def _has_crossed_board(self, player):
if Player.x == player:
for col in COLS:
if self.board.get(Point(1, col)) == Player.x:
return True
else:
for col in COLS:
if self.board.get(Point(3, col)) == Player.o:
return True
return False
def __setboard__(self):
white_pawns = []
black_pawns = []
for col in range(1, self.num_cols + 1):
white_pawns.append(
Pawn(name='White ' + str(col),
color=Player.white,
position=Point(1, col)))
black_pawns.append(
Pawn(name='Black ' + str(col),
color=Player.black,
position=Point(self.num_rows, col)))
self._pawns[Player.white] = white_pawns
self._pawns[Player.black] = black_pawns
def print_board(board):
print(' A B C')
for row in (1, 2, 3):
pieces = []
for col in (1, 2, 3):
piece = board.get(Point(row, col))
if piece == Player.x:
pieces.append('X')
elif piece == Player.o:
pieces.append('O')
else:
pieces.append(' ')
print('%d %s' % (row, ' | '.join(pieces)))
def __init__(self):
self._grid = {}
self._grid[Point(1, 1)] = Player.o
self._grid[Point(1, 2)] = Player.o
self._grid[Point(1, 3)] = Player.o
self._grid[Point(3, 1)] = Player.x
self._grid[Point(3, 2)] = Player.x
self._grid[Point(3, 3)] = Player.x
def __setboard_preconfig__(self):
white_pawns = []
black_pawns = []
white_pawns.append(
Pawn(name='White ' + str(1),
color=Player.white,
position=Point(1, 1)))
white_pawns.append(
Pawn(name='White ' + str(2),
color=Player.white,
position=Point(1, 2)))
black_pawns.append(
Pawn(name='Black ' + str(2),
color=Player.black,
position=Point(self.num_rows, 2)))
black_pawns.append(
Pawn(name='Black ' + str(1),
color=Player.black,
position=Point(self.num_rows, 1)))
self._pawns[Player.white] = white_pawns
self._pawns[Player.black] = black_pawns
def is_over(self):
if self._has_crossed_board(Player.x):
return True
if self._has_crossed_board(Player.o):
return True
for row in ROWS:
for col in COLS:
if self.next_player == Player.o and self.board.get(
Point(row, col)) == Player.o:
if self.board.get(Point(row+1, col)) is None \
or self.board.get(Point(row+1, col+1)) == Player.x \
or self.board.get(Point(row+1, col-1)) == Player.x:
return False
if self.next_player == Player.x and self.board.get(
Point(row, col)) == Player.x:
if self.board.get(Point(row - 1, col)) is None \
or self.board.get(Point(row - 1, col + 1)) == Player.o \
or self.board.get(Point(row - 1, col - 1)) == Player.o:
return False
return True
def point_from_coords(text):
col_name_a = text[0]
row_a = int(text[1])
col_name_b = text[2]
row_b = int(text[3])
return Point(row_a, COL_NAMES.index(col_name_a) + 1), Point(row_b, COL_NAMES.index(col_name_b) + 1)
def legal_moves(self):
self.debug('legal_moves')
moves = []
for row in ROWS:
for col in COLS:
if self.board.get(Point(row, col)) == Player.o:
move = Move(Point(row, col), Point(row + 1, col))
if self.is_valid_move(move):
self.debug('bot - append move.point_b=' +
str(move.point_b))
moves.append(move)
move = Move(Point(row, col), Point(row + 1, col - 1))
if self.is_valid_move(move):
self.debug('bot - append move.point_b=' +
str(move.point_b))
moves.append(move)
move = Move(Point(row, col), Point(row + 1, col + 1))
if self.is_valid_move(move):
self.debug('bot - append move.point_b=' +
str(move.point_b))
moves.append(move)
else:
move = Move(Point(row, col), Point(row - 1, col))
if self.is_valid_move(move):
self.debug('human - append move.point_b=' +
str(move.point_b))
moves.append(move)
move = Move(Point(row, col), Point(row - 1, col - 1))
if self.is_valid_move(move):
self.debug('human - append move.point_b=' +
str(move.point_b))
moves.append(move)
move = Move(Point(row, col), Point(row - 1, col + 1))
if self.is_valid_move(move):
self.debug('human - append move.point_b=' +
str(move.point_b))
moves.append(move)
self.debug(f'len(moves)={len(moves)}')
return moves
__all__ = [
'Board',
'GameState',
'Move',
]
class IllegalMoveError(Exception):
pass
BOARD_SIZE = 3
ROWS = tuple(range(1, BOARD_SIZE + 1))
COLS = tuple(range(1, BOARD_SIZE + 1))
# Top left to lower right diagonal
DIAG_1 = (Point(1, 1), Point(2, 2), Point(3, 3))
# Top right to lower left diagonal
DIAG_2 = (Point(1, 3), Point(2, 2), Point(3, 1))
class Board:
def __init__(self):
self._grid = {}
self._grid[Point(1, 1)] = Player.o
self._grid[Point(1, 2)] = Player.o
self._grid[Point(1, 3)] = Player.o
self._grid[Point(3, 1)] = Player.x
self._grid[Point(3, 2)] = Player.x
self._grid[Point(3, 3)] = Player.x
def place(self, player, point_a, point_b):