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67 lines
2.1 KiB
PHP
67 lines
2.1 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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* @link http://www.pocketmine.net/
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*
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*
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*/
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declare(strict_types=1);
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namespace pocketmine\data\bedrock;
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use pocketmine\utils\AssumptionFailedError;
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use pocketmine\utils\SingletonTrait;
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use Webmozart\PathUtil\Path;
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use function array_search;
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use function file_get_contents;
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use function is_array;
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use function json_decode;
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use const pocketmine\BEDROCK_DATA_PATH;
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/**
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* Bidirectional map of block IDs to their corresponding blockitem IDs, used for storing items on disk
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*/
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final class BlockItemIdMap{
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use SingletonTrait;
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private static function make() : self{
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$map = json_decode(file_get_contents(Path::join(BEDROCK_DATA_PATH, 'block_id_to_item_id_map.json')), true, flags: JSON_THROW_ON_ERROR);
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if(!is_array($map)){
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throw new AssumptionFailedError("Invalid blockitem ID mapping table, expected array as root type");
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}
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return new self($map);
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}
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/**
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* @param string[] $blockToItemId
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* @phpstan-param array<string, string> $blockToItemId
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*/
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public function __construct(private array $blockToItemId){}
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public function lookupItemId(string $blockId) : ?string{
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return $this->blockToItemId[$blockId] ?? null;
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}
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public function lookupBlockId(string $itemId) : ?string{
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//we don't need this for any functionality, so we're not concerned about performance here
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//however, it might be nice to have for debugging
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$blockId = array_search($itemId, $this->blockToItemId, true);
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return $blockId !== false ? $blockId : null;
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}
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}
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