HierarchyData CollectHierarchyData(ref bool hasNext, ref bool hasChanged, HierarchyData hd, HierarchyProperty hp)
{
var depth = hp.depth;
var name = hp.name;
var instanceID = hp.instanceID;
List <HierarchyData> list = null;
list = (hd == null || hd.children == null) ? new List <HierarchyData>() : hd.children;
if (hp.hasChildren)
{
hasNext = hp.Next(null);
var i = 0;
while (hasNext && hp.depth > depth)
{
var go = EditorUtility.InstanceIDToObject(hp.instanceID);
if (go == gameObject)
{
// skip children of EVR to prevent the display of EVR contents
while (hp.Next(null) && hp.depth > depth + 1)
{
}
name = hp.name;
instanceID = hp.instanceID;
}
if (i >= list.Count)
{
list.Add(CollectHierarchyData(ref hasNext, ref hasChanged, null, hp));
hasChanged = true;
}
else if (list[i].instanceID != hp.instanceID)
{
list[i] = CollectHierarchyData(ref hasNext, ref hasChanged, null, hp);
hasChanged = true;
}
else
{
list[i] = CollectHierarchyData(ref hasNext, ref hasChanged, list[i], hp);
}
if (hasNext)
{
hasNext = hp.Next(null);
}
i++;
}
if (i != list.Count)
{
list.RemoveRange(i, list.Count - i);
hasChanged = true;
}
if (hasNext)
{
hp.Previous(null);
}
}
else
{
list.Clear();
}
List <HierarchyData> children = null;
if (list.Count > 0)
{
children = list;
}
if (hd != null)
{
hd.children = children;
hd.name = name;
hd.instanceID = instanceID;
}
return(hd ?? new HierarchyData(name, instanceID, children));
}