/** * This constructor parses the given blender version and stores the result. Some functionalities * may differ in different blender versions. * * @param blenderVersion the version read from the blend file * @param blenderContext the blender context */ public AbstractBlenderHelper(String blenderVersion, BlenderContext blenderContext) { this.blenderVersion = Integer.parseInt(blenderVersion); this.blenderContext = blenderContext; fixUpAxis = blenderContext.getBlenderKey().isFixUpAxis(); if (fixUpAxis) { upAxisRotationQuaternion = new Quaternion().fromAngles(-FastMath.HALF_PI, 0, 0); } }
/** * 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 */ @SuppressWarnings("unchecked") protected Object loadLibrary(Structure id) throws BlenderFileException { Pointer pLib = (Pointer) id.getFieldValue("lib"); if (pLib.isNotNull()) { String fullName = id.getFieldValue("name").toString(); // we need full name with the prefix String nameOfFeatureToLoad = id.getName(); Structure library = pLib.fetchData().get(0); String path = library.getFieldValue("filepath").toString(); if (!blenderContext.getLinkedFeatures().keySet().contains(path)) { File file = new File(path); List<String> pathsToCheck = new ArrayList<String>(); String currentPath = file.getName(); do { pathsToCheck.add(currentPath); file = file.getParentFile(); if (file != null) { currentPath = file.getName() + '/' + currentPath; } } while (file != null); Spatial loadedAsset = null; BlenderKey blenderKey = null; for (String p : pathsToCheck) { blenderKey = new BlenderKey(p); blenderKey.setLoadUnlinkedAssets(true); try { loadedAsset = blenderContext.getAssetManager().loadAsset(blenderKey); break; // break if no exception was thrown } catch (AssetNotFoundException e) { LOGGER.log(Level.FINEST, "Cannot locate linked resource at path: {0}.", p); } } 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(); List<Node> scenes = (List<Node>) entry.getValue().get("scenes"); for (Node scene : scenes) { blenderContext.addLinkedFeature(linkedDataFilePath, "SC" + scene.getName(), scene); } List<Node> objects = (List<Node>) entry.getValue().get("objects"); for (Node object : objects) { blenderContext.addLinkedFeature(linkedDataFilePath, "OB" + object.getName(), object); } List<TemporalMesh> meshes = (List<TemporalMesh>) entry.getValue().get("meshes"); for (TemporalMesh mesh : meshes) { blenderContext.addLinkedFeature(linkedDataFilePath, "ME" + mesh.getName(), mesh); } List<MaterialContext> materials = (List<MaterialContext>) entry.getValue().get("materials"); for (MaterialContext materialContext : materials) { blenderContext.addLinkedFeature( linkedDataFilePath, "MA" + materialContext.getName(), materialContext); } List<Texture> textures = (List<Texture>) entry.getValue().get("textures"); for (Texture texture : textures) { blenderContext.addLinkedFeature( linkedDataFilePath, "TE" + texture.getName(), texture); } List<Texture> images = (List<Texture>) entry.getValue().get("images"); for (Texture image : images) { blenderContext.addLinkedFeature(linkedDataFilePath, "IM" + image.getName(), image); } List<Animation> animations = (List<Animation>) entry.getValue().get("animations"); for (Animation animation : animations) { blenderContext.addLinkedFeature( linkedDataFilePath, "AC" + animation.getName(), animation); } List<Camera> cameras = (List<Camera>) entry.getValue().get("cameras"); for (Camera camera : cameras) { blenderContext.addLinkedFeature(linkedDataFilePath, "CA" + camera.getName(), camera); } List<Light> lights = (List<Light>) entry.getValue().get("lights"); for (Light light : lights) { blenderContext.addLinkedFeature(linkedDataFilePath, "LA" + light.getName(), light); } Spatial sky = (Spatial) entry.getValue().get("sky"); if (sky != null) { blenderContext.addLinkedFeature(linkedDataFilePath, sky.getName(), sky); } List<Filter> filters = (List<Filter>) entry.getValue().get("filters"); for (Filter filter : filters) { blenderContext.addLinkedFeature(linkedDataFilePath, filter.getName(), filter); } } } 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; }