From 860f6ad4b7540768e5e96872a084b5f6baa77273 Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Tue, 5 Jul 2011 04:48:27 +0100
Subject: [PATCH] Implements a World UID.

By: Rigby <rigby@onarandombox.com>
---
 .../main/java/org/bukkit/craftbukkit/CraftServer.java  | 10 ++++++++++
 .../main/java/org/bukkit/craftbukkit/CraftWorld.java   |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 3735635f39..915186e848 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -490,6 +490,16 @@ public final class CraftServer implements Server {
         return worlds.get(name.toLowerCase());
     }
 
+    public World getWorld(long uid) {
+        for (String worldName : worlds.keySet()) {
+            org.bukkit.World world = worlds.get(worldName);
+            if (world.getUID() == uid) {
+                return world;
+            }
+        }
+        return null;
+    }
+
     public void addWorld(World world) {
         worlds.put(world.getName().toLowerCase(), world);
     }
diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index b09e357e4c..fac24e3eec 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -395,10 +395,15 @@ public class CraftWorld implements World {
         return world.worldData.name;
     }
 
+    @Deprecated
     public long getId() {
         return world.worldData.getSeed();
     }
 
+    public long getUID() {
+        return world.worldData.getWorldUID();
+    }
+
     @Override
     public String toString() {
         return "CraftWorld{name=" + getName() + '}';