main.cpp

#include <3ds.h>

#include "menu.hpp"
#include "hint_list.hpp"
#include "item_list.hpp"
#include "item_location.hpp"
#include "location_access.hpp"
#include "music.hpp"

#define TICKS_PER_SEC 268123480.0

int main() {
    gfxInitDefault();
    HintTable_Init();
    ItemTable_Init();
    LocationTable_Init();
    MenuInit();

    u64 initialHoldTime = svcGetSystemTick();
    u64 intervalTime    = initialHoldTime;
    while (aptMainLoop()) {

        hidScanInput();
        u32 kDown = hidKeysDown();
        u32 kHeld = hidKeysHeld();
        if (kDown & KEY_SELECT)
            break; // stop the app

        // Time calculations for menu scrolling
        bool updatedByHeld = false;
        if (kHeld & KEY_DOWN || kHeld & KEY_UP || kHeld & KEY_LEFT || kHeld & KEY_RIGHT) {
            float totalHoldTime       = (svcGetSystemTick() - initialHoldTime) / TICKS_PER_SEC;
            float intervalElapsedTime = (svcGetSystemTick() - intervalTime) / TICKS_PER_SEC;

            if (intervalElapsedTime > 0.09 && totalHoldTime > 0.4) {
                kDown |= kHeld & (KEY_UP | KEY_DOWN | KEY_LEFT | KEY_RIGHT); // add input to kDown for simplicity
                intervalTime  = svcGetSystemTick();
                updatedByHeld = true;
            }
        } else {
            initialHoldTime = svcGetSystemTick();
        }

        // send inputs off to the menu
        if (kDown)
            MenuUpdate(kDown, updatedByHeld, kHeld);

        // launch oot3d directly by holding L and R (cartridge only)
        if (kHeld & KEY_L && kHeld & KEY_R) {
            s64 playingOnCitra = 0;
            // Type 0x20000 only exists on Citra, where parameter 0 returns 1
            svcGetSystemInfo(&playingOnCitra, 0x20000, 0);
            if (!playingOnCitra) {
                if (Settings::Region == REGION_NA) {
                    aptSetChainloader(0x0004000000033500, 2);
                } else if (Settings::Region == REGION_EUR) {
                    aptSetChainloader(0x0004000000033600, 2);
                }
                break;
            }
        }

        // Flush and swap framebuffers
        gfxFlushBuffers();
        gfxSwapBuffers();

        // Wait for VBlank
        gspWaitForVBlank();
    }

    gfxExit();
    return 0;
}