Mesh.h

// Copyright(c) 2019 - 2020, #Momo
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#pragma once

#include "Core/BoundingObjects/AABB.h"
#include "Core/Components/Transform.h"
#include "Utilities/String/String.h"
#include "Utilities/FileSystem/File.h"
#include "Utilities/Memory/Memory.h"
#include "Platform/GraphicAPI.h"
#include "Core/Resources/SubMesh.h"

namespace MxEngine
{
    class MeshRenderer;
    
    class Mesh
    {
        typedef unsigned int GLuint;
        typedef float GLfloat;

        using SubmeshList = MxVector<SubMesh>;

        AABB boundingBox;
        
        SubmeshList submeshes;
        MxVector<GResource<VertexBuffer>> VBOs;
        MxVector<GResource<VertexBufferLayout>> VBLs;

        void LoadFromFile(const MxString& filepath);
    public:
        explicit Mesh() = default;
        Mesh(const MxString& path);
        Mesh(Mesh&) = delete;
        Mesh(Mesh&&) = default;
        Mesh& operator=(const Mesh&) = delete;
        Mesh& operator=(Mesh&&) = default;
        
        void Load(const MxString& filepath);
        SubmeshList& GetSubmeshes();
        const SubmeshList& GetSubmeshes() const;
        const AABB& GetAABB() const;
        void SetAABB(const AABB& boundingBox);
        void UpdateAABB();
        size_t AddInstancedBuffer(GResource<VertexBuffer> vbo, GResource<VertexBufferLayout> vbl);
        GResource<VertexBuffer> GetBufferByIndex(size_t index) const; 
        GResource<VertexBufferLayout> GetBufferLayoutByIndex(size_t index) const;
        size_t GetBufferCount() const;
        void PopInstancedBuffer();
    };
}