X3DNurbsSurfaceGeometryNode.h

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//    Copyright 2004, 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 __X3DNURBSSURFACEGEOMETRYNODE_H__
#define __X3DNURBSSURFACEGEOMETRYNODE_H__

#include "X3DParametricGeometryNode.h"
#include "DependentNodeFields.h"
#include "X3DCoordinateNode.h"
#include "X3DTextureCoordinateNode.h"
#include "NurbsTextureCoordinate.h"
#include "CoordBoundField.h"
#include "SFInt32.h"
#include "MFDouble.h"
#include "TextureCoordinateGenerator.h"

namespace H3D {

  class H3DAPI_API X3DNurbsSurfaceGeometryNode : 
    public X3DParametricGeometryNode {
  public:
    
    typedef DependentSFNode< X3DCoordinateNode,
                             FieldRef< X3DGeometricPropertyNode,
                                       Field,
                                       &X3DCoordinateNode::propertyChanged > > 
    SFCoordinateNode;

    typedef DependentSFNode< 
                X3DGeometricPropertyNode,
                FieldRef< X3DGeometricPropertyNode,
                          Field,
                          &X3DGeometricPropertyNode::propertyChanged > > 
    TexCoordOrNurbsTexDependent;

    typedef CoordBoundField SFBound;

                class H3DAPI_API TexCoordOrNurbsTex: public TexCoordOrNurbsTexDependent {
                public:

                        ~TexCoordOrNurbsTex() {
                                value = NULL;
                        }

                        virtual void onAdd( Node *n ) {
                                SFNode::onAdd( n );
                                X3DTextureCoordinateNode *tex_coord_node = 
                                        dynamic_cast< X3DTextureCoordinateNode * >( n );

                                NurbsTextureCoordinate *nurbs_tex_coord = 
                                        dynamic_cast< NurbsTextureCoordinate * >( n );

                                if( !tex_coord_node && !nurbs_tex_coord ) {
                                        stringstream s;
                                        s << "Expecting X3DTextureCoordinateNode or NurbsTextureCoordinate";
                                        throw InvalidNodeType( n->getTypeName(),
                                                s.str(),
                                                H3D_FULL_LOCATION );
                                }
                        }
                };
    friend class TexCoordOrNurbsTex;

                ~X3DNurbsSurfaceGeometryNode() { 
                        if( nurbs_object ) gluDeleteNurbsRenderer( nurbs_object );
                }

    X3DNurbsSurfaceGeometryNode( Inst< SFNode      >  _metadata = 0,
                                 Inst< SFBound     > _bound = 0,
                                 Inst< DisplayList > _displayList = 0,
                                 Inst< MFBool      > _isTouched = 0,
                                 Inst< MFVec3f     > _force = 0,
                                 Inst< MFVec3f     > _contactPoint = 0,
                                 Inst< MFVec3f     > _contactNormal = 0,
                                 Inst< SFCoordinateNode > _controlPoint = 0,
                                 Inst< TexCoordOrNurbsTex > _texCoord = 0,
                                 Inst< SFInt32     > _uTessellation = 0,
                                 Inst< SFInt32     > _vTessellation = 0,
                                 Inst< MFDouble    > _weight = 0,
                                 Inst< SFBool      > _solid = 0,
                                 Inst< SFBool      > _uClosed = 0,
                                 Inst< SFBool      > _vClosed = 0,
                                 Inst< SFInt32     > _uDimension = 0,
                                 Inst< SFInt32     > _vDimension = 0,
                                 Inst< MFDouble    > _uKnot = 0,
                                 Inst< MFDouble    > _vKnot = 0,
                                 Inst< SFInt32     > _uOrder = 0,
                                 Inst< SFInt32     > _vOrder = 0 );

                virtual void render();

                virtual void renderBetweenBeginEnd(
                                                                                                                                GLUnurbsObj *nurbs_object,
                                                                                                                                X3DTextureCoordinateNode *tex_coord_node,
                                                                                                                                TextureCoordinateGenerator *tex_coord_gen,
                                                                                                                                NurbsTextureCoordinate *nurbs_tex_coord, 
                                                                                                                                GLfloat *texKnotU,
                                                                                                                                GLfloat *texKnotV,
                                                                                                                                GLfloat *texCoordinates, 
                                                                                                                                GLfloat *u_knots, 
                                                                                                                                GLfloat *v_knots, 
                                                                                                                                H3DInt32 &sizeOfVertex,
                                                                                                                                GLfloat *withWeights, 
                                                                                                                                H3DInt32 &uSizeToUse, 
                                                                                                                                H3DInt32 &vSizeToUse, 
                                                                                                                                H3DInt32 &map2Vertex3Or4 ) {};
    
    auto_ptr< SFCoordinateNode >  controlPoint;

    auto_ptr< TexCoordOrNurbsTex > texCoord;

    auto_ptr< SFInt32 > uTessellation;

    auto_ptr< SFInt32 > vTessellation;

    auto_ptr< MFDouble > weight;

    auto_ptr< SFBool  >  solid;

    auto_ptr< SFBool  >  uClosed;

    auto_ptr< SFBool  >  vClosed;

    auto_ptr< SFInt32  >  uDimension;

    auto_ptr< SFInt32  >  vDimension;

    auto_ptr< MFDouble >  uKnot;

    auto_ptr< MFDouble >  vKnot;

    auto_ptr< SFInt32  > uOrder;

    auto_ptr< SFInt32  > vOrder;

    static H3DNodeDatabase database;
                
        protected:
                GLUnurbsObj *nurbs_object;

  };
}

#endif

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