ResMesh.hpp

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/* This file is part of Berserk Engine project                                    */
/* https://github.com/EgorOrachyov/Berserk                                        */
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/* Copyright (c) 2018 - 2021 Egor Orachyov                                        */
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#ifndef BERSERK_RESMESH_HPP
#define BERSERK_RESMESH_HPP
 
#include <resource/ResMaterial.hpp>
#include <resource/ResTexture.hpp>
#include <resource/Resource.hpp>
#include <resource/ResourceImporter.hpp>
 
#include <render/mesh/Mesh.hpp>
#include <render/mesh/MeshFormats.hpp>
 
BRK_NS_BEGIN
 
class ResMeshImportOptions final : public ResourceImportOptions {
public:
    BRK_API ResMeshImportOptions() = default;
    BRK_API ~ResMeshImportOptions() override = default;
 
    MeshFormat meshFormat = {MeshAttribute::Position, MeshAttribute::Normal, MeshAttribute::Tangent, MeshAttribute::UV}; 
    bool flipUVs = true;     
    bool triangulate = true; 
    bool indexed = true;     
};
 
class ResMesh final : public Resource {
public:
    struct SubMesh {
        uint32 baseVertex{};
        uint32 verticesCount{};
        uint32 indicesCount{};
        RHIIndexType indexType;
        RHIPrimitivesType primitivesType;
        Ref<ResMaterial> material;
        Aabbf aabb;
    };
 
    BRK_API ResMesh() = default;
    BRK_API ~ResMesh() override = default;
 
    BRK_API const StringName &GetResourceType() const override;
    BRK_API static const StringName &GetResourceTypeStatic();
 
    BRK_API void CreateFromArrays(MeshFormat format, uint32 verticesCount, const MeshArrays &arrays);
    BRK_API void CreateFromData(MeshFormat format, uint32 verticesCount, const Ref<Data> &vertexData, const Ref<Data> &attributeData, const Ref<Data> &skinningData);
    BRK_API void AddSubMesh(const StringName &name, RHIPrimitivesType primitivesType, const Aabbf &aabb, uint32 baseVertex, RHIIndexType indexType, uint32 indicesCount, const Ref<Data> &indexData);
    BRK_API void SetAabb(const Aabbf &aabb);
 
    BRK_API const Ref<Mesh> &GetMesh() const { return mMesh; }
    BRK_API const std::vector<SubMesh> &GetSubMeshes() const { return mSubMeshes; }
 
private:
    Ref<Mesh> mMesh;                 
    std::vector<SubMesh> mSubMeshes; 
};
 
BRK_NS_END
 
#endif//BERSERK_RESMESH_HPP