def get_attacking_squares(self, player=None):
if not player:
player = self.current_player
pieces = self.get_pieces(player)
attacking_squares = set()
for piece_position in pieces:
x, y = piece_position
if self.board[x][y].type == "p":
direction = -1 if self.board[x][y].color == "W" else +1
if self.within_boundaries(x + direction, y - 1):
attacking_squares.add((x + direction, y - 1))
if self.within_boundaries(x + direction, y + 1):
attacking_squares.add((x + direction, y + 1))
else:
attacking_squares.update(Piece.attack(self, piece_position))
return attacking_squares
