node-gamedig/reference/rfactor/lgsl.txt

 /*----------------------------------------------------------------------------------------------------------\
 |                                                                                                            |
 |                      [ LIVE GAME SERVER LIST ] [ <20> RICHARD PERRY FROM GREYCUBE.COM ]                       |
 |                                                                                                            |
 |    Released under the terms and conditions of the GNU General Public License Version 3 (http://gnu.org)    |
 |                                                                                                            |
 \-----------------------------------------------------------------------------------------------------------*/

  function lgsl_query_16(&$server, &$lgsl_need, &$lgsl_fp)
  {
//---------------------------------------------------------+
//  REFERENCE:
//  http://www.planetpointy.co.uk/software/rfactorsspy.shtml
//  http://users.pandora.be/viperius/mUtil/
//  USES FIXED DATA POSITIONS WITH RANDOM CHARACTERS FILLING THE GAPS

    fwrite($lgsl_fp, "rF_S");

    $buffer = fread($lgsl_fp, 4096);

    if (!$buffer) { return FALSE; }

//---------------------------------------------------------+

//  $server['e']['gamename']         = lgsl_get_string($buffer);
    $buffer = substr($buffer, 8);
//  $server['e']['fullupdate']       = lgsl_unpack($buffer[0], "C");
    $server['e']['region']           = lgsl_unpack($buffer[1] .$buffer[2],  "S");
//  $server['e']['ip']               = ($buffer[3] .$buffer[4].$buffer[5].$buffer[6]); // UNSIGNED LONG
//  $server['e']['size']             = lgsl_unpack($buffer[7] .$buffer[8],  "S");
    $server['e']['version']          = lgsl_unpack($buffer[9] .$buffer[10], "S");
//  $server['e']['version_racecast'] = lgsl_unpack($buffer[11].$buffer[12], "S");
    $server['e']['hostport']         = lgsl_unpack($buffer[13].$buffer[14], "S");
//  $server['e']['queryport']        = lgsl_unpack($buffer[15].$buffer[16], "S");
    $buffer = substr($buffer, 17);
    $server['s']['game']             = lgsl_get_string($buffer);
    $buffer = substr($buffer, 20);
    $server['s']['name']             = lgsl_get_string($buffer);
    $buffer = substr($buffer, 28);
    $server['s']['map']              = lgsl_get_string($buffer);
    $buffer = substr($buffer, 32);
    $server['e']['motd']             = lgsl_get_string($buffer);
    $buffer = substr($buffer, 96);
    $server['e']['packed_aids']      = lgsl_unpack($buffer[0].$buffer[1], "S");
//  $server['e']['ping']             = lgsl_unpack($buffer[2].$buffer[3], "S");
    $server['e']['packed_flags']     = lgsl_unpack($buffer[4],  "C");
    $server['e']['rate']             = lgsl_unpack($buffer[5],  "C");
    $server['s']['players']          = lgsl_unpack($buffer[6],  "C");
    $server['s']['playersmax']       = lgsl_unpack($buffer[7],  "C");
    $server['e']['bots']             = lgsl_unpack($buffer[8],  "C");
    $server['e']['packed_special']   = lgsl_unpack($buffer[9],  "C");
    $server['e']['damage']           = lgsl_unpack($buffer[10], "C");
    $server['e']['packed_rules']     = lgsl_unpack($buffer[11].$buffer[12], "S");
    $server['e']['credits1']         = lgsl_unpack($buffer[13], "C");
    $server['e']['credits2']         = lgsl_unpack($buffer[14].$buffer[15], "S");
    $server['e']['time']   = lgsl_time(lgsl_unpack($buffer[16].$buffer[17], "S"));
    $server['e']['laps']             = lgsl_unpack($buffer[18].$buffer[19], "s") / 16;
    $buffer = substr($buffer, 23);
    $server['e']['vehicles']         = lgsl_get_string($buffer);

    // DOES NOT RETURN PLAYER INFORMATION

//---------------------------------------------------------+

    $server['s']['password']    = ($server['e']['packed_special'] & 2)  ? 1 : 0;
    $server['e']['racecast']    = ($server['e']['packed_special'] & 4)  ? 1 : 0;
    $server['e']['fixedsetups'] = ($server['e']['packed_special'] & 16) ? 1 : 0;

                                              $server['e']['aids']  = "";
    if ($server['e']['packed_aids'] & 1)    { $server['e']['aids'] .= " TractionControl"; }
    if ($server['e']['packed_aids'] & 2)    { $server['e']['aids'] .= " AntiLockBraking"; }
    if ($server['e']['packed_aids'] & 4)    { $server['e']['aids'] .= " StabilityControl"; }
    if ($server['e']['packed_aids'] & 8)    { $server['e']['aids'] .= " AutoShifting"; }
    if ($server['e']['packed_aids'] & 16)   { $server['e']['aids'] .= " AutoClutch"; }
    if ($server['e']['packed_aids'] & 32)   { $server['e']['aids'] .= " Invulnerability"; }
    if ($server['e']['packed_aids'] & 64)   { $server['e']['aids'] .= " OppositeLock"; }
    if ($server['e']['packed_aids'] & 128)  { $server['e']['aids'] .= " SteeringHelp"; }
    if ($server['e']['packed_aids'] & 256)  { $server['e']['aids'] .= " BrakingHelp"; }
    if ($server['e']['packed_aids'] & 512)  { $server['e']['aids'] .= " SpinRecovery"; }
    if ($server['e']['packed_aids'] & 1024) { $server['e']['aids'] .= " AutoPitstop"; }

    $server['e']['aids']     = str_replace(" ", " / ", trim($server['e']['aids']));
    $server['e']['vehicles'] = str_replace("|", " / ", trim($server['e']['vehicles']));

    unset($server['e']['packed_aids']);
    unset($server['e']['packed_flags']);
    unset($server['e']['packed_special']);
    unset($server['e']['packed_rules']);

//---------------------------------------------------------+

    return TRUE;
  }