Open Inventor Reference
|
00001 /* 00002 * 00003 * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved. 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Lesser General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2.1 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Lesser General Public License for more details. 00014 * 00015 * Further, this software is distributed without any warranty that it is 00016 * free of the rightful claim of any third person regarding infringement 00017 * or the like. Any license provided herein, whether implied or 00018 * otherwise, applies only to this software file. Patent licenses, if 00019 * any, provided herein do not apply to combinations of this program with 00020 * other software, or any other product whatsoever. 00021 * 00022 * You should have received a copy of the GNU Lesser General Public 00023 * License along with this library; if not, write to the Free Software 00024 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00025 * 00026 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 00027 * Mountain View, CA 94043, or: 00028 * 00029 * http://www.sgi.com 00030 * 00031 * For further information regarding this notice, see: 00032 * 00033 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 00034 * 00035 */ 00036 00037 00038 /* 00039 * Copyright (C) 1990,91 Silicon Graphics, Inc. 00040 * 00041 _______________________________________________________________________ 00042 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00043 | 00044 | $Revision: 1.1.1.1 $ 00045 | 00046 | Description: 00047 | This file defines the SoQuadMesh node class. 00048 | 00049 | Author(s) : Paul S. Strauss 00050 | 00051 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00052 _______________________________________________________________________ 00053 */ 00054 00055 #ifndef _SO_QUAD_MESH_ 00056 #define _SO_QUAD_MESH_ 00057 00058 #include <Inventor/fields/SoSFInt32.h> 00059 #include <Inventor/nodes/SoNonIndexedShape.h> 00060 00061 00064 00138 00139 00140 class INVENTOR_API SoQuadMesh : public SoNonIndexedShape { 00141 00142 SO_NODE_HEADER(SoQuadMesh); 00143 00144 public: 00146 00147 00148 SoSFInt32 verticesPerColumn; 00150 SoSFInt32 verticesPerRow; 00151 00153 00155 SoQuadMesh(); 00156 00157 SoEXTENDER public: 00159 virtual void GLRender(SoGLRenderAction *action); 00160 00163 virtual SbBool generateDefaultNormals(SoState *state, 00164 SoNormalBundle *nb); 00165 00166 SoINTERNAL public: 00167 static void initClass(); 00168 00170 enum Binding { 00171 OVERALL, PER_ROW, PER_QUAD, PER_VERTEX 00172 }; 00173 00176 typedef void (SoQuadMesh::*PMQM)(SoGLRenderAction *); 00177 00178 protected: 00180 virtual void generatePrimitives(SoAction *action); 00181 00183 virtual void computeBBox(SoAction *action, SbBox3f &box, 00184 SbVec3f ¢er); 00185 00187 virtual SoDetail * createTriangleDetail(SoRayPickAction *action, 00188 const SoPrimitiveVertex *v1, 00189 const SoPrimitiveVertex *v2, 00190 const SoPrimitiveVertex *v3, 00191 SoPickedPoint *pp); 00192 00193 virtual ~SoQuadMesh(); 00194 00195 00196 00197 private: 00198 SbVec3f *generatedNormals; 00199 00201 static Binding getMaterialBinding(SoAction *action); 00202 static Binding getNormalBinding(SoAction *action); 00203 00205 static int getBindIndex(Binding binding, int vert, 00206 int row, int quad); 00207 00209 void figureNormals(SoState *state, SoNormalBundle *nb); 00210 00212 virtual void notify(SoNotList *list); 00213 00214 00220 int totalNumVertices; 00221 00228 void OmOn(SoGLRenderAction *); void OmOnT(SoGLRenderAction *); 00229 void OmPn(SoGLRenderAction *); void OmPnT(SoGLRenderAction *); 00230 void OmFn(SoGLRenderAction *); void OmFnT(SoGLRenderAction *); 00231 void OmVn(SoGLRenderAction *); void OmVnT(SoGLRenderAction *); 00232 void PmOn(SoGLRenderAction *); void PmOnT(SoGLRenderAction *); 00233 void PmPn(SoGLRenderAction *); void PmPnT(SoGLRenderAction *); 00234 void PmFn(SoGLRenderAction *); void PmFnT(SoGLRenderAction *); 00235 void PmVn(SoGLRenderAction *); void PmVnT(SoGLRenderAction *); 00236 void FmOn(SoGLRenderAction *); void FmOnT(SoGLRenderAction *); 00237 void FmPn(SoGLRenderAction *); void FmPnT(SoGLRenderAction *); 00238 void FmFn(SoGLRenderAction *); void FmFnT(SoGLRenderAction *); 00239 void FmVn(SoGLRenderAction *); void FmVnT(SoGLRenderAction *); 00240 void VmOn(SoGLRenderAction *); void VmOnT(SoGLRenderAction *); 00241 void VmPn(SoGLRenderAction *); void VmPnT(SoGLRenderAction *); 00242 void VmFn(SoGLRenderAction *); void VmFnT(SoGLRenderAction *); 00243 void VmVn(SoGLRenderAction *); void VmVnT(SoGLRenderAction *); 00244 00246 static PMQM renderFunc[32]; 00247 }; 00248 00249 #endif /* _SO_QUAD_MESH_ */