GLFW-Demo/main.cpp at master · Jorazon/GLFW-Demo · GitHub

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#include <stdio.h>
#include <vector>

#include <GLEW/GL/glew.h>
#include <GLFW/glfw3.h>
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>

#include "shader.h"
#include "objloader.hpp"
#include "Scene.h"

GLFWwindow* InitWindow()
{
  if (!glfwInit())
  {
    fprintf(stderr, "GLFW Error.");
    return NULL;
  }

  glfwWindowHint(GLFW_SAMPLES, 4);
  glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
  glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
  glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
  glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

  GLFWwindow* window;
  window = glfwCreateWindow(
    512, 512,
    "Half Life 3 confirmed!",
    NULL, NULL
  );

  if (window == NULL)
  {
    fprintf(stderr, "Window creation failed.");
    glfwTerminate();
  }

  glfwMakeContextCurrent(window);
  glfwSetInputMode(window, GLFW_STICKY_KEYS, GL_TRUE);

  GLenum err = glewInit();
  if (err != GLEW_OK) {
    fprintf(stderr, "GLEW failed.\n");
    fprintf(stderr, "%s\n", glewGetErrorString(err));
    glfwTerminate();
  }

  return window;
}

int main(void)
{
  GLFWwindow* window = InitWindow();
  if (window == NULL)
  {
    return -1;
  }

  glClearColor(0.0f, 0.0f, 0.4f, 1.0f);

  glEnable(GL_DEPTH_TEST);
  glDepthFunc(GL_LESS);

  Scene scene;

  scene.LoadScene("data/scene.scn");

  do
  {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    scene.DrawScene();

    glfwSwapBuffers(window);
    glfwPollEvents();
  } while (glfwGetKey(window, GLFW_KEY_ESCAPE) != GLFW_PRESS && glfwWindowShouldClose(window) == 0);

  scene.Clear();

  glfwTerminate();
}