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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 BOARD_DISPLAY_START 4
uint8_t score_player = 0;
uint8_t score_dealer = 0;
uint8_t hand_player[BLACKJACK_MAX_HAND_SIZE] = {0xFF};
uint8_t hand_dealer[BLACKJACK_MAX_HAND_SIZE] = {0xFF};
uint8_t idx_player = 0;
uint8_t idx_dealer = 0;
typedef struct {
uint8_t score;
uint8_t idx_hand;
uint8_t hand[BLACKJACK_MAX_HAND_SIZE];
} hand_info_t;
typedef enum {
BJ_TITLE_SCREEN,
@ -63,6 +62,8 @@ typedef enum {
static game_state_t game_state;
static uint8_t deck[DECK_SIZE] = {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) {
// Emulator: use rand. Hardware: use arc4random.
@ -109,31 +110,27 @@ static uint8_t get_next_card(void) {
}
static void reset_hands(void) {
score_player = 0;
score_dealer = 0;
idx_player = 0;
idx_dealer = 0;
memset(hand_player, 0xFF, sizeof(hand_player));
memset(hand_dealer, 0xFF, sizeof(hand_dealer));
memset(&player, 0, sizeof(player));
memset(&dealer, 0, sizeof(dealer));
reset_deck();
}
static void give_player_card(void) {
uint8_t card = get_next_card();
hand_player[idx_player++] = card;
score_player += card;
player.hand[player.idx_hand++] = card;
player.score += card;
}
static void give_dealer_card(void) {
uint8_t card = get_next_card();
hand_dealer[idx_dealer++] = card;
score_dealer += card;
dealer.hand[dealer.idx_hand++] = card;
dealer.score += card;
}
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--) {
uint8_t card = hand_player[idx_player-i];
uint8_t card = player.hand[player.idx_hand-i];
if (card == 10) card = 0;
const char display_char = card + '0';
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) {
uint8_t card = hand_dealer[idx_dealer - 1];
uint8_t card = dealer.hand[dealer.idx_hand - 1];
if (card == 10) card = 0;
const char display_char = card + '0';
watch_display_character(display_char, 0);
@ -149,13 +146,13 @@ static void display_dealer_hand(void) {
static void display_player_score(void) {
char buf[4];
sprintf(buf, "%2d", score_player);
sprintf(buf, "%2d", player.score);
watch_display_text(WATCH_POSITION_SECONDS, buf);
}
static void display_dealer_score(void) {
char buf[4];
sprintf(buf, "%2d", score_dealer);
sprintf(buf, "%2d", dealer.score);
watch_display_text(WATCH_POSITION_TOP_RIGHT, buf);
}
@ -206,11 +203,11 @@ static void begin_playing(void) {
}
static void perform_hit(void) {
if (score_player == 21) {
if (player.score == 21) {
return; // Assume hitting on 21 is a mistake and ignore
}
give_player_card();
if (score_player > 21) {
if (player.score > 21) {
display_bust();
} else {
display_player_hand();
@ -227,9 +224,9 @@ static void perform_stand(void) {
static void dealer_performs_hits(void) {
give_dealer_card();
display_dealer_hand();
if (score_dealer > 21) {
if (dealer.score > 21) {
display_win();
} else if (score_dealer > score_player) {
} else if (dealer.score > player.score) {
display_lose();
} else {
display_dealer_hand();
@ -238,10 +235,10 @@ static void dealer_performs_hits(void) {
}
static void see_if_dealer_hits(void) {
if (score_dealer > 16) {
if (score_dealer > score_player) {
if (dealer.score > 16) {
if (dealer.score > player.score) {
display_lose();
} else if (score_dealer < score_player) {
} else if (dealer.score < player.score) {
display_win();
} else {
display_tie();