StringIdMetaItemDescriptor.php

<?php
 
/*
 * This file is part of BedrockProtocol.
 * Copyright (C) 2014-2022 PocketMine Team <https://github.com/pmmp/BedrockProtocol>
 *
 * BedrockProtocol 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.
 */
 
declare(strict_types=1);
 
namespace pocketmine\network\mcpe\protocol\types\recipe;
 
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\LE;
use pocketmine\network\mcpe\protocol\serializer\CommonTypes;
use pocketmine\network\mcpe\protocol\types\GetTypeIdFromConstTrait;
 
final class StringIdMetaItemDescriptor implements ItemDescriptor{
    use GetTypeIdFromConstTrait;
 
    public const ID = ItemDescriptorType::STRING_ID_META;
 
    public function __construct(
        private string $id,
        private int $meta
    ){
        if($meta < 0){
            throw new \InvalidArgumentException("Meta cannot be negative");
        }
    }
 
    public function getId() : string{ return $this->id; }
 
    public function getMeta() : int{ return $this->meta; }
 
    public static function read(ByteBufferReader $in) : self{
        $stringId = CommonTypes::getString($in);
        $meta = LE::readUnsignedShort($in);
 
        return new self($stringId, $meta);
    }
 
    public function write(ByteBufferWriter $out) : void{
        CommonTypes::putString($out, $this->id);
        LE::writeUnsignedShort($out, $this->meta);
    }
}