00001 /*=======================================================================
00002  * Copyright 1991-1996, Silicon Graphics, Inc.
00003  * ALL RIGHTS RESERVED
00004  *
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00011  * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
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00013  * in similar or successor clauses in the FAR, or the DOD or NASA FAR
00014  * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
00015  * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
00016  *
00017  * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
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00022 **=======================================================================*/
00023 /*=======================================================================
00024 ** Author      : Paul S. Strauss (MMM yyyy)
00025 ** Modified by : Gavin Bell (MMM yyyy)
00026 **=======================================================================*/
00027 /*=======================================================================
00028  *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
00029  ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
00030  ***                                                                                ***
00031  ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
00032  ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
00033  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00034  ***                                                                                ***
00035  ***                        RESTRICTED RIGHTS LEGEND                                ***
00036  ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
00037  ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
00038  ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
00039  ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
00040  ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
00041  ***                                                                                ***
00042  ***                   COPYRIGHT (C) 1996-2020 BY FEI S.A.S,                        ***
00043  ***                        BORDEAUX, FRANCE                                        ***
00044  ***                      ALL RIGHTS RESERVED                                       ***
00045 **=======================================================================*/
00046 /*=======================================================================
00047 ** Modified by : VSG (MMM YYYY)
00048 **=======================================================================*/
00049 
00050 
00051 #ifndef  _SO_VRMLINDEXED_FACE_SET_
00052 #define  _SO_VRMLINDEXED_FACE_SET_
00053 
00054 #include <Inventor/fields/SoSFFloat.h>
00055 #include <Inventor/fields/SoSFBool.h>
00056 #include <Inventor/SbColor.h>
00057 #include <Inventor/fields/SoMFFloat.h>
00058 #include <Inventor/VRMLnodes/SoVRMLIndexedShape.h>
00059 
00060 
00061 #if defined(OIV_IGNORE_VRML_DEPRECATED)
00062   #include <SoDeprecationRules.h>
00063   #pragma push_macro("SoDEPRECATED_CLASS")
00064   #pragma push_macro("SoDEPRECATED_TYPEDEF")
00065   #undef SoDEPRECATED_CLASS
00066   #undef SoDEPRECATED_TYPEDEF
00067   #define SoDEPRECATED_CLASS(x,y)
00068   #define SoDEPRECATED_TYPEDEF(x,y)
00069 #endif
00070 
00072 //
00073 //  Class: SoVRMLIndexedFaceSet
00074 //
00075 //  Indexed set of faces. Each face consists of 3 or more vertices,
00076 //  each of which is denoted by an integer index (from the coordIndex
00077 //  field) into the current coordinates. Depending on the current
00078 //  material and normal binding values, the materials and normals for
00079 //  the faces or vertices may be accessed in order or indexed. If they
00080 //  are indexed, the colorIndex and normalIndex fields are used.
00081 //
00083 
00084 // This coordinate index indicates that the current face ends and the
00085 // next face begins
00086 #define SO_END_FACE_INDEX       (-1)
00087 
00088 class SoNormalBundle;
00089 class SoCoordinateElement;
00090 class SoShapeStyleElement;
00091 class SoDEPRECATED  SoVRMLIndexedFaceSet : public SoVRMLIndexedShape {
00272 
00273   SO_NODE_HEADER(SoVRMLIndexedFaceSet);
00274 
00275  public:
00276   // Fields
00277 
00283   SoSFBool            ccw;
00289   SoSFBool            solid;
00295   SoSFBool            convex;
00302   SoSFFloat           creaseAngle;
00303 
00307   SoVRMLIndexedFaceSet();
00308 
00309  private:
00310   // Implements actions
00311   virtual void        GLRender(SoGLRenderAction *action);
00312   virtual void        generatePick(SoRayPickAction *action, SoNode *node);
00313   virtual void        getPrimitiveCount(SoGetPrimitiveCountAction *action);
00314 
00315 
00316   // Generates default normals using the given normal bundle.
00317   // Returns TRUE.
00318   virtual SbBool      generateDefaultNormals(SoState *state,
00319                                              SoNormalBundle *nb);
00320 
00321   // Typedef of pointer to method on IndexedFaceSet;
00322   // This will be used to simplify declaration and initialization.
00323   typedef void (SoVRMLIndexedFaceSet::*PMFS)(SoGLRenderAction *);
00324 
00325  private:
00326   static void         initClass();
00327   static void         exitClass();
00328  
00329  private:
00330     // This enum is used to indicate the current material or normal binding
00331     enum Binding {
00332     OVERALL, PER_FACE, PER_FACE_INDEXED, PER_VERTEX,
00333     PER_VERTEX_INDEXED
00334   };
00335   // Generates triangles representing faces
00336   virtual void        generatePrimitives(SoAction *action);
00337 
00338   // Overrides standard method to create an SoFaceDetail instance
00339   virtual SoDetail *  createTriangleDetail(SoRayPickAction *action,
00340                                            const SoPrimitiveVertex *v1,
00341                                            const SoPrimitiveVertex *v2,
00342                                            const SoPrimitiveVertex *v3,
00343                                            SoPickedPoint *pp);
00344   ~SoVRMLIndexedFaceSet();
00345 
00346  private:
00347   // Saves normal binding when generating primitives for picking
00348   Binding             savedNormalBinding;
00349 
00350   // Returns current material or normal binding from action's state
00351   static Binding getMaterialBinding(SoAction *action);
00352   Binding getNormalBinding(SoAction *action, SoNormalBundle *nb);
00353 
00354   // Figures out normals, if necessary. Returns TRUE if normals were
00355   // generated
00356   SbBool              figureNormals(SoState *state, SoNormalBundle *nb);
00357 
00358   // set numTris/Quads/Faces to -1 when notified
00359   virtual void        notify(SoNotList *list);
00360 
00361   // Set number of triangles/quads/faces, based on coordIndex array.
00362   void setupNumTrisQuadsFaces();
00363 
00364   // Number of triangles, quads, (n>4)-vertex faces
00365   int     numTris, numQuads, numFaces;
00366 
00367   // 18*3ferent render functions; names are formed like this:
00368   // Om -- overall material
00369   // Fm -- per face material Vm -- per vertex material
00370   // On -- overall normal
00371   // Fn -- per face normal   Vm -- per vertex normal
00372   // T  -- per vertex texture coordinates
00373   void TriOmOn(SoGLRenderAction *); void TriOmOnT(SoGLRenderAction *);
00374   void TriOmFn(SoGLRenderAction *); void TriOmFnT(SoGLRenderAction *);
00375   void TriOmVn(SoGLRenderAction *); void TriOmVnT(SoGLRenderAction *);
00376   void TriFmOn(SoGLRenderAction *); void TriFmOnT(SoGLRenderAction *);
00377   void TriFmFn(SoGLRenderAction *); void TriFmFnT(SoGLRenderAction *);
00378   void TriFmVn(SoGLRenderAction *); void TriFmVnT(SoGLRenderAction *);
00379   void TriVmOn(SoGLRenderAction *); void TriVmOnT(SoGLRenderAction *);
00380   void TriVmFn(SoGLRenderAction *); void TriVmFnT(SoGLRenderAction *);
00381   void TriVmVn(SoGLRenderAction *); void TriVmVnT(SoGLRenderAction *);
00382   void QuadOmOn(SoGLRenderAction *);void QuadOmOnT(SoGLRenderAction *);
00383   void QuadOmFn(SoGLRenderAction *); void QuadOmFnT(SoGLRenderAction *);
00384   void QuadOmVn(SoGLRenderAction *); void QuadOmVnT(SoGLRenderAction *);
00385   void QuadFmOn(SoGLRenderAction *); void QuadFmOnT(SoGLRenderAction *);
00386   void QuadFmFn(SoGLRenderAction *); void QuadFmFnT(SoGLRenderAction *);
00387   void QuadFmVn(SoGLRenderAction *); void QuadFmVnT(SoGLRenderAction *);
00388   void QuadVmOn(SoGLRenderAction *); void QuadVmOnT(SoGLRenderAction *);
00389   void QuadVmFn(SoGLRenderAction *); void QuadVmFnT(SoGLRenderAction *);
00390   void QuadVmVn(SoGLRenderAction *); void QuadVmVnT(SoGLRenderAction *);
00391   void GenOmOn(SoGLRenderAction *); void GenOmOnT(SoGLRenderAction *);
00392   void GenOmFn(SoGLRenderAction *); void GenOmFnT(SoGLRenderAction *);
00393   void GenOmVn(SoGLRenderAction *); void GenOmVnT(SoGLRenderAction *);
00394   void GenFmOn(SoGLRenderAction *); void GenFmOnT(SoGLRenderAction *);
00395   void GenFmFn(SoGLRenderAction *); void GenFmFnT(SoGLRenderAction *);
00396   void GenFmVn(SoGLRenderAction *); void GenFmVnT(SoGLRenderAction *);
00397   void GenVmOn(SoGLRenderAction *); void GenVmOnT(SoGLRenderAction *);
00398   void GenVmFn(SoGLRenderAction *); void GenVmFnT(SoGLRenderAction *);
00399   void GenVmVn(SoGLRenderAction *); void GenVmVnT(SoGLRenderAction *);
00400 
00401   // Array of function pointers to render functions:
00402   static PMFS TriRenderFunc[32];
00403   static PMFS QuadRenderFunc[32];
00404   static PMFS GenRenderFunc[32];
00405 
00406   static const int AUTO_CACHE_MIN_WITHOUT_VP;
00407   static const int AUTO_CACHE_MAX;
00408 
00409  private:
00410   int va_normal_cache;
00411   int va_flag_normal;
00412   char *va_normalArray;
00413   int va_normalArray_size;
00414 
00415   int va_texCoord_cache;
00416   int va_flag_texCoord;
00417   char *va_texCoordArray;
00418   int va_texCoordArray_size;
00419 
00420   int va_color_cache;
00421   int va_flag_color;
00422   char *va_color1Array;
00423   int va_color1Array_size;
00424   char *va_color2Array;
00425   int va_color2Array_size;
00426 
00427   static int *va_array1;
00428   static int va_array1_size;
00429 
00430   void vaCheckTexCoord();
00431   void vaCheckNormal();
00432   void vaCheckTexCoord_Normal();
00433   void vaCheckColor();
00434   void vaCheckTexCoord_Color();
00435   void vaCheckNormal_Color();
00436   void vaCheckTexCoord_Normal_Color();
00437   typedef void (SoVRMLIndexedFaceSet::*va_PMFS)();
00438   static va_PMFS va_RenderFunc[32];
00439 };
00440 
00441 
00442 
00443 #if defined(OIV_IGNORE_VRML_DEPRECATED)
00444   #pragma pop_macro("SoDEPRECATED_TYPEDEF")
00445   #pragma pop_macro("SoDEPRECATED_CLASS")
00446 #endif
00447 
00448 #endif /* _SO_VRMLINDEXED_FACE_SET_ */
00449
Inventor/VRMLnodes/SoVRMLIndexedFaceSet.h
