do not hardcode data deserialization into CraftingManager

src/Server.php

@@ -33,6 +33,7 @@ use pocketmine\command\ConsoleCommandSender;
 use pocketmine\command\PluginIdentifiableCommand;
 use pocketmine\command\SimpleCommandMap;
 use pocketmine\crafting\CraftingManager;
+use pocketmine\crafting\CraftingManagerFromDataHelper;
 use pocketmine\event\HandlerListManager;
 use pocketmine\event\player\PlayerDataSaveEvent;
 use pocketmine\event\server\CommandEvent;
@@ -984,7 +985,7 @@ class Server{
 			Enchantment::init();
 			Biome::init();
 
-			$this->craftingManager = new CraftingManager();
+			$this->craftingManager = CraftingManagerFromDataHelper::make(\pocketmine\RESOURCE_PATH . '/vanilla/recipes.json');
 
 			$this->resourceManager = new ResourcePackManager($this->getDataPath() . "resource_packs" . DIRECTORY_SEPARATOR, $this->logger);
 

src/crafting/CraftingManager.php

@@ -38,13 +38,10 @@ use pocketmine\timings\Timings;
 use pocketmine\utils\Binary;
 use pocketmine\utils\UUID;
 use function array_map;
-use function file_get_contents;
-use function json_decode;
 use function json_encode;
 use function spl_object_id;
 use function str_repeat;
 use function usort;
-use const DIRECTORY_SEPARATOR;
 
 class CraftingManager{
 	/** @var ShapedRecipe[][] */
@@ -57,50 +54,6 @@ class CraftingManager{
 	/** @var CompressBatchPromise[] */
 	private $craftingDataCaches = [];
 
-	public function __construct(){
-		$this->init();
-	}
-
-	public function init() : void{
-		$recipes = json_decode(file_get_contents(\pocketmine\RESOURCE_PATH . "vanilla" . DIRECTORY_SEPARATOR . "recipes.json"), true);
-
-		$itemDeserializerFunc = \Closure::fromCallable([Item::class, 'jsonDeserialize']);
-		foreach($recipes as $recipe){
-			switch($recipe["type"]){
-				case "shapeless":
-					if($recipe["block"] !== "crafting_table"){ //TODO: filter others out for now to avoid breaking economics
-						break;
-					}
-					$this->registerShapelessRecipe(new ShapelessRecipe(
-						array_map($itemDeserializerFunc, $recipe["input"]),
-						array_map($itemDeserializerFunc, $recipe["output"])
-					));
-					break;
-				case "shaped":
-					if($recipe["block"] !== "crafting_table"){ //TODO: filter others out for now to avoid breaking economics
-						break;
-					}
-					$this->registerShapedRecipe(new ShapedRecipe(
-						$recipe["shape"],
-						array_map($itemDeserializerFunc, $recipe["input"]),
-						array_map($itemDeserializerFunc, $recipe["output"])
-					));
-					break;
-				case "smelting":
-					if($recipe["block"] !== "furnace"){ //TODO: filter others out for now to avoid breaking economics
-						break;
-					}
-					$this->registerFurnaceRecipe(new FurnaceRecipe(
-						Item::jsonDeserialize($recipe["output"]),
-						Item::jsonDeserialize($recipe["input"]))
-					);
-					break;
-				default:
-					break;
-			}
-		}
-	}
-
 	/**
 	 * Rebuilds the cached CraftingDataPacket.
 	 */

src/crafting/CraftingManagerFromDataHelper.php

@@ -0,0 +1,75 @@
+<?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\item\Item;
+use function array_map;
+use function file_get_contents;
+use function json_decode;
+
+final class CraftingManagerFromDataHelper{
+
+	public static function make(string $filePath) : CraftingManager{
+		$recipes = json_decode(file_get_contents($filePath), true);
+		$result = new CraftingManager();
+
+		$itemDeserializerFunc = \Closure::fromCallable([Item::class, 'jsonDeserialize']);
+		foreach($recipes as $recipe){
+			switch($recipe["type"]){
+				case "shapeless":
+					if($recipe["block"] !== "crafting_table"){ //TODO: filter others out for now to avoid breaking economics
+						break;
+					}
+					$result->registerShapelessRecipe(new ShapelessRecipe(
+						array_map($itemDeserializerFunc, $recipe["input"]),
+						array_map($itemDeserializerFunc, $recipe["output"])
+					));
+					break;
+				case "shaped":
+					if($recipe["block"] !== "crafting_table"){ //TODO: filter others out for now to avoid breaking economics
+						break;
+					}
+					$result->registerShapedRecipe(new ShapedRecipe(
+						$recipe["shape"],
+						array_map($itemDeserializerFunc, $recipe["input"]),
+						array_map($itemDeserializerFunc, $recipe["output"])
+					));
+					break;
+				case "smelting":
+					if($recipe["block"] !== "furnace"){ //TODO: filter others out for now to avoid breaking economics
+						break;
+					}
+					$result->registerFurnaceRecipe(new FurnaceRecipe(
+						Item::jsonDeserialize($recipe["output"]),
+						Item::jsonDeserialize($recipe["input"]))
+					);
+					break;
+				default:
+					break;
+			}
+		}
+
+		return $result;
+	}
+}