Implements a World UID.

1 files changed, 10 insertions, 3 deletions

diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 4edecff6..a786cc7c 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -910,7 +910,7 @@ public abstract class Entity {
         nbttagcompound.a("Air", (short) this.airTicks);
         nbttagcompound.a("OnGround", this.onGround);
         // CraftBukkit start
-        nbttagcompound.setString("World", this.world.worldData.name);
+        nbttagcompound.setLong("WorldUID", this.world.worldData.getWorldUID());
         nbttagcompound.setLong("UUIDLeast", this.uniqueId.getLeastSignificantBits());
         nbttagcompound.setLong("UUIDMost", this.uniqueId.getMostSignificantBits());
         // CraftBukkit end
@@ -982,17 +982,24 @@ public abstract class Entity {
         org.bukkit.Server server = Bukkit.getServer();
         org.bukkit.World bworld = null;
 
+        // TODO: Remove World related checks, replaced with WorldUID.
         if (this instanceof EntityPlayer) {
             EntityPlayer entityPlayer = (EntityPlayer) this;
             String worldName = nbttagcompound.getString("World");
 
-            if (worldName == "") {
+            if (nbttagcompound.hasKey("WorldUID")) {
+                bworld = server.getWorld(nbttagcompound.getLong("WorldUID"));
+            } else if ("".equals(worldName)) {
                 bworld = ((org.bukkit.craftbukkit.CraftServer) server).getServer().getWorldServer(entityPlayer.dimension).getWorld();
             } else {
                 bworld = server.getWorld(worldName);
             }
         } else {
-            bworld = server.getWorld(nbttagcompound.getString("World"));
+            if (nbttagcompound.hasKey("WorldUID")) {
+                bworld = server.getWorld(nbttagcompound.getLong("WorldUID"));
+            } else {
+                bworld = server.getWorld(nbttagcompound.getString("World"));
+            }
         }
 
         this.spawnIn(bworld == null ? null : ((org.bukkit.craftbukkit.CraftWorld) bworld).getHandle());