NpcDialoguePacket.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\LE;
use pmmp\encoding\VarInt;
use pocketmine\network\mcpe\protocol\serializer\CommonTypes;
 
class NpcDialoguePacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::NPC_DIALOGUE_PACKET;
 
    public const ACTION_OPEN = 0;
    public const ACTION_CLOSE = 1;
 
    private int $npcActorUniqueId;
    private int $actionType;
    private string $dialogue;
    private string $sceneName;
    private string $npcName;
    private string $actionJson;
 
    public static function create(int $npcActorUniqueId, int $actionType, string $dialogue, string $sceneName, string $npcName, string $actionJson) : self{
        $result = new self;
        $result->npcActorUniqueId = $npcActorUniqueId;
        $result->actionType = $actionType;
        $result->dialogue = $dialogue;
        $result->sceneName = $sceneName;
        $result->npcName = $npcName;
        $result->actionJson = $actionJson;
        return $result;
    }
 
    public function getNpcActorUniqueId() : int{ return $this->npcActorUniqueId; }
 
    public function getActionType() : int{ return $this->actionType; }
 
    public function getDialogue() : string{ return $this->dialogue; }
 
    public function getSceneName() : string{ return $this->sceneName; }
 
    public function getNpcName() : string{ return $this->npcName; }
 
    public function getActionJson() : string{ return $this->actionJson; }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->npcActorUniqueId = LE::readSignedLong($in); //WHY NOT USING STANDARD METHODS, MOJANG
        $this->actionType = VarInt::readSignedInt($in);
        $this->dialogue = CommonTypes::getString($in);
        $this->sceneName = CommonTypes::getString($in);
        $this->npcName = CommonTypes::getString($in);
        $this->actionJson = CommonTypes::getString($in);
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        LE::writeSignedLong($out, $this->npcActorUniqueId);
        VarInt::writeSignedInt($out, $this->actionType);
        CommonTypes::putString($out, $this->dialogue);
        CommonTypes::putString($out, $this->sceneName);
        CommonTypes::putString($out, $this->npcName);
        CommonTypes::putString($out, $this->actionJson);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleNpcDialogue($this);
    }
}