meshloader.h

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#pragma once
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
#include "resources/resourceloader.h"
#include "coregraphics/gpubuffertypes.h"
#include "coregraphics/meshresource.h"
#include "coregraphics/mesh.h"
namespace CoreGraphics
{
 
class MeshLoader : public Resources::ResourceLoader
{
    __DeclareClass(MeshLoader);
public:
    MeshLoader();
    virtual ~MeshLoader();
 
    struct StreamMeshLoadMetaData
    {
        bool copySource;
    };
 
private:
 
    struct MeshStreamData
    {
        void* mappedData;
        CoreGraphics::VertexAlloc indexAllocationOffset, vertexAllocationOffset;
    };
    
    Resources::ResourceUnknownId InitializeResource(const Ids::Id32 entry, const Util::StringAtom& tag, const Ptr<IO::Stream>& stream, bool immediate = false) override;
    uint StreamResource(const Resources::ResourceId entry, IndexT frameIndex, uint requestedBits) override;
    void Unload(const Resources::ResourceId id) override;
    uint LodMask(const Ids::Id32 entry, float lod, bool stream) const override;
 
    static const CoreGraphics::VertexLayoutId GetLayout(const CoreGraphics::VertexLayoutType type);
    void SetupMeshFromNvx(const Ptr<IO::Stream>& stream, const Ids::Id32 entry, const MeshResourceId meshResource, bool immediate);
};
 
} // namespace CoreGraphics