public static void UpdateAll <T, T2>(this IDTable <int, T> idtable, IEnumerable <T2> source, Func <T2, int> getid)
where T : GameObject <T2>
{
var deletelist = idtable.ToList();
var addlist = new List <T>();
foreach (T2 e in source)
{
T item = idtable[getid(e)];
if (item != null)
{
item.Update(e);
deletelist.Remove(item);
}
else
{
addlist.Add((T)Activator.CreateInstance(typeof(T), e));
}
}
if (deletelist.Count > 0)
{
idtable.RemoveMany(deletelist);
}
if (addlist.Count > 0)
{
idtable.AddMany(addlist);
}
}