def _simulate(self, node: GameState):
"Returns the reward for a random simulation (to completion) of `node`"
invert_reward = True
while True:
if node.terminal():
reward = node.reward()
return 1 - reward if invert_reward else reward
node = node.push(node.random_move())
invert_reward = not invert_reward
def play(self, game: GameState, verbose=False):
if self.alternate:
temp = self.actionModel1
self.actionModel1 = self.actionModel2
self.actionModel2 = temp
states = []
hs = []
if verbose:
print(game)
while not game.game_over():
actingModel = self.actionModel1 if game.turn() else self.actionModel2
move, h = actingModel.action(game)
states.append(game.__copy__())
hs.append(h)
game.push(move)
if verbose:
print("move: " + str(move) + " h: " + str(h))
print(game)
return game.winner(), states, hs
