private IEnumerable <List <Champion> > GetChampionLists(List <Champion> src)
{
if (src.Count == 0)
{
yield return(new List <Champion>());
yield break;
}
Champion c = src[0];
src.RemoveAt(0);
foreach (List <Champion> result in this.GetChampionLists(src))
{
// Apply every version of c
foreach (Delta delta in this.deltasToApply)
{
Champion clone = c.Clone(delta.Speed, delta.SpeedSets, delta.PerceptionSets);
if (clone.EffectiveSpeed < clone.BaseSpeed)
{
continue;
}
result.Add(clone);
yield return(result);
result.Remove(clone);
}
}
}
public static IEnumerable <Champion[]> ChampionRosetta(int count, Champion[] array)
{
Champion[] result = new Champion[count];
Stack <int> stack = new Stack <int>(count);
stack.Push(0);
while (stack.Count > 0)
{
int index = stack.Count - 1;
int value = stack.Pop();
while (value < array.Length)
{
result[index++] = array[value++];
stack.Push(value);
if (index != count)
{
continue;
}
yield return((Champion[])result.Clone()); // thanks to @xanatos
//yield return result;
break;
}
}
}
