InventoryAction.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\transaction\action;
 
use pocketmine\inventory\transaction\TransactionValidationException;
use pocketmine\item\Item;
use pocketmine\player\Player;
 
abstract class InventoryAction{
    public function __construct(
        protected Item $sourceItem,
        protected Item $targetItem
    ){}
 
    public function getSourceItem() : Item{
        return clone $this->sourceItem;
    }
 
    public function getTargetItem() : Item{
        return clone $this->targetItem;
    }
 
    abstract public function validate(Player $source) : void;
 
    public function onPreExecute(Player $source) : bool{
        return true;
    }
 
    abstract public function execute(Player $source) : void;
}