/************************************************************************************************************************/
/// <summary>
/// Determines if the `callback` contains any method calls that will be serialized (otherwise the
/// <see cref="DummyCallback"/> can be used instead of creating a new delegate to invoke the empty
/// `callback`).
/// </summary>
public static bool HasPersistentCalls(SerializableCallback callback)
{
if (callback == null)
{
return(false);
}
// UnityEvents do not allow us to check if any dynamic calls are present.
// But we are not giving runtime access to the events so it does not really matter.
// UltEvents does allow it (via the HasCalls property), but we might as well be consistent.
#if ANIMANCER_ULT_EVENTS
var calls = callback.PersistentCallsList;
return(calls != null && calls.Count > 0);
#else
return(callback.GetPersistentEventCount() > 0);
#endif
}
/// <summary>
/// If the `callback` has any persistent calls, this method returns a delegate to call its
/// <see cref="SerializableCallback.Invoke"/> method. Otherwise it returns the
/// <see cref="DummyCallback"/>.
/// </summary>
public static Action GetInvoker(SerializableCallback callback)
{
return(HasPersistentCalls(callback) ? callback.Invoke : DummyCallback);
}
