/// <summary>
/// Initialises the history stack and sets the current menu to the given menu.
/// </summary>
/// <param name="menu">The menu behaviour to be used as the initial menu.</param>
public static void Init(MenuBehaviour menu)
{
_history = new Stack <MenuBehaviour>();
Current = menu;
Current.OnEnter();
}
/// <summary>
/// Switches from the current menu to the given menu.
/// </summary>
/// <param name="menu">The menu behaviour to switch into.</param>
public static void GoInto(MenuBehaviour menu)
{
Current.OnLeave();
Current.gameObject.SetActive(false);
_history.Push(Current);
Current = menu;
Current.gameObject.SetActive(true);
Current.OnEnter();
}
/// <summary>
/// Switches from the current menu to the previous menu.
/// </summary>
public static void GoBack()
{
if (_history.Count == 0)
{
return;
}
Current.OnLeave();
Current.gameObject.SetActive(false);
Current = _history.Pop();
Current.gameObject.SetActive(true);
Current.OnReturn();
}
/// <summary>
/// Switches from the current menu to the menu with the given name.
/// Note that this assumes the menu is inside of a "Canvas" object.
/// </summary>
/// <param name="name">The name of the menu to switch into.</param>
public static void GoInto(string name)
{
MenuBehaviour menuBehaviour = GameObject.Find("Canvas").transform.Find(name).GetComponent <MenuBehaviour>();
GoInto(menuBehaviour);
}