Geant4 Cross Reference

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Geant4/externals/g4tools/include/tools/sg/torche

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  1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.
  3 
  4 #ifndef tools_sg_torche
  5 #define tools_sg_torche
  6 
  7 // directional light
  8 
  9 #include "node"
 10 #include "sf_vec3f"
 11 #include "render_action"
 12 
 13 #include "../colorfs"
 14 
 15 namespace tools {
 16 namespace sg {
 17 
 18 class torche : public node {
 19   TOOLS_NODE(torche,tools::sg::torche,node)
 20 public:
 21   sf_vec<colorf,float> color;
 22   sf_vec<colorf,float> ambient;
 23   sf_vec3f direction;
 24   sf<bool> on;
 25 public:
 26   virtual const desc_fields& node_desc_fields() const {
 27     TOOLS_FIELD_DESC_NODE_CLASS(tools::sg::torche)
 28     static const desc_fields s_v(parent::node_desc_fields(),4, //WARNING : take care of count.
 29       TOOLS_ARG_FIELD_DESC(color),
 30       TOOLS_ARG_FIELD_DESC(ambient),
 31       TOOLS_ARG_FIELD_DESC(direction),
 32       TOOLS_ARG_FIELD_DESC(on)
 33     );
 34     return s_v;
 35   }
 36 private:
 37   void add_fields(){
 38     add_field(&color);
 39     add_field(&ambient);
 40     add_field(&direction);
 41     add_field(&on);
 42   }
 43 public:
 44   virtual void render(render_action& a_action) {
 45     if(!on.value()) return;
 46     state& state = a_action.state();
 47     if((state.m_light+1)>=a_action.max_lights()) {
 48       a_action.out()
 49         << "GL_MAX_LIGHTS (" << a_action.max_lights() << ") reached."
 50         << std::endl;
 51       return;
 52     }
 53     state.m_GL_LIGHTING = true;
 54     a_action.enable_light(state.m_light,direction.value(),color.value(),ambient.value());
 55     state.m_light++;
 56   }
 57 public:
 58   torche()
 59   :parent()
 60   ,color(colorf_white())
 61   ,ambient(colorf_black())
 62   ,direction(vec3f(0,0,-1))
 63   ,on(true)
 64   {
 65     add_fields();
 66   }
 67   virtual ~torche(){}
 68 public:
 69   torche(const torche& a_from)
 70   :parent(a_from)
 71   ,color(a_from.color)
 72   ,ambient(a_from.ambient)
 73   ,direction(a_from.direction)
 74   ,on(a_from.on)
 75   {
 76     add_fields();
 77   }
 78   torche& operator=(const torche& a_from){
 79     parent::operator=(a_from);
 80     color = a_from.color;
 81     ambient = a_from.ambient;
 82     direction = a_from.direction;
 83     on = a_from.on;
 84     return *this;
 85   }
 86 };
 87 
 88 }}
 89 
 90 #endif