Model.hpp

// Copyright (C) 2017 Jérôme Leclercq
// This file is part of the "Nazara Engine - Graphics module"
// For conditions of distribution and use, see copyright notice in Config.hpp

#pragma once

#ifndef NAZARA_MODEL_HPP
#define NAZARA_MODEL_HPP

#include <Nazara/Prerequesites.hpp>
#include <Nazara/Core/Resource.hpp>
#include <Nazara/Core/ResourceLoader.hpp>
#include <Nazara/Core/ResourceParameters.hpp>
#include <Nazara/Graphics/InstancedRenderable.hpp>
#include <Nazara/Graphics/Material.hpp>
#include <Nazara/Utility/Mesh.hpp>

namespace Nz
{
    struct NAZARA_GRAPHICS_API ModelParameters : ResourceParameters
    {
        ModelParameters();

        bool loadMaterials = true;
        MaterialParams material;
        MeshParams mesh;

        bool IsValid() const;
    };

    class Model;

    using ModelConstRef = ObjectRef<const Model>;
    using ModelLoader = ResourceLoader<Model, ModelParameters>;
    using ModelRef = ObjectRef<Model>;

    class NAZARA_GRAPHICS_API Model : public InstancedRenderable, public Resource
    {
        friend ModelLoader;

        public:
            inline Model();
            Model(const Model& model) = default;
            Model(Model&& model) = default;
            virtual ~Model();

            void AddToRenderQueue(AbstractRenderQueue* renderQueue, const InstanceData& instanceData) const override;
            inline void AddToRenderQueue(AbstractRenderQueue* renderQueue, const Matrix4f& transformMatrix, unsigned int renderOrder = 0);

            using InstancedRenderable::GetMaterial;
            const MaterialRef& GetMaterial(const String& subMeshName) const;
            const MaterialRef& GetMaterial(std::size_t skinIndex, const String& subMeshName) const;
            Mesh* GetMesh() const;

            virtual bool IsAnimated() const;

            bool LoadFromFile(const String& filePath, const ModelParameters& params = ModelParameters());
            bool LoadFromMemory(const void* data, std::size_t size, const ModelParameters& params = ModelParameters());
            bool LoadFromStream(Stream& stream, const ModelParameters& params = ModelParameters());

            using InstancedRenderable::SetMaterial;
            bool SetMaterial(const String& subMeshName, MaterialRef material);
            bool SetMaterial(std::size_t skinIndex, const String& subMeshName, MaterialRef material);

            virtual void SetMesh(Mesh* mesh);

            Model& operator=(const Model& node) = default;
            Model& operator=(Model&& node) = default;

            template<typename... Args> static ModelRef New(Args&&... args);

        protected:
            void MakeBoundingVolume() const override;

            MeshRef m_mesh;

            static ModelLoader::LoaderList s_loaders;
    };
}

#include <Nazara/Graphics/Model.inl>

#endif // NAZARA_MODEL_HPP