class Dealer(Player):
def __init__(self,
name='Bob the dealer',
money=1000000,
delay=1,
verbose=True):
super().__init__(name, money)
self._playingPlayers = []
self._playersWithInsurance = []
self._shoe = Shoe()
self.delay = delay
self.isVerbose = verbose
def sit(self, table):
"""Override the player sit method. so that the dealer sits on the right side of the table."""
self._table = table
table.add_dealer(self)
def bet_or_leave(self):
"""
At the start of each round the player can either bet by entering an amount
to bet, sit this hand out by entering 0 for a bet, or leave the table by
entering -1.
"""
#
# The dealer will not be in the list of players, so this method will not be
# called on the dealer.
#
pass
def wants_insurance(self):
"""
Returns True if the player should buy insurance else return False.
This procedure is called by the dealer after all players have bet and
receives their cards and after the dealer has received his cards. It is
only called if the dealer is showing an ace (the dealer might have blackjack).
"""
#
# The dealer will not be in the list of players, so this method will not be
# called on the dealer.
#
pass
def play(self, hand, dealerShowing):
"""
Returns the player's action for this hand. The dealer calls this method
repeatedly for each of the player's hands until all hands are completed.
Valid return values are listed below. Note that two values are returned:
choice: one of the plays listeded below
additionalBet: the amount to "double down" by
additionalBet is discarded by the caller in all other cases.
allPlays = {'s': '[S]tand',
'h': '[H]it',
'd': '[D]ouble down',
'p': 's[P]lit',
'u': 's[U]rrender'}
return choice, additionalBet
"""
if hand.value() < 17:
choice = 'h' #hit
else:
choice = 's' #stand
additionalBet = None
return choice, additionalBet
def switch_shoe(self, shoe):
"""
When we run a simulation instead of a game, we want to make sure that all of
dealers are using the same shoe and switching shoes at the same time.
:param shoe: a preshuffled shoe, ready to be delt from.
:type shoe: Shoe
:return:
"""
self._shoe = shoe
for player in self._table.players:
player.reset_count()
def take_bets(self):
sleep(self.delay)
if self.isVerbose: print('\n---betting---')
self._playingPlayers = []
leavingPlayers = []
for player in self._table.players:
#
# = -1: player is leaving the table
# = 0: players is sitting this hand out
# > 0: player is betting this amount
#
if self.isVerbose: print(f'\n{player}')
betAmount = player.bet_or_leave()
name = player.name.capitalize()
minimumBet = 1
if betAmount == -1 or player.money < 1: # leaving table
leavingPlayers.append(player)
if self.isVerbose:
print(
f"{name} is leaving the table with ${player.money:0.2f}."
)
elif betAmount == 0:
if self.isVerbose: print(f"{name} is sitting this hand out.")
elif betAmount > 0 and player.money >= betAmount:
if betAmount < minimumBet:
betAmount = minimumBet
if betAmount > player.money:
betAmount = player.money
self._playingPlayers.append(player)
player.rake_out(betAmount)
self.rake_in(betAmount)
player.add_hand(Hand(betAmount))
player.handsPlayed += 1
player.totalWagers += betAmount
if self.isVerbose:
print(f"{name} is betting ${betAmount:0.2f}.")
else:
raise ValueError(
f"{player} doesn't have enough money to bet ${betAmount:0.2f}."
)
for player in leavingPlayers:
self._table.leave_table(player)
def show_card_to_players(self, card):
"""
Make sure that players who might be counting cards get to see
every card that is delt, not just the ones in their hands.
"""
for player in self._playingPlayers:
player.count(card)
def deal(self):
"""
Deal an initial 2 cards to each player and to the dealer.
"""
#
# Shuffle the cards if we need to.
#
if self._shoe.should_shuffle():
self._shoe.shuffle()
for player in self._table.players:
player.reset_count()
self._table.shuffling_shoe()
#
# Deal cards to each player.
#
cardsToDeal = 2
for _ in range(cardsToDeal):
for player in self._playingPlayers:
card = self._shoe.draw().flip()
player.hands[0].hit(card)
self.show_card_to_players(card)
#
# Deal yourself some cards.
#
bet = 0
self.add_hand(Hand(bet))
card = self._shoe.draw().flip()
self.hands[0].hit(card)
self.show_card_to_players(card)
self.hands[0].hit(self._shoe.draw().flip())
def offer_insurance(self):
if self.isVerbose: print('\n')
self._playersWithInsurance = []
if self.hands[0][1].name == 'ace':
for player in self._playingPlayers:
if player.wants_insurance():
self._playersWithInsurance.append(player)
player.insurance = player.hands[0].bet / 2
player.timesInsurance += 1
def play_hands(self):
"""
Loop through the players and let them choose what they want to do. Then
process that decision.
"""
playerOptions = {
's': self.player_stand,
'h': self.player_hit,
'p': self.player_split,
'd': self.player_double_down,
'u': self.player_surrender
}
if self.isVerbose: print('\n---players are playing---')
dealerShowing = self.hands[0][1]
for player in self._playingPlayers:
for hand in player.hands:
if hand.isBlackJack:
if self.isVerbose:
print(f"{player.name} has Blackjack! {hand}.")
while hand.can_hit():
sleep(self.delay)
playerDecision, additionalBet = player.play(
hand, dealerShowing)
if playerDecision.lower() in playerOptions:
which_option = playerOptions[playerDecision.lower()]
which_option(player, hand, additionalBet)
else:
if self.isVerbose:
print(
f"I'm sorry, I don't know what '{playerDecision}' means."
)
def player_stand(self, player, hand, *args):
hand.stand()
if self.isVerbose: print(f"{player.name} stands with {hand}.")
def player_hit(self, player, hand, *args):
card = self._shoe.draw().flip()
self.show_card_to_players(card)
hand.hit(card)
if self.isVerbose:
print(f"{player.name} hit and received a {card} {hand}.")
player.timesHit += 1
def player_split(self, player, hand, *args):
if hand.can_split() and player.money >= hand.bet:
self.rake_in(player.rake_out(hand.bet))
newHand = Hand(hand.bet)
newHand.hit(hand.split())
card = self._shoe.draw().flip()
self.show_card_to_players(card)
newHand.hit(card)
player.add_hand(newHand)
card = self._shoe.draw().flip()
self.show_card_to_players(card)
hand.hit(card)
if self.isVerbose:
print(
f"{player.name} split and now has: \n {hand}\n {newHand}"
)
player.timesSplit += 1
player.handsPlayed += 1
player.totalWagers += hand.bet
else:
if self.isVerbose:
print("Sorry, you can't split this hand (standing instead).")
self.player_stand(player, hand)
def player_double_down(self, player, hand, additionalBet):
if hand.can_double() and is_number(
additionalBet) and player.money >= additionalBet:
card = self._shoe.draw().flip()
self.show_card_to_players(card)
hand.double_down(card, additionalBet)
self.rake_in(player.rake_out(additionalBet))
if self.isVerbose:
print(
f"{player.name} doubled down and received a {card} {hand}."
)
player.timesDoubled += 1
player.totalWagers += additionalBet
else:
if self.isVerbose:
print("Sorry, you can't double this hand (hitting instead).")
self.player_hit(player, hand)
def player_surrender(self, player, hand, *args):
print('Sorry, surrender is not implemented (pick again).')
player.timesSurrendered += 1
#TODO Make sure dealer shows hole card to players somewhere for counting.
def play_own_hand(self):
if self.isVerbose: print('\n---dealer is playing---')
playerOptions = {'s': self.player_stand, 'h': self.player_hit}
hand = self.hands[0]
dealerShowing = hand[0]
while hand.can_hit():
playerDecision, additionalBet = self.play(hand, dealerShowing)
which_option = playerOptions[playerDecision]
which_option(self, hand, additionalBet)
def payout_hands(self):
if self.isVerbose: print('\n---results---')
dealerHand = self.hands[0]
for player in self._playingPlayers:
sleep(self.delay * 2)
for hand in player.hands:
if hand.isBusted:
winnings = 0
text = 'lost'
player.timesBusted += 1
player.timesLost += 1
player.lastHand = 'lost'
elif hand.isBlackJack and not dealerHand.isBlackJack:
winnings = hand.bet * 2.5
text = 'won (Blackjack!)'
player.timesWon += 1
player.timesBlackjack += 1
player.lastHand = 'won'
elif hand.isBlackJack and dealerHand.isBlackJack:
winnings = hand.bet
text = 'pushed (blackjack) and lost'
player.timesPushed += 1
player.timesBlackjack += 1
player.lastHand = 'pushed'
elif not hand.isBlackJack and dealerHand.isBlackJack:
winnings = 0
text = 'lost'
player.timesLost += 1
player.lastHand = 'lost'
elif hand.value() == dealerHand.value():
winnings = hand.bet
text = 'pushed and lost'
player.timesPushed += 1
player.lastHand = 'pushed'
elif dealerHand.isBusted:
winnings = hand.bet * 2
text = 'won (dealer busted)'
player.timesWon += 1
player.lastHand = 'won'
elif hand.value() > dealerHand.value():
winnings = hand.bet * 2
text = 'won'
player.timesWon += 1
player.lastHand = 'won'
elif hand.value() < dealerHand.value():
winnings = 0
text = 'lost'
player.timesLost += 1
player.lastHand = 'lost'
player.rake_in(winnings)
self.rake_out(winnings)
winnings = abs(winnings - hand.bet)
if self.isVerbose:
print(f"{player.name} {text} ${winnings:0.2f} on {hand}.")
#
# Payout any insurance bets.
#
for player in self._playersWithInsurance:
if dealerHand.isBlackJack:
winnings = player.insurance * 2
player.rake_in(winnings)
self.rake_out(winnings)
if self.isVerbose:
print(
f"{player.name} won ${player.insurance:0.2f} on the insurance bet."
)
else:
if self.isVerbose:
print(
f"{player.name} lost ${player.insurance:0.2f} on the insurance bet."
)
#
# Clear the table and get ready for the next round.
#
for player in self._playingPlayers:
player.discard_hands()
player.insurance = 0
if player._chips > player.maxMoney:
player.maxMoney = player._chips
self.discard_hands()
if self.isVerbose: print('---results complete---')
class Dealer(Player):
def __init__(self, name, money):
super().__init__(name, money)
self.shoe = Shoe()
self.players = []
# Holds bets before hands have been dealt
# We could make this a dictionary with the player's name as the key,
# but that assumes the player names are unique. Better solution would
# probably be to set bets on the Player object
self.playerBets = []
#region Dealer-specific methods
def deal_in(self, player):
"""Add a player to the dealer's table"""
self.players.append(player)
def has_players(self):
"""Returns true if the dealer is dealing to at least 1 player"""
return len(self.players) > 0
def take_bets(self):
"""Ask all players how much they want to bet. Removes them from the table if they bet -1"""
for player in self.players:
bet = player.bet_or_leave()
# Add each player's bet to a list of bets
self.playerBets.append(bet)
# Filter out players if they bet -1
self.players = [p for i, p in enumerate(self.players) if self.playerBets[i] != -1]
# Remove the -1 bets from the list of bets
self.playerBets = [b for b in self.playerBets if b != -1]
def deal(self):
"""Deal out hands to the players. Assumes we've taken bets"""
# Shuffle the shoe if it needs it
if (self.shoe.should_shuffle()):
self.shoe.shuffle()
# Deal out cards to the players
for index, player in enumerate(self.players):
bet = self.playerBets[index]
# Don't deal a hand if the player bet 0
if bet > 0:
player.rake_out(bet)
hand = Hand(bet)
for _ in range(2):
hand.hit(self.shoe.draw().flip())
player.add_hand(hand)
# Clear out playerBets, all bets are on hands now
self.playerBets = []
# Deal out cards to the dealer
dealerHand = Hand(0)
for _ in range(2):
dealerHand.hit(self.shoe.draw().flip())
# Give the dealer the hand
self.add_hand(dealerHand)
def resolve_hands(self):
dealerHand = self.hands[0]
dealerShowing = dealerHand[-1]
for player in self.players:
for hand in player.hands:
while hand.can_hit():
choice, bet = player.play(hand, dealerShowing)
if (choice == 's'):
hand.stand()
if (choice == 'h'):
hand.hit(self.shoe.draw().flip())
if (choice == 'd'):
player.rake_out(bet)
hand.double_down(self.shoe.draw().flip(), bet)
if (choice == 'p'):
player.rake_out(hand.bet)
splitHand = Hand(hand.bet)
card = hand.split()
splitHand.hit(card)
splitHand.hit(self.shoe.draw().flip())
player.add_hand(splitHand)
hand.hit(self.shoe.draw().flip())
print(f"{player.name} finishes with {hand}")
# Now that the players have played, the dealer needs to play
print("Let's see what the dealer has...")
print(f"{self.name} flips their card, showing {dealerHand}")
while dealerHand.can_hit():
self.play(dealerHand, dealerShowing)
print(f"{self.name} stands with {dealerHand}")
def payout(self):
print("Time to pay out!")
dealerHand = self.hands[0]
for player in self.players:
for hand in player.hands:
# If the player busts, they lose
if hand.isBusted:
print(f"{player.name} busts, losing ${hand.bet:,.2f}.")
self.rake_in(hand.bet)
# If the player's hand is worth less than dealer, they lose
elif hand < dealerHand:
print(f"{player.name} lost to the dealer, losing ${hand.bet:,.2f}.")
self.rake_in(hand.bet)
# If the hands are equal, the player gets their bet back
elif hand == dealerHand:
print(f"{player.name} pushed, returning their bet of ${hand.bet:,.2f}.")
player.rake_in(hand.bet)
# if player has blackjack and dealer doesn't (checked in == case), they win
elif hand.isBlackJack:
# Blackjack pays 3:2
print(f"Blackjack! {player.name} wins ${hand.bet * 1.5:,.2f}.")
player.rake_in(hand.bet + hand.bet * 1.5)
# If the player's hand is worth more than dealer, they win
elif hand > dealerHand:
# Winning pays 1:1
print(f"{player.name} beat the dealer, winning ${hand.bet:,.2f}.")
player.rake_in(hand.bet + hand.bet)
else:
raise NotImplementedError(f'Unchecked condition in payout. Player hand: {hand} Dealer: {dealerHand}.')
player._hands = []
self._hands = []
# Remove players that run out of money
for player in self.players:
if player.money <= 0:
print(f"{player.name} is out of cash. Thanks for playing!")
self.players = [p for p in self.players if p.money > 0]
#endregion
def play(self, hand, dealerShowing):
# Dealer hits on soft 17
if (hand.hard_value() >= 17):
hand.stand()
else:
hand.hit(self.shoe.draw().flip())
