InventorySlotPacket.php

<?php
 
/*
 * This file is part of BedrockProtocol.
 * Copyright (C) 2014-2022 PocketMine Team <https://github.com/pmmp/BedrockProtocol>
 *
 * BedrockProtocol 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.
 */
 
declare(strict_types=1);
 
namespace pocketmine\network\mcpe\protocol;
 
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\VarInt;
use pocketmine\network\mcpe\protocol\serializer\CommonTypes;
use pocketmine\network\mcpe\protocol\types\inventory\FullContainerName;
use pocketmine\network\mcpe\protocol\types\inventory\ItemStackWrapper;
 
class InventorySlotPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::INVENTORY_SLOT_PACKET;
 
    public int $windowId;
    public int $inventorySlot;
    public ?FullContainerName $containerName;
    public ?ItemStackWrapper $storage;
    public ItemStackWrapper $item;
 
    public static function create(int $windowId, int $inventorySlot, ?FullContainerName $containerName, ?ItemStackWrapper $storage, ItemStackWrapper $item) : self{
        $result = new self;
        $result->windowId = $windowId;
        $result->inventorySlot = $inventorySlot;
        $result->containerName = $containerName;
        $result->storage = $storage;
        $result->item = $item;
        return $result;
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->windowId = VarInt::readUnsignedInt($in);
        $this->inventorySlot = VarInt::readUnsignedInt($in);
        $this->containerName = CommonTypes::readOptional($in, FullContainerName::read(...));
        $this->storage = CommonTypes::readOptional($in, CommonTypes::getNetworkItemStackDescriptor(...));
        $this->item = CommonTypes::getNetworkItemStackDescriptor($in);
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        VarInt::writeUnsignedInt($out, $this->windowId);
        VarInt::writeUnsignedInt($out, $this->inventorySlot);
        CommonTypes::writeOptional($out, $this->containerName, fn(ByteBufferWriter $out, FullContainerName $v) => $v->write($out));
        CommonTypes::writeOptional($out, $this->storage, CommonTypes::putNetworkItemStackDescriptor(...));
        CommonTypes::putNetworkItemStackDescriptor($out, $this->item);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleInventorySlot($this);
    }
}