Reworked ogfx::WindowBase update loop logic

other/build.nr

@@ -1 +1 @@
-1962
+1966

src/ogfx/RawTextInput.hpp

@@ -39,7 +39,7 @@ namespace ogfx
 					uint8_t extraPaddingLeft { 0 };
 
 					bool cursorBlink { true };
-					ostd::Counter cursorBlinkCounter { 1 };
+					ostd::Counter cursorBlinkCounter { 30 };
 			};
 			public: struct tDefaultThemes
 			{
@@ -54,7 +54,7 @@ namespace ogfx
 					0,						//Extra Padding Left
 
 					true,					//Cursor Blink
-					{ 1 }				//Cursor Blink Timer
+					{ 30 }				//Cursor Blink Timer
 				};
 				inline static const Theme DefaultTheme {
 					{ 120, 	120, 	180 },	//Text Color
@@ -67,7 +67,7 @@ namespace ogfx
 					0,						//Extra Padding Left
 
 					true,					//Cursor Blink
-					{ 1 }				//Cursor Blink Timer
+					{ 30 }				//Cursor Blink Timer
 				};
 			};
 			public: enum eActionEventType { None = 0, Enter, Tab };
@@ -135,7 +135,7 @@ namespace ogfx
 				uint16_t m_cursorPosition { 0 };
 				bool m_cursorState { true };
 
-				ostd::Counter m_keyRepeatCounter { 80 };
+				ostd::Counter m_keyRepeatCounter { 1 };
 				char m_lastChar { 0 };
 				int32_t m_lastKeyCode { 0 };
 

src/ogfx/WindowBase.cpp

@@ -1,4 +1,5 @@
 #include "WindowBase.hpp"
+#include "Time.hpp"
 
 namespace ogfx
 {
@@ -43,6 +44,18 @@ namespace ogfx
 		m_initialized = true;
 		m_running = true;
 
+		m_fixedUpdateTImer.create(60.0, [this](double frameTime_s){
+			this->onFixedUpdate(frameTime_s);
+		});
+
+		m_fpsUpdateTimer.create(1.0, [this](double frameTime_s){
+			if (this->m_frameCount == 0) return;
+			if (this->m_frameTimeAcc == 0) return;
+			this->m_fps = (int32_t)(1.0f / (static_cast<double>(this->m_frameTimeAcc) / static_cast<double>(this->m_frameCount)));
+			this->m_frameTimeAcc = 0;
+			this->m_frameCount = 0;
+		});
+
 		setTypeName("dragon::WindowBase");
 		enableSignals(true);
 		validate();
@@ -50,34 +63,27 @@ namespace ogfx
 		onInitialize();
 	}
 
+	void WindowBase::close(void)
+	{
+			m_running = false;
+			onClose();
+			ostd::SignalHandler::emitSignal(ostd::tBuiltinSignals::WindowClosed, ostd::tSignalPriority::RealTime, *this);
+	}
+
 	void WindowBase::update(void)
 	{
 		if (!m_initialized) return;
-		Uint64 start = SDL_GetPerformanceCounter();
+		__handle_events();
-		handleEvents();
 		SDL_SetRenderDrawColor(m_renderer, m_clearColor.r, m_clearColor.g, m_clearColor.b, m_clearColor.a);
 		if (m_refreshScreen)
 			SDL_RenderClear(m_renderer);
+		m_fixedUpdateTImer.update();
 		onUpdate();
 		onRender();
 		SDL_RenderPresent(m_renderer);
-		Uint64 end = SDL_GetPerformanceCounter();
+		m_frameTimeAcc += m_fpsUpdateClock.restart(ostd::eTimeUnits::Seconds);
-		float elapsed = (end - start) / (float)SDL_GetPerformanceFrequency();
+		m_frameCount++;
-		m_redrawAccumulator += elapsed;
+		m_fpsUpdateTimer.update();
-		if (m_redrawAccumulator >= 0.2f)
-		{
-			onFixedUpdate();
-			m_redrawAccumulator = 0.0f;
-		}
-		end = SDL_GetPerformanceCounter();
-		elapsed = (end - start) / (float)SDL_GetPerformanceFrequency();
-		m_timeAccumulator += elapsed;
-		if (m_timeAccumulator >= 0.5f)
-		{
-			onSlowUpdate();
-			m_fps = (int32_t)(1.0f / elapsed);
-			m_timeAccumulator = 0.0f;
-		}
 	}
 
 	void WindowBase::setSize(int32_t width, int32_t height)
@@ -110,14 +116,12 @@ namespace ogfx
 		}
 	}
 
-
 	void WindowBase::enableResizable(bool enable)
 	{
 		SDL_SetWindowResizable(m_window, (enable ? SDL_TRUE : SDL_FALSE));
 	}
 
-
+	void WindowBase::__handle_events(void)
-	void WindowBase::handleEvents(void)
 	{
 		if (!m_initialized) return;
 		auto l_getMouseState = [this](void) -> MouseEventData {

src/ogfx/WindowBase.hpp

@@ -3,6 +3,7 @@
 #include <ogfx/SDLInclude.hpp>
 #include <ostd/Signals.hpp>
 #include <ostd/IOHandlers.hpp>
+#include <ostd/Time.hpp>
 
 namespace ogfx
 {
@@ -14,7 +15,7 @@ namespace ogfx
 			~WindowBase(void);
 			inline WindowBase(int32_t width, int32_t height, const ostd::String& windowTitle) { initialize(width, height, windowTitle); }
 			void initialize(int32_t width, int32_t height, const ostd::String& windowTitle);
-
+			void close(void);
 			void update(void);
 			void setSize(int32_t width, int32_t height);
 			void setTitle(const ostd::String& title);
@@ -23,27 +24,26 @@ namespace ogfx
 
 			inline virtual void onRender(void) {  }
 			inline virtual void onUpdate(void) {  }
-			inline virtual void onFixedUpdate(void) {  }
+			inline virtual void onFixedUpdate(double frameTime_s) {  }
-			inline virtual void onSlowUpdate(void) {  }
 			inline virtual void onInitialize(void) {  }
 			inline virtual void onDestroy(void) {  }
+			inline virtual void onClose(void) { }
 
 			inline bool isInitialized(void) const { return m_initialized; }
 			inline bool isRunning(void) const { return m_running; }
-			inline void close(void) { m_running = false; }
 			inline void hide(void) { SDL_HideWindow(m_window); }
 			inline void show(void) { SDL_ShowWindow(m_window); }
 			inline ostd::String getTitle(void) const { return m_title; }
 			inline int32_t getFPS(void) const { return m_fps; }
 			inline int32_t getWindowWidth(void) const { return m_windowWidth; }
 			inline int32_t getWindowHeight(void) const { return m_windowHeight; }
-			inline SDL_Renderer* getSDLRenderer(void) const { return m_renderer; }
 			inline bool isMouseDragEventEnabled(void) const { return m_deagEventEnabled; }
 			inline void enableMouseDragEvent(bool enable = true) { m_deagEventEnabled = enable; }
 			inline ostd::Color getClearColor(void) const { return m_clearColor; }
 			inline void setClearColor(const ostd::Color& color) { m_clearColor = color; }
+			inline SDL_Renderer* getSDLRenderer(void) const { return m_renderer; }
 		private:
-			void handleEvents(void);
+			void __handle_events(void);
 
 		protected:
 			ostd::ConsoleOutputHandler out;
@@ -53,15 +53,18 @@ namespace ogfx
 			bool m_refreshScreen { true };
 
 		private:
+			ostd::Color m_clearColor { 10, 10, 10, 255 };
+
 			int32_t m_windowWidth { 0 };
 			int32_t m_windowHeight { 0 };
 			ostd::String m_title { "" };
 			int32_t m_fps { 0 };
 
-			ostd::Color m_clearColor { 10, 10, 10, 255 };
+			ostd::StepTimer m_fixedUpdateTImer;
-
+			ostd::StepTimer m_fpsUpdateTimer;
-			float m_timeAccumulator { 0.0f };
+			ostd::Timer m_fpsUpdateClock;
-			float m_redrawAccumulator { 0.0f };
+			uint64_t m_frameTimeAcc { 0 };
+			int32_t m_frameCount { 0 };
 
 			bool m_deagEventEnabled { false };
 			bool m_running { false };

src/ostd/Time.hpp

@@ -72,6 +72,7 @@ namespace ostd
 			uint64_t startCount(eTimeUnits timeUnit = eTimeUnits::Nanoseconds);
 			uint64_t end(bool print = true);
 			uint64_t endCount(bool stop = true);
+			uint64_t restart(eTimeUnits timeUnit = eTimeUnits::Nanoseconds);
 
 			static uint64_t getEpoch(eTimeUnits timeUnit = eTimeUnits::Milliseconds);
 

src/ostd/Utils.cpp

@@ -9,6 +9,7 @@
 #include <chrono>
 #include <algorithm>
 #include <cctype>
+#include <cstdint>
 #include <string>
 #include <sstream>
 #include <fstream>
@@ -575,6 +576,18 @@ namespace ostd
 		return diff;
 	}
 
+	uint64_t Timer::restart(eTimeUnits timeUnit)
+	{
+		if (!m_started)
+		{
+			startCount(timeUnit);
+			return 0;
+		}
+		uint64_t elapsed = endCount();
+		startCount(timeUnit);
+		return elapsed;
+	}
+
 	uint64_t Timer::getEpoch(eTimeUnits timeUnit)
 	{
 		switch (timeUnit)

src/test.cpp

@@ -62,7 +62,7 @@ class Window : public ogfx::WindowBase
 			m_textInput.render(m_gfx);
 		}
 
-		inline void onFixedUpdate(void) override
+		inline void onFixedUpdate(double frameTime_s) override
 		{
 			m_textInput.fixedUpdate();
 		}