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
//=============================================================================