ItemIdMetaUpgrader.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\data\bedrock\item\upgrade;
 
use function ksort;
use const SORT_NUMERIC;
 
final class ItemIdMetaUpgrader{
 
    private array $idMetaUpgradeSchemas = [];
 
    public function __construct(
        array $idMetaUpgradeSchemas,
    ){
        foreach($idMetaUpgradeSchemas as $schema){
            $this->addSchema($schema);
        }
    }
 
    public function addSchema(ItemIdMetaUpgradeSchema $schema) : void{
        if(isset($this->idMetaUpgradeSchemas[$schema->getSchemaId()])){
            throw new \InvalidArgumentException("Already have a schema with priority " . $schema->getSchemaId());
        }
        $this->idMetaUpgradeSchemas[$schema->getSchemaId()] = $schema;
        ksort($this->idMetaUpgradeSchemas, SORT_NUMERIC);
    }
 
    public function getSchemas() : array{ return $this->idMetaUpgradeSchemas; }
 
    public function upgrade(string $id, int $meta) : array{
        $newId = $id;
        $newMeta = $meta;
        foreach($this->idMetaUpgradeSchemas as $schema){
            if(($remappedMetaId = $schema->remapMeta($newId, $newMeta)) !== null){
                $newId = $remappedMetaId;
                $newMeta = 0;
            }elseif(($renamedId = $schema->renameId($newId)) !== null){
                $newId = $renamedId;
            }
        }
 
        return [$newId, $newMeta];
    }
}