Villager.php

<?php
 
/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program 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.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
 */
 
declare(strict_types=1);
 
namespace pocketmine\entity;
 
use pocketmine\item\Item;
use pocketmine\item\VanillaItems;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\network\mcpe\protocol\types\entity\EntityIds;
use pocketmine\network\mcpe\protocol\types\entity\EntityMetadataCollection;
use pocketmine\network\mcpe\protocol\types\entity\EntityMetadataFlags;
use pocketmine\network\mcpe\protocol\types\entity\EntityMetadataProperties;
 
class Villager extends Living implements Ageable{
    public const PROFESSION_FARMER = 0;
    public const PROFESSION_LIBRARIAN = 1;
    public const PROFESSION_PRIEST = 2;
    public const PROFESSION_BLACKSMITH = 3;
    public const PROFESSION_BUTCHER = 4;
 
    private const TAG_PROFESSION = "Profession"; //TAG_Int
 
    public static function getNetworkTypeId() : string{ return EntityIds::VILLAGER; }
 
    private bool $baby = false;
    private int $profession = self::PROFESSION_FARMER;
 
    protected function getInitialSizeInfo() : EntitySizeInfo{
        return new EntitySizeInfo(1.8, 0.6); //TODO: eye height??
    }
 
    public function getName() : string{
        return "Villager";
    }
 
    protected function initEntity(CompoundTag $nbt) : void{
        parent::initEntity($nbt);
 
        $profession = $nbt->getInt(self::TAG_PROFESSION, self::PROFESSION_FARMER);
 
        if($profession > 4 || $profession < 0){
            $profession = self::PROFESSION_FARMER;
        }
 
        $this->setProfession($profession);
    }
 
    public function saveNBT() : CompoundTag{
        $nbt = parent::saveNBT();
        $nbt->setInt(self::TAG_PROFESSION, $this->getProfession());
 
        return $nbt;
    }
 
    public function setProfession(int $profession) : void{
        $this->profession = $profession; //TODO: validation
        $this->networkPropertiesDirty = true;
    }
 
    public function getProfession() : int{
        return $this->profession;
    }
 
    public function isBaby() : bool{
        return $this->baby;
    }
 
    public function getPickedItem() : ?Item{
        return VanillaItems::VILLAGER_SPAWN_EGG();
    }
 
    protected function syncNetworkData(EntityMetadataCollection $properties) : void{
        parent::syncNetworkData($properties);
        $properties->setGenericFlag(EntityMetadataFlags::BABY, $this->baby);
 
        $properties->setInt(EntityMetadataProperties::VARIANT, $this->profession);
    }
}