public IEnumerator Siege(ArmyController army, ProvinceController province)
{
army.besieging = true;
var siegeProgress = 0;
var day = TimeController.Instance.Date;
while (siegeProgress != Constants.ProvinceSiegeDuration)
{
if (!army.besieging)
{
yield break;
}
while (!TimeController.Instance.Date.Equals(day.AddDays(1)))
{
yield return(null);
}
day = TimeController.Instance.Date;
if (!army.fighting)
{
siegeProgress++;
}
}
province.TransferProvince(army.nationId);
army.besieging = false;
yield return(null);
}