private void InitHouses()
{
RealEstatePortfolio = new RealEstatePortfolio();
var random = new Random(42);
for (var i = 0; i < InitialNumberOfHouses; i++)
{
var sustainability = (int)(random.NextDouble() * 60) + 20;
var monthlyRent = 310.0 + random.NextDouble() * 180.0 + sustainability * 2; // A typical rent is typically approximate 70% of the market rent.
var monthlyMarketRent = monthlyRent + random.NextDouble() * 180 + sustainability * 3;
var monthlyMaintenanceExpenses = 200.0 + random.NextDouble() * 300.0;
var value = 100000.0 + random.NextDouble() * 50000.0 + sustainability * 1000.0;
var mutationProbability = 0.10;
var lifeSpan = (int)(random.NextDouble() * 50);
RealEstatePortfolio.AddNewHouse(this, monthlyRent, monthlyMarketRent, monthlyMaintenanceExpenses, value, mutationProbability, lifeSpan, sustainability);
}
}
public void EndOfYear()
{
var expensesHouses = RealEstatePortfolio.EndOfYear();
var earningsSales = SellHouses();
foreach (var newDevelopmentProjectType in NewDevelopmentProjectType.GetAll())
{
newDevelopmentProjectType.EndOfYear();
}
var expensesNewDevelopment = ExecuteNewDevelopmentProjects();
foreach (var renovationProjectProjectType in RenovationProjectType.GetAll())
{
renovationProjectProjectType.EndOfYear();
}
var expensesRenovation = ExecuteRenovations();
var expensesLoans = _loanPortfolio.EndOfYear();
// If we have spent money we need to attract a new loan.
var totalExpenses = expensesLoans + expensesHouses + AnnualCosts - _loanPortfolio.Cash - earningsSales + expensesNewDevelopment + expensesRenovation;
if (totalExpenses > 0)
{
var previousDebt = _loanPortfolio.Debt;
AttractLoan(totalExpenses);
_loanPortfolio.Cash = 0;
// Assert that a loan really has been attracted.
Debug.Assert(Math.Abs(previousDebt + totalExpenses - _loanPortfolio.Debt) < 0.01);
}
else
{
_loanPortfolio.Cash = -totalExpenses;
}
CumulativeInflation *= Economy.Get(Series.PriceInflation) + 1;
IsBankrupt |= SolvencyRatio < BankruptcyThreshold;
}
private double SellHouses()
{
var gain = 0.0;
foreach (var house in RealEstatePortfolio.Houses.ToList())
{
if (Policy.DetermineSell(house))
{
if (house.CurrentTenantLeaves)
{
gain += house.MarketValue;
}
else
{
gain += house.MarketValue * 0.7;
}
RealEstatePortfolio.RemoveHouse(house);
}
}
return(gain);
}