window.hh

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#pragma once
#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include "inputs.hh"
#include "opengl_middleware.hh"
 
class Window
{
private:
  GLFWwindow *m_window;
  int m_width;
  int m_height;
  float m_deltatime;
  float m_lastframe;
  Mouse &_mouse;
  OpenGLCallback &_opengl;
 
  inline void
  update_deltatime_frame()
  {
    float current_frame = get_time();
    m_deltatime = current_frame - m_lastframe;
    m_lastframe = current_frame;
    // TODO - Creating a accumulator time;
    // m_accumulator = current_frame;
    // tldr; implement accumulator in the game loop logic,
    // this will prevent logic game upate bugs related
    // to frametime/fps and will made it deterministic.
    // https://www.youtube.com/watch?v=lW6ZtvQVzyg
  }
 
public:
  Window(char *window_name, float width, float height);
  ~Window();
  void begin_frame() const;
  void end_frame();
  float get_time();
  bool running();
  void setup(Keyboard keyboard);
 
  inline GLFWwindow *
  get_window() const
  {
    return m_window;
  };
  inline int
  get_width() const
  {
    return m_width;
  };
  inline int
  get_height() const
  {
    return m_height;
  };
  inline float
  get_deltatime()
  {
    return m_deltatime;
  };
};