private void startSkeleton(String name) {
        AssetKey<AnimData> assetKey = new AssetKey<>(folderName + name + ".xml");
        try {
            animData = assetManager.loadAsset(assetKey);
        } catch (AssetNotFoundException ex) {
            logger.log(Level.WARNING, "Cannot locate {0} for model {1}", new Object[]{assetKey, key});
            animData = null;
        }
    }
Normalizes weights if needed and finds largest amount of weights used for
all vertices in the buffer.
jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MeshLoader.java