Enchantment.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\item\enchantment;
 
use DaveRandom\CallbackValidator\CallbackType;
use DaveRandom\CallbackValidator\ParameterType;
use DaveRandom\CallbackValidator\ReturnType;
use pocketmine\lang\Translatable;
use pocketmine\utils\NotCloneable;
use pocketmine\utils\NotSerializable;
use pocketmine\utils\Utils;
 
class Enchantment{
    use NotCloneable;
    use NotSerializable;
 
    private \Closure $minEnchantingPower;
 
    public function __construct(
        private Translatable|string $name,
        private int $rarity,
        private int $maxLevel,
        ?\Closure $minEnchantingPower = null,
        private int $enchantingPowerRange = 50
    ){
        $this->minEnchantingPower = $minEnchantingPower ?? fn(int $level) : int => 1;
 
        Utils::validateCallableSignature(new CallbackType(
            new ReturnType("int"),
            new ParameterType("level", "int")
        ), $this->minEnchantingPower);
    }
 
    public function getName() : Translatable|string{
        return $this->name;
    }
 
    public function getRarity() : int{
        return $this->rarity;
    }
 
    public function getMaxLevel() : int{
        return $this->maxLevel;
    }
 
    public function isCompatibleWith(Enchantment $other) : bool{
        return IncompatibleEnchantmentRegistry::getInstance()->areCompatible($this, $other);
    }
 
    public function getMinEnchantingPower(int $level) : int{
        return ($this->minEnchantingPower)($level);
    }
 
    public function getMaxEnchantingPower(int $level) : int{
        return $this->getMinEnchantingPower($level) + $this->enchantingPowerRange;
    }
}