InteractPacket.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 pocketmine\network\mcpe\protocol\serializer\CommonTypes;
 
class InteractPacket extends DataPacket implements ServerboundPacket{
    public const NETWORK_ID = ProtocolInfo::INTERACT_PACKET;
 
    public const ACTION_LEAVE_VEHICLE = 3;
    public const ACTION_MOUSEOVER = 4;
    public const ACTION_OPEN_NPC = 5;
    public const ACTION_OPEN_INVENTORY = 6;
 
    public int $action;
    public int $targetActorRuntimeId;
    public float $x;
    public float $y;
    public float $z;
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->action = Byte::readUnsigned($in);
        $this->targetActorRuntimeId = CommonTypes::getActorRuntimeId($in);
 
        if($this->action === self::ACTION_MOUSEOVER || $this->action === self::ACTION_LEAVE_VEHICLE){
            //TODO: should this be a vector3?
            $this->x = LE::readFloat($in);
            $this->y = LE::readFloat($in);
            $this->z = LE::readFloat($in);
        }
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        Byte::writeUnsigned($out, $this->action);
        CommonTypes::putActorRuntimeId($out, $this->targetActorRuntimeId);
 
        if($this->action === self::ACTION_MOUSEOVER || $this->action === self::ACTION_LEAVE_VEHICLE){
            LE::writeFloat($out, $this->x);
            LE::writeFloat($out, $this->y);
            LE::writeFloat($out, $this->z);
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleInteract($this);
    }
}