summaryrefslogtreecommitdiff
path: root/src/settings_table.cpp
blob: bf64933914c60859513a9ceeba7e64bfe9c8d278 (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
/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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/>.
 */

/**
 * @file settings_table.cpp The tables of all the settings as well as the implementation of most of their callbacks.
 */

#include "stdafx.h"
#include "settings_table.h"
#include "currency.h"
#include "screenshot.h"
#include "network/network.h"
#include "network/network_func.h"
#include "network/core/config.h"
#include "pathfinder/pathfinder_type.h"
#include "layer_type.h"
#include "genworld.h"
#include "train.h"
#include "news_func.h"
#include "window_func.h"
#include "company_func.h"
#if defined(WITH_FREETYPE) || defined(_WIN32) || defined(WITH_COCOA)
#define HAS_TRUETYPE_FONT
#include "fontcache.h"
#endif
#include "textbuf_gui.h"
#include "rail_gui.h"
#include "elrail_func.h"
#include "error.h"
#include "town.h"
#include "video/video_driver.hpp"
#include "sound/sound_driver.hpp"
#include "music/music_driver.hpp"
#include "blitter/factory.hpp"
#include "base_media_base.h"
#include "ai/ai_config.hpp"
#include "ai/ai.hpp"
#include "game/game_config.hpp"
#include "ship.h"
#include "smallmap_gui.h"
#include "roadveh.h"
#include "vehicle_func.h"
#include "void_map.h"

#include "table/strings.h"
#include "table/settings.h"

#include "safeguards.h"

SettingTable _company_settings{ _company_settings_table };
SettingTable _currency_settings{ _currency_settings_table };
SettingTable _difficulty_settings{ _difficulty_settings_table };
SettingTable _multimedia_settings{ _multimedia_settings_table };
SettingTable _economy_settings{ _economy_settings_table };
SettingTable _game_settings{ _game_settings_table };
SettingTable _gui_settings{ _gui_settings_table };
SettingTable _linkgraph_settings{ _linkgraph_settings_table };
SettingTable _locale_settings{ _locale_settings_table };
SettingTable _misc_settings{ _misc_settings_table };
SettingTable _network_private_settings{ _network_private_settings_table };
SettingTable _network_secrets_settings{ _network_secrets_settings_table };
SettingTable _network_settings{ _network_settings_table };
SettingTable _news_display_settings{ _news_display_settings_table };
SettingTable _old_gameopt_settings{ _old_gameopt_settings_table };
SettingTable _pathfinding_settings{ _pathfinding_settings_table };
SettingTable _script_settings{ _script_settings_table };
SettingTable _window_settings{ _window_settings_table };
SettingTable _world_settings{ _world_settings_table };
#if defined(_WIN32) && !defined(DEDICATED)
SettingTable _win32_settings{ _win32_settings_table };
#endif /* _WIN32 */


/* Begin - Callback Functions for the various settings. */

/** Reposition the main toolbar as the setting changed. */
static void v_PositionMainToolbar(int32 new_value)
{
	if (_game_mode != GM_MENU) PositionMainToolbar(nullptr);
}

/** Reposition the statusbar as the setting changed. */
static void v_PositionStatusbar(int32 new_value)
{
	if (_game_mode != GM_MENU) {
		PositionStatusbar(nullptr);
		PositionNewsMessage(nullptr);
		PositionNetworkChatWindow(nullptr);
	}
}

/**
 * Redraw the smallmap after a colour scheme change.
 * @param p1 Callback parameter.
 */
static void RedrawSmallmap(int32 new_value)
{
	BuildLandLegend();
	BuildOwnerLegend();
	SetWindowClassesDirty(WC_SMALLMAP);
}

static void StationSpreadChanged(int32 p1)
{
	InvalidateWindowData(WC_SELECT_STATION, 0);
	InvalidateWindowData(WC_BUILD_STATION, 0);
}

static void UpdateConsists(int32 new_value)
{
	for (Train *t : Train::Iterate()) {
		/* Update the consist of all trains so the maximum speed is set correctly. */
		if (t->IsFrontEngine() || t->IsFreeWagon()) t->ConsistChanged(CCF_TRACK);
	}
	InvalidateWindowClassesData(WC_BUILD_VEHICLE, 0);
}

/* Check service intervals of vehicles, newvalue is value of % or day based servicing */
static void UpdateAllServiceInterval(int32 new_value)
{
	bool update_vehicles;
	VehicleDefaultSettings *vds;
	if (_game_mode == GM_MENU || !Company::IsValidID(_current_company)) {
		vds = &_settings_client.company.vehicle;
		update_vehicles = false;
	} else {
		vds = &Company::Get(_current_company)->settings.vehicle;
		update_vehicles = true;
	}

	if (new_value != 0) {
		vds->servint_trains   = 50;
		vds->servint_roadveh  = 50;
		vds->servint_aircraft = 50;
		vds->servint_ships    = 50;
	} else {
		vds->servint_trains   = 150;
		vds->servint_roadveh  = 150;
		vds->servint_aircraft = 100;
		vds->servint_ships    = 360;
	}

	if (update_vehicles) {
		const Company *c = Company::Get(_current_company);
		for (Vehicle *v : Vehicle::Iterate()) {
			if (v->owner == _current_company && v->IsPrimaryVehicle() && !v->ServiceIntervalIsCustom()) {
				v->SetServiceInterval(CompanyServiceInterval(c, v->type));
				v->SetServiceIntervalIsPercent(new_value != 0);
			}
		}
	}

	SetWindowClassesDirty(WC_VEHICLE_DETAILS);
}

static bool CanUpdateServiceInterval(VehicleType type, int32 &new_value)
{
	VehicleDefaultSettings *vds;
	if (_game_mode == GM_MENU || !Company::IsValidID(_current_company)) {
		vds = &_settings_client.company.vehicle;
	} else {
		vds = &Company::Get(_current_company)->settings.vehicle;
	}

	/* Test if the interval is valid */
	int32 interval = GetServiceIntervalClamped(new_value, vds->servint_ispercent);
	return interval == new_value;
}

static void UpdateServiceInterval(VehicleType type, int32 new_value)
{
	if (_game_mode != GM_MENU && Company::IsValidID(_current_company)) {
		for (Vehicle *v : Vehicle::Iterate()) {
			if (v->owner == _current_company && v->type == type && v->IsPrimaryVehicle() && !v->ServiceIntervalIsCustom()) {
				v->SetServiceInterval(new_value);
			}
		}
	}

	SetWindowClassesDirty(WC_VEHICLE_DETAILS);
}

static void TrainAccelerationModelChanged(int32 new_value)
{
	for (Train *t : Train::Iterate()) {
		if (t->IsFrontEngine()) {
			t->tcache.cached_max_curve_speed = t->GetCurveSpeedLimit();
			t->UpdateAcceleration();
		}
	}

	/* These windows show acceleration values only when realistic acceleration is on. They must be redrawn after a setting change. */
	SetWindowClassesDirty(WC_ENGINE_PREVIEW);
	InvalidateWindowClassesData(WC_BUILD_VEHICLE, 0);
	SetWindowClassesDirty(WC_VEHICLE_DETAILS);
}

/**
 * This function updates the train acceleration cache after a steepness change.
 * @param new_value Unused new value of setting.
 */
static void TrainSlopeSteepnessChanged(int32 new_value)
{
	for (Train *t : Train::Iterate()) {
		if (t->IsFrontEngine()) t->CargoChanged();
	}
}

/**
 * This function updates realistic acceleration caches when the setting "Road vehicle acceleration model" is set.
 * @param new_value Unused new value of setting.
 */
static void RoadVehAccelerationModelChanged(int32 new_value)
{
	if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) {
		for (RoadVehicle *rv : RoadVehicle::Iterate()) {
			if (rv->IsFrontEngine()) {
				rv->CargoChanged();
			}
		}
	}

	/* These windows show acceleration values only when realistic acceleration is on. They must be redrawn after a setting change. */
	SetWindowClassesDirty(WC_ENGINE_PREVIEW);
	InvalidateWindowClassesData(WC_BUILD_VEHICLE, 0);
	SetWindowClassesDirty(WC_VEHICLE_DETAILS);
}

/**
 * This function updates the road vehicle acceleration cache after a steepness change.
 * @param new_value Unused new value of setting.
 */
static void RoadVehSlopeSteepnessChanged(int32 new_value)
{
	for (RoadVehicle *rv : RoadVehicle::Iterate()) {
		if (rv->IsFrontEngine()) rv->CargoChanged();
	}
}

static void TownFoundingChanged(int32 new_value)
{
	if (_game_mode != GM_EDITOR && _settings_game.economy.found_town == TF_FORBIDDEN) {
		CloseWindowById(WC_FOUND_TOWN, 0);
	} else {
		InvalidateWindowData(WC_FOUND_TOWN, 0);
	}
}

static void ZoomMinMaxChanged(int32 new_value)
{
	extern void ConstrainAllViewportsZoom();
	ConstrainAllViewportsZoom();
	GfxClearSpriteCache();
	if (_settings_client.gui.zoom_min > _gui_zoom) {
		/* Restrict GUI zoom if it is no longer available. */
		_gui_zoom = _settings_client.gui.zoom_min;
		UpdateCursorSize();
		LoadStringWidthTable();
	}
}

static void SpriteZoomMinChanged(int32 new_value)
{
	GfxClearSpriteCache();
	/* Force all sprites to redraw at the new chosen zoom level */
	MarkWholeScreenDirty();
}

/**
 * Update any possible saveload window and delete any newgrf dialogue as
 * its widget parts might change. Reinit all windows as it allows access to the
 * newgrf debug button.
 * @param new_value unused.
 */
static void InvalidateNewGRFChangeWindows(int32 new_value)
{
	InvalidateWindowClassesData(WC_SAVELOAD);
	CloseWindowByClass(WC_GAME_OPTIONS);
	ReInitAllWindows(_gui_zoom_cfg);
}

static void InvalidateCompanyLiveryWindow(int32 new_value)
{
	InvalidateWindowClassesData(WC_COMPANY_COLOUR, -1);
	ResetVehicleColourMap();
}

static void DifficultyNoiseChange(int32 new_value)
{
	if (_game_mode == GM_NORMAL) {
		UpdateAirportsNoise();
		if (_settings_game.economy.station_noise_level) {
			InvalidateWindowClassesData(WC_TOWN_VIEW, 0);
		}
	}
}

static void MaxNoAIsChange(int32 new_value)
{
	if (GetGameSettings().difficulty.max_no_competitors != 0 &&
			AI::GetInfoList()->size() == 0 &&
			(!_networking || _network_server)) {
		ShowErrorMessage(STR_WARNING_NO_SUITABLE_AI, INVALID_STRING_ID, WL_CRITICAL);
	}

	InvalidateWindowClassesData(WC_GAME_OPTIONS, 0);
}

/**
 * Check whether the road side may be changed.
 * @param new_value unused
 * @return true if the road side may be changed.
 */
static bool CheckRoadSide(int32 &new_value)
{
	extern bool RoadVehiclesAreBuilt();
	return _game_mode == GM_MENU || !RoadVehiclesAreBuilt();
}

/**
 * Conversion callback for _gameopt_settings_game.landscape
 * It converts (or try) between old values and the new ones,
 * without losing initial setting of the user
 * @param value that was read from config file
 * @return the "hopefully" converted value
 */
static size_t ConvertLandscape(const char *value)
{
	/* try with the old values */
	static std::vector<std::string> _old_landscape_values{"normal", "hilly", "desert", "candy"};
	return OneOfManySettingDesc::ParseSingleValue(value, strlen(value), _old_landscape_values);
}

static bool CheckFreeformEdges(int32 &new_value)
{
	if (_game_mode == GM_MENU) return true;
	if (new_value != 0) {
		for (Ship *s : Ship::Iterate()) {
			/* Check if there is a ship on the northern border. */
			if (TileX(s->tile) == 0 || TileY(s->tile) == 0) {
				ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_EMPTY, INVALID_STRING_ID, WL_ERROR);
				return false;
			}
		}
		for (const BaseStation *st : BaseStation::Iterate()) {
			/* Check if there is a non-deleted buoy on the northern border. */
			if (st->IsInUse() && (TileX(st->xy) == 0 || TileY(st->xy) == 0)) {
				ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_EMPTY, INVALID_STRING_ID, WL_ERROR);
				return false;
			}
		}
	} else {
		for (uint i = 0; i < MapMaxX(); i++) {
			if (TileHeight(TileXY(i, 1)) != 0) {
				ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
				return false;
			}
		}
		for (uint i = 1; i < MapMaxX(); i++) {
			if (!IsTileType(TileXY(i, MapMaxY() - 1), MP_WATER) || TileHeight(TileXY(1, MapMaxY())) != 0) {
				ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
				return false;
			}
		}
		for (uint i = 0; i < MapMaxY(); i++) {
			if (TileHeight(TileXY(1, i)) != 0) {
				ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
				return false;
			}
		}
		for (uint i = 1; i < MapMaxY(); i++) {
			if (!IsTileType(TileXY(MapMaxX() - 1, i), MP_WATER) || TileHeight(TileXY(MapMaxX(), i)) != 0) {
				ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
				return false;
			}
		}
	}
	return true;
}

static void UpdateFreeformEdges(int32 new_value)
{
	if (_game_mode == GM_MENU) return;

	if (new_value != 0) {
		for (uint x = 0; x < MapSizeX(); x++) MakeVoid(TileXY(x, 0));
		for (uint y = 0; y < MapSizeY(); y++) MakeVoid(TileXY(0, y));
	} else {
		/* Make tiles at the border water again. */
		for (uint i = 0; i < MapMaxX(); i++) {
			SetTileHeight(TileXY(i, 0), 0);
			SetTileType(TileXY(i, 0), MP_WATER);
		}
		for (uint i = 0; i < MapMaxY(); i++) {
			SetTileHeight(TileXY(0, i), 0);
			SetTileType(TileXY(0, i), MP_WATER);
		}
	}
	MarkWholeScreenDirty();
}

/**
 * Changing the setting "allow multiple NewGRF sets" is not allowed
 * if there are vehicles.
 */
static bool CheckDynamicEngines(int32 &new_value)
{
	if (_game_mode == GM_MENU) return true;

	if (!EngineOverrideManager::ResetToCurrentNewGRFConfig()) {
		ShowErrorMessage(STR_CONFIG_SETTING_DYNAMIC_ENGINES_EXISTING_VEHICLES, INVALID_STRING_ID, WL_ERROR);
		return false;
	}

	return true;
}

static bool CheckMaxHeightLevel(int32 &new_value)
{
	if (_game_mode == GM_NORMAL) return false;
	if (_game_mode != GM_EDITOR) return true;

	/* Check if at least one mountain on the map is higher than the new value.
	 * If yes, disallow the change. */
	for (TileIndex t = 0; t < MapSize(); t++) {
		if ((int32)TileHeight(t) > new_value) {
			ShowErrorMessage(STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN, INVALID_STRING_ID, WL_ERROR);
			/* Return old, unchanged value */
			return false;
		}
	}

	return true;
}

static void StationCatchmentChanged(int32 new_value)
{
	Station::RecomputeCatchmentForAll();
	MarkWholeScreenDirty();
}

static void MaxVehiclesChanged(int32 new_value)
{
	InvalidateWindowClassesData(WC_BUILD_TOOLBAR);
	MarkWholeScreenDirty();
}

static void InvalidateShipPathCache(int32 new_value)
{
	for (Ship *s : Ship::Iterate()) {
		s->path.clear();
	}
}

/**
 * Replace a passwords that are a literal asterisk with an empty string.
 * @param newval The new string value for this password field.
 * @return Always true.
 */
static bool ReplaceAsteriskWithEmptyPassword(std::string &newval)
{
	if (newval.compare("*") == 0) newval.clear();
	return true;
}

/** Update the game info, and send it to the clients when we are running as a server. */
static void UpdateClientConfigValues()
{
	NetworkServerUpdateGameInfo();
	if (_network_server) NetworkServerSendConfigUpdate();
}

/* End - Callback Functions */