ItemInteractionData.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;
 
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\VarInt;
use pocketmine\network\mcpe\protocol\types\inventory\InventoryTransactionChangedSlotsHack;
use pocketmine\network\mcpe\protocol\types\inventory\UseItemTransactionData;
use function count;
 
final class ItemInteractionData{
    public function __construct(
        private int $requestId,
        private array $requestChangedSlots,
        private UseItemTransactionData $transactionData
    ){}
 
    public function getRequestId() : int{
        return $this->requestId;
    }
 
    public function getRequestChangedSlots() : array{
        return $this->requestChangedSlots;
    }
 
    public function getTransactionData() : UseItemTransactionData{
        return $this->transactionData;
    }
 
    public static function read(ByteBufferReader $in) : self{
        $requestId = VarInt::readSignedInt($in);
        $requestChangedSlots = [];
        if($requestId !== 0){
            $len = VarInt::readUnsignedInt($in);
            for($i = 0; $i < $len; ++$i){
                $requestChangedSlots[] = InventoryTransactionChangedSlotsHack::read($in);
            }
        }
        $transactionData = new UseItemTransactionData();
        $transactionData->decode($in);
        return new ItemInteractionData($requestId, $requestChangedSlots, $transactionData);
    }
 
    public function write(ByteBufferWriter $out) : void{
        VarInt::writeSignedInt($out, $this->requestId);
        if($this->requestId !== 0){
            VarInt::writeUnsignedInt($out, count($this->requestChangedSlots));
            foreach($this->requestChangedSlots as $changedSlot){
                $changedSlot->write($out);
            }
        }
        $this->transactionData->encode($out);
    }
}