def play_dealer(self):
hard, soft = get_hard_soft(self.dealer_hand)
has_soft = soft != hard
hit_if_less_than = 18 if (has_soft and self.dealer_hit_on_soft_17) else 17
while soft < hit_if_less_than:
self.dealer_hand.append(self.get_card())
hard, soft = get_hard_soft(self.dealer_hand)
if self.debug:
print("dealer done", self.dealer_hand)
return soft
def evaluate_move(self, move, hand, bet):
dh = self.dealer_hidden
if move == "stand":
if self.debug:
hard, soft = get_hard_soft(hand)
print("player stands at", soft)
if self.hands:
if self.debug:
print("MULTIPLE HANDS", self.hands)
# wait until all hands are played before dealer plays
self.deferred.append(partial(self.eval_stand, hand, bet))
self.safe_remove(hand)
return
else:
return self.eval_stand(hand, bet)
if move == "hit":
hand.append(self.get_card())
hard, soft = get_hard_soft(hand)
if self.debug:
print("player hit, now has", hand)
if hard > 21:
self.safe_remove(hand)
self.player_money -= bet
self.count_card(dh)
if self.debug:
print("player busted", hard, "loses", bet)
if self.need_to_play_dealer():
self.play_dealer()
return
move = self.get_move(hand)
self.evaluate_move(move, hand, bet)
if move == "double":
hand.append(self.get_card())
hard, soft = get_hard_soft(hand)
if self.debug:
print("player doubles, now has", hand)
if hard > 21:
self.safe_remove(hand)
self.player_money -= bet * 2
self.count_card(dh)
if self.debug:
print("player doubled and busted", hard, "loses", bet * 2)
if self.need_to_play_dealer():
self.play_dealer()
return
self.evaluate_move("stand", hand, bet * 2)
def get_move(self, hand):
# unfortunate duplication of Game.get_move FIXME
dealershows = self.game.dealershows
first = len(hand) == 2
hard, soft = get_hard_soft(hand)
can_split = first and (hand[0] == hand[1])
if can_split and bool(self.splits_left):
split = bs.basic_strategy_split[hand[0]][dealershows]
if split:
return "split"
use_hard = hard == soft
if use_hard:
move = bs.basic_strategy_hard[hard][dealershows]
else:
move = bs.basic_strategy_soft[soft][dealershows]
if self.allowed_splits is not None:
has_not_split = self.allowed_splits == self.splits_left
else:
has_not_split = self.splits_left == -1
can_double = first and (self.can_double_after_split or has_not_split)
if not can_double and move == "double":
move = "hit" if soft < 17 else "stand"
return move
def get_move(self, hand):
"""Pass in hand b/c of split"""
dealershows = self.dealershows
first = len(hand) == 2
hard, soft = get_hard_soft(hand)
can_split = first and (hand[0] == hand[1])
if can_split and bool(self.splits_left):
split = bs.basic_strategy_split[hand[0]][dealershows]
if split:
return "split"
use_hard = hard == soft
if use_hard:
move = bs.basic_strategy_hard[hard][dealershows]
else:
move = bs.basic_strategy_soft[soft][dealershows]
if self.allowed_splits is not None:
has_not_split = self.allowed_splits == self.splits_left
else:
has_not_split = self.splits_left == -1
can_double = first and (self.can_double_after_split or has_not_split)
# not quite sure about this. strategy says double
# but, we can't double - we have split and not can_double_after_split.
# or, we have more than 2 cards, so the time for doubling is over.
# I think that means we hit ... always?
# should this be configurable or is there a hard rule?
if not can_double and move == "double":
move = "hit" # if soft < 17 else "stand"
return move
def eval_stand(self, hand, bet):
hard, soft = get_hard_soft(hand)
self.count_card(self.dealer_hidden)
dealer_total = self.play_dealer()
if self.debug:
print("dealer has", dealer_total)
print("player hand", hand)
if dealer_total > 21:
self.player_money += bet
if self.debug:
print("dealer busted. adding bet=", bet)
return
elif soft > dealer_total:
self.player_money += bet
if self.debug:
print("player wins", bet)
return
elif soft == dealer_total:
if self.debug:
print("push")
return
else:
self.player_money -= bet
if self.debug:
print("player loses", bet)
return