view test/nds-test-progs/general/source/main.c @ 4805:de3b3455f8ec

Put the render loop back in its right place, but with delaying functionality to keep it down to roughly 60fps, not eating up all the X11 time.
author Eli Gottlieb <eligottlieb@gmail.com>
date Mon, 19 Jul 2010 00:24:02 -0400
parents 204be4fc2726
children 7aba0406c273
line wrap: on
line source


#include <SDL/SDL.h>
#if defined(NDS) || defined(__NDS__) || defined (__NDS)
#include <nds.h>
#include <fat.h>
#else
#define swiWaitForVBlank()
#define consoleDemoInit()
#define fatInitDefault()
#define RGB15(r,g,b) SDL_MapRGB(screen->format,((r)<<3),((g)<<3),((b)<<3))
#endif
    void
splash(SDL_Surface * screen, int s)
{
    SDL_Surface *logo;
    SDL_Rect area = { 0, 0, 256, 192 };

    logo = SDL_LoadBMP("sdl.bmp");
    if (!logo) {
        printf("Couldn't splash.\n");
        return;
    }
    /*logo->flags &= ~SDL_PREALLOC; */
    SDL_BlitSurface(logo, NULL, screen, &area);
    SDL_Flip(screen);
    while (s-- > 0) {
        int i = 60;
        while (--i)
            swiWaitForVBlank();
    }
}


int
main(void)
{
    SDL_Surface *screen;
    SDL_Joystick *stick;
    SDL_Event event;
    SDL_Rect rect = { 0, 0, 256, 192 };
    int i;

    consoleDemoInit();
    puts("Hello world!  Initializing FAT...");
    fatInitDefault();
    
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
        puts("# error initializing SDL");
        puts(SDL_GetError());
        return 1;
    }
    puts("* initialized SDL");
    screen = SDL_SetVideoMode(256, 192, 15, SDL_SWSURFACE);
    if (!screen) {
        puts("# error setting video mode");
        puts(SDL_GetError());
        return 2;
    }
    screen->flags &= ~SDL_PREALLOC;
    puts("* set video mode");
    stick = SDL_JoystickOpen(0);
    if (stick == NULL) {
        puts("# error opening joystick");
        puts(SDL_GetError());
//              return 3;
    }
    puts("* opened joystick");

    /*splash(screen, 3); */

    SDL_FillRect(screen, &rect, RGB15(0, 0, 31) | 0x8000);
    SDL_Flip(screen);

    while (1)
        while (SDL_PollEvent(&event))
            switch (event.type) {
            case SDL_JOYBUTTONDOWN:
                SDL_FillRect(screen, &rect, (u16) rand() | 0x8000);
                SDL_Flip(screen);
                if (rect.w > 8) {
                    rect.x += 4;
                    rect.y += 3;
                    rect.w -= 8;
                    rect.h -= 6;
                }
                printf("button %d pressed at %d ticks\n",
                       event.jbutton.which, SDL_GetTicks());
                break;
            case SDL_QUIT:
                SDL_Quit();
                return 0;
            default:
                break;
            }
    
return 0;

}