From a1ac62f762e8c8e721b16190169a04fde8efdb5c Mon Sep 17 00:00:00 2001
From: Andrew Krieger <Slizyboy@hotmail.com>
Date: Tue, 24 Dec 2013 07:55:23 -0800
Subject: [PATCH] Cross World Entity Teleportation

Use Entity.teleportTo for cross-world teleportation in CraftEntity.

diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 12d33f0..fd3b39c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -234,7 +234,14 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
         // If this entity is riding another entity, we must dismount before teleporting.
         entity.stopRiding();
 
-        entity.world = ((CraftWorld) location.getWorld()).getHandle();
+        // Spigot start
+        if (!location.getWorld().equals(getWorld())) {
+          entity.teleportTo(location, cause.equals(TeleportCause.NETHER_PORTAL));
+          return true;
+        }
+
+        // entity.world = ((CraftWorld) location.getWorld()).getHandle();
+        // Spigot end
         entity.setLocation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
         entity.world.entityJoinedWorld(entity, false); // Spigot - register to new chunk
         // entity.setLocation() throws no event, and so cannot be cancelled
-- 
2.7.4