raklib/src/protocol/Packet.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;
 
abstract class Packet{
    public static $ID = -1;
 
    public function encode(PacketSerializer $out) : void{
        $this->encodeHeader($out);
        $this->encodePayload($out);
    }
 
    protected function encodeHeader(PacketSerializer $out) : void{
        $out->putByte(static::$ID);
    }
 
    abstract protected function encodePayload(PacketSerializer $out) : void;
 
    public function decode(PacketSerializer $in) : void{
        $this->decodeHeader($in);
        $this->decodePayload($in);
    }
 
    protected function decodeHeader(PacketSerializer $in) : void{
        $in->getByte(); //PID
    }
 
    abstract protected function decodePayload(PacketSerializer $in) : void;
}