src/news_func.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   4  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   6  */
   7
   8 /** @file news_func.h Functions related to news. */
   9
  10 #ifndef NEWS_FUNC_H
  11 #define NEWS_FUNC_H
  12
  13 #include "news_type.h"
  14 #include "vehicle_type.h"
  15 #include "station_type.h"
  16 #include "industry_type.h"
  17
  18 void AddNewsItem(StringID string, NewsType type, NewsFlag flags, NewsReferenceType reftype1 = NR_NONE, uint32 ref1 = UINT32_MAX, NewsReferenceType reftype2 = NR_NONE, uint32 ref2 = UINT32_MAX, void *free_data = nullptr);
  19
  20 static inline void AddCompanyNewsItem(StringID string, CompanyNewsInformation *cni)
  21 {
  22         AddNewsItem(string, NT_COMPANY_INFO, NF_COMPANY, NR_NONE, UINT32_MAX, NR_NONE, UINT32_MAX, cni);
  23 }
  24
  25 /**
  26  * Adds a newsitem referencing a vehicle.
  27  *
  28  * @warning The DParams may not reference the vehicle due to autoreplace stuff. See AddVehicleAdviceNewsItem for how that can be done.
  29  */
  30 static inline void AddVehicleNewsItem(StringID string, NewsType type, VehicleID vehicle, StationID station = INVALID_STATION)
  31 {
  32         AddNewsItem(string, type, NF_NO_TRANSPARENT | NF_SHADE | NF_THIN, NR_VEHICLE, vehicle, station == INVALID_STATION ? NR_NONE : NR_STATION, station);
  33 }
  34
  35 /**
  36  * Adds a vehicle-advice news item.
  37  *
  38  * @warning DParam 0 must reference the vehicle!
  39  */
  40 static inline void AddVehicleAdviceNewsItem(StringID string, VehicleID vehicle)
  41 {
  42         AddNewsItem(string, NT_ADVICE, NF_INCOLOUR | NF_SMALL | NF_VEHICLE_PARAM0, NR_VEHICLE, vehicle);
  43 }
  44
  45 static inline void AddTileNewsItem(StringID string, NewsType type, TileIndex tile, void *free_data = nullptr, StationID station = INVALID_STATION)
  46 {
  47         AddNewsItem(string, type, NF_NO_TRANSPARENT | NF_SHADE | NF_THIN, NR_TILE, tile, station == INVALID_STATION ? NR_NONE : NR_STATION, station, free_data);
  48 }
  49
  50 static inline void AddIndustryNewsItem(StringID string, NewsType type, IndustryID industry)
  51 {
  52         AddNewsItem(string, type, NF_NO_TRANSPARENT | NF_SHADE | NF_THIN, NR_INDUSTRY, industry);
  53 }
  54
  55 void NewsLoop();
  56 void InitNewsItemStructs();
  57
  58 extern const NewsItem *_statusbar_news_item;
  59
  60 void DeleteInvalidEngineNews();
  61 void DeleteVehicleNews(VehicleID vid, StringID news);
  62 void DeleteStationNews(StationID sid);
  63 void DeleteIndustryNews(IndustryID iid);
  64
  65 #endif /* NEWS_FUNC_H */