public void UpdatePopulation() //daily routine
{
//Update Citizens
//Update Happiness
//Process migration
ulong overallHappiness = 0; //Though, with maxPopulation being set to 10E7, uint would be more than enough to handle these sums.
ulong healthHappines = 0;
ulong homeHappines = 0;
ulong jobHappines = 0;
ulong environmentHappiness = 0;
for (int i = population.Count - 1; i >= 0; i--)
{
Citizen citizen = population[i];
if (!citizen.ProcessFinances()) //in current ProcessFinances implementation, return false if citizen can't pay its life expenses. So we remove it from simulation.
{
//print ("Citizen can't pay its expenses, removing it from simulation"); //test
citizen.Emigrate();
population.RemoveAt(i);
}
else
{
//TODO handle remaining citizen updates here. DO NOT DO THIS OUTSIDE THIS ELSE CLAUSE!
//Check if needing work, or if needing hospitalization
citizen.Lookups();
//compute citizen's happiness here.
UpdateCitizenHappiness(citizen);
//add citizen's happines to sum
overallHappiness += citizen.happiness.overall;
healthHappines += citizen.happiness.health;
homeHappines += citizen.happiness.home;
jobHappines += citizen.happiness.job;
environmentHappiness += citizen.happiness.environment;
}
}
//Update populationHappiness
int _populationCount = Mathf.Max(population.Count, 1); //to avoid division-by-zero at start of game when there is no population.
populationHappiness.overall = (uint)Mathf.RoundToInt((float)overallHappiness / (float)_populationCount);
populationHappiness.health = (uint)Mathf.RoundToInt((float)healthHappines / (float)_populationCount);
populationHappiness.home = (uint)Mathf.RoundToInt((float)homeHappines / (float)_populationCount);
populationHappiness.job = (uint)Mathf.RoundToInt((float)jobHappines / (float)_populationCount);
populationHappiness.environment = (uint)Mathf.RoundToInt((float)environmentHappiness / (float)_populationCount);
//process migration
ProcessMigration();
}
