ExactRecipeIngredient.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\crafting;
 
use pocketmine\item\Item;
 
final class ExactRecipeIngredient implements RecipeIngredient{
 
    public function __construct(private Item $item){
        if($item->isNull()){
            throw new \InvalidArgumentException("Recipe ingredients must not be air items");
        }
        if($item->getCount() !== 1){
            throw new \InvalidArgumentException("Recipe ingredients cannot require count");
        }
        $this->item = clone $item;
    }
 
    public function getItem() : Item{ return clone $this->item; }
 
    public function accepts(Item $item) : bool{
        //client-side, recipe inputs can't actually require NBT
        //but on the PM side, we currently check for it if the input requires it, so we have to continue to do so for
        //the sake of consistency
        return $item->getCount() >= 1 && $this->item->equals($item, true, $this->item->hasNamedTag());
    }
 
    public function __toString() : string{
        return "ExactRecipeIngredient(" . $this->item . ")";
    }
}