Tool.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;
 
use pocketmine\item\enchantment\VanillaEnchantments;
 
abstract class Tool extends Durable{
 
    public function getMaxStackSize() : int{
        return 1;
    }
 
    public function getMiningEfficiency(bool $isCorrectTool) : float{
        $efficiency = 1;
        if($isCorrectTool){
            $efficiency = $this->getBaseMiningEfficiency();
            if(($enchantmentLevel = $this->getEnchantmentLevel(VanillaEnchantments::EFFICIENCY())) > 0){
                $efficiency += ($enchantmentLevel ** 2 + 1);
            }
        }
 
        return $efficiency;
    }
 
    protected function getBaseMiningEfficiency() : float{
        return 1;
    }
}