THE UPDATE

Merging months of dev work into master. The update is playable, but
untested.

StevenDimDoors/mod_pocketDim/watcher/ClientDimData.java

@@ -0,0 +1,37 @@
+package StevenDimDoors.mod_pocketDim.watcher;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+import StevenDimDoors.mod_pocketDim.core.NewDimData;
+
+public class ClientDimData
+{
+	//We'll use public fields since this is just a data container and it's immutable
+	public final int ID;
+	public final int RootID;
+	
+	public ClientDimData(int id, int rootID)
+	{
+		ID = id;
+		RootID = rootID;
+	}
+	
+	public ClientDimData(NewDimData dimension)
+	{
+		ID = dimension.id();
+		RootID = dimension.root().id();
+	}
+	
+	public void write(DataOutputStream output) throws IOException
+	{
+		output.writeInt(ID);
+		output.writeInt(RootID);
+	}
+	
+	public static ClientDimData read(DataInputStream input) throws IOException
+	{
+		return new ClientDimData(input.readInt(), input.readInt());
+	}
+}

StevenDimDoors/mod_pocketDim/watcher/IUpdateSource.java

@@ -0,0 +1,8 @@
+package StevenDimDoors.mod_pocketDim.watcher;
+
+import StevenDimDoors.mod_pocketDim.util.Point4D;
+
+public interface IUpdateSource
+{
+	public void registerWatchers(IUpdateWatcher<ClientDimData> dimWatcher, IUpdateWatcher<Point4D> linkWatcher);
+}

StevenDimDoors/mod_pocketDim/watcher/IUpdateWatcher.java

@@ -0,0 +1,7 @@
+package StevenDimDoors.mod_pocketDim.watcher;
+
+public interface IUpdateWatcher<T>
+{
+	public void onCreated(T message);
+	public void onDeleted(T message);
+}

StevenDimDoors/mod_pocketDim/watcher/UpdateWatcherProxy.java

@@ -0,0 +1,42 @@
+package StevenDimDoors.mod_pocketDim.watcher;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class UpdateWatcherProxy<T> implements IUpdateWatcher<T>
+{
+	private List<IUpdateWatcher<T>> watchers;
+	
+	public UpdateWatcherProxy()
+	{
+		watchers = new ArrayList<IUpdateWatcher<T>>();
+	}
+
+	@Override
+	public void onCreated(T message)
+	{
+		for (IUpdateWatcher<T> receiver : watchers)
+		{
+			receiver.onCreated(message);
+		}
+	}
+
+	@Override
+	public void onDeleted(T message)
+	{
+		for (IUpdateWatcher<T> receiver : watchers)
+		{
+			receiver.onDeleted(message);
+		}
+	}
+	
+	public void registerReceiver(IUpdateWatcher<T> receiver)
+	{
+		watchers.add(receiver);
+	}
+	
+	public boolean unregisterReceiver(IUpdateWatcher<T> receiver)
+	{
+		return watchers.remove(receiver);
+	}
+}