public Bone(string name, TRSTransform bindState)
{
Name = name;
_bindState = bindState.HardCopy();
}
private static Bone EnumNode(
Bone parent,
Node node,
Node[] nodes,
List <ObjectInfo> objects,
Matrix4 bindMatrix,
Matrix4 invParent,
List <Light> lights,
List <Camera> cameras,
EIgnoreFlags ignore)
{
Bone rootBone = null;
Matrix4 nodeMatrix = node.GetTransformMatrix();
bindMatrix = bindMatrix * nodeMatrix;
Matrix4 inv = invParent;
if (node.Type == Node.EType.JOINT)
{
TRSTransform transform = new TRSTransform
{
Matrix = invParent * bindMatrix
};
Bone bone = new Bone(node.Name ?? node.ID, transform);
node.UserData = bone;
if (parent == null)
{
rootBone = bone;
}
else
{
bone.Parent = parent;
}
parent = bone;
inv = bindMatrix.Inverted();
}
foreach (Node e in node.NodeElements)
{
Bone b = EnumNode(parent, e, nodes, objects, bindMatrix, inv, lights, cameras, ignore);
if (rootBone == null && b != null)
{
rootBone = b;
}
}
foreach (IInstanceElement inst in node.InstanceElements)
{
//Rigged/morphed mesh?
if (inst is InstanceController controllerRef)
{
if (ignore.HasFlag(EIgnoreFlags.Controllers))
{
continue;
}
var controller = controllerRef.GetUrlInstance();
var child = controller?.SkinOrMorphElement;
if (child != null)
{
//Rigged mesh
if (child is LibraryControllers.Controller.Skin skin)
{
IID element = skin.Source.GetElement(skin.Root);
if (element is LibraryGeometries.Geometry geometry)
{
objects.Add(new ObjectInfo(geometry, skin, bindMatrix, controllerRef, parent, node));
}
else if (element is LibraryControllers.Controller.Morph morph)
{
objects.Add(new ObjectInfo(morph, skin, bindMatrix, controllerRef, parent, node));
}
else
{
WriteLine(skin.Source.URI + " does not point to a valid geometry or morph controller entry.");
}
}
//Static morphed mesh
else if (child is LibraryControllers.Controller.Morph morph)
{
objects.Add(new ObjectInfo(morph, null, bindMatrix, controllerRef, parent, node));
}
else
{
WriteLine("Instanced controller does not have a valid child entry.");
}
}
else
{
WriteLine("Instanced controller does not have a valid child entry.");
}
}
//Static mesh?
else if (inst is InstanceGeometry geomRef)
{
if (ignore.HasFlag(EIgnoreFlags.Geometry))
{
continue;
}
var geometry = geomRef.GetUrlInstance();
if (geometry != null)
{
objects.Add(new ObjectInfo(geometry, null, bindMatrix, geomRef, parent, node));
}
else
{
WriteLine(geomRef.Url.URI + " does not point to a valid geometry entry.");
}
}
//Camera?
else if (inst is InstanceCamera camRef)
{
if (ignore.HasFlag(EIgnoreFlags.Cameras))
{
continue;
}
var camera = camRef.GetUrlInstance();
//TODO: read camera information
}
//Light?
else if (inst is InstanceLight lightRef)
{
if (ignore.HasFlag(EIgnoreFlags.Lights))
{
continue;
}
var light = lightRef.GetUrlInstance();
//TODO: read light information
}
//Another node tree?
else if (inst is InstanceNode nodeRef)
{
var actualNode = nodeRef.GetUrlInstance();
var proxyNode = nodeRef.GetProxyInstance();
//TODO: read actual node, proxy node is just a placeholder
}
}
return(rootBone);
}
