def get_next_pair(engine: SimpleEngine, node: ChildNode,
winner: Color) -> Optional[NextMovePair]:
pair = get_next_move_pair(engine, node, winner, pair_limit)
if node.board().turn == winner and not is_valid_attack(pair, engine):
logger.debug("No valid attack {}".format(pair))
return None
return pair
def get_next_move(engine: SimpleEngine, node: GameNode, winner: Color) -> Optional[NextMovePair]:
board = node.board()
pair = get_next_move_pair(engine, node, winner, get_move_limit)
logger.debug("{} {} {}".format("attack" if board.turn == winner else "defense", pair.best, pair.second))
if board.turn == winner and not is_valid_attack(pair):
logger.debug("No valid attack {}".format(pair))
return None
if board.turn != winner and not is_valid_defense(pair):
logger.debug("No valid defense {}".format(pair))
return None
return pair