git.mutantstargoat.com Git - dosdemo/blob - src/sdl/main.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <SDL/SDL.h>
   4 #include "demo.h"
   5
   6 static void handle_event(SDL_Event *ev);
   7
   8 static int quit;
   9 static long start_time;
  10 static SDL_Surface *fbsurf;
  11
  12 int main(int argc, char **argv)
  13 {
  14         unsigned int sdl_flags = SDL_SWSURFACE;
  15
  16         SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER);
  17         if(!(fbsurf = SDL_SetVideoMode(fb_width, fb_height, fb_bpp, sdl_flags))) {
  18                 fprintf(stderr, "failed to set video mode %dx%d %dbpp\n", fb_width, fb_height, fb_bpp);
  19                 return 1;
  20         }
  21         SDL_WM_SetCaption("dosdemo SDLemu", 0);
  22
  23         time_msec = 0;
  24         if(demo_init(argc, argv) == -1) {
  25                 return 1;
  26         }
  27         start_time = SDL_GetTicks();
  28
  29         while(!quit) {
  30                 SDL_Event ev;
  31                 while(SDL_PollEvent(&ev)) {
  32                         handle_event(&ev);
  33                         if(quit) goto break_evloop;
  34                 }
  35
  36                 time_msec = SDL_GetTicks() - start_time;
  37                 if(SDL_MUSTLOCK(fbsurf)) {
  38                         SDL_LockSurface(fbsurf);
  39                 }
  40                 fb_pixels = fbsurf->pixels;
  41
  42                 demo_draw();
  43
  44                 if(SDL_MUSTLOCK(fbsurf)) {
  45                         SDL_UnlockSurface(fbsurf);
  46                 }
  47                 SDL_Flip(fbsurf);
  48         }
  49
  50 break_evloop:
  51         demo_cleanup();
  52         SDL_Quit();
  53         return 0;
  54 }
  55
  56 void demo_quit(void)
  57 {
  58         quit = 1;
  59 }
  60
  61 static void handle_event(SDL_Event *ev)
  62 {
  63         switch(ev->type) {
  64         case SDL_QUIT:
  65                 quit = 1;
  66                 break;
  67
  68         case SDL_KEYDOWN:
  69         case SDL_KEYUP:
  70                 demo_keyboard(ev->key.keysym.sym, ev->key.state == SDL_PRESSED ? 1 : 0);
  71                 break;
  72
  73         default:
  74                 break;
  75         }
  76 }