Method ReadMultipartFile

code/AssetLib/MD3/MD3Loader.cpp:526–651

------------------------------------------------------------------------------------------------ Read a multi-part Q3 player model

// ------------------------------------------------------------------------------------------------
// Read a multi-part Q3 player model
bool MD3Importer::ReadMultipartFile() {
    // check whether the file name contains a common postfix, e.g lower_2.md3
    std::string::size_type s = filename.find_last_of('_'), t = filename.find_last_of('.');

    if (t == std::string::npos)
        t = filename.size();
    if (s == std::string::npos)
        s = t;

    const std::string mod_filename = filename.substr(0, s);
    const std::string suffix = filename.substr(s, t - s);

    if (mod_filename == "lower" || mod_filename == "upper" || mod_filename == "head") {
        const std::string lower = path + "lower" + suffix + ".md3";
        const std::string upper = path + "upper" + suffix + ".md3";
        const std::string head = path + "head" + suffix + ".md3";

        aiScene *scene_upper = nullptr;
        aiScene *scene_lower = nullptr;
        aiScene *scene_head = nullptr;
        std::string failure;

        aiNode *tag_torso, *tag_head;
        std::vector<AttachmentInfo> attach;

        ASSIMP_LOG_INFO("Multi part MD3 player model: lower, upper and head parts are joined");

        // ensure we won't try to load ourselves recursively
        BatchLoader::PropertyMap props;
        SetGenericProperty(props.ints, AI_CONFIG_IMPORT_MD3_HANDLE_MULTIPART, 0);

        // now read these three files
        BatchLoader batch(mIOHandler);
        const unsigned int _lower = batch.AddLoadRequest(lower, 0, &props);
        const unsigned int _upper = batch.AddLoadRequest(upper, 0, &props);
        const unsigned int _head = batch.AddLoadRequest(head, 0, &props);
        batch.LoadAll();

        // now construct a dummy scene to place these three parts in
        aiScene *master = new aiScene();
        aiNode *nd = master->mRootNode = new aiNode();
        nd->mName.Set("<MD3_Player>");

        // ... and get them. We need all of them.
        scene_lower = batch.GetImport(_lower);
        if (!scene_lower) {
            ASSIMP_LOG_ERROR("M3D: Failed to read multi part model, lower.md3 fails to load");
            failure = "lower";
            goto error_cleanup;
        }

        scene_upper = batch.GetImport(_upper);
        if (!scene_upper) {
            ASSIMP_LOG_ERROR("M3D: Failed to read multi part model, upper.md3 fails to load");
            failure = "upper";
            goto error_cleanup;
        }