summaryrefslogtreecommitdiff
path: root/ttd.h
blob: 2764d0141666ea25972d5e79842286dd1c57c0aa (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
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
#ifndef TTD_H
#define TTD_H

#ifndef VARDEF
#define VARDEF extern
#endif

// use this on non static functions
#define PUBLIC

typedef struct Rect {
	int left,top,right,bottom;
} Rect;

typedef struct SmallPoint {
	int16 x,y;
} SmallPoint;

typedef struct Point {
	int x,y;
} Point;

typedef struct Pair {
	int a;
	int b;
} Pair;

/**
 * Is used as a general sortable struct (using qsort and friends). Is used for
 * sorting vehicles and stations at the moment
 */
typedef struct SortStruct {
	uint32	index;
	byte		owner;
} SortStruct;

typedef struct YearMonthDay {
	int year, month, day;
} YearMonthDay;

/* --- 1 Day is 74 ticks ---
* The game's internal structure is dictated by ticks. The date counter (date_fract) is an integer of
* uint16 type, so it can have a max value of 65536. Every tick this variable (date_fract) is
* increased by 885. When it overflows, the new day loop is called.
* * this that means 1 day is : 65536 / 885 = 74 ticks
* * 1 tick is approximately 27ms.
* * 1 day is thus about 2 seconds (74*27 = 1998) on a machine that can run OpenTTD normally
*/
#define DAY_TICKS 74
#define MAX_YEAR_BEGIN_REAL 1920
#define MAX_YEAR_END_REAL 2090
#define MAX_YEAR_END 170

#include "macros.h"

// Forward declarations of structs.
typedef struct Vehicle Vehicle;
typedef struct Depot Depot;
typedef struct Waypoint Waypoint;
typedef struct Window Window;
typedef struct Station Station;
typedef struct ViewPort ViewPort;
typedef struct Town Town;
typedef struct NewsItem NewsItem;
typedef struct Industry Industry;
typedef struct DrawPixelInfo DrawPixelInfo;
typedef uint16 VehicleID;
typedef byte PlayerID;
typedef byte OrderID;
typedef byte CargoID;
typedef uint16 StringID;
typedef uint16 SpriteID;
typedef uint32 PalSpriteID;

typedef uint32 WindowNumber;
typedef byte WindowClass;


enum GameModes {
	GM_MENU,
	GM_NORMAL,
	GM_EDITOR
};

enum SwitchModes {
	SM_NONE = 0,
	SM_NEWGAME = 1,
	SM_EDITOR = 2,
	SM_LOAD = 3,
	SM_MENU = 4,
	SM_SAVE = 5,
	SM_GENRANDLAND = 6,
	SM_LOAD_SCENARIO = 9,
	SM_START_SCENARIO = 10,
};

typedef enum TransportTypes {
	/* These constants are for now linked to the representation of bridges
	 * and tunnels, so they can be used by GetTileTrackStatus_TunnelBridge
	 * to compare against the map5 array. In an ideal world, these
	 * constants would be used everywhere when accessing tunnels and
	 * bridges. For now, you should just not change the values for road
	 * and rail.
	 */
  TRANSPORT_RAIL = 0,
	TRANSPORT_ROAD = 1,
	TRANSPORT_WATER,	// = 2
	TRANSPORT_MAX			// = 3
} TransportType;

typedef struct TileInfo {
	uint x;
	uint y;
	uint tileh;
	uint type;
	uint map5;
	uint tile;
	uint z;
} TileInfo;

enum {
	NG_EDGE = 1,
};

/* Display Options */
enum {
	DO_SHOW_TOWN_NAMES  = 1,
	DO_SHOW_STATION_NAMES = 2,
	DO_SHOW_SIGNS = 4,
	DO_FULL_ANIMATION = 8,
	DO_TRANS_BUILDINGS = 0x10,
	DO_FULL_DETAIL = 0x20,
	DO_WAYPOINTS = 0x40,
};

/* Landscape types */
enum {
	LT_NORMAL = 0,
	LT_HILLY = 1,
	LT_DESERT = 2,
	LT_CANDY = 3,

	NUM_LANDSCAPE = 4,
};

enum {
	NUM_PRICES = 49,
};

typedef struct Prices {
	int32 station_value;
	int32 build_rail;
	int32 build_road;
	int32 build_signals;
	int32 build_bridge;
	int32 build_train_depot;
	int32 build_road_depot;
	int32 build_ship_depot;
	int32 build_tunnel;
	int32 train_station_track;
	int32 train_station_length;
	int32 build_airport;
	int32 build_bus_station;
	int32 build_truck_station;
	int32 build_dock;
	int32 build_railvehicle;
	int32 build_railwagon;
	int32 aircraft_base;
	int32 roadveh_base;
	int32 ship_base;
	int32 build_trees;
	int32 terraform;
	int32 clear_1;
	int32 purchase_land;
	int32 clear_2;
	int32 clear_3;
	int32 remove_trees;
	int32 remove_rail;
	int32 remove_signals;
	int32 clear_bridge;
	int32 remove_train_depot;
	int32 remove_road_depot;
	int32 remove_ship_depot;
	int32 clear_tunnel;
	int32 clear_water;
	int32 remove_rail_station;
	int32 remove_airport;
	int32 remove_bus_station;
	int32 remove_truck_station;
	int32 remove_dock;
	int32 remove_house;
	int32 remove_road;
	int32 running_rail[3];
	int32 aircraft_running;
	int32 roadveh_running;
	int32 ship_running;
	int32 build_industry;
} Prices;

#define GAME_DIFFICULTY_NUM 18

typedef struct GameDifficulty {
	int max_no_competitors;
	int competitor_start_time;
	int number_towns;
	int number_industries;
	int max_loan;
	int initial_interest;
	int vehicle_costs;
	int competitor_speed;
	int competitor_intelligence;
	int vehicle_breakdowns;
	int subsidy_multiplier;
	int construction_cost;
	int terrain_type;
	int quantity_sea_lakes;
	int economy;
	int line_reverse_mode;
	int disasters;
	int town_council_tolerance;	// minimum required town ratings to be allowed to demolish stuff
} GameDifficulty;

enum {
	// Temperate
	CT_PASSENGERS = 0,
	CT_COAL = 1,
	CT_MAIL = 2,
	CT_OIL = 3,
	CT_LIVESTOCK = 4,
	CT_GOODS = 5,
	CT_GRAIN = 6,
	CT_WOOD = 7,
	CT_IRON_ORE = 8,
	CT_STEEL = 9,
	CT_VALUABLES = 10,
	CT_FOOD = 11,

	// Arctic
	CT_WHEAT = 6,
	CT_HILLY_UNUSED = 8,
	CT_PAPER = 9,
	CT_GOLD = 10,

	// Tropic
	CT_RUBBER = 1,
	CT_FRUIT = 4,
	CT_MAIZE = 6,
	CT_COPPER_ORE = 8,
	CT_WATER = 9,
	CT_DIAMONDS = 10,

	// Toyland
	CT_SUGAR = 1,
	CT_TOYS = 3,
	CT_BATTERIES = 4,
	CT_CANDY = 5,
	CT_TOFFEE = 6,
	CT_COLA = 7,
	CT_COTTON_CANDY = 8,
	CT_BUBBLES = 9,
	CT_PLASTIC = 10,
	CT_FIZZY_DRINKS = 11,

	NUM_CARGO = 12,

	CT_INVALID = 0xFF
};

typedef uint AcceptedCargo[NUM_CARGO];

typedef struct TileDesc {
	StringID str;
	byte owner;
	uint16 build_date;
	uint32 dparam[2];
} TileDesc;

typedef struct {
	int32 left;
	int32 top;
	byte width_1, width_2;
} ViewportSign;

typedef int32 CommandProc(int x, int y, uint32 flags, uint32 p1, uint32 p2);

typedef void DrawTileProc(TileInfo *ti);
typedef uint GetSlopeZProc(TileInfo *ti);
typedef int32 ClearTileProc(uint tile, byte flags);
typedef void GetAcceptedCargoProc(uint tile, AcceptedCargo res);
typedef void GetTileDescProc(uint tile, TileDesc *td);
/* GetTileTrackStatusProcs return a value that contains the possible tracks
 * that can be taken on a given tile by a given transport. The return value is
 * composed as follows: 0xaabbccdd. ccdd and aabb are bitmasks of trackdirs,
 * where bit n corresponds to trackdir n. ccdd are the trackdirs that are
 * present in the tile (1==present, 0==not present), aabb is the signal
 * status, if applicable (0==green/no signal, 1==red, note that this is
 * reversed from map3/2[tile] for railway signals).
 *
 * The result (let's call it ts) is often used as follows:
 * tracks = (byte)(ts | ts >>8)
 * This effectively converts the present part of the result (ccdd) to a
 * track bitmask, which disregards directions. Normally, this is the same as just
 * doing (byte)ts I think, although I am not really sure
 *
 * A trackdir is combination of a track and a dir, where the lower three bits
 * are a track, the fourth bit is the direction. these give 12 (or 14)
 * possible options: 0-5 and 8-13, so we need 14 bits for a trackdir bitmask
 * above.
 */
typedef uint32 GetTileTrackStatusProc(uint tile, TransportType mode);
typedef void GetProducedCargoProc(uint tile, byte *b);
typedef void ClickTileProc(uint tile);
typedef void AnimateTileProc(uint tile);
typedef void TileLoopProc(uint tile);
typedef void ChangeTileOwnerProc(uint tile, byte old_player, byte new_player);
/* Return value has bit 0x2 set, when the vehicle enters a station. Then,
 * result << 8 contains the id of the station entered. If the return value has
 * bit 0x8 set, the vehicle could not and did not enter the tile. Are there
 * other bits that can be set? */
typedef uint32 VehicleEnterTileProc(Vehicle *v, uint tile, int x, int y);
typedef void VehicleLeaveTileProc(Vehicle *v, uint tile, int x, int y);
typedef uint GetSlopeTilehProc(TileInfo *ti);

typedef struct {
	DrawTileProc *draw_tile_proc;
	GetSlopeZProc *get_slope_z_proc;
	ClearTileProc *clear_tile_proc;
	GetAcceptedCargoProc *get_accepted_cargo_proc;
	GetTileDescProc *get_tile_desc_proc;
	GetTileTrackStatusProc *get_tile_track_status_proc;
	ClickTileProc *click_tile_proc;
	AnimateTileProc *animate_tile_proc;
	TileLoopProc *tile_loop_proc;
	ChangeTileOwnerProc *change_tile_owner_proc;
	GetProducedCargoProc *get_produced_cargo_proc;
	VehicleEnterTileProc *vehicle_enter_tile_proc;
	VehicleLeaveTileProc *vehicle_leave_tile_proc;
	GetSlopeTilehProc *get_slope_tileh_proc;
} TileTypeProcs;



#define MP_SETTYPE(x) ((x+1) << 8)

enum {
	MP_MAP2 = 1<<0,
	MP_MAP3LO = 1<<1,
	MP_MAP3HI = 1<<2,
	MP_MAP5 = 1<<3,
	MP_MAPOWNER_CURRENT = 1<<4,
	MP_MAPOWNER = 1<<5,

	MP_TYPE_MASK = 0xF << 8,

	MP_MAP2_CLEAR = 1 << 12,
	MP_MAP3LO_CLEAR = 1 << 13,
	MP_MAP3HI_CLEAR = 1 << 14,

	MP_NODIRTY = 1<<15,
};

enum {
	WC_MAIN_WINDOW = 0x0,
	WC_MAIN_TOOLBAR = 0x1,
	WC_STATUS_BAR = 0x2,
	WC_BUILD_TOOLBAR = 0x3,
	WC_NEWS_WINDOW = 0x4,
	WC_TOWN_DIRECTORY = 0x5,
	WC_STATION_LIST = 0x6,
	WC_TOWN_VIEW = 0x7,
	WC_SMALLMAP = 0x8,
	WC_TRAINS_LIST = 0x9,
	WC_ROADVEH_LIST = 0xA,
	WC_SHIPS_LIST = 0xB,
	WC_AIRCRAFT_LIST = 0xC,
	WC_VEHICLE_VIEW = 0xD,
	WC_VEHICLE_DETAILS = 0xE,
	WC_VEHICLE_REFIT = 0xF,
	WC_VEHICLE_ORDERS = 0x10,
	WC_STATION_VIEW = 0x11,
	WC_VEHICLE_DEPOT = 0x12,
	WC_BUILD_VEHICLE = 0x13,
	WC_BUILD_BRIDGE = 0x14,
	WC_ERRMSG = 0x15,
	WC_ASK_ABANDON_GAME = 0x16,
	WC_QUIT_GAME = 0x17,
	WC_BUILD_STATION = 0x18,
	WC_BUS_STATION = 0x19,
	WC_TRUCK_STATION = 0x1A,
	WC_BUILD_DEPOT = 0x1B,
	WC_DEBUGGER = 0x1C,
	WC_COMPANY = 0x1D,
	WC_FINANCES = 0x1E,
	WC_PLAYER_COLOR = 0x1F,
	WC_QUERY_STRING = 0x20,
	WC_SAVELOAD = 0x21,
	WC_SELECT_GAME = 0x22,
	WC_TOOLBAR_MENU = 0x24,
	WC_INCOME_GRAPH = 0x25,
	WC_OPERATING_PROFIT = 0x26,
	WC_TOOLTIPS = 0x27,
	WC_INDUSTRY_VIEW = 0x28,
	WC_PLAYER_FACE = 0x29,
	WC_LAND_INFO = 0x2A,
	WC_TOWN_AUTHORITY = 0x2B,
	WC_SUBSIDIES_LIST = 0x2C,
	WC_GRAPH_LEGEND = 0x2D,
	WC_DELIVERED_CARGO = 0x2E,
	WC_PERFORMANCE_HISTORY = 0x2F,
	WC_COMPANY_VALUE = 0x30,
	WC_COMPANY_LEAGUE = 0x31,
	WC_BUY_COMPANY = 0x32,
	WC_PAYMENT_RATES = 0x33,
	WC_SELECT_TUTORIAL = 0x34,
	WC_ENGINE_PREVIEW = 0x35,
	WC_MUSIC_WINDOW = 0x36,
	WC_MUSIC_TRACK_SELECTION = 0x37,
	WC_SCEN_LAND_GEN = 0x38, // also used for landscaping toolbar
	WC_ASK_RESET_LANDSCAPE = 0x39,
	WC_SCEN_TOWN_GEN = 0x3A,
	WC_SCEN_INDUSTRY = 0x3B,
	WC_SCEN_BUILD_ROAD = 0x3C,
	WC_BUILD_TREES = 0x3D,
	WC_SEND_NETWORK_MSG = 0x3E,
	WC_DROPDOWN_MENU = 0x3F,
	WC_BUILD_INDUSTRY = 0x40,
	WC_GAME_OPTIONS = 0x41,
	WC_NETWORK_WINDOW = 0x42,
	WC_INDUSTRY_DIRECTORY = 0x43,
	WC_MESSAGE_HISTORY = 0x44,
	WC_CHEATS = 0x45,
	WC_PERFORMANCE_DETAIL = 0x46,
	WC_CONSOLE = 0x47,
	WC_EXTRA_VIEW_PORT = 0x48,
	WC_CLIENT_LIST = 0x49,
	WC_NETWORK_STATUS_WINDOW = 0x4A,
	WC_CUSTOM_CURRENCY = 0x4B,
	WC_REPLACE_VEHICLE = 0x4C,
	WC_HIGHSCORE = 0x4D,
	WC_ENDSCREEN = 0x4E,
	WC_SIGN_LIST = 0x4F,
};


enum {
	EXPENSES_CONSTRUCTION = 0,
	EXPENSES_NEW_VEHICLES = 1,
	EXPENSES_TRAIN_RUN = 2,
	EXPENSES_ROADVEH_RUN = 3,
	EXPENSES_AIRCRAFT_RUN = 4,
	EXPENSES_SHIP_RUN = 5,
	EXPENSES_PROPERTY = 6,
	EXPENSES_TRAIN_INC = 7,
	EXPENSES_ROADVEH_INC = 8,
	EXPENSES_AIRCRAFT_INC = 9,
	EXPENSES_SHIP_INC = 10,
	EXPENSES_LOAN_INT = 11,
	EXPENSES_OTHER = 12,
};

// Tile type misc constants, don't know where to put these
enum {
	TRACKTYPE_SPRITE_PITCH = 0x52,
};


// special string constants
enum SpecialStrings {

	// special strings for town names. the town name is generated dynamically on request.
	SPECSTR_TOWNNAME_START = 0x20C0,
	SPECSTR_TOWNNAME_ENGLISH = SPECSTR_TOWNNAME_START,
	SPECSTR_TOWNNAME_FRENCH,
	SPECSTR_TOWNNAME_GERMAN,
	SPECSTR_TOWNNAME_AMERICAN,
	SPECSTR_TOWNNAME_LATIN,
	SPECSTR_TOWNNAME_SILLY,
	SPECSTR_TOWNNAME_SWEDISH,
	SPECSTR_TOWNNAME_DUTCH,
	SPECSTR_TOWNNAME_FINNISH,
	SPECSTR_TOWNNAME_POLISH,
	SPECSTR_TOWNNAME_SLOVAKISH,
	SPECSTR_TOWNNAME_NORWEGIAN,
	SPECSTR_TOWNNAME_HUNGARIAN,
	SPECSTR_TOWNNAME_AUSTRIAN,
	SPECSTR_TOWNNAME_ROMANIAN,
	SPECSTR_TOWNNAME_CZECH,
	SPECSTR_TOWNNAME_SWISS,
  SPECSTR_TOWNNAME_LAST = SPECSTR_TOWNNAME_SWISS,

	// special strings for player names on the form "TownName transport".
	SPECSTR_PLAYERNAME_START = 0x70EA,
	SPECSTR_PLAYERNAME_ENGLISH = SPECSTR_PLAYERNAME_START,
	SPECSTR_PLAYERNAME_FRENCH,
	SPECSTR_PLAYERNAME_GERMAN,
	SPECSTR_PLAYERNAME_AMERICAN,
	SPECSTR_PLAYERNAME_LATIN,
	SPECSTR_PLAYERNAME_SILLY,
	SPECSTR_PLAYERNAME_LAST = SPECSTR_PLAYERNAME_SILLY,

	SPECSTR_ANDCO_NAME = 0x70E6,
	SPECSTR_PRESIDENT_NAME = 0x70E7,
	SPECSTR_SONGNAME = 0x70E8,

	// reserve 32 strings for the *.lng files
	SPECSTR_LANGUAGE_START = 0x7100,
	SPECSTR_LANGUAGE_END = 0x711f,

	// reserve 32 strings for various screen resolutions
	SPECSTR_RESOLUTION_START = 0x7120,
	SPECSTR_RESOLUTION_END = 0x713f,

	// reserve 32 strings for screenshot formats
	SPECSTR_SCREENSHOT_START = 0x7140,
	SPECSTR_SCREENSHOT_END = 0x715F,

	STR_SPEC_SCREENSHOT_NAME = 0xF800,
	STR_SPEC_USERSTRING = 0xF801,
};

typedef void PlaceProc(uint tile);

VARDEF byte _savegame_sort_order;

#define INVALID_UINT_TILE (uint)0xFFFFFFFF
#define INVALID_STRING_ID 0xFFFF

enum {
	MAX_SCREEN_WIDTH = 2048,
	MAX_SCREEN_HEIGHT = 1200,
};

/* In certain windows you navigate with the arrow keys. Do not scroll the
 * gameview when here. Bitencoded variable that only allows scrolling if all
 * elements are zero */
enum {
	SCROLL_CON =  0,
	SCROLL_EDIT = 1,
	SCROLL_SAVE = 2,
	SCROLL_CHAT = 4,
};
VARDEF byte _no_scroll;

#include "functions.h"
#include "variables.h"

#endif /* TTD_H */