World-change code for set(lobby)region.

src/com/garbagemule/MobArena/commands/setup/SetLobbyRegionCommand.java

@@ -1,5 +1,7 @@
 package com.garbagemule.MobArena.commands.setup;
 
+import com.garbagemule.MobArena.framework.Arena;
+import org.bukkit.World;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -34,7 +36,17 @@ public class SetLobbyRegionCommand implements Command
             return true;
         }
 
-        am.getSelectedArena().getRegion().set(arg1, p.getLocation());
+        Arena arena = am.getSelectedArena();
+        World aw = arena.getWorld();
+        World pw = p.getLocation().getWorld();
+
+        if (!aw.getName().equals(pw.getName())) {
+            String msg = String.format("Changing world of arena '%s' from '%s' to '%s'", arena.configName(), aw.getName(), pw.getName());
+            Messenger.tellPlayer(sender, msg);
+        }
+
+        arena.setWorld(p.getWorld());
+        arena.getRegion().set(arg1, p.getLocation());
         Messenger.tellPlayer(sender, "Lobby region point " + arg1 + " for arena '" + am.getSelectedArena().configName() + "' set.");
         return true;
     }

src/com/garbagemule/MobArena/commands/setup/SetRegionCommand.java

@@ -1,5 +1,7 @@
 package com.garbagemule.MobArena.commands.setup;
 
+import com.garbagemule.MobArena.framework.Arena;
+import org.bukkit.World;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -34,9 +36,19 @@ public class SetRegionCommand implements Command
             return true;
         }
 
-        am.getSelectedArena().getRegion().set(arg1, p.getLocation());
+        Arena arena = am.getSelectedArena();
+        World aw = arena.getWorld();
+        World pw = p.getLocation().getWorld();
+
+        if (!aw.getName().equals(pw.getName())) {
+            String msg = String.format("Changing world of arena '%s' from '%s' to '%s'", arena.configName(), aw.getName(), pw.getName());
+            Messenger.tellPlayer(sender, msg);
+        }
+
+        arena.setWorld(p.getWorld());
+        arena.getRegion().set(arg1, p.getLocation());
         Messenger.tellPlayer(sender, "Region point " + arg1 + " for arena '" + am.getSelectedArena().configName() + "' set.");
-        am.getSelectedArena().getRegion().checkData(am.getPlugin(), sender, true, true, false, false);
+        arena.getRegion().checkData(am.getPlugin(), sender, true, true, false, false);
         return true;
     }
 }

src/com/garbagemule/MobArena/commands/setup/SetWarpCommand.java

@@ -69,9 +69,8 @@ public class SetWarpCommand implements Command
             
             // Notify the player if world changed
             if (changeWorld) {
-                Messenger.tellPlayer(sender, "Changed world of arena '" + arena.configName() +
+                String msg = String.format("Changed world of arena '%s' from '%s' to '%s'", arena.configName(), aw.getName(), pw.getName());
-                        "' from '" + aw.getName() +
+                Messenger.tellPlayer(sender, msg);
-                        "' to '" + pw.getName() + "'");
             }
             
             // Then notify about point set