PolyLineNodeT.hh

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//=============================================================================
//
// 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>
#include <ACG/GL/globjects.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 override;

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

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

  void pick(GLState& _state, PickTarget _target) override;

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

  void update() { updateVBO_ = true; };


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


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



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


  size_t fillVertexBuffer(void* _buf, size_t _bufSize, bool _addLineStripEndVertex);

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 writeVertex(unsigned int _vertex, void* _dst);

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

private:

  PolyLine& polyline_;

  GeometryBuffer 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_impl.hh"
#endif
//=============================================================================
#endif // ACG_POLYLINENODET_HH defined
//=============================================================================