From 6751433a8e106bfb4e1c6ab679f9cefc43ea8cdb Mon Sep 17 00:00:00 2001
From: Dinnerbone <dinnerbone@dinnerbone.com>
Date: Tue, 8 Feb 2011 12:03:36 +0000
Subject: Implemented new Server methods (getWorld + changes to createWorld)

---
 src/main/java/net/minecraft/server/World.java      |  2 ++
 .../java/org/bukkit/craftbukkit/CraftServer.java   | 26 ++++++++++++++--------
 .../java/org/bukkit/craftbukkit/CraftWorld.java    |  4 ++++
 3 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index be0b8e22..844b4471 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -136,6 +136,8 @@ public class World implements IBlockAccess {
             flag = true;
         }
 
+        // Craftbukkit start
+
         this.q = (WorldProvider) object;
         this.q.a(this);
         this.G = this.a(this.t);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 4c4ee29f..26e083e5 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -4,7 +4,9 @@ import org.bukkit.command.*;
 import org.bukkit.entity.Player;
 import java.io.File;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import net.minecraft.server.EntityPlayer;
@@ -30,6 +32,7 @@ public final class CraftServer implements Server {
     private final CommandMap commandMap = new SimpleCommandMap(this);
     protected final MinecraftServer console;
     protected final ServerConfigurationManager server;
+    private final Map<String, World> worlds = new HashMap<String, World>();
 
     public CraftServer(MinecraftServer console, ServerConfigurationManager server) {
         this.console = console;
@@ -155,15 +158,7 @@ public final class CraftServer implements Server {
     }
 
     public List<World> getWorlds() {
-        List<World> worlds = new ArrayList<World>();
-
-        synchronized (console.worlds) {
-            for (WorldServer world : console.worlds) {
-                worlds.add(world.getWorld());
-            }
-        }
-
-        return worlds;
+        return new ArrayList<World>(worlds.values());
     }
 
     public ServerConfigurationManager getHandle() {
@@ -203,6 +198,11 @@ public final class CraftServer implements Server {
 
     public World createWorld(String name, World.Environment environment) {
         File folder = new File(name);
+        World world = getWorld(name);
+
+        if (world != null) {
+            return world;
+        }
         
         if ((folder.exists()) && (!folder.isDirectory())) {
             throw new IllegalArgumentException("File exists with the name '" + name + "' and isn't a folder");
@@ -248,4 +248,12 @@ public final class CraftServer implements Server {
     public MinecraftServer getServer() {
         return console;
     }
+
+    public World getWorld(String name) {
+        return worlds.get(name.toLowerCase());
+    }
+
+    protected void addWorld(World world) {
+        worlds.put(world.getName().toLowerCase(), world);
+    }
 }
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 7be39deb..2e90063e 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -25,17 +25,21 @@ import org.bukkit.World;
 public class CraftWorld implements World {
     private final WorldServer world;
     private final Environment environment;
+    private final CraftServer server;
 
     private static final Random rand = new Random();
 
     public CraftWorld(WorldServer world) {
         this.world = world;
+        this.server = world.getServer();
 
         if (world.q instanceof WorldProviderHell) {
             environment = Environment.NETHER;
         } else {
             environment = Environment.NORMAL;
         }
+
+        server.addWorld(this);
     }
 
     public Block getBlockAt(int x, int y, int z) {
-- 
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