PlanarReflector.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 __PLANARREFLECTOR_H__
#define __PLANARREFLECTOR_H__
 
#include <H3D/X3DGroupingNode.h>
#include <H3D/X3DBoundedObject.h>
#include <H3D/X3DGeometryNode.h>
#include <H3D/X3DViewpointNode.h>
#include <H3D/DependentNodeFields.h>
#include <H3D/H3DDisplayListObject.h>
#include <H3D/H3DMultiPassRenderObject.h>
#include <H3D/SFColor.h>
 
namespace H3D {
  class H3DAPI_API PlanarReflector : 
    public X3DChildNode,
    public X3DBoundedObject,
    public H3DDisplayListObject,
    public H3DMultiPassRenderObject {
  public:
    class SFGeometryNode: 
      public DependentSFNode< X3DGeometryNode, 
      FieldRef< H3DDisplayListObject,
      H3DDisplayListObject::DisplayList,
      &H3DDisplayListObject::displayList >, true > {
        typedef DependentSFNode< X3DGeometryNode, 
        FieldRef< H3DDisplayListObject,
                  H3DDisplayListObject::DisplayList,
                  &H3DDisplayListObject::displayList >, true > BaseField;
    public:
    
      SFGeometryNode() {}
 
      ~SFGeometryNode() {
        value = NULL;
      }
      
      virtual void onAdd( Node *n ) {
        PlanarReflector *pr = static_cast< PlanarReflector * >( getOwner() );
        BaseField::onAdd( n );
        if( n && pr->use_geometry_bound ) {
          X3DGeometryNode *g = static_cast< X3DGeometryNode * >( n );
          g->bound->route( pr->bound );
        }
      }
      
      virtual void onRemove( Node *n ) {
        PlanarReflector *pr = static_cast< PlanarReflector * >( getOwner() );
        BaseField::onRemove( n );
        if( n && pr->use_geometry_bound ) {
          X3DGeometryNode *g = static_cast< X3DGeometryNode * >( n );
          g->bound->unroute( pr->bound );
        }
      }
      
    };
 
    PlanarReflector( Inst< SFNode           > _metadata       = 0,
                     Inst< SFBound          > _bound          = 0,
                     Inst< SFVec3f          > _bboxCenter     = 0,
                     Inst< SFVec3f          > _bboxSize       = 0,
                     Inst< DisplayList      > _displayList    = 0,
                     Inst< SFGeometryNode   > _geometry       = 0,
                     Inst< SFFloat          > _reflectivity   = 0,
                     Inst< SFColor          > _color          = 0
                     );
 
    virtual void initialize() {
      const Vec3f &size = bboxSize->getValue();
      if( size.x == -1 && size.y == -1 && size.z == -1 ) {
        use_geometry_bound = true;
        X3DGeometryNode *g = 
          static_cast< X3DGeometryNode * >( geometry->getValue() );
        if( g ) {
          g->bound->route( this->bound );
        }
      } else {
        BoxBound *bb = new BoxBound();
        bb->center->setValue( bboxCenter->getValue() );
        bb->size->setValue( bboxSize->getValue() );
        bound->setValue( bb );
      }
      X3DChildNode::initialize();
    }
 
    virtual void renderPostViewpoint ( X3DChildNode *n,
                                       X3DViewpointNode *vp );
 
    virtual void traverseSG( TraverseInfo &ti );
 
    virtual bool lineIntersect(
      const Vec3f &from,
      const Vec3f &to,
      LineIntersectResult &result );
 
    virtual void closestPoint( const Vec3f &p,
                               NodeIntersectResult &result );
 
    virtual bool movingSphereIntersect( H3DFloat radius,
                                        const Vec3f &from, 
                                        const Vec3f &to,
                                        NodeIntersectResult &result );
 
    H3DUniquePtr< SFGeometryNode  >  geometry;
 
    H3DUniquePtr< SFFloat  > reflectivity;
 
    H3DUniquePtr< SFColor  > color;
 
    // if true a route will be set up between the bound field of the
    // geometry node in this field and the bound field of the shape. 
    bool use_geometry_bound;
 
    static H3DNodeDatabase database;
 
    Matrix4f local_to_global;
  };
}
 
#endif