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Made hand info into a struct

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This commit is contained in:
David Volovskiy 2025-09-03 06:45:14 -04:00
parent 3b3ecffd3e
commit b66e10406e
1 changed files with 25 additions and 28 deletions
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53
watch-faces/complication/blackjack_face.c
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@ -46,12 +46,11 @@
#define MAX_PLAYER_CARDS_DISPLAY 4 #define MAX_PLAYER_CARDS_DISPLAY 4
#define BOARD_DISPLAY_START 4 #define BOARD_DISPLAY_START 4
uint8_t score_player = 0; typedef struct {
uint8_t score_dealer = 0; uint8_t score;
uint8_t hand_player[BLACKJACK_MAX_HAND_SIZE] = {0xFF}; uint8_t idx_hand;
uint8_t hand_dealer[BLACKJACK_MAX_HAND_SIZE] = {0xFF}; uint8_t hand[BLACKJACK_MAX_HAND_SIZE];
uint8_t idx_player = 0; } hand_info_t;
uint8_t idx_dealer = 0;
typedef enum { typedef enum {
BJ_TITLE_SCREEN, BJ_TITLE_SCREEN,
@ -63,6 +62,8 @@ typedef enum {
static game_state_t game_state; static game_state_t game_state;
static uint8_t deck[DECK_SIZE] = {0}; static uint8_t deck[DECK_SIZE] = {0};
static uint8_t current_card = 0; static uint8_t current_card = 0;
hand_info_t player;
hand_info_t dealer;
static uint8_t generate_random_number(uint8_t num_values) { static uint8_t generate_random_number(uint8_t num_values) {
// Emulator: use rand. Hardware: use arc4random. // Emulator: use rand. Hardware: use arc4random.
@ -109,31 +110,27 @@ static uint8_t get_next_card(void) {
} }
static void reset_hands(void) { static void reset_hands(void) {
score_player = 0; memset(&player, 0, sizeof(player));
score_dealer = 0; memset(&dealer, 0, sizeof(dealer));
idx_player = 0;
idx_dealer = 0;
memset(hand_player, 0xFF, sizeof(hand_player));
memset(hand_dealer, 0xFF, sizeof(hand_dealer));
reset_deck(); reset_deck();
} }
static void give_player_card(void) { static void give_player_card(void) {
uint8_t card = get_next_card(); uint8_t card = get_next_card();
hand_player[idx_player++] = card; player.hand[player.idx_hand++] = card;
score_player += card; player.score += card;
} }
static void give_dealer_card(void) { static void give_dealer_card(void) {
uint8_t card = get_next_card(); uint8_t card = get_next_card();
hand_dealer[idx_dealer++] = card; dealer.hand[dealer.idx_hand++] = card;
score_dealer += card; dealer.score += card;
} }
static void display_player_hand(void) { static void display_player_hand(void) {
uint8_t cards_to_display = idx_player > MAX_PLAYER_CARDS_DISPLAY ? MAX_PLAYER_CARDS_DISPLAY : idx_player; uint8_t cards_to_display = player.idx_hand > MAX_PLAYER_CARDS_DISPLAY ? MAX_PLAYER_CARDS_DISPLAY : player.idx_hand;
for (uint8_t i=cards_to_display; i>0; i--) { for (uint8_t i=cards_to_display; i>0; i--) {
uint8_t card = hand_player[idx_player-i]; uint8_t card = player.hand[player.idx_hand-i];
if (card == 10) card = 0; if (card == 10) card = 0;
const char display_char = card + '0'; const char display_char = card + '0';
watch_display_character(display_char, BOARD_DISPLAY_START + cards_to_display - i); watch_display_character(display_char, BOARD_DISPLAY_START + cards_to_display - i);
@ -141,7 +138,7 @@ static void display_player_hand(void) {
} }
static void display_dealer_hand(void) { static void display_dealer_hand(void) {
uint8_t card = hand_dealer[idx_dealer - 1]; uint8_t card = dealer.hand[dealer.idx_hand - 1];
if (card == 10) card = 0; if (card == 10) card = 0;
const char display_char = card + '0'; const char display_char = card + '0';
watch_display_character(display_char, 0); watch_display_character(display_char, 0);
@ -149,13 +146,13 @@ static void display_dealer_hand(void) {
static void display_player_score(void) { static void display_player_score(void) {
char buf[4]; char buf[4];
sprintf(buf, "%2d", score_player); sprintf(buf, "%2d", player.score);
watch_display_text(WATCH_POSITION_SECONDS, buf); watch_display_text(WATCH_POSITION_SECONDS, buf);
} }
static void display_dealer_score(void) { static void display_dealer_score(void) {
char buf[4]; char buf[4];
sprintf(buf, "%2d", score_dealer); sprintf(buf, "%2d", dealer.score);
watch_display_text(WATCH_POSITION_TOP_RIGHT, buf); watch_display_text(WATCH_POSITION_TOP_RIGHT, buf);
} }
@ -206,11 +203,11 @@ static void begin_playing(void) {
} }
static void perform_hit(void) { static void perform_hit(void) {
if (score_player == 21) { if (player.score == 21) {
return; // Assume hitting on 21 is a mistake and ignore return; // Assume hitting on 21 is a mistake and ignore
} }
give_player_card(); give_player_card();
if (score_player > 21) { if (player.score > 21) {
display_bust(); display_bust();
} else { } else {
display_player_hand(); display_player_hand();
@ -227,9 +224,9 @@ static void perform_stand(void) {
static void dealer_performs_hits(void) { static void dealer_performs_hits(void) {
give_dealer_card(); give_dealer_card();
display_dealer_hand(); display_dealer_hand();
if (score_dealer > 21) { if (dealer.score > 21) {
display_win(); display_win();
} else if (score_dealer > score_player) { } else if (dealer.score > player.score) {
display_lose(); display_lose();
} else { } else {
display_dealer_hand(); display_dealer_hand();
@ -238,10 +235,10 @@ static void dealer_performs_hits(void) {
} }
static void see_if_dealer_hits(void) { static void see_if_dealer_hits(void) {
if (score_dealer > 16) { if (dealer.score > 16) {
if (score_dealer > score_player) { if (dealer.score > player.score) {
display_lose(); display_lose();
} else if (score_dealer < score_player) { } else if (dealer.score < player.score) {
display_win(); display_win();
} else { } else {
display_tie(); display_tie();