Mesh.h

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#pragma once
#include "Vertex.h"
#include "backends/opengl/IB.h"
#include "backends/opengl/VA.h"
#include "backends/opengl/VB.h"
#include "material/Material.h"
 
namespace hellfire {
    class Mesh {
    public:
        Mesh();
 
        Mesh(const std::vector<Vertex> &vertices, const std::vector<unsigned int> &indices);
 
        Mesh(const std::vector<Vertex> &vertices,
             const std::vector<unsigned int> &indices,
             bool defer_build);
 
        void cleanup();
 
        void bind() const;
 
        void unbind() const;
 
        void build();
        bool is_built() const { return  vao_ != nullptr; }
 
        // mesh data
        std::vector<Vertex> vertices;
        std::vector<unsigned int> indices;
 
        bool is_wireframe = false;
 
        void draw() const;
 
        void draw_instanced(size_t amount) const;
 
        int get_index_count() const;
 
    private:
        std::unique_ptr<VA> vao_ = nullptr;
        std::unique_ptr<VB> vbo_ = nullptr;
        std::unique_ptr<IB> ibo_ = nullptr;
 
        int index_count_;
 
        void create_mesh();
    };
}