CommandOutputPacket.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 pocketmine\network\mcpe\protocol\serializer\PacketSerializer;
use pocketmine\network\mcpe\protocol\types\command\CommandOriginData;
use pocketmine\network\mcpe\protocol\types\command\CommandOutputMessage;
use pocketmine\utils\BinaryDataException;
use function count;
 
class CommandOutputPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::COMMAND_OUTPUT_PACKET;
 
    public const TYPE_LAST = 1;
    public const TYPE_SILENT = 2;
    public const TYPE_ALL = 3;
    public const TYPE_DATA_SET = 4;
 
    public CommandOriginData $originData;
    public int $outputType;
    public int $successCount;
    public array $messages = [];
    public string $unknownString;
 
    protected function decodePayload(PacketSerializer $in) : void{
        $this->originData = $in->getCommandOriginData();
        $this->outputType = $in->getByte();
        $this->successCount = $in->getUnsignedVarInt();
 
        for($i = 0, $size = $in->getUnsignedVarInt(); $i < $size; ++$i){
            $this->messages[] = $this->getCommandMessage($in);
        }
 
        if($this->outputType === self::TYPE_DATA_SET){
            $this->unknownString = $in->getString();
        }
    }
 
    protected function getCommandMessage(PacketSerializer $in) : CommandOutputMessage{
        $message = new CommandOutputMessage();
 
        $message->isInternal = $in->getBool();
        $message->messageId = $in->getString();
 
        for($i = 0, $size = $in->getUnsignedVarInt(); $i < $size; ++$i){
            $message->parameters[] = $in->getString();
        }
 
        return $message;
    }
 
    protected function encodePayload(PacketSerializer $out) : void{
        $out->putCommandOriginData($this->originData);
        $out->putByte($this->outputType);
        $out->putUnsignedVarInt($this->successCount);
 
        $out->putUnsignedVarInt(count($this->messages));
        foreach($this->messages as $message){
            $this->putCommandMessage($message, $out);
        }
 
        if($this->outputType === self::TYPE_DATA_SET){
            $out->putString($this->unknownString);
        }
    }
 
    protected function putCommandMessage(CommandOutputMessage $message, PacketSerializer $out) : void{
        $out->putBool($message->isInternal);
        $out->putString($message->messageId);
 
        $out->putUnsignedVarInt(count($message->parameters));
        foreach($message->parameters as $parameter){
            $out->putString($parameter);
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleCommandOutput($this);
    }
}