tron@2186: /* $Id$ */
tron@2186: 
truelight@0: #ifndef FUNCTIONS_H
truelight@0: #define FUNCTIONS_H
truelight@0: 
truelight@0: /* landscape.c */
truelight@0: void FindLandscapeHeight(TileInfo *ti, uint x, uint y);
tron@1420: void FindLandscapeHeightByTile(TileInfo *ti, TileIndex tile);
truelight@0: 
tron@1589: void DoClearSquare(TileIndex tile);
tron@1589: void CDECL ModifyTile(TileIndex tile, uint flags, ...);
tron@1093: void RunTileLoop(void);
truelight@0: 
truelight@0: uint GetPartialZ(int x, int y, int corners);
truelight@0: uint GetSlopeZ(int x, int y);
tron@1589: uint32 GetTileTrackStatus(TileIndex tile, TransportType mode);
tron@1589: void GetAcceptedCargo(TileIndex tile, AcceptedCargo ac);
tron@1589: void ChangeTileOwner(TileIndex tile, byte old_player, byte new_player);
tron@1589: void AnimateTile(TileIndex tile);
tron@1589: void ClickTile(TileIndex tile);
tron@1589: void GetTileDesc(TileIndex tile, TileDesc *td);
truelight@0: void DrawTile(TileInfo *ti);
celestar@1377: void UpdateTownMaxPass(Town *t);
truelight@0: 
tron@1589: bool IsValidTile(TileIndex tile);
truelight@0: 
tron@536: static inline Point RemapCoords(int x, int y, int z)
tron@536: {
truelight@0: #if !defined(NEW_ROTATION)
truelight@781: 	Point pt;
truelight@781: 	pt.x = (y - x) * 2;
truelight@781: 	pt.y = y + x - z;
truelight@0: #else
truelight@781: 	Point pt;
truelight@781: 	pt.x = (x + y) * 2;
truelight@781: 	pt.y = x - y - z;
truelight@0: #endif
tron@536: 	return pt;
tron@536: }
truelight@0: 
tron@536: static inline Point RemapCoords2(int x, int y)
tron@536: {
tron@536: 	return RemapCoords(x, y, GetSlopeZ(x, y));
tron@536: }
truelight@0: 
truelight@0: 
truelight@0: /* clear_land.c */
Darkvater@2436: void DrawHillyLandTile(const TileInfo *ti);
Darkvater@2436: void DrawClearLandTile(const TileInfo *ti, byte set);
tron@2220: void DrawClearLandFence(const TileInfo *ti);
tron@1420: void TileLoopClearHelper(TileIndex tile);
truelight@0: 
truelight@0: /* road_land.c */
truelight@0: void DrawRoadDepotSprite(int x, int y, int image);
truelight@0: 
truelight@0: /* water_land.c */
truelight@0: void DrawShipDepotSprite(int x, int y, int image);
tron@1977: void TileLoop_Water(TileIndex tile);
truelight@0: 
truelight@0: /* players.c */
truelight@0: bool CheckPlayerHasMoney(int32 cost);
truelight@0: void SubtractMoneyFromPlayer(int32 cost);
Darkvater@2436: void SubtractMoneyFromPlayerFract(PlayerID player, int32 cost);
Darkvater@2436: bool CheckOwnership(PlayerID owner);
tron@1977: bool CheckTileOwnership(TileIndex tile);
tron@2475: StringID GetPlayerNameString(PlayerID player, uint index);
truelight@0: 
truelight@0: /* standard */
truelight@0: void ShowInfo(const char *str);
truelight@0: void CDECL ShowInfoF(const char *str, ...);
truelight@0: void NORETURN CDECL error(const char *str, ...);
truelight@0: 
Darkvater@2075: /* openttd.c */
truelight@543: 
truelight@543: // **************
truelight@543: // * Warning: DO NOT enable this unless you understand what it does
truelight@543: // *
truelight@543: // * If enabled, in a network game all randoms will be dumped to the
truelight@543: // *  stdout if the first client joins (or if you are a client). This
truelight@543: // *  is to help finding desync problems.
truelight@543: // *
truelight@543: // * Warning: DO NOT enable this unless you understand what it does
truelight@543: // **************
truelight@543: 
truelight@1539: //#define RANDOM_DEBUG
truelight@543: 
ludde@2073: 
ludde@2073: // Enable this to produce higher quality random numbers.
ludde@2073: // Doesn't work with network yet.
ludde@2073: //#define MERSENNE_TWISTER
ludde@2073: 
ludde@2073: // Mersenne twister functions
ludde@2073: void SeedMT(uint32 seed);
ludde@2073: uint32 RandomMT(void);
ludde@2073: 
ludde@2073: 
ludde@2073: #ifdef MERSENNE_TWISTER
ludde@2073: 	static inline uint32 Random(void) { return RandomMT(); }
ludde@2073: 	uint RandomRange(uint max);
ludde@2073: #else
ludde@2073: 
truelight@543: #ifdef RANDOM_DEBUG
truelight@543: 	#define Random() DoRandom(__LINE__, __FILE__)
truelight@1120: 	uint32 DoRandom(int line, const char *file);
truelight@543: 	#define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
truelight@1120: 	uint DoRandomRange(uint max, int line, const char *file);
truelight@543: #else
tron@1093: 	uint32 Random(void);
truelight@543: 	uint RandomRange(uint max);
ludde@2073: #endif
ludde@2073: #endif // MERSENNE_TWISTER
ludde@2051: 
ludde@2073: static inline TileIndex RandomTileSeed(uint32 r) { return TILE_MASK(r); }
ludde@2073: static inline TileIndex RandomTile(void) { return TILE_MASK(Random()); }
ludde@2073: 
ludde@2073: 
tron@1093: uint32 InteractiveRandom(void); /* Used for random sequences that are not the same on the other end of the multiplayer link */
signde@239: uint InteractiveRandomRange(uint max);
signde@239: 
ludde@2091: 
ludde@2091: // Used for profiling
Darkvater@2482: #define TIC() { extern uint32 _rdtsc(void); uint32 _xxx_ = _rdtsc(); static float __avg__;
Darkvater@2482: #define TOC(s) 	_xxx_ = _rdtsc() - _xxx_; __avg__=__avg__*0.99+_xxx_*0.01; printf("%s: %8d %f\n", s, _xxx_,__avg__); }
ludde@2091: 
ludde@2091: 
truelight@0: void SetDate(uint date);
truelight@0: /* facedraw.c */
truelight@0: void DrawPlayerFace(uint32 face, int color, int x, int y);
truelight@0: 
truelight@0: /* texteff.c */
tron@1093: void MoveAllTextEffects(void);
truelight@0: void AddTextEffect(StringID msg, int x, int y, uint16 duration);
tron@1093: void InitTextEffects(void);
truelight@0: void DrawTextEffects(DrawPixelInfo *dpi);
truelight@0: 
tron@1093: void InitTextMessage(void);
tron@1093: void DrawTextMessage(void);
truelight@619: void CDECL AddTextMessage(uint16 color, uint8 duration, const char *message, ...);
tron@1093: void UndrawTextMessage(void);
tron@1093: void TextMessageDailyLoop(void);
truelight@543: 
tron@1977: bool AddAnimatedTile(TileIndex tile);
tron@1977: void DeleteAnimatedTile(TileIndex tile);
tron@1093: void AnimateAnimatedTiles(void);
tron@1093: void InitializeAnimatedTiles(void);
truelight@0: 
truelight@0: /* tunnelbridge_cmd.c */
tron@1977: bool CheckTunnelInWay(TileIndex tile, int z);
tron@2639: bool CheckBridge_Stuff(byte bridge_type, uint bridge_len);
truelight@0: uint32 GetBridgeLength(TileIndex begin, TileIndex end);
truelight@0: int CalcBridgeLenCostFactor(int x);
truelight@0: 
tron@1977: typedef void CommandCallback(bool success, TileIndex tile, uint32 p1, uint32 p2);
truelight@0: bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, uint32 cmd);
truelight@0: 
truelight@543: /* network.c */
truelight@543: void NetworkUDPClose(void);
tron@1093: void NetworkStartUp(void);
truelight@543: void NetworkShutDown(void);
truelight@543: void NetworkGameLoop(void);
truelight@543: void NetworkUDPGameLoop(void);
truelight@543: bool NetworkServerStart(void);
tron@1329: bool NetworkClientConnectGame(const char* host, unsigned short port);
tron@1093: void NetworkReboot(void);
tron@1093: void NetworkDisconnect(void);
tron@1977: void NetworkSend_Command(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback);
truelight@0: 
truelight@0: /* misc_cmd.c */
tron@1093: void PlaceTreesRandomly(void);
truelight@0: 
truelight@0: void InitializeLandscapeVariables(bool only_constants);
truelight@0: 
truelight@0: /* misc.c */
truelight@0: void DeleteName(StringID id);
tron@1328: char *GetName(int id, char *buff);
truelight@543: 
truelight@543: // AllocateNameUnique also tests if the name used is not used anywere else
truelight@543: //  and if it is used, it returns an error.
truelight@543: #define AllocateNameUnique(name, skip) RealAllocateName(name, skip, true)
truelight@543: #define AllocateName(name, skip) RealAllocateName(name, skip, false)
tron@1328: StringID RealAllocateName(const char *name, byte skip, bool check_double);
truelight@0: void ConvertDayToYMD(YearMonthDay *ymd, uint16 date);
truelight@0: uint ConvertYMDToDay(uint year, uint month, uint day);
truelight@0: uint ConvertIntDate(uint date);
truelight@0: 
truelight@0: /* misc functions */
truelight@0: void MarkTileDirty(int x, int y);
truelight@0: void MarkTileDirtyByTile(TileIndex tile);
tron@2788: void InvalidateWindow(WindowClass cls, WindowNumber number);
tron@2788: void InvalidateWindowWidget(WindowClass cls, WindowNumber number, byte widget_index);
tron@2788: void InvalidateWindowClasses(WindowClass cls);
truelight@0: void DeleteWindowById(WindowClass cls, WindowNumber number);
darkvater@999: void DeleteWindowByClass(WindowClass cls);
truelight@0: 
Darkvater@1914: void SetObjectToPlaceWnd(CursorID icon, byte mode, Window *w);
Darkvater@1914: void SetObjectToPlace(CursorID icon, byte mode, WindowClass window_class, WindowNumber window_num);
truelight@0: 
tron@1093: void ResetObjectToPlace(void);
darkvater@152: 
darkvater@152: bool ScrollWindowTo(int x, int y, Window * w);
darkvater@152: 
truelight@0: bool ScrollMainWindowToTile(TileIndex tile);
truelight@0: bool ScrollMainWindowTo(int x, int y);
truelight@0: void DrawSprite(uint32 img, int x, int y);
darkvater@1082: uint GetCorrectTileHeight(TileIndex tile);
truelight@0: bool EnsureNoVehicle(TileIndex tile);
truelight@0: bool EnsureNoVehicleZ(TileIndex tile, byte z);
truelight@0: void MarkAllViewportsDirty(int left, int top, int right, int bottom);
truelight@0: void ShowCostOrIncomeAnimation(int x, int y, int z, int32 cost);
celestar@1935: void ShowFeederIncomeAnimation(int x, int y, int z, int32 cost);
truelight@0: 
truelight@0: void DrawFoundation(TileInfo *ti, uint f);
truelight@0: 
tron@1977: bool CheckIfAuthorityAllows(TileIndex tile);
tron@1977: Town *ClosestTownFromTile(TileIndex tile, uint threshold);
truelight@0: void ChangeTownRating(Town *t, int add, int max);
truelight@0: 
truelight@0: uint GetRoadBitsByTile(TileIndex tile);
Darkvater@2436: int GetTownRadiusGroup(const Town *t, TileIndex tile);
truelight@543: void ShowNetworkChatQueryWindow(byte desttype, byte dest);
truelight@543: void ShowNetworkGiveMoneyWindow(byte player);
tron@1093: void ShowNetworkNeedGamePassword(void);
tron@1093: void ShowNetworkNeedCompanyPassword(void);
truelight@0: int FindFirstBit(uint32 x);
darkvater@998: void ShowHighscoreTable(int difficulty, int8 rank);
darkvater@983: void ShowEndGameChart(void);
truelight@0: TileIndex AdjustTileCoordRandomly(TileIndex a, byte rng);
truelight@0: 
tron@1093: void AfterLoadTown(void);
Darkvater@1794: void GenRandomNewGame(uint32 rnd1, uint32 rnd2);
Darkvater@1796: void StartScenarioEditor(uint32 rnd1, uint32 rnd2);
tron@1093: void AskExitGame(void);
tron@1093: void AskExitToGameMenu(void);
truelight@0: 
tron@1093: void RedrawAutosave(void);
truelight@0: 
truelight@0: StringID RemapOldStringID(StringID s);
truelight@0: 
truelight@0: void UpdateViewportSignPos(ViewportSign *sign, int left, int top, StringID str);
truelight@0: 
truelight@0: enum {
truelight@0: 	SLD_LOAD_GAME = 0,
truelight@0: 	SLD_LOAD_SCENARIO = 1,
truelight@0: 	SLD_SAVE_GAME = 2,
truelight@0: 	SLD_SAVE_SCENARIO = 3,
truelight@0: 	SLD_NEW_GAME = 4,
truelight@0: };
truelight@0: void ShowSaveLoadDialog(int mode);
truelight@0: 
truelight@0: // callback from drivers that is called if the game size changes dynamically
tron@1093: void GameSizeChanged(void);
truelight@0: bool FileExists(const char *filename);
truelight@0: bool ReadLanguagePack(int index);
tron@1093: void InitializeLanguagePacks(void);
tron@1310: void *ReadFileToMem(const char *filename, size_t *lenp, size_t maxsize);
truelight@0: int GetLanguageList(char **languages, int max);
truelight@0: 
tron@1093: void LoadFromConfig(void);
tron@1093: void SaveToConfig(void);
Darkvater@1688: void CheckConfig(void);
truelight@0: int ttd_main(int argc, char* argv[]);
truelight@0: 
tron@1093: void DeterminePaths(void);
truelight@0: 
celestar@1217: void bubblesort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *));
Darkvater@2380: void CSleep(int milliseconds);
truelight@0: #endif /* FUNCTIONS_H */