Method undo

Engine/source/gui/worldEditor/guiMissionArea.cpp:696–715

//------------------------------------------------------------------------------

void GuiMissionAreaUndoAction::undo()
{
   MissionArea *ma = NULL;
   if ( !Sim::findObject( mObjId, ma ) )
      return;

   // Temporarily save the MissionArea's current data.
   RectI area = ma->getArea();

   // Restore the MissionArea properties saved in the UndoAction
   ma->setArea( mArea );
   ma->inspectPostApply();

   // Now save the previous Mission data in this UndoAction
   // since an undo action must become a redo action and vice-versa
   mArea = area;

   // Let the script get a chance at it.
   Con::executef( mMissionAreaEditor, "onUndo" );
}