ClientboundAttributeLayerSyncPacket.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\AttributeLayerSyncPayload;
use pocketmine\network\mcpe\protocol\types\AttributesRemoveEnvironment;
use pocketmine\network\mcpe\protocol\types\AttributesUpdateEnvironment;
use pocketmine\network\mcpe\protocol\types\AttributeUpdateLayers;
use pocketmine\network\mcpe\protocol\types\AttributeUpdateLayerSettings;
 
class ClientboundAttributeLayerSyncPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::CLIENTBOUND_ATTRIBUTE_LAYER_SYNC_PACKET;
 
    private AttributeLayerSyncPayload $payload;
 
    public static function create(AttributeLayerSyncPayload $payload) : self{
        $result = new self;
        $result->payload = $payload;
        return $result;
    }
 
    public function getPayload() : AttributeLayerSyncPayload{ return $this->payload; }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->payload = match(VarInt::readUnsignedInt($in)){
            AttributeUpdateLayers::ID => AttributeUpdateLayers::read($in),
            AttributeUpdateLayerSettings::ID => AttributeUpdateLayerSettings::read($in),
            AttributesUpdateEnvironment::ID => AttributesUpdateEnvironment::read($in),
            AttributesRemoveEnvironment::ID => AttributesRemoveEnvironment::read($in),
            default => throw new PacketDecodeException("Unknown ClientboundAttributeLayerSync type"),
        };
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        VarInt::writeUnsignedInt($out, $this->payload->getTypeId());
        $this->payload->write($out);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleClientboundAttributeLayerSync($this);
    }
}