public virtual IEnumerable <NodeAsset> Apply(NodeAsset parentNode, INodeAsset node)
{
NodeAsset transformedNode = null;
if (node.Mesh != null)
{
var transformedMaterials = node.Mesh.Materials.Select(Map).ToList();
foreach (var transformedMesh in Map(node.Mesh.Mesh))
{
if (transformedNode != null)
{
yield return(transformedNode);
}
transformedNode = CreateNodeCopy(parentNode, node);
transformedNode.Mesh = new MeshInstance(transformedMesh, transformedMaterials);
}
}
transformedNode = transformedNode ?? CreateNodeCopy(parentNode, node);
if (node.Camera != null)
{
transformedNode.Camera = Map(node.Camera);
}
if (node.Light != null)
{
transformedNode.Light = Map(node.Light);
}
yield return(transformedNode);
}
private static NodeAsset CreateNodeCopy(NodeAsset parentNode, INodeAsset node)
{
NodeAsset transformedNode;
transformedNode = new NodeAsset(node.Id);
transformedNode.Transform.CopyFrom(node.Transform);
transformedNode.Parent = parentNode;
return(transformedNode);
}
private void ApplyOnSubtree(NodeAsset transformedParent, INodeAsset node)
{
NodeAsset parent = null;
foreach (var transformedNode in Apply(transformedParent, node))
{
parent = transformedNode;
}
if (parent != null)
{
foreach (var childNode in node.ChildNodes)
{
ApplyOnSubtree(parent, childNode);
}
}
}
private void TransformNode(WriterContext context, INodeAsset nodeAsset, Node node)
{
node.LocalMatrix = nodeAsset.Transform.Matrix;
if (nodeAsset.Mesh != null)
{
Mesh mesh;
if (!context.Meshes.TryGetValue(nodeAsset.Mesh.Mesh, out mesh))
{
mesh = TransformMesh(context, nodeAsset.Mesh.Mesh, nodeAsset.Mesh.Materials);
}
node.Mesh = mesh;
}
foreach (var childNode in nodeAsset.ChildNodes)
{
TransformNode(context, childNode, node.CreateNode(childNode.Id));
}
}
private void CreateNode(INodeAsset parentNode, INodeAsset node)
{
}
