GLTF_Reader.h

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#ifndef __GLTF_Reader_h__
#define __GLTF_Reader_h__

#include "GLTFZ_API.h"
#include "GLTF_Types.h"

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

struct CgltfImpl;
class GLTF_ErrorManager;

class GLTFZ_API GLTF_Reader
{
public:

    // We define the constructors/destructors in the source file to avoid having
    // to pollute this header file with GLTF_CgltfImpl.h, which we want to keep
    // hidden from users of the GLTFZ API.
    GLTF_Reader();
    GLTF_Reader(const char *filePath);
    ~GLTF_Reader();

    bool                            loadFile(GLTF_ErrorManager& errors);

    bool                            closeFile();

    bool                            isOpen() const { return myIsLoaded; }

    bool                            loadBuffer(const GLTF_Index buf_idx, 
                                            GLTF_ErrorManager& errors);

    bool                            loadAccessorData(const GLTF_Index accessor_idx,
                                                unsigned char** out_data,
                                                GLTF_ErrorManager& errors);

    bool                            loadAnimationData(
                                            const GLTF_Index anim_idx,
                                            GLTF_ErrorManager& errors);

    void                            setFilePath(const char* path)
                                        { myFilePath = path; }
    const UT_StringHolder&          filePath() const { return myFilePath; }

    CgltfImpl                       &getCgltfImpl() const;

private:
    // Set this to nullptr in the constructor so that we don't have to pull
    // in the CgltfImpl header here.
    UT_UniquePtr<CgltfImpl>         myCgltfImpl;

    UT_StringHolder                 myFilePath;
    bool                            myIsLoaded              = false;
};

#endif // __GLTF_Reader_h__