EnchantCommand.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\command\defaults;
 
use pocketmine\command\CommandSender;
use pocketmine\command\utils\InvalidCommandSyntaxException;
use pocketmine\item\enchantment\EnchantingHelper;
use pocketmine\item\enchantment\EnchantmentInstance;
use pocketmine\item\enchantment\StringToEnchantmentParser;
use pocketmine\lang\KnownTranslationFactory;
use pocketmine\permission\DefaultPermissionNames;
use function count;
 
class EnchantCommand extends VanillaCommand{
 
    public function __construct(string $namespace, string $name){
        parent::__construct(
            $namespace,
            $name,
            KnownTranslationFactory::pocketmine_command_enchant_description(),
            KnownTranslationFactory::commands_enchant_usage()
        );
        $this->setPermissions([
            DefaultPermissionNames::COMMAND_ENCHANT_SELF,
            DefaultPermissionNames::COMMAND_ENCHANT_OTHER
        ]);
    }
 
    public function execute(CommandSender $sender, string $commandLabel, array $args){
        if(count($args) < 2){
            throw new InvalidCommandSyntaxException();
        }
 
        $player = $this->fetchPermittedPlayerTarget($commandLabel, $sender, $args[0], DefaultPermissionNames::COMMAND_ENCHANT_SELF, DefaultPermissionNames::COMMAND_ENCHANT_OTHER);
        if($player === null){
            return true;
        }
 
        $item = $player->getMainHandItem();
 
        if($item->isNull()){
            $sender->sendMessage(KnownTranslationFactory::commands_enchant_noItem());
            return true;
        }
 
        $enchantment = StringToEnchantmentParser::getInstance()->parse($args[1]);
        if($enchantment === null){
            $sender->sendMessage(KnownTranslationFactory::commands_enchant_notFound($args[1]));
            return true;
        }
 
        $level = 1;
        if(isset($args[2])){
            $level = $this->getBoundedInt($sender, $args[2], 1, $enchantment->getMaxLevel());
            if($level === null){
                return false;
            }
        }
 
        //this is necessary to deal with enchanted books, which are a different item type than regular books
        $enchantedItem = EnchantingHelper::enchantItem($item, [new EnchantmentInstance($enchantment, $level)]);
        $player->setMainHandItem($enchantedItem);
 
        self::broadcastCommandMessage($sender, KnownTranslationFactory::commands_enchant_success($player->getName()));
        return true;
    }
}