public void split() throws IOException {
List<ObjectPath> pathTable = asset.getPaths();
TypeTree typeTree = asset.getTypeTree();
// assets with just one object can't be split any further
if (pathTable.size() == 1) {
L.warning("Asset doesn't contain sub-assets!");
return;
}
for (ObjectPath path : pathTable) {
// skip filtered classes
if (cf != null && !cf.accept(path)) {
continue;
}
String className = ClassID.getNameForID(path.getClassID(), true);
AssetFile subAsset = new AssetFile();
subAsset.getHeader().setFormat(asset.getHeader().getFormat());
ObjectPath subFieldPath = new ObjectPath();
subFieldPath.setClassID1(path.getClassID1());
subFieldPath.setClassID2(path.getClassID2());
subFieldPath.setLength(path.getLength());
subFieldPath.setOffset(0);
subFieldPath.setPathID(1);
subAsset.getPaths().add(subFieldPath);
TypeTree subTypeTree = subAsset.getTypeTree();
subTypeTree.setEngineVersion(typeTree.getEngineVersion());
subTypeTree.setVersion(-2);
subTypeTree.setFormat(typeTree.getFormat());
subTypeTree.getFields().put(path.getClassID(), typeTree.getFields().get(path.getClassID()));
subAsset.setDataBuffer(asset.getPathBuffer(path));
Path subAssetDir = outputDir.resolve(className);
if (Files.notExists(subAssetDir)) {
Files.createDirectories(subAssetDir);
}
// probe asset name
String subAssetName = getObjectName(asset, path);
if (subAssetName != null) {
// remove any chars that could cause troubles on various file systems
subAssetName = FilenameSanitizer.sanitizeName(subAssetName);
} else {
// use numeric names
subAssetName = String.format("%06d", path.getPathID());
}
subAssetName += ".asset";
Path subAssetFile = subAssetDir.resolve(subAssetName);
if (Files.notExists(subAssetFile)) {
L.log(Level.INFO, "Writing {0}", subAssetFile);
subAsset.save(subAssetFile);
}
}
}
public void extract(boolean raw) throws IOException {
List<ObjectPath> paths = asset.getPaths();
Deserializer deser = new Deserializer(asset);
for (AssetExtractHandler extractHandler : extractHandlerMap.values()) {
extractHandler.setAssetFile(asset);
extractHandler.setOutputDir(outputDir);
}
for (ObjectPath path : paths) {
// skip filtered classes
if (cf != null && !cf.accept(path)) {
continue;
}
String className = ClassID.getNameForID(path.getClassID(), true);
// write just the serialized object data or parsed and extracted content?
if (raw) {
String assetFileName = String.format("%06d.bin", path.getPathID());
Path classDir = outputDir.resolve(className);
if (Files.notExists(classDir)) {
Files.createDirectories(classDir);
}
Path assetFile = classDir.resolve(assetFileName);
L.log(Level.INFO, "Writing {0} {1}", new Object[] {className, assetFileName});
ByteBuffer bbAsset = asset.getPathBuffer(path);
try {
ByteBufferUtils.save(assetFile, bbAsset);
} catch (Exception ex) {
L.log(Level.WARNING, "Can't write " + path + " to " + assetFile, ex);
}
} else {
AssetExtractHandler handler = getHandler(className);
if (handler != null) {
UnityObject obj;
try {
obj = deser.deserialize(path);
} catch (Exception ex) {
L.log(Level.WARNING, "Can't deserialize " + path, ex);
continue;
}
try {
handler.setObjectPath(path);
handler.extract(obj);
} catch (Exception ex) {
L.log(Level.WARNING, "Can't extract " + path, ex);
}
}
}
}
}