opengl-cpp/src/sdl.hpp

#pragma once

#include <SDL2/SDL.h>
#include <string>
// Include the OpenGL headers (these may vary by system)
#if defined(__APPLE__)
  #include <OpenGL/gl3.h>  // On macOS, <OpenGL/gl3.h> is often used
#else
  #include <GL/glew.h>     // or <glad/glad.h> if using GLAD
#endif

//#include <iostream>
#include <fstream>
#include <string>
#include <sstream>

// Forward declaration of classes and structs if needed
// class SomethingElse;

class SdlWindow {
public:
  // Constructor
  SdlWindow(const char* title, int width, int height);

  // Destructor
  ~SdlWindow();

  // Run the main loop
  void run();
  unsigned int compileShader(unsigned int type, const std::string& source);
  unsigned int createShader(const std::string& vetexShader, const std::string& fragmentShader);  
  // for spliting our shaders
  //struct ShaderProgramSource {
  //  std::string VetexSource, FragmentSource;
  struct ShaderProgramSource {
    std::string VertexSource;
    std::string FragmentSource;
  };
  ShaderProgramSource parseShader(const std::string& filepath);

  void setFullscreen(bool fullscreen);
  void GLClearError();
  bool GLLogCall();
  

private:
  // Private data members
  SDL_Window*   m_window;
  SDL_Renderer* m_renderer;
  bool          m_isRunning;
  bool          m_isFullscreen; 
  int           m_width;
  int           m_height;
  int           m_windowedWidth;   // stored width before fullscreen
  int           m_windowedHeight;  // stored height before fullscreen
  float         r;
  int           location;
  SDL_GLContext m_glContext;
  float         increment; 
  // temp shader stuff
  std::string vetexShader;
  std::string fragmentShader;
  unsigned int shader;
  

  // Private methods
  void processEvents();
  void update();
  void render();
};