//---------------------------------------------------------------------
/// <summary>
/// Inserts a species-cohort iterator in a list of iterators that is
/// sorted from oldest to youngest.
/// </summary>
private void InsertIterator(OldToYoungIterator itor,
List <OldToYoungIterator> itors)
{
bool inserted = false;
for (int i = 0; i < itors.Count; i++)
{
if (itor.Age > itors[i].Age)
{
itors.Insert(i, itor);
inserted = true;
break;
}
}
if (!inserted)
{
itors.Add(itor);
}
}
//---------------------------------------------------------------------
/// <summary>
/// Grows all the cohorts by advancing their ages by 1 year and
/// updating their biomasses accordingly.
/// </summary>
/// <param name="site">
/// The site where the cohorts are located.
/// </param>
private void GrowFor1Year(ActiveSite site)
{
// Create a list of iterators, one iterator per set of species
// cohorts. Iterators go through a species' cohorts from oldest
// to youngest. The list is sorted by age, oldest to youngest;
// so the first iterator in the list is the iterator's whose
// current cohort has the oldest age.
List <OldToYoungIterator> itors = new List <OldToYoungIterator>();
foreach (SpeciesCohorts speciesCohorts in cohorts)
{
OldToYoungIterator itor = speciesCohorts.OldToYoung;
InsertIterator(itor, itors);
}
int siteMortality = 0;
// Loop through iterators until they're exhausted
while (itors.Count > 0)
{
// Grow the current cohort of the first iterator in the list.
// The cohort's biomass is updated for 1 year's worth of
// growth and mortality.
OldToYoungIterator itor = itors[0];
siteMortality += itor.GrowCurrentCohort(site,
ref totalBiomass,
prevYearMortality);
if (itor.MoveNext())
{
// Iterator has been moved to the next cohort, so see if
// the age of this cohort is the oldest.
if (itors.Count > 1 && itor.Age < itors[1].Age)
{
// Pop the first iterator of the list, and then re-
// insert it into proper place.
itors.RemoveAt(0);
InsertIterator(itor, itors);
}
}
else
{
// Iterator has no more cohorts, so remove it from list.
itors.RemoveAt(0);
if (itor.SpeciesCohorts.Count > 0)
{
itor.SpeciesCohorts.UpdateMaturePresent();
}
else
{
// The set of species cohorts is now empty, so remove
// it from the list of species cohorts.
for (int i = 0; i < cohorts.Count; i++)
{
if (cohorts[i] == itor.SpeciesCohorts)
{
cohorts.RemoveAt(i);
break;
}
}
}
}
}
prevYearMortality = siteMortality;
}