PaperMC/Spigot-Server-Patches/0144-Fix-Double-World-Add-issues.patch
Shane Freeder 912ee23e25
Update CB
2017-08-11 13:05:23 +01:00

37 lines
1.9 KiB
Diff

From 9f62de2d9723d6ed184b539d495b8838d12955eb 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
index d1c13f00d..5f999d275 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -520,7 +520,7 @@ 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.bF().iterator();
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 91cfed1e5..5672689cf 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1103,6 +1103,7 @@ 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);
--
2.13.4