def _move_str(self, move):
to_sq = cshogi.move_to(move)
move_to = KIFU_TO_SQUARE_NAMES[to_sq]
if self.prev_move:
if cshogi.move_to(self.prev_move) == to_sq:
move_to = "同 "
if not cshogi.move_is_drop(move):
from_sq = cshogi.move_from(move)
move_piece = cshogi.PIECE_JAPANESE_SYMBOLS[cshogi.move_from_piece_type(move)]
if cshogi.move_is_promotion(move):
return '{}{}成({})'.format(
move_to,
move_piece,
KIFU_FROM_SQUARE_NAMES[from_sq],
)
else:
return '{}{}({})'.format(
move_to,
move_piece,
KIFU_FROM_SQUARE_NAMES[from_sq],
)
else:
move_piece = cshogi.HAND_PIECE_JAPANESE_SYMBOLS[cshogi.move_drop_hand_piece(move)]
return '{}{}打'.format(
move_to,
move_piece
)
def move_to_san(move):
move_to = PGN_SQUARE_NAMES[cshogi.move_to(move)]
if cshogi.move_is_drop(move):
return PGN_HAND_PIECES[cshogi.move_drop_hand_piece(
move)] + '@' + move_to
move_from = PGN_SQUARE_NAMES[cshogi.move_from(move)]
promotion = '+' if cshogi.move_is_promotion(move) else ''
return PGN_PIECE_TYPES[cshogi.move_from_piece_type(
move)] + move_from + move_to + promotion
def get_move_label(move, color):
if not move_is_drop(move):
from_sq = move_from(move)
to_sq = move_to(move)
if color == cshogi.WHITE:
to_sq = 80 - to_sq
from_sq = 80 - from_sq
# file: 筋, rank: 段
from_file, from_rank = divmod(from_sq, 9)
to_file, to_rank = divmod(to_sq, 9)
dir_file = to_file - from_file
dir_rank = to_rank - from_rank
if dir_rank < 0 and dir_file == 0:
move_direction = UP
elif dir_rank == -2 and dir_file == -1:
move_direction = UP2_RIGHT
elif dir_rank == -2 and dir_file == 1:
move_direction = UP2_LEFT
elif dir_rank < 0 and dir_file < 0:
move_direction = UP_RIGHT
elif dir_rank < 0 and dir_file > 0:
move_direction = UP_LEFT
elif dir_rank == 0 and dir_file < 0:
move_direction = RIGHT
elif dir_rank == 0 and dir_file > 0:
move_direction = LEFT
elif dir_rank > 0 and dir_file == 0:
move_direction = DOWN
elif dir_rank > 0 and dir_file < 0:
move_direction = DOWN_RIGHT
elif dir_rank > 0 and dir_file > 0:
move_direction = DOWN_LEFT
else:
raise RuntimeError
# promote
if move_is_promotion(move):
move_direction = MOVE_DIRECTION_PROMOTED[move_direction]
else:
# 持ち駒
move_direction = len(MOVE_DIRECTION) + move_drop_hand_piece(move) - 1
to_sq = move_to(move)
if color == cshogi.WHITE:
to_sq = 80 - to_sq
# labelのmaxは27*81-1=2186
move_label = move_direction * 81 + to_sq
return move_label