void DisplayHand5 (const CardPileType * h) {
char out[128];
int i;
out[0] = '\0';
for (i=0; i < 5; i++) DisplayCard (h->entry[i], out);
sprintf (out + strlen (out), " => %08X\n", (int)FiveCardDrawScore (&h->entry[0]));
printf ("%s", out);
}
void DisplayHand7 (CardPileType * h) {
char out[128];
int i, j;
out[0] = '\0';
for (i=0; i < 7; i++) DisplayCard (h->entry[i], out);
i = SevenCardDrawScore (&h->entry[0]);
j = SevenCardDrawScoreSlow (&h->entry[0]);
if (i != j) {
sprintf (out + strlen (out), " => %08X | %08X\n", i, j);
} else {
sprintf (out + strlen (out), " => %08X\n", i);
}
printf ("%s", out);
}
char PlayOneRound() {
// Need to keep track of Cards issued to Player and Dealer because some times
// Ace is counted as 1 while at other times as 11.
// It is unlikely that more than 26 Cards will be issued to Player or Dealer in One Round.
int PlayerCards[26]; // Cards issued to the Player are kept in this Array.
int DealerCards[26]; // Cards issued to the Dealer are kept in this Array
int PlayerTotal = 0; // Sum of Player Cards' BlackJack Values
int DealerTotal = 0; // Sum of Deler Cards' BlackJack Values
char WhoWon = 'E'; // Return WhoWon to the Main program
char RoundOver = 'N'; // A Flag which indicates whether a Round is Over
char PlayerChoice = ' '; // Variable to accept Player's choice - Hit (H) or Stand (S)
int i; // Loop Counter
// Initialize PlayerCards and DealerCards Arrays with -1s.
for (i = 0; i < 26; i++) {
PlayerCards[i] = -1;
DealerCards[i] = -1;
}
// Draw initial two cards for the Player and Dealer.
PlayerCards[0] = DrawOneCard();
DisplayCard(PlayerCard, PlayerCards[0]);
DealerCards[0] = DrawOneCard();
DisplayCard(DealerCard, DealerCards[0]);
PlayerCards[1] = DrawOneCard();
DisplayCard(PlayerCard, PlayerCards[1]);
DealerCards[1] = DrawOneCard();
// Keep the 2nd Dealer Card Hidden for Now.
// Determine Player Total while accounting for the 'Soft' value of Aces (11 or 1).
PlayerTotal = ComputePlayerTotal(PlayerCards, 2);
DealerTotal = ComputeDealerTotal(DealerCards, 2);
printf("Player Total = %d\n", PlayerTotal);
// Check whether Player or Dealer have received a BlackJack, i.e. a total of 21.
if (PlayerTotal == BlackJack ) {
if (DealerTotal == BlackJack ) {
WhoWon = 'E'; // Round ended as Even
RoundOver = 'Y';
} else {
WhoWon = 'P'; // Player won the Round
RoundOver = 'Y';
}
}
// if the Round is Over then Return.
if (RoundOver == 'Y') {
// Display Dealer's 2nd Hidden Card
DisplayCard(DealerCard, DealerCards[1]);
printf("Dealer Total = %d\n", DealerTotal);
return(WhoWon);
}
// Ask Player, whether she would like a "Hit" or 'S' the Round.
printf("\nWould you like a Hit or Stand (H/S): ");
scanf("%c", &PlayerChoice);
Clear();
printf("\n");
// Check whether the Player Choice is Correct or Not
while ((PlayerChoice != 'H') && (PlayerChoice != 'h') &&
(PlayerChoice != 'S') && (PlayerChoice != 's')) {
printf("Incorrect Choice -- Please Enter H for Hit or S for Stand: ");
scanf("%c", &PlayerChoice);
Clear();
printf("\n");
}
i = 2; // Player has already received 2 Cards
while (((PlayerChoice == 'H') || (PlayerChoice == 'h')) && (RoundOver == 'N')) {
// Draw a card for the Player and Display it.
PlayerCards[i] = DrawOneCard();
DisplayCard(PlayerCard, PlayerCards[i]);
// Determine Player Total while accounting for the 'Soft' value of Aces.
PlayerTotal = ComputePlayerTotal(PlayerCards, i+1);
printf("Player Total = %d\n", PlayerTotal);
if (PlayerTotal == BlackJack) {
if (DealerTotal == BlackJack) {
WhoWon = 'E';
RoundOver = 'Y';
} else {
WhoWon = 'P';
RoundOver = 'Y';
}
} else if (PlayerTotal > BlackJack) {
// Player has Busted
WhoWon = 'D';
RoundOver = 'Y';
}
if (RoundOver == 'Y') {
// Now Display Dealer's 2nd Hidden Card
DisplayCard(DealerCard, DealerCards[1]);
printf("Dealer Total = %d\n", DealerTotal);
return(WhoWon);
}
// Ask Player, whether she would like a "Hit" or 'S' the Round.
PlayerChoice = ' '; // Initialize PlayerChoice
printf("\nWould you like a Hit or Stand (H/S): ");
scanf("%c", &PlayerChoice);
Clear();
printf("\n");
// Check whether the Player Choice is Correct or Not
while ((PlayerChoice != 'H') && (PlayerChoice != 'h') &&
(PlayerChoice != 'S') && (PlayerChoice != 's')) {
printf("Incorrect Choice -- Please Enter H for Hit or S for Stand: ");
scanf("%c", &PlayerChoice);
Clear();
printf("\n");
}
i++;
}
// At this Point, Player has Selected 'S' or 's'.
// When Player Choice is 'S', then draw Cards for the Dealer till Delaer Wins or goes Bust.
// Dealer must draw on 16 and soft 17.
// Compute Total while judging whether to count an 'Ace' as 1 or 11.
DealerTotal = ComputeDealerTotal(DealerCards, 2);
// Display Dealer's Hidden Card.
// Assuming Dealer Keeps the 2nd Card Hidden.
DisplayCard(DealerCard, DealerCards[1]);
printf("Dealer Total = %d\n", DealerTotal);
i = 2;
while (DealerTotal < Threshold) {
DealerCards[i] = DrawOneCard();
DisplayCard(DealerCard, DealerCards[i]);
// Compute Total while judging whether to count an 'Ace' as 1 or 11.
DealerTotal = ComputeDealerTotal(DealerCards, i+1);
printf("Dealer Total = %d\n", DealerTotal);
i++;
}
// Check whether the Dealer has Busted.
if (DealerTotal > BlackJack) {
// Dealer has Busted
WhoWon = 'P';
RoundOver = 'Y';
} else if (PlayerTotal > DealerTotal) {
// Player has Won
WhoWon = 'P';
RoundOver = 'Y';
} else if (PlayerTotal < DealerTotal) {
// Dealer has Won
WhoWon = 'D';
RoundOver = 'Y';
} else {
// The Round is a Draw
WhoWon = 'E';
RoundOver = 'Y';
}
return (WhoWon);
}
