private T RandomlySelectOption <T>(IEnumerable <T> options) where T : IWeighted
{
var opts = options.ToArray();
var totalWeights = opts.Sum(o => o.Weight);
var selectedNumber = _randomNumber.Number(totalWeights);
var currrentWeight = 0;
foreach (var t in opts)
{
currrentWeight += t.Weight;
if (currrentWeight > selectedNumber)
{
return(t);
}
}
return(opts.Last());
}
