public GeoNode(GeoParent Parent) : base(EnsureParentGetRoot(Parent))
{
this.BuiltTransform = Transform.Identity;
this.Local = TransformI.Identity;
this.LocalCached = TransformI.Identity;
this.Outer = (Root == Parent) ? this : (GeoNode)Parent;
this.Depth = this.Outer == this ? 0u : (this.Outer.Depth + 1u);
if (0 == this.Root.Num++)
{
this.Next = this;
}
else
{
this.Next = this.Root.Last.Next;
this.Root.Last.Next = this;
}
this.Root.Last = this;
if (0 == (this.ChildIndex = Parent.NumImmediate++))
{
this.Sibling = this;
}
else
{
this.Sibling = Parent.LastChild.Sibling;
Parent.LastChild.Sibling = this;
}
Parent.LastChild = this;
this.ID = this.Root.IDCounter++;
this.ExplicitlyDirty = 0 != Depth;
}
private static GeoRoot EnsureParentGetRoot(GeoParent Parent)
{
if (null == Parent)
{
throw new ArgumentNullException("Parent");
}
if (Parent != Parent.Root && !(Parent is GeoNode))
{
throw new ArgumentException("Parent must be either a GeoRoot or GeoNode!", "Parent");
}
if (null == Parent.Root)
{
throw new ArgumentException("Parent does not reference a valid root", "Parent");
}
return(Parent.Root);
}
public Enumerator(GeoParent Parent)
{
Remaining = null == Parent ? 0u : Parent.NumImmediate;
Active = (Remaining == 0) ? null : Parent.LastChild;
}
private ImmediateCollection(GeoParent This)
{
this.This = This;
}
public bool Equals(GeoParent other)
{
return(This == other);
}
private DeepCollection(GeoParent This)
{
this.This = This;
}