def get_possible_meld(self, tile, is_kamicha_discard):
closed_hand = self.player.closed_hand[:]
# we can't open hand anymore
if len(closed_hand) == 1:
return None, None
discarded_tile = tile // 4
closed_hand_34 = TilesConverter.to_34_array(closed_hand + [tile])
combinations = []
first_index = 0
second_index = 0
if is_man(discarded_tile):
first_index = 0
second_index = 8
elif is_pin(discarded_tile):
first_index = 9
second_index = 17
elif is_sou(discarded_tile):
first_index = 18
second_index = 26
if second_index == 0:
# honor tiles
if closed_hand_34[discarded_tile] == 3:
combinations = [[[discarded_tile] * 3]]
else:
# to avoid not necessary calculations
# we can check only tiles around +-2 discarded tile
first_limit = discarded_tile - 2
if first_limit < first_index:
first_limit = first_index
second_limit = discarded_tile + 2
if second_limit > second_index:
second_limit = second_index
combinations = self.hand_divider.find_valid_combinations(
closed_hand_34, first_limit, second_limit, True)
if combinations:
combinations = combinations[0]
# possible_melds = []
melds_chi, melds_pon = [], []
for best_meld_34 in combinations:
# we can call pon from everyone
if is_pon(best_meld_34) and discarded_tile in best_meld_34:
if best_meld_34 not in melds_pon:
melds_pon.append(best_meld_34)
# we can call chi only from left player
if is_chi(
best_meld_34
) and is_kamicha_discard and discarded_tile in best_meld_34:
if best_meld_34 not in melds_chi:
melds_chi.append(best_meld_34)
return melds_chi, melds_pon
def is_condition_met(self, hand, win_tile, melds, is_tsumo):
"""
Three closed pon sets, the other sets need not to be closed
:param hand: list of hand's sets
:param win_tile: 136 tiles format
:param melds: list Meld objects
:param is_tsumo:
:return: true|false
"""
win_tile //= 4
open_sets = [x.tiles_34 for x in melds if x.opened]
chi_sets = [x for x in hand if (is_chi(x) and win_tile in x and x not in open_sets)]
pon_sets = [x for x in hand if is_pon(x)]
closed_pon_sets = []
for item in pon_sets:
if item in open_sets:
continue
# if we do the ron on syanpon wait our pon will be consider as open
# and it is not 789999 set
if win_tile in item and not is_tsumo and not len(chi_sets):
continue
closed_pon_sets.append(item)
return len(closed_pon_sets) == 3
def is_sanshoku(self, hand):
"""
The same chi in three suits
:param hand: list of hand's sets
:return: true|false
"""
chi_sets = [i for i in hand if is_chi(i)]
if len(chi_sets) < 3:
return False
sou_chi = []
pin_chi = []
man_chi = []
for item in chi_sets:
if is_sou(item[0]):
sou_chi.append(item)
elif is_pin(item[0]):
pin_chi.append(item)
elif is_man(item[0]):
man_chi.append(item)
for sou_item in sou_chi:
for pin_item in pin_chi:
for man_item in man_chi:
# cast tile indices to 0..8 representation
sou_item = [simplify(x) for x in sou_item]
pin_item = [simplify(x) for x in pin_item]
man_item = [simplify(x) for x in man_item]
if sou_item == pin_item == man_item:
return True
return False
def is_junchan(self, hand):
"""
Every set must have at least one terminal, and the pair must be of
a terminal tile. Must contain at least one sequence (123 or 789).
:param hand: list of hand's sets
:return: true|false
"""
def tile_in_indices(item_set, indices_array):
for x in item_set:
if x in indices_array:
return True
return False
terminal_sets = 0
count_of_chi = 0
for item in hand:
if is_chi(item):
count_of_chi += 1
if tile_in_indices(item, TERMINAL_INDICES):
terminal_sets += 1
if count_of_chi == 0:
return False
return terminal_sets == 5
def is_condition_met(self, hand, *args):
chi_sets = [i for i in hand if is_chi(i)]
if len(chi_sets) < 3:
return False
sou_chi = []
pin_chi = []
man_chi = []
for item in chi_sets:
if is_sou(item[0]):
sou_chi.append(item)
elif is_pin(item[0]):
pin_chi.append(item)
elif is_man(item[0]):
man_chi.append(item)
for sou_item in sou_chi:
for pin_item in pin_chi:
for man_item in man_chi:
# cast tile indices to 0..8 representation
sou_item = [simplify(x) for x in sou_item]
pin_item = [simplify(x) for x in pin_item]
man_item = [simplify(x) for x in man_item]
if sou_item == pin_item == man_item:
return True
return False
def is_condition_met(self, hand, *args):
chi_sets = [i for i in hand if is_chi(i)]
if len(chi_sets) < 3:
return False
sou_chi = []
pin_chi = []
man_chi = []
for item in chi_sets:
if is_sou(item[0]):
sou_chi.append(item)
elif is_pin(item[0]):
pin_chi.append(item)
elif is_man(item[0]):
man_chi.append(item)
sets = [sou_chi, pin_chi, man_chi]
for suit_item in sets:
if len(suit_item) < 3:
continue
casted_sets = []
for set_item in suit_item:
# cast tiles indices to 0..8 representation
casted_sets.append([simplify(set_item[0]),
simplify(set_item[1]),
simplify(set_item[2])])
if [0, 1, 2] in casted_sets and [3, 4, 5] in casted_sets and [6, 7, 8] in casted_sets:
return True
return False
def is_valid_combination(possible_set):
if is_chi(possible_set):
return True
if is_pon(possible_set):
return True
return False
def is_condition_met(self, hand, *args):
chi_sets = [i for i in hand if is_chi(i)]
count_of_identical_chi = []
for x in chi_sets:
count = 0
for y in chi_sets:
if x == y:
count += 1
count_of_identical_chi.append(count)
return len([x for x in count_of_identical_chi if x >= 2]) == 4
def is_condition_met(self, hand, *args):
chi_sets = [i for i in hand if is_chi(i)]
count_of_identical_chi = 0
for x in chi_sets:
count = 0
for y in chi_sets:
if x == y:
count += 1
if count > count_of_identical_chi:
count_of_identical_chi = count
return count_of_identical_chi >= 2
def _find_best_meld_to_open(self, possible_melds, new_tiles, closed_hand,
discarded_tile):
discarded_tile_34 = discarded_tile // 4
final_results = []
for meld_34 in possible_melds:
meld_34_copy = meld_34.copy()
closed_hand_copy = closed_hand.copy()
meld_type = is_chi(meld_34_copy) and Meld.CHI or Meld.PON
meld_34_copy.remove(discarded_tile_34)
first_tile = TilesConverter.find_34_tile_in_136_array(
meld_34_copy[0], closed_hand_copy)
closed_hand_copy.remove(first_tile)
second_tile = TilesConverter.find_34_tile_in_136_array(
meld_34_copy[1], closed_hand_copy)
closed_hand_copy.remove(second_tile)
tiles = [first_tile, second_tile, discarded_tile]
meld = Meld()
meld.type = meld_type
meld.tiles = sorted(tiles)
melds = self.player.melds + [meld]
selected_tile = self.player.ai.hand_builder.choose_tile_to_discard(
new_tiles, closed_hand_copy, melds, print_log=False)
final_results.append({
'discard_tile':
selected_tile,
'meld_print':
TilesConverter.to_one_line_string(
[meld_34[0] * 4, meld_34[1] * 4, meld_34[2] * 4]),
'meld':
meld
})
final_results = sorted(final_results,
key=lambda x:
(x['discard_tile'].shanten, -x['discard_tile'].
ukeire, x['discard_tile'].valuation))
DecisionsLogger.debug(log.MELD_PREPARE,
'Options with meld calling',
context=final_results)
return final_results[0]
def _find_best_meld_to_open(self, possible_melds, new_tiles, closed_hand, discarded_tile):
discarded_tile_34 = discarded_tile // 4
final_results = []
for meld_34 in possible_melds:
meld_34_copy = meld_34.copy()
closed_hand_copy = closed_hand.copy()
meld_type = is_chi(meld_34_copy) and Meld.CHI or Meld.PON
meld_34_copy.remove(discarded_tile_34)
first_tile = TilesConverter.find_34_tile_in_136_array(meld_34_copy[0], closed_hand_copy)
closed_hand_copy.remove(first_tile)
second_tile = TilesConverter.find_34_tile_in_136_array(meld_34_copy[1], closed_hand_copy)
closed_hand_copy.remove(second_tile)
tiles = [
first_tile,
second_tile,
discarded_tile
]
meld = Meld()
meld.type = meld_type
meld.tiles = sorted(tiles)
melds = self.player.melds + [meld]
selected_tile = self.player.ai.hand_builder.choose_tile_to_discard(
new_tiles,
closed_hand_copy,
melds,
print_log=False
)
final_results.append({
'discard_tile': selected_tile,
'meld_print': TilesConverter.to_one_line_string([meld_34[0] * 4, meld_34[1] * 4, meld_34[2] * 4]),
'meld': meld
})
final_results = sorted(final_results, key=lambda x: (x['discard_tile'].shanten,
-x['discard_tile'].ukeire,
x['discard_tile'].valuation))
DecisionsLogger.debug(log.MELD_PREPARE, 'Options with meld calling', context=final_results)
return final_results[0]
def is_ryanpeiko(self, hand):
"""
The hand contains two different Iipeikou’s
:param hand: list of hand's sets
:return: true|false
"""
chi_sets = [i for i in hand if is_chi(i)]
count_of_identical_chi = []
for x in chi_sets:
count = 0
for y in chi_sets:
if x == y:
count += 1
count_of_identical_chi.append(count)
return len([x for x in count_of_identical_chi if x >= 2]) == 4
def is_iipeiko(self, hand):
"""
Hand with two identical chi
:param hand: list of hand's sets
:return: true|false
"""
chi_sets = [i for i in hand if is_chi(i)]
count_of_identical_chi = 0
for x in chi_sets:
count = 0
for y in chi_sets:
if x == y:
count += 1
if count > count_of_identical_chi:
count_of_identical_chi = count
return count_of_identical_chi >= 2
def is_ittsu(self, hand):
"""
Three sets of same suit: 1-2-3, 4-5-6, 7-8-9
:param hand: list of hand's sets
:return: true|false
"""
chi_sets = [i for i in hand if is_chi(i)]
if len(chi_sets) < 3:
return False
sou_chi = []
pin_chi = []
man_chi = []
for item in chi_sets:
if is_sou(item[0]):
sou_chi.append(item)
elif is_pin(item[0]):
pin_chi.append(item)
elif is_man(item[0]):
man_chi.append(item)
sets = [sou_chi, pin_chi, man_chi]
for suit_item in sets:
if len(suit_item) < 3:
continue
casted_sets = []
for set_item in suit_item:
# cast tiles indices to 0..8 representation
casted_sets.append([
simplify(set_item[0]),
simplify(set_item[1]),
simplify(set_item[2])
])
if [0, 1, 2] in casted_sets and [3, 4, 5] in casted_sets and [
6, 7, 8
] in casted_sets:
return True
return False
def is_condition_met(self, hand, *args):
def tile_in_indices(item_set, indices_array):
for x in item_set:
if x in indices_array:
return True
return False
terminal_sets = 0
count_of_chi = 0
for item in hand:
if is_chi(item):
count_of_chi += 1
if tile_in_indices(item, TERMINAL_INDICES):
terminal_sets += 1
if count_of_chi == 0:
return False
return terminal_sets == 5
def _should_call_riichi_one_sided(self, waiting):
count_tiles = self.player.ai.hand_builder.count_tiles(
waiting, TilesConverter.to_34_array(self.player.closed_hand))
waiting = waiting[0]
hand_value = self.player.ai.estimate_hand_value_or_get_from_cache(
waiting, call_riichi=False)
hand_value_with_riichi = self.player.ai.estimate_hand_value_or_get_from_cache(
waiting, call_riichi=True)
must_riichi = self.player.ai.placement.must_riichi(
has_yaku=(hand_value.yaku is not None
and hand_value.cost is not None),
num_waits=count_tiles,
cost_with_riichi=hand_value_with_riichi.cost["main"],
cost_with_damaten=(hand_value.cost and hand_value.cost["main"]
or 0),
)
if must_riichi == Placement.MUST_RIICHI:
return True
elif must_riichi == Placement.MUST_DAMATEN:
return False
tiles = self.player.closed_hand[:]
closed_melds = [x for x in self.player.melds if not x.opened]
for meld in closed_melds:
tiles.extend(meld.tiles[:3])
results, tiles_34 = self.player.ai.hand_builder.divide_hand(
tiles, waiting)
result = results[0]
closed_tiles_34 = TilesConverter.to_34_array(self.player.closed_hand)
have_suji, have_kabe = self.player.ai.hand_builder.check_suji_and_kabe(
closed_tiles_34, waiting)
# what if we have yaku
if hand_value.yaku is not None and hand_value.cost is not None:
min_cost = hand_value.cost["main"]
# tanki honor is a good wait, let's damaten only if hand is already expensive
if is_honor(waiting):
if self.player.is_dealer and min_cost < 12000:
return True
if not self.player.is_dealer and min_cost < 8000:
return True
return False
is_chiitoitsu = len([x for x in result if is_pair(x)]) == 7
simplified_waiting = simplify(waiting)
for hand_set in result:
if waiting not in hand_set:
continue
# tanki wait but not chiitoitsu
if is_pair(hand_set) and not is_chiitoitsu:
# let's not riichi tanki 4, 5, 6
if 3 <= simplified_waiting <= 5:
return False
# don't riichi tanki wait on 1, 2, 3, 7, 8, 9 if it's only 1 tile
if count_tiles == 1:
return False
# don't riichi 2378 tanki if hand has good value
if simplified_waiting != 0 and simplified_waiting != 8:
if self.player.is_dealer and min_cost >= 7700:
return False
if not self.player.is_dealer and min_cost >= 5200:
return False
# only riichi if we have suji-trab or there is kabe
if not have_suji and not have_kabe:
return False
return True
# tanki wait with chiitoitsu
if is_pair(hand_set) and is_chiitoitsu:
# chiitoitsu on last suit tile is not the best
if count_tiles == 1:
return False
# early riichi on 19 tanki is good
if (simplified_waiting == 0 or simplified_waiting
== 8) and self.player.round_step < 7:
return True
# riichi on 19 tanki is good later too if we have 3 tiles to wait for
if ((simplified_waiting == 0 or simplified_waiting == 8)
and self.player.round_step < 12
and count_tiles == 3):
return True
# riichi on 28 tanki is good if we have 3 tiles to wait for
if ((simplified_waiting == 1 or simplified_waiting == 7)
and self.player.round_step < 12
and count_tiles == 3):
return True
# otherwise only riichi if we have suji-trab or there is kabe
if not have_suji and not have_kabe:
return False
return True
# 1-sided wait means kanchan or penchan
if is_chi(hand_set):
# let's not riichi kanchan on 4, 5, 6
if 3 <= simplified_waiting <= 5:
return False
# now checking waiting for 2, 3, 7, 8
# if we only have 1 tile to wait for, let's damaten
if count_tiles == 1:
return False
# if we have 2 tiles to wait for and hand cost is good without riichi,
# let's damaten
if count_tiles == 2:
if self.player.is_dealer and min_cost >= 7700:
return False
if not self.player.is_dealer and min_cost >= 5200:
return False
# if we have more than two tiles to wait for and we have kabe or suji - insta riichi
if count_tiles > 2 and (have_suji or have_kabe):
return True
# 2 and 8 are good waits but not in every condition
if simplified_waiting == 1 or simplified_waiting == 7:
if self.player.round_step < 7:
if self.player.is_dealer and min_cost < 18000:
return True
if not self.player.is_dealer and min_cost < 8000:
return True
if self.player.round_step < 12:
if self.player.is_dealer and min_cost < 12000:
return True
if not self.player.is_dealer and min_cost < 5200:
return True
if self.player.round_step < 15:
if self.player.is_dealer and 2000 < min_cost < 7700:
return True
# 3 and 7 are ok waits sometimes too
if simplified_waiting == 2 or simplified_waiting == 6:
if self.player.round_step < 7:
if self.player.is_dealer and min_cost < 12000:
return True
if not self.player.is_dealer and min_cost < 5200:
return True
if self.player.round_step < 12:
if self.player.is_dealer and min_cost < 7700:
return True
if not self.player.is_dealer and min_cost < 5200:
return True
if self.player.round_step < 15:
if self.player.is_dealer and 2000 < min_cost < 7700:
return True
# otherwise only riichi if we have suji-trab or there is kabe
if not have_suji and not have_kabe:
return False
return True
# what if we don't have yaku
# our tanki wait is good, let's riichi
if is_honor(waiting):
return True
if count_tiles > 1:
# terminal tanki is ok, too, just should be more than one tile left
if is_terminal(waiting):
return True
# whatever dora wait is ok, too, just should be more than one tile left
if plus_dora(waiting * 4,
self.player.table.dora_indicators,
add_aka_dora=False) > 0:
return True
simplified_waiting = simplify(waiting)
for hand_set in result:
if waiting not in hand_set:
continue
if is_pair(hand_set):
# let's not riichi tanki wait without suji-trap or kabe
if not have_suji and not have_kabe:
return False
# let's not riichi tanki on last suit tile if it's early
if count_tiles == 1 and self.player.round_step < 6:
return False
# let's not riichi tanki 4, 5, 6 if it's early
if 3 <= simplified_waiting <= 5 and self.player.round_step < 6:
return False
# 1-sided wait means kanchan or penchan
# let's only riichi this bad wait if
# it has all 4 tiles available or it
# it's not too early
if is_chi(hand_set) and 4 <= simplified_waiting <= 6:
return count_tiles == 4 or self.player.round_step >= 6
return True
def boxes_is_chi(boxes):
items = sorted([t[0] for t in boxes[0:3]])
if is_honor(items[0]) or is_honor(items[2]):
return False
return is_chi(items)
def _should_call_riichi_one_sided(self):
count_tiles = self.player.ai.hand_builder.count_tiles(
self.player.ai.waiting, TilesConverter.to_34_array(self.player.closed_hand)
)
waiting = self.player.ai.waiting[0]
hand_value = self.player.ai.estimate_hand_value(waiting, call_riichi=False)
tiles = self.player.closed_hand.copy()
closed_melds = [x for x in self.player.melds if not x.opened]
for meld in closed_melds:
tiles.extend(meld.tiles[:3])
results, tiles_34 = self.player.ai.hand_builder.divide_hand(tiles, waiting)
result = results[0]
closed_tiles_34 = TilesConverter.to_34_array(self.player.closed_hand)
have_suji, have_kabe = self.player.ai.hand_builder.check_suji_and_kabe(closed_tiles_34, waiting)
# what if we have yaku
if hand_value.yaku is not None and hand_value.cost is not None:
min_cost = hand_value.cost['main']
# tanki honor is a good wait, let's damaten only if hand is already expensive
if is_honor(waiting):
if self.player.is_dealer and min_cost < 12000:
return True
if not self.player.is_dealer and min_cost < 8000:
return True
return False
is_chiitoitsu = len([x for x in result if is_pair(x)]) == 7
simplified_waiting = simplify(waiting)
for hand_set in result:
if waiting not in hand_set:
continue
# tanki wait but not chiitoitsu
if is_pair(hand_set) and not is_chiitoitsu:
# let's not riichi tanki 4, 5, 6
if 3 <= simplified_waiting <= 5:
return False
# don't riichi tanki wait on 1, 2, 3, 7, 8, 9 if it's only 1 tile
if count_tiles == 1:
return False
# don't riichi 2378 tanki if hand has good value
if simplified_waiting != 0 and simplified_waiting != 8:
if self.player.is_dealer and min_cost >= 7700:
return False
if not self.player.is_dealer and min_cost >= 5200:
return False
# only riichi if we have suji-trab or there is kabe
if not have_suji and not have_kabe:
return False
return True
# tanki wait with chiitoitsu
if is_pair(hand_set) and is_chiitoitsu:
# chiitoitsu on last suit tile is no the best
if count_tiles == 1:
return False
# only riichi if we have suji-trab or there is kabe
if not have_suji and not have_kabe:
return False
return True
# 1-sided wait means kanchan or penchan
if is_chi(hand_set):
# let's not riichi kanchan on 4, 5, 6
if 3 <= simplified_waiting <= 5:
return False
# now checking waiting for 2, 3, 7, 8
# if we only have 1 tile to wait for, let's damaten
if count_tiles == 1:
return False
# if we have 2 tiles to wait for and hand cost is good without riichi,
# let's damaten
if count_tiles == 2:
if self.player.is_dealer and min_cost >= 7700:
return False
if not self.player.is_dealer and min_cost >= 5200:
return False
# only riichi if we have suji-trab or there is kabe
if not have_suji and not have_kabe:
return False
return True
# what if we don't have yaku
# our tanki wait is good, let's riichi
if is_honor(waiting):
return True
simplified_waiting = simplify(waiting)
for hand_set in result:
if waiting not in hand_set:
continue
if is_pair(hand_set):
# let's not riichi tanki wait without suji-trap or kabe
if not have_suji and not have_kabe:
return False
# let's not riichi tanki on last suit tile if it's early
if count_tiles == 1 and self.player.round_step < 6:
return False
# let's not riichi tanki 4, 5, 6 if it's early
if 3 <= simplified_waiting <= 5 and self.player.round_step < 6:
return False
# 1-sided wait means kanchan or penchan
if is_chi(hand_set):
# let's only riichi this bad wait if
# it has all 4 tiles available or it
# it's not too early
if 4 <= simplified_waiting <= 6:
return count_tiles == 4 or self.player.round_step >= 6
return True
def estimate_hand_value(self,
tiles,
win_tile,
melds=None,
dora_indicators=None,
config=None):
"""
:param tiles: array with 14 tiles in 136-tile format
:param win_tile: 136 format tile that caused win (ron or tsumo)
:param melds: array with Meld objects
:param dora_indicators: array of tiles in 136-tile format
:param config: HandConfig object
:return: HandResponse object
"""
if not melds:
melds = []
if not dora_indicators:
dora_indicators = []
self.config = config or HandConfig()
agari = Agari()
hand_yaku = []
scores_calculator = ScoresCalculator()
tiles_34 = TilesConverter.to_34_array(tiles)
divider = HandDivider()
fu_calculator = FuCalculator()
opened_melds = [x.tiles_34 for x in melds if x.opened]
all_melds = [x.tiles_34 for x in melds]
is_open_hand = len(opened_melds) > 0
# special situation
if self.config.is_nagashi_mangan:
hand_yaku.append(self.config.yaku.nagashi_mangan)
fu = 30
han = self.config.yaku.nagashi_mangan.han_closed
cost = scores_calculator.calculate_scores(han, fu, self.config,
False)
return HandResponse(cost, han, fu, hand_yaku)
if win_tile not in tiles:
return HandResponse(error="Win tile not in the hand")
if self.config.is_riichi and is_open_hand:
return HandResponse(
error="Riichi can't be declared with open hand")
if self.config.is_ippatsu and is_open_hand:
return HandResponse(
error="Ippatsu can't be declared with open hand")
if self.config.is_ippatsu and not self.config.is_riichi and not self.config.is_daburu_riichi:
return HandResponse(
error="Ippatsu can't be declared without riichi")
if not agari.is_agari(tiles_34, all_melds):
return HandResponse(error='Hand is not winning')
if not self.config.options.has_double_yakuman:
self.config.yaku.daburu_kokushi.han_closed = 13
self.config.yaku.suuankou_tanki.han_closed = 13
self.config.yaku.daburu_chuuren_poutou.han_closed = 13
self.config.yaku.daisuushi.han_closed = 13
self.config.yaku.daisuushi.han_open = 13
hand_options = divider.divide_hand(tiles_34, melds)
calculated_hands = []
for hand in hand_options:
is_chiitoitsu = self.config.yaku.chiitoitsu.is_condition_met(hand)
valued_tiles = [
HAKU, HATSU, CHUN, self.config.player_wind,
self.config.round_wind
]
win_groups = self._find_win_groups(win_tile, hand, opened_melds)
for win_group in win_groups:
cost = None
error = None
hand_yaku = []
han = 0
fu_details, fu = fu_calculator.calculate_fu(
hand, win_tile, win_group, self.config, valued_tiles,
melds)
is_pinfu = len(
fu_details) == 1 and not is_chiitoitsu and not is_open_hand
pon_sets = [x for x in hand if is_pon(x)]
chi_sets = [x for x in hand if is_chi(x)]
if self.config.is_tsumo:
if not is_open_hand:
hand_yaku.append(self.config.yaku.tsumo)
if is_pinfu:
hand_yaku.append(self.config.yaku.pinfu)
# let's skip hand that looks like chitoitsu, but it contains open sets
if is_chiitoitsu and is_open_hand:
continue
if is_chiitoitsu:
hand_yaku.append(self.config.yaku.chiitoitsu)
is_daisharin = self.config.yaku.daisharin.is_condition_met(
hand, self.config.options.has_daisharin_other_suits)
if self.config.options.has_daisharin and is_daisharin:
self.config.yaku.daisharin.rename(hand)
hand_yaku.append(self.config.yaku.daisharin)
is_tanyao = self.config.yaku.tanyao.is_condition_met(hand)
if is_open_hand and not self.config.options.has_open_tanyao:
is_tanyao = False
if is_tanyao:
hand_yaku.append(self.config.yaku.tanyao)
if self.config.is_riichi and not self.config.is_daburu_riichi:
hand_yaku.append(self.config.yaku.riichi)
if self.config.is_daburu_riichi:
hand_yaku.append(self.config.yaku.daburu_riichi)
if self.config.is_ippatsu:
hand_yaku.append(self.config.yaku.ippatsu)
if self.config.is_rinshan:
hand_yaku.append(self.config.yaku.rinshan)
if self.config.is_chankan:
hand_yaku.append(self.config.yaku.chankan)
if self.config.is_haitei:
hand_yaku.append(self.config.yaku.haitei)
if self.config.is_houtei:
hand_yaku.append(self.config.yaku.houtei)
if self.config.is_renhou:
if self.config.options.renhou_as_yakuman:
hand_yaku.append(self.config.yaku.renhou_yakuman)
else:
hand_yaku.append(self.config.yaku.renhou)
if self.config.is_tenhou:
hand_yaku.append(self.config.yaku.tenhou)
if self.config.is_chiihou:
hand_yaku.append(self.config.yaku.chiihou)
if self.config.yaku.honitsu.is_condition_met(hand):
hand_yaku.append(self.config.yaku.honitsu)
if self.config.yaku.chinitsu.is_condition_met(hand):
hand_yaku.append(self.config.yaku.chinitsu)
if self.config.yaku.tsuisou.is_condition_met(hand):
hand_yaku.append(self.config.yaku.tsuisou)
if self.config.yaku.honroto.is_condition_met(hand):
hand_yaku.append(self.config.yaku.honroto)
if self.config.yaku.chinroto.is_condition_met(hand):
hand_yaku.append(self.config.yaku.chinroto)
# small optimization, try to detect yaku with chi required sets only if we have chi sets in hand
if len(chi_sets):
if self.config.yaku.chanta.is_condition_met(hand):
hand_yaku.append(self.config.yaku.chanta)
if self.config.yaku.junchan.is_condition_met(hand):
hand_yaku.append(self.config.yaku.junchan)
if self.config.yaku.ittsu.is_condition_met(hand):
hand_yaku.append(self.config.yaku.ittsu)
if not is_open_hand:
if self.config.yaku.ryanpeiko.is_condition_met(hand):
hand_yaku.append(self.config.yaku.ryanpeiko)
elif self.config.yaku.iipeiko.is_condition_met(hand):
hand_yaku.append(self.config.yaku.iipeiko)
if self.config.yaku.sanshoku.is_condition_met(hand):
hand_yaku.append(self.config.yaku.sanshoku)
# small optimization, try to detect yaku with pon required sets only if we have pon sets in hand
if len(pon_sets):
if self.config.yaku.toitoi.is_condition_met(hand):
hand_yaku.append(self.config.yaku.toitoi)
if self.config.yaku.sanankou.is_condition_met(
hand, win_tile, melds, self.config.is_tsumo):
hand_yaku.append(self.config.yaku.sanankou)
if self.config.yaku.sanshoku_douko.is_condition_met(hand):
hand_yaku.append(self.config.yaku.sanshoku_douko)
if self.config.yaku.shosangen.is_condition_met(hand):
hand_yaku.append(self.config.yaku.shosangen)
if self.config.yaku.haku.is_condition_met(hand):
hand_yaku.append(self.config.yaku.haku)
if self.config.yaku.hatsu.is_condition_met(hand):
hand_yaku.append(self.config.yaku.hatsu)
if self.config.yaku.chun.is_condition_met(hand):
hand_yaku.append(self.config.yaku.chun)
if self.config.yaku.east.is_condition_met(
hand, self.config.player_wind,
self.config.round_wind):
if self.config.player_wind == EAST:
hand_yaku.append(self.config.yaku.yakuhai_place)
if self.config.round_wind == EAST:
hand_yaku.append(self.config.yaku.yakuhai_round)
if self.config.yaku.south.is_condition_met(
hand, self.config.player_wind,
self.config.round_wind):
if self.config.player_wind == SOUTH:
hand_yaku.append(self.config.yaku.yakuhai_place)
if self.config.round_wind == SOUTH:
hand_yaku.append(self.config.yaku.yakuhai_round)
if self.config.yaku.west.is_condition_met(
hand, self.config.player_wind,
self.config.round_wind):
if self.config.player_wind == WEST:
hand_yaku.append(self.config.yaku.yakuhai_place)
if self.config.round_wind == WEST:
hand_yaku.append(self.config.yaku.yakuhai_round)
if self.config.yaku.north.is_condition_met(
hand, self.config.player_wind,
self.config.round_wind):
if self.config.player_wind == NORTH:
hand_yaku.append(self.config.yaku.yakuhai_place)
if self.config.round_wind == NORTH:
hand_yaku.append(self.config.yaku.yakuhai_round)
if self.config.yaku.daisangen.is_condition_met(hand):
hand_yaku.append(self.config.yaku.daisangen)
if self.config.yaku.shosuushi.is_condition_met(hand):
hand_yaku.append(self.config.yaku.shosuushi)
if self.config.yaku.daisuushi.is_condition_met(hand):
hand_yaku.append(self.config.yaku.daisuushi)
if self.config.yaku.ryuisou.is_condition_met(hand):
hand_yaku.append(self.config.yaku.ryuisou)
# closed kan can't be used in chuuren_poutou
if not len(
melds
) and self.config.yaku.chuuren_poutou.is_condition_met(
hand):
if tiles_34[win_tile // 4] == 2 or tiles_34[win_tile //
4] == 4:
hand_yaku.append(
self.config.yaku.daburu_chuuren_poutou)
else:
hand_yaku.append(self.config.yaku.chuuren_poutou)
if not is_open_hand and self.config.yaku.suuankou.is_condition_met(
hand, win_tile, self.config.is_tsumo):
if tiles_34[win_tile // 4] == 2:
hand_yaku.append(self.config.yaku.suuankou_tanki)
else:
hand_yaku.append(self.config.yaku.suuankou)
if self.config.yaku.sankantsu.is_condition_met(
hand, melds):
hand_yaku.append(self.config.yaku.sankantsu)
if self.config.yaku.suukantsu.is_condition_met(
hand, melds):
hand_yaku.append(self.config.yaku.suukantsu)
# yakuman is not connected with other yaku
yakuman_list = [x for x in hand_yaku if x.is_yakuman]
if yakuman_list:
hand_yaku = yakuman_list
# calculate han
for item in hand_yaku:
if is_open_hand and item.han_open:
han += item.han_open
else:
han += item.han_closed
if han == 0:
error = 'There are no yaku in the hand'
cost = None
# we don't need to add dora to yakuman
if not yakuman_list:
tiles_for_dora = tiles[:]
# we had to search for dora in kan fourth tiles as well
for meld in melds:
if meld.type == Meld.KAN or meld.type == Meld.CHANKAN:
tiles_for_dora.append(meld.tiles[3])
count_of_dora = 0
count_of_aka_dora = 0
for tile in tiles_for_dora:
count_of_dora += plus_dora(tile, dora_indicators)
for tile in tiles_for_dora:
if is_aka_dora(tile, self.config.options.has_aka_dora):
count_of_aka_dora += 1
if count_of_dora:
self.config.yaku.dora.han_open = count_of_dora
self.config.yaku.dora.han_closed = count_of_dora
hand_yaku.append(self.config.yaku.dora)
han += count_of_dora
if count_of_aka_dora:
self.config.yaku.aka_dora.han_open = count_of_aka_dora
self.config.yaku.aka_dora.han_closed = count_of_aka_dora
hand_yaku.append(self.config.yaku.aka_dora)
han += count_of_aka_dora
if not error:
cost = scores_calculator.calculate_scores(
han, fu, self.config,
len(yakuman_list) > 0)
calculated_hand = {
'cost': cost,
'error': error,
'hand_yaku': hand_yaku,
'han': han,
'fu': fu,
'fu_details': fu_details
}
calculated_hands.append(calculated_hand)
# exception hand
if not is_open_hand and self.config.yaku.kokushi.is_condition_met(
None, tiles_34):
if tiles_34[win_tile // 4] == 2:
hand_yaku.append(self.config.yaku.daburu_kokushi)
else:
hand_yaku.append(self.config.yaku.kokushi)
if self.config.is_renhou and self.config.options.renhou_as_yakuman:
hand_yaku.append(self.config.yaku.renhou_yakuman)
if self.config.is_tenhou:
hand_yaku.append(self.config.yaku.tenhou)
if self.config.is_chiihou:
hand_yaku.append(self.config.yaku.chiihou)
# calculate han
han = 0
for item in hand_yaku:
if is_open_hand and item.han_open:
han += item.han_open
else:
han += item.han_closed
fu = 0
cost = scores_calculator.calculate_scores(han, fu, self.config,
len(hand_yaku) > 0)
calculated_hands.append({
'cost': cost,
'error': None,
'hand_yaku': hand_yaku,
'han': han,
'fu': fu,
'fu_details': []
})
# let's use cost for most expensive hand
calculated_hands = sorted(calculated_hands,
key=lambda x: (x['han'], x['fu']),
reverse=True)
calculated_hand = calculated_hands[0]
cost = calculated_hand['cost']
error = calculated_hand['error']
hand_yaku = calculated_hand['hand_yaku']
han = calculated_hand['han']
fu = calculated_hand['fu']
fu_details = calculated_hand['fu_details']
return HandResponse(cost, han, fu, hand_yaku, error, fu_details)
def calculate_additional_fu(self, win_tile, hand, is_tsumo, player_wind,
round_wind, open_sets, called_kan_indices):
"""
:param win_tile: "136 format" tile
:param hand: list of hand's sets
:param player_wind:
:param round_wind:
:param open_sets: array of array with 34 tiles format
:param called_kan_indices: array of 34 tiles format
:return: int
"""
win_tile //= 4
additional_fu = 0
closed_hand = []
for set_item in hand:
if not is_pair(set_item) and set_item not in open_sets:
closed_hand.append(set_item)
pon_sets = [x for x in hand if is_pon(x)]
chi_sets = [x for x in hand if (win_tile in x and is_chi(x))]
closed_hand_indices = closed_hand and reduce(lambda z, y: z + y,
closed_hand) or []
# there is no sense to check identical sets
unique_chi_sets = []
for item in chi_sets:
if item not in unique_chi_sets:
unique_chi_sets.append(item)
chi_fu_sets = []
for set_item in unique_chi_sets:
count_of_open_sets = len([x for x in open_sets if x == set_item])
count_of_sets = len([x for x in chi_sets if x == set_item])
if count_of_open_sets == count_of_sets:
continue
# penchan waiting
if any(x in set_item for x in TERMINAL_INDICES):
tile_number = simplify(win_tile)
# 1-2-...
if set_item.index(win_tile) == 2 and tile_number == 2:
chi_fu_sets.append(set_item)
# ...-8-9
elif set_item.index(win_tile) == 0 and tile_number == 6:
chi_fu_sets.append(set_item)
# kanchan waiting 5-...-7
if set_item.index(win_tile) == 1:
chi_fu_sets.append(set_item)
for set_item in pon_sets:
set_was_open = set_item in open_sets
is_kan = set_item[0] in called_kan_indices
is_honor = set_item[0] in TERMINAL_INDICES + HONOR_INDICES
# we win on the third pon tile, our pon will be count as open
if not is_tsumo and win_tile in set_item:
# 111123 form is exception
if len([x for x in closed_hand_indices if x == win_tile]) != 4:
set_was_open = True
if is_honor:
if is_kan:
additional_fu += set_was_open and 16 or 32
else:
additional_fu += set_was_open and 4 or 8
else:
if is_kan:
additional_fu += set_was_open and 8 or 16
else:
additional_fu += set_was_open and 2 or 4
# valued pair
pair = [x for x in hand if is_pair(x)][0][0]
valued_indices = [HAKU, HATSU, CHUN, player_wind, round_wind]
count_of_valued_pairs = [x for x in valued_indices if x == pair]
if len(count_of_valued_pairs):
# we can have 4 fu for east-east pair
additional_fu += 2 * len(count_of_valued_pairs)
pair_was_counted = False
if len(chi_fu_sets) and len(unique_chi_sets) == len(chi_fu_sets):
if len(chi_fu_sets
) == 1 and pair in chi_fu_sets[0] and win_tile == pair:
additional_fu += 2
pair_was_counted = True
else:
additional_fu += 2
pair_was_counted = True
elif additional_fu != 0 and len(chi_fu_sets):
# Hand like 123345
# we can't count pinfu yaku here, so let's add additional fu for 123 waiting
pair_was_counted = True
additional_fu += 2
# separate pair waiting
if pair == win_tile:
if not len(chi_sets):
additional_fu += 2
elif additional_fu != 0 and not pair_was_counted:
# we can't count pinfu yaku here, so let's add additional fu
additional_fu += 2
return additional_fu
def try_to_call_meld(self, tile, is_kamicha_discard, new_tiles):
"""
Determine should we call a meld or not.
If yes, it will return MeldPrint object and tile to discard
:param tile: 136 format tile
:param is_kamicha_discard: boolean
:param new_tiles:
:return: MeldPrint and DiscardOption objects
"""
if self.player.in_riichi:
return None, None
closed_hand = self.player.closed_hand[:]
# we can't open hand anymore
if len(closed_hand) == 1:
return None, None
# we can't use this tile for our chosen strategy
if not self.is_tile_suitable(tile):
return None, None
discarded_tile = tile // 4
closed_hand_34 = TilesConverter.to_34_array(closed_hand + [tile])
combinations = []
first_index = 0
second_index = 0
if is_man(discarded_tile):
first_index = 0
second_index = 8
elif is_pin(discarded_tile):
first_index = 9
second_index = 17
elif is_sou(discarded_tile):
first_index = 18
second_index = 26
if second_index == 0:
# honor tiles
if closed_hand_34[discarded_tile] == 3:
combinations = [[[discarded_tile] * 3]]
else:
# to avoid not necessary calculations
# we can check only tiles around +-2 discarded tile
first_limit = discarded_tile - 2
if first_limit < first_index:
first_limit = first_index
second_limit = discarded_tile + 2
if second_limit > second_index:
second_limit = second_index
combinations = self.player.ai.hand_divider.find_valid_combinations(
closed_hand_34, first_limit, second_limit, True
)
if combinations:
combinations = combinations[0]
possible_melds = []
for best_meld_34 in combinations:
# we can call pon from everyone
if is_pon(best_meld_34) and discarded_tile in best_meld_34:
if best_meld_34 not in possible_melds:
possible_melds.append(best_meld_34)
# we can call chi only from left player
if is_chi(best_meld_34) and is_kamicha_discard and discarded_tile in best_meld_34:
if best_meld_34 not in possible_melds:
possible_melds.append(best_meld_34)
# we can call melds only with allowed tiles
validated_melds = []
for meld in possible_melds:
if (
self.is_tile_suitable(meld[0] * 4)
and self.is_tile_suitable(meld[1] * 4)
and self.is_tile_suitable(meld[2] * 4)
):
validated_melds.append(meld)
possible_melds = validated_melds
if not possible_melds:
return None, None
chosen_meld_dict = self._find_best_meld_to_open(tile, possible_melds, new_tiles, closed_hand, tile)
# we didn't find a good discard candidate after open meld
if not chosen_meld_dict:
return None, None
selected_tile = chosen_meld_dict["discard_tile"]
meld = chosen_meld_dict["meld"]
shanten = selected_tile.shanten
had_to_be_called = self.meld_had_to_be_called(tile)
had_to_be_called = had_to_be_called or selected_tile.had_to_be_discarded
# each strategy can use their own value to min shanten number
if shanten > self.min_shanten:
self.player.logger.debug(
log.MELD_DEBUG,
"After meld shanten is too high for our strategy. Abort melding.",
)
return None, None
# sometimes we had to call tile, even if it will not improve our hand
# otherwise we can call only with improvements of shanten
if not had_to_be_called and shanten >= self.player.ai.shanten:
self.player.logger.debug(
log.MELD_DEBUG,
"Meld is not improving hand shanten. Abort melding.",
)
return None, None
if not self.validate_meld(chosen_meld_dict):
self.player.logger.debug(
log.MELD_DEBUG,
"Meld is suitable for strategy logic. Abort melding.",
)
return None, None
if not self.should_push_against_threats(chosen_meld_dict):
self.player.logger.debug(
log.MELD_DEBUG,
"Meld is too dangerous to call. Abort melding.",
)
return None, None
return meld, selected_tile
def try_to_call_meld(self, tile, is_kamicha_discard):
"""
Determine should we call a meld or not.
If yes, it will return Meld object and tile to discard
:param tile: 136 format tile
:param is_kamicha_discard: boolean
:return: Meld and DiscardOption objects
"""
if self.player.in_riichi:
return None, None
if self.player.ai.in_defence:
return None, None
closed_hand = self.player.closed_hand[:]
# we can't open hand anymore
if len(closed_hand) == 1:
return None, None
# we can't use this tile for our chosen strategy
if not self.is_tile_suitable(tile):
return None, None
discarded_tile = tile // 4
new_tiles = self.player.tiles[:] + [tile]
closed_hand_34 = TilesConverter.to_34_array(closed_hand + [tile])
combinations = []
first_index = 0
second_index = 0
if is_man(discarded_tile):
first_index = 0
second_index = 8
elif is_pin(discarded_tile):
first_index = 9
second_index = 17
elif is_sou(discarded_tile):
first_index = 18
second_index = 26
if second_index == 0:
# honor tiles
if closed_hand_34[discarded_tile] == 3:
combinations = [[[discarded_tile] * 3]]
else:
# to avoid not necessary calculations
# we can check only tiles around +-2 discarded tile
first_limit = discarded_tile - 2
if first_limit < first_index:
first_limit = first_index
second_limit = discarded_tile + 2
if second_limit > second_index:
second_limit = second_index
combinations = self.player.ai.hand_divider.find_valid_combinations(closed_hand_34,
first_limit,
second_limit, True)
if combinations:
combinations = combinations[0]
possible_melds = []
for best_meld_34 in combinations:
# we can call pon from everyone
if is_pon(best_meld_34) and discarded_tile in best_meld_34:
if best_meld_34 not in possible_melds:
possible_melds.append(best_meld_34)
# we can call chi only from left player
if is_chi(best_meld_34) and is_kamicha_discard and discarded_tile in best_meld_34:
if best_meld_34 not in possible_melds:
possible_melds.append(best_meld_34)
# we can call melds only with allowed tiles
validated_melds = []
for meld in possible_melds:
if (self.is_tile_suitable(meld[0] * 4) and
self.is_tile_suitable(meld[1] * 4) and
self.is_tile_suitable(meld[2] * 4)):
validated_melds.append(meld)
possible_melds = validated_melds
if not possible_melds:
return None, None
best_meld_34 = self._find_best_meld_to_open(possible_melds, new_tiles)
if best_meld_34:
# we need to calculate count of shanten with supposed meld
# to prevent bad hand openings
melds = self.player.open_hand_34_tiles + [best_meld_34]
outs_results, shanten = self.player.ai.calculate_outs(new_tiles, closed_hand, melds)
# each strategy can use their own value to min shanten number
if shanten > self.min_shanten:
return None, None
# we can't improve hand, so we don't need to open it
if not outs_results:
return None, None
# sometimes we had to call tile, even if it will not improve our hand
# otherwise we can call only with improvements of shanten
if not self.meld_had_to_be_called(tile) and shanten >= self.player.ai.previous_shanten:
return None, None
meld_type = is_chi(best_meld_34) and Meld.CHI or Meld.PON
best_meld_34.remove(discarded_tile)
first_tile = TilesConverter.find_34_tile_in_136_array(best_meld_34[0], closed_hand)
closed_hand.remove(first_tile)
second_tile = TilesConverter.find_34_tile_in_136_array(best_meld_34[1], closed_hand)
closed_hand.remove(second_tile)
tiles = [
first_tile,
second_tile,
tile
]
meld = Meld()
meld.type = meld_type
meld.tiles = sorted(tiles)
# we had to be sure that all our discard results exists in the closed hand
filtered_results = []
for result in outs_results:
if result.find_tile_in_hand(closed_hand):
filtered_results.append(result)
# we can't discard anything, so let's not open our hand
if not filtered_results:
return None, None
selected_tile = self.player.ai.process_discard_options_and_select_tile_to_discard(
filtered_results,
shanten,
had_was_open=True
)
return meld, selected_tile
return None, None
def find_valid_combinations(self, tiles_34, first_index, second_index, hand_not_completed=False):
"""
Find and return all valid set combinations in given suit
:param tiles_34:
:param first_index:
:param second_index:
:param hand_not_completed: in that mode we can return just possible shi or pon sets
:return: list of valid combinations
"""
indices = []
for x in range(first_index, second_index + 1):
if tiles_34[x] > 0:
indices.extend([x] * tiles_34[x])
if not indices:
return []
all_possible_combinations = list(itertools.permutations(indices, 3))
def is_valid_combination(possible_set):
if is_chi(possible_set):
return True
if is_pon(possible_set):
return True
return False
valid_combinations = []
for combination in all_possible_combinations:
if is_valid_combination(combination):
valid_combinations.append(list(combination))
if not valid_combinations:
return []
count_of_needed_combinations = int(len(indices) / 3)
# simple case, we have count of sets == count of tiles
if (
count_of_needed_combinations == len(valid_combinations)
and reduce(lambda z, y: z + y, valid_combinations) == indices
):
return [valid_combinations]
# filter and remove not possible pon sets
for item in valid_combinations:
if is_pon(item):
count_of_sets = 1
count_of_tiles = 0
while count_of_sets > count_of_tiles:
count_of_tiles = len([x for x in indices if x == item[0]]) / 3
count_of_sets = len(
[x for x in valid_combinations if x[0] == item[0] and x[1] == item[1] and x[2] == item[2]]
)
if count_of_sets > count_of_tiles:
valid_combinations.remove(item)
# filter and remove not possible chi sets
for item in valid_combinations:
if is_chi(item):
count_of_sets = 5
# TODO calculate real count of possible sets
count_of_possible_sets = 4
while count_of_sets > count_of_possible_sets:
count_of_sets = len(
[x for x in valid_combinations if x[0] == item[0] and x[1] == item[1] and x[2] == item[2]]
)
if count_of_sets > count_of_possible_sets:
valid_combinations.remove(item)
# lit of chi\pon sets for not completed hand
if hand_not_completed:
return [valid_combinations]
# hard case - we can build a lot of sets from our tiles
# for example we have 123456 tiles and we can build sets:
# [1, 2, 3] [4, 5, 6] [2, 3, 4] [3, 4, 5]
# and only two of them valid in the same time [1, 2, 3] [4, 5, 6]
possible_combinations = set(
itertools.permutations(range(0, len(valid_combinations)), count_of_needed_combinations)
)
combinations_results = []
for combination in possible_combinations:
result = []
for item in combination:
result += valid_combinations[item]
result = sorted(result)
if result == indices:
results = []
for item in combination:
results.append(valid_combinations[item])
results = sorted(results, key=lambda z: z[0])
if results not in combinations_results:
combinations_results.append(results)
return combinations_results
def try_to_call_meld(self, tile, is_kamicha_discard, new_tiles):
"""
Determine should we call a meld or not.
If yes, it will return Meld object and tile to discard
:param tile: 136 format tile
:param is_kamicha_discard: boolean
:param new_tiles:
:return: Meld and DiscardOption objects
"""
if self.player.in_riichi:
return None, None
if self.player.ai.in_defence:
return None, None
closed_hand = self.player.closed_hand[:]
# we can't open hand anymore
if len(closed_hand) == 1:
return None, None
# we can't use this tile for our chosen strategy
if not self.is_tile_suitable(tile):
return None, None
discarded_tile = tile // 4
closed_hand_34 = TilesConverter.to_34_array(closed_hand + [tile])
combinations = []
first_index = 0
second_index = 0
if is_man(discarded_tile):
first_index = 0
second_index = 8
elif is_pin(discarded_tile):
first_index = 9
second_index = 17
elif is_sou(discarded_tile):
first_index = 18
second_index = 26
if second_index == 0:
# honor tiles
if closed_hand_34[discarded_tile] == 3:
combinations = [[[discarded_tile] * 3]]
else:
# to avoid not necessary calculations
# we can check only tiles around +-2 discarded tile
first_limit = discarded_tile - 2
if first_limit < first_index:
first_limit = first_index
second_limit = discarded_tile + 2
if second_limit > second_index:
second_limit = second_index
combinations = self.player.ai.hand_divider.find_valid_combinations(
closed_hand_34,
first_limit,
second_limit,
True
)
if combinations:
combinations = combinations[0]
possible_melds = []
for best_meld_34 in combinations:
# we can call pon from everyone
if is_pon(best_meld_34) and discarded_tile in best_meld_34:
if best_meld_34 not in possible_melds:
possible_melds.append(best_meld_34)
# we can call chi only from left player
if is_chi(best_meld_34) and is_kamicha_discard and discarded_tile in best_meld_34:
if best_meld_34 not in possible_melds:
possible_melds.append(best_meld_34)
# we can call melds only with allowed tiles
validated_melds = []
for meld in possible_melds:
if (self.is_tile_suitable(meld[0] * 4) and
self.is_tile_suitable(meld[1] * 4) and
self.is_tile_suitable(meld[2] * 4)):
validated_melds.append(meld)
possible_melds = validated_melds
if not possible_melds:
return None, None
chosen_meld = self._find_best_meld_to_open(possible_melds, new_tiles, closed_hand, tile)
selected_tile = chosen_meld['discard_tile']
meld = chosen_meld['meld']
shanten = selected_tile.shanten
had_to_be_called = self.meld_had_to_be_called(tile)
had_to_be_called = had_to_be_called or selected_tile.had_to_be_discarded
# each strategy can use their own value to min shanten number
if shanten > self.min_shanten:
return None, None
# sometimes we had to call tile, even if it will not improve our hand
# otherwise we can call only with improvements of shanten
if not had_to_be_called and shanten >= self.player.ai.shanten:
return None, None
return meld, selected_tile
def _find_best_meld_to_open(self, call_tile_136, possible_melds, new_tiles, closed_hand, discarded_tile):
all_tiles_are_suitable = True
for tile_136 in closed_hand:
all_tiles_are_suitable &= self.is_tile_suitable(tile_136)
final_results = []
for meld_34 in possible_melds:
# in order to fully emulate the possible hand with meld, we save original melds state,
# modify player's melds and then restore original melds state after everything is done
melds_original = self.player.melds[:]
tiles_original = self.player.tiles[:]
tiles = self._find_meld_tiles(closed_hand, meld_34, discarded_tile)
meld = MeldPrint()
meld.type = is_chi(meld_34) and MeldPrint.CHI or MeldPrint.PON
meld.tiles = sorted(tiles)
self.player.logger.debug(
log.MELD_HAND, f"Hand: {self._format_hand_for_print(closed_hand, discarded_tile, self.player.melds)}"
)
# update player hand state to emulate new situation and choose what to discard
self.player.tiles = new_tiles[:]
self.player.add_called_meld(meld)
selected_tile = self.player.ai.hand_builder.choose_tile_to_discard(after_meld=True)
# restore original tiles and melds state
self.player.tiles = tiles_original
self.player.melds = melds_original
# we can't find a good discard candidate, so let's skip this
if not selected_tile:
self.player.logger.debug(log.MELD_DEBUG, "Can't find discard candidate after meld. Abort melding.")
continue
if not all_tiles_are_suitable and self.is_tile_suitable(selected_tile.tile_to_discard_136):
self.player.logger.debug(
log.MELD_DEBUG,
"We have tiles in our hand that are not suitable to current strategy, "
"but we are going to discard tile that we need. Abort melding.",
)
continue
call_tile_34 = call_tile_136 // 4
# we can't discard the same tile that we called
if selected_tile.tile_to_discard_34 == call_tile_34:
self.player.logger.debug(
log.MELD_DEBUG, "We can't discard same tile that we used for meld. Abort melding."
)
continue
# we can't discard tile from the other end of the same ryanmen that we called
if not is_honor(selected_tile.tile_to_discard_34) and meld.type == MeldPrint.CHI:
if is_sou(selected_tile.tile_to_discard_34) and is_sou(call_tile_34):
same_suit = True
elif is_man(selected_tile.tile_to_discard_34) and is_man(call_tile_34):
same_suit = True
elif is_pin(selected_tile.tile_to_discard_34) and is_pin(call_tile_34):
same_suit = True
else:
same_suit = False
if same_suit:
simplified_meld_0 = simplify(meld.tiles[0] // 4)
simplified_meld_1 = simplify(meld.tiles[1] // 4)
simplified_call = simplify(call_tile_34)
simplified_discard = simplify(selected_tile.tile_to_discard_34)
kuikae = False
if simplified_discard == simplified_call - 3:
kuikae_set = [simplified_call - 1, simplified_call - 2]
if simplified_meld_0 in kuikae_set and simplified_meld_1 in kuikae_set:
kuikae = True
elif simplified_discard == simplified_call + 3:
kuikae_set = [simplified_call + 1, simplified_call + 2]
if simplified_meld_0 in kuikae_set and simplified_meld_1 in kuikae_set:
kuikae = True
if kuikae:
tile_str = TilesConverter.to_one_line_string(
[selected_tile.tile_to_discard_136], print_aka_dora=self.player.table.has_aka_dora
)
self.player.logger.debug(
log.MELD_DEBUG,
f"Kuikae discard {tile_str} candidate. Abort melding.",
)
continue
final_results.append(
{
"discard_tile": selected_tile,
"meld_print": TilesConverter.to_one_line_string([meld_34[0] * 4, meld_34[1] * 4, meld_34[2] * 4]),
"meld": meld,
}
)
if not final_results:
self.player.logger.debug(log.MELD_DEBUG, "There are no good discards after melding.")
return None
final_results = sorted(
final_results,
key=lambda x: (x["discard_tile"].shanten, -x["discard_tile"].ukeire, x["discard_tile"].valuation),
)
self.player.logger.debug(
log.MELD_PREPARE,
"Tiles could be used for open meld",
context=final_results,
)
return final_results[0]
def try_to_call_meld(self, tile, is_kamicha_discard):
"""
When bot can open hand with a set (chi or pon/kan) this method will be called
:param tile: 136 format tile
:param is_kamicha_discard: boolean
:return: Meld and DiscardOption objects or None, None
"""
# can't call if in riichi
if self.player.in_riichi:
return None, None
closed_hand = self.player.closed_hand[:]
# check for appropriate hand size, seems to solve a bug
if len(closed_hand) == 1:
return None, None
# get old shanten value
old_tiles_34 = TilesConverter.to_34_array(self.player.tiles)
old_shanten = self.shanten.calculate_shanten(old_tiles_34, self.player.open_hand_34_tiles)
# setup
discarded_tile = tile // 4
new_closed_hand_34 = TilesConverter.to_34_array(closed_hand + [tile])
# We will use hand_divider to find possible melds involving the discarded tile.
# Check its suit and number to narrow the search conditions
# skipping this will break the default mahjong functions
combinations = []
first_index = 0
second_index = 0
if is_man(discarded_tile):
first_index = 0
second_index = 8
elif is_pin(discarded_tile):
first_index = 9
second_index = 17
elif is_sou(discarded_tile):
first_index = 18
second_index = 26
if second_index == 0:
# honor tiles
if new_closed_hand_34[discarded_tile] == 3:
combinations = [[[discarded_tile] * 3]]
else:
# to avoid not necessary calculations
# we can check only tiles around +-2 discarded tile
first_limit = discarded_tile - 2
if first_limit < first_index:
first_limit = first_index
second_limit = discarded_tile + 2
if second_limit > second_index:
second_limit = second_index
combinations = self.hand_divider.find_valid_combinations(new_closed_hand_34,
first_limit,
second_limit, True)
# Reduce combinations to list of melds
if combinations:
combinations = combinations[0]
# Verify that a meld can be called
possible_melds = []
for meld_34 in combinations:
# we can call pon from everyone
if is_pon(meld_34) and discarded_tile in meld_34:
if meld_34 not in possible_melds:
possible_melds.append(meld_34)
# we can call chi only from left player
if is_chi(meld_34) and is_kamicha_discard and discarded_tile in meld_34:
if meld_34 not in possible_melds:
possible_melds.append(meld_34)
# For each possible meld, check if calling it and discarding can improve shanten
new_shanten = float('inf')
discard_136 = None
tiles = None
for meld_34 in possible_melds:
shanten, disc = self.meldDiscard(meld_34, tile)
if shanten < new_shanten:
new_shanten, discard_136 = shanten, disc
tiles = meld_34
# If shanten can be improved by calling meld, call it
if new_shanten < old_shanten:
meld = Meld()
meld.type = is_chi(tiles) and Meld.CHI or Meld.PON
# convert meld tiles back to 136 format for Meld type return
# find them in a copy of the closed hand and remove
tiles.remove(discarded_tile)
first_tile = TilesConverter.find_34_tile_in_136_array(tiles[0], closed_hand)
closed_hand.remove(first_tile)
second_tile = TilesConverter.find_34_tile_in_136_array(tiles[1], closed_hand)
closed_hand.remove(second_tile)
tiles_136 = [
first_tile,
second_tile,
tile
]
discard_136 = TilesConverter.find_34_tile_in_136_array(discard_136 // 4, closed_hand)
meld.tiles = sorted(tiles_136)
return meld, discard_136
return None, None
def estimate_hand_value(
self,
tiles,
win_tile,
melds=None,
dora_indicators=None,
config=None,
scores_calculator_factory=ScoresCalculator,
use_hand_divider_cache=False,
):
"""
:param tiles: array with 14 tiles in 136-tile format
:param win_tile: 136 format tile that caused win (ron or tsumo)
:param melds: array with Meld objects
:param dora_indicators: array of tiles in 136-tile format
:param config: HandConfig object
:param use_hand_divider_cache: could be useful if you are calculating a lot of menchin hands
:return: HandResponse object
"""
if not melds:
melds = []
if not dora_indicators:
dora_indicators = []
self.config = config or HandConfig()
agari = Agari()
hand_yaku = []
scores_calculator = scores_calculator_factory()
tiles_34 = TilesConverter.to_34_array(tiles)
fu_calculator = FuCalculator()
is_aotenjou = isinstance(scores_calculator, Aotenjou)
opened_melds = [x.tiles_34 for x in melds if x.opened]
all_melds = [x.tiles_34 for x in melds]
is_open_hand = len(opened_melds) > 0
# special situation
if self.config.is_nagashi_mangan:
hand_yaku.append(self.config.yaku.nagashi_mangan)
fu = 30
han = self.config.yaku.nagashi_mangan.han_closed
cost = scores_calculator.calculate_scores(han, fu, self.config,
False)
return HandResponse(cost, han, fu, hand_yaku)
if win_tile not in tiles:
return HandResponse(error=HandCalculator.ERR_NO_WINNING_TILE)
if self.config.is_riichi and not self.config.is_daburu_riichi and is_open_hand:
return HandResponse(error=HandCalculator.ERR_OPEN_HAND_RIICHI)
if self.config.is_daburu_riichi and is_open_hand:
return HandResponse(error=HandCalculator.ERR_OPEN_HAND_DABURI)
if self.config.is_ippatsu and not self.config.is_riichi and not self.config.is_daburu_riichi:
return HandResponse(
error=HandCalculator.ERR_IPPATSU_WITHOUT_RIICHI)
if self.config.is_chankan and self.config.is_tsumo:
return HandResponse(error=HandCalculator.ERR_CHANKAN_WITH_TSUMO)
if self.config.is_rinshan and not self.config.is_tsumo:
return HandResponse(error=HandCalculator.ERR_RINSHAN_WITHOUT_TSUMO)
if self.config.is_haitei and not self.config.is_tsumo:
return HandResponse(error=HandCalculator.ERR_HAITEI_WITHOUT_TSUMO)
if self.config.is_houtei and self.config.is_tsumo:
return HandResponse(error=HandCalculator.ERR_HOUTEI_WITH_TSUMO)
if self.config.is_haitei and self.config.is_rinshan:
return HandResponse(error=HandCalculator.ERR_HAITEI_WITH_RINSHAN)
if self.config.is_houtei and self.config.is_chankan:
return HandResponse(error=HandCalculator.ERR_HOUTEI_WITH_CHANKAN)
# raise error only when player wind is defined (and is *not* EAST)
if self.config.is_tenhou and self.config.player_wind and not self.config.is_dealer:
return HandResponse(error=HandCalculator.ERR_TENHOU_NOT_AS_DEALER)
if self.config.is_tenhou and not self.config.is_tsumo:
return HandResponse(error=HandCalculator.ERR_TENHOU_WITHOUT_TSUMO)
if self.config.is_tenhou and melds:
return HandResponse(error=HandCalculator.ERR_TENHOU_WITH_MELD)
# raise error only when player wind is defined (and is EAST)
if self.config.is_chiihou and self.config.player_wind and self.config.is_dealer:
return HandResponse(error=HandCalculator.ERR_CHIIHOU_AS_DEALER)
if self.config.is_chiihou and not self.config.is_tsumo:
return HandResponse(error=HandCalculator.ERR_CHIIHOU_WITHOUT_TSUMO)
if self.config.is_chiihou and melds:
return HandResponse(error=HandCalculator.ERR_CHIIHOU_WITH_MELD)
# raise error only when player wind is defined (and is EAST)
if self.config.is_renhou and self.config.player_wind and self.config.is_dealer:
return HandResponse(error=HandCalculator.ERR_RENHOU_AS_DEALER)
if self.config.is_renhou and self.config.is_tsumo:
return HandResponse(error=HandCalculator.ERR_RENHOU_WITH_TSUMO)
if self.config.is_renhou and melds:
return HandResponse(error=HandCalculator.ERR_RENHOU_WITH_MELD)
if not agari.is_agari(tiles_34, all_melds):
return HandResponse(error=HandCalculator.ERR_HAND_NOT_WINNING)
if not self.config.options.has_double_yakuman:
self.config.yaku.daburu_kokushi.han_closed = 13
self.config.yaku.suuankou_tanki.han_closed = 13
self.config.yaku.daburu_chuuren_poutou.han_closed = 13
self.config.yaku.daisuushi.han_closed = 13
self.config.yaku.daisuushi.han_open = 13
hand_options = self.divider.divide_hand(
tiles_34, melds, use_cache=use_hand_divider_cache)
calculated_hands = []
for hand in hand_options:
is_chiitoitsu = self.config.yaku.chiitoitsu.is_condition_met(hand)
valued_tiles = [
HAKU, HATSU, CHUN, self.config.player_wind,
self.config.round_wind
]
win_groups = self._find_win_groups(win_tile, hand, opened_melds)
for win_group in win_groups:
cost = None
error = None
hand_yaku = []
han = 0
fu_details, fu = fu_calculator.calculate_fu(
hand, win_tile, win_group, self.config, valued_tiles,
melds)
is_pinfu = len(
fu_details) == 1 and not is_chiitoitsu and not is_open_hand
pon_sets = [x for x in hand if is_pon(x)]
kan_sets = [x for x in hand if is_kan(x)]
chi_sets = [x for x in hand if is_chi(x)]
if self.config.is_tsumo:
if not is_open_hand:
hand_yaku.append(self.config.yaku.tsumo)
if is_pinfu:
hand_yaku.append(self.config.yaku.pinfu)
# let's skip hand that looks like chitoitsu, but it contains open sets
if is_chiitoitsu and is_open_hand:
continue
if is_chiitoitsu:
hand_yaku.append(self.config.yaku.chiitoitsu)
is_daisharin = self.config.yaku.daisharin.is_condition_met(
hand, self.config.options.has_daisharin_other_suits)
if self.config.options.has_daisharin and is_daisharin:
self.config.yaku.daisharin.rename(hand)
hand_yaku.append(self.config.yaku.daisharin)
if self.config.options.has_daichisei and self.config.yaku.daichisei.is_condition_met(
hand):
hand_yaku.append(self.config.yaku.daichisei)
is_tanyao = self.config.yaku.tanyao.is_condition_met(hand)
if is_open_hand and not self.config.options.has_open_tanyao:
is_tanyao = False
if is_tanyao:
hand_yaku.append(self.config.yaku.tanyao)
if self.config.is_riichi and not self.config.is_daburu_riichi:
if self.config.is_open_riichi:
hand_yaku.append(self.config.yaku.open_riichi)
else:
hand_yaku.append(self.config.yaku.riichi)
if self.config.is_daburu_riichi:
if self.config.is_open_riichi:
hand_yaku.append(self.config.yaku.daburu_open_riichi)
else:
hand_yaku.append(self.config.yaku.daburu_riichi)
if (not self.config.is_tsumo
and self.config.options.has_sashikomi_yakuman and
((self.config.yaku.daburu_open_riichi in hand_yaku) or
(self.config.yaku.open_riichi in hand_yaku))):
hand_yaku.append(self.config.yaku.sashikomi)
if self.config.is_ippatsu:
hand_yaku.append(self.config.yaku.ippatsu)
if self.config.is_rinshan:
hand_yaku.append(self.config.yaku.rinshan)
if self.config.is_chankan:
hand_yaku.append(self.config.yaku.chankan)
if self.config.is_haitei:
hand_yaku.append(self.config.yaku.haitei)
if self.config.is_houtei:
hand_yaku.append(self.config.yaku.houtei)
if self.config.is_renhou:
if self.config.options.renhou_as_yakuman:
hand_yaku.append(self.config.yaku.renhou_yakuman)
else:
hand_yaku.append(self.config.yaku.renhou)
if self.config.is_tenhou:
hand_yaku.append(self.config.yaku.tenhou)
if self.config.is_chiihou:
hand_yaku.append(self.config.yaku.chiihou)
if self.config.yaku.honitsu.is_condition_met(hand):
hand_yaku.append(self.config.yaku.honitsu)
if self.config.yaku.chinitsu.is_condition_met(hand):
hand_yaku.append(self.config.yaku.chinitsu)
if self.config.yaku.tsuisou.is_condition_met(hand):
hand_yaku.append(self.config.yaku.tsuisou)
if self.config.yaku.honroto.is_condition_met(hand):
hand_yaku.append(self.config.yaku.honroto)
if self.config.yaku.chinroto.is_condition_met(hand):
hand_yaku.append(self.config.yaku.chinroto)
if self.config.yaku.ryuisou.is_condition_met(hand):
hand_yaku.append(self.config.yaku.ryuisou)
if self.config.paarenchan > 0 and not self.config.options.paarenchan_needs_yaku:
# if no yaku is even needed to win on paarenchan and it is paarenchan condition, just add paarenchan
self.config.yaku.paarenchan.set_paarenchan_count(
self.config.paarenchan)
hand_yaku.append(self.config.yaku.paarenchan)
# small optimization, try to detect yaku with chi required sets only if we have chi sets in hand
if len(chi_sets):
if self.config.yaku.chantai.is_condition_met(hand):
hand_yaku.append(self.config.yaku.chantai)
if self.config.yaku.junchan.is_condition_met(hand):
hand_yaku.append(self.config.yaku.junchan)
if self.config.yaku.ittsu.is_condition_met(hand):
hand_yaku.append(self.config.yaku.ittsu)
if not is_open_hand:
if self.config.yaku.ryanpeiko.is_condition_met(hand):
hand_yaku.append(self.config.yaku.ryanpeiko)
elif self.config.yaku.iipeiko.is_condition_met(hand):
hand_yaku.append(self.config.yaku.iipeiko)
if self.config.yaku.sanshoku.is_condition_met(hand):
hand_yaku.append(self.config.yaku.sanshoku)
# small optimization, try to detect yaku with pon required sets only if we have pon sets in hand
if len(pon_sets) or len(kan_sets):
if self.config.yaku.toitoi.is_condition_met(hand):
hand_yaku.append(self.config.yaku.toitoi)
if self.config.yaku.sanankou.is_condition_met(
hand, win_tile, melds, self.config.is_tsumo):
hand_yaku.append(self.config.yaku.sanankou)
if self.config.yaku.sanshoku_douko.is_condition_met(hand):
hand_yaku.append(self.config.yaku.sanshoku_douko)
if self.config.yaku.shosangen.is_condition_met(hand):
hand_yaku.append(self.config.yaku.shosangen)
if self.config.yaku.haku.is_condition_met(hand):
hand_yaku.append(self.config.yaku.haku)
if self.config.yaku.hatsu.is_condition_met(hand):
hand_yaku.append(self.config.yaku.hatsu)
if self.config.yaku.chun.is_condition_met(hand):
hand_yaku.append(self.config.yaku.chun)
if self.config.yaku.east.is_condition_met(
hand, self.config.player_wind,
self.config.round_wind):
if self.config.player_wind == EAST:
hand_yaku.append(self.config.yaku.yakuhai_place)
if self.config.round_wind == EAST:
hand_yaku.append(self.config.yaku.yakuhai_round)
if self.config.yaku.south.is_condition_met(
hand, self.config.player_wind,
self.config.round_wind):
if self.config.player_wind == SOUTH:
hand_yaku.append(self.config.yaku.yakuhai_place)
if self.config.round_wind == SOUTH:
hand_yaku.append(self.config.yaku.yakuhai_round)
if self.config.yaku.west.is_condition_met(
hand, self.config.player_wind,
self.config.round_wind):
if self.config.player_wind == WEST:
hand_yaku.append(self.config.yaku.yakuhai_place)
if self.config.round_wind == WEST:
hand_yaku.append(self.config.yaku.yakuhai_round)
if self.config.yaku.north.is_condition_met(
hand, self.config.player_wind,
self.config.round_wind):
if self.config.player_wind == NORTH:
hand_yaku.append(self.config.yaku.yakuhai_place)
if self.config.round_wind == NORTH:
hand_yaku.append(self.config.yaku.yakuhai_round)
if self.config.yaku.daisangen.is_condition_met(hand):
hand_yaku.append(self.config.yaku.daisangen)
if self.config.yaku.shosuushi.is_condition_met(hand):
hand_yaku.append(self.config.yaku.shosuushi)
if self.config.yaku.daisuushi.is_condition_met(hand):
hand_yaku.append(self.config.yaku.daisuushi)
# closed kan can't be used in chuuren_poutou
if not len(
melds
) and self.config.yaku.chuuren_poutou.is_condition_met(
hand):
if tiles_34[win_tile // 4] == 2 or tiles_34[win_tile //
4] == 4:
hand_yaku.append(
self.config.yaku.daburu_chuuren_poutou)
else:
hand_yaku.append(self.config.yaku.chuuren_poutou)
if not is_open_hand and self.config.yaku.suuankou.is_condition_met(
hand, win_tile, self.config.is_tsumo):
if tiles_34[win_tile // 4] == 2:
hand_yaku.append(self.config.yaku.suuankou_tanki)
else:
hand_yaku.append(self.config.yaku.suuankou)
if self.config.yaku.sankantsu.is_condition_met(
hand, melds):
hand_yaku.append(self.config.yaku.sankantsu)
if self.config.yaku.suukantsu.is_condition_met(
hand, melds):
hand_yaku.append(self.config.yaku.suukantsu)
if self.config.paarenchan > 0 and self.config.options.paarenchan_needs_yaku and len(
hand_yaku) > 0:
# we waited until here to add paarenchan yakuman only if there is any other yaku
self.config.yaku.paarenchan.set_paarenchan_count(
self.config.paarenchan)
hand_yaku.append(self.config.yaku.paarenchan)
# yakuman is not connected with other yaku
yakuman_list = [x for x in hand_yaku if x.is_yakuman]
if yakuman_list:
if not is_aotenjou:
hand_yaku = yakuman_list
else:
scores_calculator.aotenjou_filter_yaku(
hand_yaku, self.config)
yakuman_list = []
# calculate han
for item in hand_yaku:
if is_open_hand and item.han_open:
han += item.han_open
else:
han += item.han_closed
if han == 0:
error = HandCalculator.ERR_NO_YAKU
cost = None
# we don't need to add dora to yakuman
if not yakuman_list:
tiles_for_dora = tiles[:]
count_of_dora = 0
count_of_aka_dora = 0
for tile in tiles_for_dora:
count_of_dora += plus_dora(tile, dora_indicators)
for tile in tiles_for_dora:
if is_aka_dora(tile, self.config.options.has_aka_dora):
count_of_aka_dora += 1
if count_of_dora:
self.config.yaku.dora.han_open = count_of_dora
self.config.yaku.dora.han_closed = count_of_dora
hand_yaku.append(self.config.yaku.dora)
han += count_of_dora
if count_of_aka_dora:
self.config.yaku.aka_dora.han_open = count_of_aka_dora
self.config.yaku.aka_dora.han_closed = count_of_aka_dora
hand_yaku.append(self.config.yaku.aka_dora)
han += count_of_aka_dora
if not is_aotenjou and (
self.config.options.limit_to_sextuple_yakuman
and han > 78):
han = 78
if fu == 0 and is_aotenjou:
fu = 40
if not error:
cost = scores_calculator.calculate_scores(
han, fu, self.config,
len(yakuman_list) > 0)
calculated_hand = {
"cost": cost,
"error": error,
"hand_yaku": hand_yaku,
"han": han,
"fu": fu,
"fu_details": fu_details,
}
calculated_hands.append(calculated_hand)
# exception hand
if not is_open_hand and self.config.yaku.kokushi.is_condition_met(
None, tiles_34):
if tiles_34[win_tile // 4] == 2:
hand_yaku.append(self.config.yaku.daburu_kokushi)
else:
hand_yaku.append(self.config.yaku.kokushi)
if not self.config.is_tsumo and self.config.options.has_sashikomi_yakuman:
if self.config.is_riichi and not self.config.is_daburu_riichi:
if self.config.is_open_riichi:
hand_yaku.append(self.config.yaku.sashikomi)
if self.config.is_daburu_riichi:
if self.config.is_open_riichi:
hand_yaku.append(self.config.yaku.sashikomi)
if self.config.is_renhou and self.config.options.renhou_as_yakuman:
hand_yaku.append(self.config.yaku.renhou_yakuman)
if self.config.is_tenhou:
hand_yaku.append(self.config.yaku.tenhou)
if self.config.is_chiihou:
hand_yaku.append(self.config.yaku.chiihou)
if self.config.paarenchan > 0:
self.config.yaku.paarenchan.set_paarenchan_count(
self.config.paarenchan)
hand_yaku.append(self.config.yaku.paarenchan)
# calculate han
han = 0
for item in hand_yaku:
if is_open_hand and item.han_open:
han += item.han_open
else:
han += item.han_closed
fu = 0
if is_aotenjou:
if self.config.is_tsumo:
fu = 30
else:
fu = 40
tiles_for_dora = tiles[:]
count_of_dora = 0
count_of_aka_dora = 0
for tile in tiles_for_dora:
count_of_dora += plus_dora(tile, dora_indicators)
for tile in tiles_for_dora:
if is_aka_dora(tile, self.config.options.has_aka_dora):
count_of_aka_dora += 1
if count_of_dora:
self.config.yaku.dora.han_open = count_of_dora
self.config.yaku.dora.han_closed = count_of_dora
hand_yaku.append(self.config.yaku.dora)
han += count_of_dora
if count_of_aka_dora:
self.config.yaku.aka_dora.han_open = count_of_aka_dora
self.config.yaku.aka_dora.han_closed = count_of_aka_dora
hand_yaku.append(self.config.yaku.aka_dora)
han += count_of_aka_dora
cost = scores_calculator.calculate_scores(han, fu, self.config,
len(hand_yaku) > 0)
calculated_hands.append({
"cost": cost,
"error": None,
"hand_yaku": hand_yaku,
"han": han,
"fu": fu,
"fu_details": []
})
# let's use cost for most expensive hand
calculated_hands = sorted(calculated_hands,
key=lambda x: (x["han"], x["fu"]),
reverse=True)
calculated_hand = calculated_hands[0]
cost = calculated_hand["cost"]
error = calculated_hand["error"]
hand_yaku = calculated_hand["hand_yaku"]
han = calculated_hand["han"]
fu = calculated_hand["fu"]
fu_details = calculated_hand["fu_details"]
return HandResponse(cost, han, fu, hand_yaku, error, fu_details,
is_open_hand)
def estimate_hand_value(self,
tiles,
win_tile,
is_tsumo=False,
is_riichi=False,
is_dealer=False,
is_ippatsu=False,
is_rinshan=False,
is_chankan=False,
is_haitei=False,
is_houtei=False,
is_daburu_riichi=False,
is_nagashi_mangan=False,
is_tenhou=False,
is_renhou=False,
is_chiihou=False,
open_sets=None,
dora_indicators=None,
called_kan_indices=None,
player_wind=None,
round_wind=None):
"""
:param tiles: array with 14 tiles in 136-tile format
:param win_tile: tile that caused win (ron or tsumo)
:param is_tsumo:
:param is_riichi:
:param is_dealer:
:param is_ippatsu:
:param is_rinshan:
:param is_chankan:
:param is_haitei:
:param is_houtei:
:param is_tenhou:
:param is_renhou:
:param is_chiihou:
:param is_daburu_riichi:
:param is_nagashi_mangan:
:param open_sets: array of array with open sets in 136-tile format
:param dora_indicators: array of tiles in 136-tile format
:param called_kan_indices: array of tiles in 136-tile format
:param player_wind: index of player wind
:param round_wind: index of round wind
:return: The dictionary with hand cost or error response
{"cost": {'main': 1000, 'additional': 0}, "han": 1, "fu": 30, "error": None, "hand_yaku": []}
{"cost": None, "han": 0, "fu": 0, "error": "Hand is not valid", "hand_yaku": []}
"""
if not open_sets:
open_sets = []
else:
# cast 136 format to 34 format
for item in open_sets:
item[0] //= 4
item[1] //= 4
item[2] //= 4
is_open_hand = len(open_sets) > 0
if not dora_indicators:
dora_indicators = []
kan_indices_136 = []
if not called_kan_indices:
called_kan_indices = []
else:
kan_indices_136 = called_kan_indices
called_kan_indices = [x // 4 for x in called_kan_indices]
agari = Agari()
cost = None
error = None
hand_yaku = []
han = 0
fu = 0
def return_response():
return {
'cost': cost,
'error': error,
'han': han,
'fu': fu,
'hand_yaku': hand_yaku
}
# special situation
if is_nagashi_mangan:
hand_yaku.append(yaku.nagashi_mangan)
fu = 30
han = yaku.nagashi_mangan.han['closed']
cost = self.calculate_scores(han, fu, is_tsumo, is_dealer)
return return_response()
if win_tile not in tiles:
error = "Win tile not in the hand"
return return_response()
if is_riichi and is_open_hand:
error = "Riichi can't be declared with open hand"
return return_response()
if is_ippatsu and is_open_hand:
error = "Ippatsu can't be declared with open hand"
return return_response()
if is_ippatsu and not is_riichi and not is_daburu_riichi:
error = "Ippatsu can't be declared without riichi"
return return_response()
tiles_34 = TilesConverter.to_34_array(tiles)
divider = HandDivider()
if not agari.is_agari(tiles_34):
error = 'Hand is not winning'
return return_response()
hand_options = divider.divide_hand(tiles_34, open_sets,
called_kan_indices)
calculated_hands = []
for hand in hand_options:
cost = None
error = None
hand_yaku = []
han = 0
fu = 0
if is_tsumo or is_open_hand:
fu += 20
else:
fu += 30
pon_sets = [x for x in hand if is_pon(x)]
chi_sets = [x for x in hand if is_chi(x)]
additional_fu = self.calculate_additional_fu(
win_tile, hand, is_tsumo, player_wind, round_wind, open_sets,
called_kan_indices)
if additional_fu == 0 and len(chi_sets) == 4:
"""
- A hand without pon and kan sets, so it should contains all sequences and a pair
- The pair should be not valued
- The waiting must be an open wait (on 2 different tiles)
- Hand should be closed
"""
if is_open_hand:
fu += 2
is_pinfu = False
else:
is_pinfu = True
else:
fu += additional_fu
is_pinfu = False
if is_tsumo:
if not is_open_hand:
hand_yaku.append(yaku.tsumo)
# pinfu + tsumo always is 20 fu
if not is_pinfu:
fu += 2
if is_pinfu:
hand_yaku.append(yaku.pinfu)
is_chitoitsu = self.is_chitoitsu(hand)
# let's skip hand that looks like chitoitsu, but it contains open sets
if is_chitoitsu and is_open_hand:
continue
if is_chitoitsu:
hand_yaku.append(yaku.chiitoitsu)
is_tanyao = self.is_tanyao(hand)
if is_open_hand and not settings.OPEN_TANYAO:
is_tanyao = False
if is_tanyao:
hand_yaku.append(yaku.tanyao)
if is_riichi and not is_daburu_riichi:
hand_yaku.append(yaku.riichi)
if is_daburu_riichi:
hand_yaku.append(yaku.daburu_riichi)
if is_ippatsu:
hand_yaku.append(yaku.ippatsu)
if is_rinshan:
hand_yaku.append(yaku.rinshan)
if is_chankan:
hand_yaku.append(yaku.chankan)
if is_haitei:
hand_yaku.append(yaku.haitei)
if is_houtei:
hand_yaku.append(yaku.houtei)
if is_renhou:
hand_yaku.append(yaku.renhou)
if is_tenhou:
hand_yaku.append(yaku.tenhou)
if is_chiihou:
hand_yaku.append(yaku.chiihou)
if self.is_honitsu(hand):
hand_yaku.append(yaku.honitsu)
if self.is_chinitsu(hand):
hand_yaku.append(yaku.chinitsu)
if self.is_tsuisou(hand):
hand_yaku.append(yaku.tsuisou)
if self.is_honroto(hand):
hand_yaku.append(yaku.honroto)
if self.is_chinroto(hand):
hand_yaku.append(yaku.chinroto)
# small optimization, try to detect yaku with chi required sets only if we have chi sets in hand
if len(chi_sets):
if self.is_chanta(hand):
hand_yaku.append(yaku.chanta)
if self.is_junchan(hand):
hand_yaku.append(yaku.junchan)
if self.is_ittsu(hand):
hand_yaku.append(yaku.ittsu)
if not is_open_hand:
if self.is_ryanpeiko(hand):
hand_yaku.append(yaku.ryanpeiko)
elif self.is_iipeiko(hand):
hand_yaku.append(yaku.iipeiko)
if self.is_sanshoku(hand):
hand_yaku.append(yaku.sanshoku)
# small optimization, try to detect yaku with pon required sets only if we have pon sets in hand
if len(pon_sets):
if self.is_toitoi(hand):
hand_yaku.append(yaku.toitoi)
if self.is_sanankou(win_tile, hand, open_sets, is_tsumo):
hand_yaku.append(yaku.sanankou)
if self.is_sanshoku_douko(hand):
hand_yaku.append(yaku.sanshoku_douko)
if self.is_shosangen(hand):
hand_yaku.append(yaku.shosangen)
if self.is_haku(hand):
hand_yaku.append(yaku.haku)
if self.is_hatsu(hand):
hand_yaku.append(yaku.hatsu)
if self.is_chun(hand):
hand_yaku.append(yaku.hatsu)
if self.is_east(hand, player_wind, round_wind):
if player_wind == EAST:
hand_yaku.append(yaku.yakuhai_place)
if round_wind == EAST:
hand_yaku.append(yaku.yakuhai_round)
if self.is_south(hand, player_wind, round_wind):
if player_wind == SOUTH:
hand_yaku.append(yaku.yakuhai_place)
if round_wind == SOUTH:
hand_yaku.append(yaku.yakuhai_round)
if self.is_west(hand, player_wind, round_wind):
if player_wind == WEST:
hand_yaku.append(yaku.yakuhai_place)
if round_wind == WEST:
hand_yaku.append(yaku.yakuhai_round)
if self.is_north(hand, player_wind, round_wind):
if player_wind == NORTH:
hand_yaku.append(yaku.yakuhai_place)
if round_wind == NORTH:
hand_yaku.append(yaku.yakuhai_round)
if self.is_daisangen(hand):
hand_yaku.append(yaku.daisangen)
if self.is_shosuushi(hand):
hand_yaku.append(yaku.shosuushi)
if self.is_daisuushi(hand):
hand_yaku.append(yaku.daisuushi)
if self.is_ryuisou(hand):
hand_yaku.append(yaku.ryuisou)
if not is_open_hand and self.is_chuuren_poutou(hand):
if tiles_34[win_tile // 4] == 2:
hand_yaku.append(yaku.daburu_chuuren_poutou)
else:
hand_yaku.append(yaku.chuuren_poutou)
if not is_open_hand and self.is_suuankou(
win_tile, hand, is_tsumo):
if tiles_34[win_tile // 4] == 2:
hand_yaku.append(yaku.suuankou_tanki)
else:
hand_yaku.append(yaku.suuankou)
if self.is_sankantsu(hand, called_kan_indices):
hand_yaku.append(yaku.sankantsu)
if self.is_suukantsu(hand, called_kan_indices):
hand_yaku.append(yaku.suukantsu)
# chitoitsu is always 25 fu
if is_chitoitsu:
fu = 25
tiles_for_dora = tiles + kan_indices_136
count_of_dora = 0
count_of_aka_dora = 0
for tile in tiles_for_dora:
count_of_dora += plus_dora(tile, dora_indicators)
for tile in tiles_for_dora:
if is_aka_dora(tile):
count_of_aka_dora += 1
if count_of_dora:
yaku_item = yaku.dora
yaku_item.han['open'] = count_of_dora
yaku_item.han['closed'] = count_of_dora
hand_yaku.append(yaku_item)
if count_of_aka_dora:
yaku_item = yaku.aka_dora
yaku_item.han['open'] = count_of_aka_dora
yaku_item.han['closed'] = count_of_aka_dora
hand_yaku.append(yaku_item)
# yakuman is not connected with other yaku
yakuman_list = [x for x in hand_yaku if x.is_yakuman]
if yakuman_list:
hand_yaku = yakuman_list
# calculate han
for item in hand_yaku:
if is_open_hand and item.han['open']:
han += item.han['open']
else:
han += item.han['closed']
# round up
# 22 -> 30 and etc.
if fu != 25:
fu = int(math.ceil(fu / 10.0)) * 10
if han == 0 or (han == 1 and fu < 30):
error = 'Not valid han ({0}) and fu ({1})'.format(han, fu)
cost = None
else:
cost = self.calculate_scores(han, fu, is_tsumo, is_dealer)
calculated_hand = {
'cost': cost,
'error': error,
'hand_yaku': hand_yaku,
'han': han,
'fu': fu
}
calculated_hands.append(calculated_hand)
# exception hand
if not is_open_hand and self.is_kokushi(tiles_34):
if tiles_34[win_tile // 4] == 2:
han = yaku.daburu_kokushi.han['closed']
else:
han = yaku.kokushi.han['closed']
fu = 0
cost = self.calculate_scores(han, fu, is_tsumo, is_dealer)
calculated_hands.append({
'cost': cost,
'error': None,
'hand_yaku': [yaku.kokushi],
'han': han,
'fu': fu
})
# let's use cost for most expensive hand
calculated_hands = sorted(calculated_hands,
key=lambda x: (x['han'], x['fu']),
reverse=True)
calculated_hand = calculated_hands[0]
cost = calculated_hand['cost']
error = calculated_hand['error']
hand_yaku = calculated_hand['hand_yaku']
han = calculated_hand['han']
fu = calculated_hand['fu']
return return_response()
