Java Code Examples for com.jme3.export.binary.BinaryExporter#getInstance()

/**
     * Saves a savable in a system-dependent way. Note that only small amounts of data can be saved.
     * @param gamePath A unique path for this game, e.g. com/mycompany/mygame
     * @param dataName A unique name for this savegame, e.g. "save_001"
     * @param data The Savable to save
     */
    public static void saveGame(String gamePath, String dataName, Savable data) {
        Preferences prefs = Preferences.userRoot().node(gamePath);
        BinaryExporter ex = BinaryExporter.getInstance();
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            GZIPOutputStream zos = new GZIPOutputStream(out);
            ex.save(data, zos);
            zos.close();
        } catch (IOException ex1) {
            Logger.getLogger(SaveGame.class.getName()).log(Level.SEVERE, "Error saving data: {0}", ex1);
            ex1.printStackTrace();
        }
        UUEncoder enc = new UUEncoder();
        String dataString = enc.encodeBuffer(out.toByteArray());
//        System.out.println(dataString);
        if (dataString.length() > Preferences.MAX_VALUE_LENGTH) {
            throw new IllegalStateException("SaveGame dataset too large");
        }
        prefs.put(dataName, dataString);
    }
 

@Override
@BackgroundThread
protected void writeData(@NotNull final Path resultFile) throws IOException {
    super.writeData(resultFile);

    final BinaryExporter exporter = BinaryExporter.getInstance();
    final Node newNode = new Node("Model root");

    try (final OutputStream out = Files.newOutputStream(resultFile, WRITE, TRUNCATE_EXISTING, CREATE)) {
        exporter.save(newNode, out);
    }
}
 

@Override
@BackgroundThread
protected void writeData(@NotNull final Path resultFile) throws IOException {
    super.writeData(resultFile);

    final BinaryExporter exporter = BinaryExporter.getInstance();
    final SceneNode newNode = createScene();

    try (final OutputStream out = Files.newOutputStream(resultFile, WRITE, TRUNCATE_EXISTING, CREATE)) {
        exporter.save(newNode, out);
    }
}
 

/**
 * Import the external model in a background thread.
 */
@BackgroundThread
private void importModel() {

    final Path modelFile = notNull(getFileToCreate());

    final Path parent = modelFile.getParent();
    final VarTable vars = getVars();

    final Path importedFile = vars.get(PROP_FILE);

    final AssetManager assetManager = EditorUtil.getAssetManager();
    final Spatial model;

    FolderAssetLocator.setIgnore(true);
    try {
        model = assetManager.loadModel(importedFile.toString());
    } finally {
        FolderAssetLocator.setIgnore(false);
    }

    if (EDITOR_CONFIG.getBoolean(PREF_TANGENT_GENERATION, PREF_DEFAULT_TANGENT_GENERATION)) {
        TangentGenerator.useMikktspaceGenerator(model);
    }

    final Path texturesFolder = vars.get(PROP_TEXTURES_FOLDER, parent);
    final boolean overwriteTextures = vars.getBoolean(PROP_OVERWRITE_TEXTURES);

    final boolean needExportMaterials = vars.getBoolean(PROP_NEED_MATERIALS_EXPORT);
    final Path materialsFolder = vars.get(PROP_MATERIALS_FOLDER, parent);
    final boolean overwriteMaterials = vars.getBoolean(PROP_OVERWRITE_MATERIALS, false);

    final Array<Texture> textures = ArrayFactory.newArray(Texture.class);
    final Array<Geometry> geometries = ArrayFactory.newArray(Geometry.class);

    NodeUtils.visitGeometry(model, geometry -> {

        final Material material = geometry.getMaterial();
        if (needExportMaterials) geometries.add(geometry);

        material.getParams().stream()
                .filter(MatParamTexture.class::isInstance)
                .map(MatParam::getValue)
                .filter(Texture.class::isInstance)
                .map(Texture.class::cast)
                .filter(texture -> texture.getKey() != null)
                .forEach(textures::add);
    });

    copyTextures(texturesFolder, overwriteTextures, textures);

    if (needExportMaterials) {
        exportMaterials(materialsFolder, overwriteMaterials, geometries);
    }

    final Path assetFile = notNull(getAssetFile(modelFile));
    final String assetPath = toAssetPath(assetFile);

    model.setName(assetPath);

    final BinaryExporter exporter = BinaryExporter.getInstance();

    try (final OutputStream out = Files.newOutputStream(modelFile, WRITE, TRUNCATE_EXISTING, CREATE)) {
        exporter.save(model, out);
    } catch (final IOException e) {
        throw new RuntimeException(e);
    }

    notifyFileCreated(modelFile, true);
}
 

/**
 * Convert a file using settings from the dialog.
 */
@BackgroundThread
private void convertImpl(@NotNull final Path source, @NotNull final VarTable vars) throws IOException {

    final String filename = vars.getString(PROP_RESULT_NAME);
    final Path destinationFolder = notNull(getRealFile(vars.get(PROP_DESTINATION, Path.class)));
    final Path destination = destinationFolder.resolve(filename + "." + FileExtensions.JME_OBJECT);
    final boolean isOverwrite = Files.exists(destination);

    final Path assetFile = notNull(getAssetFile(source), "Not found asset file for " + source);
    final ModelKey modelKey = new ModelKey(toAssetPath(assetFile));

    final AssetManager assetManager = EditorUtil.getAssetManager();
    final Spatial model = assetManager.loadAsset(modelKey);

    if (EDITOR_CONFIG.getBoolean(PREF_TANGENT_GENERATION, PREF_DEFAULT_TANGENT_GENERATION)) {
        TangentGenerator.useMikktspaceGenerator(model);
    }

    if (vars.getBoolean(PROP_EXPORT_MATERIALS)) {

        final Array<Geometry> geometries = ArrayFactory.newArray(Geometry.class);
        final ObjectDictionary<String, Geometry> mapping = DictionaryFactory.newObjectDictionary();

        final Path materialsFolder = vars.get(PROP_MATERIALS_FOLDER);
        final boolean canOverwrite = vars.getBoolean(PROP_OVERWRITE_MATERIALS);

        NodeUtils.visitGeometry(model, geometry -> checkAndAdd(geometries, geometry));
        geometries.forEach(geometry -> generateNames(mapping, geometry));
        mapping.forEach((materialName, geometry) -> storeMaterials(materialsFolder, canOverwrite, materialName, geometry));
    }

    final BinaryExporter exporter = BinaryExporter.getInstance();

    try (final OutputStream out = Files.newOutputStream(destination, WRITE, TRUNCATE_EXISTING, CREATE)) {
        exporter.save(model, out);
    }

    if (isOverwrite) {
        notifyFileChanged(destination);
    } else {
        notifyFileCreated(destination);
    }
}
 

public void saveAsset() throws IOException {
    ProjectAssetManager mgr = getLookup().lookup(ProjectAssetManager.class);
    if (mgr == null) {
        return;
    }
    String name = getPrimaryFile().getName();
    int idx = name.toLowerCase().indexOf(".mesh");
    if(idx!=-1){
        name = name.substring(0, idx);
    }
    
    ProgressHandle progressHandle = ProgressHandleFactory.createHandle("Saving File..");
    progressHandle.start();
    BinaryExporter exp = BinaryExporter.getInstance();
    FileLock lock = null;
    OutputStream out = null;
    try {
        if (saveExtension == null) {
            out = getPrimaryFile().getOutputStream();
        } else {
            FileObject outFileObject = getPrimaryFile().getParent().getFileObject(name, saveExtension);
            if (outFileObject == null) {
                outFileObject = getPrimaryFile().getParent().createData(name, saveExtension);
            }
            out = outFileObject.getOutputStream();
            outFileObject.getParent().refresh();
        }
        exp.save(savable, out);
    } finally {
        if (lock != null) {
            lock.releaseLock();
        }
        if (out != null) {
            out.close();
        }
    }
    progressHandle.finish();
    StatusDisplayer.getDefault().setStatusText(getPrimaryFile().getNameExt() + " saved.");
    setModified(false);
    
    FileObject outFile = null;
    if (saveExtension == null) {
        outFile = getPrimaryFile();
    } else {
        outFile = getPrimaryFile().getParent().getFileObject(name, saveExtension);
        if (outFile == null) {
            Logger.getLogger(SpatialAssetDataObject.class.getName()).log(Level.SEVERE, "Could not locate saved file.");
            return;
        }
    }
    try {
        DataObject targetModel = DataObject.find(outFile);
        AssetData properties = targetModel.getLookup().lookup(AssetData.class);
        if (properties != null) {
            properties.loadProperties();
            properties.setProperty("ORIGINAL_PATH", mgr.getRelativeAssetPath(outFile.getPath()));
            properties.saveProperties();
        }
    } catch (Exception ex) {
        Exceptions.printStackTrace(ex);
    }
}