CraftingDataCache.php

<?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 pmmp\encoding\BE;
use pocketmine\crafting\CraftingManager;
use pocketmine\crafting\FurnaceType;
use pocketmine\crafting\ShapedRecipe;
use pocketmine\crafting\ShapelessRecipe;
use pocketmine\crafting\ShapelessRecipeType;
use pocketmine\network\mcpe\convert\TypeConverter;
use pocketmine\network\mcpe\protocol\CraftingDataPacket;
use pocketmine\network\mcpe\protocol\types\recipe\CraftingRecipeBlockName;
use pocketmine\network\mcpe\protocol\types\recipe\FurnaceRecipeBlockName;
use pocketmine\network\mcpe\protocol\types\recipe\IntIdMetaItemDescriptor;
use pocketmine\network\mcpe\protocol\types\recipe\PotionContainerChangeRecipe as ProtocolPotionContainerChangeRecipe;
use pocketmine\network\mcpe\protocol\types\recipe\PotionTypeRecipe as ProtocolPotionTypeRecipe;
use pocketmine\network\mcpe\protocol\types\recipe\RecipeUnlockingRequirement;
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\AssumptionFailedError;
use pocketmine\utils\SingletonTrait;
use Ramsey\Uuid\Uuid;
use function array_map;
use function spl_object_id;
 
final class CraftingDataCache{
    use SingletonTrait;
 
    private array $caches = [];
 
    public const RECIPE_ID_OFFSET = 1;
 
    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];
    }
 
    private function buildCraftingDataCache(CraftingManager $manager) : CraftingDataPacket{
        Timings::$craftingDataCacheRebuild->startTiming();
 
        $nullUUID = Uuid::fromString(Uuid::NIL);
        $converter = TypeConverter::getInstance();
        $recipesWithTypeIds = [];
 
        $noUnlockingRequirement = new RecipeUnlockingRequirement(null);
        $recipeNetId = self::RECIPE_ID_OFFSET;
        foreach($manager->getCraftingRecipeIndex() as $index => $recipe){
            //the client doesn't like recipes with an ID of 0, so we need to offset them
            $recipeNetId = $index + self::RECIPE_ID_OFFSET;
            if($recipe instanceof ShapelessRecipe){
                $typeTag = match($recipe->getType()){
                    ShapelessRecipeType::CRAFTING => CraftingRecipeBlockName::CRAFTING_TABLE,
                    ShapelessRecipeType::STONECUTTER => CraftingRecipeBlockName::STONECUTTER,
                    ShapelessRecipeType::CARTOGRAPHY => CraftingRecipeBlockName::CARTOGRAPHY_TABLE,
                    ShapelessRecipeType::SMITHING => CraftingRecipeBlockName::SMITHING_TABLE,
                };
                $recipesWithTypeIds[] = new ProtocolShapelessRecipe(
                    CraftingDataPacket::ENTRY_SHAPELESS,
                    BE::packUnsignedInt($recipeNetId), //TODO: this should probably be changed to something human-readable
                    array_map($converter->coreRecipeIngredientToNet(...), $recipe->getIngredientList()),
                    array_map($converter->coreItemStackToNet(...), $recipe->getResults()),
                    $nullUUID,
                    $typeTag,
                    50,
                    $noUnlockingRequirement,
                    $recipeNetId
                );
            }elseif($recipe instanceof ShapedRecipe){
                $inputs = [];
 
                for($row = 0, $height = $recipe->getHeight(); $row < $height; ++$row){
                    for($column = 0, $width = $recipe->getWidth(); $column < $width; ++$column){
                        $inputs[$row][$column] = $converter->coreRecipeIngredientToNet($recipe->getIngredient($column, $row));
                    }
                }
                $recipesWithTypeIds[] = $r = new ProtocolShapedRecipe(
                    CraftingDataPacket::ENTRY_SHAPED,
                    BE::packUnsignedInt($recipeNetId), //TODO: this should probably be changed to something human-readable
                    $inputs,
                    array_map($converter->coreItemStackToNet(...), $recipe->getResults()),
                    $nullUUID,
                    CraftingRecipeBlockName::CRAFTING_TABLE,
                    50,
                    true,
                    $noUnlockingRequirement,
                    $recipeNetId,
                );
            }else{
                //TODO: probably special recipe types
            }
        }
 
        foreach(FurnaceType::cases() as $furnaceType){
            $typeTag = match($furnaceType){
                FurnaceType::FURNACE => FurnaceRecipeBlockName::FURNACE,
                FurnaceType::BLAST_FURNACE => FurnaceRecipeBlockName::BLAST_FURNACE,
                FurnaceType::SMOKER => FurnaceRecipeBlockName::SMOKER,
                FurnaceType::CAMPFIRE => FurnaceRecipeBlockName::CAMPFIRE,
                FurnaceType::SOUL_CAMPFIRE => FurnaceRecipeBlockName::SOUL_CAMPFIRE
            };
            $recipeNetId++;
            foreach($manager->getFurnaceRecipeManager($furnaceType)->getAll() as $recipe){
                $recipesWithTypeIds[] = new ProtocolShapelessRecipe(
                    CraftingDataPacket::ENTRY_SHAPELESS,
                    BE::packUnsignedInt($recipeNetId), //TODO: this should probably be changed to something human-readable
                    [$converter->coreRecipeIngredientToNet($recipe->getInput())],
                    [$converter->coreItemStackToNet($recipe->getResult())],
                    $nullUUID,
                    $typeTag,
                    50,
                    $noUnlockingRequirement,
                    $recipeNetId //not used, but we need to fill them with something unique regardless
                );
            }
        }
 
        $potionTypeRecipes = [];
        foreach($manager->getPotionTypeRecipes() as $recipe){
            $input = $converter->coreRecipeIngredientToNet($recipe->getInput())->getDescriptor();
            $ingredient = $converter->coreRecipeIngredientToNet($recipe->getIngredient())->getDescriptor();
            if(!$input instanceof IntIdMetaItemDescriptor || !$ingredient instanceof IntIdMetaItemDescriptor){
                throw new AssumptionFailedError();
            }
            $output = $converter->coreItemStackToNet($recipe->getOutput());
            $potionTypeRecipes[] = new ProtocolPotionTypeRecipe(
                $input->getId(),
                $input->getMeta(),
                $ingredient->getId(),
                $ingredient->getMeta(),
                $output->getId(),
                $output->getMeta()
            );
        }
 
        $potionContainerChangeRecipes = [];
        $itemTypeDictionary = $converter->getItemTypeDictionary();
        foreach($manager->getPotionContainerChangeRecipes() as $recipe){
            $input = $itemTypeDictionary->fromStringId($recipe->getInputItemId());
            $ingredient = $converter->coreRecipeIngredientToNet($recipe->getIngredient())->getDescriptor();
            if(!$ingredient instanceof IntIdMetaItemDescriptor){
                throw new AssumptionFailedError();
            }
            $output = $itemTypeDictionary->fromStringId($recipe->getOutputItemId());
            $potionContainerChangeRecipes[] = new ProtocolPotionContainerChangeRecipe(
                $input,
                $ingredient->getId(),
                $output
            );
        }
 
        Timings::$craftingDataCacheRebuild->stopTiming();
        return CraftingDataPacket::create($recipesWithTypeIds, $potionTypeRecipes, $potionContainerChangeRecipes, [], true);
    }
}