Added internal support for tag recipe ingredients

src/crafting/CraftingManagerFromDataHelper.php

@@ -52,14 +52,14 @@ use function json_decode;
 final class CraftingManagerFromDataHelper{
 
 	private static function deserializeIngredient(RecipeIngredientData $data) : ?RecipeIngredient{
-		if(!isset($data->name)){
-			return null; //TODO: not yet implemented
-		}
 		if(isset($data->count) && $data->count !== 1){
 			//every case we've seen so far where this isn't the case, it's been a bug and the count was ignored anyway
 			//e.g. gold blocks crafted from 9 ingots, but each input item individually had a count of 9
 			throw new SavedDataLoadingException("Recipe inputs should have a count of exactly 1");
 		}
+		if(isset($data->tag)){
+			return new TagWildcardRecipeIngredient($data->tag);
+		}
 
 		$meta = $data->meta ?? null;
 		if($meta === RecipeIngredientData::WILDCARD_META_VALUE){

src/crafting/TagWildcardRecipeIngredient.php

@@ -0,0 +1,55 @@
+<?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\crafting;
+
+use pocketmine\data\bedrock\ItemTagToIdMap;
+use pocketmine\item\Item;
+use pocketmine\world\format\io\GlobalItemDataHandlers;
+
+/**
+ * Recipe ingredient that matches items whose ID falls within a specific set. This is used for magic meta value
+ * wildcards and also for ingredients which use item tags (since tags implicitly rely on ID only).
+ *
+ * @internal
+ */
+final class TagWildcardRecipeIngredient implements RecipeIngredient{
+
+	public function __construct(
+		private string $tagName
+	){}
+
+	public function getTagName() : string{ return $this->tagName; }
+
+	public function accepts(Item $item) : bool{
+		if($item->getCount() < 1){
+			return false;
+		}
+
+		return ItemTagToIdMap::getInstance()->tagContainsId($this->tagName, GlobalItemDataHandlers::getSerializer()->serializeType($item)->getName());
+	}
+
+	public function __toString() : string{
+		return "TagWildcardRecipeIngredient($this->tagName)";
+	}
+}