Method InternReadFile

code/AssetLib/LWS/LWSLoader.cpp:495–942

------------------------------------------------------------------------------------------------ Read file into given scene data structure

// ------------------------------------------------------------------------------------------------
// Read file into given scene data structure
void LWSImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) {
    io = pIOHandler;
    std::unique_ptr<IOStream> file(pIOHandler->Open(pFile, "rb"));

    // Check whether we can read from the file
    if (file == nullptr) {
        throw DeadlyImportError("Failed to open LWS file ", pFile, ".");
    }

    // Allocate storage and copy the contents of the file to a memory buffer
    std::vector<char> mBuffer;
    TextFileToBuffer(file.get(), mBuffer);

    // Parse the file structure
    LWS::Element root;
    const char *dummy = &mBuffer[0];
    const char *dummyEnd = dummy + mBuffer.size();
    root.Parse(dummy, dummyEnd);

    // Construct a Batch-importer to read more files recursively
    BatchLoader batch(pIOHandler);

    // Construct an array to receive the flat output graph
    std::list<LWS::NodeDesc> nodes;

    unsigned int cur_light = 0, cur_camera = 0, cur_object = 0;
    unsigned int num_light = 0, num_camera = 0;

    // check magic identifier, 'LWSC'
    bool motion_file = false;
    std::list<LWS::Element>::const_iterator it = root.children.begin();

    if ((*it).tokens[0] == "LWMO") {
        motion_file = true;
    }

    if ((*it).tokens[0] != "LWSC" && !motion_file) {
        throw DeadlyImportError("LWS: Not a LightWave scene, magic tag LWSC not found");
    }

    // get file format version and print to log
    ++it;

    if (it == root.children.end() || (*it).tokens[0].empty()) {
        ASSIMP_LOG_ERROR("Invalid LWS file detectedm abort import.");
        return;
    }
    unsigned int version = strtoul10((*it).tokens[0].c_str());
    ASSIMP_LOG_INFO("LWS file format version is ", (*it).tokens[0]);
    first = 0.;
    last = 60.;
    fps = 25.; // seems to be a good default frame rate

    // Now read all elements in a very straightforward manner
    for (; it != root.children.end(); ++it) {
        const char *c = (*it).tokens[1].c_str();
        const char *end = c + (*it).tokens[1].size();