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SoModelMatrixElement.h

00001 #ifndef COIN_SOMODELMATRIXELEMENT_H
00002 #define COIN_SOMODELMATRIXELEMENT_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/elements/SoAccumulatedElement.h>
00028 #include <Inventor/SbMatrix.h>
00029 #include <Inventor/lists/SbPList.h>
00030 
00031 class COIN_DLL_API SoModelMatrixElement : public SoAccumulatedElement {
00032   typedef SoAccumulatedElement inherited;
00033 
00034   SO_ELEMENT_HEADER(SoModelMatrixElement);
00035 public:
00036   static void initClass(void);
00037 protected:
00038   virtual ~SoModelMatrixElement();
00039 
00040 public:
00041   virtual void init(SoState * state);
00042   virtual void push(SoState * state);
00043   virtual SbBool matches(const SoElement * element) const;
00044   static void makeIdentity(SoState * const state, SoNode * const node);
00045   static void set(SoState * const state, SoNode * const node,
00046                   const SbMatrix & matrix);
00047   static void setCullMatrix(SoState * state, SoNode * node,
00048                             const SbMatrix & matrix);
00049   static void mult(SoState * const state, SoNode * const node,
00050                    const SbMatrix & matrix);
00051   static void translateBy(SoState * const state, SoNode * const node,
00052                           const SbVec3f & translation);
00053   static void rotateBy(SoState * const state, SoNode * const node,
00054                        const SbRotation & rotation);
00055   static void scaleBy(SoState * const state, SoNode * const node,
00056                       const SbVec3f & scaleFactor);
00057 
00058   static SbMatrix pushMatrix(SoState * const state);
00059   static void popMatrix(SoState * const state, const SbMatrix & matrix);
00060 
00061   static const SbMatrix & getCombinedCullMatrix(SoState * const state);
00062   static const SbMatrix & get(SoState * const state);
00063   static const SbMatrix & get(SoState * const state, SbBool & isIdentity);
00064 
00065   const SbMatrix & getModelMatrix(void) const;
00066 
00067 protected:
00068   virtual void makeEltIdentity(void);
00069   virtual void setElt(const SbMatrix & matrix);
00070   virtual void multElt(const SbMatrix & matrix);
00071   virtual void translateEltBy(const SbVec3f & translation);
00072   virtual void rotateEltBy(const SbRotation & rotation);
00073   virtual void scaleEltBy(const SbVec3f & scaleFactor);
00074   virtual SbMatrix pushMatrixElt(void);
00075   virtual void popMatrixElt(const SbMatrix & matrix);
00076 
00077 protected:
00078   SbMatrix modelMatrix;
00079   SbMatrix cullMatrix;
00080   SbMatrix combinedMatrix;
00081   uint32_t flags;
00082 
00083 };
00084 
00085 #endif // !COIN_SOMODELMATRIXELEMENT_H

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