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StringToItemParser: added lookupAliases() and lookupBlockAliases()

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this permits reverse-lookuping all registered aliases that map to the given item (including properties).
this may be useful for plugins to use for generating configs, instead of using IDs or some godawful hack using getName().
This commit is contained in:
Dylan K. Taylor 2022-11-26 19:32:39 +00:00
parent d03caafc2b
commit b0c6e8d8e0
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1 changed files with 34 additions and 0 deletions
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34
src/item/StringToItemParser.php
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@ -36,6 +36,7 @@ use pocketmine\block\VanillaBlocks as Blocks;
use pocketmine\item\VanillaItems as Items;
use pocketmine\utils\SingletonTrait;
use pocketmine\utils\StringToTParser;
use function array_keys;
/**
* Handles parsing items from strings. This is used to interpret names from the /give command (and others).
@ -1514,6 +1515,18 @@ final class StringToItemParser extends StringToTParser{
$result->register("zombie_spawn_egg", fn() => Items::ZOMBIE_SPAWN_EGG());
}
/**
* @var true[][][]
* @phpstan-var array<int, array<int, array<string, true>>>
*/
private array $reverseMap = [];
public function register(string $alias, \Closure $callback) : void{
parent::register($alias, $callback);
$item = $callback($alias);
$this->reverseMap[$item->getTypeId()][$item->computeTypeData()][$alias] = true;
}
/** @phpstan-param \Closure(string $input) : Block $callback */
public function registerBlock(string $alias, \Closure $callback) : void{
$this->register($alias, fn(string $input) => $callback($input)->asItem());
@ -1522,4 +1535,25 @@ final class StringToItemParser extends StringToTParser{
public function parse(string $input) : ?Item{
return parent::parse($input);
}
/**
* Returns a list of currently registered aliases that resolve to the given item.
*
* @return string[]
* @phpstan-return list<string>
*/
public function lookupAliases(Item $item) : array{
$aliases = $this->reverseMap[$item->getTypeId()][$item->computeTypeData()] ?? [];
return array_keys($aliases);
}
/**
* Returns a list of currently registered aliases that resolve to the item form of the given block.
*
* @return string[]
* @phpstan-return list<string>
*/
public function lookupBlockAliases(Block $block) : array{
return $this->lookupAliases($block->asItem());
}
}