Examples with BlenderKey com.jme3.asset.BlenderKey used on opensource projects

Example 1 with BlenderKey

use of com.jme3.asset.BlenderKey in project jmonkeyengine by jMonkeyEngine.

the class CombinedTexture method generateSkyTexture.

/**
     * Generates a texture that will be used by the sky spatial.
     * The result texture has 6 layers. Every image in each layer has equal size and its shape is a square.
     * The size of each image is the maximum size (width or height) of the textures given.
     * The default sky generated texture size is used (this value is set in the BlenderKey) if no picture textures
     * are present or their sizes is lower than the generated texture size.
     * The textures of lower sizes are properly scaled.
     * All the textures are mixed into one and put as layers in the result texture.
     * 
     * @param horizontalColor
     *            the horizon color
     * @param zenithColor
     *            the zenith color
     * @param blenderContext
     *            the blender context
     * @return texture for the sky
     */
public TextureCubeMap generateSkyTexture(ColorRGBA horizontalColor, ColorRGBA zenithColor, BlenderContext blenderContext) {
    LOGGER.log(Level.FINE, "Preparing sky texture from {0} applied textures.", textureDatas.size());
    LOGGER.fine("Computing the texture size.");
    int size = -1;
    for (TextureData textureData : textureDatas) {
        if (textureData.texture instanceof Texture2D) {
            size = Math.max(textureData.texture.getImage().getWidth(), size);
            size = Math.max(textureData.texture.getImage().getHeight(), size);
        }
    }
    if (size < 0) {
        size = blenderContext.getBlenderKey().getSkyGeneratedTextureSize();
    }
    LOGGER.log(Level.FINE, "The sky texture size will be: {0}x{0}.", size);
    TextureCubeMap result = null;
    for (TextureData textureData : textureDatas) {
        TextureCubeMap texture = null;
        if (textureData.texture instanceof GeneratedTexture) {
            texture = ((GeneratedTexture) textureData.texture).generateSkyTexture(size, horizontalColor, zenithColor, blenderContext);
        } else {
            // first create a grayscale version of the image
            Image image = textureData.texture.getImage();
            if (image.getWidth() != image.getHeight() || image.getWidth() != size) {
                image = ImageUtils.resizeTo(image, size, size);
            }
            Image grayscaleImage = ImageUtils.convertToGrayscaleTexture(image);
            // add the sky colors to the image
            PixelInputOutput sourcePixelIO = PixelIOFactory.getPixelIO(grayscaleImage.getFormat());
            PixelInputOutput targetPixelIO = PixelIOFactory.getPixelIO(image.getFormat());
            TexturePixel texturePixel = new TexturePixel();
            for (int x = 0; x < image.getWidth(); ++x) {
                for (int y = 0; y < image.getHeight(); ++y) {
                    sourcePixelIO.read(grayscaleImage, 0, texturePixel, x, y);
                    // no matter which factor we use here, in grayscale they are all equal
                    texturePixel.intensity = texturePixel.red;
                    ImageUtils.color(texturePixel, horizontalColor, zenithColor);
                    targetPixelIO.write(image, 0, texturePixel, x, y);
                }
            }
            // create the cubemap texture from the coloured image
            ByteBuffer sourceData = image.getData(0);
            ArrayList<ByteBuffer> data = new ArrayList<ByteBuffer>(6);
            for (int i = 0; i < 6; ++i) {
                data.add(BufferUtils.clone(sourceData));
            }
            texture = new TextureCubeMap(new Image(image.getFormat(), image.getWidth(), image.getHeight(), 6, data, ColorSpace.Linear));
        }
        if (result == null) {
            result = texture;
        } else {
            ImageUtils.mix(result.getImage(), texture.getImage());
        }
    }
    return result;
}

Example 2 with BlenderKey

use of com.jme3.asset.BlenderKey in project jmonkeyengine by jMonkeyEngine.

the class TextureHelper method loadImageFromFile.

/**
     * This method loads the textre from outside the blend file using the
     * AssetManager that the blend file was loaded with. It returns a texture
     * with a full assetKey that references the original texture so it later
     * doesn't need to ba packed when the model data is serialized. It searches
     * the AssetManager for the full path if the model file is a relative path
     * and will attempt to truncate the path if it is an absolute file path
     * until the path can be found in the AssetManager. If the texture can not
     * be found, it will issue a load attempt for the initial path anyway so the
     * failed load can be reported by the AssetManagers callback methods for
     * failed assets.
     * 
     * @param name
     *            the path to the image
     * @param imaflag
     *            the image flag
     * @param blenderContext
     *            the blender context
     * @return the loaded image or null if the image cannot be found
     */
protected Texture loadImageFromFile(String name, int imaflag, BlenderContext blenderContext) {
    if (!name.contains(".")) {
        // no extension means not a valid image
        return null;
    }
    // decide if the mipmaps will be generated
    boolean generateMipmaps = false;
    switch(blenderContext.getBlenderKey().getMipmapGenerationMethod()) {
        case ALWAYS_GENERATE:
            generateMipmaps = true;
            break;
        case NEVER_GENERATE:
            break;
        case GENERATE_WHEN_NEEDED:
            generateMipmaps = (imaflag & 0x04) != 0;
            break;
        default:
            throw new IllegalStateException("Unknown mipmap generation method: " + blenderContext.getBlenderKey().getMipmapGenerationMethod());
    }
    AssetManager assetManager = blenderContext.getAssetManager();
    name = name.replace('\\', '/');
    Texture result = null;
    if (name.startsWith("//")) {
        // This is a relative path, so try to find it relative to the .blend file
        String relativePath = name.substring(2);
        // Augument the path with blender key path
        BlenderKey blenderKey = blenderContext.getBlenderKey();
        int idx = blenderKey.getName().lastIndexOf('/');
        String blenderAssetFolder = blenderKey.getName().substring(0, idx != -1 ? idx : 0);
        String absoluteName = blenderAssetFolder + '/' + relativePath;
        // Directly try to load texture so AssetManager can report missing textures
        try {
            TextureKey key = new TextureKey(absoluteName);
            key.setFlipY(true);
            key.setGenerateMips(generateMipmaps);
            result = assetManager.loadTexture(key);
            result.setKey(key);
        } catch (AssetNotFoundException | AssetLoadException e) {
            LOGGER.fine(e.getLocalizedMessage());
        }
    } else {
        // This is a full path, try to truncate it until the file can be found
        // this works as the assetManager root is most probably a part of the
        // image path. E.g. AssetManager has a locator at c:/Files/ and the
        // texture path is c:/Files/Textures/Models/Image.jpg.
        // For this we create a list with every possible full path name from
        // the asset name to the root. Image.jpg, Models/Image.jpg,
        // Textures/Models/Image.jpg (bingo) etc.
        List<String> assetNames = new ArrayList<String>();
        String[] paths = name.split("\\/");
        // the asset name
        StringBuilder sb = new StringBuilder(paths[paths.length - 1]);
        assetNames.add(paths[paths.length - 1]);
        for (int i = paths.length - 2; i >= 0; --i) {
            sb.insert(0, '/');
            sb.insert(0, paths[i]);
            assetNames.add(0, sb.toString());
        }
        // Now try to locate the asset
        for (String assetName : assetNames) {
            try {
                TextureKey key = new TextureKey(assetName);
                key.setFlipY(true);
                key.setGenerateMips(generateMipmaps);
                AssetInfo info = assetManager.locateAsset(key);
                if (info != null) {
                    Texture texture = assetManager.loadTexture(key);
                    result = texture;
                    // Set key explicitly here if other ways fail
                    texture.setKey(key);
                    // If texture is found return it;
                    return result;
                }
            } catch (AssetNotFoundException | AssetLoadException e) {
                LOGGER.fine(e.getLocalizedMessage());
            }
        }
        // the missing asset to subsystems.
        try {
            TextureKey key = new TextureKey(name);
            assetManager.loadTexture(key);
        } catch (AssetNotFoundException | AssetLoadException e) {
            LOGGER.fine(e.getLocalizedMessage());
        }
    }
    return result;
}

Example 3 with BlenderKey

use of com.jme3.asset.BlenderKey in project jmonkeyengine by jMonkeyEngine.

the class BlenderLoader method load.

@Override
public Spatial load(AssetInfo assetInfo) throws IOException {
    try {
        BlenderContext blenderContext = this.setup(assetInfo);
        AnimationHelper animationHelper = blenderContext.getHelper(AnimationHelper.class);
        animationHelper.loadAnimations();
        BlenderKey blenderKey = blenderContext.getBlenderKey();
        LoadedFeatures loadedFeatures = new LoadedFeatures();
        for (FileBlockHeader block : blenderContext.getBlocks()) {
            switch(block.getCode()) {
                case BLOCK_OB00:
                    ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
                    Node object = (Node) objectHelper.toObject(block.getStructure(blenderContext), blenderContext);
                    if (LOGGER.isLoggable(Level.FINE)) {
                        LOGGER.log(Level.FINE, "{0}: {1}--> {2}", new Object[] { object.getName(), object.getLocalTranslation().toString(), object.getParent() == null ? "null" : object.getParent().getName() });
                    }
                    if (object.getParent() == null) {
                        loadedFeatures.objects.add(object);
                    }
                    if (object instanceof LightNode && ((LightNode) object).getLight() != null) {
                        loadedFeatures.lights.add(((LightNode) object).getLight());
                    } else if (object instanceof CameraNode && ((CameraNode) object).getCamera() != null) {
                        loadedFeatures.cameras.add(((CameraNode) object).getCamera());
                    }
                    break;
                case // Scene
                BLOCK_SC00:
                    loadedFeatures.sceneBlocks.add(block);
                    break;
                case // Material
                BLOCK_MA00:
                    MaterialHelper materialHelper = blenderContext.getHelper(MaterialHelper.class);
                    MaterialContext materialContext = materialHelper.toMaterialContext(block.getStructure(blenderContext), blenderContext);
                    loadedFeatures.materials.add(materialContext);
                    break;
                case // Mesh
                BLOCK_ME00:
                    MeshHelper meshHelper = blenderContext.getHelper(MeshHelper.class);
                    TemporalMesh temporalMesh = meshHelper.toTemporalMesh(block.getStructure(blenderContext), blenderContext);
                    loadedFeatures.meshes.add(temporalMesh);
                    break;
                case // Image
                BLOCK_IM00:
                    TextureHelper textureHelper = blenderContext.getHelper(TextureHelper.class);
                    Texture image = textureHelper.loadImageAsTexture(block.getStructure(blenderContext), 0, blenderContext);
                    if (image != null && image.getImage() != null) {
                        // render results are stored as images but are not being loaded
                        loadedFeatures.images.add(image);
                    }
                    break;
                case BLOCK_TE00:
                    Structure textureStructure = block.getStructure(blenderContext);
                    int type = ((Number) textureStructure.getFieldValue("type")).intValue();
                    if (type == TextureHelper.TEX_IMAGE) {
                        TextureHelper texHelper = blenderContext.getHelper(TextureHelper.class);
                        Texture texture = texHelper.getTexture(textureStructure, null, blenderContext);
                        if (texture != null) {
                            // null is returned when texture has no image
                            loadedFeatures.textures.add(texture);
                        }
                    } else {
                        LOGGER.fine("Only image textures can be loaded as unlinked assets. Generated textures will be applied to an existing object.");
                    }
                    break;
                case // World
                BLOCK_WO00:
                    LandscapeHelper landscapeHelper = blenderContext.getHelper(LandscapeHelper.class);
                    Structure worldStructure = block.getStructure(blenderContext);
                    String worldName = worldStructure.getName();
                    if (blenderKey.getUsedWorld() == null || blenderKey.getUsedWorld().equals(worldName)) {
                        Light ambientLight = landscapeHelper.toAmbientLight(worldStructure);
                        if (ambientLight != null) {
                            loadedFeatures.objects.add(new LightNode(null, ambientLight));
                            loadedFeatures.lights.add(ambientLight);
                        }
                        loadedFeatures.sky = landscapeHelper.toSky(worldStructure);
                        loadedFeatures.backgroundColor = landscapeHelper.toBackgroundColor(worldStructure);
                        Filter fogFilter = landscapeHelper.toFog(worldStructure);
                        if (fogFilter != null) {
                            loadedFeatures.filters.add(landscapeHelper.toFog(worldStructure));
                        }
                    }
                    break;
                case BLOCK_AC00:
                    LOGGER.fine("Loading unlinked animations is not yet supported!");
                    break;
                default:
                    LOGGER.log(Level.FINEST, "Ommiting the block: {0}.", block.getCode());
            }
        }
        LOGGER.fine("Baking constraints after every feature is loaded.");
        ConstraintHelper constraintHelper = blenderContext.getHelper(ConstraintHelper.class);
        constraintHelper.bakeConstraints(blenderContext);
        LOGGER.fine("Loading scenes and attaching them to the root object.");
        for (FileBlockHeader sceneBlock : loadedFeatures.sceneBlocks) {
            loadedFeatures.scenes.add(this.toScene(sceneBlock.getStructure(blenderContext), blenderContext));
        }
        LOGGER.fine("Creating the root node of the model and applying loaded nodes of the scene and loaded features to it.");
        Node modelRoot = new Node(blenderKey.getName());
        for (Node scene : loadedFeatures.scenes) {
            modelRoot.attachChild(scene);
        }
        if (blenderKey.isLoadUnlinkedAssets()) {
            LOGGER.fine("Setting loaded content as user data in resulting sptaial.");
            Map<String, Map<String, Object>> linkedData = new HashMap<String, Map<String, Object>>();
            Map<String, Object> thisFileData = new HashMap<String, Object>();
            thisFileData.put("scenes", loadedFeatures.scenes == null ? new ArrayList<Object>() : loadedFeatures.scenes);
            thisFileData.put("objects", loadedFeatures.objects == null ? new ArrayList<Object>() : loadedFeatures.objects);
            thisFileData.put("meshes", loadedFeatures.meshes == null ? new ArrayList<Object>() : loadedFeatures.meshes);
            thisFileData.put("materials", loadedFeatures.materials == null ? new ArrayList<Object>() : loadedFeatures.materials);
            thisFileData.put("textures", loadedFeatures.textures == null ? new ArrayList<Object>() : loadedFeatures.textures);
            thisFileData.put("images", loadedFeatures.images == null ? new ArrayList<Object>() : loadedFeatures.images);
            thisFileData.put("animations", loadedFeatures.animations == null ? new ArrayList<Object>() : loadedFeatures.animations);
            thisFileData.put("cameras", loadedFeatures.cameras == null ? new ArrayList<Object>() : loadedFeatures.cameras);
            thisFileData.put("lights", loadedFeatures.lights == null ? new ArrayList<Object>() : loadedFeatures.lights);
            thisFileData.put("filters", loadedFeatures.filters == null ? new ArrayList<Object>() : loadedFeatures.filters);
            thisFileData.put("backgroundColor", loadedFeatures.backgroundColor);
            thisFileData.put("sky", loadedFeatures.sky);
            linkedData.put("this", thisFileData);
            linkedData.putAll(blenderContext.getLinkedFeatures());
            modelRoot.setUserData("linkedData", linkedData);
        }
        return modelRoot;
    } catch (BlenderFileException e) {
        throw new IOException(e.getLocalizedMessage(), e);
    } catch (Exception e) {
        throw new IOException("Unexpected importer exception occured: " + e.getLocalizedMessage(), e);
    } finally {
        this.clear(assetInfo);
    }
}

Example 4 with BlenderKey

use of com.jme3.asset.BlenderKey in project jmonkeyengine by jMonkeyEngine.

the class AbstractBlenderHelper method loadLibrary.

/**
     * The method loads library of a given ID from linked blender file.
     * @param id
     *            the ID of the linked feature (it contains its name and blender path)
     * @return loaded feature or null if none was found
     * @throws BlenderFileException
     *             and exception is throw when problems with reading a blend file occur
     */
protected Object loadLibrary(Structure id) throws BlenderFileException {
    Pointer pLib = (Pointer) id.getFieldValue("lib");
    if (pLib.isNotNull()) {
        // we need full name with the prefix
        String fullName = id.getFieldValue("name").toString();
        String nameOfFeatureToLoad = id.getName();
        Structure library = pLib.fetchData().get(0);
        String path = library.getFieldValue("filepath").toString();
        if (!blenderContext.getLinkedFeatures().keySet().contains(path)) {
            Spatial loadedAsset = null;
            BlenderKey blenderKey = new BlenderKey(path);
            blenderKey.setLoadUnlinkedAssets(true);
            try {
                loadedAsset = blenderContext.getAssetManager().loadAsset(blenderKey);
            } catch (AssetNotFoundException e) {
                LOGGER.log(Level.FINEST, "Cannot locate linked resource at path: {0}.", path);
            }
            if (loadedAsset != null) {
                Map<String, Map<String, Object>> linkedData = loadedAsset.getUserData("linkedData");
                for (Entry<String, Map<String, Object>> entry : linkedData.entrySet()) {
                    String linkedDataFilePath = "this".equals(entry.getKey()) ? path : entry.getKey();
                    blenderContext.getLinkedFeatures().put(linkedDataFilePath, entry.getValue());
                }
            } else {
                LOGGER.log(Level.WARNING, "No features loaded from path: {0}.", path);
            }
        }
        Object result = blenderContext.getLinkedFeature(path, fullName);
        if (result == null) {
            LOGGER.log(Level.WARNING, "Could NOT find asset named {0} in the library of path: {1}.", new Object[] { nameOfFeatureToLoad, path });
        } else {
            blenderContext.addLoadedFeatures(id.getOldMemoryAddress(), LoadedDataType.STRUCTURE, id);
            blenderContext.addLoadedFeatures(id.getOldMemoryAddress(), LoadedDataType.FEATURE, result);
        }
        return result;
    } else {
        LOGGER.warning("Library link points to nothing!");
    }
    return null;
}

Example 5 with BlenderKey

use of com.jme3.asset.BlenderKey in project jmonkeyengine by jMonkeyEngine.

the class BlenderLoader method setup.

/**
     * This method sets up the loader.
     * @param assetInfo
     *            the asset info
     * @throws BlenderFileException
     *             an exception is throw when something wrong happens with blender file
     */
protected BlenderContext setup(AssetInfo assetInfo) throws BlenderFileException {
    // registering loaders
    ModelKey modelKey = (ModelKey) assetInfo.getKey();
    BlenderKey blenderKey;
    if (modelKey instanceof BlenderKey) {
        blenderKey = (BlenderKey) modelKey;
    } else {
        blenderKey = new BlenderKey(modelKey.getName());
    }
    // opening stream
    BlenderInputStream inputStream = new BlenderInputStream(assetInfo.openStream());
    // reading blocks
    List<FileBlockHeader> blocks = new ArrayList<FileBlockHeader>();
    FileBlockHeader fileBlock;
    BlenderContext blenderContext = new BlenderContext();
    blenderContext.setBlenderVersion(inputStream.getVersionNumber());
    blenderContext.setAssetManager(assetInfo.getManager());
    blenderContext.setInputStream(inputStream);
    blenderContext.setBlenderKey(blenderKey);
    // creating helpers
    blenderContext.putHelper(AnimationHelper.class, new AnimationHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(TextureHelper.class, new TextureHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(MeshHelper.class, new MeshHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(ObjectHelper.class, new ObjectHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(CurvesHelper.class, new CurvesHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(LightHelper.class, new LightHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(CameraHelper.class, new CameraHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(ModifierHelper.class, new ModifierHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(MaterialHelper.class, new MaterialHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(ConstraintHelper.class, new ConstraintHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(ParticlesHelper.class, new ParticlesHelper(inputStream.getVersionNumber(), blenderContext));
    blenderContext.putHelper(LandscapeHelper.class, new LandscapeHelper(inputStream.getVersionNumber(), blenderContext));
    // reading the blocks (dna block is automatically saved in the blender context when found)
    FileBlockHeader sceneFileBlock = null;
    do {
        fileBlock = new FileBlockHeader(inputStream, blenderContext);
        if (!fileBlock.isDnaBlock()) {
            blocks.add(fileBlock);
            // save the scene's file block
            if (fileBlock.getCode() == BlockCode.BLOCK_SC00) {
                sceneFileBlock = fileBlock;
            }
        }
    } while (!fileBlock.isLastBlock());
    if (sceneFileBlock != null) {
        blenderContext.setSceneStructure(sceneFileBlock.getStructure(blenderContext));
    }
    // adding locator for linked content
    assetInfo.getManager().registerLocator(assetInfo.getKey().getName(), LinkedContentLocator.class);
    return blenderContext;
}