@Override
 public void handle(PacketWrapper packet) throws Exception {
   EntityMap.rewriteServerbound(packet.buf, con.getClientEntityId(), con.getServerEntityId());
   if (con.getServer() != null) {
     con.getServer().getCh().write(packet);
   }
 }
 @Override
 public void handle(byte[] buf) throws Exception {
   EntityMap.rewrite(buf, con.getClientEntityId(), con.getServerEntityId());
   if (con.getServer() != null) {
     con.getServer().getCh().write(buf);
   }
 }