public override bool HijackGetData(ref byte messageType, ref BinaryReader reader, int playerNumber) { if (Main.netMode == 2) { if (messageType == 1) { if (Main.netMode != 2) { return(false); } if (Netplay.Clients[playerNumber].State != 0) { return(false); } RemoteAddress address = Netplay.Clients[playerNumber].Socket.GetRemoteAddress(); if (isLan && !address.IsLocalHost()) { NetMessage.SendData(2, playerNumber, -1, NetworkText.FromLiteral("The server you are trying to join is a LAN world.")); return(true); } } } return(base.HijackGetData(ref messageType, ref reader, playerNumber)); }