From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Spottedleaf 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 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} + *

+ * 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. + *

+ */ + 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 { return null; } + protected final V remove(final long key, final int hash, final V expect) { + final TableEntry[] table = this.getTablePlain(); + final int index = (table.length - 1) & hash; + + final TableEntry 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 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 { 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 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 awaiting = new LinkedSortedSet<>(TICK_COMPARATOR_BY_TIME); + private final PriorityQueue 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}. + *

+ * A tickable task is expected to run on a fixed interval, which is determined by + * the {@link SchedulerThreadPool}. + *

+ *

+ * 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. + *

+ *

+ * 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. + *

+ */ + 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 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. + *

+ * It is the callee's responsibility to invoke {@link #setScheduledStart(long)} to adjust the start of + * the next tick. + *

+ * @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. + *

+ * stateTarget = null + *

+ */ + private static final int STATE_IDLE = 0; + + /** + * The runner is waiting to tick a task, as it has no intermediate tasks to execute. + *

+ * stateTarget = the task awaiting tick + *

+ */ + private static final int STATE_AWAITING_TICK = 1; + + /** + * The runner is executing a tick for one of the tasks that was in its runqueue. + *

+ * stateTarget = the task being ticked + *

+ */ + 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 9f17170179cc99d84ad25a1e838aff3d8cc66f93..780c31121ea62d986fe6918c095f61797083d1da 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 e83f9517b31c5171b8dc75ab63a5bfe654221c84..49a52225643a1ec114d35fb4e26782d480f8f25b 100644 --- a/src/main/java/io/papermc/paper/adventure/ChatProcessor.java +++ b/src/main/java/io/papermc/paper/adventure/ChatProcessor.java @@ -83,7 +83,7 @@ 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() { @@ -150,7 +150,7 @@ 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() { @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 callbacks = new HashMap<>(); - private final Queue queue = new ConcurrentLinkedQueue<>(); + private final java.util.concurrent.ConcurrentHashMap callbacks = new java.util.concurrent.ConcurrentHashMap<>(); // Folia - region threading + // Folia - region threading private CallbackManager() { } public UUID addCallback(final @NotNull ClickCallback 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 e3f56908cc8a9c3f4580def50fcfdc61bd495a71..175aec52539490eeb71b6c8c5ad1bb40918a80ff 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) { @@ -89,35 +92,40 @@ 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; chunk.level.chunkSource.chunkMap.tickingGenerated.incrementAndGet(); } 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 149cfb0587299f72fcfddf395fb71b70438986c1..239475187fdf0d05823b31e2068651559d3497e5 100644 --- a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java +++ b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java @@ -221,6 +221,7 @@ 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(); } } @@ -234,7 +235,7 @@ 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(); @@ -313,7 +314,7 @@ 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 { @Override public Iterable 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 { 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 { } 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.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 { 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 { @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 { 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 pendingFullLoadUpdate = new ArrayDeque<>(); - private final ObjectRBTreeSet 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 pendingFullLoadUpdate = new ArrayDeque<>(); + private final ObjectRBTreeSet 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 regionToData, + final ReferenceOpenHashSet 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 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 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 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 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 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> expireNow = (final Ticket ticket) -> { @@ -716,12 +829,12 @@ public final class ChunkHolderManager { return --ticket.removeDelay <= 0L; }; - for (final Iterator 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 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 pendingFullLoadUpdate = this.pendingFullLoadUpdate; - for (int i = 0, len = changedFullStatus.size(); i < len; ++i) { - pendingFullLoadUpdate.add(changedFullStatus.get(i)); + // Folia start - region threading + final Long2ObjectOpenHashMap> sectionToUpdates = new Long2ObjectOpenHashMap<>(); + final List thisRegionHolders = new ArrayList<>(); + + final int regionShift = this.world.getRegionChunkShift(); + final ThreadedRegionizer.ThreadedRegion 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>> iterator = sectionToUpdates.long2ObjectEntrySet().fastIterator(); + iterator.hasNext();) { + final Long2ObjectMap.Entry> entry = iterator.next(); + final long sectionKey = entry.getLongKey(); + + final int chunkX = CoordinateUtils.getChunkX(sectionKey) << regionShift; + final int chunkZ = CoordinateUtils.getChunkZ(sectionKey) << regionShift; + + final List 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 unloadSectionsForRegion = this.unloadQueue.retrieveForAllRegions(); + final List 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 pendingFullLoadUpdate = this.pendingFullLoadUpdate; + // Folia start - region threading + final HolderManagerRegionData data = this.getCurrentRegionData(); + if (data == null) { + return false; + } + final ArrayDeque 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 retrieveForCurrentRegion() { + final ThreadedRegionizer.ThreadedRegion region = + TickRegionScheduler.getCurrentRegion(); + final ThreadedRegionizer regionizer = region.regioniser; + final int shift = this.coordinateShift; + + final List ret = new ArrayList<>(); + + for (final Map.Entry 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 049e20407033073b06fcdeb46c38485f4926d778..8288ab66f0996eca844b2bf63c1422c2657b8612 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 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 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 loadCallback = (final ChunkAccess chunk) -> { + final Consumer 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 56b07a3306e5735816c8d89601b519cb0db6379a..014cacbcb537a30566ab756bd884a20c256f9c4c 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 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 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 2874bc3001c4e7d9191e47ba512c5a68369c21f1..dc7000152dba9474e6d6cec547629dd33aa7f500 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 efc91ff91827872c62b8bd060282549ccdcf67dd..9534308bb0a34761f70241b1ba993b814d989753 100644 --- a/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java +++ b/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java @@ -471,6 +471,14 @@ 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 3e82ea07ca4194844c5528446e2c4a46ff4acee5..adfd4c16809f6ddd9cc73e4bd845d7aed4925068 100644 --- a/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java +++ b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java @@ -256,12 +256,7 @@ 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 shuttingDown; + + public RegionShutdownThread(final String name) { + super(name); + this.setUncaughtExceptionHandler((thread, thr) -> { + LOGGER.error("Error shutting down server", thr); + }); + } + + static ThreadedRegionizer.ThreadedRegion 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 region, + final ServerLevel world) { + try { + this.shuttingDown = region; + final List 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 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> + regions = new ArrayList<>(); + world.regioniser.computeForAllRegionsUnsynchronised(regions::add); + + for (int i = 0, len = regions.size(); i < len; ++i) { + final ThreadedRegionizer.ThreadedRegion region = regions.get(i); + this.finishTeleportations(region, world); + } + + for (int i = 0, len = regions.size(); i < len; ++i) { + final ThreadedRegionizer.ThreadedRegion 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. + *

+ * Note: 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. + *

+ *

+ * Note: 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. + *

+ *

+ * Regionised data may be world-checked. 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: + * 

+ *         {@code
+ *         public class EntityTickList {
+ *             private final List 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 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 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 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 =
+ *                  new RegionizedData<>(null, () -> new TickTimes(), ...);
+ *         }
+ *         }
+ *
+ * In general, it is advised that if a RegionizedData object is instantiated per world, that world checking + * is enabled for it by passing the world to the constructor. + *

+ */ +public final class RegionizedData { + + private final ServerLevel world; + private final Supplier initialValueSupplier; + private final RegioniserCallback callback; + + /** + * Creates a regionised data holder. The provided initial value supplier may not be null, and it must + * never produce {@code null} values. + *

+ * 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. + *

+ *

+ * 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 and region, + * however using {@code null} for tasks to run at the end of a tick is valid since the tasks are tied to + * region only. + *

+ * @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 supplier, final RegioniserCallback 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 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 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. + *

+ * It is critical to note that each function is called while holding the region lock. + *

+ */ + public static interface RegioniserCallback { + + /** + * Completely merges the data in {@code from} to {@code into}. + *

+ * Calculating Tick Offsets: + * 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}. + *

+ *

+ * Critical Notes: + *

  • + *
      + * 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. + *
    + *
      + * This function may not throw any exceptions, or the server will be left in an unrecoverable state. + *
    + *
    • + *

    + * + * @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}. + *

    + * 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: + * 

    +         *         {@code
+         *         int chunkX = ...;
+         *         int chunkZ = ...;
+         *
+         *         int regionSectionX = chunkX >> chunkToRegionShift;
+         *         int regionSectionZ = chunkZ >> chunkToRegionShift;
+         *         long regionSectionKey = io.papermc.paper.util.CoordinateUtils.getChunkKey(regionSectionX, regionSectionZ);
+         *         }
+         *
    + *

    + *

    + * 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. + *

    + *

    + * 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. + *

    + * + * @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 regionToData, final ReferenceOpenHashSet 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 worlds = new CopyOnWriteArrayList<>(); + private final CopyOnWriteArrayList connections = new CopyOnWriteArrayList<>(); + + private final MultiThreadedQueue 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 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> 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 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 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 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 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 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 globalChunkTask = new MultiThreadedQueue<>(); + private final java.util.concurrent.ConcurrentHashMap 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 regioniser = this.world.regioniser; + final ThreadedRegionizer.ThreadedRegion 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 regioniser, + final Long2ReferenceOpenHashMap> 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[] 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 queue : this.queues) { + ret += queue.size(); + } + + return ret; + } + } + + public boolean isEmpty() { + final ArrayDeque[] 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[] thisQueues) { + synchronized (target) { + final ArrayDeque[] otherQueues = target.queues; + for (int i = 0; i < thisQueues.length; ++i) { + final ArrayDeque fromQ = thisQueues[i]; + final ArrayDeque 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 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 regioniser, + final Long2ReferenceOpenHashMap> into) { + final Reference2ReferenceOpenHashMap, ArrayDeque[]> + 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[] thisQueues = this.queues; + for (int i = 0; i < thisQueues.length; ++i) { + final ArrayDeque 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 + region = into.get(sectionKey); + if (region == null) { + throw new IllegalStateException(); + } + + split.computeIfAbsent(region, (keyInMap) -> { + final ArrayDeque[] 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, ArrayDeque[]>> + iterator = split.reference2ReferenceEntrySet().fastIterator(); + iterator.hasNext();) { + final Reference2ReferenceMap.Entry, ArrayDeque[]> + 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[] 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[] 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 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..245efed41de40dc506301af942a7f3c3a2b60d65 --- /dev/null +++ b/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java @@ -0,0 +1,794 @@ +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.pathfinder.PathTypeCache; +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 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 iterator = from.entityTickList.unsafeIterator(); iterator.hasNext();) { + into.entityTickList.add(iterator.next()); + } + for (final Iterator 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 iterator = from.entityTickingChunks.unsafeIterator(); iterator.hasNext();) { + into.entityTickingChunks.add(iterator.next()); + } + for (final Iterator 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 regionToData, + final ReferenceOpenHashSet 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> levelTicksBlockRegionData = new Long2ReferenceOpenHashMap<>(regionToData.size(), 0.75f); + final Long2ReferenceOpenHashMap> levelTicksFluidRegionData = new Long2ReferenceOpenHashMap<>(regionToData.size(), 0.75f); + + for (final Iterator> iterator = regionToData.long2ReferenceEntrySet().fastIterator(); + iterator.hasNext();) { + final Long2ReferenceMap.Entry 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 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 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 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 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 localPlayers = new ArrayList<>(); + private final NearbyPlayers nearbyPlayers; + private final ReferenceList allEntities = new ReferenceList<>(); + private final ReferenceList loadedEntities = new ReferenceList<>(); + private final ReferenceList toProcessTrackingUnloading = new ReferenceList<>(); + private final IteratorSafeOrderedReferenceSet entityTickList = new IteratorSafeOrderedReferenceSet<>(); + private final IteratorSafeOrderedReferenceSet navigatingMobs = new IteratorSafeOrderedReferenceSet<>(); + + // block ticking + private final ObjectLinkedOpenHashSet blockEvents = new ObjectLinkedOpenHashSet<>(); + private final LevelTicks blockLevelTicks; + private final LevelTicks fluidLevelTicks; + + // tile entity ticking + private final List pendingBlockEntityTickers = new ArrayList<>(); + private final List 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 entityTickingChunks = new IteratorSafeOrderedReferenceSet<>(); + private final IteratorSafeOrderedReferenceSet tickingChunks = new IteratorSafeOrderedReferenceSet<>(); + private final IteratorSafeOrderedReferenceSet 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 capturedBlockStates = new java.util.LinkedHashMap<>(); // Paper + public final Map capturedTileEntities = new java.util.LinkedHashMap<>(); // Paper + public List captureDrops; + // Paper start + public int wakeupInactiveRemainingAnimals; + public int wakeupInactiveRemainingFlying; + public int wakeupInactiveRemainingMonsters; + public int wakeupInactiveRemainingVillagers; + // Paper end + public final TempCollisionList tempCollisionList = new TempCollisionList<>(); + public final TempCollisionList tempEntitiesList = new TempCollisionList<>(); + public int currentPrimedTnt = 0; // Spigot + @Nullable + @VisibleForDebug + public NaturalSpawner.SpawnState lastSpawnState; + public boolean shouldSignal = true; + public final Map explosionDensityCache = new HashMap<>(64, 0.25f); + public final PathTypeCache pathTypesByPosCache = new PathTypeCache(); + + // not transient + public java.util.ArrayDeque redstoneUpdateInfos; + public final Long2IntOpenHashMap chunksBeingWorkedOn = new Long2IntOpenHashMap(); + + public static final class TempCollisionList { + final UnsafeList list = new UnsafeList<>(64); + boolean inUse; + + public UnsafeList get() { + if (this.inUse) { + return new UnsafeList<>(16); + } + this.inUse = true; + return this.list; + } + + public void ret(List 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 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 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 getLocalEntities() { + return this.allEntities; + } + + public Entity[] getLocalEntitiesCopy() { + return Arrays.copyOf(this.allEntities.getRawData(), this.allEntities.size(), Entity[].class); + } + + public List 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 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 action) { + final IteratorSafeOrderedReferenceSet.Iterator 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 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 blockEvents) { + for (final BlockEventData blockEventData : blockEvents) { + this.pushBlockEvent(blockEventData); + } + } + + public void removeIfBlockEvents(final Predicate predicate) { + for (final Iterator 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 getBlockLevelTicks() { + return this.blockLevelTicks; + } + + public LevelTicks 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 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 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 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 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 onComplete) { + // retrieve coordinates + final Completable 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, 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> sections = new SWMRLong2ObjectHashTable<>(); + private final SWMRLong2ObjectHashTable> regionsById = new SWMRLong2ObjectHashTable<>(); + private final RegionCallbacks callbacks; + private final StampedLock regionLock = new StampedLock(); + private Thread writeLockOwner; + + /* + static final record Operation(String type, int chunkX, int chunkZ) {} + private final MultiThreadedQueue 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 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 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 region) { + final ThreadedRegion 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 region) { + final ThreadedRegion 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> consumer) { + this.regionLock.readLock(); + try { + this.regionsById.forEachValue(consumer); + } finally { + this.regionLock.tryUnlockRead(); + } + } + + public void computeForAllRegionsUnsynchronised(final Consumer> consumer) { + this.regionsById.forEachValue(consumer); + } + + public int computeForRegions(final int fromChunkX, final int fromChunkZ, final int toChunkX, final int toChunkZ, + final Consumer>> 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> set = new ReferenceOpenHashSet<>(); + + for (int currZ = fromSectionZ; currZ <= toSectionZ; ++currZ) { + for (int currX = fromSectionX; currX <= toSectionX; ++currX) { + final ThreadedRegionSection 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 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 section = this.sections.get(sectionKey); + + return section == null ? null : section.getRegion(); + } + + public ThreadedRegion 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 optimisticSection = this.sections.get(sectionKey); + final ThreadedRegion 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 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. + * + *

    + * Note that it is illegal to additionally call addChunk or removeChunk for the same + * region section in parallel. + *

    + */ + 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 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 section = this.sections.get(sectionKey); + + List> 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> 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 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 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 firstUnlockedRegion = null; + + for (final ThreadedRegion 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 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 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 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 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> expectingMergeFrom = region.expectingMergeFrom.clone(); + for (final ThreadedRegion 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 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> 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>> 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> currRegion = new ArrayList<>(); + final Iterator> firstIterator = recalculateSections.values().iterator(); + + currRegion.add(firstIterator.next()); + firstIterator.remove(); + search_loop: + for (int idx = 0; idx < currRegion.size(); ++idx) { + final ThreadedRegionSection 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 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> 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> newRegionsMap = new Long2ReferenceOpenHashMap<>(); + final ReferenceOpenHashSet> newRegionsSet = new ReferenceOpenHashSet<>(newRegionObjects); + + for (int i = 0, len = newRegions.size(); i < len; i++) { + final List> sections = newRegions.get(i); + final ThreadedRegion newRegion = newRegionObjects.get(i); + + for (final ThreadedRegionSection section : sections) { + section.setRegionRelease(null); + newRegion.addSection(section); + final ThreadedRegion 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 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, 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> sectionByKey = new Long2ReferenceOpenHashMap<>(); + private final ReferenceOpenHashSet> deadSections = new ReferenceOpenHashSet<>(); + + public final ThreadedRegionizer regioniser; + + private final R data; + + private final ReferenceOpenHashSet> mergeIntoLater = new ReferenceOpenHashSet<>(); + private final ReferenceOpenHashSet> expectingMergeFrom = new ReferenceOpenHashSet<>(); + + public ThreadedRegion(final ThreadedRegionizer 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 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> into, final ReferenceOpenHashSet> regions) { + if (this.data != null) { + this.data.split(this.regioniser, into, regions); + } + } + + boolean killAndMergeInto(final ThreadedRegion 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 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 section : this.sectionByKey.values()) { + section.setRegionRelease(null); + mergeTarget.addSection(section); + } + for (final ThreadedRegionSection 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 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 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 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 section) { + this.deadSections.remove(section); + } + + private void addDeadSection(final ThreadedRegionSection section) { + this.deadSections.add(section); + } + + private void addSection(final ThreadedRegionSection 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> iterator = this.sectionByKey.values().iterator(); iterator.hasNext();) { + final ThreadedRegionSection section = iterator.next(); + + ret.append(section.toString()); + if (iterator.hasNext()) { + ret.append(','); + } + } + ret.append(']'); + + ret.append('}'); + return ret.toString(); + } + } + + public static final class ThreadedRegionSection, 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 region; + private static final VarHandle REGION_HANDLE = ConcurrentUtil.getVarHandle(ThreadedRegionSection.class, "region", ThreadedRegion.class); + + public final ThreadedRegionizer regioniser; + + private final int regionChunkShift; + private final int regionChunkMask; + + private final S data; + + private ThreadedRegion getRegionPlain() { + return (ThreadedRegion)REGION_HANDLE.get(this); + } + + private ThreadedRegion getRegionAcquire() { + return (ThreadedRegion)REGION_HANDLE.getAcquire(this); + } + + private void setRegionRelease(final ThreadedRegion 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 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 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 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 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, S extends ThreadedRegionSectionData> { + + /** + * Splits this region data into the specified regions set. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @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 regioniser, final Long2ReferenceOpenHashMap> into, + final ReferenceOpenHashSet> 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. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @param into Specified region. + */ + public void mergeInto(final ThreadedRegion into); + } + + public static interface ThreadedRegionSectionData {} + + public static interface RegionCallbacks, S extends ThreadedRegionSectionData> { + + /** + * Creates new section data for the specified section x and section z. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @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. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @param forRegion The region to create the data for. + * @return New region data, may be {@code null}. + */ + public R createNewData(final ThreadedRegion 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. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @param region The region that was created. + */ + public void onRegionCreate(final ThreadedRegion 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. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @param region The region that is about to be destroyed. + */ + public void onRegionDestroy(final ThreadedRegion 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. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @param region The region that is now active. + */ + public void onRegionActive(final ThreadedRegion 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. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @param region The region that is now inactive. + */ + public void onRegionInactive(final ThreadedRegion 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. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @param from The region that will be merged into the target. + * @param into The target of the merge. + */ + public void preMerge(final ThreadedRegion from, final ThreadedRegion 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. + *

    + * Note: + *

    + *

    + * 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. + *

    + * @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 from, final List> 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 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 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 collapsedData = new ArrayList<>(); + for (int i = 0, len = allData.size(); i < len; ++i) { + final List 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 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 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 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 { + + 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 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 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 region) { + // nothing for now + } + + @Override + public void onRegionActive(final ThreadedRegionizer.ThreadedRegion region) { + final TickRegionData data = region.getData(); + + data.tickHandle.checkInitialSchedule(); + scheduler.scheduleRegion(data.tickHandle); + } + + @Override + public void onRegionInactive(final ThreadedRegionizer.ThreadedRegion 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 from, + final ThreadedRegionizer.ThreadedRegion into) { + + } + + @Override + public void preSplit(final ThreadedRegionizer.ThreadedRegion from, + final java.util.List> 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 { + + 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 region; + public final ServerLevel world; + + // generic regionised data + private final Reference2ReferenceOpenHashMap, 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 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 getRegionizedData(final RegionizedData regionizedData) { + return (T)this.regionizedData.get(regionizedData); + } + + T getOrCreateRegionizedData(final RegionizedData 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 regioniser, + final Long2ReferenceOpenHashMap> into, + final ReferenceOpenHashSet> 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 region : regions) { + final TickRegionData data = region.getData(); + data.tickHandle.copyDeadlineAndTickCount(this.tickHandle); + } + + // generic regionised data + for (final Iterator, Object>> dataIterator = this.regionizedData.reference2ReferenceEntrySet().fastIterator(); + dataIterator.hasNext();) { + final Reference2ReferenceMap.Entry, Object> regionDataEntry = dataIterator.next(); + final RegionizedData data = regionDataEntry.getKey(); + final Object from = regionDataEntry.getValue(); + + final ReferenceOpenHashSet dataSet = new ReferenceOpenHashSet<>(regions.size(), 0.75f); + + for (final ThreadedRegionizer.ThreadedRegion region : regions) { + dataSet.add(region.getData().getOrCreateRegionizedData(data)); + } + + final Long2ReferenceOpenHashMap regionToData = new Long2ReferenceOpenHashMap<>(into.size(), 0.75f); + + for (final Iterator>> regionIterator = into.long2ReferenceEntrySet().fastIterator(); + regionIterator.hasNext();) { + final Long2ReferenceMap.Entry> entry = regionIterator.next(); + final ThreadedRegionizer.ThreadedRegion region = entry.getValue(); + final Object to = region.getData().getOrCreateRegionizedData(data); + + regionToData.put(entry.getLongKey(), to); + } + + ((RegionizedData)data).getCallback().split(from, shift, regionToData, dataSet); + } + + // chunk holder manager data + { + final ReferenceOpenHashSet dataSet = new ReferenceOpenHashSet<>(regions.size(), 0.75f); + + for (final ThreadedRegionizer.ThreadedRegion region : regions) { + dataSet.add(region.getData().holderManagerRegionData); + } + + final Long2ReferenceOpenHashMap regionToData = new Long2ReferenceOpenHashMap<>(into.size(), 0.75f); + + for (final Iterator>> regionIterator = into.long2ReferenceEntrySet().fastIterator(); + regionIterator.hasNext();) { + final Long2ReferenceMap.Entry> entry = regionIterator.next(); + final ThreadedRegionizer.ThreadedRegion 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 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, Object>> iterator = this.regionizedData.reference2ReferenceEntrySet().fastIterator(); + iterator.hasNext();) { + final Reference2ReferenceMap.Entry, Object> entry = iterator.next(); + final RegionizedData regionizedData = entry.getKey(); + final Object from = entry.getValue(); + final Object to = into.getData().getOrCreateRegionizedData(regionizedData); + + ((RegionizedData)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 TWO_DECIMAL_PLACES = ThreadLocal.withInitial(() -> { + return new DecimalFormat("#,##0.00"); + }); + private static final ThreadLocal ONE_DECIMAL_PLACES = ThreadLocal.withInitial(() -> { + return new DecimalFormat("#,##0.0"); + }); + private static final ThreadLocal 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("/ [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 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> 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 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 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, 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, TickData.TickReportData> + pair = regionsBelowThreshold.get(i); + + final TickData.TickReportData report = pair.right(); + final ThreadedRegionizer.ThreadedRegion 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 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 getSortedList(final Iterable iterable) { + final List ret = new ArrayList<>(); + for (final String val : iterable) { + ret.add(val); + } + + ret.sort(String.CASE_INSENSITIVE_ORDER); + + return ret; + } + + public static List getSortedList(final Iterable iterable, final String prefix) { + final List 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 List getSortedList(final Iterable iterable, final Function transform) { + final List 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 List getSortedList(final Iterable iterable, final Function transform, final String prefix) { + final List 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_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 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 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 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 REGIONISER_CALLBACK = new RegionizedData.RegioniserCallback<>() { + @Override + public void merge(final Scheduler from, final Scheduler into, final long fromTickOffset) { + for (final Iterator>>> sectionIterator = from.tasksByDeadlineBySection.long2ObjectEntrySet().fastIterator(); + sectionIterator.hasNext();) { + final Long2ObjectMap.Entry>> entry = sectionIterator.next(); + final long sectionKey = entry.getLongKey(); + final Long2ObjectOpenHashMap> section = entry.getValue(); + + final Long2ObjectOpenHashMap> sectionAdjusted = new Long2ObjectOpenHashMap<>(section.size()); + + for (final Iterator>> iterator = section.long2ObjectEntrySet().fastIterator(); + iterator.hasNext();) { + final Long2ObjectMap.Entry> e = iterator.next(); + final long newTick = e.getLongKey() + fromTickOffset; + final List tasks = e.getValue(); + + sectionAdjusted.put(newTick, tasks); + } + + into.tasksByDeadlineBySection.put(sectionKey, sectionAdjusted); + } + } + + @Override + public void split(final Scheduler from, final int chunkToRegionShift, final Long2ReferenceOpenHashMap regionToData, + final ReferenceOpenHashSet dataSet) { + for (final Scheduler into : dataSet) { + into.tickCount = from.tickCount; + } + + for (final Iterator>>> sectionIterator = from.tasksByDeadlineBySection.long2ObjectEntrySet().fastIterator(); + sectionIterator.hasNext();) { + final Long2ObjectMap.Entry>> entry = sectionIterator.next(); + final long sectionKey = entry.getLongKey(); + final Long2ObjectOpenHashMap> 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>> 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> 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 run = new ArrayList<>(); + + for (final Iterator>>> sectionIterator = this.tasksByDeadlineBySection.long2ObjectEntrySet().fastIterator(); + sectionIterator.hasNext();) { + final Long2ObjectMap.Entry>> entry = sectionIterator.next(); + final long sectionKey = entry.getLongKey(); + final Long2ObjectOpenHashMap> section = entry.getValue(); + + final List 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 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 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 TEMP_COLLISION_LIST = new UnsafeList<>(1024); - static boolean tempCollisionListInUse; + // Folia - region threading public static UnsafeList 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 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 TEMP_GET_ENTITIES_LIST = new UnsafeList<>(1024); - static boolean tempGetEntitiesListInUse; + // Folia - region threading public static UnsafeList 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 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 ee8e9c0e3690e78f3cc621ddfca89ea4256d4803..c3271b6048cf61d7d4e5fa66c5f925c1c8c82ca6 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 1d6b3fe2ce240af4ede61588795456b046eee6c9..bb915f30997059f22c9002b1ddc1c3aecbf4e979 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 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 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 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 implements Iterable { + + public final Comparator comparator; + + protected Link head; + protected Link tail; + + public LinkedSortedSet() { + this((Comparator)Comparator.naturalOrder()); + } + + public LinkedSortedSet(final Comparator comparator) { + this.comparator = comparator; + } + + public void clear() { + this.head = this.tail = null; + } + + public boolean isEmpty() { + return this.head == null; + } + + public E first() { + final Link head = this.head; + return head == null ? null : head.element; + } + + public E last() { + final Link tail = this.tail; + return tail == null ? null : tail.element; + } + + public boolean containsFirst(final E element) { + final Comparator comparator = this.comparator; + for (Link 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 comparator = this.comparator; + for (Link curr = this.tail; curr != null; curr = curr.prev) { + if (comparator.compare(element, curr.element) == 0) { + return true; + } + } + return false; + } + + private void removeNode(final Link node) { + final Link prev = node.prev; + final Link 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 link) { + if (link.element == null) { + return false; + } + + this.removeNode(link); + return true; + } + + public boolean removeFirst(final E element) { + final Comparator comparator = this.comparator; + for (Link 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 comparator = this.comparator; + for (Link 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 iterator() { + return new Iterator<>() { + private Link next = LinkedSortedSet.this.head; + + @Override + public boolean hasNext() { + return this.next != null; + } + + @Override + public E next() { + final Link next = this.next; + if (next == null) { + throw new NoSuchElementException(); + } + this.next = next.next; + return next.element; + } + }; + } + + public E pollFirst() { + final Link head = this.head; + if (head == null) { + return null; + } + + final E ret = head.element; + final Link 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 tail = this.tail; + if (tail == null) { + return null; + } + + final E ret = tail.element; + final Link 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 addLast(final E element) { + final Comparator comparator = this.comparator; + + Link curr = this.tail; + if (curr != null) { + int compare; + + while ((compare = comparator.compare(element, curr.element)) < 0) { + Link 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 next = curr.next; + final Link 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 addFirst(final E element) { + final Comparator comparator = this.comparator; + + Link curr = this.head; + if (curr != null) { + int compare; + + while ((compare = comparator.compare(element, curr.element)) > 0) { + Link 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 prev = curr.prev; + final Link 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 { + private E element; + private Link prev; + private Link next; + + private Link() {} + + private Link(final E element) { + this.element = element; + } + + private Link(final E element, final Link prev, final Link 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 e6c7f62ed379a78645933670299e4fcda8540ed1..c81a2a013457741302fe406ea9d1f9460bf0f48a 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 { 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 aa2fca6917fb67fe0e9ba067d11487c3a274f675..e53dba6d265007d556d85f6007643b26ba77083b 100644 --- a/src/main/java/net/minecraft/commands/Commands.java +++ b/src/main/java/net/minecraft/commands/Commands.java @@ -160,13 +160,13 @@ public class Commands { AdvancementCommands.register(this.dispatcher); AttributeCommand.register(this.dispatcher, commandRegistryAccess); ExecuteCommand.register(this.dispatcher, commandRegistryAccess); - BossBarCommands.register(this.dispatcher, commandRegistryAccess); + //BossBarCommands.register(this.dispatcher, commandRegistryAccess); // 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); @@ -176,46 +176,46 @@ 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, commandRegistryAccess); + //ScheduleCommand.register(this.dispatcher); // Folia - region threading + //ScoreboardCommand.register(this.dispatcher, commandRegistryAccess); // 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, commandRegistryAccess); - TeamMsgCommand.register(this.dispatcher); + //TagCommand.register(this.dispatcher); // Folia - region threading - TODO later + //TeamCommand.register(this.dispatcher, commandRegistryAccess); // Folia - region threading - TODO later + //TeamMsgCommand.register(this.dispatcher); // Folia - region threading - TODO later TeleportCommand.register(this.dispatcher); TellRawCommand.register(this.dispatcher, commandRegistryAccess); - TickCommand.register(this.dispatcher); + //TickCommand.register(this.dispatcher); // Folia - region threading - TODO later TimeCommand.register(this.dispatcher); TitleCommand.register(this.dispatcher, commandRegistryAccess); - 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()) { @@ -244,8 +244,8 @@ 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); @@ -493,9 +493,12 @@ public class Commands { } // Paper start - Perf: Async command map building new com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent(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 bukkit, RootCommandNode rootcommandnode) { 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 5dab1e10303177e5a4d97a91ee46ede66f30ae35..2e701ff7dc2c04f77e2f003cae0416483b290217 100644 --- a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java +++ b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java @@ -114,7 +114,7 @@ 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); } @@ -173,7 +173,7 @@ 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); } @@ -228,7 +228,7 @@ 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); } @@ -284,7 +284,7 @@ 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); } @@ -358,7 +358,7 @@ 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); } @@ -430,7 +430,7 @@ 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); } @@ -506,7 +506,7 @@ 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); } @@ -553,7 +553,7 @@ 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); } @@ -616,7 +616,7 @@ 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); } @@ -634,7 +634,8 @@ 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)) { @@ -643,13 +644,13 @@ public interface DispenseItemBehavior { worldserver.levelEvent(1505, blockposition, 15); } // 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 blocks = new java.util.ArrayList<>(worldserver.capturedBlockStates.values()); - worldserver.capturedBlockStates.clear(); + List 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); @@ -685,7 +686,7 @@ 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); } @@ -742,7 +743,7 @@ 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); } @@ -791,7 +792,7 @@ 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); } @@ -864,7 +865,7 @@ 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); } @@ -946,7 +947,7 @@ public interface DispenseItemBehavior { CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1); BlockDispenseEvent 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); } diff --git a/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java b/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java index e37d2d29f3ba67cfe28abe4847a3dca07121f0be..067f888fdaeced3350c858e2b825a3841b539193 100644 --- a/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java +++ b/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java @@ -45,7 +45,7 @@ public class ProjectileDispenseBehavior extends DefaultDispenseItemBehavior { CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1); BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector((double) enumdirection.getStepX(), (double) enumdirection.getStepY(), (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/ShearsDispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java index a024c697a65bbab27408da1d6a75e531d9719b47..bd8c333e91dff03196ec9e5730225cb37ab83da4 100644 --- a/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java +++ b/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java @@ -41,7 +41,7 @@ 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 02833deaa2bb7e5abc655bc1bdbe15c4b3ac7119..f38ffc4fbde0f25578ebcc4ec3bf0afe079a10c8 100644 --- a/src/main/java/net/minecraft/network/Connection.java +++ b/src/main/java/net/minecraft/network/Connection.java @@ -93,7 +93,7 @@ public class Connection extends SimpleChannelInboundHandler> { private static final ProtocolInfo INITIAL_PROTOCOL = HandshakeProtocols.SERVERBOUND; private final PacketFlow receiving; private volatile boolean sendLoginDisconnect = true; - private final Queue pendingActions = Queues.newConcurrentLinkedQueue(); // Paper + private final Queue pendingActions = new ca.spottedleaf.concurrentutil.collection.MultiThreadedQueue<>(); // Paper // Folia - region threading - connection fixes public Channel channel; public SocketAddress address; // Spigot Start @@ -108,7 +108,7 @@ public class Connection extends SimpleChannelInboundHandler> { @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; @@ -163,6 +163,32 @@ public class Connection extends SimpleChannelInboundHandler> { 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 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(); @@ -173,7 +199,7 @@ public class Connection extends SimpleChannelInboundHandler> { if (this.delayedDisconnect != null) { this.disconnect(this.delayedDisconnect); } - + this.becomeActive = true; // Folia - region threading } public void channelInactive(ChannelHandlerContext channelhandlercontext) { @@ -442,7 +468,7 @@ public class Connection extends SimpleChannelInboundHandler> { } 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); @@ -471,11 +497,12 @@ public class Connection extends SimpleChannelInboundHandler> { } public void runOnceConnected(Consumer 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 } } @@ -534,10 +561,11 @@ public class Connection extends SimpleChannelInboundHandler> { } 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 } } @@ -555,53 +583,61 @@ public class Connection extends SimpleChannelInboundHandler> { // 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 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 queue = + (ca.spottedleaf.concurrentutil.collection.MultiThreadedQueue)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 @@ -610,19 +646,39 @@ public class Connection extends SimpleChannelInboundHandler> { 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) { // 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 { @@ -633,7 +689,7 @@ public class Connection extends SimpleChannelInboundHandler> { } // 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(); } @@ -679,6 +735,7 @@ public class Connection extends SimpleChannelInboundHandler> { 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 } @@ -874,10 +931,10 @@ public class Connection extends SimpleChannelInboundHandler> { 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; @@ -909,6 +966,22 @@ public class Connection extends SimpleChannelInboundHandler> { } } // 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 } } @@ -929,15 +1002,25 @@ public class Connection extends SimpleChannelInboundHandler> { // Paper start - Optimize network public void clearPacketQueue() { final net.minecraft.server.level.ServerPlayer player = getPlayer(); - for (final Consumer 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 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 57e76b53e5e314c3e6b8856010f7a84188121582..9f07a1a5e2c082d16de068de6f47bf8fb06ba99a 100644 --- a/src/main/java/net/minecraft/network/protocol/PacketUtils.java +++ b/src/main/java/net/minecraft/network/protocol/PacketUtils.java @@ -45,7 +45,7 @@ public class PacketUtils { public static void ensureRunningOnSameThread(Packet packet, T listener, BlockableEventLoop engine) throws RunningOnDifferentThreadException { if (!engine.isSameThread()) { - engine.executeIfPossible(() -> { + Runnable run = () -> { // Folia - region threading packetProcessing.push(listener); // Paper - detailed watchdog information try { // Paper - detailed watchdog information if (listener instanceof ServerCommonPacketListenerImpl serverCommonPacketListener && serverCommonPacketListener.processedDisconnect) return; // CraftBukkit - Don't handle sync packets for kicked players @@ -74,7 +74,21 @@ 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; } } diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java index 5e5eeb5c954de1db5fa8ee57d456cf46cfebfd75..8a59bcecd4b1b373505e1a3a2fae7b66de227b1e 100644 --- a/src/main/java/net/minecraft/server/MinecraftServer.java +++ b/src/main/java/net/minecraft/server/MinecraftServer.java @@ -207,7 +207,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop processQueue = new java.util.concurrent.ConcurrentLinkedQueue(); public int autosavePeriod; public Commands vanillaCommandDispatcher; @@ -313,13 +312,41 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop S spin(Function serverFactory) { AtomicReference atomicreference = new AtomicReference(); Thread thread = new io.papermc.paper.util.TickThread(() -> { // Paper - rewrite chunk system @@ -355,7 +382,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop> 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); @@ -661,6 +702,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop { - 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); @@ -1397,21 +1494,16 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop {}; - } - // 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; @@ -1424,33 +1516,20 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop= MAX_CHUNK_EXEC_TIME) { if (!moreTasks) { - lastMidTickExecuteFailure = currTime; + worldData.lastMidTickExecuteFailure = currTime; // Folia - region threading } // note: negative values reduce the time @@ -1478,7 +1557,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop { + 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 { @@ -1603,29 +1724,17 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop list = this.playerList.getPlayers(); + List list = new java.util.ArrayList<>(this.playerList.getPlayers()); // Folia - region threading int i = this.getMaxPlayers(); if (this.hidesOnlinePlayers()) { @@ -1695,31 +1792,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop { + 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 @@ -1727,7 +1811,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop 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(() -> { String s = String.valueOf(worldserver); @@ -1780,7 +1861,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop { + io.papermc.paper.threadedregions.RegionizedServer.getInstance().invalidateStatus(); + }); + return; + } + // Folia end - region threading this.lastServerStatus = 0L; } @@ -2237,6 +2328,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop { + operation.perform(player, selection); + }, null, 1L); + // Folia end - region threading } if (i == 0) { @@ -332,9 +337,12 @@ public class AdvancementCommands { throw ERROR_CRITERION_NOT_FOUND.create(Advancement.name(advancement), criterion); } else { for (ServerPlayer serverPlayer : targets) { - if (operation.performCriterion(serverPlayer, advancement, criterion)) { - i++; - } + // Folia start - region threading + ++i; + serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { + operation.performCriterion(player, advancement, criterion); + }, null, 1L); + // Folia end - 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 518057dd550160f9039dbd026b66c37368fb9e8d..21956171278964a0edbf5b99eabf8e9a8d7fbdce 100644 --- a/src/main/java/net/minecraft/server/commands/AttributeCommand.java +++ b/src/main/java/net/minecraft/server/commands/AttributeCommand.java @@ -239,27 +239,59 @@ 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, double multiplier) throws CommandSyntaxException { - LivingEntity livingEntity = getEntityWithAttribute(target, attribute); + // Folia start - region threading + target.getBukkitEntity().taskScheduler.schedule((Entity nmsEntity) -> { + try { + // Folia end - region threading + LivingEntity livingEntity = getEntityWithAttribute(nmsEntity, attribute); // Folia - region threading double d = livingEntity.getAttributeValue(attribute); - source.sendSuccess(() -> Component.translatable("commands.attribute.value.get.success", getAttributeDescription(attribute), target.getName(), d), false); - return (int)(d * multiplier); + source.sendSuccess(() -> Component.translatable("commands.attribute.value.get.success", getAttributeDescription(attribute), nmsEntity.getName(), d), false); // Folia - region threading + 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, double multiplier) throws CommandSyntaxException { - LivingEntity livingEntity = getEntityWithAttribute(target, attribute); + // Folia start - region threading + target.getBukkitEntity().taskScheduler.schedule((Entity nmsEntity) -> { + try { + // Folia end - region threading + LivingEntity livingEntity = getEntityWithAttribute(nmsEntity, attribute); // Folia - region threading double d = livingEntity.getAttributeBaseValue(attribute); source.sendSuccess( - () -> Component.translatable("commands.attribute.base_value.get.success", getAttributeDescription(attribute), target.getName(), d), false + () -> Component.translatable("commands.attribute.base_value.get.success", getAttributeDescription(attribute), nmsEntity.getName(), d), false // Folia - region threading ); - 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, UUID uuid, double multiplier) throws CommandSyntaxException { - LivingEntity livingEntity = getEntityWithAttribute(target, attribute); + // Folia start - region threading + target.getBukkitEntity().taskScheduler.schedule((Entity nmsEntity) -> { + try { + // Folia end - region threading + LivingEntity livingEntity = getEntityWithAttribute(nmsEntity, attribute); // Folia - region threading AttributeMap attributeMap = livingEntity.getAttributes(); if (!attributeMap.hasModifier(attribute, uuid)) { - throw ERROR_NO_SUCH_MODIFIER.create(target.getName(), getAttributeDescription(attribute), uuid); + throw ERROR_NO_SUCH_MODIFIER.create(nmsEntity.getName(), getAttributeDescription(attribute), uuid); // Folia - region threading } else { double d = attributeMap.getModifierValue(attribute, uuid); source.sendSuccess( @@ -267,55 +299,95 @@ public class AttributeCommand { "commands.attribute.modifier.value.get.success", Component.translationArg(uuid), getAttributeDescription(attribute), - target.getName(), + nmsEntity.getName(), // Folia - region threading 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, double value) throws CommandSyntaxException { - getAttributeInstance(target, attribute).setBaseValue(value); + // Folia start - region threading + target.getBukkitEntity().taskScheduler.schedule((Entity nmsEntity) -> { + try { + // Folia end - region threading + getAttributeInstance(nmsEntity, attribute).setBaseValue(value); // Folia - region threading source.sendSuccess( - () -> Component.translatable("commands.attribute.base_value.set.success", getAttributeDescription(attribute), target.getName(), value), false + () -> Component.translatable("commands.attribute.base_value.set.success", getAttributeDescription(attribute), nmsEntity.getName(), value), false // Folia - region threading ); - 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 addModifier( CommandSourceStack source, Entity target, Holder attribute, UUID uuid, String name, double value, AttributeModifier.Operation operation ) throws CommandSyntaxException { - AttributeInstance attributeInstance = getAttributeInstance(target, attribute); + // Folia start - region threading + target.getBukkitEntity().taskScheduler.schedule((Entity nmsEntity) -> { + try { + // Folia end - region threading + AttributeInstance attributeInstance = getAttributeInstance(nmsEntity, attribute); // Folia - region threading AttributeModifier attributeModifier = new AttributeModifier(uuid, name, value, operation); if (attributeInstance.hasModifier(attributeModifier)) { - throw ERROR_MODIFIER_ALREADY_PRESENT.create(target.getName(), getAttributeDescription(attribute), uuid); + throw ERROR_MODIFIER_ALREADY_PRESENT.create(nmsEntity.getName(), getAttributeDescription(attribute), uuid); // Folia - region threading } else { attributeInstance.addPermanentModifier(attributeModifier); source.sendSuccess( () -> Component.translatable( - "commands.attribute.modifier.add.success", Component.translationArg(uuid), getAttributeDescription(attribute), target.getName() + "commands.attribute.modifier.add.success", Component.translationArg(uuid), getAttributeDescription(attribute), nmsEntity.getName() // Folia - region threading ), 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, UUID uuid) throws CommandSyntaxException { - AttributeInstance attributeInstance = getAttributeInstance(target, attribute); + // Folia start - region threading + target.getBukkitEntity().taskScheduler.schedule((Entity nmsEntity) -> { + try { + // Folia end - region threading + AttributeInstance attributeInstance = getAttributeInstance(nmsEntity, attribute); // Folia - region threading if (attributeInstance.removePermanentModifier(uuid)) { source.sendSuccess( () -> Component.translatable( - "commands.attribute.modifier.remove.success", Component.translationArg(uuid), getAttributeDescription(attribute), target.getName() + "commands.attribute.modifier.remove.success", Component.translationArg(uuid), getAttributeDescription(attribute), nmsEntity.getName() // Folia - region threading ), false ); - return 1; + return; // Folia - region threading } else { - throw ERROR_NO_SUCH_MODIFIER.create(target.getName(), getAttributeDescription(attribute), uuid); + throw ERROR_NO_SUCH_MODIFIER.create(nmsEntity.getName(), getAttributeDescription(attribute), uuid); // Folia - region threading } + // Folia start - region threading + } catch (CommandSyntaxException ex) { + sendMessage(source, ex); + } + }, null, 1L); + return 0; + // Folia end - region threading } private static Component getAttributeDescription(Holder attribute) { diff --git a/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java b/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java index 4e6171ca870649114d4c7460baad2982173da09e..f8f0d33c663e6b9adac9f7e3eb21b5a6ff860c5d 100644 --- a/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java +++ b/src/main/java/net/minecraft/server/commands/ClearInventoryCommands.java @@ -65,9 +65,14 @@ public class ClearInventoryCommands { int i = 0; for (ServerPlayer serverPlayer : targets) { - i += serverPlayer.getInventory().clearOrCountMatchingItems(item, maxCount, serverPlayer.inventoryMenu.getCraftSlots()); - serverPlayer.containerMenu.broadcastChanges(); - serverPlayer.inventoryMenu.slotsChanged(serverPlayer.getInventory()); + // Folia start - region threading + ++i; + serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { + player.getInventory().clearOrCountMatchingItems(item, maxCount, player.inventoryMenu.getCraftSlots()); + player.containerMenu.broadcastChanges(); + player.inventoryMenu.slotsChanged(player.getInventory()); + }, null, 1L); + // Folia end - 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 43121f35a944fd9f8d4c5f1cc53749e79892478e..737c815cb0453b2bfafd59857c443e1cf333c23f 100644 --- a/src/main/java/net/minecraft/server/commands/DamageCommand.java +++ b/src/main/java/net/minecraft/server/commands/DamageCommand.java @@ -104,12 +104,29 @@ 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)) { - source.sendSuccess(() -> Component.translatable("commands.damage.success", amount, target.getDisplayName()), true); - return 1; + // Folia start - region threading + target.getBukkitEntity().taskScheduler.schedule((Entity nmsEntity) -> { + try { + // Folia end - region threading + if (nmsEntity.hurt(damageSource, amount)) { // Folia - region threading + source.sendSuccess(() -> Component.translatable("commands.damage.success", amount, nmsEntity.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 a046a0b1519806ff3d987e6402f152b60a3a6f4c..60649ced046fa126ef59b7a2dc3e6b5eeaf42bc4 100644 --- a/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java +++ b/src/main/java/net/minecraft/server/commands/DefaultGameModeCommands.java @@ -28,12 +28,14 @@ public class DefaultGameModeCommands { GameType gameType = minecraftServer.getForcedGameType(); if (gameType != null) { for (ServerPlayer serverPlayer : minecraftServer.getPlayerList().getPlayers()) { + serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { // 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()); + org.bukkit.event.player.PlayerGameModeChangeEvent event = player.setGameMode(gameType, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.DEFAULT_GAMEMODE, net.kyori.adventure.text.Component.empty()); // Folia - region threading 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 ed6336065a0061af095d3395b927b8976443cb68..5a6f53cfaded2df14a82ee7639cdd0bb4728012e 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(statusEffect, 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(statusEffect, 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(statusEffect, 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 84f1ba6275f04624f46ccd772924b5e075e7b205..1c489bab7d0422473e104d558f686a2024f1abbb 100644 --- a/src/main/java/net/minecraft/server/commands/EnchantCommand.java +++ b/src/main/java/net/minecraft/server/commands/EnchantCommand.java @@ -68,49 +68,76 @@ 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 targets, Holder 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 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.getEnchantmentsForCrafting(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.getEnchantmentsForCrafting(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 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( () -> Component.translatable( - "commands.enchant.success.single", enchantment2.getFullname(level), targets.iterator().next().getDisplayName() + "commands.enchant.success.single", enchantment2.getFullname(level), possibleSingleDisplayName.get() ), true ); } else { - source.sendSuccess(() -> Component.translatable("commands.enchant.success.multiple", enchantment2.getFullname(level), targets.size()), true); + source.sendSuccess(() -> 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 775eb9fd56c2d0eafcfb04ab97ddb270ba3faca9..a5a69f87fe9d35c489a57d4d93e9ad54ed458d30 100644 --- a/src/main/java/net/minecraft/server/commands/ExperienceCommand.java +++ b/src/main/java/net/minecraft/server/commands/ExperienceCommand.java @@ -131,14 +131,18 @@ public class ExperienceCommand { } private static int queryExperience(CommandSourceStack source, ServerPlayer player, ExperienceCommand.Type component) { - int i = component.query.applyAsInt(player); - source.sendSuccess(() -> Component.translatable("commands.experience.query." + component.name, player.getDisplayName(), i), false); - return i; + player.getBukkitEntity().taskScheduler.schedule((ServerPlayer serverPlayer) -> { // Folia - region threading + int i = component.query.applyAsInt(serverPlayer); // Folia - region threading + source.sendSuccess(() -> Component.translatable("commands.experience.query." + component.name, serverPlayer.getDisplayName(), i), false); // Folia - region threading + }, null, 1L); // Folia - region threading + return 0; // Folia - region threading } private static int addExperience(CommandSourceStack source, Collection targets, int amount, ExperienceCommand.Type component) { for (ServerPlayer serverPlayer : targets) { - component.add.accept(serverPlayer, amount); + serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { // Folia - region threading + component.add.accept(player, amount); // Folia - region threading + }, null, 1L); // Folia - region threading } if (targets.size() == 1) { @@ -159,9 +163,11 @@ public class ExperienceCommand { int i = 0; for (ServerPlayer serverPlayer : targets) { - if (component.set.test(serverPlayer, amount)) { - i++; + ++i; serverPlayer.getBukkitEntity().taskScheduler.schedule((ServerPlayer player) -> { // Folia - region threading + if (component.set.test(player, amount)) { // Folia - region threading + // 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 c5bba5ce879b336b43e742eaa21d661dcee379aa..3649faab60aafd6743c37f3facfbdb844c116396 100644 --- a/src/main/java/net/minecraft/server/commands/FillBiomeCommand.java +++ b/src/main/java/net/minecraft/server/commands/FillBiomeCommand.java @@ -106,6 +106,16 @@ public class FillBiomeCommand { }); } + // Folia start - region threading + private static void sendMessage(Consumer> src, Supplier> supplier) { + Either 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 fill( ServerLevel world, BlockPos from, BlockPos to, Holder biome, Predicate> filter, Consumer> feedbackConsumer ) { @@ -117,6 +127,17 @@ 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 list = new ArrayList<>(); for (int k = SectionPos.blockToSectionCoord(boundingBox.minZ()); k <= SectionPos.blockToSectionCoord(boundingBox.maxZ()); k++) { @@ -153,6 +174,11 @@ public class FillBiomeCommand { ) ); 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 0509e28f79d13615b5baefc34799b0ad2df071be..6cbcab3f2af509f3f4d9d8f8b73d68617acf5f9f 100644 --- a/src/main/java/net/minecraft/server/commands/FillCommand.java +++ b/src/main/java/net/minecraft/server/commands/FillCommand.java @@ -151,6 +151,12 @@ 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 filter ) throws CommandSyntaxException { @@ -161,6 +167,18 @@ public class FillCommand { } else { List 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())) { @@ -187,8 +205,13 @@ public class FillCommand { } else { int l = k; source.sendSuccess(() -> 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 255211f47a1678f714b1e04b31298976ada8a781..87275b46c4411fd51d6572ec7b3f924e347d4ed7 100644 --- a/src/main/java/net/minecraft/server/commands/ForceLoadCommand.java +++ b/src/main/java/net/minecraft/server/commands/ForceLoadCommand.java @@ -97,7 +97,17 @@ 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 resourceKey = serverLevel.dimension(); @@ -109,14 +119,22 @@ public class ForceLoadCommand { ), 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 resourceKey = serverLevel.dimension(); LongSet longSet = serverLevel.getForcedChunks(); int i = longSet.size(); @@ -134,20 +152,27 @@ 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 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)); source.sendSuccess(() -> 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()); @@ -207,11 +232,18 @@ public class ForceLoadCommand { ); } - return u; + 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 d1da3600dc07107309b20ebe6e7c0c4da0e8de76..a2075133b0e8ea6299dec0fa5125e4296eb3276a 100644 --- a/src/main/java/net/minecraft/server/commands/GameModeCommand.java +++ b/src/main/java/net/minecraft/server/commands/GameModeCommand.java @@ -60,15 +60,18 @@ 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 47355158e5e762540a10dc67b23092a0fc53bce3..b450b4f876d8f18a9f51ef0c594d4471e0d5a6c4 100644 --- a/src/main/java/net/minecraft/server/commands/GiveCommand.java +++ b/src/main/java/net/minecraft/server/commands/GiveCommand.java @@ -89,6 +89,7 @@ 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; @@ -107,6 +108,7 @@ 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 c2974a6bd6851b54d1df2689195d896baf4906ee..57f5c571e63355b0e32480f31b9e5c8173d840c6 100644 --- a/src/main/java/net/minecraft/server/commands/KillCommand.java +++ b/src/main/java/net/minecraft/server/commands/KillCommand.java @@ -24,7 +24,9 @@ public class KillCommand { private static int kill(CommandSourceStack source, Collection 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 00fe31a486121eabd6c1e6fc85b94ecede8a609e..700a89ac5a982def37c80f8cf819b3444a8386b1 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> 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 { @@ -102,8 +115,16 @@ 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 structurePool, ResourceLocation id, int maxDepth, BlockPos pos) throws CommandSyntaxException { @@ -111,20 +132,42 @@ public class PlaceCommand { ChunkPos chunkcoordintpair = new ChunkPos(pos); PlaceCommand.checkLoaded(worldserver, chunkcoordintpair, chunkcoordintpair); + // 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, 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; }); @@ -146,12 +189,27 @@ 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; @@ -182,9 +240,17 @@ 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 869eceace975ae0a14e6be27f4c0d0e77afd715a..f8635a3beb5433269e3e7b7dc6c7f456783fd939 100644 --- a/src/main/java/net/minecraft/server/commands/RecipeCommand.java +++ b/src/main/java/net/minecraft/server/commands/RecipeCommand.java @@ -83,7 +83,12 @@ 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) -> { + player.awardRecipes(recipes); + }, null, 1L); + // Folia end - region threading } if (i == 0) { @@ -105,7 +110,12 @@ 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) -> { + player.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 977f3b1f0b6822d37254452c681717d31d3e1011..ea13a3b409b8a4a6a77071c700b4dd0a33b02716 100644 --- a/src/main/java/net/minecraft/server/commands/SetBlockCommand.java +++ b/src/main/java/net/minecraft/server/commands/SetBlockCommand.java @@ -80,10 +80,21 @@ 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 condition ) throws CommandSyntaxException { ServerLevel serverLevel = source.getLevel(); + // Folia start - region threading + io.papermc.paper.threadedregions.RegionizedServer.getInstance().taskQueue.queueTickTaskQueue( + serverLevel, pos.getX() >> 4, pos.getZ() >> 4, () -> { + try { + // Folia end - region threading if (condition != null && !condition.test(new BlockInWorld(serverLevel, pos, true))) { throw ERROR_FAILED.create(); } else { @@ -102,9 +113,16 @@ public class SetBlockCommand { } else { serverLevel.blockUpdated(pos, block.getState().getBlock()); source.sendSuccess(() -> Component.translatable("commands.setblock.success", 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 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 798999be50d26be357ef3c6d5b9383ce4d1048c1..af9b3ea74379d52f2ff08cb81e87a0a61062097a 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); - } + // 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); + } + 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 54851f6cc0d5fddb32a9a1e84a4f5ae41af18758..4a13ac9f5342a1b8dc155431eb33f045f87c9196 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 fc6e88aacdd5b508678d0c229be2e86db8128ecd..203e7a2a1cc235cbfdb0d794191c27683d4ba5a7 100644 --- a/src/main/java/net/minecraft/server/commands/WeatherCommand.java +++ b/src/main/java/net/minecraft/server/commands/WeatherCommand.java @@ -48,20 +48,26 @@ public class WeatherCommand { } private static int setClear(CommandSourceStack source, int duration) { + io.papermc.paper.threadedregions.RegionizedServer.getInstance().addTask(() -> { // Folia - region threading source.getServer().overworld().setWeatherParameters(getDuration(source, duration, ServerLevel.RAIN_DELAY), 0, false, false); source.sendSuccess(() -> 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.getServer().overworld().setWeatherParameters(0, getDuration(source, duration, ServerLevel.RAIN_DURATION), true, false); source.sendSuccess(() -> 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.getServer().overworld().setWeatherParameters(0, getDuration(source, duration, ServerLevel.THUNDER_DURATION), true, true); source.sendSuccess(() -> 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 eb4fc900164d1fb3a78653ae8bc42ea30323f5b7..05bc06fcf508e74c717a7f71a2c7ed7c568e846a 100644 --- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java +++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java @@ -464,9 +464,9 @@ 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 @@ -788,7 +788,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface Waitable[] waitableArray = new Waitable[1]; // Paper rconConsoleSource.prepareForCommand(); final java.util.concurrent.atomic.AtomicReference 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); @@ -812,7 +812,16 @@ 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 472b9494f8a34a8ba90d6a2936b0db7530a229ad..e41a352141614a0578af6019bc55f96ea323e090 100644 --- a/src/main/java/net/minecraft/server/level/ChunkHolder.java +++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java @@ -79,7 +79,7 @@ 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 } @@ -87,7 +87,7 @@ 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 } @@ -270,7 +270,7 @@ 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 7fb9ba3dadb1eca4a1000ea8cf4d13fed2b7db1e..c75990f0549a1267ecb591227b0f97fa8707bc40 100644 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java @@ -139,8 +139,8 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider public final ChunkMap.ChunkDistanceManager distanceManager; public final AtomicInteger tickingGenerated; // Paper - public private final String storageName; - private final PlayerMap playerMap; - public final Int2ObjectMap entityMap; + //private final PlayerMap playerMap; // Folia - region threading + //public final Int2ObjectMap entityMap; // Folia - region threading private final Long2ByteMap chunkTypeCache; private final Long2LongMap chunkSaveCooldowns; private final Queue unloadQueue; @@ -148,69 +148,33 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider private WorldGenContext worldGenContext; public final WorldGenContext getWorldGenContext() { return this.worldGenContext; } // Paper - rewrite chunk system // Paper start - distance maps - private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets 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 @@ -242,19 +206,19 @@ 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 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 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 mainThreadExecutor, LightChunkGetter chunkProvider, ChunkGenerator chunkGenerator, ChunkProgressListener worldGenerationProgressListener, ChunkStatusUpdateListener chunkStatusChangeListener, Supplier persistentStateManagerFactory, int viewDistance, boolean dsync) { super(new RegionStorageInfo(session.getLevelId(), world.dimension(), "chunk"), 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(); @@ -298,57 +262,18 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider this.worldGenContext = new WorldGenContext(world, chunkGenerator, structureTemplateManager, this.lightEngine); // 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 @@ -691,6 +616,12 @@ 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 @@ -931,6 +862,38 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider } boolean anyPlayerCloseEnoughForSpawning(ChunkPos chunkcoordintpair, boolean reducedRange) { + // Folia start - region threading + if (true) { + java.util.List 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; @@ -942,7 +905,7 @@ 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; @@ -974,7 +937,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider return List.of(); } else { Builder 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(); @@ -1003,25 +966,19 @@ 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 @@ -1036,31 +993,13 @@ 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 } @@ -1091,9 +1030,9 @@ 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 @@ -1106,27 +1045,25 @@ 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 } } @@ -1138,16 +1075,16 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider org.spigotmc.AsyncCatcher.catchOp("entity untrack"); // Spigot if (entity instanceof ServerPlayer entityplayer) { 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(); @@ -1155,82 +1092,37 @@ 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 - - protected void tick() { - // Paper start - optimized tracker - if (true) { - this.processTrackQueue(); - return; - } - // Paper end - optimized tracker - List list = Lists.newArrayList(); - List 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); + // Folia end - region threading - replace entity tracking ticking - 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); @@ -1239,7 +1131,7 @@ 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); @@ -1414,6 +1306,78 @@ 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 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 @@ -1437,9 +1401,14 @@ 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 cdb3c2cde5d9133ef60cf96d91762e6a7c8aeb4a..8c42c1f0d67f437423bf6d3958c6409f44556d5c 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 b99f50604bafecbc68835974c9ed0caa91911a40..034218c47afa99a0623b1f9c9b7830ae6da4322d 100644 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java @@ -56,23 +56,20 @@ 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 tickingChunks = new io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<>(4096, 0.75f, 4096, 0.15, true); - public final io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet 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 loadedChunkMap = new it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<>(8192, 0.5f); + final ca.spottedleaf.concurrentutil.map.SWMRLong2ObjectHashTable 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 persistentStateManagerFactory) { @@ -105,52 +102,23 @@ 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) { @@ -195,26 +163,7 @@ 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 @@ -308,6 +257,7 @@ public class ServerChunkCache extends ChunkSource { } public CompletableFuture> 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; @@ -497,10 +447,11 @@ 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(); @@ -520,7 +471,7 @@ 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; @@ -533,22 +484,22 @@ 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; @@ -564,7 +515,7 @@ 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; @@ -574,13 +525,13 @@ 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 @@ -588,10 +539,10 @@ public class ServerChunkCache extends ChunkSource { io.papermc.paper.util.player.NearbyPlayers nearbyPlayers = this.chunkMap.getNearbyPlayers(); // Paper - optimise chunk tick iteration Iterator 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 shuffled = Lists.newArrayListWithCapacity(this.tickingChunks.size()); + chunkIterator = regionizedWorldData.getTickingChunks().unsafeIterator(); // Folia - region threading + List shuffled = Lists.newArrayListWithCapacity(regionizedWorldData.getTickingChunks().size()); // Folia - region threading while (chunkIterator.hasNext()) { shuffled.add(chunkIterator.next()); } @@ -661,17 +612,21 @@ 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 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 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 @@ -734,14 +689,19 @@ 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 void addRegionTicket(TicketType ticketType, ChunkPos pos, int radius, T argument) { @@ -813,7 +773,8 @@ 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() { @@ -846,8 +807,43 @@ 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); } @@ -855,10 +851,15 @@ 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 0981d440d0dbfe4df668d1f3f1b5706a93bc4434..9ac1372d7236dd6207d2d8ed94a032f52a3b0b00 100644 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java @@ -197,38 +197,36 @@ public class ServerLevel extends Level implements WorldGenLevel { private final MinecraftServer server; public final PrimaryLevelData serverLevelData; // CraftBukkit - type private int lastSpawnChunkRadius; - final EntityTickList entityTickList; + //final EntityTickList entityTickList; // Folia - region threading //public final PersistentEntitySectionManager 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 blockTicks; - private final LevelTicks fluidTicks; - private final PathTypeCache pathTypesByPosCache; + //private final LevelTicks blockTicks; // Folia - region threading + //private final LevelTicks fluidTicks; // Folia - region threading + //private final PathTypeCache pathTypesByPosCache; // Folia - region threading final Set navigatingMobs; volatile boolean isUpdatingNavigations; protected final Raids raids; - private final ObjectLinkedOpenHashSet blockEvents; - private final List blockEventsToReschedule; - private boolean handlingTick; + //private final ObjectLinkedOpenHashSet blockEvents; // Folia - region threading + //private final List blockEventsToReschedule; // Folia - region threading + //private boolean handlingTick; // Folia - region threading private final List customSpawners; @Nullable private EndDragonFight dragonFight; final Int2ObjectMap 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 @@ -258,6 +256,36 @@ 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) { @@ -516,7 +544,7 @@ 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 @@ -571,14 +599,14 @@ 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 @@ -625,7 +653,7 @@ 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; @@ -681,7 +709,7 @@ 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 } } @@ -690,6 +718,58 @@ 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 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 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 removeAllRegionTeleports() { + final List ret = new ArrayList<>(); + + synchronized (this.pendingTeleports) { + for (final Iterator 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 resourcekey, LevelStem worlddimension, ChunkProgressListener worldloadlistener, boolean flag, long i, List list, boolean flag1, @Nullable RandomSequences randomsequences, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) { @@ -702,14 +782,14 @@ 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.pathTypesByPosCache = new PathTypeCache(); + //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.pathTypesByPosCache = new PathTypeCache(); // 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; @@ -748,7 +828,7 @@ 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())); @@ -775,7 +855,14 @@ 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 @@ -808,44 +895,27 @@ 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(); } @@ -853,11 +923,11 @@ 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 @@ -880,9 +950,9 @@ 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(); @@ -892,20 +962,30 @@ 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(); @@ -936,6 +1016,31 @@ 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 @@ -946,11 +1051,12 @@ 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); } @@ -979,15 +1085,23 @@ 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 chunkTickMutablePosition = ThreadLocal.withInitial(() -> new BlockPos.MutableBlockPos()); // Folia - region threading + private final ThreadLocal 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(); @@ -995,7 +1109,7 @@ 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 @@ -1051,7 +1165,7 @@ 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; } @@ -1065,7 +1179,7 @@ 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) @@ -1170,7 +1284,7 @@ public class ServerLevel extends Level implements WorldGenLevel { } public boolean isHandlingTick() { - return this.handlingTick; + return this.getCurrentWorldData().isHandlingTick(); // Folia - regionised ticking } public boolean canSleepThroughNights() { @@ -1202,6 +1316,14 @@ 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(); } @@ -1213,7 +1335,7 @@ 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()) { @@ -1299,23 +1421,24 @@ 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 @@ -1380,7 +1503,7 @@ 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); @@ -1413,7 +1536,16 @@ 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 @@ -1436,7 +1568,7 @@ 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 @@ -1453,7 +1585,16 @@ 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(); @@ -1542,20 +1683,22 @@ 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.registryAccess())); - 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.registryAccess())); + 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 } @@ -1609,6 +1752,19 @@ public class ServerLevel extends Level implements WorldGenLevel { return list; } + // Folia start - region threading + @Nullable + public ServerPlayer getRandomLocalPlayer() { + List 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 list = this.getPlayers(LivingEntity::isAlive); @@ -1696,8 +1852,8 @@ 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 @@ -1852,7 +2008,7 @@ 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")); @@ -1860,13 +2016,14 @@ public class ServerLevel extends Level implements WorldGenLevel { this.getChunkSource().blockChanged(pos); if(this.paperConfig().misc.updatePathfindingOnBlockUpdate) { // Paper - option to disable pathfinding updates - this.pathTypesByPosCache.invalidate(pos); + final io.papermc.paper.threadedregions.RegionizedWorldData regionizedWorldData = this.getCurrentWorldData(); // Folia - region threading + regionizedWorldData.pathTypesByPosCache.invalidate(pos); // Folia - region threading VoxelShape voxelshape = oldState.getCollisionShape(this, pos); VoxelShape voxelshape1 = newState.getCollisionShape(this, pos); if (Shapes.joinIsNotEmpty(voxelshape, voxelshape1, BooleanOp.NOT_SAME)) { List list = new ObjectArrayList(); - Iterator iterator = this.navigatingMobs.iterator(); + Iterator iterator = regionizedWorldData.getNavigatingMobs(); // Folia - region threading while (iterator.hasNext()) { // CraftBukkit start - fix SPIGOT-6362 @@ -1889,7 +2046,7 @@ public class ServerLevel extends Level implements WorldGenLevel { } try { - this.isUpdatingNavigations = true; + //this.isUpdatingNavigations = true; // Folia - region threading iterator = list.iterator(); while (iterator.hasNext()) { @@ -1898,7 +2055,7 @@ public class ServerLevel extends Level implements WorldGenLevel { navigationabstract1.recomputePath(); } } finally { - this.isUpdatingNavigations = false; + //this.isUpdatingNavigations = false; // Folia - region threading } } @@ -1907,23 +2064,23 @@ 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 @@ -1954,7 +2111,7 @@ 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(); @@ -1969,25 +2126,28 @@ 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 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) { @@ -1998,12 +2158,12 @@ public class ServerLevel extends Level implements WorldGenLevel { @Override public LevelTicks getBlockTicks() { - return this.blockTicks; + return this.getCurrentWorldData().getBlockLevelTicks(); // Folia - region ticking } @Override public LevelTicks getFluidTicks() { - return this.fluidTicks; + return this.getCurrentWorldData().getFluidLevelTicks(); // Folia - region ticking } @Nonnull @@ -2027,7 +2187,7 @@ public class ServerLevel extends Level implements WorldGenLevel { public 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 int sendParticles(List 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 @@ -2080,7 +2240,14 @@ 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 @@ -2135,6 +2302,7 @@ public class ServerLevel extends Level implements WorldGenLevel { // Paper start - Call missing map initialize event and set id final DimensionDataStorage storage = this.getServer().overworld().getDataStorage(); + synchronized (storage.cache) { // Folia - region threading final net.minecraft.world.level.saveddata.SavedData existing = storage.cache.get(id.key()); if (existing == null && !storage.cache.containsKey(id.key())) { final MapItemSavedData worldmap = (MapItemSavedData) this.getServer().overworld().getDataStorage().get(MapItemSavedData.factory(), id.key()); @@ -2149,6 +2317,7 @@ public class ServerLevel extends Level implements WorldGenLevel { } return existing instanceof MapItemSavedData data ? data : null; + } // Folia - region threading // Paper end - Call missing map initialize event and set id } @@ -2198,6 +2367,7 @@ 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(); @@ -2206,7 +2376,7 @@ 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); @@ -2234,13 +2404,18 @@ 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); @@ -2248,7 +2423,12 @@ 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 }); } } @@ -2295,7 +2475,7 @@ 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) { @@ -2309,7 +2489,7 @@ 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"); @@ -2455,7 +2635,7 @@ 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(); @@ -2468,7 +2648,7 @@ 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()); }); } @@ -2477,7 +2657,7 @@ 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 @@ -2520,9 +2700,7 @@ 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 String getTypeCount(Iterable items, Function classifier) { @@ -2555,6 +2733,12 @@ 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(); @@ -2567,11 +2751,7 @@ 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) (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 @@ -2592,17 +2772,18 @@ 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 } public PathTypeCache getPathTypeCache() { - return this.pathTypesByPosCache; + return this.getCurrentWorldData().pathTypesByPosCache; // Folia - region threading } @Override @@ -2624,7 +2805,7 @@ 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 @@ -2684,7 +2865,7 @@ 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) @@ -2695,16 +2876,16 @@ 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; @@ -2715,6 +2896,7 @@ 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 entityplayer) { ServerLevel.this.players.add(entityplayer); @@ -2728,7 +2910,7 @@ 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 entityenderdragon) { @@ -2738,7 +2920,9 @@ 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 } } @@ -2760,16 +2944,24 @@ 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 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 iter = (Iterator) map.carriedBy.iterator(); iter.hasNext(); ) { @@ -2779,6 +2971,7 @@ public class ServerLevel extends Level implements WorldGenLevel { iter.remove(); } } + } // Folia - make map data thread-safe } } } ); @@ -2809,7 +3002,7 @@ 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 entityenderdragon) { @@ -2819,13 +3012,16 @@ 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 8437316888c6056060a2780652147590b6fe7443..0d6ab0490d02fc4c856c3e27c0726b1e994c2418 100644 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java @@ -199,7 +199,7 @@ 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; @@ -496,51 +496,151 @@ 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 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 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 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 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 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; } @@ -1246,6 +1346,337 @@ 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 respawnComplete) { + this.respawn(respawnComplete, false); + } + + private void respawn(java.util.function.Consumer 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 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) { @@ -1255,6 +1686,11 @@ 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 @@ -2324,6 +2760,12 @@ 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 @@ -2841,7 +3283,7 @@ 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 5cedce1f432f6b809b25269242a16477682c824f..990879f69e4ee37d6633c77ea31433736dd154f8 100644 --- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java +++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java @@ -131,7 +131,7 @@ 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 { @@ -144,7 +144,7 @@ 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; @@ -419,7 +419,7 @@ 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); @@ -447,8 +447,8 @@ public class ServerPlayerGameMode { // return true; // CraftBukkit } // CraftBukkit start - java.util.List 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 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 8ef22f8f0d6da49247a90152e5cfa9ffc7f596a4..cc274fee6cd0a8b532ea2cf7be2876d9f5a708ee 100644 --- a/src/main/java/net/minecraft/server/level/ThreadedLevelLightEngine.java +++ b/src/main/java/net/minecraft/server/level/ThreadedLevelLightEngine.java @@ -103,10 +103,15 @@ 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(); @@ -114,7 +119,7 @@ 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 runnable) { // Paper - rewrite chunk system @@ -134,11 +139,16 @@ 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; } @@ -157,22 +167,28 @@ 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 { public static final TicketType NON_FULL_SYNC_LOAD = create("non_full_sync_load", Long::compareTo); public static final TicketType DELAY_UNLOAD = create("delay_unload", Comparator.comparingLong(ChunkPos::toLong), 1); // Paper end - rewrite chunk system + // Folia start - region threading + public static final TicketType LOGIN = create("login", (u1, u2) -> 0, 20); + public static final TicketType DELAYED = create("delay", (u1, u2) -> 0, 5); + public static final TicketType END_GATEWAY_EXIT_SEARCH = create("end_gateway_exit_search", Long::compareTo); + public static final TicketType NETHER_PORTAL_DOUBLE_CHECK = create("nether_portal_double_check", Long::compareTo); + public static final TicketType TELEPORT_HOLD_TICKET = create("teleport_hold_ticket", Long::compareTo); + public static final TicketType REGION_SCHEDULER_API_HOLD = create("region_scheduler_api_hold", (a, b) -> 0); + // Folia end - region threading public static TicketType create(String name, Comparator 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 1351423a12c19a01f602a202832372a399e6a867..3a38e781384b51d3f92c002e2fd57e35ee3b9157 100644 --- a/src/main/java/net/minecraft/server/level/WorldGenRegion.java +++ b/src/main/java/net/minecraft/server/level/WorldGenRegion.java @@ -87,6 +87,13 @@ 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 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 8ac5d8ccf731100a1be690cb2ed1be82cadba8ed..e25918c403ddcca87dd64d36b06f7466e2c99bd8 100644 --- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java @@ -107,6 +107,10 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack } + // 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 @@ -114,10 +118,18 @@ 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 } @@ -131,9 +143,9 @@ 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 } @@ -348,24 +360,8 @@ 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; } @@ -396,7 +392,7 @@ 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 e4086bea596e5f5d71491e0b7ad650d76939b8f9..5de4b707c9bf512649924a99afed55d657d03c44 100644 --- a/src/main/java/net/minecraft/server/network/ServerConfigurationPacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerConfigurationPacketListenerImpl.java @@ -46,6 +46,7 @@ public class ServerConfigurationPacketListenerImpl extends ServerCommonPacketLis private ClientInformation clientInformation; @Nullable private SynchronizeRegistriesTask synchronizeRegistriesTask; + public boolean switchToMain = false; // Folia - region threading - rewrite login process // CraftBukkit start public ServerConfigurationPacketListenerImpl(MinecraftServer minecraftserver, Connection networkmanager, CommonListenerCookie commonlistenercookie, ServerPlayer player) { @@ -150,7 +151,58 @@ 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 data = new org.apache.commons.lang3.mutable.MutableObject<>(); + org.apache.commons.lang3.mutable.MutableObject lastKnownName = new org.apache.commons.lang3.mutable.MutableObject<>(); + ca.spottedleaf.concurrentutil.completable.Completable 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, + java.util.Optional.ofNullable(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; + throw new RuntimeException(throwable); + } + // Folia end - region threading - rewrite login process } catch (Exception exception) { ServerConfigurationPacketListenerImpl.LOGGER.error("Couldn't place player in world", exception); // Paper start - Debugging diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java index 8aff5129f85ab5729b3da2e465871be62d15bdf2..8044271ff01dfc6808f5a3b60be74f6ddeee1e8f 100644 --- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java +++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java @@ -161,10 +161,13 @@ 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 } @@ -226,7 +229,7 @@ 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 5e9202bc7fc649764568b55d66ba0d684118c00c..f3149fea4cd455a4d7dc3cb92893be4e01b54048 100644 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java @@ -300,7 +300,7 @@ 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) { @@ -317,10 +317,10 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl } // CraftBukkit start - add fields and methods - 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; @@ -332,8 +332,21 @@ 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 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; @@ -382,7 +395,7 @@ 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 @@ -431,6 +444,19 @@ 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 @@ -531,9 +557,10 @@ 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; @@ -607,7 +634,7 @@ 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 @@ -620,11 +647,19 @@ 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) { @@ -664,7 +699,7 @@ 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; } @@ -672,7 +707,7 @@ 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; } @@ -788,7 +823,7 @@ 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 @@ -800,7 +835,7 @@ 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 @@ -825,7 +860,7 @@ 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); @@ -1165,7 +1200,7 @@ 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; @@ -1188,17 +1223,17 @@ 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.slot(); @@ -1218,7 +1253,19 @@ 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 } } @@ -1374,9 +1421,10 @@ 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); @@ -1568,7 +1616,7 @@ 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; } @@ -1576,7 +1624,7 @@ 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; } @@ -1803,9 +1851,9 @@ 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++; @@ -1833,7 +1881,7 @@ 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; } @@ -1916,7 +1964,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl // Paper end - improve distance check BlockPos blockposition = movingobjectpositionblock.getBlockPos(); - if (this.player.canInteractWithBlock(blockposition, 1.0D)) { + if (io.papermc.paper.util.TickThread.isTickThreadFor(this.player.serverLevel(), blockposition.getX() >> 4, blockposition.getZ() >> 4, 8) && this.player.canInteractWithBlock(blockposition, 1.0D)) { // Folia - do not allow players to interact with blocks outside the current region Vec3 vec3d1 = vec3d.subtract(Vec3.atCenterOf(blockposition)); 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; } } @@ -2068,7 +2116,7 @@ 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 } @@ -2077,6 +2125,8 @@ 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(); @@ -2089,6 +2139,8 @@ 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 @@ -2395,7 +2447,7 @@ 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()); @@ -2506,6 +2558,7 @@ 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 @@ -2741,8 +2794,25 @@ 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(ClientboundStartConfigurationPacket.INSTANCE); this.connection.setupOutboundProtocol(ConfigurationProtocols.CLIENTBOUND); } @@ -2768,7 +2838,7 @@ 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; } @@ -2912,6 +2982,12 @@ 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); @@ -2920,6 +2996,18 @@ 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 @@ -3291,7 +3379,7 @@ 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; } } @@ -3460,7 +3548,18 @@ 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 signText) { diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java index b656741eb68adeb04bf995f1045902cb6bd5f2e7..734f745ce383c8398fdedeb6fd71277e1482a4a6 100644 --- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java @@ -104,7 +104,11 @@ 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 } @@ -250,7 +254,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener, })); } - boolean flag = playerlist.disconnectAllPlayersWithProfile(gameprofile, this.player); // CraftBukkit - add player reference + boolean flag = false && playerlist.disconnectAllPlayersWithProfile(gameprofile, this.player); // CraftBukkit - add player reference // Folia - rewrite login process - always false here if (flag) { this.state = ServerLoginPacketListenerImpl.State.WAITING_FOR_DUPE_DISCONNECT; @@ -370,7 +374,7 @@ 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 extends StoredUserEntry { - public static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z", Locale.ROOT); + public static final ThreadLocal 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 extends StoredUserEntry { 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 extends StoredUserEntry { 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 extends StoredUserEntry { @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 extends StoredUserEntry { 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 653856d0b8dcf2baf4cc77a276f17c8cc1fa717e..3f5639f26f249ca10e03826231d087ab715b7ce7 100644 --- a/src/main/java/net/minecraft/server/players/OldUsersConverter.java +++ b/src/main/java/net/minecraft/server/players/OldUsersConverter.java @@ -516,7 +516,7 @@ 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 a2142930b4d4b05987c90496fb9d733d99040aa0..67b832c9a36f8af245e381c7fa3c56a7e9becd1e 100644 --- a/src/main/java/net/minecraft/server/players/PlayerList.java +++ b/src/main/java/net/minecraft/server/players/PlayerList.java @@ -134,10 +134,10 @@ 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 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 players = new java.util.concurrent.CopyOnWriteArrayList(); // CraftBukkit - ArrayList -> CopyOnWriteArrayList: Iterator safety - private final Map playersByUUID = Maps.newHashMap(); + private final Map 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; @@ -158,9 +158,63 @@ public abstract class PlayerList { // CraftBukkit start private CraftServer cserver; - private final Map playersByName = new java.util.HashMap<>(); + private final Map 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 connectionByName = new java.util.HashMap<>(); + private final Map connectionById = new java.util.HashMap<>(); + private final it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet 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 registryManager, PlayerDataStorage saveHandler, int maxPlayers) { this.cserver = server.server = new CraftServer((DedicatedServer) server, this); server.console = new com.destroystokyo.paper.console.TerminalConsoleCommandSender(); // Paper @@ -181,7 +235,7 @@ 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 data, org.apache.commons.lang3.mutable.MutableObject lastKnownName, ca.spottedleaf.concurrentutil.completable.Completable 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(optional.orElse(null)); + lastKnownName.setValue(s); + // Folia end - region threading - rewrite login process if (optional.isEmpty() || invalidPlayerWorld[0]) { // 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; + } + // optional -> player data + // s -> last known name + public void placeNewPlayer(Connection connection, ServerPlayer player, CommonListenerCookie clientData, Optional optional, 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((CompoundTag) optional.orElse(null)); // CraftBukkit - decompile error 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 connection.setupInboundProtocol(GameProtocols.SERVERBOUND.bind(RegistryFriendlyByteBuf.decorator(this.server.registryAccess())), playerconnection); GameRules gamerules = worldserver1.getGameRules(); @@ -305,7 +387,7 @@ 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; @@ -347,7 +429,7 @@ 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(); @@ -362,8 +444,7 @@ public abstract class PlayerList { ClientboundPlayerInfoUpdatePacket packet = ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(List.of(player)); // Paper - Add Listing API for Player final List 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 @@ -482,7 +563,7 @@ 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 @@ -575,7 +656,7 @@ 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 @@ -615,7 +696,7 @@ 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) { @@ -655,7 +736,7 @@ 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 @@ -674,8 +755,7 @@ 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); @@ -700,19 +780,12 @@ 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 @@ -732,7 +805,7 @@ 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; @@ -745,14 +818,14 @@ 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 } } @@ -818,6 +891,11 @@ 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 @@ -1017,10 +1095,10 @@ 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() { + target.connection.send(new ClientboundPlayerInfoUpdatePacket(EnumSet.of(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_LATENCY), java.util.Arrays.stream(players).filter(new Predicate() { // Folia - region threading @Override public boolean test(ServerPlayer input) { return target.getBukkitEntity().canSee(input.getBukkitEntity()); @@ -1046,18 +1124,17 @@ 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 } } @@ -1101,8 +1178,7 @@ 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); @@ -1113,10 +1189,12 @@ public abstract class PlayerList { } public String[] getPlayerNamesArray() { - String[] astring = new String[this.players.size()]; + List 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; @@ -1135,7 +1213,9 @@ 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 } } @@ -1145,7 +1225,10 @@ 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 + } } @@ -1206,8 +1289,7 @@ public abstract class PlayerList { } public void broadcast(@Nullable net.minecraft.world.entity.player.Player player, double x, double y, double z, double distance, ResourceKey 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())) { @@ -1237,12 +1319,21 @@ 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 } @@ -1361,6 +1452,20 @@ 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) { @@ -1370,7 +1475,7 @@ 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 c038da20b76c0b7b1c18471b20be01e849d29f3a..87114cc9ce7489ff8e29e2d88ebb0d47eb68232e 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> { } public void save() throws IOException { + synchronized (this) { // Folia - region threading this.removeExpired(); // Paper - remove expired values before saving JsonArray jsonarray = new JsonArray(); Stream stream = this.map.values().stream().map((jsonlistentry) -> { // CraftBukkit - decompile error @@ -133,10 +134,12 @@ public abstract class StoredUserList> { 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> { } } + } // Folia - region threading } } diff --git a/src/main/java/net/minecraft/util/SortedArraySet.java b/src/main/java/net/minecraft/util/SortedArraySet.java index 0793dfe47e68a2b48b010aad5b12dcfa1701293a..50e3ad4ce20915943fbd9115cec221a374e778fb 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 extends AbstractSet { 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 extends AbstractSet { } } // 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 5c8e36ea8287029b1789719c687bac1a2c4c3a69..db0fe7fa257842eacd250f4cae6f549b9a0a91c9 100644 --- a/src/main/java/net/minecraft/util/SpawnUtil.java +++ b/src/main/java/net/minecraft/util/SpawnUtil.java @@ -58,7 +58,7 @@ 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 24c60dd75bbb59e33d64db70cd31f1f2c1c55c4a..b31681b770dd7e52b434d237124d6d823f7c6a5a 100644 --- a/src/main/java/net/minecraft/world/RandomSequences.java +++ b/src/main/java/net/minecraft/world/RandomSequences.java @@ -21,7 +21,7 @@ public class RandomSequences extends SavedData { private int salt; private boolean includeWorldSeed = true; private boolean includeSequenceId = true; - private final Map sequences = new Object2ObjectOpenHashMap<>(); + private final Map sequences = new java.util.concurrent.ConcurrentHashMap<>(); // Folia - region threading public static SavedData.Factory factory(long seed) { return new SavedData.Factory<>(() -> new RandomSequences(seed), (nbt, registryLookup) -> load(seed, nbt), DataFixTypes.SAVED_DATA_RANDOM_SEQUENCES); @@ -114,61 +114,61 @@ 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 99a7e9eb75231c15bd8bb24fbb4e296bc9fdedff..695f5b452d0abc4e474e8e55134a122d3d216c5a 100644 --- a/src/main/java/net/minecraft/world/damagesource/CombatTracker.java +++ b/src/main/java/net/minecraft/world/damagesource/CombatTracker.java @@ -53,7 +53,7 @@ public class CombatTracker { } private Component getMessageForAssistedFall(Entity attacker, Component attackerDisplayName, String itemDeathTranslationKey, String deathTranslationKey) { - ItemStack itemStack = attacker instanceof LivingEntity livingEntity ? livingEntity.getMainHandItem() : ItemStack.EMPTY; + ItemStack itemStack = attacker instanceof LivingEntity livingEntity && io.papermc.paper.util.TickThread.isTickThreadFor(livingEntity) ? livingEntity.getMainHandItem() : ItemStack.EMPTY; // Folia - region threading return !itemStack.isEmpty() && itemStack.has(DataComponents.CUSTOM_NAME) ? Component.translatable(itemDeathTranslationKey, this.mob.getDisplayName(), attackerDisplayName, itemStack.getDisplayName()) : Component.translatable(deathTranslationKey, this.mob.getDisplayName(), attackerDisplayName); @@ -80,7 +80,7 @@ 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 359a2f0492a9b938a4f015c546e100e0092ae1d4..6f13f96bcc401673be45c8ed62e62ca2b43ce36c 100644 --- a/src/main/java/net/minecraft/world/damagesource/DamageSource.java +++ b/src/main/java/net/minecraft/world/damagesource/DamageSource.java @@ -157,13 +157,13 @@ 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 e9df8f8541b8a1b85c7d2925ff3cba813007a1ef..35e3e67c0c74f95007c55ee8fb44822a712a25b1 100644 --- a/src/main/java/net/minecraft/world/damagesource/FallLocation.java +++ b/src/main/java/net/minecraft/world/damagesource/FallLocation.java @@ -35,7 +35,7 @@ public record FallLocation(String id) { @Nullable public static FallLocation getCurrentFallLocation(LivingEntity entity) { Optional 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 2bc85351e6e52f90da5fdb29d8d042a06132d742..b1b6c173d8d083e50120eb890116e8d50e20b2a8 100644 --- a/src/main/java/net/minecraft/world/entity/Entity.java +++ b/src/main/java/net/minecraft/world/entity/Entity.java @@ -173,7 +173,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess // 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 @@ -247,7 +247,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess 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() { @@ -380,7 +380,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess private boolean hasGlowingTag; private final Set tags; private final double[] pistonDeltas; - private long pistonDeltasGameTime; + private long pistonDeltasGameTime = Long.MIN_VALUE; // Folia - region threading private EntityDimensions dimensions; private float eyeHeight; public boolean isInPowderSnow; @@ -481,28 +481,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess this.isLegacyTrackingEntity = isLegacyTrackingEntity; } - public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet 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 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; @@ -569,6 +548,19 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess 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; + } + if (this.pistonDeltasGameTime != Long.MIN_VALUE) { + this.pistonDeltasGameTime += fromRedstoneTimeOffset; + } + } + // Folia end - region ticking public Entity(EntityType type, Level world) { this.id = Entity.ENTITY_COUNTER.incrementAndGet(); @@ -869,6 +861,12 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess // 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(); @@ -891,7 +889,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess 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(); } @@ -1147,8 +1145,8 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess } 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; @@ -1475,7 +1473,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess if (movement.lengthSqr() <= 1.0E-7D) { return movement; } else { - long i = this.level().getGameTime(); + long i = this.level().getRedstoneGameTime(); // Folia - region threading if (i != this.pistonDeltasGameTime) { Arrays.fill(this.pistonDeltas, 0.0D); @@ -3080,7 +3078,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess 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 } } @@ -3128,7 +3126,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess } 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 } @@ -3393,6 +3391,11 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess @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()); } @@ -3682,6 +3685,775 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess 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 getFullTree() { + List 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 queue = new java.util.ArrayDeque<>(); + queue.add(this); + + EntityTreeNode curr; + while ((curr = queue.pollFirst()) != null) { + EntityTreeNode[] passengers = curr.passengers; + if (passengers == null) { + continue; + } + + List 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 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 queue = new java.util.ArrayDeque<>(); + queue.add(root); + EntityTreeNode curr; + while ((curr = queue.pollFirst()) != null) { + Entity vehicle = curr.root; + List 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 queue = new java.util.ArrayDeque<>(); + queue.add(root); + EntityTreeNode curr; + while ((curr = queue.pollFirst()) != null) { + Entity vehicle = curr.root; + List 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 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 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 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 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 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 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 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 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 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 @@ -3690,6 +4462,11 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess @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) { @@ -3782,6 +4559,12 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess } } + // 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 } @@ -4726,7 +5509,8 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess } } // 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 @@ -4747,7 +5531,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess // 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 @@ -4832,6 +5616,12 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess 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; @@ -4855,6 +5645,9 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess 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; } @@ -4877,6 +5670,10 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess 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 6e043457a29a890bcefd27fc5bb07c1a7e4e30f7..ed1aa10948897780aefa9a2b4034abb4c7efbb17 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -256,7 +256,7 @@ public abstract class LivingEntity extends Entity implements Attackable { private Optional lastClimbablePos; @Nullable private DamageSource lastDamageSource; - private long lastDamageStamp; + private long lastDamageStamp = Long.MIN_VALUE; // Folia - region threading protected int autoSpinAttackTicks; private float swimAmount; private float swimAmountO; @@ -287,6 +287,21 @@ public abstract class LivingEntity extends Entity implements Attackable { ++this.noActionTime; // Above all the floats } // Spigot end + // Folia start - region threading + @Override + public void updateTicks(long fromTickOffset, long fromRedstoneTimeOffset) { + super.updateTicks(fromTickOffset, fromRedstoneTimeOffset); + if (this.lastDamageStamp != Long.MIN_VALUE) { + this.lastDamageStamp += fromRedstoneTimeOffset; + } + } + + @Override + protected void resetStoredPositions() { + super.resetStoredPositions(); + this.lastClimbablePos = Optional.empty(); + } + // Folia end - region threading protected LivingEntity(EntityType type, Level world) { super(type, world); @@ -494,7 +509,7 @@ 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; @@ -648,11 +663,14 @@ 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 } } @@ -891,9 +909,9 @@ 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"); Scoreboard scoreboard = this.level().getScoreboard(); PlayerTeam scoreboardteam = scoreboard.getPlayerTeam(s); @@ -1170,6 +1188,7 @@ 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; @@ -1592,7 +1611,7 @@ public abstract class LivingEntity extends Entity implements Attackable { if (flag2) { this.lastDamageSource = source; - this.lastDamageStamp = this.level().getGameTime(); + this.lastDamageStamp = this.level().getRedstoneGameTime(); // Folia - region threading Iterator iterator = this.getActiveEffects().iterator(); while (iterator.hasNext()) { @@ -1682,7 +1701,7 @@ public abstract class LivingEntity extends Entity implements Attackable { @Nullable public DamageSource getLastDamageSource() { - if (this.level().getGameTime() - this.lastDamageStamp > 40L) { + if (this.level().getRedstoneGameTime() - this.lastDamageStamp > 40L || this.lastDamageStamp == Long.MIN_VALUE) { // Folia - region threading this.lastDamageSource = null; } @@ -2412,7 +2431,7 @@ 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() { @@ -2490,7 +2509,7 @@ public abstract class LivingEntity extends Entity implements Attackable { this.hurt(this.damageSources().generic(), 0.0F); this.lastDamageSource = damageSource; - this.lastDamageStamp = this.level().getGameTime(); + this.lastDamageStamp = this.level().getRedstoneGameTime(); // Folia - region threading } @Override @@ -3494,7 +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()); @@ -4183,7 +4202,7 @@ 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 e89f9c3e887601d8461eb967ae0bf582b672f631..ef5cd008de4d145b67c70e48ae21ea969aedb1f0 100644 --- a/src/main/java/net/minecraft/world/entity/Mob.java +++ b/src/main/java/net/minecraft/world/entity/Mob.java @@ -153,6 +153,14 @@ public abstract class Mob extends LivingEntity implements EquipmentUser, Targeti 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 type, Level world) { super(type, world); this.handItems = NonNullList.withSize(2, ItemStack.EMPTY); @@ -298,9 +306,21 @@ public abstract class Mob extends LivingEntity implements EquipmentUser, Targeti @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 @Nullable @@ -314,7 +334,7 @@ public abstract class Mob extends LivingEntity implements EquipmentUser, Targeti } 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; @@ -1879,6 +1899,17 @@ public abstract class Mob extends LivingEntity implements EquipmentUser, Targeti 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(); @@ -1887,12 +1918,7 @@ public abstract class Mob extends LivingEntity implements EquipmentUser, Targeti 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 af6f91c66e9cc7e0d491e6efed992a140947155e..d4e6198fdfbefe54e374479a1f1d835ab98ce93a 100644 --- a/src/main/java/net/minecraft/world/entity/ai/Brain.java +++ b/src/main/java/net/minecraft/world/entity/ai/Brain.java @@ -424,9 +424,17 @@ public class Brain { } public void stopAll(ServerLevel world, E entity) { + // Folia start - region threading + List> 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 behaviorControl : this.getRunningBehaviors()) { + for (BehaviorControl 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 7302d397d39d8400527ab2da4adaf8d792256749..cb92900d5528b953ec4c9f071a75a064987b9a9f 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 @@ -19,6 +19,11 @@ public class PoiCompetitorScan { context, (jobSite, mobs) -> (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( 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 edd29c2f4d0151d512618115a8fb4b7423171491..cb6fa1c7345fac3808897ecd46ed2314f2aff139 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 @@ -71,7 +71,7 @@ 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() { @@ -97,7 +97,7 @@ 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); @@ -108,6 +108,11 @@ 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); @@ -134,7 +139,21 @@ 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 62634bedd97c5be9ecce24ab0cff205715a68da8..197bbc149e9bf270a304c987ef76373c780b6a86 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())); 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 2e9991e6b3c05584002744a2ee2579b1dba218b2..7873462c6146b7431011a2b73eb7414f61afbccf 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 { @@ -203,7 +203,7 @@ 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 @@ -215,7 +215,7 @@ 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 4d5372b80b2b1906ecf5bf7e75df08b5d3792bfd..9ee62edd8f71244ea406f19cdd62fa5a94b85a3d 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 @@ -38,7 +38,7 @@ public class TemptingSensor extends Sensor { protected void doTick(ServerLevel world, PathfinderMob entity) { Brain behaviorcontroller = entity.getBrain(); - Stream stream = world.players().stream().filter(EntitySelector.NO_SPECTATORS).filter((entityplayer) -> { // CraftBukkit - decompile error + Stream 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 36dec6cd78a0990ba3c09a4a748c259ef5c0a2ff..316b5db25f749854052449c1a2a48f20b8ead05b 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 @@ -21,62 +21,66 @@ 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(); @@ -88,12 +92,12 @@ 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; } } @@ -107,13 +111,15 @@ 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); } catch (Exception exception) { VillageSiege.LOGGER.warn("Failed to create zombie for village siege at {}", vec3d, exception); @@ -121,7 +127,7 @@ 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 } } @@ -142,7 +148,7 @@ 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 c6f193339fdcbcc938d4eafdcad0b112cf1698d5..cf69b4ed4a40015a23d053230c3f326a700788ef 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 @@ -50,11 +50,13 @@ public class PoiManager extends SectionStorage { } 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 @@ -229,8 +231,10 @@ public class PoiManager extends SectionStorage { } 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) { @@ -244,7 +248,9 @@ public class PoiManager extends SectionStorage { @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 0dfb8109fd8c022b079da00f6a0e3fc85b57bf7a..cdc431ab27b1837b852c8fb559d0324b94d33311 100644 --- a/src/main/java/net/minecraft/world/entity/animal/Bee.java +++ b/src/main/java/net/minecraft/world/entity/animal/Bee.java @@ -1025,6 +1025,11 @@ 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); } @@ -1141,6 +1146,11 @@ 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 07559b9629d4ecb40b511256f400a781e39820e0..6d24e4efeda9265a1b02c807dbed96b7db765424 100644 --- a/src/main/java/net/minecraft/world/entity/animal/Cat.java +++ b/src/main/java/net/minecraft/world/entity/animal/Cat.java @@ -367,7 +367,7 @@ public class Cat extends TamableAnimal implements VariantHolder 0 && this.pickupDelay != 32767) { + --this.pickupDelay; + } + // Folia end - region threading - restore original timers this.xo = this.getX(); this.yo = this.getY(); @@ -211,11 +209,11 @@ 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) { @@ -242,13 +240,14 @@ 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 @@ -560,14 +559,20 @@ 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 f1f352ec0e51f5db59254841a06c176c5a876fc9..574a25578c471f02f346d2853ba44eecdf697ce5 100644 --- a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java +++ b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java @@ -75,7 +75,7 @@ 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().spigotConfig.currentPrimedTnt > this.level().spigotConfig.maxTntTicksPerTick) { return; } // Spigot // Folia - region threading this.applyGravity(); this.move(MoverType.SELF, this.getDeltaMovement()); // Paper start - Configurable TNT height nerf @@ -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 fd3b37dde54623ba38186efb2a64d364c86b81d2..f21beb135e336dcd5aa46e7f0229f29ec780545a 100644 --- a/src/main/java/net/minecraft/world/entity/monster/Vex.java +++ b/src/main/java/net/minecraft/world/entity/monster/Vex.java @@ -349,7 +349,7 @@ 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 e42dfc62bb179be1ab01b0096c05c6549d38abbc..3715411f337e6adea36fe1ceb2e93e830f703cda 100644 --- a/src/main/java/net/minecraft/world/entity/monster/Zombie.java +++ b/src/main/java/net/minecraft/world/entity/monster/Zombie.java @@ -92,7 +92,7 @@ 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 type, Level world) { @@ -215,10 +215,7 @@ 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(); } @@ -235,7 +232,7 @@ public class Zombie extends Monster { } super.tick(); - this.lastTick = MinecraftServer.currentTick; // CraftBukkit + //this.lastTick = MinecraftServer.currentTick; // CraftBukkit // Folia - region threading - restore original timers } @Override @@ -274,7 +271,7 @@ 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 f38acc96f71298e40ce9433e7759fd223ca55e48..474e94390eb68a56c81d91a736b72f6d00577971 100644 --- a/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java +++ b/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java @@ -71,7 +71,7 @@ public class ZombieVillager extends Zombie implements VillagerDataHolder { @Nullable private MerchantOffers 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 type, Level world) { super(type, world); @@ -152,10 +152,7 @@ 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) { @@ -164,7 +161,7 @@ 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 d323cf157f2a910916baa9ce3f7e5bc81648c47d..57355dfc6c52e038ef92b7bf7cf7af5b5672704a 100644 --- a/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java +++ b/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java @@ -220,10 +220,18 @@ public abstract class AbstractVillager extends AgeableMob implements InventoryCa this.readInventoryFromTag(nbt, this.registryAccess()); } + // 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 e0e5046c84941a8d17e18c177f3daea9cb631940..61adcf62cb738d7dd5c785780824f64c56b82082 100644 --- a/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java +++ b/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java @@ -18,17 +18,18 @@ 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 a7930f9875aa4aca997caaead46ecdc21e5e11d7..6339967b154af1ca9632c7b8b315d612f4b80ea2 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 @@ -722,6 +722,8 @@ 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> optional = villageplace.getType(globalpos.pos()); BiPredicate> bipredicate = (BiPredicate) Villager.POI_MEMORIES.get(pos); @@ -730,6 +732,7 @@ 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 c72b6ea5530e54fc373c701028e1c147cea34b59..6677b4cc23253a1b7dfbc2e12e666699bbadbdb4 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 093d1388ff90ad59110a37536b6639f939549068..448a6c8d73652824157c50cf4883d4d4d9b5db80 100644 --- a/src/main/java/net/minecraft/world/entity/player/Player.java +++ b/src/main/java/net/minecraft/world/entity/player/Player.java @@ -1533,6 +1533,14 @@ 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 31b8a8bf78d52b5f11b68e780ec09bf78e7bda84..3305c0642c9cd71c7e7c627fd8f9585d53f8b1f4 100644 --- a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java +++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java @@ -163,6 +163,11 @@ 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 a81d6a52674ddf7f818a7665cccd21dd8ea86cbe..b8c981f9d0b284cc459f4d230150ee49090ab346 100644 --- a/src/main/java/net/minecraft/world/entity/projectile/AbstractHurtingProjectile.java +++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractHurtingProjectile.java @@ -81,6 +81,11 @@ 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.igniteForSeconds(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 3df4005b6ddc075e5922c1e96e4ceb21d8b8ea43..1589934764196c870d171554173e48cd1e7a4d51 100644 --- a/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java +++ b/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java @@ -134,6 +134,11 @@ 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 35299affb699d745804a3b60cb78b9323f3e068e..485a8526778d51753a7c90bc672f5fcd3bb99811 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); @@ -614,10 +620,18 @@ 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 ffd01d24cbfc90e2a8807757e61b2cf20a944354..4ead19577f218dc3bd84260da8968c0fa00d7710 100644 --- a/src/main/java/net/minecraft/world/entity/projectile/LlamaSpit.java +++ b/src/main/java/net/minecraft/world/entity/projectile/LlamaSpit.java @@ -38,6 +38,11 @@ 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 74c596264d4da551437bd2a23e1c70022cfc73fc..a8d2f7a9d0bcb6db0b38ac30b098d59951053b47 100644 --- a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java +++ b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java @@ -71,9 +71,20 @@ 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; @@ -343,7 +354,7 @@ 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 3a11ad32d95088a5aca713a1a6a984cc22d4fa9a..6e16c7494490d584785ac8f06fe0f3dae236a97a 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 5b32364f1452e1b395b91921d045060fd94881b8..51f2ec6dd466c12282a68d07b46b8478f25c5135 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 fdff9788eaf663be79214b2ca491f0f0444f6136..7c9d63c94f36c1702fc48570b07393375c77bd21 100644 --- a/src/main/java/net/minecraft/world/entity/raid/Raid.java +++ b/src/main/java/net/minecraft/world/entity/raid/Raid.java @@ -116,6 +116,13 @@ public class Raid { public final org.bukkit.craftbukkit.persistence.CraftPersistentDataContainer persistentDataContainer = new org.bukkit.craftbukkit.persistence.CraftPersistentDataContainer(PDC_TYPE_REGISTRY); // Paper end + // 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(); @@ -229,7 +236,7 @@ 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 }; } @@ -553,7 +560,7 @@ public class Raid { boolean flag = true; Collection 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 98e558338b5d9fb03869d2cc21b3e90eb45b95f6..3d3ce2c3be74ce09ae1dbeec4540d72b84c72ed8 100644 --- a/src/main/java/net/minecraft/world/entity/raid/Raider.java +++ b/src/main/java/net/minecraft/world/entity/raid/Raider.java @@ -96,7 +96,7 @@ 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 8c60f71270d909c10e6617eb64b8fdb42deb73e9..1e441e723382518aff228656a1cb27559bdfd49a 100644 --- a/src/main/java/net/minecraft/world/entity/raid/Raids.java +++ b/src/main/java/net/minecraft/world/entity/raid/Raids.java @@ -26,9 +26,9 @@ import net.minecraft.world.phys.Vec3; public class Raids extends SavedData { private static final String RAID_FILE_ID = "raids"; - public final Map raidMap = Maps.newHashMap(); + public final Map 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 factory(ServerLevel world) { @@ -41,7 +41,7 @@ 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(); } @@ -49,12 +49,26 @@ 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(); @@ -68,14 +82,17 @@ 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; } @@ -88,7 +105,7 @@ 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 { List list = this.level.getPoiManager().getInRange((holder) -> { @@ -150,7 +167,7 @@ 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); @@ -166,7 +183,7 @@ public class Raids extends SavedData { @Override public CompoundTag save(CompoundTag nbt, HolderLookup.Provider registryLookup) { - 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(); @@ -188,7 +205,7 @@ public class Raids extends SavedData { } private int getUniqueId() { - return ++this.nextAvailableID; + return this.nextAvailableID.incrementAndGet(); // Folia - make raids thread-safe } @Nullable @@ -199,6 +216,11 @@ 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 83ef2c3e7b06152b9e68f90002c35e77f148347d..4fa3084cc8d6f4e4ed7722adac40c71ef1b60d43 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 d7f8464bf3eed0e42a5fc7f14a5b243d171f8b5e..97bd1d7b4613c977376e43e180d8ec2a15acbcca 100644 --- a/src/main/java/net/minecraft/world/entity/vehicle/MinecartHopper.java +++ b/src/main/java/net/minecraft/world/entity/vehicle/MinecartHopper.java @@ -132,7 +132,7 @@ 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 786e4a8700cb84b16dd9b8892a0d1d5803924d81..eddfb0d0e265129db48959c816899415572acebd 100644 --- a/src/main/java/net/minecraft/world/item/ArmorItem.java +++ b/src/main/java/net/minecraft/world/item/ArmorItem.java @@ -77,7 +77,7 @@ 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 893efb2c4a07c33d41e934279dd914a9dbd4ef79..40556d5cfc161de1af5c7fc679edf6b2110cf7e9 100644 --- a/src/main/java/net/minecraft/world/item/ItemStack.java +++ b/src/main/java/net/minecraft/world/item/ItemStack.java @@ -400,31 +400,32 @@ public final class ItemStack implements DataComponentHolder { DataComponentPatch oldData = this.getComponentsPatch(); 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 } DataComponentPatch newData = this.components.asPatch(); // Paper - Directly access components as patch instead of getComponentsPatch as said method yields EMPTY on items with count 0 int newCount = this.getCount(); this.setCount(oldCount); this.restorePatch(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 + worldData.captureTreeGeneration = false; Location location = CraftLocation.toBukkit(blockposition, world.getWorld()); - TreeType treeType = SaplingBlock.treeType; - SaplingBlock.treeType = null; - List 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 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; @@ -450,16 +451,16 @@ public final class ItemStack implements DataComponentHolder { entityhuman.awardStat(Stats.ITEM_USED.get(item)); // SPIGOT-7236 - award stat } - SignItem.openSign = null; // SPIGOT-6758 - Reset on early return + SignItem.openSign.set(null); // SPIGOT-6758 - Reset on early return // Folia - region threading return enuminteractionresult; } - world.captureTreeGeneration = false; + worldData.captureTreeGeneration = false; // Folia - region threading if (entityhuman != null && enuminteractionresult.indicateItemUse()) { InteractionHand enumhand = context.getHand(); org.bukkit.event.block.BlockPlaceEvent placeEvent = null; - List blocks = new java.util.ArrayList<>(world.capturedBlockStates.values()); - world.capturedBlockStates.clear(); + List 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 @@ -470,13 +471,13 @@ public final class ItemStack implements DataComponentHolder { 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 @@ -485,7 +486,7 @@ public final class ItemStack implements DataComponentHolder { // ((ServerPlayer) entityhuman).connection.send(new ClientboundBlockUpdatePacket(world, placedPos.relative(dir))); // } // Paper end - Don't resync blocks - SignItem.openSign = null; // SPIGOT-6758 - Reset on early return + SignItem.openSign.set(null); // SPIGOT-6758 - Reset on early return // Folia - region threading } else { // Change the stack to its new contents if it hasn't been tampered with. if (this.getCount() == oldCount && Objects.equals(this.components.asPatch(), oldData)) { @@ -493,7 +494,7 @@ public final class ItemStack implements DataComponentHolder { this.setCount(newCount); } - for (Map.Entry e : world.capturedTileEntities.entrySet()) { + for (Map.Entry e : worldData.capturedTileEntities.entrySet()) { // Folia - region threading world.setBlockEntity(e.getValue()); } @@ -544,15 +545,15 @@ public final class ItemStack implements DataComponentHolder { } // SPIGOT-4678 - if (this.item instanceof SignItem && SignItem.openSign != null) { + if (this.item instanceof SignItem && SignItem.openSign.get() != null) { // Folia - region threading try { - if (world.getBlockEntity(SignItem.openSign) instanceof SignBlockEntity tileentitysign) { - if (world.getBlockState(SignItem.openSign).getBlock() instanceof SignBlock blocksign) { + if (world.getBlockEntity(SignItem.openSign.get()) instanceof SignBlockEntity tileentitysign) { // Folia - region threading + if (world.getBlockState(SignItem.openSign.get()).getBlock() instanceof SignBlock blocksign) { // Folia - region threading blocksign.openTextEdit(entityhuman, tileentitysign, true, io.papermc.paper.event.player.PlayerOpenSignEvent.Cause.PLACE); // Paper - Add PlayerOpenSignEvent } } } finally { - SignItem.openSign = null; + SignItem.openSign.set(null); // Folia - region threading } } @@ -580,8 +581,8 @@ public final class ItemStack implements DataComponentHolder { 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 ce461b1a8d7fab87ae28e30205f6fab67f1808b6..957396b145b1d1adf265f8b9aaeba052758f007a 100644 --- a/src/main/java/net/minecraft/world/item/MapItem.java +++ b/src/main/java/net/minecraft/world/item/MapItem.java @@ -69,6 +69,7 @@ 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; @@ -98,8 +99,8 @@ public class MapItem extends ComplexItem { int r = (j / i + o - 64) * i; int s = (k / i + p - 64) * i; Multiset multiset = LinkedHashMultiset.create(); - LevelChunk levelChunk = world.getChunkIfLoaded(SectionPos.blockToSectionCoord(r), SectionPos.blockToSectionCoord(s)); // Paper - Maps shouldn't load chunks - if (levelChunk != null && !levelChunk.isEmpty()) { // Paper - Maps shouldn't load chunks + LevelChunk levelChunk = world.getChunkIfLoaded(SectionPos.blockToSectionCoord(r), SectionPos.blockToSectionCoord(s)); // Paper - Maps shouldn't load chunks // Folia - super important that it uses getChunkIfLoaded + if (levelChunk != null && !levelChunk.isEmpty() && io.papermc.paper.util.TickThread.isTickThreadFor((ServerLevel)world, levelChunk.getPos())) { // Paper - Maps shouldn't load chunks // Folia - make sure chunk is owned int t = 0; double e = 0.0; if (world.dimensionType().hasCeiling()) { @@ -181,6 +182,7 @@ public class MapItem extends ComplexItem { } } } + } // Folia - make map data thread-safe } private BlockState getCorrectStateForFluidBlock(Level world, BlockState state, BlockPos pos) { @@ -195,6 +197,7 @@ public class MapItem extends ComplexItem { public static void renderBiomePreviewMap(ServerLevel world, ItemStack map) { MapItemSavedData mapItemSavedData = getSavedData(map, world); if (mapItemSavedData != null) { + synchronized (mapItemSavedData) { // Folia - make map data thread-safe if (world.dimension() == mapItemSavedData.dimension) { int i = 1 << mapItemSavedData.scale; int j = mapItemSavedData.centerX; @@ -264,6 +267,7 @@ public class MapItem extends ComplexItem { } } } + } // Folia - make map data thread-safe } } @@ -272,6 +276,7 @@ public class MapItem extends ComplexItem { if (!world.isClientSide) { MapItemSavedData mapItemSavedData = getSavedData(stack, world); if (mapItemSavedData != null) { + synchronized (mapItemSavedData) { // Folia - region threading if (entity instanceof Player player) { mapItemSavedData.tickCarriedBy(player, stack); } @@ -279,6 +284,7 @@ public class MapItem extends ComplexItem { if (!mapItemSavedData.locked && (selected || entity instanceof Player && ((Player)entity).getOffhandItem() == stack)) { this.update(world, entity, mapItemSavedData); } + } // 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 66074445d3908b9bb1c8d70e1e27d057720ec8e5..90d45a589751231f01342b5861435b1cfb47a79e 100644 --- a/src/main/java/net/minecraft/world/item/MinecartItem.java +++ b/src/main/java/net/minecraft/world/item/MinecartItem.java @@ -71,7 +71,7 @@ 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/item/SignItem.java b/src/main/java/net/minecraft/world/item/SignItem.java index 21c25026da4117b2cb2c85576d2def945a97dbe2..e0b51cb4ef9e847dc9a2e66f2c87c94d6d93c6a3 100644 --- a/src/main/java/net/minecraft/world/item/SignItem.java +++ b/src/main/java/net/minecraft/world/item/SignItem.java @@ -13,7 +13,7 @@ import net.minecraft.world.level.block.state.BlockState; public class SignItem extends StandingAndWallBlockItem { - public static BlockPos openSign; // CraftBukkit + public static final ThreadLocal openSign = new ThreadLocal<>(); // CraftBukkit // Folia - region threading public SignItem(Item.Properties settings, Block standingBlock, Block wallBlock) { super(standingBlock, wallBlock, settings, Direction.DOWN); @@ -39,7 +39,7 @@ public class SignItem extends StandingAndWallBlockItem { // CraftBukkit start - SPIGOT-4678 // blocksign.openTextEdit(entityhuman, tileentitysign, true); - SignItem.openSign = pos; + SignItem.openSign.set(pos); // Folia - region threading // CraftBukkit end } } diff --git a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java index e6bfcc50cdf728216084bc00a5bb8b6b3b8f72e4..b8a571fcc44f67ac8f6089e039a8620bf6c40603 100644 --- a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java +++ b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java @@ -22,7 +22,7 @@ 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 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; @@ -117,6 +117,7 @@ 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"); @@ -175,11 +176,14 @@ public abstract class BaseCommandBlock implements CommandSource { this.customName = customName; } + 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 ea0aee88c7d901034427db201c1b2430f8a1d522..2a147a839e78b1d7bfb5eea86975402598aacf6c 100644 --- a/src/main/java/net/minecraft/world/level/EntityGetter.java +++ b/src/main/java/net/minecraft/world/level/EntityGetter.java @@ -39,6 +39,12 @@ public interface EntityGetter { return this.getEntities(EntityTypeTest.forClass(entityClass), box, predicate); } + // Folia start - region threading + default List getLocalPlayers() { + return java.util.Collections.emptyList(); + } + // Folia end - region threading + List players(); default List getEntities(@Nullable Entity except, AABB box) { @@ -130,7 +136,7 @@ public interface EntityGetter { double d = -1.0; 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 < 0.0 || e < maxDistance * maxDistance) && (d == -1.0 || e < d)) { @@ -151,7 +157,7 @@ public interface EntityGetter { default List findNearbyBukkitPlayers(double x, double y, double z, double radius, @Nullable Predicate predicate) { com.google.common.collect.ImmutableList.Builder 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); @@ -178,7 +184,7 @@ 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) { @@ -191,7 +197,7 @@ 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 < 0.0 || d < range * range) { @@ -205,17 +211,17 @@ 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, null, x, y, z); + return this.getNearestEntity(this.getLocalPlayers(), targetPredicate, null, x, y, z); // Folia - region threading } @Nullable @@ -252,7 +258,7 @@ public interface EntityGetter { default List getNearbyPlayers(TargetingConditions targetPredicate, LivingEntity entity, AABB box) { List 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); } @@ -278,8 +284,7 @@ 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 dc88014c4d9f172cc54e5d77b488128f9ffbc73d..1234203335675df14aadc029792ce56ba61dbc51 100644 --- a/src/main/java/net/minecraft/world/level/Explosion.java +++ b/src/main/java/net/minecraft/world/level/Explosion.java @@ -878,17 +878,18 @@ 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 b4ef3ad2c17168085372f1fe46809f02d9dfe74a..c038be43af1af9b077060ae26bb63756de02cdd0 100644 --- a/src/main/java/net/minecraft/world/level/Level.java +++ b/src/main/java/net/minecraft/world/level/Level.java @@ -114,10 +114,10 @@ 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 blockEntityTickers = Lists.newArrayList(); // Paper - public - protected final NeighborUpdater neighborUpdater; - private final List pendingBlockEntityTickers = Lists.newArrayList(); - private boolean tickingBlockEntities; + //public final List blockEntityTickers = Lists.newArrayList(); // Paper - public // Folia - region threading + public final int neighbourUpdateMax; //protected final NeighborUpdater neighborUpdater; // Folia - region threading + //private final List pendingBlockEntityTickers = Lists.newArrayList(); // Folia - region threading + //private boolean tickingBlockEntities; // Folia - region threading public final Thread thread; private final boolean isDebug; private int skyDarken; @@ -127,7 +127,7 @@ 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(); @@ -140,27 +140,17 @@ public abstract class Level implements LevelAccessor, AutoCloseable { private final ResourceKey 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; public boolean pvpMode; public org.bukkit.generator.ChunkGenerator generator; - public boolean preventPoiUpdated = false; // CraftBukkit - SPIGOT-5710 - public boolean captureBlockStates = false; - public boolean captureTreeGeneration = false; - public Map capturedBlockStates = new java.util.LinkedHashMap<>(); // Paper - public Map capturedTileEntities = new java.util.LinkedHashMap<>(); // Paper - Retain block place order when capturing blockstates - public List captureDrops; + // Folia - region threading - moved to regionised data public final it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap 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; @@ -174,9 +164,9 @@ 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 explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions - public java.util.ArrayDeque redstoneUpdateInfos; // Paper - Faster redstone torch rapid clock removal; Move from Map in BlockRedstoneTorch to here + //private int tileTickPosition; // Folia - region threading + //public final Map explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions // Folia - region threading + //public java.util.ArrayDeque 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 @@ -213,6 +203,33 @@ public abstract class Level implements LevelAccessor, AutoCloseable { public abstract ResourceKey getTypeKey(); + // Folia start - region ticking + public final io.papermc.paper.threadedregions.RegionizedData 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 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 getLocalPlayers() { + return this.getCurrentWorldData().getLocalPlayers(); + } + // Folia end - region ticking + protected Level(WritableLevelData worlddatamutable, ResourceKey resourcekey, RegistryAccess iregistrycustom, Holder holder, Supplier 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 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 @@ -253,7 +270,7 @@ 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 @@ -841,8 +858,8 @@ 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(); } @@ -904,16 +921,18 @@ 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.setData(state); blockstate.setFlag(flags); @@ -930,10 +949,10 @@ 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 @@ -943,8 +962,8 @@ 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; @@ -981,7 +1000,7 @@ 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 { @@ -1031,7 +1050,7 @@ 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); @@ -1045,7 +1064,7 @@ 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 @@ -1129,7 +1148,7 @@ 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 @@ -1154,11 +1173,34 @@ 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(); } @@ -1253,7 +1295,7 @@ 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() { @@ -1261,11 +1303,10 @@ 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 blockEntityTickers = regionizedWorldData.getBlockEntityTickers(); // Folia - regionised ticking this.timings.tileEntityPending.stopTiming(); // Spigot this.timings.tileEntityTick.startTiming(); // Spigot @@ -1276,9 +1317,8 @@ public abstract class Level implements LevelAccessor, AutoCloseable { int tilesThisCycle = 0; var toRemove = new it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet(); // 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()) { @@ -1289,19 +1329,19 @@ 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 void guardEntityTick(Consumer tickConsumer, T entity) { @@ -1314,7 +1354,8 @@ 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 } } @@ -1419,9 +1460,14 @@ 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 @@ -1434,8 +1480,8 @@ 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 @@ -1515,6 +1561,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable { @Override public List getEntities(@Nullable Entity except, AABB box, Predicate predicate) { + io.papermc.paper.util.TickThread.ensureTickThread((ServerLevel)this, box, "Cannot getEntities asynchronously"); // Folia - region threading this.getProfiler().incrementCounter("getEntities"); List list = Lists.newArrayList(); ((ServerLevel)this).getEntityLookup().getEntities(except, box, list, predicate); // Paper - optimise this call @@ -1534,6 +1581,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable { } public void getEntities(EntityTypeTest filter, AABB box, Predicate predicate, List 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 @@ -1571,13 +1619,30 @@ 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; @@ -1777,8 +1842,7 @@ 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 @@ -1809,7 +1873,7 @@ 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 54d13eebc9b01e9d77f51011b7de95b80bc21669..47c3e7f15e1ba9ea8a1c1bb1a0af61dd78dc1b85 100644 --- a/src/main/java/net/minecraft/world/level/LevelAccessor.java +++ b/src/main/java/net/minecraft/world/level/LevelAccessor.java @@ -38,12 +38,22 @@ public interface LevelAccessor extends CommonLevelAccessor, LevelTimeAccess { LevelTickAccess getBlockTicks(); + // Folia start - region threading + default long getGameTime() { + return this.getLevelData().getGameTime(); + } + + default long getRedstoneGameTime() { + return this.getLevelData().getGameTime(); + } + // Folia end - region threading + private ScheduledTick createTick(BlockPos pos, T type, int delay, TickPriority priority) { - 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 } private ScheduledTick createTick(BlockPos pos, T type, int delay) { - 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 32bfeb9aa87b43a9d2ce46dcc99dbd0ff355b412..440fb4f9b2804b71a6cf7e5fddbd0386d4b2af02 100644 --- a/src/main/java/net/minecraft/world/level/LevelReader.java +++ b/src/main/java/net/minecraft/world/level/LevelReader.java @@ -205,6 +205,25 @@ public interface LevelReader extends BlockAndTintGetter, CollisionGetter, Signal return maxY >= this.getMinBuildHeight() && minY < this.getMaxBuildHeight() && this.hasChunksAt(minX, minZ, maxX, maxZ); } + // 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 default boolean hasChunksAt(int minX, int minZ, int maxX, int maxZ) { int i = SectionPos.blockToSectionCoord(minX); diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java index ed8032495af9ce9c23419224814b8d27e4a97c17..db64d88dc26f10304bd10f771f811fcbfaa34bc8 100644 --- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java +++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java @@ -141,7 +141,7 @@ 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 54972cce2314eff774250101df43a9b7074e9604..0c4942895a83ce1392dd1e71a00ab6d0cb15dab7 100644 --- a/src/main/java/net/minecraft/world/level/StructureManager.java +++ b/src/main/java/net/minecraft/world/level/StructureManager.java @@ -48,11 +48,7 @@ public class StructureManager { } public List startsForStructure(ChunkPos pos, Predicate predicate) { - // Paper start - Fix swamp hut cat generation deadlock - return this.startsForStructure(pos, predicate, null); - } - public List startsForStructure(ChunkPos pos, Predicate predicate, @Nullable ServerLevelAccessor levelAccessor) { - Map map = (levelAccessor == null ? this.level : levelAccessor).getChunk(pos.x, pos.z, ChunkStatus.STRUCTURE_REFERENCES).getAllReferences(); + Map map = this.level.getChunk(pos.x, pos.z, ChunkStatus.STRUCTURE_REFERENCES).getAllReferences(); // Folia - region threading // Paper end - Fix swamp hut cat generation deadlock Builder builder = ImmutableList.builder(); @@ -121,20 +117,11 @@ public class StructureManager { } public StructureStart getStructureWithPieceAt(BlockPos pos, Predicate> predicate) { - // Paper start - Fix swamp hut cat generation deadlock - return this.getStructureWithPieceAt(pos, predicate, null); - } - - public StructureStart getStructureWithPieceAt(BlockPos pos, TagKey tag, @Nullable ServerLevelAccessor levelAccessor) { - return this.getStructureWithPieceAt(pos, structure -> structure.is(tag), levelAccessor); - } - - public StructureStart getStructureWithPieceAt(BlockPos pos, Predicate> predicate, @Nullable ServerLevelAccessor levelAccessor) { - // Paper end - Fix swamp hut cat generation deadlock + // Folia - region threading Registry registry = this.registryAccess().registryOrThrow(Registries.STRUCTURE); for (StructureStart structureStart : this.startsForStructure( - new ChunkPos(pos), structure -> registry.getHolder(registry.getId(structure)).map(predicate::test).orElse(false), levelAccessor // Paper - Fix swamp hut cat generation deadlock + new ChunkPos(pos), structure -> registry.getHolder(registry.getId(structure)).map(predicate::test).orElse(false) // Paper - Fix swamp hut cat generation deadlock // Folia - region threading )) { if (this.structureHasPieceAt(pos, structureStart)) { return structureStart; @@ -179,7 +166,7 @@ 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 4459685d1fb655f93a523ae50b62d6b97785ed90..318e4939591cc51c0a72f82d51084d140b9d12c4 100644 --- a/src/main/java/net/minecraft/world/level/block/BedBlock.java +++ b/src/main/java/net/minecraft/world/level/block/BedBlock.java @@ -365,7 +365,7 @@ 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 cf8b8c8efd1c9c81eb5f02d75bd75875eb66771f..b266cc2319177366471ee0bbf570a931974b642a 100644 --- a/src/main/java/net/minecraft/world/level/block/Block.java +++ b/src/main/java/net/minecraft/world/level/block/Block.java @@ -390,8 +390,8 @@ 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 a7b4b5600e3c889c69ac22294899713d50b5fe5c..08847aff604a254e82b4a7d31281953ef04462dd 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 { protected 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 26ec4838c476b8091f80aeac61db8041d5c89e88..82d333b2644c7af7137f155bfd10e03e8d7e9adc 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 f6edfea463b3725d3a79aca38825e86dbf82175c..92cab51f6b3eeb07b574bd3ba82d736e8880acae 100644 --- a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java +++ b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java @@ -51,7 +51,7 @@ public class DispenserBlock extends BaseEntityBlock { object2objectopenhashmap.defaultReturnValue(DispenserBlock.DEFAULT_BEHAVIOR); }); private static final int TRIGGER_DURATION = 4; - public static boolean eventFired = false; // CraftBukkit + public static ThreadLocal eventFired = ThreadLocal.withInitial(() -> Boolean.FALSE); // CraftBukkit // Folia - region threading @Override public MapCodec codec() { @@ -111,7 +111,7 @@ 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 f446c40c4d90307c568faa2866800f5326634df6..455be3cd52cf21bc37d54b8d408e458da7ae9b72 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 7272d70c672b54dcf595beafd7a2ed33c96e35cb..aeac09f628bd04070fd302842c304a7dfd39b229 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 d59e33e7326489c6d55d316d0130f22235f4c63c..edb22983a17cc22ba01ee28a9ebc685aaae117eb 100644 --- a/src/main/java/net/minecraft/world/level/block/FarmBlock.java +++ b/src/main/java/net/minecraft/world/level/block/FarmBlock.java @@ -93,8 +93,8 @@ public class FarmBlock extends Block { @Override protected 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 454f95ba814b375e97189430b498c0e7486fbd94..59874de6c66f48984d9ba35c6886595027259765 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 c6f7815b5fad3aad4635208aa2e5c6739e13cb45..be52d9e56559704c7f258502b4c2919a245d2c2f 100644 --- a/src/main/java/net/minecraft/world/level/block/HoneyBlock.java +++ b/src/main/java/net/minecraft/world/level/block/HoneyBlock.java @@ -86,7 +86,7 @@ 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 d230ead6042239178bd5c3345aa5366e3082637f..35edc3fef7584178ad15e8c2b939896e4c8ca3e0 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 1172d85c5c26ab2142343d91149766e5993cb36a..99d42fdf822c13e8d491b665220d61579143c8e6 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 c131734cad123a35456d18f8a161f77a4ac9ac99..c4471342eea4f9e2b0916fc1c5f1b24bc07757fd 100644 --- a/src/main/java/net/minecraft/world/level/block/RedStoneWireBlock.java +++ b/src/main/java/net/minecraft/world/level/block/RedStoneWireBlock.java @@ -68,7 +68,7 @@ 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 codec() { @@ -260,7 +260,11 @@ 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 @@ -269,7 +273,7 @@ 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); @@ -288,9 +292,9 @@ 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. @@ -360,7 +364,7 @@ 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 } } @@ -409,10 +413,10 @@ 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) { @@ -551,12 +555,12 @@ public class RedStoneWireBlock extends Block { @Override protected 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 protected 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); @@ -583,7 +587,10 @@ public class RedStoneWireBlock extends Block { @Override protected 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 ceba9617748a8b4f3a9bd459475952c9c6c9ed7c..525d3b4c0b91b87399748fceda61c4046fa6bef2 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 { protected 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 redstoneUpdateInfos = world.redstoneUpdateInfos; + java.util.ArrayDeque 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 list = world.redstoneUpdateInfos; + java.util.ArrayDeque 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 d262a5a6da57ef9ba9a6fe0dfbc88f577105e74f..e842c05cfe5991ba33582b9399610affbd02913f 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 treeTypeRT = new ThreadLocal<>(); // CraftBukkit // Folia - region threading @Override public MapCodec 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 blocks = new java.util.ArrayList<>(world.capturedBlockStates.values()); - world.capturedBlockStates.clear(); + java.util.List 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 b7165ec19bef1a07f6618fc0429d86cda1b08da4..ad44708d19d216ed57c664940ccd1c8ecb78877c 100644 --- a/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java +++ b/src/main/java/net/minecraft/world/level/block/SpreadingSnowyDirtBlock.java @@ -54,7 +54,7 @@ public abstract class SpreadingSnowyDirtBlock extends SnowyDirtBlock { @Override protected void randomTick(BlockState state, ServerLevel world, BlockPos pos, RandomSource random) { - if (this instanceof GrassBlock && world.paperConfig().tickRates.grassSpread != 1 && (world.paperConfig().tickRates.grassSpread < 1 || (net.minecraft.server.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 final 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 bbf59b2577812e74ffd45f694b83a42e043273c0..9d4ecf409098adbf4d47b08d7ef10c6d9c3de113 100644 --- a/src/main/java/net/minecraft/world/level/block/WitherSkullBlock.java +++ b/src/main/java/net/minecraft/world/level/block/WitherSkullBlock.java @@ -61,7 +61,7 @@ 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 a6ffbbc1b5021564864e42c0756342352c2b8290..28d0dbb81a68ecf2dfba6744093e26bbba291966 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 @@ -215,7 +215,7 @@ 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 6349f2e0a5ba30d250f5ffe43771f325c0999a76..a3aa4a567c15cb3ac124caa17fd16fdf1f7d37b7 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 @@ -38,7 +38,7 @@ 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 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 @@ -54,6 +54,12 @@ public abstract class BlockEntity { private BlockState blockState; private DataComponentMap components; + // 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.components = DataComponentMap.EMPTY; this.type = type; @@ -217,7 +223,7 @@ 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 887957ce1ddc2f32569405642f35df468c08271f..a1cd6dcabe480c1714bdc15d53aadc828e041f6d 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 @@ -54,7 +54,7 @@ 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 transaction = new java.util.ArrayList(); private int maxStack = MAX_STACK; @@ -170,11 +170,10 @@ 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 6c484f3f8f37a19992ebbfe30aba399cac21acfe..733a3d17b8e06b1c078ccf9e533fdaad89f110cc 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 @@ -61,6 +61,13 @@ 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 73e532dc998e5701c1a73da846da3d3a79871b81..5e4cb998554791cdfc2e32ae7115f87e9e23feff 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 @@ -84,7 +84,7 @@ 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 list = blockEntity.effectBlocks; if (i % 40L == 0L) { @@ -102,7 +102,7 @@ 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 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 8310d132006043e93c612890514c4c7f3eb1c74d..1280c358748bbb08f0361acd4ebc095bf6bc3496 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 @@ -49,7 +49,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen private static final int[][] CACHED_SLOTS = new int[54][]; private NonNullList items; public int cooldownTime; - private long tickedGameTime; + private long tickedGameTime = Long.MIN_VALUE; // Folia - region threading private Direction facing; // CraftBukkit start - add fields and methods @@ -82,6 +82,16 @@ 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); + if (this.tickedGameTime != Long.MIN_VALUE) { + 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); @@ -141,7 +151,7 @@ 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 @@ -237,12 +247,11 @@ 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); @@ -257,7 +266,7 @@ 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); @@ -287,13 +296,14 @@ 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); @@ -313,9 +323,9 @@ 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; } @@ -330,12 +340,13 @@ 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); @@ -351,6 +362,7 @@ 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); @@ -358,7 +370,7 @@ 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); @@ -541,13 +553,14 @@ 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 BlockPos blockposition = BlockPos.containing(hopper.getLevelX(), hopper.getLevelY() + 1.0D, hopper.getLevelZ()); BlockState iblockdata = world.getBlockState(blockposition); Container iinventory = HopperBlockEntity.getSourceContainer(world, hopper, blockposition, iblockdata); if (iinventory != null) { Direction enumdirection = Direction.DOWN; - skipPullModeEventFire = skipHopperEvents; // Paper - Perf: Optimize Hoppers + worldData.skipPullModeEventFire = worldData.skipHopperEvents; // Paper - Perf: Optimize Hoppers // Folia - region threading int[] aint = HopperBlockEntity.getSlots(iinventory, enumdirection); int i = aint.length; @@ -733,9 +746,9 @@ 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 81dd0aa6a90fd9dda9e7752f85b9cf4568e3b575..a56804cd7ba9197993d1c3f83f7c3e054bd08bb0 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 @@ -45,9 +45,9 @@ 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 93bd70c1dc2ba8b893a6087730071c81fb1132f4..c9ae953efc128e828e7bd2067af5c25a4897df1d 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 @@ -52,9 +52,12 @@ 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); } @@ -117,7 +120,7 @@ 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() { @@ -165,8 +168,136 @@ 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 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 worldserver && !blockEntity.isCoolingDown()) { + // Folia start - region threading + if (true) { + teleportRegionThreading(world, pos, state, entity, blockEntity); + return; + } + // Folia end - region threading blockEntity.teleportCooldown = 100; BlockPos blockposition1; @@ -269,6 +400,129 @@ 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 complete) { + ca.spottedleaf.concurrentutil.completable.Completable 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 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 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 5803a6731d1d35afc3df316546519fa0d423af6e..576c5aba2209cbeccd09a7ba5803b3780178f39b 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 @@ -174,51 +174,53 @@ public final class TreeGrower { // CraftBukkit start private void setTreeType(Holder> holder) { ResourceKey> 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/PistonBaseBlock.java b/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java index e0c62227b279a5fe0f3868fbf9ce8c78c515a09c..bf9a6f40998144ba7dbdfafc8dbdbb84168d1edb 100644 --- a/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java +++ b/src/main/java/net/minecraft/world/level/block/piston/PistonBaseBlock.java @@ -153,7 +153,7 @@ public class PistonBaseBlock extends DirectionalBlock { if (tileentity instanceof PistonMovingBlockEntity) { PistonMovingBlockEntity tileentitypiston = (PistonMovingBlockEntity) tileentity; - if (tileentitypiston.isExtending() && (tileentitypiston.getProgress(0.0F) < 0.5F || world.getGameTime() == tileentitypiston.getLastTicked() || ((ServerLevel) world).isHandlingTick())) { + if (tileentitypiston.isExtending() && (tileentitypiston.getProgress(0.0F) < 0.5F || world.getRedstoneGameTime() == tileentitypiston.getLastTicked() || ((ServerLevel) world).isHandlingTick())) { // Folia - region threading b0 = 2; } } 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 b35f476e26a020cf75e53a5eb488717d996a6935..58b570cfdd52b414752b5a117946d59031eafe94 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 @@ -40,9 +40,19 @@ public class PistonMovingBlockEntity extends BlockEntity { private static final ThreadLocal NOCLIP = ThreadLocal.withInitial(() -> null); private float progress; private float progressO; - private long lastTicked; + private long lastTicked = Long.MIN_VALUE; // Folia - region threading private int deathTicks; + // Folia start - region threading + @Override + public void updateTicks(long fromTickOffset, long fromRedstoneTimeOffset) { + super.updateTicks(fromTickOffset, fromRedstoneTimeOffset); + if (this.lastTicked != Long.MIN_VALUE) { + this.lastTicked += fromRedstoneTimeOffset; + } + } + // Folia end - region threading + public PistonMovingBlockEntity(BlockPos pos, BlockState state) { super(BlockEntityType.PISTON, pos, state); } @@ -149,8 +159,8 @@ 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; } @@ -290,7 +300,7 @@ public class PistonMovingBlockEntity extends BlockEntity { } public static void tick(Level world, BlockPos pos, BlockState state, PistonMovingBlockEntity blockEntity) { - blockEntity.lastTicked = world.getGameTime(); + blockEntity.lastTicked = world.getRedstoneGameTime(); // Folia - region threading blockEntity.progressO = blockEntity.progress; if (blockEntity.progressO >= 1.0F) { if (world.isClientSide && blockEntity.deathTicks < 5) { 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 6c6eb7deed281678c05ef27f933e1693b11dae7c..e1572c7d5409bde5e73905d8814d2d1defcfc227 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 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 927bdebdb8ae01613f0cea074b3367bd7ffe9ab1..9a17f3d0b53b2ab0358012e4238164f8af0a6c6e 100644 --- a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java +++ b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java @@ -326,7 +326,7 @@ 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 2a8609e33716949ff1877b6d10f64a9d7a7c81e9..f1f0391b5e5b808b1176bc76e7c49fc7ecd141a4 100644 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java @@ -61,6 +61,13 @@ 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; } @@ -1115,6 +1123,13 @@ 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(); @@ -1151,6 +1166,13 @@ 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 db932f8e9d48e1e47a89526d1d76947e91b55eea..f72e2ffba316ac51ea8d54ee2ea4cf4540d68d42 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 @@ -632,7 +632,7 @@ 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 18a1b4325cac81b040596071dab99ef9bf6f3142..23b8776fb5379a3cbe5ee95a953cbf7cbd904f94 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 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 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 1741360aa3f2409b1a8ddf1d4602ffe57651a586..0788c67a09e67b9775c0d073efc72547f90df94a 100644 --- a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java +++ b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java @@ -18,7 +18,7 @@ import net.minecraft.world.level.block.state.BlockState; public class PatrolSpawner implements CustomSpawner { - private int nextTick; + //private int nextTick; // Folia - region threading public PatrolSpawner() {} @@ -31,15 +31,16 @@ 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; } @@ -49,8 +50,8 @@ 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) { @@ -65,7 +66,7 @@ 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 1b1b475ca27e799e251d6f8a8c9fe1a4fd8bae83..3085658976345d095e7c38a0edab42cb92fe5d03 100644 --- a/src/main/java/net/minecraft/world/level/levelgen/PhantomSpawner.java +++ b/src/main/java/net/minecraft/world/level/levelgen/PhantomSpawner.java @@ -21,7 +21,7 @@ import net.minecraft.world.level.material.FluidState; public class PhantomSpawner implements CustomSpawner { - private int nextTick; + //private int nextTick; // Folia - region threading public PhantomSpawner() {} @@ -39,20 +39,22 @@ 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 2407d93c11b806701fc7d192f39d535128281e80..e251935b89799046e82228f49ea7a7737078892b 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 106af2b2c7ff72c7549975aef75cdcff8d9a7d97..67be58de9f684e440b62541365c079cfffe30e51 100644 --- a/src/main/java/net/minecraft/world/level/redstone/CollectingNeighborUpdater.java +++ b/src/main/java/net/minecraft/world/level/redstone/CollectingNeighborUpdater.java @@ -48,6 +48,7 @@ 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 4cbb943b702baaeb8bfd2b558cc848e719cf095d..6869144a2c1bb37d15f3fec622497b8d20ab2c68 100644 --- a/src/main/java/net/minecraft/world/level/saveddata/SavedData.java +++ b/src/main/java/net/minecraft/world/level/saveddata/SavedData.java @@ -14,7 +14,7 @@ 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, HolderLookup.Provider registryLookup); @@ -39,6 +39,7 @@ public abstract class SavedData { public java.util.concurrent.CompletableFuture save(File file, HolderLookup.Provider registryLookup, @org.jetbrains.annotations.Nullable java.util.concurrent.ExecutorService ioExecutor) { // Paper end - 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(), registryLookup)); NbtUtils.addCurrentDataVersion(compoundTag); @@ -51,7 +52,7 @@ 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 763b315b1d761bc3bd82d9b847ed3f64fd5ce991..7a044d337df8a14150a695d539a8e5c8799c4032 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 @@ -34,17 +34,21 @@ public class MapIndex extends SavedData { @Override public CompoundTag save(CompoundTag nbt, HolderLookup.Provider registryLookup) { + synchronized (this.usedAuxIds) { // Folia - make map data thread-safe for (Entry entry : this.usedAuxIds.object2IntEntrySet()) { nbt.putInt(entry.getKey(), entry.getIntValue()); } + } // Folia - make map data thread-safe return nbt; } public MapId 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 new MapId(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 cf8ae635fce7ea66d4e1ab1dc05575f035fa95ef..6b131c112ca227f9f910d5d88cf8314cc088be03 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 @@ -211,7 +211,7 @@ public class MapItemSavedData extends SavedData { } @Override - public CompoundTag save(CompoundTag nbt, HolderLookup.Provider registryLookup) { + public synchronized CompoundTag save(CompoundTag nbt, HolderLookup.Provider registryLookup) { // Folia - make map data thread-safe DataResult dataresult = ResourceLocation.CODEC.encodeStart(NbtOps.INSTANCE, this.dimension.location()); // CraftBukkit - decompile error Logger logger = MapItemSavedData.LOGGER; @@ -261,7 +261,7 @@ 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); @@ -272,7 +272,7 @@ public class MapItemSavedData extends SavedData { return worldmap; } - public MapItemSavedData scaled() { + public synchronized MapItemSavedData scaled() { // Folia - make map data thread-safe return MapItemSavedData.createFresh((double) this.centerX, (double) this.centerZ, (byte) Mth.clamp(this.scale + 1, 0, 4), this.trackingPosition, this.unlimitedTracking, this.dimension); } @@ -284,7 +284,8 @@ public class MapItemSavedData extends SavedData { }; } - 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); @@ -378,7 +379,7 @@ 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); } @@ -437,14 +438,14 @@ public class MapItemSavedData extends SavedData { } @Nullable - public Packet getUpdatePacket(MapId mapId, Player player) { + public synchronized Packet getUpdatePacket(MapId mapId, 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(mapId); } - 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()) { @@ -452,15 +453,16 @@ 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) { @@ -472,7 +474,7 @@ 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; @@ -481,7 +483,7 @@ 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; @@ -502,7 +504,7 @@ 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()) { @@ -524,12 +526,12 @@ 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) { @@ -540,12 +542,12 @@ 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; @@ -580,7 +582,7 @@ public class MapItemSavedData extends SavedData { return this.decorations.values(); } - public boolean isTrackedCountOverLimit(int decorationCount) { + public synchronized boolean isTrackedCountOverLimit(int decorationCount) { // Folia - make map data thread-safe return this.trackedDecorationCount >= decorationCount; } @@ -724,11 +726,13 @@ 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 6e23e69abd56eeda3b52a22019e1b74ae10682e7..2c086f1d4cbfc29a759a77e5c5f9f39d177e81ba 100644 --- a/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java +++ b/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java @@ -43,6 +43,7 @@ public class DimensionDataStorage implements java.io.Closeable { // Paper - Writ } public T computeIfAbsent(SavedData.Factory type, String id) { + synchronized (this.cache) { // Folia - make map data thread-safe T savedData = this.get(type, id); if (savedData != null) { return savedData; @@ -51,10 +52,12 @@ public class DimensionDataStorage implements java.io.Closeable { // Paper - Writ this.set(id, savedData2); return savedData2; } + } // Folia - make map data thread-safe } @Nullable public T get(SavedData.Factory 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); @@ -62,6 +65,7 @@ public class DimensionDataStorage implements java.io.Closeable { // Paper - Writ } return (T)savedData; + } // Folia - make map data thread-safe } @Nullable @@ -80,7 +84,9 @@ 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 2cdd18f724296f10cd4a522d1e8196723d39cf45..b329d8327d73fc90586945834305fc3a50610c6e 100644 --- a/src/main/java/net/minecraft/world/ticks/LevelChunkTicks.java +++ b/src/main/java/net/minecraft/world/ticks/LevelChunkTicks.java @@ -38,6 +38,21 @@ public class LevelChunkTicks implements SerializableTickContainer, 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[] queue = this.tickQueue.toArray(new ScheduledTick[0]); + this.tickQueue.clear(); + for (final ScheduledTick entry : queue) { + final ScheduledTick 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 7a69564572357a7acc043e35b9c113beeb738951..f71661ef4250d3b668fffeea7cd74a28eec95acd 100644 --- a/src/main/java/net/minecraft/world/ticks/LevelTicks.java +++ b/src/main/java/net/minecraft/world/ticks/LevelTicks.java @@ -39,12 +39,69 @@ public class LevelTicks implements LevelTickAccess { private final List> alreadyRunThisTick = new ArrayList<>(); private final Set> toRunThisTickSet = new ObjectOpenCustomHashSet<>(ScheduledTick.UNIQUE_TICK_HASH); private final BiConsumer, ScheduledTick> 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 profilerGetter) { + // Folia start - region threading + public final net.minecraft.server.level.ServerLevel world; + public final boolean isBlock; + + public void merge(final LevelTicks 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>> iterator = + ((Long2ObjectOpenHashMap>)this.allContainers).long2ObjectEntrySet().fastIterator(); + iterator.hasNext();) { + final Long2ObjectMap.Entry> entry = iterator.next(); + final LevelChunkTicks tickContainer = entry.getValue(); + tickContainer.offsetTicks(tickOffset); + into.allContainers.put(entry.getLongKey(), tickContainer); + } + for (final java.util.Iterator 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> regionToData) { + for (final java.util.Iterator>> iterator = + ((Long2ObjectOpenHashMap>)this.allContainers).long2ObjectEntrySet().fastIterator(); + iterator.hasNext();) { + final Long2ObjectMap.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).allContainers.put(chunkKey, entry.getValue()); + } + for (final java.util.Iterator 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 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; } @@ -57,7 +114,17 @@ public class LevelTicks implements LevelTickAccess { 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) { @@ -71,6 +138,7 @@ public class LevelTicks implements LevelTickAccess { @Override public void schedule(ScheduledTick 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 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 d50b1f84dfb6e30fd0d0dd2ee66f874681ad6b78..e4015835ebaa5fb96cbe90f7f9640fe5b5cb713e 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java @@ -311,7 +311,7 @@ public final class CraftServer implements Server { private final io.papermc.paper.potion.PaperPotionBrewer potionBrewer; // 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(); @@ -379,6 +379,12 @@ 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; } @@ -3254,7 +3297,7 @@ 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 f2b20ed5063a293f0b464548f590d652170cd1d8..0e549bfbecc15befc129a0382e189ba8cdd74c87 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -193,7 +193,7 @@ 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 @@ -263,7 +263,7 @@ 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 @@ -350,6 +350,7 @@ 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); @@ -373,7 +374,7 @@ 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 @@ -392,10 +393,10 @@ 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) { @@ -449,7 +450,7 @@ 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; } @@ -464,7 +465,7 @@ 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; @@ -529,6 +530,7 @@ 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; @@ -564,7 +566,7 @@ 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); @@ -633,7 +635,7 @@ 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; } @@ -843,13 +845,15 @@ 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(); @@ -857,10 +861,10 @@ 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; } } @@ -894,6 +898,7 @@ 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); @@ -906,6 +911,7 @@ 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); @@ -933,7 +939,7 @@ public class CraftWorld extends CraftRegionAccessor implements World { @Override public long getGameTime() { - return this.world.levelData.getGameTime(); + return this.getHandle().getGameTime(); // Folia - region threading } @Override @@ -962,11 +968,13 @@ public class CraftWorld extends CraftRegionAccessor implements World { explosionType = net.minecraft.world.level.Level.ExplosionInteraction.MOB; // Respect mobGriefing gamerule } + io.papermc.paper.util.TickThread.ensureTickThread(this.world, x, z, "Cannot create explosion asynchronously"); // Folia - region threading return !this.world.explode(source == null ? null : ((CraftEntity) source).getHandle(), x, y, z, power, setFire, explosionType).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"); // Folia - region threading 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 @@ -1043,6 +1051,7 @@ 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); @@ -1073,6 +1082,7 @@ public class CraftWorld extends CraftRegionAccessor implements World { @Override public void setBiome(int x, int y, int z, Holder 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); @@ -1383,6 +1393,7 @@ 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) @@ -1395,6 +1406,7 @@ 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); } @@ -1405,6 +1417,7 @@ 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) @@ -1417,6 +1430,7 @@ 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); } @@ -1427,6 +1441,7 @@ 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); } @@ -1621,6 +1636,7 @@ 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 if (keepLoaded) { this.setGameRule(GameRule.SPAWN_CHUNK_RADIUS, this.getGameRuleDefault(GameRule.SPAWN_CHUNK_RADIUS)); } else { @@ -1689,6 +1705,7 @@ 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; } @@ -1701,6 +1718,7 @@ 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); } @@ -1713,6 +1731,7 @@ 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); } @@ -1725,6 +1744,7 @@ 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); } @@ -1737,6 +1757,7 @@ 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); } @@ -1749,6 +1770,7 @@ 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); } @@ -1761,11 +1783,13 @@ 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); @@ -1782,21 +1806,25 @@ 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 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); } @@ -1809,6 +1837,7 @@ 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); } @@ -1821,6 +1850,7 @@ 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); } @@ -1833,6 +1863,7 @@ 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); } @@ -1845,6 +1876,7 @@ 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); } @@ -1857,6 +1889,7 @@ 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); } @@ -1869,6 +1902,7 @@ 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); } @@ -1891,6 +1925,7 @@ 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); @@ -1973,7 +2008,7 @@ 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); } @@ -1985,7 +2020,7 @@ 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); } @@ -2074,6 +2109,7 @@ 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; @@ -2116,6 +2152,7 @@ public class CraftWorld extends CraftRegionAccessor implements World { @Override public boolean setGameRule(GameRule 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"); @@ -2367,6 +2404,12 @@ 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.getHolder(org.bukkit.craftbukkit.util.CraftNamespacedKey.toMinecraft(gameEvent.getKey())).orElseThrow(), org.bukkit.craftbukkit.util.CraftVector.toBlockPos(position)); } // Paper end @@ -2495,7 +2538,7 @@ public class CraftWorld extends CraftRegionAccessor implements World { // Paper start public java.util.concurrent.CompletableFuture 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)); @@ -2512,7 +2555,7 @@ public class CraftWorld extends CraftRegionAccessor implements World { java.util.concurrent.CompletableFuture 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/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java index ac11f18690434922179b61ffcc3036dea025b0cb..9efe9fce59a0b4fe7315dc41d1e21615b97e5cf6 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); } @@ -157,6 +162,11 @@ 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); } @@ -198,6 +208,11 @@ 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 @@ -343,18 +358,33 @@ 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); } @@ -402,6 +432,11 @@ 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); @@ -414,6 +449,11 @@ 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(); @@ -500,6 +540,11 @@ 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(); @@ -543,21 +588,27 @@ 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 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 blocks = new ArrayList<>(worldData.capturedBlockStates.values()); // Folia - region threading + worldData.capturedBlockStates.clear(); // Folia - region threading StructureGrowEvent structureEvent = null; if (treeType != null) { @@ -644,6 +695,11 @@ 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(); @@ -685,6 +741,11 @@ 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(); @@ -719,18 +780,32 @@ 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 final ServerLevel level = this.world.getMinecraftWorld(); this.getNMS().tick(level, this.position, level.random); } - @Override public void fluidTick() { + // 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.getNMSFluid().tick(this.world.getMinecraftWorld(), this.position); } @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 final ServerLevel level = this.world.getMinecraftWorld(); this.getNMS().randomTick(level, this.position, level.random); } diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java index fa63a6cfcfcc4eee4503a82d85333c139c8c8b2b..1afd553624613a7af276fd81770ba9af131eca93 100644 --- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java +++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java @@ -215,6 +215,12 @@ 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 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 this.requirePlaced(); net.minecraft.world.item.ItemStack nms = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(item); 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 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 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 a2d336ceb52b63db5c03432ee7bc94dc6a742b82..cf9282a46534319308e9ccf69f332a5c8c1745cf 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 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) { @@ -1004,7 +1009,7 @@ 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; @@ -1042,29 +1047,43 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity { 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 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()); + java.util.function.Consumer 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_TELEPORT_PASSENGERS, // preserve behavior with old API: dismount the entity so it can teleport + (Entity entityTp) -> { + ret.complete(Boolean.TRUE); } - net.minecraft.server.MinecraftServer.getServer().scheduleOnMain(() -> { - try { - ret.complete(CraftEntity.this.teleport(locationClone, cause, teleportFlags) ? 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); - } - }); - }); + ); + 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 } // Paper end - more teleport API / async chunk API diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java index 5f896948d158651cd9837364759dbfbcce6b7d21..81f442d23582049757353d9aba02d612e6058299 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java @@ -647,7 +647,7 @@ 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 @@ -1394,6 +1394,11 @@ 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 relativeArguments; Set allFlags; if (flags.length == 0) { @@ -2040,7 +2045,7 @@ 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()); } @@ -2137,7 +2142,7 @@ 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 547ab158cd0cbf51da06ea97740cfce34bca651b..570fb9e4c6750666c8a498e896520bd4bdb3610e 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 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()) { @@ -2143,7 +2143,7 @@ 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 a1c9989df460d7ae3666fffe7968750832a30b85..521b9c19e3d50a0ecc59cdcce0a7d7d79544085b 100644 --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java @@ -383,6 +383,12 @@ public final class CraftMagicNumbers implements UnsafeValues { throw new InvalidPluginException("Unsupported API version " + pdf.getAPIVersion()); } + // 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 (toCheck.isOlderThan(minimumVersion)) { // Older than supported throw new InvalidPluginException("Plugin API version " + pdf.getAPIVersion() + " is lower than the minimum allowed version. Please update or replace it."); diff --git a/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java b/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java index 41a291d42667c38d3e5bbe47236772761e85929b..1c0e4f11d4d0be568ed38a02bf9e8f857fca69fc 100644 --- a/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java +++ b/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java @@ -68,6 +68,13 @@ 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 3283ed99c35ffed6805567705e0518d9f84feedc..4fc4690d03fd5f39e019f16845954052210c7361 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 @@ -176,10 +177,11 @@ 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 @@ -193,9 +195,9 @@ 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; @@ -203,26 +205,33 @@ 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 entities = world.getEntities((Entity)null, ActivationRange.maxBB, null); + java.util.List 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 } @@ -234,18 +243,18 @@ 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 } } } @@ -268,10 +277,10 @@ 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 @@ -394,19 +403,19 @@ 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 6c2a3813e7d63d57f07a8fa2edbb9d231221d818..97ee030af8d5328611e3c0ed2ca1eb59d1907f7b 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 )