Developer Documentation
PolyLineCollectionNodeT.hh
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41 
42 
43 
44 #ifndef POLYLINE_COLLECTION_NODE_T_HH
45 #define POLYLINE_COLLECTION_NODE_T_HH
46 
47 
48 //== INCLUDES =================================================================
49 
50 #include <ACG/Scenegraph/BaseNode.hh>
51 #include <ACG/Scenegraph/DrawModes.hh>
52 #include <ACG/GL/VertexDeclaration.hh>
53 #include <ACG/GL/IRenderer.hh>
54 #include <ACG/GL/GLPrimitives.hh>
55 #include <ACG/GL/globjects.hh>
56 #include <ObjectTypes/PolyLine/PolyLineNodeT.hh>
57 
58 //== FORWARDDECLARATIONS ======================================================
59 
60 //== NAMESPACES ===============================================================
61 
62 namespace ACG {
63 namespace SceneGraph {
64 
65 //== CLASS DEFINITION =========================================================
66 
67 
68 
69 
75 template <class PolyLineCollection>
77 {
78 public:
79 
80  // typedefs for easy access
81  typedef typename PolyLineCollection::PolyLine::Point Point;
82 
84  PolyLineCollectionNodeT(PolyLineCollection& _pl, BaseNode* _parent = 0, std::string _name = "<PolyLineCollectionNode>");
85 
87  virtual ~PolyLineCollectionNodeT();
88 
89  PolyLineCollection& polyline_collection() { return polyline_collection_; }
90 
93 
95  DrawModes::DrawMode availableDrawModes() const override;
96 
98  void boundingBox(Vec3d& _bbMin, Vec3d& _bbMax) override;
99 
101  void draw(GLState& /*_state*/,const DrawModes::DrawMode& _drawMode) override;
102 
104  void pick(GLState& _state, PickTarget _target) override;
105 
113  void getRenderObjects(ACG::IRenderer* _renderer, ACG::GLState& _state , const ACG::SceneGraph::DrawModes::DrawMode& _drawMode , const ACG::SceneGraph::Material* _mat) override;
114 
116  void update() { updateVBO_ = true; }
117  void resetVBO() {offsets_.clear();}
118 
119 private:
120 
123 
126 
128  ACG::VertexDeclaration vertexDecl_; // layout without colors
129  ACG::VertexDeclaration vertexDeclVColor_; // layout with vertex colors
130  ACG::VertexDeclaration vertexDeclEColor_; // layout with edge colors
131 
137  void updateVBO();
138 
139 
140  void pick_vertices(GLState& _state);
141  void pick_edges(GLState& _state, unsigned int _offset = 0);
142 
143 private:
144 
147 
149  GeometryBuffer vbo_;
150 
152  IndexBuffer ibo_;
153 
156 
159 
161  std::vector<std::pair<size_t, size_t> > offsets_;
162 
163  std::vector< PolyLineNodeT<typename PolyLineCollection::PolyLine>* > polylineNodes_;
164 
165  size_t total_vertex_count_;
166  size_t total_segment_count_;
167 };
168 
169 
170 //=============================================================================
171 } // namespace SceneGraph
172 } // namespace ACG
173 //=============================================================================
174 #if defined(INCLUDE_TEMPLATES) && !defined(ACG_POLYLINECOLLECTIONNODET_C)
175 #define ACG_POLYLINECOLLECTIONNODET_TEMPLATES
176 #include "PolyLineCollectionNodeT_impl.hh"
177 #endif
178 
179 
180 #endif // POLYLINE_COLLECTION_NODE_T_HH
void draw(GLState &, const DrawModes::DrawMode &_drawMode) override
draw lines and normals
void getRenderObjects(ACG::IRenderer *_renderer, ACG::GLState &_state, const ACG::SceneGraph::DrawModes::DrawMode &_drawMode, const ACG::SceneGraph::Material *_mat) override
Add the objects to the given renderer.
Namespace providing different geometric functions concerning angles.
void boundingBox(Vec3d &_bbMin, Vec3d &_bbMax) override
update bounding box
Class to define the vertex input layout.
PolyLineCollectionNodeT & operator=(const PolyLineCollectionNodeT &_rhs)
Assignment operator (not used)
bool updateVBO_
Flag to trigger update of vbo.
PickTarget
What target to use for picking.
Definition: PickTarget.hh:73
ACG_CLASSNAME(PolyLineCollectionNodeT)
static name of this class
PolyLineCollection & polyline_collection_
The associated poly line collection.
void update()
Trigger an update of the vbo.
void pick(GLState &_state, PickTarget _target) override
picking
PolyLineCollectionNodeT(PolyLineCollection &_pl, BaseNode *_parent=0, std::string _name="<PolyLineCollectionNode>")
Constructor.
void updateVBO()
Trigger an update of the vbo.
ACG::VertexDeclaration vertexDecl_
Buffer organization.
IndexBuffer ibo_
IBO used to render the poly line.
GeometryBuffer vbo_
VBO used to render the poly line.
DrawModes::DrawMode availableDrawModes() const override
return available draw modes
std::vector< std::pair< size_t, size_t > > offsets_
(Offset in vbo, Vertex count in vbo) for each poly line
GLSphere * sphere_
Sphere for VertexSphere DrawMode.