SetHudPacket.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\types\hud\HudElement;
use pocketmine\network\mcpe\protocol\types\hud\HudVisibility;
use function count;
 
class SetHudPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::SET_HUD_PACKET;
 
    private array $hudElements = [];
    private HudVisibility $visibility;
 
    public static function create(array $hudElements, HudVisibility $visibility) : self{
        $result = new self;
        $result->hudElements = $hudElements;
        $result->visibility = $visibility;
        return $result;
    }
 
    public function getHudElements() : array{ return $this->hudElements; }
 
    public function getVisibility() : HudVisibility{ return $this->visibility; }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->hudElements = [];
        for($i = 0, $count = VarInt::readUnsignedInt($in); $i < $count; ++$i){
            $this->hudElements[] = HudElement::fromPacket(VarInt::readSignedInt($in));
        }
        $this->visibility = HudVisibility::fromPacket(VarInt::readSignedInt($in));
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        VarInt::writeUnsignedInt($out, count($this->hudElements));
        foreach($this->hudElements as $element){
            VarInt::writeSignedInt($out, $element->value);
        }
        VarInt::writeSignedInt($out, $this->visibility->value);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleSetHud($this);
    }
}