72 lines
3.3 KiB
Diff
72 lines
3.3 KiB
Diff
From a4b33c025c22c73b86648dde212ee91c5942a9b6 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 29 Jul 2018 16:56:48 -0400
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Subject: [PATCH] Process Chunk.addEntities before chunkLoadEvent
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1.13 undesirably changed behavior here that chunk load event fired
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before the entities were added to the world.
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This means any plugin that spawns entities in chunk load event
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causes the entities to be registered to the chunk, and then
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added to the world twice.
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Moves Entity Add to World to be done anytime a chunk is
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registered to the Chunk Map, and ignore other calls.
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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 4e32ae7db6..f0098e910a 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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@@ -897,7 +897,8 @@ public class Chunk implements IChunkAccess {
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}
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- public void addEntities() {
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+ public void addEntities() { } // Paper - do nothing if anything calls this, we call it properly during ChunkMap.put
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+ public void addEntitiesToWorld() { // Paper - rename to ensure noone else calls it
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this.j = true;
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this.world.b(this.tileEntities.values());
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List[] aentityslice = this.entitySlices; // Spigot
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diff --git a/src/main/java/net/minecraft/server/ChunkMap.java b/src/main/java/net/minecraft/server/ChunkMap.java
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index 5757aa80f3..c6cedba96e 100644
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--- a/src/main/java/net/minecraft/server/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/ChunkMap.java
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@@ -31,6 +31,7 @@ public class ChunkMap extends Long2ObjectOpenHashMap<Chunk> {
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}
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}
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}
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+ chunk.addEntitiesToWorld(); // Paper - call before ChunkLoadEvent to maintain pre 1.13 order, otherwise CLE can manipulate the chunks entities
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org.bukkit.Server server = chunk.world.getServer();
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if (server != null) {
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diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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index bd52bf6561..e27e952a1b 100644
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--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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@@ -154,8 +154,8 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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if (data != null) {
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Chunk chunk = (Chunk) data[0];
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NBTTagCompound nbttagcompound = (NBTTagCompound) data[1];
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- consumer.accept(chunk);
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this.loadEntities(nbttagcompound.getCompound("Level"), chunk);
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+ consumer.accept(chunk); // Paper - call AFTER entities are loaded
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return chunk;
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}
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index ece1871294..4fc3c2c354 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -2464,7 +2464,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
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while (iterator.hasNext()) {
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Entity entity = (Entity) iterator.next();
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- if (entity == null) {
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+ if (entity == null || entity.valid) { // Paper - if already added, skip (shouldn't happen, but safety)
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continue;
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}
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this.entityList.add(entity);
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--
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2.18.0
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