def __init__(self, game_state: GameState, move: int, parent):
self.game_state = game_state
self.move = move
self.parent = parent
self.is_expanded = False
self.is_terminal = game_state.get_result() is not None
self.children = DictWithDefault(lambda move: UCTNode(
self.game_state.play(move), move, parent=self))
self.child_priors = np.zeros(
game_state.get_actions_size(), dtype=np.float32)
self.child_total_value = np.zeros(
game_state.get_actions_size(), dtype=np.float32)
self.child_number_visits = np.zeros(
game_state.get_actions_size(), dtype=np.int32)
self.child_player_changed = np.ones(
game_state.get_actions_size(), dtype=np.int32)
if tree_stats_enabled:
self.deepness = parent.deepness + 1
