deepskyobj.h

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// deepskyobj.h
//
// Copyright (C) 2003, Chris Laurel <claurel@shatters.net>
//
// 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.

#ifndef _CELENGINE_DEEPSKYOBJ_H_
#define _CELENGINE_DEEPSKYOBJ_H_

#include <vector>
#include <string>
#include <iostream>
#include <celutil/basictypes.h>
#include <celmath/vecmath.h>
#include <celmath/quaternion.h>
#include <celengine/glcontext.h>
#include <celengine/parser.h>

extern const float DSO_DEFAULT_ABS_MAGNITUDE;

class Nebula;
class Galaxy;
class OpenCluster;

class DeepSkyObject
{
 public:
    DeepSkyObject();
    virtual ~DeepSkyObject();

    inline uint32 getCatalogNumber() const
    {
        return catalogNumber;
    }
    void setCatalogNumber(uint32);

    Point3d getPosition() const;
    void setPosition(const Point3d&);

    virtual const char* getType() const = 0;
    virtual void setType(const std::string&) = 0;
    virtual size_t getDescription(char* buf, size_t bufLength) const;

    Quatf getOrientation() const;
    void setOrientation(const Quatf&);

    float getRadius() const;
    void setRadius(float);

    float getAbsoluteMagnitude() const;
    void setAbsoluteMagnitude(float);

    std::string getInfoURL() const;
    void setInfoURL(const std::string&);

    virtual bool load(AssociativeArray*, const std::string& resPath);

    virtual void render(const GLContext& context,
                        const Vec3f& offset,
                        const Quatf& viewerOrientation,
                        float brightness,
                        float pixelSize) = 0;

    virtual unsigned int getRenderMask() const { return 0; }
    virtual unsigned int getLabelMask() const { return 0; }

    enum
    {
        InvalidCatalogNumber = 0xffffffff
    };

 private:
    uint32       catalogNumber;
    Point3d      position;
    Quatf        orientation;
    float        radius;
    float        absMag;
    std::string* infoURL;
};

typedef std::vector<DeepSkyObject*> DeepSkyCatalog;
int LoadDeepSkyObjects(DeepSkyCatalog&, std::istream& in,
                       const std::string& path);


#endif // _CELENGINE_DEEPSKYOBJ_H_

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