def play_random(board, moving_plr, num_moves):
"""Take board, and play a random game for # moves"""
import helpers, random
for i in range(num_moves):
if moving_plr is None:
return board, None
move = random.choice(helpers.legal_moves(board, moving_plr))
helpers.make_move(board, moving_plr, move)
moving_plr = helpers.next_player(board, moving_plr)
return board, moving_plr
def run_game(weights):
"""Run a game of the current AI vs the old AI"""
import helpers, random, heuristics
helpers.SQUARE_WEIGHTS = weights
black_moves = []
white_moves = []
black_ai = duv_ai_wrapper
white_ai = djones_ai_wrapper
# keep track of whether or not we switched the starting order
black_ai_type = 'training'
if random.random() < 0.5:
black_ai, white_ai = white_ai, black_ai
black_ai_type = 'nottraining'
board = array.array('B', [helpers.EMPTY] * 64)
board[0o33] = helpers.BLACK
board[0o44] = helpers.BLACK
board[0o34] = helpers.WHITE
board[0o43] = helpers.WHITE
player = helpers.BLACK
PLR2AI = {helpers.BLACK: black_ai, helpers.WHITE: white_ai}
player = play_random(board, player, 8)[1]
while player is not None:
# depth of 2, we want this to be FAST
move = PLR2AI[player](board, player, 2)
if move not in helpers.legal_moves(board, player):
raise RuntimeError(
f"Illegal move for {helpers.PLAYERS[player]}: {move}")
if player == BLACK:
black_moves.append(move)
else:
white_moves.append(move)
helpers.make_move(board, player, move)
player = helpers.next_player(board, player)
# print_board(board)
# print()
if black_ai_type == 'training':
didWin = heuristics.count_colors(board, BLACK) > 0
else:
didWin = heuristics.count_colors(board, WHITE) > 0
if heuristics.count_colors(board, BLACK) > 0:
return black_moves, white_moves, heuristics.count_colors(board,
BLACK), didWin
elif heuristics.count_colors(board, WHITE) > 0:
return white_moves, black_moves, heuristics.count_colors(board,
WHITE), didWin
else: # it was a tie
return [], [], 0, False
func = cfunc_caller.generate_function(code, ctypes.c_int, ctypes.c_char_p,
ctypes.c_char, ctypes.c_char_p)
board = helpers.from_tournament_format(
list(
'???????????........??........??........??...o@...??...@o...??........??........??........???????????'
))
board = helpers.from_tournament_format(
list(
'???????????@@@@@oo@??@@@@@@@@??@@o@o@@@??@@@o@@o@??o@@@@@o@??o@@@ooo@??o@@@@oo@??..@@@@@@???????????'
))
SQUARE_WEIGHTS = [
120, -20, 20, 5, 5, 20, -20, 120, -20, -40, -5, -5, -5, -5, -40, -20, 20,
-5, 15, 3, 3, 15, -5, 20, 5, -5, 3, 3, 3, 3, -5, 5, 5, -5, 3, 3, 3, 3, -5,
5, 20, -5, 15, 3, 3, 15, -5, 20, -20, -40, -5, -5, -5, -5, -40, -20, 120,
-20, 20, 5, 5, 20, -20, 120
]
buf = array.array('b', SQUARE_WEIGHTS)
def array_pointer(arr):
return ctypes.cast(arr.buffer_info()[0], ctypes.c_char_p)
print("Function result: " +
str(func(array_pointer(board), 1, array_pointer(buf))))
print("Arr: " + str(board))
print("Buf: " + str(buf))
print("Legal moves: " + str(helpers.legal_moves(board, 1)))