200 Zeilen
12 KiB
Diff
200 Zeilen
12 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sun, 21 Mar 2021 11:22:10 -0700
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Subject: [PATCH] Do not copy visible chunks
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For servers with a lot of chunk holders, copying for each
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tickDistanceManager call can take up quite a bit in
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the function. I saw approximately 1/3rd of the function
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on the copy.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperCommand.java b/src/main/java/com/destroystokyo/paper/PaperCommand.java
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index 807bbe54f6516f794bdcb735bb7b8d6812e3ef01..2ef4b4c2ff81d0fa33d4630593266066d8e6a6f3 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperCommand.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
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@@ -277,7 +277,7 @@ public class PaperCommand extends Command {
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int ticking = 0;
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int entityTicking = 0;
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- for (ChunkHolder chunk : world.getChunkSource().chunkMap.updatingChunkMap.values()) {
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+ for (ChunkHolder chunk : world.getChunkSource().chunkMap.updatingChunks.getUpdatingMap().values()) { // Paper - change updating chunks map
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if (chunk.getFullChunkUnchecked() == null) {
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continue;
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}
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diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
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index 436ea61d284120a43123709f0213ec56870147dc..d2ea11d35ea111c349df5aa375d7ee8831658262 100644
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--- a/src/main/java/net/minecraft/server/MCUtil.java
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+++ b/src/main/java/net/minecraft/server/MCUtil.java
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@@ -619,7 +619,7 @@ public final class MCUtil {
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ServerLevel world = ((org.bukkit.craftbukkit.CraftWorld)bukkitWorld).getHandle();
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ChunkMap chunkMap = world.getChunkSource().chunkMap;
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- Long2ObjectLinkedOpenHashMap<ChunkHolder> visibleChunks = chunkMap.visibleChunkMap;
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+ Long2ObjectLinkedOpenHashMap<ChunkHolder> visibleChunks = chunkMap.updatingChunks.getVisibleMap(); // Paper
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DistanceManager chunkMapDistance = chunkMap.distanceManager;
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List<ChunkHolder> allChunks = new ArrayList<>(visibleChunks.values());
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List<ServerPlayer> players = world.players;
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diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index aae8dca773686bec3f867b79aa11d668032b9244..2f5ab00d26dcf027ec0e152a8bf17686a280ae50 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -114,9 +114,11 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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private static final int MIN_VIEW_DISTANCE = 3;
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public static final int MAX_VIEW_DISTANCE = 33;
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public static final int MAX_CHUNK_DISTANCE = 33 + ChunkStatus.maxDistance();
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+ // Paper start - Don't copy
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+ public final com.destroystokyo.paper.util.map.QueuedChangesMapLong2Object<ChunkHolder> updatingChunks = new com.destroystokyo.paper.util.map.QueuedChangesMapLong2Object<>();
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+ // Paper end - Don't copy
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public static final int FORCED_TICKET_LEVEL = 31;
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- public final Long2ObjectLinkedOpenHashMap<ChunkHolder> updatingChunkMap = new Long2ObjectLinkedOpenHashMap();
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- public volatile Long2ObjectLinkedOpenHashMap<ChunkHolder> visibleChunkMap;
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+ // Paper - Don't copy
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private final Long2ObjectLinkedOpenHashMap<ChunkHolder> pendingUnloads;
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public final LongSet entitiesInLevel;
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public final ServerLevel level;
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@@ -344,7 +346,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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boolean unloadingPlayerChunk = false; // Paper - do not allow ticket level changes while unloading chunks
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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) {
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super(new File(session.getDimensionPath(world.dimension()), "region"), dataFixer, dsync);
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- this.visibleChunkMap = this.updatingChunkMap.clone();
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+ // Paper - don't copy
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this.pendingUnloads = new Long2ObjectLinkedOpenHashMap();
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this.entitiesInLevel = new LongOpenHashSet();
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this.toDrop = new LongOpenHashSet();
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@@ -676,12 +678,17 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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@Nullable
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public ChunkHolder getUpdatingChunkIfPresent(long pos) {
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- return (ChunkHolder) this.updatingChunkMap.get(pos);
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+ return this.updatingChunks.getUpdating(pos); // Paper - Don't copy
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}
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@Nullable
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public ChunkHolder getVisibleChunkIfPresent(long pos) {
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- return (ChunkHolder) this.visibleChunkMap.get(pos);
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+ // Paper start - Don't copy
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+ if (Thread.currentThread() == this.level.thread) {
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+ return this.updatingChunks.getVisible(pos);
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+ }
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+ return this.updatingChunks.getVisibleAsync(pos);
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+ // Paper end - Don't copy
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}
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protected IntSupplier getChunkQueueLevel(long pos) {
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@@ -833,7 +840,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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// Paper end
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}
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- this.updatingChunkMap.put(pos, holder);
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+ this.updatingChunks.queueUpdate(pos, holder); // Paper - Don't copy
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this.modified = true;
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}
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@@ -913,7 +920,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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protected void saveAllChunks(boolean flush) {
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if (flush) {
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- List<ChunkHolder> list = (List) this.visibleChunkMap.values().stream().filter(ChunkHolder::wasAccessibleSinceLastSave).peek(ChunkHolder::refreshAccessibility).collect(Collectors.toList());
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+ List<ChunkHolder> list = (List) this.updatingChunks.getVisibleValuesCopy().stream().filter(ChunkHolder::wasAccessibleSinceLastSave).peek(ChunkHolder::refreshAccessibility).collect(Collectors.toList()); // Paper
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MutableBoolean mutableboolean = new MutableBoolean();
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do {
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@@ -944,7 +951,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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this.level.asyncChunkTaskManager.flush(); // Paper - flush to preserve behavior compat with pre-async behaviour
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// this.i(); // Paper - nuke IOWorker
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} else {
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- this.visibleChunkMap.values().stream().filter(ChunkHolder::wasAccessibleSinceLastSave).forEach((playerchunk) -> {
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+ this.updatingChunks.getVisibleValuesCopy().stream().filter(ChunkHolder::wasAccessibleSinceLastSave).forEach((playerchunk) -> { // Paper
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ChunkAccess ichunkaccess = (ChunkAccess) playerchunk.getChunkToSave().getNow(null); // CraftBukkit - decompile error
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if (ichunkaccess instanceof ImposterProtoChunk || ichunkaccess instanceof LevelChunk) {
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@@ -986,7 +993,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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while (longiterator.hasNext()) { // Spigot
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long j = longiterator.nextLong();
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longiterator.remove(); // Spigot
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- ChunkHolder playerchunk = (ChunkHolder) this.updatingChunkMap.remove(j);
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+ ChunkHolder playerchunk = this.updatingChunks.queueRemove(j); // Paper - Don't copy
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if (playerchunk != null) {
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this.pendingUnloads.put(j, playerchunk);
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@@ -1121,7 +1128,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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if (!this.modified) {
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return false;
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} else {
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- this.visibleChunkMap = this.updatingChunkMap.clone();
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+ // Paper start - Don't copy
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+ synchronized (this.updatingChunks) {
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+ this.updatingChunks.performUpdates();
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+ }
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+ // Paper end - Don't copy
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+
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this.modified = false;
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return true;
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}
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@@ -1587,7 +1599,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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}
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public int size() {
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- return this.visibleChunkMap.size();
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+ return this.updatingChunks.getVisibleMap().size(); // Paper - Don't copy
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}
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protected DistanceManager getDistanceManager() {
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@@ -1595,12 +1607,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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}
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protected Iterable<ChunkHolder> getChunks() {
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- return Iterables.unmodifiableIterable(this.visibleChunkMap.values());
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+ return Iterables.unmodifiableIterable(this.updatingChunks.getVisibleValuesCopy()); // Paper
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}
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void dumpChunks(Writer writer) throws IOException {
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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").build(writer);
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- ObjectBidirectionalIterator objectbidirectionaliterator = this.visibleChunkMap.long2ObjectEntrySet().iterator();
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+ ObjectBidirectionalIterator objectbidirectionaliterator = this.updatingChunks.getVisibleMap().clone().long2ObjectEntrySet().fastIterator(); // Paper
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while (objectbidirectionaliterator.hasNext()) {
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Entry<ChunkHolder> entry = (Entry) objectbidirectionaliterator.next();
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index 4430385a758906239b8573c59b18d19470339ec5..b4cf0d44bda13625cfa8264043a49c1a0daf1054 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -149,7 +149,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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@Override
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public int getTileEntityCount() {
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// We don't use the full world tile entity list, so we must iterate chunks
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- Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = world.getChunkSource().chunkMap.visibleChunkMap;
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+ Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = world.getChunkSource().chunkMap.updatingChunks.getVisibleMap(); // Paper - change updating chunks map
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int size = 0;
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for (ChunkHolder playerchunk : chunks.values()) {
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net.minecraft.world.level.chunk.LevelChunk chunk = playerchunk.getTickingChunk();
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@@ -170,7 +170,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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public int getChunkCount() {
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int ret = 0;
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- for (ChunkHolder chunkHolder : world.getChunkSource().chunkMap.visibleChunkMap.values()) {
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+ for (ChunkHolder chunkHolder : world.getChunkSource().chunkMap.updatingChunks.getVisibleMap().values()) { // Paper - change updating chunks map
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if (chunkHolder.getTickingChunk() != null) {
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++ret;
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}
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@@ -344,7 +344,18 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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@Override
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public Chunk[] getLoadedChunks() {
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- Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = this.world.getChunkSource().chunkMap.visibleChunkMap;
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+ // Paper start
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+ if (Thread.currentThread() != world.getLevel().thread) {
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+ // Paper start - change updating chunks map
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+ Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks;
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+ synchronized (world.getChunkSource().chunkMap.updatingChunks) {
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+ chunks = world.getChunkSource().chunkMap.updatingChunks.getVisibleMap().clone();
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+ }
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+ return chunks.values().stream().map(ChunkHolder::getFullChunk).filter(Objects::nonNull).map(net.minecraft.world.level.chunk.LevelChunk::getBukkitChunk).toArray(Chunk[]::new);
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+ // Paper end - change updating chunks map
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+ }
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+ // Paper end
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+ Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = world.getChunkSource().chunkMap.updatingChunks.getVisibleMap(); // Paper - change updating chunks map
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return chunks.values().stream().map(ChunkHolder::getFullChunk).filter(Objects::nonNull).map(net.minecraft.world.level.chunk.LevelChunk::getBukkitChunk).toArray(Chunk[]::new);
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}
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