private static final Skeleton parseSkeleton(Node skel_node) { Map name_to_bone_map = new HashMap(); Map initial_pose = AnimationLoader.parseFrame(ConvertToBinary.getNodeByName("init_pose", skel_node)); NodeList bone_list = ConvertToBinary.getNodeByName("bones", skel_node).getChildNodes(); Map bone_parent_map = new HashMap(); for (int i = 0; i < bone_list.getLength(); i++) { Node bone_node = bone_list.item(i); if (bone_node.getNodeName().equals("bone")) { String bone_name = bone_node.getAttributes().getNamedItem("name").getNodeValue(); String bone_parent_name = bone_node.getAttributes().getNamedItem("parent").getNodeValue(); // System.out.println("bone name = " + bone_name + " parent name = " + bone_parent_name); bone_parent_map.put(bone_name, bone_parent_name); } } Map bone_children_map = new HashMap(); Iterator it = bone_parent_map.keySet().iterator(); String root = null; while (it.hasNext()) { String name = (String) it.next(); String parent = (String) bone_parent_map.get(name); if (bone_parent_map.get(parent) == null) { if (root != null) { System.out.println( "WARNING: Multiple roots in skeleton, root = " + root + ", additional root = " + name); parent = root; bone_parent_map.put(name, parent); } else root = name; } List parent_children = (List) bone_children_map.get(parent); if (parent_children == null) { parent_children = new ArrayList(); bone_children_map.put(parent, parent_children); } parent_children.add(name); } Bone bone_root = buildBone((byte) 0, bone_children_map, root, name_to_bone_map); return new Skeleton(bone_root, initial_pose, name_to_bone_map); }