Open Inventor Release 2024.2.0
 
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SoIndexedTriangleSet.h
1/*=======================================================================
2 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
3 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
4 *** ***
5 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
6 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
7 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
8 *** ***
9 *** RESTRICTED RIGHTS LEGEND ***
10 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
11 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
12 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
13 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
14 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
15 *** ***
16 *** COPYRIGHT (C) 1996-2019 BY FEI S.A.S, ***
17 *** BORDEAUX, FRANCE ***
18 *** ALL RIGHTS RESERVED ***
19**=======================================================================*/
20/*=======================================================================
21** Author : David Beilloin (Mar 2011)
22** Modified by : VSG (MMM YYYY)
23**=======================================================================*/
24
25#ifndef _SO_INDEXED_TRIANGLE_SET_
26#define _SO_INDEXED_TRIANGLE_SET_
27
28#include <Inventor/nodes/SoIndexedShape.h>
29#include <Inventor/SbPImpl.h>
30
31class SoNormalBundle;
33class SoVolumeIndexedTriangleSet;
34
35SO_PIMPL_PUBLIC_DECLARATION(SoIndexedTriangleSet)
36
37//@TOBEWRAPPED
119{
120 SO_NODE_HEADER(SoIndexedTriangleSet);
121 SO_PIMPL_PUBLIC_HEADER(SoIndexedTriangleSet)
122
123public:
124 // Inherits fields
125
130
131private:
132 // Implements actions
133
135 virtual void GLRender( SoGLRenderAction* action );
136
138 virtual void generateDefaultNormals( SoState* state,
139 const SbVec3f* coords,
140 int numCoords,
141 SoNormalBundle* nb,
142 SbBool storeRef = FALSE );
143
145 virtual void shouldGenerateTangents( SoGLRenderAction* /*action*/, const SoShapeStyleElement* /*shapeStyle*/ ) {}
146
148 virtual void getPrimitiveCount( SoGetPrimitiveCountAction* action );
149
150private:
151
153 static void initClass();
154
156 static void exitClass();
157
158 // set numTris/Quads/Faces to -1 when notified
159 virtual void notify( SoNotList* list );
160
161 // Compute the number of vertices. This is just an approximation,
162 //so using 5 verts per unknown polygon is close enough.
163 virtual int getNumPrim( SoState* state = NULL );
164
165private:
166
167 // This enum is used to indicate the current material or normal binding
168 enum Binding {
169 OVERALL, PER_FACE, PER_FACE_INDEXED, PER_VERTEX,
170 PER_VERTEX_INDEXED
171 };
172
173 virtual SbBool shouldGenerateTexture3DCoordinates(){return TRUE;}
174
175 virtual void callSetupIndices( SoState* state, const SoShapeStyleElement* shapeStyle, uint32_t useTexCoordsAnyway );
176
177 //Wether to check or not 3d tex coords
178 virtual SbBool checkTex3Coords(){return TRUE;}
179
180 int getNumPrim( SoState* state, int& _numTris );
181
182 virtual void countPrim( SoState* state = NULL );
183
184 // Generates triangles representing faces
185 virtual void generatePrimitives( SoAction* action);
186
187 // render function
188 virtual void doRendering(SoGLRenderAction* action, const SoShapeStyleElement* shapeStyle);
189
190 // Overrides standard method to create an SoFaceDetail instance
191 virtual SoDetail *createTriangleDetail( SoRayPickAction* action,
192 const SoPrimitiveVertex* v1,
193 const SoPrimitiveVertex* v2,
194 const SoPrimitiveVertex* v3,
195 SoPickedPoint* pp);
196
197 // destructor
198 virtual ~SoIndexedTriangleSet();
199
200private:
201
202 friend class SoVolumeIndexedTriangleSetDl;
203 friend class SoVolumeIndexedTriangleSet;
204};
205
206#endif /* _SO_INDEXED_TRIANGLE_SET_ */
207
208
3D vector class.
Definition SbVec.h:932
Abstract base class for all actions.
Definition SoAction.h:132
Base class for describing detail information about a shape node.
Definition SoDetail.h:99
Renders a scene graph using Open Inventor's Render Engine.
<a href="IconLegend.html"><img src="extTGS.gif" alt="VSG extension" border="0"></a> Counts number of...
Abstract base class for all indexed vertex-based shapes.
Indexed triangle shape node.
SoIndexedTriangleSet()
Creates an indexed triangle set node with default settings.
Represents point on surface of picked object.
Represents a vertex of a generated primitive.
Intersects objects with a ray cast into scene.
Stores some information used by shapes.
Traversal state.
Definition SoState.h:74
int SbBool
Boolean type.
Definition SbBase.h:87