ElevationGrid.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 __ELEVATIONGRID_H__
#define __ELEVATIONGRID_H__

#include "X3DGeometryNode.h"
#include "X3DCoordinateNode.h"
#include "TextureCoordinateGenerator.h"
#include "X3DColorNode.h"
#include "X3DNormalNode.h"
#include "X3DVertexAttributeNode.h"
#include "DependentNodeFields.h"
#include "SFInt32.h"
#include "SFFloat.h"

namespace H3D {

  class H3DAPI_API ElevationGrid : public X3DGeometryNode {
  public:
    typedef  DependentSFNode< X3DColorNode,
                              FieldRef< X3DGeometricPropertyNode,
                                        Field,
                                        &X3DColorNode::propertyChanged > >  
    SFColorNode;
    
    typedef DependentSFNode< X3DNormalNode,
                             FieldRef< X3DGeometricPropertyNode,
                                       Field,
                                       &X3DNormalNode::propertyChanged > > 
    SFNormalNode;

    typedef DependentSFNode< 
                X3DTextureCoordinateNode,
                FieldRef< X3DGeometricPropertyNode,
                          Field,
                          &X3DTextureCoordinateNode::propertyChanged > > 
    SFTextureCoordinateNode;   

    typedef DependentMFNode< 
                X3DVertexAttributeNode,
                FieldRef< X3DGeometricPropertyNode,
                          Field,
                          &X3DVertexAttributeNode::propertyChanged > > 
    MFVertexAttributeNode;    

    class H3DAPI_API AutoNormal: 
      public TypedField< SFNormalNode,
                         Types< SFBool, 
                                SFInt32, 
                                SFInt32, 
                                SFFloat,
                                SFFloat,
                                MFFloat,
                                SFBool,
                                SFFloat > > {
      virtual void update();

      virtual X3DNormalNode *generateNormalsPerVertex( 
                               H3DInt32 x_dim,
                               H3DInt32 z_dim,
                               H3DFloat x_spacing,
                               H3DFloat z_spacing,
                               const vector< H3DFloat > &height,
                               bool ccw,
                               H3DFloat crease_angle );
    
       virtual X3DNormalNode *generateNormalsPerVertex( 
                               H3DInt32 x_dim,
                               H3DInt32 z_dim,
                               H3DFloat x_spacing,
                               H3DFloat z_spacing,
                               const vector< H3DFloat > &height,
                               bool ccw );

      virtual X3DNormalNode *generateNormalsPerFace(  
                               H3DInt32 x_dim,
                               H3DInt32 z_dim,
                               H3DFloat x_spacing,
                               H3DFloat z_spacing,
                               const vector< H3DFloat > &height,
                               bool ccw );

    };

    class H3DAPI_API SFBound: public TypedField< X3DGeometryNode::SFBound,
                                      Types< SFInt32, SFInt32, 
                                             SFFloat, SFFloat, MFFloat > >{
      virtual void update();
    };

    class H3DAPI_API DisplayList: public X3DGeometryNode::DisplayList {
    protected:
      virtual void callList( bool build_list );
    };

    virtual void startTexGen( TextureCoordinateGenerator *tex_coord_gen );

    virtual void stopTexGen( TextureCoordinateGenerator *tex_coord_gen );

    virtual void renderTexCoord( int index, X3DTextureCoordinateNode *tc );

    virtual void renderTexCoord( const Vec3f &tc );

    virtual void renderTexCoordArray( X3DTextureCoordinateNode *tc );

    virtual void disableTexCoordArray( X3DTextureCoordinateNode *tc );

    virtual void render();

    ElevationGrid( Inst< SFNode           > _metadata        = 0,
                   Inst< SFBound          > _bound           = 0,
                   Inst< DisplayList      > _displayList     = 0,
                   Inst< SFColorNode      > _color           = 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< SFFloat          > _creaseAngle     = 0,
                   Inst< SFInt32          > _xDimension      = 0,
                   Inst< SFInt32          > _zDimension      = 0,
                   Inst< SFFloat          > _xSpacing        = 0,
                   Inst< SFFloat          > _zSpacing        = 0,
                   Inst< MFFloat          > _height          = 0 );

    auto_ptr< SFColorNode >  color;

    auto_ptr< SFNormalNode >  normal;
    
    auto_ptr< SFTextureCoordinateNode >  texCoord;
    
    auto_ptr< SFBool >  ccw;
    
    auto_ptr< SFBool >  colorPerVertex;

    auto_ptr< SFBool >  normalPerVertex;

    auto_ptr< SFBool >  solid;
    
    auto_ptr< MFVertexAttributeNode > attrib;

    auto_ptr< SFFloat > creaseAngle;

    auto_ptr< SFInt32 > xDimension;

    auto_ptr< SFInt32 > zDimension;
  
    auto_ptr< SFFloat > xSpacing;

    auto_ptr< SFFloat > zSpacing;

    auto_ptr< MFFloat > height;

    auto_ptr< AutoNormal  >  autoNormal;

    static H3DNodeDatabase database;
  };
}

#endif

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