UpdateBlockPacket.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\BlockPosition;
 
class UpdateBlockPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::UPDATE_BLOCK_PACKET;
 
    public const FLAG_NONE = 0b0000;
    public const FLAG_NEIGHBORS = 0b0001;
    public const FLAG_NETWORK = 0b0010;
    public const FLAG_NOGRAPHIC = 0b0100;
    public const FLAG_PRIORITY = 0b1000;
 
    public const DATA_LAYER_NORMAL = 0;
    public const DATA_LAYER_LIQUID = 1;
 
    public BlockPosition $blockPosition;
    public int $blockRuntimeId;
    public int $flags = self::FLAG_NETWORK;
    public int $dataLayerId = self::DATA_LAYER_NORMAL;
 
    public static function create(BlockPosition $blockPosition, int $blockRuntimeId, int $flags, int $dataLayerId) : self{
        $result = new self;
        $result->blockPosition = $blockPosition;
        $result->blockRuntimeId = $blockRuntimeId;
        $result->flags = $flags;
        $result->dataLayerId = $dataLayerId;
        return $result;
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->blockPosition = CommonTypes::getBlockPosition($in);
        $this->blockRuntimeId = VarInt::readUnsignedInt($in);
        $this->flags = VarInt::readUnsignedInt($in);
        $this->dataLayerId = VarInt::readUnsignedInt($in);
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        CommonTypes::putBlockPosition($out, $this->blockPosition);
        VarInt::writeUnsignedInt($out, $this->blockRuntimeId);
        VarInt::writeUnsignedInt($out, $this->flags);
        VarInt::writeUnsignedInt($out, $this->dataLayerId);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleUpdateBlock($this);
    }
}