193 lines
4.4 KiB
C
193 lines
4.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include <termios.h>
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#define CLEAR_SCREEN() printf("\033[H\033[J")
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#define MOVE_CURSOR(x, y) printf("\033[%d;%dH", (x), (y))
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#define RESET_COLOR() printf("\033[0m")
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typedef struct {
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int value; /* 1 to 13 (Ace to King) */
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int suit; /* 0 to 3 (Hearts, Spades, Diamonds, Clubs) */
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} card;
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card deal_card();
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int calculate_score(card hand[], int num_cards);
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void display_hand(card hand[], int num_cards, int is_player, int total);
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struct termios orig_termios;
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int main()
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{
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srand(time(NULL));
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card player_hand[10], cpu_hand[10];
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int player_num_cards = 0, cpu_num_cards = 0;
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/* Set terminal to return read syscall without enter */
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struct termios new_termios;
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tcgetattr(STDIN_FILENO, &orig_termios);
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new_termios = orig_termios;
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new_termios.c_lflag &= ~(ICANON | ECHO);
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tcsetattr(STDIN_FILENO, TCSANOW, &new_termios);
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for (int i = 0; i < 2; i++) {
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player_hand[player_num_cards++] = deal_card();
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cpu_hand[cpu_num_cards++] = deal_card();
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}
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int player_score;
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int cpu_score;
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while (1) {
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CLEAR_SCREEN();
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MOVE_CURSOR(1, 1);
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printf("You Computer\n");
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player_score = calculate_score(player_hand, player_num_cards);
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cpu_score = calculate_score(cpu_hand, cpu_num_cards);
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display_hand(player_hand, player_num_cards, 1, player_score);
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display_hand(cpu_hand, cpu_num_cards, 0, cpu_score);
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/* Check if the player has busted */
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if (player_score > 21) {
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printf("\n\033[38;2;255;0;0mBust! You lose.\033[0m\n");
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break;
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}
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printf("\nHit (h) or stand (s)? ");
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fflush(stdout);
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char action;
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read(STDIN_FILENO, &action, 1);
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if (action == 'h') {
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player_hand[player_num_cards++] = deal_card();
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} else if (action == 's') {
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break;
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}
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}
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/* Computer's turn to deal
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* Customise here if you want more wins
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*/
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while (cpu_score < 17) {
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cpu_hand[cpu_num_cards++] = deal_card();
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cpu_score = calculate_score(cpu_hand, cpu_num_cards);
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}
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CLEAR_SCREEN();
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MOVE_CURSOR(1, 1);
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player_score = calculate_score(player_hand, player_num_cards);
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cpu_score = calculate_score(cpu_hand, cpu_num_cards);
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/* Determine win or lose */
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if (player_score > 21) {
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printf("\033[38;2;255;0;0mComputer wins!\033[0m\n");
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} else if (cpu_score > 21) {
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printf("\033[38;2;0;255;0mYou win!\033[0m\n");
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} else if (player_score > cpu_score) {
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printf("\033[38;2;0;255;0mYou win!\033[0m\n");
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} else if (player_score < cpu_score) {
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printf("\033[38;2;255;0;0mComputer wins!\033[0m\n");
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} else {
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printf("\033[38;2;255;255;0mDraw!\033[0m\n");
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}
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display_hand(player_hand, player_num_cards, 1, player_score);
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display_hand(cpu_hand, cpu_num_cards, 0, cpu_score);
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printf("\n");
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/* Reset terminal */
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tcsetattr(STDIN_FILENO, TCSANOW, &orig_termios);
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return 0;
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}
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card deal_card()
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{
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card card;
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card.value = rand() % 13 + 1;
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card.suit = rand() % 4;
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return card;
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}
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int calculate_score(card hand[], int num_cards)
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{
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int score = 0, num_aces = 0;
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for (int i = 0; i < num_cards; i++) {
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if (hand[i].value == 1) {
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score += 11;
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num_aces++;
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} else if (hand[i].value > 10) {
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score += 10;
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} else {
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score += hand[i].value;
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}
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}
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while (score > 21 && num_aces > 0) {
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score -= 10;
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num_aces--;
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}
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return score;
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}
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void display_hand(card hand[], int num_cards, int is_player, int total)
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{
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const char *suits[] = {"\033[38;2;255;0;0m♥\033[0m", "\033[38;2;0;0;255m♠\033[0m", "\033[38;2;255;0;255m♦\033[0m", "\033[38;2;0;255;0m♣\033[0m"};
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if (is_player) {
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printf("Cards - ");
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} else {
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/* Alignment */
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MOVE_CURSOR(2, 28);
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printf("Cards - ");
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}
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for (int i = 0; i < num_cards; i++) {
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/* Bold */
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printf("\033[1m");
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switch (hand[i].value) {
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case 1:
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printf("A%s ", suits[hand[i].suit]);
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break;
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case 11:
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printf("J%s ", suits[hand[i].suit]);
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break;
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case 12:
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printf("Q%s ", suits[hand[i].suit]);
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break;
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case 13:
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printf("K%s ", suits[hand[i].suit]);
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break;
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default:
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printf("%d%s ", hand[i].value, suits[hand[i].suit]);
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}
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RESET_COLOR();
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}
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printf("\n");
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if (is_player) {
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printf("Total - ");
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} else {
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MOVE_CURSOR(3, 28);
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printf("Total - ");
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}
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/* Bold and inverted colors */
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printf("\033[1m\033[47;30m");
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printf(" %d ", total);
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RESET_COLOR();
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printf("\n");
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}
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