Paper/Spigot-Server-Patches/0145-Fix-Double-World-Add-issues.patch

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2017-05-05 01:08:52 +02:00
From 98c65b22db11cb425f4426f1b52114971dcf12f0 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 21 Jun 2016 22:54:34 -0400
Subject: [PATCH] Fix Double World Add issues
Vanilla will double add Spider Jockeys to the world, so ignore already added.
Also add debug if something else tries to, and abort before world gets bad state
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
2017-04-29 02:25:52 +02:00
index 721a3cd81..90d069539 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
2017-04-29 02:25:52 +02:00
@@ -508,7 +508,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
}
public static void a(Entity entity, World world, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason reason) {
- if (world.addEntity(entity, reason) && entity.isVehicle()) {
+ if (!entity.valid && world.addEntity(entity, reason) && entity.isVehicle()) { // Paper
// CraftBukkit end
Iterator iterator = entity.bx().iterator();
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 7ed3a0677..7900fca57 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
2016-11-17 03:23:38 +01:00
@@ -1098,6 +1098,7 @@ public abstract class World implements IBlockAccess {
public boolean addEntity(Entity entity, SpawnReason spawnReason) { // Changed signature, added SpawnReason
org.spigotmc.AsyncCatcher.catchOp( "entity add"); // Spigot
if (entity == null) return false;
+ if (entity.valid) { MinecraftServer.LOGGER.error("Attempted Double World add on " + entity, new Throwable()); return true; } // Paper
// CraftBukkit end
int i = MathHelper.floor(entity.locX / 16.0D);
int j = MathHelper.floor(entity.locZ / 16.0D);
--
2017-05-05 01:08:52 +02:00
2.12.2