fCraft.Player.DenyMovement C# (CSharp) Method

        private void DenyMovement()
        {
            SendNow( PacketWriter.MakeSelfTeleport( lastValidPosition ) );
            if ( DateTime.UtcNow.Subtract( antiSpeedLastNotification ).Seconds > 1 ) {
                Message( "&WYou are not allowed to speedhack." );
                antiSpeedLastNotification = DateTime.UtcNow;
            }
        }