/// <summary>
/// Clones a Scene node with its children and all attached Properties.
/// Meshes will only be cloned when <see cref="cloneMeshs"/> is true.
/// </summary>
/// <param name="nodeToClone">Node to clone</param>
/// <param name="cloneMeshs">Force cloning mesh data.</param>
/// <returns>SceneNode cloned.</returns>
public SceneNode CloneNode(SceneNode nodeToClone, bool cloneMeshs = false)
{
var cloned = nodeToClone.Clone(cloneMeshs);
_allNodes.Add(cloned);
CloneChildren(cloned, nodeToClone, cloneMeshs);
return cloned;
}
private void CloneChildren(SceneNode parentCloned, SceneNode parentOriginal, bool cloneMeshs)
{
foreach (var childNode in parentOriginal.Children)
{
var clonedChild = childNode.Clone(cloneMeshs);
_allNodes.Add(clonedChild);
parentCloned.AddChild(clonedChild);
CloneChildren(clonedChild, childNode, cloneMeshs);
}
}
public void RemoveChild(SceneNode childElement)
{
if (_childNodes.Remove(childElement))
{
childElement.Parent = null;
}
}
public void AddChild(SceneNode childElement)
{
childElement.Parent?.RemoveChild(childElement);
_childNodes.Add(childElement);
childElement.Parent = this;
}
public void SetParent(SceneNode parent)
{
Parent?.RemoveChild(this);
parent?.AddChild(this);
}
internal SceneNode Clone(bool cloneMesh)
{
var sceneNode = new SceneNode
{
Mesh = cloneMesh ? Mesh?.Clone() : Mesh,
Material = Material.Clone(),
Position = Position,
IsBillboard = IsBillboard,
Scale = Scale,
Forward = Forward,
Right = Right,
Rotation = Rotation,
Up = Up
};
sceneNode.SetParent(Parent);
return sceneNode;
}
public SceneNode CreateSceneNode()
{
var sceneNode = new SceneNode();
_allNodes.Add(sceneNode);
return sceneNode;
}