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TheChernoTheCherno
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Initial commit with example code
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‎.gitignore

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# Directories
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.vs/
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/bin/
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bin-int/
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# Files
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*.user

‎.gitmodules

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[submodule "OpenGL-Core/vendor/glfw"]
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path = OpenGL-Core/vendor/glfw
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url = https://github.com/TheCherno/glfw
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[submodule "OpenGL-Core/vendor/spdlog"]
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path = OpenGL-Core/vendor/spdlog
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url = https://github.com/gabime/spdlog
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[submodule "OpenGL-Core/vendor/glm"]
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path = OpenGL-Core/vendor/glm
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url = https://github.com/g-truc/glm
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[submodule "OpenGL-Core/vendor/imgui"]
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path = OpenGL-Core/vendor/imgui
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url = https://github.com/TheCherno/imgui

‎OpenGL-Core/src/GLCore.h

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#pragma once
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// Main header file - include into application for complete access
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#include <glad/glad.h>
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#include <glm/glm.hpp>
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#include <glm/gtc/type_ptr.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <imgui.h>
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#include "GLCore/Core/Application.h"

‎OpenGL-Core/src/GLCore/Core/Application.cpp

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#include "glpch.h"
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#include "Application.h"
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#include "Log.h"
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#include "Input.h"
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#include <glfw/glfw3.h>
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namespace GLCore {
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#define BIND_EVENT_FN(x) std::bind(&Application::x, this, std::placeholders::_1)
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Application* Application::s_Instance = nullptr;
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Application::Application()
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{
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if (!s_Instance)
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{
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// Initialize core
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Log::Init();
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}
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GLCORE_ASSERT(!s_Instance, "Application already exists!");
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s_Instance = this;
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m_Window = std::unique_ptr<Window>(Window::Create());
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m_Window->SetEventCallback(BIND_EVENT_FN(OnEvent));
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// Renderer::Init();
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m_ImGuiLayer = new ImGuiLayer();
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PushOverlay(m_ImGuiLayer);
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}
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void Application::PushLayer(Layer* layer)
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{
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m_LayerStack.PushLayer(layer);
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}
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void Application::PushOverlay(Layer* layer)
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{
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m_LayerStack.PushOverlay(layer);
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}
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void Application::OnEvent(Event& e)
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{
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EventDispatcher dispatcher(e);
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dispatcher.Dispatch<WindowCloseEvent>(BIND_EVENT_FN(OnWindowClose));
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for (auto it = m_LayerStack.end(); it != m_LayerStack.begin(); )
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{
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(*--it)->OnEvent(e);
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if (e.Handled)
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break;
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}
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}
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void Application::Run()
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{
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while (m_Running)
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{
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float time = (float)glfwGetTime();
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Timestep timestep = time - m_LastFrameTime;
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m_LastFrameTime = time;
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for (Layer* layer : m_LayerStack)
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layer->OnUpdate(timestep);
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m_ImGuiLayer->Begin();
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for (Layer* layer : m_LayerStack)
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layer->OnImGuiRender();
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m_ImGuiLayer->End();
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m_Window->OnUpdate();
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}
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}
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bool Application::OnWindowClose(WindowCloseEvent& e)
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{
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m_Running = false;
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return true;
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}
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}

‎OpenGL-Core/src/GLCore/Core/Application.h

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#pragma once
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#include "Core.h"
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#include "Window.h"
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#include "LayerStack.h"
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#include "../Events/Event.h"
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#include "../Events/ApplicationEvent.h"
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#include "Timestep.h"
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#include "../ImGui/ImGuiLayer.h"
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namespace GLCore {
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class Application
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{
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public:
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Application();
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virtual ~Application() = default;
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void Run();
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void OnEvent(Event& e);
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void PushLayer(Layer* layer);
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void PushOverlay(Layer* layer);
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inline Window& GetWindow() { return *m_Window; }
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inline static Application& Get() { return *s_Instance; }
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private:
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bool OnWindowClose(WindowCloseEvent& e);
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private:
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std::unique_ptr<Window> m_Window;
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ImGuiLayer* m_ImGuiLayer;
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bool m_Running = true;
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LayerStack m_LayerStack;
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float m_LastFrameTime = 0.0f;
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private:
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static Application* s_Instance;
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};
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}

‎OpenGL-Core/src/GLCore/Core/Core.h

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// Mostly from Hazel
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#pragma once
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#include <memory>
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#ifdef GLCORE_DEBUG
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#define GLCORE_ENABLE_ASSERTS
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#endif
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#ifdef GLCORE_ENABLE_ASSERTS
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#define GLCORE_ASSERT(x, ...) { if(!(x)) { LOG_ERROR("Assertion Failed: {0}", __VA_ARGS__); __debugbreak(); } }
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#else
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#define GLCORE_ASSERT(x, ...)
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#endif
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#define BIT(x) (1 << x)
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#define GLCORE_BIND_EVENT_FN(fn) std::bind(&fn, this, std::placeholders::_1)

‎OpenGL-Core/src/GLCore/Core/Input.h

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#pragma once
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#include "Core.h"
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namespace GLCore {
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class Input
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{
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protected:
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Input() = default;
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public:
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Input(const Input&) = delete;
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Input& operator=(const Input&) = delete;
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inline static bool IsKeyPressed(int keycode) { return s_Instance->IsKeyPressedImpl(keycode); }
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inline static bool IsMouseButtonPressed(int button) { return s_Instance->IsMouseButtonPressedImpl(button); }
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inline static std::pair<float, float> GetMousePosition() { return s_Instance->GetMousePositionImpl(); }
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inline static float GetMouseX() { return s_Instance->GetMouseXImpl(); }
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inline static float GetMouseY() { return s_Instance->GetMouseYImpl(); }
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protected:
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virtual bool IsKeyPressedImpl(int keycode) = 0;
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virtual bool IsMouseButtonPressedImpl(int button) = 0;
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virtual std::pair<float, float> GetMousePositionImpl() = 0;
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virtual float GetMouseXImpl() = 0;
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virtual float GetMouseYImpl() = 0;
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private:
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static Input* s_Instance;
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};
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}

‎OpenGL-Core/src/GLCore/Core/KeyCodes.h

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#pragma once
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// From glfw3.h
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#define HZ_KEY_SPACE 32
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#define HZ_KEY_APOSTROPHE 39 /* ' */
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#define HZ_KEY_COMMA 44 /* , */
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#define HZ_KEY_MINUS 45 /* - */
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#define HZ_KEY_PERIOD 46 /* . */
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#define HZ_KEY_SLASH 47 /* / */
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#define HZ_KEY_0 48
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#define HZ_KEY_1 49
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#define HZ_KEY_2 50
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#define HZ_KEY_3 51
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#define HZ_KEY_4 52
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#define HZ_KEY_5 53
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#define HZ_KEY_6 54
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#define HZ_KEY_7 55
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#define HZ_KEY_8 56
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#define HZ_KEY_9 57
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#define HZ_KEY_SEMICOLON 59 /* ; */
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#define HZ_KEY_EQUAL 61 /* = */
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#define HZ_KEY_A 65
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#define HZ_KEY_B 66
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#define HZ_KEY_C 67
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#define HZ_KEY_D 68
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#define HZ_KEY_E 69
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#define HZ_KEY_F 70
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#define HZ_KEY_G 71
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#define HZ_KEY_H 72
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#define HZ_KEY_I 73
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#define HZ_KEY_J 74
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#define HZ_KEY_K 75
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#define HZ_KEY_L 76
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#define HZ_KEY_M 77
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#define HZ_KEY_N 78
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#define HZ_KEY_O 79
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#define HZ_KEY_P 80
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#define HZ_KEY_Q 81
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#define HZ_KEY_R 82
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#define HZ_KEY_S 83
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#define HZ_KEY_T 84
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#define HZ_KEY_U 85
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#define HZ_KEY_V 86
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#define HZ_KEY_W 87
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#define HZ_KEY_X 88
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#define HZ_KEY_Y 89
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#define HZ_KEY_Z 90
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#define HZ_KEY_LEFT_BRACKET 91 /* [ */
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#define HZ_KEY_BACKSLASH 92 /* \ */
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#define HZ_KEY_RIGHT_BRACKET 93 /* ] */
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#define HZ_KEY_GRAVE_ACCENT 96 /* ` */
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#define HZ_KEY_WORLD_1 161 /* non-US #1 */
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#define HZ_KEY_WORLD_2 162 /* non-US #2 */
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/* Function keys */
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#define HZ_KEY_ESCAPE 256
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#define HZ_KEY_ENTER 257
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#define HZ_KEY_TAB 258
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#define HZ_KEY_BACKSPACE 259
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#define HZ_KEY_INSERT 260
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#define HZ_KEY_DELETE 261
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#define HZ_KEY_RIGHT 262
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#define HZ_KEY_LEFT 263
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#define HZ_KEY_DOWN 264
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#define HZ_KEY_UP 265
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#define HZ_KEY_PAGE_UP 266
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#define HZ_KEY_PAGE_DOWN 267
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#define HZ_KEY_HOME 268
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#define HZ_KEY_END 269
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#define HZ_KEY_CAPS_LOCK 280
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#define HZ_KEY_SCROLL_LOCK 281
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#define HZ_KEY_NUM_LOCK 282
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#define HZ_KEY_PRINT_SCREEN 283
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#define HZ_KEY_PAUSE 284
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#define HZ_KEY_F1 290
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#define HZ_KEY_F2 291
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#define HZ_KEY_F3 292
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#define HZ_KEY_F4 293
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#define HZ_KEY_F5 294
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#define HZ_KEY_F6 295
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#define HZ_KEY_F7 296
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#define HZ_KEY_F8 297
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#define HZ_KEY_F9 298
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#define HZ_KEY_F10 299
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#define HZ_KEY_F11 300
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#define HZ_KEY_F12 301
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#define HZ_KEY_F13 302
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#define HZ_KEY_F14 303
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#define HZ_KEY_F15 304
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#define HZ_KEY_F16 305
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#define HZ_KEY_F17 306
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#define HZ_KEY_F18 307
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#define HZ_KEY_F19 308
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#define HZ_KEY_F20 309
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#define HZ_KEY_F21 310
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#define HZ_KEY_F22 311
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#define HZ_KEY_F23 312
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#define HZ_KEY_F24 313
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#define HZ_KEY_F25 314
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#define HZ_KEY_KP_0 320
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#define HZ_KEY_KP_1 321
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#define HZ_KEY_KP_2 322
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#define HZ_KEY_KP_3 323
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#define HZ_KEY_KP_4 324
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#define HZ_KEY_KP_5 325
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#define HZ_KEY_KP_6 326
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#define HZ_KEY_KP_7 327
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#define HZ_KEY_KP_8 328
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#define HZ_KEY_KP_9 329
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#define HZ_KEY_KP_DECIMAL 330
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#define HZ_KEY_KP_DIVIDE 331
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#define HZ_KEY_KP_MULTIPLY 332
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#define HZ_KEY_KP_SUBTRACT 333
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#define HZ_KEY_KP_ADD 334
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#define HZ_KEY_KP_ENTER 335
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#define HZ_KEY_KP_EQUAL 336
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#define HZ_KEY_LEFT_SHIFT 340
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#define HZ_KEY_LEFT_CONTROL 341
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#define HZ_KEY_LEFT_ALT 342
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#define HZ_KEY_LEFT_SUPER 343
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#define HZ_KEY_RIGHT_SHIFT 344
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#define HZ_KEY_RIGHT_CONTROL 345
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#define HZ_KEY_RIGHT_ALT 346
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#define HZ_KEY_RIGHT_SUPER 347
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#define HZ_KEY_MENU 348

‎OpenGL-Core/src/GLCore/Core/Layer.cpp

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#include "glpch.h"
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#include "Layer.h"
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namespace GLCore {
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Layer::Layer(const std::string& debugName)
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: m_DebugName(debugName)
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{
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}
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}

‎OpenGL-Core/src/GLCore/Core/Layer.h

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#pragma once
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#include "Core.h"
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#include "Timestep.h"
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#include "../Events/Event.h"
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namespace GLCore {
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class Layer
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{
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public:
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Layer(const std::string& name = "Layer");
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virtual ~Layer() = default;
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virtual void OnAttach() {}
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virtual void OnDetach() {}
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virtual void OnUpdate(Timestep ts) {}
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virtual void OnImGuiRender() {}
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virtual void OnEvent(Event& event) {}
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inline const std::string& GetName() const { return m_DebugName; }
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protected:
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std::string m_DebugName;
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};
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}

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