AnimateEntityPacket.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;
use function count;
 
class AnimateEntityPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::ANIMATE_ENTITY_PACKET;
 
    private string $animation;
    private string $nextState;
    private string $stopExpression;
    private int $stopExpressionVersion;
    private string $controller;
    private float $blendOutTime;
    private array $actorRuntimeIds;
 
    public static function create(
        string $animation,
        string $nextState,
        string $stopExpression,
        int $stopExpressionVersion,
        string $controller,
        float $blendOutTime,
        array $actorRuntimeIds,
    ) : self{
        $result = new self;
        $result->animation = $animation;
        $result->nextState = $nextState;
        $result->stopExpression = $stopExpression;
        $result->stopExpressionVersion = $stopExpressionVersion;
        $result->controller = $controller;
        $result->blendOutTime = $blendOutTime;
        $result->actorRuntimeIds = $actorRuntimeIds;
        return $result;
    }
 
    public function getAnimation() : string{ return $this->animation; }
 
    public function getNextState() : string{ return $this->nextState; }
 
    public function getStopExpression() : string{ return $this->stopExpression; }
 
    public function getStopExpressionVersion() : int{ return $this->stopExpressionVersion; }
 
    public function getController() : string{ return $this->controller; }
 
    public function getBlendOutTime() : float{ return $this->blendOutTime; }
 
    public function getActorRuntimeIds() : array{ return $this->actorRuntimeIds; }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->animation = CommonTypes::getString($in);
        $this->nextState = CommonTypes::getString($in);
        $this->stopExpression = CommonTypes::getString($in);
        $this->stopExpressionVersion = LE::readSignedInt($in);
        $this->controller = CommonTypes::getString($in);
        $this->blendOutTime = LE::readFloat($in);
        $this->actorRuntimeIds = [];
        for($i = 0, $len = VarInt::readUnsignedInt($in); $i < $len; ++$i){
            $this->actorRuntimeIds[] = CommonTypes::getActorRuntimeId($in);
        }
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        CommonTypes::putString($out, $this->animation);
        CommonTypes::putString($out, $this->nextState);
        CommonTypes::putString($out, $this->stopExpression);
        LE::writeSignedInt($out, $this->stopExpressionVersion);
        CommonTypes::putString($out, $this->controller);
        LE::writeFloat($out, $this->blendOutTime);
        VarInt::writeUnsignedInt($out, count($this->actorRuntimeIds));
        foreach($this->actorRuntimeIds as $id){
            CommonTypes::putActorRuntimeId($out, $id);
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleAnimateEntity($this);
    }
}