Maintenance

Engine/premake5.lua

@@ -50,7 +50,7 @@ project "Engine"
 	--- Filters ---
 	-- windows
 	filter "system:windows"
-		defines "LT_PLATFORM_WINDOWS"
+		defines "LIGHT_PLATFORM_WINDOWS"
 		systemversion "latest"
 		staticruntime "On"
 

Engine/src/Engine/Base.h

@@ -2,7 +2,7 @@
 
 #include "Core/Logger.h"
 
-#if defined(LT_PLATFORM_WINDOWS)
+#if defined(LIGHT_PLATFORM_WINDOWS)
 	#define LT_BUILD_PLATFORM "Windows"
 #elif defined(LT_PLATFORM_LINUX)
 	#error "Unsupported platform: UNIX"

Engine/src/Engine/Core/Application.cpp

@@ -4,49 +4,60 @@
 #include "Logger.h"
 #include "Window.h"
 
-#include "Events/MouseEvents.h"
+#include "Events/Event.h"
 
-#include <typeinfo>
-#include <functional>
+#include "Graphics/GraphicsContext.h"
+#include "Graphics/RenderCommand.h"
+
+#include "UserInterface/UserInterface.h"
 
 namespace Light {
 
 	Application::Application()
 	{
 		Logger::Initialize();
-
 		m_Window = std::unique_ptr<Window>(Window::Create({ "Title", 800u, 600u, false }, std::bind(&Application::OnEvent, this , std::placeholders::_1)));
-
-		LT_ENGINE_INFO("Initialized Logger");
 	}
 
 	Application::~Application()
 	{
+		LT_ENGINE_INFO("Application::~Application: Terminating Application");
 	}
 
 	void Application::GameLoop()
 	{
 		while (m_Window->IsOpen())
 		{
+			// Events
 			m_Window->PollEvents();
 
+			// Rendering
 			m_Window->GetGfxContext()->GetRenderCommand()->SwapBuffers();
 			m_Window->GetGfxContext()->GetRenderCommand()->ClearBackBuffer();
 
-			m_Window->GetGfxContext()->GetUserInterface()->Begin();
+			// Update
+			// ...
 
+			// UserInterface
+			m_Window->GetGfxContext()->GetUserInterface()->Begin();
 			m_Window->GetGfxContext()->GetUserInterface()->End();
 		}
 	}
 
 	void Application::OnEvent(const Event& event)
 	{
+		// Window
 		if (event.HasCategory(WindowEventCategory))
 			m_Window->OnEvent(event);
 
+		// UserInterface
 		if (event.HasCategory(InputEventCategory))
 			m_Window->GetGfxContext()->GetUserInterface()->OnInput(event);
 
+		// Input
+		// ...
+
+		// Layers
 		m_LayerStack.OnEvent(event);
 	}
 

Engine/src/Engine/Core/Application.h

@@ -2,22 +2,23 @@
 
 #include "Base.h"
 
-#include "Events/Event.h"
-
 #include "Layer/LayerStack.h"
 
-#include <memory>
-
 namespace Light {
 
 	class Window;
+	class Event;
 
 	class Application
 	{
 	private:
 		std::unique_ptr<Window> m_Window = nullptr;
 		LayerStack m_LayerStack;
+
 	public:
+		Application(const Application&) = delete;
+		Application& operator=(const Application&) = delete;
+
 		virtual ~Application();
 
 		void GameLoop();

Engine/src/Engine/Core/Logger.cpp

@@ -5,8 +5,8 @@
 
 namespace Light {
 
-	std::shared_ptr<spdlog::logger> Logger::s_EngineLogger;
-	std::shared_ptr<spdlog::logger> Logger::s_ClientLogger;
+	std::shared_ptr<spdlog::logger> Logger::s_EngineLogger = nullptr;
+	std::shared_ptr<spdlog::logger> Logger::s_ClientLogger = nullptr;
 
 	void Light::Logger::Initialize()
 	{

Engine/src/Engine/Core/Logger.h

@@ -1,6 +1,4 @@
 #pragma once
-// TODO: File logger
-//
 
 #include "Base.h"
 
@@ -40,7 +38,10 @@ namespace Light {
 	{
 	private:
 		static std::shared_ptr<spdlog::logger> s_EngineLogger, s_ClientLogger;
+
 	public:
+		Logger() = delete;
+
 		static void Initialize();
 
 		static inline std::shared_ptr<spdlog::logger> GetEngineLogger() { return s_EngineLogger; }

Engine/src/Engine/Core/Window.h

@@ -2,14 +2,11 @@
 
 #include "Base.h"
 
-#include "Events/Event.h"
-
-#include "Graphics/GraphicsContext.h"
-
-#include <string>
-
 namespace Light {
 
+	class Event;
+	class GraphicsContext;
+
 	struct WindowProperties
 	{
 		std::string title;
@@ -22,7 +19,11 @@ namespace Light {
 	protected:
 		std::unique_ptr<GraphicsContext> m_GraphicsContext;
 		bool b_Open;
+
 	public:
+		Window(const Window&) = delete;
+		Window& operator=(const Window&) = delete;
+
 		virtual ~Window() = default;
 
 		inline GraphicsContext* GetGfxContext() { return m_GraphicsContext.get(); }
@@ -38,6 +39,9 @@ namespace Light {
 		virtual inline void* GetNativeHandle() = 0;
 
 		static Window* Create(const WindowProperties& properties, std::function<void(Event&)> callback);
+
+	protected:
+		Window() = default;
 	};
 
 }

Engine/src/Engine/EntryPoint.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#ifdef LT_PLATFORM_WINDOWS
+#ifdef LIGHT_PLATFORM_WINDOWS
 
 // To be defined in client project
 extern Light::Application* Light::CreateApplication();

Engine/src/Engine/Events/Event.h

@@ -2,10 +2,6 @@
 
 #include "Base.h"
 
-#include <ostream>
-
-#include <vector>
-
 namespace Light {
 
 	enum class EventType
@@ -13,8 +9,8 @@ namespace Light {
 		None = 0,
 
 		// input
-		MouseMoved, WheelScrolled, ButtonPressed, ButtonReleased, // mouse
-		KeyPressed, KeyReleased, // keyboard
+		MouseMoved, WheelScrolled, ButtonPressed, ButtonReleased,
+		KeyPressed, KeyReleased,
 
 		// window
 		WindowMoved, WindowResized, WindowClosed, WindowLostFocus, WindowGainFocus,

Engine/src/Engine/Events/KeyboardEvents.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "Base.h"
-
 #include "Event.h"
 
 #include <sstream>

Engine/src/Engine/Events/MouseEvents.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "Base.h"
-
 #include "Event.h"
 
 #include <glm/glm.hpp>

Engine/src/Engine/Events/WindowEvents.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "Base.h"
-
 #include "Event.h"
 
 #include <glm/glm.hpp>

Engine/src/Engine/Graphics/GraphicsContext.cpp

@@ -1,29 +1,45 @@
 #include "ltpch.h"
 #include "GraphicsContext.h"
-
 #include "OpenGL/glGraphicsContext.h"
 
+#include "RenderCommand.h"
+#include "UserInterface/UserInterface.h" 
+
 namespace Light {
 
 	GraphicsContext* GraphicsContext::s_Context = nullptr;
 
 	GraphicsContext* GraphicsContext::Create(GraphicsAPI api, GLFWwindow* windowHandle)
 	{
+		// terminate gfx context dependent classes
+		if (s_Context)
+		{
+			s_Context->m_RenderCommand.reset();
+			s_Context->m_UserInterface.reset();
+		}
+
+		// create gfx context
 		switch (api)
 		{
 		case Light::GraphicsAPI::Default:
 		case Light::GraphicsAPI::OpenGL:
 			s_Context = new glGraphicsContext(windowHandle);
+			break;
+		default:
+			break;
+			// TODO: ASSERT
+		}
+
+		// create gfx context dependent classes
+		if (s_Context)
+		{
 			s_Context->m_RenderCommand = std::unique_ptr<RenderCommand>(RenderCommand::Create(windowHandle));
 			s_Context->m_UserInterface = std::unique_ptr<UserInterface>(UserInterface::Create(windowHandle));
 			// ...Renderer
 			// ...UserInterface...
-
-			return s_Context;
-
-		default:
-			return nullptr; // TODO: Add ASSERT
 		}
+
+		return s_Context;
 	}
 
 }

Engine/src/Engine/Graphics/GraphicsContext.h

@@ -2,14 +2,14 @@
 
 #include "Base.h"
 
-#include "RenderCommand.h"
 
-#include "UserInterface/UserInterface.h"
-
-struct GLFWwindow {};
+struct GLFWwindow;
 
 namespace Light {
 
+	class RenderCommand;
+	class UserInterface;
+
 	enum class GraphicsAPI 
 	{
 		Default, OpenGL // TODO: Add DirectX, Vulkan, Metal.
@@ -22,18 +22,25 @@ namespace Light {
 
 		std::unique_ptr<RenderCommand> m_RenderCommand;
 		std::unique_ptr<UserInterface> m_UserInterface;
+
 	protected:
 		GraphicsAPI m_GraphicsAPI;
 
 	public:
-		virtual ~GraphicsContext() = default;
+		GraphicsContext(const GraphicsContext&) = delete;
+		GraphicsContext& operator=(const GraphicsContext&) = delete;
 
+		virtual ~GraphicsContext() = default;
+	
 		static GraphicsContext* Create(GraphicsAPI api, GLFWwindow* windowHandle);
 
 		static inline GraphicsAPI GetGraphicsAPI() { return s_Context->m_GraphicsAPI; }
 
 		inline RenderCommand* GetRenderCommand() { return m_RenderCommand.get(); }
 		inline UserInterface* GetUserInterface() { return m_UserInterface.get(); }
+
+	protected:
+		GraphicsContext() = default;
 	};
 
 }

Engine/src/Engine/Graphics/RenderCommand.cpp

@@ -1,10 +1,9 @@
 #include "ltpch.h"
 #include "RenderCommand.h"
+#include "OpenGL/glRenderCommand.h"
 
 #include "GraphicsContext.h"
 
-#include "OpenGL/glRenderCommand.h"
-
 namespace Light {
 
 	RenderCommand* RenderCommand::Create(GLFWwindow* windowHandle)

Engine/src/Engine/Graphics/RenderCommand.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include "Base.h"
+
 struct GLFWwindow;
 
 namespace Light {
@@ -8,13 +10,21 @@ namespace Light {
 	{
 	private:
 	public:
-		static RenderCommand* Create(GLFWwindow* windowHandle);
+		RenderCommand(const RenderCommand&) = delete;
+		RenderCommand& operator=(const RenderCommand&) = delete;
+
+		virtual ~RenderCommand() = default;
 
 		virtual void SwapBuffers() = 0;
 		virtual void ClearBackBuffer() = 0;
 
 		virtual void Draw(unsigned int count) = 0;
 		virtual void DrawIndexed(unsigned int count) = 0;
+
+		static RenderCommand* Create(GLFWwindow* windowHandle);
+
+	protected:
+		RenderCommand() = default;
 	};
 
 }

Engine/src/Engine/Graphics/Shader.cpp

@@ -0,0 +1,7 @@
+#include "ltpch.h"
+#include "Shader.h"
+
+namespace Light {
+
+
+}

Engine/src/Engine/Graphics/Shader.h

@@ -0,0 +1,20 @@
+#pragma once
+
+namespace Light {
+
+	class Shader
+	{
+	private:
+	public:
+		static Shader* Create();
+
+		virtual ~Shader() = default;
+
+		virtual void Bind() = 0;
+		virtual void UnBind() = 0;
+
+	protected:
+		Shader() = default;
+	};
+
+}

Engine/src/Engine/Layer/Layer.h

@@ -2,14 +2,22 @@
 
 #include "Base.h"
 
-#include "Events/MouseEvents.h"
-#include "Events/KeyboardEvents.h"
-#include "Events/WindowEvents.h"
-
-#include <string>
-
 namespace Light {
 
+	class MouseMovedEvent;
+	class ButtonPressedEvent;
+	class ButtonReleasedEvent;
+	class WheelScrolledEvent;
+
+	class KeyPressedEvent;
+	class KeyReleasedEvent;
+
+	class WindowClosedEvent;
+	class WindowResizedEvent;
+	class WindowMovedEvent;
+	class WindowLostFocusEvent;
+	class WindowGainFocusEvent;
+
 	class Layer
 	{
 	private:
@@ -43,27 +51,4 @@ namespace Light {
 		virtual bool OnWindowGainFocus(const WindowGainFocusEvent& event) { return false; }
 	};
 
-	class TestLayer : public Layer
-	{
-	public:
-		TestLayer(const std::string& name): Layer(name) {}
-
-		// Mouse events
-		virtual bool OnMouseMoved(const MouseMovedEvent& event) override { LT_ENGINE_TRACE("{}", event.GetInfoLog()); return false; }
-		virtual bool OnButtonPressed(const ButtonPressedEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-		virtual bool OnButtonReleased(const ButtonReleasedEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-		virtual bool OnWheelScrolled(const WheelScrolledEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-
-		// Keyboard events
-		virtual bool OnKeyPressed(const KeyPressedEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-		virtual bool OnKeyReleased(const KeyReleasedEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-
-		// Window events
-		virtual bool OnWindowClosed(const WindowClosedEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-		virtual bool OnWindowResized(const WindowResizedEvent& event) { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-		virtual bool OnWindowMoved(const WindowMovedEvent& event) { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-		virtual bool OnWindowLostFocus(const WindowLostFocusEvent& event) { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-		virtual bool OnWindowGainFocus(const WindowGainFocusEvent& event) { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-	};
-
 }

Engine/src/Engine/Layer/LayerStack.cpp

@@ -1,7 +1,12 @@
 #include "ltpch.h"
 #include "LayerStack.h"
 
-#include <functional>
+#include "Layer.h"
+
+#include "Events/Event.h"
+#include "Events/MouseEvents.h"
+#include "Events/KeyboardEvents.h"
+#include "Events/WindowEvents.h"
 
 namespace Light {
 

Engine/src/Engine/Layer/LayerStack.h

@@ -2,14 +2,11 @@
 
 #include "Base.h"
 
-#include "Layer.h"
-
-#include "Events/Event.h"
-
-#include <vector>
-
 namespace Light {
 
+	class Layer;
+	class Event;
+
 	class LayerStack
 	{
 	private:
@@ -38,7 +35,6 @@ namespace Light {
 	private:
 		void AttachLayerImpl(Layer* layer);
 		void DetatchLayerImpl(Layer* layer);
-
 	};
 
 }

Engine/src/Engine/UserInterface/UserInterface.cpp

@@ -1,11 +1,12 @@
 #include "ltpch.h"
 #include "UserInterface.h"
-
-#include "Graphics/GraphicsContext.h"
 #include "OpenGL/glUserInterface.h"
 
-#include "Events/KeyboardEvents.h"
+#include "Graphics/GraphicsContext.h"
+
+#include "Events/Event.h"
 #include "Events/MouseEvents.h"
+#include "Events/KeyboardEvents.h"
 
 #include <imgui.h>
 

Engine/src/Engine/UserInterface/UserInterface.h

@@ -2,22 +2,28 @@
 
 #include "Base.h"
 
-#include "Events/Event.h"
-
 struct GLFWwindow;
 
 namespace Light {
 
+	class Event;
+
 	class UserInterface
 	{
-	private:
 	public:
-		static UserInterface* Create(GLFWwindow* windowHandle);
+		UserInterface(const UserInterface&) = delete;
+		UserInterface operator=(const UserInterface&) = delete;
+
+		virtual ~UserInterface() = default;
 
 		void OnInput(const Event& inputEvent);
 
 		virtual void Begin() = 0;
 		virtual void End() = 0;
+
+		static UserInterface* Create(GLFWwindow* windowHandle);
+	protected:
+		UserInterface() = default;
 	};
 
 }

Engine/src/LightEngine.h

@@ -1,11 +1,30 @@
 #pragma once
 
+// Core
+#include "Core/Application.h"
+#include "Core/Window.h"
+#include "Core/Logger.h"
+
+// Events
 #include "Events/Event.h"
 #include "Events/KeyboardEvents.h"
 #include "Events/MouseEvents.h"
+#include "Events/WindowEvents.h"
 
-#include "Core/Application.h"
-#include "Core/Logger.h"
+// Graphics
+#include "Graphics/GraphicsContext.h"
+#include "Graphics/RenderCommand.h"
 
+// Layer
+#include "Layer/Layer.h"
+#include "Layer/LayerStack.h"
+
+// UserInterface
+#include "UserInterface/UserInterface.h"
+
+// Base
 #include "Base.h"
-#include "EntryPoint.h"
+
+#ifdef LIGHT_ENTRY_POINT
+	#include "EntryPoint.h"
+#endif

Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.cpp

@@ -1,6 +1,10 @@
 #include "ltpch.h"
 #include "glGraphicsContext.h"
 
+// Required for forward declaration
+#include "Graphics/RenderCommand.h"
+#include "UserInterface/UserInterface.h" 
+
 #include <glad/glad.h>
 #include <GLFW/glfw3.h>
 

Engine/src/Platform/GraphicsAPI/OpenGL/glRenderCommand.h

@@ -3,13 +3,13 @@
 #include "Base.h"
 #include "Graphics/RenderCommand.h"
 
-
 namespace Light {
 
 	class glRenderCommand : public RenderCommand
 	{
 	private:
 		GLFWwindow* m_WindowHandle;
+
 	public:
 		glRenderCommand(GLFWwindow* windowHandle);
 
@@ -20,5 +20,4 @@ namespace Light {
 		void DrawIndexed(unsigned int count) override;
 	};
 
-
 }

Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.cpp

@@ -1,9 +1,6 @@
 #include "ltpch.h"
 #include "glUserInterface.h"
 
-#include "Events/KeyboardEvents.h"
-#include "Events/MouseEvents.h"
-
 #include <imgui.h>
 #include <imgui_impl_glfw.h>
 #include <imgui_impl_opengl3.h>

Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.h

@@ -3,13 +3,10 @@
 #include "Base.h"
 #include "UserInterface/UserInterface.h"
 
-#include "Events/Event.h"
-
 namespace Light {
 
 	class glUserInterface : public UserInterface
 	{
-	private:
 	public:
 		glUserInterface(GLFWwindow* windowHandle);
 		~glUserInterface();

Engine/src/Platform/OS/Windows/wWindow.cpp

@@ -1,12 +1,15 @@
 #include "ltpch.h"
 #include "wWindow.h"
 
-#include "Events/KeyboardEvents.h"
+#include "Events/Event.h"
 #include "Events/MouseEvents.h"
+#include "Events/KeyboardEvents.h"
 #include "Events/WindowEvents.h"
 
 #include "Graphics/GraphicsContext.h"
 
+#include <GLFW/glfw3.h>
+
 namespace Light {
 
 	Window* Window::Create(const WindowProperties& properties, std::function<void(Event&)> callback)

Engine/src/Platform/OS/Windows/wWindow.h

@@ -1,18 +1,14 @@
 #pragma once
-#define GLFW_INCLUDE_NONE
 
 #include "Base.h"
-
 #include "Core/Window.h"
 
-#include "Events/Event.h"
-#include <GLFW/glfw3.h>
-
-#include <memory>
-
+struct GLFWwindow;
 
 namespace Light {
 
+	class Event;
+
 	class wWindow : public Window
 	{
 	private:
@@ -20,6 +16,7 @@ namespace Light {
 		WindowProperties m_Properties;
 
 		std::function<void(Event&)> m_EventCallback;
+
 	public:
 		wWindow(const WindowProperties& properties, std::function<void(Event&)> callback);
 
@@ -32,6 +29,7 @@ namespace Light {
 		virtual unsigned int GetHeight() override;
 
 		virtual inline void* GetNativeHandle() override { return m_Handle; }
+
 	private:
 		void BindGlfwEvents();
 	};

Sandbox/imgui.ini

@@ -4,8 +4,8 @@ Size=400,400
 Collapsed=0
 
 [Window][Dear ImGui Demo]
-Pos=248,45
-Size=550,536
+Pos=276,-1
+Size=521,536
 Collapsed=0
 
 [Table][0xC9935533,3]

Sandbox/premake5.lua

@@ -47,7 +47,7 @@ project "Sandbox"
 	--- Filters ---
 	-- windows
 	filter "system:windows"
-		defines "LT_PLATFORM_WINDOWS"
+		defines "LIGHT_PLATFORM_WINDOWS"
 		systemversion "latest"
 		staticruntime "On"
 

Sandbox/src/SandboxApp.cpp

@@ -1,3 +1,4 @@
+#define LIGHT_ENTRY_POINT
 #include <LightEngine.h>
 
 #include "SandboxLayer.h"