Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-16 11:30:06 +01:00
8175ec916f
Should fix #1280 Citizens hijacks entity map, and im guessing under the right conditions the result might actually be null during entity creation Pre the cache patch, the id is looked up on save, so it was fine. Now, if its null and the save ID is requested, we will try to look it up again and cache it if found.
173 Zeilen
6.7 KiB
Diff
173 Zeilen
6.7 KiB
Diff
From 67c7a52969344e723be71cbd2fed330ca8ffa28d 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 4bbebb25af..ea167a17bb 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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@@ -25,7 +25,7 @@ public class Chunk {
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private final byte[] g;
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private final int[] h;
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private final boolean[] i;
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- private boolean j;
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+ private boolean j; public boolean isLoaded() { return j; } // Paper - OBFHELPER
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public final World world;
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public final int[] heightMap;
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public final int locX;
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@@ -33,6 +33,30 @@ public class Chunk {
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private boolean m;
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public final Map<BlockPosition, TileEntity> tileEntities;
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public final List<Entity>[] entitySlices; // Spigot
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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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private boolean done;
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private boolean lit;
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private boolean r;
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@@ -80,7 +104,7 @@ public class Chunk {
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this.g = new byte[256];
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this.h = new int[256];
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this.i = new boolean[256];
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- this.tileEntities = Maps.newHashMap();
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+ this.tileEntities = new TileEntityHashMap(); // Paper
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this.x = 4096;
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this.y = Queues.newConcurrentLinkedQueue();
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this.entitySlices = (List[]) (new List[16]); // Spigot
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@@ -609,6 +633,9 @@ public class Chunk {
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entity.ac = k;
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entity.ad = this.locZ;
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this.entitySlices[k].add(entity);
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+ // Paper start
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+ entity.setCurrentChunk(this);
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+ // Paper end
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// Spigot start - increment creature type count
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// Keep this synced up with World.a(Class)
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if (entity instanceof EntityInsentient) {
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@@ -641,6 +668,9 @@ public class Chunk {
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}
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this.entitySlices[i].remove(entity);
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+ // Paper start
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+ entity.setCurrentChunk(null);
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+ // Paper end
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// Spigot start - decrement creature type count
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// Keep this synced up with World.a(Class)
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if (entity instanceof EntityInsentient) {
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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 06c72b95f3..c107bd767f 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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@@ -1703,6 +1703,38 @@ public abstract class Entity implements ICommandListener, KeyedObject { // Paper
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}
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// Paper start
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+ private 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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+ return chunk != null && chunk.isLoaded() ? chunk : null;
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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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+ if (getChunkX() == x && getChunkZ() == z) {
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+ Chunk chunk = getCurrentChunk();
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+ if (chunk != null) {
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+ return chunk;
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+ }
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+ }
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+ return world.getChunkIfLoaded(x, z);
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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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+ * 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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private String entityKeyString = null;
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private MinecraftKey entityKey = getMinecraftKey();
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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 0176ca530c..29069b753e 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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@@ -28,6 +28,14 @@ public abstract class TileEntity implements KeyedObject {
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}
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// Paper start
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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() : world.getChunkIfLoaded(position.getX() >> 4, position.getZ() >> 4);
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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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private String tileEntityKeyString = null;
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private MinecraftKey tileEntityKey = getMinecraftKey();
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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 c5a194ffea..833e3111de 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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@@ -9,6 +9,7 @@ import java.util.UUID;
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import net.minecraft.server.*;
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+import org.bukkit.Chunk;
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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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@@ -39,6 +40,12 @@ 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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2.18.0
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