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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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) 1996-2019 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : VSG (MMM YYYY) 00047 **=======================================================================*/ 00048 00049 00050 #ifndef _SO_INDEXED_SHAPE_ 00051 #define _SO_INDEXED_SHAPE_ 00052 00053 #include <Inventor/fields/SoMFInt32.h> 00054 #include <Inventor/nodes/SoVertexShape.h> 00055 #include <Inventor/SbPImpl.h> 00056 00057 class SbVec2d; 00058 00059 SO_PIMPL_PUBLIC_DECLARATION(SoIndexedShape) 00060 00061 00062 // 00063 // Class: SoIndexedShape 00064 // 00065 // Abstract indexed shape node class. All nodes derived from this 00066 // (such as SoIndexedFaceSet and SoIndexedLineSet) are shapes 00067 // that are constructed from vertices defined by indexing into the 00068 // current coordinates. The coordinate indices are stored in the 00069 // coordIndex field, which is used by all subclasses. 00070 // 00071 // One rule is used: all coordinate indices less than 0 may be used 00072 // for special purposes, such as to denote the end of a face or 00073 // polyline. This means that all indices < 0 can be ignored safely 00074 // when looking at vertices. 00075 // 00076 // Depending on the current material, normal, tangent and texture coordinate 00077 // binding values, materials, normals, tangents and texture coordinates may be 00078 // accessed in order or may be indexed using the materialIndex, 00079 // normalIndex, tangentIndex and textureCoordIndex fields. 00080 // 00082 00160 class SoIndexedShape : public SoVertexShape 00161 { 00162 SO_NODE_ABSTRACT_HEADER(SoIndexedShape); 00163 SO_PIMPL_PUBLIC_HEADER(SoIndexedShape) 00164 00165 public: 00172 SoMFInt32 coordIndex; 00179 SoMFInt32 materialIndex; 00186 SoMFInt32 normalIndex; 00193 SoMFInt32 tangentIndex; 00200 SoMFInt32 textureCoordIndex; 00201 00202 private: 00211 virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f ¢er); 00212 00221 virtual void computeBBox(SoAction *action, SbXfBox3d &box, SbVec3d ¢er); 00222 00226 virtual void rayPick(SoRayPickAction *action); 00227 00228 private: 00229 00230 static void initClass(); 00231 static void exitClass(); 00232 00233 // Keep indices up to date if things change 00234 virtual void notify(SoNotList *list); 00235 00236 private: 00238 SoIndexedShape(); 00239 00241 virtual ~SoIndexedShape(); 00242 00243 private: 00244 00245 static bool s_evaluateIndexingGainFactor; 00246 00247 void commonConstructor(); 00248 00249 }; 00250 00251 #endif /* _SO_INDEXED_SHAPE_ */ 00252