PolyLineCollectionNodeT.hh

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#ifndef POLYLINE_COLLECTION_NODE_T_HH
#define POLYLINE_COLLECTION_NODE_T_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>
#include <ObjectTypes/PolyLine/PolyLineNodeT.hh>

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

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

namespace ACG {
namespace SceneGraph {

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




template <class PolyLineCollection>
class PolyLineCollectionNodeT : public BaseNode
{
public:

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

  PolyLineCollectionNodeT(PolyLineCollection& _pl, BaseNode* _parent = 0, std::string _name = "<PolyLineCollectionNode>");

  virtual ~PolyLineCollectionNodeT();

  PolyLineCollection& polyline_collection() { return polyline_collection_; }

  ACG_CLASSNAME(PolyLineCollectionNodeT);

  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; }
  void resetVBO() {offsets_.clear();}

private:

  PolyLineCollectionNodeT(const PolyLineCollectionNodeT& _rhs);

  PolyLineCollectionNodeT& operator=(const PolyLineCollectionNodeT& _rhs);

  ACG::VertexDeclaration vertexDecl_;       // layout without colors
  ACG::VertexDeclaration vertexDeclVColor_; // layout with vertex colors
  ACG::VertexDeclaration vertexDeclEColor_; // layout with edge colors

  void updateVBO();


  void pick_vertices(GLState& _state);
  void pick_edges(GLState& _state, unsigned int _offset = 0);

private:

  PolyLineCollection& polyline_collection_;

  GeometryBuffer vbo_;

  IndexBuffer ibo_;

  bool updateVBO_;

  GLSphere* sphere_;

  std::vector<std::pair<size_t, size_t> > offsets_;

  std::vector< PolyLineNodeT<typename PolyLineCollection::PolyLine>* > polylineNodes_;

  size_t total_vertex_count_;
  size_t total_segment_count_;
};


//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================
#if defined(INCLUDE_TEMPLATES) && !defined(ACG_POLYLINECOLLECTIONNODET_C)
#define ACG_POLYLINECOLLECTIONNODET_TEMPLATES
#include "PolyLineCollectionNodeT_impl.hh"
#endif


#endif // POLYLINE_COLLECTION_NODE_T_HH