AddActorPacket.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\math\Vector3;
use pocketmine\network\mcpe\protocol\serializer\CommonTypes;
use pocketmine\network\mcpe\protocol\types\entity\Attribute;
use pocketmine\network\mcpe\protocol\types\entity\EntityLink;
use pocketmine\network\mcpe\protocol\types\entity\MetadataProperty;
use pocketmine\network\mcpe\protocol\types\entity\PropertySyncData;
use function count;
 
class AddActorPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::ADD_ACTOR_PACKET;
 
    public int $actorUniqueId;
    public int $actorRuntimeId;
    public string $type;
    public Vector3 $position;
    public ?Vector3 $motion = null;
    public float $pitch = 0.0;
    public float $yaw = 0.0;
    public float $headYaw = 0.0;
    public float $bodyYaw = 0.0; //???
 
    public array $attributes = [];
    public array $metadata = [];
    public PropertySyncData $syncedProperties;
    public array $links = [];
 
    public static function create(
        int $actorUniqueId,
        int $actorRuntimeId,
        string $type,
        Vector3 $position,
        ?Vector3 $motion,
        float $pitch,
        float $yaw,
        float $headYaw,
        float $bodyYaw,
        array $attributes,
        array $metadata,
        PropertySyncData $syncedProperties,
        array $links,
    ) : self{
        $result = new self;
        $result->actorUniqueId = $actorUniqueId;
        $result->actorRuntimeId = $actorRuntimeId;
        $result->type = $type;
        $result->position = $position;
        $result->motion = $motion;
        $result->pitch = $pitch;
        $result->yaw = $yaw;
        $result->headYaw = $headYaw;
        $result->bodyYaw = $bodyYaw;
        $result->attributes = $attributes;
        $result->metadata = $metadata;
        $result->syncedProperties = $syncedProperties;
        $result->links = $links;
        return $result;
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->actorUniqueId = CommonTypes::getActorUniqueId($in);
        $this->actorRuntimeId = CommonTypes::getActorRuntimeId($in);
        $this->type = CommonTypes::getString($in);
        $this->position = CommonTypes::getVector3($in);
        $this->motion = CommonTypes::getVector3($in);
        $this->pitch = LE::readFloat($in);
        $this->yaw = LE::readFloat($in);
        $this->headYaw = LE::readFloat($in);
        $this->bodyYaw = LE::readFloat($in);
 
        $attrCount = VarInt::readUnsignedInt($in);
        for($i = 0; $i < $attrCount; ++$i){
            $id = CommonTypes::getString($in);
            $min = LE::readFloat($in);
            $current = LE::readFloat($in);
            $max = LE::readFloat($in);
            $this->attributes[] = new Attribute($id, $min, $max, $current, $current, []);
        }
 
        $this->metadata = CommonTypes::getEntityMetadata($in);
        $this->syncedProperties = PropertySyncData::read($in);
 
        $linkCount = VarInt::readUnsignedInt($in);
        for($i = 0; $i < $linkCount; ++$i){
            $this->links[] = CommonTypes::getEntityLink($in);
        }
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        CommonTypes::putActorUniqueId($out, $this->actorUniqueId);
        CommonTypes::putActorRuntimeId($out, $this->actorRuntimeId);
        CommonTypes::putString($out, $this->type);
        CommonTypes::putVector3($out, $this->position);
        CommonTypes::putVector3Nullable($out, $this->motion);
        LE::writeFloat($out, $this->pitch);
        LE::writeFloat($out, $this->yaw);
        LE::writeFloat($out, $this->headYaw);
        LE::writeFloat($out, $this->bodyYaw);
 
        VarInt::writeUnsignedInt($out, count($this->attributes));
        foreach($this->attributes as $attribute){
            CommonTypes::putString($out, $attribute->getId());
            LE::writeFloat($out, $attribute->getMin());
            LE::writeFloat($out, $attribute->getCurrent());
            LE::writeFloat($out, $attribute->getMax());
        }
 
        CommonTypes::putEntityMetadata($out, $this->metadata);
        $this->syncedProperties->write($out);
 
        VarInt::writeUnsignedInt($out, count($this->links));
        foreach($this->links as $link){
            CommonTypes::putEntityLink($out, $link);
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleAddActor($this);
    }
}