StarWrapper.hpp

/*
 * The big star catalogue extension to Stellarium:
 * Author and Copyright: Johannes Gajdosik, 2006, 2007
 *
 * 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 _STARWRAPPER_HPP_
#define _STARWRAPPER_HPP_

#include <QString>
#include "StelObject.hpp"
#include "StelApp.hpp"
#include "StelCore.hpp"
#include "StarMgr.hpp"
#include "Star.hpp"
#include "StelSkyDrawer.hpp"

namespace BigStarCatalogExtension {

template <class Star> class SpecialZoneArray;
template <class Star> struct SpecialZoneData;


class StarWrapperBase : public StelObject
{
protected:
    StarWrapperBase(void) : ref_count(0) {;}
    virtual ~StarWrapperBase(void) {;}
    QString getType(void) const {return "Star";}

    QString getEnglishName(void) const {return "";}
    QString getNameI18n(void) const = 0;

    QString getInfoString(const StelCore *core, const InfoStringGroup& flags) const;
    virtual float getBV(void) const = 0;

private:
    int ref_count;
};

template <class Star> class StarWrapper : public StarWrapperBase
{
protected:
    StarWrapper(const SpecialZoneArray<Star> *a,
        const SpecialZoneData<Star> *z,
        const Star *s) : a(a), z(z), s(s) {;}
    Vec3d getJ2000EquatorialPos(const StelCore* core) const
    {
        static const double d2000 = 2451545.0;
        Vec3f v;
        s->getJ2000Pos(z, (M_PI/180.)*(0.0001/3600.) * ((core->getJDay()-d2000)/365.25) / a->star_position_scale, v);
        return Vec3d(v[0], v[1], v[2]);
    }
    Vec3f getInfoColor(void) const
    {
        return StelApp::getInstance().getVisionModeNight() ? Vec3f(0.8, 0.0, 0.0) : StelSkyDrawer::indexToColor(s->bV);
    }
    float getVMagnitude(const StelCore* core, bool withExtinction=false) const
    {
        float extinctionMag=0.0; // track magnitude loss
        if (withExtinction && core->getSkyDrawer()->getFlagHasAtmosphere())
        {
        double alt=getAltAzPosApparent(core)[2];
        core->getSkyDrawer()->getExtinction().forward(&alt, &extinctionMag);
        }

        return 0.001f*a->mag_min + s->mag*(0.001f*a->mag_range)/a->mag_steps  + extinctionMag;
    }
    float getSelectPriority(const StelCore* core) const {return getVMagnitude(core, false);}
    float getBV(void) const {return s->getBV();}
    QString getEnglishName(void) const {return QString();}
    QString getNameI18n(void) const {return s->getNameI18n();}
    virtual double getAngularSize(const StelCore*) const {return 0.;}
protected:
    const SpecialZoneArray<Star> *const a;
    const SpecialZoneData<Star> *const z;
    const Star *const s;
};


class StarWrapper1 : public StarWrapper<Star1>
{
public:
    StarWrapper1(const SpecialZoneArray<Star1> *a,
        const SpecialZoneData<Star1> *z,
        const Star1 *s) : StarWrapper<Star1>(a,z,s) {;}

    QString getInfoString(const StelCore *core, const InfoStringGroup& flags) const;
    QString getEnglishName(void) const;
};

class StarWrapper2 : public StarWrapper<Star2>
{
public:
    StarWrapper2(const SpecialZoneArray<Star2> *a,
               const SpecialZoneData<Star2> *z,
               const Star2 *s) : StarWrapper<Star2>(a,z,s) {;}
};

class StarWrapper3 : public StarWrapper<Star3>
{
public:
    StarWrapper3(const SpecialZoneArray<Star3> *a,
               const SpecialZoneData<Star3> *z,
               const Star3 *s) : StarWrapper<Star3>(a,z,s) {;}
};

} // namespace BigStarCatalogExtension

#endif // _STARWRAPPER_HPP_