def actual_idx_move(self, move_idx):
'''
commits a move in tensor notation
in both actual_game and rollout_game
'''
move_fen = tn.tensor_indices_to_move(move_idx)
self._actual_move(move_fen)
def idx_move(self, move_idx):
'''
make a move in index notation in rollout game
:param tuple: tuple with three np.arrays of
shape (1,) denoting the index of a move in
move tensor notation
'''
move_fen = tn.tensor_indices_to_move(move_idx)
try:
self.rollout_game.make_move(move_fen)
except:
raise ValueError(f"rollout: move {move_fen} \
not possible in position \
{self.rollout_game.board.fen()}")
return tn.fen_to_tensor(self.rollout_game.board.fen())
def get_new_position(self, old_pos, move_idx):
"""
get new position from an
old position and a move
selected in old position
"""
old_fen = tn.tensor_to_fen(old_pos)
self.rollout_game.board = chess.variant.RacingKingsBoard(old_fen)
move_fen = tn.tensor_indices_to_move(move_idx)
try:
self.rollout_game.make_move(move_fen)
except:
raise ValueError(f"move {move_fen} \
not possible in position {old_fen}")
new_fen = self.rollout_game.board.fen()
return tn.fen_to_tensor(new_fen)
def move_index_to_fen(self, move_idx):
'''
translate move index to uci notation
:return str: move in uci notation
'''
return tn.tensor_indices_to_move(move_idx)