private static void TakeItemsFromWeightedSelection(WeightedSelection <ItemIndex> weightedSelection, ref CostTypeDef.PayCostContext context, ref List <ItemIndex> itemsToTake, int halfTotalItemCount)
{
while (weightedSelection.Count > 0 && itemsToTake.Count < halfTotalItemCount)
{
int choiceIndex = weightedSelection.EvaluateToChoiceIndex(context.rng.nextNormalizedFloat);
WeightedSelection <ItemIndex> .ChoiceInfo choice = weightedSelection.GetChoice(choiceIndex);
ItemIndex value = choice.value;
int num = (int)choice.weight;
num--;
if (num <= 0)
{
weightedSelection.RemoveChoice(choiceIndex);
}
else
{
weightedSelection.ModifyChoiceWeight(choiceIndex, (float)num);
}
itemsToTake.Add(value);
}
}
