PocketMine-MP/src/inventory/PlayerInventory.php
2020-01-22 11:55:03 +00:00

126 lines
3.4 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;
use pocketmine\entity\Human;
use pocketmine\item\Item;
use pocketmine\player\Player;
class PlayerInventory extends BaseInventory{
/** @var Human */
protected $holder;
/** @var int */
protected $itemInHandIndex = 0;
public function __construct(Human $player){
$this->holder = $player;
parent::__construct(36);
}
public function isHotbarSlot(int $slot) : bool{
return $slot >= 0 and $slot <= $this->getHotbarSize();
}
/**
* @throws \InvalidArgumentException
*/
private function throwIfNotHotbarSlot(int $slot) : void{
if(!$this->isHotbarSlot($slot)){
throw new \InvalidArgumentException("$slot is not a valid hotbar slot index (expected 0 - " . ($this->getHotbarSize() - 1) . ")");
}
}
/**
* Returns the item in the specified hotbar slot.
*
* @throws \InvalidArgumentException if the hotbar slot index is out of range
*/
public function getHotbarSlotItem(int $hotbarSlot) : Item{
$this->throwIfNotHotbarSlot($hotbarSlot);
return $this->getItem($hotbarSlot);
}
/**
* Returns the hotbar slot number the holder is currently holding.
*/
public function getHeldItemIndex() : int{
return $this->itemInHandIndex;
}
/**
* Sets which hotbar slot the player is currently loading.
*
* @param int $hotbarSlot 0-8 index of the hotbar slot to hold
* @param bool $send Whether to send updates back to the inventory holder. This should usually be true for plugin calls.
* It should only be false to prevent feedback loops of equipment packets between client and server.
*
* @throws \InvalidArgumentException if the hotbar slot is out of range
*/
public function setHeldItemIndex(int $hotbarSlot, bool $send = true) : void{
$this->throwIfNotHotbarSlot($hotbarSlot);
$this->itemInHandIndex = $hotbarSlot;
if($this->holder instanceof Player and $send){
$this->holder->getNetworkSession()->getInvManager()->syncSelectedHotbarSlot();
}
foreach($this->holder->getViewers() as $viewer){
$viewer->getNetworkSession()->onMobEquipmentChange($this->holder);
}
}
/**
* Returns the currently-held item.
*/
public function getItemInHand() : Item{
return $this->getHotbarSlotItem($this->itemInHandIndex);
}
/**
* Sets the item in the currently-held slot to the specified item.
*/
public function setItemInHand(Item $item) : void{
$this->setItem($this->getHeldItemIndex(), $item);
foreach($this->holder->getViewers() as $viewer){
$viewer->getNetworkSession()->onMobEquipmentChange($this->holder);
}
}
/**
* Returns the number of slots in the hotbar.
*/
public function getHotbarSize() : int{
return 9;
}
/**
* @return Human|Player
*/
public function getHolder(){
return $this->holder;
}
}