SoCube.h

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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/
 *
 */
 
 
/*
 * Copyright (C) 1990,91   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 defines the SoCube node class.
 |
 |   Author(s)          : Paul S. Strauss, Nick Thompson
 |
 ______________  S I L I C O N   G R A P H I C S   I N C .  ____________
 _______________________________________________________________________
 */
 
#ifndef  _SO_CUBE_
#define  _SO_CUBE_
 
#include <Inventor/SbLinear.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/nodes/SoShape.h>
#include <Inventor/misc/SoVBO.h>
 


 
class INVENTOR_API SoCube : public SoShape {
 
    SO_NODE_HEADER(SoCube);
 
  public:


    SoSFFloat           width;          
    SoSFFloat           height;         
    SoSFFloat           depth;          


    SoCube();
 
  SoEXTENDER public:
    virtual void        GLRender(SoGLRenderAction *action);
    virtual void        rayPick(SoRayPickAction *action);
 
  SoINTERNAL public:
    static void         initClass();
 
  protected:
    virtual void        generatePrimitives(SoAction *action);

    virtual void        computeBBox(SoAction *action, SbBox3f &box,
                                    SbVec3f &center);

    virtual SoDetail *  createTriangleDetail(SoRayPickAction *action,
                                             const SoPrimitiveVertex *v1,
                                             const SoPrimitiveVertex *v2,
                                             const SoPrimitiveVertex *v3,
                                             SoPickedPoint *pp);
 
    virtual ~SoCube();
 
  private:
    static SbVec3f      coords[8];      
    static SbVec2f      texCoords[4];   
    static SbVec3f      normals[6];     
    static const SbVec3f *verts[6][4];  

    struct CacheState : public SimpleVertexArrayCache {
      CacheState() {
      }
    };
 
    CacheState _cache;

    bool                pickingBoundingBox;

    bool                isMaterialPerFace(SoAction *action) const;

    int                 computeNumDivisions(SoAction *action) const;

    void                getSize(float &hWidth,
                                float &hHeight,
                                float &hDepth) const;

    void                GLRenderGeneric(SoGLRenderAction *action,
                                        bool sendNormals, bool doTextures);
    void                GLRenderNvertTnone(SoGLRenderAction *action);

    void                GLRenderBoundingBox(SoGLRenderAction *action,
                                            const SbBox3f &bbox);
    void                rayPickBoundingBox(SoRayPickAction *action,
                                           const SbBox3f &bbox);
 
    void GLRenderVertexArray(SoGLRenderAction *action,
                             bool sendNormals, bool doTextures);

friend class SoShape; 
};
 
#endif /* _SO_CUBE_ */