level 4 walls, good laser still under development (algorithm discovered,

implementation next up)

robotgame/logic/direction.py

@@ -29,6 +29,10 @@ class Direction(object):
     def next_pos(pos):
         raise NotImplementedError
 
+    @staticmethod
+    def to_str():
+        raise NotImplementedError
+
     @staticmethod
     def from_sakse(p):
         return {(0, -1): Up,
@@ -42,24 +46,40 @@ class Up(Direction):
         x, y = pos
         return x, y - 1
 
+    @staticmethod
+    def to_str():
+        return 'up'
+
 class Right(Direction):
     @staticmethod
     def next_pos(pos):
         x, y = pos
         return x + 1, y
 
+    @staticmethod
+    def to_str():
+        return 'right'
+
 class Down(Direction):
     @staticmethod
     def next_pos(pos):
         x, y = pos
         return x, y + 1
 
+    @staticmethod
+    def to_str():
+        return 'down'
+
 class Left(Direction):
     @staticmethod
     def next_pos(pos):
         x, y = pos
         return x - 1, y
 
+    @staticmethod
+    def to_str():
+        return 'left'
+
 all_directions = (Up, Right, Down, Left)
 _sp = lambda n: lambda d: all_directions[(all_directions.index(d) + n) % 4]
 succ, pred = _sp(1), _sp(-1)