mirror of
https://github.com/PaperMC/Paper.git
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172 lines
7.8 KiB
Diff
172 lines
7.8 KiB
Diff
From 0000000000000000000000000000000000000000 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/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 48c9d2b7d56832ebd13749a394b8b715f0b1704d..b633f6b3a36b793e6dbc1b8b554bfba74c719570 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -260,7 +260,7 @@ public abstract class Entity implements Nameable, CommandSource, net.minecraft.s
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}
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public boolean isChunkLoaded() {
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- return level.hasChunk((int) Math.floor(this.getX()) >> 4, (int) Math.floor(this.getZ()) >> 4);
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+ return getCurrentChunk() != null;
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}
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// CraftBukkit end
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@@ -1762,6 +1762,23 @@ public abstract class Entity implements Nameable, CommandSource, net.minecraft.s
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}
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// Paper start
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+ public java.lang.ref.WeakReference<net.minecraft.world.level.chunk.LevelChunk> currentChunk = null;
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+
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+ public void setCurrentChunk(net.minecraft.world.level.chunk.LevelChunk 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 net.minecraft.world.level.chunk.LevelChunk getCurrentChunk() {
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+ final net.minecraft.world.level.chunk.LevelChunk chunk = currentChunk != null ? currentChunk.get() : null;
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+ if (chunk != null && chunk.loaded) {
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+ return chunk;
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+ }
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+
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+ return !inChunk ? null : ((ServerLevel)level).getChunkSource().getChunkAtIfLoadedMainThreadNoCache(xChunk, zChunk);
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+ }
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+
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private ResourceLocation entityKey;
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private String entityKeyString;
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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
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index 846fc0f36377337630b2ec2a5f7a5a54c39c2965..bb60c9da9f3ba0d5c5bad22512675ccb841a60e5 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
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@@ -11,6 +11,7 @@ import net.minecraft.world.level.Level;
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import net.minecraft.world.level.block.Mirror;
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import net.minecraft.world.level.block.Rotation;
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import net.minecraft.world.level.block.state.BlockState;
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+import net.minecraft.world.level.chunk.LevelChunk;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import org.apache.logging.log4j.util.Supplier;
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@@ -63,6 +64,15 @@ public abstract class BlockEntity implements net.minecraft.server.KeyedObject {
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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<LevelChunk> currentChunk = null;
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+ public LevelChunk getCurrentChunk() {
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+ final LevelChunk chunk = currentChunk != null ? currentChunk.get() : null;
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+ return chunk != null && chunk.loaded ? chunk : null;
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+ }
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+ public void setCurrentChunk(LevelChunk 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/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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index e2c5a17aa72d1a5412d76881187d4d9ad1763297..ae08fcce66d50d7f61bc3bd4a0e2547d56f53e82 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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@@ -89,11 +89,36 @@ public class LevelChunk implements ChunkAccess {
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this(world, pos, biomes, UpgradeData.EMPTY, EmptyTickList.empty(), EmptyTickList.empty(), 0L, (LevelChunkSection[]) null, (Consumer) null);
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}
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+ // Paper start
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+ private class TileEntityHashMap extends java.util.HashMap<BlockPos, BlockEntity> {
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+ @Override
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+ public BlockEntity put(BlockPos key, BlockEntity value) {
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+ BlockEntity 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(LevelChunk.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 BlockEntity remove(Object key) {
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+ BlockEntity 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 LevelChunk(Level world, ChunkPos pos, ChunkBiomeContainer biomes, UpgradeData upgradeData, TickList<Block> blockTickScheduler, TickList<Fluid> fluidTickScheduler, long inhabitedTime, @Nullable LevelChunkSection[] sections, @Nullable Consumer<LevelChunk> loadToWorldConsumer) {
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this.sections = new LevelChunkSection[16];
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this.pendingBlockEntities = Maps.newHashMap();
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this.heightmaps = Maps.newEnumMap(Heightmap.Types.class);
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- this.blockEntities = Maps.newHashMap();
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+ this.blockEntities = new TileEntityHashMap(); // Paper
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this.structureStarts = Maps.newHashMap();
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this.structuresRefences = Maps.newHashMap();
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this.postProcessing = new ShortList[16];
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@@ -504,6 +529,7 @@ public class LevelChunk implements ChunkAccess {
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}
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entity.inChunk = true;
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+ entity.setCurrentChunk(this); // Paper
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entity.xChunk = this.chunkPos.x;
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entity.yChunk = k;
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entity.zChunk = this.chunkPos.z;
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@@ -516,6 +542,7 @@ public class LevelChunk implements ChunkAccess {
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((Heightmap) this.heightmaps.get(type)).setRawData(heightmap);
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}
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+ public final void removeEntity(Entity entity) { this.removeEntity(entity); } // Paper - OBFHELPER
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public void removeEntity(Entity entity) {
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this.removeEntity(entity, entity.yChunk);
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}
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@@ -530,7 +557,12 @@ public class LevelChunk implements ChunkAccess {
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section = this.entitySlices.length - 1;
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}
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- this.entitySlices[section].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[section].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/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index 080d3292e03c5a179b9eb89da1550718d263f817..eb61c803cf74c5ca2c51d5027a02ed3db6b53096 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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@@ -145,6 +145,7 @@ import net.minecraft.world.entity.vehicle.MinecartHopper;
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import net.minecraft.world.entity.vehicle.MinecartSpawner;
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import net.minecraft.world.entity.vehicle.MinecartTNT;
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import net.minecraft.world.phys.AABB;
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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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@@ -186,6 +187,12 @@ 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.world.level.chunk.LevelChunk 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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