OfflineMessage.php

<?php
 
/*
 * This file is part of RakLib.
 * Copyright (C) 2014-2022 PocketMine Team <https://github.com/pmmp/RakLib>
 *
 * RakLib is not affiliated with Jenkins Software LLC nor RakNet.
 *
 * RakLib is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 */
 
declare(strict_types=1);
 
namespace raklib\protocol;
 
use pocketmine\utils\BinaryDataException;
use pocketmine\utils\BinaryStream;
 
abstract class OfflineMessage extends Packet{
 
    private const MAGIC = "\x00\xff\xff\x00\xfe\xfe\xfe\xfe\xfd\xfd\xfd\xfd\x12\x34\x56\x78";
 
    protected string $magic = self::MAGIC;
 
    protected function readMagic(BinaryStream $in){
        $this->magic = $in->get(16);
    }
 
    protected function writeMagic(BinaryStream $out){
        $out->put($this->magic);
    }
 
    public function isValid() : bool{
        return $this->magic === self::MAGIC;
    }
}