private static void AddMorphTarget(DRSceneNodeContent sceneNode, MeshContent morphTarget)
{
var meshNode = sceneNode as DRMeshNodeContent;
if (meshNode == null)
{
string message = String.Format(
CultureInfo.InvariantCulture,
"Morph target \"{0}\" needs to be a child of the base mesh.",
morphTarget.Name);
throw new InvalidContentException(message, morphTarget.Identity);
}
if (meshNode.InputMorphTargets == null)
{
meshNode.InputMorphTargets = new List <MeshContent>();
}
meshNode.InputMorphTargets.Add(morphTarget);
}
public int Compare(DRSceneNodeContent x, DRSceneNodeContent y)
{
if (x.LodDistance < y.LodDistance)
{
return(-1);
}
if (x.LodDistance > y.LodDistance)
{
return(+1);
}
if (x.LodLevel < y.LodLevel)
{
return(-1);
}
if (x.LodLevel > y.LodLevel)
{
return(+1);
}
return(0);
}
private static DRSceneNodeContent BuildSceneGraph(NodeContent node, DRSceneNodeContent parent)
{
CheckForCyclicReferences(node);
DRSceneNodeContent sceneNode;
if (node is BoneContent)
{
// ----- BoneContent
// Bones do not show up in the scene graph.
sceneNode = null;
}
else if (node is MeshContent)
{
// ----- MeshContent
var mesh = (MeshContent)node;
string morphTargetName;
if (ContentHelper.IsMorphTarget(mesh, out morphTargetName))
{
// ----- Morph Targets
// Morph targets are stored in the parent mesh, they do not show up in
// the scene graph. Children of morph targets are ignored!
mesh.Name = morphTargetName;
AddMorphTarget(parent, mesh);
sceneNode = null;
}
else if (ContentHelper.IsOccluder(mesh))
{
// ----- OccluderNode
sceneNode = new DROccluderNodeContent {
InputMesh = mesh
};
}
else
{
// ----- MeshNode
sceneNode = new DRMeshNodeContent {
InputMesh = mesh
};
}
}
else
{
// ----- Empty/unsupported node
sceneNode = new DRSceneNodeContent();
}
if (sceneNode != null)
{
sceneNode.Name = node.Name;
Pose pose;
Vector3 scale;
DecomposeTransform(node, out pose, out scale);
sceneNode.PoseLocal = pose;
sceneNode.ScaleLocal = scale;
if (node.Children.Count > 0)
{
// Process children.
sceneNode.Children = new List <DRSceneNodeContent>();
// Recursively add children.
foreach (var childNode in node.Children)
{
var childSceneNode = BuildSceneGraph(childNode, sceneNode);
if (childSceneNode != null)
{
childSceneNode.Parent = sceneNode;
sceneNode.Children.Add(childSceneNode);
}
}
}
}
return(sceneNode);
}
