Added window

.gitignore

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+.vs/
+[Oo]ut/
+[Bb]uild/
+
+*.json

.gitmodules

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+[submodule "vendor/lol"]
+	path = vendor/lol
+	url = git@github.com:Lauchmelder23/lol.git
+[submodule "vendor/glfw"]
+	path = vendor/glfw
+	url = git@github.com:glfw/glfw.git
+[submodule "vendor/spdlog"]
+	path = vendor/spdlog
+	url = https://github.com/gabime/spdlog

CMakeLists.txt

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+# CMakeList.txt : Top-level CMake project file, do global configuration
+# and include sub-projects here.
+#
+cmake_minimum_required (VERSION 3.8)
+
+project ("KoiKoi")
+
+
+# Include sub-projects.
+add_subdirectory ("vendor/spdlog")
+add_subdirectory ("vendor/glfw")
+add_subdirectory ("src")

src/Application.cpp

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+#include "Application.hpp"
+
+#include <GLFW/glfw3.h>
+#include <spdlog/spdlog.h>
+
+#include "Window.hpp"
+
+void Application::Run()
+{
+	if (!valid)
+	{
+		spdlog::error("Application could not be launched");
+		return;
+	}
+
+	spdlog::debug("Launched Application");
+	while (!window->ShouldClose())
+	{
+		glfwPollEvents();
+		window->Display();
+	}
+}
+
+Application::Application() :
+	valid(true), window(nullptr)
+{
+	int success = glfwInit();
+	if (success != GLFW_TRUE)
+	{
+		const char* buffer;
+		int result = glfwGetError(&buffer);
+		spdlog::critical("Failed to initialize GLFW: ({}) {}", result, buffer);
+
+		valid = false;
+		return;
+	}
+	spdlog::debug("GLFW initialized");
+
+	window = new Window(800, 800, "Koi Koi");
+	valid = window->IsValid();
+}
+
+Application::~Application()
+{
+	delete window;
+
+	glfwTerminate();
+	spdlog::debug("GLFW terminated");
+}

src/Application.hpp

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+#pragma once
+
+class Window;
+
+class Application
+{
+public:
+	static Application& GetInstance()
+	{
+		static Application app;
+		return app;
+	}
+
+public:
+	void Run();
+
+private:
+	bool valid;
+	Window* window;
+
+private:
+	Application();
+	~Application();
+};

src/CMakeLists.txt

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+add_executable(koikoi 
+	"main.cpp"
+	"Application.cpp" 
+	"Window.cpp"
+ )
+
+target_include_directories(koikoi PRIVATE
+	spdlog
+	glfw
+)
+
+target_link_libraries(koikoi PRIVATE
+	spdlog
+	glfw
+)

src/Window.cpp

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+#include "Window.hpp"
+
+#include <GLFW/glfw3.h>
+#include <spdlog/spdlog.h>
+
+Window::Window(int width, int height, const std::string& title) :
+	window(NULL), valid(true)
+{
+	window = glfwCreateWindow(width, height, title.c_str(), NULL, NULL);
+	if (window == NULL)
+	{
+		const char* buffer;
+		int result = glfwGetError(&buffer);
+		spdlog::critical("Failed to create GLFWwindow: ({}) {}", result, buffer);
+
+		valid = false;
+		return;
+	}
+
+	spdlog::debug("Created GLFWwindow \n\tDimensions = ({}px, {}px), \n\tTitle = {}, \n\tFullscreen = {}", width, height, title, "NO");
+	glfwMakeContextCurrent(window);
+}
+
+Window::~Window()
+{
+	if (valid)
+	{
+		glfwDestroyWindow(window);
+		spdlog::debug("Destroyed GLFWwindow");
+	}
+}
+
+void Window::Display()
+{
+	glfwSwapBuffers(window);
+}

src/Window.hpp

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+#pragma once
+
+#include <string>
+#include <GLFW/glfw3.h>
+
+class Window
+{
+public:
+	Window(int width, int height, const std::string& title);
+	~Window();
+
+	inline bool IsValid() { return valid; }
+	inline bool ShouldClose() { return glfwWindowShouldClose(window); }
+
+	void Display();
+
+private:
+	bool valid;
+	GLFWwindow* window;
+};

src/main.cpp

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+#include <spdlog/spdlog.h>
+#include "Application.hpp"
+
+int main(int argc, char** argv)
+{
+	spdlog::set_pattern("[%H:%M:%S] [%^%l%$] %v");
+
+#ifndef NDEBUG
+	spdlog::set_level(spdlog::level::debug);
+#endif
+
+	Application::GetInstance().Run();
+	return 0;
+}

vendor/glfw

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+Subproject commit df8d7bc892937a8b0f7c604c92a9f64f383cf48c

vendor/lol

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+Subproject commit b702bd00f4e61e7ca1a6fd3da78de87c730e7503

vendor/spdlog

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+Subproject commit 729d7f6d8837b6693e7b378408518ea1710f80cb