Reorganizes Project (#41)

Projects/Scripts/Engines/Pathing/PathAlgorithm.cs

@@ -0,0 +1,32 @@
+namespace Server.PathAlgorithms
+{
+  public abstract class PathAlgorithm
+  {
+    private static Direction[] m_CalcDirections = {
+      Direction.Up,
+      Direction.North,
+      Direction.Right,
+      Direction.West,
+      Direction.North,
+      Direction.East,
+      Direction.Left,
+      Direction.South,
+      Direction.Down
+    };
+
+    public abstract bool CheckCondition(Mobile m, Map map, Point3D start, Point3D goal);
+    public abstract Direction[] Find(Mobile m, Map map, Point3D start, Point3D goal);
+
+    public Direction GetDirection(int xSource, int ySource, int xDest, int yDest)
+    {
+      int x = xDest + 1 - xSource;
+      int y = yDest + 1 - ySource;
+      int v = y * 3 + x;
+
+      if (v < 0 || v >= 9)
+        return Direction.North;
+
+      return m_CalcDirections[v];
+    }
+  }
+}