SetScorePacket.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\network\mcpe\protocol\serializer\CommonTypes;
use pocketmine\network\mcpe\protocol\types\ScorePacketEntry;
use function count;
 
class SetScorePacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::SET_SCORE_PACKET;
 
    public const TYPE_CHANGE = 0;
    public const TYPE_REMOVE = 1;
 
    public int $type;
    public array $entries = [];
 
    public static function create(int $type, array $entries) : self{
        $result = new self;
        $result->type = $type;
        $result->entries = $entries;
        return $result;
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->type = Byte::readUnsigned($in);
        for($i = 0, $i2 = VarInt::readUnsignedInt($in); $i < $i2; ++$i){
            $entry = new ScorePacketEntry();
            $entry->scoreboardId = VarInt::readSignedLong($in);
            $entry->objectiveName = CommonTypes::getString($in);
            $entry->score = LE::readSignedInt($in);
            if($this->type !== self::TYPE_REMOVE){
                $entry->type = Byte::readUnsigned($in);
                switch($entry->type){
                    case ScorePacketEntry::TYPE_PLAYER:
                    case ScorePacketEntry::TYPE_ENTITY:
                        $entry->actorUniqueId = CommonTypes::getActorUniqueId($in);
                        break;
                    case ScorePacketEntry::TYPE_FAKE_PLAYER:
                        $entry->customName = CommonTypes::getString($in);
                        break;
                    default:
                        throw new PacketDecodeException("Unknown entry type $entry->type");
                }
            }
            $this->entries[] = $entry;
        }
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        Byte::writeUnsigned($out, $this->type);
        VarInt::writeUnsignedInt($out, count($this->entries));
        foreach($this->entries as $entry){
            VarInt::writeSignedLong($out, $entry->scoreboardId);
            CommonTypes::putString($out, $entry->objectiveName);
            LE::writeSignedInt($out, $entry->score);
            if($this->type !== self::TYPE_REMOVE){
                Byte::writeUnsigned($out, $entry->type);
                switch($entry->type){
                    case ScorePacketEntry::TYPE_PLAYER:
                    case ScorePacketEntry::TYPE_ENTITY:
                        CommonTypes::putActorUniqueId($out, $entry->actorUniqueId);
                        break;
                    case ScorePacketEntry::TYPE_FAKE_PLAYER:
                        CommonTypes::putString($out, $entry->customName);
                        break;
                    default:
                        throw new \InvalidArgumentException("Unknown entry type $entry->type");
                }
            }
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleSetScore($this);
    }
}