static public Nook GetChangeNook(this NookSystem item, string path, Nook src_nook)
{
Nook dst_nook = item.GetNook(path);
if (src_nook != null && src_nook.IsPresent())
{
src_nook.MoveTo(dst_nook);
}
return(dst_nook);
}
public override bool IsPresent()
{
return(nook.IsPresent());
}
