Relocate cache-related classes to mcpe\cache namespace

src/network/mcpe/cache/CraftingDataCache.php

@@ -0,0 +1,132 @@
+<?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\network\mcpe\cache;
+
+use pocketmine\crafting\CraftingManager;
+use pocketmine\item\Item;
+use pocketmine\network\mcpe\convert\TypeConverter;
+use pocketmine\network\mcpe\protocol\CraftingDataPacket;
+use pocketmine\network\mcpe\protocol\types\inventory\ItemStack;
+use pocketmine\network\mcpe\protocol\types\recipe\FurnaceRecipe as ProtocolFurnaceRecipe;
+use pocketmine\network\mcpe\protocol\types\recipe\RecipeIngredient;
+use pocketmine\network\mcpe\protocol\types\recipe\ShapedRecipe as ProtocolShapedRecipe;
+use pocketmine\network\mcpe\protocol\types\recipe\ShapelessRecipe as ProtocolShapelessRecipe;
+use pocketmine\timings\Timings;
+use pocketmine\utils\Binary;
+use pocketmine\utils\SingletonTrait;
+use pocketmine\uuid\UUID;
+use function array_map;
+use function spl_object_id;
+use function str_repeat;
+
+final class CraftingDataCache{
+	use SingletonTrait;
+
+	/**
+	 * @var CraftingDataPacket[]
+	 * @phpstan-var array<int, CraftingDataPacket>
+	 */
+	private $caches = [];
+
+	public function getCache(CraftingManager $manager) : CraftingDataPacket{
+		$id = spl_object_id($manager);
+		if(!isset($this->caches[$id])){
+			$manager->getDestructorCallbacks()->add(function() use ($id) : void{
+				unset($this->caches[$id]);
+			});
+			$manager->getRecipeRegisteredCallbacks()->add(function() use ($id) : void{
+				unset($this->caches[$id]);
+			});
+			$this->caches[$id] = $this->buildCraftingDataCache($manager);
+		}
+		return $this->caches[$id];
+	}
+
+	/**
+	 * Rebuilds the cached CraftingDataPacket.
+	 */
+	private function buildCraftingDataCache(CraftingManager $manager) : CraftingDataPacket{
+		Timings::$craftingDataCacheRebuildTimer->startTiming();
+		$pk = new CraftingDataPacket();
+		$pk->cleanRecipes = true;
+
+		$counter = 0;
+		$nullUUID = UUID::fromData(str_repeat("\x00", 16));
+		$converter = TypeConverter::getInstance();
+		foreach($manager->getShapelessRecipes() as $list){
+			foreach($list as $recipe){
+				$pk->entries[] = new ProtocolShapelessRecipe(
+					CraftingDataPacket::ENTRY_SHAPELESS,
+					Binary::writeInt($counter++),
+					array_map(function(Item $item) use ($converter) : RecipeIngredient{
+						return $converter->coreItemStackToRecipeIngredient($item);
+					}, $recipe->getIngredientList()),
+					array_map(function(Item $item) use ($converter) : ItemStack{
+						return $converter->coreItemStackToNet($item);
+					}, $recipe->getResults()),
+					$nullUUID,
+					"crafting_table",
+					50,
+					$counter
+				);
+			}
+		}
+		foreach($manager->getShapedRecipes() as $list){
+			foreach($list as $recipe){
+				$inputs = [];
+
+				for($row = 0, $height = $recipe->getHeight(); $row < $height; ++$row){
+					for($column = 0, $width = $recipe->getWidth(); $column < $width; ++$column){
+						$inputs[$row][$column] = $converter->coreItemStackToRecipeIngredient($recipe->getIngredient($column, $row));
+					}
+				}
+				$pk->entries[] = $r = new ProtocolShapedRecipe(
+					CraftingDataPacket::ENTRY_SHAPED,
+					Binary::writeInt($counter++),
+					$inputs,
+					array_map(function(Item $item) use ($converter) : ItemStack{
+						return $converter->coreItemStackToNet($item);
+					}, $recipe->getResults()),
+					$nullUUID,
+					"crafting_table",
+					50,
+					$counter
+				);
+			}
+		}
+
+		foreach($manager->getFurnaceRecipeManager()->getAll() as $recipe){
+			$input = $converter->coreItemStackToNet($recipe->getInput());
+			$pk->entries[] = new ProtocolFurnaceRecipe(
+				CraftingDataPacket::ENTRY_FURNACE_DATA,
+				$input->getId(),
+				$input->getMeta(),
+				$converter->coreItemStackToNet($recipe->getResult()),
+				"furnace"
+			);
+		}
+
+		return $pk;
+	}
+}