Extrusion.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 __EXTRUSION_H__
#define __EXTRUSION_H__
 
#include <H3D/X3DGeometryNode.h>
#include <H3D/SFInt32.h>
#include <H3D/SFFloat.h>
#include <H3D/MFRotation.h>
#include <H3D/MFVec2f.h>
#include <H3D/DependentNodeFields.h>
#include <H3D/Normal.h>
 
namespace H3D {
 
  class H3DAPI_API Extrusion : public X3DGeometryNode {
  public:
 
    typedef DependentSFNode< Normal,
                             FieldRef< X3DGeometricPropertyNode,
                                       Field,
                                       &X3DNormalNode::propertyChanged > > 
    SFNormalNode;
 
    class H3DAPI_API SFBound: public TypedField< X3DGeometryNode::SFBound,
                                      Types< MFVec3f > >{
      virtual void update();
    };
 
    class H3DAPI_API VertexVector: 
      public TypedField< MFVec3f,
                         Types< MFVec2f, 
                                MFRotation, 
                                MFVec2f, 
                                MFVec3f > > {
      virtual void update();
    };
#ifdef __BORLANDC__
    friend class VertexVector;
#endif
 
    class H3DAPI_API AutoNormal: 
      public TypedField< SFNormalNode,
                         Types< VertexVector,
                                SFFloat,
                                SFBool,
                                SFBool > > {
      virtual void update();
 
      virtual Normal *generateNormalsPerVertex(
                      const vector < Vec3f > &vertex_vector,
                      const vector < Vec2f > &cross_section,
                      vector < Vec3f > &yAxis,
                      bool ccw_value,
                      H3DInt32 nr_of_cross_section_points,
                      H3DInt32 spine_size,
                      bool closedSpine,
                      H3DFloat crease_angle,
                      bool begin_cap,
                      bool end_cap );
    
      virtual Normal *generateNormalsPerVertex(
                      const vector < Vec3f > &vertex_vector,
                      const vector < Vec2f > &cross_section,
                      vector < Vec3f > &yAxis,
                      bool ccw_value,
                      H3DInt32 nr_of_cross_section_points,
                      H3DInt32 spine_size,
                      bool closedSpine,
                      bool begin_cap,
                      bool end_cap );
 
      virtual Normal *generateNormalsPerFace(
                      const vector < Vec3f > &vertex_vector,
                      const vector < Vec2f > &cross_section,
                      vector < Vec3f > &yAxis,
                      bool ccw_value,
                      H3DInt32 nr_of_cross_section_points,
                      H3DInt32 spine_size,
                      bool closedCrossSection,
                      bool begin_cap,
                      bool end_cap );
    };
 
 
    virtual void render();
 
    virtual int nrTriangles() {
      return( crossSection->size() * 2 + 
              crossSection->size() * spine->size() * 2 );
    }
 
    // Traverse the scenegraph. See X3DGeometryNode::traverseSG
    // for more info.
    virtual void traverseSG( TraverseInfo &ti );  
 
    Extrusion( Inst< SFNode           > _metadata        = 0,
               Inst< SFBound          > _bound           = 0,
               Inst< DisplayList      > _displayList     = 0,
               Inst< SFBool           > _beginCap         = 0,
               Inst< SFBool           > _ccw             = 0,
               Inst< SFBool           > _convex           = 0,
               Inst< SFFloat          > _creaseAngle     = 0,
               Inst< MFVec2f          > _crossSection    = 0,
               Inst< SFBool           > _endCap           = 0,
               Inst< MFRotation       > _orientation     = 0,
               Inst< MFVec2f          > _scale           = 0,
               Inst< SFBool           > _solid           = 0,
               Inst< MFVec3f          > _spine           = 0 );
 
    H3DUniquePtr< SFBool > beginCap;
 
  
    H3DUniquePtr< SFBool > ccw;
    
    H3DUniquePtr< SFBool > convex;
 
    H3DUniquePtr< SFFloat > creaseAngle;
 
    H3DUniquePtr< MFVec2f > crossSection;
 
    H3DUniquePtr< SFBool > endCap;
 
    H3DUniquePtr< MFRotation > orientation;
 
    H3DUniquePtr< MFVec2f > scale;
 
    H3DUniquePtr< SFBool > solid;
 
    H3DUniquePtr< MFVec3f > spine;
 
    H3DUniquePtr< VertexVector > vertexVector;
 
    H3DUniquePtr< AutoNormal > autoNormal;
 
    static H3DNodeDatabase database;
  protected:
    // Texture coordinates for u, v direction of the body.
    vector< H3DFloat > u_tex_coord;
    vector< H3DFloat > v_tex_coord;
    // Texture coordinates for the caps.
    vector< Vec3f > caps_tex_coord;
  };
}
 
#endif