C Program

BlackJack/Blackjack.c

// Blackjack.c : Defines the entry point for the console application. // #include <Windows.h> #include <stdlib.h> #define CLUBS 0 #define DIAMONDS 1 #define HEARTS 2 #define SPADES 3 enum{ TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING, ACE }; int Deck[52]; int CurrentDealCard; int Dealer[20], Player[20]; int DealerCards, PlayerCards; int DealerScore, PlayerScore; void DoShuffle() { int i, nextcard; int Used[52]; /* Here we clear out Used array to zeros, which indicates no values have been used. */ for (i = 0; i < 52; i++) Used[i] = 0; /* Loop through the deck of cards, there are 52 values */ for (i = 0; i < 52; i++) { /* Here we used a do-while. If the card has already been used, we need to keep generating random numbers until we find a card that has not been used. */ do { nextcard = rand() % 52; /* Value from 0 to 51 */ } while (Used[nextcard] == 1); /* This is our check */ /* Here we set to 1 so that we remember that this card has been used */ Used[nextcard] = 1; /* Finally, put the card in the deck. */ Deck[i] = nextcard; } } void DrawCard(int rank, int suit) { switch (rank) { case TWO: printf("Two "); break; case THREE: printf("Three "); break; case FOUR: printf("Four "); break; case FIVE: printf("Five "); break; case SIX: printf("Six "); break; case SEVEN: printf("Seven "); break; case EIGHT: printf("Eight "); break; case NINE: printf("Nine "); break; case TEN: printf("Ten "); break; case JACK: printf("Jack "); break; case QUEEN: printf("Queen "); break; case KING: printf("King "); break; case ACE: printf("Ace "); break; } switch (suit) { case CLUBS: printf("Clubs"); break; case DIAMONDS: printf("Diamonds"); break; case HEARTS: printf("Hearts"); break; case SPADES: printf("Spades"); break; } } void DisplayShuffledDeck() { int i, suit, rank; for (i = 0; i < 52; i++) { suit = Deck[i] / 13; rank = Deck[i] % 13; DrawCard(rank, suit); printf("\n"); } } void DealCards() { PlayerCards = DealerCards = CurrentDealCard = 0; Player[PlayerCards++] = Deck[CurrentDealCard++]; Dealer[DealerCards++] = Deck[CurrentDealCard++]; Player[PlayerCards++] = Deck[CurrentDealCard++]; Dealer[DealerCards++] = Deck[CurrentDealCard++]; } void DisplayDealtCards() { int i; printf("\n\n\nDealer:\n"); for (i = 0; i < DealerCards; i++) DrawCard(Dealer[i] % 13, Dealer[i] / 13), printf( " " ); printf("Dealer Score is %d\n\n\nPlayer:\n", DealerScore); for (i = 0; i < PlayerCards; i++) DrawCard(Player[i] % 13, Player[i] / 13), printf(" "); printf("Player Score is %d\n\n\n", PlayerScore); } void DisplayChoice() { printf("What would you like to do?\n"); printf("1. Hit\n2. Stand\n"); } int GetChoice(int min, int max) { int choice; do { printf("Make a choice from %d to %d:", min, max); scanf("%d", &choice); } while (choice < min || choice > max); return(choice); } void CalculateScores() { int i, rank, suit ; PlayerScore = 0; for (i = 0; i < PlayerCards; i++) { rank = Player[i] % 13; suit = Player[i] / 13; if (rank >= TWO && rank <= TEN) PlayerScore += ( rank + 2 ); else if (rank >= JACK && rank <= KING) PlayerScore += 10; else PlayerScore += 11; } DealerScore = 0; for (i = 0; i < DealerCards; i++) { rank = Dealer[i] % 13; suit = Dealer[i] / 13; if (rank >= TWO && rank <= TEN) DealerScore += (rank + 2); else if (rank >= JACK && rank <= KING) DealerScore += 10; else DealerScore += 11; } } int _tmain(int argc, _TCHAR* argv[]) { int choice; srand(GetTickCount()); DoShuffle(); DealCards(); CalculateScores(); DisplayDealtCards(); DisplayChoice(); choice = GetChoice(1, 2); if (choice == 1) { Player[PlayerCards++] = Deck[CurrentDealCard++]; CalculateScores(); DisplayDealtCards(); } return 0; }