/// <summary>
/// Returns the number of generations to the oldest known ancestor
/// </summary>
/// <returns></returns>
private int ancestorGenerations(int g = 0)
{
// to detect loop (if a creature is falsely listed as its own ancestor)
if (g > 99)
{
return(0);
}
int mgen = 0, fgen = 0;
if (mother != null)
{
mgen = mother.ancestorGenerations(g + 1) + 1;
}
if (father != null)
{
fgen = father.ancestorGenerations(g + 1) + 1;
}
if (isBred && mgen == 0 && fgen == 0)
{
return(1);
}
if (mgen > fgen)
{
return(mgen);
}
else
{
return(fgen);
}
}