visscene.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kris Tingdahl
 Date:          Jan 2002
________________________________________________________________________


-*/

#include "visdatagroup.h"
#include "sets.h"

namespace osg { class Group; }
namespace osgGeo { class GLInfo; }

namespace visBase
{
    class SelectionManager;
    class EventCatcher;
    class PolygonOffset;
    class Light;
    class Camera;

mExpClass(visBase) Scene : public DataObjectGroup
{
public:
    static Scene*       create()
                        mCreateDataObj(Scene);

    void                addObject(DataObject*);

    void                setCameraAmbientLight(float);
    float               getCameraAmbientLight() const;
    void                setCameraLightIntensity( float );
    float               getCameraLightIntensity() const;

    Light*              getDirectionalLight() const;

    PolygonOffset*      getPolygonOffset()      { return polygonoffset_; }
    bool                saveCurrentOffsetAsDefault() const;

    bool                blockMouseSelection(bool yn);
    Camera*             getCamera()                     { return camera_; }
    const Camera*       getCamera() const               { return camera_; }
    virtual void        setCamera(Camera*);

    EventCatcher&       eventCatcher();

    int                 getUpdateQueueID() const        {return updatequeueid_;}
    int                 fixedIdx() const                { return fixedidx_; }

    float               getPolygonOffsetFactor() const;
    float               getPolygonOffsetUnits() const;

    void                setName(const uiString&);

    Notifier<Scene>     nameChanged;
    Notifier<Scene>     contextIsUp;
                        //Trigges when we can ask quesitons about the context

    static const char*  sKeyOffset()    { return "Polygon offset"; }
    static const char*  sKeyFactor()    { return "Factor"; }
    static const char*  sKeyUnits()     { return "Units"; }
    static const char*  sKeyLight()     { return "Light"; }

protected:
    virtual             ~Scene();
    EventCatcher&       events_;

    virtual void        runUpdateQueueCB(CallBacker*);

    void                fillOffsetPar( IOPar& ) const;

private:

    int                         mousedownid_;
    int                         updatequeueid_;
    int                         fixedidx_;

    void                        mousePickCB(CallBacker*);

    PolygonOffset*              polygonoffset_;
    Light*                      light_;

    bool                        blockmousesel_;

    Camera*                     camera_;
};

}