Only move if the flags allow.

[naja.git] / naja / player.py

diff --git a/naja/player.py b/naja/player.py
index fa6e1e9f3b3edd39a7a20a109135c39ee1f9cd36..83c41242accbc9da98a955dfeecafa40761dd351 100644 (file)
--- a/naja/player.py
+++ b/naja/player.py
@@ -75,19 +75,19 @@ class Player(object):
         # TODO: Something cleaner than this.
         x, y = self.position
         if direction == BITS.NORTH:
-            if y > 0:
+            if y > 0 and self.bits.check_bit(BITS.NORTH):
                 self.position = (x, y - 1)
                 return True
         elif direction == BITS.SOUTH:
-            if y < 4:
+            if y < 4 and self.bits.check_bit(BITS.SOUTH):
                 self.position = (x, y + 1)
                 return True
         elif direction == BITS.EAST:
-            if x < 4:
+            if x < 4 and self.bits.check_bit(BITS.EAST):
                 self.position = (x + 1, y)
                 return True
         elif direction == BITS.WEST:
-            if x > 0:
+            if x > 0 and self.bits.check_bit(BITS.WEST):
                 self.position = (x - 1, y)
                 return True