/// <summary>
/// Pops a hidden menu out of the stack, and
/// changes the last menu already in the stack to visible
/// </summary>
internal IMenu PopFromManagedStack()
{
// Make sure this menu is already on top of the stack
IMenu returnMenu = null;
if (NumManagedMenus > 0)
{
// If so, pop the menu
returnMenu = managedMenusStack.Pop();
// Check if there are any other menus left
if (NumManagedMenus > 0)
{
// Change the top-most menu into visible
managedMenusStack.Peek().CurrentVisibility = IMenu.VisibilityState.Visible;
}
else
{
// Lock the cursor to what the scene is set to
SceneChanger.RevertCursorLockMode();
}
// Unselect the highlighted item
Events.SetSelectedGameObject(null);
// Run the event that indicates the stack changed
OnManagedMenusStackChanged?.Invoke(this);
}
return(returnMenu);
}
/// <summary>
/// Pushes a visible menu into the stack, and
/// changes the other menus already in the stack to stand-by
/// </summary>
internal void PushToManagedStack(IMenu menu)
{
if (menu != null)
{
// Make sure the menu isn't already in the stack
// (the stack is usually small, so this should be pretty efficient)
if (managedMenusStack.Contains(menu) == false)
{
// Change the top-most menu (if any) to stand-by
if (NumManagedMenus > 0)
{
managedMenusStack.Peek().CurrentVisibility = IMenu.VisibilityState.StandBy;
}
else
{
// Unlock the cursor
SceneTransitionManager.CursorMode = CursorLockMode.None;
}
// Push the current menu onto the stack
managedMenusStack.Push(menu);
// Unselect the highlighted item
Events.SetSelectedGameObject(null);
// Run the event that indicates the stack changed
OnManagedMenusStackChanged?.Invoke(this);
}
}
}
