namespace Evil
{
    public struct Bitmask
    {
        private int bitmask;

        public int Data
        {
            get
            {
                return bitmask;
            }
        }

        public Bitmask(Enum bitmask)
        {
            this.bitmask = Convert.ToInt32(bitmask);
        }

        public Bitmask(int bitmask)
        {
            this.bitmask = bitmask;
        }

        public bool this[Enum bitmask]
        {
            get
            {
                return (int)(this.bitmask & Convert.ToInt32(bitmask)) > 0;
            }
            set
            {
                if (value)
                {
                    this.bitmask &= ~Convert.ToInt32(bitmask);
                }
                else
                {
                    this.bitmask |= Convert.ToInt32(bitmask);
                }
            }
        }

        public static Bitmask operator &(Bitmask left, Bitmask right)
        {
            return new Bitmask(left.Data & right.Data);
        }

        public static Bitmask operator |(Bitmask left, Bitmask right)
        {
            return new Bitmask(left.Data | right.Data);
        }

        public static Bitmask operator ~(Bitmask right)
        {
            return new Bitmask(~right.Data);
        }
    }
}