Files
PocketMine-MP/src/pocketmine/inventory/transaction/action/SlotChangeAction.php

102 lines
2.9 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\item\Item;
use pocketmine\Player;
use function spl_object_hash;
/**
* Represents an action causing a change in an inventory slot.
*/
class SlotChangeAction extends InventoryAction{
/** @var Inventory */
protected $inventory;
/** @var int */
private $inventorySlot;
public function __construct(Inventory $inventory, int $inventorySlot, Item $sourceItem, Item $targetItem){
parent::__construct($sourceItem, $targetItem);
$this->inventory = $inventory;
$this->inventorySlot = $inventorySlot;
}
/**
* 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.
*/
public function isValid(Player $source) : bool{
return (
$this->inventory->slotExists($this->inventorySlot) and
$this->inventory->getItem($this->inventorySlot)->equalsExact($this->sourceItem)
);
}
/**
* 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) : bool{
return $this->inventory->setItem($this->inventorySlot, $this->targetItem, false);
}
/**
* Sends slot changes to other viewers of the inventory. This will not send any change back to the source Player.
*/
public function onExecuteSuccess(Player $source) : void{
$viewers = $this->inventory->getViewers();
unset($viewers[spl_object_hash($source)]);
$this->inventory->sendSlot($this->inventorySlot, $viewers);
}
/**
* Sends the original slot contents to the source player to revert the action.
*/
public function onExecuteFail(Player $source) : void{
$this->inventory->sendSlot($this->inventorySlot, $source);
}
}