Asterism.hpp

/*
 * Stellarium
 * Copyright (C) 2017 Alexander Wolf
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
 */

#ifndef _ASTERISM_HPP_
#define _ASTERISM_HPP_

#include "StelObject.hpp"
#include "StelUtils.hpp"
#include "StelFader.hpp"
#include "StelSphereGeometry.hpp"
#include "AsterismMgr.hpp"

#include <vector>
#include <QString>
#include <QFont>

class StarMgr;
class StelPainter;

class Asterism : public StelObject
{
    friend class AsterismMgr;
private:
    static const QString ASTERISM_TYPE;
    Asterism();
    ~Asterism();

    // StelObject method to override
    virtual QString getInfoString(const StelCore*, const InfoStringGroup& flags) const;

    virtual QString getType() const {return ASTERISM_TYPE;}
    virtual QString getID() const { return abbreviation; }

    virtual Vec3d getJ2000EquatorialPos(const StelCore*) const {return XYZname;}

    virtual double getAngularSize(const StelCore*) const {Q_ASSERT(0); return 0;} // TODO

    bool read(const QString& record, StarMgr *starMgr);

    void drawName(StelPainter& sPainter) const;

    const Asterism* isStarIn(const StelObject*) const;

    QString getNameI18n() const {return nameI18;}
    QString getEnglishName() const {return englishName;}    
    void drawOptim(StelPainter& sPainter, const StelCore* core, const SphericalCap& viewportHalfspace) const;
    void update(int deltaTime);
    void setFlagLines(const bool b) { lineFader=b; }
    void setFlagRayHelpers(const bool b) { rayHelperFader=b; }
    void setFlagLabels(const bool b) { nameFader=b; }
    bool getFlagLines() const { return lineFader; }
    bool getFlagRayHelpers() const { return rayHelperFader; }
    bool getFlagLabels() const { return nameFader; }

    bool isAsterism() const { return flagAsterism; }

    QString nameI18;
    QString englishName;
    QString abbreviation;   
    QString context;
    Vec3d XYZname;
    Vec3d XYname;
    unsigned int numberOfSegments;
    int typeOfAsterism;
    bool flagAsterism;
    StelObjectP* asterism;

    SphericalCap boundingCap;

    LinearFader lineFader, rayHelperFader, nameFader;

    static Vec3f lineColor;
    static Vec3f rayHelperColor;
    static Vec3f labelColor;
};

#endif // _ASTERISM_HPP_