added tunnel effect and SDL backend

[dosdemo] / src / sdl / main.c

diff --git a/src/sdl/main.c b/src/sdl/main.c
new file mode 100644 (file)
index 0000000..38822f3
--- /dev/null
+++ b/src/sdl/main.c
@@ -0,0 +1,76 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <SDL/SDL.h>
+#include "demo.h"
+
+static void handle_event(SDL_Event *ev);
+
+static int quit;
+static long start_time;
+static SDL_Surface *fbsurf;
+
+int main(int argc, char **argv)
+{
+       unsigned int sdl_flags = SDL_SWSURFACE;
+
+       SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER);
+       if(!(fbsurf = SDL_SetVideoMode(fb_width, fb_height, fb_bpp, sdl_flags))) {
+               fprintf(stderr, "failed to set video mode %dx%d %dbpp\n", fb_width, fb_height, fb_bpp);
+               return 1;
+       }
+       SDL_WM_SetCaption("dosdemo SDLemu", 0);
+
+       time_msec = 0;
+       if(demo_init(argc, argv) == -1) {
+               return 1;
+       }
+       start_time = SDL_GetTicks();
+
+       while(!quit) {
+               SDL_Event ev;
+               while(SDL_PollEvent(&ev)) {
+                       handle_event(&ev);
+                       if(quit) goto break_evloop;
+               }
+
+               time_msec = SDL_GetTicks() - start_time;
+               if(SDL_MUSTLOCK(fbsurf)) {
+                       SDL_LockSurface(fbsurf);
+               }
+               fb_pixels = fbsurf->pixels;
+
+               demo_draw();
+
+               if(SDL_MUSTLOCK(fbsurf)) {
+                       SDL_UnlockSurface(fbsurf);
+               }
+               SDL_Flip(fbsurf);
+       }
+
+break_evloop:
+       demo_cleanup();
+       SDL_Quit();
+       return 0;
+}
+
+void demo_quit(void)
+{
+       quit = 1;
+}
+
+static void handle_event(SDL_Event *ev)
+{
+       switch(ev->type) {
+       case SDL_QUIT:
+               quit = 1;
+               break;
+
+       case SDL_KEYDOWN:
+       case SDL_KEYUP:
+               demo_keyboard(ev->key.keysym.sym, ev->key.state == SDL_PRESSED ? 1 : 0);
+               break;
+
+       default:
+               break;
+       }
+}