Source for file Unreal2XMP.php

<?php
// +----------------------------------------------------------------------+
// | PHP version 4                                                        |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2004 The PHP Group                                |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license,       |
// | that is bundled with this package in the file LICENSE, and is        |
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// +----------------------------------------------------------------------+
// | Authors: Aidan Lister <aidan@php.net>                                |
// |          Tom Buskens <ortega@php.net>                                |
// +----------------------------------------------------------------------+
//
// $Id: Unreal2XMP.php,v 1.5 2004/09/14 10:47:40 ortega Exp $
 
 
require_once 'Net\GameServerQuery\Protocol.php';
 
 
/**
 * Unreal 2 XMP protocol
 *
 * @category       Net
 * @package        Net_GameServerQuery
 * @author         Tom Buskens <ortega@php.net>
 * @version        $Revision: 1.5 $
 */
class Net_GameServerQuery_Protocol_Unreal2XMP extends Net_GameServerQuery_Protocol_UnrealTournament03
{
    /**
     * Players packet
     *
     * @access  protected
     * @return  array      Array containing formatted server response
     */
    protected function _players()
    {
        // Packet id
        if (!$this->_match("\x02")) {
            throw new Exception('Parsing error');
        }
 
        // Init player id, needed for player properties
        $player_id = 0;
 
        // Players
        while ($this->_match("(.{4})(.{4})(.)")) {
 
            // Player number & ID (never updated, bug?)
            $this->_add('playernumber', $this->toInt($this->_result[1], 32));
            $this->_add('playerid',     $this->toInt($this->_result[2], 32));
 
            // Get player name length and create expression
            $name_length = $this->toInt($this->_result[3]) - 1;
            $expr = sprintf("(.{%d})\x00(.{4})(.{4})(.{4})(.)", $name_length);
 
            if (!$this->_match($expr)) {
                return false;
            }
 
            $this->_addPlayer('name',   $this->_result[1]);
            $this->_addPlayer('ping',   $this->toInt($this->_result[2], 32));
            $this->_addPlayer('score',  $this->toInt($this->_result[3], 32));
            $this->_addPlayer('statid', $this->toInt($this->_result[4], 32));
 
            // Get player properties
            $properties_number = $this->toInt($this->_result[5]));
            for ($i = 0; $i != $properties_number; $i++) {
 
                // Get property name length
                if (!$this->_match(".")) {
                    throw new Exception('Parsing error');
                }
                $name_length = $this->toInt($this->_result[0]) - 1;
 
                // Get property name
                $expr = sprintf("(.{%d})(.)", $name_length);
                if (!$this->_match($expr)) {
                    throw new Exception('Parsing error');
                }
                $name = $this->_result[1];
 
                // Get property value length
                $val_length = $this->toInt($this->_result[2]) - 1;
 
                // Get property value
                $expr = sprintf(".{%d}", $val_length);
                if (!$this->_match($expr)) {
                    throw new Exception('Parsing error');
                }
 
                // Assign property value to a variable with property name
                $this->_add($name . $player_id, $this->_match[0]);
            }
 
            ++$player_id;
        }
}
 
?>