LecternUpdatePacket.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\Byte;
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pocketmine\network\mcpe\protocol\serializer\CommonTypes;
use pocketmine\network\mcpe\protocol\types\BlockPosition;
 
class LecternUpdatePacket extends DataPacket implements ServerboundPacket{
    public const NETWORK_ID = ProtocolInfo::LECTERN_UPDATE_PACKET;
 
    public int $page;
    public int $totalPages;
    public BlockPosition $blockPosition;
 
    public static function create(int $page, int $totalPages, BlockPosition $blockPosition) : self{
        $result = new self;
        $result->page = $page;
        $result->totalPages = $totalPages;
        $result->blockPosition = $blockPosition;
        return $result;
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->page = Byte::readUnsigned($in);
        $this->totalPages = Byte::readUnsigned($in);
        $this->blockPosition = CommonTypes::getBlockPosition($in);
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        Byte::writeUnsigned($out, $this->page);
        Byte::writeUnsigned($out, $this->totalPages);
        CommonTypes::putBlockPosition($out, $this->blockPosition);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleLecternUpdate($this);
    }
}