From 427cdef867955386a45b01b7047fd305828b993e Mon Sep 17 00:00:00 2001 From: Camden Dixie O'Brien Date: Thu, 2 Jan 2025 16:37:43 +0000 Subject: [PATCH] Add frame blinker back in --- engine/engine.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/engine/engine.c b/engine/engine.c index 848df2b..edce1a8 100644 --- a/engine/engine.c +++ b/engine/engine.c @@ -37,6 +37,9 @@ int main(int argc, char *argv[]) void *gamemem = calloc(1, game_conf.memsize); game_init(argc, argv, gamemem, renderer); + SDL_SetRenderDrawColor(renderer, 0xf0, 0x10, 0x10, 0xff); + SDL_Rect blinker = { .x = 10, .y = 10, .w = 20, .h = 20 }; + const uint64_t perfhz = SDL_GetPerformanceFrequency(); const uint64_t intervalperf = (INTERVAL * perfhz) / 1000; perf_t perf = { .freq = perfhz / 1000000.0 }; @@ -60,6 +63,8 @@ int main(int argc, char *argv[]) // Render frame SDL_RenderClear(renderer); game_render(gamemem, renderer, SDL_GetTicks64()); + if ((frame & 1) == 0) + SDL_RenderFillRect(renderer, &blinker); SDL_RenderPresent(renderer); perf.render = SDL_GetPerformanceCounter(); @@ -67,15 +72,14 @@ int main(int argc, char *argv[]) if ((frame & 15) == 0) { const double evt = (perf.evt - perf.start) / perf.freq; const double update = (perf.update - perf.evt) / perf.freq; - const double render - = (perf.render - perf.update) / perf.freq; + const double render = (perf.render - perf.update) / perf.freq; const double total = (perf.render - perf.start) / perf.freq; const double total_pc = (100 * total / (1000 * INTERVAL)); printf( - VT100_CLEAR VT100_CURSORTOPLEFT - "evt\t%10.3f μs\nupdate\t%10.3f μs\nrender\t" - "%10.3f μs\ntotal\t%10.3f μs (%05.2f%%)\n", - evt, update, render, total, total_pc); + VT100_CLEAR VT100_CURSORTOPLEFT + "evt\t%10.3f μs\nupdate\t%10.3f μs\nrender\t" + "%10.3f μs\ntotal\t%10.3f μs (%05.2f%%)\n", + evt, update, render, total, total_pc); } // Increment frame counter and wait until next interval