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source/app/src/App.cpp

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+#include "App.hpp"
+
+#include <cstdlib>
+#include <iostream>
+
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+
+
+int App::main(std::vector<std::string> &args) {
+    auto app = App{};
+    app.game_loop();
+    return EXIT_SUCCESS;
+}
+
+
+void App::error_callback_s(int error, const char *description)
+{
+    std::cerr << "[GLFW error]: " << description << '\n';
+    exit(EXIT_FAILURE);
+}
+
+
+void App::key_callback_s(GLFWwindow *window, int key, int scancode, int action, int mods) {
+    auto app = static_cast<App*>(glfwGetWindowUserPointer(window));
+    app->key_callback(key, scancode, action, mods);
+}
+
+
+App::App():
+    mpWindow{NULL} {
+    glfwSetErrorCallback(error_callback_s);
+    glfwInit();
+
+    mpWindow = glfwCreateWindow(640, 480, "uGLy", NULL, NULL);
+    glfwSetWindowUserPointer(mpWindow, this);
+    glfwSetKeyCallback(mpWindow, key_callback_s);
+
+    glfwMakeContextCurrent(mpWindow);
+    if(glewInit() != GLEW_OK) {
+        error_callback_s(GLFW_NO_ERROR, "glewInit() failed");
+    }
+}
+
+
+App::~App() {
+    glfwTerminate();
+    glfwSetErrorCallback(NULL);
+}
+
+
+void App::game_loop() {
+    while(!glfwWindowShouldClose(mpWindow)) {
+        glfwPollEvents();
+    }
+}
+
+
+void App::key_callback(int key, int scancode, int action, int mods) {
+    if(key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) {
+        glfwSetWindowShouldClose(mpWindow, GLFW_TRUE);
+    }
+}