class BankRollTest(unittest.TestCase):
def setUp(self):
self.roll = BankRoll()
def test_init(self):
roll = BankRoll(400)
self.assertEqual(roll.balance, 400, "The bankroll does not init to the proper value when an argument is passed to the constructor")
def test_inc_dec(self):
self.roll.inc(100)
self.assertEqual(self.roll.balance, 600, "The bankroll object does not inc correctly")
self.roll.dec(100)
self.assertEqual(self.roll.balance, 500, "The bankroll object does not dec correctly")
def test_has_enough(self):
self.assertTrue(self.roll.has_enough(2), "Bankroll object has_enough does not work when the balance is higher than argument")
self.assertTrue(self.roll.has_enough(-1), "Bankroll.has_enough() does not work for negative numbers")
self.assertFalse(self.roll.has_enough(1000), "Bankroll.has_enough does not work when balance is smaller than argument" )
class Game(object):
config = {'shuffle_threshold': 0.35,
'Ace' : 14,
'Face' : [11,12,13],
'default_wager': 25,
'starting_bankroll' : 500,
'num_decks': 6,
'blackjack_payout': 1.5,
'insurance_payout': 2,
'save_bankroll': True
}
def __init__(self):
self.game_state = 'Welcome'
self.game_deck = MultiDeck(Game.config['num_decks'])
self.player_hand = Hand()
self.dealer_hand = DealerHand()
self.run_flag = True
self.play_hand_container = []
if Game.config['save_bankroll']:
try:
with open('bankroll.txt' , 'r') as file:
old_balance = int(file.read())
if old_balance <= 0:
old_balance = 500
self.bank_roll = BankRoll(old_balance)
except (IOError, ValueError):
self.bank_roll = BankRoll(Game.config['starting_bankroll'])
self.run_game()
#show the count of the deck
def print_count(self):
print 'The count is ' + str(self.game_deck.deck_count()) + '....\n'
def clear_screen(self):
if os.name == 'posix':
os.system('clear')
elif os.name == 'nt':
os.system('cls')
#check to see if all hands are busts
def all_hands_busted(self):
b = 1
for h in self.play_hand_container:
b*=h.busted*1
return b
#break to keep the game pace
def game_pause(self):
print 'Press Enter to continue.'
player_input = raw_input()
#Show the hands from the perspective of a player
#if the reveal flag is set to true, it will show the
#dealer's down card
def show_state(self , msg='', reveal=False):
self.clear_screen()
print msg + '\n'
i=len(self.play_hand_container) - 1
j = 0
for h in self.play_hand_container:
s = h.show_hand()
if not(h.hand_active):
s = s + ' *'
if (i):
s = 'Hand ' + str(j) + ': ' + s
else:
s = 'Your Hand: ' + s
print s
print
j+=1
dh = ''
if reveal:
dh = self.dealer_hand.reveal_hand()
else:
dh = self.dealer_hand.show_hand()
print 'Dealer Hand: ' + dh
print
#Main Welcome Screen
def welcome_screen(self):
self.clear_screen()
print "======================="
print "Welcome to BlackJack!"
print "======================="
print
print "=======================\n"
print 'Some info:\n'
print 'Cards are shown as (K of D)'
print 'The first letter or number is the card value, the second is the suit\n'
print 'D = Diamonds, S = Spades, C = Clubs, H = Hearts\n'
print
print 'Additional Rules:'
print '* Insurance pays ' +str(Game.config['insurance_payout']) + ':1, and is for half the size of your bet'
print '* Dealer stands on soft 17s'
print '* There are no surrenders'
print "=======================\n"
self.game_pause()
#Game over screen
def game_over_screen(self):
self.game_pause()
self.run_flag = False
self.clear_screen()
print "=======================\n"
print "Game Over"
print "Thank you for playing!\n"
print "=======================\n"
if Game.config['save_bankroll']:
try:
with open('bankroll.txt', 'w') as file:
file.write(str(self.bank_roll.balance))
except (IOError):
pass
#Take the input from a bet and do some logic
def bet_input(self):
self.clear_screen()
bet_ok = False
self.bank_roll.print_bank_roll()
while not(bet_ok):
bet_input = raw_input('What is your bet? (Default is ' + str(Game.config['default_wager']) + '): ')
try:
bet_int = int(bet_input)
if bet_int > self.bank_roll.balance:
print 'You do not have that much cash!\nPlease try again.'
elif bet_int == 0:
print 'You must bet something'
elif bet_int < 0:
print "Why, aren't you clever. Please try again"
else:
self.player_hand.wager = bet_int
bet_ok = True
except ValueError:
if bet_input.upper() == 'Q':
print 'Quitting game...'
self.game_state = 'GameOver'
return None
elif bet_input == '*':
self.print_count()
else:
self.player_hand.wager = Game.config['default_wager']
bet_ok = True
self.clear_screen()
print 'You have bet ' + str(self.player_hand.wager),
return self.player_hand.wager
#Deal the hand in the right order
def start_hand(self):
if (self.game_deck.percent_cards_remaining() < Game.config['shuffle_threshold']):
print '\nReshuffling deck...\n'
self.game_pause()
self.game_deck.shuffle()
insurance = False
self.play_hand_container = []
self.player_hand.add_card_to_hand(self.game_deck.draw_card())
self.dealer_hand.add_card_to_hand(self.game_deck.draw_card())
self.player_hand.add_card_to_hand(self.game_deck.draw_card())
self.dealer_hand.add_card_to_hand(self.game_deck.draw_card())
''' THIS IS FOR DEBUG TO CHECK SPLITS''
c = self.game_deck.draw_card()
self.player_hand.add_card_to_hand(c)
self.player_hand.add_card_to_hand(c)
##############################'''
'''THIS IS FOR DEBUG TO TEST INSURANCE''
self.player_hand.add_card_to_hand([('S',9)])
self.player_hand.add_card_to_hand([('S',13)])
self.dealer_hand.add_card_to_hand([('D',6)])
self.dealer_hand.add_card_to_hand([('D', 14)])
#################'''
self.play_hand_container.append(self.player_hand)
self.show_state()
insurance_amount = 0
if self.dealer_hand.last_card()[1]==Game.config['Ace']:
print 'Would you like insurance? (Y/n)'
flag = True
while flag:
player_input = raw_input().upper()
if player_input == 'Y':
insurance_amount = int(self.player_hand.wager/2)
if self.bank_roll.has_enough(self.player_hand.wager + insurance_amount):
insurance = True
print 'You have taken insurance for ' + str(insurance_amount)
flag = False
self.game_pause()
self.clear_screen()
else:
print 'You do not have enough for insurance\n'
flag = False
insurance = False
elif player_input == 'N':
print 'You have declined insurance\n'
self.game_pause()
self.clear_screen()
flag = False
self.show_state(msg = 'You have bet ' + str(self.player_hand.wager))
else:
print 'You entered something incorrectly. Please type (Y) for yes or (N) for no.'
if self.dealer_hand.reveal_value()==21:
if (self.player_hand.hand_value() == 21):
print 'Push'
if insurance:
insurance_payout = Game.config['insurance_payout']*insurance_amount
self.bank_roll.inc(insurance_payout)
print 'But you had insurance! You win ' + str(insurance_payout) + '.\n'
else:
print '**** No Money Exchanged ****'
self.game_pause()
return False
else:
self.show_state('Dealer has 21', reveal=True)
print 'Dealer has 21, you lose ' + str(self.player_hand.wager)
self.bank_roll.dec(self.player_hand.wager)
if insurance:
insurance_payout = Game.config['insurance_payout']*insurance_amount
self.bank_roll.inc(insurance_payout)
print 'But you had insurance! You win ' + str(insurance_payout)
self.game_pause()
return False
else:
if self.player_hand.hand_value()==21:
print 'BLACKJACK!'
print 'You win ' + str(int(self.player_hand.wager*Game.config['blackjack_payout']))
self.bank_roll.inc(int(self.player_hand.wager*Game.config['blackjack_payout']))
if insurance:
self.bank_roll.dec(insurance_amount)
print 'Your bankroll has been reduced by ' + str(insurance_amount) + ' for insurance'
self.game_pause()
return False
else:
if insurance:
self.bank_roll.dec(insurance_amount)
print 'The dealer does not have blackjack.'
print 'Your bankroll has been reduced by the insurance wager of ' + str(insurance_amount)
print 'You now have: ' + str(self.bank_roll.balance)
self.game_pause()
self.clear_screen()
self.show_state(msg = 'You have bet ' + str(self.player_hand.wager) )
return True
#This is the dealer logic for after the player makes all decisions
#Stand on soft 17s
def dealer_logic(self):
dealer_go = True
self.game_pause()
while(dealer_go):
if self.dealer_hand.reveal_value() < 17:
print 'Dealer Hits!'
print 'Dealer Draws: ' + self.dealer_hand.hit(self.game_deck)
print 'Dealer Hand: ' + self.dealer_hand.reveal_hand() + '\n'
elif self.dealer_hand.reveal_value() > 21:
self.clear_screen()
self.show_state(msg='Dealer Busts!', reveal=True)
dealer_go=False
return self.dealer_hand.reveal_hand()
else:
self.clear_screen()
self.show_state('Dealer Stands!', reveal=True)
dealer_go=False
return self.dealer_hand.reveal_hand()
self.game_pause()
#Evaluate the hand(s) after the dealer has played
def evaluate_hand(self, plrhand, dealer_done = True, msg = None):
if msg:
print msg
plr = plrhand.hand_value()
dlr = self.dealer_hand.reveal_value()
if plr > 21:
print 'Player Busts!\n'
plrhand.busted = True
if dealer_done:
print '**** Player loses ' + str(plrhand.wager) + '.\n'
self.bank_roll.dec(plrhand.wager)
return False
return False
if dealer_done:
if(dlr>21):
print 'Dealer Busts!'
print '**** Player wins ' + str(plrhand.wager) + '. ****\n'
self.bank_roll.inc(plrhand.wager)
return False
elif (dlr==plr):
print 'Push\n'
print '**** No Money Exchanged. ****'
return False
elif (dlr>plr):
print 'Dealer Wins :('
print '**** Player loses ' + str(plrhand.wager) + '. ****\n'
self.bank_roll.dec(plrhand.wager)
return False
elif (plr>dlr):
print '**** Player wins: ' + str(plrhand.wager) + '. ****\n'
self.bank_roll.inc(plrhand.wager)
return False
return True
#Get player input for each hand
def player_logic(self, player_go):
hand_index=0
for h in self.play_hand_container:
while h.hand_active:
if len(self.play_hand_container)>1:
print 'Active Hand: ' + str(hand_index)
print 'What would you like to do?'
player_input = raw_input('(H) hit, (S) stand, (D) double down, (I) split, or (Q) quit : ').upper()
if player_input == 'H':
self.clear_screen()
h.hit(self.game_deck)
self.show_state(msg = 'You Hit!')
print 'You drew: ' + self.player_hand.last_card_formatted()
h.hand_active = self.evaluate_hand(h, dealer_done = False)
elif player_input == 'S':
h.hand_active = False
self.clear_screen()
self.show_state('You Stand!', reveal = False)
elif player_input == 'D':
if h.card_count() > 2:
print '\nYou cannot double down. \n'
else:
if h.wager*2 <= self.bank_roll.balance:
self.clear_screen()
h.wager*=2
h.hit(self.game_deck)
self.show_state('DOUBLE DOWN!', reveal = False)
print 'You drew: ' + self.player_hand.last_card_formatted() + '\n'
self.evaluate_hand(h, dealer_done = False)
h.hand_active = False
self.game_pause()
else:
print 'You do not have that much cash, and so you cannot double down'
print 'Please try again.\n'
elif player_input == 'Q':
print 'Quitting game...'
self.game_state = 'GameOver'
h.hand_active = False
return False
elif player_input == '*':
self.print_count()
elif player_input == 'I':
can_split = self.player_hand.can_split()
if (can_split and self.bank_roll.has_enough(h.wager*(len(self.play_hand_container)+1))):
print 'You can split'
new_hand = Hand()
new_hand.add_card_to_hand(h.pop_card())
new_hand.add_card_to_hand(self.game_deck.draw_card())
new_hand.wager = h.wager
h.add_card_to_hand(self.game_deck.draw_card())
self.play_hand_container.append(new_hand)
self.show_state('You Split!', reveal = False)
else:
print 'You cannot split'
else:
print 'That input is not recognized. Try again.'
hand_index+=1
return True
#This is the main game logic
#Logical order is:
#1) set up the hand
#2) get player decisions
#3) have the dealer play
#4) evaluate the hand and change the bankroll
def main_game_logic(self):
self.player_hand.clr_hand()
self.dealer_hand.clr_hand()
player_go = True
bet = None
if self.bank_roll.has_enough(1):
bet = self.bet_input()
if (bet == None):
player_go = False
else:
player_go = self.start_hand()
else:
print 'You are all out of cash!'
player_go = False
self.game_state = 'GameOver'
if (player_go):
player_done = self.player_logic(player_go)
if (player_done):
if not(self.all_hands_busted()):
self.show_state(msg = "Dealer's Turn", reveal=True)
self.dealer_logic()
self.game_pause()
self.clear_screen()
for h in self.play_hand_container:
msg=''
if len(self.play_hand_container) > 1:
msg = 'Hand ' + str(self.play_hand_container.index(h)) + ' result:'
self.evaluate_hand(h, dealer_done = True, msg=msg)
self.game_pause()
#The main loop
def run_game(self):
while (self.run_flag):
if self.game_state == 'Welcome':
self.welcome_screen()
self.game_state = "MainState"
elif self.game_state == 'MainState':
self.main_game_logic()
elif self.game_state == 'GameOver':
self.game_over_screen()