Geant4 Cross Reference

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Geant4/externals/g4tools/include/tools/sg/nodekit

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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_nodekit
  5 #define tools_sg_nodekit
  6 
  7 #include "pick_action"
  8 #include "group"
  9 
 10 namespace tools {
 11 namespace sg {
 12 
 13 inline void nodekit_pick(pick_action& a_action,node& a_sg,node* a_node) {
 14   if(a_action.stop_at_first()){
 15     a_sg.pick(a_action);
 16     if(a_action.done()) {
 17       a_action.set_node(a_node);
 18       a_action.save_state(a_action.state());
 19     }
 20   } else {
 21     // have a local pick_action to override node in the found pick list.
 22     pick_action action(a_action);
 23     a_sg.pick(action);
 24     typedef pick_action::pick_t pick_t;
 25     const std::vector<pick_t>& pks = action.picks();
 26     std::vector<pick_t>::const_iterator it;
 27     for(it=pks.begin();it!=pks.end();++it) {
 28       a_action.add_pick(*a_node,(*it).zs(),(*it).ws(),(*it).state());
 29     }
 30   }
 31 }
 32 
 33 }}
 34 
 35 #include "render_action"
 36 #include "bbox_action"
 37 
 38 namespace tools {
 39 namespace sg {
 40 
 41 class nodekit : public node {
 42   TOOLS_HEADER(nodekit,tools::sg::nodekit,node)
 43 public:
 44   virtual void update_sg(std::ostream&) = 0;
 45 public:
 46   virtual void render(render_action& a_action) {
 47     update_if_touched(a_action.out());
 48     m_group.render(a_action);
 49   }
 50   virtual void search(search_action& a_action) {
 51     update_if_touched(a_action.out());
 52     parent::search(a_action);
 53     if(a_action.done()) return;
 54     m_group.search(a_action);
 55   }
 56   virtual void bbox(bbox_action& a_action) {
 57     update_if_touched(a_action.out());
 58     m_group.bbox(a_action);
 59   }
 60 /*
 61   virtual void pick(pick_action& a_action) {
 62     update_if_touched(a_action.out());
 63     nodekit_pick(a_action,m_group,this);
 64   }
 65   virtual bool write(write_action& a_action) {
 66     update_if_touched(a_action.out());
 67     //if(!write_fields(a_action)) return false;
 68     return m_group.write(a_action);
 69   }
 70 */
 71 public:
 72   nodekit()
 73   :parent()
 74   {}
 75   virtual ~nodekit(){}
 76 public:
 77   nodekit(const nodekit& a_from)
 78   :parent(a_from)
 79   {}
 80   nodekit& operator=(const nodekit& a_from){
 81     parent::operator=(a_from);
 82     return *this;
 83   }
 84 protected:
 85   void update_if_touched(std::ostream& a_out) {
 86     if(touched()) {
 87       update_sg(a_out);
 88       reset_touched();
 89     }
 90   }
 91 protected:
 92   group m_group;
 93 };
 94 
 95 }}
 96 
 97 #endif