assimp.assimp/code/AssetLib/glTF/glTFImporter.h

/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

Copyright (c) 2006-2025, assimp team

All rights reserved.

Redistribution and use of this software in source and binary forms,
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following disclaimer.

* Redistributions in binary form must reproduce the above
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* Neither the name of the assimp team, nor the names of its
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*/
#pragma once
#ifndef AI_GLTFIMPORTER_H_INC
#define AI_GLTFIMPORTER_H_INC

#include <assimp/BaseImporter.h>
#include <assimp/DefaultIOSystem.h>

struct aiNode;

namespace glTF {
    class Asset;

}

namespace Assimp {

/**
 * Load the glTF format.
 * https://github.com/KhronosGroup/glTF/tree/master/specification
 */
class glTFImporter : public BaseImporter {
public:
    glTFImporter();
    ~glTFImporter() override = default;
    bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const override;

protected:
    const aiImporterDesc *GetInfo() const override;
    void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) override;

private:
    void ImportEmbeddedTextures(glTF::Asset &a);
    void ImportMaterials(glTF::Asset &a);
    void ImportMeshes(glTF::Asset &a);
    void ImportCameras(glTF::Asset &a);
    void ImportLights(glTF::Asset &a);
    void ImportNodes(glTF::Asset &a);
    void ImportCommonMetadata(glTF::Asset &a);

private:
    std::vector<unsigned int> meshOffsets;
    std::vector<int> embeddedTexIdxs;
    aiScene *mScene;
};

} // namespace Assimp

#endif // AI_GLTFIMPORTER_H_INC