for _, object in pairs(object_list) do

    if object.existing_object then

      object.existing_objects = {object.existing_object}

    end

    self.objects[#self.objects + 1] = object

    if pay_for then

      local build_cost = self.ui.hospital:getObjectBuildCost(object.object.id)

      self.ui.hospital:spendMoney(object.qty * build_cost, _S.transactions.buy_object .. ": " .. object.object.name, object.qty * build_cost)

    end

  end

 

  for _,ob in ipairs(self.objects) do

    if ob.object.orientations == nil then

      print(ob)

      for k,v in pairs(ob) do

        print("    ", k,v)

        if k == "object" then

          for ok,ov in pairs(v) do

            print("        ", ok,ov)

          end

        end

      end

      print()

    end

  end

 

  -- sort list by size of object (number of tiles in the first existing orientation (usually north))

  table.sort(self.objects, function(o1, o2)

    local orient1 = o1.object.orientations.north or o1.object.orientations.east

                 or o1.object.orientations.south or o1.object.orientations.west

    local orient2 = o2.object.orientations.north or o2.object.orientations.east

                 or o2.object.orientations.south or o2.object.orientations.west

    return #orient1.footprint > #orient2.footprint

  end)