private static AppState SimulatePastTicks(AppState appState, IReadOnlyCollection <string> purchasedUpgradeIds)
{
var(interval, numberOfPastTicks) = GetSimulationParameters(appState);
var faithGain = 0d;
var moneyGain = 0d;
for (var i = 0; i < numberOfPastTicks; i++)
{
if (appState.Followers != 0)
{
faithGain += TimerService.ToTickValue(UpgradeEffectsSelectorHelper.SelectFaithPerFollowerIncrease(purchasedUpgradeIds) * appState.Followers, interval);
moneyGain += TimerService.ToTickValue(UpgradeEffectsSelectorHelper.SelectMoneyPerFollowerIncrease(purchasedUpgradeIds) * appState.Followers, interval);
}
}
return(appState with
{
Faith = appState.Faith + faithGain,
Money = appState.Money + moneyGain,
Timestamp = DateTime.Now
});
}