OSGInverseTransform.h

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#ifndef _OSGINVERSETRANSFORM_H_
#define _OSGINVERSETRANSFORM_H_
#ifdef __sgi
#pragma once
#endif

#include <OSGConfig.h>

#include <OSGInverseTransformBase.h>

#include "OSGMatrix.h"

OSG_BEGIN_NAMESPACE

class DrawActionBase;

class OSG_SYSTEMLIB_DLLMAPPING InverseTransform : public InverseTransformBase
{
  private:

    typedef InverseTransformBase Inherited;

    /*==========================  PUBLIC  =================================*/
  public:

    /*---------------------------------------------------------------------*/
    virtual void changed(BitVector  whichField,
                         UInt32     origin    );

    /*---------------------------------------------------------------------*/
    void initMatrix(const Matrix         &mToWorld);

    void calcMatrix(      DrawActionBase *pAction,
                    const Matrix         &mToWorld,
                          Matrix         &mResult);

    /*---------------------------------------------------------------------*/
    virtual void dump(      UInt32     uiIndent = 0,
                      const BitVector  bvFlags  = 0) const;

    /*=========================  PROTECTED  ===============================*/
  protected:

    // Variables should all be in InverseTransformBase.

    /*---------------------------------------------------------------------*/
    InverseTransform(void);
    InverseTransform(const InverseTransform &source);

    /*---------------------------------------------------------------------*/
    virtual ~InverseTransform(void);

    /*---------------------------------------------------------------------*/
    void            adjustVolume  (Volume & volume);

    virtual void   accumulateMatrix(Matrix &result);

    /*---------------------------------------------------------------------*/
    Action::ResultE drawEnter     (Action *action);
    Action::ResultE drawLeave     (Action *action);

    Action::ResultE intersectEnter(Action *action);
    Action::ResultE intersectLeave(Action *action);

    Action::ResultE renderEnter   (Action *action);
    Action::ResultE renderLeave   (Action *action);

    /*==========================  PRIVATE  ================================*/
  private:

    friend class FieldContainer;
    friend class InverseTransformBase;

    static void initMethod(void);

    Matrix _invWorld;

    // prohibit default functions (move to 'public' if you need one)

    void operator =(const InverseTransform &source);
};

typedef InverseTransform *InverseTransformP;

OSG_END_NAMESPACE

#include <OSGInverseTransformBase.inl>
#include <OSGInverseTransform.inl>

#define OSGINVERSETRANSFORM_HEADER_CVSID "@(#)$Id: OSGInverseTransform.h,v 1.2 2004/10/13 14:51:34 a-m-z Exp $"

#endif /* _OSGINVERSETRANSFORM_H_ */

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