object_instance_list.h

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//
// yet more classes! stuart meikle 
// Fri Jul  7 10:50:46 2000
//


#ifndef OBJECT_INSTANCE_LIST_H
#define OBJECT_INSTANCE_LIST_H

#include <boost/shared_ptr.hpp>
#include <list>
#include "object.h"
#include "coordinate_xform.h"

namespace mimas {
class object_instance_list : public object
{
    //NB: because this is an object too we can have lists of lists!

    //this only really makes sense w.r.t. some other fixed co-ordinate system
    //eg the global gui co-ordinate system or something.
    private:
        object_ptr o;
        coordinate_xform_ptr_list locations;
    
    public:
  object_instance_list(void)
  {
     // o=NULL;

  }
//  ~object_instance_list(void)
//  {
//        coordinate_xform_ptr_list::iterator it;
  
//      for(it = locations.begin(); it != locations.end(); it++)
//      {
//    delete (*it);
    
//    #ifdef MODS
//       cout << "@STU -> check that ~object_inst_list can delete lists of lists" << std::endl;
//    #endif
//      }
//  }
  
  void  setObject( object_ptr ob ) { o=ob; }
  object_ptr getObject(void)
    { return o; }
  
  bool  empty(void)
    { return locations.empty(); }
   coordinate_xform_ptr_list& getList(void) 
    { return locations; }
  void  push_back( coordinate_xform_ptr m )
    { locations.push_back(m); }
};

typedef boost::shared_ptr< object_instance_list > object_instance_list_ptr;

}

#endif

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