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diguyOsgGraphicsLink.h
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1 #ifndef diguyOsgGraphicsLink_h__
2 #define diguyOsgGraphicsLink_h__
3 
4 
5 /*********************************************************************
6  **
7  *2 diguyOsgGraphicsLink
8  **
9  */
10 
11 #include <diguyGraphicsLink.h>
12 
13 #include <osg/Group>
14 #include <osg/MatrixTransform>
15 #include <osgViewer/Viewer>
16 
17 class diguyGraphicsState;
18 class diguyOsgGraphicsShaderProgram;
19 class diguyOsgGraphicsShaderInstance;
20 class diguyOsgGraphicsState;
21 
22 
23 /**********************************************************************
24  **
25  ** Class declaration. diguyOsgGraphicsLink publicly inherits
26  ** diguyGraphicsLink. Virtual functions are declared for some of the
27  ** virtual functions in the base class.
28  */
29 class diguyOsgGraphicsLink : public diguyGraphicsLink
30 {
31 
32 public:
33 
34  diguyOsgGraphicsLink(void* internal_data);
35 
36  virtual void build();
37  virtual void unbuild();
38  virtual void update();
39  virtual void attach_to_scene();
40  virtual void detach_from_scene();
41  virtual void instancing_state_changed(int is_instanced);
42  virtual void set_shader_instance(diguyGraphicsShaderInstance* shader_instance);
43 
44  virtual void post_build();
45 
46  osg::MatrixTransform* get_dof_node() {return m_dof_node.get();}
47  osg::StateSet* get_top_level_state_set();
48 
49  static osg::Group* get_instancing_attach_node() { return s_diguy_instancing_attach_pt; }
50 
51  static void set_diguy_attach_ptr(osg::Group* diguy_attach_pt);
52 
53  static osgViewer::Viewer* get_viewer() {return s_viewer; }
54  static void set_viewer(osgViewer::Viewer* viewer) {s_viewer = viewer;}
55 
57 
58 protected:
59 
60  osg::Geode* make_bounding_sphere_visual(osg::Vec3& center, float radius);
61 
62  osg::ref_ptr<osg::Texture2D> get_default_variation_texture();
63 
64 // diguyGraphicsState* get_top_level_graphics_state();
65 // void recursive_post_build(diguyGraphicsState* first_state);
66 
67  osg::ref_ptr<osg::MatrixTransform> m_offset_node;
68  osg::ref_ptr<osg::MatrixTransform> m_dof_node;
69 
70  osg::ref_ptr<osg::Uniform> m_ufrm_link_matrix;
71  osg::ref_ptr<osg::Uniform> m_ufrm_inverse_transform_matrix;
72  osg::ref_ptr<osg::Uniform> m_ufrm_eye_point_os;
73  osg::ref_ptr<osg::Uniform> m_ufrm_light_dir_os;
74 
75  osg::ref_ptr<osg::Geode> m_bounding_sphere_visual;
76 
77  static osg::Group* s_diguy_attach_pt;
78  static osg::Group* s_diguy_instancing_attach_pt;
79  static osgViewer::Viewer* s_viewer;
80 
81 
82  diguyOsgGraphicsShaderInstance* m_diguy_osg_shader_instance;
83  diguyOsgGraphicsShaderProgram* m_diguy_osg_shader_program;
84 
85  static osg::ref_ptr<osg::Texture2D> sm_degenerate_texture;
86 };
87 
88 
93 diguyGraphicsLink* diguyOsgGraphicsLink_create_func(void* internal_data);
94 #endif // diguyOsgGraphicsLink_h__
95 
96