LevelEventGenericPacket.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\nbt\NBT;
use pocketmine\nbt\NbtDataException;
use pocketmine\nbt\tag\Tag;
use pocketmine\network\mcpe\protocol\serializer\NetworkNbtSerializer;
 
class LevelEventGenericPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::LEVEL_EVENT_GENERIC_PACKET;
 
    private int $eventId;
    private Tag $eventData;
 
    public static function create(int $eventId, Tag $eventData) : self{
        $result = new self;
        $result->eventId = $eventId;
        $result->eventData = $eventData;
        return $result;
    }
 
    public function getEventId() : int{
        return $this->eventId;
    }
 
    public function getEventData() : Tag{
        return $this->eventData;
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->eventId = VarInt::readSignedInt($in);
        $offset = $in->getOffset();
        try{
            $this->eventData = (new NetworkNbtSerializer())->readHeadless($in->getData(), NBT::TAG_Compound, $offset);
        }catch(NbtDataException $e){
            throw PacketDecodeException::wrap($e);
        }
        $in->setOffset($offset);
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        VarInt::writeSignedInt($out, $this->eventId);
        $out->writeByteArray((new NetworkNbtSerializer())->writeHeadless($this->eventData));
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleLevelEventGeneric($this);
    }
}