00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 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 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Paul S. Strauss (MMM yyyy) 00025 **=======================================================================*/ 00026 /*======================================================================= 00027 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00028 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00029 *** *** 00030 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00031 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00032 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00033 *** *** 00034 *** RESTRICTED RIGHTS LEGEND *** 00035 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00036 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00037 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00038 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00039 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00040 *** *** 00041 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : VSG (MMM YYYY) 00047 **=======================================================================*/ 00048 00049 #ifndef _SO_VRMLINDEXEDTRIANGLE_SET_ 00050 #define _SO_VRMLINDEXEDTRIANGLE_SET_ 00051 00052 #include <Inventor/fields/SoMFInt32.h> 00053 #include <Inventor/fields/SoSFFloat.h> 00054 #include <Inventor/fields/SoSFNode.h> 00055 #include <Inventor/VRMLnodes/SoVRMLTriangle.h> 00056 00057 00058 #if defined(OIV_IGNORE_VRML_DEPRECATED) 00059 #include <SoDeprecationRules.h> 00060 #pragma push_macro("SoDEPRECATED_CLASS") 00061 #pragma push_macro("SoDEPRECATED_TYPEDEF") 00062 #undef SoDEPRECATED_CLASS 00063 #undef SoDEPRECATED_TYPEDEF 00064 #define SoDEPRECATED_CLASS(x,y) 00065 #define SoDEPRECATED_TYPEDEF(x,y) 00066 #endif 00067 00069 // 00070 // Class: SoVRMLIndexedTriangleSet 00071 // 00072 // An SoVRMLIndexedTriangleSet represents a 3D shape composed of 00073 // a collection of individual triangles. 00074 // 00076 00077 #ifndef IV_STRICT 00078 // Deprecated feature; specifying USE_REST_OF_VERTICES as the last 00079 // value in the numVertices field will use all the points in the 00080 // coordinate array. 00081 #define SO_TRI_STRIP_SET_USE_REST_OF_VERTICES (-1) 00082 00083 #endif 00084 class SoCoordinateElement; 00085 class SoDEPRECATED SoVRMLIndexedTriangleSet : public SoVRMLTriangle { 00182 00183 SO_NODE_HEADER(SoVRMLIndexedTriangleSet); 00184 00185 public: 00186 // Fields 00190 SoMFInt32 index; 00194 SoVRMLIndexedTriangleSet(); 00195 00196 private: 00197 // Implement actions 00198 virtual void GLRender(SoGLRenderAction *action); 00199 virtual void generatePick(SoRayPickAction *action, SoNode *node); 00200 // Generates default normals using the given normal bundle. 00201 // Returns TRUE. 00202 virtual SbBool generateDefaultNormals(SoState *state, SoNormalBundle *nb); 00203 00204 virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action); 00205 00206 // Computes bounding box of triangle strips 00207 virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f ¢er); 00208 00209 private: 00210 static void initClass(); 00211 static void exitClass(); 00212 00213 // Compute transformations from Modelling coordinate to tangent space (facet space). 00214 // virtual SbMatrix3* computeVtxTangentSpaceMat(const float *bumpTexCoords, int &numMat) const ; 00215 00216 private: 00217 // Generates triangles representing strips 00218 virtual void generatePrimitives(SoAction *action); 00219 00220 // Overrides standard method to create an SoFaceDetail instance 00221 virtual SoDetail *createTriangleDetail(SoRayPickAction *action, 00222 const SoPrimitiveVertex *v1, 00223 const SoPrimitiveVertex *v2, 00224 const SoPrimitiveVertex *v3, 00225 SoPickedPoint *pp); 00226 00227 virtual ~SoVRMLIndexedTriangleSet(); 00228 00229 private: 00230 // Blow vpCache when vertexProperty field changes: 00231 virtual void notify(SoNotList *list); 00232 00233 // This stores the total number of vertices; we use this 00234 // information to influence Separator's auto-caching algorithm 00235 // (shapes with very few triangles should be cached because 00236 // traversing them can be expensive, shapes with lots of triangles 00237 // shouldn't be cached because they'll take up too much memory). 00238 int totalFanCount; 00239 00240 // render function 00241 void doRendering(SoGLRenderAction *action, const SoShapeStyleElement* shapeStyle); 00242 00243 static const int AUTO_CACHE_TSS_MIN_WITHOUT_VP; 00244 static const int AUTO_CACHE_TSS_MAX; 00245 }; 00246 00247 00248 00249 00250 #if defined(OIV_IGNORE_VRML_DEPRECATED) 00251 #pragma pop_macro("SoDEPRECATED_TYPEDEF") 00252 #pragma pop_macro("SoDEPRECATED_CLASS") 00253 #endif 00254 00255 #endif /* _SO_VRMLINDEXEDTRIANGLE_SET_ */ 00256