public void RemoveEventListener(IEcsFilterEventListener eventListener)
{
for (var i = 0; i < _eventListenersCount; i++)
{
if (_eventListeners[i] == eventListener)
{
_eventListenersCount--;
// cant fill gap with last element due listeners order is important.
Array.Copy(_eventListeners, i + 1, _eventListeners, i, _eventListenersCount - i);
break;
}
}
}
public void AddEventListener(IEcsFilterEventListener eventListener)
{
#if DEBUG
for (var i = 0; i < _eventListenersCount; i++)
{
if (_eventListeners[i] == eventListener)
{
throw new Exception("Listener already subscribed.");
}
}
#endif
if (_eventListeners.Length == _eventListenersCount)
{
Array.Resize(ref _eventListeners, _eventListenersCount << 1);
}
_eventListeners[_eventListenersCount++] = eventListener;
}
