using System;

using System.Collections.Generic;

using System.Linq;

using System.Linq.Expressions;

using System.Reflection;

using LatticeUtils;

using Type = System.Type;

​

public class Program

{

    public static void Main()

    {

        for(var i = 0; i < 10; i++)

        {

            var loot = RandomLoot();

            Console.WriteLine(("Item :" + loot).PadRight(15, ' '));

            System.Threading.Thread.Sleep(5);

        }

    }

    public static string RandomLoot()

    {

        var result = "";

        var items = new string[] {"รูนความมืด", "อัญมณีฺ", "เหรียญทอง", "เหรียญเงิน", "ก้อนหิน", "อดดิไม่มีอะไรให้"};

        var rates = new int[] {1, 3, 10, 40, 60, 80};

        var range = 0;

        for (var i = 0; i < rates.Length; i++)

            range += rates[i];

        Console.Write((" Range : " + range).PadRight(15, ' '));

​

        var rand = new Random();

        double random = rand.Next(0, range);

        Console.Write((" Random: " + random).PadRight(15, ' '));

        var top = 0d; 

        for (var i = 0; i < rates.Length; i++) {

            top += rates[i];

            if (random < top)

            {

                result = items[i];

                break;

            }

        }

        return result;

    }

}

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​