class BasePlayer(Player):
""" Abstract player backed by a simple board """
def __init__(self, viewer):
self.viewer = viewer
self.board = Board()
self.play_both_sides = False
def play(self, other_x, other_y) -> tuple:
assert self.board.round < 5 * 5 * 5
if not self.play_both_sides:
if other_x is not None and other_y is not None:
if other_x == -1 and other_y == -1:
self.board.undo()
else:
self.board.move(other_x, other_y)
(x, y) = self.do_play()
if x == -1 and y == -1:
self.board.undo()
else:
self.board.move(x, y)
return x, y
def do_select(self, x, y):
self.viewer.player_selects(x, y)
def do_play(self) -> tuple:
raise NotImplementedError
def close(self):
pass
def test_alternating_players():
board = Board()
assert board.field(0, 0, 0) == EMPTY
assert board.field(1, 1, 0) == EMPTY
board.move(0, 0)
assert board.field(0, 0, 0) == RED
assert board.field(1, 1, 0) == EMPTY
board.move(1, 1)
assert board.field(0, 0, 0) == RED
assert board.field(1, 1, 0) == BLUE
assert board.round == 2
def play(self) -> int:
board = Board()
last_x = None
last_y = None
while board.round <= MAX_ROUND:
current_color = board.next_color
(x, y) = self.players[current_color].play(last_x, last_y)
if x == -1 and y == -1:
self.viewer.player_undoes()
board.undo()
(last_x, last_y) = (-1, -1)
else:
if 0 > x > 4 or 0 > y > 4:
raise RuleViolation("out of bounds move")
if board.field(x, y, 4) != EMPTY:
raise RuleViolation("already full at {},{}".format(x, y))
is_winning = board.move(x, y)
LOG.debug("player {} plays to {},{}".format(
current_color, x, y))
self.viewer.player_plays(x, y)
if is_winning:
LOG.debug("player {} wins!".format(current_color))
self.viewer.finish(board.winning_coords())
return current_color
(last_x, last_y) = (x, y)
LOG.debug("game ended in a draw")
self.viewer.finish([])
return EMPTY
class BoardViewer:
def __init__(self):
self.board = Board()
def player_plays(self, x, y):
self.board.move(x, y)
def player_selects(self, x, y):
pass
def player_undoes(self):
self.board.undo()
def finish(self, winning_coords):
pass
def close(self):
pass
def test_tostr():
board = Board()
board.move(0, 0)
board.move(0, 0)
board.move(0, 0)
board.move(1, 0)
board.move(3, 3)
print("\n")
print(board)
def test_win_forward2():
board = Board()
for i in range(3, 0, -1):
assert not board.move(i, 3-i)
assert not board.move(i, 3-i)
assert board.move(0, 3)
def test_win_backward2():
board = Board()
for i in range(3):
assert not board.move(i, 3-i)
assert not board.move(i, 3-i)
assert board.move(3, 0)