PlayerListPacket.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 pmmp\encoding\LE;
use pmmp\encoding\VarInt;
use pocketmine\color\Color;
use pocketmine\network\mcpe\protocol\serializer\CommonTypes;
use pocketmine\network\mcpe\protocol\types\PlayerListEntry;
use function count;
 
class PlayerListPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::PLAYER_LIST_PACKET;
 
    public const TYPE_ADD = 0;
    public const TYPE_REMOVE = 1;
 
    public int $type;
    public array $entries = [];
 
    private static function create(int $type, array $entries) : self{
        $result = new self;
        $result->type = $type;
        $result->entries = $entries;
        return $result;
    }
 
    public static function add(array $entries) : self{
        return self::create(self::TYPE_ADD, $entries);
    }
 
    public static function remove(array $entries) : self{
        return self::create(self::TYPE_REMOVE, $entries);
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->type = Byte::readUnsigned($in);
        $count = VarInt::readUnsignedInt($in);
        for($i = 0; $i < $count; ++$i){
            $entry = new PlayerListEntry();
 
            if($this->type === self::TYPE_ADD){
                $entry->uuid = CommonTypes::getUUID($in);
                $entry->actorUniqueId = CommonTypes::getActorUniqueId($in);
                $entry->username = CommonTypes::getString($in);
                $entry->xboxUserId = CommonTypes::getString($in);
                $entry->platformChatId = CommonTypes::getString($in);
                $entry->buildPlatform = LE::readSignedInt($in);
                $entry->skinData = CommonTypes::getSkin($in);
                $entry->isTeacher = CommonTypes::getBool($in);
                $entry->isHost = CommonTypes::getBool($in);
                $entry->isSubClient = CommonTypes::getBool($in);
                $entry->color = Color::fromARGB(LE::readUnsignedInt($in));
            }else{
                $entry->uuid = CommonTypes::getUUID($in);
            }
 
            $this->entries[$i] = $entry;
        }
        if($this->type === self::TYPE_ADD){
            for($i = 0; $i < $count; ++$i){
                $this->entries[$i]->skinData->setVerified(CommonTypes::getBool($in));
            }
        }
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        Byte::writeUnsigned($out, $this->type);
        VarInt::writeUnsignedInt($out, count($this->entries));
        foreach($this->entries as $entry){
            if($this->type === self::TYPE_ADD){
                CommonTypes::putUUID($out, $entry->uuid);
                CommonTypes::putActorUniqueId($out, $entry->actorUniqueId);
                CommonTypes::putString($out, $entry->username);
                CommonTypes::putString($out, $entry->xboxUserId);
                CommonTypes::putString($out, $entry->platformChatId);
                LE::writeSignedInt($out, $entry->buildPlatform);
                CommonTypes::putSkin($out, $entry->skinData);
                CommonTypes::putBool($out, $entry->isTeacher);
                CommonTypes::putBool($out, $entry->isHost);
                CommonTypes::putBool($out, $entry->isSubClient);
                LE::writeUnsignedInt($out, ($entry->color ?? new Color(255, 255, 255))->toARGB());
            }else{
                CommonTypes::putUUID($out, $entry->uuid);
            }
        }
        if($this->type === self::TYPE_ADD){
            foreach($this->entries as $entry){
                CommonTypes::putBool($out, $entry->skinData->isVerified());
            }
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handlePlayerList($this);
    }
}