visobject.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 "visdata.h"
#include "visosg.h"
#include "thread.h"
namespace osg { class Group; }

namespace visBase
{
class Material;
class Transformation;
class EventCatcher;

enum RenderMode { RenderBackSide=-1, RenderBothSides, RenderFrontSide };


mExpClass(visBase) VisualObject : public DataObject
{
public:
    virtual void                setMaterial( Material* )                = 0;
    virtual Material*           getMaterial()                           = 0;

    virtual bool                getBoundingBox(Coord3& min,Coord3& max) const;
    virtual void                setSceneEventCatcher( EventCatcher* )   {}

    void                        setSelectable(bool yn)  { isselectable=yn; }
    bool                        selectable() const      { return isselectable; }
    NotifierAccess*             selection()             { return &selnotifier; }
    NotifierAccess*             deSelection()           {return &deselnotifier;}
    virtual NotifierAccess*     rightClicked()          { return &rightClick; }
    const EventInfo*            rightClickedEventInfo() const{return rcevinfo;}
    const TypeSet<int>*         rightClickedPath() const;

protected:
    void                        triggerSel()
                                { if (isselectable) selnotifier.trigger(); }
    void                        triggerDeSel()
                                { if (isselectable) deselnotifier.trigger(); }
    void                        triggerRightClick(const EventInfo*);
                                VisualObject(bool selectable=false);
                                ~VisualObject();

private:
    bool                        isselectable;
    Notifier<VisualObject>      selnotifier;
    Notifier<VisualObject>      deselnotifier;
    Notifier<VisualObject>      rightClick;
    const EventInfo*            rcevinfo;
};


mExpClass(visBase) VisualObjectImpl : public VisualObject
{
public:

    void                setRightHandSystem(bool yn) { righthandsystem_=yn; }
    bool                isRightHandSystem() const { return righthandsystem_; }

    void                setLockable();
    void                readLock();
    void                readUnLock();
    bool                tryReadLock();
    void                writeLock();
    void                writeUnLock();
    bool                tryWriteLock();

    void                setMaterial(Material*);
    const Material*     getMaterial() const { return material_; }
    Material*           getMaterial();

    static const char*  sKeyMaterialID(); //Remove
    static const char*  sKeyMaterial();
    static const char*  sKeyIsOn();

    virtual bool        usePar(const IOPar&);
    virtual void        fillPar(IOPar&) const;

protected:

    int                 addChild(osg::Node*);
    void                insertChild(int pos,osg::Node*);
    void                removeChild(osg::Node*);
    int                 childIndex(const osg::Node*) const;


                        VisualObjectImpl(bool selectable);
    virtual             ~VisualObjectImpl();

    virtual void        materialChangeCB(CallBacker*);

    virtual void        setGroupNode(osg::Group*);

    Material*           material_;
    bool                righthandsystem_;

private:

    osg::Group*         osgroot_;
};

mLockerClassImpl( visBase, VisualReadLockLocker, VisualObjectImpl,
                  readLock(), readUnLock(), tryReadLock() )
mLockerClassImpl( visBase, VisualWriteLockLocker, VisualObjectImpl,
                  writeLock(), writeUnLock(), tryWriteLock() )
};