CameraInstructionPacket.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\camera\CameraFadeInstruction;
use pocketmine\network\mcpe\protocol\types\camera\CameraSetInstruction;
 
class CameraInstructionPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::CAMERA_INSTRUCTION_PACKET;
 
    private ?CameraSetInstruction $set;
    private ?bool $clear;
    private ?CameraFadeInstruction $fade;
 
    public static function create(?CameraSetInstruction $set, ?bool $clear, ?CameraFadeInstruction $fade) : self{
        $result = new self;
        $result->set = $set;
        $result->clear = $clear;
        $result->fade = $fade;
        return $result;
    }
 
    public function getSet() : ?CameraSetInstruction{ return $this->set; }
 
    public function getClear() : ?bool{ return $this->clear; }
 
    public function getFade() : ?CameraFadeInstruction{ return $this->fade; }
 
    protected function decodePayload(PacketSerializer $in) : void{
        $this->set = $in->readOptional(fn() => CameraSetInstruction::read($in));
        $this->clear = $in->readOptional($in->getBool(...));
        $this->fade = $in->readOptional(fn() => CameraFadeInstruction::read($in));
    }
 
    protected function encodePayload(PacketSerializer $out) : void{
        $out->writeOptional($this->set, fn(CameraSetInstruction $v) => $v->write($out));
        $out->writeOptional($this->clear, $out->putBool(...));
        $out->writeOptional($this->fade, fn(CameraFadeInstruction $v) => $v->write($out));
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleCameraInstruction($this);
    }
}