celestia/src/celengine/deepskyobj.h

120 lines
3.6 KiB
C++

// 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/ray.h>
#include <celengine/glcontext.h>
#include <celengine/parser.h>
#include <Eigen/Core>
#include <Eigen/Geometry>
extern const float DSO_DEFAULT_ABS_MAGNITUDE;
class Nebula;
class Galaxy;
class Globular;
class OpenCluster;
class DeepSkyObject
{
public:
EIGEN_MAKE_ALIGNED_OPERATOR_NEW
DeepSkyObject();
virtual ~DeepSkyObject();
inline uint32 getCatalogNumber() const
{
return catalogNumber;
}
void setCatalogNumber(uint32);
Eigen::Vector3d getPosition() const;
void setPosition(const Eigen::Vector3d&);
static void hsv2rgb( float*, float*, float*, float, float, float);
virtual const char* getType() const = 0;
virtual void setType(const std::string&) = 0;
virtual size_t getDescription(char* buf, size_t bufLength) const;
Eigen::Quaternionf getOrientation() const;
void setOrientation(const Eigen::Quaternionf&);
/*! Return the radius of a bounding sphere large enough to contain the object.
* For correct rendering, all of the geometry must fit within this sphere radius.
* DSO subclasses an alternate radius that more closely matches the conventional
* astronomical definition for the size of the object (e.g. mu25 isophote radius.)
*/
virtual float getBoundingSphereRadius() const { return radius; }
/*! Return the radius of the object. This radius will be displayed in the UI and
* should match the conventional astronomical definition of the object size.
*/
float getRadius() const { return radius; }
void setRadius(float r);
virtual float getHalfMassRadius() const { return radius; }
float getAbsoluteMagnitude() const;
void setAbsoluteMagnitude(float);
std::string getInfoURL() const;
void setInfoURL(const std::string&);
bool isVisible() const { return visible; }
void setVisible(bool _visible) { visible = _visible; }
bool isClickable() const { return clickable; }
void setClickable(bool _clickable) { clickable = _clickable; }
virtual const char* getObjTypeName() const = 0;
virtual bool pick(const Ray3d& ray,
double& distanceToPicker,
double& cosAngleToBoundCenter) const = 0;
virtual bool load(AssociativeArray*, const std::string& resPath);
virtual void render(const GLContext& context,
const Eigen::Vector3f& offset,
const Eigen::Quaternionf& 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;
Eigen::Vector3d position;
Eigen::Quaternionf orientation;
float radius;
float absMag;
std::string* infoURL;
bool visible : 1;
bool clickable : 1;
};
typedef std::vector<DeepSkyObject*> DeepSkyCatalog;
int LoadDeepSkyObjects(DeepSkyCatalog&, std::istream& in,
const std::string& path);
#endif // _CELENGINE_DEEPSKYOBJ_H_