PaperMC/Spigot-Server-Patches/0007-Store-reference-to-current-Chunk-for-Entity-and-Bloc.patch
Aikar ab347c4c96
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appears 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:
42d5a714 SPIGOT-5899: Hoglins API similar to Piglins
2c1ee10e SPIGOT-5887: ClickType doesn't include off hand swaps
5ff7c7ce SPIGOT-5886: Missing BlockData

CraftBukkit Changes:
7560f5f5 SPIGOT-5905: Fix hex colours not being allowed in MOTD
d47c47ee SPIGOT-5889: Villager using composter should call EntityChangeBlockEvent
2fe6b4a3 SPIGOT-5899: Hoglins API similar to Piglins
e09dbeca SPIGOT-5887: ClickType doesn't include off hand swaps
23aac2a5 SPIGOT-5903: EntityDismountEvent cannot be triggered asynchronously
92cbf656 SPIGOT-5884: Tab completions lost on reloadData / minecraft:reload
fb4e54ad SPIGOT-5902: PlayerRespawnEvent places player at spawn before event is called
aa8f3d5a SPIGOT-5901: Structures are generated in all worlds based on the setting for the main world
a0c35937 SPIGOT-5895: PlayerChangedWorldEvent#getFrom is incorrect
89c0a5c3 SPIGOT-5886: Missing BlockData

Spigot Changes:
0287a20d SPIGOT-5903: EntityDismountEvent cannot be triggered asynchronously
2020-06-30 01:20:29 -04:00

163 lines
6.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 4 Jul 2018 02:10:36 -0400
Subject: [PATCH] Store reference to current Chunk for Entity and Block
Entities
This enables us a fast reference to the entities current chunk instead
of having to look it up by hashmap lookups.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 7c7826cf3adb19814984ab627e4c4726d8933244..bd92ed2e6d4766f4f16ec3002c41b36b5a7e0358 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -56,11 +56,36 @@ public class Chunk implements IChunkAccess {
this(world, chunkcoordintpair, biomestorage, ChunkConverter.a, TickListEmpty.b(), TickListEmpty.b(), 0L, (ChunkSection[]) null, (Consumer) null);
}
+ // Paper start
+ private class TileEntityHashMap extends java.util.HashMap<BlockPosition, TileEntity> {
+ @Override
+ public TileEntity put(BlockPosition key, TileEntity value) {
+ TileEntity replaced = super.put(key, value);
+ if (replaced != null) {
+ replaced.setCurrentChunk(null);
+ }
+ if (value != null) {
+ value.setCurrentChunk(Chunk.this);
+ }
+ return replaced;
+ }
+
+ @Override
+ public TileEntity remove(Object key) {
+ TileEntity removed = super.remove(key);
+ if (removed != null) {
+ removed.setCurrentChunk(null);
+ }
+ return removed;
+ }
+ }
+ // Paper end
+
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) {
this.sections = new ChunkSection[16];
this.e = Maps.newHashMap();
this.heightMap = Maps.newEnumMap(HeightMap.Type.class);
- this.tileEntities = Maps.newHashMap();
+ this.tileEntities = new TileEntityHashMap(); // Paper
this.l = Maps.newHashMap();
this.m = Maps.newHashMap();
this.n = new ShortList[16];
@@ -466,6 +491,7 @@ public class Chunk implements IChunkAccess {
}
entity.inChunk = true;
+ entity.setCurrentChunk(this); // Paper
entity.chunkX = this.loc.x;
entity.chunkY = k;
entity.chunkZ = this.loc.z;
@@ -478,6 +504,7 @@ public class Chunk implements IChunkAccess {
((HeightMap) this.heightMap.get(heightmap_type)).a(along);
}
+ public void removeEntity(Entity entity) { this.b(entity); } // Paper - OBFHELPER
public void b(Entity entity) {
this.a(entity, entity.chunkY);
}
@@ -491,7 +518,12 @@ public class Chunk implements IChunkAccess {
i = this.entitySlices.length - 1;
}
- this.entitySlices[i].remove(entity);
+ // Paper start
+ if (entity.currentChunk != null && entity.currentChunk.get() == this) entity.setCurrentChunk(null);
+ if (!this.entitySlices[i].remove(entity)) {
+ return;
+ }
+ // Paper end
this.entities.remove(entity); // Paper
}
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index ee93b977b5f78855fd58a2055ca4e17255f3388b..e3f2e259b2c5e478bde45554995b9c742d9e2008 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -178,7 +178,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
public boolean isChunkLoaded() {
- return world.isChunkLoaded((int) Math.floor(this.locX()) >> 4, (int) Math.floor(this.locZ()) >> 4);
+ return getCurrentChunk() != null;
}
// CraftBukkit end
@@ -1671,6 +1671,23 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
// Paper start
+ java.lang.ref.WeakReference<Chunk> currentChunk = null;
+
+ public void setCurrentChunk(Chunk chunk) {
+ this.currentChunk = chunk != null ? new java.lang.ref.WeakReference<>(chunk) : null;
+ }
+ /**
+ * Returns the entities current registered chunk. If the entity is not added to a chunk yet, it will return null
+ */
+ public Chunk getCurrentChunk() {
+ final Chunk chunk = currentChunk != null ? currentChunk.get() : null;
+ if (chunk != null && chunk.loaded) {
+ return chunk;
+ }
+
+ return !inChunk ? null : ((WorldServer)world).getChunkProvider().getChunkAtIfLoadedMainThreadNoCache(getChunkX(), getChunkZ());
+ }
+
private MinecraftKey entityKey;
private String entityKeyString;
diff --git a/src/main/java/net/minecraft/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java
index 3cae7ef750371cee741c2f27799c1bb5864a278a..f8d859cda8186d706304b4e182bca34573f09433 100644
--- a/src/main/java/net/minecraft/server/TileEntity.java
+++ b/src/main/java/net/minecraft/server/TileEntity.java
@@ -51,6 +51,15 @@ public abstract class TileEntity implements KeyedObject { // Paper
getMinecraftKey(); // Try to load if it doesn't exists.
return tileEntityKeyString;
}
+
+ private java.lang.ref.WeakReference<Chunk> currentChunk = null;
+ public Chunk getCurrentChunk() {
+ final Chunk chunk = currentChunk != null ? currentChunk.get() : null;
+ return chunk != null && chunk.loaded ? chunk : null;
+ }
+ public void setCurrentChunk(Chunk chunk) {
+ this.currentChunk = chunk != null ? new java.lang.ref.WeakReference<>(chunk) : null;
+ }
// Paper end
@Nullable
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 305de86630b442fe1fa27431fca1ac989d16dc61..e867168be3c17548490f30944ca56a635cc3b054 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -141,6 +141,7 @@ import net.minecraft.server.EntityZombieHusk;
import net.minecraft.server.EntityZombieVillager;
import net.minecraft.server.IChatBaseComponent;
import net.minecraft.server.NBTTagCompound;
+import org.bukkit.Chunk; // Paper
import org.bukkit.EntityEffect;
import org.bukkit.Location;
import org.bukkit.Server;
@@ -182,6 +183,12 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
this.entity = entity;
}
+ @Override
+ public Chunk getChunk() {
+ net.minecraft.server.Chunk currentChunk = entity.getCurrentChunk();
+ return currentChunk != null ? currentChunk.bukkitChunk : getLocation().getChunk();
+ }
+
public static CraftEntity getEntity(CraftServer server, Entity entity) {
/*
* Order is *EXTREMELY* important -- keep it right! =D