AnimatePacket.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 AnimatePacket extends DataPacket implements ClientboundPacket, ServerboundPacket{
    public const NETWORK_ID = ProtocolInfo::ANIMATE_PACKET;
 
    public const ACTION_SWING_ARM = 1;
 
    public const ACTION_STOP_SLEEP = 3;
    public const ACTION_CRITICAL_HIT = 4;
    public const ACTION_MAGICAL_CRITICAL_HIT = 5;
    public const ACTION_ROW_RIGHT = 128;
    public const ACTION_ROW_LEFT = 129;
 
    public int $action;
    public int $actorRuntimeId;
    public float $data = 0.0;
    public float $rowingTime = 0.0;
 
    public static function create(int $actorRuntimeId, int $actionId, float $data = 0.0) : self{
        $result = new self;
        $result->actorRuntimeId = $actorRuntimeId;
        $result->action = $actionId;
        $result->data = $data;
        return $result;
    }
 
    public static function boatHack(int $actorRuntimeId, int $actionId, float $rowingTime) : self{
        if($actionId !== self::ACTION_ROW_LEFT && $actionId !== self::ACTION_ROW_RIGHT){
            throw new \InvalidArgumentException("Invalid actionId for boatHack: $actionId");
        }
 
        $result = self::create($actorRuntimeId, $actionId);
        $result->rowingTime = $rowingTime;
        return $result;
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->action = VarInt::readSignedInt($in);
        $this->actorRuntimeId = CommonTypes::getActorRuntimeId($in);
        $this->data = LE::readFloat($in);
        if($this->action === self::ACTION_ROW_LEFT || $this->action === self::ACTION_ROW_RIGHT){
            $this->rowingTime = LE::readFloat($in);
        }
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        VarInt::writeSignedInt($out, $this->action);
        CommonTypes::putActorRuntimeId($out, $this->actorRuntimeId);
        LE::writeFloat($out, $this->data);
        if($this->action === self::ACTION_ROW_LEFT || $this->action === self::ACTION_ROW_RIGHT){
            LE::writeFloat($out, $this->rowingTime);
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleAnimate($this);
    }
}