AbilitiesData.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\types;
 
use pmmp\encoding\Byte;
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\LE;
use function count;
 
final class AbilitiesData{
    public function __construct(
        private int $commandPermission,
        private int $playerPermission,
        private int $targetActorUniqueId, //This is a little-endian long, NOT a var-long. (WTF Mojang)
        private array $abilityLayers
    ){}
 
    public function getCommandPermission() : int{ return $this->commandPermission; }
 
    public function getPlayerPermission() : int{ return $this->playerPermission; }
 
    public function getTargetActorUniqueId() : int{ return $this->targetActorUniqueId; }
 
    public function getAbilityLayers() : array{ return $this->abilityLayers; }
 
    public static function decode(ByteBufferReader $in) : self{
        $targetActorUniqueId = LE::readSignedLong($in); //WHY IS THIS NON-STANDARD?
        $playerPermission = Byte::readUnsigned($in);
        $commandPermission = Byte::readUnsigned($in);
 
        $abilityLayers = [];
        for($i = 0, $len = Byte::readUnsigned($in); $i < $len; $i++){
            $abilityLayers[] = AbilitiesLayer::decode($in);
        }
 
        return new self($commandPermission, $playerPermission, $targetActorUniqueId, $abilityLayers);
    }
 
    public function encode(ByteBufferWriter $out) : void{
        LE::writeSignedLong($out, $this->targetActorUniqueId);
        Byte::writeUnsigned($out, $this->playerPermission);
        Byte::writeUnsigned($out, $this->commandPermission);
 
        Byte::writeUnsigned($out, count($this->abilityLayers));
        foreach($this->abilityLayers as $abilityLayer){
            $abilityLayer->encode($out);
        }
    }
}