34 lines
916 B
C#
34 lines
916 B
C#
namespace Utils
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{
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public static class RandomUtils
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{
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private static readonly Random random = new Random();
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private static readonly object @lock = new object();
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public static T PickOneRandom<T>(this List<T> remainingItems)
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{
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lock (@lock)
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{
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var i = random.Next(0, remainingItems.Count);
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var result = remainingItems[i];
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remainingItems.RemoveAt(i);
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return result;
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}
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}
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public static T[] Shuffled<T>(T[] items)
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{
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lock (@lock)
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{
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var result = new List<T>();
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var source = items.ToList();
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while (source.Any())
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{
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result.Add(RandomUtils.PickOneRandom(source));
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}
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return result.ToArray();
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}
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}
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}
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}
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