Upstream/Paper
1
0
Fork 0
mirror of https://github.com/PaperMC/Paper.git synced 2024-09-17 17:31:06 +02:00
Code Issues Projects Releases Wiki Activity
d3c102373f
Paper/patches/server/0744-Do-not-copy-visible-chunks.patch
Jake Potrebic 7fa8870043
Updated Upstream (Bukkit/CraftBukkit) (#7672) 
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
7902647a PR-737: Update WorldCreator#generatorSettings docs
67556a50 PR-736: Update README

CraftBukkit Changes:
10922194 Java 18 support
d53c4fb6 PR-1039: Use correct ops in GeneratorSettings
a567e4ae PR-1038: Removed the no longer needed getChunkUnchecked method from ChunkProviderServer.
4ac8fcce SPIGOT-6980: Since 1.18.2, World#isChunkLoaded returned false for chunks that have just been loaded (e.g. inside ChunkLoadEvent).
e6cc7c70 PR-1035: Update README
3ec79a27 SPIGOT-5140: Call EntityChangeBlockEvent when a ChorusFlower is destroyed by a projectile
2022-03-29 10:32:18 +02:00

239 lines
15 KiB
Diff
Raw Blame History

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sun, 21 Mar 2021 11:22:10 -0700
Subject: [PATCH] Do not copy visible chunks
For servers with a lot of chunk holders, copying for each
tickDistanceManager call can take up quite a bit in
the function. I saw approximately 1/3rd of the function
on the copy.
diff --git a/src/main/java/com/destroystokyo/paper/PaperCommand.java b/src/main/java/com/destroystokyo/paper/PaperCommand.java
index 4827fbd901ef7374e7c0a225c6a3ddba3ca462af..a1ed0031cdfa39feef61bd56315391c4c5aeae8a 100644
--- a/src/main/java/com/destroystokyo/paper/PaperCommand.java
+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
@@ -476,7 +476,7 @@ public class PaperCommand extends Command {
int ticking = 0;
int entityTicking = 0;
- for (ChunkHolder chunk : world.getChunkSource().chunkMap.updatingChunkMap.values()) {
+ for (ChunkHolder chunk : world.getChunkSource().chunkMap.updatingChunks.getUpdatingMap().values()) { // Paper - change updating chunks map
if (chunk.getFullChunkNowUnchecked() == null) {
continue;
}
diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
index a6bcf936747720202857ba586fa35c46c9c91caf..63294b95ec062e32c87e52560353374db430cbe5 100644
--- a/src/main/java/net/minecraft/server/MCUtil.java
+++ b/src/main/java/net/minecraft/server/MCUtil.java
@@ -625,7 +625,7 @@ public final class MCUtil {
ServerLevel world = ((org.bukkit.craftbukkit.CraftWorld)bukkitWorld).getHandle();
ChunkMap chunkMap = world.getChunkSource().chunkMap;
- Long2ObjectLinkedOpenHashMap<ChunkHolder> visibleChunks = chunkMap.visibleChunkMap;
+ Long2ObjectLinkedOpenHashMap<ChunkHolder> visibleChunks = chunkMap.updatingChunks.getVisibleMap(); // Paper
DistanceManager chunkMapDistance = chunkMap.distanceManager;
List<ChunkHolder> allChunks = new ArrayList<>(visibleChunks.values());
List<ServerPlayer> players = world.players;
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index ef28e0f57ba593265a3eca4d3f21d0b1b51e8740..f4c1316ae1cadc1a7a7fed16e0e99704662c41e8 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -123,9 +123,11 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
private static final int MIN_VIEW_DISTANCE = 3;
public static final int MAX_VIEW_DISTANCE = 33;
public static final int MAX_CHUNK_DISTANCE = 33 + ChunkStatus.maxDistance();
+ // Paper start - Don't copy
+ public final com.destroystokyo.paper.util.map.QueuedChangesMapLong2Object<ChunkHolder> updatingChunks = new com.destroystokyo.paper.util.map.QueuedChangesMapLong2Object<>();
+ // Paper end - Don't copy
public static final int FORCED_TICKET_LEVEL = 31;
- public final Long2ObjectLinkedOpenHashMap<ChunkHolder> updatingChunkMap = new Long2ObjectLinkedOpenHashMap();
- public volatile Long2ObjectLinkedOpenHashMap<ChunkHolder> visibleChunkMap;
+ // Paper - Don't copy
private final Long2ObjectLinkedOpenHashMap<ChunkHolder> pendingUnloads;
public final LongSet entitiesInLevel;
public final ServerLevel level;
@@ -317,7 +319,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
boolean unloadingPlayerChunk = false; // Paper - do not allow ticket level changes while unloading chunks
public ChunkMap(ServerLevel world, LevelStorageSource.LevelStorageAccess session, DataFixer dataFixer, StructureManager structureManager, Executor executor, BlockableEventLoop<Runnable> mainThreadExecutor, LightChunkGetter chunkProvider, ChunkGenerator chunkGenerator, ChunkProgressListener worldGenerationProgressListener, ChunkStatusUpdateListener chunkStatusChangeListener, Supplier<DimensionDataStorage> persistentStateManagerFactory, int viewDistance, boolean dsync) {
super(session.getDimensionPath(world.dimension()).resolve("region"), dataFixer, dsync);
- this.visibleChunkMap = this.updatingChunkMap.clone();
+ // Paper - don't copy
this.pendingUnloads = new Long2ObjectLinkedOpenHashMap();
this.entitiesInLevel = new LongOpenHashSet();
this.toDrop = new LongOpenHashSet();
@@ -541,12 +543,17 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
@Nullable
public ChunkHolder getUpdatingChunkIfPresent(long pos) {
- return (ChunkHolder) this.updatingChunkMap.get(pos);
+ return this.updatingChunks.getUpdating(pos); // Paper - Don't copy
}
@Nullable
public ChunkHolder getVisibleChunkIfPresent(long pos) {
- return (ChunkHolder) this.visibleChunkMap.get(pos);
+ // Paper start - Don't copy
+ if (Thread.currentThread() == this.level.thread) {
+ return this.updatingChunks.getVisible(pos);
+ }
+ return this.updatingChunks.getVisibleAsync(pos);
+ // Paper end - Don't copy
}
protected IntSupplier getChunkQueueLevel(long pos) {
@@ -686,9 +693,9 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
};
stringbuilder.append("Updating:").append(System.lineSeparator());
- this.updatingChunkMap.values().forEach(consumer);
+ this.updatingChunks.getUpdatingValuesCopy().forEach(consumer); // Paper
stringbuilder.append("Visible:").append(System.lineSeparator());
- this.visibleChunkMap.values().forEach(consumer);
+ this.updatingChunks.getVisibleValuesCopy().forEach(consumer); // Paper
CrashReport crashreport = CrashReport.forThrowable(exception, "Chunk loading");
CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Chunk loading");
@@ -739,7 +746,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
// Paper end
}
- this.updatingChunkMap.put(pos, holder);
+ this.updatingChunks.queueUpdate(pos, holder); // Paper - Don't copy
this.modified = true;
}
@@ -819,7 +826,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
protected void saveAllChunks(boolean flush) {
if (flush) {
- List<ChunkHolder> list = (List) this.visibleChunkMap.values().stream().filter(ChunkHolder::wasAccessibleSinceLastSave).peek(ChunkHolder::refreshAccessibility).collect(Collectors.toList());
+ List<ChunkHolder> list = (List) this.updatingChunks.getVisibleValuesCopy().stream().filter(ChunkHolder::wasAccessibleSinceLastSave).peek(ChunkHolder::refreshAccessibility).collect(Collectors.toList()); // Paper
MutableBoolean mutableboolean = new MutableBoolean();
do {
@@ -850,7 +857,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
//this.flushWorker(); // Paper - nuke IOWorker
this.level.asyncChunkTaskManager.flush(); // Paper - flush to preserve behavior compat with pre-async behaviour
} else {
- this.visibleChunkMap.values().forEach(this::saveChunkIfNeeded);
+ this.updatingChunks.getVisibleValuesCopy().forEach(this::saveChunkIfNeeded); // Paper
}
}
@@ -873,14 +880,14 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
public boolean hasWork() {
- return this.lightEngine.hasLightWork() || !this.pendingUnloads.isEmpty() || !this.updatingChunkMap.isEmpty() || this.poiManager.hasWork() || !this.toDrop.isEmpty() || !this.unloadQueue.isEmpty() || this.queueSorter.hasWork() || this.distanceManager.hasTickets();
+ return this.lightEngine.hasLightWork() || !this.pendingUnloads.isEmpty() || !this.updatingChunks.getUpdatingValuesCopy().isEmpty() || this.poiManager.hasWork() || !this.toDrop.isEmpty() || !this.unloadQueue.isEmpty() || this.queueSorter.hasWork() || this.distanceManager.hasTickets(); // Paper
}
private void processUnloads(BooleanSupplier shouldKeepTicking) {
LongIterator longiterator = this.toDrop.iterator();
for (int i = 0; longiterator.hasNext() && (shouldKeepTicking.getAsBoolean() || i < 200 || this.toDrop.size() > 2000); longiterator.remove()) {
long j = longiterator.nextLong();
- ChunkHolder playerchunk = (ChunkHolder) this.updatingChunkMap.remove(j);
+ ChunkHolder playerchunk = this.updatingChunks.queueRemove(j); // Paper - Don't copy
if (playerchunk != null) {
playerchunk.onChunkRemove(); // Paper
@@ -975,7 +982,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
if (!this.modified) {
return false;
} else {
- this.visibleChunkMap = this.updatingChunkMap.clone();
+ // Paper start - Don't copy
+ synchronized (this.updatingChunks) {
+ this.updatingChunks.performUpdates();
+ }
+ // Paper end - Don't copy
+
this.modified = false;
return true;
}
@@ -1465,7 +1477,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.viewDistance = j;
this.distanceManager.updatePlayerTickets(this.viewDistance + 1);
- ObjectIterator objectiterator = this.updatingChunkMap.values().iterator();
+ Iterator objectiterator = this.updatingChunks.getVisibleValuesCopy().iterator(); // Paper
while (objectiterator.hasNext()) {
ChunkHolder playerchunk = (ChunkHolder) objectiterator.next();
@@ -1508,7 +1520,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
public int size() {
- return this.visibleChunkMap.size();
+ return this.updatingChunks.getVisibleMap().size(); // Paper - Don't copy
}
public DistanceManager getDistanceManager() {
@@ -1516,13 +1528,13 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
protected Iterable<ChunkHolder> getChunks() {
- return Iterables.unmodifiableIterable(this.visibleChunkMap.values());
+ return Iterables.unmodifiableIterable(this.updatingChunks.getVisibleValuesCopy()); // Paper
}
void dumpChunks(Writer writer) throws IOException {
CsvOutput csvwriter = CsvOutput.builder().addColumn("x").addColumn("z").addColumn("level").addColumn("in_memory").addColumn("status").addColumn("full_status").addColumn("accessible_ready").addColumn("ticking_ready").addColumn("entity_ticking_ready").addColumn("ticket").addColumn("spawning").addColumn("block_entity_count").addColumn("ticking_ticket").addColumn("ticking_level").addColumn("block_ticks").addColumn("fluid_ticks").build(writer);
TickingTracker tickingtracker = this.distanceManager.tickingTracker();
- ObjectBidirectionalIterator objectbidirectionaliterator = this.visibleChunkMap.long2ObjectEntrySet().iterator();
+ ObjectBidirectionalIterator objectbidirectionaliterator = this.updatingChunks.getVisibleMap().clone().long2ObjectEntrySet().fastIterator(); // Paper
while (objectbidirectionaliterator.hasNext()) {
Entry<ChunkHolder> entry = (Entry) objectbidirectionaliterator.next();
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index df986f97b86ba1fa4da15d969c635333abfdba91..6e10ca6dec598032eb8dc20dd88876db2ba2ae9b 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -160,7 +160,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public int getTileEntityCount() {
// We don't use the full world tile entity list, so we must iterate chunks
- Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = world.getChunkSource().chunkMap.visibleChunkMap;
+ Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = world.getChunkSource().chunkMap.updatingChunks.getVisibleMap(); // Paper - change updating chunks map
int size = 0;
for (ChunkHolder playerchunk : chunks.values()) {
net.minecraft.world.level.chunk.LevelChunk chunk = playerchunk.getTickingChunk();
@@ -181,7 +181,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
public int getChunkCount() {
int ret = 0;
- for (ChunkHolder chunkHolder : world.getChunkSource().chunkMap.visibleChunkMap.values()) {
+ for (ChunkHolder chunkHolder : world.getChunkSource().chunkMap.updatingChunks.getVisibleMap().values()) { // Paper - change updating chunks map
if (chunkHolder.getTickingChunk() != null) {
++ret;
}
@@ -354,7 +354,18 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public Chunk[] getLoadedChunks() {
- Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = this.world.getChunkSource().chunkMap.visibleChunkMap;
+ // Paper start
+ if (Thread.currentThread() != world.getLevel().thread) {
+ // Paper start - change updating chunks map
+ Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks;
+ synchronized (world.getChunkSource().chunkMap.updatingChunks) {
+ chunks = world.getChunkSource().chunkMap.updatingChunks.getVisibleMap().clone();
+ }
+ return chunks.values().stream().map(ChunkHolder::getFullChunkNow).filter(Objects::nonNull).map(net.minecraft.world.level.chunk.LevelChunk::getBukkitChunk).toArray(Chunk[]::new);
+ // Paper end - change updating chunks map
+ }
+ // Paper end
+ Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = this.world.getChunkSource().chunkMap.updatingChunks.getVisibleMap(); // Paper - change updating chunks map
return chunks.values().stream().map(ChunkHolder::getFullChunkNow).filter(Objects::nonNull).map(net.minecraft.world.level.chunk.LevelChunk::getBukkitChunk).toArray(Chunk[]::new);
}
@@ -430,7 +441,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean refreshChunk(int x, int z) {
- ChunkHolder playerChunk = this.world.getChunkSource().chunkMap.visibleChunkMap.get(ChunkPos.asLong(x, z));
+ ChunkHolder playerChunk = this.world.getChunkSource().chunkMap.updatingChunks.getVisibleMap().get(ChunkPos.asLong(x, z));
if (playerChunk == null) return false;
playerChunk.getTickingChunkFuture().thenAccept(either -> {
Reference in New Issue View Git Blame Copy Permalink