private bool HasListenerFor(Interpolator interpolator)
{
int persistentEventCount = innerEvent.GetPersistentEventCount();
for (int i = 0; i < persistentEventCount; i++)
{
if (innerEvent.GetPersistentTarget(i) == interpolator)
{
return(true);
}
}
return(false);
}
public void OnValidate()
{
if (interpolatorToAdd != null)
{
if (!HasListenerFor(interpolatorToAdd))
{
UnityEditor.Events.UnityEventTools.AddPersistentListener(innerEvent, interpolatorToAdd.Interpolate);
}
interpolatorToAdd = null;
}
if (interpolatorsToAdd != null)
{
foreach (var interpolator in interpolatorsToAdd.GetComponents <Interpolator>())
{
if (HasListenerFor(interpolator))
{
continue;
}
UnityEditor.Events.UnityEventTools.AddPersistentListener(innerEvent, interpolator.Interpolate);
}
interpolatorsToAdd = null;
}
int persistentListenerIndex = persistentEventCount;
while (persistentListenerIndex < innerEvent.GetPersistentEventCount())
{
innerEvent.SetPersistentListenerState(persistentListenerIndex, UnityEventCallState.EditorAndRuntime);
persistentListenerIndex++;
}
persistentEventCount = innerEvent.GetPersistentEventCount();
}