SoCalculator.h

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/*=======================================================================
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 * ALL RIGHTS RESERVED
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 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
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 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
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**=======================================================================*/
/*=======================================================================
** Author      : Ronen Barzel (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_CALCULATOR_
#define  _SO_CALCULATOR_
 
#include <Inventor/engines/SoSubEngine.h>
#include <Inventor/fields/SoMFFloat.h>
#include <Inventor/fields/SoMFString.h>
#include <Inventor/fields/SoMFVec3f.h>
 
class SoCalcParser;
 
class  SoCalculator : public SoEngine {
 
  SO_ENGINE_HEADER(SoCalculator);
    
 public:
 
  // Inputs
  SoMFFloat   a;
  SoMFFloat   b;
  SoMFFloat   c;
  SoMFFloat   d;
  SoMFFloat   e;
  SoMFFloat   f;
  SoMFFloat   g;
  SoMFFloat   h;
  SoMFVec3f   A;
  SoMFVec3f   B;
  SoMFVec3f   C;
  SoMFVec3f   D;
  SoMFVec3f   E;
  SoMFVec3f   F;
  SoMFVec3f   G;
  SoMFVec3f   H;
  SoMFString  expression;
    
  SoEngineOutput oa;
  SoEngineOutput ob;
  SoEngineOutput oc;
  SoEngineOutput od;
  SoEngineOutput oA;
  SoEngineOutput oB;
  SoEngineOutput oC;
  SoEngineOutput oD;
    
  SoCalculator();
 
 private:
 
  static void initClass();
  static void exitClass();
 
 private:
  virtual void        inputChanged(SoField *whichInput);
 
  // Destructor
  ~SoCalculator();
 
  // Evaluation method
  virtual void evaluate();
 
 private:
  SoCalcParser        *parser;
  SbBool              reparse;
 
  // working storage for the evaluation
  float       va, vb, vc, vd, ve, vf, vg, vh, ova, ovb, ovc, ovd;
  float       ta, tb, tc, td, te, tf, tg, th;
  SbVec3f     vA, vB, vC, vD, vE, vF, vG, vH, ovA, ovB, ovC, ovD;
  SbVec3f     tA, tB, tC, tD, tE, tF, tG, tH;
  static float *lookupFloat(void *, const char *);
  static SbVec3f *lookupVec3f(void *, const char *);
};
 
#endif  /* _SO_CALCULATOR_ */