DoubleChestInventory.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\block\inventory;
 
use pocketmine\inventory\BaseInventory;
use pocketmine\inventory\InventoryHolder;
use pocketmine\item\Item;
use pocketmine\world\sound\ChestCloseSound;
use pocketmine\world\sound\ChestOpenSound;
use pocketmine\world\sound\Sound;
 
class DoubleChestInventory extends BaseInventory implements BlockInventory, InventoryHolder{
    use AnimatedBlockInventoryTrait;
 
    public function __construct(
        private ChestInventory $left,
        private ChestInventory $right
    ){
        $this->holder = $this->left->getHolder();
        parent::__construct();
    }
 
    public function getInventory() : self{
        return $this;
    }
 
    public function getSize() : int{
        return $this->left->getSize() + $this->right->getSize();
    }
 
    public function getItem(int $index) : Item{
        return $index < $this->left->getSize() ? $this->left->getItem($index) : $this->right->getItem($index - $this->left->getSize());
    }
 
    protected function internalSetItem(int $index, Item $item) : void{
        $index < $this->left->getSize() ? $this->left->setItem($index, $item) : $this->right->setItem($index - $this->left->getSize(), $item);
    }
 
    public function getContents(bool $includeEmpty = false) : array{
        $result = $this->left->getContents($includeEmpty);
        $leftSize = $this->left->getSize();
 
        foreach($this->right->getContents($includeEmpty) as $i => $item){
            $result[$i + $leftSize] = $item;
        }
 
        return $result;
    }
 
    protected function internalSetContents(array $items) : void{
        $leftSize = $this->left->getSize();
 
        $leftContents = [];
        $rightContents = [];
 
        foreach($items as $i => $item){
            if($i < $this->left->getSize()){
                $leftContents[$i] = $item;
            }else{
                $rightContents[$i - $leftSize] = $item;
            }
        }
        $this->left->setContents($leftContents);
        $this->right->setContents($rightContents);
    }
 
    protected function getMatchingItemCount(int $slot, Item $test, bool $checkTags) : int{
        $leftSize = $this->left->getSize();
        return $slot < $leftSize ?
            $this->left->getMatchingItemCount($slot, $test, $checkTags) :
            $this->right->getMatchingItemCount($slot - $leftSize, $test, $checkTags);
    }
 
    public function isSlotEmpty(int $index) : bool{
        $leftSize = $this->left->getSize();
        return $index < $leftSize ?
            $this->left->isSlotEmpty($index) :
            $this->right->isSlotEmpty($index - $leftSize);
    }
 
    protected function getOpenSound() : Sound{ return new ChestOpenSound(); }
 
    protected function getCloseSound() : Sound{ return new ChestCloseSound(); }
 
    protected function animateBlock(bool $isOpen) : void{
        $this->left->animateBlock($isOpen);
        $this->right->animateBlock($isOpen);
    }
 
    public function getLeftSide() : ChestInventory{
        return $this->left;
    }
 
    public function getRightSide() : ChestInventory{
        return $this->right;
    }
}