Lections/gym-tic-tac-toe
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Typo in win check

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Nicolai Czempin 2017-04-04 18:04:18 +02:00
parent a209d02d8b
commit acd515bc9a
1 changed files with 13 additions and 12 deletions
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11
gym_tic_tac_toe/envs/tic_tac_toe_env.py
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@ -16,9 +16,9 @@ class TicTacToeEnv(gym.Env):
# p = p*2 - 1 # p = p*2 - 1
# check move legality # check move legality
proposed = self.state['board'][square] board = self.state['board']
proposed = board[square]
om = self.state['on_move'] om = self.state['on_move']
print ("on move: ", om)
if (proposed != 0): # wrong player, not empty if (proposed != 0): # wrong player, not empty
print("illegal move ", action, ". (square occupied): ", square) print("illegal move ", action, ". (square occupied): ", square)
done = True done = True
@ -28,16 +28,17 @@ class TicTacToeEnv(gym.Env):
done = True done = True
reward = -2 * om # player who did NOT make the illegal move reward = -2 * om # player who did NOT make the illegal move
else: else:
self.state['board'][square] = p board[square] = p
self.state['on_move'] = -p self.state['on_move'] = -p
# check game over # check game over
for i in range(3): for i in range(3):
if (self.state['board'][i * 3] == p and self.state['board'][i*3 + 1] == p and self.state['board'][i*3+2] == 2): # horizontals and verticals
if ((board[i * 3] == p and board[i * 3 + 1] == p and board[i * 3 + 2 ] == p)
or (board[i + 0] == p and board[i + 3] == p and board[i + 6] == p)):
reward = p reward = p
done = True done = True
break break
#TODO other cases
return np.array(self.state), reward, done, {} return np.array(self.state), reward, done, {}
def _reset(self): def _reset(self):