NetworkNbtSerializer.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\serializer;
 
use pocketmine\nbt\BaseNbtSerializer;
use pocketmine\nbt\NbtDataException;
use function count;
use function strlen;
 
class NetworkNbtSerializer extends BaseNbtSerializer{
 
    public function readShort() : int{
        return $this->buffer->getLShort();
    }
 
    public function readSignedShort() : int{
        return $this->buffer->getSignedLShort();
    }
 
    public function writeShort(int $v) : void{
        $this->buffer->putLShort($v);
    }
 
    public function readInt() : int{
        return $this->buffer->getVarInt();
    }
 
    public function writeInt(int $v) : void{
        $this->buffer->putVarInt($v);
    }
 
    public function readLong() : int{
        return $this->buffer->getVarLong();
    }
 
    public function writeLong(int $v) : void{
        $this->buffer->putVarLong($v);
    }
 
    public function readString() : string{
        return $this->buffer->get(self::checkReadStringLength($this->buffer->getUnsignedVarInt()));
    }
 
    public function writeString(string $v) : void{
        $this->buffer->putUnsignedVarInt(self::checkWriteStringLength(strlen($v)));
        $this->buffer->put($v);
    }
 
    public function readFloat() : float{
        return $this->buffer->getLFloat();
    }
 
    public function writeFloat(float $v) : void{
        $this->buffer->putLFloat($v);
    }
 
    public function readDouble() : float{
        return $this->buffer->getLDouble();
    }
 
    public function writeDouble(float $v) : void{
        $this->buffer->putLDouble($v);
    }
 
    public function readIntArray() : array{
        $len = $this->readInt(); //varint
        if($len < 0){
            throw new NbtDataException("Array length cannot be less than zero ($len < 0)");
        }
        $ret = [];
        for($i = 0; $i < $len; ++$i){
            $ret[] = $this->readInt(); //varint
        }
 
        return $ret;
    }
 
    public function writeIntArray(array $array) : void{
        $this->writeInt(count($array)); //varint
        foreach($array as $v){
            $this->writeInt($v); //varint
        }
    }
}