Shift board locations.

[naja.git] / naja / gameboard.py

diff --git a/naja/gameboard.py b/naja/gameboard.py
index dd0861ea0b4005cafa10e1282bee877208c7546e..7e8f27323aa54f4e9fa4a05e3b1dae6cbd82a96a 100644 (file)
--- a/naja/gameboard.py
+++ b/naja/gameboard.py
@@ -104,6 +104,49 @@ class GameBoard(object):
         location = LocationCard.new_location(choice(self.locations).copy())
         self.board_locations[position] = location
 
+    def shift_locations(self, direction):
+        px, py = self.player.position
+        shifted_locations = {}
+        # TODO: Make this less horrible. Also test it.
+        if BITS[direction] == BITS.NORTH:
+            for y in range(5):
+                if y == py:
+                    continue
+                new_y = y - 1
+                if new_y == py:
+                    new_y -= 1
+                new_y %= 5
+                shifted_locations[(px, new_y)] = self.board_locations[(px, y)]
+        elif BITS[direction] == BITS.SOUTH:
+            for y in range(5):
+                if y == py:
+                    continue
+                new_y = y + 1
+                if new_y == py:
+                    new_y += 1
+                new_y %= 5
+                shifted_locations[(px, new_y)] = self.board_locations[(px, y)]
+        elif BITS[direction] == BITS.EAST:
+            for x in range(5):
+                if x == px:
+                    continue
+                new_x = x + 1
+                if new_x == px:
+                    new_x += 1
+                new_x %= 5
+                shifted_locations[(new_x, py)] = self.board_locations[(x, py)]
+        elif BITS[direction] == BITS.WEST:
+            for x in range(5):
+                if x == px:
+                    continue
+                new_x = x - 1
+                if new_x == px:
+                    new_x -= 1
+                new_x %= 5
+                shifted_locations[(new_x, py)] = self.board_locations[(x, py)]
+
+        self.board_locations.update(shifted_locations)
+
     def change_mode(self, new_mode):
         """Advance to the next mode"""
         if new_mode == self.player_mode: