boot.c

// boot.c — see boot.h for the module overview.

#include "boot.h"
#include "context.h"
#include "display.h"
#include "audio.h"
#include "system.h"
#include <stddef.h>

#define BOOT_DURATION_MS 5000u

static uint32_t s_enterMs;
static uint8_t s_animState;

void bootEnter(void) {
    s_animState = 0;
    displayFillScreen(COLOR_BLACK);
    s_enterMs = systemGetTimeMs();
}

void bootUpdate(uint32_t nowMs, uint16_t deltaMs) {
    (void)deltaMs;
    if (nowMs < s_enterMs) nowMs = s_enterMs;
    uint32_t elapsed = nowMs - s_enterMs;
    
    if (elapsed >= BOOT_DURATION_MS) {
        contextRequestScreen(SCREEN_MENU);
    } else {
        // Fix 2: Sequential checks so missed frames catch up instantly
        if (elapsed >= 1500 && s_animState < 1) {
            s_animState = 1;
            audioPlayTone(523, 500); // C5 (A)
            displayDrawTextScaled(37, 40, "A", COLOR_BLUE, COLOR_BLACK, 3);
        }
        if (elapsed >= 2000 && s_animState < 2) {
            s_animState = 2;
            audioPlayTone(659, 500); // E5 (V)
            displayDrawTextScaled(55, 40, "V", COLOR_BLUE, COLOR_BLACK, 3);
        }
        if (elapsed >= 2500 && s_animState < 3) {
            s_animState = 3;
            audioPlayTone(784, 500); // G5 (R)
            displayDrawTextScaled(73, 40, "R", COLOR_BLUE, COLOR_BLACK, 3);
        }
        if (elapsed >= 3000 && s_animState < 4) {
            s_animState = 4;
            static const Note melody[] = {
                {1046, 150}, {1318, 150}, {1568, 150}, {2093, 400}
            };
            audioPlaySequence(melody, 4); // GAMEBOY Melody
            displayDrawTextScaled(22, 80, "GAMEBOY", COLOR_BLUE, COLOR_BLACK, 2);
        }
    }
}

void bootDraw(void) {
    // Drawing is done progressively in bootUpdate based on timing states.
}