// remove the SkeletonNodes that do not have bone associate and that have ChildBonesCount equal to 0.
private void RemoveNodesWithoutBones(SkeletonNode skeletonNode)
{
if (skeletonNode.AssimpBone == null && skeletonNode.ChildBonesCount == 0)
{
// Delete this bone
var parent = skeletonNode.Parent;
if (parent != null)
{
parent.Children.Remove(skeletonNode);
}
}
else
{
for (var i = skeletonNode.Children.Count - 1; i >= 0; i--)
{
RemoveNodesWithoutBones(skeletonNode.Children[i]);
}
}
}
private SkeletonNode GenerateSkeleton(Node node, SkeletonNode parentSkeletonNode, ref int boneNodesLeftToGenerate)
{
if (node == null)
{
return(null);
}
SkeletonNode newlyCreatedSkeletonNode;
// Bones and Nodes are "connected" with having the same name
var boneIndex = Array.IndexOf(_allBoneNames, node.Name);
if (boneIndex >= 0)
{
var assimpBone = AssimpMesh.Bones[boneIndex];
boneNodesLeftToGenerate--; // Reduce the number of SkeletonNode that we still need to create
newlyCreatedSkeletonNode = new SkeletonNode(node, assimpBone, parentSkeletonNode, boneIndex: SkeletonNodes.Count);
}
else
{
newlyCreatedSkeletonNode = new SkeletonNode(node, null, parentSkeletonNode, -1);
}
SkeletonNodes.Add(newlyCreatedSkeletonNode);
if (node.HasChildren && boneNodesLeftToGenerate > 0)
{
for (var i = 0; i < node.ChildCount; i++)
{
var childBone = GenerateSkeleton(node.Children[i], newlyCreatedSkeletonNode, ref boneNodesLeftToGenerate);
if (childBone != null)
{
newlyCreatedSkeletonNode.Children.Add(childBone);
}
}
}
return(newlyCreatedSkeletonNode);
}