Custom FPS cli argument

1 files changed, 19 insertions, 3 deletions

diff --git a/main.c b/main.c
index 9f32ecc..1ca42bd 100644
--- a/main.c
+++ b/main.c
@@ -10,15 +10,17 @@ int main(int argc, char *argv[]) {
         sb_append_cstr(&map_path, "maps/demo3.map");
 
         bool skip_title = false;
+        int target_fps = -1;
 
         static struct option long_options[] = {
                 {"map", required_argument, 0, 'm'},
+                {"fps", required_argument, 0, 'f'},
                 {0, 0, 0, 0}
         };
 
         int opt;
         int option_index = 0;
-        while ((opt = getopt_long_only(argc, argv, "m:", long_options, &option_index)) != -1) {
+        while ((opt = getopt_long_only(argc, argv, "m:f:", long_options, &option_index)) != -1) {
                 switch (opt) {
                         case 'm':
                                 sb_free(&map_path);
@@ -26,20 +28,34 @@ int main(int argc, char *argv[]) {
                                 sb_append_cstr(&map_path, optarg);
                                 skip_title = true;
                                 break;
+                        case 'f':
+                                target_fps = atoi(optarg);
+                                break;
                 }
         }
 
-        SetConfigFlags(FLAG_VSYNC_HINT | FLAG_WINDOW_RESIZABLE | FLAG_WINDOW_HIGHDPI);
+        unsigned int flags = FLAG_WINDOW_RESIZABLE | FLAG_WINDOW_HIGHDPI;
+        if (target_fps < 0) flags |= FLAG_VSYNC_HINT;
+
+        SetConfigFlags(flags);
         InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_TITLE);
 
         int monitor = GetCurrentMonitor();
         SetWindowPosition((GetMonitorWidth(monitor) - GetScreenWidth()) / 2, (GetMonitorHeight(monitor) - GetScreenHeight()) / 2);
-        SetTargetFPS(GetMonitorRefreshRate(monitor));
 
         vfs_init(VFS_DATA_PAK);
         InitGame();
         SetMap(map_path.data);
 
+        if (target_fps >= 0) {
+                game.target_fps = target_fps;
+                game.vsync = false;
+                SetTargetFPS(game.target_fps);
+        } else {
+                game.vsync = true;
+                SetTargetFPS(GetMonitorRefreshRate(monitor));
+        }
+
         if (skip_title) {
                 if (LoadMap(game.map_path)) {
                         game.mode = STATE_PLAYING;