ClientboundDataStorePacket.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;
 
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\VarInt;
use pocketmine\network\mcpe\protocol\types\ddui\DataStoreChange;
use pocketmine\network\mcpe\protocol\types\ddui\DataStoreOperation;
use pocketmine\network\mcpe\protocol\types\ddui\DataStoreOperationType;
use pocketmine\network\mcpe\protocol\types\ddui\DataStoreRemoval;
use pocketmine\network\mcpe\protocol\types\ddui\DataStoreUpdate;
use function count;
 
class ClientboundDataStorePacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::CLIENTBOUND_DATA_STORE_PACKET;
 
    public array $values = [];
 
    public static function create(array $values) : self{
        $result = new self;
        $result->values = $values;
        return $result;
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->values = [];
        for($i = 0, $len = VarInt::readUnsignedInt($in); $i < $len; ++$i){
            $this->values[] = match(VarInt::readUnsignedInt($in)){
                DataStoreOperationType::UPDATE => DataStoreUpdate::read($in),
                DataStoreOperationType::CHANGE => DataStoreChange::read($in),
                DataStoreOperationType::REMOVAL => DataStoreRemoval::read($in),
                default => throw new PacketDecodeException("Unknown DataStore type"),
            };
        }
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        VarInt::writeUnsignedInt($out, count($this->values));
        foreach($this->values as $value){
            VarInt::writeUnsignedInt($out, $value->getTypeId());
            $value->write($out);
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleClientboundDataStore($this);
    }
}