+
+ # Pushes a move temporarily
+ def push_move(self, piece, x, y):
+ target = self.grid[x][y]
+ self.move_stack.append([piece, target, piece.x, piece.y, x, y])
+ [piece.x, piece.y] = [x, y]
+ self.grid[x][y] = piece
+ self.grid[piece.x][piece.y] = None
+
+ for p in self.pieces["white"] + self.pieces["black"]:
+ p.possible_moves = None
+
+ # Restore move
+ def pop_move(self):
+ #print str(self.move_stack)
+ [piece, target, x1, y1, x2, y2] = self.move_stack[len(self.move_stack)-1]
+ self.move_stack = self.move_stack[:-1]
+ piece.x = x1
+ piece.y = y1
+ self.grid[x1][y1] = piece
+ if target != None:
+ target.x = x2
+ target.y = y2
+ self.grid[x2][y2] = target
+
+ for p in self.pieces["white"] + self.pieces["black"]:
+ p.possible_moves = None
+