private static float[] GetBindMatrix(FBXTreeNode node, List <PoseNode> poseNodes)
{
var result = new float[]
{
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
};
var pose = poseNodes.Where(a => a.Id == node.Node.Id && a.IsBindPose).FirstOrDefault();
// The bind pose is always a global matrix
if (pose != null)
{
result = pose.Matrix;
}
/*var childNodes = node.Children.Where(a => a.Node.Name == "Model");
*
* foreach (var child in childNodes)
* result = GetBindMatrix(child, poseNodes).MatrixProduct(result);*/
return(result);
}
public static Deformer FromTreeNode(FBXTreeNode node, List <PoseNode> poseNodes)
{
var deformer = new Deformer(node.Node);
var model = node.Children.Where(a => a.Node.Name == "Model").FirstOrDefault();
deformer.BindPoseMatrix = GetBindMatrix(model, poseNodes);
deformer.BoneId = model.Node.Id.ToString();
return(deformer);
}
public List <Deformer> GetClusters(FBXTreeNode geometryNode)
{
var deformer = geometryNode.Children.Where(a => a.Node.Name == "Deformer").FirstOrDefault();
var clusters = new List <FBX.Deformer>();
if (deformer != null)
{
var subdeformersTree = deformer.Children.Where(a => a.Node.Name == "Deformer");
foreach (var tempNode in subdeformersTree)
{
clusters.Add(FBX.Deformer.FromTreeNode(tempNode, PoseNodes));
}
}
return(clusters);
}
public FBXTreeNode(FBXFileNode node, FBXFile file, FBXTreeNode parent = null)
{
Node = node;
var nodeId = (Node != null) ? Node.Id : 0;
var nodeConns = file.Connections.Where(a => a.Dst == nodeId);
foreach (var con in nodeConns)
{
var childNode = file.FindChild(con.Src);
if (childNode != null)
{
Children.Add((new FBXTreeNode(childNode, file, this)));
}
}
}
