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@ -193,20 +193,48 @@ void InvalidateCompanyWindows(const Company *company)
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SetWindowDirty(WC_FINANCES, cid);
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}
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/**
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* Get the amount of money that a company has available, or INT64_MAX
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* if there is no such valid company.
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*
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* @param company Company to check
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* @return The available money of the company or INT64_MAX
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*/
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Money GetAvailableMoney(CompanyID company)
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{
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if (_settings_game.difficulty.infinite_money) return INT64_MAX;
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if (!Company::IsValidID(company)) return INT64_MAX;
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return Company::Get(company)->money;
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}
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/**
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* This functions returns the money which can be used to execute a command.
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* This is either the money of the current company, or INT64_MAX if infinite money
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* is enabled or there is no such a company "at the moment" like the server itself.
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*
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* @return The available money of the current company or INT64_MAX
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*/
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Money GetAvailableMoneyForCommand()
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{
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return GetAvailableMoney(_current_company);
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}
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/**
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* Verify whether the company can pay the bill.
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* @param[in,out] cost Money to pay, is changed to an error if the company does not have enough money.
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* @return Function returns \c true if the company has enough money, else it returns \c false.
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* @return Function returns \c true if the company has enough money or infinite money is enabled,
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* else it returns \c false.
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*/
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bool CheckCompanyHasMoney(CommandCost &cost)
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{
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if (cost.GetCost() > 0) {
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const Company *c = Company::GetIfValid(_current_company);
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if (c != nullptr && cost.GetCost() > c->money) {
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SetDParam(0, cost.GetCost());
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cost.MakeError(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY);
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return false;
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}
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if (cost.GetCost() <= 0) return true;
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if (_settings_game.difficulty.infinite_money) return true;
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const Company *c = Company::GetIfValid(_current_company);
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if (c != nullptr && cost.GetCost() > c->money) {
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SetDParam(0, cost.GetCost());
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cost.MakeError(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY);
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return false;
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}
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return true;
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}
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