initial commit

src/Application.cpp

@@ -0,0 +1,109 @@
+#include "Application.hpp"
+
+#include <stdexcept>
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+
+#include <imgui/backends/imgui_impl_glfw.h>
+#include <imgui/backends/imgui_impl_opengl3.h>
+#include <imgui/imgui.h>
+
+#include "Log.hpp"
+#include "Bus.hpp"
+#include "Debugger.hpp"
+#include "gfx/Window.hpp"
+
+void Application::Launch()
+{
+	glfwInit();
+
+	Application* app = nullptr;
+	try
+	{
+		app = new Application;
+	}
+	catch (const std::runtime_error& err)
+	{
+		LOG_CORE_FATAL(err.what());
+		delete app;
+		glfwTerminate();
+		return;
+	}
+
+	if (app == nullptr)
+	{
+		LOG_CORE_ERROR("Application object is nullptr");
+		glfwTerminate();
+		return;
+	}
+
+	while (app->Update());
+	delete app;
+	glfwTerminate();
+}
+
+Application::Application() :
+	bus(nullptr), window(nullptr)
+{
+	LOG_CORE_INFO("Creating window");
+	try
+	{
+		window = new Window(1280, 720, "NES Emulator");
+	}
+	catch (const std::runtime_error& err)
+	{
+		LOG_CORE_ERROR("Window creation failed");
+		throw err;
+	}
+
+	LOG_CORE_INFO("Loading OpenGL API");
+	if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
+		throw std::runtime_error("Failed to set up OpenGL loader");
+	
+	LOG_CORE_INFO("Setting up ImGui");
+	IMGUI_CHECKVERSION();
+	ImGui::CreateContext();
+	ImGuiIO& io = ImGui::GetIO();
+	io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
+	io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+	io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
+
+	ImGui_ImplGlfw_InitForOpenGL(window->GetNativeWindow(), true);
+	ImGui_ImplOpenGL3_Init("#version 460 core");
+
+	ImGui::StyleColorsDark();
+
+	ImGuiStyle& style = ImGui::GetStyle();
+	if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+	{
+		style.WindowRounding = 0.0f;
+		style.Colors[ImGuiCol_WindowBg].w = 1.0f;
+	}
+
+	bus = new Bus;
+	debugger = new Debugger(bus);
+}
+
+Application::~Application()
+{
+	delete debugger;
+
+	if(bus)
+		delete bus;
+
+	delete window;
+}
+
+bool Application::Update()
+{
+	glfwPollEvents();
+
+	if (!debugger->Update())
+		return false;
+
+	window->Begin();
+	debugger->Render();
+	window->End();
+
+	return !window->ShouldClose();
+}