Relocate Source to proper directory.

src/main/java/appeng/hooks/CompassManager.java

@@ -0,0 +1,102 @@
+package appeng.hooks;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Iterator;
+
+import appeng.core.AELog;
+import appeng.core.sync.network.NetworkHandler;
+import appeng.core.sync.packets.PacketCompassRequest;
+
+public class CompassManager
+{
+
+	public static CompassManager instance = new CompassManager();
+
+	class CompassReq
+	{
+
+		final int hash;
+
+		final long attunement;
+		final int cx, cdy, cz;
+
+		public CompassReq(long attunement, int x, int y, int z) {
+			this.attunement = attunement;
+			cx = x >> 4;
+			cdy = y >> 5;
+			cz = z >> 4;
+			hash = ((Integer) cx).hashCode() ^ ((Integer) cdy).hashCode() ^ ((Integer) cz).hashCode() ^ ((Long) attunement).hashCode();
+		}
+
+		@Override
+		public int hashCode()
+		{
+			return hash;
+		}
+
+		@Override
+		public boolean equals(Object obj)
+		{
+			CompassReq b = (CompassReq) obj;
+			return attunement == b.attunement && cx == b.cx && cdy == b.cdy && cz == b.cz;
+		}
+
+	}
+
+	HashMap<CompassReq, CompassResult> reqs = new HashMap();
+
+	public void postResult(long attunement, int x, int y, int z, CompassResult res)
+	{
+		CompassReq r = new CompassReq( attunement, x, y, z );
+		reqs.put( r, res );
+	}
+
+	public CompassResult getCompassDirection(long attunement, int x, int y, int z)
+	{
+		long now = System.currentTimeMillis();
+
+		Iterator<CompassResult> i = reqs.values().iterator();
+		while (i.hasNext())
+		{
+			CompassResult res = i.next();
+			long diff = now - res.time;
+			if ( diff > 20000 )
+				i.remove();
+		}
+
+		CompassReq r = new CompassReq( attunement, x, y, z );
+		CompassResult res = reqs.get( r );
+
+		if ( res == null )
+		{
+			res = new CompassResult( false, true, 0 );
+			reqs.put( r, res );
+			requestUpdate( r );
+		}
+		else if ( now - res.time > 1000 * 3 )
+		{
+			if ( !res.requested )
+			{
+				res.requested = true;
+				requestUpdate( r );
+			}
+		}
+
+		return res;
+	}
+
+	private void requestUpdate(CompassReq r)
+	{
+
+		try
+		{
+			NetworkHandler.instance.sendToServer( new PacketCompassRequest( r.attunement, r.cx, r.cz, r.cdy ) );
+		}
+		catch (IOException e)
+		{
+			AELog.error( e );
+		}
+	}
+
+}