def test_against_random(model):
'''
Evaluate the model against random performance
'''
wins = {0: 0, 1: 0, 2: 0}
for _ in range(1000):
game = TicTacToe(3)
pid = np.random.random_integers(low=1, high=2, size=1)[0]
winner = None
while winner is None:
board = game.get_board(pid)
if pid == 1:
x, y = random_choice(board)
else:
x, y = q_select(pid, board, model, game)
game.place(pid, x, y)
winner = game.check_win()
pid = (pid % 2) + 1
wins[winner] += 1
print('Wins: %d Ties: %d Losses: %d' % (wins[2], wins[0], wins[1]))
return (wins[2] / (wins[0] + wins[1] + wins[2]))
def do_ttt(self, inp):
""" /ttt <username> <x> <y> """
inp = inp.split(' ')
try:
clientname = inp.pop(0)
client = clients[clientname]
if not client:
self.send_msg("user not connected", [self])
return
x = int(inp.pop(0))
y = int(inp.pop(0))
if not ( 0 <= x <= 2 and 0 <= x <= 2):
self.send_msg("wrong position", [self])
return
except:
self.send_msg("wrong entry", [self])
# init game
if self.ttt is None or self.ttt[1] != client:
game = TicTacToe()
self.ttt = (game, client)
client.ttt = (game, self)
else:
game = self.ttt[0]
if game.play(x, y):
self.send_msg("\n" + game.__str__(), [client, self])
if game.winner is not None:
self.send_msg(f"{self.username} won", [client, self])
self.ttt = None
else:
self.send_msg(f"[TTT] do /ttt {self.username} <x> <y>", [client])
else:
self.send_msg(f"Invalid pos {x} {y} \n" + game.__str__(), [self])
def debug_run(model):
'''
Shows the board and value for each step in a game
'''
game = TicTacToe(3)
pid = np.random.random_integers(low=1, high=2, size=1)[0]
winner = None
while winner is None:
board = game.get_board(pid)
val = model.evaluate(game.get_input(pid))
print(board)
print(val)
x, y = q_select(pid, board, model, game)
game.place(pid, x, y)
winner = game.check_win()
pid = (pid % 2) + 1
print(
model.sess.run(model.probs,
feed_dict={model.states: game.get_input(pid)})[0])
def play_user(model):
'''
Test the model against human skill level
'''
game = TicTacToe(3)
pid = np.random.random_integers(low=1, high=2, size=1)[0]
winner = None
while winner is None:
board = game.get_board(pid)
print(board)
if pid == 2:
x, y, prob = evaluate(model, game, pid, tau=.1)
print(prob)
print(model.evaluate(game.get_input(pid)))
else:
x = int(input('x: '))
y = int(input('y: '))
game.place(pid, x, y)
winner = game.check_win()
pid = (pid % 2) + 1
print(game.get_input(1))
def chess_worker(connection, args):
while True:
game = TicTacToe()
rewards = []
pid = 1
boards = [copy.deepcopy(game)]
i = 0
while game.check_win() is None:
if random.random() > args.gamma:
connection.send({'type': 'board', 'boards': boards[-8:]})
move = connection.recv()
else:
move = random.choice(game.legal_moves)
game = game.push(move)
boards.append(copy.deepcopy(game))
pid = (pid % 2 + 1)
i += 1
res = game.check_win()
size = len(boards) - 1
if res != 0:
rewards = [1 if (i % 2) == 0 else 0 for i in range(size)]
rewards = rewards[::-1]
else:
rewards = [0] * (size)
rewards = np.expand_dims(np.array(rewards), 1)
in_boards, in_targets = build_input(boards, rewards, args.history)
connection.send({
'type': 'data',
'inp': in_boards,
'rewards': in_targets
})
connection.send({'type': 'end'})
def debug_run(model):
'''
Shows the board and value for each step in a game
'''
game = TicTacToe()
pid = np.random.random_integers(low=1, high=2, size=1)[0]
winner = None
while winner is None:
board = game.get_board(pid)
val = model.evaluate(board.reshape(1, 3, 3))
print(board)
print(val)
x, y = q_select(board, model)
game.place(pid, x, y)
winner = game.check_win()
pid = (pid % 2) + 1
def play_user(model):
'''
Test the model against human skill level
'''
game = TicTacToe()
pid = np.random.random_integers(low=1, high=2, size=1)[0]
winner = None
while winner is None:
board = game.get_board(pid)
val = model.evaluate(board.reshape(1, 3, 3))
print(board)
if pid == 2:
x, y = q_select(pid, board, model, game)
else:
x = int(input('x: '))
y = int(input('y: '))
game.place(pid, x, y)
winner = game.check_win()
pid = (pid % 2) + 1
def computer_move():
best_move, best_value = None, float("-inf")
for move in game.get_empty_cells():
game_t = dc(game)
game_t.act(move)
value = minimax(game_t, False)
if value > best_value:
best_value = value
best_move = move
game.act(best_move)
if __name__ == "__main__":
game = TicTacToe()
choice = input("Do you want to first (y/Y)? ")
go_first = choice == "y" or choice == "Y"
while not game.is_gameover():
if go_first:
if game.get_turn() == 1:
player_move()
else:
computer_move()
else:
if game.get_turn() == 1:
computer_move()
else:
player_move()
def __init__(self, board, last_turn):
self.board = [TicTacToe(grid) for grid in board]
self.winner = None # None as nobody won
self.last_turn = last_turn # None because nobody played before
self.previous_move = None # None on the start of the game
def ttt():
playerX = Player('X')
playerO = Player('O')
board = Board()
ttt = TicTacToe(board, playerX, playerO)
return ttt