From 08eada80a4fd13028f2a19108788f76752cc459b Mon Sep 17 00:00:00 2001
From: Mitja Felicijan <mitja.felicijan@gmail.com>
Date: Fri, 1 May 2026 03:44:54 +0200
Subject: Custom FPS cli argument

---
 main.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'main.c')

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;
-- 
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