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| author | B. Watson <yalhcru@gmail.com> | 2016-09-21 04:31:40 -0400 |
|---|---|---|
| committer | B. Watson <yalhcru@gmail.com> | 2016-09-21 04:31:40 -0400 |
| commit | e7705e66b7b5dd34f20508427b3c50cc0568349a (patch) | |
| tree | c8bfed0f9c39a09046081d2a10b5f02b21332857 | |
| parent | f0099b740641b8817d2b741b11154f4830df80e4 (diff) | |
| download | jumpmanjr-e7705e66b7b5dd34f20508427b3c50cc0568349a.tar.gz | |
fix event latency in graftest
| -rw-r--r-- | graftest/graftest.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/graftest/graftest.c b/graftest/graftest.c index b983aca..81997f2 100644 --- a/graftest/graftest.c +++ b/graftest/graftest.c @@ -171,6 +171,7 @@ void render_level(int levelnum) { int leveldesc = LEVEL_BASE + LEVEL_SIZE * levelnum; int mapaddr = dpeek(leveldesc + 22); int levelname = LEVEL_NAMES + LEVEL_NAME_SIZE * levelnum; + Uint32 start = SDL_GetTicks(); color_regs[0] = 0; color_regs[1] = peek(leveldesc + 47); @@ -182,10 +183,12 @@ void render_level(int levelnum) { fprintf(stderr, "leveldesc %04x, mapaddr %04x\n", leveldesc, mapaddr); draw_map(mapaddr); + fprintf(stderr, "render_level(%d) took %dms\n", levelnum, SDL_GetTicks() - start); } int main(int argc, char **argv) { int lev = 0, done = 0, fullscreen = 0; + Uint32 start, end, now; SDL_Window *window; SDL_Renderer *renderer; SDL_Texture *texture; @@ -207,12 +210,10 @@ int main(int argc, char **argv) { render_level(lev); while(!done) { - Uint32 start, end, now; - start = SDL_GetTicks(); end = start + 167; // NTSC timing - if(SDL_PollEvent(&event)) { + while(SDL_PollEvent(&event)) { if(event.type == SDL_QUIT) { break; } @@ -225,6 +226,12 @@ int main(int argc, char **argv) { render_level(lev); break; + case SDLK_BACKSPACE: + lev--; + if(lev < 0) lev = 11; + render_level(lev); + break; + case SDLK_ESCAPE: done = 1; break; |