/// <summary>
/// Unsets the given Souvenir as the active Souvenir if it currently is.
/// </summary>
public void MakeInactive(Souvenir souvenir)
{
if (currentSouvenir == souvenir)
{
currentSouvenir = null;
}
}
/// <summary>
/// Sets the given Souvenir as the currently active Souvenir
/// and puts the previously active Souvenir in a sleeping state.
/// </summary>
public void MakeActive(Souvenir souvenir)
{
if (currentSouvenir == souvenir)
{
return;
}
if (currentSouvenir != null)
{
currentSouvenir.Sleep();
}
currentSouvenir = souvenir;
}
/// <summary>
/// Checks if the given Souvenir can be put in a passive
/// state. If so, it becomes the active Souvenir and the
/// previously active Souvenir is put in a sleeping state.
/// </summary>
public bool TryMakePassive(Souvenir souvenir)
{
if (CanMakePassive(souvenir))
{
if (currentSouvenir != null && currentSouvenir != souvenir)
{
currentSouvenir.Sleep();
}
currentSouvenir = souvenir;
return(true);
}
return(false);
}
/// <summary>
/// Checks if the given Souvenir is the currently active Souvenir.
/// </summary>
public bool IsActiveSouvenir(Souvenir souvenir)
{
return(souvenir == currentSouvenir);
}
/// <summary>
/// Indicates whether the given Souvenir can be put in a passive state or not.
/// </summary>
private bool CanMakePassive(Souvenir souvenir)
{
return(currentSouvenir == null || !currentSouvenir.IsInActiveState);
}