mirror of
https://github.com/pmmp/PocketMine-MP.git
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89 lines
2.5 KiB
PHP
89 lines
2.5 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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* @link http://www.pocketmine.net/
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*
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*
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*/
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declare(strict_types=1);
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namespace pocketmine\level\format\io\region;
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use function range;
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class RegionLocationTableEntry{
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/** @var int */
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private $firstSector;
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/** @var int */
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private $sectorCount;
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/** @var int */
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private $timestamp;
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/**
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* @throws \InvalidArgumentException
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*/
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public function __construct(int $firstSector, int $sectorCount, int $timestamp){
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if($firstSector < 0){
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throw new \InvalidArgumentException("Start sector must be positive, got $firstSector");
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}
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$this->firstSector = $firstSector;
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if($sectorCount < 1 or $sectorCount > 255){
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throw new \InvalidArgumentException("Sector count must be in range 1...255, got $sectorCount");
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}
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$this->sectorCount = $sectorCount;
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$this->timestamp = $timestamp;
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}
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public function getFirstSector() : int{
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return $this->firstSector;
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}
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public function getLastSector() : int{
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return $this->firstSector + $this->sectorCount - 1;
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}
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/**
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* Returns an array of sector offsets reserved by this chunk.
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* @return int[]
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*/
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public function getUsedSectors() : array{
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return range($this->getFirstSector(), $this->getLastSector());
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}
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public function getSectorCount() : int{
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return $this->sectorCount;
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}
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public function getTimestamp() : int{
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return $this->timestamp;
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}
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public function overlaps(RegionLocationTableEntry $other) : bool{
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$overlapCheck = static function(RegionLocationTableEntry $entry1, RegionLocationTableEntry $entry2) : bool{
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$entry1Last = $entry1->getLastSector();
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$entry2Last = $entry2->getLastSector();
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return (
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($entry2->firstSector >= $entry1->firstSector and $entry2->firstSector <= $entry1Last) or
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($entry2Last >= $entry1->firstSector and $entry2Last <= $entry1Last)
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);
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};
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return $overlapCheck($this, $other) or $overlapCheck($other, $this);
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}
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}
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