From 1813ad138ce3d4858bfd4fa1603981d03c4a21e3 Mon Sep 17 00:00:00 2001
From: mushgunAX <mushgun_ax@hotmail.com>
Date: Tue, 27 Sep 2022 22:05:59 +0800
Subject: [PATCH] FRC changed

---
 .../src/Application/SBApplication.cpp         |  3 ++
 .../src/FRC/SHFramerateController.cpp         | 22 +++++++++-
 SHADE_Engine/src/FRC/SHFramerateController.h  | 44 +++++++++++++++++++
 3 files changed, 68 insertions(+), 1 deletion(-)

diff --git a/SHADE_Application/src/Application/SBApplication.cpp b/SHADE_Application/src/Application/SBApplication.cpp
index 20aa3b5a..97c78ad6 100644
--- a/SHADE_Application/src/Application/SBApplication.cpp
+++ b/SHADE_Application/src/Application/SBApplication.cpp
@@ -24,6 +24,7 @@
 #include "Scene/SHSceneManager.h"
 #include "Math/Transform/SHTransformSystem.h"
 #include "Input/SHInputManagerSystem.h"
+#include "FRC/SHFramerateController.h"
 
 #include "Scenes/SBTestScene.h"
 #include "Math/Transform/SHTransformComponent.h"
@@ -95,6 +96,7 @@ namespace Sandbox
 	#endif
 
     SHSceneManager::InitSceneManager<SBTestScene>("TestScene");
+    SHFrameRateController::UpdateFRC();
   }
 
   void SBApplication::Update(void)
@@ -103,6 +105,7 @@ namespace Sandbox
     //TODO: Change true to window is open
     while (!window.WindowShouldClose())
     {
+      SHFrameRateController::UpdateFRC();
       SHSceneManager::UpdateSceneManager();
       SHSceneManager::SceneUpdate(1/60.0f);
       //#ifdef SHEDITOR
diff --git a/SHADE_Engine/src/FRC/SHFramerateController.cpp b/SHADE_Engine/src/FRC/SHFramerateController.cpp
index d64c6336..0791d628 100644
--- a/SHADE_Engine/src/FRC/SHFramerateController.cpp
+++ b/SHADE_Engine/src/FRC/SHFramerateController.cpp
@@ -9,12 +9,31 @@
 	 consent of DigiPen Institute of Technology is prohibited.
  *********************************************************************/
 
+
+//TODO Legacy code. Delete soon
+
 #include <chrono>
 #include <cassert>
 #include <SHpch.h>
 #include "SHFramerateController.h"
 #include "../Tools/SHLogger.h"
 
+namespace SHADE
+{
+	double SHFrameRateController::rawDeltaTime = 0.0;
+	std::chrono::steady_clock::time_point SHFrameRateController::prevFrameTime = std::chrono::high_resolution_clock::now();
+
+	void SHFrameRateController::UpdateFRC() noexcept
+	{
+		std::chrono::duration<double> deltaTime;
+		deltaTime = std::chrono::high_resolution_clock::now() - prevFrameTime;
+		prevFrameTime = std::chrono::high_resolution_clock::now();
+		rawDeltaTime = deltaTime.count();
+	}
+}
+
+//TODO Legacy code. Delete soon
+#if 0
 namespace SHADE
 {
 	//Init statics
@@ -131,4 +150,5 @@ namespace SHADE
 			currentScene = nextScene;
 		}
 	}
-}
\ No newline at end of file
+}
+#endif
\ No newline at end of file
diff --git a/SHADE_Engine/src/FRC/SHFramerateController.h b/SHADE_Engine/src/FRC/SHFramerateController.h
index 26f276d8..b9637cf2 100644
--- a/SHADE_Engine/src/FRC/SHFramerateController.h
+++ b/SHADE_Engine/src/FRC/SHFramerateController.h
@@ -13,6 +13,38 @@
 #define SH_FRAMERATECONTROLLER_H
 #pragma once
 
+#include <chrono>
+#include "Tools/SHLogger.h" 
+#include "SH_API.h"
+
+namespace SHADE
+{
+	class SH_API SHFrameRateController
+	{
+	private:
+		//Varying delta time. The actual time it took for every frame
+		static double rawDeltaTime;
+		static std::chrono::steady_clock::time_point prevFrameTime;
+
+
+	public:
+		//Gets the raw delta time
+		static inline double GetRawDeltaTime() noexcept
+		{
+			return rawDeltaTime;
+		}
+
+		//Updates the raw delta time accordingly
+		static void UpdateFRC() noexcept;
+
+	};
+
+}
+
+
+
+//TODO Legacy code. Delete soon
+#if 0
 #include "../Scene/SHScene.h"
 
 namespace SHADE
@@ -56,7 +88,19 @@ namespace SHADE
 		//halt execution of the current scene and prepare
 		//execution of the next
 		static inline void SetNextScene(SHScene* const next) { nextScene = next; }
+
+
+
 	};
+
+
+
 }
+#endif
+
+
+
+
+
 
 #endif
\ No newline at end of file