OpenSource/PaperMC
OpenSource/PaperMC
1
0
Fork 0
mirror of https://github.com/PaperMC/Paper.git synced 2024-12-02 21:17:00 +01:00
Code Issues Projects Releases Packages Wiki Activity
PaperMC/patches/server/0750-Do-not-copy-visible-chunks.patch
Nassim Jahnke c50fc3a026
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#7480) 
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:
8d818032 PR-723: Add Furnace#getRecipesUsed
d7b5a313 PR-726: Add Particle dataTypes to javadocs
72fe8b71 PR-724: Add PDC to World

CraftBukkit Changes:
c0326c28 PR-1009: Add Furnace#getRecipesUsed
cc5ddd79 PR-1010: Add PDC to World
6a54e5d3 PR-1012: Always save as skull owner and not as internal data

Spigot Changes:
699290cd Rebuild patches
2022-02-15 11:30:58 +01:00

218 lines
13 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 be1da6ebf8c1468182cbb92a16e4866bfb2ecfc3..c57999061a7a9adb7b5207a13af3d693529a43cd 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.getFullChunkUnchecked() == null) {
continue;
}
diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
index b3516862d796c2d9fcc1c67a6073445403d73088..b61abf227a04b4565c2525e5f469db30c3a545a5 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 f9f1afb49c8dba14d8d9134e84c73fa2e1d13f02..2e11bedafe383242996aeb545d6612f245070e72 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -120,9 +120,11 @@ 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;
@@ -312,7 +314,7 @@ 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();
@@ -535,12 +537,17 @@ 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) {
@@ -702,7 +709,7 @@ 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;
}
@@ -782,7 +789,7 @@ 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 {
@@ -813,7 +820,7 @@ 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
}
}
@@ -847,7 +854,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
while (longiterator.hasNext()) { // Spigot
long j = longiterator.nextLong();
longiterator.remove(); // Spigot
- ChunkHolder playerchunk = (ChunkHolder) this.updatingChunkMap.remove(j);
+ ChunkHolder playerchunk = this.updatingChunks.queueRemove(j); // Paper - Don't copy
if (playerchunk != null) {
this.pendingUnloads.put(j, playerchunk);
@@ -946,7 +953,12 @@ 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;
}
@@ -1424,7 +1436,7 @@ 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();
@@ -1467,7 +1479,7 @@ 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() {
@@ -1475,13 +1487,13 @@ 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 f1301ffcfc03298f65186b043ed3ba173f2a923b..99784a6531eb17d2758ff374f30b7b38656de2e2 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -157,7 +157,7 @@ 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();
@@ -178,7 +178,7 @@ 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;
}
@@ -351,7 +351,18 @@ 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::getFullChunk).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 = world.getChunkSource().chunkMap.updatingChunks.getVisibleMap(); // Paper - change updating chunks map
return chunks.values().stream().map(ChunkHolder::getFullChunk).filter(Objects::nonNull).map(net.minecraft.world.level.chunk.LevelChunk::getBukkitChunk).toArray(Chunk[]::new);
}
@@ -427,7 +438,7 @@ 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 a new issue View git blame Copy permalink