Mini-project #6 - Blackjack

# Mini-project #6 - Blackjack


import simplegui
import random


# load card sprite - 936x384 - source: jfitz.com
CARD_SIZE = (72, 96)
CARD_CENTER = (36, 48)
card_images = simplegui.load_image("http://storage.googleapis.com/codeskulptor-assets/cards_jfitz.png")


CARD_BACK_SIZE = (72, 96)
CARD_BACK_CENTER = (36, 48)
card_back = simplegui.load_image("http://storage.googleapis.com/codeskulptor-assets/card_jfitz_back.png")    


# initialize some useful global variables
in_play = False
outcome = ""
score = 0


# define globals for cards
SUITS = ('C', 'S', 'H', 'D')
RANKS = ('A', '2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K')
VALUES = {'A':1, '2':2, '3':3, '4':4, '5':5, '6':6, '7':7, '8':8, '9':9, 'T':10, 'J':10, 'Q':10, 'K':10}




# define card class
class Card:
    def __init__(self, suit, rank):
        if (suit in SUITS) and (rank in RANKS):
            self.suit = suit
            self.rank = rank
        else:
            self.suit = None
            self.rank = None
            print "Invalid card: ", suit, rank


    def __str__(self):
        return self.suit + self.rank


    def get_suit(self):
        return self.suit


    def get_rank(self):
        return self.rank


    def draw(self, canvas, pos):
        card_loc = (CARD_CENTER[0] + CARD_SIZE[0] * RANKS.index(self.rank), 
                    CARD_CENTER[1] + CARD_SIZE[1] * SUITS.index(self.suit))
        canvas.draw_image(card_images, card_loc, CARD_SIZE, [pos[0] + CARD_CENTER[0], pos[1] + CARD_CENTER[1]], CARD_SIZE)
        
# define hand class
class Hand:
    def __init__(self):
        self.hand_card = []


    def __str__(self):
        ret_str = "Hand contains"
        for card in self.hand_card:
            ret_str += "" + card.get_suit() + card.get_rank()


        return ret_str
    def add_card(self, card):
        self.hand_card.append(card)


    def get_value(self):
        has_ace =False
        hand_value =0
        for card in self.hand_card:
            hand_value += VALUES[card.get_rank()]
            if card.get_rank() == 'A':
                cas_ace = True
                
        if has_ace == False:
            return hand_value
        else:
            if hand_value <= 21:
                return hand_value + 10
            else:
                return hand_value
    def draw(self,canvas,pos):
        for i, card in enumerate(self.hand_card):
            if i < 5:
                card.draw(canvas,(pos[0]+i*1.35*CARD_SIZE[0],pos[1]))
            else:
                card.draw(canvas,(pos[0]+(i%5)*1.35*CARD_SIZE[0],
                                  pos[1]+1.2*CARD_SIZE[1]))
                                 
# define deck class 
class Deck: 
    def __init__(self):
        self.deck_card = [Card(suit,rank) for suit in SUITS for rank in RANKS]


    def shuffle(self):
        random.shuffle(self.deck_card)


    def deal_card(self):
        if len(self.deck_card)>0:
           return self.deck_card.pop(0)
        else:
           print "deck_card is empty"
           return None                      
    
    def __str__(self):
        ret_str = "Deck contains"
        for card in self.deck_card:
            ret_str += "" + card.get_suit() + card.get_rank()
        return ret_str                      






#define event handlers for buttons
def deal():
    global outcome, in_play,dealer,player, deck, tips, score
    if in_play is True: 
        score -= 1
    
    dealer,player = Hand(), Hand()
        
    
    deck = Deck()
    deck.shuffle()                             


    outcome = ""                            
    tips = "Hit or stands?"                      
    in_play = True


    player.add_card(deck.deal_card())
    dealer.add_card(deck.deal_card())
    player.add_card(deck.deal_card())
    dealer.add_card(deck.deal_card())


     
    
def hit():
    global player, deck, in_play,outcome, tips, score
    if in_play is True and player.get_value() <= 21:
        player.add_card(deck.deal_card())
        if player.get_value()> 21:
            outcome = "You went bust and lose"
            tips = "New deal?"                     
            in_play = False                     
            score -= 1                     
def stand():
     global in_play,dealer,player,outcome,tips,score
     if in_play is True:                             
        while dealer.get_value()<17:                          
            dealer.add_card(deck.deal_card())                       
        dealer_value = dealer.get_value()                       
        if dealer_value > 21:
            outcome = "Dealer went bust, You win"                     
            score += 1                    
        else:
            player_value = player.get_value()                    
            if player_value <= dealer_value:                      
                outcome = "you lose"                     
                score -= 1               
            else:                   
                outcome = "you win"                     
                score += 1                   
      
        tips = "New deal?"
        in_play = False                     
                                  
# draw handler    
def draw(canvas):
     canvas.draw_text("BlackJack",(100,40),40,"Blue")
     canvas.draw_text("Score"+str(score),(400,40),30,"Black")
     canvas.draw_text("Dealer",(60,80),30,"Black")
     canvas.draw_text(outcome,(200,80),30,"Red") 
     dealer.draw(canvas,(60,100))                             
     if in_play is True:                         
        card_loc = (CARD_BACK_CENTER[0]+CARD_BACK_SIZE[0],
                    CARD_BACK_CENTER[1])


        canvas.draw_image(card_back,card_loc,CARD_BACK_SIZE,
                        [60+CARD_BACK_CENTER[0],100+CARD_BACK_CENTER[1]],
                        CARD_BACK_SIZE)                      


                                  
     canvas.draw_text(outcome,(200,80),30,"Red")
     canvas.draw_text("player",(60,350),30,"Black")                            
     canvas.draw_text(tips,(200,350),30,"Black")
     player.draw(canvas,(60,370)) 
                                  
                                  
                                  
                                  
# initialization frame
frame = simplegui.create_frame("Blackjack", 600, 600)
frame.set_canvas_background("Green")


#create buttons and canvas callback
frame.add_button("Deal", deal, 200)
frame.add_button("Hit",  hit, 200)
frame.add_button("Stand", stand, 200)
frame.set_draw_handler(draw)




# get things rolling
deal()
frame.start()




# remember to review the gradic rubric