private void Update()
{
if (toOpen.Count > 0)
{
windowIDs.AddRange(toOpen);
lastID = toOpen[toOpen.Count - 1];
toOpen.Clear();
}
if (toClose.Count > 0)
{
windowIDs.RemoveAll(id => toClose.Contains(id));
toClose.Clear();
if (!windowIDs.Contains(lastID) && windowIDs.Count > 0)
{
lastID = windowIDs[windowIDs.Count - 1];
}
}
if (windowIDs.Count == 0)
{
return;
}
foreach (string id in windowIDs)
{
SystemWindow window = WindowManager.WINDOWS[id];
window.OnUpdate(id.Equals(lastID));
}
}