(svn r24619) -Change: Check for bankruptcy on a monthly basis (ZxBioHazardZx)

src/company_base.h

@@ -78,7 +78,7 @@ struct CompanyProperties {
 
 	Year inaugurated_year;           ///< Year of starting the company.
 
-	byte quarters_of_bankruptcy;     ///< Number of quarters (a quarter is 3 months) that the company has a negative balance.
+	byte months_of_bankruptcy;       ///< Number of months that the company is unable to pay its debts
 	CompanyMask bankrupt_asked;      ///< which companies were asked about buying it?
 	int16 bankrupt_timeout;          ///< If bigger than \c 0, amount of time to wait for an answer on an offer to buy this company.
 	Money bankrupt_value;

src/economy.cpp

@@ -524,19 +524,29 @@ static void CompanyCheckBankrupt(Company *c)
 {
 	/*  If the company has money again, it does not go bankrupt */
 	if (c->money - c->current_loan >= -_economy.max_loan) {
-		c->quarters_of_bankruptcy = 0;
+		c->months_of_bankruptcy = 0;
 		c->bankrupt_asked = 0;
 		return;
 	}
 
-	c->quarters_of_bankruptcy++;
+	c->months_of_bankruptcy++;
 
-	switch (c->quarters_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;
 
-		case 2: {
+		/* Warn about bancruptcy after 3 months */
+		case 4: {
 			CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
 			cni->FillData(c);
 			SetDParam(0, STR_NEWS_COMPANY_IN_TROUBLE_TITLE);
@@ -548,8 +558,9 @@ static void CompanyCheckBankrupt(Company *c)
 			break;
 		}
 
-		case 3: {
-			/* Check if the company has any value.. if not, declare it bankrupt
+		/* Offer company for sale after 6 months */
+		case 7: {
+			/* Check if the company has any value. If not, declare it bankrupt
 			 *  right now */
 			Money val = CalculateCompanyValue(c, false);
 			if (val > 0) {
@@ -558,10 +569,13 @@ static void CompanyCheckBankrupt(Company *c)
 				c->bankrupt_timeout = 0;
 				break;
 			}
-			/* FALL THROUGH to case 4... */
+			/* FALL THROUGH  to case 10 */
 		}
+
+		/* Bancrupt 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 4:
+		case 10: {
 			if (!_networking && _local_company == c->index) {
 				/* If we are in offline mode, leave the company playing. Eg. there
 				 * is no THE-END, otherwise mark the client as spectator to make sure
@@ -582,6 +596,7 @@ static void CompanyCheckBankrupt(Company *c)
 			 * company and thus we won't be moved. */
 			if (!_networking || _network_server) DoCommandP(0, 2 | (c->index << 16), CRR_BANKRUPT, CMD_COMPANY_CTRL);
 			break;
+		}
 	}
 }
 
@@ -625,6 +640,11 @@ static void CompaniesGenStatistics()
 	}
 	cur_company.Restore();
 
+	/* Check for bankruptcy each month */
+	FOR_ALL_COMPANIES(c) {
+		CompanyCheckBankrupt(c);
+	}
+
 	/* Only run the economic statics and update company stats every 3rd month (1st of quarter). */
 	if (!HasBit(1 << 0 | 1 << 3 | 1 << 6 | 1 << 9, _cur_month)) return;
 
@@ -637,7 +657,6 @@ static void CompaniesGenStatistics()
 
 		UpdateCompanyRatingAndValue(c, true);
 		if (c->block_preview != 0) c->block_preview--;
-		CompanyCheckBankrupt(c);
 	}
 
 	SetWindowDirty(WC_INCOME_GRAPH, 0);

src/network/network_admin.cpp

@@ -365,7 +365,7 @@ NetworkRecvStatus ServerNetworkAdminSocketHandler::SendCompanyUpdate(const Compa
 	p->Send_string(manager_name);
 	p->Send_uint8 (c->colour);
 	p->Send_bool  (NetworkCompanyIsPassworded(c->index));
-	p->Send_uint8 (c->quarters_of_bankruptcy);
+	p->Send_uint8 (c->months_of_bankruptcy);
 
 	for (size_t i = 0; i < lengthof(c->share_owners); i++) {
 		p->Send_uint8(c->share_owners[i]);

src/saveload/afterload.cpp

@@ -2746,6 +2746,11 @@ bool AfterLoadGame()
 		/* Fix too high inflation rates */
 		if (_economy.inflation_prices > MAX_INFLATION) _economy.inflation_prices = MAX_INFLATION;
 		if (_economy.inflation_payment > MAX_INFLATION) _economy.inflation_payment = MAX_INFLATION;
+
+		/* We have to convert the quarters of bankruptcy into months of bankruptcy */
+		FOR_ALL_COMPANIES(c) {
+			c->months_of_bankruptcy = 3 * c->months_of_bankruptcy;
+		}
 	}
 
 	/* Road stops is 'only' updating some caches */

src/saveload/company_sl.cpp

@@ -272,7 +272,7 @@ static const SaveLoad _company_desc[] = {
 
 	    SLE_VAR(CompanyProperties, num_valid_stat_ent,    SLE_UINT8),
 
-	    SLE_VAR(CompanyProperties, quarters_of_bankruptcy,SLE_UINT8),
+	    SLE_VAR(CompanyProperties, months_of_bankruptcy,  SLE_UINT8),
 	SLE_CONDVAR(CompanyProperties, bankrupt_asked,        SLE_FILE_U8  | SLE_VAR_U16,  0, 103),
 	SLE_CONDVAR(CompanyProperties, bankrupt_asked,        SLE_UINT16,                104, SL_MAX_VERSION),
 	    SLE_VAR(CompanyProperties, bankrupt_timeout,      SLE_INT16),

src/saveload/oldloader_sl.cpp

@@ -926,7 +926,7 @@ static const OldChunks _company_chunk[] = {
 
 	OCL_SVAR(  OC_UINT8, Company, colour ),
 	OCL_SVAR(  OC_UINT8, Company, money_fraction ),
-	OCL_SVAR(  OC_UINT8, Company, quarters_of_bankruptcy ),
+	OCL_SVAR(  OC_UINT8, Company, months_of_bankruptcy ),
 	OCL_SVAR( OC_FILE_U8  | OC_VAR_U16, Company, bankrupt_asked ),
 	OCL_SVAR( OC_FILE_U32 | OC_VAR_I64, Company, bankrupt_value ),
 	OCL_SVAR( OC_UINT16, Company, bankrupt_timeout ),

src/saveload/saveload.cpp

@@ -240,8 +240,9 @@
  *  174   23973   1.2.x
  *  175   24136
  *  176   24446
+ *  177   24619
  */
-extern const uint16 SAVEGAME_VERSION = 176; ///< Current savegame version of OpenTTD.
+extern const uint16 SAVEGAME_VERSION = 177; ///< Current savegame version of OpenTTD.
 
 SavegameType _savegame_type; ///< type of savegame we are loading