/// <summary>
/// Get a list of free slots in class roster. New heroines can be added to these slots in saveData.heroineList.
/// <example>
/// var freeSlot = saveData.GetFreeClassSlots(1).FirstOrDefault();
/// freeSlot.SetCharFile(fairyCard.charFile);
/// freeSlot.charFileInitialized = true;
/// saveData.heroineList.Add(freeSlot);
/// </example>
/// </summary>
/// <param name="saveData"></param>
/// <param name="classNumber">Class to search for free slots. Starts at 0, 1 is player's class, last 'class' is not usable since it's only for NPCs.</param>
public static IEnumerable <SaveData.Heroine> GetFreeClassSlots(this SaveData.WorldData saveData, int classNumber)
{
return(Enumerable.Range(0, GetClassMaxSeatCount(saveData, classNumber))
.Where(index => IsValidClassSeat(saveData, classNumber, index) && GetHeroineAtSeat(saveData, classNumber, index) == null)
.Select(index => new SaveData.Heroine(true)
{
schoolClass = classNumber, schoolClassIndex = index
}));
}
/// <summary>
/// Get heroine at a specified class and seat.
/// </summary>
public static SaveData.Heroine GetHeroineAtSeat(this SaveData.WorldData saveData, int classNumber, int classIndex)
{
return(saveData.heroineList.Find(h => h.schoolClass == classNumber && h.schoolClassIndex == classIndex));
}
