Added Sky Stone Tracking.

Added Meteorite Compass Block / Item.
Added Meteorite Spawner Debug Item.
Some Refactoring.

services/helpers/CompassReader.java

@@ -0,0 +1,56 @@
+package appeng.services.helpers;
+
+import java.io.File;
+import java.util.HashMap;
+
+import net.minecraft.world.World;
+
+public class CompassReader
+{
+
+	HashMap<Long, CompassRegion> regions = new HashMap();
+	final int id;
+	final File rootFolder;
+
+	public void close()
+	{
+		for (CompassRegion r : regions.values())
+			r.close();
+		regions.clear();
+	}
+
+	public CompassReader(World w, File rootFolder) {
+		id = w.provider.dimensionId;
+		this.rootFolder = rootFolder;
+	}
+
+	public void setHasBeacon(int cx, int cz, int cdy, boolean hasBeacon)
+	{
+		CompassRegion r = getRegion( cx, cz );
+		r.setHasBeacon( cx, cz, cdy, hasBeacon );
+	}
+
+	public boolean hasBeacon(int cx, int cz)
+	{
+		CompassRegion r = getRegion( cx, cz );
+		return r.hasBeacon( cx, cz );
+	}
+
+	private CompassRegion getRegion(int cx, int cz)
+	{
+		long pos = cx >> 10;
+		pos = pos << 32;
+		pos = pos | (cz >> 10);
+
+		CompassRegion cr = regions.get( pos );
+		if ( cr == null )
+		{
+			cr = new CompassRegion( cx, cz, id, rootFolder );
+			regions.put( pos, cr );
+		}
+
+		return cr;
+
+	}
+
+}