From 0fe28f4759c23e55fe2a5f40f513120907abff4b Mon Sep 17 00:00:00 2001
From: ohyzha <oleksii.hyzha.ext@madvoxel.com>
Date: Tue, 27 Aug 2024 09:26:10 +0300
Subject: [PATCH] switch to microseconds

---
 openVulkanoCpp/Host/GraphicsAppManager.cpp | 14 +++-----------
 openVulkanoCpp/Host/GraphicsAppManager.hpp |  4 ++--
 2 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/openVulkanoCpp/Host/GraphicsAppManager.cpp b/openVulkanoCpp/Host/GraphicsAppManager.cpp
index 9377b56..e880467 100644
--- a/openVulkanoCpp/Host/GraphicsAppManager.cpp
+++ b/openVulkanoCpp/Host/GraphicsAppManager.cpp
@@ -81,25 +81,17 @@ namespace OpenVulkano
 	{ 
 		if (newFpsCap < 0)
 		{
-			cappedFrameTime = std::chrono::milliseconds(0);
+			cappedFrameTime = std::chrono::microseconds(0);
 		}
 		else
 		{
-			cappedFrameTime = std::chrono::milliseconds(1000 / newFpsCap);
+			cappedFrameTime = std::chrono::microseconds(1'000'000 / newFpsCap);
 		}
 	}
 
 	void GraphicsAppManager::OnCappedFPS(const auto& frameStartTime) 
 	{
-		int32_t fpsCap = engineConfig->GetFpsCap();
-		fpsCapRemainder += 1000 % fpsCap;
-		auto expectedFrameTime = cappedFrameTime;
-		if (fpsCapRemainder >= fpsCap)
-		{
-			expectedFrameTime += std::chrono::milliseconds(1);
-			fpsCapRemainder -= fpsCap;
-		}
-		auto frameEndTime = frameStartTime + expectedFrameTime;
+		auto frameEndTime = frameStartTime + cappedFrameTime;
 		while (clock::now() < frameEndTime)
 		{
 			std::this_thread::yield();
diff --git a/openVulkanoCpp/Host/GraphicsAppManager.hpp b/openVulkanoCpp/Host/GraphicsAppManager.hpp
index d28490b..d48704a 100644
--- a/openVulkanoCpp/Host/GraphicsAppManager.hpp
+++ b/openVulkanoCpp/Host/GraphicsAppManager.hpp
@@ -37,8 +37,8 @@ namespace OpenVulkano
 		RenderAPI::RenderApi renderApi;
 		bool paused = false, running = false;
 		float fpsTimer = 0, avgFps = 0, avgFrameTime = 0;
-		uint64_t frameCount = 0, lastFrameCount = 0, fpsCapRemainder = 0;
-		std::chrono::milliseconds cappedFrameTime = std::chrono::milliseconds(0);
+		uint64_t frameCount = 0, lastFrameCount = 0;
+		std::chrono::microseconds cappedFrameTime = std::chrono::microseconds(0);
 		Timer frameTimer;
 		std::string windowTitleFormat;
 		Input::InputManager* inputManager;