<?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\block;

class DetectorRail extends BaseRail{
	protected bool $activated = false;

	public function isActivated() : bool{ return $this->activated; }

	/** @return $this */
	public function setActivated(bool $activated) : self{
		$this->activated = $activated;
		return $this;
	}

	protected function readRailShapeFromMeta(int $stateMeta) : ?int{
		$stateMeta &= ~BlockLegacyMetadata::REDSTONE_RAIL_FLAG_POWERED;
		return isset(self::CONNECTIONS[$stateMeta]) ? $stateMeta : null;
	}

	protected function writeStateToMeta() : int{
		return parent::writeStateToMeta() | ($this->activated ? BlockLegacyMetadata::REDSTONE_RAIL_FLAG_POWERED : 0);
	}

	public function readStateFromData(int $id, int $stateMeta) : void{
		parent::readStateFromData($id, $stateMeta);
		$this->activated = ($stateMeta & BlockLegacyMetadata::REDSTONE_RAIL_FLAG_POWERED) !== 0;
	}

	protected function getCurrentShapeConnections() : array{
		return self::CONNECTIONS[$this->railShape];
	}

	//TODO
}