PocketMine-MP/src/pocketmine/level/format/io/region/RegionLocationTableEntry.php
2019-03-05 13:10:17 +00:00

99 lines
2.2 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\level\format\io\region;
use function range;
class RegionLocationTableEntry{
/** @var int */
private $firstSector;
/** @var int */
private $sectorCount;
/** @var int */
private $timestamp;
/**
* @param int $firstSector
* @param int $sectorCount
* @param int $timestamp
*
* @throws \InvalidArgumentException
*/
public function __construct(int $firstSector, int $sectorCount, int $timestamp){
if($firstSector < 0){
throw new \InvalidArgumentException("Start sector must be positive, got $firstSector");
}
$this->firstSector = $firstSector;
if($sectorCount < 0 or $sectorCount > 255){
throw new \InvalidArgumentException("Sector count must be in range 0...255, got $sectorCount");
}
$this->sectorCount = $sectorCount;
$this->timestamp = $timestamp;
}
/**
* @return int
*/
public function getFirstSector() : int{
return $this->firstSector;
}
/**
* @return int
*/
public function getLastSector() : int{
return $this->firstSector + $this->sectorCount - 1;
}
/**
* Returns an array of sector offsets reserved by this chunk.
* @return int[]
*/
public function getUsedSectors() : array{
return range($this->getFirstSector(), $this->getLastSector());
}
/**
* @return int
*/
public function getSectorCount() : int{
return $this->sectorCount;
}
/**
* @return int
*/
public function getTimestamp() : int{
return $this->timestamp;
}
/**
* @return bool
*/
public function isNull() : bool{
return $this->firstSector === 0 or $this->sectorCount === 0;
}
}