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c:/home/kevn/src/animaniac/ani/Dynamics/operators/GlobalOperator.h

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#ifndef GLOBAL_OPERATOR
#define GLOBAL_OPERATOR

#include <boost/smart_ptr.hpp>
#include <gmtl/Vec.h>
#include "ani/Dynamics/Operator.h"
#include "ani/Dynamics/DynamicSystem.h"

namespace ani
{
   template<class __EntityType>
   class GlobalOperator : public ani::Operator<__EntityType>
   {
   public:
      typedef boost::shared_ptr<__EntityType> EntityTypePtr;

   public:
      GlobalOperator() : mIgnoreList() {}
      virtual ~GlobalOperator() {}
      void ignore( EntityTypePtr p )
      {
         assert( p->isInSystem() == true && "can't ignore particles not in the system" );
         mIgnoreList.push_back( p );
         assert( this->isIgnored( p ) == true && "sanity check, it is really in the list now?");
      }
      
      bool isIgnored( EntityTypePtr p )
      {
         // bool found = false;
         std::vector<EntityTypePtr>::iterator it;
         std::list< std::vector<EntityTypePtr>::iterator > toKill;
         for (it = mIgnoreList.begin(); it != mIgnoreList.end(); ++it)
         {
            if ((*it)->isInSystem() == false)
            {
               toKill.push_back( it );
            }

            EntityTypePtr crap = (*it);
            if (crap == p )
            {
               return true;
            }
         }

         if (toKill.size() > 0)
         {
            std::list< std::vector<EntityTypePtr>::iterator >::iterator kit;
            for (kit = toKill.begin(); kit != toKill.end(); ++kit)
            {
               mIgnoreList.erase( (*kit) );
            }
         }
         return false;
      }
   protected:
      std::vector<EntityTypePtr> mIgnoreList;
   };
} // end of namespace

#endif

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