1

/* $Id$ */

     2

     3

/** @file settings_gui.cpp */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "currency.h"

     8

#include "gui.h"

     9

#include "window_gui.h"

    10

#include "textbuf_gui.h"

    11

#include "command_func.h"

    12

#include "engine.h"

    13

#include "screenshot.h"

    14

#include "newgrf.h"

    15

#include "network/network.h"

    16

#include "town.h"

    17

#include "variables.h"

    18

#include "settings_internal.h"

    19

#include "newgrf_townname.h"

    20

#include "strings_func.h"

    21

#include "functions.h"

    22

#include "window_func.h"

    23

#include "vehicle_base.h"

    24

#include "core/alloc_func.hpp"

    25

#include "string_func.h"

    26

#include "gfx_func.h"

    27

#include "widgets/dropdown_type.h"

    28

#include "widgets/dropdown_func.h"

    29

    30

#include "table/sprites.h"

    31

#include "table/strings.h"

    32

    33

static uint32 _difficulty_click_a;

    34

static uint32 _difficulty_click_b;

    35

static byte _difficulty_timeout;

    36

    37

static const StringID _units_dropdown[] = {

    38

	STR_UNITS_IMPERIAL,

    39

	STR_UNITS_METRIC,

    40

	STR_UNITS_SI,

    41

	INVALID_STRING_ID

    42

};

    43

    44

static const StringID _driveside_dropdown[] = {

    45

	STR_02E9_DRIVE_ON_LEFT,

    46

	STR_02EA_DRIVE_ON_RIGHT,

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	INVALID_STRING_ID

    48

};

    49

    50

static const StringID _autosave_dropdown[] = {

    51

	STR_02F7_OFF,

    52

	STR_AUTOSAVE_1_MONTH,

    53

	STR_02F8_EVERY_3_MONTHS,

    54

	STR_02F9_EVERY_6_MONTHS,

    55

	STR_02FA_EVERY_12_MONTHS,

    56

	INVALID_STRING_ID,

    57

};

    58

    59

static const StringID _designnames_dropdown[] = {

    60

	STR_02BE_DEFAULT,

    61

	STR_02BF_CUSTOM,

    62

	INVALID_STRING_ID

    63

};

    64

    65

static StringID *BuildDynamicDropdown(StringID base, int num)

    66

{

    67

	static StringID buf[32 + 1];

    68

	StringID *p = buf;

    69

	while (--num>=0) *p++ = base++;

    70

	*p = INVALID_STRING_ID;

    71

	return buf;

    72

}

    73

    74

int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;

    75

static StringID *_grf_names = NULL;

    76

static int _nb_grf_names = 0;

    77

    79

{

    80

	free(_grf_names);

    81

	_grf_names = GetGRFTownNameList();

    82

	_nb_grf_names = 0;

    83

	for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;

    84

}

    85

    86

static inline StringID TownName(int town_name)

    87

{

    88

	if (town_name < _nb_orig_names) return STR_TOWNNAME_ORIGINAL_ENGLISH + town_name;

    89

	town_name -= _nb_orig_names;

    90

	if (town_name < _nb_grf_names) return _grf_names[town_name];

    91

	return STR_UNDEFINED;

    92

}

    93

    94

static int GetCurRes()

    95

{

    96

	int i;

    97

    98

	for (i = 0; i != _num_resolutions; i++) {

    99

		if (_resolutions[i][0] == _screen.width &&

   100

				_resolutions[i][1] == _screen.height) {

   101

			break;

   102

		}

   103

	}

   104

	return i;

   105

}

   106

   107

static inline bool RoadVehiclesAreBuilt()

   108

{

   109

	const Vehicle* v;

   110

   111

	FOR_ALL_VEHICLES(v) {

   112

		if (v->type == VEH_ROAD) return true;

   113

	}

   114

	return false;

   115

}

   116

   117

   118

enum GameOptionsWidgets {

   119

	GAMEOPT_CURRENCY_TXT    =  4,

   120

	GAMEOPT_CURRENCY_BTN,

   121

	GAMEOPT_DISTANCE_TXT    =  7,

   122

	GAMEOPT_DISTANCE_BTN,

   123

	GAMEOPT_ROADSIDE_TXT    = 10,

   124

	GAMEOPT_ROADSIDE_BTN,

   125

	GAMEOPT_TOWNNAME_TXT    = 13,

   126

	GAMEOPT_TOWNNAME_BTN,

   127

	GAMEOPT_AUTOSAVE_TXT    = 16,

   128

	GAMEOPT_AUTOSAVE_BTN,

   129

	GAMEOPT_VEHICLENAME_TXT = 19,

   130

	GAMEOPT_VEHICLENAME_BTN,

   131

	GAMEOPT_VEHICLENAME_SAVE,

   132

	GAMEOPT_LANG_TXT        = 23,

   133

	GAMEOPT_LANG_BTN,

   134

	GAMEOPT_RESOLUTION_TXT  = 26,

   135

	GAMEOPT_RESOLUTION_BTN,

   136

	GAMEOPT_FULLSCREEN,

   137

	GAMEOPT_SCREENSHOT_TXT  = 30,

   138

	GAMEOPT_SCREENSHOT_BTN,

   139

};

   140

   141

/**

   166

 * Update/redraw the languages dropdown

   167

 * @param w   the window the dropdown belongs to

   168

 */

   169

static void ShowLangDropdown(Window *w)

   170

{

   171

	typedef std::map<StringID, int, StringIDCompare> LangList;

   172

   173

	/* Sort language names */

   174

	LangList langs;

   175

	for (int i = 0; i < _dynlang.num; i++) langs[SPECSTR_LANGUAGE_START + i] = i;

   176

   177

	DropDownList *list = new DropDownList();

   178

	for (LangList::iterator it = langs.begin(); it != langs.end(); it++) {

   179

		list->push_back(new DropDownListStringItem((*it).first, (*it).second, false));

   180

	}

   181

   182

	ShowDropDownList(w, list, _dynlang.curr, GAMEOPT_LANG_BTN);

   183

}

   184

   185

static void ShowCustCurrency();

   186

   187

static void GameOptionsWndProc(Window *w, WindowEvent *e)

   188

{

   189

	switch (e->event) {

   190

		case WE_PAINT: {

   191

			int i;

   192

			StringID str = STR_02BE_DEFAULT;

   193

   194

			w->SetWidgetDisabledState(GAMEOPT_VEHICLENAME_SAVE, !(_vehicle_design_names & 1));

   195

			if (!w->IsWidgetDisabled(GAMEOPT_VEHICLENAME_SAVE)) str = STR_02BF_CUSTOM;

   196

			SetDParam(0, str);

   197

			SetDParam(1, _currency_specs[_opt_ptr->currency].name);

   198

			SetDParam(2, STR_UNITS_IMPERIAL + _opt_ptr->units);

   199

			SetDParam(3, STR_02E9_DRIVE_ON_LEFT + _opt_ptr->road_side);

   200

			SetDParam(4, TownName(_opt_ptr->town_name));

   201

			SetDParam(5, _autosave_dropdown[_opt_ptr->autosave]);

   202

			SetDParam(6, SPECSTR_LANGUAGE_START + _dynlang.curr);

   203

			i = GetCurRes();

   204

			SetDParam(7, i == _num_resolutions ? STR_RES_OTHER : SPECSTR_RESOLUTION_START + i);

   205

			SetDParam(8, SPECSTR_SCREENSHOT_START + _cur_screenshot_format);

   206

			w->SetWidgetLoweredState(GAMEOPT_FULLSCREEN, _fullscreen);

   207

   208

			DrawWindowWidgets(w);

   209

			DrawString(20, 175, STR_OPTIONS_FULLSCREEN, TC_FROMSTRING); // fullscreen

   210

		} break;

   211

   212

		case WE_CLICK:

   213

			switch (e->we.click.widget) {

   214

				case GAMEOPT_CURRENCY_TXT: case GAMEOPT_CURRENCY_BTN: /* Setup currencies dropdown */

   215

					ShowDropDownMenu(w, BuildCurrencyDropdown(), _opt_ptr->currency, GAMEOPT_CURRENCY_BTN, _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies(), 0);

   216

					break;

   217

   218

				case GAMEOPT_DISTANCE_TXT: case GAMEOPT_DISTANCE_BTN: /* Setup distance unit dropdown */

   219

					ShowDropDownMenu(w, _units_dropdown, _opt_ptr->units, GAMEOPT_DISTANCE_BTN, 0, 0);

   220

					break;

   221

   222

				case GAMEOPT_ROADSIDE_TXT: case GAMEOPT_ROADSIDE_BTN: { /* Setup road-side dropdown */

   223

					int i = 0;

   224

   225

					/* You can only change the drive side if you are in the menu or ingame with

   226

					 * no vehicles present. In a networking game only the server can change it */

   227

					if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server))

   228

						i = (-1) ^ (1 << _opt_ptr->road_side); // disable the other value

   229

   230

					ShowDropDownMenu(w, _driveside_dropdown, _opt_ptr->road_side, GAMEOPT_ROADSIDE_BTN, i, 0);

   231

				} break;

   232

   236

   237

				case GAMEOPT_AUTOSAVE_TXT: case GAMEOPT_AUTOSAVE_BTN: /* Setup autosave dropdown */

   238

					ShowDropDownMenu(w, _autosave_dropdown, _opt_ptr->autosave, GAMEOPT_AUTOSAVE_BTN, 0, 0);

   239

					break;

   240

   241

				case GAMEOPT_VEHICLENAME_TXT: case GAMEOPT_VEHICLENAME_BTN: /* Setup customized vehicle-names dropdown */

   242

					ShowDropDownMenu(w, _designnames_dropdown, (_vehicle_design_names & 1) ? 1 : 0, GAMEOPT_VEHICLENAME_BTN, (_vehicle_design_names & 2) ? 0 : 2, 0);

   243

					break;

   244

   245

				case GAMEOPT_VEHICLENAME_SAVE: /* Save customized vehicle-names to disk */

   246

					break;  // not implemented

   247

   248

				case GAMEOPT_LANG_TXT: case GAMEOPT_LANG_BTN: /* Setup interface language dropdown */

   249

					ShowLangDropdown(w);

   250

					break;

   251

   252

				case GAMEOPT_RESOLUTION_TXT: case GAMEOPT_RESOLUTION_BTN: /* Setup resolution dropdown */

   253

					ShowDropDownMenu(w, BuildDynamicDropdown(SPECSTR_RESOLUTION_START, _num_resolutions), GetCurRes(), GAMEOPT_RESOLUTION_BTN, 0, 0);

   254

					break;

   255

   256

				case GAMEOPT_FULLSCREEN: /* Click fullscreen on/off */

   257

					/* try to toggle full-screen on/off */

   258

					if (!ToggleFullScreen(!_fullscreen)) {

   259

						ShowErrorMessage(INVALID_STRING_ID, STR_FULLSCREEN_FAILED, 0, 0);

   260

					}

   261

					w->SetWidgetLoweredState(GAMEOPT_FULLSCREEN, _fullscreen);

   262

					SetWindowDirty(w);

   263

					break;

   264

   265

				case GAMEOPT_SCREENSHOT_TXT: case GAMEOPT_SCREENSHOT_BTN: /* Setup screenshot format dropdown */

   266

					ShowDropDownMenu(w, BuildDynamicDropdown(SPECSTR_SCREENSHOT_START, _num_screenshot_formats), _cur_screenshot_format, GAMEOPT_SCREENSHOT_BTN, 0, 0);

   267

					break;

   268

			}

   269

			break;

   270

   271

		case WE_DROPDOWN_SELECT:

   272

			switch (e->we.dropdown.button) {

   273

				case GAMEOPT_VEHICLENAME_BTN: /* Vehicle design names */

   274

					if (e->we.dropdown.index == 0) {

   275

						DeleteCustomEngineNames();

   276

						MarkWholeScreenDirty();

   277

					} else if (!(_vehicle_design_names & 1)) {

   278

						LoadCustomEngineNames();

   279

						MarkWholeScreenDirty();

   280

					}

   281

					break;

   282

   283

				case GAMEOPT_CURRENCY_BTN: /* Currency */

   284

					if (e->we.dropdown.index == CUSTOM_CURRENCY_ID) ShowCustCurrency();

   285

					_opt_ptr->currency = e->we.dropdown.index;

   286

					MarkWholeScreenDirty();

   287

					break;

   288

   289

				case GAMEOPT_DISTANCE_BTN: /* Measuring units */

   290

					_opt_ptr->units = e->we.dropdown.index;

   291

					MarkWholeScreenDirty();

   292

					break;

   293

   294

				case GAMEOPT_ROADSIDE_BTN: /* Road side */

   295

					if (_opt_ptr->road_side != e->we.dropdown.index) { // only change if setting changed

   296

						DoCommandP(0, e->we.dropdown.index, 0, NULL, CMD_SET_ROAD_DRIVE_SIDE | CMD_MSG(STR_00B4_CAN_T_DO_THIS));

   297

						MarkWholeScreenDirty();

   298

					}

   299

					break;

   300

   301

				case GAMEOPT_TOWNNAME_BTN: /* Town names */

   302

					if (_game_mode == GM_MENU) {

   304

						InvalidateWindow(WC_GAME_OPTIONS, 0);

   305

					}

   306

					break;

   307

   308

				case GAMEOPT_AUTOSAVE_BTN: /* Autosave options */

   309

					_opt.autosave = _opt_newgame.autosave = e->we.dropdown.index;

   310

					SetWindowDirty(w);

   311

					break;

   312

   313

				case GAMEOPT_LANG_BTN: /* Change interface language */

   314

					ReadLanguagePack(e->we.dropdown.index);

   315

					CheckForMissingGlyphsInLoadedLanguagePack();

   316

					UpdateAllStationVirtCoord();

   317

					MarkWholeScreenDirty();

   318

					break;

   319

   320

				case GAMEOPT_RESOLUTION_BTN: /* Change resolution */

   321

					if (e->we.dropdown.index < _num_resolutions && ChangeResInGame(_resolutions[e->we.dropdown.index][0],_resolutions[e->we.dropdown.index][1]))

   322

						SetWindowDirty(w);

   323

					break;

   324

   325

				case GAMEOPT_SCREENSHOT_BTN: /* Change screenshot format */

   326

					SetScreenshotFormat(e->we.dropdown.index);

   327

					SetWindowDirty(w);

   328

					break;

   329

			}

   330

			break;

   331

   332

		case WE_DESTROY:

   333

			DeleteWindowById(WC_CUSTOM_CURRENCY, 0);

   334

			break;

   335

	}

   336

   337

}

   338

   339

/** Change the side of the road vehicles drive on (server only).

   340

 * @param tile unused

   341

 * @param flags operation to perform

   342

 * @param p1 the side of the road; 0 = left side and 1 = right side

   343

 * @param p2 unused

   344

 */

   345

CommandCost CmdSetRoadDriveSide(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

   346

{

   347

	/* Check boundaries and you can only change this if NO vehicles have been built yet,

   348

	 * except in the intro-menu where of course it's always possible to do so. */

   349

	if (p1 > 1 || (_game_mode != GM_MENU && RoadVehiclesAreBuilt())) return CMD_ERROR;

   350

   351

	if (flags & DC_EXEC) {

   352

		_opt_ptr->road_side = p1;

   353

		InvalidateWindow(WC_GAME_OPTIONS,0);

   354

	}

   355

	return CommandCost();

   356

}

   357

   358

static const Widget _game_options_widgets[] = {

   359

{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                          STR_018B_CLOSE_WINDOW},

   360

{    WWT_CAPTION,   RESIZE_NONE,    14,    11,   369,     0,    13, STR_00B1_GAME_OPTIONS,             STR_018C_WINDOW_TITLE_DRAG_THIS},

   361

{      WWT_PANEL,   RESIZE_NONE,    14,     0,   369,    14,   238, 0x0,                               STR_NULL},

   362

{      WWT_FRAME,   RESIZE_NONE,    14,    10,   179,    20,    55, STR_02E0_CURRENCY_UNITS,           STR_NULL},

   363

{      WWT_INSET,   RESIZE_NONE,    14,    20,   169,    34,    45, STR_02E1,                          STR_02E2_CURRENCY_UNITS_SELECTION},

   364

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   158,   168,    35,    44, STR_0225,                          STR_02E2_CURRENCY_UNITS_SELECTION},

   365

{      WWT_FRAME,   RESIZE_NONE,    14,   190,   359,    20,    55, STR_MEASURING_UNITS,               STR_NULL},

   366

{      WWT_INSET,   RESIZE_NONE,    14,   200,   349,    34,    45, STR_02E4,                          STR_MEASURING_UNITS_SELECTION},

   367

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   338,   348,    35,    44, STR_0225,                          STR_MEASURING_UNITS_SELECTION},

   368

{      WWT_FRAME,   RESIZE_NONE,    14,    10,   179,    62,    97, STR_02E6_ROAD_VEHICLES,            STR_NULL},

   369

{      WWT_INSET,   RESIZE_NONE,    14,    20,   169,    76,    87, STR_02E7,                          STR_02E8_SELECT_SIDE_OF_ROAD_FOR},

   370

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   158,   168,    77,    86, STR_0225,                          STR_02E8_SELECT_SIDE_OF_ROAD_FOR},

   371

{      WWT_FRAME,   RESIZE_NONE,    14,   190,   359,    62,    97, STR_02EB_TOWN_NAMES,               STR_NULL},

   372

{      WWT_INSET,   RESIZE_NONE,    14,   200,   349,    76,    87, STR_02EC,                          STR_02ED_SELECT_STYLE_OF_TOWN_NAMES},

   373

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   338,   348,    77,    86, STR_0225,                          STR_02ED_SELECT_STYLE_OF_TOWN_NAMES},

   374

{      WWT_FRAME,   RESIZE_NONE,    14,    10,   179,   104,   139, STR_02F4_AUTOSAVE,                 STR_NULL},

   375

{      WWT_INSET,   RESIZE_NONE,    14,    20,   169,   118,   129, STR_02F5,                          STR_02F6_SELECT_INTERVAL_BETWEEN},

   376

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   158,   168,   119,   128, STR_0225,                          STR_02F6_SELECT_INTERVAL_BETWEEN},

   377

   378

{      WWT_FRAME,   RESIZE_NONE,    14,    10,   359,   194,   228, STR_02BC_VEHICLE_DESIGN_NAMES,     STR_NULL},

   379

{      WWT_INSET,   RESIZE_NONE,    14,    20,   119,   207,   218, STR_02BD,                          STR_02C1_VEHICLE_DESIGN_NAMES_SELECTION},

   380

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   108,   118,   208,   217, STR_0225,                          STR_02C1_VEHICLE_DESIGN_NAMES_SELECTION},

   381

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   130,   349,   207,   218, STR_02C0_SAVE_CUSTOM_NAMES,        STR_02C2_SAVE_CUSTOMIZED_VEHICLE},

   382

   383

{      WWT_FRAME,   RESIZE_NONE,    14,   190,   359,   104,   139, STR_OPTIONS_LANG,                  STR_NULL},

   384

{      WWT_INSET,   RESIZE_NONE,    14,   200,   349,   118,   129, STR_OPTIONS_LANG_CBO,              STR_OPTIONS_LANG_TIP},

   385

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   338,   348,   119,   128, STR_0225,                          STR_OPTIONS_LANG_TIP},

   386

   387

{      WWT_FRAME,   RESIZE_NONE,    14,    10,   179,   146,   190, STR_OPTIONS_RES,                   STR_NULL},

   388

{      WWT_INSET,   RESIZE_NONE,    14,    20,   169,   160,   171, STR_OPTIONS_RES_CBO,               STR_OPTIONS_RES_TIP},

   389

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   158,   168,   161,   170, STR_0225,                          STR_OPTIONS_RES_TIP},

   390

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   149,   169,   176,   184, STR_EMPTY,                         STR_OPTIONS_FULLSCREEN_TIP},

   391

   392

{      WWT_FRAME,   RESIZE_NONE,    14,   190,   359,   146,   190, STR_OPTIONS_SCREENSHOT_FORMAT,     STR_NULL},

   393

{      WWT_INSET,   RESIZE_NONE,    14,   200,   349,   160,   171, STR_OPTIONS_SCREENSHOT_FORMAT_CBO, STR_OPTIONS_SCREENSHOT_FORMAT_TIP},

   394

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   338,   348,   161,   170, STR_0225,                          STR_OPTIONS_SCREENSHOT_FORMAT_TIP},

   395

   396

{   WIDGETS_END},

   397

};

   398

   399

static const WindowDesc _game_options_desc = {

   400

	WDP_CENTER, WDP_CENTER, 370, 239, 370, 239,

   401

	WC_GAME_OPTIONS, WC_NONE,

   402

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   403

	_game_options_widgets,

   404

	GameOptionsWndProc

   405

};

   406

   407

   408

void ShowGameOptions()

   409

{

   410

	DeleteWindowById(WC_GAME_OPTIONS, 0);

   411

	AllocateWindowDesc(&_game_options_desc);

   412

}

   413

   414

struct GameSettingData {

   415

	int16 min;

   416

	int16 max;

   417

	int16 step;

   418

	StringID str;

   419

};

   420

   421

static const GameSettingData _game_setting_info[] = {

   422

	{  0,   7,  1, STR_NULL},

   423

	{  0,   3,  1, STR_6830_IMMEDIATE},

   424

	{  0,   3,  1, STR_NUM_VERY_LOW},

   425

	{  0,   4,  1, STR_26816_NONE},

   426

	{100, 500, 50, STR_NULL},

   427

	{  2,   4,  1, STR_NULL},

   428

	{  0,   2,  1, STR_6820_LOW},

   429

	{  0,   4,  1, STR_681B_VERY_SLOW},

   430

	{  0,   2,  1, STR_6820_LOW},

   431

	{  0,   2,  1, STR_6823_NONE},

   432

	{  0,   3,  1, STR_6826_X1_5},

   433

	{  0,   2,  1, STR_6820_LOW},

   434

	{  0,   3,  1, STR_682A_VERY_FLAT},

   435

	{  0,   3,  1, STR_VERY_LOW},

   436

	{  0,   1,  1, STR_682E_STEADY},

   437

	{  0,   1,  1, STR_6834_AT_END_OF_LINE_AND_AT_STATIONS},

   438

	{  0,   1,  1, STR_6836_OFF},

   439

	{  0,   2,  1, STR_6839_PERMISSIVE},

   440

};

   441

   442

/*

   443

 * A: competitors

   444

 * B: start time in months / 3

   445

 * C: town count (2 = high, 0 = very low)

   446

 * D: industry count (4 = high, 0 = none)

   447

 * E: inital loan / 1000 (in GBP)

   448

 * F: interest rate

   449

 * G: running costs (0 = low, 2 = high)

   450

 * H: construction speed of competitors (0 = very slow, 4 = very fast)

   451

 * I: intelligence (0-2)

   452

 * J: breakdowns (0 = off, 2 = normal)

   453

 * K: subsidy multiplier (0 = 1.5, 3 = 4.0)

   454

 * L: construction cost (0-2)

   455

 * M: terrain type (0 = very flat, 3 = mountainous)

   456

 * N: amount of water (0 = very low, 3 = high)

   457

 * O: economy (0 = steady, 1 = fluctuating)

   458

 * P: Train reversing (0 = end of line + stations, 1 = end of line)

   459

 * Q: disasters

   460

 * R: area restructuring (0 = permissive, 2 = hostile)

   461

 */

   462

static const GDType _default_game_diff[3][GAME_DIFFICULTY_NUM] = { /*

   463

	 A, B, C, D,   E, F, G, H, I, J, K, L, M, N, O, P, Q, R*/

   464

	{2, 2, 1, 4, 300, 2, 0, 2, 0, 1, 2, 0, 1, 0, 0, 0, 0, 0}, ///< easy

   465

	{4, 1, 1, 3, 150, 3, 1, 3, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1}, ///< medium

   466

	{7, 0, 0, 2, 100, 4, 1, 3, 2, 2, 0, 2, 3, 2, 1, 1, 1, 2}, ///< hard

   467

};

   468

   469

void SetDifficultyLevel(int mode, GameOptions *gm_opt)

   470

{

   471

	int i;

   472

	assert(mode <= 3);

   473

   474

	gm_opt->diff_level = mode;

   475

	if (mode != 3) { // not custom

   476

		for (i = 0; i != GAME_DIFFICULTY_NUM; i++)

   477

			((GDType*)&gm_opt->diff)[i] = _default_game_diff[mode][i];

   478

	}

   479

}

   480

   481

/**

   482

 * Checks the difficulty levels read from the configuration and

   483

 * forces them to be correct when invalid.

   484

 */

   485

void CheckDifficultyLevels()

   486

{

   487

	if (_opt_newgame.diff_level != 3) {

   488

		SetDifficultyLevel(_opt_newgame.diff_level, &_opt_newgame);

   489

	} else {

   490

		for (uint i = 0; i < GAME_DIFFICULTY_NUM; i++) {

   491

			GDType *diff = ((GDType*)&_opt_newgame.diff) + i;

   492

			*diff = Clamp(*diff, _game_setting_info[i].min, _game_setting_info[i].max);