Function CompanyCheckBankrupt

src/economy.cpp:550–635

* Check for bankruptcy of a company. Called every three months. * @param c Company to check. */

 * @param c Company to check.
 */
static void CompanyCheckBankrupt(Company *c)
{
	/* If "Infinite money" setting is on, companies should not go bankrupt. */
	if (_settings_game.difficulty.infinite_money) return;

	/*  If the company has money again, it does not go bankrupt */
	if (c->money - c->current_loan >= -c->GetMaxLoan()) {
		int previous_months_of_bankruptcy = CeilDiv(c->months_of_bankruptcy, 3);
		c->months_of_bankruptcy = 0;
		c->bankrupt_asked = CompanyMask{};
		if (previous_months_of_bankruptcy != 0) CompanyAdminUpdate(c);
		return;
	}

	c->months_of_bankruptcy++;

	switch (c->months_of_bankruptcy) {
		/* All the boring cases (months) with a bad balance where no action is taken */
		case 0:
		case 1:
		case 2:
		case 3:

		case 5:
		case 6:

		case 8:
		case 9:
			break;

		/* Warn about bankruptcy after 3 months */
		case 4: {
			auto cni = std::make_unique<CompanyNewsInformation>(STR_NEWS_COMPANY_IN_TROUBLE_TITLE, c);
			EncodedString headline = GetEncodedString(STR_NEWS_COMPANY_IN_TROUBLE_DESCRIPTION, cni->company_name);
			AddCompanyNewsItem(std::move(headline), std::move(cni));
			AI::BroadcastNewEvent(new ScriptEventCompanyInTrouble(c->index));
			Game::NewEvent(new ScriptEventCompanyInTrouble(c->index));
			break;
		}

		/* Offer company for sale after 6 months */
		case 7: {
			/* Don't consider the loan */
			Money val = CalculateCompanyValue(c, false);

			c->bankrupt_value = val;
			c->bankrupt_asked = CompanyMask{}.Set(c->index); // Don't ask the owner
			c->bankrupt_timeout = 0;

			/* The company assets should always have some value */
			assert(c->bankrupt_value > 0);
			break;
		}

		/* Bankrupt company after 6 months (if the company has no value) or latest
		 * after 9 months (if it still had value after 6 months) */
		default:
		case 10: {