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Fix #11938: Check infinite money setting in cases where it was missed (#11939)

pull/11913/head
merni-ns 2024-02-01 00:41:48 +05:30 committed by GitHub
parent 363e251a10
commit ccaa383e85
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GPG Key ID: B5690EEEBB952194
4 changed files with 11 additions and 7 deletions
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10
src/economy.cpp
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@ -836,17 +836,21 @@ static void CompaniesPayInterest()
/* Over a year the paid interest should be "loan * interest percentage",
* but... as that number is likely not dividable by 12 (pay each month),
* one needs to account for that in the monthly fee calculations.
*
* To easily calculate what one should pay "this" month, you calculate
* what (total) should have been paid up to this month and you subtract
* whatever has been paid in the previous months. This will mean one month
* it'll be a bit more and the other it'll be a bit less than the average
* monthly fee, but on average it will be exact.
*
* In order to prevent cheating or abuse (just not paying interest by not
* taking a loan we make companies pay interest on negative cash as well
* taking a loan) we make companies pay interest on negative cash as well,
* except if infinite money is enabled.
*/
Money yearly_fee = c->current_loan * _economy.interest_rate / 100;
if (c->money < 0) {
yearly_fee += -c->money *_economy.interest_rate / 100;
Money available_money = GetAvailableMoney(c->index);
if (available_money < 0) {
yearly_fee += -available_money * _economy.interest_rate / 100;
}
Money up_to_previous_month = yearly_fee * TimerGameEconomy::month / 12;
Money up_to_this_month = yearly_fee * (TimerGameEconomy::month + 1) / 12;

4
src/misc_cmd.cpp
View File

@ -96,7 +96,7 @@ CommandCost CmdDecreaseLoan(DoCommandFlag flags, LoanCommand cmd, Money amount)
loan = std::min(c->current_loan, (Money)LOAN_INTERVAL);
break;
case LoanCommand::Max: // Pay back as much as possible
loan = std::max(std::min(c->current_loan, c->money), (Money)LOAN_INTERVAL);
loan = std::max(std::min(c->current_loan, GetAvailableMoneyForCommand()), (Money)LOAN_INTERVAL);
loan -= loan % LOAN_INTERVAL;
break;
case LoanCommand::Amount: // Repay the given amount of loan
@ -105,7 +105,7 @@ CommandCost CmdDecreaseLoan(DoCommandFlag flags, LoanCommand cmd, Money amount)
break;
}
if (c->money < loan) {
if (GetAvailableMoneyForCommand() < loan) {
SetDParam(0, loan);
return_cmd_error(STR_ERROR_CURRENCY_REQUIRED);
}

2
src/town_cmd.cpp
View File

@ -3435,7 +3435,7 @@ TownActions GetMaskOfTownActions(CompanyID cid, const Town *t)
if (cid != COMPANY_SPECTATOR && !(_settings_game.economy.bribe && t->unwanted[cid])) {
/* Actions worth more than this are not able to be performed */
Money avail = Company::Get(cid)->money;
Money avail = GetAvailableMoney(cid);
/* Check the action bits for validity and
* if they are valid add them */

2
src/town_gui.cpp
View File

@ -245,7 +245,7 @@ public:
case WID_TA_ACTION_INFO:
if (this->sel_index != -1) {
Money action_cost = _price[PR_TOWN_ACTION] * _town_action_costs[this->sel_index] >> 8;
bool affordable = Company::IsValidID(_local_company) && action_cost < Company::Get(_local_company)->money;
bool affordable = Company::IsValidID(_local_company) && action_cost < GetAvailableMoney(_local_company);
SetDParam(0, action_cost);
DrawStringMultiLine(r.Shrink(WidgetDimensions::scaled.framerect),