From 51be9e77c6853231d10965d1aa56bf54ca3c189a Mon Sep 17 00:00:00 2001
From: Dinnerbone <dinnerbone@dinnerbone.com>
Date: Thu, 24 Feb 2011 12:07:33 +0000
Subject: [PATCH] Attempt to convert multiworld worlds... world.

---
 src/main/java/org/bukkit/craftbukkit/CraftServer.java | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 9547ae0132..282642578e 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -10,11 +10,14 @@ import java.util.Map;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import net.minecraft.server.ChunkCoordinates;
+import net.minecraft.server.ConvertProgressUpdater;
+import net.minecraft.server.Convertable;
 import net.minecraft.server.EntityPlayer;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.PropertyManager;
 import net.minecraft.server.ServerConfigurationManager;
 import net.minecraft.server.ServerNBTManager;
+import net.minecraft.server.WorldLoaderServer;
 import net.minecraft.server.WorldManager;
 import net.minecraft.server.WorldServer;
 import org.bukkit.*;
@@ -212,6 +215,12 @@ public final class CraftServer implements Server {
             throw new IllegalArgumentException("File exists with the name '" + name + "' and isn't a folder");
         }
 
+        Convertable converter = new WorldLoaderServer(folder);
+        if (converter.a(name)) {
+            getLogger().info("Converting world '" + name + "'");
+            converter.a(name, new ConvertProgressUpdater(console));
+        }
+
         WorldServer internal = new WorldServer(console, new ServerNBTManager(new File("."), name, true), name, environment == World.Environment.NETHER ? -1 : 0);
 
         internal.a(new WorldManager(console, internal));