DayZ-Stat-Server/GameQ/Protocols/Unreal2.php

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2021-02-02 15:14:05 +01:00
<?php
/**
* This file is part of GameQ.
*
* GameQ is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GameQ is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace GameQ\Protocols;
use GameQ\Protocol;
use GameQ\Buffer;
use GameQ\Result;
use GameQ\Exception\Protocol as Exception;
/**
* Unreal 2 Protocol class
*
* @author Austin Bischoff <austin@codebeard.com>
*/
class Unreal2 extends Protocol
{
/**
* Array of packets we want to look up.
* Each key should correspond to a defined method in this or a parent class
*
* @type array
*/
protected $packets = [
self::PACKET_DETAILS => "\x79\x00\x00\x00\x00",
self::PACKET_RULES => "\x79\x00\x00\x00\x01",
self::PACKET_PLAYERS => "\x79\x00\x00\x00\x02",
];
/**
* Use the response flag to figure out what method to run
*
* @type array
*/
protected $responses = [
"\x80\x00\x00\x00\x00" => "processDetails", // 0
"\x80\x00\x00\x00\x01" => "processRules", // 1
"\x80\x00\x00\x00\x02" => "processPlayers", // 2
];
/**
* The query protocol used to make the call
*
* @type string
*/
protected $protocol = 'unreal2';
/**
* String name of this protocol class
*
* @type string
*/
protected $name = 'unreal2';
/**
* Longer string name of this protocol class
*
* @type string
*/
protected $name_long = "Unreal 2";
/**
* Normalize settings for this protocol
*
* @type array
*/
protected $normalize = [
// General
'general' => [
// target => source
'dedicated' => 'ServerMode',
'gametype' => 'gametype',
'hostname' => 'servername',
'mapname' => 'mapname',
'maxplayers' => 'maxplayers',
'numplayers' => 'numplayers',
'password' => 'password',
],
// Individual
'player' => [
'name' => 'name',
'score' => 'score',
],
];
/**
* Process the response
*
* @return array
* @throws \GameQ\Exception\Protocol
*/
public function processResponse()
{
// Will hold the packets after sorting
$packets = [];
// We need to pre-sort these for split packets so we can do extra work where needed
foreach ($this->packets_response as $response) {
$buffer = new Buffer($response);
// Pull out the header
$header = $buffer->read(5);
// Add the packet to the proper section, we will combine later
$packets[$header][] = $buffer->getBuffer();
}
unset($buffer);
$results = [];
// Now let's iterate and process
foreach ($packets as $header => $packetGroup) {
// Figure out which packet response this is
if (!array_key_exists($header, $this->responses)) {
throw new Exception(__METHOD__ . " response type '" . bin2hex($header) . "' is not valid");
}
// Now we need to call the proper method
$results = array_merge(
$results,
call_user_func_array([$this, $this->responses[$header]], [new Buffer(implode($packetGroup))])
);
}
unset($packets);
return $results;
}
/*
* Internal methods
*/
/**
* Handles processing the details data into a usable format
*
* @param \GameQ\Buffer $buffer
*
* @return mixed
* @throws \GameQ\Exception\Protocol
*/
protected function processDetails(Buffer $buffer)
{
// Set the result to a new result instance
$result = new Result();
$result->add('serverid', $buffer->readInt32()); // 0
$result->add('serverip', $buffer->readPascalString(1)); // empty
$result->add('gameport', $buffer->readInt32());
$result->add('queryport', $buffer->readInt32()); // 0
$result->add('servername', utf8_encode($buffer->readPascalString(1)));
$result->add('mapname', utf8_encode($buffer->readPascalString(1)));
$result->add('gametype', $buffer->readPascalString(1));
$result->add('numplayers', $buffer->readInt32());
$result->add('maxplayers', $buffer->readInt32());
$result->add('ping', $buffer->readInt32()); // 0
unset($buffer);
return $result->fetch();
}
/**
* Handles processing the player data into a usable format
*
* @param \GameQ\Buffer $buffer
*
* @return mixed
*/
protected function processPlayers(Buffer $buffer)
{
// Set the result to a new result instance
$result = new Result();
// Parse players
while ($buffer->getLength()) {
// Player id
if (($id = $buffer->readInt32()) !== 0) {
// Add the results
$result->addPlayer('id', $id);
$result->addPlayer('name', utf8_encode($buffer->readPascalString(1)));
$result->addPlayer('ping', $buffer->readInt32());
$result->addPlayer('score', $buffer->readInt32());
// Skip the next 4, unsure what they are for
$buffer->skip(4);
}
}
unset($buffer, $id);
return $result->fetch();
}
/**
* Handles processing the rules data into a usable format
*
* @param \GameQ\Buffer $buffer
*
* @return mixed
*/
protected function processRules(Buffer $buffer)
{
// Set the result to a new result instance
$result = new Result();
// Named values
$inc = -1;
while ($buffer->getLength()) {
// Grab the key
$key = $buffer->readPascalString(1);
// Make sure mutators don't overwrite each other
if ($key === 'Mutator') {
$key .= ++$inc;
}
$result->add(strtolower($key), utf8_encode($buffer->readPascalString(1)));
}
unset($buffer);
return $result->fetch();
}
}