public IEnumerable <T> Create(int level)
{
// modify the level randomly
int walkedLevel = Rng.WalkLevel(level).Clamp(1, 100);
// choose up to it (best of two tries)
int choiceValue = Math.Max(Rng.IntInclusive(walkedLevel),
Rng.IntInclusive(walkedLevel));
IDrop <T> dropped = null;
// count through to find the last one at least the random level
foreach (DropChoice choice in Choices)
{
if (choiceValue >= choice.Odds)
{
dropped = choice.Drop;
}
}
// drop it if we have one
if (dropped != null)
{
// if the choice was less than the max, then bump up the subsequent level a bit to compensate
int bonus = (walkedLevel - choiceValue) / 4;
level = Math.Max(Game.MaxDepth, level + bonus);
foreach (var item in dropped.Create(level))
{
yield return(item);
}
}
}
public IEnumerable <T> Create(int level)
{
// modify the level randomly
float choiceValue = Rng.WalkLevel(level).Clamp(1, 100);
IDrop <T> dropped = null;
// count through to find the last one at least the random level
foreach (DropChoice choice in Choices)
{
if (choiceValue >= choice.Odds)
{
dropped = choice.Drop;
}
}
// drop it if we have one
if (dropped != null)
{
foreach (var item in dropped.Create(level))
{
yield return(item);
}
}
}
public IEnumerable <T> Create(int level)
{
// use the actual total in case the data adds up to more than 100
float totalOdds = Math.Max(TotalOdds, Choices.Sum((choice) => choice.Odds));
float choiceValue = Rng.Float(TotalOdds);
IDrop <T> dropped = null;
// count through to find the chosen one
foreach (DropChoice choice in Choices)
{
choiceValue -= choice.Odds;
if (choiceValue <= 0)
{
dropped = choice.Drop;
break;
}
}
// drop it if we have one
if (dropped != null)
{
foreach (var item in dropped.Create(level))
{
yield return(item);
}
}
}
public static T CreateOne <T>(this IDrop <T> drop, int level)
{
foreach (T item in drop.Create(level))
{
return(item);
}
return(default(T));
}