public void TickForward()
{
money.CalculateTax();
// Calculations should be done before actually manipulating the data
// so no weird side effects happen
// Order should be kept: healing -> internal transmission -> travel
regions.ForEach(x => {
x.population.ForEach(p => p.PerformInternalChanges());
x.PerformInternalTransmission();
x.PerformInternalFlowChange();
x.PerformTravel();
});
regions.ForEach(x =>
{
x.UpdateTotalPopulation();
});
happiness.CalculateHappiness();
statistics.Calculate();
graphics.UpdateGraphics();
Day++;
}