/// <summary>
/// Simulate a test population until all original people are deceased and use the
/// final population distribution as a basis for distributing newly created populations.
/// </summary>
private static IReadOnlyList <double> GetDistributionRatios(RacialTemplate racialTemplate)
{
long testPopulation = 1000000;
var ageRange = (double)racialTemplate.CohortTemplates.Sum(x => (x.PastEndAge - x.StartAge).TickOffset);
var pops = racialTemplate.CohortTemplates
.Select(cohortTemplate =>
{
var cohortAgeRange = (double)(cohortTemplate.PastEndAge - cohortTemplate.StartAge).TickOffset;
return((long)((double)testPopulation * cohortAgeRange / ageRange));
});
var testCohorts = new CohortCollection(racialTemplate, pops);
var maxDate = new TimePoint(0) + testCohorts.Cohorts.Last().PastEnd;
for (var date = new TimePoint(0); date < maxDate; date += TimeOffset.OneTick)
{
testCohorts = new CohortCollection(racialTemplate, PopulationUtility.ProcessTick(testCohorts, out var _));
}
var finalTestPopulation = (double)testCohorts.TotalPopulation;
return(testCohorts.Cohorts
.Select(x => (double)x.Population / finalTestPopulation)
.AsReadOnlyList());
}
public void SetPopulation(RacialTemplate racialTemplate, IEnumerable <long> populations)
{
using (ScopedPropertyChange())
{
var cohortCollection = m_populations.GetOrAddValue(racialTemplate.Id, new CohortCollection(racialTemplate));
m_populations[racialTemplate.Id] = cohortCollection.CloneWithNewPopulations(populations);
}
}
public void AddPopulation(RacialTemplate racialTemplate, long count)
{
using (ScopedPropertyChange())
{
var cohortCollection = m_populations.GetOrAddValue(racialTemplate.Id, new CohortCollection(racialTemplate));
cohortCollection.DistributePopulationAcrossCohorts(count);
}
}
public static void MakeHomeWorld(Entity entity, RacialTemplate racialTemplate)
{
var population = new PopulationComponent();
population.AddPopulation(GetHumanTemplate(), 1000000000);
entity.AddComponent(population);
var shipyard = new ShipyardComponent();
entity.AddComponent(shipyard);
}
public void Setup()
{
var lifetimeDistribution = new GompertzMakehamDistribution(1E-5, 0.085, 5.0E-3);
var cohortTemplates = CohortTemplate.CreateAll(
new CohortTemplateConfiguration
{
InfantsRequireExtraCare = true,
PhysicalMaturation = 3,
MentalMaturation = 4,
LowFertilityStart = 7,
InfertilityStart = 9,
LifetimeDistribution = lifetimeDistribution,
});
var birthRate = 0.1 / Constants.DaysPerYear;
m_racialTemplate = new RacialTemplate("human", "Human", lifetimeDistribution, birthRate, cohortTemplates);
}
private CohortCollection(RacialTemplate racialTemplate, CohortImpl[] cohorts, Lazy <IReadOnlyList <double> > distributionRatios)
{
RacialTemplate = racialTemplate;
m_cohorts = cohorts;
m_distributionRatios = distributionRatios;
}
private CohortCollection(RacialTemplate racialTemplate, IEnumerable <long> populations)
: this(racialTemplate, populations.Select((pop, i) => new CohortImpl(racialTemplate.CohortTemplates[i], pop)).ToArray(), new Lazy <IReadOnlyList <double> >(() => GetDistributionRatios(racialTemplate)))
{
}
public CohortCollection(RacialTemplate racialTemplate)
: this(racialTemplate, racialTemplate.CohortTemplates.Select(x => new CohortImpl(x, 0L)).ToArray(), new Lazy <IReadOnlyList <double> >(() => GetDistributionRatios(racialTemplate)))
{
}
