GLTF_StandardMeshCodec.h

Go to the documentation of this file.

#ifndef __GLTF_StandardMeshCodec_h__
#define __GLTF_StandardMeshCodec_h__

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

#include <GA/GA_OffsetList.h>

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

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

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

    }
    GLTF_StandardMeshCodec(const GLTF_ImportOptions& import_options,
                           const GLTF_ExportOptions& export_options)
        : GLTF_Codec(import_options, export_options)
    {

    }
    virtual ~GLTF_StandardMeshCodec() override;

    static bool    isExtensionSupported(const char* ext_name)
    {
        // This codec doesn't support any extensions, just features included in
        // the core glTF specification.
        return false;
    };

    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;

    bool    importMaterial(
                    GU_Detail&,
                    const GLTF_Index,
                    GLTF_Reader&,
                    GLTF_ErrorManager&,
                    GA_AttributeOwner) override
    {
        return false;
    }

    bool    exportMeshPrimitive(
                    const GU_Detail& gdp,
                    const GLTF_Index mesh_idx,
                    const GLTF_Index prim_idx,
                    GLTF_Writer& writer,
                    GLTF_ErrorManager& errors) override;

private:

    bool    importMeshTriPrimitive(
                    GU_Detail& gdp,
                    const GLTF_Index mesh_idx,
                    const GLTF_Index prim_idx,
                    const GLTF_MeshInfo& mesh_info,
                    GLTF_Reader& reader,
                    GLTF_ErrorManager& errors);

    bool    importMeshPointsPrimitive(
                    GU_Detail& gdp,
                    const GLTF_Index mesh_idx,
                    const GLTF_Index prim_idx,
                    GLTF_Reader& reader,
                    GLTF_ErrorManager& errors);

    bool    addPointAttribute(
                    GU_Detail &gdp,
                    GLTF_Reader &reader,
                    const GLTF_Index attrib_access_idx,
                    const char* attrib_name,
                    GLTF_ErrorManager& errors);

    bool    exportMeshTriPrimitive(
                    const GU_Detail& gdp,
                    const GLTF_Index mesh_id,
                    const GLTF_Index prim_id,
                    GLTF_Writer& writer,
                    GLTF_ErrorManager& errors);

    bool    exportMeshLinesPrimitive(
                    const GU_Detail& gdp,
                    const GLTF_Index mesh_id,
                    const GLTF_Index prim_id,
                    GLTF_Writer& writer,
                    GLTF_ErrorManager& errors);

    bool    exportMeshPointsPrimitive(
                    const GU_Detail& gdp,
                    const GLTF_Index mesh_idx,
                    const GLTF_Index prim_idx,
                    GLTF_Writer& writer,
                    GLTF_ErrorManager& errors);

    bool    exportPointAttributes(
                    const GU_Detail& gdp,
                    GLTF_Index mesh_id,
                    GLTF_Index prim_id,
                    GLTF_Writer& writer,
                    GLTF_ErrorManager& errors,
                    const GA_OffsetList* pt_list=nullptr);

};

#endif // __GLTF_StandardMeshCodec_h__