Add setting: station rating waiting time tolerance depends on cargo class

src/lang/english.txt

@@ -1180,6 +1180,8 @@ STR_CONFIG_SETTING_CATCHMENT                                    :Allow more real
 STR_CONFIG_SETTING_CATCHMENT_HELPTEXT                           :Have differently sized catchment areas for different types of stations and airports
 STR_CONFIG_SETTING_CATCHMENT_INCREASE                           :Increase station catchment radius: {STRING2}
 STR_CONFIG_SETTING_CATCHMENT_INCREASE_HELPTEXT                  :Increase radius of station catchment areas by this many tiles
+STR_CONFIG_SETTING_STATION_RATING_CARGO_CLASS_WAIT_TIME         :Station rating tolerance to waiting time depends on cargo class: {STRING2}
+STR_CONFIG_SETTING_STATION_RATING_CARGO_CLASS_WAIT_TIME_HELPTEXT:When enabled, the effect of the waiting time since the last cargo pickup on the station rating for that cargo depends on the cargo class. Passengers, mail, armoured cargo, refrigerated cargo and express cargo, are varyingly less tolerant to waiting. Bulk and liquid cargos are more tolerant.
 STR_CONFIG_SETTING_EXTRADYNAMITE                                :Allow removal of more town-owned roads, bridges and tunnels: {STRING2}
 STR_CONFIG_SETTING_EXTRADYNAMITE_HELPTEXT                       :Make it easier to remove town-owned infrastructure and buildings
 STR_CONFIG_SETTING_TRAIN_LENGTH                                 :Maximum length of trains: {STRING2}

src/settings_gui.cpp

@@ -1830,6 +1830,7 @@ static SettingsContainer &GetSettingsTree()
 
 			environment->Add(new SettingEntry("station.modified_catchment"));
 			environment->Add(new SettingEntry("station.catchment_increase"));
+			environment->Add(new SettingEntry("station.cargo_class_rating_wait_time"));
 		}
 
 		SettingsPage *ai = main->Add(new SettingsPage(STR_CONFIG_SETTING_AI));

src/settings_type.h

@@ -604,6 +604,7 @@ struct StationSettings {
 	bool   never_expire_airports;            ///< never expire airports
 	byte   station_spread;                   ///< amount a station may spread
 	byte   catchment_increase;               ///< amount by which station catchment is increased
+	byte   cargo_class_rating_wait_time;     ///< station rating tolerance to time since last cargo pickup depends on cargo class
 };
 
 /** Default settings for vehicles. */

src/station_cmd.cpp

@@ -3500,7 +3500,18 @@ static void UpdateStationRating(Station *st)
 				int b = ge->last_speed - 85;
 				if (b >= 0) rating += b >> 2;
 
-				byte waittime = ge->time_since_pickup;
+				uint waittime = ge->time_since_pickup;
+				if (_settings_game.station.cargo_class_rating_wait_time) {
+					if (cs->classes & CC_PASSENGERS) {
+						waittime *= 3;
+					} else if (cs->classes & CC_REFRIGERATED) {
+						waittime *= 2;
+					} else if (cs->classes & (CC_MAIL | CC_ARMOURED | CC_EXPRESS)) {
+						waittime += (waittime >> 1);
+					} else if (cs->classes & (CC_BULK | CC_LIQUID)) {
+						waittime >>= 2;
+					}
+				}
 				if (ge->last_vehicle_type == VEH_SHIP) waittime >>= 2;
 				(waittime > 21) ||
 				(rating += 25, waittime > 12) ||

src/table/settings.ini

@@ -1421,6 +1421,14 @@ proc     = StationCatchmentChanged
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_STATION_CATCHMENT_INC)
 patxname = ""station_catchment_inc.station.catchment_increase""
 
+[SDT_BOOL]
+base     = GameSettings
+var      = station.cargo_class_rating_wait_time
+def      = false
+str      = STR_CONFIG_SETTING_STATION_RATING_CARGO_CLASS_WAIT_TIME
+strhelp  = STR_CONFIG_SETTING_STATION_RATING_CARGO_CLASS_WAIT_TIME_HELPTEXT
+patxname = ""station_rating.station.cargo_class_rating_wait_time""
+
 [SDT_BOOL]
 base     = GameSettings
 var      = order.gradual_loading