Changes :P

src/com/massivecraft/mcore4/InternalListener.java

@@ -21,7 +21,6 @@ import com.massivecraft.mcore4.persist.IClassManager;
 import com.massivecraft.mcore4.persist.Persist;
 import com.massivecraft.mcore4.store.Coll;
 import com.massivecraft.mcore4.store.PlayerColl;
-import com.massivecraft.mcore4.util.MUtil;
 
 public class InternalListener implements Listener
 {
@@ -30,6 +29,7 @@ public class InternalListener implements Listener
 	public InternalListener(MCore p)
 	{
 		this.p = p;
+		MCorePlayerLeaveEvent.player2event.clear();
 		Bukkit.getServer().getPluginManager().registerEvents(this, this.p);
 	}
 	
@@ -94,16 +94,53 @@ public class InternalListener implements Listener
 	}
 	
 	// -------------------------------------------- //
-	// STORE SYSTEM: SYNC IN AND SYNC OUT
+	// PLAYER LEAVE EVENT
 	// -------------------------------------------- //
-	// There are some forced syncs of players in all collections so developers can rest assure the data is up to date.
+	
-	// PlayerLoginEvent LOW. LOWEST is left for anti flood and bans.
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
-	// PlayerKickEvent MONITOR.
+	public void leaveEventKickCall(PlayerKickEvent event)
-	// PlayerQuitEvent MONITOR.
+	{
-	// Why do we sync at both PlayerKickEvent and PlayerQuitEvent you may wonder?
+		new MCorePlayerLeaveEvent(event.getPlayer(), true, "kick", event.getReason()).run();
-	// PlayerQuitEvent do not always fire, for example due to a spoutcraft bug
+	}
-	// and it also fires AFTER the player left the server. In kick cases we can sync
+	
-	// directly before the player leaves the server. That is great.
+	@EventHandler(priority = EventPriority.MONITOR)
+	public void leaveEventQuitCall(PlayerQuitEvent event)
+	{
+		new MCorePlayerLeaveEvent(event.getPlayer(), false, "quit", null).run();
+	}
+	
+	@EventHandler(priority = EventPriority.MONITOR)
+	public void leaveEventQuitClear(PlayerQuitEvent event)
+	{
+		// We do the schedule in order for the set to be correct through out the whole MONITOR priority state.
+		final String name = event.getPlayer().getName();
+		Bukkit.getScheduler().scheduleSyncDelayedTask(MCore.p, new Runnable()
+		{
+			@Override
+			public void run()
+			{
+				MCorePlayerLeaveEvent.player2event.remove(name);
+			}
+		});
+	}
+	
+	// -------------------------------------------- //
+	// SYNC PLAYER ON LOGON AND LEAVE
+	// -------------------------------------------- //
+	
+	@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
+	public void syncOnPlayerLogin(PlayerLoginEvent event)
+	{
+		p.log("syncOnPlayerLogin", event.getPlayer().getName());
+		this.syncAllForPlayer(event.getPlayer());
+	}
+	
+	@EventHandler(priority = EventPriority.MONITOR)
+	public void syncOnPlayerLeave(MCorePlayerLeaveEvent event)
+	{
+		p.log("syncOnPlayerLeave", event.getPlayer().getName());
+		this.syncAllForPlayer(event.getPlayer());
+	}
 	
 	public void syncAllForPlayer(Player player)
 	{
@@ -113,36 +150,6 @@ public class InternalListener implements Listener
 			if (!(coll instanceof PlayerColl)) continue;
 			PlayerColl<?> pcoll = (PlayerColl<?>)coll;
 			pcoll.syncId(playerName);
-			//ModificationState mstate = pcoll.syncId(playerName);
-			//p.log("syncAllForPlayer", coll.name(), playerName, pcoll.syncId(playerName), pcoll.syncId(playerName));
 		}
 	}
-	
-	@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
-	public void syncAllForPlayer(PlayerLoginEvent event)
-	{
-		//p.log("syncAllForPlayer PlayerLoginEvent LOW", event.getPlayer().getName());
-		this.syncAllForPlayer(event.getPlayer());
-	}
-	
-	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
-	public void syncAllForPlayer(PlayerKickEvent event)
-	{
-		//p.log("syncAllForPlayer PlayerKickEvent MONITOR", event.getPlayer().getName());
-		new MCorePlayerLeaveEvent(event.getPlayer(), true, event.getReason()).run();
-		this.syncAllForPlayer(event.getPlayer());
-	}
-	
-	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
-	public void syncAllForPlayer(PlayerQuitEvent event)
-	{
-		//p.log("syncAllForPlayer PlayerQuitEvent MONITOR", event.getPlayer().getName());
-		if (!MUtil.causedByKick(event))
-		{
-			new MCorePlayerLeaveEvent(event.getPlayer(), false, null).run();
-		}
-		
-		this.syncAllForPlayer(event.getPlayer());
-	}
-	
 }

src/com/massivecraft/mcore4/MCore.java

@@ -10,6 +10,7 @@ import org.bukkit.inventory.ItemStack;
 import com.massivecraft.mcore4.adapter.InventoryAdapter;
 import com.massivecraft.mcore4.adapter.ItemStackAdapter;
 import com.massivecraft.mcore4.adapter.MongoURIAdapter;
+import com.massivecraft.mcore4.adapter.PSAdapter;
 import com.massivecraft.mcore4.persist.Persist;
 import com.massivecraft.mcore4.store.Coll;
 import com.massivecraft.mcore4.store.Db;
@@ -24,6 +25,13 @@ import com.massivecraft.mcore4.xlib.mongodb.MongoURI;
 
 public class MCore extends MPlugin
 {
+	// -------------------------------------------- //
+	// COMMON CONSTANTS
+	// -------------------------------------------- //
+	
+	public final static String INSTANCE = "instance";
+	public final static String DEFAULT = "default";
+	
 	// -------------------------------------------- //
 	// STATIC
 	// -------------------------------------------- //
@@ -39,7 +47,8 @@ public class MCore extends MPlugin
 		.excludeFieldsWithModifiers(Modifier.TRANSIENT)
 		.registerTypeAdapter(MongoURI.class, MongoURIAdapter.get())
 		.registerTypeAdapter(ItemStack.class, new ItemStackAdapter())
-		.registerTypeAdapter(Inventory.class, new InventoryAdapter());
+		.registerTypeAdapter(Inventory.class, new InventoryAdapter())
+		.registerTypeAdapter(PS.class, new PSAdapter());
 	}
 	
 	public static String getServerId() { return Conf.serverid; }

src/com/massivecraft/mcore4/PS.java

@@ -1,14 +1,20 @@
 package com.massivecraft.mcore4;
 
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.List;
+
 import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
 import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.block.Block;
+import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.util.Vector;
 
 import com.massivecraft.mcore4.store.accessor.Accessor;
+import com.massivecraft.mcore4.util.Txt;
 import com.massivecraft.mcore4.xlib.gson.annotations.SerializedName;
 
 /**
@@ -421,13 +427,45 @@ public class PS implements Cloneable
 		return this;
 	}
 	
+	// ---------------------
+	// TODO: This should be removed later on when my converting phase is complete.
+	public synchronized PS read(String str)
+	{
+		return this.readDefault().readTransparent(str);
+	}
+	
+	public synchronized PS readTransparent(String str)
+	{
+		String[] parts = str.split("\\|");
+		
+		if (parts.length == 4)
+		{
+			this.worldName = parts[0];
+			this.blockX = Integer.parseInt(parts[1]);
+			this.blockY = Integer.parseInt(parts[2]);
+			this.blockZ = Integer.parseInt(parts[3]);
+		}
+		else if (parts.length == 6)
+		{
+			this.worldName = parts[0];
+			this.locationX = Double.parseDouble(parts[1]);
+			this.locationY = Double.parseDouble(parts[2]);
+			this.locationZ = Double.parseDouble(parts[3]);
+			this.pitch = Float.parseFloat(parts[4]);
+			this.yaw = Float.parseFloat(parts[5]);
+		}
+		
+		return this;
+	}
+	
+	
 	//----------------------------------------------//
 	// WRITERS
 	//----------------------------------------------//
 	
-	public synchronized void write(Player player)
+	public synchronized void write(Entity entity)
 	{
-		teleporter.teleport(player, this);
+		teleporter.teleport(entity, this);
 	}
 	
 	//----------------------------------------------//
@@ -477,7 +515,72 @@ public class PS implements Cloneable
     public synchronized String toString()
     {
     	return this.getClass().getSimpleName()+MCore.gson.toJson(this);
-    } 
+    }
+    
+    protected final transient static DecimalFormat twoDForm = new DecimalFormat("#.##");
+    public List<String> getDesc()
+    {
+    	// ret.add("<h>World <a>"+this.worldName);
+    	return this.getDesc("<k>%s <v>%s");
+    }
+	public List<String> getDesc(String format)
+	{
+		List<String> ret = new ArrayList<String>();
+		
+		if (this.worldName != null) ret.add(Txt.parse(format, "World", this.worldName));
+
+		if (this.blockX != null) ret.add(Txt.parse(format, "Block X", this.blockX));
+		if (this.blockY != null) ret.add(Txt.parse(format, "Block Y", this.blockY));
+		if (this.blockZ != null) ret.add(Txt.parse(format, "Block Z", this.blockZ));
+
+		if (this.locationX != null) ret.add(Txt.parse(format, "Location X", twoDForm.format(this.locationX)));
+		if (this.locationY != null) ret.add(Txt.parse(format, "Location Y", twoDForm.format(this.locationY)));
+		if (this.locationZ != null) ret.add(Txt.parse(format, "Location Z", twoDForm.format(this.locationZ)));
+
+		if (this.chunkX != null) ret.add(Txt.parse(format, "Chunk X", this.chunkX));
+		if (this.chunkZ != null) ret.add(Txt.parse(format, "Chunk Z", this.chunkZ));
+
+		if (this.pitch != null) ret.add(Txt.parse(format, "Pitch", twoDForm.format(this.pitch)));
+		if (this.yaw != null) ret.add(Txt.parse(format, "Yaw", twoDForm.format(this.yaw)));
+
+		if (this.velocityX != null) ret.add(Txt.parse(format, "Velocity X", twoDForm.format(this.velocityX)));
+		if (this.velocityY != null) ret.add(Txt.parse(format, "Velocity Y", twoDForm.format(this.velocityY)));
+		if (this.velocityZ != null) ret.add(Txt.parse(format, "Velocity Z", twoDForm.format(this.velocityZ)));
+		
+		return ret;
+	}
+	
+	public String getShortDesc()
+    {
+    	return this.getShortDesc("<k>%s <v>%s ");
+    }
+	public String getShortDesc(String format)
+	{
+		List<String> ret = new ArrayList<String>();
+		
+		if (this.worldName != null) ret.add(Txt.parse(format, "w", this.worldName));
+
+		if (this.blockX != null) ret.add(Txt.parse(format, "bx", this.blockX));
+		if (this.blockY != null) ret.add(Txt.parse(format, "by", this.blockY));
+		if (this.blockZ != null) ret.add(Txt.parse(format, "bz", this.blockZ));
+
+		if (this.locationX != null) ret.add(Txt.parse(format, "lx", twoDForm.format(this.locationX)));
+		if (this.locationY != null) ret.add(Txt.parse(format, "ly", twoDForm.format(this.locationY)));
+		if (this.locationZ != null) ret.add(Txt.parse(format, "lz", twoDForm.format(this.locationZ)));
+
+		if (this.chunkX != null) ret.add(Txt.parse(format, "cx", this.chunkX));
+		if (this.chunkZ != null) ret.add(Txt.parse(format, "cz", this.chunkZ));
+
+		if (this.pitch != null) ret.add(Txt.parse(format, "p", twoDForm.format(this.pitch)));
+		if (this.yaw != null) ret.add(Txt.parse(format, "y", twoDForm.format(this.yaw)));
+
+		if (this.velocityX != null) ret.add(Txt.parse(format, "vx", twoDForm.format(this.velocityX)));
+		if (this.velocityY != null) ret.add(Txt.parse(format, "vy", twoDForm.format(this.velocityY)));
+		if (this.velocityZ != null) ret.add(Txt.parse(format, "vz", twoDForm.format(this.velocityZ)));
+		
+		return Txt.implode(ret, "").trim();
+	}
+	
 	
 	//----------------------------------------------//
 	// CLONE

src/com/massivecraft/mcore4/adapter/PSAdapter.java

@@ -0,0 +1,53 @@
+package com.massivecraft.mcore4.adapter;
+
+import java.lang.reflect.Type;
+
+import com.massivecraft.mcore4.PS;
+import com.massivecraft.mcore4.xlib.gson.Gson;
+import com.massivecraft.mcore4.xlib.gson.JsonDeserializationContext;
+import com.massivecraft.mcore4.xlib.gson.JsonDeserializer;
+import com.massivecraft.mcore4.xlib.gson.JsonElement;
+import com.massivecraft.mcore4.xlib.gson.JsonParseException;
+import com.massivecraft.mcore4.xlib.gson.JsonPrimitive;
+import com.massivecraft.mcore4.xlib.mongodb.MongoURI;
+
+public class PSAdapter implements JsonDeserializer<PS>
+{
+	// -------------------------------------------- //
+	// IMPLEMENTATION
+	// -------------------------------------------- //
+	
+	@Override
+	public PS deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException
+	{
+		if (json.isJsonPrimitive())
+		{
+			return new PS().read(json.getAsString());
+		}
+		return new Gson().fromJson(json, typeOfT);
+	}
+	
+	// -------------------------------------------- //
+	// STATIC LOGIC
+	// -------------------------------------------- //
+	
+	public static JsonElement serialize(MongoURI mongoURI)
+	{
+		return new JsonPrimitive(mongoURI.toString());
+	}
+	
+	public static MongoURI deserialize(JsonElement json)
+	{
+		return new MongoURI(json.getAsString());
+	}
+	
+	// -------------------------------------------- //
+	// INSTANCE
+	// -------------------------------------------- //
+	
+	protected static PSAdapter instance = new PSAdapter();
+	public static PSAdapter get()
+	{
+		return instance;
+	}
+}

src/com/massivecraft/mcore4/event/MCorePlayerLeaveEvent.java

@@ -1,10 +1,15 @@
 package com.massivecraft.mcore4.event;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
 
+import com.massivecraft.mcore4.MCore;
+
 /**
  * The MCorePlayerLeaveEvent is a non-cancellable event.
  * It is run at the MONITOR of either PlayerKickEvent or PlayerQuitEvent.
@@ -13,8 +18,7 @@ import org.bukkit.event.HandlerList;
  * 
  * Use this even if you want to update a player entity as
  * that player leaves. Automatic syncing will be guaranteed and the
- * event will run the moment BEFORE the player leaves the server if possible
+ * event will run pre disconnect if possible due to the internal usage if the PlayerKickedEvent.
- * due to the internal usage if the PlayerKickedEvent.
  */
 public class MCorePlayerLeaveEvent extends Event implements Runnable
 {
@@ -32,22 +36,28 @@ public class MCorePlayerLeaveEvent extends Event implements Runnable
 	protected Player player;
 	public Player getPlayer() { return this.player; }
 	
-	protected boolean kick;
+	protected boolean preDisconnect;
-	public boolean isKick() { return this.kick; }
+	public boolean isPreDisconnect() { return this.preDisconnect; }
-	public boolean isQuit() { return !this.kick; }
+	public boolean isPostDisconnect() { return !this.isPreDisconnect(); }
 	
-	protected String kickReason;
+	protected String caller;
-	public String getKickReason() { return this.kickReason; }
+	public String getCaller() { return this.caller; }
+	public boolean isQuit() { return "quit".equals(caller); }
+	public boolean isKick() { return "kick".equals(caller); }
+	
+	protected String message;
+	public String getMessage() { return this.message; }
 	
 	// -------------------------------------------- //
 	// CONSTRUCT
 	// -------------------------------------------- //
 	
-	public MCorePlayerLeaveEvent(Player player, boolean kick, String kickReason)
+	public MCorePlayerLeaveEvent(Player player, boolean preDisconnect, String caller, String message)
 	{
 		this.player = player;
-		this.kick = kick;
+		this.preDisconnect = preDisconnect;
-		this.kickReason = kickReason;
+		this.caller = caller;
+		this.message = message;
 	}
 	
 	// -------------------------------------------- //
@@ -57,7 +67,23 @@ public class MCorePlayerLeaveEvent extends Event implements Runnable
 	@Override
 	public void run()
 	{
-		Bukkit.getPluginManager().callEvent(this);
+		// Someone may already have issued a player leave event for this disconnect.
+		// We ignore that since we want one leave event called per disconnect only.
+		boolean doit = !player2event.containsKey(this.player.getName());
+		
+		//MCore.p.log("MCorePlayerLeaveEvent", "caller:", caller, "doit:", doit, "player:", player.getDisplayName(), "preDisconnect:", preDisconnect, "message:", message);
+		
+		if (doit)
+		{
+			MCore.p.log("MCorePlayerLeaveEvent", caller, player.getDisplayName(), preDisconnect, message);
+			player2event.put(this.player.getName(), this);
+			Bukkit.getPluginManager().callEvent(this);
+		}
 	}
 	
+	// -------------------------------------------- //
+	// STORING THE ACTIVE PLAYER EVENT
+	// -------------------------------------------- //
+	public static Map<String,MCorePlayerLeaveEvent> player2event = new HashMap<String,MCorePlayerLeaveEvent>();
+	
 }

src/com/massivecraft/mcore4/store/Coll.java

@@ -579,6 +579,7 @@ public class Coll<E, L> implements CollInterface<E, L>
 	@Override
 	public void init()
 	{
+		if (instances.contains(this)) return;
 		this.syncAll();
 		this.examineThread = new ExamineThread<E, L>(this);
 		this.examineThread.start();

src/com/massivecraft/mcore4/store/Colls.java

@@ -6,15 +6,16 @@ import java.util.List;
 import java.util.Map;
 
 import com.massivecraft.mcore4.usys.Aspect;
+import com.massivecraft.mcore4.usys.Multiverse;
 import com.massivecraft.mcore4.util.MUtil;
 
 public abstract class Colls<C extends Coll<E, L>, E, L>
 {
 	protected Map<String, C> name2coll = new HashMap<String, C>();
 	
-	public abstract C createColl(String name);
 	public abstract Aspect aspect();
 	public abstract String basename();
+	public abstract C createColl(String name);
 
 	// -------------------------------------------- //
 	// CONSTRUCT
@@ -27,8 +28,10 @@ public abstract class Colls<C extends Coll<E, L>, E, L>
 	
 	public List<C> getColls()
 	{
-		List<C> ret = new ArrayList<C>();
+		List<C> ret = new ArrayList<C>(); 
-		for (String universe : this.aspect().multiverse().getUniverses())
+		Aspect a = this.aspect();
+		Multiverse m = a.multiverse();
+		for (String universe : m.getUniverses())
 		{
 			ret.add(this.getForUniverse(universe));
 		}
@@ -75,6 +78,7 @@ public abstract class Colls<C extends Coll<E, L>, E, L>
 		if (ret == null)
 		{
 			ret = this.createColl(collname);
+			ret.init();
 			this.name2coll.put(collname, ret);
 		}
 		return ret;

src/com/massivecraft/mcore4/usys/Aspect.java

@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 
+import com.massivecraft.mcore4.MCore;
 import com.massivecraft.mcore4.store.Entity;
 import com.massivecraft.mcore4.xlib.gson.annotations.SerializedName;
 
@@ -48,7 +49,7 @@ public class Aspect extends Entity<Aspect, String>
 	public Multiverse multiverse()
 	{
 		Multiverse ret = MultiverseColl.i.get(this.multiverseId);
-		if (ret == null) ret = MultiverseColl.i.get(Multiverse.DEFAULT);
+		if (ret == null) ret = MultiverseColl.i.get(MCore.DEFAULT);
 		return ret;
 	}
 	public void multiverse(Multiverse val) { this.multiverseId = val.getId(); }

src/com/massivecraft/mcore4/usys/Multiverse.java

@@ -8,6 +8,7 @@ import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
 
+import com.massivecraft.mcore4.MCore;
 import com.massivecraft.mcore4.cmd.arg.ARUniverse;
 import com.massivecraft.mcore4.store.Entity;
 import com.massivecraft.mcore4.util.MUtil;
@@ -33,8 +34,6 @@ public class Multiverse extends Entity<Multiverse, String>
 	// FIELDS
 	// -------------------------------------------- //
 	
-	public static final transient String DEFAULT = "default";
-	
 	protected Map<String, Set<String>> uw = new HashMap<String, Set<String>>();
 	
 	
@@ -72,7 +71,7 @@ public class Multiverse extends Entity<Multiverse, String>
 	
 	public Set<String> newUniverse(String universe)
 	{
-		if (universe.equals(Multiverse.DEFAULT)) return null;
+		if (universe.equals(MCore.DEFAULT)) return null;
 		Set<String> ret = this.uw.get(universe);
 		if (ret == null)
 		{
@@ -91,7 +90,7 @@ public class Multiverse extends Entity<Multiverse, String>
 	{
 		Set<String> ret = new LinkedHashSet<String>();
 		ret.addAll(this.uw.keySet());
-		ret.add(Multiverse.DEFAULT);
+		ret.add(MCore.DEFAULT);
 		return ret;
 	}
 	
@@ -103,7 +102,7 @@ public class Multiverse extends Entity<Multiverse, String>
 			Set<String> worlds = entry.getValue();
 			if (worlds.contains(worldName)) return universe;
 		}
-		return Multiverse.DEFAULT;
+		return MCore.DEFAULT;
 	}
 	
 	public String getUniverse(Object worldNameExtractable)
@@ -128,7 +127,7 @@ public class Multiverse extends Entity<Multiverse, String>
 	{
 		if (this.getUniverseForWorldName(worldName).equals(universe)) return false;
 		this.removeWorld(worldName);
-		if (!universe.equals(Multiverse.DEFAULT))
+		if (!universe.equals(MCore.DEFAULT))
 		{
 			this.newUniverse(universe).add(worldName);
 		}

src/com/massivecraft/mcore4/usys/MultiverseColl.java

@@ -21,7 +21,7 @@ public class MultiverseColl extends Coll<Multiverse, String>
 		super.init();
 		
 		// Ensure the default multiverse exits
-		this.get(Multiverse.DEFAULT, true);
+		this.get(MCore.DEFAULT, true);
 	}
 	
 }

src/com/massivecraft/mcore4/usys/cmd/CmdUsysMultiverseDel.java

@@ -1,5 +1,6 @@
 package com.massivecraft.mcore4.usys.cmd;
 
+import com.massivecraft.mcore4.MCore;
 import com.massivecraft.mcore4.Permission;
 import com.massivecraft.mcore4.cmd.arg.ARMultiverse;
 import com.massivecraft.mcore4.cmd.req.ReqHasPerm;
@@ -23,7 +24,7 @@ public class CmdUsysMultiverseDel extends UsysCommand
 		
 		String id = multiverse.getId();
 		
-		if (id.equals(Multiverse.DEFAULT))
+		if (id.equals(MCore.DEFAULT))
 		{
 			msg("<b>You can't delete the default multiverse.");
 			return;

src/com/massivecraft/mcore4/usys/cmd/CmdUsysMultiverseShow.java

@@ -3,6 +3,7 @@ package com.massivecraft.mcore4.usys.cmd;
 import java.util.ArrayList;
 import java.util.List;
 
+import com.massivecraft.mcore4.MCore;
 import com.massivecraft.mcore4.Permission;
 import com.massivecraft.mcore4.cmd.arg.ARMultiverse;
 import com.massivecraft.mcore4.cmd.req.ReqHasPerm;
@@ -30,7 +31,7 @@ public class CmdUsysMultiverseShow extends UsysCommand
 		
 		for (String universe : multiverse.getUniverses())
 		{
-			if (universe.equals(Multiverse.DEFAULT)) continue;
+			if (universe.equals(MCore.DEFAULT)) continue;
 			msg("<aqua>"+universe+"<i>: "+Txt.implodeCommaAndDot(multiverse.getWorlds(universe), "<h>%s", "<i>, ", " <i>and ", "<i>."));
 		}
 		msg("<aqua>default<i>: for all other worlds.");

src/com/massivecraft/mcore4/usys/cmd/CmdUsysUniverseClear.java

@@ -1,5 +1,6 @@
 package com.massivecraft.mcore4.usys.cmd;
 
+import com.massivecraft.mcore4.MCore;
 import com.massivecraft.mcore4.Permission;
 import com.massivecraft.mcore4.cmd.arg.ARMultiverse;
 import com.massivecraft.mcore4.cmd.req.ReqHasPerm;
@@ -24,7 +25,7 @@ public class CmdUsysUniverseClear extends UsysCommand
 		
 		String universe = this.arg(0);
 		
-		if (universe.equals(Multiverse.DEFAULT))
+		if (universe.equals(MCore.DEFAULT))
 		{
 			msg("<b>You can't clear the default universe.");
 			msg("<b>It contains the worlds that aren't assigned to a universe.");

src/com/massivecraft/mcore4/usys/cmd/CmdUsysUniverseDel.java

@@ -1,5 +1,6 @@
 package com.massivecraft.mcore4.usys.cmd;
 
+import com.massivecraft.mcore4.MCore;
 import com.massivecraft.mcore4.Permission;
 import com.massivecraft.mcore4.cmd.arg.ARMultiverse;
 import com.massivecraft.mcore4.cmd.req.ReqHasPerm;
@@ -24,7 +25,7 @@ public class CmdUsysUniverseDel extends UsysCommand
 		
 		String universe = this.arg(0);
 		
-		if (universe.equals(Multiverse.DEFAULT))
+		if (universe.equals(MCore.DEFAULT))
 		{
 			msg("<b>You can't remove the default universe.");
 			msg("<b>Each multiverse contains a default universe.");