public static T GetRandomItemFromList <T>(IList <T> list)
{
if (list == null || list.Count == 0)
{
return(default(T));
}
return(list[RandomProxy.Next(list.Count)]);
}
private string FillInRandomDataFromNumber(string format, char symbol = '#')
{
var result = format.ToCharArray();
for (int i = 0; i < result.Length; i++)
{
if (result[i] == symbol)
{
result[i] = (char)(RandomProxy.Next(10) + 48);
}
}
return(new string(result));
}
internal bool GetProbablyFromFormat(ref string result)
{
const string pattern = @"{0.[0-9]+}";
var match = Regex.Match(result, pattern);
if (!match.Success)
{
return(true);
}
result = result.Remove(match.Index, match.Length);
float chance = 0f;
float.TryParse(match.Value.Substring(1, match.Value.Length - 2), out chance);
return(RandomProxy.NextBool(chance));
}
public static T[] GetMultipleRandomItemsFromList <T>(IList <T> list, int count)
{
List <T> result = new List <T>(count);
for (int i = 0; i < list.Count; i++)
{
double p = (count - (double)result.Count) / ((double)list.Count - i);
if (RandomProxy.NextBool(p))
{
result.Add(list[i]);
}
if (result.Count >= count)
{
return(result.ToArray());
}
}
return(result.ToArray());
}
