Changes

public void onNeighborNotify(final BlockEvent.NeighborNotifyEvent event)

public void onNeighborNotify(final BlockEvent.NeighborNotifyEvent event)

     {

     {

         if (world.isClientSide()) return;

         if (!world.isClientSide()) return;

         BlockPos eventPos = event.getPos();

         BlockPos eventPos = event.getPos();

         for (Direction direction : event.getNotifiedSides()) // cycle through notified directions

         for (Direction direction : event.getNotifiedSides()) // cycle through notified directions