** This code is part of Breakout.
** Breakout is free software: you can redistribute it and/or modify
** it under the terms of the CC BY 4.0 license as published by
** Creative Commons, either version 4 of the License, or (at your
** option) any later version.
#ifndef TEXTURE_H
#define TEXTURE_H

#include <GL/glew.h>

// Texture2D is able to store and configure a texture in OpenGL.
// It also hosts utility functions for easy management.
class Texture2D
    // Holds the ID of the texture object, used for all texture operations to reference to this particlar texture
    GLuint ID;
    // Texture image dimensions
    GLuint Width, Height; // Width and height of loaded image in pixels
    // Texture Format
    GLuint Internal_Format; // Format of texture object
    GLuint Image_Format; // Format of loaded image
    // Texture configuration
    GLuint Wrap_S; // Wrapping mode on S axis
    GLuint Wrap_T; // Wrapping mode on T axis
    GLuint Filter_Min; // Filtering mode if texture pixels < screen pixels
    GLuint Filter_Max; // Filtering mode if texture pixels > screen pixels
    // Constructor (sets default texture modes)
    // Generates texture from image data
    void Generate(GLuint width, GLuint height, unsigned char* data);
    // Binds the texture as the current active GL_TEXTURE_2D texture object
    void Bind() const;