SharpQuake.Cbuf.Execute C# (CSharp) Method

        public static void Execute()
        {
            while (_Buf.Length > 0)
            {
                string text = _Buf.ToString();

                // find a \n or ; line break
                int quotes = 0, i;
                for (i = 0; i < text.Length; i++)
                {
                    if (text[i] == '"')
                        quotes++;

                    if (((quotes & 1) == 0) && (text[i] == ';'))
                        break;	// don't break if inside a quoted string

                    if (text[i] == '\n')
                        break;
                }

                string line = text.Substring(0, i).TrimEnd('\n', ';');

                // delete the text from the command buffer and move remaining commands down
                // this is necessary because commands (exec, alias) can insert data at the
                // beginning of the text buffer

                if (i == _Buf.Length)
                {
                    _Buf.Length = 0;
                }
                else
                {
                    _Buf.Remove(0, i + 1);
                }

                // execute the command line
                if (!String.IsNullOrEmpty(line))
                {
                    Cmd.ExecuteString(line, cmd_source_t.src_command);

                    if (_Wait)
                    {
                        // skip out while text still remains in buffer, leaving it
                        // for next frame
                        _Wait = false;
                        break;
                    }
                }
            }
        }

        // _Host_Frame
        //
        //Runs all active servers
        static void InternalFrame(double time)
        {
            // keep the random time dependent
            Sys.Random();

            // decide the simulation time
            if (!FilterTime(time))
            {
                return;                 // don't run too fast, or packets will flood out
            }
            // get new key events
            Sys.SendKeyEvents();

            // allow mice or other external controllers to add commands
            Input.Commands();

            // process console commands
            Cbuf.Execute();

            Net.Poll();

            // if running the server locally, make intentions now
            if (Server.sv.active)
            {
                Client.SendCmd();
            }

            //-------------------
            //
            // server operations
            //
            //-------------------

            // check for commands typed to the host
            GetConsoleCommands();

            if (Server.sv.active)
            {
                ServerFrame();
            }

            //-------------------
            //
            // client operations
            //
            //-------------------

            // if running the server remotely, send intentions now after
            // the incoming messages have been read
            if (!Server.sv.active)
            {
                Client.SendCmd();
            }

            _Time += FrameTime;

            // fetch results from server
            if (Client.cls.state == cactive_t.ca_connected)
            {
                Client.ReadFromServer();
            }

            // update video
            if (_Speeds.Value != 0)
            {
                _Time1 = Sys.GetFloatTime();
            }

            Scr.UpdateScreen();

            if (_Speeds.Value != 0)
            {
                _Time2 = Sys.GetFloatTime();
            }

            // update audio
            if (Client.cls.signon == Client.SIGNONS)
            {
                Sound.Update(ref Render.Origin, ref Render.ViewPn, ref Render.ViewRight, ref Render.ViewUp);
                Client.DecayLights();
            }
            else
            {
                Sound.Update(ref Common.ZeroVector, ref Common.ZeroVector, ref Common.ZeroVector, ref Common.ZeroVector);
            }

            CDAudio.Update();

            if (_Speeds.Value != 0)
            {
                int pass1 = (int)((_Time1 - _Time3) * 1000);
                _Time3 = Sys.GetFloatTime();
                int pass2 = (int)((_Time2 - _Time1) * 1000);
                int pass3 = (int)((_Time3 - _Time2) * 1000);
                Con.Print("{0,3} tot {1,3} server {2,3} gfx {3,3} snd\n", pass1 + pass2 + pass3, pass1, pass2, pass3);
            }

            _FrameCount++;
        }