feat(Game): add getter and run functions

inc/game.hpp

@@ -17,7 +17,13 @@ private:
 public:
   Game(int width, int height, string name);
   ~Game();
-  void run();
+
+  void run(bool (*func)(Game *g));
+
+  GLFWwindow *getWindow();
+  const char *getName();
+  int getWidth();
+  int getHeight();
 };
 
 #endif

src/game.cpp

@@ -1,6 +1,7 @@
 #include "GL/glew.h"
 #include "game.hpp"
 #include "GLFW/glfw3.h"
+#include <cstdlib>
 #include <iostream>
 
 
@@ -38,12 +39,49 @@ Game::Game(int width, int height, string name) :
   glEnable(GL_MULTISAMPLE);
 }
 
-void Game::run()
+void Game::run(bool (*func)(Game *g))
 {
+  while(func(this))
+  {
+    glfwGetWindowSize(this->window, &this->width, &this->height);
+    glViewport(0, 0, this->width, this->height);
 
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glClearColor(0.5f, 0.2f, 0.2f, 1.0f);
+
+    glDisable(GL_MULTISAMPLE);
+    glfwPollEvents();
+    glfwSwapBuffers(this->window);
+
+    GLenum error = glGetError();
+    if (error != glGetError())
+    {
+      std::cerr << error << std::endl;
+      exit(1);
+    }
+  }
 }
 
 Game::~Game()
 {
   glfwTerminate();
-}
+}
+
+GLFWwindow *Game::getWindow()
+{
+  return this->window;
+}
+const char *Game::getName()
+{
+  return this->name;
+}
+
+int Game::getWidth()
+{
+  return this->height;
+}
+
+int Game::getHeight()
+{
+  return this->width;
+}

src/main.cpp

@@ -6,6 +6,11 @@
 int main()
 {
     Game game(800, 600, "game");
-    game.run();
+
+    auto quit = [](Game *g) {
+      return !glfwWindowShouldClose(g->getWindow());
+    };
+
+    game.run(quit);
     return 0;
 }