DiscoBot/Auxiliary/Misc.cs


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namespace DiscoBot.Auxiliary
{
    using System;
    using System.Linq;
    using System.Text;

    public static class Misc
    {
        private static readonly Random Rand = new Random();

        // use: 4w6 +4
        public static string Roll(string input)
        {
            var output = new StringBuilder();
            var strings = input.Split('w', 'd').ToList();
            int count = Convert.ToInt32(strings[0]);
            strings = strings[1].Split(' ').ToList();
            int d = Convert.ToInt32(strings[0]);

            if (strings.Count > 0)
            {
            }

            int sum = 0;
            for (int i = 0; i < count; i++)
            {
                var roll = Dice.Roll(d);
                sum += roll;
                output.Append("[" + roll + "] ");
            }

            if (count > 1)
            {
                output.Append("sum: " + sum);
            }

            return output.ToString();
        }

        public static double Random(double stdDev = 1, double mean = 0)
        {
            double u1 = Rand.NextDouble(); // uniform(0,1) random doubles
            double u2 = Rand.NextDouble();
            double randStdNormal = Math.Sqrt(-2.0 * Math.Log(u1)) *
                                   Math.Sin(2.0 * Math.PI * u2); // random normal(0,1)
            double randNormal =
                mean + stdDev * randStdNormal; // random normal(mean,stdDev^2)
            return randNormal;
        }
    }
}