PolyLineNodeT.hh

/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                       *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/




//=============================================================================
//
// CLASS PolyLineNodeT
//
// Author:  David Bommes <bommes@cs.rwth-aachen.de>
//
//=============================================================================


#ifndef ACG_POLYLINENODET_HH
#define ACG_POLYLINENODET_HH


//== INCLUDES =================================================================

#include <ACG/Scenegraph/BaseNode.hh>
#include <ACG/Scenegraph/DrawModes.hh>
#include <ACG/GL/VertexDeclaration.hh>
#include <ACG/GL/IRenderer.hh>
#include <ACG/GL/GLPrimitives.hh>

//== FORWARDDECLARATIONS ======================================================

//== NAMESPACES ===============================================================

namespace ACG {
namespace SceneGraph {

//== CLASS DEFINITION =========================================================




template <class PolyLine>
class PolyLineNodeT : public BaseNode
{
public:

  // typedefs for easy access
  typedef typename PolyLine::Point Point;

  PolyLineNodeT(PolyLine& _pl, BaseNode* _parent = 0, std::string _name = "<PolyLineNode>");

  ~PolyLineNodeT();

  PolyLine& polyline() { return polyline_; }

  ACG_CLASSNAME(PolyLineNodeT);

  DrawModes::DrawMode availableDrawModes() const;

  void boundingBox(Vec3d& _bbMin, Vec3d& _bbMax);

  void draw(GLState& /*_state*/,const DrawModes::DrawMode& _drawMode);

  void pick(GLState& _state, PickTarget _target);

  void getRenderObjects(ACG::IRenderer* _renderer, ACG::GLState&  _state , const ACG::SceneGraph::DrawModes::DrawMode&  _drawMode , const ACG::SceneGraph::Material* _mat);

  void update() { updateVBO_ = true; };


  int addCustomBuffer(const ACG::VertexElement& _desc, const void* _buffer);


  void setCustomBuffer(int _id, const void* _buffer);

private:

  void pick_vertices       ( GLState& _state );
  void pick_spheres        ( GLState& _state );
  void pick_spheres_screen ( GLState& _state );
  void pick_edges          ( GLState& _state, unsigned int _offset);

  PolyLineNodeT(const PolyLineNodeT& _rhs);

  PolyLineNodeT& operator=(const PolyLineNodeT& _rhs);

  ACG::VertexDeclaration vertexDecl_;

  ACG::VertexDeclaration vertexDeclVCol_;

  ACG::VertexDeclaration vertexDeclECol_;

  std::vector< std::pair<ACG::VertexElement, const void*> > customBuffers_;

  std::map< typename PolyLine::CustomPropertyHandle, int> polylinePropMap_;

  void updateVBO();

  void setupVertexDeclaration(VertexDeclaration* _dst, int _colorSource) const;

  void writeVertex(unsigned int _vertex, void* _dst);

  void writeVertexColor(unsigned int _vertex, bool _colorSourceVertex, void* _dst) const;

private:

  PolyLine& polyline_;

  unsigned int vbo_;

  std::vector<unsigned int> selectedVertexIndexBuffer_;

  std::vector<unsigned int> selectedEdgeIndexBuffer_;

  bool updateVBO_;

  GLSphere* sphere_;

  DrawModes::DrawMode POINTS_SPHERES;

  DrawModes::DrawMode POINTS_SPHERES_SCREEN;
};


//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================
#if defined(INCLUDE_TEMPLATES) && !defined(ACG_POLYLINENODET_C)
#define ACG_POLYLINENODET_TEMPLATES
#include "PolyLineNodeT.cc"
#endif
//=============================================================================
#endif // ACG_POLYLINENODET_HH defined
//=============================================================================