Source/System/FieldContainer/Misc/OSGSceneGraphUtils.inl

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   5  *           Copyright (C) 2003 by the OpenSG Forum                          *
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  37 \*---------------------------------------------------------------------------*/
  38
  39 OSG_BEGIN_NAMESPACE
  40
  41 namespace
  42 {
  43     template<class CoreT>
  44     struct CoreCollector
  45     {
  46         std::vector<CoreT *> &_vResultStore;
  47
  48         CoreCollector(std::vector<CoreT *> &vResultStore);
  49         ~CoreCollector(void);
  50
  51         Action::ResultE travEnter(Node * const pRoot);
  52
  53       private:
  54
  55         CoreCollector(const CoreCollector &source);
  56         void operator =(const CoreCollector &source);
  57     };
  58
  59     template <class CoreT> inline
  60     CoreCollector<CoreT>::CoreCollector(std::vector<CoreT *> &vResultStore) :
  61         _vResultStore(vResultStore)
  62     {
  63     }
  64
  65     template <class CoreT> inline
  66     CoreCollector<CoreT>::~CoreCollector(void)
  67     {
  68     }
  69
  70     template <class CoreT> inline
  71     Action::ResultE CoreCollector<CoreT>::travEnter(Node * const pRoot)
  72     {
  73         if(pRoot != NULL)
  74         {
  75             CoreT *pTypedCore = dynamic_cast<CoreT *>(pRoot->getCore());
  76
  77             if(pTypedCore != NULL)
  78             {
  79                 _vResultStore.push_back(pTypedCore);
  80             }
  81         }
  82
  83         return Action::Continue;
  84     }
  85 }
  86
  87 template<class CoreT> inline
  88 void collectCoresByType(Node                 *pRoot,
  89                         std::vector<CoreT *> &result)
  90 {
  91     CoreCollector<CoreT> oCoreColl(result);
  92
  93     traverse(pRoot, boost::bind(&CoreCollector<CoreT>::travEnter,
  94                                 &oCoreColl,
  95                                 _1                              ));
  96 }
  97
  98 OSG_END_NAMESPACE