private static IHasName DateCouple(Human firstHuman, Human secondHuman)
{
if (firstHuman == null || secondHuman == null)
{
throw new ArgumentNullException();
}
if (firstHuman.Sex == secondHuman.Sex)
{
throw new WrongCoupleException(Resources.AdvancedGod_WouldNotWorkOut);
}
var firstAttribute = GetAttribute(firstHuman, secondHuman);
var secondAttribute = GetAttribute(secondHuman, firstHuman);
if (!Randomizer.CheckIfLikes(firstAttribute.Probability)
|| !Randomizer.CheckIfLikes(secondAttribute.Probability))
{
return null;
}
return MakeChild(
firstAttribute.ChildType == secondAttribute.ChildType ? firstAttribute.ChildType : null,
firstHuman.Sex == Sex.Female ? firstHuman : secondHuman,
firstHuman.Sex == Sex.Female ? secondHuman : firstHuman);
}
private static IHasName MakeChild(string childType, Human mother, Human father)
{
if (childType == null) throw new ArgumentNullException(nameof(childType));
try
{
var type = GetTypeOfHuman(childType);
var name = GetChildsName(mother);
var constructor = type.GetConstructors().FirstOrDefault();
if (constructor != null && constructor.GetParameters().Length > 1)
{
return Activator.CreateInstance(type, name,
Names.PatronymicFromParentName(Sex.Female, father.Name), NewBornAge)
as IHasName;
}
return Activator.CreateInstance(type, name) as IHasName;
}
catch (Exception e)
{
throw new Exception("Child of given type can not be constructed", e);
}
}
private static string GetChildsName(Human human)
{
var namingMethod = human.GetType().GetMethods()
.First(x => x.Name == Human.ChildNamingMethod && x.ReturnType == typeof(string));
try
{
return namingMethod.Invoke(human, null) as string;
}
catch (Exception e)
{
throw new Exception(Resources.AdvancedGod_ChildNamingNotSupported, e);
}
}
private static CoupleAttribute GetAttribute(Human firstHuman, Human secondHuman)
{
var enumerator = new CoupleAttributeEnumerator(firstHuman.GetType());
while (enumerator.MoveNext())
{
if (enumerator.Current.Pair.Equals(secondHuman.GetType().Name))
{
return enumerator.Current;
}
}
throw new WrongCoupleException(Resources.AdvancedGod_IncompatibleTypes);
}