/**
* 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;
}
