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);
}
