THE UPDATE

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

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);
+	}
+}