Bitmask.getBitmask C# (CSharp) Method

    private int getBitmask()
    {
        int bitmask = 0;
        bitmask += getBitmask(x  , y  , S);
        bitmask += getBitmask(x  , y+1, W);
        bitmask += getBitmask(x+1, y  , D);
        bitmask += getBitmask(x-1, y  , A);
        bitmask += getBitmask(x+1, y+1, E);
        bitmask += getBitmask(x-1, y+1, Q);
        return bitmask;
    }