IFormatLoader.h

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#pragma once
 
#include <string>
#include <vector>
#include <memory>
#include "../Graphics/Mesh.h"
 
namespace Engine::Loader
{
    struct MeshData
    {
        std::vector<float> vertices; // Position(3) + Normal(3) + TexCoord(2) per vertex
        std::vector<unsigned int> indices;
        std::string name;
        std::string materialName; // Optional material reference
    };
 
    class IFormatLoader
    {
    public:
        virtual ~IFormatLoader() = default;
 
        virtual bool CanLoad(const std::string &extension) const = 0;
 
        virtual std::vector<MeshData> LoadMeshData(const std::string &filepath) = 0;
 
        virtual std::string GetLoaderName() const = 0;
    }; 
    class AssimpLoader : public IFormatLoader
    {
    public:
        bool CanLoad(const std::string &extension) const override;
        std::vector<MeshData> LoadMeshData(const std::string &filepath) override;
        std::string GetLoaderName() const override { return "Assimp Loader"; }
 
    private:
        MeshData ProcessMesh(void *mesh, void *scene);
    };
}