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/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
// -*- C++ -*-
/*
* Copyright (C) 1990,91,92 Silicon Graphics, Inc.
*
_______________________________________________________________________
______________ S I L I C O N G R A P H I C S I N C . ____________
|
| $Revision: 1.1.1.1 $
|
| Description:
| This file contains the declaration of the Calculator engine
|
| Classes:
| SoCalculator
|
| Author(s) : Ronen Barzel
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#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;
// C-api: public=a,b,c,d,e,f,g,h,A,B,C,D,E,F,G,H,expression
// C-api: public=oa,ob,oc,od,oA,oB,oC,oD
// C-api: prefix=SoCalc
class SoCalculator : public SoEngine {
SO_ENGINE_HEADER(SoCalculator);
public:
// Inputs
SoMFFloat a,b,c,d,e,f,g,h;
SoMFVec3f A,B,C,D,E,F,G,H;
SoMFString expression;
// Outputs
SoEngineOutput oa,ob,oc,od; // (SoMFfloat)
SoEngineOutput oA,oB,oC,oD; // (SoMFVec3f)
// Constructor
SoCalculator();
SoINTERNAL public:
static void initClass();
protected:
virtual void inputChanged(SoField *whichInput);
private:
// Destructor
~SoCalculator();
// Evaluation method
virtual void evaluate();
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_ */
|
