looptimer no singleton

1 files changed, 18 insertions, 19 deletions

diff --git a/src/crepe/api/LoopTimer.cpp b/src/crepe/api/LoopTimer.cpp
index 15a0e3a..d0a19d7 100644
--- a/src/crepe/api/LoopTimer.cpp
+++ b/src/crepe/api/LoopTimer.cpp
@@ -9,10 +9,6 @@ using namespace crepe;
 
 LoopTimer::LoopTimer() { dbg_trace(); }
 
-LoopTimer & LoopTimer::get_instance() {
-	static LoopTimer instance;
-	return instance;
-}
 
 void LoopTimer::start() {
 	this->last_frame_time = std::chrono::steady_clock::now();
@@ -56,22 +52,25 @@ void LoopTimer::set_game_scale(double value) { this->game_scale = value; }
 
 double LoopTimer::get_game_scale() const { return this->game_scale; }
 void LoopTimer::enforce_frame_rate() {
-	std::chrono::steady_clock::time_point current_frame_time
-		= std::chrono::steady_clock::now();
-	std::chrono::milliseconds frame_duration
-		= std::chrono::duration_cast<std::chrono::milliseconds>(current_frame_time
-																- this->last_frame_time);
-
-	if (frame_duration < this->frame_target_time) {
-		std::chrono::milliseconds delay_time
-			= std::chrono::duration_cast<std::chrono::milliseconds>(this->frame_target_time
-																	- frame_duration);
-		if (delay_time.count() > 0) {
-			SDLContext::get_instance().delay(delay_time.count());
-		}
-	}
+    auto current_frame_time = std::chrono::steady_clock::now();
+    auto frame_duration = current_frame_time - this->last_frame_time;
 
-	this->last_frame_time = current_frame_time;
+    if (frame_duration < this->frame_target_time) {
+        auto remaining_time = this->frame_target_time - frame_duration;
+
+        // Sleep for most of the remaining time using SDLContext
+        if (remaining_time > std::chrono::microseconds(2000)) { // 2ms threshold
+            SDLContext::get_instance().delay(
+                std::chrono::duration_cast<std::chrono::milliseconds>(remaining_time).count());
+        }
+
+        // Busy-wait for the last tiny remaining duration
+        while (std::chrono::steady_clock::now() - current_frame_time < remaining_time) {
+            // Busy wait
+        }
+    }
+
+    this->last_frame_time = std::chrono::steady_clock::now(); // Update frame time
 }
 
 double LoopTimer::get_lag() const {