Method getCommonParent

Engine/source/console/consoleObject.cpp:297–334

}

AbstractClassRep *AbstractClassRep::getCommonParent( const AbstractClassRep *otherClass ) const
{
   // CodeReview: This may be a noob way of doing it. There may be some kind of
   // super-spiffy algorithm to do what the code below does, but this appeared
   // to make sense to me, and it is pretty easy to see what it is doing [6/23/2007 Pat]

   static VectorPtr<AbstractClassRep *> thisClassHeirarchy;
   thisClassHeirarchy.clear();

   AbstractClassRep *walk = const_cast<AbstractClassRep *>( this );

   while( walk != NULL )
   {
      thisClassHeirarchy.push_front( walk );
      walk = walk->getParentClass();
   }

   static VectorPtr<AbstractClassRep *> compClassHeirarchy;
   compClassHeirarchy.clear();
   walk = const_cast<AbstractClassRep *>( otherClass );
   while( walk != NULL )
   {
      compClassHeirarchy.push_front( walk );
      walk = walk->getParentClass();
   }

   // Make sure we only iterate over the list the number of times we can
   S32 maxIterations = getMin( compClassHeirarchy.size(), thisClassHeirarchy.size() );

   U32 i = 0;
   for( ; i < maxIterations; i++ )
   {
      if( compClassHeirarchy[i] != thisClassHeirarchy[i] )
         break;
   }

   return compClassHeirarchy[i];
}

//------------------------------------------------------------------------------
//-------------------------------------- ConsoleObject