Zoning: Fix unserved industry mode with passenger-handling industries

src/zoning_cmd.cpp

@@ -231,8 +231,21 @@ SpriteID TileZoneCheckUnservedIndustriesEvaluation(TileIndex tile, Owner owner)
 		if (ind->neutral_station != nullptr) return ZONING_INVALID_SPRITE_ID;
 
 		for (const Station *st : ind->stations_near) {
-			if (st->owner == owner && st->facilities & (~FACIL_BUS_STOP)) {
-				return ZONING_INVALID_SPRITE_ID;
+			if (st->owner == owner) {
+				if (st->facilities & (~(FACIL_BUS_STOP | FACIL_TRUCK_STOP)) || st->facilities == (FACIL_BUS_STOP | FACIL_TRUCK_STOP)) {
+					return ZONING_INVALID_SPRITE_ID;
+				} else if (st->facilities & (FACIL_BUS_STOP | FACIL_TRUCK_STOP)) {
+					for (uint i = 0; i < lengthof(ind->produced_cargo); i++) {
+						if (ind->produced_cargo[i] != CT_INVALID && st->facilities & (IsCargoInClass(ind->produced_cargo[i], CC_PASSENGERS) ? FACIL_BUS_STOP : FACIL_TRUCK_STOP)) {
+							return ZONING_INVALID_SPRITE_ID;
+						}
+					}
+					for (uint i = 0; i < lengthof(ind->accepts_cargo); i++) {
+						if (ind->accepts_cargo[i] != CT_INVALID && st->facilities & (IsCargoInClass(ind->accepts_cargo[i], CC_PASSENGERS) ? FACIL_BUS_STOP : FACIL_TRUCK_STOP)) {
+							return ZONING_INVALID_SPRITE_ID;
+						}
+					}
+				}
 			}
 		}