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https://github.com/PaperMC/Paper.git
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205 lines
8.9 KiB
Diff
205 lines
8.9 KiB
Diff
From 4f4068b7e3d12e9bd14bf1435449935da11ff9fb Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 4 Jul 2018 02:10:36 -0400
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Subject: [PATCH] Store reference to current Chunk for Entity and Block
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Entities
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This enables us a fast reference to the entities current chunk instead
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of having to look it up by hashmap lookups.
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index c50fe1c24..061384b01 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -29,7 +29,7 @@ public class Chunk implements IChunkAccess {
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private final ChunkSection[] sections;
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private BiomeStorage d;
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private final Map<BlockPosition, NBTTagCompound> e;
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- public boolean loaded;
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+ public boolean loaded; public boolean isLoaded() { return loaded; } // Paper - OBFHELPER
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public final World world;
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public final Map<HeightMap.Type, HeightMap> heightMap;
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private final ChunkConverter i;
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@@ -55,11 +55,36 @@ public class Chunk implements IChunkAccess {
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this(world, chunkcoordintpair, biomestorage, ChunkConverter.a, TickListEmpty.b(), TickListEmpty.b(), 0L, (ChunkSection[]) null, (Consumer) null);
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}
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+ // Paper start
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+ private class TileEntityHashMap extends java.util.HashMap<BlockPosition, TileEntity> {
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+ @Override
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+ public TileEntity put(BlockPosition key, TileEntity value) {
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+ TileEntity replaced = super.put(key, value);
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+ if (replaced != null) {
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+ replaced.setCurrentChunk(null);
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+ }
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+ if (value != null) {
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+ value.setCurrentChunk(Chunk.this);
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+ }
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+ return replaced;
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+ }
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+
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+ @Override
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+ public TileEntity remove(Object key) {
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+ TileEntity removed = super.remove(key);
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+ if (removed != null) {
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+ removed.setCurrentChunk(null);
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+ }
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+ return removed;
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+ }
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+ }
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+ // Paper end
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+
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public Chunk(World world, ChunkCoordIntPair chunkcoordintpair, BiomeStorage biomestorage, ChunkConverter chunkconverter, TickList<Block> ticklist, TickList<FluidType> ticklist1, long i, @Nullable ChunkSection[] achunksection, @Nullable Consumer<Chunk> consumer) {
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this.sections = new ChunkSection[16];
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this.e = Maps.newHashMap();
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this.heightMap = Maps.newEnumMap(HeightMap.Type.class);
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- this.tileEntities = Maps.newHashMap();
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+ this.tileEntities = new TileEntityHashMap(); // Paper
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this.l = Maps.newHashMap();
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this.m = Maps.newHashMap();
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this.n = new ShortList[16];
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@@ -448,6 +473,7 @@ public class Chunk implements IChunkAccess {
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}
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entity.inChunk = true;
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+ entity.setCurrentChunk(this); // Paper
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entity.chunkX = this.loc.x;
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entity.chunkY = k;
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entity.chunkZ = this.loc.z;
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@@ -460,6 +486,7 @@ public class Chunk implements IChunkAccess {
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((HeightMap) this.heightMap.get(heightmap_type)).a(along);
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}
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+ public void removeEntity(Entity entity) { this.b(entity); } // Paper - OBFHELPER
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public void b(Entity entity) {
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this.a(entity, entity.chunkY);
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}
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@@ -473,7 +500,12 @@ public class Chunk implements IChunkAccess {
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i = this.entitySlices.length - 1;
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}
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- this.entitySlices[i].remove(entity);
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+ // Paper start
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+ if (entity.currentChunk != null && entity.currentChunk.get() == this) entity.setCurrentChunk(null);
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+ if (!this.entitySlices[i].remove(entity)) {
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+ return;
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+ }
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+ // Paper end
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this.entities.remove(entity); // Paper
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}
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 7899fd6d8..2890e8121 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -134,7 +134,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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private static final DataWatcherObject<Boolean> aB = DataWatcher.a(Entity.class, DataWatcherRegistry.i);
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private static final DataWatcherObject<Boolean> aC = DataWatcher.a(Entity.class, DataWatcherRegistry.i);
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protected static final DataWatcherObject<EntityPose> POSE = DataWatcher.a(Entity.class, DataWatcherRegistry.s);
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- public boolean inChunk;
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+ public boolean inChunk; public boolean isAddedToChunk() { return inChunk; } // Paper - OBFHELPER
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public int chunkX; public int getChunkX() { return chunkX; } // Paper - OBFHELPER
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public int chunkY; public int getChunkY() { return chunkY; } // Paper - OBFHELPER
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public int chunkZ; public int getChunkZ() { return chunkZ; } // Paper - OBFHELPER
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@@ -178,7 +178,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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public boolean isChunkLoaded() {
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- return world.isChunkLoaded((int) Math.floor(this.locX) >> 4, (int) Math.floor(this.locZ) >> 4);
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+ return getCurrentChunk() != null;
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}
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// CraftBukkit end
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@@ -1708,6 +1708,43 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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// Paper start
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+ java.lang.ref.WeakReference<Chunk> currentChunk = null;
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+
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+ public void setCurrentChunk(Chunk chunk) {
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+ this.currentChunk = chunk != null ? new java.lang.ref.WeakReference<>(chunk) : null;
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+ }
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+ /**
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+ * Returns the entities current registered chunk. If the entity is not added to a chunk yet, it will return null
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+ */
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+ public Chunk getCurrentChunk() {
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+ final Chunk chunk = currentChunk != null ? currentChunk.get() : null;
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+ if (chunk != null && chunk.isLoaded()) {
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+ return chunk;
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+ }
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+
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+ return !isAddedToChunk() ? null : ((ChunkProviderServer) world.chunkProvider).getChunkAtIfLoadedMainThreadNoCache(getChunkX(), getChunkZ());
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+ }
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+
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+ /**
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+ * Returns the chunk at the location, using the entities local cache if avail
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+ * Will only return null if the location specified is not loaded
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+ */
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+ public Chunk getCurrentChunkAt(int x, int z) {
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+ Chunk chunk = getCurrentChunk();
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+ if (chunk != null && getChunkX() == chunk.getPos().x && getChunkZ() == chunk.getPos().z) {
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+ return chunk;
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+ }
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+ return ((ChunkProviderServer) world.chunkProvider).getChunkAtIfLoadedMainThreadNoCache(getChunkX(), getChunkZ());
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+ }
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+ /**
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+ * Returns the chunk at the entities current location, using the entities local cache if avail
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+ * Ideally this is always the same as getCurrentChunk, but only becomes different in registration issues.
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+ * Will only return null if the location specified is not loaded
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+ */
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+ public Chunk getChunkAtLocation() {
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+ return getCurrentChunkAt((int)Math.floor(locX) >> 4, (int)Math.floor(locZ) >> 4);
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+ }
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+
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private MinecraftKey entityKey;
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private String entityKeyString;
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diff --git a/src/main/java/net/minecraft/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java
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index 9071bb7ec..820180ab3 100644
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--- a/src/main/java/net/minecraft/server/TileEntity.java
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+++ b/src/main/java/net/minecraft/server/TileEntity.java
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@@ -51,6 +51,15 @@ public abstract class TileEntity implements KeyedObject { // Paper
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getMinecraftKey(); // Try to load if it doesn't exists.
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return tileEntityKeyString;
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}
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+
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+ private java.lang.ref.WeakReference<Chunk> currentChunk = null;
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+ public Chunk getCurrentChunk() {
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+ final Chunk chunk = currentChunk != null ? currentChunk.get() : null;
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+ return chunk != null && chunk.isLoaded() ? chunk : null;
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+ }
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+ public void setCurrentChunk(Chunk chunk) {
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+ this.currentChunk = chunk != null ? new java.lang.ref.WeakReference<>(chunk) : null;
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+ }
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// Paper end
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@Nullable
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index 63ecbcd47..c82c21326 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -138,6 +138,7 @@ import net.minecraft.server.EntityZombieVillager;
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import net.minecraft.server.EnumChatFormat;
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import net.minecraft.server.IChatBaseComponent;
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import net.minecraft.server.NBTTagCompound;
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+import org.bukkit.Chunk; // Paper
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import org.bukkit.EntityEffect;
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import org.bukkit.Location;
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import org.bukkit.Server;
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@@ -179,6 +180,12 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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this.entity = entity;
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}
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+ @Override
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+ public Chunk getChunk() {
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+ net.minecraft.server.Chunk currentChunk = entity.getCurrentChunk();
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+ return currentChunk != null ? currentChunk.bukkitChunk : getLocation().getChunk();
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+ }
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+
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public static CraftEntity getEntity(CraftServer server, Entity entity) {
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/**
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* Order is *EXTREMELY* important -- keep it right! =D
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--
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2.26.0
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