MCLawl.PlayerBot.UpdatePosition C# (CSharp) Method

        void UpdatePosition()
        {
            //pingDelayTimer.Stop();

            // Shameless copy from JTE's Server
            byte changed = 0;
            if (oldpos[0] != pos[0] || oldpos[1] != pos[1] || oldpos[2] != pos[2]) { changed |= 1; }
            if (oldrot[0] != rot[0] || oldrot[1] != rot[1]) { changed |= 2; }
            if (Math.Abs(pos[0] - basepos[0]) > 32 || Math.Abs(pos[1] - basepos[1]) > 32 ||
                Math.Abs(pos[2] - basepos[2]) > 32) { changed |= 4; }
            if ((oldpos[0] == pos[0] && oldpos[1] == pos[1] && oldpos[2] == pos[2]) &&
                (basepos[0] != pos[0] || basepos[1] != pos[1] || basepos[2] != pos[2])) { changed |= 4; }
            byte[] buffer = new byte[0]; byte msg = 0;
            if ((changed & 4) != 0)
            {
                msg = 8; buffer = new byte[9]; buffer[0] = id;
                HTNO(pos[0]).CopyTo(buffer, 1);
                HTNO(pos[1]).CopyTo(buffer, 3);
                HTNO(pos[2]).CopyTo(buffer, 5);
                buffer[7] = rot[0]; buffer[8] = rot[1];
            }
            else if (changed == 1)
            {
                msg = 10; buffer = new byte[4]; buffer[0] = id;
                buffer[1] = (byte)(pos[0] - oldpos[0]);
                buffer[2] = (byte)(pos[1] - oldpos[1]);
                buffer[3] = (byte)(pos[2] - oldpos[2]);
            }
            else if (changed == 2)
            {
                msg = 11; buffer = new byte[3]; buffer[0] = id;
                buffer[1] = rot[0]; buffer[2] = rot[1];
            }
            else if (changed == 3)
            {
                msg = 9; buffer = new byte[6]; buffer[0] = id;
                buffer[1] = (byte)(pos[0] - oldpos[0]);
                buffer[2] = (byte)(pos[1] - oldpos[1]);
                buffer[3] = (byte)(pos[2] - oldpos[2]);
                buffer[4] = rot[0]; buffer[5] = rot[1];
            }
            try
            {
                if (changed != 0) foreach (Player p in Player.players)
                    {
                        if (p.level == level)
                        {
                            p.SendRaw(msg, buffer);
                        }
                    }
            } catch { }
            oldpos = pos;
            oldrot = rot;
        }