GLTF_MtlxMaterialCodec.h

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#ifndef __GLTF_MtlxMaterialCodec_h__
#define __GLTF_MtlxMaterialCodec_h__

#include "GLTFZ_API.h"
#include "GLTF_Codec.h"
#include "GLTF_ExportOptions.h"
#include "GLTF_ImportOptions.h"
#include "GLTF_Types.h"

#include <UT/UT_Set.h>
#include <UT/UT_StringHolder.h>

class GLTF_ErrorManager;
class GLTF_Reader;
class GLTF_Writer;
class GU_Detail;
class OP_Node;

class GLTFZ_API GLTF_MtlxMaterialCodec : public GLTF_Codec
{
public:
    explicit GLTF_MtlxMaterialCodec(const GLTF_ImportOptions& options)
        : GLTF_Codec(options)
    {

    }
    explicit GLTF_MtlxMaterialCodec(const GLTF_ExportOptions& options)
        : GLTF_Codec(options)
    {

    }
    virtual ~GLTF_MtlxMaterialCodec() override {}

    static bool     isExtensionSupported(const char* ext_name)
    {
        static const UT_Set<UT_StringHolder> mySupportedExtensions{
            "KHR_materials_emissive_strength",
            "KHR_materials_ior",
            "KHR_materials_specular",
            "KHR_materials_transmission"
        };
        return mySupportedExtensions.contains(ext_name);
    }
    
    bool    importMeshPrimitive(
                    GU_Detail& gdp,
                    const GLTF_Index mesh_idx,
                    const GLTF_Index prim_idx,
                    const GLTF_MeshInfo& mesh_info,
                    GLTF_Reader& reader,
                    GLTF_ErrorManager& errors) override
    {
        return false;
    }

    bool    importMaterial(
                    GU_Detail& gdp,
                    const GLTF_Index mat_idx,
                    GLTF_Reader& reader,
                    GLTF_ErrorManager& errors,
                    GA_AttributeOwner mat_attribs_owner=GA_ATTRIB_PRIMITIVE) override;

    bool    exportMaterial(
                    const OP_Node* mat_node,
                    const GLTF_Index mat_id,
                    fpreal time,
                    const GLTF_MaterialInfo& mat_info,
                    GLTF_Writer& writer,
                    GLTF_ErrorManager& errors) override;
};

#endif // __GLTF_MtlxMaterialCodec_h__