create PathFinderRailing class to be based on PathFinderAStar algorithm

electrical/src/main/java/resonantinduction/electrical/itemrailing/PathfinderRailing.java

@@ -0,0 +1,40 @@
+package resonantinduction.electrical.itemrailing;
+
+import calclavia.lib.path.IPathCallBack;
+import calclavia.lib.path.Pathfinder;
+import calclavia.lib.path.PathfinderAStar;
+import universalelectricity.api.vector.Vector3;
+
+import java.util.Set;
+
+/**
+ * @since 20/03/14
+ * @author tgame14
+ */
+public class PathfinderRailing extends PathfinderAStar
+{
+    public PathfinderRailing (IPathCallBack callBack, Vector3 goal)
+    {
+        super(callBack, goal);
+    }
+
+
+
+    private static class PathCallBackRailing implements IPathCallBack
+    {
+
+        @Override
+        public Set<Vector3> getConnectedNodes (Pathfinder finder, Vector3 currentNode)
+        {
+            return null;
+        }
+
+        @Override
+        public boolean onSearch (Pathfinder finder, Vector3 start, Vector3 currentNode)
+        {
+            return false;
+        }
+    }
+
+
+}