UpdateAttributesPacket.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\serializer\CommonTypes;
use pocketmine\network\mcpe\protocol\types\entity\UpdateAttribute;
use function count;
 
class UpdateAttributesPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::UPDATE_ATTRIBUTES_PACKET;
 
    public int $actorRuntimeId;
    public array $entries = [];
    public int $tick = 0;
 
    public static function create(int $actorRuntimeId, array $entries, int $tick) : self{
        $result = new self;
        $result->actorRuntimeId = $actorRuntimeId;
        $result->entries = $entries;
        $result->tick = $tick;
        return $result;
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->actorRuntimeId = CommonTypes::getActorRuntimeId($in);
        for($i = 0, $len = VarInt::readUnsignedInt($in); $i < $len; ++$i){
            $this->entries[] = UpdateAttribute::read($in);
        }
        $this->tick = VarInt::readUnsignedLong($in);
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        CommonTypes::putActorRuntimeId($out, $this->actorRuntimeId);
        VarInt::writeUnsignedInt($out, count($this->entries));
        foreach($this->entries as $entry){
            $entry->write($out);
        }
        VarInt::writeUnsignedLong($out, $this->tick);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleUpdateAttributes($this);
    }
}