InventoryTransactionChangedSlotsHack.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\inventory;
 
use pmmp\encoding\Byte;
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\VarInt;
use function count;
 
final class InventoryTransactionChangedSlotsHack{
    public function __construct(
        private int $containerId,
        private array $changedSlotIndexes
    ){}
 
    public function getContainerId() : int{ return $this->containerId; }
 
    public function getChangedSlotIndexes() : array{ return $this->changedSlotIndexes; }
 
    public static function read(ByteBufferReader $in) : self{
        $containerId = Byte::readUnsigned($in);
        $changedSlots = [];
        for($i = 0, $len = VarInt::readUnsignedInt($in); $i < $len; ++$i){
            $changedSlots[] = Byte::readUnsigned($in);
        }
        return new self($containerId, $changedSlots);
    }
 
    public function write(ByteBufferWriter $out) : void{
        Byte::writeUnsigned($out, $this->containerId);
        VarInt::writeUnsignedInt($out, count($this->changedSlotIndexes));
        foreach($this->changedSlotIndexes as $index){
            Byte::writeUnsigned($out, $index);
        }
    }
}