CreativeInventory.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\inventory;
 
use pocketmine\crafting\CraftingManagerFromDataHelper;
use pocketmine\data\bedrock\BedrockDataFiles;
use pocketmine\inventory\json\CreativeGroupData;
use pocketmine\item\Item;
use pocketmine\lang\Translatable;
use pocketmine\utils\DestructorCallbackTrait;
use pocketmine\utils\ObjectSet;
use pocketmine\utils\SingletonTrait;
use Symfony\Component\Filesystem\Path;
use function array_filter;
use function array_map;
 
final class CreativeInventory{
    use SingletonTrait;
    use DestructorCallbackTrait;
 
    private array $creative = [];
 
    private ObjectSet $contentChangedCallbacks;
 
    private function __construct(){
        $this->contentChangedCallbacks = new ObjectSet();
 
        foreach([
            "construction" => CreativeCategory::CONSTRUCTION,
            "nature" => CreativeCategory::NATURE,
            "equipment" => CreativeCategory::EQUIPMENT,
            "items" => CreativeCategory::ITEMS,
        ] as $categoryId => $categoryEnum){
            $groups = CraftingManagerFromDataHelper::loadJsonArrayOfObjectsFile(
                Path::join(BedrockDataFiles::CREATIVE, $categoryId . ".json"),
                CreativeGroupData::class
            );
 
            foreach($groups as $groupData){
                $icon = $groupData->group_icon === null ? null : CraftingManagerFromDataHelper::deserializeItemStack($groupData->group_icon);
 
                $group = $icon === null ? null : new CreativeGroup(
                    new Translatable($groupData->group_name),
                    $icon
                );
 
                $items = array_filter(array_map(static fn($itemStack) => CraftingManagerFromDataHelper::deserializeItemStack($itemStack), $groupData->items));
 
                foreach($items as $item){
                    $this->add($item, $categoryEnum, $group);
                }
            }
        }
    }
 
    public function clear() : void{
        $this->creative = [];
        $this->onContentChange();
    }
 
    public function getAll() : array{
        return array_map(fn(CreativeInventoryEntry $entry) => $entry->getItem(), $this->creative);
    }
 
    public function getAllEntries() : array{
        return $this->creative;
    }
 
    public function getItem(int $index) : ?Item{
        return $this->getEntry($index)?->getItem();
    }
 
    public function getEntry(int $index) : ?CreativeInventoryEntry{
        return $this->creative[$index] ?? null;
    }
 
    public function getItemIndex(Item $item) : int{
        foreach($this->creative as $i => $d){
            if($d->matchesItem($item)){
                return $i;
            }
        }
 
        return -1;
    }
 
    public function add(Item $item, CreativeCategory $category = CreativeCategory::ITEMS, ?CreativeGroup $group = null) : void{
        $this->creative[] = new CreativeInventoryEntry($item, $category, $group);
        $this->onContentChange();
    }
 
    public function remove(Item $item) : void{
        $index = $this->getItemIndex($item);
        if($index !== -1){
            unset($this->creative[$index]);
            $this->onContentChange();
        }
    }
 
    public function contains(Item $item) : bool{
        return $this->getItemIndex($item) !== -1;
    }
 
    public function getContentChangedCallbacks() : ObjectSet{
        return $this->contentChangedCallbacks;
    }
 
    private function onContentChange() : void{
        foreach($this->contentChangedCallbacks as $callback){
            $callback();
        }
    }
}