summaryrefslogtreecommitdiff
path: root/functions.h
blob: b3e99906f68ff655a877f6122e6bdc04323b1a0a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
#ifndef FUNCTIONS_H
#define FUNCTIONS_H

/* vehicle.c */

/* window.c */


/* landscape.c */
void FindLandscapeHeight(TileInfo *ti, uint x, uint y);
void FindLandscapeHeightByTile(TileInfo *ti, uint tile);
uint GetTileSlope(uint tile, int *h);
int GetTileZ(uint tile);

void DoClearSquare(uint tile);
void CDECL ModifyTile(uint tile, uint flags, ...);
void SetMapExtraBits(uint tile, byte flags);
uint GetMapExtraBits(uint tile);
void RunTileLoop();

uint GetPartialZ(int x, int y, int corners);
uint GetSlopeZ(int x, int y);
uint32 GetTileTrackStatus(uint tile, TransportType mode);
void GetAcceptedCargo(uint tile, AcceptedCargo ac);
void ChangeTileOwner(uint tile, byte old_player, byte new_player);
void AnimateTile(uint tile);
void ClickTile(uint tile);
void GetTileDesc(uint tile, TileDesc *td);
void DrawTile(TileInfo *ti);

uint TileAddWrap(TileIndex tile, int addx, int addy);
enum {
	TILE_WRAPPED = (uint)-1
};

bool IsValidTile(uint tile);

static inline Point RemapCoords(int x, int y, int z)
{
#if !defined(NEW_ROTATION)
	Point pt;
	pt.x = (y - x) * 2;
	pt.y = y + x - z;
#else
	Point pt;
	pt.x = (x + y) * 2;
	pt.y = x - y - z;
#endif
	return pt;
}

static inline Point RemapCoords2(int x, int y)
{
	return RemapCoords(x, y, GetSlopeZ(x, y));
}

/* game.c */
byte *GetString(byte *buffr, uint16 string);
void InjectDparam(int amount);

int32 GetParamInt32();
int GetParamInt16();
int GetParamInt8();
int GetParamUint16();


/* clear_land.c */
void DrawHillyLandTile(TileInfo *ti);
void DrawClearLandTile(TileInfo *ti, byte set);
void DrawClearLandFence(TileInfo *ti, byte img);
void TileLoopClearHelper(uint tile);

/* station_land.c */
void StationPickerDrawSprite(int x, int y, int railtype, int image);

/* track_land.c */
void DrawTrainDepotSprite(int x, int y, int image, int railtype);
void DrawWaypointSprite(int x, int y, int image, int railtype);

/* road_land.c */
void DrawRoadDepotSprite(int x, int y, int image);

/* water_land.c */
void DrawShipDepotSprite(int x, int y, int image);
void TileLoop_Water(uint tile);

/* players.c */
bool CheckPlayerHasMoney(int32 cost);
void SubtractMoneyFromPlayer(int32 cost);
void SubtractMoneyFromPlayerFract(byte player, int32 cost);
bool CheckOwnership(byte owner);
bool CheckTileOwnership(uint tile);
StringID GetPlayerNameString(byte player, byte index);

/* standard */
void ShowInfo(const char *str);
void CDECL ShowInfoF(const char *str, ...);
void NORETURN CDECL error(const char *str, ...);

/* ttd.c */

// **************
// * Warning: DO NOT enable this unless you understand what it does
// *
// * If enabled, in a network game all randoms will be dumped to the
// *  stdout if the first client joins (or if you are a client). This
// *  is to help finding desync problems.
// *
// * Warning: DO NOT enable this unless you understand what it does
// **************

//#define RANDOM_DEBUG

#ifdef RANDOM_DEBUG
	#define Random() DoRandom(__LINE__, __FILE__)
	uint32 DoRandom(uint line, char *file);
	#define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
	uint DoRandomRange(uint max, uint line, char *file);
#else
	uint32 Random();
	uint RandomRange(uint max);
#endif

void InitPlayerRandoms();

uint32 InteractiveRandom(); /* Used for random sequences that are not the same on the other end of the multiplayer link */
uint InteractiveRandomRange(uint max);

void SetDate(uint date);
/* facedraw.c */
void DrawPlayerFace(uint32 face, int color, int x, int y);

/* texteff.c */
void MoveAllTextEffects();
void AddTextEffect(StringID msg, int x, int y, uint16 duration);
void InitTextEffects();
void DrawTextEffects(DrawPixelInfo *dpi);

void InitTextMessage();
void DrawTextMessage();
void CDECL AddTextMessage(uint16 color, uint8 duration, const char *message, ...);
void UndrawTextMessage();
void TextMessageDailyLoop();

bool AddAnimatedTile(uint tile);
void DeleteAnimatedTile(uint tile);
void AnimateAnimatedTiles();
void InitializeAnimatedTiles();

/* tunnelbridge_cmd.c */
bool CheckTunnelInWay(uint tile, int z);
bool CheckBridge_Stuff(byte bridge_type, int bridge_len);
uint32 GetBridgeLength(TileIndex begin, TileIndex end);
int CalcBridgeLenCostFactor(int x);

typedef void CommandCallback(bool success, uint tile, uint32 p1, uint32 p2);
bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, uint32 cmd);

/* network.c */
void NetworkUDPClose(void);
void NetworkStartUp();
void NetworkShutDown(void);
void NetworkGameLoop(void);
void NetworkUDPGameLoop(void);
bool NetworkServerStart(void);
bool NetworkClientConnectGame(const byte* host, unsigned short port);
void NetworkReboot();
void NetworkDisconnect();
void NetworkSend_Command(uint32 tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback);

/* misc_cmd.c */
void PlaceTreesRandomly();

uint GetTileDist(TileIndex xy1, TileIndex xy2);
uint GetTileDist1D(TileIndex xy1, TileIndex xy2);
uint GetTileDist1Db(TileIndex xy1, TileIndex xy2);
uint GetTileDistAdv(TileIndex xy1, TileIndex xy2);
bool CheckDistanceFromEdge(TileIndex tile, uint distance);

void InitializeLandscapeVariables(bool only_constants);

/* misc.c */
void DeleteName(StringID id);
byte *GetName(int id, byte *buff);

// AllocateNameUnique also tests if the name used is not used anywere else
//  and if it is used, it returns an error.
#define AllocateNameUnique(name, skip) RealAllocateName(name, skip, true)
#define AllocateName(name, skip) RealAllocateName(name, skip, false)
StringID RealAllocateName(const byte *name, byte skip, bool check_double);
void ConvertDayToYMD(YearMonthDay *ymd, uint16 date);
uint ConvertYMDToDay(uint year, uint month, uint day);
uint ConvertIntDate(uint date);
void CSleep(int milliseconds);


/* misc functions */
void MarkTileDirty(int x, int y);
void MarkTileDirtyByTile(TileIndex tile);
void InvalidateWindow(byte cls, WindowNumber number);
void InvalidateWindowWidget(byte cls, WindowNumber number, byte widget_index);
void InvalidateWindowClasses(byte cls);
void DeleteWindowById(WindowClass cls, WindowNumber number);
void DeleteWindowByClass(WindowClass cls);

void SetObjectToPlaceWnd(int icon, byte mode, Window *w);
void SetObjectToPlace(int icon, byte mode, WindowClass window_class, WindowNumber window_num);

void ResetObjectToPlace();

bool ScrollWindowToTile(TileIndex tile, Window * w);
bool ScrollWindowTo(int x, int y, Window * w);

bool ScrollMainWindowToTile(TileIndex tile);
bool ScrollMainWindowTo(int x, int y);
void DrawSprite(uint32 img, int x, int y);
bool EnsureNoVehicle(TileIndex tile);
bool EnsureNoVehicleZ(TileIndex tile, byte z);
void MarkAllViewportsDirty(int left, int top, int right, int bottom);
void ShowCostOrIncomeAnimation(int x, int y, int z, int32 cost);
void MarkWholeScreenDirty();

void DrawFoundation(TileInfo *ti, uint f);

bool CheckIfAuthorityAllows(uint tile);
Town *ClosestTownFromTile(uint tile, uint threshold);
void ChangeTownRating(Town *t, int add, int max);

uint GetRoadBitsByTile(TileIndex tile);
int GetTownRadiusGroup(Town *t, uint tile);
int32 GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, byte cargo_type);
void ShowNetworkChatQueryWindow(byte desttype, byte dest);
void ShowNetworkGiveMoneyWindow(byte player);
void ShowNetworkNeedGamePassword();
void ShowNetworkNeedCompanyPassword();
void ShowRenameWaypointWindow(Waypoint *cp);
int FindFirstBit(uint32 x);
void ShowHighscoreTable(int difficulty, int8 rank);
void ShowEndGameChart(void);
TileIndex AdjustTileCoordRandomly(TileIndex a, byte rng);

enum SaveOrLoadResult {
	SL_OK = 0, // completed successfully
	SL_ERROR = 1, // error that was caught before internal structures were modified
	SL_REINIT = 2, // error that was caught in the middle of updating game state, need to clear it. (can only happen during load)
};
enum SaveOrLoadMode {
	SL_INVALID = -1,
	SL_LOAD = 0,
	SL_SAVE = 1,
	SL_OLD_LOAD = 2,
};

int SaveOrLoad(const char *filename, int mode);

void AfterLoadTown();
void AskExitGame();
void AskExitToGameMenu();

void RedrawAutosave();

StringID RemapOldStringID(StringID s);

void UpdateViewportSignPos(ViewportSign *sign, int left, int top, StringID str);

enum {
	SLD_LOAD_GAME = 0,
	SLD_LOAD_SCENARIO = 1,
	SLD_SAVE_GAME = 2,
	SLD_SAVE_SCENARIO = 3,
	SLD_NEW_GAME = 4,
};
void ShowSaveLoadDialog(int mode);

void ttd_strlcpy(char *dst, const char *src, size_t len);

// callback from drivers that is called if the game size changes dynamically
void GameSizeChanged();
bool FileExists(const char *filename);
bool ReadLanguagePack(int index);
void InitializeLanguagePacks();
byte *ReadFileToMem(const char *filename, size_t *lenp, size_t maxsize);
int GetLanguageList(char **languages, int max);

void CheckSwitchToEuro();

void LoadFromConfig();
void SaveToConfig();
int ttd_main(int argc, char* argv[]);
byte GetOSVersion();

void DeterminePaths();
char * CDECL str_fmt(const char *str, ...);

#endif /* FUNCTIONS_H */