Method InternReadFile

code/AssetLib/X3D/X3DImporter.cpp:266–338

}

void X3DImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) {
    mpIOHandler = pIOHandler;

    Clear();
    std::stringstream ss = ConvertVrmlFileToX3dXmlFile(pFile);
    const bool isReadFromMem{ ss.str().length() > 0 };
    if (!isReadFromMem) {
        std::shared_ptr<IOStream> stream(pIOHandler->Open(pFile, "rb"));
        if (!stream) {
            throw DeadlyImportError("Could not open file for reading");
        }
    }
    std::string::size_type slashPos = pFile.find_last_of("\\/");

    mScene = pScene;
    pScene->mRootNode = new aiNode(pFile);
    pScene->mRootNode->mParent = nullptr;
    pScene->mFlags |= AI_SCENE_FLAGS_ALLOW_SHARED;

    if (isReadFromMem) {
        ParseFile(ss);
    } else {
        pIOHandler->PushDirectory(slashPos == std::string::npos ? std::string() : pFile.substr(0, slashPos + 1));
        ParseFile(pFile, pIOHandler);
        pIOHandler->PopDirectory();
    }

    //search for root node element

    mNodeElementCur = NodeElement_List.front();
    if (mNodeElementCur == nullptr) {
        return;
    }
    while (mNodeElementCur->Parent != nullptr) {
        mNodeElementCur = mNodeElementCur->Parent;
    }

    { // fill aiScene with objects.
        std::list<aiMesh *> mesh_list;
        std::list<aiMaterial *> mat_list;
        std::list<aiLight *> light_list;

        // create nodes tree
        Postprocess_BuildNode(*mNodeElementCur, *pScene->mRootNode, mesh_list, mat_list, light_list);
        // copy needed data to scene
        if (!mesh_list.empty()) {
            std::list<aiMesh *>::const_iterator it = mesh_list.begin();

            pScene->mNumMeshes = static_cast<unsigned int>(mesh_list.size());
            pScene->mMeshes = new aiMesh *[pScene->mNumMeshes];
            for (size_t i = 0; i < pScene->mNumMeshes; i++)
                pScene->mMeshes[i] = *it++;
        }

        if (!mat_list.empty()) {
            std::list<aiMaterial *>::const_iterator it = mat_list.begin();

            pScene->mNumMaterials = static_cast<unsigned int>(mat_list.size());