IndexedTriangleFanSet.h

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//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
#ifndef __INDEXEDTRIANGLEFANSET_H__
#define __INDEXEDTRIANGLEFANSET_H__
 
#include <H3D/X3DComposedGeometryNode.h>
#include <H3D/DependentNodeFields.h>
#include <H3D/X3DCoordinateNode.h>
#include <H3D/X3DColorNode.h>
#include <H3D/CoordBoundField.h>
#include <H3D/MFInt32.h>
 
namespace H3D {
 
  class H3DAPI_API IndexedTriangleFanSet : public X3DComposedGeometryNode {
  public:
    H3D_VALUE_EXCEPTION( int, NotEnoughColors );
 
     H3D_VALUE_EXCEPTION( int, NotEnoughTextureCoordinates );
 
    typedef CoordBoundField SFBound;
 
    
    class H3DAPI_API AutoNormal: 
      public TypedField< SFNormalNode,
                         Types< SFBool, SFCoordinateNode, MFInt32, SFBool > > {
      virtual void update();
 
      virtual X3DNormalNode *generateNormalsPerVertex( 
                                                      X3DCoordinateNode *_coord,
                                                      const vector< int > &index,
                                                      bool _ccw );
    
 
      virtual X3DNormalNode *generateNormalsPerFace( 
                                                    X3DCoordinateNode *_coord,
                                                    const vector< int > &index,
                                                    bool _ccw );
 
    };
 
    IndexedTriangleFanSet( Inst< SFNode           > _metadata        = 0,
                           Inst< SFBound          > _bound           = 0,
                           Inst< DisplayList      > _displayList     = 0,
                           Inst< SFColorNode      > _color           = 0,
                           Inst< SFCoordinateNode > _coord           = 0,
                           Inst< SFNormalNode     > _normal          = 0,
                           Inst< SFTextureCoordinateNode > _texCoord = 0,
                           Inst< SFBool           > _ccw             = 0,
                           Inst< SFBool           > _colorPerVertex  = 0,
                           Inst< SFBool           > _normalPerVertex = 0,
                           Inst< SFBool           > _solid           = 0,
                           Inst< MFVertexAttributeNode > _attrib     = 0,
                           Inst< AutoNormal       > _autoNormal      = 0,
                           Inst< MFInt32          > _set_index       = 0,
                           Inst< MFInt32          > _index           = 0,
                           Inst< SFFogCoordinate  > _fogCoord        = 0 );
 
    ~IndexedTriangleFanSet();
 
    // Traverse the scenegraph. See X3DGeometryNode::traverseSG
    // for more info.
    virtual void traverseSG( TraverseInfo &ti );  
 
    virtual void render();
 
    virtual int nrTriangles() {
      return index->size();
    }
 
    H3DUniquePtr< AutoNormal  >  autoNormal;
 
    H3DUniquePtr< MFInt32 > set_index;
 
    H3DUniquePtr< MFInt32 > index;
 
    static H3DNodeDatabase database;
  protected:
    H3DUniquePtr< Field > vboFieldsUpToDate;
    // The index for the vertex buffer object
    GLuint *vbo_id;
    // Vector needed to draw each fan using vbo.
    vector< GLsizei > nr_index_per_fan;
  };
}
 
#endif