private void DeoptimizeTransformHierarchy()
{
if (avatar == null)
{
throw new Exception("Transform hierarchy has been optimized, but can't find Avatar to deoptimize.");
}
// 1. Figure out the skeletonPaths from the unstripped avatar
var skeletonPaths = new List <string>();
foreach (var id in avatar.m_Avatar.m_AvatarSkeleton.m_ID)
{
var path = avatar.FindBonePath(id);
skeletonPaths.Add(path);
}
// 2. Restore the original transform hierarchy
// Prerequisite: skeletonPaths follow pre-order traversal
for (var i = 1; i < skeletonPaths.Count; i++) // start from 1, skip the root transform because it will always be there.
{
var path = skeletonPaths[i];
var strs = path.Split('/');
string transformName;
ImportedFrame parentFrame;
if (strs.Length == 1)
{
transformName = path;
parentFrame = RootFrame;
}
else
{
transformName = strs.Last();
var parentFramePath = path.Substring(0, path.LastIndexOf('/'));
parentFrame = RootFrame.FindRelativeFrameWithPath(parentFramePath);
}
var skeletonPose = avatar.m_Avatar.m_DefaultPose;
var xform = skeletonPose.m_X[i];
var frame = RootFrame.FindChild(transformName);
if (frame != null)
{
SetFrame(frame, xform.t, xform.q, xform.s);
}
else
{
frame = CreateFrame(transformName, xform.t, xform.q, xform.s);
}
parentFrame.AddChild(frame);
}
}
