returns a mask which marks ingredient positions for a given item in this recipe(for example mask of value 3 [....000011] means this item is both ingredient 1 and 2 in this recipe[from right to left])
См. определение в файле RecipeBase.c строка 608
Перекрестные ссылки m_Ingredients, MAX_NUMBER_OF_INGREDIENTS, Math::Pow() и x.