int spawnX;
+ public int spawnY;
+ public int spawnZ;
+ }
+ // Redstone
+ public final alternate.current.wire.WireHandler wireHandler;
+ public final com.destroystokyo.paper.util.RedstoneWireTurbo turbo;
+
+ public RegionizedWorldData(final ServerLevel world) {
+ this.world = world;
+ this.blockLevelTicks = new LevelTicks<>(world::isPositionTickingWithEntitiesLoaded, world.getProfilerSupplier(), world, true);
+ this.fluidLevelTicks = new LevelTicks<>(world::isPositionTickingWithEntitiesLoaded, world.getProfilerSupplier(), world, false);
+ this.neighborUpdater = new CollectingNeighborUpdater(world, world.neighbourUpdateMax);
+ this.nearbyPlayers = new NearbyPlayers(world);
+ this.wireHandler = new alternate.current.wire.WireHandler(world);
+ this.turbo = new com.destroystokyo.paper.util.RedstoneWireTurbo((RedStoneWireBlock)Blocks.REDSTONE_WIRE);
+
+ // tasks may be drained before the region ticks, so we must set up the tick data early just in case
+ this.updateTickData();
+ }
+
+ public void checkWorld(final Level against) {
+ if (this.world != against) {
+ throw new IllegalStateException("World mismatch: expected " + this.world.getWorld().getName() + " but got " + (against == null ? "null" : against.getWorld().getName()));
+ }
+ }
+
+ public RegionizedServer.WorldLevelData getTickData() {
+ return this.tickData;
+ }
+
+ private long lagCompensationTick;
+
+ public long getLagCompensationTick() {
+ return this.lagCompensationTick;
+ }
+
+ public void updateTickData() {
+ this.tickData = this.world.tickData;
+ this.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
+ this.hasEntityMoveEvent = io.papermc.paper.event.entity.EntityMoveEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
+ this.skipHopperEvents = this.world.paperConfig().hopper.disableMoveEvent || org.bukkit.event.inventory.InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0; // Paper
+ // always subtract from server init so that the tick starts at zero, allowing us to cast to int without much worry
+ this.lagCompensationTick = (System.nanoTime() - MinecraftServer.SERVER_INIT) / TickRegionScheduler.TIME_BETWEEN_TICKS;
+ }
+
+ public NearbyPlayers getNearbyPlayers() {
+ return this.nearbyPlayers;
+ }
+
+ private static void cleanUpConnection(final Connection conn) {
+ // note: ALL connections HERE have a player
+ final ServerPlayer player = conn.getPlayer();
+ // now that the connection is removed, we can allow this region to die
+ player.serverLevel().chunkSource.removeTicketAtLevel(
+ ServerGamePacketListenerImpl.DISCONNECT_TICKET, player.connection.disconnectPos,
+ ChunkHolderManager.MAX_TICKET_LEVEL,
+ player.connection.disconnectTicketId
+ );
+ }
+
+ // connections
+ public void tickConnections() {
+ final List<Connection> connections = new ArrayList<>(this.connections);
+ Collections.shuffle(connections);
+ for (final Connection conn : connections) {
+ if (!conn.isConnected()) {
+ conn.handleDisconnection();
+ // global tick thread will not remove connections not owned by it, so we need to
+ RegionizedServer.getInstance().removeConnection(conn);
+ this.connections.remove(conn);
+ cleanUpConnection(conn);
+ continue;
+ }
+ if (!this.connections.contains(conn)) {
+ // removed by connection tick?
+ continue;
+ }
+
+ try {
+ conn.tick();
+ } catch (final Exception exception) {
+ if (conn.isMemoryConnection()) {
+ throw new ReportedException(CrashReport.forThrowable(exception, "Ticking memory connection"));
+ }
+
+ LOGGER.warn("Failed to handle packet for {}", conn.getLoggableAddress(MinecraftServer.getServer().logIPs()), exception);
+ MutableComponent ichatmutablecomponent = Component.literal("Internal server error");
+
+ conn.send(new ClientboundDisconnectPacket(ichatmutablecomponent), PacketSendListener.thenRun(() -> {
+ conn.disconnect(ichatmutablecomponent);
+ }));
+ conn.setReadOnly();
+ continue;
+ }
+ }
+ }
+
+ // entities hooks
+ public int getEntityCount() {
+ return this.allEntities.size();
+ }
+
+ public int getPlayerCount() {
+ return this.localPlayers.size();
+ }
+
+ public Iterable<Entity> getLocalEntities() {
+ return this.allEntities;
+ }
+
+ public Entity[] getLocalEntitiesCopy() {
+ return Arrays.copyOf(this.allEntities.getRawData(), this.allEntities.size(), Entity[].class);
+ }
+
+ public List<ServerPlayer> getLocalPlayers() {
+ return this.localPlayers;
+ }
+
+ public void addLoadedEntity(final Entity entity) {
+ if (this.loadedEntities.add(entity)) {
+ this.toProcessTrackingUnloading.remove(entity);
+ }
+ }
+
+ public boolean hasLoadedEntity(final Entity entity) {
+ return this.loadedEntities.contains(entity);
+ }
+
+ public void removeLoadedEntity(final Entity entity) {
+ if (this.loadedEntities.remove(entity)) {
+ this.toProcessTrackingUnloading.add(entity);
+ }
+ }
+
+ public Iterable<Entity> getLoadedEntities() {
+ return this.loadedEntities;
+ }
+
+ public Entity[] takeTrackingUnloads() {
+ final Entity[] ret = Arrays.copyOf(this.toProcessTrackingUnloading.getRawData(), this.toProcessTrackingUnloading.size(), Entity[].class);
+
+ this.toProcessTrackingUnloading.clear();
+
+ return ret;
+ }
+
+ public void addEntityTickingEntity(final Entity entity) {
+ if (!TickThread.isTickThreadFor(entity)) {
+ throw new IllegalArgumentException("Entity " + entity + " is not under this region's control");
+ }
+ this.entityTickList.add(entity);
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+
+ public boolean hasEntityTickingEntity(final Entity entity) {
+ return this.entityTickList.contains(entity);
+ }
+
+ public void removeEntityTickingEntity(final Entity entity) {
+ if (!TickThread.isTickThreadFor(entity)) {
+ throw new IllegalArgumentException("Entity " + entity + " is not under this region's control");
+ }
+ this.entityTickList.remove(entity);
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+
+ public void forEachTickingEntity(final Consumer<Entity> action) {
+ final IteratorSafeOrderedReferenceSet.Iterator<Entity> iterator = this.entityTickList.iterator();
+ try {
+ while (iterator.hasNext()) {
+ action.accept(iterator.next());
+ }
+ } finally {
+ iterator.finishedIterating();
+ }
+ }
+
+ public void addEntity(final Entity entity) {
+ if (!TickThread.isTickThreadFor(this.world, entity.chunkPosition())) {
+ throw new IllegalArgumentException("Entity " + entity + " is not under this region's control");
+ }
+ if (this.allEntities.add(entity)) {
+ if (entity instanceof ServerPlayer player) {
+ this.localPlayers.add(player);
+ this.nearbyPlayers.addPlayer(player);
+ }
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+ }
+
+ public boolean hasEntity(final Entity entity) {
+ return this.allEntities.contains(entity);
+ }
+
+ public void removeEntity(final Entity entity) {
+ if (!TickThread.isTickThreadFor(entity)) {
+ throw new IllegalArgumentException("Entity " + entity + " is not under this region's control");
+ }
+ if (this.allEntities.remove(entity)) {
+ if (entity instanceof ServerPlayer player) {
+ this.localPlayers.remove(player);
+ this.nearbyPlayers.removePlayer(player);
+ }
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+ }
+
+ public void addNavigatingMob(final Mob mob) {
+ if (!TickThread.isTickThreadFor(mob)) {
+ throw new IllegalArgumentException("Entity " + mob + " is not under this region's control");
+ }
+ this.navigatingMobs.add(mob);
+ }
+
+ public void removeNavigatingMob(final Mob mob) {
+ if (!TickThread.isTickThreadFor(mob)) {
+ throw new IllegalArgumentException("Entity " + mob + " is not under this region's control");
+ }
+ this.navigatingMobs.remove(mob);
+ }
+
+ public Iterator<Mob> getNavigatingMobs() {
+ return this.navigatingMobs.unsafeIterator();
+ }
+
+ // block ticking hooks
+ // Since block event data does not require chunk holders to be created for the chunk they reside in,
+ // it's not actually guaranteed that when merging / splitting data that we actually own the data...
+ // Note that we can only ever not own the event data when the chunk unloads, and so I've decided to
+ // make the code easier by simply discarding it in such an event
+ public void pushBlockEvent(final BlockEventData blockEventData) {
+ TickThread.ensureTickThread(this.world, blockEventData.pos(), "Cannot queue block even data async");
+ this.blockEvents.add(blockEventData);
+ }
+
+ public void pushBlockEvents(final Collection<? extends BlockEventData> blockEvents) {
+ for (final BlockEventData blockEventData : blockEvents) {
+ this.pushBlockEvent(blockEventData);
+ }
+ }
+
+ public void removeIfBlockEvents(final Predicate<? super BlockEventData> predicate) {
+ for (final Iterator<BlockEventData> iterator = this.blockEvents.iterator(); iterator.hasNext();) {
+ final BlockEventData blockEventData = iterator.next();
+ if (predicate.test(blockEventData)) {
+ iterator.remove();
+ }
+ }
+ }
+
+ public BlockEventData removeFirstBlockEvent() {
+ BlockEventData ret;
+ while (!this.blockEvents.isEmpty()) {
+ ret = this.blockEvents.removeFirst();
+ if (TickThread.isTickThreadFor(this.world, ret.pos())) {
+ return ret;
+ } // else: chunk must have been unloaded
+ }
+
+ return null;
+ }
+
+ public LevelTicks<Block> getBlockLevelTicks() {
+ return this.blockLevelTicks;
+ }
+
+ public LevelTicks<Fluid> getFluidLevelTicks() {
+ return this.fluidLevelTicks;
+ }
+
+ // tile entity ticking
+ public void addBlockEntityTicker(final TickingBlockEntity ticker) {
+ TickThread.ensureTickThread(this.world, ticker.getPos(), "Tile entity must be owned by current region");
+
+ (this.tickingBlockEntities ? this.pendingBlockEntityTickers : this.blockEntityTickers).add(ticker);
+ }
+
+ public void seTtickingBlockEntities(final boolean to) {
+ this.tickingBlockEntities = true;
+ }
+
+ public List<TickingBlockEntity> getBlockEntityTickers() {
+ return this.blockEntityTickers;
+ }
+
+ public void pushPendingTickingBlockEntities() {
+ if (!this.pendingBlockEntityTickers.isEmpty()) {
+ this.blockEntityTickers.addAll(this.pendingBlockEntityTickers);
+ this.pendingBlockEntityTickers.clear();
+ }
+ }
+
+ // ticking chunks
+ public void addEntityTickingChunk(final LevelChunk levelChunk) {
+ this.entityTickingChunks.add(levelChunk);
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+
+ public void removeEntityTickingChunk(final LevelChunk levelChunk) {
+ this.entityTickingChunks.remove(levelChunk);
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+
+ public IteratorSafeOrderedReferenceSet<LevelChunk> getEntityTickingChunks() {
+ return this.entityTickingChunks;
+ }
+
+ public void addTickingChunk(final LevelChunk levelChunk) {
+ this.tickingChunks.add(levelChunk);
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+
+ public void removeTickingChunk(final LevelChunk levelChunk) {
+ this.tickingChunks.remove(levelChunk);
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+
+ public IteratorSafeOrderedReferenceSet<LevelChunk> getTickingChunks() {
+ return this.tickingChunks;
+ }
+
+ public void addChunk(final LevelChunk levelChunk) {
+ this.chunks.add(levelChunk);
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+
+ public void removeChunk(final LevelChunk levelChunk) {
+ this.chunks.remove(levelChunk);
+ TickRegions.RegionStats.updateCurrentRegion();
+ }
+
+ public IteratorSafeOrderedReferenceSet<LevelChunk> getChunks() {
+ return this.chunks;
+ }
+
+ public int getEntityTickingChunkCount() {
+ return this.entityTickingChunks.size();
+ }
+
+ public int getChunkCount() {
+ return this.chunks.size();
+ }
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/Schedule.java b/src/main/java/io/papermc/paper/threadedregions/Schedule.java
new file mode 100644
index 0000000000000000000000000000000000000000..112d24a93bddf3d81c9176c05340c94ecd1a40a3
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/Schedule.java
@@ -0,0 +1,91 @@
+package io.papermc.paper.threadedregions;
+
+/**
+ * A Schedule is an object that can be used to maintain a periodic schedule for an event of interest.
+ */
+public final class Schedule {
+
+ private long lastPeriod;
+
+ /**
+ * Initialises a schedule with the provided period.
+ * @param firstPeriod The last time an event of interest occurred.
+ * @see #setLastPeriod(long)
+ */
+ public Schedule(final long firstPeriod) {
+ this.lastPeriod = firstPeriod;
+ }
+
+ /**
+ * Updates the last period to the specified value. This call sets the last "time" the event
+ * of interest took place at. Thus, the value returned by {@link #getDeadline(long)} is
+ * the provided time plus the period length provided to {@code getDeadline}.
+ * @param value The value to set the last period to.
+ */
+ public void setLastPeriod(final long value) {
+ this.lastPeriod = value;
+ }
+
+ /**
+ * Returns the last time the event of interest should have taken place.
+ */
+ public long getLastPeriod() {
+ return this.lastPeriod;
+ }
+
+ /**
+ * Returns the number of times the event of interest should have taken place between the last
+ * period and the provided time given the period between each event.
+ * @param periodLength The length of the period between events in ns.
+ * @param time The provided time.
+ */
+ public int getPeriodsAhead(final long periodLength, final long time) {
+ final long difference = time - this.lastPeriod;
+ final int ret = (int)(Math.abs(difference) / periodLength);
+ return difference >= 0 ? ret : -ret;
+ }
+
+ /**
+ * Returns the next starting deadline for the event of interest to take place,
+ * given the provided period length.
+ * @param periodLength The provided period length.
+ */
+ public long getDeadline(final long periodLength) {
+ return this.lastPeriod + periodLength;
+ }
+
+ /**
+ * Adjusts the last period so that the next starting deadline returned is the next period specified,
+ * given the provided period length.
+ * @param nextPeriod The specified next starting deadline.
+ * @param periodLength The specified period length.
+ */
+ public void setNextPeriod(final long nextPeriod, final long periodLength) {
+ this.lastPeriod = nextPeriod - periodLength;
+ }
+
+ /**
+ * Increases the last period by the specified number of periods and period length.
+ * The specified number of periods may be < 0, in which case the last period
+ * will decrease.
+ * @param periods The specified number of periods.
+ * @param periodLength The specified period length.
+ */
+ public void advanceBy(final int periods, final long periodLength) {
+ this.lastPeriod += (long)periods * periodLength;
+ }
+
+ /**
+ * Sets the last period so that it is the specified number of periods ahead
+ * given the specified time and period length.
+ * @param periodsToBeAhead Specified number of periods to be ahead by.
+ * @param periodLength The specified period length.
+ * @param time The specified time.
+ */
+ public void setPeriodsAhead(final int periodsToBeAhead, final long periodLength, final long time) {
+ final int periodsAhead = this.getPeriodsAhead(periodLength, time);
+ final int periodsToAdd = periodsToBeAhead - periodsAhead;
+
+ this.lastPeriod -= (long)periodsToAdd * periodLength;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/TeleportUtils.java b/src/main/java/io/papermc/paper/threadedregions/TeleportUtils.java
new file mode 100644
index 0000000000000000000000000000000000000000..7b31c4ea6d01f936271bdadc3626201dcf32a683
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/TeleportUtils.java
@@ -0,0 +1,70 @@
+package io.papermc.paper.threadedregions;
+
+import ca.spottedleaf.concurrentutil.completable.Completable;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.phys.Vec3;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import java.util.function.Consumer;
+
+public final class TeleportUtils {
+
+ public static void teleport(final Entity from, final boolean useFromRootVehicle, final Entity to, final Float yaw, final Float pitch,
+ final long teleportFlags, final PlayerTeleportEvent.TeleportCause cause, final Consumer<Entity> onComplete) {
+ // retrieve coordinates
+ final Completable<Location> positionCompletable = new Completable<>();
+
+ positionCompletable.addWaiter(
+ (final Location loc, final Throwable thr) -> {
+ if (loc == null) {
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ return;
+ }
+ final boolean scheduled = from.getBukkitEntity().taskScheduler.schedule(
+ (final Entity realFrom) -> {
+ final Vec3 pos = new Vec3(
+ loc.getX(), loc.getY(), loc.getZ()
+ );
+ (useFromRootVehicle ? realFrom.getRootVehicle() : realFrom).teleportAsync(
+ ((CraftWorld)loc.getWorld()).getHandle(), pos, null, null, null,
+ cause, teleportFlags, onComplete
+ );
+ },
+ (final Entity retired) -> {
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ },
+ 1L
+ );
+ if (!scheduled) {
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ }
+ }
+ );
+
+ final boolean scheduled = to.getBukkitEntity().taskScheduler.schedule(
+ (final Entity target) -> {
+ positionCompletable.complete(target.getBukkitEntity().getLocation());
+ },
+ (final Entity retired) -> {
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ },
+ 1L
+ );
+ if (!scheduled) {
+ if (onComplete != null) {
+ onComplete.accept(null);
+ }
+ }
+ }
+
+ private TeleportUtils() {}
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/ThreadedRegionizer.java b/src/main/java/io/papermc/paper/threadedregions/ThreadedRegionizer.java
new file mode 100644
index 0000000000000000000000000000000000000000..531aa50f2c84e13358e8918bb0c15ea3cd036cb5
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/ThreadedRegionizer.java
@@ -0,0 +1,1405 @@
+package io.papermc.paper.threadedregions;
+
+import ca.spottedleaf.concurrentutil.map.SWMRLong2ObjectHashTable;
+import ca.spottedleaf.concurrentutil.util.ConcurrentUtil;
+import com.destroystokyo.paper.util.SneakyThrow;
+import com.mojang.logging.LogUtils;
+import io.papermc.paper.util.CoordinateUtils;
+import it.unimi.dsi.fastutil.longs.Long2ReferenceOpenHashMap;
+import it.unimi.dsi.fastutil.longs.LongArrayList;
+import it.unimi.dsi.fastutil.longs.LongComparator;
+import it.unimi.dsi.fastutil.longs.LongIterator;
+import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.level.ChunkPos;
+import org.slf4j.Logger;
+import java.lang.invoke.VarHandle;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.locks.StampedLock;
+import java.util.function.BooleanSupplier;
+import java.util.function.Consumer;
+
+public final class ThreadedRegionizer<R extends ThreadedRegionizer.ThreadedRegionData<R, S>, S extends ThreadedRegionizer.ThreadedRegionSectionData> {
+
+ private static final Logger LOGGER = LogUtils.getLogger();
+
+ public final int regionSectionChunkSize;
+ public final int sectionChunkShift;
+ public final int minSectionRecalcCount;
+ public final int emptySectionCreateRadius;
+ public final int regionSectionMergeRadius;
+ public final double maxDeadRegionPercent;
+ public final ServerLevel world;
+
+ private final SWMRLong2ObjectHashTable<ThreadedRegionSection<R, S>> sections = new SWMRLong2ObjectHashTable<>();
+ private final SWMRLong2ObjectHashTable<ThreadedRegion<R, S>> regionsById = new SWMRLong2ObjectHashTable<>();
+ private final RegionCallbacks<R, S> callbacks;
+ private final StampedLock regionLock = new StampedLock();
+ private Thread writeLockOwner;
+
+ /*
+ static final record Operation(String type, int chunkX, int chunkZ) {}
+ private final MultiThreadedQueue<Operation> ops = new MultiThreadedQueue<>();
+ */
+
+ /*
+ * See REGION_LOGIC.md for complete details on what this class is doing
+ */
+
+ public ThreadedRegionizer(final int minSectionRecalcCount, final double maxDeadRegionPercent,
+ final int emptySectionCreateRadius, final int regionSectionMergeRadius,
+ final int regionSectionChunkShift, final ServerLevel world,
+ final RegionCallbacks<R, S> callbacks) {
+ if (emptySectionCreateRadius <= 0) {
+ throw new IllegalStateException("Region section create radius must be > 0");
+ }
+ if (regionSectionMergeRadius <= 0) {
+ throw new IllegalStateException("Region section merge radius must be > 0");
+ }
+ this.regionSectionChunkSize = 1 << regionSectionChunkShift;
+ this.sectionChunkShift = regionSectionChunkShift;
+ this.minSectionRecalcCount = Math.max(2, minSectionRecalcCount);
+ this.maxDeadRegionPercent = maxDeadRegionPercent;
+ this.emptySectionCreateRadius = emptySectionCreateRadius;
+ this.regionSectionMergeRadius = regionSectionMergeRadius;
+ this.world = world;
+ this.callbacks = callbacks;
+ //this.loadTestData();
+ }
+
+ /*
+ private static String substr(String val, String prefix, int from) {
+ int idx = val.indexOf(prefix, from) + prefix.length();
+ int idx2 = val.indexOf(',', idx);
+ if (idx2 == -1) {
+ idx2 = val.indexOf(']', idx);
+ }
+ return val.substring(idx, idx2);
+ }
+
+ private void loadTestData() {
+ if (true) {
+ return;
+ }
+ try {
+ final JsonArray arr = JsonParser.parseReader(new FileReader("test.json")).getAsJsonArray();
+
+ List<Operation> ops = new ArrayList<>();
+
+ for (JsonElement elem : arr) {
+ JsonObject obj = elem.getAsJsonObject();
+ String val = obj.get("value").getAsString();
+
+ String type = substr(val, "type=", 0);
+ String x = substr(val, "chunkX=", 0);
+ String z = substr(val, "chunkZ=", 0);
+
+ ops.add(new Operation(type, Integer.parseInt(x), Integer.parseInt(z)));
+ }
+
+ for (Operation op : ops) {
+ switch (op.type) {
+ case "add": {
+ this.addChunk(op.chunkX, op.chunkZ);
+ break;
+ }
+ case "remove": {
+ this.removeChunk(op.chunkX, op.chunkZ);
+ break;
+ }
+ case "mark_ticking": {
+ this.sections.get(CoordinateUtils.getChunkKey(op.chunkX, op.chunkZ)).region.tryMarkTicking();
+ break;
+ }
+ case "rel_region": {
+ if (this.sections.get(CoordinateUtils.getChunkKey(op.chunkX, op.chunkZ)).region.state == ThreadedRegion.STATE_TICKING) {
+ this.sections.get(CoordinateUtils.getChunkKey(op.chunkX, op.chunkZ)).region.markNotTicking();
+ }
+ break;
+ }
+ }
+ }
+
+ } catch (final Exception ex) {
+ throw new IllegalStateException(ex);
+ }
+ }
+ */
+
+ public void acquireReadLock() {
+ this.regionLock.readLock();
+ }
+
+ public void releaseReadLock() {
+ this.regionLock.tryUnlockRead();
+ }
+
+ private void acquireWriteLock() {
+ final Thread currentThread = Thread.currentThread();
+ if (this.writeLockOwner == currentThread) {
+ throw new IllegalStateException("Cannot recursively operate in the regioniser");
+ }
+ this.regionLock.writeLock();
+ this.writeLockOwner = currentThread;
+ }
+
+ private void releaseWriteLock() {
+ this.writeLockOwner = null;
+ this.regionLock.tryUnlockWrite();
+ }
+
+ private void onRegionCreate(final ThreadedRegion<R, S> region) {
+ final ThreadedRegion<R, S> conflict;
+ if ((conflict = this.regionsById.putIfAbsent(region.id, region)) != null) {
+ throw new IllegalStateException("Region " + region + " is already mapped to " + conflict);
+ }
+ }
+
+ private void onRegionDestroy(final ThreadedRegion<R, S> region) {
+ final ThreadedRegion<R, S> removed = this.regionsById.remove(region.id);
+ if (removed != region) {
+ throw new IllegalStateException("Expected to remove " + region + ", but removed " + removed);
+ }
+ }
+
+ public int getSectionCoordinate(final int chunkCoordinate) {
+ return chunkCoordinate >> this.sectionChunkShift;
+ }
+
+ public long getSectionKey(final BlockPos pos) {
+ return CoordinateUtils.getChunkKey((pos.getX() >> 4) >> this.sectionChunkShift, (pos.getZ() >> 4) >> this.sectionChunkShift);
+ }
+
+ public long getSectionKey(final ChunkPos pos) {
+ return CoordinateUtils.getChunkKey(pos.x >> this.sectionChunkShift, pos.z >> this.sectionChunkShift);
+ }
+
+ public long getSectionKey(final Entity entity) {
+ final ChunkPos pos = entity.chunkPosition();
+ return CoordinateUtils.getChunkKey(pos.x >> this.sectionChunkShift, pos.z >> this.sectionChunkShift);
+ }
+
+ public void computeForAllRegions(final Consumer<? super ThreadedRegion<R, S>> consumer) {
+ this.regionLock.readLock();
+ try {
+ this.regionsById.forEachValue(consumer);
+ } finally {
+ this.regionLock.tryUnlockRead();
+ }
+ }
+
+ public void computeForAllRegionsUnsynchronised(final Consumer<? super ThreadedRegion<R, S>> consumer) {
+ this.regionsById.forEachValue(consumer);
+ }
+
+ public int computeForRegions(final int fromChunkX, final int fromChunkZ, final int toChunkX, final int toChunkZ,
+ final Consumer<Set<ThreadedRegion<R, S>>> consumer) {
+ final int shift = this.sectionChunkShift;
+ final int fromSectionX = fromChunkX >> shift;
+ final int fromSectionZ = fromChunkZ >> shift;
+ final int toSectionX = toChunkX >> shift;
+ final int toSectionZ = toChunkZ >> shift;
+ this.acquireWriteLock();
+ try {
+ final ReferenceOpenHashSet<ThreadedRegion<R, S>> set = new ReferenceOpenHashSet<>();
+
+ for (int currZ = fromSectionZ; currZ <= toSectionZ; ++currZ) {
+ for (int currX = fromSectionX; currX <= toSectionX; ++currX) {
+ final ThreadedRegionSection<R, S> section = this.sections.get(CoordinateUtils.getChunkKey(currX, currZ));
+ if (section != null) {
+ set.add(section.getRegionPlain());
+ }
+ }
+ }
+
+ consumer.accept(set);
+
+ return set.size();
+ } finally {
+ this.releaseWriteLock();
+ }
+ }
+
+ public ThreadedRegion<R, S> getRegionAtUnsynchronised(final int chunkX, final int chunkZ) {
+ final int sectionX = chunkX >> this.sectionChunkShift;
+ final int sectionZ = chunkZ >> this.sectionChunkShift;
+ final long sectionKey = CoordinateUtils.getChunkKey(sectionX, sectionZ);
+
+ final ThreadedRegionSection<R, S> section = this.sections.get(sectionKey);
+
+ return section == null ? null : section.getRegion();
+ }
+
+ public ThreadedRegion<R, S> getRegionAtSynchronised(final int chunkX, final int chunkZ) {
+ final int sectionX = chunkX >> this.sectionChunkShift;
+ final int sectionZ = chunkZ >> this.sectionChunkShift;
+ final long sectionKey = CoordinateUtils.getChunkKey(sectionX, sectionZ);
+
+ // try an optimistic read
+ {
+ final long readAttempt = this.regionLock.tryOptimisticRead();
+ final ThreadedRegionSection<R, S> optimisticSection = this.sections.get(sectionKey);
+ final ThreadedRegion<R, S> optimisticRet =
+ optimisticSection == null ? null : optimisticSection.getRegionPlain();
+ if (this.regionLock.validate(readAttempt)) {
+ return optimisticRet;
+ }
+ }
+
+ // failed, fall back to acquiring the lock
+ this.regionLock.readLock();
+ try {
+ final ThreadedRegionSection<R, S> section = this.sections.get(sectionKey);
+
+ return section == null ? null : section.getRegionPlain();
+ } finally {
+ this.regionLock.tryUnlockRead();
+ }
+ }
+
+ /**
+ * Adds a chunk to the regioniser. Note that it is illegal to add a chunk unless
+ * addChunk has not been called for it or removeChunk has been previously called.
+ *
+ * <p>
+ * Note that it is illegal to additionally call addChunk or removeChunk for the same
+ * region section in parallel.
+ * </p>
+ */
+ public void addChunk(final int chunkX, final int chunkZ) {
+ final int sectionX = chunkX >> this.sectionChunkShift;
+ final int sectionZ = chunkZ >> this.sectionChunkShift;
+ final long sectionKey = CoordinateUtils.getChunkKey(sectionX, sectionZ);
+
+ // Given that for each section, no addChunk/removeChunk can occur in parallel,
+ // we can avoid the lock IF the section exists AND it has a non-zero chunk count.
+ {
+ final ThreadedRegionSection<R, S> existing = this.sections.get(sectionKey);
+ if (existing != null && !existing.isEmpty()) {
+ existing.addChunk(chunkX, chunkZ);
+ return;
+ } // else: just acquire the write lock
+ }
+
+ this.acquireWriteLock();
+ try {
+ ThreadedRegionSection<R, S> section = this.sections.get(sectionKey);
+
+ List<ThreadedRegionSection<R, S>> newSections = new ArrayList<>();
+
+ if (section == null) {
+ // no section at all
+ section = new ThreadedRegionSection<>(sectionX, sectionZ, this, chunkX, chunkZ);
+ this.sections.put(sectionKey, section);
+ newSections.add(section);
+ } else {
+ section.addChunk(chunkX, chunkZ);
+ }
+ // due to the fast check from above, we know the section is empty whether we needed to create it or not
+
+ // enforce the adjacency invariant by creating / updating neighbour sections
+ final int createRadius = this.emptySectionCreateRadius;
+ final int searchRadius = createRadius + this.regionSectionMergeRadius;
+ ReferenceOpenHashSet<ThreadedRegion<R, S>> nearbyRegions = null;
+ for (int dx = -searchRadius; dx <= searchRadius; ++dx) {
+ for (int dz = -searchRadius; dz <= searchRadius; ++dz) {
+ if ((dx | dz) == 0) {
+ continue;
+ }
+ final int squareDistance = Math.max(Math.abs(dx), Math.abs(dz));
+ final boolean inCreateRange = squareDistance <= createRadius;
+
+ final int neighbourX = dx + sectionX;
+ final int neighbourZ = dz + sectionZ;
+ final long neighbourKey = CoordinateUtils.getChunkKey(neighbourX, neighbourZ);
+
+ ThreadedRegionSection<R, S> neighbourSection = this.sections.get(neighbourKey);
+
+ if (neighbourSection != null) {
+ if (nearbyRegions == null) {
+ nearbyRegions = new ReferenceOpenHashSet<>(((searchRadius * 2 + 1) * (searchRadius * 2 + 1)) >> 1);
+ }
+ nearbyRegions.add(neighbourSection.getRegionPlain());
+ }
+
+ if (!inCreateRange) {
+ continue;
+ }
+
+ // we need to ensure the section exists
+ if (neighbourSection != null) {
+ // nothing else to do
+ neighbourSection.incrementNonEmptyNeighbours();
+ continue;
+ }
+ neighbourSection = new ThreadedRegionSection<>(neighbourX, neighbourZ, this, 1);
+ if (null != this.sections.put(neighbourKey, neighbourSection)) {
+ throw new IllegalStateException("Failed to insert new section");
+ }
+ newSections.add(neighbourSection);
+ }
+ }
+
+ if (newSections.isEmpty()) {
+ // if we didn't add any sections, then we don't need to merge any regions or create a region
+ return;
+ }
+
+ final ThreadedRegion<R, S> regionOfInterest;
+ final boolean regionOfInterestAlive;
+ if (nearbyRegions == null) {
+ // we can simply create a new region, don't have neighbours to worry about merging into
+ regionOfInterest = new ThreadedRegion<>(this);
+ regionOfInterestAlive = true;
+
+ for (int i = 0, len = newSections.size(); i < len; ++i) {
+ regionOfInterest.addSection(newSections.get(i));
+ }
+
+ // only call create callback after adding sections
+ regionOfInterest.onCreate();
+ } else {
+ // need to merge the regions
+ ThreadedRegion<R, S> firstUnlockedRegion = null;
+
+ for (final ThreadedRegion<R, S> region : nearbyRegions) {
+ if (region.isTicking()) {
+ continue;
+ }
+ firstUnlockedRegion = region;
+ if (firstUnlockedRegion.state == ThreadedRegion.STATE_READY && (!firstUnlockedRegion.mergeIntoLater.isEmpty() || !firstUnlockedRegion.expectingMergeFrom.isEmpty())) {
+ throw new IllegalStateException("Illegal state for unlocked region " + firstUnlockedRegion);
+ }
+ break;
+ }
+
+ if (firstUnlockedRegion != null) {
+ regionOfInterest = firstUnlockedRegion;
+ } else {
+ regionOfInterest = new ThreadedRegion<>(this);
+ }
+
+ for (int i = 0, len = newSections.size(); i < len; ++i) {
+ regionOfInterest.addSection(newSections.get(i));
+ }
+
+ // only call create callback after adding sections
+ if (firstUnlockedRegion == null) {
+ regionOfInterest.onCreate();
+ }
+
+ if (firstUnlockedRegion != null && nearbyRegions.size() == 1) {
+ // nothing to do further, no need to merge anything
+ return;
+ }
+
+ // we need to now tell all the other regions to merge into the region we just created,
+ // and to merge all the ones we can immediately
+
+ for (final ThreadedRegion<R, S> region : nearbyRegions) {
+ if (region == regionOfInterest) {
+ continue;
+ }
+
+ if (!region.killAndMergeInto(regionOfInterest)) {
+ // note: the region may already be a merge target
+ regionOfInterest.mergeIntoLater(region);
+ }
+ }
+
+ if (firstUnlockedRegion != null && firstUnlockedRegion.state == ThreadedRegion.STATE_READY) {
+ // we need to retire this region if the merges added other pending merges
+ if (!firstUnlockedRegion.mergeIntoLater.isEmpty() || !firstUnlockedRegion.expectingMergeFrom.isEmpty()) {
+ firstUnlockedRegion.state = ThreadedRegion.STATE_TRANSIENT;
+ this.callbacks.onRegionInactive(firstUnlockedRegion);
+ }
+ }
+
+ // need to set alive if we created it and there are no pending merges
+ regionOfInterestAlive = firstUnlockedRegion == null && regionOfInterest.mergeIntoLater.isEmpty() && regionOfInterest.expectingMergeFrom.isEmpty();
+ }
+
+ if (regionOfInterestAlive) {
+ regionOfInterest.state = ThreadedRegion.STATE_READY;
+ if (!regionOfInterest.mergeIntoLater.isEmpty() || !regionOfInterest.expectingMergeFrom.isEmpty()) {
+ throw new IllegalStateException("Should not happen on region " + this);
+ }
+ this.callbacks.onRegionActive(regionOfInterest);
+ }
+
+ if (regionOfInterest.state == ThreadedRegion.STATE_READY) {
+ if (!regionOfInterest.mergeIntoLater.isEmpty() || !regionOfInterest.expectingMergeFrom.isEmpty()) {
+ throw new IllegalStateException("Should not happen on region " + this);
+ }
+ }
+ } catch (final Throwable throwable) {
+ LOGGER.error("Failed to add chunk (" + chunkX + "," + chunkZ + ")", throwable);
+ SneakyThrow.sneaky(throwable);
+ return; // unreachable
+ } finally {
+ this.releaseWriteLock();
+ }
+ }
+
+ public void removeChunk(final int chunkX, final int chunkZ) {
+ final int sectionX = chunkX >> this.sectionChunkShift;
+ final int sectionZ = chunkZ >> this.sectionChunkShift;
+ final long sectionKey = CoordinateUtils.getChunkKey(sectionX, sectionZ);
+
+ // Given that for each section, no addChunk/removeChunk can occur in parallel,
+ // we can avoid the lock IF the section exists AND it has a chunk count > 1
+ final ThreadedRegionSection<R, S> section = this.sections.get(sectionKey);
+ if (section == null) {
+ throw new IllegalStateException("Chunk (" + chunkX + "," + chunkZ + ") has no section");
+ }
+ if (!section.hasOnlyOneChunk()) {
+ // chunk will not go empty, so we don't need to acquire the lock
+ section.removeChunk(chunkX, chunkZ);
+ return;
+ }
+
+ this.acquireWriteLock();
+ try {
+ section.removeChunk(chunkX, chunkZ);
+
+ final int searchRadius = this.emptySectionCreateRadius;
+ for (int dx = -searchRadius; dx <= searchRadius; ++dx) {
+ for (int dz = -searchRadius; dz <= searchRadius; ++dz) {
+ if ((dx | dz) == 0) {
+ continue;
+ }
+
+ final int neighbourX = dx + sectionX;
+ final int neighbourZ = dz + sectionZ;
+ final long neighbourKey = CoordinateUtils.getChunkKey(neighbourX, neighbourZ);
+
+ final ThreadedRegionSection<R, S> neighbourSection = this.sections.get(neighbourKey);
+
+ // should be non-null here always
+ neighbourSection.decrementNonEmptyNeighbours();
+ }
+ }
+ } catch (final Throwable throwable) {
+ LOGGER.error("Failed to add chunk (" + chunkX + "," + chunkZ + ")", throwable);
+ SneakyThrow.sneaky(throwable);
+ return; // unreachable
+ } finally {
+ this.releaseWriteLock();
+ }
+ }
+
+ // must hold regionLock
+ private void onRegionRelease(final ThreadedRegion<R, S> region) {
+ if (!region.mergeIntoLater.isEmpty()) {
+ throw new IllegalStateException("Region " + region + " should not have any regions to merge into!");
+ }
+
+ final boolean hasExpectingMerges = !region.expectingMergeFrom.isEmpty();
+
+ // is this region supposed to merge into any other region?
+ if (hasExpectingMerges) {
+ // merge the regions into this one
+ final ReferenceOpenHashSet<ThreadedRegion<R, S>> expectingMergeFrom = region.expectingMergeFrom.clone();
+ for (final ThreadedRegion<R, S> mergeFrom : expectingMergeFrom) {
+ if (!mergeFrom.killAndMergeInto(region)) {
+ throw new IllegalStateException("Merge from region " + mergeFrom + " should be killable! Trying to merge into " + region);
+ }
+ }
+
+ if (!region.expectingMergeFrom.isEmpty()) {
+ throw new IllegalStateException("Region " + region + " should no longer have merge requests after mering from " + expectingMergeFrom);
+ }
+
+ if (!region.mergeIntoLater.isEmpty()) {
+ // There is another nearby ticking region that we need to merge into
+ region.state = ThreadedRegion.STATE_TRANSIENT;
+ this.callbacks.onRegionInactive(region);
+ // return to avoid removing dead sections or splitting, these actions will be performed
+ // by the region we merge into
+ return;
+ }
+ }
+
+ // now check whether we need to recalculate regions
+ final boolean removeDeadSections = hasExpectingMerges || region.hasNoAliveSections()
+ || (region.sectionByKey.size() >= this.minSectionRecalcCount && region.getDeadSectionPercent() >= this.maxDeadRegionPercent);
+ final boolean removedDeadSections = removeDeadSections && !region.deadSections.isEmpty();
+ if (removeDeadSections) {
+ // kill dead sections
+ for (final ThreadedRegionSection<R, S> deadSection : region.deadSections) {
+ final long key = CoordinateUtils.getChunkKey(deadSection.sectionX, deadSection.sectionZ);
+
+ if (!deadSection.isEmpty()) {
+ throw new IllegalStateException("Dead section '" + deadSection.toStringWithRegion() + "' is marked dead but has chunks!");
+ }
+ if (deadSection.hasNonEmptyNeighbours()) {
+ throw new IllegalStateException("Dead section '" + deadSection.toStringWithRegion() + "' is marked dead but has non-empty neighbours!");
+ }
+ if (!region.sectionByKey.remove(key, deadSection)) {
+ throw new IllegalStateException("Region " + region + " has inconsistent state, it should contain section " + deadSection);
+ }
+ if (this.sections.remove(key) != deadSection) {
+ throw new IllegalStateException("Cannot remove dead section '" +
+ deadSection.toStringWithRegion() + "' from section state! State at section coordinate: " + this.sections.get(key));
+ }
+ }
+ region.deadSections.clear();
+ }
+
+ // if we removed dead sections, we should check if the region can be split into smaller ones
+ // otherwise, the region remains alive
+ if (!removedDeadSections) {
+ // didn't remove dead sections, don't check for split
+ region.state = ThreadedRegion.STATE_READY;
+ if (!region.expectingMergeFrom.isEmpty() || !region.mergeIntoLater.isEmpty()) {
+ throw new IllegalStateException("Illegal state " + region);
+ }
+ return;
+ }
+
+ // first, we need to build copy of coordinate->section map of all sections in recalculate
+ final Long2ReferenceOpenHashMap<ThreadedRegionSection<R, S>> recalculateSections = region.sectionByKey.clone();
+
+ if (recalculateSections.isEmpty()) {
+ // looks like the region's sections were all dead, and now there is no region at all
+ region.state = ThreadedRegion.STATE_DEAD;
+ region.onRemove(true);
+ return;
+ }
+
+ // merge radius is max, since recalculateSections includes the dead or empty sections
+ final int mergeRadius = Math.max(this.regionSectionMergeRadius, this.emptySectionCreateRadius);
+
+ final List<List<ThreadedRegionSection<R, S>>> newRegions = new ArrayList<>();
+ while (!recalculateSections.isEmpty()) {
+ // select any section, then BFS around it to find all of its neighbours to form a region
+ // once no more neighbours are found, the region is complete
+ final List<ThreadedRegionSection<R, S>> currRegion = new ArrayList<>();
+ final Iterator<ThreadedRegionSection<R, S>> firstIterator = recalculateSections.values().iterator();
+
+ currRegion.add(firstIterator.next());
+ firstIterator.remove();
+ search_loop:
+ for (int idx = 0; idx < currRegion.size(); ++idx) {
+ final ThreadedRegionSection<R, S> curr = currRegion.get(idx);
+ final int centerX = curr.sectionX;
+ final int centerZ = curr.sectionZ;
+
+ // find neighbours in radius
+ for (int dz = -mergeRadius; dz <= mergeRadius; ++dz) {
+ for (int dx = -mergeRadius; dx <= mergeRadius; ++dx) {
+ if ((dx | dz) == 0) {
+ continue;
+ }
+
+ final ThreadedRegionSection<R, S> section = recalculateSections.remove(CoordinateUtils.getChunkKey(dx + centerX, dz + centerZ));
+ if (section == null) {
+ continue;
+ }
+
+ currRegion.add(section);
+
+ if (recalculateSections.isEmpty()) {
+ // no point in searching further
+ break search_loop;
+ }
+ }
+ }
+ }
+
+ newRegions.add(currRegion);
+ }
+
+ // now we have split the regions into separate parts, we can split recalculate
+
+ if (newRegions.size() == 1) {
+ // no need to split anything, we're done here
+ region.state = ThreadedRegion.STATE_READY;
+ if (!region.expectingMergeFrom.isEmpty() || !region.mergeIntoLater.isEmpty()) {
+ throw new IllegalStateException("Illegal state " + region);
+ }
+ return;
+ }
+
+ final List<ThreadedRegion<R, S>> newRegionObjects = new ArrayList<>(newRegions.size());
+ for (int i = 0, len = newRegions.size(); i < len; ++i) {
+ newRegionObjects.add(new ThreadedRegion<>(this));
+ }
+
+ this.callbacks.preSplit(region, newRegionObjects);
+
+ // need to split the region, so we need to kill the old one first
+ region.state = ThreadedRegion.STATE_DEAD;
+ region.onRemove(true);
+
+ // create new regions
+ final Long2ReferenceOpenHashMap<ThreadedRegion<R, S>> newRegionsMap = new Long2ReferenceOpenHashMap<>();
+ final ReferenceOpenHashSet<ThreadedRegion<R, S>> newRegionsSet = new ReferenceOpenHashSet<>(newRegionObjects);
+
+ for (int i = 0, len = newRegions.size(); i < len; i++) {
+ final List<ThreadedRegionSection<R, S>> sections = newRegions.get(i);
+ final ThreadedRegion<R, S> newRegion = newRegionObjects.get(i);
+
+ for (final ThreadedRegionSection<R, S> section : sections) {
+ section.setRegionRelease(null);
+ newRegion.addSection(section);
+ final ThreadedRegion<R, S> curr = newRegionsMap.putIfAbsent(section.sectionKey, newRegion);
+ if (curr != null) {
+ throw new IllegalStateException("Expected no region at " + section + ", but got " + curr + ", should have put " + newRegion);
+ }
+ }
+ }
+
+ region.split(newRegionsMap, newRegionsSet);
+
+ // only after invoking data callbacks
+
+ for (final ThreadedRegion<R, S> newRegion : newRegionsSet) {
+ newRegion.state = ThreadedRegion.STATE_READY;
+ if (!newRegion.expectingMergeFrom.isEmpty() || !newRegion.mergeIntoLater.isEmpty()) {
+ throw new IllegalStateException("Illegal state " + newRegion);
+ }
+ newRegion.onCreate();
+ this.callbacks.onRegionActive(newRegion);
+ }
+ }
+
+ public static final class ThreadedRegion<R extends ThreadedRegionData<R, S>, S extends ThreadedRegionSectionData> {
+
+ private static final AtomicLong REGION_ID_GENERATOR = new AtomicLong();
+
+ private static final int STATE_TRANSIENT = 0;
+ private static final int STATE_READY = 1;
+ private static final int STATE_TICKING = 2;
+ private static final int STATE_DEAD = 3;
+
+ public final long id;
+
+ private int state;
+
+ private final Long2ReferenceOpenHashMap<ThreadedRegionSection<R, S>> sectionByKey = new Long2ReferenceOpenHashMap<>();
+ private final ReferenceOpenHashSet<ThreadedRegionSection<R, S>> deadSections = new ReferenceOpenHashSet<>();
+
+ public final ThreadedRegionizer<R, S> regioniser;
+
+ private final R data;
+
+ private final ReferenceOpenHashSet<ThreadedRegion<R, S>> mergeIntoLater = new ReferenceOpenHashSet<>();
+ private final ReferenceOpenHashSet<ThreadedRegion<R, S>> expectingMergeFrom = new ReferenceOpenHashSet<>();
+
+ public ThreadedRegion(final ThreadedRegionizer<R, S> regioniser) {
+ this.regioniser = regioniser;
+ this.id = REGION_ID_GENERATOR.getAndIncrement();
+ this.state = STATE_TRANSIENT;
+ this.data = regioniser.callbacks.createNewData(this);
+ }
+
+ public LongArrayList getOwnedSections() {
+ final boolean lock = this.regioniser.writeLockOwner != Thread.currentThread();
+ if (lock) {
+ this.regioniser.regionLock.readLock();
+ }
+ try {
+ final LongArrayList ret = new LongArrayList(this.sectionByKey.size());
+ ret.addAll(this.sectionByKey.keySet());
+
+ return ret;
+ } finally {
+ if (lock) {
+ this.regioniser.regionLock.tryUnlockRead();
+ }
+ }
+ }
+
+ /**
+ * returns an iterator directly over the sections map. This is only to be used by a thread which is _ticking_
+ * 'this' region.
+ */
+ public LongIterator getOwnedSectionsUnsynchronised() {
+ return this.sectionByKey.keySet().iterator();
+ }
+
+ public LongArrayList getOwnedChunks() {
+ final boolean lock = this.regioniser.writeLockOwner != Thread.currentThread();
+ if (lock) {
+ this.regioniser.regionLock.readLock();
+ }
+ try {
+ final LongArrayList ret = new LongArrayList();
+ for (final ThreadedRegionSection<R, S> section : this.sectionByKey.values()) {
+ ret.addAll(section.getChunks());
+ }
+
+ return ret;
+ } finally {
+ if (lock) {
+ this.regioniser.regionLock.tryUnlockRead();
+ }
+ }
+ }
+
+ public Long getCenterSection() {
+ final LongArrayList sections = this.getOwnedSections();
+
+ final LongComparator comparator = (final long k1, final long k2) -> {
+ final int x1 = CoordinateUtils.getChunkX(k1);
+ final int x2 = CoordinateUtils.getChunkX(k2);
+
+ final int z1 = CoordinateUtils.getChunkZ(x1);
+ final int z2 = CoordinateUtils.getChunkZ(x2);
+
+ final int zCompare = Integer.compare(z1, z2);
+ if (zCompare != 0) {
+ return zCompare;
+ }
+
+ return Integer.compare(x1, x2);
+ };
+
+ // note: regions don't always have a chunk section at this point, because the region may have been killed
+ if (sections.isEmpty()) {
+ return null;
+ }
+
+ sections.sort(comparator);
+
+ return Long.valueOf(sections.getLong(sections.size() >> 1));
+ }
+
+ public ChunkPos getCenterChunk() {
+ final LongArrayList chunks = this.getOwnedChunks();
+
+ final LongComparator comparator = (final long k1, final long k2) -> {
+ final int x1 = CoordinateUtils.getChunkX(k1);
+ final int x2 = CoordinateUtils.getChunkX(k2);
+
+ final int z1 = CoordinateUtils.getChunkZ(k1);
+ final int z2 = CoordinateUtils.getChunkZ(k2);
+
+ final int zCompare = Integer.compare(z1, z2);
+ if (zCompare != 0) {
+ return zCompare;
+ }
+
+ return Integer.compare(x1, x2);
+ };
+ chunks.sort(comparator);
+
+ // note: regions don't always have a chunk at this point, because the region may have been killed
+ if (chunks.isEmpty()) {
+ return null;
+ }
+
+ final long middle = chunks.getLong(chunks.size() >> 1);
+
+ return new ChunkPos(CoordinateUtils.getChunkX(middle), CoordinateUtils.getChunkZ(middle));
+ }
+
+ private void onCreate() {
+ this.regioniser.onRegionCreate(this);
+ this.regioniser.callbacks.onRegionCreate(this);
+ }
+
+ private void onRemove(final boolean wasActive) {
+ if (wasActive) {
+ this.regioniser.callbacks.onRegionInactive(this);
+ }
+ this.regioniser.callbacks.onRegionDestroy(this);
+ this.regioniser.onRegionDestroy(this);
+ }
+
+ private final boolean hasNoAliveSections() {
+ return this.deadSections.size() == this.sectionByKey.size();
+ }
+
+ private final double getDeadSectionPercent() {
+ return (double)this.deadSections.size() / (double)this.sectionByKey.size();
+ }
+
+ private void split(final Long2ReferenceOpenHashMap<ThreadedRegion<R, S>> into, final ReferenceOpenHashSet<ThreadedRegion<R, S>> regions) {
+ if (this.data != null) {
+ this.data.split(this.regioniser, into, regions);
+ }
+ }
+
+ boolean killAndMergeInto(final ThreadedRegion<R, S> mergeTarget) {
+ if (this.state == STATE_TICKING) {
+ return false;
+ }
+
+ this.regioniser.callbacks.preMerge(this, mergeTarget);
+
+ this.tryKill();
+
+ this.mergeInto(mergeTarget);
+
+ return true;
+ }
+
+ private void mergeInto(final ThreadedRegion<R, S> mergeTarget) {
+ if (this == mergeTarget) {
+ throw new IllegalStateException("Cannot merge a region onto itself");
+ }
+ if (!this.isDead()) {
+ throw new IllegalStateException("Source region is not dead! Source " + this + ", target " + mergeTarget);
+ } else if (mergeTarget.isDead()) {
+ throw new IllegalStateException("Target region is dead! Source " + this + ", target " + mergeTarget);
+ }
+
+ for (final ThreadedRegionSection<R, S> section : this.sectionByKey.values()) {
+ section.setRegionRelease(null);
+ mergeTarget.addSection(section);
+ }
+ for (final ThreadedRegionSection<R, S> deadSection : this.deadSections) {
+ if (this.sectionByKey.get(deadSection.sectionKey) != deadSection) {
+ throw new IllegalStateException("Source region does not even contain its own dead sections! Missing " + deadSection + " from region " + this);
+ }
+ if (!mergeTarget.deadSections.add(deadSection)) {
+ throw new IllegalStateException("Merge target contains dead section from source! Has " + deadSection + " from region " + this);
+ }
+ }
+
+ // forward merge expectations
+ for (final ThreadedRegion<R, S> region : this.expectingMergeFrom) {
+ if (!region.mergeIntoLater.remove(this)) {
+ throw new IllegalStateException("Region " + region + " was not supposed to merge into " + this + "?");
+ }
+ if (region != mergeTarget) {
+ region.mergeIntoLater(mergeTarget);
+ }
+ }
+
+ // forward merge into
+ for (final ThreadedRegion<R, S> region : this.mergeIntoLater) {
+ if (!region.expectingMergeFrom.remove(this)) {
+ throw new IllegalStateException("Region " + this + " was not supposed to merge into " + region + "?");
+ }
+ if (region != mergeTarget) {
+ mergeTarget.mergeIntoLater(region);
+ }
+ }
+
+ // finally, merge data
+ if (this.data != null) {
+ this.data.mergeInto(mergeTarget);
+ }
+ }
+
+ private void mergeIntoLater(final ThreadedRegion<R, S> region) {
+ if (region.isDead()) {
+ throw new IllegalStateException("Trying to merge later into a dead region: " + region);
+ }
+ final boolean add1, add2;
+ if ((add1 = this.mergeIntoLater.add(region)) != (add2 = region.expectingMergeFrom.add(this))) {
+ throw new IllegalStateException("Inconsistent state between target merge " + region + " and this " + this + ": add1,add2:" + add1 + "," + add2);
+ }
+ }
+
+ private boolean tryKill() {
+ switch (this.state) {
+ case STATE_TRANSIENT: {
+ this.state = STATE_DEAD;
+ this.onRemove(false);
+ return true;
+ }
+ case STATE_READY: {
+ this.state = STATE_DEAD;
+ this.onRemove(true);
+ return true;
+ }
+ case STATE_TICKING: {
+ return false;
+ }
+ case STATE_DEAD: {
+ throw new IllegalStateException("Already dead");
+ }
+ default: {
+ throw new IllegalStateException("Unknown state: " + this.state);
+ }
+ }
+ }
+
+ private boolean isDead() {
+ return this.state == STATE_DEAD;
+ }
+
+ private boolean isTicking() {
+ return this.state == STATE_TICKING;
+ }
+
+ private void removeDeadSection(final ThreadedRegionSection<R, S> section) {
+ this.deadSections.remove(section);
+ }
+
+ private void addDeadSection(final ThreadedRegionSection<R, S> section) {
+ this.deadSections.add(section);
+ }
+
+ private void addSection(final ThreadedRegionSection<R, S> section) {
+ if (section.getRegionPlain() != null) {
+ throw new IllegalStateException("Section already has region");
+ }
+ if (this.sectionByKey.putIfAbsent(section.sectionKey, section) != null) {
+ throw new IllegalStateException("Already have section " + section + ", mapped to " + this.sectionByKey.get(section.sectionKey));
+ }
+ section.setRegionRelease(this);
+ }
+
+ public R getData() {
+ return this.data;
+ }
+
+ public boolean tryMarkTicking(final BooleanSupplier abort) {
+ this.regioniser.acquireWriteLock();
+ try {
+ if (this.state != STATE_READY || abort.getAsBoolean()) {
+ return false;
+ }
+
+ if (!this.mergeIntoLater.isEmpty() || !this.expectingMergeFrom.isEmpty()) {
+ throw new IllegalStateException("Region " + this + " should not be ready");
+ }
+
+ this.state = STATE_TICKING;
+ return true;
+ } finally {
+ this.regioniser.releaseWriteLock();
+ }
+ }
+
+ public boolean markNotTicking() {
+ this.regioniser.acquireWriteLock();
+ try {
+ if (this.state != STATE_TICKING) {
+ throw new IllegalStateException("Attempting to release non-locked state");
+ }
+
+ this.regioniser.onRegionRelease(this);
+
+ return this.state == STATE_READY;
+ } catch (final Throwable throwable) {
+ LOGGER.error("Failed to acquire region " + this, throwable);
+ SneakyThrow.sneaky(throwable);
+ return false; // unreachable
+ } finally {
+ this.regioniser.releaseWriteLock();
+ }
+ }
+
+ @Override
+ public String toString() {
+ final StringBuilder ret = new StringBuilder(128);
+
+ ret.append("ThreadedRegion{");
+ ret.append("state=").append(this.state).append(',');
+ // To avoid recursion in toString, maybe fix later?
+ //ret.append("mergeIntoLater=").append(this.mergeIntoLater).append(',');
+ //ret.append("expectingMergeFrom=").append(this.expectingMergeFrom).append(',');
+
+ ret.append("sectionCount=").append(this.sectionByKey.size()).append(',');
+ ret.append("sections=[");
+ for (final Iterator<ThreadedRegionSection<R, S>> iterator = this.sectionByKey.values().iterator(); iterator.hasNext();) {
+ final ThreadedRegionSection<R, S> section = iterator.next();
+
+ ret.append(section.toString());
+ if (iterator.hasNext()) {
+ ret.append(',');
+ }
+ }
+ ret.append(']');
+
+ ret.append('}');
+ return ret.toString();
+ }
+ }
+
+ public static final class ThreadedRegionSection<R extends ThreadedRegionData<R, S>, S extends ThreadedRegionSectionData> {
+
+ public final int sectionX;
+ public final int sectionZ;
+ public final long sectionKey;
+ private final long[] chunksBitset;
+ private int chunkCount;
+ private int nonEmptyNeighbours;
+
+ private ThreadedRegion<R, S> region;
+ private static final VarHandle REGION_HANDLE = ConcurrentUtil.getVarHandle(ThreadedRegionSection.class, "region", ThreadedRegion.class);
+
+ public final ThreadedRegionizer<R, S> regioniser;
+
+ private final int regionChunkShift;
+ private final int regionChunkMask;
+
+ private final S data;
+
+ private ThreadedRegion<R, S> getRegionPlain() {
+ return (ThreadedRegion<R, S>)REGION_HANDLE.get(this);
+ }
+
+ private ThreadedRegion<R, S> getRegionAcquire() {
+ return (ThreadedRegion<R, S>)REGION_HANDLE.getAcquire(this);
+ }
+
+ private void setRegionRelease(final ThreadedRegion<R, S> value) {
+ REGION_HANDLE.setRelease(this, value);
+ }
+
+ // creates an empty section with zero non-empty neighbours
+ private ThreadedRegionSection(final int sectionX, final int sectionZ, final ThreadedRegionizer<R, S> regioniser) {
+ this.sectionX = sectionX;
+ this.sectionZ = sectionZ;
+ this.sectionKey = CoordinateUtils.getChunkKey(sectionX, sectionZ);
+ this.chunksBitset = new long[Math.max(1, regioniser.regionSectionChunkSize * regioniser.regionSectionChunkSize / Long.SIZE)];
+ this.regioniser = regioniser;
+ this.regionChunkShift = regioniser.sectionChunkShift;
+ this.regionChunkMask = regioniser.regionSectionChunkSize - 1;
+ this.data = regioniser.callbacks
+ .createNewSectionData(sectionX, sectionZ, this.regionChunkShift);
+ }
+
+ // creates a section with an initial chunk with zero non-empty neighbours
+ private ThreadedRegionSection(final int sectionX, final int sectionZ, final ThreadedRegionizer<R, S> regioniser,
+ final int chunkXInit, final int chunkZInit) {
+ this(sectionX, sectionZ, regioniser);
+
+ final int initIndex = this.getChunkIndex(chunkXInit, chunkZInit);
+ this.chunkCount = 1;
+ this.chunksBitset[initIndex >>> 6] = 1L << (initIndex & (Long.SIZE - 1)); // index / Long.SIZE
+ }
+
+ // creates an empty section with the specified number of non-empty neighbours
+ private ThreadedRegionSection(final int sectionX, final int sectionZ, final ThreadedRegionizer<R, S> regioniser,
+ final int nonEmptyNeighbours) {
+ this(sectionX, sectionZ, regioniser);
+
+ this.nonEmptyNeighbours = nonEmptyNeighbours;
+ }
+
+ public LongArrayList getChunks() {
+ final LongArrayList ret = new LongArrayList();
+
+ if (this.chunkCount == 0) {
+ return ret;
+ }
+
+ final int shift = this.regionChunkShift;
+ final int mask = this.regionChunkMask;
+ final int offsetX = this.sectionX << shift;
+ final int offsetZ = this.sectionZ << shift;
+
+ final long[] bitset = this.chunksBitset;
+ for (int arrIdx = 0, arrLen = bitset.length; arrIdx < arrLen; ++arrIdx) {
+ long value = bitset[arrIdx];
+
+ for (int i = 0, bits = Long.bitCount(value); i < bits; ++i) {
+ final int valueIdx = Long.numberOfTrailingZeros(value);
+ value ^= io.papermc.paper.util.IntegerUtil.getTrailingBit(value);
+
+ final int idx = valueIdx | (arrIdx << 6);
+
+ final int localX = idx & mask;
+ final int localZ = (idx >>> shift) & mask;
+
+ ret.add(CoordinateUtils.getChunkKey(localX | offsetX, localZ | offsetZ));
+ }
+ }
+
+ return ret;
+ }
+
+ private boolean isEmpty() {
+ return this.chunkCount == 0;
+ }
+
+ private boolean hasOnlyOneChunk() {
+ return this.chunkCount == 1;
+ }
+
+ public boolean hasNonEmptyNeighbours() {
+ return this.nonEmptyNeighbours != 0;
+ }
+
+ /**
+ * Returns the section data associated with this region section. May be {@code null}.
+ */
+ public S getData() {
+ return this.data;
+ }
+
+ /**
+ * Returns the region that owns this section. Unsynchronised access may produce outdateed or transient results.
+ */
+ public ThreadedRegion<R, S> getRegion() {
+ return this.getRegionAcquire();
+ }
+
+ private int getChunkIndex(final int chunkX, final int chunkZ) {
+ return (chunkX & this.regionChunkMask) | ((chunkZ & this.regionChunkMask) << this.regionChunkShift);
+ }
+
+ private void markAlive() {
+ this.getRegionPlain().removeDeadSection(this);
+ }
+
+ private void markDead() {
+ this.getRegionPlain().addDeadSection(this);
+ }
+
+ private void incrementNonEmptyNeighbours() {
+ if (++this.nonEmptyNeighbours == 1 && this.chunkCount == 0) {
+ this.markAlive();
+ }
+ final int createRadius = this.regioniser.emptySectionCreateRadius;
+ if (this.nonEmptyNeighbours >= ((createRadius * 2 + 1) * (createRadius * 2 + 1))) {
+ throw new IllegalStateException("Non empty neighbours exceeded max value for radius " + createRadius);
+ }
+ }
+
+ private void decrementNonEmptyNeighbours() {
+ if (--this.nonEmptyNeighbours == 0 && this.chunkCount == 0) {
+ this.markDead();
+ }
+ if (this.nonEmptyNeighbours < 0) {
+ throw new IllegalStateException("Non empty neighbours reached zero");
+ }
+ }
+
+ /**
+ * Returns whether the chunk was zero. Effectively returns whether the caller needs to create
+ * dead sections / increase non-empty neighbour count for neighbouring sections.
+ */
+ private boolean addChunk(final int chunkX, final int chunkZ) {
+ final int index = this.getChunkIndex(chunkX, chunkZ);
+ final long bitset = this.chunksBitset[index >>> 6]; // index / Long.SIZE
+ final long after = this.chunksBitset[index >>> 6] = bitset | (1L << (index & (Long.SIZE - 1)));
+ if (after == bitset) {
+ throw new IllegalStateException("Cannot add a chunk to a section which already has the chunk! RegionSection: " + this + ", global chunk: " + new ChunkPos(chunkX, chunkZ).toString());
+ }
+ final boolean notEmpty = ++this.chunkCount == 1;
+ if (notEmpty && this.nonEmptyNeighbours == 0) {
+ this.markAlive();
+ }
+ return notEmpty;
+ }
+
+ /**
+ * Returns whether the chunk count is now zero. Effectively returns whether
+ * the caller needs to decrement the neighbour count for neighbouring sections.
+ */
+ private boolean removeChunk(final int chunkX, final int chunkZ) {
+ final int index = this.getChunkIndex(chunkX, chunkZ);
+ final long before = this.chunksBitset[index >>> 6]; // index / Long.SIZE
+ final long bitset = this.chunksBitset[index >>> 6] = before & ~(1L << (index & (Long.SIZE - 1)));
+ if (before == bitset) {
+ throw new IllegalStateException("Cannot remove a chunk from a section which does not have that chunk! RegionSection: " + this + ", global chunk: " + new ChunkPos(chunkX, chunkZ).toString());
+ }
+ final boolean empty = --this.chunkCount == 0;
+ if (empty && this.nonEmptyNeighbours == 0) {
+ this.markDead();
+ }
+ return empty;
+ }
+
+ @Override
+ public String toString() {
+ return "RegionSection{" +
+ "sectionCoordinate=" + new ChunkPos(this.sectionX, this.sectionZ).toString() + "," +
+ "chunkCount=" + this.chunkCount + "," +
+ "chunksBitset=" + toString(this.chunksBitset) + "," +
+ "nonEmptyNeighbours=" + this.nonEmptyNeighbours + "," +
+ "hash=" + this.hashCode() +
+ "}";
+ }
+
+ public String toStringWithRegion() {
+ return "RegionSection{" +
+ "sectionCoordinate=" + new ChunkPos(this.sectionX, this.sectionZ).toString() + "," +
+ "chunkCount=" + this.chunkCount + "," +
+ "chunksBitset=" + toString(this.chunksBitset) + "," +
+ "hash=" + this.hashCode() + "," +
+ "nonEmptyNeighbours=" + this.nonEmptyNeighbours + "," +
+ "region=" + this.getRegionAcquire() +
+ "}";
+ }
+
+ private static String toString(final long[] array) {
+ final StringBuilder ret = new StringBuilder();
+ final char[] zeros = new char[Long.SIZE / 4];
+ for (final long value : array) {
+ // zero pad the hex string
+ Arrays.fill(zeros, '0');
+ final String string = Long.toHexString(value);
+ System.arraycopy(string.toCharArray(), 0, zeros, zeros.length - string.length(), string.length());
+
+ ret.append(zeros);
+ }
+
+ return ret.toString();
+ }
+ }
+
+ public static interface ThreadedRegionData<R extends ThreadedRegionData<R, S>, S extends ThreadedRegionSectionData> {
+
+ /**
+ * Splits this region data into the specified regions set.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param regioniser Regioniser for which the regions reside in.
+ * @param into A map of region section coordinate key to the region that owns the section.
+ * @param regions The set of regions to split into.
+ */
+ public void split(final ThreadedRegionizer<R, S> regioniser, final Long2ReferenceOpenHashMap<ThreadedRegion<R, S>> into,
+ final ReferenceOpenHashSet<ThreadedRegion<R, S>> regions);
+
+ /**
+ * Callback to merge {@code this} region data into the specified region. The state of the region is undefined
+ * except that its region data is already created.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param into Specified region.
+ */
+ public void mergeInto(final ThreadedRegion<R, S> into);
+ }
+
+ public static interface ThreadedRegionSectionData {}
+
+ public static interface RegionCallbacks<R extends ThreadedRegionData<R, S>, S extends ThreadedRegionSectionData> {
+
+ /**
+ * Creates new section data for the specified section x and section z.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param sectionX x coordinate of the section.
+ * @param sectionZ z coordinate of the section.
+ * @param sectionShift The signed right shift value that can be applied to any chunk coordinate that
+ * produces a section coordinate.
+ * @return New section data, may be {@code null}.
+ */
+ public S createNewSectionData(final int sectionX, final int sectionZ, final int sectionShift);
+
+ /**
+ * Creates new region data for the specified region.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param forRegion The region to create the data for.
+ * @return New region data, may be {@code null}.
+ */
+ public R createNewData(final ThreadedRegion<R, S> forRegion);
+
+ /**
+ * Callback for when a region is created. This is invoked after the region is completely set up,
+ * so its data and owned sections are reliable to inspect.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param region The region that was created.
+ */
+ public void onRegionCreate(final ThreadedRegion<R, S> region);
+
+ /**
+ * Callback for when a region is destroyed. This is invoked before the region is actually destroyed; so
+ * its data and owned sections are reliable to inspect.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param region The region that is about to be destroyed.
+ */
+ public void onRegionDestroy(final ThreadedRegion<R, S> region);
+
+ /**
+ * Callback for when a region is considered "active." An active region x is a non-destroyed region which
+ * is not scheduled to merge into another region y and there are no non-destroyed regions z which are
+ * scheduled to merge into the region x. Equivalently, an active region is not directly adjacent to any
+ * other region considering the regioniser's empty section radius.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param region The region that is now active.
+ */
+ public void onRegionActive(final ThreadedRegion<R, S> region);
+
+ /**
+ * Callback for when a region transistions becomes inactive. An inactive region is non-destroyed, but
+ * has neighbouring adjacent regions considering the regioniser's empty section radius. Effectively,
+ * an inactive region may not tick and needs to be merged into its neighbouring regions.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param region The region that is now inactive.
+ */
+ public void onRegionInactive(final ThreadedRegion<R, S> region);
+
+ /**
+ * Callback for when a region (from) is about to be merged into a target region (into). Note that
+ * {@code from} is still alive and is a distinct region.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param from The region that will be merged into the target.
+ * @param into The target of the merge.
+ */
+ public void preMerge(final ThreadedRegion<R, S> from, final ThreadedRegion<R, S> into);
+
+ /**
+ * Callback for when a region (from) is about to be split into a list of target region (into). Note that
+ * {@code from} is still alive, while the list of target regions are not initialised.
+ * <p>
+ * <b>Note:</b>
+ * </p>
+ * <p>
+ * This function is always called while holding critical locks and as such should not attempt to block on anything, and
+ * should NOT retrieve or modify ANY world state.
+ * </p>
+ * @param from The region that will be merged into the target.
+ * @param into The list of regions to split into.
+ */
+ public void preSplit(final ThreadedRegion<R, S> from, final List<ThreadedRegion<R, S>> into);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/TickData.java b/src/main/java/io/papermc/paper/threadedregions/TickData.java
new file mode 100644
index 0000000000000000000000000000000000000000..29f9fed5f02530b3256e6b993e607d4647daa7b6
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/TickData.java
@@ -0,0 +1,333 @@
+package io.papermc.paper.threadedregions;
+
+import ca.spottedleaf.concurrentutil.util.TimeUtil;
+import io.papermc.paper.util.IntervalledCounter;
+import it.unimi.dsi.fastutil.longs.LongArrayList;
+
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public final class TickData {
+
+ private final long interval; // ns
+
+ private final ArrayDeque<TickRegionScheduler.TickTime> timeData = new ArrayDeque<>();
+
+ public TickData(final long intervalNS) {
+ this.interval = intervalNS;
+ }
+
+ public void addDataFrom(final TickRegionScheduler.TickTime time) {
+ final long start = time.tickStart();
+
+ TickRegionScheduler.TickTime first;
+ while ((first = this.timeData.peekFirst()) != null) {
+ // only remove data completely out of window
+ if ((start - first.tickEnd()) <= this.interval) {
+ break;
+ }
+ this.timeData.pollFirst();
+ }
+
+ this.timeData.add(time);
+ }
+
+ // fromIndex inclusive, toIndex exclusive
+ // will throw if arr.length == 0
+ private static double median(final long[] arr, final int fromIndex, final int toIndex) {
+ final int len = toIndex - fromIndex;
+ final int middle = fromIndex + (len >>> 1);
+ if ((len & 1) == 0) {
+ // even, average the two middle points
+ return (double)(arr[middle - 1] + arr[middle]) / 2.0;
+ } else {
+ // odd, just grab the middle
+ return (double)arr[middle];
+ }
+ }
+
+ // will throw if arr.length == 0
+ private static SegmentData computeSegmentData(final long[] arr, final int fromIndex, final int toIndex,
+ final boolean inverse) {
+ final int len = toIndex - fromIndex;
+ long sum = 0L;
+ final double median = median(arr, fromIndex, toIndex);
+ long min = arr[0];
+ long max = arr[0];
+
+ for (int i = fromIndex; i < toIndex; ++i) {
+ final long val = arr[i];
+ sum += val;
+ if (val < min) {
+ min = val;
+ }
+ if (val > max) {
+ max = val;
+ }
+ }
+
+ if (inverse) {
+ // for positive a,b we have that a >= b if and only if 1/a <= 1/b
+ return new SegmentData(
+ len,
+ (double)len / ((double)sum / 1.0E9),
+ 1.0E9 / median,
+ 1.0E9 / (double)max,
+ 1.0E9 / (double)min
+ );
+ } else {
+ return new SegmentData(
+ len,
+ (double)sum / (double)len,
+ median,
+ (double)min,
+ (double)max
+ );
+ }
+ }
+
+ private static SegmentedAverage computeSegmentedAverage(final long[] data, final int allStart, final int allEnd,
+ final int percent99BestStart, final int percent99BestEnd,
+ final int percent95BestStart, final int percent95BestEnd,
+ final int percent1WorstStart, final int percent1WorstEnd,
+ final int percent5WorstStart, final int percent5WorstEnd,
+ final boolean inverse) {
+ return new SegmentedAverage(
+ computeSegmentData(data, allStart, allEnd, inverse),
+ computeSegmentData(data, percent99BestStart, percent99BestEnd, inverse),
+ computeSegmentData(data, percent95BestStart, percent95BestEnd, inverse),
+ computeSegmentData(data, percent1WorstStart, percent1WorstEnd, inverse),
+ computeSegmentData(data, percent5WorstStart, percent5WorstEnd, inverse)
+ );
+ }
+
+ private static record TickInformation(
+ long differenceFromLastTick,
+ long tickTime,
+ long tickTimeCPU
+ ) {}
+
+ // rets null if there is no data
+ public TickReportData generateTickReport(final TickRegionScheduler.TickTime inProgress, final long endTime) {
+ if (this.timeData.isEmpty() && inProgress == null) {
+ return null;
+ }
+
+ final List<TickRegionScheduler.TickTime> allData = new ArrayList<>(this.timeData);
+ if (inProgress != null) {
+ allData.add(inProgress);
+ }
+
+ final long intervalStart = allData.get(0).tickStart();
+ final long intervalEnd = allData.get(allData.size() - 1).tickEnd();
+
+ // to make utilisation accurate, we need to take the total time used over the last interval period -
+ // this means if a tick start before the measurement interval, but ends within the interval, then we
+ // only consider the time it spent ticking inside the interval
+ long totalTimeOverInterval = 0L;
+ long measureStart = endTime - this.interval;
+
+ for (int i = 0, len = allData.size(); i < len; ++i) {
+ final TickRegionScheduler.TickTime time = allData.get(i);
+ if (TimeUtil.compareTimes(time.tickStart(), measureStart) < 0) {
+ final long diff = time.tickEnd() - measureStart;
+ if (diff > 0L) {
+ totalTimeOverInterval += diff;
+ } // else: the time is entirely out of interval
+ } else {
+ totalTimeOverInterval += time.tickLength();
+ }
+ }
+
+ // we only care about ticks, but because of inbetween tick task execution
+ // there will be data in allData that isn't ticks. But, that data cannot
+ // be ignored since it contributes to utilisation.
+ // So, we will "compact" the data by merging any inbetween tick times
+ // the next tick.
+ // If there is no "next tick", then we will create one.
+ final List<TickInformation> collapsedData = new ArrayList<>();
+ for (int i = 0, len = allData.size(); i < len; ++i) {
+ final List<TickRegionScheduler.TickTime> toCollapse = new ArrayList<>();
+ TickRegionScheduler.TickTime lastTick = null;
+ for (;i < len; ++i) {
+ final TickRegionScheduler.TickTime time = allData.get(i);
+ if (!time.isTickExecution()) {
+ toCollapse.add(time);
+ continue;
+ }
+ lastTick = time;
+ break;
+ }
+
+ if (toCollapse.isEmpty()) {
+ // nothing to collapse
+ final TickRegionScheduler.TickTime last = allData.get(i);
+ collapsedData.add(
+ new TickInformation(
+ last.differenceFromLastTick(),
+ last.tickLength(),
+ last.supportCPUTime() ? last.tickCpuTime() : 0L
+ )
+ );
+ } else {
+ long totalTickTime = 0L;
+ long totalCpuTime = 0L;
+ for (int k = 0, len2 = collapsedData.size(); k < len2; ++k) {
+ final TickRegionScheduler.TickTime time = toCollapse.get(k);
+ totalTickTime += time.tickLength();
+ totalCpuTime += time.supportCPUTime() ? time.tickCpuTime() : 0L;
+ }
+ if (i < len) {
+ // we know there is a tick to collapse into
+ final TickRegionScheduler.TickTime last = allData.get(i);
+ collapsedData.add(
+ new TickInformation(
+ last.differenceFromLastTick(),
+ last.tickLength() + totalTickTime,
+ (last.supportCPUTime() ? last.tickCpuTime() : 0L) + totalCpuTime
+ )
+ );
+ } else {
+ // we do not have a tick to collapse into, so we must make one up
+ // we will assume that the tick is "starting now" and ongoing
+
+ // compute difference between imaginary tick and last tick
+ final long differenceBetweenTicks;
+ if (lastTick != null) {
+ // we have a last tick, use it
+ differenceBetweenTicks = lastTick.tickStart();
+ } else {
+ // we don't have a last tick, so we must make one up that makes sense
+ // if the current interval exceeds the max tick time, then use it
+
+ // Otherwise use the interval length.
+ // This is how differenceFromLastTick() works on TickTime when there is no previous interval.
+ differenceBetweenTicks = Math.max(
+ TickRegionScheduler.TIME_BETWEEN_TICKS, totalTickTime
+ );
+ }
+
+ collapsedData.add(
+ new TickInformation(
+ differenceBetweenTicks,
+ totalTickTime,
+ totalCpuTime
+ )
+ );
+ }
+ }
+ }
+
+
+ final int collectedTicks = collapsedData.size();
+ final long[] tickStartToStartDifferences = new long[collectedTicks];
+ final long[] timePerTickDataRaw = new long[collectedTicks];
+ final long[] missingCPUTimeDataRaw = new long[collectedTicks];
+
+ long totalTimeTicking = 0L;
+
+ int i = 0;
+ for (final TickInformation time : collapsedData) {
+ tickStartToStartDifferences[i] = time.differenceFromLastTick();
+ final long timePerTick = timePerTickDataRaw[i] = time.tickTime();
+ missingCPUTimeDataRaw[i] = Math.max(0L, timePerTick - time.tickTimeCPU());
+
+ ++i;
+
+ totalTimeTicking += timePerTick;
+ }
+
+ Arrays.sort(tickStartToStartDifferences);
+ Arrays.sort(timePerTickDataRaw);
+ Arrays.sort(missingCPUTimeDataRaw);
+
+ // Note: computeSegmentData cannot take start == end
+ final int allStart = 0;
+ final int allEnd = collectedTicks;
+ final int percent95BestStart = 0;
+ final int percent95BestEnd = collectedTicks == 1 ? 1 : (int)(0.95 * collectedTicks);
+ final int percent99BestStart = 0;
+ // (int)(0.99 * collectedTicks) == 0 if collectedTicks = 1, so we need to use 1 to avoid start == end
+ final int percent99BestEnd = collectedTicks == 1 ? 1 : (int)(0.99 * collectedTicks);
+ final int percent1WorstStart = (int)(0.99 * collectedTicks);
+ final int percent1WorstEnd = collectedTicks;
+ final int percent5WorstStart = (int)(0.95 * collectedTicks);
+ final int percent5WorstEnd = collectedTicks;
+
+ final SegmentedAverage tpsData = computeSegmentedAverage(
+ tickStartToStartDifferences,
+ allStart, allEnd,
+ percent99BestStart, percent99BestEnd,
+ percent95BestStart, percent95BestEnd,
+ percent1WorstStart, percent1WorstEnd,
+ percent5WorstStart, percent5WorstEnd,
+ true
+ );
+
+ final SegmentedAverage timePerTickData = computeSegmentedAverage(
+ timePerTickDataRaw,
+ allStart, allEnd,
+ percent99BestStart, percent99BestEnd,
+ percent95BestStart, percent95BestEnd,
+ percent1WorstStart, percent1WorstEnd,
+ percent5WorstStart, percent5WorstEnd,
+ false
+ );
+
+ final SegmentedAverage missingCPUTimeData = computeSegmentedAverage(
+ missingCPUTimeDataRaw,
+ allStart, allEnd,
+ percent99BestStart, percent99BestEnd,
+ percent95BestStart, percent95BestEnd,
+ percent1WorstStart, percent1WorstEnd,
+ percent5WorstStart, percent5WorstEnd,
+ false
+ );
+
+ final double utilisation = (double)totalTimeOverInterval / (double)this.interval;
+
+ return new TickReportData(
+ collectedTicks,
+ intervalStart,
+ intervalEnd,
+ totalTimeTicking,
+ utilisation,
+
+ tpsData,
+ timePerTickData,
+ missingCPUTimeData
+ );
+ }
+
+ public static final record TickReportData(
+ int collectedTicks,
+ long collectedTickIntervalStart,
+ long collectedTickIntervalEnd,
+ long totalTimeTicking,
+ double utilisation,
+
+ SegmentedAverage tpsData,
+ // in ns
+ SegmentedAverage timePerTickData,
+ // in ns
+ SegmentedAverage missingCPUTimeData
+ ) {}
+
+ public static final record SegmentedAverage(
+ SegmentData segmentAll,
+ SegmentData segment99PercentBest,
+ SegmentData segment95PercentBest,
+ SegmentData segment5PercentWorst,
+ SegmentData segment1PercentWorst
+ ) {}
+
+ public static final record SegmentData(
+ int count,
+ double average,
+ double median,
+ double least,
+ double greatest
+ ) {}
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/TickRegionScheduler.java b/src/main/java/io/papermc/paper/threadedregions/TickRegionScheduler.java
new file mode 100644
index 0000000000000000000000000000000000000000..150610d7bf25416dbbde7f003c47da562acc68ba
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/TickRegionScheduler.java
@@ -0,0 +1,565 @@
+package io.papermc.paper.threadedregions;
+
+import ca.spottedleaf.concurrentutil.scheduler.SchedulerThreadPool;
+import ca.spottedleaf.concurrentutil.util.TimeUtil;
+import com.mojang.logging.LogUtils;
+import io.papermc.paper.util.TickThread;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.ChunkPos;
+import org.slf4j.Logger;
+import java.lang.management.ManagementFactory;
+import java.lang.management.ThreadMXBean;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.BooleanSupplier;
+
+public final class TickRegionScheduler {
+
+ private static final Logger LOGGER = LogUtils.getLogger();
+ private static final ThreadMXBean THREAD_MX_BEAN = ManagementFactory.getThreadMXBean();
+ private static final boolean MEASURE_CPU_TIME;
+ static {
+ MEASURE_CPU_TIME = THREAD_MX_BEAN.isThreadCpuTimeSupported();
+ if (MEASURE_CPU_TIME) {
+ THREAD_MX_BEAN.setThreadCpuTimeEnabled(true);
+ } else {
+ LOGGER.warn("TickRegionScheduler CPU time measurement is not available");
+ }
+ }
+
+ public static final int TICK_RATE = 20;
+ public static final long TIME_BETWEEN_TICKS = 1_000_000_000L / TICK_RATE; // ns
+
+ private final SchedulerThreadPool scheduler;
+
+ public TickRegionScheduler(final int threads) {
+ this.scheduler = new SchedulerThreadPool(threads, new ThreadFactory() {
+ private final AtomicInteger idGenerator = new AtomicInteger();
+
+ @Override
+ public Thread newThread(final Runnable run) {
+ final Thread ret = new TickThreadRunner(run, "Region Scheduler Thread #" + this.idGenerator.getAndIncrement());
+ ret.setUncaughtExceptionHandler(TickRegionScheduler.this::uncaughtException);
+ return ret;
+ }
+ });
+ }
+
+ public int getTotalThreadCount() {
+ return this.scheduler.getThreads().length;
+ }
+
+ private static void setTickingRegion(final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region) {
+ final Thread currThread = Thread.currentThread();
+ if (!(currThread instanceof TickThreadRunner tickThreadRunner)) {
+ throw new IllegalStateException("Must be tick thread runner");
+ }
+ if (region != null && tickThreadRunner.currentTickingRegion != null) {
+ throw new IllegalStateException("Trying to double set ticking region!");
+ }
+ if (region == null && tickThreadRunner.currentTickingRegion == null) {
+ throw new IllegalStateException("Trying to double unset ticking region!");
+ }
+ tickThreadRunner.currentTickingRegion = region;
+ if (region != null) {
+ tickThreadRunner.currentTickingWorldRegionizedData = region.regioniser.world.worldRegionData.get();
+ } else {
+ tickThreadRunner.currentTickingWorldRegionizedData = null;
+ }
+ }
+
+ private static void setTickTask(final SchedulerThreadPool.SchedulableTick task) {
+ final Thread currThread = Thread.currentThread();
+ if (!(currThread instanceof TickThreadRunner tickThreadRunner)) {
+ throw new IllegalStateException("Must be tick thread runner");
+ }
+ if (task != null && tickThreadRunner.currentTickingTask != null) {
+ throw new IllegalStateException("Trying to double set ticking task!");
+ }
+ if (task == null && tickThreadRunner.currentTickingTask == null) {
+ throw new IllegalStateException("Trying to double unset ticking task!");
+ }
+ tickThreadRunner.currentTickingTask = task;
+ }
+
+ /**
+ * Returns the current ticking region, or {@code null} if there is no ticking region.
+ * If this thread is not a TickThread, then returns {@code null}.
+ */
+ public static ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> getCurrentRegion() {
+ final Thread currThread = Thread.currentThread();
+ if (!(currThread instanceof TickThreadRunner tickThreadRunner)) {
+ return RegionShutdownThread.getRegion();
+ }
+ return tickThreadRunner.currentTickingRegion;
+ }
+
+ /**
+ * Returns the current ticking region's world regionised data, or {@code null} if there is no ticking region.
+ * This is a faster alternative to calling the {@link RegionizedData#get()} method.
+ * If this thread is not a TickThread, then returns {@code null}.
+ */
+ public static RegionizedWorldData getCurrentRegionizedWorldData() {
+ final Thread currThread = Thread.currentThread();
+ if (!(currThread instanceof TickThreadRunner tickThreadRunner)) {
+ return RegionShutdownThread.getWorldData();
+ }
+ return tickThreadRunner.currentTickingWorldRegionizedData;
+ }
+
+ /**
+ * Returns the current ticking task, or {@code null} if there is no ticking region.
+ * If this thread is not a TickThread, then returns {@code null}.
+ */
+ public static SchedulerThreadPool.SchedulableTick getCurrentTickingTask() {
+ final Thread currThread = Thread.currentThread();
+ if (!(currThread instanceof TickThreadRunner tickThreadRunner)) {
+ return null;
+ }
+ return tickThreadRunner.currentTickingTask;
+ }
+
+ /**
+ * Schedules the given region
+ * @throws IllegalStateException If the region is already scheduled or is ticking
+ */
+ public void scheduleRegion(final RegionScheduleHandle region) {
+ region.scheduler = this;
+ this.scheduler.schedule(region);
+ }
+
+ /**
+ * Attempts to de-schedule the provided region. If the current region cannot be cancelled for its next tick or task
+ * execution, then it will be cancelled after.
+ */
+ public void descheduleRegion(final RegionScheduleHandle region) {
+ // To avoid acquiring any of the locks the scheduler may be using, we
+ // simply cancel the next action.
+ region.markNonSchedulable();
+ }
+
+ /**
+ * Updates the tick start to the farthest into the future of its current scheduled time and the
+ * provided time.
+ * @return {@code false} if the region was not scheduled or is currently ticking or the specified time is less-than its
+ * current start time, {@code true} if the next tick start was adjusted.
+ */
+ public boolean updateTickStartToMax(final RegionScheduleHandle region, final long newStart) {
+ return this.scheduler.updateTickStartToMax(region, newStart);
+ }
+
+ public boolean halt(final boolean sync, final long maxWaitNS) {
+ return this.scheduler.halt(sync, maxWaitNS);
+ }
+
+ void dumpAliveThreadTraces(final String reason) {
+ this.scheduler.dumpAliveThreadTraces(reason);
+ }
+
+ public void setHasTasks(final RegionScheduleHandle region) {
+ this.scheduler.notifyTasks(region);
+ }
+
+ public void init() {
+ this.scheduler.start();
+ }
+
+ private void uncaughtException(final Thread thread, final Throwable thr) {
+ LOGGER.error("Uncaught exception in tick thread \"" + thread.getName() + "\"", thr);
+
+ // prevent further ticks from occurring
+ // we CANNOT sync, because WE ARE ON A SCHEDULER THREAD
+ this.scheduler.halt(false, 0L);
+
+ MinecraftServer.getServer().stopServer();
+ }
+
+ private void regionFailed(final RegionScheduleHandle handle, final boolean executingTasks, final Throwable thr) {
+ // when a region fails, we need to shut down the server gracefully
+
+ // prevent further ticks from occurring
+ // we CANNOT sync, because WE ARE ON A SCHEDULER THREAD
+ this.scheduler.halt(false, 0L);
+
+ final ChunkPos center = handle.region == null ? null : handle.region.region.getCenterChunk();
+ final ServerLevel world = handle.region == null ? null : handle.region.world;
+
+ LOGGER.error("Region #" + (handle.region == null ? -1L : handle.region.id) + " centered at chunk " + center + " in world '" + (world == null ? "null" : world.getWorld().getName()) + "' failed to " + (executingTasks ? "execute tasks" : "tick") + ":", thr);
+
+ MinecraftServer.getServer().stopServer();
+ }
+
+ // By using our own thread object, we can use a field for the current region rather than a ThreadLocal.
+ // This is much faster than a thread local, since the thread local has to use a map lookup.
+ private static final class TickThreadRunner extends TickThread {
+
+ private ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> currentTickingRegion;
+ private RegionizedWorldData currentTickingWorldRegionizedData;
+ private SchedulerThreadPool.SchedulableTick currentTickingTask;
+
+ public TickThreadRunner(final Runnable run, final String name) {
+ super(run, name);
+ }
+ }
+
+ public static abstract class RegionScheduleHandle extends SchedulerThreadPool.SchedulableTick {
+
+ protected long currentTick;
+ protected long lastTickStart;
+
+ protected final TickData tickTimes5s;
+ protected final TickData tickTimes15s;
+ protected final TickData tickTimes1m;
+ protected final TickData tickTimes5m;
+ protected final TickData tickTimes15m;
+ protected TickTime currentTickData;
+ protected Thread currentTickingThread;
+
+ public final TickRegions.TickRegionData region;
+ private final AtomicBoolean cancelled = new AtomicBoolean();
+
+ protected final Schedule tickSchedule;
+
+ private TickRegionScheduler scheduler;
+
+ public RegionScheduleHandle(final TickRegions.TickRegionData region, final long firstStart) {
+ this.currentTick = 0L;
+ this.lastTickStart = SchedulerThreadPool.DEADLINE_NOT_SET;
+ this.tickTimes5s = new TickData(TimeUnit.SECONDS.toNanos(5L));
+ this.tickTimes15s = new TickData(TimeUnit.SECONDS.toNanos(15L));
+ this.tickTimes1m = new TickData(TimeUnit.MINUTES.toNanos(1L));
+ this.tickTimes5m = new TickData(TimeUnit.MINUTES.toNanos(5L));
+ this.tickTimes15m = new TickData(TimeUnit.MINUTES.toNanos(15L));
+ this.region = region;
+
+ this.setScheduledStart(firstStart);
+ this.tickSchedule = new Schedule(firstStart == SchedulerThreadPool.DEADLINE_NOT_SET ? firstStart : firstStart - TIME_BETWEEN_TICKS);
+ }
+
+ /**
+ * Subclasses should call this instead of {@link ca.spottedleaf.concurrentutil.scheduler.SchedulerThreadPool.SchedulableTick#setScheduledStart(long)}
+ * so that the tick schedule and scheduled start remain synchronised
+ */
+ protected final void updateScheduledStart(final long to) {
+ this.setScheduledStart(to);
+ this.tickSchedule.setLastPeriod(to == SchedulerThreadPool.DEADLINE_NOT_SET ? to : to - TIME_BETWEEN_TICKS);
+ }
+
+ public final void markNonSchedulable() {
+ this.cancelled.set(true);
+ }
+
+ public final boolean isMarkedAsNonSchedulable() {
+ return this.cancelled.get();
+ }
+
+ protected abstract boolean tryMarkTicking();
+
+ protected abstract boolean markNotTicking();
+
+ protected abstract void tickRegion(final int tickCount, final long startTime, final long scheduledEnd);
+
+ protected abstract boolean runRegionTasks(final BooleanSupplier canContinue);
+
+ protected abstract boolean hasIntermediateTasks();
+
+ @Override
+ public final boolean hasTasks() {
+ return this.hasIntermediateTasks();
+ }
+
+ @Override
+ public final Boolean runTasks(final BooleanSupplier canContinue) {
+ if (this.cancelled.get()) {
+ return null;
+ }
+
+ final long cpuStart = MEASURE_CPU_TIME ? THREAD_MX_BEAN.getCurrentThreadCpuTime() : 0L;
+ final long tickStart = System.nanoTime();
+
+ if (!this.tryMarkTicking()) {
+ if (!this.cancelled.get()) {
+ throw new IllegalStateException("Scheduled region should be acquirable");
+ }
+ // region was killed
+ return null;
+ }
+
+ TickRegionScheduler.setTickTask(this);
+ if (this.region != null) {
+ TickRegionScheduler.setTickingRegion(this.region.region);
+ }
+
+ synchronized (this) {
+ this.currentTickData = new TickTime(
+ SchedulerThreadPool.DEADLINE_NOT_SET, SchedulerThreadPool.DEADLINE_NOT_SET, tickStart, cpuStart,
+ SchedulerThreadPool.DEADLINE_NOT_SET, SchedulerThreadPool.DEADLINE_NOT_SET, MEASURE_CPU_TIME,
+ false
+ );
+ this.currentTickingThread = Thread.currentThread();
+ }
+
+ final boolean ret;
+ try {
+ ret = this.runRegionTasks(() -> {
+ return !RegionScheduleHandle.this.cancelled.get() && canContinue.getAsBoolean();
+ });
+ } catch (final Throwable thr) {
+ this.scheduler.regionFailed(this, true, thr);
+ if (thr instanceof ThreadDeath) {
+ throw (ThreadDeath)thr;
+ }
+ // don't release region for another tick
+ return null;
+ } finally {
+ final long tickEnd = System.nanoTime();
+ final long cpuEnd = MEASURE_CPU_TIME ? THREAD_MX_BEAN.getCurrentThreadCpuTime() : 0L;
+
+ final TickTime time = new TickTime(
+ SchedulerThreadPool.DEADLINE_NOT_SET, SchedulerThreadPool.DEADLINE_NOT_SET,
+ tickStart, cpuStart, tickEnd, cpuEnd, MEASURE_CPU_TIME, false
+ );
+
+ this.addTickTime(time);
+ TickRegionScheduler.setTickTask(null);
+ if (this.region != null) {
+ TickRegionScheduler.setTickingRegion(null);
+ }
+ }
+
+ return !this.markNotTicking() || this.cancelled.get() ? null : Boolean.valueOf(ret);
+ }
+
+ @Override
+ public final boolean runTick() {
+ // Remember, we are supposed use setScheduledStart if we return true here, otherwise
+ // the scheduler will try to schedule for the same time.
+ if (this.cancelled.get()) {
+ return false;
+ }
+
+ final long cpuStart = MEASURE_CPU_TIME ? THREAD_MX_BEAN.getCurrentThreadCpuTime() : 0L;
+ final long tickStart = System.nanoTime();
+
+ // use max(), don't assume that tickStart >= scheduledStart
+ final int tickCount = Math.max(1, this.tickSchedule.getPeriodsAhead(TIME_BETWEEN_TICKS, tickStart));
+
+ if (!this.tryMarkTicking()) {
+ if (!this.cancelled.get()) {
+ throw new IllegalStateException("Scheduled region should be acquirable");
+ }
+ // region was killed
+ return false;
+ }
+ if (this.cancelled.get()) {
+ this.markNotTicking();
+ // region should be killed
+ return false;
+ }
+
+ TickRegionScheduler.setTickTask(this);
+ if (this.region != null) {
+ TickRegionScheduler.setTickingRegion(this.region.region);
+ }
+ this.incrementTickCount();
+ final long lastTickStart = this.lastTickStart;
+ this.lastTickStart = tickStart;
+
+ final long scheduledStart = this.getScheduledStart();
+ final long scheduledEnd = scheduledStart + TIME_BETWEEN_TICKS;
+
+ synchronized (this) {
+ this.currentTickData = new TickTime(
+ lastTickStart, scheduledStart, tickStart, cpuStart,
+ SchedulerThreadPool.DEADLINE_NOT_SET, SchedulerThreadPool.DEADLINE_NOT_SET, MEASURE_CPU_TIME,
+ true
+ );
+ this.currentTickingThread = Thread.currentThread();
+ }
+
+ try {
+ // next start isn't updated until the end of this tick
+ this.tickRegion(tickCount, tickStart, scheduledEnd);
+ } catch (final Throwable thr) {
+ this.scheduler.regionFailed(this, false, thr);
+ if (thr instanceof ThreadDeath) {
+ throw (ThreadDeath)thr;
+ }
+ // regionFailed will schedule a shutdown, so we should avoid letting this region tick further
+ return false;
+ } finally {
+ final long tickEnd = System.nanoTime();
+ final long cpuEnd = MEASURE_CPU_TIME ? THREAD_MX_BEAN.getCurrentThreadCpuTime() : 0L;
+
+ // in order to ensure all regions get their chance at scheduling, we have to ensure that regions
+ // that exceed the max tick time are not always prioritised over everything else. Thus, we use the greatest
+ // of the current time and "ideal" next tick start.
+ this.tickSchedule.advanceBy(tickCount, TIME_BETWEEN_TICKS);
+ this.setScheduledStart(TimeUtil.getGreatestTime(tickEnd, this.tickSchedule.getDeadline(TIME_BETWEEN_TICKS)));
+
+ final TickTime time = new TickTime(
+ lastTickStart, scheduledStart, tickStart, cpuStart, tickEnd, cpuEnd, MEASURE_CPU_TIME, true
+ );
+
+ this.addTickTime(time);
+ TickRegionScheduler.setTickTask(null);
+ if (this.region != null) {
+ TickRegionScheduler.setTickingRegion(null);
+ }
+ }
+
+ // Only AFTER updating the tickStart
+ return this.markNotTicking() && !this.cancelled.get();
+ }
+
+ /**
+ * Only safe to call if this tick data matches the current ticking region.
+ */
+ protected void addTickTime(final TickTime time) {
+ synchronized (this) {
+ this.currentTickData = null;
+ this.currentTickingThread = null;
+ this.tickTimes5s.addDataFrom(time);
+ this.tickTimes15s.addDataFrom(time);
+ this.tickTimes1m.addDataFrom(time);
+ this.tickTimes5m.addDataFrom(time);
+ this.tickTimes15m.addDataFrom(time);
+ }
+ }
+
+ private TickTime adjustCurrentTickData(final long tickEnd) {
+ final TickTime currentTickData = this.currentTickData;
+ if (currentTickData == null) {
+ return null;
+ }
+
+ final long cpuEnd = MEASURE_CPU_TIME ? THREAD_MX_BEAN.getThreadCpuTime(this.currentTickingThread.getId()) : 0L;
+
+ return new TickTime(
+ currentTickData.previousTickStart(), currentTickData.scheduledTickStart(),
+ currentTickData.tickStart(), currentTickData.tickStartCPU(),
+ tickEnd, cpuEnd,
+ MEASURE_CPU_TIME, currentTickData.isTickExecution()
+ );
+ }
+
+ public final TickData.TickReportData getTickReport5s(final long currTime) {
+ synchronized (this) {
+ return this.tickTimes5s.generateTickReport(this.adjustCurrentTickData(currTime), currTime);
+ }
+ }
+
+ public final TickData.TickReportData getTickReport15s(final long currTime) {
+ synchronized (this) {
+ return this.tickTimes15s.generateTickReport(this.adjustCurrentTickData(currTime), currTime);
+ }
+ }
+
+ public final TickData.TickReportData getTickReport1m(final long currTime) {
+ synchronized (this) {
+ return this.tickTimes1m.generateTickReport(this.adjustCurrentTickData(currTime), currTime);
+ }
+ }
+
+ public final TickData.TickReportData getTickReport5m(final long currTime) {
+ synchronized (this) {
+ return this.tickTimes5m.generateTickReport(this.adjustCurrentTickData(currTime), currTime);
+ }
+ }
+
+ public final TickData.TickReportData getTickReport15m(final long currTime) {
+ synchronized (this) {
+ return this.tickTimes15m.generateTickReport(this.adjustCurrentTickData(currTime), currTime);
+ }
+ }
+
+ /**
+ * Only safe to call if this tick data matches the current ticking region.
+ */
+ private void incrementTickCount() {
+ ++this.currentTick;
+ }
+
+ /**
+ * Only safe to call if this tick data matches the current ticking region.
+ */
+ public final long getCurrentTick() {
+ return this.currentTick;
+ }
+
+ protected final void setCurrentTick(final long value) {
+ this.currentTick = value;
+ }
+ }
+
+ // All time units are in nanoseconds.
+ public static final record TickTime(
+ long previousTickStart,
+ long scheduledTickStart,
+ long tickStart,
+ long tickStartCPU,
+ long tickEnd,
+ long tickEndCPU,
+ boolean supportCPUTime,
+ boolean isTickExecution
+ ) {
+ /**
+ * The difference between the start tick time and the scheduled start tick time. This value is
+ * < 0 if the tick started before the scheduled tick time.
+ * Only valid when {@link #isTickExecution()} is {@code true}.
+ */
+ public final long startOvershoot() {
+ return this.tickStart - this.scheduledTickStart;
+ }
+
+ /**
+ * The difference from the end tick time and the start tick time. Always >= 0 (unless nanoTime is just wrong).
+ */
+ public final long tickLength() {
+ return this.tickEnd - this.tickStart;
+ }
+
+ /**
+ * The total CPU time from the start tick time to the end tick time. Generally should be equal to the tickLength,
+ * unless there is CPU starvation or the tick thread was blocked by I/O or other tasks. Returns Long.MIN_VALUE
+ * if CPU time measurement is not supported.
+ */
+ public final long tickCpuTime() {
+ if (!this.supportCPUTime()) {
+ return Long.MIN_VALUE;
+ }
+ return this.tickEndCPU - this.tickStartCPU;
+ }
+
+ /**
+ * The difference in time from the start of the last tick to the start of the current tick. If there is no
+ * last tick, then this value is max(TIME_BETWEEN_TICKS, tickLength).
+ * Only valid when {@link #isTickExecution()} is {@code true}.
+ */
+ public final long differenceFromLastTick() {
+ if (this.hasLastTick()) {
+ return this.tickStart - this.previousTickStart;
+ }
+ return Math.max(TIME_BETWEEN_TICKS, this.tickLength());
+ }
+
+ /**
+ * Returns whether there was a tick that occurred before this one.
+ * Only valid when {@link #isTickExecution()} is {@code true}.
+ */
+ public boolean hasLastTick() {
+ return this.previousTickStart != SchedulerThreadPool.DEADLINE_NOT_SET;
+ }
+
+ /*
+ * Remember, this is the expected behavior of the following:
+ *
+ * MSPT: Time per tick. This does not include overshoot time, just the tickLength().
+ *
+ * TPS: The number of ticks per second. It should be ticks / (sum of differenceFromLastTick).
+ */
+ }
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/TickRegions.java b/src/main/java/io/papermc/paper/threadedregions/TickRegions.java
index d5d39e9c1f326e91010237b0db80d527ac52f4d6..924ade31b788b161a7c8f587504b2fc86932a2ee 100644
--- a/src/main/java/io/papermc/paper/threadedregions/TickRegions.java
+++ b/src/main/java/io/papermc/paper/threadedregions/TickRegions.java
@@ -1,9 +1,409 @@
package io.papermc.paper.threadedregions;
-// placeholder class for Folia
-public class TickRegions {
+import ca.spottedleaf.concurrentutil.scheduler.SchedulerThreadPool;
+import ca.spottedleaf.concurrentutil.util.TimeUtil;
+import com.mojang.logging.LogUtils;
+import io.papermc.paper.chunk.system.scheduling.ChunkHolderManager;
+import io.papermc.paper.configuration.GlobalConfiguration;
+import it.unimi.dsi.fastutil.longs.Long2ReferenceMap;
+import it.unimi.dsi.fastutil.longs.Long2ReferenceOpenHashMap;
+import it.unimi.dsi.fastutil.objects.Reference2ReferenceMap;
+import it.unimi.dsi.fastutil.objects.Reference2ReferenceOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerLevel;
+import org.slf4j.Logger;
+import java.util.Iterator;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.BooleanSupplier;
+
+public final class TickRegions implements ThreadedRegionizer.RegionCallbacks<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> {
+
+ private static final Logger LOGGER = LogUtils.getLogger();
+ private static int regionShift = 31;
public static int getRegionChunkShift() {
- return 4;
+ return regionShift;
+ }
+
+ private static boolean initialised;
+ private static TickRegionScheduler scheduler;
+
+ public static TickRegionScheduler getScheduler() {
+ return scheduler;
+ }
+
+ public static void init(final GlobalConfiguration.ThreadedRegions config) {
+ if (initialised) {
+ return;
+ }
+ initialised = true;
+ int gridExponent = config.gridExponent;
+ gridExponent = Math.max(0, gridExponent);
+ gridExponent = Math.min(31, gridExponent);
+ regionShift = gridExponent;
+
+ int tickThreads;
+ if (config.threads <= 0) {
+ tickThreads = Runtime.getRuntime().availableProcessors() / 2;
+ if (tickThreads <= 4) {
+ tickThreads = 1;
+ } else {
+ tickThreads = tickThreads / 4;
+ }
+ } else {
+ tickThreads = config.threads;
+ }
+
+ scheduler = new TickRegionScheduler(tickThreads);
+ LOGGER.info("Regionised ticking is enabled with " + tickThreads + " tick threads");
+ }
+
+ @Override
+ public TickRegionData createNewData(final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region) {
+ return new TickRegionData(region);
+ }
+
+ @Override
+ public TickRegionSectionData createNewSectionData(final int sectionX, final int sectionZ, final int sectionShift) {
+ return null;
+ }
+
+ @Override
+ public void onRegionCreate(final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region) {
+ final TickRegionData data = region.getData();
+ // post-region merge/split regioninfo update
+ data.getRegionStats().updateFrom(data.getOrCreateRegionizedData(data.world.worldRegionData));
+ }
+
+ @Override
+ public void onRegionDestroy(final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region) {
+ // nothing for now
+ }
+
+ @Override
+ public void onRegionActive(final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region) {
+ final TickRegionData data = region.getData();
+
+ data.tickHandle.checkInitialSchedule();
+ scheduler.scheduleRegion(data.tickHandle);
+ }
+
+ @Override
+ public void onRegionInactive(final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region) {
+ final TickRegionData data = region.getData();
+
+ scheduler.descheduleRegion(data.tickHandle);
+ // old handle cannot be scheduled anymore, copy to a new handle
+ data.tickHandle = data.tickHandle.copy();
+ }
+
+ @Override
+ public void preMerge(final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> from,
+ final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> into) {
+
+ }
+
+ @Override
+ public void preSplit(final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> from,
+ final java.util.List<ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData>> into) {
+
+ }
+
+ public static final class TickRegionSectionData implements ThreadedRegionizer.ThreadedRegionSectionData {}
+
+ public static final class RegionStats {
+
+ private final AtomicInteger entityCount = new AtomicInteger();
+ private final AtomicInteger playerCount = new AtomicInteger();
+ private final AtomicInteger chunkCount = new AtomicInteger();
+
+ public int getEntityCount() {
+ return this.entityCount.get();
+ }
+
+ public int getPlayerCount() {
+ return this.playerCount.get();
+ }
+
+ public int getChunkCount() {
+ return this.chunkCount.get();
+ }
+
+ void updateFrom(final RegionizedWorldData data) {
+ this.entityCount.setRelease(data == null ? 0 : data.getEntityCount());
+ this.playerCount.setRelease(data == null ? 0 : data.getPlayerCount());
+ this.chunkCount.setRelease(data == null ? 0 : data.getChunkCount());
+ }
+
+ static void updateCurrentRegion() {
+ TickRegionScheduler.getCurrentRegion().getData().getRegionStats().updateFrom(TickRegionScheduler.getCurrentRegionizedWorldData());
+ }
+ }
+
+ public static final class TickRegionData implements ThreadedRegionizer.ThreadedRegionData<TickRegionData, TickRegionSectionData> {
+
+ private static final AtomicLong ID_GENERATOR = new AtomicLong();
+ /** Never 0L, since 0L is reserved for global region. */
+ public final long id = ID_GENERATOR.incrementAndGet();
+
+ public final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region;
+ public final ServerLevel world;
+
+ // generic regionised data
+ private final Reference2ReferenceOpenHashMap<RegionizedData<?>, Object> regionizedData = new Reference2ReferenceOpenHashMap<>();
+
+ // tick data
+ private ConcreteRegionTickHandle tickHandle = new ConcreteRegionTickHandle(this, SchedulerThreadPool.DEADLINE_NOT_SET);
+
+ // queue data
+ private final RegionizedTaskQueue.RegionTaskQueueData taskQueueData;
+
+ // chunk holder manager data
+ private final ChunkHolderManager.HolderManagerRegionData holderManagerRegionData = new ChunkHolderManager.HolderManagerRegionData();
+
+ // async-safe read-only region data
+ private final RegionStats regionStats;
+
+ private TickRegionData(final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region) {
+ this.region = region;
+ this.world = region.regioniser.world;
+ this.taskQueueData = new RegionizedTaskQueue.RegionTaskQueueData(this.world.taskQueueRegionData);
+ this.regionStats = new RegionStats();
+ }
+
+ public RegionStats getRegionStats() {
+ return this.regionStats;
+ }
+
+ public RegionizedTaskQueue.RegionTaskQueueData getTaskQueueData() {
+ return this.taskQueueData;
+ }
+
+ // the value returned can be invalidated at any time, except when the caller
+ // is ticking this region
+ public TickRegionScheduler.RegionScheduleHandle getRegionSchedulingHandle() {
+ return this.tickHandle;
+ }
+
+ public long getCurrentTick() {
+ return this.tickHandle.getCurrentTick();
+ }
+
+ public ChunkHolderManager.HolderManagerRegionData getHolderManagerRegionData() {
+ return this.holderManagerRegionData;
+ }
+
+ <T> T getRegionizedData(final RegionizedData<T> regionizedData) {
+ return (T)this.regionizedData.get(regionizedData);
+ }
+
+ <T> T getOrCreateRegionizedData(final RegionizedData<T> regionizedData) {
+ T ret = (T)this.regionizedData.get(regionizedData);
+
+ if (ret != null) {
+ return ret;
+ }
+
+ ret = regionizedData.createNewValue();
+ this.regionizedData.put(regionizedData, ret);
+
+ return ret;
+ }
+
+ @Override
+ public void split(final ThreadedRegionizer<TickRegionData, TickRegionSectionData> regioniser,
+ final Long2ReferenceOpenHashMap<ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData>> into,
+ final ReferenceOpenHashSet<ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData>> regions) {
+ final int shift = regioniser.sectionChunkShift;
+
+ // tick data
+ // note: here it is OK force us to access tick handle, as this region is owned (and thus not scheduled),
+ // and the other regions to split into are not scheduled yet.
+ for (final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region : regions) {
+ final TickRegionData data = region.getData();
+ data.tickHandle.copyDeadlineAndTickCount(this.tickHandle);
+ }
+
+ // generic regionised data
+ for (final Iterator<Reference2ReferenceMap.Entry<RegionizedData<?>, Object>> dataIterator = this.regionizedData.reference2ReferenceEntrySet().fastIterator();
+ dataIterator.hasNext();) {
+ final Reference2ReferenceMap.Entry<RegionizedData<?>, Object> regionDataEntry = dataIterator.next();
+ final RegionizedData<?> data = regionDataEntry.getKey();
+ final Object from = regionDataEntry.getValue();
+
+ final ReferenceOpenHashSet<Object> dataSet = new ReferenceOpenHashSet<>(regions.size(), 0.75f);
+
+ for (final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region : regions) {
+ dataSet.add(region.getData().getOrCreateRegionizedData(data));
+ }
+
+ final Long2ReferenceOpenHashMap<Object> regionToData = new Long2ReferenceOpenHashMap<>(into.size(), 0.75f);
+
+ for (final Iterator<Long2ReferenceMap.Entry<ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData>>> regionIterator = into.long2ReferenceEntrySet().fastIterator();
+ regionIterator.hasNext();) {
+ final Long2ReferenceMap.Entry<ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData>> entry = regionIterator.next();
+ final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region = entry.getValue();
+ final Object to = region.getData().getOrCreateRegionizedData(data);
+
+ regionToData.put(entry.getLongKey(), to);
+ }
+
+ ((RegionizedData<Object>)data).getCallback().split(from, shift, regionToData, dataSet);
+ }
+
+ // chunk holder manager data
+ {
+ final ReferenceOpenHashSet<ChunkHolderManager.HolderManagerRegionData> dataSet = new ReferenceOpenHashSet<>(regions.size(), 0.75f);
+
+ for (final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region : regions) {
+ dataSet.add(region.getData().holderManagerRegionData);
+ }
+
+ final Long2ReferenceOpenHashMap<ChunkHolderManager.HolderManagerRegionData> regionToData = new Long2ReferenceOpenHashMap<>(into.size(), 0.75f);
+
+ for (final Iterator<Long2ReferenceMap.Entry<ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData>>> regionIterator = into.long2ReferenceEntrySet().fastIterator();
+ regionIterator.hasNext();) {
+ final Long2ReferenceMap.Entry<ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData>> entry = regionIterator.next();
+ final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> region = entry.getValue();
+ final ChunkHolderManager.HolderManagerRegionData to = region.getData().holderManagerRegionData;
+
+ regionToData.put(entry.getLongKey(), to);
+ }
+
+ this.holderManagerRegionData.split(shift, regionToData, dataSet);
+ }
+
+ // task queue
+ this.taskQueueData.split(regioniser, into);
+ }
+
+ @Override
+ public void mergeInto(final ThreadedRegionizer.ThreadedRegion<TickRegionData, TickRegionSectionData> into) {
+ // Note: merge target is always a region being released from ticking
+ final TickRegionData data = into.getData();
+ final long currentTickTo = data.getCurrentTick();
+ final long currentTickFrom = this.getCurrentTick();
+
+ // here we can access tickHandle because the target (into) is the region being released, so it is
+ // not actually scheduled
+ // there's not really a great solution to the tick problem, no matter what it'll be messed up
+ // we will pick the greatest time delay so that tps will not exceed TICK_RATE
+ data.tickHandle.updateSchedulingToMax(this.tickHandle);
+
+ // generic regionised data
+ final long fromTickOffset = currentTickTo - currentTickFrom; // see merge jd
+ for (final Iterator<Reference2ReferenceMap.Entry<RegionizedData<?>, Object>> iterator = this.regionizedData.reference2ReferenceEntrySet().fastIterator();
+ iterator.hasNext();) {
+ final Reference2ReferenceMap.Entry<RegionizedData<?>, Object> entry = iterator.next();
+ final RegionizedData<?> regionizedData = entry.getKey();
+ final Object from = entry.getValue();
+ final Object to = into.getData().getOrCreateRegionizedData(regionizedData);
+
+ ((RegionizedData<Object>)regionizedData).getCallback().merge(from, to, fromTickOffset);
+ }
+
+ // chunk holder manager data
+ this.holderManagerRegionData.merge(into.getData().holderManagerRegionData, fromTickOffset);
+
+ // task queue
+ this.taskQueueData.mergeInto(data.taskQueueData);
+ }
+ }
+
+ private static final class ConcreteRegionTickHandle extends TickRegionScheduler.RegionScheduleHandle {
+
+ private final TickRegionData region;
+
+ private ConcreteRegionTickHandle(final TickRegionData region, final long start) {
+ super(region, start);
+ this.region = region;
+ }
+
+ private ConcreteRegionTickHandle copy() {
+ final ConcreteRegionTickHandle ret = new ConcreteRegionTickHandle(this.region, this.getScheduledStart());
+
+ ret.currentTick = this.currentTick;
+ ret.lastTickStart = this.lastTickStart;
+ ret.tickSchedule.setLastPeriod(this.tickSchedule.getLastPeriod());
+
+ return ret;
+ }
+
+ private void updateSchedulingToMax(final ConcreteRegionTickHandle from) {
+ if (from.getScheduledStart() == SchedulerThreadPool.DEADLINE_NOT_SET) {
+ return;
+ }
+
+ if (this.getScheduledStart() == SchedulerThreadPool.DEADLINE_NOT_SET) {
+ this.updateScheduledStart(from.getScheduledStart());
+ return;
+ }
+
+ this.updateScheduledStart(TimeUtil.getGreatestTime(from.getScheduledStart(), this.getScheduledStart()));
+ }
+
+ private void copyDeadlineAndTickCount(final ConcreteRegionTickHandle from) {
+ this.currentTick = from.currentTick;
+
+ if (from.getScheduledStart() == SchedulerThreadPool.DEADLINE_NOT_SET) {
+ return;
+ }
+
+ this.tickSchedule.setLastPeriod(from.tickSchedule.getLastPeriod());
+ this.setScheduledStart(from.getScheduledStart());
+ }
+
+ private void checkInitialSchedule() {
+ if (this.getScheduledStart() == SchedulerThreadPool.DEADLINE_NOT_SET) {
+ this.updateScheduledStart(System.nanoTime() + TickRegionScheduler.TIME_BETWEEN_TICKS);
+ }
+ }
+
+ @Override
+ protected boolean tryMarkTicking() {
+ return this.region.region.tryMarkTicking(ConcreteRegionTickHandle.this::isMarkedAsNonSchedulable);
+ }
+
+ @Override
+ protected boolean markNotTicking() {
+ return this.region.region.markNotTicking();
+ }
+
+ @Override
+ protected void tickRegion(final int tickCount, final long startTime, final long scheduledEnd) {
+ MinecraftServer.getServer().tickServer(startTime, scheduledEnd, TimeUnit.MILLISECONDS.toMillis(10L), this.region);
+ }
+
+ @Override
+ protected boolean runRegionTasks(final BooleanSupplier canContinue) {
+ final RegionizedTaskQueue.RegionTaskQueueData queue = this.region.taskQueueData;
+
+ boolean processedChunkTask = false;
+
+ boolean executeChunkTask = true;
+ boolean executeTickTask = true;
+ do {
+ if (executeTickTask) {
+ executeTickTask = queue.executeTickTask();
+ }
+ if (executeChunkTask) {
+ processedChunkTask |= (executeChunkTask = queue.executeChunkTask());
+ }
+ } while ((executeChunkTask | executeTickTask) && canContinue.getAsBoolean());
+
+ if (processedChunkTask) {
+ // if we processed any chunk tasks, try to process ticket level updates for full status changes
+ this.region.world.chunkTaskScheduler.chunkHolderManager.processTicketUpdates();
+ }
+ return true;
+ }
+
+ @Override
+ protected boolean hasIntermediateTasks() {
+ return this.region.taskQueueData.hasTasks();
+ }
}
}
diff --git a/src/main/java/io/papermc/paper/threadedregions/commands/CommandServerHealth.java b/src/main/java/io/papermc/paper/threadedregions/commands/CommandServerHealth.java
new file mode 100644
index 0000000000000000000000000000000000000000..3bcb1dc98c61e025874cc9e008faa722581a530c
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/commands/CommandServerHealth.java
@@ -0,0 +1,355 @@
+package io.papermc.paper.threadedregions.commands;
+
+import io.papermc.paper.threadedregions.RegionizedServer;
+import io.papermc.paper.threadedregions.RegionizedWorldData;
+import io.papermc.paper.threadedregions.ThreadedRegionizer;
+import io.papermc.paper.threadedregions.TickData;
+import io.papermc.paper.threadedregions.TickRegionScheduler;
+import io.papermc.paper.threadedregions.TickRegions;
+import it.unimi.dsi.fastutil.doubles.DoubleArrayList;
+import it.unimi.dsi.fastutil.objects.ObjectObjectImmutablePair;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.event.ClickEvent;
+import net.kyori.adventure.text.event.HoverEvent;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextColor;
+import net.kyori.adventure.text.format.TextDecoration;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.ChunkPos;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Locale;
+
+public final class CommandServerHealth extends Command {
+
+ private static final ThreadLocal<DecimalFormat> TWO_DECIMAL_PLACES = ThreadLocal.withInitial(() -> {
+ return new DecimalFormat("#,##0.00");
+ });
+ private static final ThreadLocal<DecimalFormat> ONE_DECIMAL_PLACES = ThreadLocal.withInitial(() -> {
+ return new DecimalFormat("#,##0.0");
+ });
+ private static final ThreadLocal<DecimalFormat> NO_DECIMAL_PLACES = ThreadLocal.withInitial(() -> {
+ return new DecimalFormat("#,##0");
+ });
+
+ private static final TextColor HEADER = TextColor.color(79, 164, 240);
+ private static final TextColor PRIMARY = TextColor.color(48, 145, 237);
+ private static final TextColor SECONDARY = TextColor.color(104, 177, 240);
+ private static final TextColor INFORMATION = TextColor.color(145, 198, 243);
+ private static final TextColor LIST = TextColor.color(33, 97, 188);
+
+ public CommandServerHealth() {
+ super("tps");
+ this.setUsage("/<command> [server/region] [lowest regions to display]");
+ this.setDescription("Reports information about server health.");
+ this.setPermission("bukkit.command.tps");
+ }
+
+ private static Component formatRegionInfo(final String prefix, final double util, final double mspt, final double tps,
+ final boolean newline) {
+ return Component.text()
+ .append(Component.text(prefix, PRIMARY, TextDecoration.BOLD))
+ .append(Component.text(ONE_DECIMAL_PLACES.get().format(util * 100.0), CommandUtil.getUtilisationColourRegion(util)))
+ .append(Component.text("% util at ", PRIMARY))
+ .append(Component.text(TWO_DECIMAL_PLACES.get().format(mspt), CommandUtil.getColourForMSPT(mspt)))
+ .append(Component.text(" MSPT at ", PRIMARY))
+ .append(Component.text(TWO_DECIMAL_PLACES.get().format(tps), CommandUtil.getColourForTPS(tps)))
+ .append(Component.text(" TPS" + (newline ? "\n" : ""), PRIMARY))
+ .build();
+ }
+
+ private static Component formatRegionStats(final TickRegions.RegionStats stats, final boolean newline) {
+ return Component.text()
+ .append(Component.text("Chunks: ", PRIMARY))
+ .append(Component.text(NO_DECIMAL_PLACES.get().format((long)stats.getChunkCount()), INFORMATION))
+ .append(Component.text(" Players: ", PRIMARY))
+ .append(Component.text(NO_DECIMAL_PLACES.get().format((long)stats.getPlayerCount()), INFORMATION))
+ .append(Component.text(" Entities: ", PRIMARY))
+ .append(Component.text(NO_DECIMAL_PLACES.get().format((long)stats.getEntityCount()) + (newline ? "\n" : ""), INFORMATION))
+ .build();
+ }
+
+ private static boolean executeRegion(final CommandSender sender, final String commandLabel, final String[] args) {
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ TickRegionScheduler.getCurrentRegion();
+ if (region == null) {
+ sender.sendMessage(Component.text("You are not in a region currently", NamedTextColor.RED));
+ return true;
+ }
+
+ final long currTime = System.nanoTime();
+
+ final TickData.TickReportData report15s = region.getData().getRegionSchedulingHandle().getTickReport15s(currTime);
+ final TickData.TickReportData report1m = region.getData().getRegionSchedulingHandle().getTickReport1m(currTime);
+
+ final ServerLevel world = region.regioniser.world;
+ final ChunkPos chunkCenter = region.getCenterChunk();
+ final int centerBlockX = ((chunkCenter.x << 4) | 7);
+ final int centerBlockZ = ((chunkCenter.z << 4) | 7);
+
+ final double util15s = report15s.utilisation();
+ final double tps15s = report15s.tpsData().segmentAll().average();
+ final double mspt15s = report15s.timePerTickData().segmentAll().average() / 1.0E6;
+
+ final double util1m = report1m.utilisation();
+ final double tps1m = report1m.tpsData().segmentAll().average();
+ final double mspt1m = report1m.timePerTickData().segmentAll().average() / 1.0E6;
+
+ final int yLoc = 80;
+ final String location = "[w:'" + world.getWorld().getName() + "'," + centerBlockX + "," + yLoc + "," + centerBlockZ + "]";
+
+ final Component line = Component.text()
+ .append(Component.text("Region around block ", PRIMARY))
+ .append(Component.text(location, INFORMATION))
+ .append(Component.text(":\n", PRIMARY))
+
+ .append(
+ formatRegionInfo("15s: ", util15s, mspt15s, tps15s, true)
+ )
+ .append(
+ formatRegionInfo("1m: ", util1m, mspt1m, tps1m, true)
+ )
+ .append(
+ formatRegionStats(region.getData().getRegionStats(), false)
+ )
+
+ .build();
+
+ sender.sendMessage(line);
+
+ return true;
+ }
+
+ private static boolean executeServer(final CommandSender sender, final String commandLabel, final String[] args) {
+ final int lowestRegionsCount;
+ if (args.length < 2) {
+ lowestRegionsCount = 3;
+ } else {
+ try {
+ lowestRegionsCount = Integer.parseInt(args[1]);
+ } catch (final NumberFormatException ex) {
+ sender.sendMessage(Component.text("Highest utilisation count '" + args[1] + "' must be an integer", NamedTextColor.RED));
+ return true;
+ }
+ }
+
+ final List<ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>> regions =
+ new ArrayList<>();
+
+ for (final World bukkitWorld : Bukkit.getWorlds()) {
+ final ServerLevel world = ((CraftWorld)bukkitWorld).getHandle();
+ world.regioniser.computeForAllRegions(regions::add);
+ }
+
+ final double minTps;
+ final double medianTps;
+ final double maxTps;
+ double totalUtil = 0.0;
+
+ final DoubleArrayList tpsByRegion = new DoubleArrayList();
+ final List<TickData.TickReportData> reportsByRegion = new ArrayList<>();
+ final int maxThreadCount = TickRegions.getScheduler().getTotalThreadCount();
+
+ final long currTime = System.nanoTime();
+ final TickData.TickReportData globalTickReport = RegionizedServer.getGlobalTickData().getTickReport15s(currTime);
+
+ for (final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region : regions) {
+ final TickData.TickReportData report = region.getData().getRegionSchedulingHandle().getTickReport15s(currTime);
+ tpsByRegion.add(report == null ? 20.0 : report.tpsData().segmentAll().average());
+ reportsByRegion.add(report);
+ totalUtil += (report == null ? 0.0 : report.utilisation());
+ }
+
+ totalUtil += globalTickReport.utilisation();
+
+ tpsByRegion.sort(null);
+ if (!tpsByRegion.isEmpty()) {
+ minTps = tpsByRegion.getDouble(0);
+ maxTps = tpsByRegion.getDouble(tpsByRegion.size() - 1);
+
+ final int middle = tpsByRegion.size() >> 1;
+ if ((tpsByRegion.size() & 1) == 0) {
+ // even, average the two middle points
+ medianTps = (tpsByRegion.getDouble(middle - 1) + tpsByRegion.getDouble(middle)) / 2.0;
+ } else {
+ // odd, can just grab middle
+ medianTps = tpsByRegion.getDouble(middle);
+ }
+ } else {
+ // no regions = green
+ minTps = medianTps = maxTps = 20.0;
+ }
+
+ final List<ObjectObjectImmutablePair<ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>, TickData.TickReportData>>
+ regionsBelowThreshold = new ArrayList<>();
+
+ for (int i = 0, len = regions.size(); i < len; ++i) {
+ final TickData.TickReportData report = reportsByRegion.get(i);
+
+ regionsBelowThreshold.add(new ObjectObjectImmutablePair<>(regions.get(i), report));
+ }
+
+ regionsBelowThreshold.sort((p1, p2) -> {
+ final TickData.TickReportData report1 = p1.right();
+ final TickData.TickReportData report2 = p2.right();
+ final double util1 = report1 == null ? 0.0 : report1.utilisation();
+ final double util2 = report2 == null ? 0.0 : report2.utilisation();
+
+ // we want the largest first
+ return Double.compare(util2, util1);
+ });
+
+ final TextComponent.Builder lowestRegionsBuilder = Component.text();
+
+ if (sender instanceof Player) {
+ lowestRegionsBuilder.append(Component.text(" Click to teleport\n", SECONDARY));
+ }
+ for (int i = 0, len = Math.min(lowestRegionsCount, regionsBelowThreshold.size()); i < len; ++i) {
+ final ObjectObjectImmutablePair<ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>, TickData.TickReportData>
+ pair = regionsBelowThreshold.get(i);
+
+ final TickData.TickReportData report = pair.right();
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ pair.left();
+
+ if (report == null) {
+ // skip regions with no data
+ continue;
+ }
+
+ final ServerLevel world = region.regioniser.world;
+ final ChunkPos chunkCenter = region.getCenterChunk();
+ if (chunkCenter == null) {
+ // region does not exist anymore
+ continue;
+ }
+ final int centerBlockX = ((chunkCenter.x << 4) | 7);
+ final int centerBlockZ = ((chunkCenter.z << 4) | 7);
+ final double util = report.utilisation();
+ final double tps = report.tpsData().segmentAll().average();
+ final double mspt = report.timePerTickData().segmentAll().average() / 1.0E6;
+
+ final int yLoc = 80;
+ final String location = "[w:'" + world.getWorld().getName() + "'," + centerBlockX + "," + yLoc + "," + centerBlockZ + "]";
+ final Component line = Component.text()
+ .append(Component.text(" - ", LIST, TextDecoration.BOLD))
+ .append(Component.text("Region around block ", PRIMARY))
+ .append(Component.text(location, INFORMATION))
+ .append(Component.text(":\n", PRIMARY))
+
+ .append(Component.text(" ", PRIMARY))
+ .append(Component.text(ONE_DECIMAL_PLACES.get().format(util * 100.0), CommandUtil.getUtilisationColourRegion(util)))
+ .append(Component.text("% util at ", PRIMARY))
+ .append(Component.text(TWO_DECIMAL_PLACES.get().format(mspt), CommandUtil.getColourForMSPT(mspt)))
+ .append(Component.text(" MSPT at ", PRIMARY))
+ .append(Component.text(TWO_DECIMAL_PLACES.get().format(tps), CommandUtil.getColourForTPS(tps)))
+ .append(Component.text(" TPS\n", PRIMARY))
+
+ .append(Component.text(" ", PRIMARY))
+ .append(formatRegionStats(region.getData().getRegionStats(), (i + 1) != len))
+ .build()
+
+ .clickEvent(ClickEvent.clickEvent(ClickEvent.Action.RUN_COMMAND, "/minecraft:execute as @s in " + world.getWorld().getKey().toString() + " run tp " + centerBlockX + ".5 " + yLoc + " " + centerBlockZ + ".5"))
+ .hoverEvent(HoverEvent.hoverEvent(HoverEvent.Action.SHOW_TEXT, Component.text("Click to teleport to " + location, SECONDARY)));
+
+ lowestRegionsBuilder.append(line);
+ }
+
+ sender.sendMessage(
+ Component.text()
+ .append(Component.text("Server Health Report\n", HEADER, TextDecoration.BOLD))
+
+ .append(Component.text(" - ", LIST, TextDecoration.BOLD))
+ .append(Component.text("Online Players: ", PRIMARY))
+ .append(Component.text(Bukkit.getOnlinePlayers().size() + "\n", INFORMATION))
+
+ .append(Component.text(" - ", LIST, TextDecoration.BOLD))
+ .append(Component.text("Total regions: ", PRIMARY))
+ .append(Component.text(regions.size() + "\n", INFORMATION))
+
+ .append(Component.text(" - ", LIST, TextDecoration.BOLD))
+ .append(Component.text("Utilisation: ", PRIMARY))
+ .append(Component.text(ONE_DECIMAL_PLACES.get().format(totalUtil * 100.0), CommandUtil.getUtilisationColourRegion(totalUtil / (double)maxThreadCount)))
+ .append(Component.text("% / ", PRIMARY))
+ .append(Component.text(ONE_DECIMAL_PLACES.get().format(maxThreadCount * 100.0), INFORMATION))
+ .append(Component.text("%\n", PRIMARY))
+
+ .append(Component.text(" - ", LIST, TextDecoration.BOLD))
+ .append(Component.text("Lowest Region TPS: ", PRIMARY))
+ .append(Component.text(TWO_DECIMAL_PLACES.get().format(minTps) + "\n", CommandUtil.getColourForTPS(minTps)))
+
+
+ .append(Component.text(" - ", LIST, TextDecoration.BOLD))
+ .append(Component.text("Median Region TPS: ", PRIMARY))
+ .append(Component.text(TWO_DECIMAL_PLACES.get().format(medianTps) + "\n", CommandUtil.getColourForTPS(medianTps)))
+
+ .append(Component.text(" - ", LIST, TextDecoration.BOLD))
+ .append(Component.text("Highest Region TPS: ", PRIMARY))
+ .append(Component.text(TWO_DECIMAL_PLACES.get().format(maxTps) + "\n", CommandUtil.getColourForTPS(maxTps)))
+
+ .append(Component.text("Highest ", HEADER, TextDecoration.BOLD))
+ .append(Component.text(Integer.toString(lowestRegionsCount), INFORMATION, TextDecoration.BOLD))
+ .append(Component.text(" utilisation regions\n", HEADER, TextDecoration.BOLD))
+
+ .append(lowestRegionsBuilder.build())
+ .build()
+ );
+
+ return true;
+ }
+
+ @Override
+ public boolean execute(final CommandSender sender, final String commandLabel, final String[] args) {
+ final String type;
+ if (args.length < 1) {
+ type = "server";
+ } else {
+ type = args[0];
+ }
+
+ switch (type.toLowerCase(Locale.ROOT)) {
+ case "server": {
+ return executeServer(sender, commandLabel, args);
+ }
+ case "region": {
+ if (!(sender instanceof Entity)) {
+ sender.sendMessage(Component.text("Cannot see current region information as console", NamedTextColor.RED));
+ return true;
+ }
+ return executeRegion(sender, commandLabel, args);
+ }
+ default: {
+ sender.sendMessage(Component.text("Type '" + args[0] + "' must be one of: [server, region]", NamedTextColor.RED));
+ return true;
+ }
+ }
+ }
+
+ @Override
+ public List<String> tabComplete(final CommandSender sender, final String alias, final String[] args) throws IllegalArgumentException {
+ if (args.length == 0) {
+ if (sender instanceof Entity) {
+ return CommandUtil.getSortedList(Arrays.asList("server", "region"));
+ } else {
+ return CommandUtil.getSortedList(Arrays.asList("server"));
+ }
+ } else if (args.length == 1) {
+ if (sender instanceof Entity) {
+ return CommandUtil.getSortedList(Arrays.asList("server", "region"), args[0]);
+ } else {
+ return CommandUtil.getSortedList(Arrays.asList("server"), args[0]);
+ }
+ }
+ return new ArrayList<>();
+ }
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/commands/CommandUtil.java b/src/main/java/io/papermc/paper/threadedregions/commands/CommandUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..d016294fc7eafbddf6d2a758e5803498dfa207b8
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/commands/CommandUtil.java
@@ -0,0 +1,121 @@
+package io.papermc.paper.threadedregions.commands;
+
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextColor;
+import net.kyori.adventure.util.HSVLike;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerPlayer;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Function;
+
+public final class CommandUtil {
+
+ public static List<String> getSortedList(final Iterable<String> iterable) {
+ final List<String> ret = new ArrayList<>();
+ for (final String val : iterable) {
+ ret.add(val);
+ }
+
+ ret.sort(String.CASE_INSENSITIVE_ORDER);
+
+ return ret;
+ }
+
+ public static List<String> getSortedList(final Iterable<String> iterable, final String prefix) {
+ final List<String> ret = new ArrayList<>();
+ for (final String val : iterable) {
+ if (val.regionMatches(0, prefix, 0, prefix.length())) {
+ ret.add(val);
+ }
+ }
+
+ ret.sort(String.CASE_INSENSITIVE_ORDER);
+
+ return ret;
+ }
+
+ public static <T> List<String> getSortedList(final Iterable<T> iterable, final Function<T, String> transform) {
+ final List<String> ret = new ArrayList<>();
+ for (final T val : iterable) {
+ final String transformed = transform.apply(val);
+ if (transformed != null) {
+ ret.add(transformed);
+ }
+ }
+
+ ret.sort(String.CASE_INSENSITIVE_ORDER);
+
+ return ret;
+ }
+
+ public static <T> List<String> getSortedList(final Iterable<T> iterable, final Function<T, String> transform, final String prefix) {
+ final List<String> ret = new ArrayList<>();
+ for (final T val : iterable) {
+ final String string = transform.apply(val);
+ if (string != null && string.regionMatches(0, prefix, 0, prefix.length())) {
+ ret.add(string);
+ }
+ }
+
+ ret.sort(String.CASE_INSENSITIVE_ORDER);
+
+ return ret;
+ }
+
+ public static TextColor getColourForTPS(final double tps) {
+ final double difference = Math.min(Math.abs(20.0 - tps), 20.0);
+ final double coordinate;
+ if (difference <= 2.0) {
+ // >= 18 tps
+ coordinate = 70.0 + ((140.0 - 70.0)/(0.0 - 2.0)) * (difference - 2.0);
+ } else if (difference <= 5.0) {
+ // >= 15 tps
+ coordinate = 30.0 + ((70.0 - 30.0)/(2.0 - 5.0)) * (difference - 5.0);
+ } else if (difference <= 10.0) {
+ // >= 10 tps
+ coordinate = 10.0 + ((30.0 - 10.0)/(5.0 - 10.0)) * (difference - 10.0);
+ } else {
+ // >= 0.0 tps
+ coordinate = 0.0 + ((10.0 - 0.0)/(10.0 - 20.0)) * (difference - 20.0);
+ }
+
+ return TextColor.color(HSVLike.hsvLike((float)(coordinate / 360.0), 85.0f / 100.0f, 80.0f / 100.0f));
+ }
+
+ public static TextColor getColourForMSPT(final double mspt) {
+ final double clamped = Math.min(Math.abs(mspt), 50.0);
+ final double coordinate;
+ if (clamped <= 15.0) {
+ coordinate = 130.0 + ((140.0 - 130.0)/(0.0 - 15.0)) * (clamped - 15.0);
+ } else if (clamped <= 25.0) {
+ coordinate = 90.0 + ((130.0 - 90.0)/(15.0 - 25.0)) * (clamped - 25.0);
+ } else if (clamped <= 35.0) {
+ coordinate = 30.0 + ((90.0 - 30.0)/(25.0 - 35.0)) * (clamped - 35.0);
+ } else if (clamped <= 40.0) {
+ coordinate = 15.0 + ((30.0 - 15.0)/(35.0 - 40.0)) * (clamped - 40.0);
+ } else {
+ coordinate = 0.0 + ((15.0 - 0.0)/(40.0 - 50.0)) * (clamped - 50.0);
+ }
+
+ return TextColor.color(HSVLike.hsvLike((float)(coordinate / 360.0), 85.0f / 100.0f, 80.0f / 100.0f));
+ }
+
+ public static TextColor getUtilisationColourRegion(final double util) {
+ // TODO anything better?
+ // assume 20TPS
+ return getColourForMSPT(util * 50.0);
+ }
+
+ public static ServerPlayer getPlayer(final String name) {
+ for (final ServerPlayer player : MinecraftServer.getServer().getPlayerList().players) {
+ if (player.getGameProfile().getName().equalsIgnoreCase(name)) {
+ return player;
+ }
+ }
+
+ return null;
+ }
+
+ private CommandUtil() {}
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/scheduler/FoliaRegionScheduler.java b/src/main/java/io/papermc/paper/threadedregions/scheduler/FoliaRegionScheduler.java
new file mode 100644
index 0000000000000000000000000000000000000000..a12705793a63b289da13ebabeaf441637c4fe2ed
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/scheduler/FoliaRegionScheduler.java
@@ -0,0 +1,424 @@
+package io.papermc.paper.threadedregions.scheduler;
+
+import ca.spottedleaf.concurrentutil.util.ConcurrentUtil;
+import ca.spottedleaf.concurrentutil.util.Validate;
+import io.papermc.paper.chunk.system.scheduling.ChunkHolderManager;
+import io.papermc.paper.threadedregions.RegionizedData;
+import io.papermc.paper.threadedregions.RegionizedServer;
+import io.papermc.paper.threadedregions.TickRegionScheduler;
+import io.papermc.paper.util.CoordinateUtils;
+import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
+import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.longs.Long2ReferenceOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.TicketType;
+import net.minecraft.util.Unit;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.plugin.IllegalPluginAccessException;
+import org.bukkit.plugin.Plugin;
+import java.lang.invoke.VarHandle;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.logging.Level;
+
+public final class FoliaRegionScheduler implements RegionScheduler {
+
+ private static Runnable wrap(final Plugin plugin, final World world, final int chunkX, final int chunkZ, final Runnable run) {
+ return () -> {
+ try {
+ run.run();
+ } catch (final Throwable throwable) {
+ plugin.getLogger().log(Level.WARNING, "Location task for " + plugin.getDescription().getFullName()
+ + " in world " + world + " at " + chunkX + ", " + chunkZ + " generated an exception", throwable);
+ }
+ };
+ }
+
+ private static final RegionizedData<Scheduler> SCHEDULER_DATA = new RegionizedData<>(null, Scheduler::new, Scheduler.REGIONISER_CALLBACK);
+
+ private static void scheduleInternalOnRegion(final LocationScheduledTask task, final long delay) {
+ SCHEDULER_DATA.get().queueTask(task, delay);
+ }
+
+ private static void scheduleInternalOffRegion(final LocationScheduledTask task, final long delay) {
+ final World world = task.world;
+ if (world == null) {
+ // cancelled
+ return;
+ }
+
+ RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ ((CraftWorld) world).getHandle(), task.chunkX, task.chunkZ, () -> {
+ scheduleInternalOnRegion(task, delay);
+ }
+ );
+ }
+
+ @Override
+ public void execute(final Plugin plugin, final World world, final int chunkX, final int chunkZ, final Runnable run) {
+ Validate.notNull(plugin, "Plugin may not be null");
+ Validate.notNull(world, "World may not be null");
+ Validate.notNull(run, "Runnable may not be null");
+
+ RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ ((CraftWorld) world).getHandle(), chunkX, chunkZ, wrap(plugin, world, chunkX, chunkZ, run)
+ );
+ }
+
+ @Override
+ public ScheduledTask run(final Plugin plugin, final World world, final int chunkX, final int chunkZ, final Consumer<ScheduledTask> task) {
+ return this.runDelayed(plugin, world, chunkX, chunkZ, task, 1);
+ }
+
+ @Override
+ public ScheduledTask runDelayed(final Plugin plugin, final World world, final int chunkX, final int chunkZ,
+ final Consumer<ScheduledTask> task, final long delayTicks) {
+ Validate.notNull(plugin, "Plugin may not be null");
+ Validate.notNull(world, "World may not be null");
+ Validate.notNull(task, "Task may not be null");
+ if (delayTicks <= 0) {
+ throw new IllegalArgumentException("Delay ticks may not be <= 0");
+ }
+
+ if (!plugin.isEnabled()) {
+ throw new IllegalPluginAccessException("Plugin attempted to register task while disabled");
+ }
+
+ final LocationScheduledTask ret = new LocationScheduledTask(plugin, world, chunkX, chunkZ, -1, task);
+
+ if (Bukkit.isOwnedByCurrentRegion(world, chunkX, chunkZ)) {
+ scheduleInternalOnRegion(ret, delayTicks);
+ } else {
+ scheduleInternalOffRegion(ret, delayTicks);
+ }
+
+ if (!plugin.isEnabled()) {
+ // handle race condition where plugin is disabled asynchronously
+ ret.cancel();
+ }
+
+ return ret;
+ }
+
+ @Override
+ public ScheduledTask runAtFixedRate(final Plugin plugin, final World world, final int chunkX, final int chunkZ,
+ final Consumer<ScheduledTask> task, final long initialDelayTicks, final long periodTicks) {
+ Validate.notNull(plugin, "Plugin may not be null");
+ Validate.notNull(world, "World may not be null");
+ Validate.notNull(task, "Task may not be null");
+ if (initialDelayTicks <= 0) {
+ throw new IllegalArgumentException("Initial delay ticks may not be <= 0");
+ }
+ if (periodTicks <= 0) {
+ throw new IllegalArgumentException("Period ticks may not be <= 0");
+ }
+
+ if (!plugin.isEnabled()) {
+ throw new IllegalPluginAccessException("Plugin attempted to register task while disabled");
+ }
+
+ final LocationScheduledTask ret = new LocationScheduledTask(plugin, world, chunkX, chunkZ, periodTicks, task);
+
+ if (Bukkit.isOwnedByCurrentRegion(world, chunkX, chunkZ)) {
+ scheduleInternalOnRegion(ret, initialDelayTicks);
+ } else {
+ scheduleInternalOffRegion(ret, initialDelayTicks);
+ }
+
+ if (!plugin.isEnabled()) {
+ // handle race condition where plugin is disabled asynchronously
+ ret.cancel();
+ }
+
+ return ret;
+ }
+
+ public void tick() {
+ SCHEDULER_DATA.get().tick();
+ }
+
+ private static final class Scheduler {
+ private static final RegionizedData.RegioniserCallback<Scheduler> REGIONISER_CALLBACK = new RegionizedData.RegioniserCallback<>() {
+ @Override
+ public void merge(final Scheduler from, final Scheduler into, final long fromTickOffset) {
+ for (final Iterator<Long2ObjectMap.Entry<Long2ObjectOpenHashMap<List<LocationScheduledTask>>>> sectionIterator = from.tasksByDeadlineBySection.long2ObjectEntrySet().fastIterator();
+ sectionIterator.hasNext();) {
+ final Long2ObjectMap.Entry<Long2ObjectOpenHashMap<List<LocationScheduledTask>>> entry = sectionIterator.next();
+ final long sectionKey = entry.getLongKey();
+ final Long2ObjectOpenHashMap<List<LocationScheduledTask>> section = entry.getValue();
+
+ final Long2ObjectOpenHashMap<List<LocationScheduledTask>> sectionAdjusted = new Long2ObjectOpenHashMap<>(section.size());
+
+ for (final Iterator<Long2ObjectMap.Entry<List<LocationScheduledTask>>> iterator = section.long2ObjectEntrySet().fastIterator();
+ iterator.hasNext();) {
+ final Long2ObjectMap.Entry<List<LocationScheduledTask>> e = iterator.next();
+ final long newTick = e.getLongKey() + fromTickOffset;
+ final List<LocationScheduledTask> tasks = e.getValue();
+
+ sectionAdjusted.put(newTick, tasks);
+ }
+
+ into.tasksByDeadlineBySection.put(sectionKey, sectionAdjusted);
+ }
+ }
+
+ @Override
+ public void split(final Scheduler from, final int chunkToRegionShift, final Long2ReferenceOpenHashMap<Scheduler> regionToData,
+ final ReferenceOpenHashSet<Scheduler> dataSet) {
+ for (final Scheduler into : dataSet) {
+ into.tickCount = from.tickCount;
+ }
+
+ for (final Iterator<Long2ObjectMap.Entry<Long2ObjectOpenHashMap<List<LocationScheduledTask>>>> sectionIterator = from.tasksByDeadlineBySection.long2ObjectEntrySet().fastIterator();
+ sectionIterator.hasNext();) {
+ final Long2ObjectMap.Entry<Long2ObjectOpenHashMap<List<LocationScheduledTask>>> entry = sectionIterator.next();
+ final long sectionKey = entry.getLongKey();
+ final Long2ObjectOpenHashMap<List<LocationScheduledTask>> section = entry.getValue();
+
+ final Scheduler into = regionToData.get(sectionKey);
+
+ into.tasksByDeadlineBySection.put(sectionKey, section);
+ }
+ }
+ };
+
+ private long tickCount = 0L;
+ // map of region section -> map of deadline -> list of tasks
+ private final Long2ObjectOpenHashMap<Long2ObjectOpenHashMap<List<LocationScheduledTask>>> tasksByDeadlineBySection = new Long2ObjectOpenHashMap<>();
+
+ private void addTicket(final int sectionX, final int sectionZ) {
+ final ServerLevel world = TickRegionScheduler.getCurrentRegionizedWorldData().world;
+ final int shift = world.getRegionChunkShift();
+ final int chunkX = sectionX << shift;
+ final int chunkZ = sectionZ << shift;
+
+ world.chunkTaskScheduler.chunkHolderManager.addTicketAtLevel(
+ TicketType.REGION_SCHEDULER_API_HOLD, chunkX, chunkZ, ChunkHolderManager.MAX_TICKET_LEVEL, Unit.INSTANCE
+ );
+ }
+
+ private void removeTicket(final long sectionKey) {
+ final ServerLevel world = TickRegionScheduler.getCurrentRegionizedWorldData().world;
+ final int shift = world.getRegionChunkShift();
+ final int chunkX = CoordinateUtils.getChunkX(sectionKey) << shift;
+ final int chunkZ = CoordinateUtils.getChunkZ(sectionKey) << shift;
+
+ world.chunkTaskScheduler.chunkHolderManager.removeTicketAtLevel(
+ TicketType.REGION_SCHEDULER_API_HOLD, chunkX, chunkZ, ChunkHolderManager.MAX_TICKET_LEVEL, Unit.INSTANCE
+ );
+ }
+
+ private void queueTask(final LocationScheduledTask task, final long delay) {
+ // note: must be on the thread that owns this scheduler
+ // note: delay > 0
+
+ final World world = task.world;
+ if (world == null) {
+ // cancelled
+ return;
+ }
+
+ final int shift = ((CraftWorld)world).getHandle().getRegionChunkShift();
+ final int sectionX = task.chunkX >> shift;
+ final int sectionZ = task.chunkZ >> shift;
+
+ final Long2ObjectOpenHashMap<List<LocationScheduledTask>> section =
+ this.tasksByDeadlineBySection.computeIfAbsent(CoordinateUtils.getChunkKey(sectionX, sectionZ), (final long keyInMap) -> {
+ return new Long2ObjectOpenHashMap<>();
+ }
+ );
+
+ if (section.isEmpty()) {
+ // need to keep the scheduler loaded for this location in order for tick() to be called...
+ this.addTicket(sectionX, sectionZ);
+ }
+
+ section.computeIfAbsent(this.tickCount + delay, (final long keyInMap) -> {
+ return new ArrayList<>();
+ }).add(task);
+ }
+
+ public void tick() {
+ ++this.tickCount;
+
+ final List<LocationScheduledTask> run = new ArrayList<>();
+
+ for (final Iterator<Long2ObjectMap.Entry<Long2ObjectOpenHashMap<List<LocationScheduledTask>>>> sectionIterator = this.tasksByDeadlineBySection.long2ObjectEntrySet().fastIterator();
+ sectionIterator.hasNext();) {
+ final Long2ObjectMap.Entry<Long2ObjectOpenHashMap<List<LocationScheduledTask>>> entry = sectionIterator.next();
+ final long sectionKey = entry.getLongKey();
+ final Long2ObjectOpenHashMap<List<LocationScheduledTask>> section = entry.getValue();
+
+ final List<LocationScheduledTask> tasks = section.remove(this.tickCount);
+
+ if (tasks == null) {
+ continue;
+ }
+
+ run.addAll(tasks);
+
+ if (section.isEmpty()) {
+ this.removeTicket(sectionKey);
+ sectionIterator.remove();
+ }
+ }
+
+ for (int i = 0, len = run.size(); i < len; ++i) {
+ run.get(i).run();
+ }
+ }
+ }
+
+ private static final class LocationScheduledTask implements ScheduledTask, Runnable {
+
+ private static final int STATE_IDLE = 0;
+ private static final int STATE_EXECUTING = 1;
+ private static final int STATE_EXECUTING_CANCELLED = 2;
+ private static final int STATE_FINISHED = 3;
+ private static final int STATE_CANCELLED = 4;
+
+ private final Plugin plugin;
+ private final int chunkX;
+ private final int chunkZ;
+ private final long repeatDelay; // in ticks
+ private World world;
+ private Consumer<ScheduledTask> run;
+
+ private volatile int state;
+ private static final VarHandle STATE_HANDLE = ConcurrentUtil.getVarHandle(LocationScheduledTask.class, "state", int.class);
+
+ private LocationScheduledTask(final Plugin plugin, final World world, final int chunkX, final int chunkZ,
+ final long repeatDelay, final Consumer<ScheduledTask> run) {
+ this.plugin = plugin;
+ this.world = world;
+ this.chunkX = chunkX;
+ this.chunkZ = chunkZ;
+ this.repeatDelay = repeatDelay;
+ this.run = run;
+ }
+
+ private final int getStateVolatile() {
+ return (int)STATE_HANDLE.get(this);
+ }
+
+ private final int compareAndExchangeStateVolatile(final int expect, final int update) {
+ return (int)STATE_HANDLE.compareAndExchange(this, expect, update);
+ }
+
+ private final void setStateVolatile(final int value) {
+ STATE_HANDLE.setVolatile(this, value);
+ }
+
+ @Override
+ public void run() {
+ if (!this.plugin.isEnabled()) {
+ // don't execute if the plugin is disabled
+ return;
+ }
+
+ final boolean repeating = this.isRepeatingTask();
+ if (STATE_IDLE != this.compareAndExchangeStateVolatile(STATE_IDLE, STATE_EXECUTING)) {
+ // cancelled
+ return;
+ }
+
+ try {
+ this.run.accept(this);
+ } catch (final Throwable throwable) {
+ this.plugin.getLogger().log(Level.WARNING, "Location task for " + this.plugin.getDescription().getFullName()
+ + " in world " + world + " at " + chunkX + ", " + chunkZ + " generated an exception", throwable);
+ } finally {
+ boolean reschedule = false;
+ if (!repeating) {
+ this.setStateVolatile(STATE_FINISHED);
+ } else if (!this.plugin.isEnabled()) {
+ this.setStateVolatile(STATE_CANCELLED);
+ } else if (STATE_EXECUTING == this.compareAndExchangeStateVolatile(STATE_EXECUTING, STATE_IDLE)) {
+ reschedule = true;
+ } // else: cancelled repeating task
+
+ if (!reschedule) {
+ this.run = null;
+ this.world = null;
+ } else {
+ FoliaRegionScheduler.scheduleInternalOnRegion(this, this.repeatDelay);
+ }
+ }
+ }
+
+ @Override
+ public Plugin getOwningPlugin() {
+ return this.plugin;
+ }
+
+ @Override
+ public boolean isRepeatingTask() {
+ return this.repeatDelay > 0;
+ }
+
+ @Override
+ public CancelledState cancel() {
+ for (int curr = this.getStateVolatile();;) {
+ switch (curr) {
+ case STATE_IDLE: {
+ if (STATE_IDLE == (curr = this.compareAndExchangeStateVolatile(STATE_IDLE, STATE_CANCELLED))) {
+ this.state = STATE_CANCELLED;
+ this.run = null;
+ this.world = null;
+ return CancelledState.CANCELLED_BY_CALLER;
+ }
+ // try again
+ continue;
+ }
+ case STATE_EXECUTING: {
+ if (!this.isRepeatingTask()) {
+ return CancelledState.RUNNING;
+ }
+ if (STATE_EXECUTING == (curr = this.compareAndExchangeStateVolatile(STATE_EXECUTING, STATE_EXECUTING_CANCELLED))) {
+ return CancelledState.NEXT_RUNS_CANCELLED;
+ }
+ // try again
+ continue;
+ }
+ case STATE_EXECUTING_CANCELLED: {
+ return CancelledState.NEXT_RUNS_CANCELLED_ALREADY;
+ }
+ case STATE_FINISHED: {
+ return CancelledState.ALREADY_EXECUTED;
+ }
+ case STATE_CANCELLED: {
+ return CancelledState.CANCELLED_ALREADY;
+ }
+ default: {
+ throw new IllegalStateException("Unknown state: " + curr);
+ }
+ }
+ }
+ }
+
+ @Override
+ public ExecutionState getExecutionState() {
+ final int state = this.getStateVolatile();
+ switch (state) {
+ case STATE_IDLE:
+ return ExecutionState.IDLE;
+ case STATE_EXECUTING:
+ return ExecutionState.RUNNING;
+ case STATE_EXECUTING_CANCELLED:
+ return ExecutionState.CANCELLED_RUNNING;
+ case STATE_FINISHED:
+ return ExecutionState.FINISHED;
+ case STATE_CANCELLED:
+ return ExecutionState.CANCELLED;
+ default: {
+ throw new IllegalStateException("Unknown state: " + state);
+ }
+ }
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/util/CachedLists.java b/src/main/java/io/papermc/paper/util/CachedLists.java
index e08f4e39db4ee3fed62e37364d17dcc5c5683504..7e92e14cdb9f3d895550991b2ea154a60f9c091b 100644
--- a/src/main/java/io/papermc/paper/util/CachedLists.java
+++ b/src/main/java/io/papermc/paper/util/CachedLists.java
@@ -9,49 +9,57 @@ import java.util.List;
public final class CachedLists {
// Paper start - optimise collisions
- static final UnsafeList<AABB> TEMP_COLLISION_LIST = new UnsafeList<>(1024);
- static boolean tempCollisionListInUse;
+ // Folia - region threading
public static UnsafeList<AABB> getTempCollisionList() {
- if (!Bukkit.isPrimaryThread() || tempCollisionListInUse) {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData();
+ if (worldData == null) {
return new UnsafeList<>(16);
}
- tempCollisionListInUse = true;
- return TEMP_COLLISION_LIST;
+ return worldData.tempCollisionList.get();
+ // Folia end - region threading
}
public static void returnTempCollisionList(List<AABB> list) {
- if (list != TEMP_COLLISION_LIST) {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData();
+ if (worldData == null) {
return;
}
- ((UnsafeList)list).setSize(0);
- tempCollisionListInUse = false;
+ worldData.tempCollisionList.ret(list);
+ // Folia end - region threading
}
- static final UnsafeList<Entity> TEMP_GET_ENTITIES_LIST = new UnsafeList<>(1024);
- static boolean tempGetEntitiesListInUse;
+ // Folia - region threading
public static UnsafeList<Entity> getTempGetEntitiesList() {
- if (!Bukkit.isPrimaryThread() || tempGetEntitiesListInUse) {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData();
+ if (worldData == null) {
return new UnsafeList<>(16);
}
- tempGetEntitiesListInUse = true;
- return TEMP_GET_ENTITIES_LIST;
+ return worldData.tempEntitiesList.get();
+ // Folia end - region threading
}
public static void returnTempGetEntitiesList(List<Entity> list) {
- if (list != TEMP_GET_ENTITIES_LIST) {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData();
+ if (worldData == null) {
return;
}
- ((UnsafeList)list).setSize(0);
- tempGetEntitiesListInUse = false;
+ worldData.tempEntitiesList.ret(list);
+ // Folia end - region threading
}
// Paper end - optimise collisions
public static void reset() {
- // Paper start - optimise collisions
- TEMP_COLLISION_LIST.completeReset();
- TEMP_GET_ENTITIES_LIST.completeReset();
- // Paper end - optimise collisions
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData();
+ if (worldData != null) {
+ worldData.resetCollisionLists();
+ }
+ // Folia end - region threading
}
}
diff --git a/src/main/java/io/papermc/paper/util/CollisionUtil.java b/src/main/java/io/papermc/paper/util/CollisionUtil.java
index ee0331a6bc40cdde08d926fd8eb1dc642630c2e5..feea642338c7fdd96d9c4d2ea5564f1c3743195c 100644
--- a/src/main/java/io/papermc/paper/util/CollisionUtil.java
+++ b/src/main/java/io/papermc/paper/util/CollisionUtil.java
@@ -1623,7 +1623,7 @@ public final class CollisionUtil {
for (int currChunkZ = minChunkZ; currChunkZ <= maxChunkZ; ++currChunkZ) {
for (int currChunkX = minChunkX; currChunkX <= maxChunkX; ++currChunkX) {
- final ChunkAccess chunk = loadChunks ? chunkSource.getChunk(currChunkX, currChunkZ, ChunkStatus.FULL, true) : chunkSource.getChunkAtIfLoadedImmediately(currChunkX, currChunkZ);
+ final ChunkAccess chunk = !io.papermc.paper.util.TickThread.isTickThreadFor(chunkSource.chunkMap.level, currChunkX, currChunkZ) ? null : (loadChunks ? chunkSource.getChunk(currChunkX, currChunkZ, ChunkStatus.FULL, true) : chunkSource.getChunkAtIfLoadedImmediately(currChunkX, currChunkZ)); // Folia - ignore chunk if we do not own the region
if (chunk == null) {
if ((collisionFlags & COLLISION_FLAG_COLLIDE_WITH_UNLOADED_CHUNKS) != 0) {
diff --git a/src/main/java/io/papermc/paper/util/CoordinateUtils.java b/src/main/java/io/papermc/paper/util/CoordinateUtils.java
index 413e4b6da027876dbbe8eb78f2568a440f431547..3a7dbcb9964723b8ed5e6b0a1ee4267923c746e4 100644
--- a/src/main/java/io/papermc/paper/util/CoordinateUtils.java
+++ b/src/main/java/io/papermc/paper/util/CoordinateUtils.java
@@ -5,6 +5,7 @@ import net.minecraft.core.SectionPos;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.phys.Vec3;
public final class CoordinateUtils {
@@ -122,6 +123,31 @@ public final class CoordinateUtils {
return ((long)entity.getX() & 0x7FFFFFF) | (((long)entity.getZ() & 0x7FFFFFF) << 27) | ((long)entity.getY() << 54);
}
+ // TODO rebase
+ public static int getBlockX(final Vec3 pos) {
+ return Mth.floor(pos.x);
+ }
+
+ public static int getBlockY(final Vec3 pos) {
+ return Mth.floor(pos.y);
+ }
+
+ public static int getBlockZ(final Vec3 pos) {
+ return Mth.floor(pos.z);
+ }
+
+ public static int getChunkX(final Vec3 pos) {
+ return Mth.floor(pos.x) >> 4;
+ }
+
+ public static int getChunkY(final Vec3 pos) {
+ return Mth.floor(pos.y) >> 4;
+ }
+
+ public static int getChunkZ(final Vec3 pos) {
+ return Mth.floor(pos.z) >> 4;
+ }
+
private CoordinateUtils() {
throw new RuntimeException();
}
diff --git a/src/main/java/io/papermc/paper/util/MCUtil.java b/src/main/java/io/papermc/paper/util/MCUtil.java
index e028353e0261310afc42ca0454b723d9f1ffc131..08d282400644be5949f28eb879b333cc221da2cc 100644
--- a/src/main/java/io/papermc/paper/util/MCUtil.java
+++ b/src/main/java/io/papermc/paper/util/MCUtil.java
@@ -337,6 +337,7 @@ public final class MCUtil {
*/
public static void ensureMain(String reason, Runnable run) {
if (!isMainThread()) {
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
if (reason != null) {
MinecraftServer.LOGGER.warn("Asynchronous " + reason + "!", new IllegalStateException());
}
@@ -477,6 +478,30 @@ public final class MCUtil {
return new Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ());
}
+ // Folia start - TODO MERGE INTO MCUTIL
+ /**
+ * Converts a NMS World/Vector to Bukkit Location
+ * @param world
+ * @param pos
+ * @return
+ */
+ public static Location toLocation(Level world, Vec3 pos) {
+ return new Location(world.getWorld(), pos.x(), pos.y(), pos.z());
+ }
+
+ /**
+ * Converts a NMS World/Vector to Bukkit Location
+ * @param world
+ * @param pos
+ * @param yaw
+ * @param pitch
+ * @return
+ */
+ public static Location toLocation(Level world, Vec3 pos, float yaw, float pitch) {
+ return new Location(world.getWorld(), pos.x(), pos.y(), pos.z(), yaw, pitch);
+ }
+ // Folia end - TODO MERGE INTO MCUTIL
+
/**
* Converts an NMS entity's current location to a Bukkit Location
* @param entity
diff --git a/src/main/java/io/papermc/paper/util/TickThread.java b/src/main/java/io/papermc/paper/util/TickThread.java
index bdaf062f9b66ceab303a0807eca301342886a8ea..906f1c9e619a924c622acc76652a4569305edc8d 100644
--- a/src/main/java/io/papermc/paper/util/TickThread.java
+++ b/src/main/java/io/papermc/paper/util/TickThread.java
@@ -1,5 +1,11 @@
package io.papermc.paper.util;
+import io.papermc.paper.threadedregions.RegionShutdownThread;
+import io.papermc.paper.threadedregions.RegionizedServer;
+import io.papermc.paper.threadedregions.RegionizedWorldData;
+import io.papermc.paper.threadedregions.ThreadedRegionizer;
+import io.papermc.paper.threadedregions.TickRegionScheduler;
+import io.papermc.paper.threadedregions.TickRegions;
import net.minecraft.core.BlockPos;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.level.ServerLevel;
@@ -114,46 +120,149 @@ public class TickThread extends Thread {
}
public static boolean isShutdownThread() {
- return false;
+ return Thread.currentThread().getClass() == RegionShutdownThread.class;
}
public static boolean isTickThreadFor(final ServerLevel world, final BlockPos pos) {
- return isTickThread();
+ return isTickThreadFor(world, pos.getX() >> 4, pos.getZ() >> 4);
}
public static boolean isTickThreadFor(final ServerLevel world, final ChunkPos pos) {
- return isTickThread();
+ return isTickThreadFor(world, pos.x, pos.z);
}
public static boolean isTickThreadFor(final ServerLevel world, final Vec3 pos) {
- return isTickThread();
+ return isTickThreadFor(world, Mth.floor(pos.x) >> 4, Mth.floor(pos.z) >> 4);
}
public static boolean isTickThreadFor(final ServerLevel world, final int chunkX, final int chunkZ) {
- return isTickThread();
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ TickRegionScheduler.getCurrentRegion();
+ if (region == null) {
+ return isShutdownThread();
+ }
+ return world.regioniser.getRegionAtUnsynchronised(chunkX, chunkZ) == region;
}
public static boolean isTickThreadFor(final ServerLevel world, final AABB aabb) {
- return isTickThread();
+ return isTickThreadFor(
+ world,
+ CoordinateUtils.getChunkCoordinate(aabb.minX), CoordinateUtils.getChunkCoordinate(aabb.minZ),
+ CoordinateUtils.getChunkCoordinate(aabb.maxX), CoordinateUtils.getChunkCoordinate(aabb.maxZ)
+ );
}
public static boolean isTickThreadFor(final ServerLevel world, final double blockX, final double blockZ) {
- return isTickThread();
+ return isTickThreadFor(world, CoordinateUtils.getChunkCoordinate(blockX), CoordinateUtils.getChunkCoordinate(blockZ));
}
public static boolean isTickThreadFor(final ServerLevel world, final Vec3 position, final Vec3 deltaMovement, final int buffer) {
- return isTickThread();
+ final int fromChunkX = CoordinateUtils.getChunkX(position);
+ final int fromChunkZ = CoordinateUtils.getChunkZ(position);
+
+ final int toChunkX = CoordinateUtils.getChunkCoordinate(position.x + deltaMovement.x);
+ final int toChunkZ = CoordinateUtils.getChunkCoordinate(position.z + deltaMovement.z);
+
+ // expect from < to, but that may not be the case
+ return isTickThreadFor(
+ world,
+ Math.min(fromChunkX, toChunkX) - buffer,
+ Math.min(fromChunkZ, toChunkZ) - buffer,
+ Math.max(fromChunkX, toChunkX) + buffer,
+ Math.max(fromChunkZ, toChunkZ) + buffer
+ );
}
public static boolean isTickThreadFor(final ServerLevel world, final int fromChunkX, final int fromChunkZ, final int toChunkX, final int toChunkZ) {
- return isTickThread();
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ TickRegionScheduler.getCurrentRegion();
+ if (region == null) {
+ return isShutdownThread();
+ }
+
+ final int shift = world.regioniser.sectionChunkShift;
+
+ final int minSectionX = fromChunkX >> shift;
+ final int maxSectionX = toChunkX >> shift;
+ final int minSectionZ = fromChunkZ >> shift;
+ final int maxSectionZ = toChunkZ >> shift;
+
+ for (int secZ = minSectionZ; secZ <= maxSectionZ; ++secZ) {
+ for (int secX = minSectionX; secX <= maxSectionX; ++secX) {
+ final int lowerLeftCX = secX << shift;
+ final int lowerLeftCZ = secZ << shift;
+ if (world.regioniser.getRegionAtUnsynchronised(lowerLeftCX, lowerLeftCZ) != region) {
+ return false;
+ }
+ }
+ }
+
+ return true;
}
public static boolean isTickThreadFor(final ServerLevel world, final int chunkX, final int chunkZ, final int radius) {
- return isTickThread();
+ return isTickThreadFor(world, chunkX - radius, chunkZ - radius, chunkX + radius, chunkZ + radius);
}
public static boolean isTickThreadFor(final Entity entity) {
- return isTickThread();
+ if (entity == null) {
+ return true;
+ }
+ final ThreadedRegionizer.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region =
+ TickRegionScheduler.getCurrentRegion();
+ if (region == null) {
+ if (RegionizedServer.isGlobalTickThread()) {
+ if (entity instanceof ServerPlayer serverPlayer) {
+ final ServerGamePacketListenerImpl possibleBad = serverPlayer.connection;
+ if (possibleBad == null) {
+ return true;
+ }
+
+ final net.minecraft.network.PacketListener packetListener = possibleBad.connection.getPacketListener();
+ if (packetListener instanceof ServerGamePacketListenerImpl gamePacketListener) {
+ return gamePacketListener.waitingForSwitchToConfig;
+ }
+ if (packetListener instanceof net.minecraft.server.network.ServerConfigurationPacketListenerImpl configurationPacketListener) {
+ return !configurationPacketListener.switchToMain;
+ }
+ return true;
+ } else {
+ return false;
+ }
+ }
+ if (isShutdownThread()) {
+ return true;
+ }
+ if (entity instanceof ServerPlayer serverPlayer) {
+ // off-main access to server player is never ok, server player is owned by one of global context or region context always
+ return false;
+ }
+ // only own entities that have not yet been added to the world
+
+ // if the entity is removed, then it was in the world previously - which means that a region containing its location
+ // owns it
+ // if the entity has a callback, then it is contained in a world
+ return entity.hasNullCallback() && !entity.isRemoved();
+ }
+
+ final Level level = entity.level();
+ if (level != region.regioniser.world) {
+ // world mismatch
+ return false;
+ }
+
+ final RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData();
+
+ // pass through the check if the entity is removed and we own its chunk
+ if (worldData.hasEntity(entity)) {
+ return true;
+ }
+
+ if (entity instanceof ServerPlayer serverPlayer) {
+ ServerGamePacketListenerImpl conn = serverPlayer.connection;
+ return conn != null && worldData.connections.contains(conn.connection);
+ } else {
+ return ((entity.hasNullCallback() || entity.isRemoved())) && isTickThreadFor((ServerLevel)level, entity.chunkPosition());
+ }
}
}
diff --git a/src/main/java/io/papermc/paper/util/set/LinkedSortedSet.java b/src/main/java/io/papermc/paper/util/set/LinkedSortedSet.java
new file mode 100644
index 0000000000000000000000000000000000000000..cf9b66afc1762dbe2c625f09f9e804ca7dc0f128
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/set/LinkedSortedSet.java
@@ -0,0 +1,273 @@
+package io.papermc.paper.util.set;
+
+import java.util.Comparator;
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+// TODO rebase into util patch
+public final class LinkedSortedSet<E> implements Iterable<E> {
+
+ public final Comparator<? super E> comparator;
+
+ protected Link<E> head;
+ protected Link<E> tail;
+
+ public LinkedSortedSet() {
+ this((Comparator)Comparator.naturalOrder());
+ }
+
+ public LinkedSortedSet(final Comparator<? super E> comparator) {
+ this.comparator = comparator;
+ }
+
+ public void clear() {
+ this.head = this.tail = null;
+ }
+
+ public boolean isEmpty() {
+ return this.head == null;
+ }
+
+ public E first() {
+ final Link<E> head = this.head;
+ return head == null ? null : head.element;
+ }
+
+ public E last() {
+ final Link<E> tail = this.tail;
+ return tail == null ? null : tail.element;
+ }
+
+ public boolean containsFirst(final E element) {
+ final Comparator<? super E> comparator = this.comparator;
+ for (Link<E> curr = this.head; curr != null; curr = curr.next) {
+ if (comparator.compare(element, curr.element) == 0) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ public boolean containsLast(final E element) {
+ final Comparator<? super E> comparator = this.comparator;
+ for (Link<E> curr = this.tail; curr != null; curr = curr.prev) {
+ if (comparator.compare(element, curr.element) == 0) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private void removeNode(final Link<E> node) {
+ final Link<E> prev = node.prev;
+ final Link<E> next = node.next;
+
+ // help GC
+ node.element = null;
+ node.prev = null;
+ node.next = null;
+
+ if (prev == null) {
+ this.head = next;
+ } else {
+ prev.next = next;
+ }
+
+ if (next == null) {
+ this.tail = prev;
+ } else {
+ next.prev = prev;
+ }
+ }
+
+ public boolean remove(final Link<E> link) {
+ if (link.element == null) {
+ return false;
+ }
+
+ this.removeNode(link);
+ return true;
+ }
+
+ public boolean removeFirst(final E element) {
+ final Comparator<? super E> comparator = this.comparator;
+ for (Link<E> curr = this.head; curr != null; curr = curr.next) {
+ if (comparator.compare(element, curr.element) == 0) {
+ this.removeNode(curr);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ public boolean removeLast(final E element) {
+ final Comparator<? super E> comparator = this.comparator;
+ for (Link<E> curr = this.tail; curr != null; curr = curr.prev) {
+ if (comparator.compare(element, curr.element) == 0) {
+ this.removeNode(curr);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public Iterator<E> iterator() {
+ return new Iterator<>() {
+ private Link<E> next = LinkedSortedSet.this.head;
+
+ @Override
+ public boolean hasNext() {
+ return this.next != null;
+ }
+
+ @Override
+ public E next() {
+ final Link<E> next = this.next;
+ if (next == null) {
+ throw new NoSuchElementException();
+ }
+ this.next = next.next;
+ return next.element;
+ }
+ };
+ }
+
+ public E pollFirst() {
+ final Link<E> head = this.head;
+ if (head == null) {
+ return null;
+ }
+
+ final E ret = head.element;
+ final Link<E> next = head.next;
+
+ // unlink head
+ this.head = next;
+ if (next == null) {
+ this.tail = null;
+ } else {
+ next.prev = null;
+ }
+
+ // help GC
+ head.element = null;
+ head.next = null;
+
+ return ret;
+ }
+
+ public E pollLast() {
+ final Link<E> tail = this.tail;
+ if (tail == null) {
+ return null;
+ }
+
+ final E ret = tail.element;
+ final Link<E> prev = tail.prev;
+
+ // unlink tail
+ this.tail = prev;
+ if (prev == null) {
+ this.head = null;
+ } else {
+ prev.next = null;
+ }
+
+ // help GC
+ tail.element = null;
+ tail.prev = null;
+
+ return ret;
+ }
+
+ public Link<E> addLast(final E element) {
+ final Comparator<? super E> comparator = this.comparator;
+
+ Link<E> curr = this.tail;
+ if (curr != null) {
+ int compare;
+
+ while ((compare = comparator.compare(element, curr.element)) < 0) {
+ Link<E> prev = curr;
+ curr = curr.prev;
+ if (curr != null) {
+ continue;
+ }
+ return this.head = prev.prev = new Link<>(element, null, prev);
+ }
+
+ if (compare != 0) {
+ // insert after curr
+ final Link<E> next = curr.next;
+ final Link<E> insert = new Link<>(element, curr, next);
+ curr.next = insert;
+
+ if (next == null) {
+ this.tail = insert;
+ } else {
+ next.prev = insert;
+ }
+ return insert;
+ }
+
+ return null;
+ } else {
+ return this.head = this.tail = new Link<>(element);
+ }
+ }
+
+ public Link<E> addFirst(final E element) {
+ final Comparator<? super E> comparator = this.comparator;
+
+ Link<E> curr = this.head;
+ if (curr != null) {
+ int compare;
+
+ while ((compare = comparator.compare(element, curr.element)) > 0) {
+ Link<E> prev = curr;
+ curr = curr.next;
+ if (curr != null) {
+ continue;
+ }
+ return this.tail = prev.next = new Link<>(element, prev, null);
+ }
+
+ if (compare != 0) {
+ // insert before curr
+ final Link<E> prev = curr.prev;
+ final Link<E> insert = new Link<>(element, prev, curr);
+ curr.prev = insert;
+
+ if (prev == null) {
+ this.head = insert;
+ } else {
+ prev.next = insert;
+ }
+ return insert;
+ }
+
+ return null;
+ } else {
+ return this.head = this.tail = new Link<>(element);
+ }
+ }
+
+ public static final class Link<E> {
+ private E element;
+ private Link<E> prev;
+ private Link<E> next;
+
+ private Link() {}
+
+ private Link(final E element) {
+ this.element = element;
+ }
+
+ private Link(final E element, final Link<E> prev, final Link<E> next) {
+ this.element = element;
+ this.prev = prev;
+ this.next = next;
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/commands/CommandSourceStack.java b/src/main/java/net/minecraft/commands/CommandSourceStack.java
index f341813e9713e39bfe142ca34b751de3d8efd25b..7793797dfae906e5181dff517a7d04c95e869a37 100644
--- a/src/main/java/net/minecraft/commands/CommandSourceStack.java
+++ b/src/main/java/net/minecraft/commands/CommandSourceStack.java
@@ -68,7 +68,7 @@ public class CommandSourceStack implements ExecutionCommandSource<CommandSourceS
public boolean bypassSelectorPermissions = false; // Paper - add bypass for selector permissions
public CommandSourceStack(CommandSource output, Vec3 pos, Vec2 rot, ServerLevel world, int level, String name, Component displayName, MinecraftServer server, @Nullable Entity entity) {
- this(output, pos, rot, world, level, name, displayName, server, entity, false, CommandResultCallback.EMPTY, EntityAnchorArgument.Anchor.FEET, CommandSigningContext.ANONYMOUS, TaskChainer.immediate(server));
+ this(output, pos, rot, world, level, name, displayName, server, entity, false, CommandResultCallback.EMPTY, EntityAnchorArgument.Anchor.FEET, CommandSigningContext.ANONYMOUS, TaskChainer.immediate((Runnable run) -> { io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(run);})); // Folia - region threading
}
protected CommandSourceStack(CommandSource output, Vec3 pos, Vec2 rot, ServerLevel world, int level, String name, Component displayName, MinecraftServer server, @Nullable Entity entity, boolean silent, CommandResultCallback resultStorer, EntityAnchorArgument.Anchor entityAnchor, CommandSigningContext signedArguments, TaskChainer messageChainTaskQueue) {
diff --git a/src/main/java/net/minecraft/commands/Commands.java b/src/main/java/net/minecraft/commands/Commands.java
index b7f338e982d0dcab99137ab6dc200b82ac6b7cba..4f25b35a037e6c697e5e345f38b94a8e4b436ad7 100644
--- a/src/main/java/net/minecraft/commands/Commands.java
+++ b/src/main/java/net/minecraft/commands/Commands.java
@@ -159,13 +159,13 @@ public class Commands {
AdvancementCommands.register(this.dispatcher);
AttributeCommand.register(this.dispatcher, commandRegistryAccess);
ExecuteCommand.register(this.dispatcher, commandRegistryAccess);
- BossBarCommands.register(this.dispatcher);
+ //BossBarCommands.register(this.dispatcher); // Folia - region threading - TODO
ClearInventoryCommands.register(this.dispatcher, commandRegistryAccess);
- CloneCommands.register(this.dispatcher, commandRegistryAccess);
+ //CloneCommands.register(this.dispatcher, commandRegistryAccess); // Folia - region threading - TODO
DamageCommand.register(this.dispatcher, commandRegistryAccess);
- DataCommands.register(this.dispatcher);
- DataPackCommand.register(this.dispatcher);
- DebugCommand.register(this.dispatcher);
+ //DataCommands.register(this.dispatcher); // Folia - region threading - TODO
+ //DataPackCommand.register(this.dispatcher); // Folia - region threading - TODO
+ //DebugCommand.register(this.dispatcher); // Folia - region threading - TODO
DefaultGameModeCommands.register(this.dispatcher);
DifficultyCommand.register(this.dispatcher);
EffectCommands.register(this.dispatcher, commandRegistryAccess);
@@ -175,46 +175,46 @@ public class Commands {
FillCommand.register(this.dispatcher, commandRegistryAccess);
FillBiomeCommand.register(this.dispatcher, commandRegistryAccess);
ForceLoadCommand.register(this.dispatcher);
- FunctionCommand.register(this.dispatcher);
+ //FunctionCommand.register(this.dispatcher); // Folia - region threading - TODO
GameModeCommand.register(this.dispatcher);
GameRuleCommand.register(this.dispatcher);
GiveCommand.register(this.dispatcher, commandRegistryAccess);
HelpCommand.register(this.dispatcher);
- ItemCommands.register(this.dispatcher, commandRegistryAccess);
+ //ItemCommands.register(this.dispatcher, commandRegistryAccess); // Folia - region threading - TODO later
KickCommand.register(this.dispatcher);
KillCommand.register(this.dispatcher);
ListPlayersCommand.register(this.dispatcher);
LocateCommand.register(this.dispatcher, commandRegistryAccess);
- LootCommand.register(this.dispatcher, commandRegistryAccess);
+ //LootCommand.register(this.dispatcher, commandRegistryAccess); // Folia - region threading - TODO later
MsgCommand.register(this.dispatcher);
ParticleCommand.register(this.dispatcher, commandRegistryAccess);
PlaceCommand.register(this.dispatcher);
PlaySoundCommand.register(this.dispatcher);
RandomCommand.register(this.dispatcher);
- ReloadCommand.register(this.dispatcher);
+ //ReloadCommand.register(this.dispatcher); // Folia - region threading
RecipeCommand.register(this.dispatcher);
- ReturnCommand.register(this.dispatcher);
- RideCommand.register(this.dispatcher);
+ //ReturnCommand.register(this.dispatcher); // Folia - region threading - TODO later
+ //RideCommand.register(this.dispatcher); // Folia - region threading - TODO later
SayCommand.register(this.dispatcher);
- ScheduleCommand.register(this.dispatcher);
- ScoreboardCommand.register(this.dispatcher);
+ //ScheduleCommand.register(this.dispatcher); // Folia - region threading
+ //ScoreboardCommand.register(this.dispatcher); // Folia - region threading - TODO later
SeedCommand.register(this.dispatcher, environment != Commands.CommandSelection.INTEGRATED);
SetBlockCommand.register(this.dispatcher, commandRegistryAccess);
SetSpawnCommand.register(this.dispatcher);
SetWorldSpawnCommand.register(this.dispatcher);
- SpectateCommand.register(this.dispatcher);
- SpreadPlayersCommand.register(this.dispatcher);
+ //SpectateCommand.register(this.dispatcher); // Folia - region threading - TODO later
+ //SpreadPlayersCommand.register(this.dispatcher); // Folia - region threading - TODO later
StopSoundCommand.register(this.dispatcher);
SummonCommand.register(this.dispatcher, commandRegistryAccess);
- TagCommand.register(this.dispatcher);
- TeamCommand.register(this.dispatcher);
- TeamMsgCommand.register(this.dispatcher);
+ //TagCommand.register(this.dispatcher); // Folia - region threading - TODO later
+ //TeamCommand.register(this.dispatcher); // Folia - region threading - TODO later
+ //TeamMsgCommand.register(this.dispatcher); // Folia - region threading - TODO later
TeleportCommand.register(this.dispatcher);
TellRawCommand.register(this.dispatcher);
- TickCommand.register(this.dispatcher);
+ //TickCommand.register(this.dispatcher); // Folia - region threading - TODO later
TimeCommand.register(this.dispatcher);
TitleCommand.register(this.dispatcher);
- TriggerCommand.register(this.dispatcher);
+ //TriggerCommand.register(this.dispatcher); // Folia - region threading - TODO later
WeatherCommand.register(this.dispatcher);
WorldBorderCommand.register(this.dispatcher);
if (JvmProfiler.INSTANCE.isAvailable()) {
@@ -243,8 +243,8 @@ public class Commands {
OpCommand.register(this.dispatcher);
PardonCommand.register(this.dispatcher);
PardonIpCommand.register(this.dispatcher);
- PerfCommand.register(this.dispatcher);
- SaveAllCommand.register(this.dispatcher);
+ //PerfCommand.register(this.dispatcher); // Folia - region threading - TODO later
+ //SaveAllCommand.register(this.dispatcher); // Folia - region threading - TODO later
SaveOffCommand.register(this.dispatcher);
SaveOnCommand.register(this.dispatcher);
SetPlayerIdleTimeoutCommand.register(this.dispatcher);
@@ -498,9 +498,12 @@ public class Commands {
}
// Paper start - Perf: Async command map building
new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent<CommandSourceStack>(player.getBukkitEntity(), (RootCommandNode) rootcommandnode, false).callEvent(); // Paper - Brigadier API
- net.minecraft.server.MinecraftServer.getServer().execute(() -> {
- runSync(player, bukkit, rootcommandnode);
- });
+ // Folia start - region threading
+ // ignore if retired
+ player.getBukkitEntity().taskScheduler.schedule((updatedPlayer) -> {
+ runSync((ServerPlayer)updatedPlayer, bukkit, rootcommandnode);
+ }, null, 1L);
+ // Folia end - region threading
}
private void runSync(ServerPlayer player, Collection<String> bukkit, RootCommandNode<SharedSuggestionProvider> rootcommandnode) {
diff --git a/src/main/java/net/minecraft/core/dispenser/AbstractProjectileDispenseBehavior.java b/src/main/java/net/minecraft/core/dispenser/AbstractProjectileDispenseBehavior.java
index bc2e763a848b4bf7e9598ffe1ca2aa35a9af4677..9496464d1400009d523b84373e8b47fdc1085ce3 100644
--- a/src/main/java/net/minecraft/core/dispenser/AbstractProjectileDispenseBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/AbstractProjectileDispenseBehavior.java
@@ -32,7 +32,7 @@ public abstract class AbstractProjectileDispenseBehavior extends DefaultDispense
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector((double) enumdirection.getStepX(), (double) ((float) enumdirection.getStepY() + 0.1F), (double) enumdirection.getStepZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/BoatDispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/BoatDispenseItemBehavior.java
index 6df0db8b4cdab23494ea34236949ece4989110a3..2fd670d941bd575f99def28732ffee29f37a3182 100644
--- a/src/main/java/net/minecraft/core/dispenser/BoatDispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/BoatDispenseItemBehavior.java
@@ -63,7 +63,7 @@ public class BoatDispenseItemBehavior extends DefaultDispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(d1, d2 + d4, d3));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java
index f28705547a62da790f5df071400986aacba39367..4bbed8e057a32ce22d768392cebc27110cf4338b 100644
--- a/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java
@@ -85,7 +85,7 @@ public class DefaultDispenseItemBehavior implements DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), CraftVector.toBukkit(entityitem.getDeltaMovement()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
world.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
index e2e1273d787536d2fe1bdbbf8af36eb5ac220599..bee5d0a0516fbae4f550c0a77fcca6afcff8675f 100644
--- a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
@@ -222,7 +222,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -281,7 +281,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -338,7 +338,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseArmorEvent event = new BlockDispenseArmorEvent(block, craftItem.clone(), (org.bukkit.craftbukkit.entity.CraftLivingEntity) list.get(0).getBukkitEntity());
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
world.getCraftServer().getPluginManager().callEvent(event);
}
@@ -394,7 +394,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseArmorEvent event = new BlockDispenseArmorEvent(block, craftItem.clone(), (org.bukkit.craftbukkit.entity.CraftLivingEntity) entityhorseabstract.getBukkitEntity());
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
world.getCraftServer().getPluginManager().callEvent(event);
}
@@ -468,7 +468,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseArmorEvent event = new BlockDispenseArmorEvent(block, craftItem.clone(), (org.bukkit.craftbukkit.entity.CraftLivingEntity) entityhorsechestedabstract.getBukkitEntity());
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
world.getCraftServer().getPluginManager().callEvent(event);
}
@@ -507,7 +507,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(enumdirection.getStepX(), enumdirection.getStepY(), enumdirection.getStepZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -565,7 +565,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(d3, d4, d5));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -645,7 +645,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(x, y, z));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -722,7 +722,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -769,7 +769,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack); // Paper - ignore stack size on damageable items
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -830,7 +830,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -848,7 +848,8 @@ public interface DispenseItemBehavior {
}
}
- worldserver.captureTreeGeneration = true;
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = worldserver.getCurrentWorldData(); // Folia - region threading
+ worldData.captureTreeGeneration = true; // Folia - region threading
// CraftBukkit end
if (!BoneMealItem.growCrop(stack, worldserver, blockposition) && !BoneMealItem.growWaterPlant(stack, worldserver, blockposition, (Direction) null)) {
@@ -857,13 +858,13 @@ public interface DispenseItemBehavior {
worldserver.levelEvent(1505, blockposition, 0);
}
// CraftBukkit start
- worldserver.captureTreeGeneration = false;
- if (worldserver.capturedBlockStates.size() > 0) {
- TreeType treeType = SaplingBlock.treeType;
- SaplingBlock.treeType = null;
+ worldData.captureTreeGeneration = false; // Folia - region threading
+ if (worldData.capturedBlockStates.size() > 0) { // Folia - region threading
+ TreeType treeType = SaplingBlock.treeTypeRT.get(); // Folia - region threading
+ SaplingBlock.treeTypeRT.set(null); // Folia - region threading
Location location = CraftLocation.toBukkit(blockposition, worldserver.getWorld());
- List<org.bukkit.block.BlockState> blocks = new java.util.ArrayList<>(worldserver.capturedBlockStates.values());
- worldserver.capturedBlockStates.clear();
+ List<org.bukkit.block.BlockState> blocks = new java.util.ArrayList<>(worldData.capturedBlockStates.values()); // Folia - region threading
+ worldData.capturedBlockStates.clear(); // Folia - region threading
StructureGrowEvent structureEvent = null;
if (treeType != null) {
structureEvent = new StructureGrowEvent(location, treeType, false, null, blocks);
@@ -899,7 +900,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector((double) blockposition.getX() + 0.5D, (double) blockposition.getY(), (double) blockposition.getZ() + 0.5D));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -956,7 +957,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -1005,7 +1006,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
@@ -1078,7 +1079,7 @@ public interface DispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - only single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java
index 8d65cdb013706a932c2c73231108b2810b99e1c7..728e2f00de43b5363fdee2d982acab2614e45bcb 100644
--- a/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java
@@ -40,7 +40,7 @@ public class ShearsDispenseItemBehavior extends OptionalDispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack); // Paper - ignore stack size on damageable items
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java b/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java
index cb308808906a8cdb127df8284e106e00553473ca..05bc1f010b50e673e9a185d96e338baef7ccad03 100644
--- a/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java
@@ -37,7 +37,7 @@ public class ShulkerBoxDispenseBehavior extends OptionalDispenseItemBehavior {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(stack.copyWithCount(1)); // Paper - single item in event
BlockDispenseEvent event = new BlockDispenseEvent(bukkitBlock, craftItem.clone(), new org.bukkit.util.Vector(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get().booleanValue()) { // Folia - region threading
pointer.level().getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 4716f8bd8a64d4f20f0d5957c1e7fabf63020f43..18b8651147dedcf80d9baf04e87fb25cfbf9b89f 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -84,7 +84,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
return new DefaultEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Local Client IO #%d").setDaemon(true).setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(LOGGER)).build()); // Paper
});
private final PacketFlow receiving;
- private final Queue<WrappedConsumer> pendingActions = Queues.newConcurrentLinkedQueue();
+ private final Queue<WrappedConsumer> pendingActions = new ca.spottedleaf.concurrentutil.collection.MultiThreadedQueue<>(); // Folia - region threading - connection fixes
public Channel channel;
public SocketAddress address;
// Spigot Start
@@ -99,7 +99,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
@Nullable
private Component disconnectedReason;
private boolean encrypted;
- private boolean disconnectionHandled;
+ private final java.util.concurrent.atomic.AtomicBoolean disconnectionHandled = new java.util.concurrent.atomic.AtomicBoolean(false); // Folia - region threading - may be called concurrently during configuration stage
private int receivedPackets;
private int sentPackets;
private float averageReceivedPackets;
@@ -153,6 +153,32 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
this.receiving = side;
}
+ // Folia start - region threading
+ private volatile boolean becomeActive;
+
+ public boolean becomeActive() {
+ return this.becomeActive;
+ }
+
+ private static record DisconnectReq(Component disconnectReason, org.bukkit.event.player.PlayerKickEvent.Cause cause) {}
+
+ private final ca.spottedleaf.concurrentutil.collection.MultiThreadedQueue<DisconnectReq> disconnectReqs =
+ new ca.spottedleaf.concurrentutil.collection.MultiThreadedQueue<>();
+
+ /**
+ * Safely disconnects the connection while possibly on another thread. Note: This call will not block, even if on the
+ * same thread that could disconnect.
+ */
+ public final void disconnectSafely(Component disconnectReason, org.bukkit.event.player.PlayerKickEvent.Cause cause) {
+ this.disconnectReqs.add(new DisconnectReq(disconnectReason, cause));
+ // We can't halt packet processing here because a plugin could cancel a kick request.
+ }
+
+ public final boolean isPlayerConnected() {
+ return this.packetListener instanceof net.minecraft.server.network.ServerCommonPacketListenerImpl;
+ }
+ // Folia end - region threading
+
public void channelActive(ChannelHandlerContext channelhandlercontext) throws Exception {
super.channelActive(channelhandlercontext);
this.channel = channelhandlercontext.channel();
@@ -163,7 +189,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
if (this.delayedDisconnect != null) {
this.disconnect(this.delayedDisconnect);
}
-
+ this.becomeActive = true; // Folia - region threading
}
public static void setInitialProtocolAttributes(Channel channel) {
@@ -386,7 +412,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
packet.onPacketDispatch(this.getPlayer());
- if (connected && (InnerUtil.canSendImmediate(this, packet)
+ if (false && connected && (InnerUtil.canSendImmediate(this, packet) // Folia - region threading - connection fixes
|| (io.papermc.paper.util.MCUtil.isMainThread() && packet.isReady() && this.pendingActions.isEmpty()
&& (packet.getExtraPackets() == null || packet.getExtraPackets().isEmpty())))) {
this.sendPacket(packet, callbacks, flush);
@@ -415,11 +441,12 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
public void runOnceConnected(Consumer<Connection> task) {
- if (this.isConnected()) {
+ if (false && this.isConnected()) { // Folia - region threading - connection fixes
this.flushQueue();
task.accept(this);
} else {
this.pendingActions.add(new WrappedConsumer(task)); // Paper - Optimize network
+ this.flushQueue(); // Folia - region threading - connection fixes
}
}
@@ -478,10 +505,11 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
public void flushChannel() {
- if (this.isConnected()) {
+ if (false && this.isConnected()) { // Folia - region threading - connection fixes
this.flush();
} else {
this.pendingActions.add(new WrappedConsumer(Connection::flush)); // Paper - Optimize network
+ this.flushQueue(); // Folia - region threading - connection fixes
}
}
@@ -516,53 +544,61 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
// Paper start - Optimize network: Rewrite this to be safer if ran off main thread
private boolean flushQueue() {
- if (!this.isConnected()) {
- return true;
- }
- if (io.papermc.paper.util.MCUtil.isMainThread()) {
- return this.processQueue();
- } else if (this.isPending) {
- // Should only happen during login/status stages
- synchronized (this.pendingActions) {
- return this.processQueue();
- }
- }
- return false;
+ return this.processQueue(); // Folia - region threading - connection fixes
+ }
+
+ // Folia start - region threading - connection fixes
+ // allow only one thread to be flushing the queue at once to ensure packets are written in the order they are sent
+ // into the queue
+ private final java.util.concurrent.atomic.AtomicBoolean flushingQueue = new java.util.concurrent.atomic.AtomicBoolean();
+
+ private static boolean canWrite(WrappedConsumer queued) {
+ return queued != null && (!(queued instanceof PacketSendAction packet) || packet.packet.isReady());
}
+ private boolean canWritePackets() {
+ return canWrite(this.pendingActions.peek());
+ }
+ // Folia end - region threading - connection fixes
+
private boolean processQueue() {
- if (this.pendingActions.isEmpty()) {
+ // Folia start - region threading - connection fixes
+ if (!this.isConnected()) {
return true;
}
- // If we are on main, we are safe here in that nothing else should be processing queue off main anymore
- // But if we are not on main due to login/status, the parent is synchronized on packetQueue
- final java.util.Iterator<WrappedConsumer> iterator = this.pendingActions.iterator();
- while (iterator.hasNext()) {
- final WrappedConsumer queued = iterator.next(); // poll -> peek
-
- // Fix NPE (Spigot bug caused by handleDisconnection())
- if (queued == null) {
- return true;
- }
+ while (this.canWritePackets()) {
+ final boolean set = this.flushingQueue.getAndSet(true);
+ try {
+ if (set) {
+ // we didn't acquire the lock, break
+ return false;
+ }
- if (queued.isConsumed()) {
- continue;
- }
+ ca.spottedleaf.concurrentutil.collection.MultiThreadedQueue<WrappedConsumer> queue =
+ (ca.spottedleaf.concurrentutil.collection.MultiThreadedQueue<WrappedConsumer>)this.pendingActions;
+ WrappedConsumer holder;
+ for (;;) {
+ // synchronise so that queue clears appear atomic
+ synchronized (queue) {
+ holder = queue.pollIf(Connection::canWrite);
+ }
+ if (holder == null) {
+ break;
+ }
- if (queued instanceof PacketSendAction packetSendAction) {
- final Packet<?> packet = packetSendAction.packet;
- if (!packet.isReady()) {
- return false;
+ holder.accept(this);
}
- }
- iterator.remove();
- if (queued.tryMarkConsumed()) {
- queued.accept(this);
+ } finally {
+ if (!set) {
+ this.flushingQueue.set(false);
+ }
}
}
+
return true;
+ // Folia end - region threading - connection fixes
}
// Paper end - Optimize network
@@ -571,21 +607,41 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
private static int currTick; // Paper - Buffer joins to world
public void tick() {
this.flushQueue();
- // Paper start - Buffer joins to world
- if (Connection.currTick != net.minecraft.server.MinecraftServer.currentTick) {
- Connection.currTick = net.minecraft.server.MinecraftServer.currentTick;
- Connection.joinAttemptsThisTick = 0;
+ // Folia - this is broken
+ // Folia start - region threading
+ // handle disconnect requests, but only after flushQueue()
+ DisconnectReq disconnectReq;
+ while ((disconnectReq = this.disconnectReqs.poll()) != null) {
+ PacketListener packetlistener = this.packetListener;
+
+ if (packetlistener instanceof net.minecraft.server.network.ServerLoginPacketListenerImpl loginPacketListener) {
+ loginPacketListener.disconnect(disconnectReq.disconnectReason);
+ // this doesn't fail, so abort any further attempts
+ return;
+ } else if (packetlistener instanceof net.minecraft.server.network.ServerCommonPacketListenerImpl commonPacketListener) {
+ commonPacketListener.disconnect(disconnectReq.disconnectReason, disconnectReq.cause);
+ // may be cancelled by a plugin, if not cancelled then any further calls do nothing
+ continue;
+ } else {
+ // no idea what packet to send
+ this.disconnect(disconnectReq.disconnectReason);
+ this.setReadOnly();
+ return;
+ }
}
- // Paper end - Buffer joins to world
+ if (!this.isConnected()) {
+ // disconnected from above
+ this.handleDisconnection();
+ return;
+ }
+ // Folia end - region threading
PacketListener packetlistener = this.packetListener;
if (packetlistener instanceof TickablePacketListener) {
TickablePacketListener tickablepacketlistener = (TickablePacketListener) packetlistener;
// Paper start - Buffer joins to world
- if (!(this.packetListener instanceof net.minecraft.server.network.ServerLoginPacketListenerImpl loginPacketListener)
- || loginPacketListener.state != net.minecraft.server.network.ServerLoginPacketListenerImpl.State.VERIFYING
- || Connection.joinAttemptsThisTick++ < MAX_PER_TICK) {
+ if (true) { // Folia - region threading
// Paper start - detailed watchdog information
net.minecraft.network.protocol.PacketUtils.packetProcessing.push(this.packetListener);
try { // Paper end - detailed watchdog information
@@ -597,7 +653,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
// Paper end - Buffer joins to world
}
- if (!this.isConnected() && !this.disconnectionHandled) {
+ if (!this.isConnected()) {// Folia - region threading - it's fine to call if it is already handled, as it no longer logs
this.handleDisconnection();
}
@@ -643,6 +699,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
this.channel.close(); // We can't wait as this may be called from an event loop.
this.disconnectedReason = disconnectReason;
}
+ this.becomeActive = true; // Folia - region threading
}
@@ -822,10 +879,10 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
public void handleDisconnection() {
if (this.channel != null && !this.channel.isOpen()) {
- if (this.disconnectionHandled) {
+ if (this.disconnectionHandled.getAndSet(true)) { // Folia - region threading - may be called concurrently during configuration stage
// Connection.LOGGER.warn("handleDisconnection() called twice"); // Paper - Don't log useless message
} else {
- this.disconnectionHandled = true;
+ // Folia - region threading - may be called concurrently during configuration stage - set above
PacketListener packetlistener = this.getPacketListener();
PacketListener packetlistener1 = packetlistener != null ? packetlistener : this.disconnectListener;
@@ -857,6 +914,22 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
}
// Paper end - Add PlayerConnectionCloseEvent
+ // Folia start - region threading
+ if (packetlistener instanceof net.minecraft.server.network.ServerCommonPacketListenerImpl commonPacketListener) {
+ net.minecraft.server.MinecraftServer.getServer().getPlayerList().removeConnection(
+ commonPacketListener.getOwner().getName(),
+ commonPacketListener.getOwner().getId(), this
+ );
+ } else if (packetlistener instanceof net.minecraft.server.network.ServerLoginPacketListenerImpl loginPacketListener) {
+ if (loginPacketListener.state.ordinal() >= net.minecraft.server.network.ServerLoginPacketListenerImpl.State.VERIFYING.ordinal()) {
+ net.minecraft.server.MinecraftServer.getServer().getPlayerList().removeConnection(
+ loginPacketListener.authenticatedProfile.getName(),
+ loginPacketListener.authenticatedProfile.getId(), this
+ );
+ }
+ }
+ // Folia end - region threading
+ // Paper end
}
}
@@ -877,15 +950,25 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
// Paper start - Optimize network
public void clearPacketQueue() {
final net.minecraft.server.level.ServerPlayer player = getPlayer();
- for (final Consumer<Connection> queuedAction : this.pendingActions) {
- if (queuedAction instanceof PacketSendAction packetSendAction) {
- final Packet<?> packet = packetSendAction.packet;
- if (packet.hasFinishListener()) {
- packet.onPacketDispatchFinish(player, null);
+ // Folia start - region threading - connection fixes
+ java.util.List<Connection.PacketSendAction> queuedPackets = new java.util.ArrayList<>();
+ // synchronise so that flushQueue does not poll values while the queue is being cleared
+ synchronized (this.pendingActions) {
+ Connection.WrappedConsumer consumer;
+ while ((consumer = this.pendingActions.poll()) != null) {
+ if (consumer instanceof Connection.PacketSendAction packetHolder) {
+ queuedPackets.add(packetHolder);
}
}
}
- this.pendingActions.clear();
+
+ for (Connection.PacketSendAction queuedPacket : queuedPackets) {
+ Packet<?> packet = queuedPacket.packet;
+ if (packet.hasFinishListener()) {
+ packet.onPacketDispatchFinish(player, null);
+ }
+ }
+ // Folia end - region threading - connection fixes
}
private static class InnerUtil { // Attempt to hide these methods from ProtocolLib, so it doesn't accidently pick them up.
diff --git a/src/main/java/net/minecraft/network/protocol/PacketUtils.java b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
index 3e2d5dcd62775b6ed7c0ce0ba51a71b635b1d644..98fb69a9adeb6eaab199aec127692acb07f56808 100644
--- a/src/main/java/net/minecraft/network/protocol/PacketUtils.java
+++ b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
@@ -44,7 +44,7 @@ public class PacketUtils {
public static <T extends PacketListener> void ensureRunningOnSameThread(Packet<T> packet, T listener, BlockableEventLoop<?> engine) throws RunningOnDifferentThreadException {
if (!engine.isSameThread()) {
- engine.execute(() -> { // Paper - Fix preemptive player kick on a server shutdown
+ Runnable run = () -> { // Folia - region threading
packetProcessing.push(listener); // Paper - detailed watchdog information
try { // Paper - detailed watchdog information
if (MinecraftServer.getServer().hasStopped() || (listener instanceof ServerCommonPacketListenerImpl && ((ServerCommonPacketListenerImpl) listener).processedDisconnect)) return; // CraftBukkit, MC-142590
@@ -91,7 +91,21 @@ public class PacketUtils {
}
// Paper end - detailed watchdog information
- });
+ }; // Folia start - region threading
+ // ignore retired state, if removed then we don't want the packet to be handled
+ if (listener instanceof net.minecraft.server.network.ServerGamePacketListenerImpl gamePacketListener) {
+ gamePacketListener.player.getBukkitEntity().taskScheduler.schedule(
+ (net.minecraft.server.level.ServerPlayer player) -> {
+ run.run();
+ },
+ null, 1L
+ );
+ } else if (listener instanceof net.minecraft.server.network.ServerConfigurationPacketListenerImpl configurationPacketListener) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(run);
+ } else {
+ throw new UnsupportedOperationException("Unknown listener: " + listener);
+ }
+ // Folia end - region threading
throw RunningOnDifferentThreadException.RUNNING_ON_DIFFERENT_THREAD;
// CraftBukkit start - SPIGOT-5477, MC-142590
} else if (MinecraftServer.getServer().hasStopped() || (listener instanceof ServerCommonPacketListenerImpl && ((ServerCommonPacketListenerImpl) listener).processedDisconnect)) {
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index c220b116b62e783d42364bae3d499e66a52241d1..1e658114879ad9bdb679b9230ac3eab643375f8b 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -203,7 +203,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
private static final int OVERLOADED_TICKS_THRESHOLD = 20;
private static final long OVERLOADED_WARNING_INTERVAL_NANOS = 10L * TimeUtil.NANOSECONDS_PER_SECOND;
private static final int OVERLOADED_TICKS_WARNING_INTERVAL = 100;
- private static final long STATUS_EXPIRE_TIME_NANOS = 5L * TimeUtil.NANOSECONDS_PER_SECOND;
+ public static final long STATUS_EXPIRE_TIME_NANOS = 5L * TimeUtil.NANOSECONDS_PER_SECOND; // Folia - region threading - public
private static final long PREPARE_LEVELS_DEFAULT_DELAY_NANOS = 10L * TimeUtil.NANOSECONDS_PER_MILLISECOND;
private static final int MAX_STATUS_PLAYER_SAMPLE = 12;
public static final int START_CHUNK_RADIUS = 11;
@@ -241,8 +241,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
private volatile boolean running;
private volatile boolean isRestarting = false; // Paper - flag to signify we're attempting to restart
private boolean stopped;
- private int tickCount;
- private int ticksUntilAutosave;
+ // Folia - region threading
protected final Proxy proxy;
private boolean onlineMode;
private boolean preventProxyConnections;
@@ -292,7 +291,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
public org.bukkit.craftbukkit.CraftServer server;
public OptionSet options;
public org.bukkit.command.ConsoleCommandSender console;
- public static int currentTick; // Paper - improve tick loop
+ //public static int currentTick; // Paper - improve tick loop // Folia - region threading
public java.util.Queue<Runnable> processQueue = new java.util.concurrent.ConcurrentLinkedQueue<Runnable>();
public int autosavePeriod;
public Commands vanillaCommandDispatcher;
@@ -306,13 +305,41 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
public final double[] recentTps = new double[ 3 ];
// Spigot end
public final io.papermc.paper.configuration.PaperConfigurations paperConfigurations; // Paper - add paper configuration files
- public static long currentTickLong = 0L; // Paper - track current tick as a long
+ //public static long currentTickLong = 0L; // Paper - track current tick as a long // Folia - threaded regions
public boolean isIteratingOverLevels = false; // Paper - Throw exception on world create while being ticked
public volatile Thread shutdownThread; // Paper
public volatile boolean abnormalExit = false; // Paper
public static final long SERVER_INIT = System.nanoTime(); // Paper - Lag compensation
+ // Folia start - regionised ticking
+ public final io.papermc.paper.threadedregions.RegionizedServer regionizedServer = new io.papermc.paper.threadedregions.RegionizedServer();
+
+ @Override
+ public void execute(Runnable runnable) {
+ if (true) {
+ throw new UnsupportedOperationException();
+ }
+ super.execute(runnable);
+ }
+
+ @Override
+ public void executeBlocking(Runnable runnable) {
+ if (true) {
+ throw new UnsupportedOperationException();
+ }
+ super.executeBlocking(runnable);
+ }
+
+ @Override
+ public void tell(TickTask runnable) {
+ if (true) {
+ throw new UnsupportedOperationException();
+ }
+ super.tell(runnable);
+ }
+ // Folia end - regionised ticking
+
public static <S extends MinecraftServer> S spin(Function<Thread, S> serverFactory) {
AtomicReference<S> atomicreference = new AtomicReference();
Thread thread = new io.papermc.paper.util.TickThread(() -> { // Paper - rewrite chunk system
@@ -348,7 +375,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.port = -1;
this.levels = Maps.newLinkedHashMap();
this.running = true;
- this.ticksUntilAutosave = 6000;
+ // Folia - use absolute time instead of this
this.tickTimesNanos = new long[100];
this.aggregatedTickTimesNanos = 0L;
this.nextTickTimeNanos = Util.getNanos();
@@ -638,7 +665,21 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
worlddata.setModdedInfo(this.getServerModName(), this.getModdedStatus().shouldReportAsModified());
this.addLevel(world); // Paper - Put world into worldlist before initing the world; move up
- this.initWorld(world, worlddata, this.worldData, worldoptions);
+ // Folia start - region threading
+ // the spawn should be within ~32 blocks, so we force add ticket levels to ensure the first thread
+ // to init spawn will not run into any ownership issues
+ // move init to start of tickServer
+ int loadRegionRadius = ((32) >> 4);
+ world.randomSpawnSelection = new ChunkPos(world.getChunkSource().randomState().sampler().findSpawnPosition());
+ for (int currX = -loadRegionRadius; currX <= loadRegionRadius; ++currX) {
+ for (int currZ = -loadRegionRadius; currZ <= loadRegionRadius; ++currZ) {
+ ChunkPos pos = new ChunkPos(currX, currZ);
+ world.chunkSource.addTicketAtLevel(
+ TicketType.UNKNOWN, pos, io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL, pos
+ );
+ }
+ }
+ // Folia end - region threading
// Paper - Put world into worldlist before initing the world; move up
this.getPlayerList().addWorldborderListener(world);
@@ -650,6 +691,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.forceDifficulty();
for (ServerLevel worldserver : this.getAllLevels()) {
this.prepareLevels(worldserver.getChunkSource().chunkMap.progressListener, worldserver);
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addWorld(worldserver); // Folia - region threading
//worldserver.entityManager.tick(); // SPIGOT-6526: Load pending entities so they are available to the API // Paper - rewrite chunk system, not required to "tick" anything
this.server.getPluginManager().callEvent(new org.bukkit.event.world.WorldLoadEvent(worldserver.getWorld()));
}
@@ -713,7 +755,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
worldProperties.setSpawn(BlockPos.ZERO.above(80), 0.0F);
} else {
ServerChunkCache chunkproviderserver = world.getChunkSource();
- ChunkPos chunkcoordintpair = new ChunkPos(chunkproviderserver.randomState().sampler().findSpawnPosition());
+ ChunkPos chunkcoordintpair = world.randomSpawnSelection; // Folia - region threading
// CraftBukkit start
if (world.generator != null) {
Random rand = new Random(world.getSeed());
@@ -734,6 +776,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
if (i < world.getMinBuildHeight()) {
BlockPos blockposition = chunkcoordintpair.getWorldPosition();
+ world.getChunk(blockposition.offset(8, 0, 8)); // Folia - region threading - sync load first
i = world.getHeight(Heightmap.Types.WORLD_SURFACE, blockposition.getX() + 8, blockposition.getZ() + 8);
}
@@ -814,7 +857,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// Paper end - Configurable Keep Spawn Loaded range per world
// this.nextTickTimeNanos = SystemUtils.getNanos() + MinecraftServer.PREPARE_LEVELS_DEFAULT_DELAY_NANOS;
- this.executeModerately();
+ //this.executeModerately(); // Folia - region threading
// Iterator iterator = this.levels.values().iterator();
} // Paper - Configurable Keep Spawn Loaded range per world
@@ -837,7 +880,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// CraftBukkit start
// this.nextTickTimeNanos = SystemUtils.getNanos() + MinecraftServer.PREPARE_LEVELS_DEFAULT_DELAY_NANOS;
- this.executeModerately();
+ //this.executeModerately(); // Folia - region threading
// CraftBukkit end
if (worldserver.getWorld().getKeepSpawnInMemory()) worldloadlistener.stop(); // Paper - Configurable Keep Spawn Loaded range per world
// CraftBukkit start
@@ -941,7 +984,37 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
// CraftBukkit end
+ // Folia start - region threading
+ private final java.util.concurrent.atomic.AtomicBoolean hasStartedShutdownThread = new java.util.concurrent.atomic.AtomicBoolean();
+
+ private void haltServerRegionThreading() {
+ if (this.hasStartedShutdownThread.getAndSet(true)) {
+ // already started shutdown
+ return;
+ }
+ new io.papermc.paper.threadedregions.RegionShutdownThread("Region shutdown thread").start();
+ }
+
+ public void haltCurrentRegion() {
+ if (!io.papermc.paper.util.TickThread.isShutdownThread()) {
+ throw new IllegalStateException();
+ }
+ }
+ // Folia end - region threading
+
public void stopServer() {
+ // Folia start - region threading
+ // halt scheduler
+ // don't wait, we may be on a scheduler thread
+ io.papermc.paper.threadedregions.TickRegions.getScheduler().halt(false, 0L);
+ // cannot run shutdown logic on this thread, as it may be a scheduler
+ if (true) {
+ if (!io.papermc.paper.util.TickThread.isShutdownThread()) {
+ this.haltServerRegionThreading();
+ return;
+ } // else: fall through to regular stop logic
+ }
+ // Folia end - region threading
// CraftBukkit start - prevent double stopping on multiple threads
synchronized(this.stopLock) {
if (this.hasStopped) return;
@@ -951,7 +1024,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// Paper start - kill main thread, and kill it hard
shutdownThread = Thread.currentThread();
org.spigotmc.WatchdogThread.doStop(); // Paper
- if (!isSameThread()) {
+ if (false && !isSameThread()) { // Folia - region threading
MinecraftServer.LOGGER.info("Stopping main thread (Ignore any thread death message you see! - DO NOT REPORT THREAD DEATH TO PAPER)");
while (this.getRunningThread().isAlive()) {
this.getRunningThread().stop();
@@ -978,12 +1051,19 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.getConnection().stop();
this.isSaving = true;
if (this.playerList != null) {
- MinecraftServer.LOGGER.info("Saving players");
- this.playerList.saveAll();
+ //MinecraftServer.LOGGER.info("Saving players"); // Folia - move to shutdown thread logic
+ //this.playerList.saveAll(); // Folia - move to shutdown thread logic
this.playerList.removeAll(this.isRestarting); // Paper
try { Thread.sleep(100); } catch (InterruptedException ex) {} // CraftBukkit - SPIGOT-625 - give server at least a chance to send packets
}
+ // Folia start - region threading
+ if (true) {
+ // the rest till part 2 is handled by the region shutdown thread
+ return;
+ }
+ // Folia end - region threading
+
MinecraftServer.LOGGER.info("Saving worlds");
Iterator iterator = this.getAllLevels().iterator();
@@ -999,6 +1079,11 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.saveAllChunks(false, true, false, true); // Paper - rewrite chunk system - move closing into here
this.isSaving = false;
+ // Folia start - region threading
+ this.stopPart2();
+ }
+ public void stopPart2() {
+ // Folia end - region threading
this.resources.close();
try {
@@ -1055,6 +1140,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
if (isDebugging()) io.papermc.paper.util.TraceUtil.dumpTraceForThread("Server stopped"); // Paper - Debugging
// Paper end
this.running = false;
+ this.stopServer(); // Folia - region threading
if (waitForShutdown) {
try {
this.serverThread.join();
@@ -1136,10 +1222,23 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.statusIcon = (ServerStatus.Favicon) this.loadStatusIcon().orElse(null); // CraftBukkit - decompile error
this.status = this.buildServerStatus();
+ // Folia start - region threading
+ if (true) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().init(); // Folia - region threading - only after loading worlds
+ String doneTime = String.format(java.util.Locale.ROOT, "%.3fs", (double) (Util.getNanos() - serverStartTime) / 1.0E9D);
+ LOGGER.info("Done ({})! For help, type \"help\"", doneTime);
+ for (;;) {
+ try {
+ Thread.sleep(Long.MAX_VALUE);
+ } catch (final InterruptedException ex) {}
+ }
+ }
+ // Folia end - region threading
+
// Spigot start
// Paper start - move done tracking
LOGGER.info("Running delayed init tasks");
- this.server.getScheduler().mainThreadHeartbeat(this.tickCount); // run all 1 tick delay tasks during init,
+ //this.server.getScheduler().mainThreadHeartbeat(this.tickCount); // run all 1 tick delay tasks during init, // Folia - region threading
// this is going to be the first thing the tick process does anyways, so move done and run it after
// everything is init before watchdog tick.
// anything at 3+ won't be caught here but also will trip watchdog....
@@ -1192,10 +1291,10 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
}
// Spigot start
- ++MinecraftServer.currentTickLong; // Paper - track current tick as a long
+ //++MinecraftServer.currentTickLong; // Paper - track current tick as a long // Folia - region threading
// Paper start - further improve server tick loop
currentTime = Util.getNanos();
- if (++MinecraftServer.currentTick % MinecraftServer.SAMPLE_INTERVAL == 0) {
+ if (false) { // Folia - region threading
final long diff = currentTime - tickSection;
final java.math.BigDecimal currentTps = TPS_BASE.divide(new java.math.BigDecimal(diff), 30, java.math.RoundingMode.HALF_UP);
tps1.add(currentTps, diff);
@@ -1215,7 +1314,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
if (this.debugCommandProfilerDelayStart) {
this.debugCommandProfilerDelayStart = false;
- this.debugCommandProfiler = new MinecraftServer.TimeProfiler(Util.getNanos(), this.tickCount);
+ //this.debugCommandProfiler = new MinecraftServer.TimeProfiler(Util.getNanos(), this.tickCount); // Folia - region threading
}
//MinecraftServer.currentTick = (int) (System.currentTimeMillis() / 50); // CraftBukkit // Paper - don't overwrite current tick time
@@ -1223,9 +1322,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.nextTickTimeNanos += i;
this.startMetricsRecordingTick();
this.profiler.push("tick");
- this.tickServer(flag ? () -> {
- return false;
- } : this::haveTime);
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
this.profiler.popPush("nextTickWait");
this.mayHaveDelayedTasks = true;
this.delayedTasksMaxNextTickTimeNanos = Math.max(Util.getNanos() + i, this.nextTickTimeNanos);
@@ -1347,21 +1444,16 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
@Override
public TickTask wrapRunnable(Runnable runnable) {
- // Paper start - anything that does try to post to main during watchdog crash, run on watchdog
- if (this.hasStopped && Thread.currentThread().equals(shutdownThread)) {
- runnable.run();
- runnable = () -> {};
- }
- // Paper end
- return new TickTask(this.tickCount, runnable);
+ throw new UnsupportedOperationException(); // Folia - region threading
}
protected boolean shouldRun(TickTask ticktask) {
- return ticktask.getTick() + 3 < this.tickCount || this.haveTime();
+ throw new UnsupportedOperationException(); // Folia - region threading
}
@Override
public boolean pollTask() {
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
boolean flag = this.pollTaskInternal();
this.mayHaveDelayedTasks = flag;
@@ -1374,33 +1466,20 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
static final long TASK_EXECUTION_FAILURE_BACKOFF = 5L * 1000L; // 5us
- private static long lastMidTickExecute;
- private static long lastMidTickExecuteFailure;
-
- private boolean tickMidTickTasks() {
- // give all worlds a fair chance at by targetting them all.
- // if we execute too many tasks, that's fine - we have logic to correctly handle overuse of allocated time.
- boolean executed = false;
- for (ServerLevel world : this.getAllLevels()) {
- long currTime = System.nanoTime();
- if (currTime - world.lastMidTickExecuteFailure <= TASK_EXECUTION_FAILURE_BACKOFF) {
- continue;
- }
- if (!world.getChunkSource().pollTask()) {
- // we need to back off if this fails
- world.lastMidTickExecuteFailure = currTime;
- } else {
- executed = true;
- }
- }
+ // Folia - region threading
- return executed;
+ // Folia start - region threading
+ private boolean tickMidTickTasks(io.papermc.paper.threadedregions.RegionizedWorldData worldData) { // Folia - region threading
+ // Folia - region threading - only execute for one world
+ return worldData.world.getChunkSource().pollTask();
}
+ // Folia end - region threading
public final void executeMidTickTasks() {
org.spigotmc.AsyncCatcher.catchOp("mid tick chunk task execution");
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData(); // Folia - region threading
long startTime = System.nanoTime();
- if ((startTime - lastMidTickExecute) <= CHUNK_TASK_QUEUE_BACKOFF_MIN_TIME || (startTime - lastMidTickExecuteFailure) <= TASK_EXECUTION_FAILURE_BACKOFF) {
+ if ((startTime - worldData.lastMidTickExecute) <= CHUNK_TASK_QUEUE_BACKOFF_MIN_TIME || (startTime - worldData.lastMidTickExecuteFailure) <= TASK_EXECUTION_FAILURE_BACKOFF) { // Folia - region threading
// it's shown to be bad to constantly hit the queue (chunk loads slow to a crawl), even if no tasks are executed.
// so, backoff to prevent this
return;
@@ -1409,13 +1488,13 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
co.aikar.timings.MinecraftTimings.midTickChunkTasks.startTiming();
try {
for (;;) {
- boolean moreTasks = this.tickMidTickTasks();
+ boolean moreTasks = this.tickMidTickTasks(worldData); // Folia - region threading
long currTime = System.nanoTime();
long diff = currTime - startTime;
if (!moreTasks || diff >= MAX_CHUNK_EXEC_TIME) {
if (!moreTasks) {
- lastMidTickExecuteFailure = currTime;
+ worldData.lastMidTickExecuteFailure = currTime; // Folia - region threading
}
// note: negative values reduce the time
@@ -1428,7 +1507,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
double overuseCount = (double)overuse/(double)MAX_CHUNK_EXEC_TIME;
long extraSleep = (long)Math.round(overuseCount*CHUNK_TASK_QUEUE_BACKOFF_MIN_TIME);
- lastMidTickExecute = currTime + extraSleep;
+ worldData.lastMidTickExecute = currTime + extraSleep; // Folia - region threading
return;
}
}
@@ -1439,6 +1518,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// Paper end - execute chunk tasks mid tick
private boolean pollTaskInternal() {
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
if (super.pollTask()) {
this.executeMidTickTasks(); // Paper - execute chunk tasks mid tick
return true;
@@ -1461,6 +1541,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
public void doRunTask(TickTask ticktask) { // CraftBukkit - decompile error
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
this.getProfiler().incrementCounter("runTask");
super.doRunTask(ticktask);
}
@@ -1507,43 +1588,83 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
return false;
}
- public void tickServer(BooleanSupplier shouldKeepTicking) {
+ // Folia start - region threading
+ public void tickServer(long startTime, long scheduledEnd, long targetBuffer,
+ io.papermc.paper.threadedregions.TickRegions.TickRegionData region) {
+ if (region != null) {
+ region.world.getCurrentWorldData().updateTickData();
+ if (region.world.checkInitialised.get() != ServerLevel.WORLD_INIT_CHECKED) {
+ synchronized (region.world.checkInitialised) {
+ if (region.world.checkInitialised.compareAndSet(ServerLevel.WORLD_INIT_NOT_CHECKED, ServerLevel.WORLD_INIT_CHECKING)) {
+ LOGGER.info("Initialising world '" + region.world.getWorld().getName() + "' before it can be ticked...");
+ this.initWorld(region.world, region.world.serverLevelData, worldData, region.world.serverLevelData.worldGenOptions()); // Folia - delayed until first tick of world
+ region.world.checkInitialised.set(ServerLevel.WORLD_INIT_CHECKED);
+ LOGGER.info("Initialised world '" + region.world.getWorld().getName() + "'");
+ } // else: must be checked
+ }
+ }
+ }
+ BooleanSupplier shouldKeepTicking = () -> {
+ return scheduledEnd - System.nanoTime() > targetBuffer;
+ };
+ new com.destroystokyo.paper.event.server.ServerTickStartEvent((int)region.getCurrentTick()).callEvent(); // Paper
+ // Folia end - region threading
co.aikar.timings.TimingsManager.FULL_SERVER_TICK.startTiming(); // Paper
- long i = Util.getNanos();
+ long i = startTime; // Folia - region threading
// Paper start - move oversleep into full server tick
+ if (region == null) { // Folia - region threading
isOversleep = true;MinecraftTimings.serverOversleep.startTiming();
this.managedBlock(() -> {
return !this.canOversleep();
});
isOversleep = false;MinecraftTimings.serverOversleep.stopTiming();
+ } // Folia - region threading
// Paper end
- new com.destroystokyo.paper.event.server.ServerTickStartEvent(this.tickCount+1).callEvent(); // Paper - Server Tick Events
+ // Folia - region threading - move up
+
+ // Folia start - region threading
+ if (region != null) {
+ region.getTaskQueueData().drainTasks();
+ ((io.papermc.paper.threadedregions.scheduler.FoliaRegionScheduler)Bukkit.getRegionScheduler()).tick();
+ // now run all the entity schedulers
+ // TODO there has got to be a more efficient variant of this crap
+ for (Entity entity : region.world.getCurrentWorldData().getLocalEntitiesCopy()) {
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(entity) || entity.isRemoved()) {
+ continue;
+ }
+ org.bukkit.craftbukkit.entity.CraftEntity bukkit = entity.getBukkitEntityRaw();
+ if (bukkit != null) {
+ bukkit.taskScheduler.executeTick();
+ }
+ }
+ }
+ // Folia end - region threading
- ++this.tickCount;
- this.tickRateManager.tick();
- this.tickChildren(shouldKeepTicking);
- if (i - this.lastServerStatus >= MinecraftServer.STATUS_EXPIRE_TIME_NANOS) {
+ // Folia - region threading
+ if (region == null) this.tickRateManager.tick(); // Folia - region threading
+ this.tickChildren(shouldKeepTicking, region); // Folia - region threading
+ if (region == null && i - this.lastServerStatus >= MinecraftServer.STATUS_EXPIRE_TIME_NANOS) { // Folia - region threading
this.lastServerStatus = i;
this.status = this.buildServerStatus();
}
- --this.ticksUntilAutosave;
+ // Folia - region threading
// Paper start - Incremental chunk and player saving
int playerSaveInterval = io.papermc.paper.configuration.GlobalConfiguration.get().playerAutoSave.rate;
if (playerSaveInterval < 0) {
playerSaveInterval = autosavePeriod;
}
this.profiler.push("save");
- final boolean fullSave = autosavePeriod > 0 && this.tickCount % autosavePeriod == 0;
+ final boolean fullSave = autosavePeriod > 0 && io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() % autosavePeriod == 0; // Folia - region threading
try {
this.isSaving = true;
if (playerSaveInterval > 0) {
this.playerList.saveAll(playerSaveInterval);
}
- for (ServerLevel level : this.getAllLevels()) {
+ for (ServerLevel level : (region == null ? this.getAllLevels() : Arrays.asList(region.world))) { // Folia - region threading
if (level.paperConfig().chunks.autoSaveInterval.value() > 0) {
- level.saveIncrementally(fullSave);
+ level.saveIncrementally(region == null && fullSave); // Folia - region threading - don't save level.dat
}
}
} finally {
@@ -1553,63 +1674,37 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// Paper end - Incremental chunk and player saving
io.papermc.paper.util.CachedLists.reset(); // Paper
// Paper start - move executeAll() into full server tick timing
- try (co.aikar.timings.Timing ignored = MinecraftTimings.processTasksTimer.startTiming()) {
+ if (region == null) try (co.aikar.timings.Timing ignored = MinecraftTimings.processTasksTimer.startTiming()) { // Folia - region threading
this.runAllTasks();
}
// Paper end
// Paper start - Server Tick Events
long endTime = System.nanoTime();
- long remaining = (TICK_TIME - (endTime - lastTick)) - catchupTime;
- new com.destroystokyo.paper.event.server.ServerTickEndEvent(this.tickCount, ((double)(endTime - lastTick) / 1000000D), remaining).callEvent();
+ long remaining = scheduledEnd - endTime; // Folia - region ticking
+ new com.destroystokyo.paper.event.server.ServerTickEndEvent((int)io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick(), ((double)(endTime - startTime) / 1000000D), remaining).callEvent(); // Folia - region ticking
// Paper end - Server Tick Events
this.profiler.push("tallying");
- long j = Util.getNanos() - i;
- int k = this.tickCount % 100;
-
- this.aggregatedTickTimesNanos -= this.tickTimesNanos[k];
- this.aggregatedTickTimesNanos += j;
- this.tickTimesNanos[k] = j;
- this.smoothedTickTimeMillis = this.smoothedTickTimeMillis * 0.8F + (float) j / (float) TimeUtil.NANOSECONDS_PER_MILLISECOND * 0.19999999F;
- long l = Util.getNanos();
-
- // Paper start - Add tick times API and /mspt command
- tickTimes5s.add(this.tickCount, j);
- tickTimes10s.add(this.tickCount, j);
- tickTimes60s.add(this.tickCount, j);
- // Paper end - Add tick times API and /mspt command
- this.logTickTime(l - i);
+ // Folia - region threading
this.profiler.pop();
org.spigotmc.WatchdogThread.tick(); // Spigot
co.aikar.timings.TimingsManager.FULL_SERVER_TICK.stopTiming(); // Paper
}
- private int computeNextAutosaveInterval() {
- float f;
-
- if (this.tickRateManager.isSprinting()) {
- long i = this.getAverageTickTimeNanos() + 1L;
-
- f = (float) TimeUtil.NANOSECONDS_PER_SECOND / (float) i;
- } else {
- f = this.tickRateManager.tickrate();
- }
-
- boolean flag = true;
-
- return Math.max(100, (int) (f * 300.0F));
- }
+ // Folia - region threading - use absolute time instead of this
public void onTickRateChanged() {
- int i = this.computeNextAutosaveInterval();
-
- if (i < this.ticksUntilAutosave) {
- this.ticksUntilAutosave = i;
- }
+ // Folia - region threading - use absolute time instead of this
}
protected void logTickTime(long nanos) {}
+ // Folia start - region threading
+ public void rebuildServerStatus() {
+ this.status = this.buildServerStatus();
+ }
+ // Folia end - region threading
+
private ServerStatus buildServerStatus() {
ServerStatus.Players serverping_serverpingplayersample = this.buildPlayerStatus();
@@ -1617,7 +1712,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
private ServerStatus.Players buildPlayerStatus() {
- List<ServerPlayer> list = this.playerList.getPlayers();
+ List<ServerPlayer> list = new java.util.ArrayList<>(this.playerList.getPlayers()); // Folia - region threading
int i = this.getMaxPlayers();
if (this.hidesOnlinePlayers()) {
@@ -1638,31 +1733,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
}
- public void tickChildren(BooleanSupplier shouldKeepTicking) {
- this.getPlayerList().getPlayers().forEach((entityplayer) -> {
+ public void tickChildren(BooleanSupplier shouldKeepTicking, io.papermc.paper.threadedregions.TickRegions.TickRegionData region) { // Folia - region threading
+ final io.papermc.paper.threadedregions.RegionizedWorldData regionizedWorldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData(); // Folia - regionised ticking
+ if (region == null) this.getPlayerList().getPlayers().forEach((entityplayer) -> { // Folia - region threading
entityplayer.connection.suspendFlushing();
});
MinecraftTimings.bukkitSchedulerTimer.startTiming(); // Spigot // Paper
- this.server.getScheduler().mainThreadHeartbeat(this.tickCount); // CraftBukkit
+ // Folia - region threading
MinecraftTimings.bukkitSchedulerTimer.stopTiming(); // Spigot // Paper
- // Paper start - Folia scheduler API
- ((io.papermc.paper.threadedregions.scheduler.FoliaGlobalRegionScheduler) Bukkit.getGlobalRegionScheduler()).tick();
- getAllLevels().forEach(level -> {
- for (final Entity entity : level.getEntityLookup().getAllCopy()) { // Paper - rewrite chunk system
- if (entity.isRemoved()) {
- continue;
- }
- final org.bukkit.craftbukkit.entity.CraftEntity bukkit = entity.getBukkitEntityRaw();
- if (bukkit != null) {
- bukkit.taskScheduler.executeTick();
- }
- }
- });
- // Paper end - Folia scheduler API
- io.papermc.paper.adventure.providers.ClickCallbackProviderImpl.CALLBACK_MANAGER.handleQueue(this.tickCount); // Paper
+ // Folia - region threading - moved to global tick - and moved entity scheduler to tickRegion
this.profiler.push("commandFunctions");
MinecraftTimings.commandFunctionsTimer.startTiming(); // Spigot // Paper
- this.getFunctions().tick();
+ if (region == null) this.getFunctions().tick(); // Folia - region threading - TODO Purge functions
MinecraftTimings.commandFunctionsTimer.stopTiming(); // Spigot // Paper
this.profiler.popPush("levels");
//Iterator iterator = this.getAllLevels().iterator(); // Paper - Throw exception on world create while being ticked; moved down
@@ -1670,7 +1752,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// CraftBukkit start
// Run tasks that are waiting on processing
MinecraftTimings.processQueueTimer.startTiming(); // Spigot
- while (!this.processQueue.isEmpty()) {
+ if (region == null) while (!this.processQueue.isEmpty()) { // Folia - region threading
this.processQueue.remove().run();
}
MinecraftTimings.processQueueTimer.stopTiming(); // Spigot
@@ -1678,13 +1760,13 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
MinecraftTimings.timeUpdateTimer.startTiming(); // Spigot // Paper
// Send time updates to everyone, it will get the right time from the world the player is in.
// Paper start - Perf: Optimize time updates
- for (final ServerLevel level : this.getAllLevels()) {
+ for (final ServerLevel level : (region == null ? this.getAllLevels() : Arrays.asList(region.world))) { // Folia - region threading
final boolean doDaylight = level.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT);
final long dayTime = level.getDayTime();
long worldTime = level.getGameTime();
final ClientboundSetTimePacket worldPacket = new ClientboundSetTimePacket(worldTime, dayTime, doDaylight);
- for (Player entityhuman : level.players()) {
- if (!(entityhuman instanceof ServerPlayer) || (tickCount + entityhuman.getId()) % 20 != 0) {
+ for (Player entityhuman : level.getLocalPlayers()) { // Folia - region threading
+ if (!(entityhuman instanceof ServerPlayer) || (io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() + entityhuman.getId()) % 20 != 0) { // Folia - region threading
continue;
}
ServerPlayer entityplayer = (ServerPlayer) entityhuman;
@@ -1697,14 +1779,11 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// Paper end - Perf: Optimize time updates
MinecraftTimings.timeUpdateTimer.stopTiming(); // Spigot // Paper
- this.isIteratingOverLevels = true; // Paper - Throw exception on world create while being ticked
- Iterator iterator = this.getAllLevels().iterator(); // Paper - Throw exception on world create while being ticked; move down
+ if (region == null) this.isIteratingOverLevels = true; // Paper - Throw exception on world create while being ticked // Folia - region threading
+ Iterator iterator = region == null ? this.getAllLevels().iterator() : Arrays.asList(region.world).iterator(); // Paper - Throw exception on world create while being ticked; move down // Folia - region threading
while (iterator.hasNext()) {
ServerLevel worldserver = (ServerLevel) iterator.next();
- worldserver.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper - BlockPhysicsEvent
- worldserver.hasEntityMoveEvent = io.papermc.paper.event.entity.EntityMoveEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper - Add EntityMoveEvent
- net.minecraft.world.level.block.entity.HopperBlockEntity.skipHopperEvents = worldserver.paperConfig().hopper.disableMoveEvent || org.bukkit.event.inventory.InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0; // Paper - Perf: Optimize Hoppers
- worldserver.updateLagCompensationTick(); // Paper - lag compensation
+ // Folia - region threading
this.profiler.push(() -> {
return worldserver + " " + worldserver.dimension().location();
@@ -1721,7 +1800,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
try {
worldserver.timings.doTick.startTiming(); // Spigot
- worldserver.tick(shouldKeepTicking);
+ worldserver.tick(shouldKeepTicking, region); // Folia - region threading
// Paper start
for (final io.papermc.paper.chunk.SingleThreadChunkRegionManager regionManager : worldserver.getChunkSource().chunkMap.regionManagers) {
regionManager.recalculateRegions();
@@ -1737,17 +1816,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.profiler.pop();
this.profiler.pop();
- worldserver.explosionDensityCache.clear(); // Paper - Optimize explosions
+ regionizedWorldData.explosionDensityCache.clear(); // Paper - Optimize explosions // Folia - region threading
}
- this.isIteratingOverLevels = false; // Paper - Throw exception on world create while being ticked
+ if (region == null) this.isIteratingOverLevels = false; // Paper - Throw exception on world create while being ticked // Folia - region threading
this.profiler.popPush("connection");
MinecraftTimings.connectionTimer.startTiming(); // Spigot // Paper
- this.getConnection().tick();
+ if (region == null) this.getConnection().tick(); // Folia - region threading
+ if (region != null) regionizedWorldData.tickConnections(); // Folia - region threading
MinecraftTimings.connectionTimer.stopTiming(); // Spigot // Paper
this.profiler.popPush("players");
MinecraftTimings.playerListTimer.startTiming(); // Spigot // Paper
- this.playerList.tick();
+ if (false) this.playerList.tick(); // Folia - region threading
MinecraftTimings.playerListTimer.stopTiming(); // Spigot // Paper
if (SharedConstants.IS_RUNNING_IN_IDE && this.tickRateManager.runsNormally()) {
GameTestTicker.SINGLETON.tick();
@@ -1756,7 +1836,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.profiler.popPush("server gui refresh");
MinecraftTimings.tickablesTimer.startTiming(); // Spigot // Paper
- for (int i = 0; i < this.tickables.size(); ++i) {
+ if (region == null) for (int i = 0; i < this.tickables.size(); ++i) { // Folia - region threading - TODO WTF is this?
((Runnable) this.tickables.get(i)).run();
}
MinecraftTimings.tickablesTimer.stopTiming(); // Spigot // Paper
@@ -1764,7 +1844,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.profiler.popPush("send chunks");
iterator = this.playerList.getPlayers().iterator();
- while (iterator.hasNext()) {
+ if (region == null) while (iterator.hasNext()) { // Folia - region threading
ServerPlayer entityplayer = (ServerPlayer) iterator.next();
entityplayer.connection.chunkSender.sendNextChunks(entityplayer);
@@ -2107,7 +2187,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
public int getTickCount() {
- return this.tickCount;
+ throw new UnsupportedOperationException(); // Folia - region threading
}
public int getSpawnProtectionRadius() {
@@ -2162,6 +2242,15 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
public void invalidateStatus() {
+ // Folia start - region threading
+ if (true) {
+ // we don't need this to notify the global tick region
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTaskWithoutNotify(() -> {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().invalidateStatus();
+ });
+ return;
+ }
+ // Folia end - region threading
this.lastServerStatus = 0L;
}
@@ -2176,6 +2265,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
@Override
public void executeIfPossible(Runnable runnable) {
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
if (this.isStopped()) {
throw new RejectedExecutionException("Server already shutting down");
} else {
@@ -2434,7 +2524,12 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
public long getAverageTickTimeNanos() {
- return this.aggregatedTickTimesNanos / (long) Math.min(100, Math.max(this.tickCount, 1));
+ // Folia start - region threading
+ if (io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentTickingTask() instanceof io.papermc.paper.threadedregions.TickRegionScheduler.RegionScheduleHandle handle) {
+ return (long)Math.ceil(handle.getTickReport5s(System.nanoTime()).timePerTickData().segmentAll().average());
+ }
+ return 0L;
+ // Folia end - region threading
}
public long[] getTickTimesNanos() {
@@ -2791,14 +2886,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
public ProfileResults stopTimeProfiler() {
- if (this.debugCommandProfiler == null) {
- return EmptyProfileResults.EMPTY;
- } else {
- ProfileResults methodprofilerresults = this.debugCommandProfiler.stop(Util.getNanos(), this.tickCount);
-
- this.debugCommandProfiler = null;
- return methodprofilerresults;
- }
+ throw new UnsupportedOperationException(); // Folia - region threading
}
public int getMaxChainedNeighborUpdates() {
diff --git a/src/main/java/net/minecraft/server/commands/AdvancementCommands.java b/src/main/java/net/minecraft/server/commands/AdvancementCommands.java
index 7f2d779986669dcd46fee12cedc03bbad9e91cd3..abd99437d2b368a4fb493fb5fe5278ea4ae41421 100644
--- a/src/main/java/net/minecraft/server/commands/AdvancementCommands.java
+++ b/src/main/java/net/minecraft/server/commands/AdvancementCommands.java
@@ -73,7 +73,11 @@ public class AdvancementCommands {
int i = 0;
for(ServerPlayer serverPlayer : targets) {
- i += operation.perform(serverPlayer, selection);
+ i += 1; // Folia - region threading
+ serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { // Folia - region threading
+ operation.perform(serverPlayer, selection);
+ }, null, 1L); // Folia - region threading
+
}
if (i == 0) {
@@ -120,9 +124,13 @@ public class AdvancementCommands {
throw ERROR_CRITERION_NOT_FOUND.create(Advancement.name(advancement), criterion);
} else {
for(ServerPlayer serverPlayer : targets) {
+ ++i; // Folia - region threading
+ serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { // Folia - region threading
if (operation.performCriterion(serverPlayer, advancement, criterion)) {
- ++i;
+ // Folia - region threading
}
+ }, null, 1L); // Folia - region threading
+
}
if (i == 0) {
diff --git a/src/main/java/net/minecraft/server/commands/AttributeCommand.java b/src/main/java/net/minecraft/server/commands/AttributeCommand.java
index 0b054674ce8cb2465dc8658a21ff2ab10c465666..0b6134313f34789a3a245e82f6d1d64903e2817c 100644
--- a/src/main/java/net/minecraft/server/commands/AttributeCommand.java
+++ b/src/main/java/net/minecraft/server/commands/AttributeCommand.java
@@ -92,25 +92,57 @@ public class AttributeCommand {
}
}
+ // Folia start - region threading
+ private static void sendMessage(CommandSourceStack src, CommandSyntaxException ex) {
+ src.sendFailure((Component)ex.getRawMessage());
+ }
+ // Folia end - region threading
+
private static int getAttributeValue(CommandSourceStack source, Entity target, Holder<Attribute> attribute, double multiplier) throws CommandSyntaxException {
+ // Folia start - region threading
+ target.getBukkitEntity().taskScheduler.schedule((LivingEntity nmsEntity) -> {
+ try {
+ // Folia end - region threading
LivingEntity livingEntity = getEntityWithAttribute(target, attribute);
double d = livingEntity.getAttributeValue(attribute);
source.sendSuccess(() -> {
return Component.translatable("commands.attribute.value.get.success", getAttributeDescription(attribute), target.getName(), d);
}, false);
- return (int)(d * multiplier);
+ return; // Folia - region threading
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }, null, 1L);
+ return 0;
+ // Folia end - region threading
}
private static int getAttributeBase(CommandSourceStack source, Entity target, Holder<Attribute> attribute, double multiplier) throws CommandSyntaxException {
+ // Folia start - region threading
+ target.getBukkitEntity().taskScheduler.schedule((LivingEntity nmsEntity) -> {
+ try {
+ // Folia end - region threading
LivingEntity livingEntity = getEntityWithAttribute(target, attribute);
double d = livingEntity.getAttributeBaseValue(attribute);
source.sendSuccess(() -> {
return Component.translatable("commands.attribute.base_value.get.success", getAttributeDescription(attribute), target.getName(), d);
}, false);
- return (int)(d * multiplier);
+ return; // Folia - region threading
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }, null, 1L);
+ return 0;
+ // Folia end - region threading
}
private static int getAttributeModifier(CommandSourceStack source, Entity target, Holder<Attribute> attribute, UUID uuid, double multiplier) throws CommandSyntaxException {
+ // Folia start - region threading
+ target.getBukkitEntity().taskScheduler.schedule((LivingEntity nmsEntity) -> {
+ try {
+ // Folia end - region threading
LivingEntity livingEntity = getEntityWithAttribute(target, attribute);
AttributeMap attributeMap = livingEntity.getAttributes();
if (!attributeMap.hasModifier(attribute, uuid)) {
@@ -120,19 +152,40 @@ public class AttributeCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.attribute.modifier.value.get.success", Component.translationArg(uuid), getAttributeDescription(attribute), target.getName(), d);
}, false);
- return (int)(d * multiplier);
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }, null, 1L);
+ return 0;
+ // Folia end - region threading
}
private static int setAttributeBase(CommandSourceStack source, Entity target, Holder<Attribute> attribute, double value) throws CommandSyntaxException {
+ // Folia start - region threading
+ target.getBukkitEntity().taskScheduler.schedule((LivingEntity nmsEntity) -> {
+ try {
+ // Folia end - region threading
getAttributeInstance(target, attribute).setBaseValue(value);
source.sendSuccess(() -> {
return Component.translatable("commands.attribute.base_value.set.success", getAttributeDescription(attribute), target.getName(), value);
}, false);
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }, null, 1L);
+ // Folia end - region threading
return 1;
}
private static int addModifier(CommandSourceStack source, Entity target, Holder<Attribute> attribute, UUID uuid, String name, double value, AttributeModifier.Operation operation) throws CommandSyntaxException {
+ // Folia start - region threading
+ target.getBukkitEntity().taskScheduler.schedule((LivingEntity nmsEntity) -> {
+ try {
+ // Folia end - region threading
AttributeInstance attributeInstance = getAttributeInstance(target, attribute);
AttributeModifier attributeModifier = new AttributeModifier(uuid, name, value, operation);
if (attributeInstance.hasModifier(attributeModifier)) {
@@ -142,20 +195,38 @@ public class AttributeCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.attribute.modifier.add.success", Component.translationArg(uuid), getAttributeDescription(attribute), target.getName());
}, false);
- return 1;
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }, null, 1L);
+ return 0;
+ // Folia end - region threading
}
private static int removeModifier(CommandSourceStack source, Entity target, Holder<Attribute> attribute, UUID uuid) throws CommandSyntaxException {
+ // Folia start - region threading
+ target.getBukkitEntity().taskScheduler.schedule((LivingEntity nmsEntity) -> {
+ try {
+ // Folia end - region threading
AttributeInstance attributeInstance = getAttributeInstance(target, attribute);
if (attributeInstance.removePermanentModifier(uuid)) {
source.sendSuccess(() -> {
return Component.translatable("commands.attribute.modifier.remove.success", Component.translationArg(uuid), getAttributeDescription(attribute), target.getName());
}, false);
- return 1;
+ return; // Folia - region threading
} else {
throw ERROR_NO_SUCH_MODIFIER.create(target.getName(), getAttributeDescription(attribute), uuid);
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }, null, 1L);
+ return 0;
+ // Folia end - region threading
}
private static Component getAttributeDescription(Holder<Attribute> attribute) {
diff --git a/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java b/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java
index 3d8076ce2a04c550109fb8f04f2b3d0c76b28795..581172fdd35d8a34c7e5427007981f9d67a21513 100644
--- a/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java
+++ b/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java
@@ -46,9 +46,12 @@ public class ClearInventoryCommands {
int i = 0;
for(ServerPlayer serverPlayer : targets) {
- i += serverPlayer.getInventory().clearOrCountMatchingItems(item, maxCount, serverPlayer.inventoryMenu.getCraftSlots());
+ ++i;
+ serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { // Folia - region threading
+ serverPlayer.getInventory().clearOrCountMatchingItems(item, maxCount, serverPlayer.inventoryMenu.getCraftSlots());
serverPlayer.containerMenu.broadcastChanges();
serverPlayer.inventoryMenu.slotsChanged(serverPlayer.getInventory());
+ }, null, 1L); // Folia - region threading
}
if (i == 0) {
diff --git a/src/main/java/net/minecraft/server/commands/DamageCommand.java b/src/main/java/net/minecraft/server/commands/DamageCommand.java
index b8250748606d0356da0e15d432784fb3ae59438a..473d3016f604a41ec3626bb1816888d7d2b5778d 100644
--- a/src/main/java/net/minecraft/server/commands/DamageCommand.java
+++ b/src/main/java/net/minecraft/server/commands/DamageCommand.java
@@ -34,14 +34,30 @@ public class DamageCommand {
})))))))));
}
+ // Folia start - region threading
+ private static void sendMessage(CommandSourceStack src, CommandSyntaxException ex) {
+ src.sendFailure((Component)ex.getRawMessage());
+ }
+ // Folia end - region threading
+
private static int damage(CommandSourceStack source, Entity target, float amount, DamageSource damageSource) throws CommandSyntaxException {
- if (target.hurt(damageSource, amount)) {
+ // Folia start - region threading
+ target.getBukkitEntity().taskScheduler.schedule((Entity t) -> {
+ try { // Folia end - region threading
+ if (t.hurt(damageSource, amount)) { // Folia - region threading
source.sendSuccess(() -> {
- return Component.translatable("commands.damage.success", amount, target.getDisplayName());
- }, true);
- return 1;
+ return Component.translatable("commands.damage.success", amount, t.getDisplayName());
+ }, true); // Folia - region threading
+ return; // Folia - region threading
} else {
throw ERROR_INVULNERABLE.create();
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }, null, 1L);
+ return 0;
+ // Folia end - region threading
}
}
diff --git a/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java b/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java
index 21d6a2a5d1722d44146384c28a3cba2df9b42771..365f176f8c98f6963d5c30db3eefc730e7b46803 100644
--- a/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java
+++ b/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java
@@ -25,12 +25,14 @@ public class DefaultGameModeCommands {
GameType gameType = minecraftServer.getForcedGameType();
if (gameType != null) {
for(ServerPlayer serverPlayer : minecraftServer.getPlayerList().getPlayers()) {
+ serverPlayer.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> { // Folia - region threading
// Paper start - Expand PlayerGameModeChangeEvent
org.bukkit.event.player.PlayerGameModeChangeEvent event = serverPlayer.setGameMode(gameType, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.DEFAULT_GAMEMODE, net.kyori.adventure.text.Component.empty());
if (event != null && event.isCancelled()) {
source.sendSuccess(() -> io.papermc.paper.adventure.PaperAdventure.asVanilla(event.cancelMessage()), false);
}
// Paper end - Expand PlayerGameModeChangeEvent
+ }, null, 1L); // Folia - region threading
++i;
}
}
diff --git a/src/main/java/net/minecraft/server/commands/EffectCommands.java b/src/main/java/net/minecraft/server/commands/EffectCommands.java
index ebe50e2e69d346ce9266ed3f180d91ceb58008bd..227acbe74ff009c9275542af734852e3044b111b 100644
--- a/src/main/java/net/minecraft/server/commands/EffectCommands.java
+++ b/src/main/java/net/minecraft/server/commands/EffectCommands.java
@@ -84,7 +84,15 @@ public class EffectCommands {
if (entity instanceof LivingEntity) {
MobEffectInstance mobeffect = new MobEffectInstance(mobeffectlist, k, amplifier, false, showParticles);
- if (((LivingEntity) entity).addEffect(mobeffect, source.getEntity(), org.bukkit.event.entity.EntityPotionEffectEvent.Cause.COMMAND)) { // CraftBukkit
+ // Folia start - region threading
+ entity.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> {
+ if (!(nmsEntity instanceof LivingEntity)) {
+ return;
+ }
+ ((LivingEntity) nmsEntity).addEffect(mobeffect, null, org.bukkit.event.entity.EntityPotionEffectEvent.Cause.COMMAND);
+ }, null, 1L);
+ // Folia end - region threading
+ if (true) { // CraftBukkit // Folia - region threading
++j;
}
}
@@ -114,8 +122,16 @@ public class EffectCommands {
while (iterator.hasNext()) {
Entity entity = (Entity) iterator.next();
- if (entity instanceof LivingEntity && ((LivingEntity) entity).removeAllEffects(org.bukkit.event.entity.EntityPotionEffectEvent.Cause.COMMAND)) { // CraftBukkit
+ if (entity instanceof LivingEntity) { // CraftBukkit // Folia - region threading
++i;
+ // Folia start - region threading
+ entity.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> {
+ if (!(nmsEntity instanceof LivingEntity)) {
+ return;
+ }
+ ((LivingEntity) nmsEntity).removeAllEffects(org.bukkit.event.entity.EntityPotionEffectEvent.Cause.COMMAND);
+ }, null, 1L);
+ // Folia end - region threading
}
}
@@ -144,8 +160,16 @@ public class EffectCommands {
while (iterator.hasNext()) {
Entity entity = (Entity) iterator.next();
- if (entity instanceof LivingEntity && ((LivingEntity) entity).removeEffect(mobeffectlist, org.bukkit.event.entity.EntityPotionEffectEvent.Cause.COMMAND)) { // CraftBukkit
+ if (entity instanceof LivingEntity) { // CraftBukkit // Folia - region threading
++i;
+ // Folia start - region threading
+ entity.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> {
+ if (!(nmsEntity instanceof LivingEntity)) {
+ return;
+ }
+ ((LivingEntity) nmsEntity).removeEffect(mobeffectlist, org.bukkit.event.entity.EntityPotionEffectEvent.Cause.COMMAND);
+ }, null, 1L);
+ // Folia end - region threading
}
}
diff --git a/src/main/java/net/minecraft/server/commands/EnchantCommand.java b/src/main/java/net/minecraft/server/commands/EnchantCommand.java
index 37d9c354af887c474094b1a364782007a5f2035d..e4c11fb7872338f684f97a48f95c122514180f4f 100644
--- a/src/main/java/net/minecraft/server/commands/EnchantCommand.java
+++ b/src/main/java/net/minecraft/server/commands/EnchantCommand.java
@@ -46,47 +46,73 @@ public class EnchantCommand {
})))));
}
+ // Folia start - region threading
+ private static void sendMessage(CommandSourceStack src, CommandSyntaxException ex) {
+ src.sendFailure((Component)ex.getRawMessage());
+ }
+ // Folia end - region threading
+
private static int enchant(CommandSourceStack source, Collection<? extends Entity> targets, Holder<Enchantment> enchantment, int level) throws CommandSyntaxException {
Enchantment enchantment2 = enchantment.value();
if (level > enchantment2.getMaxLevel()) {
throw ERROR_LEVEL_TOO_HIGH.create(level, enchantment2.getMaxLevel());
} else {
- int i = 0;
+ final java.util.concurrent.atomic.AtomicInteger changed = new java.util.concurrent.atomic.AtomicInteger(0); // Folia - region threading
+ final java.util.concurrent.atomic.AtomicInteger count = new java.util.concurrent.atomic.AtomicInteger(targets.size()); // Folia - region threading
+ final java.util.concurrent.atomic.AtomicReference<Component> possibleSingleDisplayName = new java.util.concurrent.atomic.AtomicReference<>(); // Folia - region threading
for(Entity entity : targets) {
if (entity instanceof LivingEntity) {
- LivingEntity livingEntity = (LivingEntity)entity;
- ItemStack itemStack = livingEntity.getMainHandItem();
- if (!itemStack.isEmpty()) {
- if (enchantment2.canEnchant(itemStack) && EnchantmentHelper.isEnchantmentCompatible(EnchantmentHelper.getEnchantments(itemStack).keySet(), enchantment2)) {
- itemStack.enchant(enchantment2, level);
- ++i;
- } else if (targets.size() == 1) {
- throw ERROR_INCOMPATIBLE.create(itemStack.getItem().getName(itemStack).getString());
+ // Folia start - region threading
+ entity.getBukkitEntity().taskScheduler.schedule((LivingEntity nmsEntity) -> {
+ try {
+ LivingEntity livingEntity = (LivingEntity)nmsEntity;
+ ItemStack itemStack = livingEntity.getMainHandItem();
+ if (!itemStack.isEmpty()) {
+ if (enchantment2.canEnchant(itemStack) && EnchantmentHelper.isEnchantmentCompatible(EnchantmentHelper.getEnchantments(itemStack).keySet(), enchantment2)) {
+ itemStack.enchant(enchantment2, level);
+ possibleSingleDisplayName.set(livingEntity.getDisplayName());
+ changed.incrementAndGet();
+ } else if (targets.size() == 1) {
+ throw ERROR_INCOMPATIBLE.create(itemStack.getItem().getName(itemStack).getString());
+ }
+ } else if (targets.size() == 1) {
+ throw ERROR_NO_ITEM.create(livingEntity.getName().getString());
+ }
+ } catch (final CommandSyntaxException exception) {
+ sendMessage(source, exception);
+ return; // don't send feedback twice
}
- } else if (targets.size() == 1) {
- throw ERROR_NO_ITEM.create(livingEntity.getName().getString());
- }
+ sendFeedback(source, enchantment2, level, possibleSingleDisplayName, count, changed);
+ }, ignored -> sendFeedback(source, enchantment2, level, possibleSingleDisplayName, count, changed), 1L);
} else if (targets.size() == 1) {
throw ERROR_NOT_LIVING_ENTITY.create(entity.getName().getString());
+ } else {
+ sendFeedback(source, enchantment2, level, possibleSingleDisplayName, count, changed);
+ // Folia end - region threading
}
}
-
+ return targets.size(); // Folia - region threading
+ }
+ }
+ // Folia start - region threading
+ private static void sendFeedback(final CommandSourceStack source, final Enchantment enchantment2, final int level, final java.util.concurrent.atomic.AtomicReference<Component> possibleSingleDisplayName, final java.util.concurrent.atomic.AtomicInteger count, final java.util.concurrent.atomic.AtomicInteger changed) {
+ if (count.decrementAndGet() == 0) {
+ final int i = changed.get();
if (i == 0) {
- throw ERROR_NOTHING_HAPPENED.create();
+ sendMessage(source, ERROR_NOTHING_HAPPENED.create());
} else {
- if (targets.size() == 1) {
+ if (i == 1) {
source.sendSuccess(() -> {
- return Component.translatable("commands.enchant.success.single", enchantment2.getFullname(level), targets.iterator().next().getDisplayName());
+ return Component.translatable("commands.enchant.success.single", enchantment2.getFullname(level), possibleSingleDisplayName.get());
}, true);
} else {
source.sendSuccess(() -> {
- return Component.translatable("commands.enchant.success.multiple", enchantment2.getFullname(level), targets.size());
+ return Component.translatable("commands.enchant.success.multiple", enchantment2.getFullname(level), i);
}, true);
}
-
- return i;
}
}
}
+ // Folia end - region threading
}
diff --git a/src/main/java/net/minecraft/server/commands/ExperienceCommand.java b/src/main/java/net/minecraft/server/commands/ExperienceCommand.java
index 24dfe8e9697331f0d7e67e90b9ca537d7ead575e..30b2dafda64a2e56d53d5d90c3087774a471f950 100644
--- a/src/main/java/net/minecraft/server/commands/ExperienceCommand.java
+++ b/src/main/java/net/minecraft/server/commands/ExperienceCommand.java
@@ -46,16 +46,20 @@ public class ExperienceCommand {
}
private static int queryExperience(CommandSourceStack source, ServerPlayer player, ExperienceCommand.Type component) {
+ player.getBukkitEntity().taskScheduler.schedule((ServerPlayer p) -> { // Folia - region threading
int i = component.query.applyAsInt(player);
source.sendSuccess(() -> {
return Component.translatable("commands.experience.query." + component.name, player.getDisplayName(), i);
}, false);
- return i;
+ }, null, 1L); // Folia - region threading
+ return 0;
}
private static int addExperience(CommandSourceStack source, Collection<? extends ServerPlayer> targets, int amount, ExperienceCommand.Type component) {
for(ServerPlayer serverPlayer : targets) {
+ serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { // Folia - region threading
component.add.accept(serverPlayer, amount);
+ }, null, 1L); // Folia - region threading
}
if (targets.size() == 1) {
@@ -75,9 +79,12 @@ public class ExperienceCommand {
int i = 0;
for(ServerPlayer serverPlayer : targets) {
+ ++i; // Folia - region threading
+ serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { // Folia - region threading
if (component.set.test(serverPlayer, amount)) {
- ++i;
+ // Folia - region threading
}
+ }, null, 1L); // Folia - region threading
}
if (i == 0) {
diff --git a/src/main/java/net/minecraft/server/commands/FillBiomeCommand.java b/src/main/java/net/minecraft/server/commands/FillBiomeCommand.java
index b920f1c8f48aa8e542028acc125293d603aee7c0..785f9be8e9c66c340e5f8f46386fddfd112685d6 100644
--- a/src/main/java/net/minecraft/server/commands/FillBiomeCommand.java
+++ b/src/main/java/net/minecraft/server/commands/FillBiomeCommand.java
@@ -80,6 +80,16 @@ public class FillBiomeCommand {
});
}
+ // Folia start - region threading
+ private static void sendMessage(Consumer<Supplier<Component>> src, Supplier<Either<Integer, CommandSyntaxException>> supplier) {
+ Either<Integer, CommandSyntaxException> either = supplier.get();
+ CommandSyntaxException ex = either == null ? null : either.right().orElse(null);
+ if (ex != null) {
+ src.accept(() -> (Component)ex.getRawMessage());
+ }
+ }
+ // Folia end - region threading
+
public static Either<Integer, CommandSyntaxException> fill(ServerLevel world, BlockPos from, BlockPos to, Holder<Biome> biome, Predicate<Holder<Biome>> filter, Consumer<Supplier<Component>> feedbackConsumer) {
BlockPos blockPos = quantize(from);
BlockPos blockPos2 = quantize(to);
@@ -89,8 +99,18 @@ public class FillBiomeCommand {
if (i > j) {
return Either.right(ERROR_VOLUME_TOO_LARGE.create(j, i));
} else {
+ // Folia start - region threading
+ int buffer = 0; // no buffer, we do not touch neighbours
+ world.loadChunksAsync(
+ (boundingBox.minX() - buffer) >> 4,
+ (boundingBox.maxX() + buffer) >> 4,
+ (boundingBox.minZ() - buffer) >> 4,
+ (boundingBox.maxZ() + buffer) >> 4,
+ net.minecraft.world.level.chunk.ChunkStatus.FULL,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL,
+ (chunks) -> {
+ sendMessage(feedbackConsumer, () -> {
List<ChunkAccess> list = new ArrayList<>();
-
for(int k = SectionPos.blockToSectionCoord(boundingBox.minZ()); k <= SectionPos.blockToSectionCoord(boundingBox.maxZ()); ++k) {
for(int l = SectionPos.blockToSectionCoord(boundingBox.minX()); l <= SectionPos.blockToSectionCoord(boundingBox.maxX()); ++l) {
ChunkAccess chunkAccess = world.getChunk(l, k, ChunkStatus.FULL, false);
@@ -114,6 +134,11 @@ public class FillBiomeCommand {
return Component.translatable("commands.fillbiome.success.count", mutableInt.getValue(), boundingBox.minX(), boundingBox.minY(), boundingBox.minZ(), boundingBox.maxX(), boundingBox.maxY(), boundingBox.maxZ());
});
return Either.left(mutableInt.getValue());
+ // Folia start - region threading
+ }); // sendMessage
+ }); // loadChunksASync
+ return Either.left(Integer.valueOf(0));
+ // Folia end - region threading
}
}
diff --git a/src/main/java/net/minecraft/server/commands/FillCommand.java b/src/main/java/net/minecraft/server/commands/FillCommand.java
index 287e0b193060829174d9ac7d127c3034c5eee1e1..353dd419f57e923672e065c0b7b27546e12ca7a9 100644
--- a/src/main/java/net/minecraft/server/commands/FillCommand.java
+++ b/src/main/java/net/minecraft/server/commands/FillCommand.java
@@ -57,6 +57,12 @@ public class FillCommand {
}))))));
}
+ // Folia start - region threading
+ private static void sendMessage(CommandSourceStack src, CommandSyntaxException ex) {
+ src.sendFailure((Component)ex.getRawMessage());
+ }
+ // Folia end - region threading
+
private static int fillBlocks(CommandSourceStack source, BoundingBox range, BlockInput block, FillCommand.Mode mode, @Nullable Predicate<BlockInWorld> filter) throws CommandSyntaxException {
int i = range.getXSpan() * range.getYSpan() * range.getZSpan();
int j = source.getLevel().getGameRules().getInt(GameRules.RULE_COMMAND_MODIFICATION_BLOCK_LIMIT);
@@ -65,6 +71,18 @@ public class FillCommand {
} else {
List<BlockPos> list = Lists.newArrayList();
ServerLevel serverLevel = source.getLevel();
+ // Folia start - region threading
+ int buffer = 32;
+ // physics may spill into neighbour chunks, so use a buffer
+ serverLevel.loadChunksAsync(
+ (range.minX() - buffer) >> 4,
+ (range.maxX() + buffer) >> 4,
+ (range.minZ() - buffer) >> 4,
+ (range.maxZ() + buffer) >> 4,
+ net.minecraft.world.level.chunk.ChunkStatus.FULL,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL,
+ (chunks) -> {
+ try { // Folia end - region threading
int k = 0;
for(BlockPos blockPos : BlockPos.betweenClosed(range.minX(), range.minY(), range.minZ(), range.maxX(), range.maxY(), range.maxZ())) {
@@ -93,8 +111,13 @@ public class FillCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.fill.success", l);
}, true);
- return k;
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }); return 0; // Folia end - region threading
}
}
diff --git a/src/main/java/net/minecraft/server/commands/ForceLoadCommand.java b/src/main/java/net/minecraft/server/commands/ForceLoadCommand.java
index cbcacceb69dd032b70c39075c59cd8d50a77ea17..8ccbb9584bb9aeb8507ba35fd1ce22da936788b5 100644
--- a/src/main/java/net/minecraft/server/commands/ForceLoadCommand.java
+++ b/src/main/java/net/minecraft/server/commands/ForceLoadCommand.java
@@ -49,7 +49,17 @@ public class ForceLoadCommand {
}))));
}
+ // Folia start - region threading
+ private static void sendMessage(CommandSourceStack src, CommandSyntaxException ex) {
+ src.sendFailure((Component)ex.getRawMessage());
+ }
+ // Folia end - region threading
+
private static int queryForceLoad(CommandSourceStack source, ColumnPos pos) throws CommandSyntaxException {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ try {
+ // Folia end - region threading
ChunkPos chunkPos = pos.toChunkPos();
ServerLevel serverLevel = source.getLevel();
ResourceKey<Level> resourceKey = serverLevel.dimension();
@@ -58,14 +68,22 @@ public class ForceLoadCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.forceload.query.success", Component.translationArg(chunkPos), Component.translationArg(resourceKey.location()));
}, false);
- return 1;
+ return; // Folia - region threading
} else {
throw ERROR_NOT_TICKING.create(chunkPos, resourceKey.location());
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ });
+ return 1;
+ // Folia end - region threading
}
private static int listForceLoad(CommandSourceStack source) {
ServerLevel serverLevel = source.getLevel();
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
ResourceKey<Level> resourceKey = serverLevel.dimension();
LongSet longSet = serverLevel.getForcedChunks();
int i = longSet.size();
@@ -83,13 +101,15 @@ public class ForceLoadCommand {
} else {
source.sendFailure(Component.translatable("commands.forceload.added.none", Component.translationArg(resourceKey.location())));
}
+ }); // Folia - region threading
- return i;
+ return 1; // Folia - region threading
}
private static int removeAll(CommandSourceStack source) {
ServerLevel serverLevel = source.getLevel();
ResourceKey<Level> resourceKey = serverLevel.dimension();
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
LongSet longSet = serverLevel.getForcedChunks();
longSet.forEach((chunkPos) -> {
serverLevel.setChunkForced(ChunkPos.getX(chunkPos), ChunkPos.getZ(chunkPos), false);
@@ -97,10 +117,15 @@ public class ForceLoadCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.forceload.removed.all", Component.translationArg(resourceKey.location()));
}, true);
+ }); // Folia - region threading
return 0;
}
private static int changeForceLoad(CommandSourceStack source, ColumnPos from, ColumnPos to, boolean forceLoaded) throws CommandSyntaxException {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ try {
+ // Folia end - region threading
int i = Math.min(from.x(), to.x());
int j = Math.min(from.z(), to.z());
int k = Math.max(from.x(), to.x());
@@ -147,11 +172,18 @@ public class ForceLoadCommand {
}, true);
}
- return r;
+ return; // Folia - region threading
}
}
} else {
throw BlockPosArgument.ERROR_OUT_OF_WORLD.create();
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ });
+ return 1;
+ // Folia end - region threading
}
}
diff --git a/src/main/java/net/minecraft/server/commands/GameModeCommand.java b/src/main/java/net/minecraft/server/commands/GameModeCommand.java
index f7c9127346261d83413ca03a1cdaa84975ae17d6..a47b92b63c40666ce240514905d2a3b254a532bb 100644
--- a/src/main/java/net/minecraft/server/commands/GameModeCommand.java
+++ b/src/main/java/net/minecraft/server/commands/GameModeCommand.java
@@ -48,15 +48,18 @@ public class GameModeCommand {
int i = 0;
for(ServerPlayer serverPlayer : targets) {
+ serverPlayer.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> { // Folia - region threading
// Paper start - Expand PlayerGameModeChangeEvent
org.bukkit.event.player.PlayerGameModeChangeEvent event = serverPlayer.setGameMode(gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.COMMAND, net.kyori.adventure.text.Component.empty());
if (event != null && !event.isCancelled()) {
logGamemodeChange(context.getSource(), serverPlayer, gameMode);
- ++i;
+ // Folia - region threading
} else if (event != null && event.cancelMessage() != null) {
context.getSource().sendSuccess(() -> io.papermc.paper.adventure.PaperAdventure.asVanilla(event.cancelMessage()), true);
// Paper end - Expand PlayerGameModeChangeEvent
}
+ }, null, 1L); // Folia - region threading
+ ++i; // Folia - region threading
}
return i;
diff --git a/src/main/java/net/minecraft/server/commands/GiveCommand.java b/src/main/java/net/minecraft/server/commands/GiveCommand.java
index 1b459a8ee8a6bc039e742d65796bc76660a1c765..4efd0b529ee0431fb4dc76a950ab8f98856f622b 100644
--- a/src/main/java/net/minecraft/server/commands/GiveCommand.java
+++ b/src/main/java/net/minecraft/server/commands/GiveCommand.java
@@ -56,6 +56,7 @@ public class GiveCommand {
l -= i1;
ItemStack itemstack1 = item.createItemStack(i1, false);
+ entityplayer.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> { // Folia - region threading
boolean flag = entityplayer.getInventory().add(itemstack1);
ItemEntity entityitem;
@@ -75,6 +76,7 @@ public class GiveCommand {
entityitem.setTarget(entityplayer.getUUID());
}
}
+ }, null, 1L); // Folia - region threading
}
}
diff --git a/src/main/java/net/minecraft/server/commands/KillCommand.java b/src/main/java/net/minecraft/server/commands/KillCommand.java
index 0026da50714adca207b1d3970ee808c9c09d4443..ac694041183e49ab44c5a27f3aa57ad1638298fd 100644
--- a/src/main/java/net/minecraft/server/commands/KillCommand.java
+++ b/src/main/java/net/minecraft/server/commands/KillCommand.java
@@ -22,7 +22,9 @@ public class KillCommand {
private static int kill(CommandSourceStack source, Collection<? extends Entity> targets) {
for(Entity entity : targets) {
- entity.kill();
+ entity.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> { // Folia - region threading
+ nmsEntity.kill(); // Folia - region threading
+ }, null, 1L); // Folia - region threading
}
if (targets.size() == 1) {
diff --git a/src/main/java/net/minecraft/server/commands/PlaceCommand.java b/src/main/java/net/minecraft/server/commands/PlaceCommand.java
index a78ac2c2a536abb0a77371c3d8a9ce0dc5084c38..4f0c962231562c13be8980f98a7d801ab292ab38 100644
--- a/src/main/java/net/minecraft/server/commands/PlaceCommand.java
+++ b/src/main/java/net/minecraft/server/commands/PlaceCommand.java
@@ -88,12 +88,25 @@ public class PlaceCommand {
})))))))));
}
+ // Folia start - region threading
+ private static void sendMessage(CommandSourceStack src, CommandSyntaxException ex) {
+ src.sendFailure((Component)ex.getRawMessage());
+ }
+ // Folia end - region threading
+
public static int placeFeature(CommandSourceStack source, Holder.Reference<ConfiguredFeature<?, ?>> feature, BlockPos pos) throws CommandSyntaxException {
ServerLevel worldserver = source.getLevel();
ConfiguredFeature<?, ?> worldgenfeatureconfigured = (ConfiguredFeature) feature.value();
ChunkPos chunkcoordintpair = new ChunkPos(pos);
PlaceCommand.checkLoaded(worldserver, new ChunkPos(chunkcoordintpair.x - 1, chunkcoordintpair.z - 1), new ChunkPos(chunkcoordintpair.x + 1, chunkcoordintpair.z + 1));
+ // Folia start - region threading
+ worldserver.loadChunksAsync(
+ pos, 16, net.minecraft.world.level.chunk.ChunkStatus.FULL,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL,
+ (chunks) -> {
+ try {
+ // Folia end - region threading
if (!worldgenfeatureconfigured.place(worldserver, worldserver.getChunkSource().getGenerator(), worldserver.getRandom(), pos)) {
throw PlaceCommand.ERROR_FEATURE_FAILED.create();
} else {
@@ -102,27 +115,57 @@ public class PlaceCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.place.feature.success", s, pos.getX(), pos.getY(), pos.getZ());
}, true);
- return 1;
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }
+ );
+ return 1;
+ // Folia end - region threading
}
public static int placeJigsaw(CommandSourceStack source, Holder<StructureTemplatePool> structurePool, ResourceLocation id, int maxDepth, BlockPos pos) throws CommandSyntaxException {
ServerLevel worldserver = source.getLevel();
+ // Folia start - region threading
+ worldserver.loadChunksAsync(
+ pos, 16, net.minecraft.world.level.chunk.ChunkStatus.FULL,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL,
+ (chunks) -> {
+ try {
+ // Folia end - region threading
if (!JigsawPlacement.generateJigsaw(worldserver, structurePool, id, maxDepth, pos, false)) {
throw PlaceCommand.ERROR_JIGSAW_FAILED.create();
} else {
source.sendSuccess(() -> {
return Component.translatable("commands.place.jigsaw.success", pos.getX(), pos.getY(), pos.getZ());
}, true);
- return 1;
+ return; // Folia start - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }
+ );
+ return 1;
+ // Folia end - region threading
}
public static int placeStructure(CommandSourceStack source, Holder.Reference<Structure> structure, BlockPos pos) throws CommandSyntaxException {
ServerLevel worldserver = source.getLevel();
Structure structure1 = (Structure) structure.value();
ChunkGenerator chunkgenerator = worldserver.getChunkSource().getGenerator();
+ // Folia start - region threading
+ worldserver.loadChunksAsync(
+ pos, 16, net.minecraft.world.level.chunk.ChunkStatus.FULL,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL,
+ (chunks) -> {
+ try {
+ // Folia end - region threading
StructureStart structurestart = structure1.generate(source.registryAccess(), chunkgenerator, chunkgenerator.getBiomeSource(), worldserver.getChunkSource().randomState(), worldserver.getStructureManager(), worldserver.getSeed(), new ChunkPos(pos), 0, worldserver, (holder) -> {
return true;
});
@@ -144,12 +187,27 @@ public class PlaceCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.place.structure.success", s, pos.getX(), pos.getY(), pos.getZ());
}, true);
- return 1;
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }
+ );
+ return 1;
+ // Folia end - region threading
}
public static int placeTemplate(CommandSourceStack source, ResourceLocation id, BlockPos pos, Rotation rotation, Mirror mirror, float integrity, int seed) throws CommandSyntaxException {
ServerLevel worldserver = source.getLevel();
+ // Folia start - region threading
+ worldserver.loadChunksAsync(
+ pos, 16, net.minecraft.world.level.chunk.ChunkStatus.FULL,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL,
+ (chunks) -> {
+ try {
+ // Folia end - region threading
StructureTemplateManager structuretemplatemanager = worldserver.getStructureManager();
Optional optional;
@@ -180,9 +238,17 @@ public class PlaceCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.place.template.success", Component.translationArg(id), pos.getX(), pos.getY(), pos.getZ());
}, true);
- return 1;
+ return; // Folia - region threading
}
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ }
+ );
+ return 1;
+ // Folia end - region threading
}
private static void checkLoaded(ServerLevel world, ChunkPos pos1, ChunkPos pos2) throws CommandSyntaxException {
diff --git a/src/main/java/net/minecraft/server/commands/RecipeCommand.java b/src/main/java/net/minecraft/server/commands/RecipeCommand.java
index c5c690b044ff799d9909fce6856b3bf133f6ef04..bf245691e3b264cbec4428f51b2ec8e8ddbb5521 100644
--- a/src/main/java/net/minecraft/server/commands/RecipeCommand.java
+++ b/src/main/java/net/minecraft/server/commands/RecipeCommand.java
@@ -36,7 +36,12 @@ public class RecipeCommand {
int i = 0;
for(ServerPlayer serverPlayer : targets) {
- i += serverPlayer.awardRecipes(recipes);
+ // Folia start - region threading
+ ++i;
+ serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> {
+ serverPlayer.awardRecipes(recipes);
+ }, null, 1L);
+ // Folia end - region threading
}
if (i == 0) {
@@ -60,7 +65,12 @@ public class RecipeCommand {
int i = 0;
for(ServerPlayer serverPlayer : targets) {
- i += serverPlayer.resetRecipes(recipes);
+ // Folia start - region threading
+ ++i;
+ serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> {
+ serverPlayer.resetRecipes(recipes);
+ }, null, 1L);
+ // Folia end - region threading
}
if (i == 0) {
diff --git a/src/main/java/net/minecraft/server/commands/SetBlockCommand.java b/src/main/java/net/minecraft/server/commands/SetBlockCommand.java
index 342d7c12a26c6a211aae3db03ec3029c68ef650c..eda5bd9e1e1f1e1d41295874b239f503e4474cb0 100644
--- a/src/main/java/net/minecraft/server/commands/SetBlockCommand.java
+++ b/src/main/java/net/minecraft/server/commands/SetBlockCommand.java
@@ -38,31 +38,47 @@ public class SetBlockCommand {
})))));
}
+ // Folia start - region threading
+ private static void sendMessage(CommandSourceStack src, CommandSyntaxException ex) {
+ src.sendFailure((Component)ex.getRawMessage());
+ }
+ // Folia end - region threading
+
private static int setBlock(CommandSourceStack source, BlockPos pos, BlockInput block, SetBlockCommand.Mode mode, @Nullable Predicate<BlockInWorld> condition) throws CommandSyntaxException {
ServerLevel serverLevel = source.getLevel();
- if (condition != null && !condition.test(new BlockInWorld(serverLevel, pos, true))) {
- throw ERROR_FAILED.create();
- } else {
- boolean bl;
- if (mode == SetBlockCommand.Mode.DESTROY) {
- serverLevel.destroyBlock(pos, true);
- bl = !block.getState().isAir() || !serverLevel.getBlockState(pos).isAir();
- } else {
- BlockEntity blockEntity = serverLevel.getBlockEntity(pos);
- Clearable.tryClear(blockEntity);
- bl = true;
- }
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ serverLevel, pos.getX() >> 4, pos.getZ() >> 4, () -> {
+ try {
+ if (condition != null && !condition.test(new BlockInWorld(serverLevel, pos, true))) {
+ throw ERROR_FAILED.create();
+ } else {
+ boolean bl;
+ if (mode == SetBlockCommand.Mode.DESTROY) {
+ serverLevel.destroyBlock(pos, true);
+ bl = !block.getState().isAir() || !serverLevel.getBlockState(pos).isAir();
+ } else {
+ BlockEntity blockEntity = serverLevel.getBlockEntity(pos);
+ Clearable.tryClear(blockEntity);
+ bl = true;
+ }
- if (bl && !block.place(serverLevel, pos, 2)) {
- throw ERROR_FAILED.create();
- } else {
- serverLevel.blockUpdated(pos, block.getState().getBlock());
- source.sendSuccess(() -> {
- return Component.translatable("commands.setblock.success", pos.getX(), pos.getY(), pos.getZ());
- }, true);
- return 1;
+ if (bl && !block.place(serverLevel, pos, 2)) {
+ throw ERROR_FAILED.create();
+ } else {
+ serverLevel.blockUpdated(pos, block.getState().getBlock());
+ source.sendSuccess(() -> {
+ return Component.translatable("commands.setblock.success", pos.getX(), pos.getY(), pos.getZ());
+ }, true);
+ }
+ }
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
}
- }
+ );
+ return 1;
+ // Folia end - region threading
}
public interface Filter {
diff --git a/src/main/java/net/minecraft/server/commands/SetSpawnCommand.java b/src/main/java/net/minecraft/server/commands/SetSpawnCommand.java
index 15db9368227dbc29d07d74e85bd126b345b526b6..161ae9c5f9ff0e8cdf3bb3c6bb1d068607f9c2ad 100644
--- a/src/main/java/net/minecraft/server/commands/SetSpawnCommand.java
+++ b/src/main/java/net/minecraft/server/commands/SetSpawnCommand.java
@@ -43,7 +43,11 @@ public class SetSpawnCommand {
ServerPlayer entityplayer = (ServerPlayer) iterator.next();
// Paper start - Add PlayerSetSpawnEvent
- if (entityplayer.setRespawnPosition(resourcekey, pos, angle, true, false, com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.COMMAND)) {
+ // Folia start - region threading
+ entityplayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> {
+ player.setRespawnPosition(resourcekey, pos, angle, true, false, com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.COMMAND);
+ }, null, 1L);
+ if (true) { // Folia end - region threading
actualTargets.add(entityplayer);
}
// Paper end - Add PlayerSetSpawnEvent
diff --git a/src/main/java/net/minecraft/server/commands/SummonCommand.java b/src/main/java/net/minecraft/server/commands/SummonCommand.java
index e2b44b8ddb8afc6e1f7dddadb434c2268f284809..c2980f5bd826e3fb91fd19b3b0889034f3389976 100644
--- a/src/main/java/net/minecraft/server/commands/SummonCommand.java
+++ b/src/main/java/net/minecraft/server/commands/SummonCommand.java
@@ -64,11 +64,18 @@ public class SummonCommand {
if (entity == null) {
throw SummonCommand.ERROR_FAILED.create();
} else {
- if (initialize && entity instanceof Mob) {
- ((Mob) entity).finalizeSpawn(source.getLevel(), source.getLevel().getCurrentDifficultyAt(entity.blockPosition()), MobSpawnType.COMMAND, (SpawnGroupData) null, (CompoundTag) null);
- }
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ worldserver, entity.chunkPosition().x, entity.chunkPosition().z, () -> {
+ if (initialize && entity instanceof Mob) {
+ ((Mob) entity).finalizeSpawn(source.getLevel(), source.getLevel().getCurrentDifficultyAt(entity.blockPosition()), MobSpawnType.COMMAND, (SpawnGroupData) null, (CompoundTag) null);
+ }
+ worldserver.tryAddFreshEntityWithPassengers(entity, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.COMMAND);
+ }
+ );
+ // Folia end - region threading
- if (!worldserver.tryAddFreshEntityWithPassengers(entity, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.COMMAND)) { // CraftBukkit - pass a spawn reason of "COMMAND"
+ if (false) { // CraftBukkit - pass a spawn reason of "COMMAND" // Folia - region threading
throw SummonCommand.ERROR_DUPLICATE_UUID.create();
} else {
return entity;
diff --git a/src/main/java/net/minecraft/server/commands/TeleportCommand.java b/src/main/java/net/minecraft/server/commands/TeleportCommand.java
index 2ddd033e1c3a2e5c8950b93c838491923803ccce..2450885ef59ad32fbfadfe03f95f9ba24b8a6886 100644
--- a/src/main/java/net/minecraft/server/commands/TeleportCommand.java
+++ b/src/main/java/net/minecraft/server/commands/TeleportCommand.java
@@ -77,7 +77,7 @@ public class TeleportCommand {
while (iterator.hasNext()) {
Entity entity1 = (Entity) iterator.next();
- TeleportCommand.performTeleport(source, entity1, (ServerLevel) destination.level(), destination.getX(), destination.getY(), destination.getZ(), EnumSet.noneOf(RelativeMovement.class), destination.getYRot(), destination.getXRot(), (TeleportCommand.LookAt) null);
+ io.papermc.paper.threadedregions.TeleportUtils.teleport(entity1, false, destination, Float.valueOf(destination.getYRot()), Float.valueOf(destination.getXRot()), Entity.TELEPORT_FLAG_LOAD_CHUNK, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause.COMMAND, null); // Folia - region threading
}
if (targets.size() == 1) {
@@ -161,6 +161,24 @@ public class TeleportCommand {
float f2 = Mth.wrapDegrees(yaw);
float f3 = Mth.wrapDegrees(pitch);
+ // Folia start - region threading
+ if (true) {
+ ServerLevel worldFinal = world;
+ Vec3 posFinal = new Vec3(x, y, z);
+ Float yawFinal = Float.valueOf(f2);
+ Float pitchFinal = Float.valueOf(f3);
+ target.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> {
+ nmsEntity.unRide();
+ nmsEntity.teleportAsync(
+ worldFinal, posFinal, yawFinal, pitchFinal, Vec3.ZERO,
+ org.bukkit.event.player.PlayerTeleportEvent.TeleportCause.COMMAND,
+ Entity.TELEPORT_FLAG_LOAD_CHUNK,
+ null
+ );
+ }, null, 1L);
+ return;
+ }
+ // Folia end - region threading
// CraftBukkit start - Teleport event
boolean result;
if (target instanceof ServerPlayer player) {
diff --git a/src/main/java/net/minecraft/server/commands/TimeCommand.java b/src/main/java/net/minecraft/server/commands/TimeCommand.java
index 44fcd43a466fb47d31ab05e44bafbef3c4cae63f..2989750a75b3dd244cf8f9ca78769308f982374b 100644
--- a/src/main/java/net/minecraft/server/commands/TimeCommand.java
+++ b/src/main/java/net/minecraft/server/commands/TimeCommand.java
@@ -58,6 +58,7 @@ public class TimeCommand {
while (iterator.hasNext()) {
ServerLevel worldserver = (ServerLevel) iterator.next();
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
// CraftBukkit start
TimeSkipEvent event = new TimeSkipEvent(worldserver.getWorld(), TimeSkipEvent.SkipReason.COMMAND, time - worldserver.getDayTime());
Bukkit.getPluginManager().callEvent(event);
@@ -65,6 +66,7 @@ public class TimeCommand {
worldserver.setDayTime((long) worldserver.getDayTime() + event.getSkipAmount());
}
// CraftBukkit end
+ }); // Folia - region threading
}
source.sendSuccess(() -> {
@@ -79,6 +81,7 @@ public class TimeCommand {
while (iterator.hasNext()) {
ServerLevel worldserver = (ServerLevel) iterator.next();
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
// CraftBukkit start
TimeSkipEvent event = new TimeSkipEvent(worldserver.getWorld(), TimeSkipEvent.SkipReason.COMMAND, time);
Bukkit.getPluginManager().callEvent(event);
@@ -86,13 +89,16 @@ public class TimeCommand {
worldserver.setDayTime(worldserver.getDayTime() + event.getSkipAmount());
}
// CraftBukkit end
+ }); // Folia - region threading
}
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
int j = TimeCommand.getDayTime(source.getLevel());
source.sendSuccess(() -> {
return Component.translatable("commands.time.set", j);
}, true);
- return j;
+ }); // Folia - region threading
+ return 0; // Folia - region threading
}
}
diff --git a/src/main/java/net/minecraft/server/commands/WeatherCommand.java b/src/main/java/net/minecraft/server/commands/WeatherCommand.java
index 8f5714221bc32fb2c9201cbc8a0a35610977f574..c78a7e5e5c6b012756e6a1e50159dd970243cd5e 100644
--- a/src/main/java/net/minecraft/server/commands/WeatherCommand.java
+++ b/src/main/java/net/minecraft/server/commands/WeatherCommand.java
@@ -35,26 +35,32 @@ public class WeatherCommand {
}
private static int setClear(CommandSourceStack source, int duration) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
source.getLevel().setWeatherParameters(getDuration(source, duration, ServerLevel.RAIN_DELAY), 0, false, false);
source.sendSuccess(() -> {
return Component.translatable("commands.weather.set.clear");
}, true);
+ }); // Folia - region threading
return duration;
}
private static int setRain(CommandSourceStack source, int duration) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
source.getLevel().setWeatherParameters(0, getDuration(source, duration, ServerLevel.RAIN_DURATION), true, false);
source.sendSuccess(() -> {
return Component.translatable("commands.weather.set.rain");
}, true);
+ }); // Folia - region threading
return duration;
}
private static int setThunder(CommandSourceStack source, int duration) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
source.getLevel().setWeatherParameters(0, getDuration(source, duration, ServerLevel.THUNDER_DURATION), true, true);
source.sendSuccess(() -> {
return Component.translatable("commands.weather.set.thunder");
}, true);
+ }); // Folia - region threading
return duration;
}
}
diff --git a/src/main/java/net/minecraft/server/commands/WorldBorderCommand.java b/src/main/java/net/minecraft/server/commands/WorldBorderCommand.java
index 812f2adc6fc20aa126e629284fe594a923b24540..0a5e6961fb37e9a53cd39b1bd233e0204986b244 100644
--- a/src/main/java/net/minecraft/server/commands/WorldBorderCommand.java
+++ b/src/main/java/net/minecraft/server/commands/WorldBorderCommand.java
@@ -56,7 +56,17 @@ public class WorldBorderCommand {
})))));
}
+ // Folia start - region threading
+ private static void sendMessage(CommandSourceStack src, CommandSyntaxException ex) {
+ src.sendFailure((Component)ex.getRawMessage());
+ }
+ // Folia end - region threading
+
private static int setDamageBuffer(CommandSourceStack source, float distance) throws CommandSyntaxException {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ try {
+ // Folia end - region threading
WorldBorder worldborder = source.getLevel().getWorldBorder(); // CraftBukkit
if (worldborder.getDamageSafeZone() == (double) distance) {
@@ -66,11 +76,22 @@ public class WorldBorderCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.worldborder.damage.buffer.success", String.format(Locale.ROOT, "%.2f", distance));
}, true);
- return (int) distance;
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ });
+ return 1;
+ // Folia end - region threading
}
private static int setDamageAmount(CommandSourceStack source, float damagePerBlock) throws CommandSyntaxException {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ try {
+ // Folia end - region threading
WorldBorder worldborder = source.getLevel().getWorldBorder(); // CraftBukkit
if (worldborder.getDamagePerBlock() == (double) damagePerBlock) {
@@ -80,11 +101,22 @@ public class WorldBorderCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.worldborder.damage.amount.success", String.format(Locale.ROOT, "%.2f", damagePerBlock));
}, true);
- return (int) damagePerBlock;
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ });
+ return 1;
+ // Folia end - region threading
}
private static int setWarningTime(CommandSourceStack source, int time) throws CommandSyntaxException {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ try {
+ // Folia end - region threading
WorldBorder worldborder = source.getLevel().getWorldBorder(); // CraftBukkit
if (worldborder.getWarningTime() == time) {
@@ -94,11 +126,22 @@ public class WorldBorderCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.worldborder.warning.time.success", time);
}, true);
- return time;
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ });
+ return 1;
+ // Folia end - region threading
}
private static int setWarningDistance(CommandSourceStack source, int distance) throws CommandSyntaxException {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ try {
+ // Folia end - region threading
WorldBorder worldborder = source.getLevel().getWorldBorder(); // CraftBukkit
if (worldborder.getWarningBlocks() == distance) {
@@ -108,20 +151,38 @@ public class WorldBorderCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.worldborder.warning.distance.success", distance);
}, true);
- return distance;
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ });
+ return 1;
+ // Folia end - region threading
}
private static int getSize(CommandSourceStack source) {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ // Folia end - region threading
double d0 = source.getLevel().getWorldBorder().getSize(); // CraftBukkit
source.sendSuccess(() -> {
return Component.translatable("commands.worldborder.get", String.format(Locale.ROOT, "%.0f", d0));
}, false);
- return Mth.floor(d0 + 0.5D);
+ return; // Folia - region threading
+ // Folia start - region threading
+ });
+ return 1;
+ // Folia end - region threading
}
private static int setCenter(CommandSourceStack source, Vec2 pos) throws CommandSyntaxException {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ try {
+ // Folia end - region threading
WorldBorder worldborder = source.getLevel().getWorldBorder(); // CraftBukkit
if (worldborder.getCenterX() == (double) pos.x && worldborder.getCenterZ() == (double) pos.y) {
@@ -131,13 +192,24 @@ public class WorldBorderCommand {
source.sendSuccess(() -> {
return Component.translatable("commands.worldborder.center.success", String.format(Locale.ROOT, "%.2f", pos.x), String.format(Locale.ROOT, "%.2f", pos.y));
}, true);
- return 0;
+ return; // Folia - region threading
} else {
throw WorldBorderCommand.ERROR_TOO_FAR_OUT.create();
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ });
+ return 1;
+ // Folia end - region threading
}
private static int setSize(CommandSourceStack source, double distance, long time) throws CommandSyntaxException {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ try {
+ // Folia end - region threading
WorldBorder worldborder = source.getLevel().getWorldBorder(); // CraftBukkit
double d1 = worldborder.getSize();
@@ -166,7 +238,14 @@ public class WorldBorderCommand {
}, true);
}
- return (int) (distance - d1);
+ return; // Folia - region threading
}
+ // Folia start - region threading
+ } catch (CommandSyntaxException ex) {
+ sendMessage(source, ex);
+ }
+ });
+ return 1;
+ // Folia end - region threading
}
}
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 68d268b6fff126e8645b6deec3fb549ea2286b77..6b3242117d62175de462d04e4d178b49ae2521e9 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -443,9 +443,9 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
}
@Override
- public void tickChildren(BooleanSupplier shouldKeepTicking) {
- super.tickChildren(shouldKeepTicking);
- this.handleConsoleInputs();
+ public void tickChildren(BooleanSupplier shouldKeepTicking, io.papermc.paper.threadedregions.TickRegions.TickRegionData region) { // Folia - region threading
+ super.tickChildren(shouldKeepTicking, region); // Folia - region threading
+ if (region == null) this.handleConsoleInputs(); // Folia - region threading
}
@Override
@@ -767,7 +767,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
Waitable[] waitableArray = new Waitable[1]; // Paper
rconConsoleSource.prepareForCommand();
final java.util.concurrent.atomic.AtomicReference<String> command = new java.util.concurrent.atomic.AtomicReference<>(s); // Paper
- this.executeBlocking(() -> {
+ Runnable sync = () -> { // Folia - region threading
CommandSourceStack wrapper = rconConsoleSource.createCommandSourceStack();
RemoteServerCommandEvent event = new RemoteServerCommandEvent(rconConsoleSource.getBukkitSender(wrapper), s);
this.server.getPluginManager().callEvent(event);
@@ -791,7 +791,16 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
ConsoleInput serverCommand = new ConsoleInput(event.getCommand(), wrapper);
this.server.dispatchServerCommand(event.getSender(), serverCommand);
} // Paper
- });
+ }; // Folia start - region threading
+ java.util.concurrent.CompletableFuture
+ .runAsync(sync, io.papermc.paper.threadedregions.RegionizedServer.getInstance()::addTask)
+ .whenComplete((Void r, Throwable t) -> {
+ if (t != null) {
+ LOGGER.error("Error handling command for rcon: " + s, t);
+ }
+ })
+ .join();
+ // Folia end - region threading
// Paper start
if (waitableArray[0] != null) {
//noinspection unchecked
diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index 627a88ec8c3b215b19b55a6d461c8754b4fcd1e8..4e8b325cad5ef1a59ac3ba725d3de6e43d0fd5d6 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -81,7 +81,7 @@ public class ChunkHolder {
public void onChunkAdd() {
// Paper start - optimise chunk tick iteration
if (this.needsBroadcastChanges()) {
- this.chunkMap.needsChangeBroadcasting.add(this);
+ this.chunkMap.level.needsChangeBroadcasting.add(this); // Folia - region threading
}
// Paper end - optimise chunk tick iteration
}
@@ -89,7 +89,7 @@ public class ChunkHolder {
public void onChunkRemove() {
// Paper start - optimise chunk tick iteration
if (this.needsBroadcastChanges()) {
- this.chunkMap.needsChangeBroadcasting.remove(this);
+ this.chunkMap.level.needsChangeBroadcasting.remove(this); // Folia - region threading
}
// Paper end - optimise chunk tick iteration
}
@@ -284,7 +284,7 @@ public class ChunkHolder {
private void addToBroadcastMap() {
io.papermc.paper.util.TickThread.ensureTickThread(this.chunkMap.level, this.pos, "Asynchronous ChunkHolder update is not allowed");
- this.chunkMap.needsChangeBroadcasting.add(this);
+ this.chunkMap.level.needsChangeBroadcasting.add(this); // Folia - region threading
}
// Paper end - optimise chunk tick iteration
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 12109446fc76a39faee6cda042ca48b3fd3809f4..d45f4efd66380ace44fb0aa3f8a2569dc702e1aa 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -137,77 +137,41 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
private final AtomicInteger tickingGenerated;
public final StructureTemplateManager structureTemplateManager; // Paper - rewrite chunk system
private final String storageName;
- private final PlayerMap playerMap;
- public final Int2ObjectMap<ChunkMap.TrackedEntity> entityMap;
+ //private final PlayerMap playerMap; // Folia - region threading
+ //public final Int2ObjectMap<ChunkMap.TrackedEntity> entityMap; // Folia - region threading
private final Long2ByteMap chunkTypeCache;
private final Long2LongMap chunkSaveCooldowns;
private final Queue<Runnable> unloadQueue;
public int serverViewDistance;
// Paper start - distance maps
- private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets<ServerPlayer> pooledLinkedPlayerHashSets = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets<>();
- // Paper start - use distance map to optimise tracker
- public static boolean isLegacyTrackingEntity(Entity entity) {
- return entity.isLegacyTrackingEntity;
- }
-
- // inlined EnumMap, TrackingRange.TrackingRangeType
- static final org.spigotmc.TrackingRange.TrackingRangeType[] TRACKING_RANGE_TYPES = org.spigotmc.TrackingRange.TrackingRangeType.values();
- public final com.destroystokyo.paper.util.misc.PlayerAreaMap[] playerEntityTrackerTrackMaps;
- final int[] entityTrackerTrackRanges;
- public final int getEntityTrackerRange(final int ordinal) {
- return this.entityTrackerTrackRanges[ordinal];
- }
-
- private int convertSpigotRangeToVanilla(final int vanilla) {
- return net.minecraft.server.MinecraftServer.getServer().getScaledTrackingDistance(vanilla);
- }
- // Paper end - use distance map to optimise tracker
+ // Folia - region threading
void addPlayerToDistanceMaps(ServerPlayer player) {
int chunkX = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getX());
int chunkZ = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getZ());
// Note: players need to be explicitly added to distance maps before they can be updated
- this.nearbyPlayers.addPlayer(player);
+ // Folia - region threading
this.level.playerChunkLoader.addPlayer(player); // Paper - replace chunk loader
- // Paper start - use distance map to optimise entity tracker
- for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
- com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
- int trackRange = this.entityTrackerTrackRanges[i];
-
- trackMap.add(player, chunkX, chunkZ, Math.min(trackRange, io.papermc.paper.chunk.system.ChunkSystem.getSendViewDistance(player)));
- }
- // Paper end - use distance map to optimise entity tracker
+ // Folia - region threading
}
void removePlayerFromDistanceMaps(ServerPlayer player) {
int chunkX = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getX());
int chunkZ = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getZ());
// Note: players need to be explicitly added to distance maps before they can be updated
- this.nearbyPlayers.removePlayer(player);
+ // Folia - region threading
this.level.playerChunkLoader.removePlayer(player); // Paper - replace chunk loader
- // Paper start - use distance map to optimise tracker
- for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
- this.playerEntityTrackerTrackMaps[i].remove(player);
- }
- // Paper end - use distance map to optimise tracker
- this.playerMobSpawnMap.remove(player); // Paper - optimise chunk tick iteration
+ // Folia - region threading
}
void updateMaps(ServerPlayer player) {
int chunkX = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getX());
int chunkZ = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getZ());
// Note: players need to be explicitly added to distance maps before they can be updated
- this.nearbyPlayers.tickPlayer(player);
+ // Folia - region threading
this.level.playerChunkLoader.updatePlayer(player); // Paper - replace chunk loader
- // Paper start - use distance map to optimise entity tracker
- for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
- com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
- int trackRange = this.entityTrackerTrackRanges[i];
-
- trackMap.update(player, chunkX, chunkZ, Math.min(trackRange, io.papermc.paper.chunk.system.ChunkSystem.getSendViewDistance(player)));
- }
- // Paper end - use distance map to optimise entity tracker
+ // Folia - region threading
}
// Paper end
// Paper start
@@ -239,19 +203,19 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
public final ChunkHolder getUnloadingChunkHolder(int chunkX, int chunkZ) {
return null; // Paper - rewrite chunk system
}
- public final io.papermc.paper.util.player.NearbyPlayers nearbyPlayers;
+ //public final io.papermc.paper.util.player.NearbyPlayers nearbyPlayers; // Folia - region threading
// Paper end
// Paper start - optimise chunk tick iteration
- public final it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<ChunkHolder> needsChangeBroadcasting = new it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<>();
- public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerMobSpawnMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets);
+ //public final it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<ChunkHolder> needsChangeBroadcasting = new it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<>(); // Folia - region threading
+ //public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerMobSpawnMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets); // Folia - region threading
// Paper end - optimise chunk tick iteration
public ChunkMap(ServerLevel world, LevelStorageSource.LevelStorageAccess session, DataFixer dataFixer, StructureTemplateManager structureTemplateManager, Executor executor, BlockableEventLoop<Runnable> mainThreadExecutor, LightChunkGetter chunkProvider, ChunkGenerator chunkGenerator, ChunkProgressListener worldGenerationProgressListener, ChunkStatusUpdateListener chunkStatusChangeListener, Supplier<DimensionDataStorage> persistentStateManagerFactory, int viewDistance, boolean dsync) {
super(session.getDimensionPath(world.dimension()).resolve("region"), dataFixer, dsync);
// Paper - rewrite chunk system
this.tickingGenerated = new AtomicInteger();
- this.playerMap = new PlayerMap();
- this.entityMap = new Int2ObjectOpenHashMap();
+ //this.playerMap = new PlayerMap(); // Folia - region threading
+ //this.entityMap = new Int2ObjectOpenHashMap(); // Folia - region threading
this.chunkTypeCache = new Long2ByteOpenHashMap();
this.chunkSaveCooldowns = new Long2LongOpenHashMap();
this.unloadQueue = Queues.newConcurrentLinkedQueue();
@@ -296,57 +260,18 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.setServerViewDistance(viewDistance);
// Paper start
this.dataRegionManager = new io.papermc.paper.chunk.SingleThreadChunkRegionManager(this.level, 2, (1.0 / 3.0), 1, 6, "Data", DataRegionData::new, DataRegionSectionData::new);
- this.regionManagers.add(this.dataRegionManager);
- this.nearbyPlayers = new io.papermc.paper.util.player.NearbyPlayers(this.level);
+ //this.regionManagers.add(this.dataRegionManager); // Folia - region threading
+ //this.nearbyPlayers = new io.papermc.paper.util.player.NearbyPlayers(this.level); // Folia - region threading
// Paper end
// Paper start - use distance map to optimise entity tracker
- this.playerEntityTrackerTrackMaps = new com.destroystokyo.paper.util.misc.PlayerAreaMap[TRACKING_RANGE_TYPES.length];
- this.entityTrackerTrackRanges = new int[TRACKING_RANGE_TYPES.length];
-
- org.spigotmc.SpigotWorldConfig spigotWorldConfig = this.level.spigotConfig;
-
- for (int ordinal = 0, len = TRACKING_RANGE_TYPES.length; ordinal < len; ++ordinal) {
- org.spigotmc.TrackingRange.TrackingRangeType trackingRangeType = TRACKING_RANGE_TYPES[ordinal];
- int configuredSpigotValue;
- switch (trackingRangeType) {
- case PLAYER:
- configuredSpigotValue = spigotWorldConfig.playerTrackingRange;
- break;
- case ANIMAL:
- configuredSpigotValue = spigotWorldConfig.animalTrackingRange;
- break;
- case MONSTER:
- configuredSpigotValue = spigotWorldConfig.monsterTrackingRange;
- break;
- case MISC:
- configuredSpigotValue = spigotWorldConfig.miscTrackingRange;
- break;
- case OTHER:
- configuredSpigotValue = spigotWorldConfig.otherTrackingRange;
- break;
- case ENDERDRAGON:
- configuredSpigotValue = EntityType.ENDER_DRAGON.clientTrackingRange() * 16;
- break;
- case DISPLAY:
- configuredSpigotValue = spigotWorldConfig.displayTrackingRange;
- break;
- default:
- throw new IllegalStateException("Missing case for enum " + trackingRangeType);
- }
- configuredSpigotValue = convertSpigotRangeToVanilla(configuredSpigotValue);
-
- int trackRange = (configuredSpigotValue >>> 4) + ((configuredSpigotValue & 15) != 0 ? 1 : 0);
- this.entityTrackerTrackRanges[ordinal] = trackRange;
-
- this.playerEntityTrackerTrackMaps[ordinal] = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets);
- }
+ // Folia - region threading
// Paper end - use distance map to optimise entity tracker
}
// Paper start
// always use accessor, so folia can override
public final io.papermc.paper.util.player.NearbyPlayers getNearbyPlayers() {
- return this.nearbyPlayers;
+ return this.level.getCurrentWorldData().getNearbyPlayers(); // Folia - region threading
}
// Paper end
@@ -667,6 +592,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
// Paper start - duplicate uuid resolving
// rets true if to prevent the entity from being added
public static boolean checkDupeUUID(ServerLevel level, Entity entity) {
+ // Folia start - region threading
+ if (true) {
+ // TODO fix this shit later
+ return false;
+ }
+ // Folia end - region threading
io.papermc.paper.configuration.WorldConfiguration.Entities.Spawning.DuplicateUUID.DuplicateUUIDMode mode = level.paperConfig().entities.spawning.duplicateUuid.mode;
if (mode != io.papermc.paper.configuration.WorldConfiguration.Entities.Spawning.DuplicateUUID.DuplicateUUIDMode.WARN
&& mode != io.papermc.paper.configuration.WorldConfiguration.Entities.Spawning.DuplicateUUID.DuplicateUUIDMode.DELETE
@@ -913,6 +844,38 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
boolean anyPlayerCloseEnoughForSpawning(ChunkPos chunkcoordintpair, boolean reducedRange) {
+ // Folia start - region threading
+ if (true) {
+ java.util.List<ServerPlayer> players = this.level.getLocalPlayers();
+ if (reducedRange) {
+ for (int i = 0, len = players.size(); i < len; ++i) {
+ ServerPlayer player = players.get(i);
+ if (!player.affectsSpawning || player.isSpectator()) {
+ continue;
+ }
+ // don't check spectator and whatnot, already handled by mob spawn map update
+ if (euclideanDistanceSquared(chunkcoordintpair, player) < player.lastEntitySpawnRadiusSquared) {
+ return true; // in range
+ }
+ }
+ } else {
+ final double range = (DistanceManager.MOB_SPAWN_RANGE * 16) * (DistanceManager.MOB_SPAWN_RANGE * 16);
+ // before spigot, mob spawn range was actually mob spawn range + tick range, but it was split
+ for (int i = 0, len = players.size(); i < len; ++i) {
+ ServerPlayer player = players.get(i);
+ if (!player.affectsSpawning || player.isSpectator()) {
+ continue;
+ }
+ // don't check spectator and whatnot, already handled by mob spawn map update
+ if (euclideanDistanceSquared(chunkcoordintpair, player) < range) {
+ return true; // in range
+ }
+ }
+ }
+ // no players in range
+ return false;
+ }
+ // Folia end - region threading
int chunkRange = this.level.spigotConfig.mobSpawnRange;
chunkRange = (chunkRange > this.level.spigotConfig.viewDistance) ? (byte) this.level.spigotConfig.viewDistance : chunkRange;
chunkRange = (chunkRange > 8) ? 8 : chunkRange;
@@ -924,7 +887,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
if (!this.distanceManager.hasPlayersNearby(chunkcoordintpair.toLong())) {
return false;
} else {
- Iterator iterator = this.playerMap.getAllPlayers().iterator();
+ Iterator iterator = null; // Folia - region threading
ServerPlayer entityplayer;
@@ -956,7 +919,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
return List.of();
} else {
Builder<ServerPlayer> builder = ImmutableList.builder();
- Iterator iterator = this.playerMap.getAllPlayers().iterator();
+ Iterator iterator = this.level.getLocalPlayers().iterator(); // Folia - region threading
while (iterator.hasNext()) {
ServerPlayer entityplayer = (ServerPlayer) iterator.next();
@@ -985,25 +948,19 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
void updatePlayerStatus(ServerPlayer player, boolean added) {
- boolean flag1 = this.skipPlayer(player);
- boolean flag2 = this.playerMap.ignoredOrUnknown(player);
+ // Folia - region threading
if (added) {
- this.playerMap.addPlayer(player, flag1);
+ // Folia - region threading
this.updatePlayerPos(player);
- if (!flag1) {
- this.distanceManager.addPlayer(SectionPos.of((EntityAccess) player), player);
- }
+ // Folia - region threading
// Paper - handled by player chunk loader
this.addPlayerToDistanceMaps(player); // Paper - distance maps
} else {
SectionPos sectionposition = player.getLastSectionPos();
- this.playerMap.removePlayer(player);
- if (!flag2) {
- this.distanceManager.removePlayer(sectionposition, player);
- }
+ // Folia - region threading
this.removePlayerFromDistanceMaps(player); // Paper - distance maps
// Paper - handled by player chunk loader
@@ -1018,31 +975,13 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
public void move(ServerPlayer player) {
- // Paper - delay this logic for the entity tracker tick, no need to duplicate it
+ // Folia - region threading - entity tracker optimisations
- SectionPos sectionposition = player.getLastSectionPos();
- SectionPos sectionposition1 = SectionPos.of((EntityAccess) player);
- boolean flag = this.playerMap.ignored(player);
- boolean flag1 = this.skipPlayer(player);
- boolean flag2 = sectionposition.asLong() != sectionposition1.asLong();
+ // Folia - region threading
- if (flag2 || flag != flag1) {
+ if (true) { // Folia - region threading
this.updatePlayerPos(player);
- if (!flag) {
- this.distanceManager.removePlayer(sectionposition, player);
- }
-
- if (!flag1) {
- this.distanceManager.addPlayer(sectionposition1, player);
- }
-
- if (!flag && flag1) {
- this.playerMap.ignorePlayer(player);
- }
-
- if (flag && !flag1) {
- this.playerMap.unIgnorePlayer(player);
- }
+ // Folia - region threading
// Paper - replaced by PlayerChunkLoader
}
@@ -1073,9 +1012,9 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
public void addEntity(Entity entity) {
org.spigotmc.AsyncCatcher.catchOp("entity track"); // Spigot
// Paper start - ignore and warn about illegal addEntity calls instead of crashing server
- if (!entity.valid || entity.level() != this.level || this.entityMap.containsKey(entity.getId())) {
+ if (!entity.valid || entity.level() != this.level || entity.tracker != null) { // Folia - region threading
LOGGER.error("Illegal ChunkMap::addEntity for world " + this.level.getWorld().getName()
- + ": " + entity + (this.entityMap.containsKey(entity.getId()) ? " ALREADY CONTAINED (This would have crashed your server)" : ""), new Throwable());
+ + ": " + entity + (entity.tracker != null ? " ALREADY CONTAINED (This would have crashed your server)" : ""), new Throwable());
return;
}
// Paper end - ignore and warn about illegal addEntity calls instead of crashing server
@@ -1088,27 +1027,25 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
if (i != 0) {
int j = entitytypes.updateInterval();
- if (this.entityMap.containsKey(entity.getId())) {
+ if (entity.tracker != null) { // Folia - region threading
throw (IllegalStateException) Util.pauseInIde(new IllegalStateException("Entity is already tracked!"));
} else {
ChunkMap.TrackedEntity playerchunkmap_entitytracker = new ChunkMap.TrackedEntity(entity, i, j, entitytypes.trackDeltas());
entity.tracker = playerchunkmap_entitytracker; // Paper - Fast access to tracker
- this.entityMap.put(entity.getId(), playerchunkmap_entitytracker);
- playerchunkmap_entitytracker.updatePlayers(entity.getPlayersInTrackRange()); // Paper - don't search all players
+ // Folia - region threading
+ playerchunkmap_entitytracker.updatePlayers(this.level.getLocalPlayers()); // Folia - region threading
if (entity instanceof ServerPlayer) {
ServerPlayer entityplayer = (ServerPlayer) entity;
this.updatePlayerStatus(entityplayer, true);
- ObjectIterator objectiterator = this.entityMap.values().iterator();
-
- while (objectiterator.hasNext()) {
- ChunkMap.TrackedEntity playerchunkmap_entitytracker1 = (ChunkMap.TrackedEntity) objectiterator.next();
-
- if (playerchunkmap_entitytracker1.entity != entityplayer) {
- playerchunkmap_entitytracker1.updatePlayer(entityplayer);
+ // Folia start - region threading
+ for (Entity possible : this.level.getCurrentWorldData().getLoadedEntities()) {
+ if (possible.tracker != null) {
+ possible.tracker.updatePlayer(entityplayer);
}
}
+ // Folia end - region threading
}
}
@@ -1122,16 +1059,16 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
ServerPlayer entityplayer = (ServerPlayer) entity;
this.updatePlayerStatus(entityplayer, false);
- ObjectIterator objectiterator = this.entityMap.values().iterator();
-
- while (objectiterator.hasNext()) {
- ChunkMap.TrackedEntity playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) objectiterator.next();
-
- playerchunkmap_entitytracker.removePlayer(entityplayer);
+ // Folia start - region threading
+ for (Entity possible : this.level.getCurrentWorldData().getLocalEntities()) {
+ if (possible.tracker != null) {
+ possible.tracker.removePlayer(entityplayer);
+ }
}
+ // Folia end - region threading
}
- ChunkMap.TrackedEntity playerchunkmap_entitytracker1 = (ChunkMap.TrackedEntity) this.entityMap.remove(entity.getId());
+ ChunkMap.TrackedEntity playerchunkmap_entitytracker1 = entity.tracker; // Folia - region threading
if (playerchunkmap_entitytracker1 != null) {
playerchunkmap_entitytracker1.broadcastRemoved();
@@ -1139,82 +1076,37 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
entity.tracker = null; // Paper - We're no longer tracked
}
- // Paper start - optimised tracker
- private final void processTrackQueue() {
- this.level.timings.tracker1.startTiming();
- try {
- for (TrackedEntity tracker : this.entityMap.values()) {
- // update tracker entry
- tracker.updatePlayers(tracker.entity.getPlayersInTrackRange());
+ // Folia start - region threading - replace entity tracking ticking
+ private void foliaEntityTrackerTick() {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = this.level.getCurrentWorldData();
+ io.papermc.paper.util.player.NearbyPlayers nearbyPlayers = worldData.getNearbyPlayers();
+ for (Entity entity : worldData.getLoadedEntities()) {
+ TrackedEntity tracker = entity.tracker;
+ if (tracker == null) {
+ continue;
}
- } finally {
- this.level.timings.tracker1.stopTiming();
- }
-
-
- this.level.timings.tracker2.startTiming();
- try {
- for (TrackedEntity tracker : this.entityMap.values()) {
- tracker.serverEntity.sendChanges();
+ tracker.tick(nearbyPlayers.getChunk(entity.chunkPosition()));
+ tracker.serverEntity.sendChanges();
+ }
+ // process unloads
+ for (Entity entity : worldData.takeTrackingUnloads()) {
+ TrackedEntity tracker = entity.tracker;
+ if (tracker == null) {
+ continue;
}
- } finally {
- this.level.timings.tracker2.stopTiming();
+ tracker.clearPlayers();
}
}
- // Paper end - optimised tracker
+ // Folia end - region threading - replace entity tracking ticking
- protected void tick() {
- // Paper start - optimized tracker
- if (true) {
- this.processTrackQueue();
- return;
- }
- // Paper end - optimized tracker
- List<ServerPlayer> list = Lists.newArrayList();
- List<ServerPlayer> list1 = this.level.players();
- ObjectIterator objectiterator = this.entityMap.values().iterator();
- level.timings.tracker1.startTiming(); // Paper
-
- ChunkMap.TrackedEntity playerchunkmap_entitytracker;
-
- while (objectiterator.hasNext()) {
- playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) objectiterator.next();
- SectionPos sectionposition = playerchunkmap_entitytracker.lastSectionPos;
- SectionPos sectionposition1 = SectionPos.of((EntityAccess) playerchunkmap_entitytracker.entity);
- boolean flag = !Objects.equals(sectionposition, sectionposition1);
-
- if (flag) {
- playerchunkmap_entitytracker.updatePlayers(list1);
- Entity entity = playerchunkmap_entitytracker.entity;
-
- if (entity instanceof ServerPlayer) {
- list.add((ServerPlayer) entity);
- }
-
- playerchunkmap_entitytracker.lastSectionPos = sectionposition1;
- }
-
- if (flag || this.distanceManager.inEntityTickingRange(sectionposition1.chunk().toLong())) {
- playerchunkmap_entitytracker.serverEntity.sendChanges();
- }
- }
- level.timings.tracker1.stopTiming(); // Paper
-
- if (!list.isEmpty()) {
- objectiterator = this.entityMap.values().iterator();
-
- level.timings.tracker2.startTiming(); // Paper
- while (objectiterator.hasNext()) {
- playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) objectiterator.next();
- playerchunkmap_entitytracker.updatePlayers(list);
- }
- level.timings.tracker2.stopTiming(); // Paper
- }
+ // Folia - region threading - replace entity tracking ticking
+ protected void tick() {
+ this.foliaEntityTrackerTick(); // Folia - region threading - replace entity tracking ticking
}
public void broadcast(Entity entity, Packet<?> packet) {
- ChunkMap.TrackedEntity playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) this.entityMap.get(entity.getId());
+ ChunkMap.TrackedEntity playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) entity.tracker; // Folia - region threading
if (playerchunkmap_entitytracker != null) {
playerchunkmap_entitytracker.broadcast(packet);
@@ -1223,7 +1115,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
protected void broadcastAndSend(Entity entity, Packet<?> packet) {
- ChunkMap.TrackedEntity playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) this.entityMap.get(entity.getId());
+ ChunkMap.TrackedEntity playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) entity.tracker; // Folia - region threading
if (playerchunkmap_entitytracker != null) {
playerchunkmap_entitytracker.broadcastAndSend(packet);
@@ -1400,6 +1292,78 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
}
+ // Folia start - region threading
+ private int lastChunkUpdate = -1;
+ private io.papermc.paper.util.player.NearbyPlayers.TrackedChunk lastTrackedChunk;
+ public void tick(io.papermc.paper.util.player.NearbyPlayers.TrackedChunk chunk) {
+ if (chunk == null) {
+ this.clearPlayers();
+ return;
+ }
+
+ com.destroystokyo.paper.util.maplist.ReferenceList<ServerPlayer> players =
+ chunk.getPlayers(io.papermc.paper.util.player.NearbyPlayers.NearbyMapType.VIEW_DISTANCE);
+
+ if (players == null) {
+ this.clearPlayers();
+ return;
+ }
+
+ int lastChunkUpdate = this.lastChunkUpdate;
+ int currChunkUpdate = chunk.getUpdateCount();
+ io.papermc.paper.util.player.NearbyPlayers.TrackedChunk lastTrackedChunk = this.lastTrackedChunk;
+ this.lastChunkUpdate = currChunkUpdate;
+ this.lastTrackedChunk = chunk;
+
+ for (int i = 0, len = players.size(); i < len; ++i) {
+ ServerPlayer player = players.getUnchecked(i);
+ this.updatePlayer(player);
+ }
+
+ if (lastChunkUpdate != currChunkUpdate || lastTrackedChunk != chunk) {
+ // need to purge any players possible not in the chunk list
+ for (ServerPlayerConnection conn : new java.util.ArrayList<>(this.seenBy)) {
+ ServerPlayer player = conn.getPlayer();
+ if (!players.contains(player)) {
+ this.removePlayer(player);
+ }
+ }
+ }
+ }
+
+ public void removeNonTickThreadPlayers() {
+ boolean foundToRemove = false;
+ for (ServerPlayerConnection conn : this.seenBy) {
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(conn.getPlayer())) {
+ foundToRemove = true;
+ break;
+ }
+ }
+
+ if (!foundToRemove) {
+ return;
+ }
+
+ for (ServerPlayerConnection conn : new java.util.ArrayList<>(this.seenBy)) {
+ ServerPlayer player = conn.getPlayer();
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(player)) {
+ this.removePlayer(player);
+ }
+ }
+ }
+
+ public void clearPlayers() {
+ this.lastChunkUpdate = -1;
+ this.lastTrackedChunk = null;
+ if (this.seenBy.isEmpty()) {
+ return;
+ }
+ for (ServerPlayerConnection conn : new java.util.ArrayList<>(this.seenBy)) {
+ ServerPlayer player = conn.getPlayer();
+ this.removePlayer(player);
+ }
+ }
+ // Folia end - region threading
public void updatePlayer(ServerPlayer player) {
org.spigotmc.AsyncCatcher.catchOp("player tracker update"); // Spigot
@@ -1423,9 +1387,14 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
}
// Paper end - Configurable entity tracking range by Y
+ // Folia start - region threading
+ if (flag && (this.entity instanceof ServerPlayer thisEntity) && thisEntity.broadcastedDeath) {
+ flag = false;
+ }
+ // Folia end - region threading
// CraftBukkit start - respect vanish API
- if (flag && !player.getBukkitEntity().canSee(this.entity.getBukkitEntity())) { // Paper - only consider hits
+ if (flag && (!io.papermc.paper.util.TickThread.isTickThreadFor(player) || !player.getBukkitEntity().canSee(this.entity.getBukkitEntity()))) { // Paper - only consider hits // Folia - region threading
flag = false;
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java
index 7c425ac50c83757b66a2178bc19d4c920b82f12f..584ee79355f1825b42bc98e508a3678b22886831 100644
--- a/src/main/java/net/minecraft/server/level/DistanceManager.java
+++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
@@ -191,11 +191,11 @@ public abstract class DistanceManager {
}
public int getNaturalSpawnChunkCount() {
- return this.chunkMap.playerMobSpawnMap.size(); // Paper - optimise chunk tick iteration
+ return this.chunkMap.level.getCurrentWorldData().mobSpawnMap.size(); // Paper - optimise chunk tick iteration // Folia - region threading
}
public boolean hasPlayersNearby(long chunkPos) {
- return this.chunkMap.playerMobSpawnMap.getObjectsInRange(chunkPos) != null; // Paper - optimise chunk tick iteration
+ return this.chunkMap.level.getCurrentWorldData().mobSpawnMap.getObjectsInRange(chunkPos) != null; // Paper - optimise chunk tick iteration // Folia - region threading
}
public String getDebugStatus() {
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 366c0c9b45a819f7f94ebe3e49b8ab7f9edf9ce7..d532043f33825ce2971d9e53f290cdead22d6916 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -58,23 +58,20 @@ public class ServerChunkCache extends ChunkSource {
public final ServerChunkCache.MainThreadExecutor mainThreadProcessor;
public final ChunkMap chunkMap;
private final DimensionDataStorage dataStorage;
- private long lastInhabitedUpdate;
+ //private long lastInhabitedUpdate; // Folia - region threading
public boolean spawnEnemies = true;
public boolean spawnFriendlies = true;
private static final int CACHE_SIZE = 4;
private final long[] lastChunkPos = new long[4];
private final ChunkStatus[] lastChunkStatus = new ChunkStatus[4];
private final ChunkAccess[] lastChunk = new ChunkAccess[4];
- @Nullable
- @VisibleForDebug
- private NaturalSpawner.SpawnState lastSpawnState;
+ // Folia - moved to regionised world data
// Paper start
- public final io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<LevelChunk> tickingChunks = new io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<>(4096, 0.75f, 4096, 0.15, true);
- public final io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<LevelChunk> entityTickingChunks = new io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<>(4096, 0.75f, 4096, 0.15, true);
+ // Folia - region threading - move to regionised world data
final com.destroystokyo.paper.util.concurrent.WeakSeqLock loadedChunkMapSeqLock = new com.destroystokyo.paper.util.concurrent.WeakSeqLock();
- final it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<LevelChunk> loadedChunkMap = new it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<>(8192, 0.5f);
+ final ca.spottedleaf.concurrentutil.map.SWMRLong2ObjectHashTable<LevelChunk> loadedChunkMap = new ca.spottedleaf.concurrentutil.map.SWMRLong2ObjectHashTable<>(8192, 0.5f); // Folia - region threading
final java.util.concurrent.atomic.AtomicLong chunkFutureAwaitCounter = new java.util.concurrent.atomic.AtomicLong(); // Paper - chunk system rewrite
- private final LevelChunk[] lastLoadedChunks = new LevelChunk[4 * 4];
+ // Folia - region threading
// Paper end
public ServerChunkCache(ServerLevel world, LevelStorageSource.LevelStorageAccess session, DataFixer dataFixer, StructureTemplateManager structureTemplateManager, Executor workerExecutor, ChunkGenerator chunkGenerator, int viewDistance, int simulationDistance, boolean dsync, ChunkProgressListener worldGenerationProgressListener, ChunkStatusUpdateListener chunkStatusChangeListener, Supplier<DimensionDataStorage> persistentStateManagerFactory) {
@@ -107,52 +104,23 @@ public class ServerChunkCache extends ChunkSource {
}
public void addLoadedChunk(LevelChunk chunk) {
- this.loadedChunkMapSeqLock.acquireWrite();
- try {
+ synchronized (this.loadedChunkMap) { // Folia - region threading
this.loadedChunkMap.put(chunk.coordinateKey, chunk);
- } finally {
- this.loadedChunkMapSeqLock.releaseWrite();
- }
-
- // rewrite cache if we have to
- // we do this since we also cache null chunks
- int cacheKey = getChunkCacheKey(chunk.locX, chunk.locZ);
+ } // Folia - region threading
- this.lastLoadedChunks[cacheKey] = chunk;
+ // Folia - region threading
}
public void removeLoadedChunk(LevelChunk chunk) {
- this.loadedChunkMapSeqLock.acquireWrite();
- try {
+ synchronized (this.loadedChunkMap) { // Folia - region threading
this.loadedChunkMap.remove(chunk.coordinateKey);
- } finally {
- this.loadedChunkMapSeqLock.releaseWrite();
- }
-
- // rewrite cache if we have to
- // we do this since we also cache null chunks
- int cacheKey = getChunkCacheKey(chunk.locX, chunk.locZ);
+ } // Folia - region threading
- LevelChunk cachedChunk = this.lastLoadedChunks[cacheKey];
- if (cachedChunk != null && cachedChunk.coordinateKey == chunk.coordinateKey) {
- this.lastLoadedChunks[cacheKey] = null;
- }
+ // Folia - region threading
}
public final LevelChunk getChunkAtIfLoadedMainThread(int x, int z) {
- int cacheKey = getChunkCacheKey(x, z);
-
- LevelChunk cachedChunk = this.lastLoadedChunks[cacheKey];
- if (cachedChunk != null && cachedChunk.locX == x & cachedChunk.locZ == z) {
- return cachedChunk;
- }
-
- long chunkKey = ChunkPos.asLong(x, z);
-
- cachedChunk = this.loadedChunkMap.get(chunkKey);
- // Skipping a null check to avoid extra instructions to improve inline capability
- this.lastLoadedChunks[cacheKey] = cachedChunk;
- return cachedChunk;
+ return this.loadedChunkMap.get(ChunkPos.asLong(x, z)); // Folia - region threading
}
public final LevelChunk getChunkAtIfLoadedMainThreadNoCache(int x, int z) {
@@ -197,26 +165,7 @@ public class ServerChunkCache extends ChunkSource {
public LevelChunk getChunkAtIfLoadedImmediately(int x, int z) {
long k = ChunkPos.asLong(x, z);
- if (io.papermc.paper.util.TickThread.isTickThread()) { // Paper - rewrite chunk system
- return this.getChunkAtIfLoadedMainThread(x, z);
- }
-
- LevelChunk ret = null;
- long readlock;
- do {
- readlock = this.loadedChunkMapSeqLock.acquireRead();
- try {
- ret = this.loadedChunkMap.get(k);
- } catch (Throwable thr) {
- if (thr instanceof ThreadDeath) {
- throw (ThreadDeath)thr;
- }
- // re-try, this means a CME occurred...
- continue;
- }
- } while (!this.loadedChunkMapSeqLock.tryReleaseRead(readlock));
-
- return ret;
+ return this.loadedChunkMap.get(k); // Folia - region threading
}
// Paper end
@@ -314,6 +263,7 @@ public class ServerChunkCache extends ChunkSource {
}
public CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> getChunkFuture(int chunkX, int chunkZ, ChunkStatus leastStatus, boolean create) {
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
boolean flag1 = io.papermc.paper.util.TickThread.isTickThread(); // Paper - rewrite chunk system
CompletableFuture completablefuture;
@@ -499,10 +449,11 @@ public class ServerChunkCache extends ChunkSource {
}
private void tickChunks() {
- long i = this.level.getGameTime();
- long j = i - this.lastInhabitedUpdate;
+ io.papermc.paper.threadedregions.RegionizedWorldData regionizedWorldData = this.level.getCurrentWorldData(); // Folia - region threading
+ //long i = this.level.getGameTime(); // Folia - region threading
+ long j = 1; // Folia - region threading
- this.lastInhabitedUpdate = i;
+ //this.lastInhabitedUpdate = i; // Folia - region threading
if (!this.level.isDebug()) {
ProfilerFiller gameprofilerfiller = this.level.getProfiler();
@@ -522,7 +473,7 @@ public class ServerChunkCache extends ChunkSource {
NaturalSpawner.SpawnState spawnercreature_d; // moved down
if ((this.spawnFriendlies || this.spawnEnemies) && this.level.paperConfig().entities.spawning.perPlayerMobSpawns) { // don't count mobs when animals and monsters are disabled
// re-set mob counts
- for (ServerPlayer player : this.level.players) {
+ for (ServerPlayer player : this.level.getLocalPlayers()) { // Folia - region threading
// Paper start - per player mob spawning backoff
for (int ii = 0; ii < ServerPlayer.MOBCATEGORY_TOTAL_ENUMS; ii++) {
player.mobCounts[ii] = 0;
@@ -535,22 +486,22 @@ public class ServerChunkCache extends ChunkSource {
}
// Paper end - per player mob spawning backoff
}
- spawnercreature_d = NaturalSpawner.createState(naturalSpawnChunkCount, this.level.getAllEntities(), this::getFullChunk, null, true);
+ spawnercreature_d = NaturalSpawner.createState(naturalSpawnChunkCount, regionizedWorldData.getLoadedEntities(), this::getFullChunk, null, true); // Folia - region threading - note: function only cares about loaded entities, doesn't need all
} else {
- spawnercreature_d = NaturalSpawner.createState(naturalSpawnChunkCount, this.level.getAllEntities(), this::getFullChunk, !this.level.paperConfig().entities.spawning.perPlayerMobSpawns ? new LocalMobCapCalculator(this.chunkMap) : null, false);
+ spawnercreature_d = NaturalSpawner.createState(naturalSpawnChunkCount, regionizedWorldData.getLoadedEntities(), this::getFullChunk, !this.level.paperConfig().entities.spawning.perPlayerMobSpawns ? new LocalMobCapCalculator(this.chunkMap) : null, false); // Folia - region threading - note: function only cares about loaded entities, doesn't need all
}
// Paper end - Optional per player mob spawns
this.level.timings.countNaturalMobs.stopTiming(); // Paper - timings
- this.lastSpawnState = spawnercreature_d;
+ regionizedWorldData.lastSpawnState = spawnercreature_d; // Folia - region threading
gameprofilerfiller.popPush("spawnAndTick");
- boolean flag = this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && !this.level.players().isEmpty(); // CraftBukkit
+ boolean flag = this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && !this.level.getLocalPlayers().isEmpty(); // CraftBukkit // Folia - region threadin
// Paper start - optimise chunk tick iteration
ChunkMap playerChunkMap = this.chunkMap;
- for (ServerPlayer player : this.level.players) {
+ for (ServerPlayer player : this.level.getLocalPlayers()) { // Folia - region threading
if (!player.affectsSpawning || player.isSpectator()) {
- playerChunkMap.playerMobSpawnMap.remove(player);
+ regionizedWorldData.mobSpawnMap.remove(player); // Folia - region threading
player.playerNaturallySpawnedEvent = null;
player.lastEntitySpawnRadiusSquared = -1.0;
continue;
@@ -566,7 +517,7 @@ public class ServerChunkCache extends ChunkSource {
com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(player.getBukkitEntity(), (byte)chunkRange);
event.callEvent();
if (event.isCancelled() || event.getSpawnRadius() < 0) {
- playerChunkMap.playerMobSpawnMap.remove(player);
+ regionizedWorldData.mobSpawnMap.remove(player); // Folia - region threading
player.playerNaturallySpawnedEvent = null;
player.lastEntitySpawnRadiusSquared = -1.0;
continue;
@@ -576,13 +527,13 @@ public class ServerChunkCache extends ChunkSource {
int chunkX = io.papermc.paper.util.CoordinateUtils.getChunkCoordinate(player.getX());
int chunkZ = io.papermc.paper.util.CoordinateUtils.getChunkCoordinate(player.getZ());
- playerChunkMap.playerMobSpawnMap.addOrUpdate(player, chunkX, chunkZ, range);
+ regionizedWorldData.mobSpawnMap.addOrUpdate(player, chunkX, chunkZ, range); // Folia - region threading
player.lastEntitySpawnRadiusSquared = (double)((range << 4) * (range << 4)); // used in anyPlayerCloseEnoughForSpawning
player.playerNaturallySpawnedEvent = event;
}
// Paper end - optimise chunk tick iteration
int l = this.level.getGameRules().getInt(GameRules.RULE_RANDOMTICKING);
- boolean flag1 = this.level.ticksPerSpawnCategory.getLong(org.bukkit.entity.SpawnCategory.ANIMAL) != 0L && this.level.getLevelData().getGameTime() % this.level.ticksPerSpawnCategory.getLong(org.bukkit.entity.SpawnCategory.ANIMAL) == 0L; // CraftBukkit
+ boolean flag1 = this.level.ticksPerSpawnCategory.getLong(org.bukkit.entity.SpawnCategory.ANIMAL) != 0L && this.level.getRedstoneGameTime() % this.level.ticksPerSpawnCategory.getLong(org.bukkit.entity.SpawnCategory.ANIMAL) == 0L; // CraftBukkit // Folia - region threading
// Paper - optimise chunk tick iteration
int chunksTicked = 0; // Paper
@@ -590,10 +541,10 @@ public class ServerChunkCache extends ChunkSource {
io.papermc.paper.util.player.NearbyPlayers nearbyPlayers = this.chunkMap.getNearbyPlayers(); // Paper - optimise chunk tick iteration
Iterator<LevelChunk> chunkIterator;
if (this.level.paperConfig().entities.spawning.perPlayerMobSpawns) {
- chunkIterator = this.tickingChunks.iterator();
+ chunkIterator = regionizedWorldData.getTickingChunks().iterator(); // Folia - region threading
} else {
- chunkIterator = this.tickingChunks.unsafeIterator();
- List<LevelChunk> shuffled = Lists.newArrayListWithCapacity(this.tickingChunks.size());
+ chunkIterator = regionizedWorldData.getTickingChunks().unsafeIterator(); // Folia - region threading
+ List<LevelChunk> shuffled = Lists.newArrayListWithCapacity(regionizedWorldData.getTickingChunks().size()); // Folia - region threading
while (chunkIterator.hasNext()) {
shuffled.add(chunkIterator.next());
}
@@ -663,17 +614,21 @@ public class ServerChunkCache extends ChunkSource {
// Paper - optimise chunk tick iteration
this.level.timings.broadcastChunkUpdates.startTiming(); // Paper - timing
// Paper start - optimise chunk tick iteration
- if (!this.chunkMap.needsChangeBroadcasting.isEmpty()) {
- it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<ChunkHolder> copy = this.chunkMap.needsChangeBroadcasting.clone();
- this.chunkMap.needsChangeBroadcasting.clear();
- for (ChunkHolder holder : copy) {
- holder.broadcastChanges(holder.getFullChunkNowUnchecked()); // LevelChunks are NEVER unloaded
- if (holder.needsBroadcastChanges()) {
- // I DON'T want to KNOW what DUMB plugins might be doing.
- this.chunkMap.needsChangeBroadcasting.add(holder);
+ // Folia start - region threading
+ if (!this.level.needsChangeBroadcasting.isEmpty()) {
+ for (Iterator<ChunkHolder> iterator = this.level.needsChangeBroadcasting.iterator(); iterator.hasNext();) {
+ ChunkHolder holder = iterator.next();
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(holder.newChunkHolder.world, holder.pos)) {
+ continue;
+ }
+ // don't need to worry about asynchronous chunk holder remove, as that can only be done by this tick thread
+ holder.broadcastChanges(holder.getFullChunkNowUnchecked());
+ if (!holder.needsBroadcastChanges()) {
+ iterator.remove();
}
}
}
+ // Folia end - region threading
// Paper end - optimise chunk tick iteration
this.level.timings.broadcastChunkUpdates.stopTiming(); // Paper - timing
// Paper - optimise chunk tick iteration
@@ -736,14 +691,19 @@ public class ServerChunkCache extends ChunkSource {
@Override
public void onLightUpdate(LightLayer type, SectionPos pos) {
- this.mainThreadProcessor.execute(() -> {
+ Runnable run = () -> { // Folia - region threading
ChunkHolder playerchunk = this.getVisibleChunkIfPresent(pos.chunk().toLong());
if (playerchunk != null) {
playerchunk.sectionLightChanged(type, pos.y());
}
- });
+ }; // Folia - region threading
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueChunkTask(
+ this.level, pos.getX(), pos.getZ(), run
+ );
+ // Folia end - region threading
}
public <T> void addRegionTicket(TicketType<T> ticketType, ChunkPos pos, int radius, T argument) {
@@ -815,7 +775,8 @@ public class ServerChunkCache extends ChunkSource {
@Nullable
@VisibleForDebug
public NaturalSpawner.SpawnState getLastSpawnState() {
- return this.lastSpawnState;
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = this.level.getCurrentWorldData(); // Folia - region threading
+ return worldData == null ? null : worldData.lastSpawnState; // Folia - region threading
}
public void removeTicketsOnClosing() {
@@ -848,8 +809,43 @@ public class ServerChunkCache extends ChunkSource {
return ServerChunkCache.this.mainThread;
}
+ // Folia start - region threading
+ @Override
+ public void tell(Runnable runnable) {
+ if (true) {
+ throw new UnsupportedOperationException();
+ }
+ super.tell(runnable);
+ }
+
+ @Override
+ public void executeBlocking(Runnable runnable) {
+ if (true) {
+ throw new UnsupportedOperationException();
+ }
+ super.executeBlocking(runnable);
+ }
+
+ @Override
+ public void execute(Runnable runnable) {
+ if (true) {
+ throw new UnsupportedOperationException();
+ }
+ super.execute(runnable);
+ }
+
+ @Override
+ public void executeIfPossible(Runnable runnable) {
+ if (true) {
+ throw new UnsupportedOperationException();
+ }
+ super.executeIfPossible(runnable);
+ }
+ // Folia end - region threading
+
@Override
protected void doRunTask(Runnable task) {
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
ServerChunkCache.this.level.getProfiler().incrementCounter("runTask");
super.doRunTask(task);
}
@@ -857,10 +853,15 @@ public class ServerChunkCache extends ChunkSource {
@Override
// CraftBukkit start - process pending Chunk loadCallback() and unloadCallback() after each run task
public boolean pollTask() {
+ // Folia start - region threading
+ if (ServerChunkCache.this.level != io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData().world) {
+ throw new IllegalStateException("Polling tasks from non-owned region");
+ }
+ // Folia end - region threading
if (ServerChunkCache.this.runDistanceManagerUpdates()) {
return true;
}
- return super.pollTask() | ServerChunkCache.this.level.chunkTaskScheduler.executeMainThreadTask(); // Paper - rewrite chunk system
+ return io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegion().getData().getTaskQueueData().executeChunkTask(); // Paper - rewrite chunk system // Folia - region threading
}
}
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index bf5e47e8c3706590fdc0731bd9a5858b56d06136..f72e3d2decf8eb2a5a802bb1c6c8aa29e08912cf 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -193,37 +193,35 @@ public class ServerLevel extends Level implements WorldGenLevel {
public final ServerChunkCache chunkSource;
private final MinecraftServer server;
public final PrimaryLevelData serverLevelData; // CraftBukkit - type
- final EntityTickList entityTickList;
+ //final EntityTickList entityTickList; // Folia - region threading
//public final PersistentEntitySectionManager<Entity> entityManager; // Paper - rewrite chunk system
private final GameEventDispatcher gameEventDispatcher;
public boolean noSave;
private final SleepStatus sleepStatus;
private int emptyTime;
private final PortalForcer portalForcer;
- private final LevelTicks<Block> blockTicks;
- private final LevelTicks<Fluid> fluidTicks;
+ //private final LevelTicks<Block> blockTicks; // Folia - region threading
+ //private final LevelTicks<Fluid> fluidTicks; // Folia - region threading
final Set<Mob> navigatingMobs;
volatile boolean isUpdatingNavigations;
protected final Raids raids;
- private final ObjectLinkedOpenHashSet<BlockEventData> blockEvents;
- private final List<BlockEventData> blockEventsToReschedule;
- private boolean handlingTick;
+ //private final ObjectLinkedOpenHashSet<BlockEventData> blockEvents; // Folia - region threading
+ //private final List<BlockEventData> blockEventsToReschedule; // Folia - region threading
+ //private boolean handlingTick; // Folia - region threading
private final List<CustomSpawner> customSpawners;
@Nullable
private EndDragonFight dragonFight;
final Int2ObjectMap<EnderDragonPart> dragonParts;
private final StructureManager structureManager;
private final StructureCheck structureCheck;
- private final boolean tickTime;
+ public final boolean tickTime; // Folia - region threading
private final RandomSequences randomSequences;
- public long lastMidTickExecuteFailure; // Paper - execute chunk tasks mid tick
+ // Folia - region threading
// CraftBukkit start
public final LevelStorageSource.LevelStorageAccess convertable;
public final UUID uuid;
- public boolean hasPhysicsEvent = true; // Paper - BlockPhysicsEvent
- public boolean hasEntityMoveEvent; // Paper - Add EntityMoveEvent
- private final alternate.current.wire.WireHandler wireHandler = new alternate.current.wire.WireHandler(this); // Paper - optimize redstone (Alternate Current)
+ // Folia - region threading - move to regionised world data
public LevelChunk getChunkIfLoaded(int x, int z) {
return this.chunkSource.getChunkAtIfLoadedImmediately(x, z); // Paper - Use getChunkIfLoadedImmediately
@@ -253,6 +251,36 @@ public class ServerLevel extends Level implements WorldGenLevel {
ServerChunkCache chunkProvider = this.getChunkSource();
+ // Folia start - region threading
+ // don't let players move into regions not owned
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(this, minChunkX, minChunkZ, maxChunkX, maxChunkZ)) {
+ return false;
+ }
+
+ for (int cx = minChunkX; cx <= maxChunkX; ++cx) {
+ for (int cz = minChunkZ; cz <= maxChunkZ; ++cz) {
+ if (chunkProvider.getChunkAtIfLoadedImmediately(cx, cz) == null) {
+ return false;
+ }
+ }
+ }
+
+ return true;
+ }
+
+ public final boolean isAreaLoaded(final BlockPos center, final int radius) {
+ int minX = (center.getX() - radius) >> 4;
+ int minZ = (center.getZ() - radius) >> 4;
+ int maxX = (center.getX() + radius) >> 4;
+ int maxZ = (center.getZ() + radius) >> 4;
+
+ return this.isAreaLoaded(minX, minZ, maxX, maxZ);
+ }
+
+ public final boolean isAreaLoaded(final int minChunkX, final int minChunkZ, final int maxChunkX, final int maxChunkZ) {
+ // Folia end - region threading
+ ServerChunkCache chunkProvider = this.getChunkSource();
+
for (int cx = minChunkX; cx <= maxChunkX; ++cx) {
for (int cz = minChunkZ; cz <= maxChunkZ; ++cz) {
if (chunkProvider.getChunkAtIfLoadedImmediately(cx, cz) == null) {
@@ -511,7 +539,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
public final int getRegionChunkShift() {
// placeholder for folia
- return io.papermc.paper.threadedregions.TickRegions.getRegionChunkShift();
+ return this.regioniser.sectionChunkShift; // Folia - region threading
}
// Paper end - rewrite chunk system
@@ -566,14 +594,14 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
// Paper end - optimise getPlayerByUUID
// Paper start - lag compensation
- private long lagCompensationTick = net.minecraft.server.MinecraftServer.SERVER_INIT;
+ // Folia - region threading
public long getLagCompensationTick() {
- return this.lagCompensationTick;
+ return this.getCurrentWorldData().getLagCompensationTick(); // Folia - region threading
}
public void updateLagCompensationTick() {
- this.lagCompensationTick = (System.nanoTime() - net.minecraft.server.MinecraftServer.SERVER_INIT) / (java.util.concurrent.TimeUnit.MILLISECONDS.toNanos(50L));
+ throw new UnsupportedOperationException(); // Folia - region threading
}
// Paper end - lag compensation
// Paper start - optimise nearby player retrieval
@@ -620,7 +648,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
ServerPlayer nearest = null;
double nearestDist = Double.MAX_VALUE;
- for (ServerPlayer player : this.players()) {
+ for (ServerPlayer player : this.getLocalPlayers()) { // Folia - region threading
double dist = player.distanceToSqr(x, y, z);
if (dist >= nearestDist) {
continue;
@@ -676,7 +704,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
return nearest;
} else {
- return this.getNearestEntity(this.players(), targetPredicate, entity, x, y, z);
+ return this.getNearestEntity(this.getLocalPlayers(), targetPredicate, entity, x, y, z); // Folia - region threading
}
}
@@ -685,6 +713,58 @@ public class ServerLevel extends Level implements WorldGenLevel {
return this.getNearestPlayer(targetPredicate, null, x, y, z);
}
// Paper end - optimise nearby player retrieval
+ // Folia start - region threading
+ public final io.papermc.paper.threadedregions.TickRegions tickRegions = new io.papermc.paper.threadedregions.TickRegions();
+ public final io.papermc.paper.threadedregions.ThreadedRegionizer<io.papermc.paper.threadedregions.TickRegions.TickRegionData, io.papermc.paper.threadedregions.TickRegions.TickRegionSectionData> regioniser;
+ {
+ this.regioniser = new io.papermc.paper.threadedregions.ThreadedRegionizer<>(
+ (int)Math.max(1L, (8L * 16L * 16L) / (1L << (2 * (io.papermc.paper.threadedregions.TickRegions.getRegionChunkShift())))),
+ (1.0 / 6.0),
+ Math.max(1, 8 / (1 << io.papermc.paper.threadedregions.TickRegions.getRegionChunkShift())),
+ 1,
+ io.papermc.paper.threadedregions.TickRegions.getRegionChunkShift(),
+ this,
+ this.tickRegions
+ );
+ }
+ public final io.papermc.paper.threadedregions.RegionizedTaskQueue.WorldRegionTaskData taskQueueRegionData = new io.papermc.paper.threadedregions.RegionizedTaskQueue.WorldRegionTaskData(this);
+ public static final int WORLD_INIT_NOT_CHECKED = 0;
+ public static final int WORLD_INIT_CHECKING = 1;
+ public static final int WORLD_INIT_CHECKED = 2;
+ public final java.util.concurrent.atomic.AtomicInteger checkInitialised = new java.util.concurrent.atomic.AtomicInteger(WORLD_INIT_NOT_CHECKED);
+ public ChunkPos randomSpawnSelection;
+
+ public static final record PendingTeleport(Entity.EntityTreeNode rootVehicle, Vec3 to) {}
+ private final it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<PendingTeleport> pendingTeleports = new it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<>();
+
+ public void pushPendingTeleport(final PendingTeleport teleport) {
+ synchronized (this.pendingTeleports) {
+ this.pendingTeleports.add(teleport);
+ }
+ }
+
+ public boolean removePendingTeleport(final PendingTeleport teleport) {
+ synchronized (this.pendingTeleports) {
+ return this.pendingTeleports.remove(teleport);
+ }
+ }
+
+ public List<PendingTeleport> removeAllRegionTeleports() {
+ final List<PendingTeleport> ret = new ArrayList<>();
+
+ synchronized (this.pendingTeleports) {
+ for (final Iterator<PendingTeleport> iterator = this.pendingTeleports.iterator(); iterator.hasNext(); ) {
+ final PendingTeleport pendingTeleport = iterator.next();
+ if (io.papermc.paper.util.TickThread.isTickThreadFor(this, pendingTeleport.to())) {
+ ret.add(pendingTeleport);
+ iterator.remove();
+ }
+ }
+ }
+
+ return ret;
+ }
+ // Folia end - region threading
// Add env and gen to constructor, IWorldDataServer -> WorldDataServer
public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, PrimaryLevelData iworlddataserver, ResourceKey<Level> resourcekey, LevelStem worlddimension, ChunkProgressListener worldloadlistener, boolean flag, long i, List<CustomSpawner> list, boolean flag1, @Nullable RandomSequences randomsequences, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {
@@ -697,13 +777,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
this.convertable = convertable_conversionsession;
this.uuid = WorldUUID.getUUID(convertable_conversionsession.levelDirectory.path().toFile());
// CraftBukkit end
- this.players = Lists.newArrayList();
- this.entityTickList = new EntityTickList();
- this.blockTicks = new LevelTicks<>(this::isPositionTickingWithEntitiesLoaded, this.getProfilerSupplier());
- this.fluidTicks = new LevelTicks<>(this::isPositionTickingWithEntitiesLoaded, this.getProfilerSupplier());
+ this.players = new java.util.concurrent.CopyOnWriteArrayList<>(); // Folia - region threading
+ //this.entityTickList = new EntityTickList(); // Folia - region threading
+ //this.blockTicks = new LevelTicks<>(this::isPositionTickingWithEntitiesLoaded, this.getProfilerSupplier()); // Folia - moved to RegioniedWorldData
+ //this.fluidTicks = new LevelTicks<>(this::isPositionTickingWithEntitiesLoaded, this.getProfilerSupplier()); // Folia - moved to RegioniedWorldData
this.navigatingMobs = new ObjectOpenHashSet();
- this.blockEvents = new ObjectLinkedOpenHashSet();
- this.blockEventsToReschedule = new ArrayList(64);
+ //this.blockEvents = new ObjectLinkedOpenHashSet(); // Folia - moved to RegioniedWorldData
+ //this.blockEventsToReschedule = new ArrayList(64); // Folia - moved to RegioniedWorldData
this.dragonParts = new Int2ObjectOpenHashMap();
this.tickTime = flag1;
this.server = minecraftserver;
@@ -742,7 +822,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
});
this.chunkSource.getGeneratorState().ensureStructuresGenerated();
this.portalForcer = new PortalForcer(this);
- this.updateSkyBrightness();
+ //this.updateSkyBrightness(); // Folia - region threading - delay until first tick
this.prepareWeather();
this.getWorldBorder().setAbsoluteMaxSize(minecraftserver.getAbsoluteMaxWorldSize());
this.raids = (Raids) this.getDataStorage().computeIfAbsent(Raids.factory(this), Raids.getFileId(this.dimensionTypeRegistration()));
@@ -769,7 +849,14 @@ public class ServerLevel extends Level implements WorldGenLevel {
this.chunkTaskScheduler = new io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler(this, io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler.workerThreads); // Paper - rewrite chunk system
this.entityLookup = new io.papermc.paper.chunk.system.entity.EntityLookup(this, new EntityCallbacks()); // Paper - rewrite chunk system
+ this.updateTickData(); // Folia - region threading - make sure it is initialised before ticked
+ }
+
+ // Folia start - region threading
+ public void updateTickData() {
+ this.tickData = new io.papermc.paper.threadedregions.RegionizedServer.WorldLevelData(this, this.serverLevelData.getGameTime(), this.serverLevelData.getDayTime());
}
+ // Folia end - region threading
// Paper start
@Override
@@ -802,44 +889,27 @@ public class ServerLevel extends Level implements WorldGenLevel {
return this.structureManager;
}
- public void tick(BooleanSupplier shouldKeepTicking) {
+ public void tick(BooleanSupplier shouldKeepTicking, io.papermc.paper.threadedregions.TickRegions.TickRegionData region) { // Folia - regionised ticking
+ final io.papermc.paper.threadedregions.RegionizedWorldData regionizedWorldData = this.getCurrentWorldData(); // Folia - regionised ticking
ProfilerFiller gameprofilerfiller = this.getProfiler();
- this.handlingTick = true;
+ regionizedWorldData.setHandlingTick(true); // Folia - regionised ticking
TickRateManager tickratemanager = this.tickRateManager();
boolean flag = tickratemanager.runsNormally();
if (flag) {
gameprofilerfiller.push("world border");
- this.getWorldBorder().tick();
+ if (region == null) this.getWorldBorder().tick(); // Folia - regionised ticking
gameprofilerfiller.popPush("weather");
- this.advanceWeatherCycle();
+ if (region == null) this.advanceWeatherCycle(); // Folia - regionised ticking
}
- int i = this.getGameRules().getInt(GameRules.RULE_PLAYERS_SLEEPING_PERCENTAGE);
+ //int i = this.getGameRules().getInt(GameRules.RULE_PLAYERS_SLEEPING_PERCENTAGE); // Folia - region threading - move into tickSleep
long j;
- if (this.sleepStatus.areEnoughSleeping(i) && this.sleepStatus.areEnoughDeepSleeping(i, this.players)) {
- // CraftBukkit start
- j = this.levelData.getDayTime() + 24000L;
- TimeSkipEvent event = new TimeSkipEvent(this.getWorld(), TimeSkipEvent.SkipReason.NIGHT_SKIP, (j - j % 24000L) - this.getDayTime());
- if (this.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT)) {
- this.getCraftServer().getPluginManager().callEvent(event);
- if (!event.isCancelled()) {
- this.setDayTime(this.getDayTime() + event.getSkipAmount());
- }
- }
+ if (region == null) this.tickSleep(); // Folia - region threading
- if (!event.isCancelled()) {
- this.wakeUpAllPlayers();
- }
- // CraftBukkit end
- if (this.getGameRules().getBoolean(GameRules.RULE_WEATHER_CYCLE) && this.isRaining()) {
- this.resetWeatherCycle();
- }
- }
-
- this.updateSkyBrightness();
+ if (region == null) this.updateSkyBrightness(); // Folia - region threading
if (flag) {
this.tickTime();
}
@@ -847,11 +917,11 @@ public class ServerLevel extends Level implements WorldGenLevel {
gameprofilerfiller.popPush("tickPending");
this.timings.scheduledBlocks.startTiming(); // Paper
if (!this.isDebug() && flag) {
- j = this.getGameTime();
+ j = regionizedWorldData.getRedstoneGameTime(); // Folia - region threading
gameprofilerfiller.push("blockTicks");
- this.blockTicks.tick(j, paperConfig().environment.maxBlockTicks, this::tickBlock); // Paper - configurable max block ticks
+ regionizedWorldData.getBlockLevelTicks().tick(j, paperConfig().environment.maxBlockTicks, this::tickBlock); // Paper - configurable max block ticks // Folia - region ticking
gameprofilerfiller.popPush("fluidTicks");
- this.fluidTicks.tick(j, paperConfig().environment.maxFluidTicks, this::tickFluid); // Paper - configurable max fluid ticks
+ regionizedWorldData.getFluidLevelTicks().tick(j, paperConfig().environment.maxFluidTicks, this::tickFluid); // Paper - configurable max fluid ticks // Folia - region ticking
gameprofilerfiller.pop();
}
this.timings.scheduledBlocks.stopTiming(); // Paper
@@ -874,9 +944,9 @@ public class ServerLevel extends Level implements WorldGenLevel {
this.timings.doSounds.stopTiming(); // Spigot
}
- this.handlingTick = false;
+ regionizedWorldData.setHandlingTick(false); // Folia - regionised ticking
gameprofilerfiller.pop();
- boolean flag1 = !paperConfig().unsupportedSettings.disableWorldTickingWhenEmpty || !this.players.isEmpty() || !this.getForcedChunks().isEmpty(); // CraftBukkit - this prevents entity cleanup, other issues on servers with no players // Paper - restore this
+ boolean flag1 = true || !this.players.isEmpty() || !this.getForcedChunks().isEmpty(); // CraftBukkit - this prevents entity cleanup, other issues on servers with no players // Paper - restore this // Folia - unrestore this, we always need to tick empty worlds
if (flag1) {
this.resetEmptyTime();
@@ -886,20 +956,30 @@ public class ServerLevel extends Level implements WorldGenLevel {
gameprofilerfiller.push("entities");
this.timings.tickEntities.startTiming(); // Spigot
if (this.dragonFight != null && flag) {
+ if (io.papermc.paper.util.TickThread.isTickThreadFor(this, this.dragonFight.origin)) { // Folia - region threading
gameprofilerfiller.push("dragonFight");
this.dragonFight.tick();
gameprofilerfiller.pop();
+ } else { // Folia start - region threading
+ // try to load dragon fight
+ ChunkPos fightCenter = new ChunkPos(this.dragonFight.origin);
+ this.chunkSource.addTicketAtLevel(
+ TicketType.UNKNOWN, fightCenter, io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL,
+ fightCenter
+ );
+ } // Folia end - region threading
}
org.spigotmc.ActivationRange.activateEntities(this); // Spigot
this.timings.entityTick.startTiming(); // Spigot
- this.entityTickList.forEach((entity) -> {
+ regionizedWorldData.forEachTickingEntity((entity) -> { // Folia - regionised ticking
if (!entity.isRemoved()) {
if (false && this.shouldDiscardEntity(entity)) { // CraftBukkit - We prevent spawning in general, so this butchering is not needed
entity.discard();
} else if (!tickratemanager.isEntityFrozen(entity)) {
gameprofilerfiller.push("checkDespawn");
entity.checkDespawn();
+ if (entity.isRemoved()) return; // Folia - region threading - if we despawned, DON'T TICK IT!
gameprofilerfiller.pop();
if (true || this.chunkSource.chunkMap.getDistanceManager().inEntityTickingRange(entity.chunkPosition().toLong())) { // Paper - now always true if in the ticking list
Entity entity1 = entity.getVehicle();
@@ -930,6 +1010,31 @@ public class ServerLevel extends Level implements WorldGenLevel {
gameprofilerfiller.pop();
}
+ // Folia start - region threading
+ public void tickSleep() {
+ int i = this.getGameRules().getInt(GameRules.RULE_PLAYERS_SLEEPING_PERCENTAGE); long j; // Folia moved from tick loop
+ if (this.sleepStatus.areEnoughSleeping(i) && this.sleepStatus.areEnoughDeepSleeping(i, this.players)) {
+ // CraftBukkit start
+ j = this.levelData.getDayTime() + 24000L;
+ TimeSkipEvent event = new TimeSkipEvent(this.getWorld(), TimeSkipEvent.SkipReason.NIGHT_SKIP, (j - j % 24000L) - this.getDayTime());
+ if (this.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT)) {
+ this.getCraftServer().getPluginManager().callEvent(event);
+ if (!event.isCancelled()) {
+ this.setDayTime(this.getDayTime() + event.getSkipAmount());
+ }
+ }
+
+ if (!event.isCancelled()) {
+ this.wakeUpAllPlayers();
+ }
+ // CraftBukkit end
+ if (this.getGameRules().getBoolean(GameRules.RULE_WEATHER_CYCLE) && this.isRaining()) {
+ this.resetWeatherCycle();
+ }
+ }
+ }
+ // Folia end - region threading
+
@Override
public boolean shouldTickBlocksAt(long chunkPos) {
// Paper start - replace player chunk loader system
@@ -940,11 +1045,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
protected void tickTime() {
if (this.tickTime) {
- long i = this.levelData.getGameTime() + 1L;
+ io.papermc.paper.threadedregions.RegionizedWorldData regionizedWorldData = this.getCurrentWorldData(); // Folia - region threading
+ long i = regionizedWorldData.getRedstoneGameTime() + 1L; // Folia - region threading
- this.serverLevelData.setGameTime(i);
- this.serverLevelData.getScheduledEvents().tick(this.server, i);
- if (this.levelData.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT)) {
+ regionizedWorldData.setRedstoneGameTime(i); // Folia - region threading
+ if (false) this.serverLevelData.getScheduledEvents().tick(this.server, i); // Folia - region threading - TODO any way to bring this in?
+ if (false && this.levelData.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT)) { // Folia - region threading
this.setDayTime(this.levelData.getDayTime() + 1L);
}
@@ -973,15 +1079,23 @@ public class ServerLevel extends Level implements WorldGenLevel {
private void wakeUpAllPlayers() {
this.sleepStatus.removeAllSleepers();
(this.players.stream().filter(LivingEntity::isSleeping).collect(Collectors.toList())).forEach((entityplayer) -> { // CraftBukkit - decompile error
- entityplayer.stopSleepInBed(false, false);
+ // Folia start - region threading
+ entityplayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> {
+ if (player.level() != ServerLevel.this || !player.isSleeping()) {
+ return;
+ }
+ player.stopSleepInBed(false, false);
+ }, null, 1L);
+ // Folia end - region threading
});
}
// Paper start - optimise random block ticking
- private final BlockPos.MutableBlockPos chunkTickMutablePosition = new BlockPos.MutableBlockPos();
- private final io.papermc.paper.util.math.ThreadUnsafeRandom randomTickRandom = new io.papermc.paper.util.math.ThreadUnsafeRandom(this.random.nextLong());
+ private final ThreadLocal<BlockPos.MutableBlockPos> chunkTickMutablePosition = ThreadLocal.withInitial(() -> new BlockPos.MutableBlockPos()); // Folia - region threading
+ private final ThreadLocal<io.papermc.paper.util.math.ThreadUnsafeRandom> randomTickRandom = ThreadLocal.withInitial(() -> new io.papermc.paper.util.math.ThreadUnsafeRandom(this.random.nextLong())); // Folia - region threading
// Paper end
public void tickChunk(LevelChunk chunk, int randomTickSpeed) {
+ io.papermc.paper.util.math.ThreadUnsafeRandom randomTickRandom = this.randomTickRandom.get(); // Folia - region threading
ChunkPos chunkcoordintpair = chunk.getPos();
boolean flag = this.isRaining();
int j = chunkcoordintpair.getMinBlockX();
@@ -989,7 +1103,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
ProfilerFiller gameprofilerfiller = this.getProfiler();
gameprofilerfiller.push("thunder");
- final BlockPos.MutableBlockPos blockposition = this.chunkTickMutablePosition; // Paper - use mutable to reduce allocation rate, final to force compile fail on change
+ final BlockPos.MutableBlockPos blockposition = this.chunkTickMutablePosition.get(); // Paper - use mutable to reduce allocation rate, final to force compile fail on change // Folia - region threading
if (!this.paperConfig().environment.disableThunder && flag && this.isThundering() && this.spigotConfig.thunderChance > 0 && this.random.nextInt(this.spigotConfig.thunderChance) == 0) { // Spigot // Paper - Option to disable thunder
blockposition.set(this.findLightningTargetAround(this.getBlockRandomPos(j, 0, k, 15))); // Paper
@@ -1045,7 +1159,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
int yPos = (sectionIndex + minSection) << 4;
for (int a = 0; a < randomTickSpeed; ++a) {
int tickingBlocks = section.tickingList.size();
- int index = this.randomTickRandom.nextInt(16 * 16 * 16);
+ int index = randomTickRandom.nextInt(16 * 16 * 16); // Folia - region threading
if (index >= tickingBlocks) {
continue;
}
@@ -1059,7 +1173,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
BlockPos blockposition2 = blockposition.set(j + randomX, randomY, k + randomZ);
BlockState iblockdata = com.destroystokyo.paper.util.maplist.IBlockDataList.getBlockDataFromRaw(raw);
- iblockdata.randomTick(this, blockposition2, this.randomTickRandom);
+ iblockdata.randomTick(this, blockposition2, randomTickRandom); // Folia - region threading
}
// We drop the fluid tick since LAVA is ALREADY TICKED by the above method (See LiquidBlock).
// TODO CHECK ON UPDATE (ping the Canadian)
@@ -1164,7 +1278,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
public boolean isHandlingTick() {
- return this.handlingTick;
+ return this.getCurrentWorldData().isHandlingTick(); // Folia - regionised ticking
}
public boolean canSleepThroughNights() {
@@ -1196,6 +1310,14 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
public void updateSleepingPlayerList() {
+ // Folia start - region threading
+ if (!io.papermc.paper.threadedregions.RegionizedServer.isGlobalTickThread()) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ ServerLevel.this.updateSleepingPlayerList();
+ });
+ return;
+ }
+ // Folia end - region threading
if (!this.players.isEmpty() && this.sleepStatus.update(this.players)) {
this.announceSleepStatus();
}
@@ -1207,7 +1329,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
return this.server.getScoreboard();
}
- private void advanceWeatherCycle() {
+ public void advanceWeatherCycle() { // Folia - region threading - public
boolean flag = this.isRaining();
if (this.dimensionType().hasSkyLight()) {
@@ -1293,23 +1415,24 @@ public class ServerLevel extends Level implements WorldGenLevel {
this.server.getPlayerList().broadcastAll(new PacketPlayOutGameStateChange(PacketPlayOutGameStateChange.THUNDER_LEVEL_CHANGE, this.thunderLevel));
}
// */
- for (int idx = 0; idx < this.players.size(); ++idx) {
- if (((ServerPlayer) this.players.get(idx)).level() == this) {
- ((ServerPlayer) this.players.get(idx)).tickWeather();
+ ServerPlayer[] players = this.players.toArray(new ServerPlayer[0]); // Folia - region threading
+ for (ServerPlayer player : players) { // Folia - region threading
+ if (player.level() == this) { // Folia - region threading
+ player.tickWeather(); // Folia - region threading
}
}
if (flag != this.isRaining()) {
// Only send weather packets to those affected
- for (int idx = 0; idx < this.players.size(); ++idx) {
- if (((ServerPlayer) this.players.get(idx)).level() == this) {
- ((ServerPlayer) this.players.get(idx)).setPlayerWeather((!flag ? WeatherType.DOWNFALL : WeatherType.CLEAR), false);
+ for (ServerPlayer player : players) { // Folia - region threading
+ if (player.level() == this) { // Folia - region threading
+ player.setPlayerWeather((!flag ? WeatherType.DOWNFALL : WeatherType.CLEAR), false); // Folia - region threading
}
}
}
- for (int idx = 0; idx < this.players.size(); ++idx) {
- if (((ServerPlayer) this.players.get(idx)).level() == this) {
- ((ServerPlayer) this.players.get(idx)).updateWeather(this.oRainLevel, this.rainLevel, this.oThunderLevel, this.thunderLevel);
+ for (ServerPlayer player : players) { // Folia - region threading
+ if (player.level() == this) { // Folia - region threading
+ player.updateWeather(this.oRainLevel, this.rainLevel, this.oThunderLevel, this.thunderLevel); // Folia - region threading
}
}
// CraftBukkit end
@@ -1374,7 +1497,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void tickNonPassenger(Entity entity) {
// Paper start - log detailed entity tick information
- io.papermc.paper.util.TickThread.ensureTickThread("Cannot tick an entity off-main");
+ io.papermc.paper.util.TickThread.ensureTickThread(entity, "Cannot tick an entity off-main"); // Folia - region threading
try {
if (currentlyTickingEntity.get() == null) {
currentlyTickingEntity.lazySet(entity);
@@ -1407,7 +1530,16 @@ public class ServerLevel extends Level implements WorldGenLevel {
if (isActive) { // Paper - EAR 2
TimingHistory.activatedEntityTicks++;
entity.tick();
- entity.postTick(); // CraftBukkit
+ // Folia start - region threading
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(entity)) {
+ // removed from region while ticking
+ return;
+ }
+ if (entity.doPortalLogic()) {
+ // portalled
+ return;
+ }
+ // Folia end - region threading
} else { entity.inactiveTick(); } // Paper - EAR 2
this.getProfiler().pop();
} finally { timer.stopTiming(); } // Paper - timings
@@ -1430,7 +1562,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
private void tickPassenger(Entity vehicle, Entity passenger) {
if (!passenger.isRemoved() && passenger.getVehicle() == vehicle) {
- if (passenger instanceof Player || this.entityTickList.contains(passenger)) {
+ if (passenger instanceof Player || this.getCurrentWorldData().hasEntityTickingEntity(passenger)) { // Folia - region threading
// Paper - EAR 2
final boolean isActive = org.spigotmc.ActivationRange.checkIfActive(passenger);
co.aikar.timings.Timing timer = isActive ? passenger.getType().passengerTickTimer.startTiming() : passenger.getType().passengerInactiveTickTimer.startTiming(); // Paper
@@ -1447,7 +1579,16 @@ public class ServerLevel extends Level implements WorldGenLevel {
// Paper start - EAR 2
if (isActive) {
passenger.rideTick();
- passenger.postTick(); // CraftBukkit
+ // Folia start - region threading
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(passenger)) {
+ // removed from region while ticking
+ return;
+ }
+ if (passenger.doPortalLogic()) {
+ // portalled
+ return;
+ }
+ // Folia end - region threading
} else {
passenger.setDeltaMovement(Vec3.ZERO);
passenger.inactiveTick();
@@ -1536,20 +1677,22 @@ public class ServerLevel extends Level implements WorldGenLevel {
} else if (close) { chunkproviderserver.close(false); } // Paper - rewrite chunk system
- // CraftBukkit start - moved from MinecraftServer.saveChunks
- ServerLevel worldserver1 = this;
-
- this.serverLevelData.setWorldBorder(worldserver1.getWorldBorder().createSettings());
- this.serverLevelData.setCustomBossEvents(this.server.getCustomBossEvents().save());
- this.convertable.saveDataTag(this.server.registryAccess(), this.serverLevelData, this.server.getPlayerList().getSingleplayerData());
- // CraftBukkit end
+ // Folia - move into saveLevelData
}
- private void saveLevelData(boolean async) { // Paper - Write SavedData IO async
+ public void saveLevelData(boolean async) { // Paper - Write SavedData IO async // Folia - public
if (this.dragonFight != null) {
this.serverLevelData.setEndDragonFightData(this.dragonFight.saveData()); // CraftBukkit
}
+ // Folia start - moved into saveLevelData
+ ServerLevel worldserver1 = this;
+
+ this.serverLevelData.setWorldBorder(worldserver1.getWorldBorder().createSettings());
+ this.serverLevelData.setCustomBossEvents(this.server.getCustomBossEvents().save());
+ this.convertable.saveDataTag(this.server.registryAccess(), this.serverLevelData, this.server.getPlayerList().getSingleplayerData());
+ // Folia end - moved into saveLevelData
+
this.getChunkSource().getDataStorage().save(async); // Paper - Write SavedData IO async
}
@@ -1603,6 +1746,19 @@ public class ServerLevel extends Level implements WorldGenLevel {
return list;
}
+ // Folia start - region threading
+ @Nullable
+ public ServerPlayer getRandomLocalPlayer() {
+ List<ServerPlayer> list = this.getLocalPlayers();
+ list = new java.util.ArrayList<>(list);
+ list.removeIf((ServerPlayer player) -> {
+ return !player.isAlive();
+ });
+
+ return list.isEmpty() ? null : (ServerPlayer) list.get(this.random.nextInt(list.size()));
+ }
+ // Folia end - region threading
+
@Nullable
public ServerPlayer getRandomPlayer() {
List<ServerPlayer> list = this.getPlayers(LivingEntity::isAlive);
@@ -1690,8 +1846,8 @@ public class ServerLevel extends Level implements WorldGenLevel {
} else {
if (entity instanceof net.minecraft.world.entity.item.ItemEntity itemEntity && itemEntity.getItem().isEmpty()) return false; // Paper - Prevent empty items from being added
// Paper start - capture all item additions to the world
- if (captureDrops != null && entity instanceof net.minecraft.world.entity.item.ItemEntity) {
- captureDrops.add((net.minecraft.world.entity.item.ItemEntity) entity);
+ if (this.getCurrentWorldData().captureDrops != null && entity instanceof net.minecraft.world.entity.item.ItemEntity) { // Folia - region threading
+ this.getCurrentWorldData().captureDrops.add((net.minecraft.world.entity.item.ItemEntity) entity); // Folia - region threading
return true;
}
// Paper end - capture all item additions to the world
@@ -1835,7 +1991,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
@Override
public void sendBlockUpdated(BlockPos pos, BlockState oldState, BlockState newState, int flags) {
- if (this.isUpdatingNavigations) {
+ if (false && this.isUpdatingNavigations) { // Folia - region threading
String s = "recursive call to sendBlockUpdated";
Util.logAndPauseIfInIde("recursive call to sendBlockUpdated", new IllegalStateException("recursive call to sendBlockUpdated"));
@@ -1848,7 +2004,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
if (Shapes.joinIsNotEmpty(voxelshape, voxelshape1, BooleanOp.NOT_SAME)) {
List<PathNavigation> list = new ObjectArrayList();
- Iterator iterator = this.navigatingMobs.iterator();
+ Iterator iterator = this.getCurrentWorldData().getNavigatingMobs(); // Folia - region threading
while (iterator.hasNext()) {
// CraftBukkit start - fix SPIGOT-6362
@@ -1871,7 +2027,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
try {
- this.isUpdatingNavigations = true;
+ //this.isUpdatingNavigations = true; // Folia - region threading
iterator = list.iterator();
while (iterator.hasNext()) {
@@ -1880,7 +2036,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
navigationabstract1.recomputePath();
}
} finally {
- this.isUpdatingNavigations = false;
+ //this.isUpdatingNavigations = false; // Folia - region threading
}
}
@@ -1889,23 +2045,23 @@ public class ServerLevel extends Level implements WorldGenLevel {
@Override
public void updateNeighborsAt(BlockPos pos, Block sourceBlock) {
- if (captureBlockStates) { return; } // Paper - Cancel all physics during placement
- this.neighborUpdater.updateNeighborsAtExceptFromFacing(pos, sourceBlock, (Direction) null);
+ if (this.getCurrentWorldData().captureBlockStates) { return; } // Paper - Cancel all physics during placement // Folia - region threading
+ this.getCurrentWorldData().neighborUpdater.updateNeighborsAtExceptFromFacing(pos, sourceBlock, (Direction) null); // Folia - region threading
}
@Override
public void updateNeighborsAtExceptFromFacing(BlockPos pos, Block sourceBlock, Direction direction) {
- this.neighborUpdater.updateNeighborsAtExceptFromFacing(pos, sourceBlock, direction);
+ this.getCurrentWorldData().neighborUpdater.updateNeighborsAtExceptFromFacing(pos, sourceBlock, direction); // Folia - region threading
}
@Override
public void neighborChanged(BlockPos pos, Block sourceBlock, BlockPos sourcePos) {
- this.neighborUpdater.neighborChanged(pos, sourceBlock, sourcePos);
+ this.getCurrentWorldData().neighborUpdater.neighborChanged(pos, sourceBlock, sourcePos); // Folia - region threading
}
@Override
public void neighborChanged(BlockState state, BlockPos pos, Block sourceBlock, BlockPos sourcePos, boolean notify) {
- this.neighborUpdater.neighborChanged(state, pos, sourceBlock, sourcePos, notify);
+ this.getCurrentWorldData().neighborUpdater.neighborChanged(state, pos, sourceBlock, sourcePos, notify); // Folia - region threading
}
@Override
@@ -1936,7 +2092,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
explosion.clearToBlow();
}
- Iterator iterator = this.players.iterator();
+ Iterator iterator = this.getLocalPlayers().iterator(); // Folia - region thraeding
while (iterator.hasNext()) {
ServerPlayer entityplayer = (ServerPlayer) iterator.next();
@@ -1951,25 +2107,28 @@ public class ServerLevel extends Level implements WorldGenLevel {
@Override
public void blockEvent(BlockPos pos, Block block, int type, int data) {
- this.blockEvents.add(new BlockEventData(pos, block, type, data));
+ this.getCurrentWorldData().pushBlockEvent(new BlockEventData(pos, block, type, data)); // Folia - regionised ticking
}
private void runBlockEvents() {
- this.blockEventsToReschedule.clear();
+ List<BlockEventData> blockEventsToReschedule = new ArrayList<>(64); // Folia - regionised ticking
- while (!this.blockEvents.isEmpty()) {
- BlockEventData blockactiondata = (BlockEventData) this.blockEvents.removeFirst();
+ // Folia start - regionised ticking
+ io.papermc.paper.threadedregions.RegionizedWorldData worldRegionData = this.getCurrentWorldData();
+ BlockEventData blockactiondata;
+ while ((blockactiondata = worldRegionData.removeFirstBlockEvent()) != null) {
+ // Folia end - regionised ticking
if (this.shouldTickBlocksAt(blockactiondata.pos())) {
if (this.doBlockEvent(blockactiondata)) {
this.server.getPlayerList().broadcast((Player) null, (double) blockactiondata.pos().getX(), (double) blockactiondata.pos().getY(), (double) blockactiondata.pos().getZ(), 64.0D, this.dimension(), new ClientboundBlockEventPacket(blockactiondata.pos(), blockactiondata.block(), blockactiondata.paramA(), blockactiondata.paramB()));
}
} else {
- this.blockEventsToReschedule.add(blockactiondata);
+ blockEventsToReschedule.add(blockactiondata); // Folia - regionised ticking
}
}
- this.blockEvents.addAll(this.blockEventsToReschedule);
+ worldRegionData.pushBlockEvents(blockEventsToReschedule); // Folia - regionised ticking
}
private boolean doBlockEvent(BlockEventData event) {
@@ -1980,12 +2139,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
@Override
public LevelTicks<Block> getBlockTicks() {
- return this.blockTicks;
+ return this.getCurrentWorldData().getBlockLevelTicks(); // Folia - region ticking
}
@Override
public LevelTicks<Fluid> getFluidTicks() {
- return this.fluidTicks;
+ return this.getCurrentWorldData().getFluidLevelTicks(); // Folia - region ticking
}
@Nonnull
@@ -2009,7 +2168,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
public <T extends ParticleOptions> int sendParticles(ServerPlayer sender, T t0, double d0, double d1, double d2, int i, double d3, double d4, double d5, double d6, boolean force) {
// Paper start - Particle API
- return sendParticles(players, sender, t0, d0, d1, d2, i, d3, d4, d5, d6, force);
+ return sendParticles(this.getLocalPlayers(), sender, t0, d0, d1, d2, i, d3, d4, d5, d6, force); // Folia - region threading
}
public <T extends ParticleOptions> int sendParticles(List<ServerPlayer> receivers, @Nullable ServerPlayer sender, T t0, double d0, double d1, double d2, int i, double d3, double d4, double d5, double d6, boolean force) {
// Paper end - Particle API
@@ -2062,7 +2221,14 @@ public class ServerLevel extends Level implements WorldGenLevel {
public Entity getEntityOrPart(int id) {
Entity entity = (Entity) this.getEntities().get(id);
- return entity != null ? entity : (Entity) this.dragonParts.get(id);
+ // Folia start - region threading
+ if (entity != null) {
+ return entity;
+ }
+ synchronized (this.dragonParts) {
+ return this.dragonParts.get(id);
+ }
+ // Folia end - region threading
}
@Nullable
@@ -2240,6 +2406,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
public boolean setChunkForced(int x, int z, boolean forced) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify force loaded chunks off of the global region"); // Folia - region threading
ForcedChunksSavedData forcedchunk = (ForcedChunksSavedData) this.getDataStorage().computeIfAbsent(ForcedChunksSavedData.factory(), "chunks");
ChunkPos chunkcoordintpair = new ChunkPos(x, z);
long k = chunkcoordintpair.toLong();
@@ -2248,7 +2415,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
if (forced) {
flag1 = forcedchunk.getChunks().add(k);
if (flag1) {
- this.getChunk(x, z);
+ //this.getChunk(x, z); // Folia - region threading - we must let the chunk load asynchronously
}
} else {
flag1 = forcedchunk.getChunks().remove(k);
@@ -2276,13 +2443,18 @@ public class ServerLevel extends Level implements WorldGenLevel {
BlockPos blockposition1 = pos.immutable();
optional.ifPresent((holder) -> {
- this.getServer().execute(() -> {
+ Runnable run = () -> { // Folia - region threading
this.getPoiManager().remove(blockposition1);
DebugPackets.sendPoiRemovedPacket(this, blockposition1);
- });
+ }; // Folia - region threading
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueChunkTask(
+ this, blockposition1.getX() >> 4, blockposition1.getZ() >> 4, run
+ );
+ // Folia end - region threading
});
optional1.ifPresent((holder) -> {
- this.getServer().execute(() -> {
+ Runnable run = () -> { // Folia - region threading
// Paper start - Remove stale POIs
if (optional.isEmpty() && this.getPoiManager().exists(blockposition1, poiType -> true)) {
this.getPoiManager().remove(blockposition1);
@@ -2290,7 +2462,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
// Paper end - Remove stale POIs
this.getPoiManager().add(blockposition1, holder);
DebugPackets.sendPoiAddedPacket(this, blockposition1);
- });
+ }; // Folia - region threading
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueChunkTask(
+ this, blockposition1.getX() >> 4, blockposition1.getZ() >> 4, run
+ );
+ // Folia end - region threading
});
}
}
@@ -2337,7 +2514,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
BufferedWriter bufferedwriter = Files.newBufferedWriter(path.resolve("stats.txt"));
try {
- bufferedwriter.write(String.format(Locale.ROOT, "spawning_chunks: %d\n", playerchunkmap.getDistanceManager().getNaturalSpawnChunkCount()));
+ //bufferedwriter.write(String.format(Locale.ROOT, "spawning_chunks: %d\n", playerchunkmap.getDistanceManager().getNaturalSpawnChunkCount())); // Folia - region threading
NaturalSpawner.SpawnState spawnercreature_d = this.getChunkSource().getLastSpawnState();
if (spawnercreature_d != null) {
@@ -2351,7 +2528,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
bufferedwriter.write(String.format(Locale.ROOT, "entities: %s\n", this.entityLookup.getDebugInfo())); // Paper - rewrite chunk system
- bufferedwriter.write(String.format(Locale.ROOT, "block_entity_tickers: %d\n", this.blockEntityTickers.size()));
+ //bufferedwriter.write(String.format(Locale.ROOT, "block_entity_tickers: %d\n", this.blockEntityTickers.size())); // Folia - region threading
bufferedwriter.write(String.format(Locale.ROOT, "block_ticks: %d\n", this.getBlockTicks().count()));
bufferedwriter.write(String.format(Locale.ROOT, "fluid_ticks: %d\n", this.getFluidTicks().count()));
bufferedwriter.write("distance_manager: " + playerchunkmap.getDistanceManager().getDebugStatus() + "\n");
@@ -2497,7 +2674,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
private void dumpBlockEntityTickers(Writer writer) throws IOException {
CsvOutput csvwriter = CsvOutput.builder().addColumn("x").addColumn("y").addColumn("z").addColumn("type").build(writer);
- Iterator iterator = this.blockEntityTickers.iterator();
+ Iterator iterator = null; // Folia - region threading
while (iterator.hasNext()) {
TickingBlockEntity tickingblockentity = (TickingBlockEntity) iterator.next();
@@ -2510,7 +2687,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
@VisibleForTesting
public void clearBlockEvents(BoundingBox box) {
- this.blockEvents.removeIf((blockactiondata) -> {
+ this.getCurrentWorldData().removeIfBlockEvents((blockactiondata) -> { // Folia - regionised ticking
return box.isInside(blockactiondata.pos());
});
}
@@ -2519,7 +2696,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void blockUpdated(BlockPos pos, Block block) {
if (!this.isDebug()) {
// CraftBukkit start
- if (this.populating) {
+ if (this.getCurrentWorldData().populating) { // Folia - region threading
return;
}
// CraftBukkit end
@@ -2562,9 +2739,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
@VisibleForTesting
public String getWatchdogStats() {
- return String.format(Locale.ROOT, "players: %s, entities: %s [%s], block_entities: %d [%s], block_ticks: %d, fluid_ticks: %d, chunk_source: %s", this.players.size(), this.entityLookup.getDebugInfo(), ServerLevel.getTypeCount(this.entityLookup.getAll(), (entity) -> { // Paper - rewrite chunk system
- return BuiltInRegistries.ENTITY_TYPE.getKey(entity.getType()).toString();
- }), this.blockEntityTickers.size(), ServerLevel.getTypeCount(this.blockEntityTickers, TickingBlockEntity::getType), this.getBlockTicks().count(), this.getFluidTicks().count(), this.gatherChunkSourceStats());
+ return "region threading"; // Folia - region threading
}
private static <T> String getTypeCount(Iterable<T> items, Function<T, String> classifier) {
@@ -2597,6 +2772,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
public static void makeObsidianPlatform(ServerLevel worldserver, Entity entity) {
// CraftBukkit end
BlockPos blockposition = ServerLevel.END_SPAWN_POINT;
+ // Folia start - region threading
+ makeObsidianPlatform(worldserver, entity, blockposition);
+ }
+
+ public static void makeObsidianPlatform(ServerLevel worldserver, Entity entity, BlockPos blockposition) {
+ // Folia end - region threading
int i = blockposition.getX();
int j = blockposition.getY() - 2;
int k = blockposition.getZ();
@@ -2609,11 +2790,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
BlockPos.betweenClosed(i - 2, j, k - 2, i + 2, j, k + 2).forEach((blockposition1) -> {
blockList.setBlock(blockposition1, Blocks.OBSIDIAN.defaultBlockState(), 3);
});
- org.bukkit.World bworld = worldserver.getWorld();
- org.bukkit.event.world.PortalCreateEvent portalEvent = new org.bukkit.event.world.PortalCreateEvent((List<org.bukkit.block.BlockState>) (List) blockList.getList(), bworld, (entity == null) ? null : entity.getBukkitEntity(), org.bukkit.event.world.PortalCreateEvent.CreateReason.END_PLATFORM);
-
- worldserver.getCraftServer().getPluginManager().callEvent(portalEvent);
- if (!portalEvent.isCancelled()) {
+ if (true) { // Folia - region threading
blockList.updateList();
}
// CraftBukkit end
@@ -2634,13 +2811,14 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
public void startTickingChunk(LevelChunk chunk) {
- chunk.unpackTicks(this.getLevelData().getGameTime());
+ chunk.unpackTicks(this.getRedstoneGameTime()); // Folia - region threading
}
public void onStructureStartsAvailable(ChunkAccess chunk) {
- this.server.execute(() -> {
- this.structureCheck.onStructureLoad(chunk.getPos(), chunk.getAllStarts());
- });
+ // Folia start - region threading
+ // no longer needs to be on main
+ this.structureCheck.onStructureLoad(chunk.getPos(), chunk.getAllStarts());
+ // Folia end - region threading
}
@Override
@@ -2662,7 +2840,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
// Paper end - rewrite chunk system
}
- private boolean isPositionTickingWithEntitiesLoaded(long chunkPos) {
+ public boolean isPositionTickingWithEntitiesLoaded(long chunkPos) { // Folia - region threaded - make public
// Paper start - optimize is ticking ready type functions
io.papermc.paper.chunk.system.scheduling.NewChunkHolder chunkHolder = this.chunkTaskScheduler.chunkHolderManager.getChunkHolder(chunkPos);
// isTicking implies the chunk is loaded, and the chunk is loaded now implies the entities are loaded
@@ -2717,7 +2895,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
// Paper start - optimize redstone (Alternate Current)
@Override
public alternate.current.wire.WireHandler getWireHandler() {
- return wireHandler;
+ return this.getCurrentWorldData().wireHandler; // Folia - region threading - move to regionised data
}
// Paper end - optimize redstone (Alternate Current)
@@ -2728,16 +2906,16 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void onCreated(Entity entity) {}
public void onDestroyed(Entity entity) {
- ServerLevel.this.getScoreboard().entityRemoved(entity);
+ // ServerLevel.this.getScoreboard().entityRemoved(entity); // Folia - region threading
}
public void onTickingStart(Entity entity) {
if (entity instanceof net.minecraft.world.entity.Marker && !paperConfig().entities.markers.tick) return; // Paper - Configurable marker ticking
- ServerLevel.this.entityTickList.add(entity);
+ ServerLevel.this.getCurrentWorldData().addEntityTickingEntity(entity); // Folia - region threading
}
public void onTickingEnd(Entity entity) {
- ServerLevel.this.entityTickList.remove(entity);
+ ServerLevel.this.getCurrentWorldData().removeEntityTickingEntity(entity); // Folia - region threading
// Paper start - Reset pearls when they stop being ticked
if (paperConfig().fixes.disableUnloadedChunkEnderpearlExploit && entity instanceof net.minecraft.world.entity.projectile.ThrownEnderpearl pearl) {
pearl.cachedOwner = null;
@@ -2748,6 +2926,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void onTrackingStart(Entity entity) {
org.spigotmc.AsyncCatcher.catchOp("entity register"); // Spigot
+ ServerLevel.this.getCurrentWorldData().addLoadedEntity(entity); // Folia - region threading
// ServerLevel.this.getChunkSource().addEntity(entity); // Paper - ignore and warn about illegal addEntity calls instead of crashing server; moved down below valid=true
if (entity instanceof ServerPlayer) {
ServerPlayer entityplayer = (ServerPlayer) entity;
@@ -2765,7 +2944,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
Util.logAndPauseIfInIde("onTrackingStart called during navigation iteration", new IllegalStateException("onTrackingStart called during navigation iteration"));
}
- ServerLevel.this.navigatingMobs.add(entityinsentient);
+ ServerLevel.this.getCurrentWorldData().addNavigatingMob(entityinsentient); // Folia - region threading
}
if (entity instanceof EnderDragon) {
@@ -2776,7 +2955,9 @@ public class ServerLevel extends Level implements WorldGenLevel {
for (int j = 0; j < i; ++j) {
EnderDragonPart entitycomplexpart = aentitycomplexpart[j];
+ synchronized (ServerLevel.this.dragonParts) { // Folia - region threading
ServerLevel.this.dragonParts.put(entitycomplexpart.getId(), entitycomplexpart);
+ } // Folia - region threading
}
}
@@ -2798,16 +2979,24 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void onTrackingEnd(Entity entity) {
org.spigotmc.AsyncCatcher.catchOp("entity unregister"); // Spigot
+ ServerLevel.this.getCurrentWorldData().removeLoadedEntity(entity);
// Spigot start
if ( entity instanceof Player )
{
com.google.common.collect.Streams.stream( ServerLevel.this.getServer().getAllLevels() ).map( ServerLevel::getDataStorage ).forEach( (worldData) ->
{
- for (Object o : worldData.cache.values() )
+ // Folia start - make map data thread-safe
+ List<Object> worldDataCache;
+ synchronized (worldData.cache) {
+ worldDataCache = new java.util.ArrayList<>(worldData.cache.values());
+ }
+ for (Object o : worldDataCache )
+ // Folia end - make map data thread-safe
{
if ( o instanceof MapItemSavedData )
{
MapItemSavedData map = (MapItemSavedData) o;
+ synchronized (map) { // Folia - make map data thread-safe
map.carriedByPlayers.remove( (Player) entity );
for ( Iterator<MapItemSavedData.HoldingPlayer> iter = (Iterator<MapItemSavedData.HoldingPlayer>) map.carriedBy.iterator(); iter.hasNext(); )
{
@@ -2817,6 +3006,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
iter.remove();
}
}
+ } // Folia - make map data thread-safe
}
}
} );
@@ -2851,7 +3041,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
Util.logAndPauseIfInIde("onTrackingStart called during navigation iteration", new IllegalStateException("onTrackingStart called during navigation iteration"));
}
- ServerLevel.this.navigatingMobs.remove(entityinsentient);
+ ServerLevel.this.getCurrentWorldData().removeNavigatingMob(entityinsentient); // Folia - region threading
}
if (entity instanceof EnderDragon) {
@@ -2862,13 +3052,16 @@ public class ServerLevel extends Level implements WorldGenLevel {
for (int j = 0; j < i; ++j) {
EnderDragonPart entitycomplexpart = aentitycomplexpart[j];
+ synchronized (ServerLevel.this.dragonParts) { // Folia - region threading
ServerLevel.this.dragonParts.remove(entitycomplexpart.getId());
+ } // Folia - region threading
}
}
entity.updateDynamicGameEventListener(DynamicGameEventListener::remove);
// CraftBukkit start
entity.valid = false;
+ // Folia - region threading - TODO THIS SHIT
if (!(entity instanceof ServerPlayer)) {
for (ServerPlayer player : ServerLevel.this.players) {
player.getBukkitEntity().onEntityRemove(entity);
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 58591bf2f63b9c5e97d9ce4188dff3366968a178..add6fc106d3c38d97b48ec0df3ac2515c8c0486e 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -191,7 +191,7 @@ import org.bukkit.inventory.MainHand;
public class ServerPlayer extends Player {
private static final Logger LOGGER = LogUtils.getLogger();
- public long lastSave = MinecraftServer.currentTick; // Paper - Incremental chunk and player saving
+ public long lastSave = Long.MIN_VALUE; // Paper // Folia - threaded regions - changed to nanoTime
private static final int NEUTRAL_MOB_DEATH_NOTIFICATION_RADII_XZ = 32;
private static final int NEUTRAL_MOB_DEATH_NOTIFICATION_RADII_Y = 10;
private static final int FLY_STAT_RECORDING_SPEED = 25;
@@ -470,51 +470,151 @@ public class ServerPlayer extends Player {
}
// CraftBukkit end
- public void fudgeSpawnLocation(ServerLevel world) {
- BlockPos blockposition = world.getSharedSpawnPos();
+ // Folia start - region threading
+ private static final int SPAWN_RADIUS_SELECTION_SEARCH = 5;
- if (world.dimensionType().hasSkyLight() && world.serverLevelData.getGameType() != GameType.ADVENTURE) { // CraftBukkit
- int i = Math.max(0, this.server.getSpawnRadius(world));
- int j = Mth.floor(world.getWorldBorder().getDistanceToBorder((double) blockposition.getX(), (double) blockposition.getZ()));
+ private static BlockPos getRandomSpawn(ServerLevel world, RandomSource random) {
+ BlockPos spawn = world.getSharedSpawnPos();
+ double radius = (double)Math.max(0, world.getGameRules().getInt(GameRules.RULE_SPAWN_RADIUS));
- if (j < i) {
- i = j;
- }
+ double spawnX = (double)spawn.getX() + 0.5;
+ double spawnZ = (double)spawn.getZ() + 0.5;
- if (j <= 1) {
- i = 1;
+ WorldBorder worldBorder = world.getWorldBorder();
+
+ double selectMinX = Math.max(worldBorder.getMinX() + 1.0, spawnX - radius);
+ double selectMinZ = Math.max(worldBorder.getMinZ() + 1.0, spawnZ - radius);
+ double selectMaxX = Math.min(worldBorder.getMaxX() - 1.0, spawnX + radius);
+ double selectMaxZ = Math.min(worldBorder.getMaxZ() - 1.0, spawnZ + radius);
+
+ double amountX = selectMaxX - selectMinX;
+ double amountZ = selectMaxZ - selectMinZ;
+
+ int selectX = amountX < 1.0 ? Mth.floor(worldBorder.getCenterX()) : (int)Mth.floor((amountX + 1.0) * random.nextDouble() + selectMinX);
+ int selectZ = amountZ < 1.0 ? Mth.floor(worldBorder.getCenterZ()) : (int)Mth.floor((amountZ + 1.0) * random.nextDouble() + selectMinZ);
+
+ return new BlockPos(selectX, 0, selectZ);
+ }
+
+ private static void completeSpawn(ServerLevel world, BlockPos selected,
+ ca.spottedleaf.concurrentutil.completable.Completable<Location> toComplete) {
+ toComplete.complete(io.papermc.paper.util.MCUtil.toLocation(world, Vec3.atBottomCenterOf(selected), world.levelData.getSpawnAngle(), 0.0f));
+ }
+
+ private static BlockPos findSpawnAround(ServerLevel world, ServerPlayer player, BlockPos selected) {
+ // try hard to find, so that we don't attempt another chunk load
+ for (int dz = -SPAWN_RADIUS_SELECTION_SEARCH; dz <= SPAWN_RADIUS_SELECTION_SEARCH; ++dz) {
+ for (int dx = -SPAWN_RADIUS_SELECTION_SEARCH; dx <= SPAWN_RADIUS_SELECTION_SEARCH; ++dx) {
+ BlockPos inChunk = PlayerRespawnLogic.getOverworldRespawnPos(world, selected.getX(), selected.getZ());
+ if (inChunk == null) {
+ continue;
+ }
+
+ AABB checkVolume = player.getBoundingBoxAt((double)inChunk.getX() + 0.5, (double)inChunk.getY(), (double)inChunk.getZ() + 0.5);
+
+ if (!world.noCollision(player, checkVolume, true)) {
+ continue;
+ }
+
+ return inChunk;
}
+ }
- long k = (long) (i * 2 + 1);
- long l = k * k;
- int i1 = l > 2147483647L ? Integer.MAX_VALUE : (int) l;
- int j1 = this.getCoprime(i1);
- int k1 = RandomSource.create().nextInt(i1);
+ return null;
+ }
- for (int l1 = 0; l1 < i1; ++l1) {
- int i2 = (k1 + j1 * l1) % i1;
- int j2 = i2 % (i * 2 + 1);
- int k2 = i2 / (i * 2 + 1);
- BlockPos blockposition1 = PlayerRespawnLogic.getOverworldRespawnPos(world, blockposition.getX() + j2 - i, blockposition.getZ() + k2 - i);
+ // rets false when another attempt is required
+ private static boolean trySpawnOrSchedule(ServerLevel world, ServerPlayer player, RandomSource random, int[] attemptCount, int maxAttempts,
+ ca.spottedleaf.concurrentutil.completable.Completable<Location> toComplete) {
+ ++attemptCount[0];
- if (blockposition1 != null) {
- this.moveTo(blockposition1, world.getSharedSpawnAngle(), 0.0F); // Paper - MC-200092 - fix first spawn pos yaw being ignored
- if (world.noCollision(this, this.getBoundingBox(), true)) { // Paper - make sure this loads chunks, we default to NOT loading now
- break;
+ BlockPos rough = getRandomSpawn(world, random);
+
+ int minX = (rough.getX() - SPAWN_RADIUS_SELECTION_SEARCH) >> 4;
+ int minZ = (rough.getZ() - SPAWN_RADIUS_SELECTION_SEARCH) >> 4;
+ int maxX = (rough.getX() + SPAWN_RADIUS_SELECTION_SEARCH) >> 4;
+ int maxZ = (rough.getZ() + SPAWN_RADIUS_SELECTION_SEARCH) >> 4;
+
+ // we could short circuit this check, but it would possibly recurse. Then, it could end up causing a stack overflow
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(world, minX, minZ, maxX, maxZ) || !world.isAreaLoaded(minX, minZ, maxX, maxZ)) {
+ world.loadChunksAsync(minX, maxX, minZ, maxZ,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGHER,
+ (unused) -> {
+ BlockPos selected = findSpawnAround(world, player, rough);
+ if (selected == null) {
+ // run more spawn attempts
+ selectSpawn(world, player, random, attemptCount, maxAttempts, toComplete);
+ return;
}
+
+ completeSpawn(world, selected, toComplete);
+ return;
}
- }
- } else {
- this.moveTo(blockposition, world.getSharedSpawnAngle(), 0.0F); // Paper - MC-200092 - fix first spawn pos yaw being ignored
+ );
+ return true;
+ }
- while (!world.noCollision(this, this.getBoundingBox(), true) && this.getY() < (double) (world.getMaxBuildHeight() - 1)) { // Paper - make sure this loads chunks, we default to NOT loading now
- this.setPos(this.getX(), this.getY() + 1.0D, this.getZ());
+ BlockPos selected = findSpawnAround(world, player, rough);
+ if (selected == null) {
+ return false;
+ }
+
+ completeSpawn(world, selected, toComplete);
+ return true;
+ }
+
+ private static void selectSpawn(ServerLevel world, ServerPlayer player, RandomSource random, int[] attemptCount, int maxAttempts,
+ ca.spottedleaf.concurrentutil.completable.Completable<Location> toComplete) {
+ do {
+ if (attemptCount[0] >= maxAttempts) {
+ BlockPos sharedSpawn = world.getSharedSpawnPos();
+ BlockPos selected = world.getWorldBorder().clampToBounds((double)sharedSpawn.getX(), (double)sharedSpawn.getY(), (double)sharedSpawn.getZ());
+
+ LOGGER.warn("Found no spawn in radius for player '" + player.getName() + "', ignoring radius");
+
+ // this call requires to return a location with loaded chunks, so we need to schedule a load here
+ io.papermc.paper.chunk.system.ChunkSystem.scheduleChunkLoad(
+ world, selected.getX() >> 4, selected.getZ() >> 4, net.minecraft.world.level.chunk.ChunkStatus.FULL,
+ true, ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGHER,
+ (unused) -> {
+ completeSpawn(world, selected, toComplete);
+ }
+ );
+ return;
}
+ } while (!trySpawnOrSchedule(world, player, random, attemptCount, maxAttempts, toComplete));
+ }
+ // Folia end - region threading
+
+ public static void fudgeSpawnLocation(ServerLevel world, ServerPlayer player, ca.spottedleaf.concurrentutil.completable.Completable<Location> toComplete) { // Folia - region threading
+ BlockPos blockposition = world.getSharedSpawnPos();
+
+ if (world.dimensionType().hasSkyLight() && world.serverLevelData.getGameType() != GameType.ADVENTURE) { // CraftBukkit
+ // Folia start - region threading
+ selectSpawn(world, player, player.random, new int[1], 500, toComplete);
+ // Folia end - region threading
+ } else {
+ // Folia start - region threading
+ world.loadChunksForMoveAsync(player.getBoundingBoxAt(blockposition.getX() + 0.5, blockposition.getY(), blockposition.getZ() + 0.5),
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGHER,
+ (c) -> {
+ BlockPos ret = blockposition;
+ while (!world.noCollision(player, player.getBoundingBoxAt(ret.getX() + 0.5, ret.getY(), ret.getZ() + 0.5), true) && ret.getY() < (double) (world.getMaxBuildHeight() - 1)) { // Paper - make sure this loads chunks, we default to NOT loading now
+ ret = ret.above();
+ }
+ toComplete.complete(io.papermc.paper.util.MCUtil.toLocation(world, Vec3.atBottomCenterOf(ret), world.levelData.getSpawnAngle(), 0.0f));
+ }
+ );
+ // Folia end - region threading
}
}
- private int getCoprime(int horizontalSpawnArea) {
+ // Folia start - region threading
+ public final java.util.Set<java.util.UUID> pendingTpas = java.util.concurrent.ConcurrentHashMap.newKeySet();
+ // Folia end - region threading
+
+ private static int getCoprime(int horizontalSpawnArea) { // Folia - region threading - not static
return horizontalSpawnArea <= 16 ? horizontalSpawnArea - 1 : 17;
}
@@ -1169,6 +1269,337 @@ public class ServerPlayer extends Player {
}
}
+ // Folia start - region threading
+ /**
+ * Teleport flag indicating that the player is to be respawned, expected to only be used
+ * internally for {@link #respawn(java.util.function.Consumer)}.
+ */
+ public static final long TELEPORT_FLAGS_PLAYER_RESPAWN = Long.MIN_VALUE >>> 0;
+ /**
+ * Teleport flag indicating the player should be placed at the highest y-value that
+ * provides no collisions for the player's bounding box. Note that this setting
+ * does not imply {@link Entity#TELEPORT_FLAG_LOAD_CHUNK}, so it may
+ * sync load chunks unless the load chunk flag is provided.
+ */
+ public static final long TELEPORT_FLAGS_AVOID_SUFFOCATION = Long.MIN_VALUE >>> 1;
+
+ private void avoidSuffocation() {
+ while (!this.level().noCollision(this, this.getBoundingBox(), true) && this.getY() < (double)this.level().getMaxBuildHeight()) { // Folia - make sure this loads chunks, we default to NOT loading now
+ this.setPos(this.getX(), this.getY() + 1.0D, this.getZ());
+ }
+ }
+
+ public void exitEndCredits() {
+ if (!this.wonGame) {
+ // not in the end credits anymore
+ return;
+ }
+ this.wonGame = false;
+
+ this.respawn((player) -> {
+ CriteriaTriggers.CHANGED_DIMENSION.trigger(player, Level.END, Level.OVERWORLD);
+ }, true);
+ }
+
+ public void respawn(java.util.function.Consumer<ServerPlayer> respawnComplete) {
+ this.respawn(respawnComplete, false);
+ }
+
+ private void respawn(java.util.function.Consumer<ServerPlayer> respawnComplete, boolean alive) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot respawn entity async");
+
+ this.getBukkitEntity(); // force bukkit entity to be created before TPing
+
+ if (alive != this.isAlive()) {
+ throw new IllegalStateException("isAlive expected = " + alive);
+ }
+
+ if (!this.hasNullCallback()) {
+ this.unRide();
+ }
+
+ if (this.isVehicle() || this.isPassenger()) {
+ throw new IllegalStateException("Dead player should not be a vehicle or passenger");
+ }
+
+ ServerLevel origin = this.serverLevel();
+ ServerLevel respawnWorld = this.server.getLevel(this.getRespawnDimension());
+
+ // modified based off PlayerList#respawn
+
+ EntityTreeNode passengerTree = this.makePassengerTree();
+
+ this.isChangingDimension = true;
+ origin.removePlayerImmediately(this, RemovalReason.CHANGED_DIMENSION);
+ // reset player if needed, only after removal from world
+ if (!alive) {
+ ServerPlayer.this.reset();
+ }
+ // must be manually removed from connections, delay until after reset() so that we do not trip any thread checks
+ this.serverLevel().getCurrentWorldData().connections.remove(this.connection.connection);
+
+ BlockPos respawnPos = this.getRespawnPosition();
+ float respawnAngle = this.getRespawnAngle();
+ boolean isRespawnForced = this.isRespawnForced();
+
+ ca.spottedleaf.concurrentutil.completable.Completable<Location> spawnPosComplete =
+ new ca.spottedleaf.concurrentutil.completable.Completable<>();
+ boolean[] usedRespawnAnchor = new boolean[1];
+
+ // set up post spawn location logic
+ spawnPosComplete.addWaiter((spawnLoc, throwable) -> {
+ // update pos and velocity
+ ServerPlayer.this.setPosRaw(spawnLoc.getX(), spawnLoc.getY(), spawnLoc.getZ());
+ ServerPlayer.this.setYRot(spawnLoc.getYaw());
+ ServerPlayer.this.setYHeadRot(spawnLoc.getYaw());
+ ServerPlayer.this.setXRot(spawnLoc.getPitch());
+ ServerPlayer.this.setDeltaMovement(Vec3.ZERO);
+ // placeInAsync will update the world
+
+ this.placeInAsync(
+ origin,
+ // use the load chunk flag just in case the spawn loc isn't loaded, and to ensure the chunks
+ // stay loaded for a bit with the teleport ticket
+ ((CraftWorld)spawnLoc.getWorld()).getHandle(),
+ TELEPORT_FLAG_LOAD_CHUNK | TELEPORT_FLAGS_PLAYER_RESPAWN | TELEPORT_FLAGS_AVOID_SUFFOCATION,
+ passengerTree, // note: we expect this to just be the player, no passengers
+ (entity) -> {
+ // now the player is in the world, and can receive sound
+ if (usedRespawnAnchor[0]) {
+ ServerPlayer.this.connection.send(
+ new ClientboundSoundPacket(
+ net.minecraft.sounds.SoundEvents.RESPAWN_ANCHOR_DEPLETE, SoundSource.BLOCKS,
+ ServerPlayer.this.getX(), ServerPlayer.this.getY(), ServerPlayer.this.getZ(),
+ 1.0F, 1.0F, ServerPlayer.this.serverLevel().getRandom().nextLong()
+ )
+ );
+ }
+ // now the respawn logic is complete
+
+ // last, call the function callback
+ if (respawnComplete != null) {
+ respawnComplete.accept(ServerPlayer.this);
+ }
+ }
+ );
+ });
+
+ // find and modify respawn block state
+ if (respawnWorld == null || respawnPos == null) {
+ // default to regular spawn
+ fudgeSpawnLocation(this.server.getLevel(Level.OVERWORLD), this, spawnPosComplete);
+ } else {
+ // load chunk for block
+ // give at least 1 radius of loaded chunks so that we do not sync load anything
+ int radiusBlocks = 16;
+ respawnWorld.loadChunksAsync(respawnPos, radiusBlocks,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGHER,
+ (chunks) -> {
+ Vec3 spawnPos = findRespawnPositionAndUseSpawnBlock(
+ respawnWorld, respawnPos, respawnAngle, isRespawnForced, alive
+ ).orElse(null);
+ if (spawnPos == null) {
+ // no spawn
+ ServerPlayer.this.connection.send(
+ new ClientboundGameEventPacket(ClientboundGameEventPacket.NO_RESPAWN_BLOCK_AVAILABLE, 0.0F)
+ );
+ ServerPlayer.this.setRespawnPosition(
+ null, null, 0f, false, false,
+ com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.PLAYER_RESPAWN
+ );
+ // default to regular spawn
+ fudgeSpawnLocation(this.server.getLevel(Level.OVERWORLD), this, spawnPosComplete);
+ return;
+ }
+
+ boolean isRespawnAnchor = respawnWorld.getBlockState(respawnPos).is(Blocks.RESPAWN_ANCHOR);
+ boolean isBed = respawnWorld.getBlockState(respawnPos).is(net.minecraft.tags.BlockTags.BEDS);
+ usedRespawnAnchor[0] = !alive && isRespawnAnchor;
+
+ // determine angle
+ float locAngle;
+ if (!isBed && !isRespawnAnchor) {
+ // something else
+ locAngle = respawnAngle;
+ } else {
+ // select angle in direction of the difference applied to respawn pos?
+ Vec3 vec3d1 = Vec3.atBottomCenterOf(respawnPos).subtract(spawnPos).normalize();
+
+ locAngle = (float)Mth.wrapDegrees(Mth.atan2(vec3d1.z, vec3d1.x) * 57.2957763671875D - 90.0D);
+ }
+ ServerPlayer.this.setRespawnPosition(
+ respawnWorld.dimension(), respawnPos, respawnAngle, isRespawnForced, false,
+ com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.PLAYER_RESPAWN
+ );
+
+ // finished now, pass the location on
+ spawnPosComplete.complete(
+ io.papermc.paper.util.MCUtil.toLocation(respawnWorld, spawnPos, locAngle, 0.0f)
+ );
+ return;
+ }
+ );
+ }
+ }
+
+ @Override
+ protected void teleportSyncSameRegion(Vec3 pos, Float yaw, Float pitch, Vec3 speedDirectionUpdate) {
+ if (yaw != null) {
+ this.setYRot(yaw.floatValue());
+ this.setYHeadRot(yaw.floatValue());
+ }
+ if (pitch != null) {
+ this.setXRot(pitch.floatValue());
+ }
+ if (speedDirectionUpdate != null) {
+ this.setDeltaMovement(speedDirectionUpdate.normalize().scale(this.getDeltaMovement().length()));
+ }
+ this.connection.internalTeleport(pos.x, pos.y, pos.z, this.getYRot(), this.getXRot(), java.util.Collections.emptySet());
+ this.connection.resetPosition();
+ this.resetStoredPositions();
+ }
+
+ @Override
+ protected ServerPlayer transformForAsyncTeleport(ServerLevel destination, Vec3 pos, Float yaw, Float pitch, Vec3 speedDirectionUpdate) {
+ // must be manually removed from connections
+ this.serverLevel().getCurrentWorldData().connections.remove(this.connection.connection);
+ this.serverLevel().removePlayerImmediately(this, Entity.RemovalReason.CHANGED_DIMENSION);
+
+ this.spawnIn(destination);
+ this.transform(pos, yaw, pitch, speedDirectionUpdate);
+
+ return this;
+ }
+
+ @Override
+ public void preChangeDimension() {
+ super.preChangeDimension();
+ this.stopUsingItem();
+ }
+
+ @Override
+ protected void placeSingleSync(ServerLevel originWorld, ServerLevel destination, EntityTreeNode treeNode, long teleportFlags) {
+ if (destination == originWorld && (teleportFlags & TELEPORT_FLAGS_PLAYER_RESPAWN) == 0L) {
+ this.unsetRemoved();
+ destination.addDuringTeleport(this);
+
+ // must be manually added to connections
+ this.serverLevel().getCurrentWorldData().connections.add(this.connection.connection);
+
+ if ((teleportFlags & TELEPORT_FLAGS_AVOID_SUFFOCATION) != 0L && treeNode.passengers == null && treeNode.parent == null) {
+ this.avoidSuffocation();
+ }
+
+ // required to set up the pending teleport stuff to the client, and to actually update
+ // the player's position clientside
+ this.connection.internalTeleport(
+ this.getX(), this.getY(), this.getZ(), this.getYRot(), this.getXRot(),
+ java.util.Collections.emptySet()
+ );
+ this.connection.resetPosition();
+
+ this.postChangeDimension();
+ } else {
+ // Modelled after PlayerList#respawn
+
+ // We avoid checking for disconnection here, which means we do not have to add/remove from
+ // the player list here. We can let this be properly handled by the connection handler
+
+ // pre-add logic
+ PlayerList playerlist = this.server.getPlayerList();
+ net.minecraft.world.level.storage.LevelData worlddata = destination.getLevelData();
+ this.connection.send(
+ new ClientboundRespawnPacket(
+ this.createCommonSpawnInfo(destination),
+ (teleportFlags & TELEPORT_FLAGS_PLAYER_RESPAWN) == 0L ? (byte)1 : (byte)0
+ )
+ );
+ // don't bother with the chunk cache radius and simulation distance packets, they are handled
+ // by the chunk loader
+ this.spawnIn(destination); // important that destination != null
+ // we can delay teleport until later, the player position is already set up at the target
+ this.setShiftKeyDown(false);
+
+ this.connection.send(new net.minecraft.network.protocol.game.ClientboundSetDefaultSpawnPositionPacket(
+ destination.getSharedSpawnPos(), destination.getSharedSpawnAngle()
+ ));
+ this.connection.send(new ClientboundChangeDifficultyPacket(
+ worlddata.getDifficulty(), worlddata.isDifficultyLocked()
+ ));
+ this.connection.send(new ClientboundSetExperiencePacket(
+ this.experienceProgress, this.totalExperience, this.experienceLevel
+ ));
+
+ playerlist.sendLevelInfo(this, destination);
+ playerlist.sendPlayerPermissionLevel(this);
+
+ // regular world add logic
+ this.unsetRemoved();
+ destination.addDuringTeleport(this);
+
+ // must be manually added to connections
+ this.serverLevel().getCurrentWorldData().connections.add(this.connection.connection);
+
+ if ((teleportFlags & TELEPORT_FLAGS_AVOID_SUFFOCATION) != 0L && treeNode.passengers == null && treeNode.parent == null) {
+ this.avoidSuffocation();
+ }
+
+ // required to set up the pending teleport stuff to the client, and to actually update
+ // the player's position clientside
+ this.connection.internalTeleport(
+ this.getX(), this.getY(), this.getZ(), this.getYRot(), this.getXRot(),
+ java.util.Collections.emptySet()
+ );
+ this.connection.resetPosition();
+
+ // delay callback until after post add logic
+
+ // post add logic
+
+ // "Added from changeDimension"
+ this.setHealth(this.getHealth());
+ playerlist.sendAllPlayerInfo(this);
+ this.onUpdateAbilities();
+ for (MobEffectInstance mobEffect : this.getActiveEffects()) {
+ this.connection.send(new ClientboundUpdateMobEffectPacket(this.getId(), mobEffect));
+ }
+
+ this.triggerDimensionChangeTriggers(originWorld);
+
+ // finished
+
+ this.postChangeDimension();
+ }
+ }
+
+ @Override
+ public boolean endPortalLogicAsync() {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot portal entity async");
+
+ if (this.level().getTypeKey() == LevelStem.END) {
+ if (!this.canPortalAsync(false)) {
+ return false;
+ }
+ this.wonGame = true;
+ // TODO is there a better solution to this that DOESN'T skip the credits?
+ this.seenCredits = true;
+ this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.WIN_GAME, this.seenCredits ? 0.0F : 1.0F));
+ this.exitEndCredits();
+ return true;
+ } else {
+ return super.endPortalLogicAsync();
+ }
+ }
+
+ @Override
+ protected void prePortalLogic(ServerLevel origin, ServerLevel destination, PortalType type) {
+ super.prePortalLogic(origin, destination, type);
+ if (origin.getTypeKey() == LevelStem.OVERWORLD && destination.getTypeKey() == LevelStem.NETHER) {
+ this.enteredNetherPosition = this.position();
+ }
+ }
+ // Folia end - region threading
+
@Nullable
@Override
public Entity changeDimension(ServerLevel destination) {
@@ -1178,6 +1609,11 @@ public class ServerPlayer extends Player {
@Nullable
public Entity changeDimension(ServerLevel worldserver, PlayerTeleportEvent.TeleportCause cause) {
+ // Folia start - region threading
+ if (true) {
+ throw new UnsupportedOperationException("Must use teleportAsync while in region threading");
+ }
+ // Folia end - region threading
// CraftBukkit end
if (this.isSleeping()) return this; // CraftBukkit - SPIGOT-3154
// this.isChangingDimension = true; // CraftBukkit - Moved down and into PlayerList#changeDimension
@@ -2232,6 +2668,12 @@ public class ServerPlayer extends Player {
public void setCamera(@Nullable Entity entity) {
Entity entity1 = this.getCamera();
+ // Folia start - region threading
+ if (entity != null && !io.papermc.paper.util.TickThread.isTickThreadFor(entity)) {
+ return;
+ }
+ // Folia end - region threading
+
this.camera = (Entity) (entity == null ? this : entity);
if (entity1 != this.camera) {
// Paper start - Add PlayerStartSpectatingEntityEvent and PlayerStopSpectatingEntity
@@ -2733,7 +3175,7 @@ public class ServerPlayer extends Player {
this.experienceLevel = this.newLevel;
this.totalExperience = this.newTotalExp;
this.experienceProgress = 0;
- this.deathTime = 0;
+ this.deathTime = 0; this.broadcastedDeath = false; // Folia - region threading
this.setArrowCount(0, true); // CraftBukkit - ArrowBodyCountChangeEvent
this.removeAllEffects(org.bukkit.event.entity.EntityPotionEffectEvent.Cause.DEATH);
this.effectsDirty = true;
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index a7b217ddbcbf92513bd38101fdfca2075505e267..8d2d0852ca5d137a74ba7be9a58e45c6bb832552 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -128,7 +128,7 @@ public class ServerPlayerGameMode {
BlockState iblockdata;
if (this.hasDelayedDestroy) {
- iblockdata = this.level.getBlockStateIfLoaded(this.delayedDestroyPos); // Paper - Don't allow digging into unloaded chunks
+ iblockdata = !io.papermc.paper.util.TickThread.isTickThreadFor(this.level, this.delayedDestroyPos) ? null : this.level.getBlockStateIfLoaded(this.delayedDestroyPos); // Paper - Don't allow digging into unloaded chunks // Folia - region threading - don't destroy blocks not owned
if (iblockdata == null || iblockdata.isAir()) { // Paper - Don't allow digging into unloaded chunks
this.hasDelayedDestroy = false;
} else {
@@ -141,7 +141,7 @@ public class ServerPlayerGameMode {
}
} else if (this.isDestroyingBlock) {
// Paper start - Don't allow digging into unloaded chunks; don't want to do same logic as above, return instead
- iblockdata = this.level.getBlockStateIfLoaded(this.destroyPos);
+ iblockdata = !io.papermc.paper.util.TickThread.isTickThreadFor(this.level, this.destroyPos) ? null : this.level.getBlockStateIfLoaded(this.destroyPos);
if (iblockdata == null) {
this.isDestroyingBlock = false;
return;
@@ -416,7 +416,7 @@ public class ServerPlayerGameMode {
} else {
// CraftBukkit start
org.bukkit.block.BlockState state = bblock.getState();
- this.level.captureDrops = new ArrayList<>();
+ this.level.getCurrentWorldData().captureDrops = new ArrayList<>(); // Folia - region threading
// CraftBukkit end
BlockState iblockdata1 = block.playerWillDestroy(this.level, pos, iblockdata, this.player);
boolean flag = this.level.removeBlock(pos, false);
@@ -444,8 +444,8 @@ public class ServerPlayerGameMode {
// return true; // CraftBukkit
}
// CraftBukkit start
- java.util.List<net.minecraft.world.entity.item.ItemEntity> itemsToDrop = this.level.captureDrops; // Paper - capture all item additions to the world
- this.level.captureDrops = null; // Paper - capture all item additions to the world; Remove this earlier so that we can actually drop stuff
+ java.util.List<net.minecraft.world.entity.item.ItemEntity> itemsToDrop = this.level.getCurrentWorldData().captureDrops; // Paper - capture all item additions to the world // Folia - region threading
+ this.level.getCurrentWorldData().captureDrops = null; // Paper - capture all item additions to the world; Remove this earlier so that we can actually drop stuff // Folia - region threading
if (event.isDropItems()) {
org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockDropItemEvent(bblock, state, this.player, itemsToDrop); // Paper - capture all item additions to the world
}
diff --git a/src/main/java/net/minecraft/server/level/ThreadedLevelLightEngine.java b/src/main/java/net/minecraft/server/level/ThreadedLevelLightEngine.java
index f382d138959b34bfc3a114bc9d96e056cccbfc89..100293099156978ff701bc6c9d8df94ba8282021 100644
--- a/src/main/java/net/minecraft/server/level/ThreadedLevelLightEngine.java
+++ b/src/main/java/net/minecraft/server/level/ThreadedLevelLightEngine.java
@@ -97,10 +97,15 @@ public class ThreadedLevelLightEngine extends LevelLightEngine implements AutoCl
this.chunkMap.level.chunkTaskScheduler.radiusAwareScheduler.queueInfiniteRadiusTask(() -> { // Paper - rewrite chunk system
this.theLightEngine.relightChunks(chunks, (ChunkPos chunkPos) -> {
chunkLightCallback.accept(chunkPos);
- ((java.util.concurrent.Executor)((ServerLevel)this.theLightEngine.getWorld()).getChunkSource().mainThreadProcessor).execute(() -> {
+ Runnable run = () -> { // Folia - region threading
((ServerLevel)this.theLightEngine.getWorld()).getChunkSource().chunkMap.getUpdatingChunkIfPresent(chunkPos.toLong()).broadcast(new net.minecraft.network.protocol.game.ClientboundLightUpdatePacket(chunkPos, ThreadedLevelLightEngine.this, null, null), false);
((ServerLevel)this.theLightEngine.getWorld()).getChunkSource().removeTicketAtLevel(TicketType.CHUNK_RELIGHT, chunkPos, io.papermc.paper.util.MCUtil.getTicketLevelFor(ChunkStatus.LIGHT), ticketIds.get(chunkPos));
- });
+ }; // Folia - region threading
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueChunkTask(
+ (ServerLevel)this.theLightEngine.getWorld(), chunkPos.x, chunkPos.z, run
+ );
+ // Folia end - region threading
}, onComplete);
});
this.tryScheduleUpdate();
@@ -108,7 +113,7 @@ public class ThreadedLevelLightEngine extends LevelLightEngine implements AutoCl
return totalChunks;
}
- private final Long2IntOpenHashMap chunksBeingWorkedOn = new Long2IntOpenHashMap();
+ //private final Long2IntOpenHashMap chunksBeingWorkedOn = new Long2IntOpenHashMap(); // Folia - region threading
private void queueTaskForSection(final int chunkX, final int chunkY, final int chunkZ,
final Supplier<io.papermc.paper.chunk.system.light.LightQueue.ChunkTasks> runnable) { // Paper - rewrite chunk system
@@ -128,11 +133,16 @@ public class ThreadedLevelLightEngine extends LevelLightEngine implements AutoCl
return;
}
- if (!world.getChunkSource().chunkMap.mainThreadExecutor.isSameThread()) {
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(world, chunkX, chunkZ)) { // Folia - region threading
// ticket logic is not safe to run off-main, re-schedule
- world.getChunkSource().chunkMap.mainThreadExecutor.execute(() -> {
+ Runnable run = () -> { // Folia - region threading
this.queueTaskForSection(chunkX, chunkY, chunkZ, runnable);
- });
+ }; // Folia - region threading
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ world, chunkX, chunkZ, run
+ );
+ // Folia end - region threading
return;
}
@@ -151,22 +161,28 @@ public class ThreadedLevelLightEngine extends LevelLightEngine implements AutoCl
}
updateFuture.isTicketAdded = true;
- final int references = this.chunksBeingWorkedOn.addTo(key, 1);
+ final int references = this.chunkMap.level.getCurrentWorldData().chunksBeingWorkedOn.addTo(key, 1); // Folia - region threading
if (references == 0) {
final ChunkPos pos = new ChunkPos(chunkX, chunkZ);
world.getChunkSource().addRegionTicket(ca.spottedleaf.starlight.common.light.StarLightInterface.CHUNK_WORK_TICKET, pos, 0, pos);
}
- updateFuture.onComplete.thenAcceptAsync((final Void ignore) -> {
- final int newReferences = this.chunksBeingWorkedOn.get(key);
- if (newReferences == 1) {
- this.chunksBeingWorkedOn.remove(key);
- final ChunkPos pos = new ChunkPos(chunkX, chunkZ);
- world.getChunkSource().removeRegionTicket(ca.spottedleaf.starlight.common.light.StarLightInterface.CHUNK_WORK_TICKET, pos, 0, pos);
- } else {
- this.chunksBeingWorkedOn.put(key, newReferences - 1);
- }
- }, world.getChunkSource().chunkMap.mainThreadExecutor).whenComplete((final Void ignore, final Throwable thr) -> {
+ // Folia start - region threading
+ updateFuture.onComplete.thenAccept((final Void ignore) -> {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ this.chunkMap.level, chunkX, chunkZ, () -> {
+ final int newReferences = this.chunkMap.level.getCurrentWorldData().chunksBeingWorkedOn.get(key);
+ if (newReferences == 1) {
+ this.chunkMap.level.getCurrentWorldData().chunksBeingWorkedOn.remove(key);
+ final ChunkPos pos = new ChunkPos(chunkX, chunkZ);
+ world.getChunkSource().removeRegionTicket(ca.spottedleaf.starlight.common.light.StarLightInterface.CHUNK_WORK_TICKET, pos, 0, pos);
+ } else {
+ this.chunkMap.level.getCurrentWorldData().chunksBeingWorkedOn.put(key, newReferences - 1);
+ }
+ }
+ );
+ }).whenComplete((final Void ignore, final Throwable thr) -> {
+ // Folia end - region threading
if (thr != null) {
LOGGER.error("Failed to remove ticket level for post chunk task " + new ChunkPos(chunkX, chunkZ), thr);
}
diff --git a/src/main/java/net/minecraft/server/level/TicketType.java b/src/main/java/net/minecraft/server/level/TicketType.java
index 658e63ebde81dc14c8ab5850fb246dc0aab25dea..7e1f15ac8d2f7c86d4aba1be5df717052ffb31f0 100644
--- a/src/main/java/net/minecraft/server/level/TicketType.java
+++ b/src/main/java/net/minecraft/server/level/TicketType.java
@@ -37,6 +37,14 @@ public class TicketType<T> {
public static final TicketType<Long> NON_FULL_SYNC_LOAD = create("non_full_sync_load", Long::compareTo);
public static final TicketType<ChunkPos> DELAY_UNLOAD = create("delay_unload", Comparator.comparingLong(ChunkPos::toLong), 1);
// Paper end - rewrite chunk system
+ // Folia start - region threading
+ public static final TicketType<Unit> LOGIN = create("login", (u1, u2) -> 0, 20);
+ public static final TicketType<Unit> DELAYED = create("delay", (u1, u2) -> 0, 5);
+ public static final TicketType<Long> END_GATEWAY_EXIT_SEARCH = create("end_gateway_exit_search", Long::compareTo);
+ public static final TicketType<Long> NETHER_PORTAL_DOUBLE_CHECK = create("nether_portal_double_check", Long::compareTo);
+ public static final TicketType<Long> TELEPORT_HOLD_TICKET = create("teleport_hold_ticket", Long::compareTo);
+ public static final TicketType<Unit> REGION_SCHEDULER_API_HOLD = create("region_scheduler_api_hold", (a, b) -> 0);
+ // Folia end - region threading
public static <T> TicketType<T> create(String name, Comparator<T> argumentComparator) {
return new TicketType<>(name, argumentComparator, 0L);
diff --git a/src/main/java/net/minecraft/server/level/WorldGenRegion.java b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
index 5ece375eaf6bcc61864997a389bb5e24625e4505..33c1ef45ed620f8424c2c83dd30b674892ddffe3 100644
--- a/src/main/java/net/minecraft/server/level/WorldGenRegion.java
+++ b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
@@ -84,6 +84,13 @@ public class WorldGenRegion implements WorldGenLevel {
private final AtomicLong subTickCount = new AtomicLong();
private static final ResourceLocation WORLDGEN_REGION_RANDOM = new ResourceLocation("worldgen_region_random");
+ // Folia start - region threading
+ @Override
+ public StructureManager structureManager() {
+ return this.structureManager;
+ }
+ // Folia end - region threading
+
public WorldGenRegion(ServerLevel world, List<ChunkAccess> chunks, ChunkStatus status, int placementRadius) {
this.generatingStatus = status;
this.writeRadiusCutoff = placementRadius;
diff --git a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
index 0306771b8f90dcdd77f151c19c6c2d75c41f8feb..22f0d91df0a81040d72c499fbff32b3a9d41598f 100644
--- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
@@ -75,6 +75,10 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
// CraftBukkit end
}
+ // Folia start - region threading
+ private boolean handledDisconnect = false;
+ // Folia end - region threading
+
@Override
public void onDisconnect(Component reason) {
// Paper start - Fix kick event leave message not being sent
@@ -82,10 +86,18 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
}
public void onDisconnect(Component reason, @Nullable net.kyori.adventure.text.Component quitMessage) {
// Paper end - Fix kick event leave message not being sent
+ // Folia start - region threading
+ if (this.handledDisconnect) {
+ // avoid retiring scheduler twice
+ return;
+ }
+ this.handledDisconnect = true;
+ // Folia end - region threading
if (this.isSingleplayerOwner()) {
ServerCommonPacketListenerImpl.LOGGER.info("Stopping singleplayer server as player logged out");
this.server.halt(false);
}
+ this.player.getBukkitEntity().taskScheduler.retire(); // Folia - region threading
}
@@ -99,9 +111,9 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
this.keepAlivePending = false;
} else if (!this.isSingleplayerOwner()) {
// Paper start - This needs to be handled on the main thread for plugins
- server.submit(() -> {
+ // Folia - region threading - do not schedule to main anymore, there is no main
this.disconnect(ServerCommonPacketListenerImpl.TIMEOUT_DISCONNECTION_MESSAGE, org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause
- });
+ // Folia - region threading - do not schedule to main anymore, there is no main
// Paper end - This needs to be handled on the main thread for plugins
}
@@ -292,24 +304,8 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
if (this.processedDisconnect) {
return;
}
- if (!this.cserver.isPrimaryThread()) {
- Waitable waitable = new Waitable() {
- @Override
- protected Object evaluate() {
- ServerCommonPacketListenerImpl.this.disconnect(reason, cause); // Paper - adventure
- return null;
- }
- };
-
- this.server.processQueue.add(waitable);
-
- try {
- waitable.get();
- } catch (InterruptedException e) {
- Thread.currentThread().interrupt();
- } catch (ExecutionException e) {
- throw new RuntimeException(e);
- }
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(this.player)) { // Folia - region threading
+ this.connection.disconnectSafely(io.papermc.paper.adventure.PaperAdventure.asVanilla(reason), cause); // Folia - region threading - it HAS to be delayed/async to avoid deadlock if we try to wait for another region
return;
}
@@ -340,7 +336,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
Objects.requireNonNull(this.connection);
// CraftBukkit - Don't wait
- minecraftserver.scheduleOnMain(networkmanager::handleDisconnection); // Paper
+ // Folia - region threading
}
protected boolean isSingleplayerOwner() {
diff --git a/src/main/java/net/minecraft/server/network/ServerConfigurationPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerConfigurationPacketListenerImpl.java
index 87c5690774363edc1b7ebff10b041e48c0a6d56d..18113fdd0d3f269e2ffb3b661d6adfa5b20d7386 100644
--- a/src/main/java/net/minecraft/server/network/ServerConfigurationPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerConfigurationPacketListenerImpl.java
@@ -43,6 +43,7 @@ public class ServerConfigurationPacketListenerImpl extends ServerCommonPacketLis
@Nullable
private ConfigurationTask currentTask;
private ClientInformation clientInformation;
+ public boolean switchToMain = false; // Folia - region threading - rewrite login process
public ServerConfigurationPacketListenerImpl(MinecraftServer minecraftserver, Connection networkmanager, CommonListenerCookie commonlistenercookie, ServerPlayer player) { // CraftBukkit
super(minecraftserver, networkmanager, commonlistenercookie, player); // CraftBukkit
@@ -131,7 +132,57 @@ public class ServerConfigurationPacketListenerImpl extends ServerCommonPacketLis
ServerPlayer entityplayer = playerlist.getPlayerForLogin(this.gameProfile, this.clientInformation, this.player); // CraftBukkit
- playerlist.placeNewPlayer(this.connection, entityplayer, this.createCookie(this.clientInformation));
+ // Folia start - region threading - rewrite login process
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot handle player login off global tick thread");
+ CommonListenerCookie clientData = this.createCookie(this.clientInformation);
+ org.apache.commons.lang3.mutable.MutableObject<net.minecraft.nbt.CompoundTag> data = new org.apache.commons.lang3.mutable.MutableObject<>();
+ org.apache.commons.lang3.mutable.MutableObject<String> lastKnownName = new org.apache.commons.lang3.mutable.MutableObject<>();
+ ca.spottedleaf.concurrentutil.completable.Completable<org.bukkit.Location> toComplete = new ca.spottedleaf.concurrentutil.completable.Completable<>();
+ // note: need to call addWaiter before completion to ensure the callback is invoked synchronously
+ // the loadSpawnForNewPlayer function always completes the completable once the chunks were loaded,
+ // on the load callback for those chunks (so on the same region)
+ // this guarantees the chunk cannot unload under our feet
+ toComplete.addWaiter((org.bukkit.Location loc, Throwable t) -> {
+ int chunkX = net.minecraft.util.Mth.floor(loc.getX()) >> 4;
+ int chunkZ = net.minecraft.util.Mth.floor(loc.getZ()) >> 4;
+
+ net.minecraft.server.level.ServerLevel world = ((org.bukkit.craftbukkit.CraftWorld)loc.getWorld()).getHandle();
+ // we just need to hold the chunks at loaded until the next tick
+ // so we do not need to care about unique IDs for the ticket
+ world.getChunkSource().addTicketAtLevel(
+ net.minecraft.server.level.TicketType.LOGIN,
+ new net.minecraft.world.level.ChunkPos(chunkX, chunkZ),
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.FULL_LOADED_TICKET_LEVEL,
+ net.minecraft.util.Unit.INSTANCE
+ );
+
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ world, chunkX, chunkZ,
+ () -> {
+ // once switchToMain is set, the current ticking region now owns the connection and is responsible
+ // for cleaning it up
+ playerlist.placeNewPlayer(
+ ServerConfigurationPacketListenerImpl.this.connection,
+ entityplayer,
+ clientData,
+ data.getValue(),
+ lastKnownName.getValue(),
+ loc
+ );
+ },
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGHER
+ );
+ });
+ this.switchToMain = true;
+ try {
+ // now the connection responsibility is transferred on the region
+ playerlist.loadSpawnForNewPlayer(this.connection, entityplayer, clientData, data, lastKnownName, toComplete);
+ } catch (final Throwable throwable) {
+ // assume toComplete will not be invoked
+ // ensure global tick thread owns the connection again, to properly disconnect it
+ this.switchToMain = false;
+ }
+ // Folia end - region threading - rewrite login process
this.connection.resumeInboundAfterProtocolChange();
} catch (Exception exception) {
ServerConfigurationPacketListenerImpl.LOGGER.error("Couldn't place player in world", exception);
diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
index 586521a2cbb1d4dcfb912029f65e4363ec7674a7..6e95017f4c36208abdf344e3b7d55efe2d5b4e10 100644
--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
@@ -152,10 +152,13 @@ public class ServerConnectionListener {
});
}
// Paper end - Add support for proxy protocol
- pending.add(object); // Paper - prevent blocking on adding a new connection while the server is ticking
+ // Folia - connection fixes - move down
((Connection) object).configurePacketHandler(channelpipeline);
((Connection) object).setListenerForServerboundHandshake(new ServerHandshakePacketListenerImpl(ServerConnectionListener.this.server, (Connection) object));
io.papermc.paper.network.ChannelInitializeListenerHolder.callListeners(channel); // Paper - Add Channel initialization listeners
+ // Folia start - regionised threading
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addConnection(object);
+ // Folia end - regionised threading
}
}).group(eventloopgroup).localAddress(address)).option(ChannelOption.AUTO_READ, false).bind().syncUninterruptibly()); // CraftBukkit // Paper - Unix domain socket support
}
@@ -218,7 +221,7 @@ public class ServerConnectionListener {
// Spigot Start
this.addPending(); // Paper - prevent blocking on adding a new connection while the server is ticking
// This prevents players from 'gaming' the server, and strategically relogging to increase their position in the tick order
- if ( org.spigotmc.SpigotConfig.playerShuffle > 0 && MinecraftServer.currentTick % org.spigotmc.SpigotConfig.playerShuffle == 0 )
+ if ( org.spigotmc.SpigotConfig.playerShuffle > 0 && 0 % org.spigotmc.SpigotConfig.playerShuffle == 0 ) // Folia - region threading
{
Collections.shuffle( this.connections );
}
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 87e5ee042ab2c052d25ab4c2521a68cf2e2d67b6..3b2508dc6cd4f70b09dce3b7e745e6efabaaa74e 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -291,7 +291,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
private final LastSeenMessagesValidator lastSeenMessages = new LastSeenMessagesValidator(20);
private final MessageSignatureCache messageSignatureCache = MessageSignatureCache.createDefault();
private final FutureChain chatMessageChain;
- private boolean waitingForSwitchToConfig;
+ public volatile boolean waitingForSwitchToConfig; // Folia - rewrite login process - fix bad ordering of this field write + public
private static final int MAX_SIGN_LINE_LENGTH = Integer.getInteger("Paper.maxSignLength", 80); // Paper - Limit client sign length
public ServerGamePacketListenerImpl(MinecraftServer server, Connection connection, ServerPlayer player, CommonListenerCookie clientData) {
@@ -309,10 +309,10 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
}
// CraftBukkit start - add fields
- private int lastTick = MinecraftServer.currentTick;
+ private long lastTick = Util.getMillis() / 50L; // Folia - region threading
private int allowedPlayerTicks = 1;
- private int lastDropTick = MinecraftServer.currentTick;
- private int lastBookTick = MinecraftServer.currentTick;
+ private long lastDropTick = Util.getMillis() / 50L; // Folia - region threading
+ private long lastBookTick = Util.getMillis() / 50L; // Folia - region threading
private int dropCount = 0;
private boolean hasMoved = false;
@@ -324,8 +324,21 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
private boolean justTeleported = false;
// CraftBukkit end
+ // Folia start - region threading
+ public net.minecraft.world.level.ChunkPos disconnectPos;
+ private static final java.util.concurrent.atomic.AtomicLong DISCONNECT_TICKET_ID_GENERATOR = new java.util.concurrent.atomic.AtomicLong();
+ public static final net.minecraft.server.level.TicketType<Long> DISCONNECT_TICKET = net.minecraft.server.level.TicketType.create("disconnect_ticket", Long::compareTo);
+ public final Long disconnectTicketId = Long.valueOf(DISCONNECT_TICKET_ID_GENERATOR.getAndIncrement());
+ // Folia end - region threading
+
@Override
public void tick() {
+ // Folia start - region threading
+ this.keepConnectionAlive();
+ if (this.processedDisconnect || this.player.wonGame) {
+ return;
+ }
+ // Folia end - region threading
if (this.ackBlockChangesUpTo > -1) {
this.send(new ClientboundBlockChangedAckPacket(this.ackBlockChangesUpTo));
this.ackBlockChangesUpTo = -1;
@@ -374,7 +387,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
this.aboveGroundVehicleTickCount = 0;
}
- this.keepConnectionAlive();
+ // Folia - region threading - moved to beginning of method
// CraftBukkit start
for (int spam; (spam = this.chatSpamTickCount.get()) > 0 && !this.chatSpamTickCount.compareAndSet(spam, spam - 1); ) ;
if (tabSpamLimiter.get() > 0) tabSpamLimiter.getAndDecrement(); // Paper - configurable tab spam limits
@@ -411,6 +424,19 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
this.lastGoodX = this.player.getX();
this.lastGoodY = this.player.getY();
this.lastGoodZ = this.player.getZ();
+ // Folia start - support vehicle teleportations
+ this.lastVehicle = this.player.getRootVehicle();
+ if (this.lastVehicle != this.player && this.lastVehicle.getControllingPassenger() == this.player) {
+ this.vehicleFirstGoodX = this.lastVehicle.getX();
+ this.vehicleFirstGoodY = this.lastVehicle.getY();
+ this.vehicleFirstGoodZ = this.lastVehicle.getZ();
+ this.vehicleLastGoodX = this.lastVehicle.getX();
+ this.vehicleLastGoodY = this.lastVehicle.getY();
+ this.vehicleLastGoodZ = this.lastVehicle.getZ();
+ } else {
+ this.lastVehicle = null;
+ }
+ // Folia end - support vehicle teleportations
}
@Override
@@ -511,9 +537,10 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// Paper end - fix large move vectors killing the server
// CraftBukkit start - handle custom speeds and skipped ticks
- this.allowedPlayerTicks += (System.currentTimeMillis() / 50) - this.lastTick;
+ int currTick = (int)(Util.getMillis() / 50); // Folia - region threading
+ this.allowedPlayerTicks += currTick - this.lastTick; // Folia - region threading
this.allowedPlayerTicks = Math.max(this.allowedPlayerTicks, 1);
- this.lastTick = (int) (System.currentTimeMillis() / 50);
+ this.lastTick = (int) currTick; // Folia - region threading
++this.receivedMovePacketCount;
int i = this.receivedMovePacketCount - this.knownMovePacketCount;
@@ -587,7 +614,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
}
entity.absMoveTo(d3, d4, d5, f, f1);
- this.player.absMoveTo(d3, d4, d5, this.player.getYRot(), this.player.getXRot()); // CraftBukkit
+ //this.player.absMoveTo(d3, d4, d5, this.player.getYRot(), this.player.getXRot()); // CraftBukkit // Folia - move to repositionAllPassengers
// Paper start - optimise out extra getCubes
boolean teleportBack = flag2; // violating this is always a fail
@@ -600,11 +627,19 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
}
if (teleportBack) { // Paper end - optimise out extra getCubes
entity.absMoveTo(d0, d1, d2, f, f1);
- this.player.absMoveTo(d0, d1, d2, this.player.getYRot(), this.player.getXRot()); // CraftBukkit
+ //this.player.absMoveTo(d0, d1, d2, this.player.getYRot(), this.player.getXRot()); // CraftBukkit // Folia - not needed, the player is no longer updated
this.send(new ClientboundMoveVehiclePacket(entity));
return;
}
+ // Folia start - move to positionRider
+ // this correction is required on folia since we move the connection tick to the beginning of the server
+ // tick, which would make any desync here visible
+ // this will correctly update the passenger positions for all mounted entities
+ // this prevents desync and ensures that all passengers have the correct rider-adjusted position
+ entity.repositionAllPassengers(false);
+ // Folia end - move to positionRider
+
// CraftBukkit start - fire PlayerMoveEvent
Player player = this.getCraftPlayer();
if (!this.hasMoved) {
@@ -644,7 +679,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// If the event is cancelled we move the player back to their old location.
if (event.isCancelled()) {
- this.teleport(from);
+ this.player.getBukkitEntity().teleportAsync(from, PlayerTeleportEvent.TeleportCause.PLUGIN); // Folia - region threading
return;
}
@@ -652,7 +687,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// there to avoid any 'Moved wrongly' or 'Moved too quickly' errors.
// We only do this if the Event was not cancelled.
if (!oldTo.equals(event.getTo()) && !event.isCancelled()) {
- this.player.getBukkitEntity().teleport(event.getTo(), PlayerTeleportEvent.TeleportCause.PLUGIN);
+ this.player.getBukkitEntity().teleportAsync(event.getTo(), PlayerTeleportEvent.TeleportCause.PLUGIN); // Folia - region threading
return;
}
@@ -768,7 +803,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel()); // Paper - AsyncTabCompleteEvent; run this async
// CraftBukkit start
if (this.chatSpamTickCount.addAndGet(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamIncrement) > io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamLimit && !this.server.getPlayerList().isOp(this.player.getGameProfile())) { // Paper - configurable tab spam limits
- this.disconnect(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM); // Paper - Kick event cause
+ this.disconnect(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM); // Paper - Kick event cause // Folia - region threading
return;
}
// CraftBukkit end
@@ -780,7 +815,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// Paper start
final int index;
if (packet.getCommand().length() > 64 && ((index = packet.getCommand().indexOf(' ')) == -1 || index >= 64)) {
- this.disconnect(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM);
+ this.disconnect(Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM); // Folia - region threading
return;
}
// Paper end
@@ -805,7 +840,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
}
// This needs to be on main
- this.server.scheduleOnMain(() -> this.sendServerSuggestions(packet, stringreader));
+ this.player.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> this.sendServerSuggestions(packet, stringreader), null, 1L); // Folia - region threading
} else if (!completions.isEmpty()) {
final com.mojang.brigadier.suggestion.SuggestionsBuilder builder0 = new com.mojang.brigadier.suggestion.SuggestionsBuilder(packet.getCommand(), stringreader.getTotalLength());
final com.mojang.brigadier.suggestion.SuggestionsBuilder builder = builder0.createOffset(builder0.getInput().lastIndexOf(' ') + 1);
@@ -1146,7 +1181,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
int byteLength = testString.getBytes(java.nio.charset.StandardCharsets.UTF_8).length;
if (byteLength > 256 * 4) {
ServerGamePacketListenerImpl.LOGGER.warn(this.player.getScoreboardName() + " tried to send a book with with a page too large!");
- server.scheduleOnMain(() -> this.disconnect("Book too large!", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION)); // Paper - kick event cause
+ this.disconnect("Book too large!", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper - kick event cause // Folia - region threading
return;
}
byteTotal += byteLength;
@@ -1169,17 +1204,17 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
if (byteTotal > byteAllowed) {
ServerGamePacketListenerImpl.LOGGER.warn(this.player.getScoreboardName() + " tried to send too large of a book. Book Size: " + byteTotal + " - Allowed: "+ byteAllowed + " - Pages: " + pageList.size());
- server.scheduleOnMain(() -> this.disconnect("Book too large!", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION)); // Paper - kick event cause
+ this.disconnect("Book too large!", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper - kick event cause // Folia - region threading
return;
}
}
// Paper end - Book size limits
// CraftBukkit start
- if (this.lastBookTick + 20 > MinecraftServer.currentTick) {
- server.scheduleOnMain(() -> this.disconnect("Book edited too quickly!", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION)); // Paper - kick event cause // Paper - Also ensure this is called on main
+ if (this.lastBookTick + 20 > this.lastTick) {
+ this.disconnect("Book edited too quickly!", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper - kick event cause // Paper - Also ensure this is called on main // Folia - region threading
return;
}
- this.lastBookTick = MinecraftServer.currentTick;
+ this.lastBookTick = this.lastTick;
// CraftBukkit end
int i = packet.getSlot();
@@ -1199,7 +1234,19 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
this.updateBookContents(list1, i);
};
- this.filterTextPacket((List) list).thenAcceptAsync(consumer, this.server);
+ this.filterTextPacket(list).thenAcceptAsync(consumer, // Folia start - region threading
+ (Runnable run) -> {
+ this.player.getBukkitEntity().taskScheduler.schedule(
+ (player) -> {
+ run.run();
+ },
+ null, 1L);
+ }).whenComplete((Object res, Throwable thr) -> {
+ if (thr != null) {
+ LOGGER.error("Failed to handle book update packet", thr);
+ }
+ });
+ // Folia end - region threading
}
}
@@ -1385,9 +1432,10 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
int i = this.receivedMovePacketCount - this.knownMovePacketCount;
// CraftBukkit start - handle custom speeds and skipped ticks
- this.allowedPlayerTicks += (System.currentTimeMillis() / 50) - this.lastTick;
+ int currTick = (int)(Util.getMillis() / 50); // Folia - region threading
+ this.allowedPlayerTicks += currTick - this.lastTick; // Folia - region threading
this.allowedPlayerTicks = Math.max(this.allowedPlayerTicks, 1);
- this.lastTick = (int) (System.currentTimeMillis() / 50);
+ this.lastTick = (int) currTick; // Folia - region threading
if (i > Math.max(this.allowedPlayerTicks, 5)) {
ServerGamePacketListenerImpl.LOGGER.debug("{} is sending move packets too frequently ({} packets since last tick)", this.player.getName().getString(), i);
@@ -1577,7 +1625,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// If the event is cancelled we move the player back to their old location.
if (event.isCancelled()) {
- this.teleport(from);
+ this.player.getBukkitEntity().teleportAsync(from, PlayerTeleportEvent.TeleportCause.PLUGIN); // Folia - region threading
return;
}
@@ -1585,7 +1633,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// there to avoid any 'Moved wrongly' or 'Moved too quickly' errors.
// We only do this if the Event was not cancelled.
if (!oldTo.equals(event.getTo()) && !event.isCancelled()) {
- this.player.getBukkitEntity().teleport(event.getTo(), PlayerTeleportEvent.TeleportCause.PLUGIN);
+ this.player.getBukkitEntity().teleportAsync(event.getTo(), PlayerTeleportEvent.TeleportCause.PLUGIN); // Folia - region threading
return;
}
@@ -1805,9 +1853,9 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
if (!this.player.isSpectator()) {
// limit how quickly items can be dropped
// If the ticks aren't the same then the count starts from 0 and we update the lastDropTick.
- if (this.lastDropTick != MinecraftServer.currentTick) {
+ if (this.lastDropTick != io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick()) {
this.dropCount = 0;
- this.lastDropTick = MinecraftServer.currentTick;
+ this.lastDropTick = io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick();
} else {
// Else we increment the drop count and check the amount.
this.dropCount++;
@@ -1835,7 +1883,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
case ABORT_DESTROY_BLOCK:
case STOP_DESTROY_BLOCK:
// Paper start - Don't allow digging into unloaded chunks
- if (this.player.level().getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) == null) {
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(this.player.serverLevel(), blockposition.getX() >> 4, blockposition.getZ() >> 4, 8) || this.player.level().getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) == null) { // Folia - region threading - don't destroy blocks not owned
this.player.connection.ackBlockChangesUpTo(packet.getSequence());
return;
}
@@ -1919,7 +1967,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
BlockPos blockposition = movingobjectpositionblock.getBlockPos();
Vec3 vec3d1 = Vec3.atCenterOf(blockposition);
- if (this.player.getEyePosition().distanceToSqr(vec3d1) <= ServerGamePacketListenerImpl.MAX_INTERACTION_DISTANCE) {
+ if (io.papermc.paper.util.TickThread.isTickThreadFor(this.player.serverLevel(), blockposition.getX() >> 4, blockposition.getZ() >> 4, 8) && this.player.getEyePosition().distanceToSqr(vec3d1) <= ServerGamePacketListenerImpl.MAX_INTERACTION_DISTANCE) { // Folia - do not allow players to interact with blocks outside the current region
Vec3 vec3d2 = vec3d.subtract(vec3d1);
double d0 = 1.0000001D;
@@ -2033,7 +2081,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
Entity entity = packet.getEntity(worldserver);
if (entity != null) {
- this.player.teleportTo(worldserver, entity.getX(), entity.getY(), entity.getZ(), entity.getYRot(), entity.getXRot(), org.bukkit.event.player.PlayerTeleportEvent.TeleportCause.SPECTATE); // CraftBukkit
+ io.papermc.paper.threadedregions.TeleportUtils.teleport(this.player, false, entity, null, null, Entity.TELEPORT_FLAG_LOAD_CHUNK, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause.SPECTATE, null); // Folia - region threading
return;
}
}
@@ -2070,7 +2118,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
}
// CraftBukkit end
ServerGamePacketListenerImpl.LOGGER.info("{} lost connection: {}", this.player.getName().getString(), reason.getString());
- this.removePlayerFromWorld(quitMessage); // Paper - Fix kick event leave message not being sent
+ if (!this.waitingForSwitchToConfig) this.removePlayerFromWorld(quitMessage); // Paper - Fix kick event leave message not being sent // Folia - region threading
super.onDisconnect(reason, quitMessage); // Paper - Fix kick event leave message not being sent
}
@@ -2079,6 +2127,8 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
this.removePlayerFromWorld(null);
}
+ public boolean hackSwitchingConfig; // Folia - rewrite login process
+
private void removePlayerFromWorld(@Nullable net.kyori.adventure.text.Component quitMessage) {
// Paper end - Fix kick event leave message not being sent
this.chatMessageChain.close();
@@ -2091,6 +2141,8 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
this.player.disconnect();
// Paper start - Adventure
quitMessage = quitMessage == null ? this.server.getPlayerList().remove(this.player) : this.server.getPlayerList().remove(this.player, quitMessage); // Paper - pass in quitMessage to fix kick message not being used
+ if (!this.hackSwitchingConfig) this.disconnectPos = this.player.chunkPosition(); // Folia - region threading - note: only set after removing, since it can tick the player
+ if (!this.hackSwitchingConfig) this.player.serverLevel().chunkSource.addTicketAtLevel(DISCONNECT_TICKET, this.disconnectPos, io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL, this.disconnectTicketId); // Folia - region threading - force chunk to be loaded so that the region is not lost
if ((quitMessage != null) && !quitMessage.equals(net.kyori.adventure.text.Component.empty())) {
this.server.getPlayerList().broadcastSystemMessage(PaperAdventure.asVanilla(quitMessage), false);
// Paper end
@@ -2143,7 +2195,9 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
}
// CraftBukkit end
if (ServerGamePacketListenerImpl.isChatMessageIllegal(packet.message())) {
+ // Folia - region threading
this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper - add cause
+ // Folia - region threading
} else {
Optional<LastSeenMessages> optional = this.tryHandleChat(packet.lastSeenMessages());
@@ -2175,21 +2229,22 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
@Override
public void handleChatCommand(ServerboundChatCommandPacket packet) {
if (ServerGamePacketListenerImpl.isChatMessageIllegal(packet.command())) {
+ // Folia - region threading
this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper
+ // Folia - region threading
} else {
Optional<LastSeenMessages> optional = this.tryHandleChat(packet.lastSeenMessages());
if (optional.isPresent()) {
- this.server.submit(() -> {
+ this.player.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { // Folia - region threading
// CraftBukkit start - SPIGOT-7346: Prevent disconnected players from executing commands
if (this.player.hasDisconnected()) {
return;
}
// CraftBukkit end
-
this.performChatCommand(packet, (LastSeenMessages) optional.get());
this.detectRateSpam("/" + packet.command()); // Spigot
- });
+ }, null, 1L); // Folia - region threading
}
}
@@ -2323,7 +2378,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
String originalFormat = event.getFormat(), originalMessage = event.getMessage();
this.cserver.getPluginManager().callEvent(event);
- if (PlayerChatEvent.getHandlerList().getRegisteredListeners().length != 0) {
+ if (false && PlayerChatEvent.getHandlerList().getRegisteredListeners().length != 0) { // Folia - region threading
// Evil plugins still listening to deprecated event
final PlayerChatEvent queueEvent = new PlayerChatEvent(player, event.getMessage(), event.getFormat(), event.getRecipients());
queueEvent.setCancelled(event.isCancelled());
@@ -2434,6 +2489,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
if (s.isEmpty()) {
ServerGamePacketListenerImpl.LOGGER.warn(this.player.getScoreboardName() + " tried to send an empty message");
} else if (this.getCraftPlayer().isConversing()) {
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
final String conversationInput = s;
this.server.processQueue.add(new Runnable() {
@Override
@@ -2674,8 +2730,25 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// Spigot End
public void switchToConfig() {
- this.waitingForSwitchToConfig = true;
+ // Folia start - rewrite login process
+ io.papermc.paper.util.TickThread.ensureTickThread(this.player, "Cannot switch config off-main");
+ if (io.papermc.paper.threadedregions.RegionizedServer.isGlobalTickThread()) {
+ throw new IllegalStateException("Cannot switch config while on global tick thread");
+ }
+ // Folia end - rewrite login process
+ // Folia start - rewrite login process - fix bad ordering of this field write - move after removed from world
+ // the field write ordering is bad as it allows the client to send the response packet before the player is
+ // removed from the world
+ // Folia end - rewrite login process - fix bad ordering of this field write - move after removed from world
+ try { // Folia - rewrite login process - move connection ownership to global region
+ this.hackSwitchingConfig = true; // Folia - rewrite login process - avoid adding logout ticket here and retiring scheduler
this.removePlayerFromWorld();
+ } finally { // Folia start - rewrite login process - move connection ownership to global region
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = this.player.serverLevel().getCurrentWorldData();
+ worldData.connections.remove(this.connection);
+ // once waitingForSwitchToConfig is set, the global tick thread will own the connection
+ } // Folia end - rewrite login process - move connection ownership to global region
+ this.waitingForSwitchToConfig = true; // Folia - rewrite login process - fix bad ordering of this field write - moved down
this.send(new ClientboundStartConfigurationPacket());
}
@@ -2700,7 +2773,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
this.player.resetLastActionTime();
this.player.setShiftKeyDown(packet.isUsingSecondaryAction());
- if (entity != null) {
+ if (io.papermc.paper.util.TickThread.isTickThreadFor(entity) && entity != null) { // Folia - region threading - do not allow interaction of entities outside the current region
if (!worldserver.getWorldBorder().isWithinBounds(entity.blockPosition())) {
return;
}
@@ -2830,6 +2903,12 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
switch (packetplayinclientcommand_enumclientcommand) {
case PERFORM_RESPAWN:
if (this.player.wonGame) {
+ // Folia start - region threading
+ if (true) {
+ this.player.exitEndCredits();
+ return;
+ }
+ // Folia end - region threading
this.player.wonGame = false;
this.player = this.server.getPlayerList().respawn(this.player, this.server.getLevel(this.player.getRespawnDimension()), true, null, true, RespawnReason.END_PORTAL, org.bukkit.event.player.PlayerRespawnEvent.RespawnFlag.END_PORTAL); // Paper - Expand PlayerRespawnEvent
CriteriaTriggers.CHANGED_DIMENSION.trigger(this.player, Level.END, Level.OVERWORLD);
@@ -2838,6 +2917,18 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
return;
}
+ // Folia start - region threading
+ if (true) {
+ this.player.respawn((ServerPlayer player) -> {
+ if (ServerGamePacketListenerImpl.this.server.isHardcore()) {
+ player.setGameMode(GameType.SPECTATOR, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.HARDCORE_DEATH, null); // Paper
+ ((GameRules.BooleanValue) player.level().getGameRules().getRule(GameRules.RULE_SPECTATORSGENERATECHUNKS)).set(false, player.serverLevel()); // Paper
+ }
+ });
+ return;
+ }
+ // Folia end - region threading
+
this.player = this.server.getPlayerList().respawn(this.player, false, RespawnReason.DEATH);
if (this.server.isHardcore()) {
this.player.setGameMode(GameType.SPECTATOR, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.HARDCORE_DEATH, null); // Paper - Expand PlayerGameModeChangeEvent
@@ -3196,7 +3287,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// Paper start - auto recipe limit
if (!org.bukkit.Bukkit.isPrimaryThread()) {
if (this.recipeSpamPackets.addAndGet(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamIncrement) > io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamLimit) {
- this.server.scheduleOnMain(() -> this.disconnect(net.minecraft.network.chat.Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM)); // Paper - kick event cause
+ this.disconnect(net.minecraft.network.chat.Component.translatable("disconnect.spam"), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM); // Paper - kick event cause // Folia - region threading
return;
}
}
@@ -3365,7 +3456,18 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
this.filterTextPacket(list).thenAcceptAsync((list1) -> {
this.updateSignText(packet, list1);
- }, this.server);
+ }, (Runnable run) -> { // Folia start - region threading
+ this.player.getBukkitEntity().taskScheduler.schedule(
+ (player) -> {
+ run.run();
+ },
+ null, 1L);
+ }).whenComplete((Object res, Throwable thr) -> {
+ if (thr != null) {
+ LOGGER.error("Failed to handle sign update packet", thr);
+ }
+ });
+ // Folia end - region threading
}
private void updateSignText(ServerboundSignUpdatePacket packet, List<FilteredText> signText) {
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index c5fa9f4d28f9a7f64a50a902ee5e631bfc00119c..58cdb65083134680230d7070f9f6209f2d32873b 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -83,7 +83,11 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
}
// Paper end - Do not allow logins while the server is shutting down
if (this.state == ServerLoginPacketListenerImpl.State.VERIFYING) {
- if (this.connection.isConnected()) { // Paper - prevent logins to be processed even though disconnect was called
+ // Folia start - region threading - rewrite login process
+ String name = this.authenticatedProfile.getName();
+ java.util.UUID uniqueId = this.authenticatedProfile.getId();
+ if (this.server.getPlayerList().pushPendingJoin(name, uniqueId, this.connection)) {
+ // Folia end - region threading - rewrite login process
this.verifyLoginAndFinishConnectionSetup((GameProfile) Objects.requireNonNull(this.authenticatedProfile));
} // Paper - prevent logins to be processed even though disconnect was called
}
@@ -205,7 +209,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
}));
}
- boolean flag = playerlist.disconnectAllPlayersWithProfile(profile, this.player); // CraftBukkit - add player reference
+ boolean flag = false && playerlist.disconnectAllPlayersWithProfile(profile, this.player); // CraftBukkit - add player reference // Folia - rewrite login process - always false here
if (flag) {
this.state = ServerLoginPacketListenerImpl.State.WAITING_FOR_DUPE_DISCONNECT;
@@ -325,7 +329,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
uniqueId = gameprofile.getId();
// Paper end - Add more fields to AsyncPlayerPreLoginEvent
- if (PlayerPreLoginEvent.getHandlerList().getRegisteredListeners().length != 0) {
+ if (false && PlayerPreLoginEvent.getHandlerList().getRegisteredListeners().length != 0) { // Folia - region threading
final PlayerPreLoginEvent event = new PlayerPreLoginEvent(playerName, address, uniqueId);
if (asyncEvent.getResult() != PlayerPreLoginEvent.Result.ALLOWED) {
event.disallow(asyncEvent.getResult(), asyncEvent.kickMessage()); // Paper - Adventure
diff --git a/src/main/java/net/minecraft/server/players/BanListEntry.java b/src/main/java/net/minecraft/server/players/BanListEntry.java
index 8b1da1fb5ca27432a39aff6dbc452b793268dab5..e83f3676d5a194fa8d3d1567edcb4b6f7847a4c1 100644
--- a/src/main/java/net/minecraft/server/players/BanListEntry.java
+++ b/src/main/java/net/minecraft/server/players/BanListEntry.java
@@ -10,7 +10,7 @@ import net.minecraft.network.chat.Component;
public abstract class BanListEntry<T> extends StoredUserEntry<T> {
- public static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z", Locale.ROOT);
+ public static final ThreadLocal<SimpleDateFormat> DATE_FORMAT = ThreadLocal.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z", Locale.ROOT)); // Folia - region threading - SDF is not thread-safe
public static final String EXPIRES_NEVER = "forever";
protected final Date created;
protected final String source;
@@ -32,7 +32,7 @@ public abstract class BanListEntry<T> extends StoredUserEntry<T> {
Date date;
try {
- date = json.has("created") ? BanListEntry.DATE_FORMAT.parse(json.get("created").getAsString()) : new Date();
+ date = json.has("created") ? BanListEntry.DATE_FORMAT.get().parse(json.get("created").getAsString()) : new Date(); // Folia - region threading - SDF is not thread-safe
} catch (ParseException parseexception) {
date = new Date();
}
@@ -43,7 +43,7 @@ public abstract class BanListEntry<T> extends StoredUserEntry<T> {
Date date1;
try {
- date1 = json.has("expires") ? BanListEntry.DATE_FORMAT.parse(json.get("expires").getAsString()) : null;
+ date1 = json.has("expires") ? BanListEntry.DATE_FORMAT.get().parse(json.get("expires").getAsString()) : null; // Folia - region threading - SDF is not thread-safe
} catch (ParseException parseexception1) {
date1 = null;
}
@@ -78,9 +78,9 @@ public abstract class BanListEntry<T> extends StoredUserEntry<T> {
@Override
protected void serialize(JsonObject json) {
- json.addProperty("created", BanListEntry.DATE_FORMAT.format(this.created));
+ json.addProperty("created", BanListEntry.DATE_FORMAT.get().format(this.created)); // Folia - region threading - SDF is not thread-safe
json.addProperty("source", this.source);
- json.addProperty("expires", this.expires == null ? "forever" : BanListEntry.DATE_FORMAT.format(this.expires));
+ json.addProperty("expires", this.expires == null ? "forever" : BanListEntry.DATE_FORMAT.get().format(this.expires)); // Folia - region threading - SDF is not thread-safe
json.addProperty("reason", this.reason);
}
@@ -89,7 +89,7 @@ public abstract class BanListEntry<T> extends StoredUserEntry<T> {
Date expires = null;
try {
- expires = jsonobject.has("expires") ? BanListEntry.DATE_FORMAT.parse(jsonobject.get("expires").getAsString()) : null;
+ expires = jsonobject.has("expires") ? BanListEntry.DATE_FORMAT.get().parse(jsonobject.get("expires").getAsString()) : null; // Folia - region threading - SDF is not thread-safe
} catch (ParseException ex) {
// Guess we don't have a date
}
diff --git a/src/main/java/net/minecraft/server/players/OldUsersConverter.java b/src/main/java/net/minecraft/server/players/OldUsersConverter.java
index 45d4638d568ea2aee805aa1b0542533019e5870d..599feff33b43623d7c6bd22158afa730efd5370d 100644
--- a/src/main/java/net/minecraft/server/players/OldUsersConverter.java
+++ b/src/main/java/net/minecraft/server/players/OldUsersConverter.java
@@ -510,7 +510,7 @@ public class OldUsersConverter {
Date date1;
try {
- date1 = BanListEntry.DATE_FORMAT.parse(dateString);
+ date1 = BanListEntry.DATE_FORMAT.get().parse(dateString); // Folia - region threading - SDF is not thread-safe
} catch (ParseException parseexception) {
date1 = fallback;
}
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 1e5f709115007ff19901c0a6c3cf884d9e4d3a6c..08daa5ed0b4b599836b97eef1e53e630e7659443 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -132,10 +132,10 @@ public abstract class PlayerList {
public static final Component DUPLICATE_LOGIN_DISCONNECT_MESSAGE = Component.translatable("multiplayer.disconnect.duplicate_login");
private static final Logger LOGGER = LogUtils.getLogger();
private static final int SEND_PLAYER_INFO_INTERVAL = 600;
- private static final SimpleDateFormat BAN_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd 'at' HH:mm:ss z");
+ private static final ThreadLocal<SimpleDateFormat> BAN_DATE_FORMAT = ThreadLocal.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd 'at' HH:mm:ss z")); // Folia - region threading - SDF is not thread-safe
private final MinecraftServer server;
public final List<ServerPlayer> players = new java.util.concurrent.CopyOnWriteArrayList(); // CraftBukkit - ArrayList -> CopyOnWriteArrayList: Iterator safety
- private final Map<UUID, ServerPlayer> playersByUUID = Maps.newHashMap();
+ private final Map<UUID, ServerPlayer> playersByUUID = new java.util.concurrent.ConcurrentHashMap<>(); // Folia - region threading - change to CHM - Note: we do NOT expect concurrency PER KEY!
private final UserBanList bans;
private final IpBanList ipBans;
private final ServerOpList ops;
@@ -156,9 +156,63 @@ public abstract class PlayerList {
// CraftBukkit start
private CraftServer cserver;
- private final Map<String,ServerPlayer> playersByName = new java.util.HashMap<>();
+ private final Map<String,ServerPlayer> playersByName = new java.util.concurrent.ConcurrentHashMap<>(); // Folia - region threading - change to CHM - Note: we do NOT expect concurrency PER KEY!
public @Nullable String collideRuleTeamName; // Paper - Configurable player collision
+ // Folia start - region threading
+ private final Object connectionsStateLock = new Object();
+ private final Map<String, Connection> connectionByName = new java.util.HashMap<>();
+ private final Map<UUID, Connection> connectionById = new java.util.HashMap<>();
+ private final it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<Connection> usersCountedAgainstLimit = new it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<>();
+
+ public boolean pushPendingJoin(String userName, UUID byId, Connection conn) {
+ userName = userName.toLowerCase(java.util.Locale.ROOT);
+ Connection conflictingName, conflictingId;
+ synchronized (this.connectionsStateLock) {
+ conflictingName = this.connectionByName.get(userName);
+ conflictingId = this.connectionById.get(byId);
+
+ if (conflictingName == null && conflictingId == null) {
+ this.connectionByName.put(userName, conn);
+ this.connectionById.put(byId, conn);
+ }
+ }
+
+ Component message = Component.translatable("multiplayer.disconnect.duplicate_login", new Object[0]);
+
+ if (conflictingId != null || conflictingName != null) {
+ if (conflictingName != null && conflictingName.isPlayerConnected()) {
+ conflictingName.disconnectSafely(message, org.bukkit.event.player.PlayerKickEvent.Cause.DUPLICATE_LOGIN);
+ }
+ if (conflictingName != conflictingId && conflictingId != null && conflictingId.isPlayerConnected()) {
+ conflictingId.disconnectSafely(message, org.bukkit.event.player.PlayerKickEvent.Cause.DUPLICATE_LOGIN);
+ }
+ }
+
+ return conflictingName == null && conflictingId == null;
+ }
+
+ public void removeConnection(String userName, UUID byId, Connection conn) {
+ userName = userName.toLowerCase(java.util.Locale.ROOT);
+ synchronized (this.connectionsStateLock) {
+ this.connectionByName.remove(userName, conn);
+ this.connectionById.remove(byId, conn);
+ this.usersCountedAgainstLimit.remove(conn);
+ }
+ }
+
+ private boolean countConnection(Connection conn, int limit) {
+ synchronized (this.connectionsStateLock) {
+ int count = this.usersCountedAgainstLimit.size();
+ if (count >= limit) {
+ return false;
+ }
+ this.usersCountedAgainstLimit.add(conn);
+ return true;
+ }
+ }
+ // Folia end - region threading
+
public PlayerList(MinecraftServer server, LayeredRegistryAccess<RegistryLayer> registryManager, PlayerDataStorage saveHandler, int maxPlayers) {
this.cserver = server.server = new CraftServer((DedicatedServer) server, this);
server.console = new com.destroystokyo.paper.console.TerminalConsoleCommandSender(); // Paper
@@ -179,7 +233,7 @@ public abstract class PlayerList {
}
abstract public void loadAndSaveFiles(); // Paper - fix converting txt to json file; moved from DedicatedPlayerList constructor
- public void placeNewPlayer(Connection connection, ServerPlayer player, CommonListenerCookie clientData) {
+ public void loadSpawnForNewPlayer(final Connection connection, final ServerPlayer player, final CommonListenerCookie clientData, org.apache.commons.lang3.mutable.MutableObject<CompoundTag> data, org.apache.commons.lang3.mutable.MutableObject<String> lastKnownName, ca.spottedleaf.concurrentutil.completable.Completable<Location> toComplete) { // Folia - region threading - rewrite login process
player.isRealPlayer = true; // Paper
player.loginTime = System.currentTimeMillis(); // Paper - Replace OfflinePlayer#getLastPlayed
GameProfile gameprofile = player.getGameProfile();
@@ -258,18 +312,42 @@ public abstract class PlayerList {
player.spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT; // set Player SpawnReason to DEFAULT on first login
// Paper start - reset to main world spawn if first spawn or invalid world
}
+ // Folia start - region threading - rewrite login process
+ // must write to these before toComplete is invoked
+ data.setValue(nbttagcompound);
+ lastKnownName.setValue(s);
+ // Folia end - region threading - rewrite login process
if (nbttagcompound == null || invalidPlayerWorld) {
// Paper end - reset to main world spawn if first spawn or invalid world
- player.fudgeSpawnLocation(worldserver1); // Paper - Don't move existing players to world spawn
+ ServerPlayer.fudgeSpawnLocation(worldserver1, player, toComplete); // Paper - Don't move existing players to world spawn // Folia - region threading
+ } else { // Folia start - region threading - rewrite login process
+ worldserver1.loadChunksForMoveAsync(
+ player.getBoundingBox(),
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGHER,
+ (c) -> {
+ toComplete.complete(io.papermc.paper.util.MCUtil.toLocation(worldserver1, player.position()));
+ }
+ );
}
+ // Folia end - region threading - rewrite login process
// Paper end - Entity#getEntitySpawnReason
+ // Folia start - region threading - rewrite login process
+ return;
+ }
+ // nbttagcomound -> player data
+ // s -> last known name
+ public void placeNewPlayer(Connection connection, ServerPlayer player, CommonListenerCookie clientData, CompoundTag nbttagcompound, String s, Location selectedSpawn) {
+ ServerLevel worldserver1 = ((CraftWorld)selectedSpawn.getWorld()).getHandle();
+ player.setPosRaw(selectedSpawn.getX(), selectedSpawn.getY(), selectedSpawn.getZ());
+ player.lastSave = System.nanoTime(); // changed to nanoTime
+ // Folia end - region threading - rewrite login process
player.setServerLevel(worldserver1);
String s1 = connection.getLoggableAddress(this.server.logIPs());
// Spigot start - spawn location event
Player spawnPlayer = player.getBukkitEntity();
org.spigotmc.event.player.PlayerSpawnLocationEvent ev = new com.destroystokyo.paper.event.player.PlayerInitialSpawnEvent(spawnPlayer, spawnPlayer.getLocation()); // Paper use our duplicate event
- this.cserver.getPluginManager().callEvent(ev);
+ //this.cserver.getPluginManager().callEvent(ev); // Folia - region threading - TODO WTF TO DO WITH THIS EVENT?
Location loc = ev.getSpawnLocation();
worldserver1 = ((CraftWorld) loc.getWorld()).getHandle();
@@ -288,6 +366,10 @@ public abstract class PlayerList {
player.loadGameTypes(nbttagcompound);
ServerGamePacketListenerImpl playerconnection = new ServerGamePacketListenerImpl(this.server, connection, player, clientData);
+ // Folia start - rewrite login process
+ // only after setting the connection listener to game type, add the connection to this regions list
+ worldserver1.getCurrentWorldData().connections.add(connection);
+ // Folia end - rewrite login process
GameRules gamerules = worldserver1.getGameRules();
boolean flag = gamerules.getBoolean(GameRules.RULE_DO_IMMEDIATE_RESPAWN);
boolean flag1 = gamerules.getBoolean(GameRules.RULE_REDUCEDDEBUGINFO);
@@ -303,7 +385,7 @@ public abstract class PlayerList {
this.sendPlayerPermissionLevel(player);
player.getStats().markAllDirty();
player.getRecipeBook().sendInitialRecipeBook(player);
- this.updateEntireScoreboard(worldserver1.getScoreboard(), player);
+ if (false) this.updateEntireScoreboard(worldserver1.getScoreboard(), player); // Folia - region threading
this.server.invalidateStatus();
MutableComponent ichatmutablecomponent;
@@ -345,7 +427,7 @@ public abstract class PlayerList {
this.cserver.getPluginManager().callEvent(playerJoinEvent);
if (!player.connection.isAcceptingMessages()) {
- return;
+ //return; // Folia - region threading - must still allow the player to connect, as we must add to chunk map before handling disconnect
}
final net.kyori.adventure.text.Component jm = playerJoinEvent.joinMessage();
@@ -360,8 +442,7 @@ public abstract class PlayerList {
ClientboundPlayerInfoUpdatePacket packet = ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(List.of(player)); // Paper - Add Listing API for Player
final List<ServerPlayer> onlinePlayers = Lists.newArrayListWithExpectedSize(this.players.size() - 1); // Paper - Use single player info update packet on join
- for (int i = 0; i < this.players.size(); ++i) {
- ServerPlayer entityplayer1 = (ServerPlayer) this.players.get(i);
+ for (ServerPlayer entityplayer1 : this.players) { // Folia - region threading
if (entityplayer1.getBukkitEntity().canSee(bukkitPlayer)) {
// Paper start - Add Listing API for Player
@@ -483,7 +564,7 @@ public abstract class PlayerList {
// Paper start - Configurable player collision; Add to collideRule team if needed
final net.minecraft.world.scores.Scoreboard scoreboard = this.getServer().getLevel(Level.OVERWORLD).getScoreboard();
final PlayerTeam collideRuleTeam = scoreboard.getPlayerTeam(this.collideRuleTeamName);
- if (this.collideRuleTeamName != null && collideRuleTeam != null && player.getTeam() == null) {
+ if (false && this.collideRuleTeamName != null && collideRuleTeam != null && player.getTeam() == null) { // Folia - region threading
scoreboard.addPlayerToTeam(player.getScoreboardName(), collideRuleTeam);
}
// Paper end - Configurable player collision
@@ -577,7 +658,7 @@ public abstract class PlayerList {
protected void save(ServerPlayer player) {
if (!player.getBukkitEntity().isPersistent()) return; // CraftBukkit
- player.lastSave = MinecraftServer.currentTick; // Paper - Incremental chunk and player saving
+ player.lastSave = System.nanoTime(); // Folia - region threading - changed to nanoTime tracking
this.playerIo.save(player);
ServerStatsCounter serverstatisticmanager = (ServerStatsCounter) player.getStats(); // CraftBukkit
@@ -617,7 +698,7 @@ public abstract class PlayerList {
// CraftBukkit end
// Paper start - Configurable player collision; Remove from collideRule team if needed
- if (this.collideRuleTeamName != null) {
+ if (false && this.collideRuleTeamName != null) { // Folia - region threading
final net.minecraft.world.scores.Scoreboard scoreBoard = this.server.getLevel(Level.OVERWORLD).getScoreboard();
final PlayerTeam team = scoreBoard.getPlayersTeam(this.collideRuleTeamName);
if (entityplayer.getTeam() == team && team != null) {
@@ -657,7 +738,7 @@ public abstract class PlayerList {
entityplayer.unRide();
worldserver.removePlayerImmediately(entityplayer, Entity.RemovalReason.UNLOADED_WITH_PLAYER);
- entityplayer.retireScheduler(); // Paper - Folia schedulers
+ // Folia - region threading - move to onDisconnect of common packet listener
entityplayer.getAdvancements().stopListening();
this.players.remove(entityplayer);
this.playersByName.remove(entityplayer.getScoreboardName().toLowerCase(java.util.Locale.ROOT)); // Spigot
@@ -676,8 +757,7 @@ public abstract class PlayerList {
// CraftBukkit start
// this.broadcastAll(new ClientboundPlayerInfoRemovePacket(List.of(entityplayer.getUUID())));
ClientboundPlayerInfoRemovePacket packet = new ClientboundPlayerInfoRemovePacket(List.of(entityplayer.getUUID()));
- for (int i = 0; i < this.players.size(); i++) {
- ServerPlayer entityplayer2 = (ServerPlayer) this.players.get(i);
+ for (ServerPlayer entityplayer2 : this.players) { // Folia - region threading
if (entityplayer2.getBukkitEntity().canSee(entityplayer.getBukkitEntity())) {
entityplayer2.connection.send(packet);
@@ -702,19 +782,12 @@ public abstract class PlayerList {
ServerPlayer entityplayer;
- for (int i = 0; i < this.players.size(); ++i) {
- entityplayer = (ServerPlayer) this.players.get(i);
- if (entityplayer.getUUID().equals(uuid) || (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.isProxyOnlineMode() && entityplayer.getGameProfile().getName().equalsIgnoreCase(gameprofile.getName()))) { // Paper - validate usernames
- list.add(entityplayer);
- }
- }
+ // Folia - region threading - rewrite login process - moved to pushPendingJoin
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
- entityplayer = (ServerPlayer) iterator.next();
- this.save(entityplayer); // CraftBukkit - Force the player's inventory to be saved
- entityplayer.connection.disconnect(Component.translatable("multiplayer.disconnect.duplicate_login"), org.bukkit.event.player.PlayerKickEvent.Cause.DUPLICATE_LOGIN); // Paper - kick event cause
+ // Folia - moved to pushPendingJoin
}
// Instead of kicking then returning, we need to store the kick reason
@@ -733,7 +806,7 @@ public abstract class PlayerList {
ichatmutablecomponent = Component.translatable("multiplayer.disconnect.banned.reason", gameprofilebanentry.getReason());
if (gameprofilebanentry.getExpires() != null) {
- ichatmutablecomponent.append((Component) Component.translatable("multiplayer.disconnect.banned.expiration", PlayerList.BAN_DATE_FORMAT.format(gameprofilebanentry.getExpires())));
+ ichatmutablecomponent.append((Component) Component.translatable("multiplayer.disconnect.banned.expiration", PlayerList.BAN_DATE_FORMAT.get().format(gameprofilebanentry.getExpires()))); // Folia - region threading - SDF is not thread-safe
}
// return chatmessage;
@@ -746,14 +819,14 @@ public abstract class PlayerList {
ichatmutablecomponent = Component.translatable("multiplayer.disconnect.banned_ip.reason", ipbanentry.getReason());
if (ipbanentry.getExpires() != null) {
- ichatmutablecomponent.append((Component) Component.translatable("multiplayer.disconnect.banned_ip.expiration", PlayerList.BAN_DATE_FORMAT.format(ipbanentry.getExpires())));
+ ichatmutablecomponent.append((Component) Component.translatable("multiplayer.disconnect.banned_ip.expiration", PlayerList.BAN_DATE_FORMAT.get().format(ipbanentry.getExpires()))); // Folia - region threading - SDF is not thread-safe
}
// return chatmessage;
event.disallow(PlayerLoginEvent.Result.KICK_BANNED, io.papermc.paper.adventure.PaperAdventure.asAdventure(ichatmutablecomponent)); // Paper - Adventure
} else {
// return this.players.size() >= this.maxPlayers && !this.canBypassPlayerLimit(gameprofile) ? IChatBaseComponent.translatable("multiplayer.disconnect.server_full") : null;
- if (this.players.size() >= this.maxPlayers && !this.canBypassPlayerLimit(gameprofile)) {
+ if (!this.countConnection(loginlistener.connection, this.maxPlayers) && !this.canBypassPlayerLimit(gameprofile)) { // Folia - region threading - we control connection state here now async, not player list size
event.disallow(PlayerLoginEvent.Result.KICK_FULL, net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacySection().deserialize(org.spigotmc.SpigotConfig.serverFullMessage)); // Spigot // Paper - Adventure
}
}
@@ -819,6 +892,11 @@ public abstract class PlayerList {
public ServerPlayer respawn(ServerPlayer entityplayer, ServerLevel worldserver, boolean flag, Location location, boolean avoidSuffocation, RespawnReason reason, org.bukkit.event.player.PlayerRespawnEvent.RespawnFlag...respawnFlags) {
// Paper end - Expand PlayerRespawnEvent
+ // Folia start - region threading
+ if (true) {
+ throw new UnsupportedOperationException("Must use teleportAsync while in region threading");
+ }
+ // Folia end - region threading
entityplayer.stopRiding(); // CraftBukkit
this.players.remove(entityplayer);
this.playersByName.remove(entityplayer.getScoreboardName().toLowerCase(java.util.Locale.ROOT)); // Spigot
@@ -1018,10 +1096,10 @@ public abstract class PlayerList {
public void tick() {
if (++this.sendAllPlayerInfoIn > 600) {
// CraftBukkit start
- for (int i = 0; i < this.players.size(); ++i) {
- final ServerPlayer target = (ServerPlayer) this.players.get(i);
+ ServerPlayer[] players = this.players.toArray(new ServerPlayer[0]); // Folia - region threading
+ for (final ServerPlayer target : players) { // Folia - region threading
- target.connection.send(new ClientboundPlayerInfoUpdatePacket(EnumSet.of(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LATENCY), this.players.stream().filter(new Predicate<ServerPlayer>() {
+ target.connection.send(new ClientboundPlayerInfoUpdatePacket(EnumSet.of(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LATENCY), java.util.Arrays.stream(players).filter(new Predicate<ServerPlayer>() { // Folia - region threading
@Override
public boolean test(ServerPlayer input) {
return target.getBukkitEntity().canSee(input.getBukkitEntity());
@@ -1047,18 +1125,17 @@ public abstract class PlayerList {
// CraftBukkit start - add a world/entity limited version
public void broadcastAll(Packet packet, net.minecraft.world.entity.player.Player entityhuman) {
- for (int i = 0; i < this.players.size(); ++i) {
- ServerPlayer entityplayer = this.players.get(i);
+ for (ServerPlayer entityplayer : this.players) { // Folia - region threading
if (entityhuman != null && !entityplayer.getBukkitEntity().canSee(entityhuman.getBukkitEntity())) {
continue;
}
- ((ServerPlayer) this.players.get(i)).connection.send(packet);
+ entityplayer.connection.send(packet); // Folia - region threading
}
}
public void broadcastAll(Packet packet, Level world) {
- for (int i = 0; i < world.players().size(); ++i) {
- ((ServerPlayer) world.players().get(i)).connection.send(packet);
+ for (net.minecraft.world.entity.player.Player player : world.players()) { // Folia - region threading
+ ((ServerPlayer) player).connection.send(packet); // Folia - region threading
}
}
@@ -1102,8 +1179,7 @@ public abstract class PlayerList {
if (scoreboardteam == null) {
this.broadcastSystemMessage(message, false);
} else {
- for (int i = 0; i < this.players.size(); ++i) {
- ServerPlayer entityplayer = (ServerPlayer) this.players.get(i);
+ for (ServerPlayer entityplayer : this.players) { // Folia - region threading
if (entityplayer.getTeam() != scoreboardteam) {
entityplayer.sendSystemMessage(message);
@@ -1114,10 +1190,12 @@ public abstract class PlayerList {
}
public String[] getPlayerNamesArray() {
- String[] astring = new String[this.players.size()];
+ List<ServerPlayer> players = new java.util.ArrayList<>(this.players); // Folia start - region threading
+ String[] astring = new String[players.size()];
- for (int i = 0; i < this.players.size(); ++i) {
- astring[i] = ((ServerPlayer) this.players.get(i)).getGameProfile().getName();
+ for (int i = 0; i < players.size(); ++i) {
+ astring[i] = ((ServerPlayer) players.get(i)).getGameProfile().getName();
+ // Folia end - region threading
}
return astring;
@@ -1136,7 +1214,9 @@ public abstract class PlayerList {
ServerPlayer entityplayer = this.getPlayer(profile.getId());
if (entityplayer != null) {
+ entityplayer.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> { // Folia - region threading
this.sendPlayerPermissionLevel(entityplayer);
+ }, null, 1L); // Folia - region threading
}
}
@@ -1146,7 +1226,10 @@ public abstract class PlayerList {
ServerPlayer entityplayer = this.getPlayer(profile.getId());
if (entityplayer != null) {
+ entityplayer.getBukkitEntity().taskScheduler.schedule((nmsEntity) -> { // Folia - region threading
this.sendPlayerPermissionLevel(entityplayer);
+ }, null, 1L); // Folia - region threading
+
}
}
@@ -1207,8 +1290,7 @@ public abstract class PlayerList {
}
public void broadcast(@Nullable net.minecraft.world.entity.player.Player player, double x, double y, double z, double distance, ResourceKey<Level> worldKey, Packet<?> packet) {
- for (int i = 0; i < this.players.size(); ++i) {
- ServerPlayer entityplayer = (ServerPlayer) this.players.get(i);
+ for (ServerPlayer entityplayer : this.players) { // Folia - region threading
// CraftBukkit start - Test if player receiving packet can see the source of the packet
if (player != null && !entityplayer.getBukkitEntity().canSee(player.getBukkitEntity())) {
@@ -1238,12 +1320,21 @@ public abstract class PlayerList {
io.papermc.paper.util.MCUtil.ensureMain("Save Players" , () -> { // Paper - Ensure main
MinecraftTimings.savePlayers.startTiming(); // Paper
int numSaved = 0;
- long now = MinecraftServer.currentTick;
- for (int i = 0; i < this.players.size(); ++i) {
- ServerPlayer entityplayer = this.players.get(i);
- if (interval == -1 || now - entityplayer.lastSave >= interval) {
+ long now = System.nanoTime(); // Folia - region threading
+ int max = io.papermc.paper.configuration.GlobalConfiguration.get().playerAutoSave.maxPerTick(); // Folia - region threading
+ long timeInterval = (long)interval * io.papermc.paper.threadedregions.TickRegionScheduler.TIME_BETWEEN_TICKS; // Folia - region threading
+ for (ServerPlayer entityplayer : this.players) { // Folia start - region threading
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(entityplayer)) {
+ continue;
+ }
+ // Folia end - region threading
+ if (interval == -1 || now - entityplayer.lastSave >= timeInterval) { // Folia - region threading
this.save(entityplayer);
- if (interval != -1 && ++numSaved >= io.papermc.paper.configuration.GlobalConfiguration.get().playerAutoSave.maxPerTick()) { break; }
+ // Folia start - region threading
+ if (interval != -1 && max != -1 && ++numSaved >= max) {
+ break;
+ }
+ // Folia end - region threading
}
// Paper end - Incremental chunk and player saving
}
@@ -1362,6 +1453,20 @@ public abstract class PlayerList {
}
public void removeAll(boolean isRestarting) {
+ // Folia start - region threading
+ // just send disconnect packet, don't modify state
+ for (ServerPlayer player : this.players) {
+ final Component shutdownMessage = io.papermc.paper.adventure.PaperAdventure.asVanilla(this.server.server.shutdownMessage()); // Paper - Adventure
+ // CraftBukkit end
+
+ player.connection.send(new net.minecraft.network.protocol.common.ClientboundDisconnectPacket(shutdownMessage), net.minecraft.network.PacketSendListener.thenRun(() -> {
+ player.connection.connection.disconnect(shutdownMessage);
+ }));
+ }
+ if (true) {
+ return;
+ }
+ // Folia end - region threading
// Paper end
// CraftBukkit start - disconnect safely
for (ServerPlayer player : this.players) {
@@ -1371,7 +1476,7 @@ public abstract class PlayerList {
// CraftBukkit end
// Paper start - Configurable player collision; Remove collideRule team if it exists
- if (this.collideRuleTeamName != null) {
+ if (false && this.collideRuleTeamName != null) { // Folia - region threading
final net.minecraft.world.scores.Scoreboard scoreboard = this.getServer().getLevel(Level.OVERWORLD).getScoreboard();
final PlayerTeam team = scoreboard.getPlayersTeam(this.collideRuleTeamName);
if (team != null) scoreboard.removePlayerTeam(team);
diff --git a/src/main/java/net/minecraft/server/players/StoredUserList.java b/src/main/java/net/minecraft/server/players/StoredUserList.java
index 7e133752ccb1ea7c0b4fa781feb1a88e2cfdcf6d..9756d1750f40bda0578f4c965953a27c384e7db2 100644
--- a/src/main/java/net/minecraft/server/players/StoredUserList.java
+++ b/src/main/java/net/minecraft/server/players/StoredUserList.java
@@ -103,6 +103,7 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
}
public void save() throws IOException {
+ synchronized (this) { // Folia - region threading
this.removeExpired(); // Paper - remove expired values before saving
JsonArray jsonarray = new JsonArray();
Stream<JsonObject> stream = this.map.values().stream().map((jsonlistentry) -> { // CraftBukkit - decompile error
@@ -133,10 +134,12 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
if (bufferedwriter != null) {
bufferedwriter.close();
}
+ } // Folia - region threading
}
public void load() throws IOException {
+ synchronized (this) { // Folia - region threading
if (this.file.exists()) {
BufferedReader bufferedreader = Files.newReader(this.file, StandardCharsets.UTF_8);
@@ -193,5 +196,6 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
}
}
+ } // Folia - region threading
}
}
diff --git a/src/main/java/net/minecraft/util/SortedArraySet.java b/src/main/java/net/minecraft/util/SortedArraySet.java
index a6ac76707da39cf86113003b1f326433fdc86c86..531ccc48154b25378e9039478ce7f89be4740bce 100644
--- a/src/main/java/net/minecraft/util/SortedArraySet.java
+++ b/src/main/java/net/minecraft/util/SortedArraySet.java
@@ -90,7 +90,7 @@ public class SortedArraySet<T> extends AbstractSet<T> {
return Arrays.binarySearch(this.contents, 0, this.size, object, this.comparator);
}
- private static int getInsertionPosition(int binarySearchResult) {
+ public static int getInsertionPosition(int binarySearchResult) { // Folia - region threading - public
return -binarySearchResult - 1;
}
@@ -177,6 +177,40 @@ public class SortedArraySet<T> extends AbstractSet<T> {
}
}
// Paper end - rewrite chunk system
+ // Folia start - region threading
+ public int binarySearch(final T search) {
+ return this.findIndex(search);
+ }
+
+ public int insertAndGetIdx(final T value) {
+ final int idx = this.findIndex(value);
+ if (idx >= 0) {
+ // exists already
+ return idx;
+ }
+
+ this.addInternal(value, getInsertionPosition(idx));
+ return idx;
+ }
+
+ public T removeFirst() {
+ final T ret = this.contents[0];
+
+ this.removeInternal(0);
+
+ return ret;
+ }
+
+ public T removeLast() {
+ final int index = --this.size;
+
+ final T ret = this.contents[index];
+
+ this.contents[index] = null;
+
+ return ret;
+ }
+ // Folia end - region threading
@Override
public boolean remove(Object object) {
diff --git a/src/main/java/net/minecraft/util/SpawnUtil.java b/src/main/java/net/minecraft/util/SpawnUtil.java
index c5d54abfcbd74c3041d9a46f77705460fa65ce30..025bf2306851347a12035d81e4dd92a47dc00dba 100644
--- a/src/main/java/net/minecraft/util/SpawnUtil.java
+++ b/src/main/java/net/minecraft/util/SpawnUtil.java
@@ -59,7 +59,7 @@ public class SpawnUtil {
return Optional.of(t0);
}
- t0.discard(null); // CraftBukkit - add Bukkit remove cause
+ //t0.discard(null); // CraftBukkit - add Bukkit remove cause // Folia - region threading
}
}
}
diff --git a/src/main/java/net/minecraft/world/RandomSequences.java b/src/main/java/net/minecraft/world/RandomSequences.java
index b8adc775270a4cc179ce009d41f48c8c898a5b68..281f41edbb08ec2872e42f4fca0082a48e26d8a5 100644
--- a/src/main/java/net/minecraft/world/RandomSequences.java
+++ b/src/main/java/net/minecraft/world/RandomSequences.java
@@ -20,7 +20,7 @@ public class RandomSequences extends SavedData {
private int salt;
private boolean includeWorldSeed = true;
private boolean includeSequenceId = true;
- private final Map<ResourceLocation, RandomSequence> sequences = new Object2ObjectOpenHashMap<>();
+ private final Map<ResourceLocation, RandomSequence> sequences = new java.util.concurrent.ConcurrentHashMap<>(); // Folia - region threading
public static SavedData.Factory<RandomSequences> factory(long seed) {
return new SavedData.Factory<>(() -> {
@@ -116,61 +116,61 @@ public class RandomSequences extends SavedData {
@Override
public RandomSource fork() {
RandomSequences.this.setDirty();
- return this.random.fork();
+ synchronized (this.random) { return this.random.fork(); } // Folia - region threading
}
@Override
public PositionalRandomFactory forkPositional() {
RandomSequences.this.setDirty();
- return this.random.forkPositional();
+ synchronized (this.random) { return this.random.forkPositional(); } // Folia - region threading
}
@Override
public void setSeed(long seed) {
RandomSequences.this.setDirty();
- this.random.setSeed(seed);
+ synchronized (this.random) { this.random.setSeed(seed); } // Folia - region threading
}
@Override
public int nextInt() {
RandomSequences.this.setDirty();
- return this.random.nextInt();
+ synchronized (this.random) { return this.random.nextInt(); } // Folia - region threading
}
@Override
public int nextInt(int bound) {
RandomSequences.this.setDirty();
- return this.random.nextInt(bound);
+ synchronized (this.random) { return this.random.nextInt(bound); } // Folia - region threading
}
@Override
public long nextLong() {
RandomSequences.this.setDirty();
- return this.random.nextLong();
+ synchronized (this.random) { return this.random.nextLong(); } // Folia - region threading
}
@Override
public boolean nextBoolean() {
RandomSequences.this.setDirty();
- return this.random.nextBoolean();
+ synchronized (this.random) { return this.random.nextBoolean(); } // Folia - region threading
}
@Override
public float nextFloat() {
RandomSequences.this.setDirty();
- return this.random.nextFloat();
+ synchronized (this.random) { return this.random.nextFloat(); } // Folia - region threading
}
@Override
public double nextDouble() {
RandomSequences.this.setDirty();
- return this.random.nextDouble();
+ synchronized (this.random) { return this.random.nextDouble(); } // Folia - region threading
}
@Override
public double nextGaussian() {
RandomSequences.this.setDirty();
- return this.random.nextGaussian();
+ synchronized (this.random) { return this.random.nextGaussian(); } // Folia - region threading
}
@Override
diff --git a/src/main/java/net/minecraft/world/damagesource/CombatTracker.java b/src/main/java/net/minecraft/world/damagesource/CombatTracker.java
index 9c99b2e365aacb8309f29acb9025faccd2c676b3..d02bc26812321745795d2f0bc3705addd0be912d 100644
--- a/src/main/java/net/minecraft/world/damagesource/CombatTracker.java
+++ b/src/main/java/net/minecraft/world/damagesource/CombatTracker.java
@@ -52,7 +52,7 @@ public class CombatTracker {
private Component getMessageForAssistedFall(Entity attacker, Component attackerDisplayName, String itemDeathTranslationKey, String deathTranslationKey) {
ItemStack var10000;
- if (attacker instanceof LivingEntity livingEntity) {
+ if (attacker instanceof LivingEntity livingEntity && io.papermc.paper.util.TickThread.isTickThreadFor(livingEntity)) { // Folia - region threading
var10000 = livingEntity.getMainHandItem();
} else {
var10000 = ItemStack.EMPTY;
@@ -81,7 +81,7 @@ public class CombatTracker {
@Nullable
private static Component getDisplayName(@Nullable Entity entity) {
- return entity == null ? null : entity.getDisplayName();
+ return entity == null || !io.papermc.paper.util.TickThread.isTickThreadFor(entity) ? null : entity.getDisplayName(); // Folia - region threading
}
public Component getDeathMessage() {
diff --git a/src/main/java/net/minecraft/world/damagesource/DamageSource.java b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
index b26e4d58ea1898a5e4b31c3d6ab33f38835ab2c6..90781fffbb7e6293d3a30d6041dc30186c84caaf 100644
--- a/src/main/java/net/minecraft/world/damagesource/DamageSource.java
+++ b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
@@ -156,13 +156,13 @@ public class DamageSource {
LivingEntity entityliving1 = killed.getKillCredit();
String s1 = s + ".player";
- return entityliving1 != null ? Component.translatable(s1, killed.getDisplayName(), entityliving1.getDisplayName()) : Component.translatable(s, killed.getDisplayName());
+ return entityliving1 != null && io.papermc.paper.util.TickThread.isTickThreadFor(entityliving1) ? Component.translatable(s1, killed.getDisplayName(), entityliving1.getDisplayName()) : Component.translatable(s, killed.getDisplayName()); // Folia - region threading
} else {
Component ichatbasecomponent = this.causingEntity == null ? this.directEntity.getDisplayName() : this.causingEntity.getDisplayName();
Entity entity = this.causingEntity;
ItemStack itemstack;
- if (entity instanceof LivingEntity) {
+ if (entity instanceof LivingEntity livingEntity && io.papermc.paper.util.TickThread.isTickThreadFor(livingEntity)) { // Folia - region threading
LivingEntity entityliving2 = (LivingEntity) entity;
itemstack = entityliving2.getMainHandItem();
diff --git a/src/main/java/net/minecraft/world/damagesource/FallLocation.java b/src/main/java/net/minecraft/world/damagesource/FallLocation.java
index ea27b46eec01bda427653335f922ccd068cffcb5..e551d3b875eab6851b75041f418c9a085a8903b6 100644
--- a/src/main/java/net/minecraft/world/damagesource/FallLocation.java
+++ b/src/main/java/net/minecraft/world/damagesource/FallLocation.java
@@ -39,7 +39,7 @@ public record FallLocation(String id) {
@Nullable
public static FallLocation getCurrentFallLocation(LivingEntity entity) {
Optional<BlockPos> optional = entity.getLastClimbablePos();
- if (optional.isPresent()) {
+ if (optional.isPresent() && io.papermc.paper.util.TickThread.isTickThreadFor((net.minecraft.server.level.ServerLevel)entity.level(), optional.get())) { // Folia - region threading
BlockState blockState = entity.level().getBlockState(optional.get());
return blockToFallLocation(blockState);
} else {
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index b2eff51f1ad1e702525ef298807ea7d2083f6218..39434804e84418e44d595012e8f2191176347e25 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -170,7 +170,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
// Paper start - Share random for entities to make them more random
public static RandomSource SHARED_RANDOM = new RandomRandomSource();
- private static final class RandomRandomSource extends java.util.Random implements net.minecraft.world.level.levelgen.BitRandomSource {
+ public static final class RandomRandomSource extends java.util.Random implements net.minecraft.world.level.levelgen.BitRandomSource { // Folia - region threading
private boolean locked = false;
@Override
@@ -244,7 +244,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
public boolean collisionLoadChunks = false; // Paper
- private CraftEntity bukkitEntity;
+ private volatile CraftEntity bukkitEntity; // Folia - region threading
public @org.jetbrains.annotations.Nullable net.minecraft.server.level.ChunkMap.TrackedEntity tracker; // Paper
public CraftEntity getBukkitEntity() {
@@ -479,28 +479,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
this.isLegacyTrackingEntity = isLegacyTrackingEntity;
}
- public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> getPlayersInTrackRange() {
- // determine highest range of passengers
- if (this.passengers.isEmpty()) {
- return ((ServerLevel)this.level).getChunkSource().chunkMap.playerEntityTrackerTrackMaps[this.trackingRangeType.ordinal()]
- .getObjectsInRange(MCUtil.getCoordinateKey(this));
- }
- Iterable<Entity> passengers = this.getIndirectPassengers();
- net.minecraft.server.level.ChunkMap chunkMap = ((ServerLevel)this.level).getChunkSource().chunkMap;
- org.spigotmc.TrackingRange.TrackingRangeType type = this.trackingRangeType;
- int range = chunkMap.getEntityTrackerRange(type.ordinal());
-
- for (Entity passenger : passengers) {
- org.spigotmc.TrackingRange.TrackingRangeType passengerType = passenger.trackingRangeType;
- int passengerRange = chunkMap.getEntityTrackerRange(passengerType.ordinal());
- if (passengerRange > range) {
- type = passengerType;
- range = passengerRange;
- }
- }
-
- return chunkMap.playerEntityTrackerTrackMaps[type.ordinal()].getObjectsInRange(MCUtil.getCoordinateKey(this));
- }
+ // Folia - region ticking
// Paper end - optimise entity tracking
public float getBukkitYaw() {
return this.yRot;
@@ -567,6 +546,16 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
public boolean updatingSectionStatus = false;
// Paper end
+ // Folia start - region ticking
+ public void updateTicks(long fromTickOffset, long fromRedstoneTimeOffset) {
+ if (this.activatedTick != Integer.MIN_VALUE) {
+ this.activatedTick += fromTickOffset;
+ }
+ if (this.activatedImmunityTick != Integer.MIN_VALUE) {
+ this.activatedImmunityTick += fromTickOffset;
+ }
+ }
+ // Folia end - region ticking
public Entity(EntityType<?> type, Level world) {
this.id = Entity.ENTITY_COUNTER.incrementAndGet();
@@ -825,6 +814,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
// CraftBukkit start
public void postTick() {
+ // Folia start - region threading
+ // moved to doPortalLogic
+ if (true) {
+ return;
+ }
+ // Folia end - region threading
// No clean way to break out of ticking once the entity has been copied to a new world, so instead we move the portalling later in the tick cycle
if (!(this instanceof ServerPlayer) && this.isAlive()) { // Paper - don't attempt to teleport dead entities
this.handleNetherPortal();
@@ -847,7 +842,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
this.walkDistO = this.walkDist;
this.xRotO = this.getXRot();
this.yRotO = this.getYRot();
- if (this instanceof ServerPlayer) this.handleNetherPortal(); // CraftBukkit - // Moved up to postTick
+ //if (this instanceof ServerPlayer) this.handleNetherPortal(); // CraftBukkit - // Moved up to postTick // Folia - region threading - ONLY allow in postTick()
if (this.canSpawnSprintParticle()) {
this.spawnSprintParticle();
}
@@ -1105,8 +1100,8 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
} else {
this.wasOnFire = this.isOnFire();
if (movementType == MoverType.PISTON) {
- this.activatedTick = Math.max(this.activatedTick, MinecraftServer.currentTick + 20); // Paper
- this.activatedImmunityTick = Math.max(this.activatedImmunityTick, MinecraftServer.currentTick + 20); // Paper
+ this.activatedTick = Math.max(this.activatedTick, io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() + 20); // Paper
+ this.activatedImmunityTick = Math.max(this.activatedImmunityTick, io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() + 20); // Paper
movement = this.limitPistonMovement(movement);
if (movement.equals(Vec3.ZERO)) {
return;
@@ -3018,7 +3013,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
this.passengers = ImmutableList.copyOf(list);
}
- this.gameEvent(GameEvent.ENTITY_MOUNT, passenger);
+ if (!passenger.hasNullCallback()) this.gameEvent(GameEvent.ENTITY_MOUNT, passenger); // Folia - region threading - do not fire game events for entities not added
}
}
@@ -3066,7 +3061,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
}
entity.boardingCooldown = 60;
- this.gameEvent(GameEvent.ENTITY_DISMOUNT, entity);
+ if (!entity.hasNullCallback()) this.gameEvent(GameEvent.ENTITY_DISMOUNT, entity); // Folia - region threading - do not fire game events for entities not added
}
return true; // CraftBukkit
}
@@ -3346,6 +3341,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
@Nullable
public PlayerTeam getTeam() {
+ // Folia start - region threading
+ if (true) {
+ return null;
+ }
+ // Folia end - region threading
if (!this.level().paperConfig().scoreboards.allowNonPlayerEntitiesOnScoreboards && !(this instanceof Player)) { return null; } // Paper - Perf: Disable Scoreboards for non players by default
return this.level().getScoreboard().getPlayersTeam(this.getScoreboardName());
}
@@ -3635,6 +3635,775 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
this.portalEntrancePos = original.portalEntrancePos;
}
+ // Folia start - region threading
+ public static class EntityTreeNode {
+ @Nullable
+ public EntityTreeNode parent;
+ public Entity root;
+ @Nullable
+ public EntityTreeNode[] passengers;
+
+ public EntityTreeNode(EntityTreeNode parent, Entity root) {
+ this.parent = parent;
+ this.root = root;
+ }
+
+ public EntityTreeNode(EntityTreeNode parent, Entity root, EntityTreeNode[] passengers) {
+ this.parent = parent;
+ this.root = root;
+ this.passengers = passengers;
+ }
+
+ public List<EntityTreeNode> getFullTree() {
+ List<EntityTreeNode> ret = new java.util.ArrayList<>();
+ ret.add(this);
+
+ // this is just a BFS except we don't remove from head, we just advance down the list
+ for (int i = 0; i < ret.size(); ++i) {
+ EntityTreeNode node = ret.get(i);
+
+ EntityTreeNode[] passengers = node.passengers;
+ if (passengers == null) {
+ continue;
+ }
+ for (EntityTreeNode passenger : passengers) {
+ ret.add(passenger);
+ }
+ }
+
+ return ret;
+ }
+
+ public void restore() {
+ java.util.ArrayDeque<EntityTreeNode> queue = new java.util.ArrayDeque<>();
+ queue.add(this);
+
+ EntityTreeNode curr;
+ while ((curr = queue.pollFirst()) != null) {
+ EntityTreeNode[] passengers = curr.passengers;
+ if (passengers == null) {
+ continue;
+ }
+
+ List<Entity> newPassengers = new java.util.ArrayList<>();
+ for (EntityTreeNode passenger : passengers) {
+ newPassengers.add(passenger.root);
+ passenger.root.vehicle = curr.root;
+ }
+
+ curr.root.passengers = ImmutableList.copyOf(newPassengers);
+ }
+ }
+
+ public void addTracker() {
+ for (final EntityTreeNode node : this.getFullTree()) {
+ if (node.root.tracker != null) {
+ for (final ServerPlayer player : node.root.level.getLocalPlayers()) {
+ node.root.tracker.updatePlayer(player);
+ }
+ }
+ }
+ }
+
+ public void clearTracker() {
+ for (final EntityTreeNode node : this.getFullTree()) {
+ if (node.root.tracker != null) {
+ node.root.tracker.removeNonTickThreadPlayers();
+ for (final ServerPlayer player : node.root.level.getLocalPlayers()) {
+ node.root.tracker.removePlayer(player);
+ }
+ }
+ }
+ }
+
+ public void adjustRiders(boolean teleport) {
+ java.util.ArrayDeque<EntityTreeNode> queue = new java.util.ArrayDeque<>();
+ queue.add(this);
+
+ EntityTreeNode curr;
+ while ((curr = queue.pollFirst()) != null) {
+ EntityTreeNode[] passengers = curr.passengers;
+ if (passengers == null) {
+ continue;
+ }
+
+ for (EntityTreeNode passenger : passengers) {
+ curr.root.positionRider(passenger.root, teleport ? Entity::moveTo : Entity::setPos);
+ }
+ }
+ }
+ }
+
+ public void repositionAllPassengers(boolean teleport) {
+ this.makePassengerTree().adjustRiders(teleport);
+ }
+
+ protected EntityTreeNode makePassengerTree() {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot read passengers off of the main thread");
+
+ EntityTreeNode root = new EntityTreeNode(null, this);
+ java.util.ArrayDeque<EntityTreeNode> queue = new java.util.ArrayDeque<>();
+ queue.add(root);
+ EntityTreeNode curr;
+ while ((curr = queue.pollFirst()) != null) {
+ Entity vehicle = curr.root;
+ List<Entity> passengers = vehicle.passengers;
+ if (passengers.isEmpty()) {
+ continue;
+ }
+
+ EntityTreeNode[] treePassengers = new EntityTreeNode[passengers.size()];
+ curr.passengers = treePassengers;
+
+ for (int i = 0; i < passengers.size(); ++i) {
+ Entity passenger = passengers.get(i);
+ queue.addLast(treePassengers[i] = new EntityTreeNode(curr, passenger));
+ }
+ }
+
+ return root;
+ }
+
+ protected EntityTreeNode detachPassengers() {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot adjust passengers/vehicle off of the main thread");
+
+ EntityTreeNode root = new EntityTreeNode(null, this);
+ java.util.ArrayDeque<EntityTreeNode> queue = new java.util.ArrayDeque<>();
+ queue.add(root);
+ EntityTreeNode curr;
+ while ((curr = queue.pollFirst()) != null) {
+ Entity vehicle = curr.root;
+ List<Entity> passengers = vehicle.passengers;
+ if (passengers.isEmpty()) {
+ continue;
+ }
+
+ vehicle.passengers = ImmutableList.of();
+
+ EntityTreeNode[] treePassengers = new EntityTreeNode[passengers.size()];
+ curr.passengers = treePassengers;
+
+ for (int i = 0; i < passengers.size(); ++i) {
+ Entity passenger = passengers.get(i);
+ passenger.vehicle = null;
+ queue.addLast(treePassengers[i] = new EntityTreeNode(curr, passenger));
+ }
+ }
+
+ return root;
+ }
+
+ /**
+ * This flag will perform an async load on the chunks determined by
+ * the entity's bounding box before teleporting the entity.
+ */
+ public static final long TELEPORT_FLAG_LOAD_CHUNK = 1L << 0;
+ /**
+ * This flag requires the entity being teleported to be a root vehicle.
+ * Thus, if you want to teleport a non-root vehicle, you must dismount
+ * the target entity before calling teleport, otherwise the
+ * teleport will be refused.
+ */
+ public static final long TELEPORT_FLAG_TELEPORT_PASSENGERS = 1L << 1;
+ /**
+ * The flag will dismount any passengers and dismout from the current vehicle
+ * to teleport if and only if dismounting would result in the teleport being allowed.
+ */
+ public static final long TELEPORT_FLAG_UNMOUNT = 1L << 2;
+
+ protected void placeSingleSync(ServerLevel originWorld, ServerLevel destination, EntityTreeNode treeNode, long teleportFlags) {
+ destination.addDuringTeleport(this);
+ }
+
+ protected final void placeInAsync(ServerLevel originWorld, ServerLevel destination, long teleportFlags,
+ EntityTreeNode passengerTree, java.util.function.Consumer<Entity> teleportComplete) {
+ Vec3 pos = this.position();
+ ChunkPos posChunk = new ChunkPos(
+ io.papermc.paper.util.CoordinateUtils.getChunkX(pos),
+ io.papermc.paper.util.CoordinateUtils.getChunkZ(pos)
+ );
+
+ // ensure the region is always ticking in case of a shutdown
+ // otherwise, the shutdown will not be able to complete the shutdown as it requires a ticking region
+ Long teleportHoldId = Long.valueOf(TELEPORT_HOLD_TICKET_GEN.getAndIncrement());
+ originWorld.chunkSource.addTicketAtLevel(
+ TicketType.TELEPORT_HOLD_TICKET, posChunk,
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL,
+ teleportHoldId
+ );
+ final ServerLevel.PendingTeleport pendingTeleport = new ServerLevel.PendingTeleport(passengerTree, pos);
+ destination.pushPendingTeleport(pendingTeleport);
+
+ Runnable scheduleEntityJoin = () -> {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ destination,
+ io.papermc.paper.util.CoordinateUtils.getChunkX(pos), io.papermc.paper.util.CoordinateUtils.getChunkZ(pos),
+ () -> {
+ if (!destination.removePendingTeleport(pendingTeleport)) {
+ // shutdown logic placed the entity already, and we are shutting down - do nothing to ensure
+ // we do not produce any errors here
+ return;
+ }
+ originWorld.chunkSource.removeTicketAtLevel(
+ TicketType.TELEPORT_HOLD_TICKET, posChunk,
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL,
+ teleportHoldId
+ );
+ List<EntityTreeNode> fullTree = passengerTree.getFullTree();
+ for (EntityTreeNode node : fullTree) {
+ node.root.placeSingleSync(originWorld, destination, node, teleportFlags);
+ }
+
+ // restore passenger tree
+ passengerTree.restore();
+ passengerTree.adjustRiders(true);
+
+ // invoke post dimension change now
+ for (EntityTreeNode node : fullTree) {
+ node.root.postChangeDimension();
+ }
+
+ if (teleportComplete != null) {
+ teleportComplete.accept(Entity.this);
+ }
+ }
+ );
+ };
+
+ if ((teleportFlags & TELEPORT_FLAG_LOAD_CHUNK) != 0L) {
+ destination.loadChunksForMoveAsync(
+ Entity.this.getBoundingBox(), ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGHER,
+ (chunkList) -> {
+ for (net.minecraft.world.level.chunk.ChunkAccess chunk : chunkList) {
+ destination.chunkSource.addTicketAtLevel(
+ TicketType.POST_TELEPORT, chunk.getPos(),
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.FULL_LOADED_TICKET_LEVEL,
+ Integer.valueOf(Entity.this.getId())
+ );
+ }
+ scheduleEntityJoin.run();
+ }
+ );
+ } else {
+ scheduleEntityJoin.run();
+ }
+ }
+
+ protected boolean canTeleportAsync() {
+ return !this.hasNullCallback() && !this.isRemoved() && this.isAlive() && (!(this instanceof net.minecraft.world.entity.LivingEntity livingEntity) || !livingEntity.isSleeping());
+ }
+
+ // Mojang for whatever reason has started storing positions to cache certain physics properties that entities collide with
+ // As usual though, they don't properly do anything to prevent serious desync with respect to the current entity position
+ // We add additional logic to reset these before teleporting to prevent issues with them possibly tripping thread checks.
+ protected void resetStoredPositions() {
+ this.mainSupportingBlockPos = Optional.empty();
+ }
+
+ protected void teleportSyncSameRegion(Vec3 pos, Float yaw, Float pitch, Vec3 speedDirectionUpdate) {
+ if (yaw != null) {
+ this.setYRot(yaw.floatValue());
+ this.setYHeadRot(yaw.floatValue());
+ }
+ if (pitch != null) {
+ this.setXRot(pitch.floatValue());
+ }
+ if (speedDirectionUpdate != null) {
+ this.setDeltaMovement(speedDirectionUpdate.normalize().scale(this.getDeltaMovement().length()));
+ }
+ this.moveTo(pos.x, pos.y, pos.z);
+ this.resetStoredPositions();
+ }
+
+ protected void transform(Vec3 pos, Float yaw, Float pitch, Vec3 speedDirectionUpdate) {
+ if (yaw != null) {
+ this.setYRot(yaw.floatValue());
+ this.setYHeadRot(yaw.floatValue());
+ }
+ if (pitch != null) {
+ this.setXRot(pitch.floatValue());
+ }
+ if (speedDirectionUpdate != null) {
+ this.setDeltaMovement(speedDirectionUpdate);
+ }
+ if (pos != null) {
+ this.setPosRaw(pos.x, pos.y, pos.z);
+ }
+ }
+
+ protected Entity transformForAsyncTeleport(ServerLevel destination, Vec3 pos, Float yaw, Float pitch, Vec3 speedDirectionUpdate) {
+ this.removeAfterChangingDimensions(); // remove before so that any CBEntity#getHandle call affects this entity before copying
+
+ Entity copy = this.getType().create(destination);
+ copy.restoreFrom(this);
+ copy.transform(pos, yaw, pitch, speedDirectionUpdate);
+ // vanilla code used to call remove _after_ copying, and some stuff is required to be after copy - so add hook here
+ // for example, clearing of inventory after switching dimensions
+ this.postRemoveAfterChangingDimensions();
+
+ return copy;
+ }
+
+ public final boolean teleportAsync(ServerLevel destination, Vec3 pos, Float yaw, Float pitch, Vec3 speedDirectionUpdate,
+ org.bukkit.event.player.PlayerTeleportEvent.TeleportCause cause, long teleportFlags,
+ java.util.function.Consumer<Entity> teleportComplete) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot teleport entity async");
+
+ if (!ServerLevel.isInSpawnableBounds(new BlockPos(io.papermc.paper.util.CoordinateUtils.getBlockX(pos), io.papermc.paper.util.CoordinateUtils.getBlockY(pos), io.papermc.paper.util.CoordinateUtils.getBlockZ(pos)))) {
+ return false;
+ }
+
+ if (!this.canTeleportAsync()) {
+ return false;
+ }
+ this.getBukkitEntity(); // force bukkit entity to be created before TPing
+ if ((teleportFlags & TELEPORT_FLAG_UNMOUNT) == 0L) {
+ for (Entity entity : this.getIndirectPassengers()) {
+ if (!entity.canTeleportAsync()) {
+ return false;
+ }
+ entity.getBukkitEntity(); // force bukkit entity to be created before TPing
+ }
+ } else {
+ this.unRide();
+ }
+
+ if ((teleportFlags & TELEPORT_FLAG_TELEPORT_PASSENGERS) != 0L) {
+ if (this.isPassenger()) {
+ return false;
+ }
+ } else {
+ if (this.isVehicle() || this.isPassenger()) {
+ return false;
+ }
+ }
+
+ // TODO any events that can modify go HERE
+
+ // check for same region
+ if (destination == this.level()) {
+ Vec3 currPos = this.position();
+ if (
+ destination.regioniser.getRegionAtUnsynchronised(
+ io.papermc.paper.util.CoordinateUtils.getChunkX(currPos), io.papermc.paper.util.CoordinateUtils.getChunkZ(currPos)
+ ) == destination.regioniser.getRegionAtUnsynchronised(
+ io.papermc.paper.util.CoordinateUtils.getChunkX(pos), io.papermc.paper.util.CoordinateUtils.getChunkZ(pos)
+ )
+ ) {
+ EntityTreeNode passengerTree = this.detachPassengers();
+ // Note: The client does not accept position updates for controlled entities. So, we must
+ // perform a lot of tracker updates here to make it all work out.
+
+ // first, clear the tracker
+ passengerTree.clearTracker();
+ for (EntityTreeNode entity : passengerTree.getFullTree()) {
+ entity.root.teleportSyncSameRegion(pos, yaw, pitch, speedDirectionUpdate);
+ }
+
+ passengerTree.restore();
+ // re-add to the tracker once the tree is restored
+ passengerTree.addTracker();
+
+ // adjust entities to final position
+ passengerTree.adjustRiders(true);
+
+ // the tracker clear/add logic is only used in the same region, as the other logic
+ // performs add/remove from world logic which will also perform add/remove tracker logic
+
+ if (teleportComplete != null) {
+ teleportComplete.accept(this);
+ }
+ return true;
+ }
+ }
+
+ EntityTreeNode passengerTree = this.detachPassengers();
+ List<EntityTreeNode> fullPassengerTree = passengerTree.getFullTree();
+ ServerLevel originWorld = (ServerLevel)this.level;
+
+ for (EntityTreeNode node : fullPassengerTree) {
+ node.root.preChangeDimension();
+ }
+
+ for (EntityTreeNode node : fullPassengerTree) {
+ node.root = node.root.transformForAsyncTeleport(destination, pos, yaw, pitch, speedDirectionUpdate);
+ }
+
+ passengerTree.root.placeInAsync(originWorld, destination, teleportFlags, passengerTree, teleportComplete);
+
+ return true;
+ }
+
+ public void preChangeDimension() {
+
+ }
+
+ public void postChangeDimension() {
+ this.resetStoredPositions();
+ }
+
+ protected static enum PortalType {
+ NETHER, END;
+ }
+
+ public boolean doPortalLogic() {
+ if (this.tryNetherPortal()) {
+ return true;
+ }
+ if (this.tryEndPortal()) {
+ return true;
+ }
+ return false;
+ }
+
+ protected boolean tryEndPortal() {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot portal entity async");
+ BlockPos pos = this.portalBlock;
+ ServerLevel world = this.portalWorld;
+ this.portalBlock = null;
+ this.portalWorld = null;
+
+ if (pos == null || world == null || world != this.level) {
+ return false;
+ }
+
+ if (this.isPassenger() || this.isVehicle() || !this.canChangeDimensions() || this.isRemoved() || !this.valid || !this.isAlive()) {
+ return false;
+ }
+
+ return this.endPortalLogicAsync();
+ }
+
+ protected boolean tryNetherPortal() {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot portal entity async");
+
+ int portalWaitTime = this.getPortalWaitTime();
+
+ if (this.isInsidePortal) {
+ // if we are in a nether portal still, this flag will be set next tick.
+ this.isInsidePortal = false;
+ if (this.portalTime++ >= portalWaitTime) {
+ this.portalTime = portalWaitTime;
+ if (this.netherPortalLogicAsync()) {
+ return true;
+ }
+ }
+ } else {
+ // rapidly decrease portal time
+ this.portalTime = Math.max(0, this.portalTime - 4);
+ }
+
+ this.processPortalCooldown();
+ return false;
+ }
+
+ public boolean endPortalLogicAsync() {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot portal entity async");
+
+ ServerLevel destination = this.getServer().getLevel(this.level().getTypeKey() == LevelStem.END ? Level.OVERWORLD : Level.END);
+ if (destination == null) {
+ // wat
+ return false;
+ }
+
+ return this.portalToAsync(destination, false, PortalType.END, null);
+ }
+
+ public boolean netherPortalLogicAsync() {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot portal entity async");
+
+ ServerLevel destination = this.getServer().getLevel(this.level().getTypeKey() == LevelStem.NETHER ? Level.OVERWORLD : Level.NETHER);
+ if (destination == null) {
+ // wat
+ return false;
+ }
+
+ return this.portalToAsync(destination, false, PortalType.NETHER, null);
+ }
+
+ private static final java.util.concurrent.atomic.AtomicLong CREATE_PORTAL_DOUBLE_CHECK = new java.util.concurrent.atomic.AtomicLong();
+ private static final java.util.concurrent.atomic.AtomicLong TELEPORT_HOLD_TICKET_GEN = new java.util.concurrent.atomic.AtomicLong();
+
+ // To simplify portal logic, in region threading both players
+ // and non-player entities will create portals. By guaranteeing
+ // that the teleportation can take place, we can simply
+ // remove the entity, find/create the portal, and place async.
+ // If we have to worry about whether the entity may not teleport,
+ // we need to first search, then report back, ...
+ protected void findOrCreatePortalAsync(ServerLevel origin, ServerLevel destination, PortalType type,
+ ca.spottedleaf.concurrentutil.completable.Completable<PortalInfo> portalInfoCompletable) {
+ switch (type) {
+ // end portal logic is quite simple, the spawn in the end is fixed and when returning to the overworld
+ // we just select the spawn position
+ case END: {
+ if (destination.getTypeKey() == LevelStem.END) {
+ BlockPos targetPos = ServerLevel.END_SPAWN_POINT;
+ // need to load chunks so we can create the platform
+ destination.loadChunksAsync(
+ targetPos, 16, // load 16 blocks to be safe from block physics
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGH,
+ (chunks) -> {
+ ServerLevel.makeObsidianPlatform(destination, null, targetPos);
+
+ // the portal obsidian is placed at targetPos.y - 2, so if we want to place the entity
+ // on the obsidian, we need to spawn at targetPos.y - 1
+ portalInfoCompletable.complete(
+ new PortalInfo(Vec3.atBottomCenterOf(targetPos.below()), Vec3.ZERO, 90.0f, 0.0f, destination, null)
+ );
+ }
+ );
+ } else {
+ BlockPos spawnPos = destination.getSharedSpawnPos();
+ // need to load chunk for heightmap
+ destination.loadChunksAsync(
+ spawnPos, 0,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGH,
+ (chunks) -> {
+ BlockPos adjustedSpawn = destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, spawnPos);
+
+ // done
+ portalInfoCompletable.complete(
+ new PortalInfo(Vec3.atBottomCenterOf(adjustedSpawn), Vec3.ZERO, 90.0f, 0.0f, destination, null)
+ );
+ }
+ );
+ }
+
+ break;
+ }
+ // for the nether logic, we need to first load the chunks in radius to empty (so that POI is created)
+ // then we can search for an existing portal using the POI routines
+ // if we don't find a portal, then we bring the chunks in the create radius to full and
+ // create it
+ case NETHER: {
+ // hoisted from the create fallback, so that we can avoid the sync load later if we need it
+ BlockState originalPortalBlock = this.portalEntrancePos == null ? null : origin.getBlockStateIfLoaded(this.portalEntrancePos);
+ Direction.Axis originalPortalDirection = originalPortalBlock == null ? Direction.Axis.X :
+ originalPortalBlock.getOptionalValue(net.minecraft.world.level.block.NetherPortalBlock.AXIS).orElse(Direction.Axis.X);
+ BlockUtil.FoundRectangle originalPortalRectangle =
+ originalPortalBlock == null || !originalPortalBlock.hasProperty(BlockStateProperties.HORIZONTAL_AXIS)
+ ? null
+ : BlockUtil.getLargestRectangleAround(
+ this.portalEntrancePos, originalPortalDirection, 21, Direction.Axis.Y, 21,
+ (blockpos) -> {
+ return origin.getBlockStateFromEmptyChunkIfLoaded(blockpos) == originalPortalBlock;
+ }
+ );
+
+ boolean destinationIsNether = destination.getTypeKey() == LevelStem.NETHER;
+
+ int portalSearchRadius = origin.paperConfig().environment.portalSearchVanillaDimensionScaling && destinationIsNether ?
+ (int)(destination.paperConfig().environment.portalSearchRadius / destination.dimensionType().coordinateScale()) :
+ destination.paperConfig().environment.portalSearchRadius;
+ int portalCreateRadius = destination.paperConfig().environment.portalCreateRadius;
+
+ WorldBorder destinationBorder = destination.getWorldBorder();
+ double dimensionScale = DimensionType.getTeleportationScale(origin.dimensionType(), destination.dimensionType());
+ BlockPos targetPos = destination.getWorldBorder().clampToBounds(this.getX() * dimensionScale, this.getY(), this.getZ() * dimensionScale);
+
+ ca.spottedleaf.concurrentutil.completable.Completable<BlockUtil.FoundRectangle> portalFound
+ = new ca.spottedleaf.concurrentutil.completable.Completable<>();
+
+ // post portal find/create logic
+ portalFound.addWaiter(
+ (BlockUtil.FoundRectangle portal, Throwable thr) -> {
+ // no portal could be created
+ if (portal == null) {
+ portalInfoCompletable.complete(
+ new PortalInfo(Vec3.atCenterOf(targetPos), Vec3.ZERO, 90.0f, 0.0f, destination, null)
+ );
+ return;
+ }
+
+ Vec3 relativePos = originalPortalRectangle == null ?
+ new Vec3(0.5, 0.0, 0.0) :
+ Entity.this.getRelativePortalPosition(originalPortalDirection, originalPortalRectangle);
+
+ portalInfoCompletable.complete(
+ PortalShape.createPortalInfo(
+ destination, portal, originalPortalDirection, relativePos,
+ Entity.this, Entity.this.getDeltaMovement(), Entity.this.getYRot(), Entity.this.getXRot(), null
+ )
+ );
+ }
+ );
+
+ // kick off search for existing portal or creation
+ destination.loadChunksAsync(
+ // add 32 so that the final search for a portal frame doesn't load any chunks
+ targetPos, portalSearchRadius + 32,
+ net.minecraft.world.level.chunk.ChunkStatus.EMPTY,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGH,
+ (chunks) -> {
+ BlockUtil.FoundRectangle portal =
+ destination.getPortalForcer().findPortalAround(targetPos, destinationBorder, portalSearchRadius).orElse(null);
+ if (portal != null) {
+ portalFound.complete(portal);
+ return;
+ }
+
+ // add tickets so that we can re-search for a portal once the chunks are loaded
+ Long ticketId = Long.valueOf(CREATE_PORTAL_DOUBLE_CHECK.getAndIncrement());
+ for (net.minecraft.world.level.chunk.ChunkAccess chunk : chunks) {
+ destination.chunkSource.addTicketAtLevel(
+ TicketType.NETHER_PORTAL_DOUBLE_CHECK, chunk.getPos(),
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL,
+ ticketId
+ );
+ }
+
+ // no portal found - create one
+ destination.loadChunksAsync(
+ targetPos, portalCreateRadius + 32,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGH,
+ (chunks2) -> {
+ // don't need the tickets anymore
+ // note: we expect removeTicketsAtLevel to add an unknown ticket for us automatically
+ // if the ticket level were to decrease
+ for (net.minecraft.world.level.chunk.ChunkAccess chunk : chunks) {
+ destination.chunkSource.removeTicketAtLevel(
+ TicketType.NETHER_PORTAL_DOUBLE_CHECK, chunk.getPos(),
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL,
+ ticketId
+ );
+ }
+
+ // when two entities portal at the same time, it is possible that both entities reach this
+ // part of the code - and create a double portal
+ // to fix this, we just issue another search to try and see if another entity created
+ // a portal nearby
+ BlockUtil.FoundRectangle existingTryAgain =
+ destination.getPortalForcer().findPortalAround(targetPos, destinationBorder, portalSearchRadius).orElse(null);
+ if (existingTryAgain != null) {
+ portalFound.complete(existingTryAgain);
+ return;
+ }
+
+ // we do not have the correct entity reference here
+ BlockUtil.FoundRectangle createdPortal =
+ destination.getPortalForcer().createPortal(targetPos, originalPortalDirection, null, portalCreateRadius).orElse(null);
+ // if it wasn't created, passing null is expected here
+ portalFound.complete(createdPortal);
+ }
+ );
+ }
+ );
+ break;
+ }
+ default: {
+ throw new IllegalStateException("Unknown portal type " + type);
+ }
+ }
+ }
+
+ public boolean canPortalAsync(boolean considerPassengers) {
+ return this.canPortalAsync(considerPassengers, false);
+ }
+
+ protected boolean canPortalAsync(boolean considerPassengers, boolean skipPassengerCheck) {
+ if (considerPassengers) {
+ if (!skipPassengerCheck && this.isPassenger()) {
+ return false;
+ }
+ } else {
+ if (this.isVehicle() || (!skipPassengerCheck && this.isPassenger())) {
+ return false;
+ }
+ }
+ this.getBukkitEntity(); // force bukkit entity to be created before TPing
+ if (!this.canTeleportAsync() || !this.canChangeDimensions() || this.isOnPortalCooldown()) {
+ return false;
+ }
+ if (considerPassengers) {
+ for (Entity entity : this.passengers) {
+ if (!entity.canPortalAsync(true, true)) {
+ return false;
+ }
+ }
+ }
+
+ return true;
+ }
+
+ protected void prePortalLogic(ServerLevel origin, ServerLevel destination, PortalType type) {
+
+ }
+
+ protected boolean portalToAsync(ServerLevel destination, boolean takePassengers,
+ PortalType type, java.util.function.Consumer<Entity> teleportComplete) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot portal entity async");
+ if (!this.canPortalAsync(takePassengers)) {
+ return false;
+ }
+
+ Vec3 initialPosition = this.position();
+ ChunkPos initialPositionChunk = new ChunkPos(
+ io.papermc.paper.util.CoordinateUtils.getChunkX(initialPosition),
+ io.papermc.paper.util.CoordinateUtils.getChunkZ(initialPosition)
+ );
+
+ // first, remove entity/passengers from world
+ EntityTreeNode passengerTree = this.detachPassengers();
+ List<EntityTreeNode> fullPassengerTree = passengerTree.getFullTree();
+ ServerLevel originWorld = (ServerLevel)this.level;
+
+ for (EntityTreeNode node : fullPassengerTree) {
+ node.root.preChangeDimension();
+ node.root.prePortalLogic(originWorld, destination, type);
+ }
+
+ for (EntityTreeNode node : fullPassengerTree) {
+ // we will update pos/rot/speed later
+ node.root = node.root.transformForAsyncTeleport(destination, null, null, null, null);
+ // set portal cooldown
+ node.root.setPortalCooldown();
+ }
+
+ // ensure the region is always ticking in case of a shutdown
+ // otherwise, the shutdown will not be able to complete the shutdown as it requires a ticking region
+ Long teleportHoldId = Long.valueOf(TELEPORT_HOLD_TICKET_GEN.getAndIncrement());
+ originWorld.chunkSource.addTicketAtLevel(
+ TicketType.TELEPORT_HOLD_TICKET, initialPositionChunk,
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL,
+ teleportHoldId
+ );
+
+ ServerLevel.PendingTeleport beforeFindDestination = new ServerLevel.PendingTeleport(passengerTree, initialPosition);
+ originWorld.pushPendingTeleport(beforeFindDestination);
+
+ ca.spottedleaf.concurrentutil.completable.Completable<PortalInfo> portalInfoCompletable
+ = new ca.spottedleaf.concurrentutil.completable.Completable<>();
+
+ portalInfoCompletable.addWaiter((PortalInfo info, Throwable throwable) -> {
+ if (!originWorld.removePendingTeleport(beforeFindDestination)) {
+ // the shutdown thread has placed us back into the origin world at the original position
+ // we just have to abandon this teleport to prevent duplication
+ return;
+ }
+ originWorld.chunkSource.removeTicketAtLevel(
+ TicketType.TELEPORT_HOLD_TICKET, initialPositionChunk,
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.MAX_TICKET_LEVEL,
+ teleportHoldId
+ );
+ // adjust passenger tree to final pos
+ for (EntityTreeNode node : fullPassengerTree) {
+ node.root.transform(info.pos, Float.valueOf(info.yRot), Float.valueOf(info.xRot), info.speed);
+ }
+
+ // place
+ passengerTree.root.placeInAsync(
+ originWorld, destination, Entity.TELEPORT_FLAG_LOAD_CHUNK | (takePassengers ? Entity.TELEPORT_FLAG_TELEPORT_PASSENGERS : 0L),
+ passengerTree, teleportComplete
+ );
+ });
+
+
+ passengerTree.root.findOrCreatePortalAsync(originWorld, destination, type, portalInfoCompletable);
+
+ return true;
+ }
+ // Folia end - region threading
+
@Nullable
public Entity changeDimension(ServerLevel destination) {
// CraftBukkit start
@@ -3643,6 +4412,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
@Nullable
public Entity teleportTo(ServerLevel worldserver, Vec3 location) {
+ // Folia start - region threading
+ if (true) {
+ throw new UnsupportedOperationException("Must use teleportAsync while in region threading");
+ }
+ // Folia end - region threading
// CraftBukkit end
// Paper start - Fix item duplication and teleport issues
if (!this.isAlive() || !this.valid) {
@@ -3735,6 +4509,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
}
}
+ // Folia start - region threading - move inventory clearing until after the dimension change
+ protected void postRemoveAfterChangingDimensions() {
+
+ }
+ // Folia end - region threading - move inventory clearing until after the dimension change
+
protected void removeAfterChangingDimensions() {
this.setRemoved(Entity.RemovalReason.CHANGED_DIMENSION, null); // CraftBukkit - add Bukkit remove cause
}
@@ -4669,7 +5449,8 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
}
}
// Paper end - Fix MC-4
- if (this.position.x != x || this.position.y != y || this.position.z != z) {
+ boolean posChanged = this.position.x != x || this.position.y != y || this.position.z != z; // Folia - region threading
+ if (posChanged) { // Folia - region threading
synchronized (this.posLock) { // Paper
this.position = new Vec3(x, y, z);
} // Paper
@@ -4690,7 +5471,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
// Paper start - Block invalid positions and bounding box; don't allow desync of pos and AABB
// hanging has its own special logic
- if (!(this instanceof net.minecraft.world.entity.decoration.HangingEntity) && (forceBoundingBoxUpdate || this.position.x != x || this.position.y != y || this.position.z != z)) {
+ if (!(this instanceof net.minecraft.world.entity.decoration.HangingEntity) && (forceBoundingBoxUpdate || posChanged)) {
this.setBoundingBox(this.makeBoundingBox());
}
// Paper end - Block invalid positions and bounding box
@@ -4777,6 +5558,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
return this.removalReason != null;
}
+ // Folia start - region threading
+ public final boolean hasNullCallback() {
+ return this.levelCallback == EntityInLevelCallback.NULL;
+ }
+ // Folia end - region threading
+
@Nullable
public Entity.RemovalReason getRemovalReason() {
return this.removalReason;
@@ -4800,6 +5587,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
CraftEventFactory.callEntityRemoveEvent(this, cause);
// CraftBukkit end
final boolean alreadyRemoved = this.removalReason != null; // Paper - Folia schedulers
+ // Folia start - region threading
+ this.preRemove(entity_removalreason);
+ // Folia end - region threading
if (this.removalReason == null) {
this.removalReason = entity_removalreason;
}
@@ -4822,6 +5612,10 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
this.removalReason = null;
}
+ // Folia start - region threading
+ protected void preRemove(Entity.RemovalReason reason) {}
+ // Folia end - region threading
+
// Paper start - Folia schedulers
/**
* Invoked only when the entity is truly removed from the server, never to be added to any world.
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 23570a0b1227a840b9c1e6ae326827ea655bb5f7..206e662c8a43604d5a7563868348d501c135017c 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -276,6 +276,13 @@ public abstract class LivingEntity extends Entity implements Attackable {
++this.noActionTime; // Above all the floats
}
// Spigot end
+ // Folia start - region threading
+ @Override
+ protected void resetStoredPositions() {
+ super.resetStoredPositions();
+ this.lastClimbablePos = Optional.empty();
+ }
+ // Folia end - region threading
protected LivingEntity(EntityType<? extends LivingEntity> type, Level world) {
super(type, world);
@@ -481,7 +488,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
if (this.isDeadOrDying() && this.level().shouldTickDeath(this)) {
this.tickDeath();
- }
+ } else { this.broadcastedDeath = false; } // Folia - region threading
if (this.lastHurtByPlayerTime > 0) {
--this.lastHurtByPlayerTime;
@@ -627,11 +634,14 @@ public abstract class LivingEntity extends Entity implements Attackable {
return true;
}
+ public boolean broadcastedDeath = false; // Folia - region threading
protected void tickDeath() {
++this.deathTime;
- if (this.deathTime >= 20 && !this.level().isClientSide() && !this.isRemoved()) {
+ if (this.deathTime >= 20 && !this.level().isClientSide() && !this.isRemoved() && !this.broadcastedDeath) { // Folia - region threading
this.level().broadcastEntityEvent(this, (byte) 60);
- this.remove(Entity.RemovalReason.KILLED, EntityRemoveEvent.Cause.DEATH); // CraftBukkit - add Bukkit remove cause
+ this.broadcastedDeath = true; // Folia - region threading - death has been broadcasted
+ if (!(this instanceof ServerPlayer)) this.remove(Entity.RemovalReason.KILLED, EntityRemoveEvent.Cause.DEATH); // CraftBukkit - add Bukkit remove cause // Folia - region threading - don't remove, we want the tick scheduler to be running
+ if ((this instanceof ServerPlayer)) this.unRide(); // Folia - region threading - unmount player when dead
}
}
@@ -860,9 +870,9 @@ public abstract class LivingEntity extends Entity implements Attackable {
}
this.hurtTime = nbt.getShort("HurtTime");
- this.deathTime = nbt.getShort("DeathTime");
+ this.deathTime = nbt.getShort("DeathTime"); this.broadcastedDeath = false; // Folia - region threading
this.lastHurtByMobTimestamp = nbt.getInt("HurtByTimestamp");
- if (nbt.contains("Team", 8)) {
+ if (false && nbt.contains("Team", 8)) { // Folia start - region threading
String s = nbt.getString("Team");
PlayerTeam scoreboardteam = this.level().getScoreboard().getPlayerTeam(s);
if (!this.level().paperConfig().scoreboards.allowNonPlayerEntitiesOnScoreboards && !(this instanceof net.minecraft.world.entity.player.Player)) { scoreboardteam = null; } // Paper - Perf: Disable Scoreboards for non players by default
@@ -1149,6 +1159,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
public boolean addEffect(MobEffectInstance mobeffect, @Nullable Entity entity, EntityPotionEffectEvent.Cause cause, boolean fireEvent) {
// Paper end - Don't fire sync event during generation
// org.spigotmc.AsyncCatcher.catchOp("effect add"); // Spigot // Paper - move to API
+ if (!this.hasNullCallback()) io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot add effects to entities asynchronously"); // Folia - region threading
if (this.isTickingEffects) {
this.effectsToProcess.add(new ProcessableEffect(mobeffect, cause));
return true;
@@ -2359,7 +2370,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
@Nullable
public LivingEntity getKillCredit() {
- return (LivingEntity) (this.lastHurtByPlayer != null ? this.lastHurtByPlayer : (this.lastHurtByMob != null ? this.lastHurtByMob : null));
+ return (LivingEntity) (this.lastHurtByPlayer != null && io.papermc.paper.util.TickThread.isTickThreadFor(this.lastHurtByPlayer) ? this.lastHurtByPlayer : (this.lastHurtByMob != null && io.papermc.paper.util.TickThread.isTickThreadFor(this.lastHurtByMob) ? this.lastHurtByMob : null)); // Folia - region threading
}
public final float getMaxHealth() {
@@ -3502,7 +3513,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
this.pushEntities();
this.level().getProfiler().pop();
// Paper start - Add EntityMoveEvent
- if (((ServerLevel) this.level()).hasEntityMoveEvent && !(this instanceof net.minecraft.world.entity.player.Player)) {
+ if (((ServerLevel) this.level()).getCurrentWorldData().hasEntityMoveEvent && !(this instanceof net.minecraft.world.entity.player.Player)) { // Folia - region threading
if (this.xo != this.getX() || this.yo != this.getY() || this.zo != this.getZ() || this.yRotO != this.getYRot() || this.xRotO != this.getXRot()) {
Location from = new Location(this.level().getWorld(), this.xo, this.yo, this.zo, this.yRotO, this.xRotO);
Location to = new Location(this.level().getWorld(), this.getX(), this.getY(), this.getZ(), this.getYRot(), this.getXRot());
@@ -4195,7 +4206,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
BlockPos blockposition = BlockPos.containing(d0, d1, d2);
Level world = this.level();
- if (world.hasChunkAt(blockposition)) {
+ if (io.papermc.paper.util.TickThread.isTickThreadFor((ServerLevel)world, blockposition) && world.hasChunkAt(blockposition)) { // Folia - region threading
boolean flag2 = false;
while (!flag2 && blockposition.getY() > world.getMinBuildHeight()) {
diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index 2439f8d48daca7329049436414f06a36b4b79029..54297b9dde40fe853d873d60373cd8c0a3c9466b 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -138,6 +138,14 @@ public abstract class Mob extends LivingEntity implements Targeting {
public boolean aware = true; // CraftBukkit
+ // Folia start - region threading
+ @Override
+ public void preChangeDimension() {
+ super.preChangeDimension();
+ this.dropLeash(true, true);
+ }
+ // Folia end - region threading
+
protected Mob(EntityType<? extends Mob> type, Level world) {
super(type, world);
this.handItems = NonNullList.withSize(2, ItemStack.EMPTY);
@@ -289,9 +297,21 @@ public abstract class Mob extends LivingEntity implements Targeting {
@Nullable
@Override
public LivingEntity getTarget() {
+ // Folia start - region threading
+ if (this.target != null && (!io.papermc.paper.util.TickThread.isTickThreadFor(this.target) || this.target.isRemoved())) {
+ this.target = null;
+ return null;
+ }
+ // Folia end - region threading
return this.target;
}
+ // Folia start - region threading
+ public LivingEntity getTargetRaw() {
+ return this.target;
+ }
+ // Folia end - region threading
+
public org.bukkit.craftbukkit.entity.CraftMob getBukkitMob() { return (org.bukkit.craftbukkit.entity.CraftMob) super.getBukkitEntity(); } // Paper
public void setTarget(@Nullable LivingEntity target) {
// CraftBukkit start - fire event
@@ -299,7 +319,7 @@ public abstract class Mob extends LivingEntity implements Targeting {
}
public boolean setTarget(LivingEntity entityliving, EntityTargetEvent.TargetReason reason, boolean fireEvent) {
- if (this.getTarget() == entityliving) return false;
+ if (this.getTargetRaw() == entityliving) return false; // Folia - region threading
if (fireEvent) {
if (reason == EntityTargetEvent.TargetReason.UNKNOWN && this.getTarget() != null && entityliving == null) {
reason = this.getTarget().isAlive() ? EntityTargetEvent.TargetReason.FORGOT_TARGET : EntityTargetEvent.TargetReason.TARGET_DIED;
@@ -909,7 +929,7 @@ public abstract class Mob extends LivingEntity implements Targeting {
this.level().getProfiler().push("sensing");
this.sensing.tick();
this.level().getProfiler().pop();
- int i = this.level().getServer().getTickCount() + this.getId();
+ int i = this.tickCount + this.getId(); // Folia - region threading
if (i % 2 != 0 && this.tickCount > 1) {
this.level().getProfiler().push("targetSelector");
@@ -1758,6 +1778,17 @@ public abstract class Mob extends LivingEntity implements Targeting {
this.goalSelector.removeAllGoals(predicate);
}
+ // Folia start - region threading - move inventory clearing until after the dimension change
+ @Override
+ protected void postRemoveAfterChangingDimensions() {
+ this.getAllSlots().forEach((itemstack) -> {
+ if (!itemstack.isEmpty()) {
+ itemstack.setCount(0);
+ }
+ });
+ }
+ // Folia end - region threading - move inventory clearing until after the dimension change
+
@Override
protected void removeAfterChangingDimensions() {
super.removeAfterChangingDimensions();
@@ -1766,12 +1797,7 @@ public abstract class Mob extends LivingEntity implements Targeting {
this.level().getCraftServer().getPluginManager().callEvent(event); // CraftBukkit
this.dropLeash(true, event.isDropLeash());
// Paper end - Expand EntityUnleashEvent
- this.getAllSlots().forEach((itemstack) -> {
- if (!itemstack.isEmpty()) {
- itemstack.setCount(0);
- }
-
- });
+ // Folia - region threading - move inventory clearing until after the dimension change - move into postRemoveAfterChangingDimensions
}
@Nullable
diff --git a/src/main/java/net/minecraft/world/entity/ai/Brain.java b/src/main/java/net/minecraft/world/entity/ai/Brain.java
index 21e5d1451f90194aa415cf0a183d1a731854f605..c83e9f99f8f3e1b147b1a5122651540dc86abdff 100644
--- a/src/main/java/net/minecraft/world/entity/ai/Brain.java
+++ b/src/main/java/net/minecraft/world/entity/ai/Brain.java
@@ -412,9 +412,17 @@ public class Brain<E extends LivingEntity> {
}
public void stopAll(ServerLevel world, E entity) {
+ // Folia start - region threading
+ List<BehaviorControl<? super E>> behaviors = this.getRunningBehaviors();
+ if (behaviors.isEmpty()) {
+ // avoid calling getGameTime, as this may be called while portalling an entity - which will cause
+ // the world data retrieval to fail
+ return;
+ }
+ // Folia end - region threading
long l = entity.level().getGameTime();
- for(BehaviorControl<? super E> behaviorControl : this.getRunningBehaviors()) {
+ for(BehaviorControl<? super E> behaviorControl : behaviors) { // Folia - region threading
behaviorControl.doStop(world, entity, l);
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/PoiCompetitorScan.java b/src/main/java/net/minecraft/world/entity/ai/behavior/PoiCompetitorScan.java
index 8ec07578c1e41997a2e5ef158885ad3f4c2a31b6..003d85261bc0df871a8247c193e2b45c822b66b3 100644
--- a/src/main/java/net/minecraft/world/entity/ai/behavior/PoiCompetitorScan.java
+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/PoiCompetitorScan.java
@@ -17,6 +17,11 @@ public class PoiCompetitorScan {
return context.group(context.present(MemoryModuleType.JOB_SITE), context.present(MemoryModuleType.NEAREST_LIVING_ENTITIES)).apply(context, (jobSite, mobs) -> {
return (world, entity, time) -> {
GlobalPos globalPos = context.get(jobSite);
+ // Folia start - region threading
+ if (globalPos.dimension() != world.dimension() || !io.papermc.paper.util.TickThread.isTickThreadFor(world, globalPos.pos())) {
+ return true;
+ }
+ // Folia end - region threading
world.getPoiManager().getType(globalPos.pos()).ifPresent((poiType) -> {
context.<List<LivingEntity>>get(mobs).stream().filter((mob) -> {
return mob instanceof Villager && mob != entity;
diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/FollowOwnerGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/FollowOwnerGoal.java
index c0da573e3818a1dd2c1ef5a61c7cb34934b0a252..d34a3018264ec196ef57151af3c1d584b0576c68 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/FollowOwnerGoal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/FollowOwnerGoal.java
@@ -70,7 +70,7 @@ public class FollowOwnerGoal extends Goal {
@Override
public boolean canContinueToUse() {
- return this.navigation.isDone() ? false : (this.unableToMove() ? false : this.tamable.distanceToSqr((Entity) this.owner) > (double) (this.stopDistance * this.stopDistance));
+ return this.navigation.isDone() ? false : (this.unableToMove() ? false : (this.owner.level() == this.level && this.tamable.distanceToSqr((Entity) this.owner) > (double) (this.stopDistance * this.stopDistance))); // Folia - region threading - check level
}
private boolean unableToMove() {
@@ -96,7 +96,7 @@ public class FollowOwnerGoal extends Goal {
if (this.tamable.distanceToSqr(this.owner) <= 16 * 16) this.tamable.getLookControl().setLookAt(this.owner, 10.0F, (float) this.tamable.getMaxHeadXRot()); // Paper - Limit pet look distance
if (--this.timeToRecalcPath <= 0) {
this.timeToRecalcPath = this.adjustedTickDelay(10);
- if (this.tamable.distanceToSqr((Entity) this.owner) >= 144.0D) {
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(this.owner) || this.tamable.distanceToSqr((Entity) this.owner) >= 144.0D) { // Folia - region threading - required in case the player suddenly moves into another dimension
this.teleportToOwner();
} else {
this.navigation.moveTo((Entity) this.owner, this.speedModifier);
@@ -107,6 +107,11 @@ public class FollowOwnerGoal extends Goal {
private void teleportToOwner() {
BlockPos blockposition = this.owner.blockPosition();
+ // Folia start - region threading
+ if (this.owner.isRemoved() || this.owner.level() != level) {
+ return;
+ }
+ // Folia end - region threading
for (int i = 0; i < 10; ++i) {
int j = this.randomIntInclusive(-3, 3);
@@ -133,7 +138,21 @@ public class FollowOwnerGoal extends Goal {
return false;
}
Location to = event.getTo();
- this.tamable.moveTo(to.getX(), to.getY(), to.getZ(), to.getYaw(), to.getPitch());
+ // Folia start - region threading - can't teleport here, we may be removed by teleport logic - delay until next tick
+ // also, use teleportAsync so that crossing region boundaries will not blow up
+ Location finalTo = to;
+ this.tamable.getBukkitEntity().taskScheduler.schedule((TamableAnimal nmsEntity) -> {
+ if (nmsEntity.level() == FollowOwnerGoal.this.level) {
+ nmsEntity.teleportAsync(
+ (net.minecraft.server.level.ServerLevel)nmsEntity.level(),
+ new net.minecraft.world.phys.Vec3(finalTo.getX(), finalTo.getY(), finalTo.getZ()),
+ Float.valueOf(finalTo.getYaw()), Float.valueOf(finalTo.getPitch()),
+ net.minecraft.world.phys.Vec3.ZERO, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause.UNKNOWN, Entity.TELEPORT_FLAG_LOAD_CHUNK,
+ null
+ );
+ }
+ }, null, 1L);
+ // Folia start - region threading - can't teleport here, we may be removed by teleport logic - delay until next tick
// CraftBukkit end
this.navigation.stop();
return true;
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
index 47de460ff5435ea6712c800c77093126908d0fce..b31ba4e2286eaee5028cb4dc236829d1a302a25a 100644
--- a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
@@ -42,6 +42,11 @@ public class GroundPathNavigation extends PathNavigation {
@Override
public Path createPath(BlockPos target, @javax.annotation.Nullable Entity entity, int distance) { // Paper - EntityPathfindEvent
+ // Folia start - region threading
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor((net.minecraft.server.level.ServerLevel)this.level, target)) {
+ return null;
+ }
+ // Folia end - region threading
LevelChunk levelChunk = this.level.getChunkSource().getChunkNow(SectionPos.blockToSectionCoord(target.getX()), SectionPos.blockToSectionCoord(target.getZ()));
if (levelChunk == null) {
return null;
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
index a04fb58c29b462e20ed0b702cef478e3985b7cd2..089baec30e0c16149b147a501d68958663519b96 100644
--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
@@ -80,11 +80,11 @@ public abstract class PathNavigation {
}
public void recomputePath() {
- if (this.level.getGameTime() - this.timeLastRecompute > 20L) {
+ if (this.tick - this.timeLastRecompute > 20L) { // Folia - region threading
if (this.targetPos != null) {
this.path = null;
this.path = this.createPath(this.targetPos, this.reachRange);
- this.timeLastRecompute = this.level.getGameTime();
+ this.timeLastRecompute = this.tick; // Folia - region threading
this.hasDelayedRecomputation = false;
}
} else {
@@ -200,7 +200,7 @@ public abstract class PathNavigation {
public boolean moveTo(Entity entity, double speed) {
// Paper start - Perf: Optimise pathfinding
- if (this.pathfindFailures > 10 && this.path == null && net.minecraft.server.MinecraftServer.currentTick < this.lastFailure + 40) {
+ if (this.pathfindFailures > 10 && this.path == null && this.tick < this.lastFailure + 40) { // Folia - region threading
return false;
}
// Paper end - Perf: Optimise pathfinding
@@ -212,7 +212,7 @@ public abstract class PathNavigation {
return true;
} else {
this.pathfindFailures++;
- this.lastFailure = net.minecraft.server.MinecraftServer.currentTick;
+ this.lastFailure = this.tick; // Folia - region threading
return false;
}
// Paper end - Perf: Optimise pathfinding
diff --git a/src/main/java/net/minecraft/world/entity/ai/sensing/TemptingSensor.java b/src/main/java/net/minecraft/world/entity/ai/sensing/TemptingSensor.java
index e3242cf9a6ad51a23c5781142198dec30c8f376d..f32f5982ceb368b240062b9b8ac0141be59e2f1e 100644
--- a/src/main/java/net/minecraft/world/entity/ai/sensing/TemptingSensor.java
+++ b/src/main/java/net/minecraft/world/entity/ai/sensing/TemptingSensor.java
@@ -37,7 +37,7 @@ public class TemptingSensor extends Sensor<PathfinderMob> {
protected void doTick(ServerLevel world, PathfinderMob entity) {
Brain<?> behaviorcontroller = entity.getBrain();
- Stream<net.minecraft.server.level.ServerPlayer> stream = world.players().stream().filter(EntitySelector.NO_SPECTATORS).filter((entityplayer) -> { // CraftBukkit - decompile error
+ Stream<net.minecraft.server.level.ServerPlayer> stream = world.getLocalPlayers().stream().filter(EntitySelector.NO_SPECTATORS).filter((entityplayer) -> { // CraftBukkit - decompile error // Folia - region threading
return TemptingSensor.TEMPT_TARGETING.test(entity, entityplayer);
}).filter((entityplayer) -> {
return entity.closerThan(entityplayer, 10.0D);
diff --git a/src/main/java/net/minecraft/world/entity/ai/village/VillageSiege.java b/src/main/java/net/minecraft/world/entity/ai/village/VillageSiege.java
index 2b5b2869589991be37a4f128faabbff50e661470..c8d4878a0574a603bbb4bce45d1fb4d84b7ac6ce 100644
--- a/src/main/java/net/minecraft/world/entity/ai/village/VillageSiege.java
+++ b/src/main/java/net/minecraft/world/entity/ai/village/VillageSiege.java
@@ -22,62 +22,66 @@ import org.slf4j.Logger;
public class VillageSiege implements CustomSpawner {
private static final Logger LOGGER = LogUtils.getLogger();
- private boolean hasSetupSiege;
- private VillageSiege.State siegeState;
- private int zombiesToSpawn;
- private int nextSpawnTime;
- private int spawnX;
- private int spawnY;
- private int spawnZ;
+ // Folia - region threading
public VillageSiege() {
- this.siegeState = VillageSiege.State.SIEGE_DONE;
+ // Folia - region threading
}
@Override
public int tick(ServerLevel world, boolean spawnMonsters, boolean spawnAnimals) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
+ // Folia start - region threading
+ // check if the spawn pos is no longer owned by this region
+ if (worldData.villageSiegeState.siegeState != State.SIEGE_DONE
+ && !io.papermc.paper.util.TickThread.isTickThreadFor(world, worldData.villageSiegeState.spawnX >> 4, worldData.villageSiegeState.spawnZ >> 4, 8)) {
+ // can't spawn here, just re-set
+ worldData.villageSiegeState = new io.papermc.paper.threadedregions.RegionizedWorldData.VillageSiegeState();
+ }
+ // Folia end - region threading
if (!world.isDay() && spawnMonsters) {
float f = world.getTimeOfDay(0.0F);
if ((double) f == 0.5D) {
- this.siegeState = world.random.nextInt(10) == 0 ? VillageSiege.State.SIEGE_TONIGHT : VillageSiege.State.SIEGE_DONE;
+ worldData.villageSiegeState.siegeState = world.random.nextInt(10) == 0 ? VillageSiege.State.SIEGE_TONIGHT : VillageSiege.State.SIEGE_DONE; // Folia - region threading
}
- if (this.siegeState == VillageSiege.State.SIEGE_DONE) {
+ if (worldData.villageSiegeState.siegeState == VillageSiege.State.SIEGE_DONE) { // Folia - region threading
return 0;
} else {
- if (!this.hasSetupSiege) {
+ if (!worldData.villageSiegeState.hasSetupSiege) { // Folia - region threading
if (!this.tryToSetupSiege(world)) {
return 0;
}
- this.hasSetupSiege = true;
+ worldData.villageSiegeState.hasSetupSiege = true; // Folia - region threading
}
- if (this.nextSpawnTime > 0) {
- --this.nextSpawnTime;
+ if (worldData.villageSiegeState.nextSpawnTime > 0) { // Folia - region threading
+ --worldData.villageSiegeState.nextSpawnTime; // Folia - region threading
return 0;
} else {
- this.nextSpawnTime = 2;
- if (this.zombiesToSpawn > 0) {
+ worldData.villageSiegeState.nextSpawnTime = 2; // Folia - region threading
+ if (worldData.villageSiegeState.zombiesToSpawn > 0) { // Folia - region threading
this.trySpawn(world);
- --this.zombiesToSpawn;
+ --worldData.villageSiegeState.zombiesToSpawn; // Folia - region threading
} else {
- this.siegeState = VillageSiege.State.SIEGE_DONE;
+ worldData.villageSiegeState.siegeState = VillageSiege.State.SIEGE_DONE; // Folia - region threading
}
return 1;
}
}
} else {
- this.siegeState = VillageSiege.State.SIEGE_DONE;
- this.hasSetupSiege = false;
+ worldData.villageSiegeState.siegeState = VillageSiege.State.SIEGE_DONE; // Folia - region threading
+ worldData.villageSiegeState.hasSetupSiege = false; // Folia - region threading
return 0;
}
}
private boolean tryToSetupSiege(ServerLevel world) {
- Iterator iterator = world.players().iterator();
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
+ Iterator iterator = world.getLocalPlayers().iterator(); // Folia - region threading
while (iterator.hasNext()) {
Player entityhuman = (Player) iterator.next();
@@ -89,12 +93,12 @@ public class VillageSiege implements CustomSpawner {
for (int i = 0; i < 10; ++i) {
float f = world.random.nextFloat() * 6.2831855F;
- this.spawnX = blockposition.getX() + Mth.floor(Mth.cos(f) * 32.0F);
- this.spawnY = blockposition.getY();
- this.spawnZ = blockposition.getZ() + Mth.floor(Mth.sin(f) * 32.0F);
- if (this.findRandomSpawnPos(world, new BlockPos(this.spawnX, this.spawnY, this.spawnZ)) != null) {
- this.nextSpawnTime = 0;
- this.zombiesToSpawn = 20;
+ worldData.villageSiegeState.spawnX = blockposition.getX() + Mth.floor(Mth.cos(f) * 32.0F); // Folia - region threading
+ worldData.villageSiegeState.spawnY = blockposition.getY(); // Folia - region threading
+ worldData.villageSiegeState.spawnZ = blockposition.getZ() + Mth.floor(Mth.sin(f) * 32.0F); // Folia - region threading
+ if (this.findRandomSpawnPos(world, new BlockPos(worldData.villageSiegeState.spawnX, worldData.villageSiegeState.spawnY, worldData.villageSiegeState.spawnZ)) != null) { // Folia - region threading
+ worldData.villageSiegeState.nextSpawnTime = 0; // Folia - region threading
+ worldData.villageSiegeState.zombiesToSpawn = 20; // Folia - region threading
break;
}
}
@@ -108,13 +112,15 @@ public class VillageSiege implements CustomSpawner {
}
private void trySpawn(ServerLevel world) {
- Vec3 vec3d = this.findRandomSpawnPos(world, new BlockPos(this.spawnX, this.spawnY, this.spawnZ));
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
+ Vec3 vec3d = this.findRandomSpawnPos(world, new BlockPos(worldData.villageSiegeState.spawnX, worldData.villageSiegeState.spawnY, worldData.villageSiegeState.spawnZ)); // Folia - region threading
if (vec3d != null) {
Zombie entityzombie;
try {
entityzombie = new Zombie(world);
+ entityzombie.moveTo(vec3d.x, vec3d.y, vec3d.z, world.random.nextFloat() * 360.0F, 0.0F); // Folia - region threading - move up
entityzombie.finalizeSpawn(world, world.getCurrentDifficultyAt(entityzombie.blockPosition()), MobSpawnType.EVENT, (SpawnGroupData) null, (CompoundTag) null);
} catch (Exception exception) {
VillageSiege.LOGGER.warn("Failed to create zombie for village siege at {}", vec3d, exception);
@@ -122,7 +128,7 @@ public class VillageSiege implements CustomSpawner {
return;
}
- entityzombie.moveTo(vec3d.x, vec3d.y, vec3d.z, world.random.nextFloat() * 360.0F, 0.0F);
+ // Folia - region threading - move up
world.addFreshEntityWithPassengers(entityzombie, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.VILLAGE_INVASION); // CraftBukkit
}
}
@@ -143,7 +149,7 @@ public class VillageSiege implements CustomSpawner {
return null;
}
- private static enum State {
+ public static enum State { // Folia - region threading
SIEGE_CAN_ACTIVATE, SIEGE_TONIGHT, SIEGE_DONE;
diff --git a/src/main/java/net/minecraft/world/entity/ai/village/poi/PoiManager.java b/src/main/java/net/minecraft/world/entity/ai/village/poi/PoiManager.java
index 12a7aaeaa8b4b788b620b1985591c3b93253ccd5..5150d447c9dc2f539446749c8bee102050bab4ed 100644
--- a/src/main/java/net/minecraft/world/entity/ai/village/poi/PoiManager.java
+++ b/src/main/java/net/minecraft/world/entity/ai/village/poi/PoiManager.java
@@ -48,11 +48,13 @@ public class PoiManager extends SectionStorage<PoiSection> {
}
protected void updateDistanceTracking(long section) {
+ synchronized (this.villageDistanceTracker) { // Folia - region threading
if (this.isVillageCenter(section)) {
this.villageDistanceTracker.setSource(section, POI_DATA_SOURCE);
} else {
this.villageDistanceTracker.removeSource(section);
}
+ } // Folia - region threading
}
// Paper end - rewrite chunk system
@@ -215,8 +217,10 @@ public class PoiManager extends SectionStorage<PoiSection> {
}
public int sectionsToVillage(SectionPos pos) {
+ synchronized (this.villageDistanceTracker) { // Folia - region threading
this.villageDistanceTracker.propagateUpdates(); // Paper - replace distance tracking util
return convertBetweenLevels(this.villageDistanceTracker.getLevel(io.papermc.paper.util.CoordinateUtils.getChunkSectionKey(pos))); // Paper - replace distance tracking util
+ } // Folia - region threading
}
boolean isVillageCenter(long pos) {
@@ -230,7 +234,9 @@ public class PoiManager extends SectionStorage<PoiSection> {
@Override
public void tick(BooleanSupplier shouldKeepTicking) {
+ synchronized (this.villageDistanceTracker) { // Folia - region threading
this.villageDistanceTracker.propagateUpdates(); // Paper - rewrite chunk system
+ } // Folia - region threading
}
@Override
diff --git a/src/main/java/net/minecraft/world/entity/animal/Bee.java b/src/main/java/net/minecraft/world/entity/animal/Bee.java
index f9521a6e115f0c975a7885b024c99eae300b63bf..9f1791e60061934fc89a13258f3fab9f67f3a45c 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Bee.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Bee.java
@@ -1043,6 +1043,11 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
@Override
public boolean canBeeUse() {
+ // Folia start - region threading
+ if (Bee.this.hivePos != null && Bee.this.isTooFarAway(Bee.this.hivePos)) {
+ Bee.this.hivePos = null;
+ }
+ // Folia end - region threading
return Bee.this.hivePos != null && !Bee.this.hasRestriction() && Bee.this.wantsToEnterHive() && !this.hasReachedTarget(Bee.this.hivePos) && Bee.this.level().getBlockState(Bee.this.hivePos).is(BlockTags.BEEHIVES);
}
@@ -1159,6 +1164,11 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
@Override
public boolean canBeeUse() {
+ // Folia start - region threading
+ if (Bee.this.savedFlowerPos != null && Bee.this.isTooFarAway(Bee.this.savedFlowerPos)) {
+ Bee.this.savedFlowerPos = null;
+ }
+ // Folia end - region threading
return Bee.this.savedFlowerPos != null && !Bee.this.hasRestriction() && this.wantsToGoToKnownFlower() && Bee.this.isFlowerValid(Bee.this.savedFlowerPos) && !Bee.this.closerThan(Bee.this.savedFlowerPos, 2);
}
diff --git a/src/main/java/net/minecraft/world/entity/animal/Cat.java b/src/main/java/net/minecraft/world/entity/animal/Cat.java
index f760ce7d9df79ef58f8963de3e901cba3e12fcaa..03bd7038bda7bd3bf592eab39ec6d985e07e3b8d 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Cat.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Cat.java
@@ -364,7 +364,7 @@ public class Cat extends TamableAnimal implements VariantHolder<CatVariant> {
});
ServerLevel worldserver = world.getLevel();
- if (worldserver.structureManager().getStructureWithPieceAt(this.blockPosition(), StructureTags.CATS_SPAWN_AS_BLACK, world).isValid()) { // Paper - Fix swamp hut cat generation deadlock
+ if (world.structureManager().getStructureWithPieceAt(this.blockPosition(), StructureTags.CATS_SPAWN_AS_BLACK).isValid()) { // Paper - Fix swamp hut cat generation deadlock // Folia - region threading - properly fix this
this.setVariant((CatVariant) BuiltInRegistries.CAT_VARIANT.getOrThrow(CatVariant.ALL_BLACK));
this.setPersistenceRequired();
}
diff --git a/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java b/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
index c34701f95580e4cf45fe086115563127432a28c5..fe95aa9389f7d11e1380445a1eeca50cae549edb 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
@@ -298,8 +298,10 @@ public class ItemFrame extends HangingEntity {
MapItemSavedData worldmap = MapItem.getSavedData(i, this.level());
if (worldmap != null) {
+ synchronized (worldmap) { // Folia - make map data thread-safe
worldmap.removedFromFrame(this.pos, this.getId());
worldmap.setDirty(true);
+ } // Folia - make map data thread-safe
}
});
diff --git a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
index c7f06c3cfb737bd17a706798bf9cf0e1af5f0cc0..14fc53880808df4954575d3270b1f587eb6ac83b 100644
--- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
+++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
@@ -55,7 +55,7 @@ public class ItemEntity extends Entity implements TraceableEntity {
@Nullable
public UUID target;
public final float bobOffs;
- private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit
+ //private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit // Folia - region threading
public boolean canMobPickup = true; // Paper - Item#canEntityPickup
private int despawnRate = -1; // Paper - Alternative item-despawn-rate
public net.kyori.adventure.util.TriState frictionState = net.kyori.adventure.util.TriState.NOT_SET; // Paper - Friction API
@@ -145,13 +145,11 @@ public class ItemEntity extends Entity implements TraceableEntity {
this.discard(EntityRemoveEvent.Cause.DESPAWN); // CraftBukkit - add Bukkit remove cause
} else {
super.tick();
- // CraftBukkit start - Use wall time for pickup and despawn timers
- int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
- if (this.pickupDelay != 32767) this.pickupDelay -= elapsedTicks;
- this.pickupDelay = Math.max(0, this.pickupDelay); // Paper - don't go below 0
- if (this.age != -32768) this.age += elapsedTicks;
- this.lastTick = MinecraftServer.currentTick;
- // CraftBukkit end
+ // Folia start - region threading - restore original timers
+ if (this.pickupDelay > 0 && this.pickupDelay != 32767) {
+ --this.pickupDelay;
+ }
+ // Folia end - region threading - restore original timers
this.xo = this.getX();
this.yo = this.getY();
@@ -205,11 +203,11 @@ public class ItemEntity extends Entity implements TraceableEntity {
this.mergeWithNeighbours();
}
- /* CraftBukkit start - moved up
+ // Folia - region threading - restore original timers
if (this.age != -32768) {
++this.age;
}
- // CraftBukkit end */
+ // Folia - region threading - restore original timers
this.hasImpulse |= this.updateInWaterStateAndDoFluidPushing();
if (!this.level().isClientSide) {
@@ -236,13 +234,14 @@ public class ItemEntity extends Entity implements TraceableEntity {
// Spigot start - copied from above
@Override
public void inactiveTick() {
- // CraftBukkit start - Use wall time for pickup and despawn timers
- int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
- if (this.pickupDelay != 32767) this.pickupDelay -= elapsedTicks;
- this.pickupDelay = Math.max(0, this.pickupDelay); // Paper - don't go below 0
- if (this.age != -32768) this.age += elapsedTicks;
- this.lastTick = MinecraftServer.currentTick;
- // CraftBukkit end
+ // Folia start - region threading - restore original timers
+ if (this.pickupDelay > 0 && this.pickupDelay != 32767) {
+ --this.pickupDelay;
+ }
+ if (this.age != -32768) {
+ ++this.age;
+ }
+ // Folia end - region threading - restore original timers
if (!this.level().isClientSide && this.age >= this.despawnRate) { // Spigot // Paper - Alternative item-despawn-rate
// CraftBukkit start - fire ItemDespawnEvent
@@ -549,14 +548,20 @@ public class ItemEntity extends Entity implements TraceableEntity {
return false;
}
+ // Folia start - region threading
+ @Override
+ public void postChangeDimension() {
+ super.postChangeDimension();
+ this.mergeWithNeighbours();
+ }
+ // Folia end - region threading
+
@Nullable
@Override
public Entity changeDimension(ServerLevel destination) {
Entity entity = super.changeDimension(destination);
- if (!this.level().isClientSide && entity instanceof ItemEntity) {
- ((ItemEntity) entity).mergeWithNeighbours();
- }
+ if (entity != null) entity.postChangeDimension(); // Folia - region threading - move to post change
return entity;
}
diff --git a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
index e712bd07ea2946167782473a536e0c72fab4bccd..94d1cc62f1b0b60882541764e7272c248689b831 100644
--- a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
+++ b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
@@ -72,7 +72,7 @@ public class PrimedTnt extends Entity implements TraceableEntity {
@Override
public void tick() {
- if (this.level().spigotConfig.maxTntTicksPerTick > 0 && ++this.level().spigotConfig.currentPrimedTnt > this.level().spigotConfig.maxTntTicksPerTick) { return; } // Spigot
+ if (this.level().spigotConfig.maxTntTicksPerTick > 0 && ++this.level().getCurrentWorldData().currentPrimedTnt > this.level().spigotConfig.maxTntTicksPerTick) { return; } // Spigot // Folia - region threading
if (!this.isNoGravity()) {
this.setDeltaMovement(this.getDeltaMovement().add(0.0D, -0.04D, 0.0D));
}
@@ -114,7 +114,7 @@ public class PrimedTnt extends Entity implements TraceableEntity {
*/
// Send position and velocity updates to nearby players on every tick while the TNT is in water.
// This does pretty well at keeping their clients in sync with the server.
- net.minecraft.server.level.ChunkMap.TrackedEntity ete = ((net.minecraft.server.level.ServerLevel)this.level()).getChunkSource().chunkMap.entityMap.get(this.getId());
+ net.minecraft.server.level.ChunkMap.TrackedEntity ete = this.tracker; // Folia - region threading
if (ete != null) {
net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket velocityPacket = new net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket(this);
net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket positionPacket = new net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket(this);
diff --git a/src/main/java/net/minecraft/world/entity/monster/Vex.java b/src/main/java/net/minecraft/world/entity/monster/Vex.java
index f443006c1e32feee97b32312814e2447a50c45e2..3cf7fe301cb445bf1592a398a5a17b1a4d4a6dd3 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Vex.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Vex.java
@@ -370,7 +370,7 @@ public class Vex extends Monster implements TraceableEntity {
public void tick() {
BlockPos blockposition = Vex.this.getBoundOrigin();
- if (blockposition == null) {
+ if (blockposition == null || !io.papermc.paper.util.TickThread.isTickThreadFor((net.minecraft.server.level.ServerLevel)Vex.this.level(), blockposition)) { // Folia - region threading
blockposition = Vex.this.blockPosition();
}
diff --git a/src/main/java/net/minecraft/world/entity/monster/Zombie.java b/src/main/java/net/minecraft/world/entity/monster/Zombie.java
index 5c40e994007dbf46ebc12c1e6a6ca90379471b74..723ef6e7a3618c30087ce2ac50811dbe638881ec 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Zombie.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Zombie.java
@@ -95,7 +95,7 @@ public class Zombie extends Monster {
private boolean canBreakDoors;
private int inWaterTime;
public int conversionTime;
- private int lastTick = MinecraftServer.currentTick; // CraftBukkit - add field
+ //private int lastTick = MinecraftServer.currentTick; // CraftBukkit - add field // Folia - region threading - restore original timers
private boolean shouldBurnInDay = true; // Paper - Add more Zombie API
public Zombie(EntityType<? extends Zombie> type, Level world) {
@@ -218,10 +218,7 @@ public class Zombie extends Monster {
public void tick() {
if (!this.level().isClientSide && this.isAlive() && !this.isNoAi()) {
if (this.isUnderWaterConverting()) {
- // CraftBukkit start - Use wall time instead of ticks for conversion
- int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
- this.conversionTime -= elapsedTicks;
- // CraftBukkit end
+ --this.conversionTime; // Folia - region threading - restore original timers
if (this.conversionTime < 0) {
this.doUnderWaterConversion();
}
@@ -238,7 +235,7 @@ public class Zombie extends Monster {
}
super.tick();
- this.lastTick = MinecraftServer.currentTick; // CraftBukkit
+ //this.lastTick = MinecraftServer.currentTick; // CraftBukkit // Folia - region threading - restore original timers
}
@Override
@@ -277,7 +274,7 @@ public class Zombie extends Monster {
}
// Paper end - Add more Zombie API
public void startUnderWaterConversion(int ticksUntilWaterConversion) {
- this.lastTick = MinecraftServer.currentTick; // CraftBukkit
+ // Folia - region threading - restore original timers
this.conversionTime = ticksUntilWaterConversion;
this.getEntityData().set(Zombie.DATA_DROWNED_CONVERSION_ID, true);
}
diff --git a/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java b/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
index 7de9d012e7416eaa0189b513a0972c846e93c4b6..9375c3732114f7a993ea96ed71531940af38c628 100644
--- a/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
+++ b/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
@@ -73,7 +73,7 @@ public class ZombieVillager extends Zombie implements VillagerDataHolder {
@Nullable
private CompoundTag tradeOffers;
private int villagerXp;
- private int lastTick = MinecraftServer.currentTick; // CraftBukkit - add field
+ // private int lastTick = MinecraftServer.currentTick; // CraftBukkit - add field // Folia - region threading - restore original timers
public ZombieVillager(EntityType<? extends ZombieVillager> type, Level world) {
super(type, world);
@@ -148,10 +148,7 @@ public class ZombieVillager extends Zombie implements VillagerDataHolder {
public void tick() {
if (!this.level().isClientSide && this.isAlive() && this.isConverting()) {
int i = this.getConversionProgress();
- // CraftBukkit start - Use wall time instead of ticks for villager conversion
- int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
- i *= elapsedTicks;
- // CraftBukkit end
+ // Folia - region threading - restore original timers
this.villagerConversionTime -= i;
if (this.villagerConversionTime <= 0) {
@@ -160,7 +157,7 @@ public class ZombieVillager extends Zombie implements VillagerDataHolder {
}
super.tick();
- this.lastTick = MinecraftServer.currentTick; // CraftBukkit
+ // Folia - region threading - restore original timers
}
@Override
diff --git a/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java b/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java
index 4e6c2f6b2e54a4c126e9a026b9cad05ce835ad66..d2fbeb0e4e3e681b22455b9cf2d125dcb4de0a56 100644
--- a/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java
@@ -212,10 +212,18 @@ public abstract class AbstractVillager extends AgeableMob implements InventoryCa
this.readInventoryFromTag(nbt);
}
+ // Folia start - region threading
+ @Override
+ public void preChangeDimension() {
+ super.preChangeDimension();
+ this.stopTrading();
+ }
+ // Folia end - region threading
+
@Nullable
@Override
public Entity changeDimension(ServerLevel destination) {
- this.stopTrading();
+ this.preChangeDimension(); // Folia - region threading - move into preChangeDimension
return super.changeDimension(destination);
}
diff --git a/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java b/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java
index 5f407535298a31a34cfe114dd863fd6a9b977707..cb0f75fb32836efa50f0a86dfae7907b0c88780f 100644
--- a/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java
+++ b/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java
@@ -21,17 +21,18 @@ import net.minecraft.world.phys.AABB;
public class CatSpawner implements CustomSpawner {
private static final int TICK_DELAY = 1200;
- private int nextTick;
+ //private int nextTick; // Folia - region threading
@Override
public int tick(ServerLevel world, boolean spawnMonsters, boolean spawnAnimals) {
if (spawnAnimals && world.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING)) {
- --this.nextTick;
- if (this.nextTick > 0) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
+ --worldData.catSpawnerNextTick; // Folia - region threading
+ if (worldData.catSpawnerNextTick > 0) { // Folia - region threading
return 0;
} else {
- this.nextTick = 1200;
- Player player = world.getRandomPlayer();
+ worldData.catSpawnerNextTick = 1200; // Folia - region threading
+ Player player = world.getRandomLocalPlayer(); // Folia - region threading
if (player == null) {
return 0;
} else {
diff --git a/src/main/java/net/minecraft/world/entity/npc/Villager.java b/src/main/java/net/minecraft/world/entity/npc/Villager.java
index 24044795d8e0f1fb15a4f2f5401f44897092f2a3..3eeff0cd8563939c656b5ded8470cab016903f25 100644
--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
@@ -204,7 +204,7 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
brain.setCoreActivities(ImmutableSet.of(Activity.CORE));
brain.setDefaultActivity(Activity.IDLE);
brain.setActiveActivityIfPossible(Activity.IDLE);
- brain.updateActivityFromSchedule(this.level().getDayTime(), this.level().getGameTime());
+ brain.updateActivityFromSchedule(this.level().getLevelData().getDayTime(), this.level().getLevelData().getGameTime()); // Folia - region threading
}
@Override
@@ -730,6 +730,8 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
ServerLevel worldserver = minecraftserver.getLevel(globalpos.dimension());
if (worldserver != null) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue( // Folia - region threading
+ worldserver, globalpos.pos().getX() >> 4, globalpos.pos().getZ() >> 4, () -> { // Folia - region threading
PoiManager villageplace = worldserver.getPoiManager();
Optional<Holder<PoiType>> optional = villageplace.getType(globalpos.pos());
BiPredicate<Villager, Holder<PoiType>> bipredicate = (BiPredicate) Villager.POI_MEMORIES.get(pos);
@@ -738,6 +740,7 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
villageplace.release(globalpos.pos());
DebugPackets.sendPoiTicketCountPacket(worldserver, globalpos.pos());
}
+ }); // Folia - region threading
}
});
diff --git a/src/main/java/net/minecraft/world/entity/npc/WanderingTraderSpawner.java b/src/main/java/net/minecraft/world/entity/npc/WanderingTraderSpawner.java
index d7bddedb19c10f62fd1f7d3128453ad706ed16be..948749a0a3ef9d06f0482bc5331a52836a6eb6a3 100644
--- a/src/main/java/net/minecraft/world/entity/npc/WanderingTraderSpawner.java
+++ b/src/main/java/net/minecraft/world/entity/npc/WanderingTraderSpawner.java
@@ -32,16 +32,14 @@ public class WanderingTraderSpawner implements CustomSpawner {
private static final int SPAWN_CHANCE_INCREASE = 25;
private static final int SPAWN_ONE_IN_X_CHANCE = 10;
private static final int NUMBER_OF_SPAWN_ATTEMPTS = 10;
- private final RandomSource random = RandomSource.create();
+ private final RandomSource random = new net.minecraft.world.entity.Entity.RandomRandomSource(); // Folia - region threading
private final ServerLevelData serverLevelData;
- private int tickDelay;
- private int spawnDelay;
- private int spawnChance;
+ // Folia - region threading
public WanderingTraderSpawner(ServerLevelData properties) {
this.serverLevelData = properties;
// Paper start - Add Wandering Trader spawn rate config options
- this.tickDelay = Integer.MIN_VALUE;
+ //this.tickDelay = Integer.MIN_VALUE; // Folia - region threading - moved to regionisedworlddata
//this.spawnDelay = properties.getWanderingTraderSpawnDelay(); // Paper - This value is read from the world file only for the first spawn, after which vanilla uses a hardcoded value
//this.spawnChance = properties.getWanderingTraderSpawnChance(); // Paper - This value is read from the world file only for the first spawn, after which vanilla uses a hardcoded value
//if (this.spawnDelay == 0 && this.spawnChance == 0) {
@@ -56,36 +54,37 @@ public class WanderingTraderSpawner implements CustomSpawner {
@Override
public int tick(ServerLevel world, boolean spawnMonsters, boolean spawnAnimals) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
// Paper start - Add Wandering Trader spawn rate config options
- if (this.tickDelay == Integer.MIN_VALUE) {
- this.tickDelay = world.paperConfig().entities.spawning.wanderingTrader.spawnMinuteLength;
- this.spawnDelay = world.paperConfig().entities.spawning.wanderingTrader.spawnDayLength;
- this.spawnChance = world.paperConfig().entities.spawning.wanderingTrader.spawnChanceMin;
+ if (worldData.wanderingTraderTickDelay == Integer.MIN_VALUE) { // Folia - region threading
+ worldData.wanderingTraderTickDelay = world.paperConfig().entities.spawning.wanderingTrader.spawnMinuteLength; // Folia - region threading
+ worldData.wanderingTraderSpawnDelay = world.paperConfig().entities.spawning.wanderingTrader.spawnDayLength; // Folia - region threading
+ worldData.wanderingTraderSpawnChance = world.paperConfig().entities.spawning.wanderingTrader.spawnChanceMin; // Folia - region threading
}
if (!world.getGameRules().getBoolean(GameRules.RULE_DO_TRADER_SPAWNING)) {
return 0;
- } else if (this.tickDelay - 1 > 0) {
- this.tickDelay = this.tickDelay - 1;
+ } else if (worldData.wanderingTraderTickDelay - 1 > 0) { // Folia - region threading
+ worldData.wanderingTraderTickDelay = worldData.wanderingTraderTickDelay - 1; // Folia - region threading
return 0;
} else {
- this.tickDelay = world.paperConfig().entities.spawning.wanderingTrader.spawnMinuteLength;
- this.spawnDelay = this.spawnDelay - world.paperConfig().entities.spawning.wanderingTrader.spawnMinuteLength;
+ worldData.wanderingTraderTickDelay = world.paperConfig().entities.spawning.wanderingTrader.spawnMinuteLength; // Folia - region threading
+ worldData.wanderingTraderSpawnDelay = worldData.wanderingTraderSpawnDelay - world.paperConfig().entities.spawning.wanderingTrader.spawnMinuteLength; // Folia - region threading
//this.serverLevelData.setWanderingTraderSpawnDelay(this.spawnDelay); // Paper - We don't need to save this value to disk if it gets set back to a hardcoded value anyways
- if (this.spawnDelay > 0) {
+ if (worldData.wanderingTraderSpawnDelay > 0) { // Folia - region threading
return 0;
} else {
- this.spawnDelay = world.paperConfig().entities.spawning.wanderingTrader.spawnDayLength;
+ worldData.wanderingTraderSpawnDelay = world.paperConfig().entities.spawning.wanderingTrader.spawnDayLength; // Folia - region threading
if (!world.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING)) {
return 0;
} else {
- int i = this.spawnChance;
+ int i = worldData.wanderingTraderSpawnChance; // Folia - region threading
// this.serverLevelData.setWanderingTraderSpawnChance(this.spawnChance); // Paper - We don't need to save this value to disk if it gets set back to a hardcoded value anyways
- this.spawnChance = Mth.clamp(i + world.paperConfig().entities.spawning.wanderingTrader.spawnChanceFailureIncrement, world.paperConfig().entities.spawning.wanderingTrader.spawnChanceMin, world.paperConfig().entities.spawning.wanderingTrader.spawnChanceMax);
+ worldData.wanderingTraderSpawnChance = Mth.clamp(i + world.paperConfig().entities.spawning.wanderingTrader.spawnChanceFailureIncrement, world.paperConfig().entities.spawning.wanderingTrader.spawnChanceMin, world.paperConfig().entities.spawning.wanderingTrader.spawnChanceMax); // Folia - region threading
if (this.random.nextInt(100) > i) {
return 0;
} else if (this.spawn(world)) {
- this.spawnChance = world.paperConfig().entities.spawning.wanderingTrader.spawnChanceMin;
+ worldData.wanderingTraderSpawnChance = world.paperConfig().entities.spawning.wanderingTrader.spawnChanceMin; // Folia - region threading
// Paper end - Add Wandering Trader spawn rate config options
return 1;
} else {
@@ -97,7 +96,7 @@ public class WanderingTraderSpawner implements CustomSpawner {
}
private boolean spawn(ServerLevel world) {
- ServerPlayer entityplayer = world.getRandomPlayer();
+ ServerPlayer entityplayer = world.getRandomLocalPlayer(); // Folia - region threading
if (entityplayer == null) {
return true;
@@ -127,7 +126,7 @@ public class WanderingTraderSpawner implements CustomSpawner {
this.tryToSpawnLlamaFor(world, entityvillagertrader, 4);
}
- this.serverLevelData.setWanderingTraderId(entityvillagertrader.getUUID());
+ //this.serverLevelData.setWanderingTraderId(entityvillagertrader.getUUID()); // Folia - region threading - doesn't appear to be used anywhere, so avoid the race condition here...
// entityvillagertrader.setDespawnDelay(48000); // CraftBukkit - moved to EntityVillagerTrader constructor. This lets the value be modified by plugins on CreatureSpawnEvent
entityvillagertrader.setWanderTarget(blockposition1);
entityvillagertrader.restrictTo(blockposition1, 16);
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index 567704f61034363e48ef2a5b5566ebdc91682297..579eb5a81281ca36c145153d8c24a517242ffe18 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -1528,6 +1528,14 @@ public abstract class Player extends LivingEntity {
}
+ // Folia start - region threading
+ @Override
+ protected void preRemove(RemovalReason reason) {
+ super.preRemove(reason);
+ this.fishing = null;
+ }
+ // Folia end - region threading
+
public boolean isLocalPlayer() {
return false;
}
diff --git a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
index e8faca6e443239968f0111519f9e5cd018ed3297..88aa1a41be9f596e07af3632def749aff9ea3363 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
@@ -157,6 +157,11 @@ public abstract class AbstractArrow extends Projectile {
@Override
public void tick() {
super.tick();
+ // Folia start - region threading - make sure entities do not move into regions they do not own
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor((net.minecraft.server.level.ServerLevel)this.level(), this.position(), this.getDeltaMovement(), 1)) {
+ return;
+ }
+ // Folia end - region threading - make sure entities do not move into regions they do not own
boolean flag = this.isNoPhysics();
Vec3 vec3d = this.getDeltaMovement();
diff --git a/src/main/java/net/minecraft/world/entity/projectile/AbstractHurtingProjectile.java b/src/main/java/net/minecraft/world/entity/projectile/AbstractHurtingProjectile.java
index 20ce474b72894a8bb3fc21018b9d79bbdc8bb14b..cd150b14afe46dcc5d96eb11106bf2bb4744c944 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/AbstractHurtingProjectile.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractHurtingProjectile.java
@@ -91,6 +91,11 @@ public abstract class AbstractHurtingProjectile extends Projectile {
this.discard(EntityRemoveEvent.Cause.DESPAWN); // CraftBukkit - add Bukkit remove cause
} else {
super.tick();
+ // Folia start - region threading - make sure entities do not move into regions they do not own
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor((net.minecraft.server.level.ServerLevel)this.level(), this.position(), this.getDeltaMovement(), 1)) {
+ return;
+ }
+ // Folia end - region threading - make sure entities do not move into regions they do not own
if (this.shouldBurn()) {
this.setSecondsOnFire(1);
}
diff --git a/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java b/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
index 5b3b59057b962438c6f4fc8a1507342865b3bc11..01579e1f4d2c62b636e08cc06dc891728c352efe 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
@@ -131,6 +131,11 @@ public class FireworkRocketEntity extends Projectile implements ItemSupplier {
});
}
+ // Folia start - region threading
+ if (this.attachedToEntity != null && !io.papermc.paper.util.TickThread.isTickThreadFor(this.attachedToEntity)) {
+ this.attachedToEntity = null;
+ }
+ // Folia end - region threading
if (this.attachedToEntity != null) {
if (this.attachedToEntity.isFallFlying()) {
diff --git a/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java b/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java
index 91497f5e6c07fcf1b05eca6846c51e1a15ed3bc0..16f847a21b0c636e8af332b999df4469b19cc943 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java
@@ -105,7 +105,7 @@ public class FishingHook extends Projectile {
public FishingHook(net.minecraft.world.entity.player.Player thrower, Level world, int luckOfTheSeaLevel, int lureLevel) {
this(EntityType.FISHING_BOBBER, world, luckOfTheSeaLevel, lureLevel);
- this.setOwner(thrower);
+ //this.setOwner(thrower); // Folia - region threading - move this down after position so that thread-checks do not fail
float f = thrower.getXRot();
float f1 = thrower.getYRot();
float f2 = Mth.cos(-f1 * 0.017453292F - 3.1415927F);
@@ -117,6 +117,7 @@ public class FishingHook extends Projectile {
double d2 = thrower.getZ() - (double) f2 * 0.3D;
this.moveTo(d0, d1, d2, f1, f);
+ this.setOwner(thrower); // Folia - region threading - move this down after position so that thread-checks do not fail
Vec3 vec3d = new Vec3((double) (-f3), (double) Mth.clamp(-(f5 / f4), -5.0F, 5.0F), (double) (-f2));
double d3 = vec3d.length();
@@ -267,6 +268,11 @@ public class FishingHook extends Projectile {
}
private boolean shouldStopFishing(net.minecraft.world.entity.player.Player player) {
+ // Folia start - region threading
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(player)) {
+ return true;
+ }
+ // Folia end - region threading
ItemStack itemstack = player.getMainHandItem();
ItemStack itemstack1 = player.getOffhandItem();
boolean flag = itemstack.is(Items.FISHING_ROD);
@@ -613,10 +619,18 @@ public class FishingHook extends Projectile {
@Override
public void remove(Entity.RemovalReason entity_removalreason, EntityRemoveEvent.Cause cause) {
// CraftBukkit end
- this.updateOwnerInfo((FishingHook) null);
+ // Folia - region threading - move into preRemove
super.remove(entity_removalreason, cause); // CraftBukkit - add Bukkit remove cause
}
+ // Folia start - region threading
+ @Override
+ protected void preRemove(RemovalReason reason) {
+ super.preRemove(reason);
+ this.updateOwnerInfo((FishingHook) null);
+ }
+ // Folia end - region threading
+
@Override
public void onClientRemoval() {
this.updateOwnerInfo((FishingHook) null);
diff --git a/src/main/java/net/minecraft/world/entity/projectile/LlamaSpit.java b/src/main/java/net/minecraft/world/entity/projectile/LlamaSpit.java
index 8f5376543cca9cbfb2a014f67ec373d984b0df64..85a0f7b30db57a68133b38f42c17ac6e585fd629 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/LlamaSpit.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/LlamaSpit.java
@@ -32,6 +32,11 @@ public class LlamaSpit extends Projectile {
@Override
public void tick() {
super.tick();
+ // Folia start - region threading - make sure entities do not move into regions they do not own
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor((net.minecraft.server.level.ServerLevel)this.level(), this.position(), this.getDeltaMovement(), 1)) {
+ return;
+ }
+ // Folia end - region threading - make sure entities do not move into regions they do not own
Vec3 vec3d = this.getDeltaMovement();
HitResult movingobjectposition = ProjectileUtil.getHitResultOnMoveVector(this, this::canHitEntity);
diff --git a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
index 156809090f1f83ad68e7e2477a3cfddac5757a8e..10d7c64fb3a9bafdcdae99f8dc87017722341337 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
@@ -70,9 +70,20 @@ public abstract class Projectile extends Entity implements TraceableEntity {
}
// Paper end - Refresh ProjectileSource for projectiles
+ // Folia start - region threading
+ // In general, this is an entire mess. At the time of writing, there are fifty usages of getOwner.
+ // Usage of this function is to avoid concurrency issues, even if it sacrifices behavior.
@Nullable
@Override
public Entity getOwner() {
+ Entity ret = this.getOwnerRaw();
+ return io.papermc.paper.util.TickThread.isTickThreadFor(ret) ? ret : null;
+ }
+ // Folia end - region threading
+
+ @Nullable
+ public Entity getOwnerRaw() { // Folia - region threading
+ io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot update owner state asynchronously"); // Folia - region threading
if (this.cachedOwner != null && !this.cachedOwner.isRemoved()) {
this.refreshProjectileSource(false); // Paper - Refresh ProjectileSource for projectiles
return this.cachedOwner;
@@ -304,7 +315,7 @@ public abstract class Projectile extends Entity implements TraceableEntity {
public boolean mayInteract(Level world, BlockPos pos) {
Entity entity = this.getOwner();
- return entity instanceof Player ? entity.mayInteract(world, pos) : entity == null || world.getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING);
+ return entity instanceof Player && io.papermc.paper.util.TickThread.isTickThreadFor(entity) ? entity.mayInteract(world, pos) : entity == null || world.getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING); // Folia - region threading
}
public boolean mayBreak(Level world) {
diff --git a/src/main/java/net/minecraft/world/entity/projectile/SmallFireball.java b/src/main/java/net/minecraft/world/entity/projectile/SmallFireball.java
index 6724fe4470aeea338eb4cfd10a7e61fbcac1e5b7..b6797d84356425945037d32b55c0d08c4699c8bf 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/SmallFireball.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/SmallFireball.java
@@ -26,7 +26,7 @@ public class SmallFireball extends Fireball {
public SmallFireball(Level world, LivingEntity owner, double velocityX, double velocityY, double velocityZ) {
super(EntityType.SMALL_FIREBALL, owner, velocityX, velocityY, velocityZ, world);
// CraftBukkit start
- if (this.getOwner() != null && this.getOwner() instanceof Mob) {
+ if (owner != null && owner instanceof Mob) { // Folia - region threading
this.isIncendiary = this.level().getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING);
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrowableProjectile.java b/src/main/java/net/minecraft/world/entity/projectile/ThrowableProjectile.java
index ab777952bda1651796ed41e8a7fc6621f27db9aa..6b9365eba3339578ee2984605240b74db2b8a6c0 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrowableProjectile.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrowableProjectile.java
@@ -44,6 +44,11 @@ public abstract class ThrowableProjectile extends Projectile {
@Override
public void tick() {
super.tick();
+ // Folia start - region threading - make sure entities do not move into regions they do not own
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor((net.minecraft.server.level.ServerLevel)this.level(), this.position(), this.getDeltaMovement(), 1)) {
+ return;
+ }
+ // Folia end - region threading - make sure entities do not move into regions they do not own
HitResult movingobjectposition = ProjectileUtil.getHitResultOnMoveVector(this, this::canHitEntity);
boolean flag = false;
diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
index 1fb1e729d6879568d8b4943071fa940325b2e5b0..0c4b158d574ad0e9e257532ac3b9a3a34497216f 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
@@ -46,6 +46,78 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
entityHitResult.getEntity().hurt(this.damageSources().thrown(this, this.getOwner()), 0.0F);
}
+ // Folia start - region threading
+ private static void attemptTeleport(Entity source, ServerLevel checkWorld, net.minecraft.world.phys.Vec3 to) {
+ // ignore retired callback, in those cases we do not want to teleport
+ source.getBukkitEntity().taskScheduler.schedule(
+ (Entity entity) -> {
+ // source is now an invalid reference, do not use it, use the entity parameter
+ net.minecraft.world.phys.Vec3 endermitePos = entity.position();
+
+ if (entity.level() != checkWorld) {
+ // cannot teleport cross-world
+ return;
+ }
+ if (entity.isVehicle()) {
+ // cannot teleport vehicles
+ return;
+ }
+ // dismount from any vehicles, so we can teleport and to prevent desync
+ if (entity.isPassenger()) {
+ entity.stopRiding();
+ }
+
+ // reset fall damage so that if the entity was falling they do not instantly die
+ entity.resetFallDistance();
+
+ entity.teleportAsync(
+ checkWorld, to, null, null, null,
+ PlayerTeleportEvent.TeleportCause.ENDER_PEARL,
+ // chunk could have been unloaded
+ Entity.TELEPORT_FLAG_LOAD_CHUNK,
+ (Entity teleported) -> {
+ // entity is now an invalid reference, do not use it, instead use teleported
+ if (teleported instanceof ServerPlayer player) {
+ // connection teleport is already done
+ ServerLevel world = player.serverLevel();
+
+ // endermite spawn chance
+ if (world.random.nextFloat() < 0.05F && world.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING)) {
+ Endermite entityendermite = (Endermite) EntityType.ENDERMITE.create(world);
+
+ if (entityendermite != null) {
+ float yRot = teleported.getYRot();
+ float xRot = teleported.getXRot();
+ Runnable spawn = () -> {
+ entityendermite.moveTo(endermitePos.x, endermitePos.y, endermitePos.z, yRot, xRot);
+ world.addFreshEntity(entityendermite, CreatureSpawnEvent.SpawnReason.ENDER_PEARL);
+ };
+
+ if (io.papermc.paper.util.TickThread.isTickThreadFor(world, endermitePos, net.minecraft.world.phys.Vec3.ZERO, 1)) {
+ spawn.run();
+ } else {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ world,
+ io.papermc.paper.util.CoordinateUtils.getChunkCoordinate(endermitePos.x),
+ io.papermc.paper.util.CoordinateUtils.getChunkCoordinate(endermitePos.z),
+ spawn
+ );
+ }
+ }
+ }
+
+ // damage player
+ player.hurt(player.damageSources().fall(), 5.0F);
+ }
+ }
+ );
+ },
+ null,
+ 1L
+ );
+ }
+ // Folia end - region threading
+
@Override
protected void onHit(HitResult hitResult) {
super.onHit(hitResult);
@@ -55,6 +127,20 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
}
if (!this.level().isClientSide && !this.isRemoved()) {
+ // Folia start - region threading
+ if (true) {
+ // we can't fire events, because we do not actually know where the other entity is located
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(this)) {
+ throw new IllegalStateException("Must be on tick thread for ticking entity: " + this);
+ }
+ Entity entity = this.getOwnerRaw();
+ if (entity != null) {
+ attemptTeleport(entity, (ServerLevel)this.level(), this.position());
+ }
+ this.discard(EntityRemoveEvent.Cause.HIT);
+ return;
+ }
+ // Folia end - region threading
Entity entity = this.getOwner();
if (entity instanceof ServerPlayer) {
@@ -113,6 +199,14 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
}
+ // Folia start - region threading
+ @Override
+ public void preChangeDimension() {
+ super.preChangeDimension();
+ // Don't change the owner here, since the tick logic will consider it anyways.
+ }
+ // Folia end - region threading
+
@Nullable
@Override
public Entity changeDimension(ServerLevel destination) {
diff --git a/src/main/java/net/minecraft/world/entity/raid/Raid.java b/src/main/java/net/minecraft/world/entity/raid/Raid.java
index eaa2943b667967f93f28d9d794d702fdaeb670ec..8fc22de1aa17cd8cb52d3804533d56cbb0e6bfeb 100644
--- a/src/main/java/net/minecraft/world/entity/raid/Raid.java
+++ b/src/main/java/net/minecraft/world/entity/raid/Raid.java
@@ -107,6 +107,13 @@ public class Raid {
private int celebrationTicks;
private Optional<BlockPos> waveSpawnPos;
+ // Folia start - make raids thread-safe
+ public boolean ownsRaid() {
+ BlockPos center = this.getCenter();
+ return center != null && io.papermc.paper.util.TickThread.isTickThreadFor(this.level, center.getX() >> 4, center.getZ() >> 4, 8);
+ }
+ // Folia end - make raids thread-safe
+
public Raid(int id, ServerLevel world, BlockPos pos) {
this.raidEvent = new ServerBossEvent(Raid.RAID_NAME_COMPONENT, BossEvent.BossBarColor.RED, BossEvent.BossBarOverlay.NOTCHED_10);
this.random = RandomSource.create();
@@ -215,7 +222,7 @@ public class Raid {
return (entityplayer) -> {
BlockPos blockposition = entityplayer.blockPosition();
- return entityplayer.isAlive() && this.level.getRaidAt(blockposition) == this;
+ return io.papermc.paper.util.TickThread.isTickThreadFor(entityplayer) && entityplayer.isAlive() && this.level.getRaidAt(blockposition) == this; // Folia - make raids thread-safe
};
}
@@ -531,7 +538,7 @@ public class Raid {
boolean flag = true;
Collection<ServerPlayer> collection = this.raidEvent.getPlayers();
long i = this.random.nextLong();
- Iterator iterator = this.level.players().iterator();
+ Iterator iterator = this.level.getLocalPlayers().iterator(); // Folia - region threading
while (iterator.hasNext()) {
ServerPlayer entityplayer = (ServerPlayer) iterator.next();
diff --git a/src/main/java/net/minecraft/world/entity/raid/Raider.java b/src/main/java/net/minecraft/world/entity/raid/Raider.java
index 93bbf7556f9599e9dd90761085a57d78bd521867..15e1ce9d50f176e475295f7d5e8d039f49e84ad8 100644
--- a/src/main/java/net/minecraft/world/entity/raid/Raider.java
+++ b/src/main/java/net/minecraft/world/entity/raid/Raider.java
@@ -94,7 +94,7 @@ public abstract class Raider extends PatrollingMonster {
if (this.canJoinRaid()) {
if (raid == null) {
- if (this.level().getGameTime() % 20L == 0L) {
+ if (this.level().getRedstoneGameTime() % 20L == 0L) { // Folia - region threading
Raid raid1 = ((ServerLevel) this.level()).getRaidAt(this.blockPosition());
if (raid1 != null && Raids.canJoinRaid(this, raid1)) {
diff --git a/src/main/java/net/minecraft/world/entity/raid/Raids.java b/src/main/java/net/minecraft/world/entity/raid/Raids.java
index 31831811ce16265e9828fa34d9e67d8ac195d723..287024eaee26390a469162d63045a7cb1bfc20cf 100644
--- a/src/main/java/net/minecraft/world/entity/raid/Raids.java
+++ b/src/main/java/net/minecraft/world/entity/raid/Raids.java
@@ -29,9 +29,9 @@ import net.minecraft.world.phys.Vec3;
public class Raids extends SavedData {
private static final String RAID_FILE_ID = "raids";
- public final Map<Integer, Raid> raidMap = Maps.newHashMap();
+ public final Map<Integer, Raid> raidMap = new java.util.concurrent.ConcurrentHashMap<>(); // Folia - make raids thread-safe
private final ServerLevel level;
- private int nextAvailableID;
+ private final java.util.concurrent.atomic.AtomicInteger nextAvailableID = new java.util.concurrent.atomic.AtomicInteger(); // Folia - make raids thread-safe
private int tick;
public static SavedData.Factory<Raids> factory(ServerLevel world) {
@@ -44,7 +44,7 @@ public class Raids extends SavedData {
public Raids(ServerLevel world) {
this.level = world;
- this.nextAvailableID = 1;
+ this.nextAvailableID.set(1); // Folia - make raids thread-safe
this.setDirty();
}
@@ -52,12 +52,26 @@ public class Raids extends SavedData {
return (Raid) this.raidMap.get(id);
}
- public void tick() {
+ // Folia start - make raids thread-safe
+ public void globalTick() {
++this.tick;
+ if (this.tick % 200 == 0) {
+ this.setDirty();
+ }
+ }
+ // Folia end - make raids thread-safe
+
+ public void tick() {
+ // Folia - make raids thread-safe - move to globalTick()
Iterator iterator = this.raidMap.values().iterator();
while (iterator.hasNext()) {
Raid raid = (Raid) iterator.next();
+ // Folia start - make raids thread-safe
+ if (!raid.ownsRaid()) {
+ continue;
+ }
+ // Folia end - make raids thread-safe
if (this.level.getGameRules().getBoolean(GameRules.RULE_DISABLE_RAIDS)) {
raid.stop();
@@ -71,14 +85,17 @@ public class Raids extends SavedData {
}
}
- if (this.tick % 200 == 0) {
- this.setDirty();
- }
+ // Folia - make raids thread-safe - move to globalTick()
DebugPackets.sendRaids(this.level, this.raidMap.values());
}
public static boolean canJoinRaid(Raider raider, Raid raid) {
+ // Folia start - make raids thread-safe
+ if (!raid.ownsRaid()) {
+ return false;
+ }
+ // Folia end - make raids thread-safe
return raider != null && raid != null && raid.getLevel() != null ? raider.isAlive() && raider.canJoinRaid() && raider.getNoActionTime() <= 2400 && raider.level().dimensionType() == raid.getLevel().dimensionType() : false;
}
@@ -91,7 +108,7 @@ public class Raids extends SavedData {
} else {
DimensionType dimensionmanager = player.level().dimensionType();
- if (!dimensionmanager.hasRaids()) {
+ if (!dimensionmanager.hasRaids() || !io.papermc.paper.util.TickThread.isTickThreadFor(this.level, player.chunkPosition().x, player.chunkPosition().z, 8)) { // Folia - region threading
return null;
} else {
BlockPos blockposition = player.blockPosition();
@@ -171,7 +188,7 @@ public class Raids extends SavedData {
public static Raids load(ServerLevel world, CompoundTag nbt) {
Raids persistentraid = new Raids(world);
- persistentraid.nextAvailableID = nbt.getInt("NextAvailableID");
+ persistentraid.nextAvailableID.set(nbt.getInt("NextAvailableID")); // Folia - make raids thread-safe
persistentraid.tick = nbt.getInt("Tick");
ListTag nbttaglist = nbt.getList("Raids", 10);
@@ -187,7 +204,7 @@ public class Raids extends SavedData {
@Override
public CompoundTag save(CompoundTag nbt) {
- nbt.putInt("NextAvailableID", this.nextAvailableID);
+ nbt.putInt("NextAvailableID", this.nextAvailableID.get()); // Folia - make raids thread-safe
nbt.putInt("Tick", this.tick);
ListTag nbttaglist = new ListTag();
Iterator iterator = this.raidMap.values().iterator();
@@ -209,7 +226,7 @@ public class Raids extends SavedData {
}
private int getUniqueId() {
- return ++this.nextAvailableID;
+ return this.nextAvailableID.incrementAndGet(); // Folia - make raids thread-safe
}
@Nullable
@@ -220,6 +237,11 @@ public class Raids extends SavedData {
while (iterator.hasNext()) {
Raid raid1 = (Raid) iterator.next();
+ // Folia start - make raids thread-safe
+ if (!raid1.ownsRaid()) {
+ continue;
+ }
+ // Folia end - make raids thread-safe
double d1 = raid1.getCenter().distSqr(pos);
if (raid1.isActive() && d1 < d0) {
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/MinecartCommandBlock.java b/src/main/java/net/minecraft/world/entity/vehicle/MinecartCommandBlock.java
index 88b00556322f078b8a9d28fb7c759bb8c84bfcf0..9badca2723f43e4caddb741252caeaf5f57ba9d6 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/MinecartCommandBlock.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/MinecartCommandBlock.java
@@ -150,5 +150,11 @@ public class MinecartCommandBlock extends AbstractMinecart {
return (org.bukkit.craftbukkit.entity.CraftMinecartCommand) MinecartCommandBlock.this.getBukkitEntity();
}
// CraftBukkit end
+ // Folia start
+ @Override
+ public void threadCheck() {
+ io.papermc.paper.util.TickThread.ensureTickThread(MinecartCommandBlock.this, "Asynchronous sendSystemMessage to a command block");
+ }
+ // Folia end
}
}
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/MinecartHopper.java b/src/main/java/net/minecraft/world/entity/vehicle/MinecartHopper.java
index fc35cfc9d045f3e5b6a50af1d0ba83b6e322091f..c87765a28f31673d547653b293c48856511bc693 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/MinecartHopper.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/MinecartHopper.java
@@ -128,7 +128,7 @@ public class MinecartHopper extends AbstractMinecartContainer implements Hopper
// Paper start
public void immunize() {
- this.activatedImmunityTick = Math.max(this.activatedImmunityTick, net.minecraft.server.MinecraftServer.currentTick + 20);
+ this.activatedImmunityTick = Math.max(this.activatedImmunityTick, io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() + 20);
}
// Paper end
diff --git a/src/main/java/net/minecraft/world/item/ArmorItem.java b/src/main/java/net/minecraft/world/item/ArmorItem.java
index 6b81be03f87967124b046708557e05d519aa79e4..2220ac02eec17c0791e5b4ce8f5e085333471127 100644
--- a/src/main/java/net/minecraft/world/item/ArmorItem.java
+++ b/src/main/java/net/minecraft/world/item/ArmorItem.java
@@ -75,7 +75,7 @@ public class ArmorItem extends Item implements Equipable {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseArmorEvent event = new BlockDispenseArmorEvent(block, craftItem.clone(), (org.bukkit.craftbukkit.entity.CraftLivingEntity) entityliving.getBukkitEntity());
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
world.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index 1ad126d992d95062a3db08374db7a927f23a0cac..7de615a1b474269bb1c1dcb613d564fbc59c13b5 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -379,31 +379,32 @@ public final class ItemStack {
CompoundTag oldData = this.getTagClone();
int oldCount = this.getCount();
ServerLevel world = (ServerLevel) context.getLevel();
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
if (!(item instanceof BucketItem/* || item instanceof SolidBucketItem*/)) { // if not bucket // Paper - Fix cancelled powdered snow bucket placement
- world.captureBlockStates = true;
+ worldData.captureBlockStates = true; // Folia - region threading
// special case bonemeal
if (item == Items.BONE_MEAL) {
- world.captureTreeGeneration = true;
+ worldData.captureTreeGeneration = true; // Folia - region threading
}
}
InteractionResult enuminteractionresult;
try {
enuminteractionresult = item.useOn(context);
} finally {
- world.captureBlockStates = false;
+ worldData.captureBlockStates = false; // Folia - region threading
}
CompoundTag newData = this.getTagClone();
int newCount = this.getCount();
this.setCount(oldCount);
this.setTagClone(oldData);
- if (enuminteractionresult.consumesAction() && world.captureTreeGeneration && world.capturedBlockStates.size() > 0) {
- world.captureTreeGeneration = false;
+ if (enuminteractionresult.consumesAction() && worldData.captureTreeGeneration && worldData.capturedBlockStates.size() > 0) { // Folia - region threading
+ world.getCurrentWorldData().captureTreeGeneration = false; // Folia - region threading
Location location = CraftLocation.toBukkit(blockposition, world.getWorld());
- TreeType treeType = SaplingBlock.treeType;
- SaplingBlock.treeType = null;
- List<CraftBlockState> blocks = new java.util.ArrayList<>(world.capturedBlockStates.values());
- world.capturedBlockStates.clear();
+ TreeType treeType = SaplingBlock.treeTypeRT.get(); // Folia - region threading
+ SaplingBlock.treeTypeRT.set(null); // Folia - region threading
+ List<CraftBlockState> blocks = new java.util.ArrayList<>(worldData.capturedBlockStates.values()); // Folia - region threading
+ worldData.capturedBlockStates.clear(); // Folia - region threading
StructureGrowEvent structureEvent = null;
if (treeType != null) {
boolean isBonemeal = this.getItem() == Items.BONE_MEAL;
@@ -432,13 +433,13 @@ public final class ItemStack {
SignItem.openSign = null; // SPIGOT-6758 - Reset on early return
return enuminteractionresult;
}
- world.captureTreeGeneration = false;
+ worldData.captureTreeGeneration = false; // Folia - region threading
if (entityhuman != null && enuminteractionresult.shouldAwardStats()) {
InteractionHand enumhand = context.getHand();
org.bukkit.event.block.BlockPlaceEvent placeEvent = null;
- List<BlockState> blocks = new java.util.ArrayList<>(world.capturedBlockStates.values());
- world.capturedBlockStates.clear();
+ List<BlockState> blocks = new java.util.ArrayList<>(worldData.capturedBlockStates.values()); // Folia - region threading
+ worldData.capturedBlockStates.clear(); // Folia - region threading
if (blocks.size() > 1) {
placeEvent = org.bukkit.craftbukkit.event.CraftEventFactory.callBlockMultiPlaceEvent(world, entityhuman, enumhand, blocks, blockposition.getX(), blockposition.getY(), blockposition.getZ());
} else if (blocks.size() == 1 && item != Items.POWDER_SNOW_BUCKET) { // Paper - Fix cancelled powdered snow bucket placement
@@ -449,13 +450,13 @@ public final class ItemStack {
enuminteractionresult = InteractionResult.FAIL; // cancel placement
// PAIL: Remove this when MC-99075 fixed
placeEvent.getPlayer().updateInventory();
- world.capturedTileEntities.clear(); // Paper - Allow chests to be placed with NBT data; clear out block entities as chests and such will pop loot
+ worldData.capturedTileEntities.clear(); // Paper - Allow chests to be placed with NBT data; clear out block entities as chests and such will pop loot // Folia - region threading
// revert back all captured blocks
- world.preventPoiUpdated = true; // CraftBukkit - SPIGOT-5710
+ worldData.preventPoiUpdated = true; // CraftBukkit - SPIGOT-5710 // Folia - region threading
for (BlockState blockstate : blocks) {
blockstate.update(true, false);
}
- world.preventPoiUpdated = false;
+ worldData.preventPoiUpdated = false; // Folia - region threading
// Brute force all possible updates
// Paper start - Don't resync blocks
@@ -472,7 +473,7 @@ public final class ItemStack {
this.setCount(newCount);
}
- for (Map.Entry<BlockPos, BlockEntity> e : world.capturedTileEntities.entrySet()) {
+ for (Map.Entry<BlockPos, BlockEntity> e : worldData.capturedTileEntities.entrySet()) { // Folia - region threading
world.setBlockEntity(e.getValue());
}
@@ -559,8 +560,8 @@ public final class ItemStack {
entityhuman.awardStat(Stats.ITEM_USED.get(item));
}
}
- world.capturedTileEntities.clear();
- world.capturedBlockStates.clear();
+ worldData.capturedTileEntities.clear(); // Folia - region threading
+ worldData.capturedBlockStates.clear(); // Folia - region threading
// CraftBukkit end
return enuminteractionresult;
diff --git a/src/main/java/net/minecraft/world/item/MapItem.java b/src/main/java/net/minecraft/world/item/MapItem.java
index d8dd99ec8bf7444c5a3c426db3a9c13e334dc0ff..5204449e94eeadb9b0485a0b4ff876196f40051c 100644
--- a/src/main/java/net/minecraft/world/item/MapItem.java
+++ b/src/main/java/net/minecraft/world/item/MapItem.java
@@ -95,6 +95,7 @@ public class MapItem extends ComplexItem {
}
public void update(Level world, Entity entity, MapItemSavedData state) {
+ synchronized (state) { // Folia - make map data thread-safe
if (world.dimension() == state.dimension && entity instanceof Player) {
int i = 1 << state.scale;
int j = state.centerX;
@@ -126,9 +127,9 @@ public class MapItem extends ComplexItem {
int j2 = (j / i + k1 - 64) * i;
int k2 = (k / i + l1 - 64) * i;
Multiset<MapColor> multiset = LinkedHashMultiset.create();
- LevelChunk chunk = world.getChunkIfLoaded(SectionPos.blockToSectionCoord(j2), SectionPos.blockToSectionCoord(k2)); // Paper - Maps shouldn't load chunks
+ LevelChunk chunk = world.getChunkIfLoaded(SectionPos.blockToSectionCoord(j2), SectionPos.blockToSectionCoord(k2)); // Paper - Maps shouldn't load chunks // Folia - super important that it uses getChunkIfLoaded
- if (chunk != null && !chunk.isEmpty()) { // Paper - Maps shouldn't load chunks
+ if (chunk != null && !chunk.isEmpty() && io.papermc.paper.util.TickThread.isTickThreadFor((ServerLevel)world, chunk.getPos())) { // Paper - Maps shouldn't load chunks // Folia - make sure chunk is owned
int l2 = 0;
double d1 = 0.0D;
int i3;
@@ -219,6 +220,7 @@ public class MapItem extends ComplexItem {
}
}
+ } // Folia - make map data thread-safe
}
private BlockState getCorrectStateForFluidBlock(Level world, BlockState state, BlockPos pos) {
@@ -235,6 +237,7 @@ public class MapItem extends ComplexItem {
MapItemSavedData worldmap = MapItem.getSavedData(map, world);
if (worldmap != null) {
+ synchronized (worldmap) { // Folia - make map data thread-safe
if (world.dimension() == worldmap.dimension) {
int i = 1 << worldmap.scale;
int j = worldmap.centerX;
@@ -309,6 +312,7 @@ public class MapItem extends ComplexItem {
}
}
+ } // Folia - make map data thread-safe
}
}
@@ -318,6 +322,7 @@ public class MapItem extends ComplexItem {
MapItemSavedData worldmap = MapItem.getSavedData(stack, world);
if (worldmap != null) {
+ synchronized (worldmap) { // Folia - region threading
if (entity instanceof Player) {
Player entityhuman = (Player) entity;
@@ -327,6 +332,7 @@ public class MapItem extends ComplexItem {
if (!worldmap.locked && (selected || entity instanceof Player && ((Player) entity).getOffhandItem() == stack)) {
this.update(world, entity, worldmap);
}
+ } // Folia - region threading
}
}
diff --git a/src/main/java/net/minecraft/world/item/MinecartItem.java b/src/main/java/net/minecraft/world/item/MinecartItem.java
index 3aa73cd44aa8c86b78c35bc1788e4f83018c49ed..cfead7686da25d2cd9203256962170d7a2d77289 100644
--- a/src/main/java/net/minecraft/world/item/MinecartItem.java
+++ b/src/main/java/net/minecraft/world/item/MinecartItem.java
@@ -70,7 +70,7 @@ public class MinecartItem extends Item {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
BlockDispenseEvent event = new BlockDispenseEvent(block2, craftItem.clone(), new org.bukkit.util.Vector(d0, d1 + d3, d2));
- if (!DispenserBlock.eventFired) {
+ if (!DispenserBlock.eventFired.get()) { // Folia - region threading
worldserver.getCraftServer().getPluginManager().callEvent(event);
}
diff --git a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
index 524b0f1086c01888fe0b76e180c40915d16a1eb9..50b3025189938374886c7e2725dd3e4d54ac2160 100644
--- a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
+++ b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
@@ -20,7 +20,7 @@ import net.minecraft.world.phys.Vec3;
public abstract class BaseCommandBlock implements CommandSource {
- private static final SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss");
+ private static final ThreadLocal<SimpleDateFormat> TIME_FORMAT = ThreadLocal.withInitial(() -> new SimpleDateFormat("HH:mm:ss")); // Folia - region threading - SDF is not thread-safe
private static final Component DEFAULT_NAME = Component.literal("@");
private long lastExecution = -1L;
private boolean updateLastExecution = true;
@@ -111,6 +111,7 @@ public abstract class BaseCommandBlock implements CommandSource {
}
public boolean performCommand(Level world) {
+ if (true) return false; // Folia - region threading
if (!world.isClientSide && world.getGameTime() != this.lastExecution) {
if ("Searge".equalsIgnoreCase(this.command)) {
this.lastOutput = Component.literal("#itzlipofutzli");
@@ -169,11 +170,14 @@ public abstract class BaseCommandBlock implements CommandSource {
}
+ public void threadCheck() {} // Folia
+
@Override
public void sendSystemMessage(Component message) {
if (this.trackOutput) {
org.spigotmc.AsyncCatcher.catchOp("sendSystemMessage to a command block"); // Paper - Don't broadcast messages to command blocks
- SimpleDateFormat simpledateformat = BaseCommandBlock.TIME_FORMAT;
+ this.threadCheck(); // Folia
+ SimpleDateFormat simpledateformat = BaseCommandBlock.TIME_FORMAT.get(); // Folia - region threading - SDF is not thread-safe
Date date = new Date();
this.lastOutput = Component.literal("[" + simpledateformat.format(date) + "] ").append(message);
diff --git a/src/main/java/net/minecraft/world/level/EntityGetter.java b/src/main/java/net/minecraft/world/level/EntityGetter.java
index ed84c87a3f76bc0254c1abb189e6b8b808823465..894a25e9dfd61b8409f2883fc0af7c799cf5aabe 100644
--- a/src/main/java/net/minecraft/world/level/EntityGetter.java
+++ b/src/main/java/net/minecraft/world/level/EntityGetter.java
@@ -38,6 +38,12 @@ public interface EntityGetter {
return this.getEntities(EntityTypeTest.forClass(entityClass), box, predicate);
}
+ // Folia start - region threading
+ default List<? extends Player> getLocalPlayers() {
+ return java.util.Collections.emptyList();
+ }
+ // Folia end - region threading
+
List<? extends Player> players();
default List<Entity> getEntities(@Nullable Entity except, AABB box) {
@@ -129,7 +135,7 @@ public interface EntityGetter {
double d = -1.0D;
Player player = null;
- for(Player player2 : this.players()) {
+ for(Player player2 : this.getLocalPlayers()) { // Folia - region threading
if (targetPredicate == null || targetPredicate.test(player2)) {
double e = player2.distanceToSqr(x, y, z);
if ((maxDistance < 0.0D || e < maxDistance * maxDistance) && (d == -1.0D || e < d)) {
@@ -150,7 +156,7 @@ public interface EntityGetter {
default List<org.bukkit.entity.HumanEntity> findNearbyBukkitPlayers(double x, double y, double z, double radius, @Nullable Predicate<Entity> predicate) {
com.google.common.collect.ImmutableList.Builder<org.bukkit.entity.HumanEntity> builder = com.google.common.collect.ImmutableList.builder();
- for (Player human : this.players()) {
+ for (Player human : this.getLocalPlayers()) { // Folia - region threading
if (predicate == null || predicate.test(human)) {
double distanceSquared = human.distanceToSqr(x, y, z);
@@ -177,7 +183,7 @@ public interface EntityGetter {
// Paper start - Affects Spawning API
default boolean hasNearbyAlivePlayerThatAffectsSpawning(double x, double y, double z, double range) {
- for (Player player : this.players()) {
+ for (Player player : this.getLocalPlayers()) { // Folia - region threading
if (EntitySelector.PLAYER_AFFECTS_SPAWNING.test(player)) { // combines NO_SPECTATORS and LIVING_ENTITY_STILL_ALIVE with an "affects spawning" check
double distanceSqr = player.distanceToSqr(x, y, z);
if (range < 0.0D || distanceSqr < range * range) {
@@ -190,7 +196,7 @@ public interface EntityGetter {
// Paper end - Affects Spawning API
default boolean hasNearbyAlivePlayer(double x, double y, double z, double range) {
- for(Player player : this.players()) {
+ for(Player player : this.getLocalPlayers()) { // Folia - region threading
if (EntitySelector.NO_SPECTATORS.test(player) && EntitySelector.LIVING_ENTITY_STILL_ALIVE.test(player)) {
double d = player.distanceToSqr(x, y, z);
if (range < 0.0D || d < range * range) {
@@ -204,17 +210,17 @@ public interface EntityGetter {
@Nullable
default Player getNearestPlayer(TargetingConditions targetPredicate, LivingEntity entity) {
- return this.getNearestEntity(this.players(), targetPredicate, entity, entity.getX(), entity.getY(), entity.getZ());
+ return this.getNearestEntity(this.getLocalPlayers(), targetPredicate, entity, entity.getX(), entity.getY(), entity.getZ()); // Folia - region threading
}
@Nullable
default Player getNearestPlayer(TargetingConditions targetPredicate, LivingEntity entity, double x, double y, double z) {
- return this.getNearestEntity(this.players(), targetPredicate, entity, x, y, z);
+ return this.getNearestEntity(this.getLocalPlayers(), targetPredicate, entity, x, y, z); // Folia - region threading
}
@Nullable
default Player getNearestPlayer(TargetingConditions targetPredicate, double x, double y, double z) {
- return this.getNearestEntity(this.players(), targetPredicate, (LivingEntity)null, x, y, z);
+ return this.getNearestEntity(this.getLocalPlayers(), targetPredicate, (LivingEntity)null, x, y, z); // Folia - region threading
}
@Nullable
@@ -249,7 +255,7 @@ public interface EntityGetter {
default List<Player> getNearbyPlayers(TargetingConditions targetPredicate, LivingEntity entity, AABB box) {
List<Player> list = Lists.newArrayList();
- for(Player player : this.players()) {
+ for(Player player : this.getLocalPlayers()) { // Folia - region threading
if (box.contains(player.getX(), player.getY(), player.getZ()) && targetPredicate.test(entity, player)) {
list.add(player);
}
@@ -275,8 +281,7 @@ public interface EntityGetter {
@Nullable
default Player getPlayerByUUID(UUID uuid) {
- for(int i = 0; i < this.players().size(); ++i) {
- Player player = this.players().get(i);
+ for(Player player : this.getLocalPlayers()) { // Folia - region threading
if (uuid.equals(player.getUUID())) {
return player;
}
diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
index 90a82bd7977ebe520bdcc2ab99e11452d5cf4a21..b937437d4446fbf80376399067fd04dc7f95e64a 100644
--- a/src/main/java/net/minecraft/world/level/Explosion.java
+++ b/src/main/java/net/minecraft/world/level/Explosion.java
@@ -870,17 +870,18 @@ public class Explosion {
if (!this.level.paperConfig().environment.optimizeExplosions) {
return this.getSeenFraction(vec3d, entity, blockCache, blockPos); // Paper - optimise explosions
}
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = this.level.getCurrentWorldData(); // Folia - region threading
CacheKey key = new CacheKey(this, entity.getBoundingBox());
- Float blockDensity = this.level.explosionDensityCache.get(key);
+ Float blockDensity = worldData.explosionDensityCache.get(key); // Folia - region threading
if (blockDensity == null) {
blockDensity = this.getSeenFraction(vec3d, entity, blockCache, blockPos); // Paper - optimise explosions;
- this.level.explosionDensityCache.put(key, blockDensity);
+ worldData.explosionDensityCache.put(key, blockDensity); // Folia - region threading
}
return blockDensity;
}
- static class CacheKey {
+ public static class CacheKey { // Folia - region threading - public
private final Level world;
private final double posX, posY, posZ;
private final double minX, minY, minZ;
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index bc89f9e90af3d69872a58c47a4c2545ba91b6ba5..52a7775e7aa375a043438d23204acd030ad35372 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -115,10 +115,10 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public static final int TICKS_PER_DAY = 24000;
public static final int MAX_ENTITY_SPAWN_Y = 20000000;
public static final int MIN_ENTITY_SPAWN_Y = -20000000;
- public final List<TickingBlockEntity> blockEntityTickers = Lists.newArrayList(); // Paper - public
- protected final NeighborUpdater neighborUpdater;
- private final List<TickingBlockEntity> pendingBlockEntityTickers = Lists.newArrayList();
- private boolean tickingBlockEntities;
+ //public final List<TickingBlockEntity> blockEntityTickers = Lists.newArrayList(); // Paper - public // Folia - region threading
+ public final int neighbourUpdateMax; //protected final NeighborUpdater neighborUpdater; // Folia - region threading
+ //private final List<TickingBlockEntity> pendingBlockEntityTickers = Lists.newArrayList(); // Folia - region threading
+ //private boolean tickingBlockEntities; // Folia - region threading
public final Thread thread;
private final boolean isDebug;
private int skyDarken;
@@ -128,7 +128,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public float rainLevel;
protected float oThunderLevel;
public float thunderLevel;
- public final RandomSource random = RandomSource.create();
+ public final RandomSource random = new Entity.RandomRandomSource(); // Folia - region threading
/** @deprecated */
@Deprecated
private final RandomSource threadSafeRandom = RandomSource.createThreadSafe();
@@ -142,7 +142,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
private final ResourceKey<Level> dimension;
private final RegistryAccess registryAccess;
private final DamageSources damageSources;
- private long subTickCount;
+ private final java.util.concurrent.atomic.AtomicLong subTickCount = new java.util.concurrent.atomic.AtomicLong(); //private long subTickCount; // Folia - region threading
// CraftBukkit start Added the following
private final CraftWorld world;
@@ -150,20 +150,10 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public boolean keepSpawnInMemory = true;
public org.bukkit.generator.ChunkGenerator generator;
- public boolean preventPoiUpdated = false; // CraftBukkit - SPIGOT-5710
- public boolean captureBlockStates = false;
- public boolean captureTreeGeneration = false;
- public Map<BlockPos, org.bukkit.craftbukkit.block.CraftBlockState> capturedBlockStates = new java.util.LinkedHashMap<>(); // Paper
- public Map<BlockPos, BlockEntity> capturedTileEntities = new java.util.LinkedHashMap<>(); // Paper - Retain block place order when capturing blockstates
- public List<ItemEntity> captureDrops;
+ // Folia - region threading - moved to regionised data
public final it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap<SpawnCategory> ticksPerSpawnCategory = new it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap<>();
- // Paper start
- public int wakeupInactiveRemainingAnimals;
- public int wakeupInactiveRemainingFlying;
- public int wakeupInactiveRemainingMonsters;
- public int wakeupInactiveRemainingVillagers;
- // Paper end
- public boolean populating;
+ // Folia - region threading - moved to regionised data
+ // Folia - region threading
public final org.spigotmc.SpigotWorldConfig spigotConfig; // Spigot
// Paper start - add paper world config
private final io.papermc.paper.configuration.WorldConfiguration paperConfig;
@@ -177,9 +167,9 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public static BlockPos lastPhysicsProblem; // Spigot
private org.spigotmc.TickLimiter entityLimiter;
private org.spigotmc.TickLimiter tileLimiter;
- private int tileTickPosition;
- public final Map<Explosion.CacheKey, Float> explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions
- public java.util.ArrayDeque<net.minecraft.world.level.block.RedstoneTorchBlock.Toggle> redstoneUpdateInfos; // Paper - Faster redstone torch rapid clock removal; Move from Map in BlockRedstoneTorch to here
+ //private int tileTickPosition; // Folia - region threading
+ //public final Map<Explosion.CacheKey, Float> explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions // Folia - region threading
+ //public java.util.ArrayDeque<net.minecraft.world.level.block.RedstoneTorchBlock.Toggle> redstoneUpdateInfos; // Paper - Faster redstone torch rapid clock removal; Move from Map in BlockRedstoneTorch to here // Folia - region threading
// Paper start - fix and optimise world upgrading
// copied from below
@@ -216,6 +206,33 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public abstract ResourceKey<LevelStem> getTypeKey();
+ // Folia start - region ticking
+ public final io.papermc.paper.threadedregions.RegionizedData<io.papermc.paper.threadedregions.RegionizedWorldData> worldRegionData
+ = new io.papermc.paper.threadedregions.RegionizedData<>(
+ (ServerLevel)this, () -> new io.papermc.paper.threadedregions.RegionizedWorldData((ServerLevel)Level.this),
+ io.papermc.paper.threadedregions.RegionizedWorldData.REGION_CALLBACK
+ );
+ public volatile io.papermc.paper.threadedregions.RegionizedServer.WorldLevelData tickData;
+ public final java.util.concurrent.ConcurrentHashMap.KeySetView<net.minecraft.server.level.ChunkHolder, Boolean> needsChangeBroadcasting = java.util.concurrent.ConcurrentHashMap.newKeySet();
+
+ public io.papermc.paper.threadedregions.RegionizedWorldData getCurrentWorldData() {
+ final io.papermc.paper.threadedregions.RegionizedWorldData ret = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData();
+ if (ret == null) {
+ return ret;
+ }
+ Level world = ret.world;
+ if (world != this) {
+ throw new IllegalStateException("World mismatch: expected " + this.getWorld().getName() + " but got " + world.getWorld().getName());
+ }
+ return ret;
+ }
+
+ @Override
+ public List<net.minecraft.server.level.ServerPlayer> getLocalPlayers() {
+ return this.getCurrentWorldData().getLocalPlayers();
+ }
+ // Folia end - region ticking
+
protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, RegistryAccess iregistrycustom, Holder<DimensionType> holder, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, int j, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env, java.util.function.Function<org.spigotmc.SpigotWorldConfig, io.papermc.paper.configuration.WorldConfiguration> paperWorldConfigCreator, java.util.concurrent.Executor executor) { // Paper - create paper world config; Async-Anti-Xray: Pass executor
this.spigotConfig = new org.spigotmc.SpigotWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName()); // Spigot
this.paperConfig = paperWorldConfigCreator.apply(this.spigotConfig); // Paper - create paper world config
@@ -259,7 +276,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
this.thread = Thread.currentThread();
this.biomeManager = new BiomeManager(this, i);
this.isDebug = flag1;
- this.neighborUpdater = new CollectingNeighborUpdater(this, j);
+ this.neighbourUpdateMax = j; // Folia - region threading
this.registryAccess = iregistrycustom;
this.damageSources = new DamageSources(iregistrycustom);
// CraftBukkit start
@@ -848,8 +865,8 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@Nullable
public final BlockState getBlockStateIfLoaded(BlockPos pos) {
// CraftBukkit start - tree generation
- if (this.captureTreeGeneration) {
- CraftBlockState previous = this.capturedBlockStates.get(pos);
+ if (this.getCurrentWorldData().captureTreeGeneration) { // Folia - region threading
+ CraftBlockState previous = this.getCurrentWorldData().capturedBlockStates.get(pos); // Folia - region threading
if (previous != null) {
return previous.getHandle();
}
@@ -911,16 +928,18 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@Override
public boolean setBlock(BlockPos pos, BlockState state, int flags, int maxUpdateDepth) {
+ io.papermc.paper.util.TickThread.ensureTickThread((ServerLevel)this, pos, "Updating block asynchronously"); // Folia - region threading
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = this.getCurrentWorldData(); // Folia - region threading
// CraftBukkit start - tree generation
- if (this.captureTreeGeneration) {
+ if (worldData.captureTreeGeneration) { // Folia - region threading
// Paper start - Protect Bedrock and End Portal/Frames from being destroyed
BlockState type = getBlockState(pos);
if (!type.isDestroyable()) return false;
// Paper end - Protect Bedrock and End Portal/Frames from being destroyed
- CraftBlockState blockstate = this.capturedBlockStates.get(pos);
+ CraftBlockState blockstate = worldData.capturedBlockStates.get(pos); // Folia - region threading
if (blockstate == null) {
blockstate = CapturedBlockState.getTreeBlockState(this, pos, flags);
- this.capturedBlockStates.put(pos.immutable(), blockstate);
+ worldData.capturedBlockStates.put(pos.immutable(), blockstate); // Folia - region threading
}
blockstate.setFlag(flags); // Paper - update the flag also
blockstate.setData(state);
@@ -937,10 +956,10 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
// CraftBukkit start - capture blockstates
boolean captured = false;
- if (this.captureBlockStates && !this.capturedBlockStates.containsKey(pos)) {
+ if (worldData.captureBlockStates && !worldData.capturedBlockStates.containsKey(pos)) { // Folia - region threading
CraftBlockState blockstate = (CraftBlockState) world.getBlockAt(pos.getX(), pos.getY(), pos.getZ()).getState(); // Paper - use CB getState to get a suitable snapshot
blockstate.setFlag(flags); // Paper - set flag
- this.capturedBlockStates.put(pos.immutable(), blockstate);
+ worldData.capturedBlockStates.put(pos.immutable(), blockstate); // Folia - region threading
captured = true;
}
// CraftBukkit end
@@ -950,8 +969,8 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
if (iblockdata1 == null) {
// CraftBukkit start - remove blockstate if failed (or the same)
- if (this.captureBlockStates && captured) {
- this.capturedBlockStates.remove(pos);
+ if (worldData.captureBlockStates && captured) { // Folia - region threading
+ worldData.capturedBlockStates.remove(pos); // Folia - region threading
}
// CraftBukkit end
return false;
@@ -988,7 +1007,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
*/
// CraftBukkit start
- if (!this.captureBlockStates) { // Don't notify clients or update physics while capturing blockstates
+ if (!worldData.captureBlockStates) { // Don't notify clients or update physics while capturing blockstates // Folia - region threading
// Modularize client and physic updates
// Spigot start
try {
@@ -1038,7 +1057,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
iblockdata1.updateIndirectNeighbourShapes(this, blockposition, k, j - 1); // Don't call an event for the old block to limit event spam
CraftWorld world = ((ServerLevel) this).getWorld();
boolean cancelledUpdates = false; // Paper - Fix block place logic
- if (world != null && ((ServerLevel)this).hasPhysicsEvent) { // Paper - BlockPhysicsEvent
+ if (world != null && ((ServerLevel)this).getCurrentWorldData().hasPhysicsEvent) { // Paper - BlockPhysicsEvent // Folia - region threading
BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftBlockData.fromData(iblockdata));
this.getCraftServer().getPluginManager().callEvent(event);
@@ -1052,7 +1071,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
}
// CraftBukkit start - SPIGOT-5710
- if (!this.preventPoiUpdated) {
+ if (!this.getCurrentWorldData().preventPoiUpdated) { // Folia - region threading
this.onBlockStateChange(blockposition, iblockdata1, iblockdata2);
}
// CraftBukkit end
@@ -1136,7 +1155,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@Override
public void neighborShapeChanged(Direction direction, BlockState neighborState, BlockPos pos, BlockPos neighborPos, int flags, int maxUpdateDepth) {
- this.neighborUpdater.shapeUpdate(direction, neighborState, pos, neighborPos, flags, maxUpdateDepth);
+ this.getCurrentWorldData().neighborUpdater.shapeUpdate(direction, neighborState, pos, neighborPos, flags, maxUpdateDepth); // Folia - region threading
}
@Override
@@ -1161,11 +1180,34 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
return this.getChunkSource().getLightEngine();
}
+ // Folia start - region threading
+ @Nullable
+ public BlockState getBlockStateFromEmptyChunkIfLoaded(BlockPos pos) {
+ net.minecraft.server.level.ServerChunkCache chunkProvider = (net.minecraft.server.level.ServerChunkCache)this.getChunkSource();
+ ChunkAccess chunk = chunkProvider.getChunkAtImmediately(pos.getX() >> 4, pos.getZ() >> 4);
+ if (chunk != null) {
+ return chunk.getBlockState(pos);
+ }
+ return null;
+ }
+
+ @Nullable
+ public BlockState getBlockStateFromEmptyChunk(BlockPos pos) {
+ net.minecraft.server.level.ServerChunkCache chunkProvider = (net.minecraft.server.level.ServerChunkCache)this.getChunkSource();
+ ChunkAccess chunk = chunkProvider.getChunkAtImmediately(pos.getX() >> 4, pos.getZ() >> 4);
+ if (chunk != null) {
+ return chunk.getBlockState(pos);
+ }
+ chunk = chunkProvider.getChunk(pos.getX() >> 4, pos.getZ() >> 4, ChunkStatus.EMPTY, true);
+ return chunk.getBlockState(pos);
+ }
+ // Folia end - region threading
+
@Override
public BlockState getBlockState(BlockPos pos) {
// CraftBukkit start - tree generation
- if (this.captureTreeGeneration) {
- CraftBlockState previous = this.capturedBlockStates.get(pos); // Paper
+ if (this.getCurrentWorldData().captureTreeGeneration) { // Folia - region threading
+ CraftBlockState previous = this.getCurrentWorldData().capturedBlockStates.get(pos); // Paper // Folia - region threading
if (previous != null) {
return previous.getHandle();
}
@@ -1262,7 +1304,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
}
public void addBlockEntityTicker(TickingBlockEntity ticker) {
- (this.tickingBlockEntities ? this.pendingBlockEntityTickers : this.blockEntityTickers).add(ticker);
+ ((ServerLevel)this).getCurrentWorldData().addBlockEntityTicker(ticker); // Folia - regionised ticking
}
protected void tickBlockEntities() {
@@ -1270,11 +1312,10 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
gameprofilerfiller.push("blockEntities");
this.timings.tileEntityPending.startTiming(); // Spigot
- this.tickingBlockEntities = true;
- if (!this.pendingBlockEntityTickers.isEmpty()) {
- this.blockEntityTickers.addAll(this.pendingBlockEntityTickers);
- this.pendingBlockEntityTickers.clear();
- }
+ final io.papermc.paper.threadedregions.RegionizedWorldData regionizedWorldData = this.getCurrentWorldData(); // Folia - regionised ticking
+ regionizedWorldData.seTtickingBlockEntities(true); // Folia - regionised ticking
+ regionizedWorldData.pushPendingTickingBlockEntities(); // Folia - regionised ticking
+ List<TickingBlockEntity> blockEntityTickers = regionizedWorldData.getBlockEntityTickers(); // Folia - regionised ticking
this.timings.tileEntityPending.stopTiming(); // Spigot
this.timings.tileEntityTick.startTiming(); // Spigot
@@ -1285,9 +1326,8 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
int tilesThisCycle = 0;
var toRemove = new it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<TickingBlockEntity>(); // Paper - Fix MC-117075; use removeAll
toRemove.add(null); // Paper - Fix MC-117075
- for (tileTickPosition = 0; tileTickPosition < this.blockEntityTickers.size(); tileTickPosition++) { // Paper - Disable tick limiters
- this.tileTickPosition = (this.tileTickPosition < this.blockEntityTickers.size()) ? this.tileTickPosition : 0;
- TickingBlockEntity tickingblockentity = (TickingBlockEntity) this.blockEntityTickers.get(this.tileTickPosition);
+ for (int i = 0; i < blockEntityTickers.size(); i++) { // Paper - Disable tick limiters // Folia - regionised ticking
+ TickingBlockEntity tickingblockentity = (TickingBlockEntity) blockEntityTickers.get(i); // Folia - regionised ticking
// Spigot end
if (tickingblockentity.isRemoved()) {
@@ -1298,19 +1338,19 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
} else if (flag && this.shouldTickBlocksAt(tickingblockentity.getPos())) {
tickingblockentity.tick();
// Paper start - execute chunk tasks during tick
- if ((this.tileTickPosition & 7) == 0) {
+ if ((i & 7) == 0) { // Folia - regionised ticking
MinecraftServer.getServer().executeMidTickTasks();
}
// Paper end - execute chunk tasks during tick
}
}
- this.blockEntityTickers.removeAll(toRemove); // Paper - Fix MC-117075
+ blockEntityTickers.removeAll(toRemove); // Paper - Fix MC-117075 // Folia - regionised ticking
this.timings.tileEntityTick.stopTiming(); // Spigot
- this.tickingBlockEntities = false;
- co.aikar.timings.TimingHistory.tileEntityTicks += this.blockEntityTickers.size(); // Paper
+ regionizedWorldData.seTtickingBlockEntities(false); // Folia - regionised ticking
+ //co.aikar.timings.TimingHistory.tileEntityTicks += this.blockEntityTickers.size(); // Paper // Folia - region threading
gameprofilerfiller.pop();
- this.spigotConfig.currentPrimedTnt = 0; // Spigot
+ regionizedWorldData.currentPrimedTnt = 0; // Spigot // Folia - region threading
}
public <T extends Entity> void guardEntityTick(Consumer<T> tickConsumer, T entity) {
@@ -1323,7 +1363,8 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
final String msg = String.format("Entity threw exception at %s:%s,%s,%s", entity.level().getWorld().getName(), entity.getX(), entity.getY(), entity.getZ());
MinecraftServer.LOGGER.error(msg, throwable);
getCraftServer().getPluginManager().callEvent(new com.destroystokyo.paper.event.server.ServerExceptionEvent(new com.destroystokyo.paper.exception.ServerInternalException(msg, throwable))); // Paper - ServerExceptionEvent
- entity.discard(org.bukkit.event.entity.EntityRemoveEvent.Cause.DISCARD);
+ if (!(entity instanceof net.minecraft.server.level.ServerPlayer)) entity.discard(org.bukkit.event.entity.EntityRemoveEvent.Cause.DISCARD); // Folia - properly disconnect players
+ if (entity instanceof net.minecraft.server.level.ServerPlayer player) player.connection.disconnect(net.minecraft.network.chat.Component.translatable("multiplayer.disconnect.generic"), org.bukkit.event.player.PlayerKickEvent.Cause.UNKNOWN); // Folia - properly disconnect players
// Paper end - Prevent block entity and entity crashes
}
}
@@ -1423,9 +1464,14 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@Nullable
public BlockEntity getBlockEntity(BlockPos blockposition, boolean validate) {
+ // Folia start - region threading
+ if (!io.papermc.paper.util.TickThread.isTickThread()) {
+ return null;
+ }
+ // Folia end - region threading
// Paper start - Perf: Optimize capturedTileEntities lookup
net.minecraft.world.level.block.entity.BlockEntity blockEntity;
- if (!this.capturedTileEntities.isEmpty() && (blockEntity = this.capturedTileEntities.get(blockposition)) != null) {
+ if (!this.getCurrentWorldData().capturedTileEntities.isEmpty() && (blockEntity = this.getCurrentWorldData().capturedTileEntities.get(blockposition)) != null) { // Folia - region threading
return blockEntity;
}
// Paper end - Perf: Optimize capturedTileEntities lookup
@@ -1438,8 +1484,8 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
if (!this.isOutsideBuildHeight(blockposition)) {
// CraftBukkit start
- if (this.captureBlockStates) {
- this.capturedTileEntities.put(blockposition.immutable(), blockEntity);
+ if (this.getCurrentWorldData().captureBlockStates) { // Folia - region threading
+ this.getCurrentWorldData().capturedTileEntities.put(blockposition.immutable(), blockEntity); // Folia - region threading
return;
}
// CraftBukkit end
@@ -1519,6 +1565,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@Override
public List<Entity> getEntities(@Nullable Entity except, AABB box, Predicate<? super Entity> predicate) {
+ io.papermc.paper.util.TickThread.ensureTickThread((ServerLevel)this, box, "Cannot getEntities asynchronously"); // Folia - region threading
this.getProfiler().incrementCounter("getEntities");
List<Entity> list = Lists.newArrayList();
((ServerLevel)this).getEntityLookup().getEntities(except, box, list, predicate); // Paper - optimise this call
@@ -1538,6 +1585,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
}
public <T extends Entity> void getEntities(EntityTypeTest<Entity, T> filter, AABB box, Predicate<? super T> predicate, List<? super T> result, int limit) {
+ io.papermc.paper.util.TickThread.ensureTickThread((ServerLevel)this, box, "Cannot getEntities asynchronously"); // Folia - region threading
this.getProfiler().incrementCounter("getEntities");
// Paper start - optimise this call
//TODO use limit
@@ -1575,13 +1623,30 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public void disconnect() {}
+ @Override // Folia - region threading
public long getGameTime() {
- return this.levelData.getGameTime();
+ // Dumb world gen thread calls this for some reason. So, check for null.
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = this.getCurrentWorldData();
+ return worldData == null ? this.getLevelData().getGameTime() : worldData.getTickData().nonRedstoneGameTime();
}
public long getDayTime() {
- return this.levelData.getDayTime();
+ // Dumb world gen thread calls this for some reason. So, check for null.
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = this.getCurrentWorldData();
+ return worldData == null ? this.getLevelData().getDayTime() : worldData.getTickData().dayTime();
+ }
+
+ // Folia start - region threading
+ @Override
+ public long dayTime() {
+ return this.getDayTime();
+ }
+
+ @Override
+ public long getRedstoneGameTime() {
+ return this.getCurrentWorldData().getRedstoneGameTime();
}
+ // Folia end - region threading
public boolean mayInteract(Player player, BlockPos pos) {
return true;
@@ -1785,8 +1850,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
}
public final BlockPos.MutableBlockPos getRandomBlockPosition(int x, int y, int z, int l, BlockPos.MutableBlockPos out) {
// Paper end
- this.randValue = this.randValue * 3 + 1013904223;
- int i1 = this.randValue >> 2;
+ int i1 = this.random.nextInt() >> 2; // Folia - region threading
out.set(x + (i1 & 15), y + (i1 >> 16 & l), z + (i1 >> 8 & 15)); // Paper - change to setValues call
return out; // Paper
@@ -1817,7 +1881,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@Override
public long nextSubTickCount() {
- return (long) (this.subTickCount++);
+ return this.subTickCount.getAndIncrement(); // Folia - region threading
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/LevelAccessor.java b/src/main/java/net/minecraft/world/level/LevelAccessor.java
index bd9ac874b2d4333bc5c3a79657d63f1bd41fd8c8..f706159a85fe463806b44c768dc9d438a6a1d958 100644
--- a/src/main/java/net/minecraft/world/level/LevelAccessor.java
+++ b/src/main/java/net/minecraft/world/level/LevelAccessor.java
@@ -35,12 +35,22 @@ public interface LevelAccessor extends CommonLevelAccessor, LevelTimeAccess {
LevelTickAccess<Block> getBlockTicks();
+ // Folia start - region threading
+ default long getGameTime() {
+ return this.getLevelData().getGameTime();
+ }
+
+ default long getRedstoneGameTime() {
+ return this.getLevelData().getGameTime();
+ }
+ // Folia end - region threading
+
default <T> ScheduledTick<T> createTick(BlockPos pos, T type, int delay, TickPriority priority) { // CraftBukkit - decompile error
- return new ScheduledTick<>(type, pos, this.getLevelData().getGameTime() + (long) delay, priority, this.nextSubTickCount());
+ return new ScheduledTick<>(type, pos, this.getRedstoneGameTime() + (long) delay, priority, this.nextSubTickCount()); // Folia - region threading
}
default <T> ScheduledTick<T> createTick(BlockPos pos, T type, int delay) { // CraftBukkit - decompile error
- return new ScheduledTick<>(type, pos, this.getLevelData().getGameTime() + (long) delay, this.nextSubTickCount());
+ return new ScheduledTick<>(type, pos, this.getRedstoneGameTime() + (long) delay, this.nextSubTickCount()); // Folia - region threading
}
default void scheduleTick(BlockPos pos, Block block, int delay, TickPriority priority) {
diff --git a/src/main/java/net/minecraft/world/level/LevelReader.java b/src/main/java/net/minecraft/world/level/LevelReader.java
index 12eaafdbd324fa36b3f46c3b644bc8117a4123ad..c8c358a2ce567567159039ed6a1ba804b5d3ee85 100644
--- a/src/main/java/net/minecraft/world/level/LevelReader.java
+++ b/src/main/java/net/minecraft/world/level/LevelReader.java
@@ -210,6 +210,25 @@ public interface LevelReader extends BlockAndTintGetter, CollisionGetter, Signal
return maxY >= this.getMinBuildHeight() && minY < this.getMaxBuildHeight() ? this.hasChunksAt(minX, minZ, maxX, maxZ) : false;
}
+ // Folia start - region threading
+ default boolean hasAndOwnsChunksAt(int minX, int minZ, int maxX, int maxZ) {
+ int i = SectionPos.blockToSectionCoord(minX);
+ int j = SectionPos.blockToSectionCoord(maxX);
+ int k = SectionPos.blockToSectionCoord(minZ);
+ int l = SectionPos.blockToSectionCoord(maxZ);
+
+ for(int m = i; m <= j; ++m) {
+ for(int n = k; n <= l; ++n) {
+ if (!this.hasChunk(m, n) || (this instanceof net.minecraft.server.level.ServerLevel world && !io.papermc.paper.util.TickThread.isTickThreadFor(world, m, n))) {
+ return false;
+ }
+ }
+ }
+
+ return true;
+ }
+ // Folia end - region threading
+
/** @deprecated */
@Deprecated
default boolean hasChunksAt(int minX, int minZ, int maxX, int maxZ) {
diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index da7489986848316fed029b71d1bc4e1248c9c9a8..9c1263fdc3731e04ac28c6d0ed904ecdc3ea3038 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -146,7 +146,7 @@ public final class NaturalSpawner {
int limit = enumcreaturetype.getMaxInstancesPerChunk();
SpawnCategory spawnCategory = CraftSpawnCategory.toBukkit(enumcreaturetype);
if (CraftSpawnCategory.isValidForLimits(spawnCategory)) {
- spawnThisTick = world.ticksPerSpawnCategory.getLong(spawnCategory) != 0 && worlddata.getGameTime() % world.ticksPerSpawnCategory.getLong(spawnCategory) == 0;
+ spawnThisTick = world.ticksPerSpawnCategory.getLong(spawnCategory) != 0 && world.getRedstoneGameTime() % world.ticksPerSpawnCategory.getLong(spawnCategory) == 0; // Folia - region threading
limit = world.getWorld().getSpawnLimit(spawnCategory);
}
diff --git a/src/main/java/net/minecraft/world/level/ServerLevelAccessor.java b/src/main/java/net/minecraft/world/level/ServerLevelAccessor.java
index 3d377b9e461040405e0a7dcbd72d1506b48eb44e..782890e227ff9dab44dd92327979c201985f116e 100644
--- a/src/main/java/net/minecraft/world/level/ServerLevelAccessor.java
+++ b/src/main/java/net/minecraft/world/level/ServerLevelAccessor.java
@@ -7,6 +7,12 @@ public interface ServerLevelAccessor extends LevelAccessor {
ServerLevel getLevel();
+ // Folia start - region threading
+ default public StructureManager structureManager() {
+ throw new UnsupportedOperationException();
+ }
+ // Folia end - region threading
+
default void addFreshEntityWithPassengers(Entity entity) {
// CraftBukkit start
this.addFreshEntityWithPassengers(entity, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT);
diff --git a/src/main/java/net/minecraft/world/level/StructureManager.java b/src/main/java/net/minecraft/world/level/StructureManager.java
index b59581b92aed0bc1b09008c695b0b112c3e65743..e91f36528862c0ee4c5b5d765113fdaf1be487e8 100644
--- a/src/main/java/net/minecraft/world/level/StructureManager.java
+++ b/src/main/java/net/minecraft/world/level/StructureManager.java
@@ -44,12 +44,9 @@ public class StructureManager {
}
public List<StructureStart> startsForStructure(ChunkPos pos, Predicate<Structure> predicate) {
- // Paper start - Fix swamp hut cat generation deadlock
- return this.startsForStructure(pos, predicate, null);
- }
- public List<StructureStart> startsForStructure(ChunkPos pos, Predicate<Structure> predicate, @Nullable ServerLevelAccessor levelAccessor) {
- Map<Structure, LongSet> map = (levelAccessor == null ? this.level : levelAccessor).getChunk(pos.x, pos.z, ChunkStatus.STRUCTURE_REFERENCES).getAllReferences();
- // Paper end - Fix swamp hut cat generation deadlock
+ // Folia - region threading
+ Map<Structure, LongSet> map = this.level.getChunk(pos.x, pos.z, ChunkStatus.STRUCTURE_REFERENCES).getAllReferences(); // Folia - region threading
+ // Paper end
ImmutableList.Builder<StructureStart> builder = ImmutableList.builder();
for(Map.Entry<Structure, LongSet> entry : map.entrySet()) {
@@ -113,18 +110,14 @@ public class StructureManager {
}
public StructureStart getStructureWithPieceAt(BlockPos pos, TagKey<Structure> structureTag) {
- // Paper start - Fix swamp hut cat generation deadlock
- return this.getStructureWithPieceAt(pos, structureTag, null);
- }
- public StructureStart getStructureWithPieceAt(BlockPos pos, TagKey<Structure> structureTag, @Nullable ServerLevelAccessor levelAccessor) {
- // Paper end - Fix swamp hut cat generation deadlock
+ // Folia - region threading
Registry<Structure> registry = this.registryAccess().registryOrThrow(Registries.STRUCTURE);
for(StructureStart structureStart : this.startsForStructure(new ChunkPos(pos), (structure) -> {
return registry.getHolder(registry.getId(structure)).map((reference) -> {
return reference.is(structureTag);
}).orElse(false);
- }, levelAccessor)) { // Paper - Fix swamp hut cat generation deadlock
+ })) { // Paper // Folia - region threading
if (this.structureHasPieceAt(pos, structureStart)) {
return structureStart;
}
@@ -168,7 +161,7 @@ public class StructureManager {
}
public void addReference(StructureStart structureStart) {
- structureStart.addReference();
+ //structureStart.addReference(); // Folia - region threading - move to caller
this.structureCheck.incrementReference(structureStart.getChunkPos(), structureStart.getStructure());
}
diff --git a/src/main/java/net/minecraft/world/level/block/BedBlock.java b/src/main/java/net/minecraft/world/level/block/BedBlock.java
index 38fcde81d797dc46409f5a9ed426fe296d79bdfa..11ba667fd0fe79513d505b34eb0cf1ec66fc2842 100644
--- a/src/main/java/net/minecraft/world/level/block/BedBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BedBlock.java
@@ -367,7 +367,7 @@ public class BedBlock extends HorizontalDirectionalBlock implements EntityBlock
world.setBlock(blockposition1, (BlockState) state.setValue(BedBlock.PART, BedPart.HEAD), 3);
// CraftBukkit start - SPIGOT-7315: Don't updated if we capture block states
- if (world.captureBlockStates) {
+ if (world.getCurrentWorldData().captureBlockStates) { // Folia - region threading
return;
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/level/block/Block.java b/src/main/java/net/minecraft/world/level/block/Block.java
index 22036ed3ea0629bc12981a8d91a03e55cc2117d6..6df3913145aaf37f9a1b7dc77fed12f6952d77e6 100644
--- a/src/main/java/net/minecraft/world/level/block/Block.java
+++ b/src/main/java/net/minecraft/world/level/block/Block.java
@@ -398,8 +398,8 @@ public class Block extends BlockBehaviour implements ItemLike {
entityitem.setDefaultPickUpDelay();
// CraftBukkit start
- if (world.captureDrops != null) {
- world.captureDrops.add(entityitem);
+ if (world.getCurrentWorldData().captureDrops != null) { // Folia - region threading
+ world.getCurrentWorldData().captureDrops.add(entityitem); // Folia - region threading
} else {
world.addFreshEntity(entityitem);
}
diff --git a/src/main/java/net/minecraft/world/level/block/BushBlock.java b/src/main/java/net/minecraft/world/level/block/BushBlock.java
index bed3d9c781c7d3ca260027b4737970889a54689c..46c81d73813c6607d95062358e6e3cd05ffe3192 100644
--- a/src/main/java/net/minecraft/world/level/block/BushBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BushBlock.java
@@ -28,7 +28,7 @@ public abstract class BushBlock extends Block {
public BlockState updateShape(BlockState state, Direction direction, BlockState neighborState, LevelAccessor world, BlockPos pos, BlockPos neighborPos) {
// CraftBukkit start
if (!state.canSurvive(world, pos)) {
- if (!(world instanceof net.minecraft.server.level.ServerLevel && ((net.minecraft.server.level.ServerLevel) world).hasPhysicsEvent) || !org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) { // Paper
+ if (!(world instanceof net.minecraft.server.level.ServerLevel && ((net.minecraft.server.level.ServerLevel) world).getCurrentWorldData().hasPhysicsEvent) || !org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) { // Paper // Folia - region threading
return Blocks.AIR.defaultBlockState();
}
}
diff --git a/src/main/java/net/minecraft/world/level/block/DaylightDetectorBlock.java b/src/main/java/net/minecraft/world/level/block/DaylightDetectorBlock.java
index de6f00d03223939386aa2ccfdec1e696a68313d7..eb7c2c5b762dbadbe9ccbddc37757bdf97ea4bfe 100644
--- a/src/main/java/net/minecraft/world/level/block/DaylightDetectorBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DaylightDetectorBlock.java
@@ -120,7 +120,7 @@ public class DaylightDetectorBlock extends BaseEntityBlock {
}
private static void tickEntity(Level world, BlockPos pos, BlockState state, DaylightDetectorBlockEntity blockEntity) {
- if (world.getGameTime() % 20L == 0L) {
+ if (world.getRedstoneGameTime() % 20L == 0L) { // Folia - region threading
DaylightDetectorBlock.updateSignalStrength(state, world, pos);
}
diff --git a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
index 644e64850479cea20a98b8a65503ccf3a34fd32a..321779653c5b1f528673b7aad01f544cc200be58 100644
--- a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
@@ -49,7 +49,7 @@ public class DispenserBlock extends BaseEntityBlock {
object2objectopenhashmap.defaultReturnValue(new DefaultDispenseItemBehavior());
});
private static final int TRIGGER_DURATION = 4;
- public static boolean eventFired = false; // CraftBukkit
+ public static ThreadLocal<Boolean> eventFired = ThreadLocal.withInitial(() -> Boolean.FALSE); // CraftBukkit // Folia - region threading
@Override
public MapCodec<? extends DispenserBlock> codec() {
@@ -105,7 +105,7 @@ public class DispenserBlock extends BaseEntityBlock {
if (idispensebehavior != DispenseItemBehavior.NOOP) {
if (!org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockPreDispenseEvent(world, pos, itemstack, i)) return; // Paper - Add BlockPreDispenseEvent
- DispenserBlock.eventFired = false; // CraftBukkit - reset event status
+ DispenserBlock.eventFired.set(Boolean.FALSE); // CraftBukkit - reset event status // Folia - region threading
tileentitydispenser.setItem(i, idispensebehavior.dispense(sourceblock, itemstack));
}
diff --git a/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java b/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
index 03b5ab8251497c0c94467f90e6663a0dc766babb..4fb595a8300ce2b163540603c7a2b002869a84c1 100644
--- a/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
@@ -102,7 +102,7 @@ public class DoublePlantBlock extends BushBlock {
protected static void preventDropFromBottomPart(Level world, BlockPos pos, BlockState state, Player player) {
// CraftBukkit start
- if (((net.minecraft.server.level.ServerLevel)world).hasPhysicsEvent && org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) { // Paper
+ if (((net.minecraft.server.level.ServerLevel)world).getCurrentWorldData().hasPhysicsEvent && org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) { // Paper // Folia - region threading
return;
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java b/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
index 4ba24bced9a2de4616a0418857d3738e0e322ea0..afc9445941b984cc1122839e4a8a17cf27aa966e 100644
--- a/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
@@ -64,7 +64,7 @@ public class EndPortalBlock extends BaseEntityBlock {
// Paper start - move all of this logic into portal tick
entity.portalWorld = ((ServerLevel)world);
entity.portalBlock = pos.immutable();
- if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowUnsafeEndPortalTeleportation) {
+ if (false) { // Folia - region threading - synchronous teleports are not allowed
entity.tickEndPortal();
}
// Paper end - move all of this logic into portal tick
diff --git a/src/main/java/net/minecraft/world/level/block/FarmBlock.java b/src/main/java/net/minecraft/world/level/block/FarmBlock.java
index 6e4c852c93f2418ea69e485ed3a10cbe3a6e3bd2..ab2b9b85b844cf3e6ef5a0379fa3279b85a7328c 100644
--- a/src/main/java/net/minecraft/world/level/block/FarmBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/FarmBlock.java
@@ -92,8 +92,8 @@ public class FarmBlock extends Block {
@Override
public void randomTick(BlockState state, ServerLevel world, BlockPos pos, RandomSource random) {
int i = (Integer) state.getValue(FarmBlock.MOISTURE);
- if (i > 0 && world.paperConfig().tickRates.wetFarmland != 1 && (world.paperConfig().tickRates.wetFarmland < 1 || (net.minecraft.server.MinecraftServer.currentTick + pos.hashCode()) % world.paperConfig().tickRates.wetFarmland != 0)) { return; } // Paper - Configurable random tick rates for blocks
- if (i == 0 && world.paperConfig().tickRates.dryFarmland != 1 && (world.paperConfig().tickRates.dryFarmland < 1 || (net.minecraft.server.MinecraftServer.currentTick + pos.hashCode()) % world.paperConfig().tickRates.dryFarmland != 0)) { return; } // Paper - Configurable random tick rates for blocks
+ if (i > 0 && world.paperConfig().tickRates.wetFarmland != 1 && (world.paperConfig().tickRates.wetFarmland < 1 || (world.getRedstoneGameTime() + pos.hashCode()) % world.paperConfig().tickRates.wetFarmland != 0)) { return; } // Paper - Configurable random tick rates for blocks // Folia - region threading
+ if (i == 0 && world.paperConfig().tickRates.dryFarmland != 1 && (world.paperConfig().tickRates.dryFarmland < 1 || (world.getRedstoneGameTime() + pos.hashCode()) % world.paperConfig().tickRates.dryFarmland != 0)) { return; } // Paper - Configurable random tick rates for blocks // Folia - region threading
if (!FarmBlock.isNearWater(world, pos) && !world.isRainingAt(pos.above())) {
if (i > 0) {
diff --git a/src/main/java/net/minecraft/world/level/block/FungusBlock.java b/src/main/java/net/minecraft/world/level/block/FungusBlock.java
index 50d7235cf2ef036451db708c45a063d037051ae9..c0433491be43bb8cc6d00e32edf7699a79f7a251 100644
--- a/src/main/java/net/minecraft/world/level/block/FungusBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/FungusBlock.java
@@ -76,9 +76,9 @@ public class FungusBlock extends BushBlock implements BonemealableBlock {
this.getFeature(world).ifPresent((holder) -> {
// CraftBukkit start
if (this == Blocks.WARPED_FUNGUS) {
- SaplingBlock.treeType = org.bukkit.TreeType.WARPED_FUNGUS;
+ SaplingBlock.treeTypeRT.set(org.bukkit.TreeType.WARPED_FUNGUS); // Folia - region threading
} else if (this == Blocks.CRIMSON_FUNGUS) {
- SaplingBlock.treeType = org.bukkit.TreeType.CRIMSON_FUNGUS;
+ SaplingBlock.treeTypeRT.set(org.bukkit.TreeType.CRIMSON_FUNGUS); // Folia - region threading
}
// CraftBukkit end
((ConfiguredFeature) holder.value()).place(world, world.getChunkSource().getGenerator(), random, pos);
diff --git a/src/main/java/net/minecraft/world/level/block/HoneyBlock.java b/src/main/java/net/minecraft/world/level/block/HoneyBlock.java
index 39e2fe8c5f5a2a4d4f3a7be3645923b5a1dca875..21b5a5abad737243f3d44ae3aa40aed9f67ab26f 100644
--- a/src/main/java/net/minecraft/world/level/block/HoneyBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/HoneyBlock.java
@@ -87,7 +87,7 @@ public class HoneyBlock extends HalfTransparentBlock {
}
private void maybeDoSlideAchievement(Entity entity, BlockPos pos) {
- if (entity instanceof ServerPlayer && entity.level().getGameTime() % 20L == 0L) {
+ if (entity instanceof ServerPlayer && entity.level().getRedstoneGameTime() % 20L == 0L) { // Folia - region threading
CriteriaTriggers.HONEY_BLOCK_SLIDE.trigger((ServerPlayer)entity, entity.level().getBlockState(pos));
}
diff --git a/src/main/java/net/minecraft/world/level/block/LightningRodBlock.java b/src/main/java/net/minecraft/world/level/block/LightningRodBlock.java
index ec4aaaca2160312452d724dc6639ac8c4fa42ae4..e1f67599724f67f4f1321f219af8099e8c54e9e7 100644
--- a/src/main/java/net/minecraft/world/level/block/LightningRodBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/LightningRodBlock.java
@@ -119,7 +119,7 @@ public class LightningRodBlock extends RodBlock implements SimpleWaterloggedBloc
@Override
public void animateTick(BlockState state, Level world, BlockPos pos, RandomSource random) {
- if (world.isThundering() && (long) world.random.nextInt(200) <= world.getGameTime() % 200L && pos.getY() == world.getHeight(Heightmap.Types.WORLD_SURFACE, pos.getX(), pos.getZ()) - 1) {
+ if (world.isThundering() && (long) world.random.nextInt(200) <= world.getRedstoneGameTime() % 200L && pos.getY() == world.getHeight(Heightmap.Types.WORLD_SURFACE, pos.getX(), pos.getZ()) - 1) { // Folia - region threading
ParticleUtils.spawnParticlesAlongAxis(((Direction) state.getValue(LightningRodBlock.FACING)).getAxis(), world, pos, 0.125D, ParticleTypes.ELECTRIC_SPARK, UniformInt.of(1, 2));
}
}
diff --git a/src/main/java/net/minecraft/world/level/block/MushroomBlock.java b/src/main/java/net/minecraft/world/level/block/MushroomBlock.java
index 1f27ae8abd5891a0b8057b454f2210b088b4e95a..a978a6130f5f6fdd1dab194e753cbe2491713c9d 100644
--- a/src/main/java/net/minecraft/world/level/block/MushroomBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/MushroomBlock.java
@@ -105,7 +105,7 @@ public class MushroomBlock extends BushBlock implements BonemealableBlock {
return false;
} else {
world.removeBlock(pos, false);
- SaplingBlock.treeType = (this == Blocks.BROWN_MUSHROOM) ? TreeType.BROWN_MUSHROOM : TreeType.RED_MUSHROOM; // CraftBukkit
+ SaplingBlock.treeTypeRT.set((this == Blocks.BROWN_MUSHROOM) ? TreeType.BROWN_MUSHROOM : TreeType.RED_MUSHROOM); // CraftBukkit // Folia - region threading
if (((ConfiguredFeature) ((Holder) optional.get()).value()).place(world, world.getChunkSource().getGenerator(), random, pos)) {
return true;
} else {
diff --git a/src/main/java/net/minecraft/world/level/block/RedStoneWireBlock.java b/src/main/java/net/minecraft/world/level/block/RedStoneWireBlock.java
index b5a71fd4e2f55bf036c2c697da5d50cc90fc657c..7f33db05284a957690eac6eb6f5b3b05586727bb 100644
--- a/src/main/java/net/minecraft/world/level/block/RedStoneWireBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/RedStoneWireBlock.java
@@ -69,7 +69,7 @@ public class RedStoneWireBlock extends Block {
});
private static final float PARTICLE_DENSITY = 0.2F;
private final BlockState crossState;
- public boolean shouldSignal = true;
+ //public boolean shouldSignal = true; // Folia - region threading - move to regionised world data
@Override
public MapCodec<RedStoneWireBlock> codec() {
@@ -261,7 +261,11 @@ public class RedStoneWireBlock extends Block {
// Paper start - Optimize redstone (Eigencraft)
// The bulk of the new functionality is found in RedstoneWireTurbo.java
- com.destroystokyo.paper.util.RedstoneWireTurbo turbo = new com.destroystokyo.paper.util.RedstoneWireTurbo(this);
+ // Folia start - region threading
+ private com.destroystokyo.paper.util.RedstoneWireTurbo getTurbo(Level world) {
+ return world.getCurrentWorldData().turbo;
+ }
+ // Folia end - region threading
/*
* Modified version of pre-existing updateSurroundingRedstone, which is called from
@@ -270,7 +274,7 @@ public class RedStoneWireBlock extends Block {
*/
private void updateSurroundingRedstone(Level worldIn, BlockPos pos, BlockState state, BlockPos source) {
if (worldIn.paperConfig().misc.redstoneImplementation == io.papermc.paper.configuration.WorldConfiguration.Misc.RedstoneImplementation.EIGENCRAFT) {
- turbo.updateSurroundingRedstone(worldIn, pos, state, source);
+ this.getTurbo(worldIn).updateSurroundingRedstone(worldIn, pos, state, source); // Folia - region threading
return;
}
updatePowerStrength(worldIn, pos, state);
@@ -289,9 +293,9 @@ public class RedStoneWireBlock extends Block {
int i = state.getValue(POWER);
int j = 0;
j = this.getPower(j, worldIn.getBlockState(pos2));
- this.shouldSignal = false;
+ io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData().shouldSignal = false; // Folia - region threading
int k = worldIn.getBestNeighborSignal(pos1);
- this.shouldSignal = true;
+ io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData().shouldSignal = true; // Folia - region threading
if (worldIn.paperConfig().misc.redstoneImplementation == io.papermc.paper.configuration.WorldConfiguration.Misc.RedstoneImplementation.VANILLA) {
// This code is totally redundant to if statements just below the loop.
@@ -361,7 +365,7 @@ public class RedStoneWireBlock extends Block {
// [Space Walker] suppress shape updates and emit those manually to
// bypass the new neighbor update stack.
if (worldIn.setBlock(pos1, state, Block.UPDATE_KNOWN_SHAPE | Block.UPDATE_CLIENTS))
- turbo.updateNeighborShapes(worldIn, pos1, state);
+ this.getTurbo(worldIn).updateNeighborShapes(worldIn, pos1, state); // Folia - region threading
}
}
@@ -410,10 +414,10 @@ public class RedStoneWireBlock extends Block {
}
private int calculateTargetStrength(Level world, BlockPos pos) {
- this.shouldSignal = false;
+ io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData().shouldSignal = false; // Folia - region threading
int i = world.getBestNeighborSignal(pos);
- this.shouldSignal = true;
+ io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData().shouldSignal = true; // Folia - region threading
int j = 0;
if (i < 15) {
@@ -552,12 +556,12 @@ public class RedStoneWireBlock extends Block {
@Override
public int getDirectSignal(BlockState state, BlockGetter world, BlockPos pos, Direction direction) {
- return !this.shouldSignal ? 0 : state.getSignal(world, pos, direction);
+ return !io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData().shouldSignal ? 0 : state.getSignal(world, pos, direction); // Folia - region threading
}
@Override
public int getSignal(BlockState state, BlockGetter world, BlockPos pos, Direction direction) {
- if (this.shouldSignal && direction != Direction.DOWN) {
+ if (io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData().shouldSignal && direction != Direction.DOWN) { // Folia - region threading
int i = (Integer) state.getValue(RedStoneWireBlock.POWER);
return i == 0 ? 0 : (direction != Direction.UP && !((RedstoneSide) this.getConnectionState(world, state, pos).getValue((Property) RedStoneWireBlock.PROPERTY_BY_DIRECTION.get(direction.getOpposite()))).isConnected() ? 0 : i);
@@ -584,7 +588,10 @@ public class RedStoneWireBlock extends Block {
@Override
public boolean isSignalSource(BlockState state) {
- return this.shouldSignal;
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData();
+ return worldData == null || worldData.shouldSignal;
+ // Folia end - region threading
}
public static int getColorForPower(int powerLevel) {
diff --git a/src/main/java/net/minecraft/world/level/block/RedstoneTorchBlock.java b/src/main/java/net/minecraft/world/level/block/RedstoneTorchBlock.java
index 1dbfda52a4423fb031eecad24e5766f49ecf6050..332f606d9a41ab19707f2f11bd43d2880b410180 100644
--- a/src/main/java/net/minecraft/world/level/block/RedstoneTorchBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/RedstoneTorchBlock.java
@@ -81,10 +81,10 @@ public class RedstoneTorchBlock extends BaseTorchBlock {
public void tick(BlockState state, ServerLevel world, BlockPos pos, RandomSource random) {
boolean flag = this.hasNeighborSignal(world, pos, state);
// Paper start - Faster redstone torch rapid clock removal
- java.util.ArrayDeque<RedstoneTorchBlock.Toggle> redstoneUpdateInfos = world.redstoneUpdateInfos;
+ java.util.ArrayDeque<RedstoneTorchBlock.Toggle> redstoneUpdateInfos = world.getCurrentWorldData().redstoneUpdateInfos; // Folia - region threading
if (redstoneUpdateInfos != null) {
RedstoneTorchBlock.Toggle curr;
- while ((curr = redstoneUpdateInfos.peek()) != null && world.getGameTime() - curr.when > 60L) {
+ while ((curr = redstoneUpdateInfos.peek()) != null && world.getRedstoneGameTime() - curr.when > 60L) { // Folia - region threading
redstoneUpdateInfos.poll();
}
}
@@ -165,14 +165,14 @@ public class RedstoneTorchBlock extends BaseTorchBlock {
private static boolean isToggledTooFrequently(Level world, BlockPos pos, boolean addNew) {
// Paper start - Faster redstone torch rapid clock removal
- java.util.ArrayDeque<RedstoneTorchBlock.Toggle> list = world.redstoneUpdateInfos;
+ java.util.ArrayDeque<RedstoneTorchBlock.Toggle> list = world.getCurrentWorldData().redstoneUpdateInfos; // Folia - region threading
if (list == null) {
- list = world.redstoneUpdateInfos = new java.util.ArrayDeque<>();
+ list = world.getCurrentWorldData().redstoneUpdateInfos = new java.util.ArrayDeque<>(); // Folia - region threading
}
// Paper end - Faster redstone torch rapid clock removal
if (addNew) {
- list.add(new RedstoneTorchBlock.Toggle(pos.immutable(), world.getGameTime()));
+ list.add(new RedstoneTorchBlock.Toggle(pos.immutable(), world.getRedstoneGameTime())); // Folia - region threading
}
int i = 0;
@@ -194,12 +194,18 @@ public class RedstoneTorchBlock extends BaseTorchBlock {
public static class Toggle {
- final BlockPos pos;
- final long when;
+ public final BlockPos pos; // Folia - region threading
+ long when; // Folia - region ticking
public Toggle(BlockPos pos, long time) {
this.pos = pos;
this.when = time;
}
+
+ // Folia start - region ticking
+ public void offsetTime(long offset) {
+ this.when += offset;
+ }
+ // Folia end - region ticking
}
}
diff --git a/src/main/java/net/minecraft/world/level/block/SaplingBlock.java b/src/main/java/net/minecraft/world/level/block/SaplingBlock.java
index 3ff0d08e4964aae82d8e51d3b8bf9aa002096f81..d4e86aa35a36ce0ef2cac3567e044b78fa58c87e 100644
--- a/src/main/java/net/minecraft/world/level/block/SaplingBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SaplingBlock.java
@@ -35,7 +35,7 @@ public class SaplingBlock extends BushBlock implements BonemealableBlock {
protected static final float AABB_OFFSET = 6.0F;
protected static final VoxelShape SHAPE = Block.box(2.0D, 0.0D, 2.0D, 14.0D, 12.0D, 14.0D);
protected final TreeGrower treeGrower;
- public static TreeType treeType; // CraftBukkit
+ public static final ThreadLocal<TreeType> treeTypeRT = new ThreadLocal<>(); // CraftBukkit // Folia - region threading
@Override
public MapCodec<? extends SaplingBlock> codec() {
@@ -66,18 +66,19 @@ public class SaplingBlock extends BushBlock implements BonemealableBlock {
world.setBlock(pos, (net.minecraft.world.level.block.state.BlockState) state.cycle(SaplingBlock.STAGE), 4);
} else {
// CraftBukkit start
- if (world.captureTreeGeneration) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
+ if (worldData.captureTreeGeneration) { // Folia - region threading
this.treeGrower.growTree(world, world.getChunkSource().getGenerator(), pos, state, random);
} else {
- world.captureTreeGeneration = true;
+ worldData.captureTreeGeneration = true; // Folia - region threading
this.treeGrower.growTree(world, world.getChunkSource().getGenerator(), pos, state, random);
- world.captureTreeGeneration = false;
- if (world.capturedBlockStates.size() > 0) {
- TreeType treeType = SaplingBlock.treeType;
- SaplingBlock.treeType = null;
+ worldData.captureTreeGeneration = false; // Folia - region threading
+ if (worldData.capturedBlockStates.size() > 0) { // Folia - region threading
+ TreeType treeType = SaplingBlock.treeTypeRT.get(); // Folia - region threading
+ SaplingBlock.treeTypeRT.set(null); // Folia - region threading
Location location = CraftLocation.toBukkit(pos, world.getWorld());
- java.util.List<BlockState> blocks = new java.util.ArrayList<>(world.capturedBlockStates.values());
- world.capturedBlockStates.clear();
+ java.util.List<BlockState> blocks = new java.util.ArrayList<>(worldData.capturedBlockStates.values()); // Folia - region threading
+ worldData.capturedBlockStates.clear(); // Folia - region threading
StructureGrowEvent event = null;
if (treeType != null) {
event = new StructureGrowEvent(location, treeType, false, null, blocks);
diff --git a/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java b/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java
index f3003a3832deff7724d28b4b3a091f4802a4cb29..d628cee1f72ee973bc10a49f2dd65becab85e28c 100644
--- a/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java
@@ -55,7 +55,7 @@ public abstract class SpreadingSnowyDirtBlock extends SnowyDirtBlock {
@Override
public void randomTick(BlockState state, ServerLevel world, BlockPos pos, RandomSource random) {
- if (this instanceof GrassBlock && world.paperConfig().tickRates.grassSpread != 1 && (world.paperConfig().tickRates.grassSpread < 1 || (MinecraftServer.currentTick + pos.hashCode()) % world.paperConfig().tickRates.grassSpread != 0)) { return; } // Paper - Configurable random tick rates for blocks
+ if (this instanceof GrassBlock && world.paperConfig().tickRates.grassSpread != 1 && (world.paperConfig().tickRates.grassSpread < 1 || (io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() + pos.hashCode()) % world.paperConfig().tickRates.grassSpread != 0)) { return; } // Paper - Configurable random tick rates for blocks // Folia - regionised ticking
// Paper start - Perf: optimize dirt and snow spreading
net.minecraft.world.level.chunk.ChunkAccess cachedBlockChunk = world.getChunkIfLoaded(pos);
if (cachedBlockChunk == null) { // Is this needed?
diff --git a/src/main/java/net/minecraft/world/level/block/WitherSkullBlock.java b/src/main/java/net/minecraft/world/level/block/WitherSkullBlock.java
index fb180f0bcd20e51d41cfc924029c0b23d3d26258..3db0727cd8d835e8d1b7b3fab93613d2e97b95ab 100644
--- a/src/main/java/net/minecraft/world/level/block/WitherSkullBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/WitherSkullBlock.java
@@ -58,7 +58,7 @@ public class WitherSkullBlock extends SkullBlock {
}
public static void checkSpawn(Level world, BlockPos pos, SkullBlockEntity blockEntity) {
- if (world.captureBlockStates) return; // CraftBukkit
+ if (world.getCurrentWorldData().captureBlockStates) return; // CraftBukkit // Folia - region threading
if (!world.isClientSide) {
BlockState iblockdata = blockEntity.getBlockState();
boolean flag = iblockdata.is(Blocks.WITHER_SKELETON_SKULL) || iblockdata.is(Blocks.WITHER_SKELETON_WALL_SKULL);
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
index 4b81b0180dfc96fc6a88646838a886ca5b5d301b..d973ac7d15ee087deb6c6c55a5d10beeedcca8e0 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
@@ -211,7 +211,7 @@ public class BeaconBlockEntity extends BlockEntity implements MenuProvider, Name
}
i1 = blockEntity.levels;
- if (world.getGameTime() % 80L == 0L) {
+ if (world.getRedstoneGameTime() % 80L == 0L) { // Folia - region threading
if (!blockEntity.beamSections.isEmpty()) {
blockEntity.levels = BeaconBlockEntity.updateBase(world, i, j, k);
}
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
index 9ea74d37cd951e0dc76d20ed8234b5871035566c..5be70de980d8b475d64dfbb029d11ba30894b880 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
@@ -26,7 +26,7 @@ import co.aikar.timings.MinecraftTimings; // Paper
import co.aikar.timings.Timing; // Paper
public abstract class BlockEntity {
- static boolean ignoreTileUpdates; // Paper - Perf: Optimize Hoppers
+ static final ThreadLocal<Boolean> IGNORE_TILE_UPDATES = ThreadLocal.withInitial(() -> Boolean.FALSE); // Paper - Perf: Optimize Hoppers // Folia - region threading
public Timing tickTimer = MinecraftTimings.getTileEntityTimings(this); // Paper
// CraftBukkit start - data containers
@@ -41,6 +41,12 @@ public abstract class BlockEntity {
protected boolean remove;
private BlockState blockState;
+ // Folia start - region ticking
+ public void updateTicks(final long fromTickOffset, final long fromRedstoneTimeOffset) {
+
+ }
+ // Folia end - region ticking
+
public BlockEntity(BlockEntityType<?> type, BlockPos pos, BlockState state) {
this.type = type;
this.worldPosition = pos.immutable();
@@ -162,7 +168,7 @@ public abstract class BlockEntity {
public void setChanged() {
if (this.level != null) {
- if (ignoreTileUpdates) return; // Paper - Perf: Optimize Hoppers
+ if (IGNORE_TILE_UPDATES.get().booleanValue()) return; // Paper - Perf: Optimize Hoppers // Folia - region threading
BlockEntity.setChanged(this.level, this.worldPosition, this.blockState);
}
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BrewingStandBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BrewingStandBlockEntity.java
index 9bb542ce3a8c52e1688bb1f66fc916dd23a5fd10..23ebbc58f8f7eeb6398d21b3e96772971d02bcac 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BrewingStandBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BrewingStandBlockEntity.java
@@ -56,7 +56,7 @@ public class BrewingStandBlockEntity extends BaseContainerBlockEntity implements
public int fuel;
protected final ContainerData dataAccess;
// CraftBukkit start - add fields and methods
- private int lastTick = MinecraftServer.currentTick;
+ //private int lastTick = MinecraftServer.currentTick; // Folia - region ticking - restore original timers
public List<HumanEntity> transaction = new java.util.ArrayList<HumanEntity>();
private int maxStack = MAX_STACK;
@@ -173,11 +173,10 @@ public class BrewingStandBlockEntity extends BaseContainerBlockEntity implements
ItemStack itemstack1 = (ItemStack) blockEntity.items.get(3);
// CraftBukkit start - Use wall time instead of ticks for brewing
- int elapsedTicks = MinecraftServer.currentTick - blockEntity.lastTick;
- blockEntity.lastTick = MinecraftServer.currentTick;
+ // Folia - region ticking - restore original timers
if (flag1) {
- blockEntity.brewTime -= elapsedTicks;
+ --blockEntity.brewTime; // Folia - region ticking - restore original timers
boolean flag2 = blockEntity.brewTime <= 0; // == -> <=
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/level/block/entity/CommandBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/CommandBlockEntity.java
index f08c77e20462bada221b5ed395ceb2f7d39ee7c0..8422e4fb36342555937002afcb3611d604a60c07 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/CommandBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/CommandBlockEntity.java
@@ -57,6 +57,13 @@ public class CommandBlockEntity extends BlockEntity {
return new CommandSourceStack(this, Vec3.atCenterOf(CommandBlockEntity.this.worldPosition), new Vec2(0.0F, enumdirection.toYRot()), this.getLevel(), this.getLevel().paperConfig().commandBlocks.permissionsLevel, this.getName().getString(), this.getName(), this.getLevel().getServer(), (Entity) null); // Paper - configurable command block perm level
}
+ // Folia start
+ @Override
+ public void threadCheck() {
+ io.papermc.paper.util.TickThread.ensureTickThread((ServerLevel) CommandBlockEntity.this.level, CommandBlockEntity.this.worldPosition, "Asynchronous sendSystemMessage to a command block");
+ }
+ // Folia end
+
@Override
public boolean isValid() {
return !CommandBlockEntity.this.isRemoved();
diff --git a/src/main/java/net/minecraft/world/level/block/entity/ConduitBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/ConduitBlockEntity.java
index 37e0b762b86e74f607a4541ecb7b24ad7a591d0e..4ddc3b3dc704610bf1fb7082e1c89a284c245fce 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/ConduitBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/ConduitBlockEntity.java
@@ -83,7 +83,7 @@ public class ConduitBlockEntity extends BlockEntity {
public static void clientTick(Level world, BlockPos pos, BlockState state, ConduitBlockEntity blockEntity) {
++blockEntity.tickCount;
- long i = world.getGameTime();
+ long i = world.getRedstoneGameTime(); // Folia - region threading
List<BlockPos> list = blockEntity.effectBlocks;
if (i % 40L == 0L) {
@@ -101,7 +101,7 @@ public class ConduitBlockEntity extends BlockEntity {
public static void serverTick(Level world, BlockPos pos, BlockState state, ConduitBlockEntity blockEntity) {
++blockEntity.tickCount;
- long i = world.getGameTime();
+ long i = world.getRedstoneGameTime(); // Folia - region threading
List<BlockPos> list = blockEntity.effectBlocks;
if (i % 40L == 0L) {
diff --git a/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
index cdb739df2a285032d25d84f4464f202a7a3fa578..c1d835555fe57745c3d9e416044bd049a537eecf 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
@@ -82,6 +82,14 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
}
// CraftBukkit end
+ // Folia start - region threading
+ @Override
+ public void updateTicks(final long fromTickOffset, final long fromRedstoneTimeOffset) {
+ super.updateTicks(fromTickOffset, fromRedstoneTimeOffset);
+ this.tickedGameTime += fromRedstoneTimeOffset;
+ }
+ // Folia end - region threading
+
public HopperBlockEntity(BlockPos pos, BlockState state) {
super(BlockEntityType.HOPPER, pos, state);
this.items = NonNullList.withSize(5, ItemStack.EMPTY);
@@ -137,7 +145,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
public static void pushItemsTick(Level world, BlockPos pos, BlockState state, HopperBlockEntity blockEntity) {
--blockEntity.cooldownTime;
- blockEntity.tickedGameTime = world.getGameTime();
+ blockEntity.tickedGameTime = world.getRedstoneGameTime(); // Folia - region threading
if (!blockEntity.isOnCooldown()) {
blockEntity.setCooldown(0);
// Spigot start
@@ -234,12 +242,11 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
}
// Paper start - Perf: Optimize Hoppers
- private static boolean skipPullModeEventFire;
- private static boolean skipPushModeEventFire;
- public static boolean skipHopperEvents;
+ // Folia - region threading - moved to RegionizedWorldData
private static boolean hopperPush(final Level level, final Container destination, final Direction direction, final HopperBlockEntity hopper) {
- skipPushModeEventFire = skipHopperEvents;
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = level.getCurrentWorldData(); // Folia - region threading
+ worldData.skipPushModeEventFire = worldData.skipHopperEvents; // Folia - region threading
boolean foundItem = false;
for (int i = 0; i < hopper.getContainerSize(); ++i) {
final ItemStack item = hopper.getItem(i);
@@ -254,7 +261,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
// We only need to fire the event once to give protection plugins a chance to cancel this event
// Because nothing uses getItem, every event call should end up the same result.
- if (!skipPushModeEventFire) {
+ if (!worldData.skipPushModeEventFire) { // Folia - region threading
movedItem = callPushMoveEvent(destination, movedItem, hopper);
if (movedItem == null) { // cancelled
origItemStack.setCount(originalItemCount);
@@ -284,13 +291,14 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
}
private static boolean hopperPull(final Level level, final Hopper hopper, final Container container, ItemStack origItemStack, final int i) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = level.getCurrentWorldData(); // Folia - region threading
ItemStack movedItem = origItemStack;
final int originalItemCount = origItemStack.getCount();
final int movedItemCount = Math.min(level.spigotConfig.hopperAmount, originalItemCount);
container.setChanged(); // original logic always marks source inv as changed even if no move happens.
movedItem.setCount(movedItemCount);
- if (!skipPullModeEventFire) {
+ if (!worldData.skipPullModeEventFire) { // Folia - region threading
movedItem = callPullMoveEvent(hopper, container, movedItem);
if (movedItem == null) { // cancelled
origItemStack.setCount(originalItemCount);
@@ -310,9 +318,9 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
origItemStack.setCount(originalItemCount - movedItemCount + remainingItemCount);
}
- ignoreTileUpdates = true;
+ IGNORE_TILE_UPDATES.set(true); // Folia - region threading
container.setItem(i, origItemStack);
- ignoreTileUpdates = false;
+ IGNORE_TILE_UPDATES.set(false); // Folia - region threading
container.setChanged();
return true;
}
@@ -327,12 +335,13 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
@Nullable
private static ItemStack callPushMoveEvent(Container iinventory, ItemStack itemstack, HopperBlockEntity hopper) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData(); // Folia - region threading
final Inventory destinationInventory = getInventory(iinventory);
final io.papermc.paper.event.inventory.PaperInventoryMoveItemEvent event = new io.papermc.paper.event.inventory.PaperInventoryMoveItemEvent(hopper.getOwner(false).getInventory(),
CraftItemStack.asCraftMirror(itemstack), destinationInventory, true);
final boolean result = event.callEvent();
if (!event.calledGetItem && !event.calledSetItem) {
- skipPushModeEventFire = true;
+ worldData.skipPushModeEventFire = true; // Folia - region threading
}
if (!result) {
cooldownHopper(hopper);
@@ -348,6 +357,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
@Nullable
private static ItemStack callPullMoveEvent(final Hopper hopper, final Container container, final ItemStack itemstack) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData(); // Folia - region threading
final Inventory sourceInventory = getInventory(container);
final Inventory destination = getInventory(hopper);
@@ -355,7 +365,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
final io.papermc.paper.event.inventory.PaperInventoryMoveItemEvent event = new io.papermc.paper.event.inventory.PaperInventoryMoveItemEvent(sourceInventory, CraftItemStack.asCraftMirror(itemstack), destination, false);
final boolean result = event.callEvent();
if (!event.calledGetItem && !event.calledSetItem) {
- skipPullModeEventFire = true;
+ worldData.skipPullModeEventFire = true; // Folia - region threading
}
if (!result) {
cooldownHopper(hopper);
@@ -518,13 +528,14 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
}
public static boolean suckInItems(Level world, Hopper hopper) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData(); // Folia - region threading
Container iinventory = HopperBlockEntity.getSourceContainer(world, hopper);
if (iinventory != null) {
Direction enumdirection = Direction.DOWN;
// Paper start - Perf: Optimize Hoppers
- skipPullModeEventFire = skipHopperEvents;
+ worldData.skipPullModeEventFire = worldData.skipHopperEvents; // Folia - region threading
// merge container isEmpty check and move logic into one loop
if (iinventory instanceof WorldlyContainer worldlyContainer) {
for (final int slot : worldlyContainer.getSlotsForFace(enumdirection)) {
@@ -724,9 +735,9 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
stack = stack.split(to.getMaxStackSize());
}
// Spigot end
- ignoreTileUpdates = true; // Paper - Perf: Optimize Hoppers
+ IGNORE_TILE_UPDATES.set(Boolean.TRUE); // Paper - Perf: Optimize Hoppers // Folia - region threading
to.setItem(slot, stack);
- ignoreTileUpdates = false; // Paper - Perf: Optimize Hoppers
+ IGNORE_TILE_UPDATES.set(Boolean.FALSE); // Paper - Perf: Optimize Hoppers // Folia - region threading
stack = leftover; // Paper - Make hoppers respect inventory max stack size
flag = true;
} else if (HopperBlockEntity.canMergeItems(itemstack1, stack)) {
diff --git a/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
index 83481539e058e5f428d9951e409fed62ef159e5c..48260dce982181e2ee4e92614f8ed3af4bf83af0 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/SculkCatalystBlockEntity.java
@@ -43,9 +43,9 @@ public class SculkCatalystBlockEntity extends BlockEntity implements GameEventLi
// Paper end - Fix NPE in SculkBloomEvent world access
public static void serverTick(Level world, BlockPos pos, BlockState state, SculkCatalystBlockEntity blockEntity) {
- org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverride = blockEntity.getBlockPos(); // CraftBukkit - SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPosition up to five methods deep.
+ org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverrideRT.set(blockEntity.getBlockPos()); // CraftBukkit - SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPosition up to five methods deep. // Folia - region threading
blockEntity.catalystListener.getSculkSpreader().updateCursors(world, pos, world.getRandom(), true);
- org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverride = null; // CraftBukkit
+ org.bukkit.craftbukkit.event.CraftEventFactory.sourceBlockOverrideRT.set(null); // CraftBukkit // Folia - region threading
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
index 098fde8200a11f91f934ddab6b1486dac4014dfe..412fa8a03be7215fa2695f07ac4f2334d1e70903 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
@@ -51,9 +51,12 @@ public class TheEndGatewayBlockEntity extends TheEndPortalBlockEntity {
public long age;
private int teleportCooldown;
@Nullable
- public BlockPos exitPortal;
+ public volatile BlockPos exitPortal; // Folia - region threading - volatile
public boolean exactTeleport;
+ private static final java.util.concurrent.atomic.AtomicLong SEARCHING_FOR_EXIT_ID_GENERATOR = new java.util.concurrent.atomic.AtomicLong(); // Folia - region threading
+ private Long searchingForExitId; // Folia - region threading
+
public TheEndGatewayBlockEntity(BlockPos pos, BlockState state) {
super(BlockEntityType.END_GATEWAY, pos, state);
}
@@ -121,7 +124,7 @@ public class TheEndGatewayBlockEntity extends TheEndPortalBlockEntity {
}
public static boolean canEntityTeleport(Entity entity) {
- return EntitySelector.NO_SPECTATORS.test(entity) && !entity.getRootVehicle().isOnPortalCooldown();
+ return EntitySelector.NO_SPECTATORS.test(entity) && !entity.getRootVehicle().isOnPortalCooldown() && entity.canPortalAsync(true); // Folia - region threading - correct portal check
}
public boolean isSpawning() {
@@ -169,8 +172,136 @@ public class TheEndGatewayBlockEntity extends TheEndPortalBlockEntity {
}
}
+ // Folia start - region threading
+ private void trySearchForExit(ServerLevel world, BlockPos fromPos) {
+ if (this.searchingForExitId != null) {
+ return;
+ }
+ this.searchingForExitId = Long.valueOf(SEARCHING_FOR_EXIT_ID_GENERATOR.getAndIncrement());
+ int chunkX = fromPos.getX() >> 4;
+ int chunkZ = fromPos.getZ() >> 4;
+ world.chunkTaskScheduler.chunkHolderManager.addTicketAtLevel(
+ net.minecraft.server.level.TicketType.END_GATEWAY_EXIT_SEARCH,
+ chunkX, chunkZ,
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.BLOCK_TICKING_TICKET_LEVEL,
+ this.searchingForExitId
+ );
+
+ ca.spottedleaf.concurrentutil.completable.Completable<BlockPos> complete = new ca.spottedleaf.concurrentutil.completable.Completable<>();
+
+ complete.addWaiter((tpLoc, throwable) -> {
+ // create the exit portal
+ TheEndGatewayBlockEntity.LOGGER.debug("Creating portal at {}", tpLoc);
+ TheEndGatewayBlockEntity.spawnGatewayPortal(world, tpLoc, EndGatewayConfiguration.knownExit(fromPos, false));
+
+ // need to go onto the tick thread to avoid saving issues
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ world, chunkX, chunkZ,
+ () -> {
+ // update the exit portal location
+ TheEndGatewayBlockEntity.this.exitPortal = tpLoc;
+
+ // remove ticket keeping the gateway loaded
+ world.chunkTaskScheduler.chunkHolderManager.removeTicketAtLevel(
+ net.minecraft.server.level.TicketType.END_GATEWAY_EXIT_SEARCH,
+ chunkX, chunkZ,
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.BLOCK_TICKING_TICKET_LEVEL,
+ this.searchingForExitId
+ );
+ TheEndGatewayBlockEntity.this.searchingForExitId = null;
+ }
+ );
+ });
+
+ findOrCreateValidTeleportPosRegionThreading(world, fromPos, complete);
+ }
+
+ private static void teleportRegionThreading(Level world, BlockPos pos, BlockState state, Entity entity, TheEndGatewayBlockEntity blockEntity) {
+ // can we even teleport in this dimension?
+ if (blockEntity.exitPortal == null && world.getTypeKey() != LevelStem.END) {
+ return;
+ }
+
+ ServerLevel serverWorld = (ServerLevel)world;
+
+ // First, find the position we are trying to teleport to
+ BlockPos teleportPos = blockEntity.exitPortal;
+ boolean isExactTeleport = blockEntity.exactTeleport;
+
+ if (teleportPos == null) {
+ blockEntity.trySearchForExit(serverWorld, pos);
+ return;
+ }
+
+ Entity chosenEntity;
+ if (entity instanceof ThrownEnderpearl pearl) {
+ Entity owner = pearl.getOwner();
+
+ if (owner instanceof ServerPlayer player) {
+ CriteriaTriggers.ENTER_BLOCK.trigger(player, state);
+ }
+
+ if (owner != null) {
+ // vanilla behavior is to just break if the owner is riding anything
+ // it's not likely intentional that throwing a pearl while riding something is intended
+ // to teleport the vehicle, rather just the owner given the lack of getRootVehicle
+ owner.unRide();
+ chosenEntity = owner;
+ pearl.discard(EntityRemoveEvent.Cause.HIT);
+ } else {
+ // see above for unRide()
+ pearl.unRide();
+ chosenEntity = pearl;
+ }
+ } else {
+ chosenEntity = entity.getRootVehicle();
+ }
+
+ // This needs to be first, as we are only guaranteed to be on the corresponding region tick thread here
+ TheEndGatewayBlockEntity.triggerCooldown(world, pos, state, blockEntity);
+
+ if (isExactTeleport) {
+ // blind teleport
+ chosenEntity.teleportAsync(
+ serverWorld, Vec3.atCenterOf(teleportPos), null, null, null,
+ PlayerTeleportEvent.TeleportCause.END_GATEWAY, Entity.TELEPORT_FLAG_LOAD_CHUNK | Entity.TELEPORT_FLAG_TELEPORT_PASSENGERS,
+ (Entity teleportedEntity) -> {
+ for (Entity passenger : teleportedEntity.getSelfAndPassengers().toList()) {
+ passenger.setPortalCooldown();
+ }
+ }
+ );
+ } else {
+ // we could hack around by first loading the chunks, then calling back to here and checking if the entity
+ // should be teleported, something something else...
+ // however, we know the target location cannot differ by one region section: so we can
+ // just teleport and adjust the position after
+ chosenEntity.teleportAsync(
+ serverWorld, Vec3.atCenterOf(teleportPos), null, null, null,
+ PlayerTeleportEvent.TeleportCause.END_GATEWAY, Entity.TELEPORT_FLAG_LOAD_CHUNK | Entity.TELEPORT_FLAG_TELEPORT_PASSENGERS,
+ (Entity teleportedEntity) -> {
+ for (Entity passenger : teleportedEntity.getSelfAndPassengers().toList()) {
+ passenger.setPortalCooldown();
+ }
+
+ // adjust to the final exit position
+ Vec3 adjusted = Vec3.atCenterOf(TheEndGatewayBlockEntity.findExitPosition(serverWorld, teleportPos));
+ // teleportTo will adjust rider positions
+ teleportedEntity.teleportTo(adjusted.x, adjusted.y, adjusted.z);
+ }
+ );
+ }
+ }
+ // Folia end - region threading
+
public static void teleportEntity(Level world, BlockPos pos, BlockState state, Entity entity, TheEndGatewayBlockEntity blockEntity) {
if (world instanceof ServerLevel && !blockEntity.isCoolingDown()) {
+ // Folia start - region threading
+ if (true) {
+ teleportRegionThreading(world, pos, state, entity, blockEntity);
+ return;
+ }
+ // Folia end - region threading
ServerLevel worldserver = (ServerLevel) world;
blockEntity.teleportCooldown = 100;
@@ -275,6 +406,129 @@ public class TheEndGatewayBlockEntity extends TheEndPortalBlockEntity {
return TheEndGatewayBlockEntity.findTallestBlock(world, blockposition1, 16, true);
}
+ // Folia start - region threading
+ private static void findOrCreateValidTeleportPosRegionThreading(ServerLevel world, BlockPos pos,
+ ca.spottedleaf.concurrentutil.completable.Completable<BlockPos> complete) {
+ ca.spottedleaf.concurrentutil.completable.Completable<Vec3> tentativeSelection = new ca.spottedleaf.concurrentutil.completable.Completable<>();
+
+ tentativeSelection.addWaiter((vec3d, throwable) -> {
+ LevelChunk chunk = TheEndGatewayBlockEntity.getChunk(world, vec3d);
+ BlockPos blockposition1 = TheEndGatewayBlockEntity.findValidSpawnInChunk(chunk);
+ if (blockposition1 == null) {
+ BlockPos blockposition2 = new BlockPos(
+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(vec3d.x + 0.5D),
+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(75.0D),
+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(vec3d.z + 0.5D)
+ );
+
+ TheEndGatewayBlockEntity.LOGGER.debug("Failed to find a suitable block to teleport to, spawning an island on {}", blockposition2);
+ world.registryAccess().registry(Registries.CONFIGURED_FEATURE).flatMap((iregistry) -> {
+ return iregistry.getHolder(EndFeatures.END_ISLAND);
+ }).ifPresent((holder_c) -> {
+ ((ConfiguredFeature) holder_c.value()).place(world, world.getChunkSource().getGenerator(), RandomSource.create(blockposition2.asLong()), blockposition2);
+ });
+ blockposition1 = blockposition2;
+ } else {
+ TheEndGatewayBlockEntity.LOGGER.debug("Found suitable block to teleport to: {}", blockposition1);
+ }
+
+ // Here, there is no guarantee the chunks in 1 radius are in this region due to the fact that we just chained
+ // possibly 16x chunk loads along an axis (findExitPortalXZPosTentativeRegionThreading) using the chunk queue
+ // (regioniser only guarantees at least 8 chunks along a single axis)
+ // so, we need to schedule for the next tick
+ int posX = blockposition1.getX();
+ int posZ = blockposition1.getZ();
+ int radius = 16;
+
+ BlockPos finalBlockPosition1 = blockposition1;
+ world.loadChunksAsync(blockposition1, radius,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL,
+ (List<net.minecraft.world.level.chunk.ChunkAccess> chunks) -> {
+ // make sure chunks are kept loaded
+ for (net.minecraft.world.level.chunk.ChunkAccess access : chunks) {
+ world.chunkSource.addTicketAtLevel(
+ net.minecraft.server.level.TicketType.DELAYED, access.getPos(),
+ io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.FULL_LOADED_TICKET_LEVEL,
+ net.minecraft.util.Unit.INSTANCE
+ );
+ }
+ // now after the chunks are loaded, we can delay by one tick
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(
+ world, posX >> 4, posZ >> 4, () -> {
+ // find final location
+ BlockPos tpLoc = TheEndGatewayBlockEntity.findTallestBlock(world, finalBlockPosition1, radius, true);
+
+ // done
+ complete.complete(tpLoc.above(10));
+ }
+ );
+ }
+ );
+ });
+
+ // fire off chain
+ findExitPortalXZPosTentativeRegionThreading(world, pos, tentativeSelection);
+ }
+
+ private static void findExitPortalXZPosTentativeRegionThreading(ServerLevel world, BlockPos pos,
+ ca.spottedleaf.concurrentutil.completable.Completable<Vec3> complete) {
+ Vec3 posDirFromOrigin = new Vec3(pos.getX(), 0.0D, pos.getZ()).normalize();
+ Vec3 posDirExtruded = posDirFromOrigin.scale(1024.0D);
+
+ class Vars {
+ int i = 16;
+ boolean mode = false;
+ Vec3 currPos = posDirExtruded;
+ }
+ Vars vars = new Vars();
+
+ Runnable handle = new Runnable() {
+ @Override
+ public void run() {
+ if (vars.mode != TheEndGatewayBlockEntity.isChunkEmpty(world, vars.currPos)) {
+ vars.i = 0; // fall back to completing
+ }
+
+ // try to load next chunk
+ if (vars.i-- <= 0) {
+ if (vars.mode) {
+ complete.complete(vars.currPos);
+ return;
+ }
+ vars.mode = true;
+ vars.i = 16;
+ }
+
+ vars.currPos = vars.currPos.add(posDirFromOrigin.scale(vars.mode ? 16.0 : -16.0));
+ // schedule next iteration
+ Runnable handleButInitialised = this;
+ world.chunkTaskScheduler.scheduleChunkLoad(
+ io.papermc.paper.util.CoordinateUtils.getChunkX(vars.currPos),
+ io.papermc.paper.util.CoordinateUtils.getChunkZ(vars.currPos),
+ net.minecraft.world.level.chunk.ChunkStatus.FULL,
+ true,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL,
+ (chunk) -> {
+ handleButInitialised.run();
+ }
+ );
+ }
+ };
+
+ // kick off first chunk load
+ world.chunkTaskScheduler.scheduleChunkLoad(
+ io.papermc.paper.util.CoordinateUtils.getChunkX(posDirExtruded),
+ io.papermc.paper.util.CoordinateUtils.getChunkZ(posDirExtruded),
+ net.minecraft.world.level.chunk.ChunkStatus.FULL,
+ true,
+ ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL,
+ (chunk) -> {
+ handle.run();
+ }
+ );
+ }
+ // Folia end - region threading
+
private static Vec3 findExitPortalXZPosTentative(ServerLevel world, BlockPos pos) {
Vec3 vec3d = (new Vec3((double) pos.getX(), 0.0D, (double) pos.getZ())).normalize();
boolean flag = true;
diff --git a/src/main/java/net/minecraft/world/level/block/entity/TickingBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/TickingBlockEntity.java
index 28e3b73507b988f7234cbf29c4024c88180d0aef..c8facee29ee08e0975528083f89b64f0b593957f 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/TickingBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/TickingBlockEntity.java
@@ -10,4 +10,6 @@ public interface TickingBlockEntity {
BlockPos getPos();
String getType();
+
+ BlockEntity getTileEntity(); // Folia - region threading
}
diff --git a/src/main/java/net/minecraft/world/level/block/grower/TreeGrower.java b/src/main/java/net/minecraft/world/level/block/grower/TreeGrower.java
index 8cb822fed0cda4268f288feae1079a3dc4dc103e..3f53d51960ded5df3b8be12362110f22b3c495b8 100644
--- a/src/main/java/net/minecraft/world/level/block/grower/TreeGrower.java
+++ b/src/main/java/net/minecraft/world/level/block/grower/TreeGrower.java
@@ -175,51 +175,53 @@ public final class TreeGrower {
// CraftBukkit start
private void setTreeType(Holder<ConfiguredFeature<?, ?>> holder) {
ResourceKey<ConfiguredFeature<?, ?>> worldgentreeabstract = holder.unwrapKey().get();
+ TreeType treeType; // Folia - region threading
if (worldgentreeabstract == TreeFeatures.OAK || worldgentreeabstract == TreeFeatures.OAK_BEES_005) {
- SaplingBlock.treeType = TreeType.TREE;
+ treeType = TreeType.TREE; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.HUGE_RED_MUSHROOM) {
- SaplingBlock.treeType = TreeType.RED_MUSHROOM;
+ treeType = TreeType.RED_MUSHROOM; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.HUGE_BROWN_MUSHROOM) {
- SaplingBlock.treeType = TreeType.BROWN_MUSHROOM;
+ treeType = TreeType.BROWN_MUSHROOM; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.JUNGLE_TREE) {
- SaplingBlock.treeType = TreeType.COCOA_TREE;
+ treeType = TreeType.COCOA_TREE; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.JUNGLE_TREE_NO_VINE) {
- SaplingBlock.treeType = TreeType.SMALL_JUNGLE;
+ treeType = TreeType.SMALL_JUNGLE; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.PINE) {
- SaplingBlock.treeType = TreeType.TALL_REDWOOD;
+ treeType = TreeType.TALL_REDWOOD; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.SPRUCE) {
- SaplingBlock.treeType = TreeType.REDWOOD;
+ treeType = TreeType.REDWOOD; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.ACACIA) {
- SaplingBlock.treeType = TreeType.ACACIA;
+ treeType = TreeType.ACACIA; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.BIRCH || worldgentreeabstract == TreeFeatures.BIRCH_BEES_005) {
- SaplingBlock.treeType = TreeType.BIRCH;
+ treeType = TreeType.BIRCH; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.SUPER_BIRCH_BEES_0002) {
- SaplingBlock.treeType = TreeType.TALL_BIRCH;
+ treeType = TreeType.TALL_BIRCH; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.SWAMP_OAK) {
- SaplingBlock.treeType = TreeType.SWAMP;
+ treeType = TreeType.SWAMP; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.FANCY_OAK || worldgentreeabstract == TreeFeatures.FANCY_OAK_BEES_005) {
- SaplingBlock.treeType = TreeType.BIG_TREE;
+ treeType = TreeType.BIG_TREE; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.JUNGLE_BUSH) {
- SaplingBlock.treeType = TreeType.JUNGLE_BUSH;
+ treeType = TreeType.JUNGLE_BUSH; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.DARK_OAK) {
- SaplingBlock.treeType = TreeType.DARK_OAK;
+ treeType = TreeType.DARK_OAK; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.MEGA_SPRUCE) {
- SaplingBlock.treeType = TreeType.MEGA_REDWOOD;
+ treeType = TreeType.MEGA_REDWOOD; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.MEGA_PINE) {
- SaplingBlock.treeType = TreeType.MEGA_REDWOOD;
+ treeType = TreeType.MEGA_REDWOOD; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.MEGA_JUNGLE_TREE) {
- SaplingBlock.treeType = TreeType.JUNGLE;
+ treeType = TreeType.JUNGLE; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.AZALEA_TREE) {
- SaplingBlock.treeType = TreeType.AZALEA;
+ treeType = TreeType.AZALEA; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.MANGROVE) {
- SaplingBlock.treeType = TreeType.MANGROVE;
+ treeType = TreeType.MANGROVE; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.TALL_MANGROVE) {
- SaplingBlock.treeType = TreeType.TALL_MANGROVE;
+ treeType = TreeType.TALL_MANGROVE; // Folia - region threading
} else if (worldgentreeabstract == TreeFeatures.CHERRY || worldgentreeabstract == TreeFeatures.CHERRY_BEES_005) {
- SaplingBlock.treeType = TreeType.CHERRY;
+ treeType = TreeType.CHERRY; // Folia - region threading
} else {
throw new IllegalArgumentException("Unknown tree generator " + worldgentreeabstract);
}
+ SaplingBlock.treeTypeRT.set(treeType); // Folia - region threading
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java b/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java
index c71690dbc3dc52803945f1608f0ee3ba94146354..1c23597f172f46eec714b510acfedb415bb01bff 100644
--- a/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java
@@ -144,8 +144,8 @@ public class PistonMovingBlockEntity extends BlockEntity {
entity.setDeltaMovement(e, g, h);
// Paper - EAR items stuck in in slime pushed by a piston
- entity.activatedTick = Math.max(entity.activatedTick, net.minecraft.server.MinecraftServer.currentTick + 10);
- entity.activatedImmunityTick = Math.max(entity.activatedImmunityTick, net.minecraft.server.MinecraftServer.currentTick + 10);
+ entity.activatedTick = Math.max(entity.activatedTick, io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() + 10); // Folia - region threading
+ entity.activatedImmunityTick = Math.max(entity.activatedImmunityTick, io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() + 10); // Folia - region threading
// Paper end
break;
}
diff --git a/src/main/java/net/minecraft/world/level/border/WorldBorder.java b/src/main/java/net/minecraft/world/level/border/WorldBorder.java
index 350aabd20329f429248c84d73ab8b5eb145943a7..bdb864f5e7a1bacde88be632442c9de000ce7729 100644
--- a/src/main/java/net/minecraft/world/level/border/WorldBorder.java
+++ b/src/main/java/net/minecraft/world/level/border/WorldBorder.java
@@ -33,19 +33,19 @@ public class WorldBorder {
public WorldBorder() {}
+ // Folia - region threading - TODO make this shit thread-safe
+
public boolean isWithinBounds(BlockPos pos) {
return (double) (pos.getX() + 1) > this.getMinX() && (double) pos.getX() < this.getMaxX() && (double) (pos.getZ() + 1) > this.getMinZ() && (double) pos.getZ() < this.getMaxZ();
}
// Paper start - Bound treasure maps to world border
- private final BlockPos.MutableBlockPos mutPos = new BlockPos.MutableBlockPos();
+ private static final ThreadLocal<BlockPos.MutableBlockPos> mutPos = ThreadLocal.withInitial(() -> new BlockPos.MutableBlockPos()); // Folia - region threading
public boolean isBlockInBounds(int chunkX, int chunkZ) {
- this.mutPos.set(chunkX, 64, chunkZ);
- return this.isWithinBounds(this.mutPos);
+ return this.isWithinBounds(mutPos.get().set(chunkX, 64, chunkZ)); // Folia - region threading
}
public boolean isChunkInBounds(int chunkX, int chunkZ) {
- this.mutPos.set(((chunkX << 4) + 15), 64, (chunkZ << 4) + 15);
- return this.isWithinBounds(this.mutPos);
+ return this.isWithinBounds(mutPos.get().set(((chunkX << 4) + 15), 64, (chunkZ << 4) + 15)); // Folia - region threading
}
// Paper end - Bound treasure maps to world border
diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
index b8b78494449c0cd638f9706a803dc54e184d981f..b31f1e0522ff18fa5853af6104d46f980b916285 100644
--- a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
@@ -320,7 +320,7 @@ public abstract class ChunkGenerator {
}
private static boolean tryAddReference(StructureManager structureAccessor, StructureStart start) {
- if (start.canBeReferenced()) {
+ if (start.tryReference()) { // Folia - region threading
structureAccessor.addReference(start);
return true;
} else {
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
index 6ec3fc801453fd54c25b642e6fa71c19b463311d..852fef18497435827a03e0056a09e5deb2525ed9 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -59,6 +59,13 @@ public class LevelChunk extends ChunkAccess {
@Override
public void tick() {}
+ // Folia start - region threading
+ @Override
+ public BlockEntity getTileEntity() {
+ return null;
+ }
+ // Folia end - region threading
+
@Override
public boolean isRemoved() {
return true;
@@ -412,6 +419,7 @@ public class LevelChunk extends ChunkAccess {
@Nullable
public BlockState setBlockState(BlockPos blockposition, BlockState iblockdata, boolean flag, boolean doPlace) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this.level, blockposition, "Updating block asynchronously"); // Folia - region threading
// CraftBukkit end
int i = blockposition.getY();
LevelChunkSection chunksection = this.getSection(this.getSectionIndex(i));
@@ -462,7 +470,7 @@ public class LevelChunk extends ChunkAccess {
return null;
} else {
// CraftBukkit - Don't place while processing the BlockPlaceEvent, unless it's a BlockContainer. Prevents blocks such as TNT from activating when cancelled.
- if (!this.level.isClientSide && doPlace && (!this.level.captureBlockStates || block instanceof net.minecraft.world.level.block.BaseEntityBlock)) {
+ if (!this.level.isClientSide && doPlace && (!this.level.getCurrentWorldData().captureBlockStates || block instanceof net.minecraft.world.level.block.BaseEntityBlock)) { // Folia - region threading
iblockdata.onPlace(this.level, blockposition, iblockdata1, flag);
}
@@ -508,7 +516,7 @@ public class LevelChunk extends ChunkAccess {
@Nullable
public BlockEntity getBlockEntity(BlockPos pos, LevelChunk.EntityCreationType creationType) {
// CraftBukkit start
- BlockEntity tileentity = this.level.capturedTileEntities.get(pos);
+ BlockEntity tileentity = this.level.getCurrentWorldData().capturedTileEntities.get(pos); // Folia - region threading
if (tileentity == null) {
tileentity = (BlockEntity) this.blockEntities.get(pos);
}
@@ -795,13 +803,13 @@ public class LevelChunk extends ChunkAccess {
org.bukkit.World world = this.level.getWorld();
if (world != null) {
- this.level.populating = true;
+ this.level.getCurrentWorldData().populating = true; // Folia - region threading
try {
for (org.bukkit.generator.BlockPopulator populator : world.getPopulators()) {
populator.populate(world, random, bukkitChunk);
}
} finally {
- this.level.populating = false;
+ this.level.getCurrentWorldData().populating = false; // Folia - region threading
}
}
server.getPluginManager().callEvent(new org.bukkit.event.world.ChunkPopulateEvent(bukkitChunk));
@@ -851,7 +859,7 @@ public class LevelChunk extends ChunkAccess {
@Override
public boolean isUnsaved() {
// Paper start - add dirty system to tick lists
- long gameTime = this.level.getLevelData().getGameTime();
+ long gameTime = this.level.getRedstoneGameTime(); // Folia - region threading
if (this.blockTicks.isDirty(gameTime) || this.fluidTicks.isDirty(gameTime)) {
return true;
}
@@ -1117,6 +1125,13 @@ public class LevelChunk extends ChunkAccess {
this.ticker = wrapped;
}
+ // Folia start - region threading
+ @Override
+ public BlockEntity getTileEntity() {
+ return this.ticker == null ? null : this.ticker.getTileEntity();
+ }
+ // Folia end - region threading
+
@Override
public void tick() {
this.ticker.tick();
@@ -1153,6 +1168,13 @@ public class LevelChunk extends ChunkAccess {
this.ticker = blockentityticker;
}
+ // Folia start - region threading
+ @Override
+ public BlockEntity getTileEntity() {
+ return this.blockEntity;
+ }
+ // Folia end - region threading
+
@Override
public void tick() {
if (!this.blockEntity.isRemoved() && this.blockEntity.hasLevel()) {
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
index d53c4f3d47a8728d56fbd9b5e12be51885560d52..ecffd7fb1c7686479bd04ae9e391b69f3499a45d 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
@@ -644,7 +644,7 @@ public class ChunkSerializer {
}
private static void saveTicks(ServerLevel world, CompoundTag nbt, ChunkAccess.TicksToSave tickSchedulers) {
- long i = world.getLevelData().getGameTime();
+ long i = world.getRedstoneGameTime(); // Folia - region threading
nbt.put("block_ticks", tickSchedulers.blocks().save(i, (block) -> {
return BuiltInRegistries.BLOCK.getKey(block).toString();
diff --git a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
index d4f903c402765c6e8e1db99e148613748f530726..9568ec33e2b0efdb536930edb44d46e082b86152 100644
--- a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
+++ b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
@@ -76,7 +76,7 @@ public class EndDragonFight {
private static final Component DEFAULT_BOSS_EVENT_NAME = Component.translatable("entity.minecraft.ender_dragon"); // Paper - ensure reset EnderDragon boss event name
public final ServerBossEvent dragonEvent;
public final ServerLevel level;
- private final BlockPos origin;
+ public final BlockPos origin; // Folia - region threading
public final ObjectArrayList<Integer> gateways;
private final BlockPattern exitPortalPattern;
private int ticksSinceDragonSeen;
@@ -152,7 +152,7 @@ public class EndDragonFight {
if (!this.dragonEvent.getPlayers().isEmpty()) {
this.level.getChunkSource().addRegionTicket(TicketType.DRAGON, new ChunkPos(0, 0), 9, Unit.INSTANCE);
- boolean flag = this.isArenaLoaded();
+ boolean flag = this.isArenaLoaded(); if (!flag) { return; } // Folia - region threading - don't tick if we don't own the entire region
if (this.needsStateScanning && flag) {
this.scanState();
@@ -201,6 +201,12 @@ public class EndDragonFight {
}
List<? extends EnderDragon> list = this.level.getDragons();
+ // Folia start - region threading
+ // we do not want to deal with any dragons NOT nearby
+ list.removeIf((dragon) -> {
+ return !io.papermc.paper.util.TickThread.isTickThreadFor(dragon);
+ });
+ // Folia end - region threading
if (list.isEmpty()) {
this.dragonKilled = true;
@@ -347,9 +353,8 @@ public class EndDragonFight {
for (int i = -8 + chunkcoordintpair.x; i <= 8 + chunkcoordintpair.x; ++i) {
for (int j = 8 + chunkcoordintpair.z; j <= 8 + chunkcoordintpair.z; ++j) {
- ChunkAccess ichunkaccess = this.level.getChunk(i, j, ChunkStatus.FULL, false);
-
- if (!(ichunkaccess instanceof LevelChunk)) {
+ ChunkAccess ichunkaccess = this.level.getChunkIfLoaded(i, j); // Folia - region threading
+ if (!(ichunkaccess instanceof LevelChunk) || !io.papermc.paper.util.TickThread.isTickThreadFor(this.level, i, j, this.level.regioniser.regionSectionChunkSize)) { // Folia - region threading
return false;
}
@@ -536,6 +541,11 @@ public class EndDragonFight {
}
public void onCrystalDestroyed(EndCrystal enderCrystal, DamageSource source) {
+ // Folia start - region threading
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(this.level, this.origin)) {
+ return;
+ }
+ // Folia end - region threading
if (this.respawnStage != null && this.respawnCrystals.contains(enderCrystal)) {
EndDragonFight.LOGGER.debug("Aborting respawn sequence");
this.respawnStage = null;
@@ -564,7 +574,7 @@ public class EndDragonFight {
public boolean tryRespawn(@Nullable BlockPos placedEndCrystalPos) { // placedEndCrystalPos is null if the tryRespawn() call was not caused by a placed end crystal
// Paper end - Perf: Do crystal-portal proximity check before entity lookup
- if (this.dragonKilled && this.respawnStage == null) {
+ if (this.dragonKilled && this.respawnStage == null && io.papermc.paper.util.TickThread.isTickThreadFor(this.level, this.origin)) { // Folia - region threading
BlockPos blockposition = this.portalLocation;
if (blockposition == null) {
diff --git a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
index 1c4dafdfb3898b5efe06d66792b1b0841ec5724d..8115eb2b632f6aa8d624bddc83c23e281727407f 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
@@ -19,7 +19,7 @@ import net.minecraft.world.level.block.state.BlockState;
public class PatrolSpawner implements CustomSpawner {
- private int nextTick;
+ //private int nextTick; // Folia - region threading
public PatrolSpawner() {}
@@ -32,15 +32,16 @@ public class PatrolSpawner implements CustomSpawner {
return 0;
} else {
RandomSource randomsource = world.random;
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
// Paper start - Pillager patrol spawn settings and per player options
// Random player selection moved up for per player spawning and configuration
- int j = world.players().size();
+ int j = world.getLocalPlayers().size(); // Folia - region threading
if (j < 1) {
return 0;
}
- net.minecraft.server.level.ServerPlayer entityhuman = world.players().get(randomsource.nextInt(j));
+ net.minecraft.server.level.ServerPlayer entityhuman = world.getLocalPlayers().get(randomsource.nextInt(j)); // Folia - region threading
if (entityhuman.isSpectator()) {
return 0;
}
@@ -50,8 +51,8 @@ public class PatrolSpawner implements CustomSpawner {
--entityhuman.patrolSpawnDelay;
patrolSpawnDelay = entityhuman.patrolSpawnDelay;
} else {
- this.nextTick--;
- patrolSpawnDelay = this.nextTick;
+ worldData.patrolSpawnerNextTick--; // Folia - region threading
+ patrolSpawnDelay = worldData.patrolSpawnerNextTick; // Folia - region threading
}
if (patrolSpawnDelay > 0) {
@@ -66,7 +67,7 @@ public class PatrolSpawner implements CustomSpawner {
if (world.paperConfig().entities.behavior.pillagerPatrols.spawnDelay.perPlayer) {
entityhuman.patrolSpawnDelay += world.paperConfig().entities.behavior.pillagerPatrols.spawnDelay.ticks + randomsource.nextInt(1200);
} else {
- this.nextTick += world.paperConfig().entities.behavior.pillagerPatrols.spawnDelay.ticks + randomsource.nextInt(1200);
+ worldData.patrolSpawnerNextTick += world.paperConfig().entities.behavior.pillagerPatrols.spawnDelay.ticks + randomsource.nextInt(1200); // Folia - region threading
}
if (days >= world.paperConfig().entities.behavior.pillagerPatrols.start.day && world.isDay()) {
diff --git a/src/main/java/net/minecraft/world/level/levelgen/PhantomSpawner.java b/src/main/java/net/minecraft/world/level/levelgen/PhantomSpawner.java
index ed80960777b18faca2d6a99783e53daf5fa19e09..b52455178290dd27478da4c062863562942ae2ba 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/PhantomSpawner.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/PhantomSpawner.java
@@ -22,7 +22,7 @@ import net.minecraft.world.level.material.FluidState;
public class PhantomSpawner implements CustomSpawner {
- private int nextTick;
+ //private int nextTick; // Folia - region threading
public PhantomSpawner() {}
@@ -40,20 +40,22 @@ public class PhantomSpawner implements CustomSpawner {
// Paper end - Ability to control player's insomnia and phantoms
RandomSource randomsource = world.random;
- --this.nextTick;
- if (this.nextTick > 0) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
+
+ --worldData.phantomSpawnerNextTick; // Folia - region threading
+ if (worldData.phantomSpawnerNextTick > 0) { // Folia - region threading
return 0;
} else {
// Paper start - Ability to control player's insomnia and phantoms
int spawnAttemptMinSeconds = world.paperConfig().entities.behavior.phantomsSpawnAttemptMinSeconds;
int spawnAttemptMaxSeconds = world.paperConfig().entities.behavior.phantomsSpawnAttemptMaxSeconds;
- this.nextTick += (spawnAttemptMinSeconds + randomsource.nextInt(spawnAttemptMaxSeconds - spawnAttemptMinSeconds + 1)) * 20;
+ worldData.phantomSpawnerNextTick += (spawnAttemptMinSeconds + randomsource.nextInt(spawnAttemptMaxSeconds - spawnAttemptMinSeconds + 1)) * 20; // Folia - region threading
// Paper end - Ability to control player's insomnia and phantoms
if (world.getSkyDarken() < 5 && world.dimensionType().hasSkyLight()) {
return 0;
} else {
int i = 0;
- Iterator iterator = world.players().iterator();
+ Iterator iterator = world.getLocalPlayers().iterator(); // Folia - region threading
while (iterator.hasNext()) {
ServerPlayer entityplayer = (ServerPlayer) iterator.next();
diff --git a/src/main/java/net/minecraft/world/level/levelgen/structure/StructureStart.java b/src/main/java/net/minecraft/world/level/levelgen/structure/StructureStart.java
index 1695cff01932d435848e230921d1680b69a41d73..71658657fdaa858ffd388bb19218c30d84f3d77b 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/structure/StructureStart.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/structure/StructureStart.java
@@ -28,7 +28,7 @@ public final class StructureStart {
private final Structure structure;
private final PiecesContainer pieceContainer;
private final ChunkPos chunkPos;
- private int references;
+ private final java.util.concurrent.atomic.AtomicInteger references; // Folia - region threading
@Nullable
private volatile BoundingBox cachedBoundingBox;
@@ -41,7 +41,7 @@ public final class StructureStart {
public StructureStart(Structure structure, ChunkPos pos, int references, PiecesContainer children) {
this.structure = structure;
this.chunkPos = pos;
- this.references = references;
+ this.references = new java.util.concurrent.atomic.AtomicInteger(references); // Folia - region threading
this.pieceContainer = children;
}
@@ -137,7 +137,7 @@ public final class StructureStart {
nbttagcompound.putString("id", context.registryAccess().registryOrThrow(Registries.STRUCTURE).getKey(this.structure).toString());
nbttagcompound.putInt("ChunkX", chunkPos.x);
nbttagcompound.putInt("ChunkZ", chunkPos.z);
- nbttagcompound.putInt("references", this.references);
+ nbttagcompound.putInt("references", this.references.get()); // Folia - region threading
nbttagcompound.put("Children", this.pieceContainer.save(context));
return nbttagcompound;
} else {
@@ -155,15 +155,29 @@ public final class StructureStart {
}
public boolean canBeReferenced() {
- return this.references < this.getMaxReferences();
+ throw new UnsupportedOperationException("Use tryReference()"); // Folia - region threading
}
+ // Folia start - region threading
+ public boolean tryReference() {
+ for (int curr = this.references.get();;) {
+ if (curr >= this.getMaxReferences()) {
+ return false;
+ }
+
+ if (curr == (curr = this.references.compareAndExchange(curr, curr + 1))) {
+ return true;
+ } // else: try again
+ }
+ }
+ // Folia end - region threading
+
public void addReference() {
- ++this.references;
+ throw new UnsupportedOperationException("Use tryReference()"); // Folia - region threading
}
public int getReferences() {
- return this.references;
+ return this.references.get(); // Folia - region threading
}
protected int getMaxReferences() {
diff --git a/src/main/java/net/minecraft/world/level/portal/PortalForcer.java b/src/main/java/net/minecraft/world/level/portal/PortalForcer.java
index 5d4c18b068f41f349bdccec14e08ca6ca7cb0c6c..4945bf03176e1842ae3e1bdd4708e39b0a3bdc07 100644
--- a/src/main/java/net/minecraft/world/level/portal/PortalForcer.java
+++ b/src/main/java/net/minecraft/world/level/portal/PortalForcer.java
@@ -89,10 +89,10 @@ public class PortalForcer {
BlockPos blockposition1 = villageplacerecord.getPos();
this.level.getChunkSource().addRegionTicket(TicketType.PORTAL, new ChunkPos(blockposition1), 3, blockposition1);
- BlockState iblockdata = this.level.getBlockState(blockposition1);
+ BlockState iblockdata = this.level.getBlockStateFromEmptyChunk(blockposition1); // Folia - region threading
return BlockUtil.getLargestRectangleAround(blockposition1, (Direction.Axis) iblockdata.getValue(BlockStateProperties.HORIZONTAL_AXIS), 21, Direction.Axis.Y, 21, (blockposition2) -> {
- return this.level.getBlockState(blockposition2) == iblockdata;
+ return this.level.getBlockStateFromEmptyChunk(blockposition2) == iblockdata; // Folia - region threading
});
});
}
diff --git a/src/main/java/net/minecraft/world/level/redstone/CollectingNeighborUpdater.java b/src/main/java/net/minecraft/world/level/redstone/CollectingNeighborUpdater.java
index 87db9febbbf53702be0e1e89a95db99e823713e5..de048d920452b04922871eaaafacd1abd0ee21b7 100644
--- a/src/main/java/net/minecraft/world/level/redstone/CollectingNeighborUpdater.java
+++ b/src/main/java/net/minecraft/world/level/redstone/CollectingNeighborUpdater.java
@@ -46,6 +46,7 @@ public class CollectingNeighborUpdater implements NeighborUpdater {
}
private void addAndRun(BlockPos pos, CollectingNeighborUpdater.NeighborUpdates entry) {
+ io.papermc.paper.util.TickThread.ensureTickThread((net.minecraft.server.level.ServerLevel)this.level, pos, "Adding block without owning region"); // Folia - region threading
boolean bl = this.count > 0;
boolean bl2 = this.maxChainedNeighborUpdates >= 0 && this.count >= this.maxChainedNeighborUpdates;
++this.count;
diff --git a/src/main/java/net/minecraft/world/level/saveddata/SavedData.java b/src/main/java/net/minecraft/world/level/saveddata/SavedData.java
index 0655a26a58b3df19d81b18abf6b8ab81fd000ef7..d222b102abdd71b9487e11b4b7637be0d129bb2b 100644
--- a/src/main/java/net/minecraft/world/level/saveddata/SavedData.java
+++ b/src/main/java/net/minecraft/world/level/saveddata/SavedData.java
@@ -13,7 +13,7 @@ import org.slf4j.Logger;
public abstract class SavedData {
private static final Logger LOGGER = LogUtils.getLogger();
- private boolean dirty;
+ private volatile boolean dirty; // Folia - make map data thread-safe
public abstract CompoundTag save(CompoundTag nbt);
@@ -36,6 +36,7 @@ public abstract class SavedData {
public java.util.concurrent.CompletableFuture<Void> save(File file, @org.jetbrains.annotations.Nullable java.util.concurrent.ExecutorService ioExecutor) { // Paper - Write SavedData IO async
if (this.isDirty()) {
+ this.setDirty(false); // Folia - make map data thread-safe - move before save, so that any changes after are not lost
CompoundTag compoundTag = new CompoundTag();
compoundTag.put("data", this.save(new CompoundTag()));
NbtUtils.addCurrentDataVersion(compoundTag);
@@ -48,7 +49,7 @@ public abstract class SavedData {
}
}; // Paper - Write SavedData IO async
- this.setDirty(false);
+ // Folia - make map data thread-safe - move before save, so that any changes after are not lost
// Paper start - Write SavedData IO async
if (ioExecutor == null) {
return java.util.concurrent.CompletableFuture.runAsync(writeRunnable); // No executor, just use common pool
diff --git a/src/main/java/net/minecraft/world/level/saveddata/maps/MapIndex.java b/src/main/java/net/minecraft/world/level/saveddata/maps/MapIndex.java
index 3eca0b1d1407770d3986e0f09c49bc86804b604e..d76df0d600d7f17ac01ce131b85ce9289989995a 100644
--- a/src/main/java/net/minecraft/world/level/saveddata/maps/MapIndex.java
+++ b/src/main/java/net/minecraft/world/level/saveddata/maps/MapIndex.java
@@ -32,17 +32,21 @@ public class MapIndex extends SavedData {
@Override
public CompoundTag save(CompoundTag nbt) {
+ synchronized (this.usedAuxIds) { // Folia - make map data thread-safe
for(Object2IntMap.Entry<String> entry : this.usedAuxIds.object2IntEntrySet()) {
nbt.putInt(entry.getKey(), entry.getIntValue());
}
+ } // Folia - make map data thread-safe
return nbt;
}
public int getFreeAuxValueForMap() {
+ synchronized (this.usedAuxIds) { // Folia - make map data thread-safe
int i = this.usedAuxIds.getInt("map") + 1;
this.usedAuxIds.put("map", i);
this.setDirty();
return i;
+ } // Folia - make map data thread-safe
}
}
diff --git a/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java b/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
index 45269115e63cfc3bd7dc740a5694e2cc7c35bcb1..df799198d4d77a1827002d6d192ebaea3007d5b8 100644
--- a/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
+++ b/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
@@ -192,7 +192,7 @@ public class MapItemSavedData extends SavedData {
}
@Override
- public CompoundTag save(CompoundTag nbt) {
+ public synchronized CompoundTag save(CompoundTag nbt) { // Folia - make map data thread-safe
DataResult<Tag> dataresult = ResourceLocation.CODEC.encodeStart(NbtOps.INSTANCE, this.dimension.location()); // CraftBukkit - decompile error
Logger logger = MapItemSavedData.LOGGER;
@@ -249,7 +249,7 @@ public class MapItemSavedData extends SavedData {
return nbt;
}
- public MapItemSavedData locked() {
+ public synchronized MapItemSavedData locked() { // Folia - make map data thread-safe
MapItemSavedData worldmap = new MapItemSavedData(this.centerX, this.centerZ, this.scale, this.trackingPosition, this.unlimitedTracking, true, this.dimension);
worldmap.bannerMarkers.putAll(this.bannerMarkers);
@@ -260,11 +260,12 @@ public class MapItemSavedData extends SavedData {
return worldmap;
}
- public MapItemSavedData scaled(int zoomOutScale) {
+ public synchronized MapItemSavedData scaled(int zoomOutScale) { // Folia - make map data thread-safe
return MapItemSavedData.createFresh((double) this.centerX, (double) this.centerZ, (byte) Mth.clamp(this.scale + zoomOutScale, 0, 4), this.trackingPosition, this.unlimitedTracking, this.dimension);
}
- public void tickCarriedBy(Player player, ItemStack stack) {
+ public synchronized void tickCarriedBy(Player player, ItemStack stack) { // Folia - make map data thread-safe
+ io.papermc.paper.util.TickThread.ensureTickThread(player, "Ticking map player in incorrect region"); // Folia - region threading
if (!this.carriedByPlayers.containsKey(player)) {
MapItemSavedData.HoldingPlayer worldmap_worldmaphumantracker = new MapItemSavedData.HoldingPlayer(player);
@@ -373,7 +374,7 @@ public class MapItemSavedData extends SavedData {
rotation += rotation < 0.0D ? -8.0D : 8.0D;
b2 = (byte) ((int) (rotation * 16.0D / 360.0D));
if (this.dimension == Level.NETHER && world != null) {
- int j = (int) (world.getLevelData().getDayTime() / 10L);
+ int j = (int) (world.getLevelData().getDayTime() / 10L); // Folia - region threading - TODO
b2 = (byte) (j * j * 34187121 + j * 121 >> 15 & 15);
}
@@ -432,14 +433,14 @@ public class MapItemSavedData extends SavedData {
}
@Nullable
- public Packet<?> getUpdatePacket(int id, Player player) {
+ public synchronized Packet<?> getUpdatePacket(int id, Player player) { // Folia - make map data thread-safe
MapItemSavedData.HoldingPlayer worldmap_worldmaphumantracker = (MapItemSavedData.HoldingPlayer) this.carriedByPlayers.get(player);
return worldmap_worldmaphumantracker == null ? null : worldmap_worldmaphumantracker.nextUpdatePacket(id);
}
- public void setColorsDirty(int x, int z) {
- this.setDirty();
+ public synchronized void setColorsDirty(int x, int z) { // Folia - make map data thread-safe
+ // Folia - make dirty only after updating data - moved down
Iterator iterator = this.carriedBy.iterator();
while (iterator.hasNext()) {
@@ -447,15 +448,16 @@ public class MapItemSavedData extends SavedData {
worldmap_worldmaphumantracker.markColorsDirty(x, z);
}
-
+ this.setDirty(); // Folia - make dirty only after updating data - moved from above
}
- public void setDecorationsDirty() {
- this.setDirty();
+ public synchronized void setDecorationsDirty() { // Folia - make map data thread-safe
+ // Folia - make dirty only after updating data - moved down
this.carriedBy.forEach(MapItemSavedData.HoldingPlayer::markDecorationsDirty);
+ this.setDirty(); // Folia - make dirty only after updating data - moved from above
}
- public MapItemSavedData.HoldingPlayer getHoldingPlayer(Player player) {
+ public synchronized MapItemSavedData.HoldingPlayer getHoldingPlayer(Player player) { // Folia - make map data thread-safe
MapItemSavedData.HoldingPlayer worldmap_worldmaphumantracker = (MapItemSavedData.HoldingPlayer) this.carriedByPlayers.get(player);
if (worldmap_worldmaphumantracker == null) {
@@ -467,7 +469,7 @@ public class MapItemSavedData extends SavedData {
return worldmap_worldmaphumantracker;
}
- public boolean toggleBanner(LevelAccessor world, BlockPos pos) {
+ public synchronized boolean toggleBanner(LevelAccessor world, BlockPos pos) { // Folia - make map data thread-safe
double d0 = (double) pos.getX() + 0.5D;
double d1 = (double) pos.getZ() + 0.5D;
int i = 1 << this.scale;
@@ -476,7 +478,7 @@ public class MapItemSavedData extends SavedData {
boolean flag = true;
if (d2 >= -63.0D && d3 >= -63.0D && d2 <= 63.0D && d3 <= 63.0D) {
- MapBanner mapiconbanner = MapBanner.fromWorld(world, pos);
+ MapBanner mapiconbanner = world.getChunkIfLoadedImmediately(pos.getX() >> 4, pos.getZ() >> 4) == null || !io.papermc.paper.util.TickThread.isTickThreadFor(world.getMinecraftWorld(), pos) ? null : MapBanner.fromWorld(world, pos); // Folia - make map data thread-safe - don't sync load or read data we do not own
if (mapiconbanner == null) {
return false;
@@ -497,7 +499,7 @@ public class MapItemSavedData extends SavedData {
return false;
}
- public void checkBanners(BlockGetter world, int x, int z) {
+ public synchronized void checkBanners(BlockGetter world, int x, int z) { // Folia - make map data thread-safe
Iterator iterator = this.bannerMarkers.values().iterator();
while (iterator.hasNext()) {
@@ -519,12 +521,12 @@ public class MapItemSavedData extends SavedData {
return this.bannerMarkers.values();
}
- public void removedFromFrame(BlockPos pos, int id) {
+ public synchronized void removedFromFrame(BlockPos pos, int id) { // Folia - make map data thread-safe
this.removeDecoration("frame-" + id);
this.frameMarkers.remove(MapFrame.frameId(pos));
}
- public boolean updateColor(int x, int z, byte color) {
+ public synchronized boolean updateColor(int x, int z, byte color) { // Folia - make map data thread-safe
byte b1 = this.colors[x + z * 128];
if (b1 != color) {
@@ -535,12 +537,12 @@ public class MapItemSavedData extends SavedData {
}
}
- public void setColor(int x, int z, byte color) {
+ public synchronized void setColor(int x, int z, byte color) { // Folia - make map data thread-safe
this.colors[x + z * 128] = color;
this.setColorsDirty(x, z);
}
- public boolean isExplorationMap() {
+ public synchronized boolean isExplorationMap() { // Folia - make map data thread-safe
Iterator iterator = this.decorations.values().iterator();
MapDecoration mapicon;
@@ -575,7 +577,7 @@ public class MapItemSavedData extends SavedData {
return this.decorations.values();
}
- public boolean isTrackedCountOverLimit(int iconCount) {
+ public synchronized boolean isTrackedCountOverLimit(int iconCount) { // Folia - make map data thread-safe
return this.trackedDecorationCount >= iconCount;
}
@@ -701,11 +703,13 @@ public class MapItemSavedData extends SavedData {
}
public void applyToMap(MapItemSavedData mapState) {
+ synchronized (mapState) { // Folia - make map data thread-safe
for (int i = 0; i < this.width; ++i) {
for (int j = 0; j < this.height; ++j) {
mapState.setColor(this.startX + i, this.startY + j, this.mapColors[i + j * this.width]);
}
}
+ } // Folia - make map data thread-safe
}
}
diff --git a/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java b/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java
index 1c16f43872d9cf9b087f247e9aaa04e7abe3d4ae..2e40f64ffe439f91de74bd7ece4d679021a9c049 100644
--- a/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java
+++ b/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java
@@ -39,6 +39,7 @@ public class DimensionDataStorage implements java.io.Closeable { // Paper - Writ
}
public <T extends SavedData> T computeIfAbsent(SavedData.Factory<T> type, String id) {
+ synchronized (this.cache) { // Folia - make map data thread-safe
T savedData = this.get(type, id);
if (savedData != null) {
return savedData;
@@ -47,10 +48,12 @@ public class DimensionDataStorage implements java.io.Closeable { // Paper - Writ
this.set(id, savedData2);
return savedData2;
}
+ } // Folia - make map data thread-safe
}
@Nullable
public <T extends SavedData> T get(SavedData.Factory<T> type, String id) {
+ synchronized (this.cache) { // Folia - make map data thread-safe
SavedData savedData = this.cache.get(id);
if (savedData == null && !this.cache.containsKey(id)) {
savedData = this.readSavedData(type.deserializer(), type.type(), id);
@@ -58,6 +61,7 @@ public class DimensionDataStorage implements java.io.Closeable { // Paper - Writ
}
return (T)savedData;
+ } // Folia - make map data thread-safe
}
@Nullable
@@ -76,7 +80,9 @@ public class DimensionDataStorage implements java.io.Closeable { // Paper - Writ
}
public void set(String id, SavedData state) {
+ synchronized (this.cache) { // Folia - make map data thread-safe
this.cache.put(id, state);
+ } // Folia - make map data thread-safe
}
public CompoundTag readTagFromDisk(String id, DataFixTypes dataFixTypes, int currentSaveVersion) throws IOException {
diff --git a/src/main/java/net/minecraft/world/ticks/LevelChunkTicks.java b/src/main/java/net/minecraft/world/ticks/LevelChunkTicks.java
index ac807277a6b26d140ea9873d17c7aa4fb5fe37b2..e13d8700593f1f486cfc5c96ac25894202c07b71 100644
--- a/src/main/java/net/minecraft/world/ticks/LevelChunkTicks.java
+++ b/src/main/java/net/minecraft/world/ticks/LevelChunkTicks.java
@@ -37,6 +37,21 @@ public class LevelChunkTicks<T> implements SerializableTickContainer<T>, TickCon
this.dirty = false;
}
// Paper end - add dirty flag
+ // Folia start - region threading
+ public void offsetTicks(final long offset) {
+ if (offset == 0 || this.tickQueue.isEmpty()) {
+ return;
+ }
+ final ScheduledTick<T>[] queue = this.tickQueue.toArray(new ScheduledTick[0]);
+ this.tickQueue.clear();
+ for (final ScheduledTick<T> entry : queue) {
+ final ScheduledTick<T> newEntry = new ScheduledTick<>(
+ entry.type(), entry.pos(), entry.triggerTick() + offset, entry.subTickOrder()
+ );
+ this.tickQueue.add(newEntry);
+ }
+ }
+ // Folia end - region threading
public LevelChunkTicks() {
}
diff --git a/src/main/java/net/minecraft/world/ticks/LevelTicks.java b/src/main/java/net/minecraft/world/ticks/LevelTicks.java
index 1d7c663fa0e550bd0cfb9a4b83ccd7e2968666f0..f3df9c9b6cff85565514f990597f3fe53652812c 100644
--- a/src/main/java/net/minecraft/world/ticks/LevelTicks.java
+++ b/src/main/java/net/minecraft/world/ticks/LevelTicks.java
@@ -42,13 +42,70 @@ public class LevelTicks<T> implements LevelTickAccess<T> {
private final List<ScheduledTick<T>> alreadyRunThisTick = new ArrayList<>();
private final Set<ScheduledTick<?>> toRunThisTickSet = new ObjectOpenCustomHashSet<>(ScheduledTick.UNIQUE_TICK_HASH);
private final BiConsumer<LevelChunkTicks<T>, ScheduledTick<T>> chunkScheduleUpdater = (chunkTickScheduler, tick) -> {
- if (tick.equals(chunkTickScheduler.peek())) {
- this.updateContainerScheduling(tick);
+ if (tick.equals(chunkTickScheduler.peek())) { // Folia - diff on change
+ this.updateContainerScheduling(tick); // Folia - diff on change
}
};
- public LevelTicks(LongPredicate tickingFutureReadyPredicate, Supplier<ProfilerFiller> profilerGetter) {
+ // Folia start - region threading
+ public final net.minecraft.server.level.ServerLevel world;
+ public final boolean isBlock;
+
+ public void merge(final LevelTicks<T> into, final long tickOffset) {
+ // note: containersToTick, toRunThisTick, alreadyRunThisTick, toRunThisTickSet
+ // are all transient state, only ever non-empty during tick. But merging regions occurs while there
+ // is no tick happening, so we assume they are empty.
+ for (final java.util.Iterator<Long2ObjectMap.Entry<LevelChunkTicks<T>>> iterator =
+ ((Long2ObjectOpenHashMap<LevelChunkTicks<T>>)this.allContainers).long2ObjectEntrySet().fastIterator();
+ iterator.hasNext();) {
+ final Long2ObjectMap.Entry<LevelChunkTicks<T>> entry = iterator.next();
+ final LevelChunkTicks<T> tickContainer = entry.getValue();
+ tickContainer.offsetTicks(tickOffset);
+ into.allContainers.put(entry.getLongKey(), tickContainer);
+ }
+ for (final java.util.Iterator<Long2LongMap.Entry> iterator = ((Long2LongOpenHashMap)this.nextTickForContainer).long2LongEntrySet().fastIterator();
+ iterator.hasNext();) {
+ final Long2LongMap.Entry entry = iterator.next();
+ into.nextTickForContainer.put(entry.getLongKey(), entry.getLongValue() + tickOffset);
+ }
+ }
+
+ public void split(final int chunkToRegionShift,
+ final it.unimi.dsi.fastutil.longs.Long2ReferenceOpenHashMap<LevelTicks<T>> regionToData) {
+ for (final java.util.Iterator<Long2ObjectMap.Entry<LevelChunkTicks<T>>> iterator =
+ ((Long2ObjectOpenHashMap<LevelChunkTicks<T>>)this.allContainers).long2ObjectEntrySet().fastIterator();
+ iterator.hasNext();) {
+ final Long2ObjectMap.Entry<LevelChunkTicks<T>> entry = iterator.next();
+
+ final long chunkKey = entry.getLongKey();
+ final int chunkX = io.papermc.paper.util.CoordinateUtils.getChunkX(chunkKey);
+ final int chunkZ = io.papermc.paper.util.CoordinateUtils.getChunkZ(chunkKey);
+
+ final long regionSectionKey = io.papermc.paper.util.CoordinateUtils.getChunkKey(
+ chunkX >> chunkToRegionShift, chunkZ >> chunkToRegionShift
+ );
+ // Should always be non-null, since containers are removed on unload.
+ regionToData.get(regionSectionKey).allContainers.put(chunkKey, entry.getValue());
+ }
+ for (final java.util.Iterator<Long2LongMap.Entry> iterator = ((Long2LongOpenHashMap)this.nextTickForContainer).long2LongEntrySet().fastIterator();
+ iterator.hasNext();) {
+ final Long2LongMap.Entry entry = iterator.next();
+ final long chunkKey = entry.getLongKey();
+ final int chunkX = io.papermc.paper.util.CoordinateUtils.getChunkX(chunkKey);
+ final int chunkZ = io.papermc.paper.util.CoordinateUtils.getChunkZ(chunkKey);
+
+ final long regionSectionKey = io.papermc.paper.util.CoordinateUtils.getChunkKey(
+ chunkX >> chunkToRegionShift, chunkZ >> chunkToRegionShift
+ );
+
+ // Should always be non-null, since containers are removed on unload.
+ regionToData.get(regionSectionKey).nextTickForContainer.put(chunkKey, entry.getLongValue());
+ }
+ }
+ // Folia end - region threading
+
+ public LevelTicks(LongPredicate tickingFutureReadyPredicate, Supplier<ProfilerFiller> profilerGetter, net.minecraft.server.level.ServerLevel world, boolean isBlock) { this.world = world; this.isBlock = isBlock; // Folia - add world and isBlock
this.tickCheck = tickingFutureReadyPredicate;
this.profiler = profilerGetter;
}
@@ -61,7 +118,17 @@ public class LevelTicks<T> implements LevelTickAccess<T> {
this.nextTickForContainer.put(l, scheduledTick.triggerTick());
}
- scheduler.setOnTickAdded(this.chunkScheduleUpdater);
+ // Folia start - region threading
+ final boolean isBlock = this.isBlock;
+ final net.minecraft.server.level.ServerLevel world = this.world;
+ // make sure the lambda contains no reference to this LevelTicks
+ scheduler.setOnTickAdded((chunkTickScheduler, tick) -> {
+ if (tick.equals(chunkTickScheduler.peek())) {
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData();
+ (isBlock ? worldData.getBlockLevelTicks() : worldData.getFluidLevelTicks()).updateContainerScheduling((ScheduledTick)tick);
+ }
+ });
+ // Folia end - region threading
}
public void removeContainer(ChunkPos pos) {
@@ -76,6 +143,7 @@ public class LevelTicks<T> implements LevelTickAccess<T> {
@Override
public void schedule(ScheduledTick<T> orderedTick) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, orderedTick.pos(), "Cannot schedule tick for another region!"); // Folia - region threading
long l = ChunkPos.asLong(orderedTick.pos());
LevelChunkTicks<T> levelChunkTicks = this.allContainers.get(l);
if (levelChunkTicks == null) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index b63effd92be5a8a75db6c37e5a1b91541020ec75..350fc61fd709453a86c9f7f6e4bccc434065cc35 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -309,7 +309,7 @@ public final class CraftServer implements Server {
private final CraftPotionBrewer potionBrewer = new CraftPotionBrewer(); // Paper - Custom Potion Mixes
// Paper start - Folia region threading API
- private final io.papermc.paper.threadedregions.scheduler.FallbackRegionScheduler regionizedScheduler = new io.papermc.paper.threadedregions.scheduler.FallbackRegionScheduler();
+ private final io.papermc.paper.threadedregions.scheduler.FoliaRegionScheduler regionizedScheduler = new io.papermc.paper.threadedregions.scheduler.FoliaRegionScheduler(); // Folia - region threading
private final io.papermc.paper.threadedregions.scheduler.FoliaAsyncScheduler asyncScheduler = new io.papermc.paper.threadedregions.scheduler.FoliaAsyncScheduler();
private final io.papermc.paper.threadedregions.scheduler.FoliaGlobalRegionScheduler globalRegionScheduler = new io.papermc.paper.threadedregions.scheduler.FoliaGlobalRegionScheduler();
@@ -377,6 +377,12 @@ public final class CraftServer implements Server {
return io.papermc.paper.util.TickThread.isTickThreadFor(((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandleRaw());
}
// Paper end - Folia reagion threading API
+ // Folia start - region threading API
+ @Override
+ public boolean isGlobalTickThread() {
+ return io.papermc.paper.threadedregions.RegionizedServer.isGlobalTickThread();
+ }
+ // Folia end - region threading API
static {
ConfigurationSerialization.registerClass(CraftOfflinePlayer.class);
@@ -971,6 +977,9 @@ public final class CraftServer implements Server {
// NOTE: Should only be called from DedicatedServer.ah()
public boolean dispatchServerCommand(CommandSender sender, ConsoleInput serverCommand) {
+ // Folia start - region threading
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("May not dispatch server commands async");
+ // Folia end - region threading
if (sender instanceof Conversable) {
Conversable conversable = (Conversable) sender;
@@ -990,12 +999,46 @@ public final class CraftServer implements Server {
}
}
+ // Folia start - region threading
+ public void dispatchCmdAsync(CommandSender sender, String commandLine) {
+ if ((sender instanceof Entity entity)) {
+ ((org.bukkit.craftbukkit.entity.CraftEntity)entity).taskScheduler.schedule(
+ (nmsEntity) -> {
+ CraftServer.this.dispatchCommand(nmsEntity.getBukkitEntity(), commandLine);
+ },
+ null,
+ 1L
+ );
+ } else if (sender instanceof ConsoleCommandSender || sender instanceof io.papermc.paper.commands.FeedbackForwardingSender) {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> {
+ CraftServer.this.dispatchCommand(sender, commandLine);
+ });
+ } else {
+ // huh?
+ throw new UnsupportedOperationException("Dispatching command for " + sender);
+ }
+ }
+ // Folia end - region threading
+
@Override
public boolean dispatchCommand(CommandSender sender, String commandLine) {
Preconditions.checkArgument(sender != null, "sender cannot be null");
Preconditions.checkArgument(commandLine != null, "commandLine cannot be null");
org.spigotmc.AsyncCatcher.catchOp("Command Dispatched Async: " + commandLine); // Spigot // Paper - Include command in error message
+ // Folia start - region threading
+ if ((sender instanceof Entity entity)) {
+ io.papermc.paper.util.TickThread.ensureTickThread(((org.bukkit.craftbukkit.entity.CraftEntity)entity).getHandle(), "Dispatching command async");
+ } else if (sender instanceof ConsoleCommandSender || sender instanceof net.minecraft.server.rcon.RconConsoleSource
+ || sender instanceof org.bukkit.craftbukkit.command.CraftRemoteConsoleCommandSender
+ || sender instanceof io.papermc.paper.commands.FeedbackForwardingSender) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Dispatching command async");
+ } else {
+ // huh?
+ throw new UnsupportedOperationException("Dispatching command for " + sender);
+ }
+ // Folia end - region threading
+
if (this.commandMap.dispatch(sender, commandLine)) {
return true;
}
@@ -3234,7 +3277,7 @@ public final class CraftServer implements Server {
@Override
public int getCurrentTick() {
- return net.minecraft.server.MinecraftServer.currentTick;
+ return (int)io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick(); // Folia - region threading
}
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index bfb178c69026e9759e9afaebb9da141b62d1f144..379c10e791a961d25d7de571f81ace1ac7d84381 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -192,7 +192,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public int getTickableTileEntityCount() {
- return world.blockEntityTickers.size();
+ throw new UnsupportedOperationException(); // Folia - region threading - TODO fix this?
}
@Override
@@ -254,7 +254,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
// Paper start - per world spawn limits
for (SpawnCategory spawnCategory : SpawnCategory.values()) {
if (CraftSpawnCategory.isValidForLimits(spawnCategory)) {
- setSpawnLimit(spawnCategory, this.world.paperConfig().entities.spawning.spawnLimits.getInt(CraftSpawnCategory.toNMS(spawnCategory)));
+ this.spawnCategoryLimit.put(spawnCategory, this.world.paperConfig().entities.spawning.spawnLimits.getInt(CraftSpawnCategory.toNMS(spawnCategory))); // Folia - region threading
}
}
// Paper end - per world spawn limits
@@ -341,6 +341,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public Chunk getChunkAt(int x, int z) {
+ io.papermc.paper.util.TickThread.isTickThreadFor(this.getHandle(), x, z); // Folia - region threading
warnUnsafeChunk("getting a faraway chunk", x, z); // Paper
// Paper start - add ticket to hold chunk for a little while longer if plugin accesses it
net.minecraft.world.level.chunk.LevelChunk chunk = this.world.getChunkSource().getChunkAtIfLoadedImmediately(x, z);
@@ -364,7 +365,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
// Paper start
private void addTicket(int x, int z) {
- io.papermc.paper.util.MCUtil.MAIN_EXECUTOR.execute(() -> this.world.getChunkSource().addRegionTicket(TicketType.PLUGIN, new ChunkPos(x, z), 0, Unit.INSTANCE)); // Paper
+ this.world.getChunkSource().addRegionTicket(TicketType.PLUGIN, new ChunkPos(x, z), 0, Unit.INSTANCE); // Paper // Folia - region threading - does not need to be on the main thread anymore
}
// Paper end
@@ -383,10 +384,10 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean isChunkGenerated(int x, int z) {
// Paper start - Fix this method
- if (!Bukkit.isPrimaryThread()) {
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(this.getHandle(), x, z)) { // Folia - region threading
return java.util.concurrent.CompletableFuture.supplyAsync(() -> {
return CraftWorld.this.isChunkGenerated(x, z);
- }, world.getChunkSource().mainThreadProcessor).join();
+ }, (run) -> { io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueChunkTask(this.getHandle(), x, z, run);}).join(); // Folia - region threading
}
ChunkAccess chunk = world.getChunkSource().getChunkAtImmediately(x, z);
if (chunk == null) {
@@ -440,7 +441,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
}
private boolean unloadChunk0(int x, int z, boolean save) {
- org.spigotmc.AsyncCatcher.catchOp("chunk unload"); // Spigot
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, x, z, "Cannot unload chunk asynchronously"); // Folia - region threading
if (!this.isChunkLoaded(x, z)) {
return true;
}
@@ -455,7 +456,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean regenerateChunk(int x, int z) {
- org.spigotmc.AsyncCatcher.catchOp("chunk regenerate"); // Spigot
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, x, z, "Cannot regenerate chunk asynchronously"); // Folia - region threading
warnUnsafeChunk("regenerating a faraway chunk", x, z); // Paper
// Paper start - implement regenerateChunk method
final ServerLevel serverLevel = this.world;
@@ -518,6 +519,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean refreshChunk(int x, int z) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, x, z, "Cannot refresh chunk asynchronously"); // Folia - region threading
ChunkHolder playerChunk = this.world.getChunkSource().chunkMap.getVisibleChunkIfPresent(ChunkPos.asLong(x, z));
if (playerChunk == null) return false;
@@ -553,7 +555,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean loadChunk(int x, int z, boolean generate) {
- org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
+ io.papermc.paper.util.TickThread.ensureTickThread(this.getHandle(), x, z, "May not sync load chunks asynchronously"); // Folia - region threading
warnUnsafeChunk("loading a faraway chunk", x, z); // Paper
// Paper start - Optimize this method
ChunkPos chunkPos = new ChunkPos(x, z);
@@ -622,7 +624,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
DistanceManager chunkDistanceManager = this.world.getChunkSource().chunkMap.distanceManager;
if (chunkDistanceManager.addRegionTicketAtDistance(TicketType.PLUGIN_TICKET, new ChunkPos(x, z), 2, plugin)) { // keep in-line with force loading, add at level 31
- this.getChunkAt(x, z); // ensure loaded
+ //this.getChunkAt(x, z); // ensure loaded // Folia - region threading - do not load chunks for tickets anymore to make this mt-safe
return true;
}
@@ -813,13 +815,15 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean generateTree(Location loc, TreeType type, BlockChangeDelegate delegate) {
- this.world.captureTreeGeneration = true;
- this.world.captureBlockStates = true;
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, loc.getX(), loc.getZ(), "Cannot generate tree asynchronously"); // Folia - region threading
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
+ worldData.captureTreeGeneration = true; // Folia - region threading
+ worldData.captureBlockStates = true; // Folia - region threading
boolean grownTree = this.generateTree(loc, type);
- this.world.captureBlockStates = false;
- this.world.captureTreeGeneration = false;
+ worldData.captureBlockStates = false; // Folia - region threading
+ worldData.captureTreeGeneration = false; // Folia - region threading
if (grownTree) { // Copy block data to delegate
- for (BlockState blockstate : this.world.capturedBlockStates.values()) {
+ for (BlockState blockstate : worldData.capturedBlockStates.values()) { // Folia - region threading
BlockPos position = ((CraftBlockState) blockstate).getPosition();
net.minecraft.world.level.block.state.BlockState oldBlock = this.world.getBlockState(position);
int flag = ((CraftBlockState) blockstate).getFlag();
@@ -827,10 +831,10 @@ public class CraftWorld extends CraftRegionAccessor implements World {
net.minecraft.world.level.block.state.BlockState newBlock = this.world.getBlockState(position);
this.world.notifyAndUpdatePhysics(position, null, oldBlock, newBlock, newBlock, flag, 512);
}
- this.world.capturedBlockStates.clear();
+ worldData.capturedBlockStates.clear(); // Folia - region threading
return true;
} else {
- this.world.capturedBlockStates.clear();
+ worldData.capturedBlockStates.clear(); // Folia - region threading
return false;
}
}
@@ -864,6 +868,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setTime(long time) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify time off of the global region"); // Folia - region threading
long margin = (time - this.getFullTime()) % 24000;
if (margin < 0) margin += 24000;
this.setFullTime(this.getFullTime() + margin);
@@ -876,6 +881,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setFullTime(long time) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify time off of the global region"); // Folia - region threading
// Notify anyone who's listening
TimeSkipEvent event = new TimeSkipEvent(this, TimeSkipEvent.SkipReason.CUSTOM, time - this.world.getDayTime());
this.server.getPluginManager().callEvent(event);
@@ -903,7 +909,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public long getGameTime() {
- return this.world.levelData.getGameTime();
+ return this.getHandle().getGameTime(); // Folia - region threading
}
@Override
@@ -923,11 +929,13 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean createExplosion(double x, double y, double z, float power, boolean setFire, boolean breakBlocks, Entity source) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, x, z, "Cannot create explosion asynchronously");
return !this.world.explode(source == null ? null : ((CraftEntity) source).getHandle(), x, y, z, power, setFire, breakBlocks ? net.minecraft.world.level.Level.ExplosionInteraction.MOB : net.minecraft.world.level.Level.ExplosionInteraction.NONE).wasCanceled;
}
// Paper start
@Override
public boolean createExplosion(Entity source, Location loc, float power, boolean setFire, boolean breakBlocks) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, loc.getX(), loc.getZ(), "Cannot create explosion asynchronously");
return !world.explode(source != null ? ((org.bukkit.craftbukkit.entity.CraftEntity) source).getHandle() : null, loc.getX(), loc.getY(), loc.getZ(), power, setFire, breakBlocks ? net.minecraft.world.level.Level.ExplosionInteraction.MOB : net.minecraft.world.level.Level.ExplosionInteraction.NONE).wasCanceled;
}
// Paper end
@@ -1004,6 +1012,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public int getHighestBlockYAt(int x, int z, org.bukkit.HeightMap heightMap) {
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, x >> 4, z >> 4, "Cannot retrieve chunk asynchronously"); // Folia - region threading
warnUnsafeChunk("getting a faraway chunk", x >> 4, z >> 4); // Paper
// Transient load for this tick
return this.world.getChunk(x >> 4, z >> 4).getHeight(CraftHeightMap.toNMS(heightMap), x, z);
@@ -1034,6 +1043,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setBiome(int x, int y, int z, Holder<net.minecraft.world.level.biome.Biome> bb) {
BlockPos pos = new BlockPos(x, 0, z);
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, pos, "Cannot retrieve chunk asynchronously"); // Folia - region threading
if (this.world.hasChunkAt(pos)) {
net.minecraft.world.level.chunk.LevelChunk chunk = this.world.getChunkAt(pos);
@@ -1344,6 +1354,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setStorm(boolean hasStorm) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify weather off of the global region"); // Folia - region threading
this.world.serverLevelData.setRaining(hasStorm, org.bukkit.event.weather.WeatherChangeEvent.Cause.PLUGIN); // Paper - Add cause to Weather/ThunderChangeEvents
this.setWeatherDuration(0); // Reset weather duration (legacy behaviour)
this.setClearWeatherDuration(0); // Reset clear weather duration (reset "/weather clear" commands)
@@ -1356,6 +1367,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setWeatherDuration(int duration) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify weather off of the global region"); // Folia - region threading
this.world.serverLevelData.setRainTime(duration);
}
@@ -1366,6 +1378,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setThundering(boolean thundering) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify weather off of the global region"); // Folia - region threading
this.world.serverLevelData.setThundering(thundering, org.bukkit.event.weather.ThunderChangeEvent.Cause.PLUGIN); // Paper - Add cause to Weather/ThunderChangeEvents
this.setThunderDuration(0); // Reset weather duration (legacy behaviour)
this.setClearWeatherDuration(0); // Reset clear weather duration (reset "/weather clear" commands)
@@ -1378,6 +1391,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setThunderDuration(int duration) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify weather off of the global region"); // Folia - region threading
this.world.serverLevelData.setThunderTime(duration);
}
@@ -1388,6 +1402,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setClearWeatherDuration(int duration) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify weather off of the global region"); // Folia - region threading
this.world.serverLevelData.setClearWeatherTime(duration);
}
@@ -1582,6 +1597,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setKeepSpawnInMemory(boolean keepLoaded) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify keep spawn in memory off of the global region"); // Folia - region threading
// Paper start - Configurable spawn radius
if (keepLoaded == this.world.keepSpawnInMemory) {
// do nothing, nothing has changed
@@ -1660,6 +1676,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setHardcore(boolean hardcore) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.world.serverLevelData.settings.hardcore = hardcore;
}
@@ -1672,6 +1689,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setTicksPerAnimalSpawns(int ticksPerAnimalSpawns) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setTicksPerSpawns(SpawnCategory.ANIMAL, ticksPerAnimalSpawns);
}
@@ -1684,6 +1702,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setTicksPerMonsterSpawns(int ticksPerMonsterSpawns) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setTicksPerSpawns(SpawnCategory.MONSTER, ticksPerMonsterSpawns);
}
@@ -1696,6 +1715,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setTicksPerWaterSpawns(int ticksPerWaterSpawns) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setTicksPerSpawns(SpawnCategory.WATER_ANIMAL, ticksPerWaterSpawns);
}
@@ -1708,6 +1728,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setTicksPerWaterAmbientSpawns(int ticksPerWaterAmbientSpawns) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setTicksPerSpawns(SpawnCategory.WATER_AMBIENT, ticksPerWaterAmbientSpawns);
}
@@ -1720,6 +1741,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setTicksPerWaterUndergroundCreatureSpawns(int ticksPerWaterUndergroundCreatureSpawns) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setTicksPerSpawns(SpawnCategory.WATER_UNDERGROUND_CREATURE, ticksPerWaterUndergroundCreatureSpawns);
}
@@ -1732,11 +1754,13 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setTicksPerAmbientSpawns(int ticksPerAmbientSpawns) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setTicksPerSpawns(SpawnCategory.AMBIENT, ticksPerAmbientSpawns);
}
@Override
public void setTicksPerSpawns(SpawnCategory spawnCategory, int ticksPerCategorySpawn) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
Preconditions.checkArgument(spawnCategory != null, "SpawnCategory cannot be null");
Preconditions.checkArgument(CraftSpawnCategory.isValidForLimits(spawnCategory), "SpawnCategory.%s are not supported", spawnCategory);
@@ -1753,21 +1777,25 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setMetadata(String metadataKey, MetadataValue newMetadataValue) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify metadata off of the global region"); // Folia - region threading
this.server.getWorldMetadata().setMetadata(this, metadataKey, newMetadataValue);
}
@Override
public List<MetadataValue> getMetadata(String metadataKey) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot retrieve metadata off of the global region"); // Folia - region threading
return this.server.getWorldMetadata().getMetadata(this, metadataKey);
}
@Override
public boolean hasMetadata(String metadataKey) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot retrieve metadata off of the global region"); // Folia - region threading
return this.server.getWorldMetadata().hasMetadata(this, metadataKey);
}
@Override
public void removeMetadata(String metadataKey, Plugin owningPlugin) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify metadata off of the global region"); // Folia - region threading
this.server.getWorldMetadata().removeMetadata(this, metadataKey, owningPlugin);
}
@@ -1780,6 +1808,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setMonsterSpawnLimit(int limit) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setSpawnLimit(SpawnCategory.MONSTER, limit);
}
@@ -1792,6 +1821,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setAnimalSpawnLimit(int limit) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setSpawnLimit(SpawnCategory.ANIMAL, limit);
}
@@ -1804,6 +1834,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setWaterAnimalSpawnLimit(int limit) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setSpawnLimit(SpawnCategory.WATER_ANIMAL, limit);
}
@@ -1816,6 +1847,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setWaterAmbientSpawnLimit(int limit) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setSpawnLimit(SpawnCategory.WATER_AMBIENT, limit);
}
@@ -1828,6 +1860,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setWaterUndergroundCreatureSpawnLimit(int limit) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setSpawnLimit(SpawnCategory.WATER_UNDERGROUND_CREATURE, limit);
}
@@ -1840,6 +1873,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
@Deprecated
public void setAmbientSpawnLimit(int limit) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
this.setSpawnLimit(SpawnCategory.AMBIENT, limit);
}
@@ -1862,6 +1896,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setSpawnLimit(SpawnCategory spawnCategory, int limit) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
Preconditions.checkArgument(spawnCategory != null, "SpawnCategory cannot be null");
Preconditions.checkArgument(CraftSpawnCategory.isValidForLimits(spawnCategory), "SpawnCategory.%s are not supported", spawnCategory);
@@ -1944,7 +1979,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
if (!(entity instanceof CraftEntity craftEntity) || entity.getWorld() != this || sound == null || category == null) return;
ClientboundSoundEntityPacket packet = new ClientboundSoundEntityPacket(CraftSound.bukkitToMinecraftHolder(sound), net.minecraft.sounds.SoundSource.valueOf(category.name()), craftEntity.getHandle(), volume, pitch, seed);
- ChunkMap.TrackedEntity entityTracker = this.getHandle().getChunkSource().chunkMap.entityMap.get(entity.getEntityId());
+ ChunkMap.TrackedEntity entityTracker = ((CraftEntity) entity).getHandle().tracker; // Folia - region threading
if (entityTracker != null) {
entityTracker.broadcastAndSend(packet);
}
@@ -1956,7 +1991,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
if (!(entity instanceof CraftEntity craftEntity) || entity.getWorld() != this || sound == null || category == null) return;
ClientboundSoundEntityPacket packet = new ClientboundSoundEntityPacket(Holder.direct(SoundEvent.createVariableRangeEvent(new ResourceLocation(sound))), net.minecraft.sounds.SoundSource.valueOf(category.name()), craftEntity.getHandle(), volume, pitch, seed);
- ChunkMap.TrackedEntity entityTracker = this.getHandle().getChunkSource().chunkMap.entityMap.get(entity.getEntityId());
+ ChunkMap.TrackedEntity entityTracker = ((CraftEntity)entity).getHandle().tracker; // Folia - region threading
if (entityTracker != null) {
entityTracker.broadcastAndSend(packet);
}
@@ -2045,6 +2080,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean setGameRuleValue(String rule, String value) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
// No null values allowed
if (rule == null || value == null) return false;
@@ -2087,6 +2123,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public <T> boolean setGameRule(GameRule<T> rule, T newValue) {
+ io.papermc.paper.threadedregions.RegionizedServer.ensureGlobalTickThread("Cannot modify server settings off of the global region"); // Folia - region threading
Preconditions.checkArgument(rule != null, "GameRule cannot be null");
Preconditions.checkArgument(newValue != null, "GameRule value cannot be null");
@@ -2339,6 +2376,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void sendGameEvent(Entity sourceEntity, org.bukkit.GameEvent gameEvent, Vector position) {
+ // Folia start - region threading
+ if (sourceEntity != null && !Bukkit.isOwnedByCurrentRegion(sourceEntity)) {
+ throw new IllegalStateException("Cannot send game event asynchronously");
+ }
+ io.papermc.paper.util.TickThread.ensureTickThread(this.world, position.getX(), position.getZ(), "Cannot send game event asynchronously");
+ // Folia end - region threading
getHandle().gameEvent(sourceEntity != null ? ((CraftEntity) sourceEntity).getHandle(): null, net.minecraft.core.registries.BuiltInRegistries.GAME_EVENT.get(org.bukkit.craftbukkit.util.CraftNamespacedKey.toMinecraft(gameEvent.getKey())), org.bukkit.craftbukkit.util.CraftVector.toBlockPos(position));
}
// Paper end
@@ -2459,7 +2502,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
// Paper start
public java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(int x, int z, boolean gen, boolean urgent) {
warnUnsafeChunk("getting a faraway chunk async", x, z); // Paper
- if (Bukkit.isPrimaryThread()) {
+ if (io.papermc.paper.util.TickThread.isTickThreadFor(this.getHandle(), x, z)) { // Folia - region threading
net.minecraft.world.level.chunk.LevelChunk immediate = this.world.getChunkSource().getChunkAtIfLoadedImmediately(x, z);
if (immediate != null) {
return java.util.concurrent.CompletableFuture.completedFuture(new CraftChunk(immediate));
@@ -2476,7 +2519,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
java.util.concurrent.CompletableFuture<Chunk> ret = new java.util.concurrent.CompletableFuture<>();
io.papermc.paper.chunk.system.ChunkSystem.scheduleChunkLoad(this.getHandle(), x, z, gen, ChunkStatus.FULL, true, priority, (c) -> {
- net.minecraft.server.MinecraftServer.getServer().scheduleOnMain(() -> {
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue(this.getHandle(), x, z, () -> { // Folia - region threading
net.minecraft.world.level.chunk.LevelChunk chunk = (net.minecraft.world.level.chunk.LevelChunk)c;
if (chunk != null) this.addTicket(x, z); // Paper
ret.complete(chunk == null ? null : new CraftChunk(chunk));
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CapturedBlockState.java b/src/main/java/org/bukkit/craftbukkit/block/CapturedBlockState.java
index dfe5fa29a29af06640382456ef59aed794f5362b..ba5e47037f4dc3eb3efe86cd31183b39eab823fe 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CapturedBlockState.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CapturedBlockState.java
@@ -64,6 +64,7 @@ public final class CapturedBlockState extends CraftBlockState {
for (int k = 0; k < j; ++k) {
Bee entitybee = new Bee(EntityType.BEE, generatoraccessseed.getMinecraftWorld());
+ entitybee.setPosRaw(blockposition1.getX(), blockposition1.getY(), blockposition1.getZ()); // Folia - region threading - set position so that thread checks do not fail
tileentitybeehive.addOccupantWithPresetTicks(entitybee, false, random.nextInt(599));
}
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
index 4b42ef2a876ea210d948238e63fd7a2b7035bb5b..b451b9df3233355fb16092edc3a4dd63d7d2ff14 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
@@ -75,6 +75,11 @@ public class CraftBlock implements Block {
}
public net.minecraft.world.level.block.state.BlockState getNMS() {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
return this.world.getBlockState(this.position);
}
@@ -151,6 +156,11 @@ public class CraftBlock implements Block {
}
private void setData(final byte data, int flag) {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
this.world.setBlock(this.position, CraftMagicNumbers.getBlock(this.getType(), data), flag);
}
@@ -192,6 +202,11 @@ public class CraftBlock implements Block {
}
public static boolean setTypeAndData(LevelAccessor world, BlockPos position, net.minecraft.world.level.block.state.BlockState old, net.minecraft.world.level.block.state.BlockState blockData, boolean applyPhysics) {
+ // Folia start - region threading
+ if (world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // Folia end - region threading
// SPIGOT-611: need to do this to prevent glitchiness. Easier to handle this here (like /setblock) than to fix weirdness in tile entity cleanup
if (old.hasBlockEntity() && blockData.getBlock() != old.getBlock()) { // SPIGOT-3725 remove old tile entity if block changes
// SPIGOT-4612: faster - just clear tile
@@ -337,18 +352,33 @@ public class CraftBlock implements Block {
@Override
public Biome getBiome() {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
return this.getWorld().getBiome(this.getX(), this.getY(), this.getZ());
}
// Paper start
@Override
public Biome getComputedBiome() {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
return this.getWorld().getComputedBiome(this.getX(), this.getY(), this.getZ());
}
// Paper end
@Override
public void setBiome(Biome bio) {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
this.getWorld().setBiome(this.getX(), this.getY(), this.getZ(), bio);
}
@@ -396,6 +426,11 @@ public class CraftBlock implements Block {
@Override
public boolean isBlockFaceIndirectlyPowered(BlockFace face) {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
int power = this.world.getMinecraftWorld().getSignal(this.position, CraftBlock.blockFaceToNotch(face));
Block relative = this.getRelative(face);
@@ -408,6 +443,11 @@ public class CraftBlock implements Block {
@Override
public int getBlockPower(BlockFace face) {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
int power = 0;
net.minecraft.world.level.Level world = this.world.getMinecraftWorld();
int x = this.getX();
@@ -494,6 +534,11 @@ public class CraftBlock implements Block {
@Override
public boolean breakNaturally(ItemStack item, boolean triggerEffect, boolean dropExperience) {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
// Paper end
// Order matters here, need to drop before setting to air so skulls can get their data
net.minecraft.world.level.block.state.BlockState iblockdata = this.getNMS();
@@ -537,21 +582,27 @@ public class CraftBlock implements Block {
@Override
public boolean applyBoneMeal(BlockFace face) {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
Direction direction = CraftBlock.blockFaceToNotch(face);
BlockFertilizeEvent event = null;
ServerLevel world = this.getCraftWorld().getHandle();
UseOnContext context = new UseOnContext(world, null, InteractionHand.MAIN_HAND, Items.BONE_MEAL.getDefaultInstance(), new BlockHitResult(Vec3.ZERO, direction, this.getPosition(), false));
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - region threading
// SPIGOT-6895: Call StructureGrowEvent and BlockFertilizeEvent
- world.captureTreeGeneration = true;
+ worldData.captureTreeGeneration = true; // Folia - region threading
InteractionResult result = BoneMealItem.applyBonemeal(context);
- world.captureTreeGeneration = false;
+ worldData.captureTreeGeneration = false; // Folia - region threading
- if (world.capturedBlockStates.size() > 0) {
- TreeType treeType = SaplingBlock.treeType;
- SaplingBlock.treeType = null;
- List<BlockState> blocks = new ArrayList<>(world.capturedBlockStates.values());
- world.capturedBlockStates.clear();
+ if (worldData.capturedBlockStates.size() > 0) { // Folia - region threading
+ TreeType treeType = SaplingBlock.treeTypeRT.get(); // Folia - region threading
+ SaplingBlock.treeTypeRT.set(null); // Folia - region threading
+ List<BlockState> blocks = new ArrayList<>(worldData.capturedBlockStates.values()); // Folia - region threading
+ worldData.capturedBlockStates.clear(); // Folia - region threading
StructureGrowEvent structureEvent = null;
if (treeType != null) {
@@ -638,6 +689,11 @@ public class CraftBlock implements Block {
@Override
public RayTraceResult rayTrace(Location start, Vector direction, double maxDistance, FluidCollisionMode fluidCollisionMode) {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
Preconditions.checkArgument(start != null, "Location start cannot be null");
Preconditions.checkArgument(this.getWorld().equals(start.getWorld()), "Location start cannot be a different world");
start.checkFinite();
@@ -679,6 +735,11 @@ public class CraftBlock implements Block {
@Override
public boolean canPlace(BlockData data) {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
Preconditions.checkArgument(data != null, "BlockData cannot be null");
net.minecraft.world.level.block.state.BlockState iblockdata = ((CraftBlockData) data).getState();
net.minecraft.world.level.Level world = this.world.getMinecraftWorld();
@@ -713,6 +774,11 @@ public class CraftBlock implements Block {
@Override
public void tick() {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
net.minecraft.world.level.block.state.BlockState blockData = this.getNMS();
net.minecraft.server.level.ServerLevel level = this.world.getMinecraftWorld();
@@ -721,6 +787,11 @@ public class CraftBlock implements Block {
@Override
public void randomTick() {
+ // Folia start - region threading
+ if (this.world instanceof ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, this.position, "Cannot read world asynchronously");
+ }
+ // Folia end - region threading
net.minecraft.world.level.block.state.BlockState blockData = this.getNMS();
net.minecraft.server.level.ServerLevel level = this.world.getMinecraftWorld();
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
index d11d854ae90b99aa2ce227994d07fe1fe9b4a60a..6a6d95dcad917dd60b47236a130bcd2c9425a529 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
@@ -210,6 +210,12 @@ public class CraftBlockState implements BlockState {
LevelAccessor access = this.getWorldHandle();
CraftBlock block = this.getBlock();
+ // Folia start - region threading
+ if (access instanceof net.minecraft.server.level.ServerLevel serverWorld) {
+ io.papermc.paper.util.TickThread.ensureTickThread(serverWorld, position, "Cannot modify world asynchronously");
+ }
+ // Folia end - region threading
+
if (block.getType() != this.getType()) {
if (!force) {
return false;
@@ -350,6 +356,9 @@ public class CraftBlockState implements BlockState {
@Override
public java.util.Collection<org.bukkit.inventory.ItemStack> getDrops(org.bukkit.inventory.ItemStack item, org.bukkit.entity.Entity entity) {
+ // Folia start - region threading
+ io.papermc.paper.util.TickThread.ensureTickThread(world.getHandle(), position, "Cannot modify world asynchronously");
+ // Folia end - region threading
net.minecraft.world.item.ItemStack nms = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(item);
// Modelled off EntityHuman#hasBlock
diff --git a/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java b/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java
index 3e93a6c489972ff2b4ecff3d83cc72b2d5c970f8..66dc7e20544c7000f4824b02cc3a31bc5c87f74c 100644
--- a/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java
+++ b/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java
@@ -50,7 +50,7 @@ public class ConsoleCommandCompleter implements Completer {
return syncEvent.callEvent() ? syncEvent.getCompletions() : com.google.common.collect.ImmutableList.of();
}
};
- server.getServer().processQueue.add(syncCompletions);
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(syncCompletions); // Folia - region threading
try {
final List<String> legacyCompletions = syncCompletions.get();
completions.removeIf(it -> !legacyCompletions.contains(it.suggestion())); // remove any suggestions that were removed
@@ -98,7 +98,7 @@ public class ConsoleCommandCompleter implements Completer {
return tabEvent.isCancelled() ? Collections.EMPTY_LIST : tabEvent.getCompletions();
}
};
- server.getServer().processQueue.add(waitable); // Paper - Remove "this."
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(waitable); // Folia - region threading
try {
List<String> offers = waitable.get();
if (offers == null) {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 7cd7912cecbbbe2c32bfd9b85181115c6d316eb8..55ed79a802efa7a28cd487770a689119c64b7f40 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -234,6 +234,11 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
@Override
public boolean teleport(Location location, TeleportCause cause, io.papermc.paper.entity.TeleportFlag... flags) {
+ // Folia start - region threading
+ if (true) {
+ throw new UnsupportedOperationException("Must use teleportAsync while in region threading");
+ }
+ // Folia end - region threading
// Paper end
Preconditions.checkArgument(location != null, "location cannot be null");
location.checkFinite();
@@ -700,7 +705,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
ImmutableSet.Builder<Player> players = ImmutableSet.builder();
ServerLevel world = ((CraftWorld) this.getWorld()).getHandle();
- ChunkMap.TrackedEntity entityTracker = world.getChunkSource().chunkMap.entityMap.get(this.getEntityId());
+ ChunkMap.TrackedEntity entityTracker = this.getHandle().tracker; // Folia - region threading
if (entityTracker != null) {
for (ServerPlayerConnection connection : entityTracker.seenBy) {
@@ -994,7 +999,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
}
ServerLevel world = ((CraftWorld) this.getWorld()).getHandle();
- ChunkMap.TrackedEntity entityTracker = world.getChunkSource().chunkMap.entityMap.get(this.getEntityId());
+ ChunkMap.TrackedEntity entityTracker = this.getHandle().tracker; // Folia - region threading
if (entityTracker == null) {
return;
@@ -1062,30 +1067,43 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
Preconditions.checkArgument(location != null, "location");
location.checkFinite();
Location locationClone = location.clone(); // clone so we don't need to worry about mutations after this call.
-
- net.minecraft.server.level.ServerLevel world = ((CraftWorld)locationClone.getWorld()).getHandle();
+ // Folia start - region threading
java.util.concurrent.CompletableFuture<Boolean> ret = new java.util.concurrent.CompletableFuture<>();
-
- world.loadChunksForMoveAsync(getHandle().getBoundingBoxAt(locationClone.getX(), locationClone.getY(), locationClone.getZ()),
- this instanceof CraftPlayer ? ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGHER : ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.NORMAL, (list) -> {
- net.minecraft.server.level.ServerChunkCache chunkProviderServer = world.getChunkSource();
- for (net.minecraft.world.level.chunk.ChunkAccess chunk : list) {
- chunkProviderServer.addTicketAtLevel(net.minecraft.server.level.TicketType.POST_TELEPORT, chunk.getPos(), 33, CraftEntity.this.getEntityId());
- }
- net.minecraft.server.MinecraftServer.getServer().scheduleOnMain(() -> {
- try {
- ret.complete(CraftEntity.this.teleport(locationClone, cause) ? Boolean.TRUE : Boolean.FALSE);
- } catch (Throwable throwable) {
- if (throwable instanceof ThreadDeath) {
- throw (ThreadDeath)throwable;
- }
- net.minecraft.server.MinecraftServer.LOGGER.error("Failed to teleport entity " + CraftEntity.this, throwable);
- ret.completeExceptionally(throwable);
+ java.util.function.Consumer<Entity> run = (Entity nmsEntity) -> {
+ boolean success = nmsEntity.teleportAsync(
+ ((CraftWorld)locationClone.getWorld()).getHandle(),
+ new net.minecraft.world.phys.Vec3(locationClone.getX(), locationClone.getY(), locationClone.getZ()),
+ locationClone.getYaw(), locationClone.getPitch(), net.minecraft.world.phys.Vec3.ZERO,
+ cause == null ? TeleportCause.UNKNOWN : cause,
+ Entity.TELEPORT_FLAG_LOAD_CHUNK | Entity.TELEPORT_FLAG_UNMOUNT, // preserve behavior with old API: dismount the entity so it can teleport
+ (Entity entityTp) -> {
+ ret.complete(Boolean.TRUE);
}
- });
- });
+ );
+ if (!success) {
+ ret.complete(Boolean.FALSE);
+ }
+ };
+ if (org.bukkit.Bukkit.isOwnedByCurrentRegion(this)) {
+ run.accept(this.getHandle());
+ return ret;
+ }
+ boolean scheduled = this.taskScheduler.schedule(
+ // success
+ run,
+ // retired
+ (Entity nmsEntity) -> {
+ ret.complete(Boolean.FALSE);
+ },
+ 1L
+ );
+
+ if (!scheduled) {
+ ret.complete(Boolean.FALSE);
+ }
return ret;
+ // Folia end - region threading
}
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 616d2e479d91673695ade0db151a0099b568904f..14a5eda367dd46fe7c9b5f76df80840f938c06ea 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -560,7 +560,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
@Override
public void kickPlayer(String message) {
- org.spigotmc.AsyncCatcher.catchOp("player kick"); // Spigot
+ //org.spigotmc.AsyncCatcher.catchOp("player kick"); // Spigot // Folia - thread-safe now, as it will simply delay the kick
if (this.getHandle().connection == null) return;
this.getHandle().connection.disconnect(message == null ? "" : message, org.bukkit.event.player.PlayerKickEvent.Cause.PLUGIN); // Paper - kick event cause
@@ -1307,6 +1307,11 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
@Override
public boolean teleport(Location location, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause cause, io.papermc.paper.entity.TeleportFlag... flags) {
+ // Folia start - region threading
+ if (true) {
+ throw new UnsupportedOperationException("Must use teleportAsync while in region threading");
+ }
+ // Folia end - region threading
Set<io.papermc.paper.entity.TeleportFlag.Relative> relativeArguments;
Set<io.papermc.paper.entity.TeleportFlag> allFlags;
if (flags.length == 0) {
@@ -1953,7 +1958,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
private void unregisterEntity(Entity other) {
// Paper end
ChunkMap tracker = ((ServerLevel) this.getHandle().level()).getChunkSource().chunkMap;
- ChunkMap.TrackedEntity entry = tracker.entityMap.get(other.getId());
+ ChunkMap.TrackedEntity entry = other.tracker; // Folia - region threading
if (entry != null) {
entry.removePlayer(this.getHandle());
}
@@ -2050,7 +2055,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
if (original != null) otherPlayer.setUUID(original); // Paper - uuid override
}
- ChunkMap.TrackedEntity entry = tracker.entityMap.get(other.getId());
+ ChunkMap.TrackedEntity entry = other.tracker; // Folia - region threading
if (entry != null && !entry.seenBy.contains(this.getHandle().connection)) {
entry.updatePlayer(this.getHandle());
}
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index cb3e9672f375a1a660757a05362729ddb5ca7504..eb9146287d8d241273a3edec1ca8bd955106c186 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -942,7 +942,7 @@ public class CraftEventFactory {
return CraftEventFactory.handleBlockSpreadEvent(world, source, target, block, 2);
}
- public static BlockPos sourceBlockOverride = null; // SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPosition up to five methods deep.
+ public static final ThreadLocal<BlockPos> sourceBlockOverrideRT = new ThreadLocal<>(); // SPIGOT-7068: Add source block override, not the most elegant way but better than passing down a BlockPosition up to five methods deep. // Folia - region threading
public static boolean handleBlockSpreadEvent(LevelAccessor world, BlockPos source, BlockPos target, net.minecraft.world.level.block.state.BlockState block, int flag) {
// Suppress during worldgen
@@ -954,7 +954,7 @@ public class CraftEventFactory {
CraftBlockState state = CraftBlockStates.getBlockState(world, target, flag);
state.setData(block);
- BlockSpreadEvent event = new BlockSpreadEvent(state.getBlock(), CraftBlock.at(world, CraftEventFactory.sourceBlockOverride != null ? CraftEventFactory.sourceBlockOverride : source), state);
+ BlockSpreadEvent event = new BlockSpreadEvent(state.getBlock(), CraftBlock.at(world, CraftEventFactory.sourceBlockOverrideRT.get() != null ? CraftEventFactory.sourceBlockOverrideRT.get() : source), state); // Folia - region threading
Bukkit.getPluginManager().callEvent(event);
if (!event.isCancelled()) {
@@ -2140,7 +2140,7 @@ public class CraftEventFactory {
CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemStack.copyWithCount(1));
org.bukkit.event.block.BlockDispenseEvent event = new org.bukkit.event.block.BlockDispenseEvent(bukkitBlock, craftItem.clone(), CraftVector.toBukkit(to));
- if (!net.minecraft.world.level.block.DispenserBlock.eventFired) {
+ if (!net.minecraft.world.level.block.DispenserBlock.eventFired.get().booleanValue()) { // Folia - region threading
if (!event.callEvent()) {
return itemStack;
}
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
index e85b9bb3f9c225d289a4959921970b9963881199..b00e3b9b628f3d2a2fdbf1d2c77904963c16d3ac 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
@@ -532,6 +532,7 @@ public class CraftScheduler implements BukkitScheduler {
}
protected CraftTask handle(final CraftTask task, final long delay) { // Paper
+ if (true) throw new UnsupportedOperationException(); // Folia - region threading
// Paper start
if (!this.isAsyncScheduler && !task.isSync()) {
this.asyncScheduler.handle(task, delay);
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 1324f05de8106032ce290e928cf106fb4f450517..20178003ee9a0314266d4fc6a589e9d509a25072 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -382,6 +382,12 @@ public final class CraftMagicNumbers implements UnsafeValues {
String minimumVersion = MinecraftServer.getServer().server.minimumAPI;
int minimumIndex = CraftMagicNumbers.SUPPORTED_API.indexOf(minimumVersion);
+ // Folia start - block plugins not marked as supported
+ if (!pdf.isFoliaSupported()) {
+ throw new InvalidPluginException("Plugin " + pdf.getFullName() + " is not marked as supporting regionised multithreading");
+ }
+ // Folia end - block plugins not marked as supported
+
if (pdf.getAPIVersion() != null) {
int pluginIndex = CraftMagicNumbers.SUPPORTED_API.indexOf(pdf.getAPIVersion());
diff --git a/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java b/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java
index 86a20c91beff6b27e6ec886e49ba902b216106f2..96007426144b78f91c12614f04350855530cc70d 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java
@@ -69,6 +69,13 @@ public abstract class DelegatedGeneratorAccess implements WorldGenLevel {
this.handle = worldAccess;
}
+ // Folia start - region threading
+ @Override
+ public net.minecraft.world.level.StructureManager structureManager() {
+ return this.handle.structureManager();
+ }
+ // Folia end - region threading
+
public WorldGenLevel getHandle() {
return this.handle;
}
diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
index c39894e824334f1dc52e0466cf9d84f7e219be70..f8718d91f4c15c74d6e6dd5f60f7f05f45f63655 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -52,7 +52,7 @@ public class ActivationRange
RAIDER,
MISC;
- AABB boundingBox = new AABB( 0, 0, 0, 0, 0, 0 );
+ // Folia - threaded regions - replaced by local variable
}
// Paper start
@@ -65,26 +65,27 @@ public class ActivationRange
private static int checkInactiveWakeup(Entity entity) {
Level world = entity.level();
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - threaded regions
SpigotWorldConfig config = world.spigotConfig;
- long inactiveFor = MinecraftServer.currentTick - entity.activatedTick;
+ long inactiveFor = io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() - entity.activatedTick; // Folia - threaded regions
if (entity.activationType == ActivationType.VILLAGER) {
- if (inactiveFor > config.wakeUpInactiveVillagersEvery && world.wakeupInactiveRemainingVillagers > 0) {
- world.wakeupInactiveRemainingVillagers--;
+ if (inactiveFor > config.wakeUpInactiveVillagersEvery && worldData.wakeupInactiveRemainingVillagers > 0) { // Folia - threaded regions
+ worldData.wakeupInactiveRemainingVillagers--; // Folia - threaded regions
return config.wakeUpInactiveVillagersFor;
}
} else if (entity.activationType == ActivationType.ANIMAL) {
- if (inactiveFor > config.wakeUpInactiveAnimalsEvery && world.wakeupInactiveRemainingAnimals > 0) {
- world.wakeupInactiveRemainingAnimals--;
+ if (inactiveFor > config.wakeUpInactiveAnimalsEvery && worldData.wakeupInactiveRemainingAnimals > 0) { // Folia - threaded regions
+ worldData.wakeupInactiveRemainingAnimals--; // Folia - threaded regions
return config.wakeUpInactiveAnimalsFor;
}
} else if (entity.activationType == ActivationType.FLYING_MONSTER) {
- if (inactiveFor > config.wakeUpInactiveFlyingEvery && world.wakeupInactiveRemainingFlying > 0) {
- world.wakeupInactiveRemainingFlying--;
+ if (inactiveFor > config.wakeUpInactiveFlyingEvery && worldData.wakeupInactiveRemainingFlying > 0) { // Folia - threaded regions
+ worldData.wakeupInactiveRemainingFlying--; // Folia - threaded regions
return config.wakeUpInactiveFlyingFor;
}
} else if (entity.activationType == ActivationType.MONSTER || entity.activationType == ActivationType.RAIDER) {
- if (inactiveFor > config.wakeUpInactiveMonstersEvery && world.wakeupInactiveRemainingMonsters > 0) {
- world.wakeupInactiveRemainingMonsters--;
+ if (inactiveFor > config.wakeUpInactiveMonstersEvery && worldData.wakeupInactiveRemainingMonsters > 0) { // Folia - threaded regions
+ worldData.wakeupInactiveRemainingMonsters--; // Folia - threaded regions
return config.wakeUpInactiveMonstersFor;
}
}
@@ -92,7 +93,7 @@ public class ActivationRange
}
// Paper end
- static AABB maxBB = new AABB( 0, 0, 0, 0, 0, 0 );
+ // Folia - threaded regions - replaced by local variable
/**
* Initializes an entities type on construction to specify what group this
@@ -174,10 +175,11 @@ public class ActivationRange
final int waterActivationRange = world.spigotConfig.waterActivationRange;
final int flyingActivationRange = world.spigotConfig.flyingMonsterActivationRange;
final int villagerActivationRange = world.spigotConfig.villagerActivationRange;
- world.wakeupInactiveRemainingAnimals = Math.min(world.wakeupInactiveRemainingAnimals + 1, world.spigotConfig.wakeUpInactiveAnimals);
- world.wakeupInactiveRemainingVillagers = Math.min(world.wakeupInactiveRemainingVillagers + 1, world.spigotConfig.wakeUpInactiveVillagers);
- world.wakeupInactiveRemainingMonsters = Math.min(world.wakeupInactiveRemainingMonsters + 1, world.spigotConfig.wakeUpInactiveMonsters);
- world.wakeupInactiveRemainingFlying = Math.min(world.wakeupInactiveRemainingFlying + 1, world.spigotConfig.wakeUpInactiveFlying);
+ io.papermc.paper.threadedregions.RegionizedWorldData worldData = world.getCurrentWorldData(); // Folia - threaded regions
+ worldData.wakeupInactiveRemainingAnimals = Math.min(worldData.wakeupInactiveRemainingAnimals + 1, world.spigotConfig.wakeUpInactiveAnimals); // Folia - threaded regions
+ worldData.wakeupInactiveRemainingVillagers = Math.min(worldData.wakeupInactiveRemainingVillagers + 1, world.spigotConfig.wakeUpInactiveVillagers); // Folia - threaded regions
+ worldData.wakeupInactiveRemainingMonsters = Math.min(worldData.wakeupInactiveRemainingMonsters + 1, world.spigotConfig.wakeUpInactiveMonsters); // Folia - threaded regions
+ worldData.wakeupInactiveRemainingFlying = Math.min(worldData.wakeupInactiveRemainingFlying + 1, world.spigotConfig.wakeUpInactiveFlying); // Folia - threaded regions
final ServerChunkCache chunkProvider = (ServerChunkCache) world.getChunkSource();
// Paper end
@@ -191,9 +193,9 @@ public class ActivationRange
// Paper end
maxRange = Math.min( ( world.spigotConfig.simulationDistance << 4 ) - 8, maxRange );
- for ( Player player : world.players() )
+ for ( Player player : world.getLocalPlayers() ) // Folia - region threading
{
- player.activatedTick = MinecraftServer.currentTick;
+ player.activatedTick = io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick(); // Folia - region threading
if ( world.spigotConfig.ignoreSpectatorActivation && player.isSpectator() )
{
continue;
@@ -201,26 +203,33 @@ public class ActivationRange
// Paper start
int worldHeight = world.getHeight();
- ActivationRange.maxBB = player.getBoundingBox().inflate( maxRange, worldHeight, maxRange );
- ActivationType.MISC.boundingBox = player.getBoundingBox().inflate( miscActivationRange, worldHeight, miscActivationRange );
- ActivationType.RAIDER.boundingBox = player.getBoundingBox().inflate( raiderActivationRange, worldHeight, raiderActivationRange );
- ActivationType.ANIMAL.boundingBox = player.getBoundingBox().inflate( animalActivationRange, worldHeight, animalActivationRange );
- ActivationType.MONSTER.boundingBox = player.getBoundingBox().inflate( monsterActivationRange, worldHeight, monsterActivationRange );
- ActivationType.WATER.boundingBox = player.getBoundingBox().inflate( waterActivationRange, worldHeight, waterActivationRange );
- ActivationType.FLYING_MONSTER.boundingBox = player.getBoundingBox().inflate( flyingActivationRange, worldHeight, flyingActivationRange );
- ActivationType.VILLAGER.boundingBox = player.getBoundingBox().inflate( villagerActivationRange, worldHeight, villagerActivationRange );
+ AABB maxBB = player.getBoundingBox().inflate( maxRange, worldHeight, maxRange ); // Folia - threaded regions
+ AABB[] bbByType = new AABB[ActivationType.values().length];
+ bbByType[ActivationType.MISC.ordinal()] = player.getBoundingBox().inflate( miscActivationRange, worldHeight, miscActivationRange ); // Folia - threaded regions
+ bbByType[ActivationType.RAIDER.ordinal()] = player.getBoundingBox().inflate( raiderActivationRange, worldHeight, raiderActivationRange ); // Folia - threaded regions
+ bbByType[ActivationType.ANIMAL.ordinal()] = player.getBoundingBox().inflate( animalActivationRange, worldHeight, animalActivationRange ); // Folia - threaded regions
+ bbByType[ActivationType.MONSTER.ordinal()] = player.getBoundingBox().inflate( monsterActivationRange, worldHeight, monsterActivationRange ); // Folia - threaded regions
+ bbByType[ActivationType.WATER.ordinal()] = player.getBoundingBox().inflate( waterActivationRange, worldHeight, waterActivationRange ); // Folia - threaded regions
+ bbByType[ActivationType.FLYING_MONSTER.ordinal()] = player.getBoundingBox().inflate( flyingActivationRange, worldHeight, flyingActivationRange ); // Folia - threaded regions
+ bbByType[ActivationType.VILLAGER.ordinal()] = player.getBoundingBox().inflate( villagerActivationRange, worldHeight, villagerActivationRange ); // Folia - threaded regions
// Paper end
// Paper start
- java.util.List<Entity> entities = world.getEntities((Entity)null, ActivationRange.maxBB, null);
+ java.util.List<Entity> entities = new java.util.ArrayList<>(); // Folia - region ticking - bypass getEntities thread check, we perform a check on the entities later
+ ((net.minecraft.server.level.ServerLevel)world).getEntityLookup().getEntities((Entity)null, maxBB, entities, null); // Folia - region ticking - bypass getEntities thread check, we perform a check on the entities later
boolean tickMarkers = world.paperConfig().entities.markers.tick; // Paper - Configurable marker ticking
for (Entity entity : entities) {
// Paper start - Configurable marker ticking
+ // Folia start - region ticking
+ if (!io.papermc.paper.util.TickThread.isTickThreadFor(entity)) {
+ continue;
+ }
+ // Folia end - region ticking
if (!tickMarkers && entity instanceof net.minecraft.world.entity.Marker) {
continue;
}
// Paper end - Configurable marker ticking
- ActivationRange.activateEntity(entity);
+ ActivationRange.activateEntity(entity, bbByType); // Folia - threaded regions
}
// Paper end
}
@@ -232,18 +241,18 @@ public class ActivationRange
*
* @param chunk
*/
- private static void activateEntity(Entity entity)
+ private static void activateEntity(Entity entity, AABB[] bbByType) // Folia - threaded regions
{
- if ( MinecraftServer.currentTick > entity.activatedTick )
+ if ( io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() > entity.activatedTick ) // Folia - threaded regions
{
if ( entity.defaultActivationState )
{
- entity.activatedTick = MinecraftServer.currentTick;
+ entity.activatedTick = io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick(); // Folia - threaded regions
return;
}
- if ( entity.activationType.boundingBox.intersects( entity.getBoundingBox() ) )
+ if ( bbByType[entity.activationType.ordinal()].intersects( entity.getBoundingBox() ) ) // Folia - threaded regions
{
- entity.activatedTick = MinecraftServer.currentTick;
+ entity.activatedTick = io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick(); // Folia - threaded regions
}
}
}
@@ -266,10 +275,10 @@ public class ActivationRange
if (entity.getRemainingFireTicks() > 0) {
return 2;
}
- if (entity.activatedImmunityTick >= MinecraftServer.currentTick) {
+ if (entity.activatedImmunityTick >= io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick()) { // Folia - threaded regions
return 1;
}
- long inactiveFor = MinecraftServer.currentTick - entity.activatedTick;
+ long inactiveFor = io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() - entity.activatedTick; // Folia - threaded regions
// Paper end
// quick checks.
if ( (entity.activationType != ActivationType.WATER && entity.wasTouchingWater && entity.isPushedByFluid()) ) // Paper
@@ -392,19 +401,19 @@ public class ActivationRange
}
// Paper end
- boolean isActive = entity.activatedTick >= MinecraftServer.currentTick;
+ boolean isActive = entity.activatedTick >= io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick(); // Folia - threaded regions
entity.isTemporarilyActive = false; // Paper
// Should this entity tick?
if ( !isActive )
{
- if ( ( MinecraftServer.currentTick - entity.activatedTick - 1 ) % 20 == 0 )
+ if ( ( io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() - entity.activatedTick - 1 ) % 20 == 0 ) // Folia - threaded regions
{
// Check immunities every 20 ticks.
// Paper start
int immunity = checkEntityImmunities(entity);
if (immunity >= 0) {
- entity.activatedTick = MinecraftServer.currentTick + immunity;
+ entity.activatedTick = io.papermc.paper.threadedregions.RegionizedServer.getCurrentTick() + immunity; // Folia - threaded regions
} else {
entity.isTemporarilyActive = true;
}
diff --git a/src/main/java/org/spigotmc/SpigotCommand.java b/src/main/java/org/spigotmc/SpigotCommand.java
index ac0fd418fcb437896dfdff53ab3eff19833d25fb..130220977477a5d8d51e17dcb989ae0c858643cb 100644
--- a/src/main/java/org/spigotmc/SpigotCommand.java
+++ b/src/main/java/org/spigotmc/SpigotCommand.java
@@ -29,6 +29,7 @@ public class SpigotCommand extends Command {
Command.broadcastCommandMessage(sender, ChatColor.RED + "Please note that this command is not supported and may cause issues.");
Command.broadcastCommandMessage(sender, ChatColor.RED + "If you encounter any issues please use the /stop command to restart your server.");
+ io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading
MinecraftServer console = MinecraftServer.getServer();
org.spigotmc.SpigotConfig.init((File) console.options.valueOf("spigot-settings"));
for (ServerLevel world : console.getAllLevels()) {
@@ -37,6 +38,7 @@ public class SpigotCommand extends Command {
console.server.reloadCount++;
Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Reload complete.");
+ }); // Folia - region threading
}
return true;
diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
index 6c260403d91d640da0473a3df56e1c5582459fde..f685fd53ef631b32b6c51dfc7f0d847ed2dc9658 100644
--- a/src/main/java/org/spigotmc/SpigotConfig.java
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
@@ -228,7 +228,7 @@ public class SpigotConfig
SpigotConfig.restartOnCrash = SpigotConfig.getBoolean( "settings.restart-on-crash", SpigotConfig.restartOnCrash );
SpigotConfig.restartScript = SpigotConfig.getString( "settings.restart-script", SpigotConfig.restartScript );
SpigotConfig.restartMessage = SpigotConfig.transform( SpigotConfig.getString( "messages.restart", "Server is restarting" ) );
- SpigotConfig.commands.put( "restart", new RestartCommand( "restart" ) );
+ // SpigotConfig.commands.put( "restart", new RestartCommand( "restart" ) ); // Folia - region threading
// WatchdogThread.doStart( SpigotConfig.timeoutTime, SpigotConfig.restartOnCrash ); // Paper - moved to after paper config initialization
}
@@ -283,7 +283,7 @@ public class SpigotConfig
private static void tpsCommand()
{
- SpigotConfig.commands.put( "tps", new TicksPerSecondCommand( "tps" ) );
+ //SpigotConfig.commands.put( "tps", new TicksPerSecondCommand( "tps" ) ); // Folia - region threading
}
public static int playerSample;
diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
index 1cf6d4f854d89c515e48e1fb365eb95ff9340765..efe5b848a8e3645cae10c435196c8189b7422f45 100644
--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
@@ -435,7 +435,7 @@ public class SpigotWorldConfig
this.otherMultiplier = (float) this.getDouble( "hunger.other-multiplier", 0.0 );
}
- public int currentPrimedTnt = 0;
+ //public int currentPrimedTnt = 0; // Folia - region threading - moved to regionised world data
public int maxTntTicksPerTick;
private void maxTntPerTick() {
if ( SpigotConfig.version < 7 )
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