VAO.h

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// File: VAO.h
// Description: "Vertex Attribute Object" - Holds information about edges, vertices, and faces for OpenGL
// Author(s): Aidan Hartman (aidan.hartman@digipen.edu) Pair progamming with Ori
//            Ori Balashov (ori.balashov@digipen.edu) Pair progamming with Aidan
// 2025 / 10 / 03
// (C) Digipen 2025
//   ____   __                  __  __
// /\__  _\/\ \                /\ \/\ \
// \/_/\ \/\ \ \___      __    \ \ \_\ \    ___   __  __    ____     __
//    \ \ \ \ \  _ `\  /'__`\   \ \  _  \  / __`\/\ \/\ \  /',__\  /'__`\
//     \ \ \ \ \ \ \ \/\  __/    \ \ \ \ \/\ \L\ \ \ \_\ \/\__, `\/\  __/
//      \ \_\ \ \_\ \_\ \____\    \ \_\ \_\ \____/\ \____/\/\____/\ \____\
//       \/_/  \/_/\/_/\/____/     \/_/\/_/\/___/  \/___/  \/___/  \/____/
#pragma once
 
namespace gfx
{
class VertexBuffer;
class IndexBuffer;
}
 
using GLuint = unsigned int;
using GLint  = int;
 
namespace gfx
{
enum shaderAttributes : int
{
    aPosition          = 0,
    aTextureCoordinate = 1,
    aColor             = 2,
};
}
 
namespace gfx
{
 
 
class VAO
{
public:
    VAO(const VertexBuffer& vertexBuffer, const IndexBuffer& indexBuffer);
    ~VAO();
    // ! warning: copy and move operators all do shallow copies 
    VAO(const VAO& other)                        = default;
    VAO(VAO&& other) noexcept                    = default;
    auto operator=(const VAO& other) -> VAO&     = default;
    auto operator=(VAO&& other) noexcept -> VAO& = default;
 
    auto activate() const -> void;
    auto deactivate() const -> void;
 
    auto ID() const -> GLuint
    {
        return VAOID;
    }
 
private:
    GLuint VAOID;
 
    int color;
    int position;
    int textureCoord;
};
 
}