mirror of
https://github.com/pmmp/PocketMine-MP.git
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102 lines
3.3 KiB
PHP
102 lines
3.3 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\item\upgrade;
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use pocketmine\utils\AssumptionFailedError;
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use pocketmine\utils\SingletonTrait;
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use pocketmine\utils\Utils;
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use Symfony\Component\Filesystem\Path;
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use function file_get_contents;
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use function is_array;
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use function is_string;
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use function json_decode;
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use function mb_strtolower;
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use const pocketmine\BEDROCK_ITEM_UPGRADE_SCHEMA_PATH;
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/**
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* Maps all known 1.12 and lower item IDs to their respective block IDs, where appropriate.
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* If an item ID does not have a corresponding 1.12 block ID, assume the item is not a blockitem.
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*
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* This is only needed for deserializing blockitems from 1.8 and lower (or 1.12 and lower in the case of PM). In 1.9 and
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* above, the blockstate NBT is stored in the itemstack NBT, and the item ID is not used.
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*/
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final class R12ItemIdToBlockIdMap{
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use SingletonTrait;
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private static function make() : self{
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$map = json_decode(
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Utils::assumeNotFalse(file_get_contents(Path::join(BEDROCK_ITEM_UPGRADE_SCHEMA_PATH, '1.12.0_item_id_to_block_id_map.json')), "Missing required resource file"),
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associative: true,
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flags: JSON_THROW_ON_ERROR
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);
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if(!is_array($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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$builtMap = [];
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foreach($map as $itemId => $blockId){
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if(!is_string($itemId)){
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throw new AssumptionFailedError("Invalid blockitem ID mapping table, expected string as key");
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}
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if(!is_string($blockId)){
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throw new AssumptionFailedError("Invalid blockitem ID mapping table, expected string as value");
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}
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$builtMap[$itemId] = $blockId;
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}
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return new self($builtMap);
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}
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/**
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* @var string[]
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* @phpstan-var array<string, string>
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*/
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private array $itemToBlock = [];
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/**
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* @var string[]
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* @phpstan-var array<string, string>
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*/
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private array $blockToItem = [];
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/**
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* @param string[] $itemToBlock
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* @phpstan-param array<string, string> $itemToBlock
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*/
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public function __construct(array $itemToBlock){
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foreach(Utils::stringifyKeys($itemToBlock) as $itemId => $blockId){
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$this->itemToBlock[mb_strtolower($itemId, 'US-ASCII')] = $blockId;
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$this->blockToItem[mb_strtolower($blockId, 'US-ASCII')] = $itemId;
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}
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}
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public function itemIdToBlockId(string $itemId) : ?string{
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return $this->itemToBlock[mb_strtolower($itemId, 'US-ASCII')] ?? null;
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}
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public function blockIdToItemId(string $blockId) : ?string{
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//we don't need this for any functionality, but it might be nice to have for debugging
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return $this->blockToItem[mb_strtolower($blockId, 'US-ASCII')] ?? null;
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}
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}
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