Files
PocketMine-MP/src/inventory/transaction/action/SlotChangeAction.php
2022-08-25 19:27:29 +01:00

93 lines
2.8 KiB
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\Inventory;
use pocketmine\inventory\transaction\InventoryTransaction;
use pocketmine\inventory\transaction\TransactionValidationException;
use pocketmine\item\Item;
use pocketmine\player\Player;
/**
* Represents an action causing a change in an inventory slot.
*/
class SlotChangeAction extends InventoryAction{
public function __construct(
protected Inventory $inventory,
private int $inventorySlot,
Item $sourceItem,
Item $targetItem
){
parent::__construct($sourceItem, $targetItem);
}
/**
* Returns the inventory involved in this action.
*/
public function getInventory() : Inventory{
return $this->inventory;
}
/**
* Returns the slot in the inventory which this action modified.
*/
public function getSlot() : int{
return $this->inventorySlot;
}
/**
* Checks if the item in the inventory at the specified slot is the same as this action's source item.
*
* @throws TransactionValidationException
*/
public function validate(Player $source) : void{
if(!$this->inventory->slotExists($this->inventorySlot)){
throw new TransactionValidationException("Slot does not exist");
}
if(!$this->inventory->getItem($this->inventorySlot)->equalsExact($this->sourceItem)){
throw new TransactionValidationException("Slot does not contain expected original item");
}
if($this->targetItem->getCount() > $this->targetItem->getMaxStackSize()){
throw new TransactionValidationException("Target item exceeds item type max stack size");
}
if($this->targetItem->getCount() > $this->inventory->getMaxStackSize()){
throw new TransactionValidationException("Target item exceeds inventory max stack size");
}
}
/**
* Adds this action's target inventory to the transaction's inventory list.
*/
public function onAddToTransaction(InventoryTransaction $transaction) : void{
$transaction->addInventory($this->inventory);
}
/**
* Sets the item into the target inventory.
*/
public function execute(Player $source) : void{
$this->inventory->setItem($this->inventorySlot, $this->targetItem);
}
}