public UIBaseScreen ShowScreen(UIBaseScreen screen, bool force = false)
{
if (screen == null)
{
throw new KeyNotFoundException("UIScreenManager: Show(UIBaseScreen) failed, screen is Null.");
}
if (!force && (mScreenQueueDirty || screenQueue.LastOrDefault() == screen))
{
return(screen);
}
screenQueue.Add(screen);
InsertionSort(screenQueue);
if (CurrentScreen == null || (int)CurrentScreen.Priority <= (int)screen.Priority)
{
if (CurrentScreen != null)
{
CurrentScreen.OnDeactivated(false);
}
mScreenQueueDirty = true;
}
return(screen);
}
IEnumerator CoroutineUpdate()
{
var waitTime = new WaitForSecondsRealtime(0.1f);
while (true)
{
if (mScreenQueueDirty)
{
if (mScreenToKill != null && mScreenToKill == CurrentScreen)
{
if (onScreenHide != null)
{
onScreenHide.Invoke(CurrentScreen);
}
int screenToKillIndex = screenQueue.FindLastIndex(x => x == mScreenToKill);
if (screenToKillIndex != -1)
{
screenQueue.RemoveAt(screenToKillIndex);
}
EventSystem.current.SetSelectedGameObject(null);
mScreenToKill.SelectedObject = null;
mScreenToKill.OnDeactivated(true, true);
if (mScreenToKill.keepOnTopWhenHiding)
{
mScreenToKeepOnTop = mScreenToKill;
}
mScreenToKill = null;
CurrentScreen = null;
}
if (screenQueue.Count == 0 && mScreenToShowInTheEnd != null)
{
screenQueue.Add(mScreenToShowInTheEnd);
mScreenToShowInTheEnd = null;
}
UIBaseScreen maxPriorityScreen = screenQueue.LastOrDefault();
if (CurrentScreen != maxPriorityScreen)
{
UIBaseScreen previousScreen = CurrentScreen;
if (previousScreen != null)
{
previousScreen.SelectedObject = EventSystem.current.currentSelectedGameObject;
EventSystem.current.SetSelectedGameObject(null);
}
if (maxPriorityScreen.Transition)
{
CurrentScreen = null;
mScreenQueueDirty = true;
yield return(waitTime);
continue;
}
else
{
CurrentScreen = maxPriorityScreen;
if (CurrentScreen == null && DefaultScreen != null)
{
CurrentScreen = DefaultScreen;
}
if (CurrentScreen != null)
{
if (onScreenShow != null)
{
onScreenShow.Invoke(CurrentScreen);
}
CurrentScreen.OnActivated();
}
if (previousScreen != null)
{
previousScreen.OnDeactivated(CurrentScreen.hideCurrent);
}
if (mScreenToKeepOnTop != null && mScreenToKeepOnTop.isActiveAndEnabled)
{
mScreenToKeepOnTop.transform.SetAsLastSibling();
mScreenToKeepOnTop = null;
}
}
}
mScreenQueueDirty = false;
}
if (!IsTouchMode && alwaysOnSelection)
{
if (CurrentScreen != null && !CurrentScreen.Transition)
{
GameObject selectedGameObject = EventSystem.current.currentSelectedGameObject;
bool isCurrentActive = (selectedGameObject != null && selectedGameObject.activeInHierarchy);
if (!isCurrentActive)
{
if (lastSelection != null && lastSelection.activeInHierarchy && lastSelection.transform.IsChildOf(CurrentScreen.transform))
{
EventSystem.current.SetSelectedGameObject(lastSelection);
}
else if (CurrentScreen.DefaultSelection != null && CurrentScreen.DefaultSelection.gameObject.activeInHierarchy)
{
EventSystem.current.SetSelectedGameObject(CurrentScreen.DefaultSelection.gameObject);
lastSelection = CurrentScreen.DefaultSelection.gameObject;
}
}
else
{
lastSelection = selectedGameObject;
}
}
}
yield return(waitTime);
}
}