CreativeContentPacket.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\types\inventory\CreativeGroupEntry;
use pocketmine\network\mcpe\protocol\types\inventory\CreativeItemEntry;
use function count;
 
class CreativeContentPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::CREATIVE_CONTENT_PACKET;
 
    public const CATEGORY_CONSTRUCTION = 1;
    public const CATEGORY_NATURE = 2;
    public const CATEGORY_EQUIPMENT = 3;
    public const CATEGORY_ITEMS = 4;
 
    private array $groups;
    private array $items;
 
    public static function create(array $groups, array $items) : self{
        $result = new self;
        $result->groups = $groups;
        $result->items = $items;
        return $result;
    }
 
    public function getGroups() : array{ return $this->groups; }
 
    public function getItems() : array{ return $this->items; }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->groups = [];
        for($i = 0, $len = VarInt::readUnsignedInt($in); $i < $len; ++$i){
            $this->groups[] = CreativeGroupEntry::read($in);
        }
 
        $this->items = [];
        for($i = 0, $len = VarInt::readUnsignedInt($in); $i < $len; ++$i){
            $this->items[] = CreativeItemEntry::read($in);
        }
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        VarInt::writeUnsignedInt($out, count($this->groups));
        foreach($this->groups as $entry){
            $entry->write($out);
        }
 
        VarInt::writeUnsignedInt($out, count($this->items));
        foreach($this->items as $entry){
            $entry->write($out);
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleCreativeContent($this);
    }
}