def decide_discard(self) -> Tile:
# discard the orphan tile
start = time()
tile = self.decide_discard_by_loneliest_orphan()
duration = time() - start
self.record_strategies_time('decide_discard_by_loneliest_orphan',
duration)
if tile:
self.record_strategies('decide_discard_by_loneliest_orphan')
return tile
# check for ready chance
test = self._concealed[:-1]
is_ready = Rule.is_ready(test)
if not is_ready:
start = time()
tile = self.decide_discard_by_remove_melds()
duration = time() - start
self.record_strategies_time('decide_discard_by_remove_melds',
duration)
if tile:
self.record_strategies('decide_discard_by_remove_melds')
return tile
if is_ready:
start = time()
tile = self.decide_discard_by_is_ready()
duration = time() - start
self.record_strategies_time('decide_discard_by_is_ready', duration)
if tile:
self.record_strategies('decide_discard_by_is_ready')
return tile
# finally, decide by random
start = time()
tile = self.decide_discard_random()
duration = time() - start
self.record_strategies_time('decide_discard_random', duration)
self.record_strategies('decide_discard_random')
return tile
def decide_discard(self, players_count: int = 4, wall: list = []) -> Tile:
start = time()
if len(self._concealed) <= 5:
tiles = self.decide_discard_by_value(wall=None,
players_count=players_count,
deep=2)
duration = time() - start
self.record_strategies_time('decide_discard_by_value_2_last',
duration)
self.record_strategies('decide_discard_by_value_2_last')
if tiles:
return choice(tiles)
# discard the orphan tile
# check for ready chance
# discard the orphan tile
start = time()
test = self._concealed[:-1]
is_ready = Rule.is_ready(test)
if is_ready:
tile = self.decide_discard_by_loneliest_orphan(
keep_one_orphan=True)
else:
tile = self.decide_discard_by_loneliest_orphan(
keep_one_orphan=False)
duration = time() - start
self.record_strategies('decide_discard_by_loneliest_orphan')
self.record_strategies_time('decide_discard_by_loneliest_orphan',
duration)
if tile:
return tile
start = time()
tiles = self.decide_discard_by_value(wall=wall,
players_count=players_count,
deep=1)
duration = time() - start
self.record_strategies_time('decide_discard_by_value_1', duration)
self.record_strategies('decide_discard_by_value_1')
if tiles:
return choice(tiles)
start = time()
tiles = self.decide_discard_by_left_meld_and_eye()
duration = time() - start
self.record_strategies_time('decide_discard_by_left_meld_and_eye',
duration)
self.record_strategies('decide_discard_by_left_meld_and_eye')
if tiles:
return choice(tiles)
start = time()
arr = Rule.convert_tiles_to_arr(self.concealed)
combins = MjMath.get_best_meld_combins_from_arr(arr)
if combins and len(combins) > 0 and len(combins[0]) > 3:
tiles = self.decide_discard_by_value(wall=None,
players_count=players_count,
deep=2)
duration = time() - start
self.record_strategies_time('decide_discard_by_value_2', duration)
self.record_strategies('decide_discard_by_value_2')
if tiles:
return choice(tiles)
# finally, decide by random
start = time()
tile = self.decide_discard_random()
duration = time() - start
self.record_strategies_time('decide_discard_random', duration)
self.record_strategies('decide_discard_random')
return tile