Method undo

Engine/source/gui/worldEditor/undoActions.cpp:70–94

}

void MECreateUndoAction::undo()
{
   for ( S32 i= mObjects.size()-1; i >= 0; i-- )
   {
      ObjectState &state = mObjects[i];

      SimObject *object = Sim::findObject( state.id );
      if ( !object )
         continue;

      // Save the state.
      if ( !state.memento.hasState() )
         state.memento.save( object );

      // Store the group.
      SimGroup *group = object->getGroup();
      if ( group )
         state.groupId = group->getId();

      // We got what we need... delete it.
      object->deleteObject();
   }
   
   Con::executef( this, "onUndone" );
}

void MECreateUndoAction::redo()
{