FSO.LotView.Components.WallComponent.GetCutEdges C# (CSharp) Method

        private CutawayEdges GetCutEdges(int x, int y)
        {
            var result = new CutawayEdges();
            if (!WallsDownAt(x + 1, y)) result |= CutawayEdges.PositiveX;
            if (!WallsDownAt(x - 1, y)) result |= CutawayEdges.NegativeX;
            if (!WallsDownAt(x, y + 1)) result |= CutawayEdges.PositiveY;
            if (!WallsDownAt(x, y - 1)) result |= CutawayEdges.NegativeY;
            if (!WallsDownAt(x - 1, y - 1)) result |= CutawayEdges.SpecialNegativeX | CutawayEdges.SpecialNegativeY;
            if (!WallsDownAt(x - 1, y + 1)) result |= CutawayEdges.SpecialPositiveY;
            if (!WallsDownAt(x + 1, y - 1)) result |= CutawayEdges.SpecialPositiveX;
            return result;
        }