1

/* $Id$ */

     2

     3

/** @file settings_gui.cpp */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "currency.h"

     8

#include "functions.h"

     9

#include "string.h"

    10

#include "strings.h" // XXX GetCurrentCurrencyRate()

    11

#include "table/sprites.h"

    12

#include "table/strings.h"

    13

#include "gui.h"

    16

#include "gfx.h"

    17

#include "command.h"

    18

#include "engine.h"

    19

#include "screenshot.h"

    20

#include "newgrf.h"

    21

#include "network/network.h"

    22

#include "town.h"

    23

#include "variables.h"

    24

#include "settings.h"

    25

#include "vehicle.h"

    26

#include "date.h"

    27

#include "helpers.hpp"

    28

#include "newgrf_townname.h"

    29

    30

static uint32 _difficulty_click_a;

    31

static uint32 _difficulty_click_b;

    32

static byte _difficulty_timeout;

    33

    34

static const StringID _units_dropdown[] = {

    35

	STR_UNITS_IMPERIAL,

    36

	STR_UNITS_METRIC,

    37

	STR_UNITS_SI,

    38

	INVALID_STRING_ID

    39

};

    40

    41

static const StringID _driveside_dropdown[] = {

    42

	STR_02E9_DRIVE_ON_LEFT,

    43

	STR_02EA_DRIVE_ON_RIGHT,

    44

	INVALID_STRING_ID

    45

};

    46

    47

static const StringID _autosave_dropdown[] = {

    48

	STR_02F7_OFF,

    49

	STR_AUTOSAVE_1_MONTH,

    50

	STR_02F8_EVERY_3_MONTHS,

    51

	STR_02F9_EVERY_6_MONTHS,

    52

	STR_02FA_EVERY_12_MONTHS,

    53

	INVALID_STRING_ID,

    54

};

    55

    56

static const StringID _designnames_dropdown[] = {

    57

	STR_02BE_DEFAULT,

    58

	STR_02BF_CUSTOM,

    59

	INVALID_STRING_ID

    60

};

    61

    62

static StringID *BuildDynamicDropdown(StringID base, int num)

    63

{

    64

	static StringID buf[32 + 1];

    65

	StringID *p = buf;

    66

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

    67

	*p = INVALID_STRING_ID;

    68

	return buf;

    69

}

    70

    71

int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;

    72

static StringID *_town_names = NULL;

    73

static StringID *_grf_names = NULL;

    74

static int _nb_grf_names = 0;

    75

    76

void SortTownGeneratorNames()

    77

{

    78

	int n = 0;

    79

    80

	/* Get Newgrf generators' names */

    81

	free(_grf_names);

    82

	_grf_names = GetGRFTownNameList();

    83

	_nb_grf_names = 0;

    84

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

    85

    86

	/* Prepare the list */

    87

	free(_town_names);

    88

	_town_names = MallocT<StringID>(_nb_orig_names + _nb_grf_names + 1);

    89

    90

	/* Put the original strings */

    91

	for (int i = 0; i < _nb_orig_names; i++) _town_names[n++] = STR_TOWNNAME_ORIGINAL_ENGLISH + i;

    92

    93

	/* Put the grf strings */

    94

	for (int i = 0; i < _nb_grf_names; i++) _town_names[n++] = _grf_names[i];

    95

    96

	/* Put the terminator */

    97

	_town_names[n] = INVALID_STRING_ID;

    98

    99

	/* Sort the strings */

   100

	qsort(&_town_names[0], _nb_orig_names + _nb_grf_names, sizeof(StringID), &StringIDSorter);

   101

}

   102

   103

static inline StringID TownName(int town_name)

   104

{

   105

	if (town_name < _nb_orig_names) return STR_TOWNNAME_ORIGINAL_ENGLISH + town_name;

   106

	town_name -= _nb_orig_names;

   107

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

   108

	return STR_UNDEFINED;

   109

}

   110

   111

static int GetCurRes()

   112

{

   113

	int i;

   114

   115

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

   116

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

   117

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

   118

			break;

   119

		}

   120

	}

   121

	return i;

   122

}

   123

   124

static inline bool RoadVehiclesAreBuilt()

   125

{

   126

	const Vehicle* v;

   127

   128

	FOR_ALL_VEHICLES(v) {

   129

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

   130

	}

   131

	return false;

   132

}

   133

   134

   135

static void ShowCustCurrency();

   136

   137

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

   138

{

   139

	switch (e->event) {

   140

	case WE_PAINT: {

   141

		int i;

   142

		StringID str = STR_02BE_DEFAULT;

   143

   144

		w->SetWidgetDisabledState(21, !(_vehicle_design_names & 1));

   145

		if (!w->IsWidgetDisabled(21)) str = STR_02BF_CUSTOM;

   146

		SetDParam(0, str);

   147

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

   148

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

   149

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

   150

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

   151

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

   152

		SetDParam(6, SPECSTR_LANGUAGE_START + _dynlang.curr);

   153

		i = GetCurRes();

   154

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

   155

		SetDParam(8, SPECSTR_SCREENSHOT_START + _cur_screenshot_format);

   156

		w->SetWidgetLoweredState(28, _fullscreen);

   157

   158

		DrawWindowWidgets(w);

   159

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

   160

	} break;

   161

   162

	case WE_CLICK:

   163

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

   164

		case 4: case 5: /* Setup currencies dropdown */

   165

			ShowDropDownMenu(w, BuildCurrencyDropdown(), _opt_ptr->currency, 5, _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies(), 0);;

   166

			return;

   167

		case 7: case 8: /* Setup distance unit dropdown */

   168

			ShowDropDownMenu(w, _units_dropdown, _opt_ptr->units, 8, 0, 0);

   169

			return;

   170

		case 10: case 11: { /* Setup road-side dropdown */

   171

			int i = 0;

   172

   173

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

   174

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

   175

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

   176

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

   177

   178

			ShowDropDownMenu(w, _driveside_dropdown, _opt_ptr->road_side, 11, i, 0);

   179

		} return;

   180

		case 13: case 14: { /* Setup townname dropdown */

   181

			uint sel = 0;

   182

			for (uint i = 0; _town_names[i] != INVALID_STRING_ID; i++) {

   183

				if (_town_names[i] == TownName(_opt_ptr->town_name)) {

   184

					sel = i;

   185

					break;

   186

				}

   187

			}

   188

			ShowDropDownMenu(w, _town_names, sel, 14, (_game_mode == GM_MENU) ? 0 : (-1) ^ (1 << sel), 0);

   189

			return;

   190

		}

   191

		case 16: case 17: /* Setup autosave dropdown */

   192

			ShowDropDownMenu(w, _autosave_dropdown, _opt_ptr->autosave, 17, 0, 0);

   193

			return;

   194

		case 19: case 20: /* Setup customized vehicle-names dropdown */

   195

			ShowDropDownMenu(w, _designnames_dropdown, (_vehicle_design_names & 1) ? 1 : 0, 20, (_vehicle_design_names & 2) ? 0 : 2, 0);

   196

			return;

   197

		case 21: /* Save customized vehicle-names to disk */

   198

			return;

   199

		case 23: case 24: /* Setup interface language dropdown */

   200

			ShowDropDownMenu(w, _dynlang.dropdown, _dynlang.curr, 24, 0, 0);

   201

			return;

   202

		case 26: case 27: /* Setup resolution dropdown */

   203

			ShowDropDownMenu(w, BuildDynamicDropdown(SPECSTR_RESOLUTION_START, _num_resolutions), GetCurRes(), 27, 0, 0);

   204

			return;

   205

		case 28: /* Click fullscreen on/off */

   206

			w->SetWidgetLoweredState(28, !_fullscreen);

   207

			ToggleFullScreen(!_fullscreen); // toggle full-screen on/off

   208

			SetWindowDirty(w);

   209

			return;

   210

		case 30: case 31: /* Setup screenshot format dropdown */

   211

			ShowDropDownMenu(w, BuildDynamicDropdown(SPECSTR_SCREENSHOT_START, _num_screenshot_formats), _cur_screenshot_format, 31, 0, 0);

   212

			return;

   213

		}

   214

		break;

   215

   216

	case WE_DROPDOWN_SELECT:

   217

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

   218

		case 20: /* Vehicle design names */

   219

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

   220

				DeleteCustomEngineNames();

   221

				MarkWholeScreenDirty();

   222

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

   223

				LoadCustomEngineNames();

   224

				MarkWholeScreenDirty();

   225

			}

   226

			break;

   227

		case 5: /* Currency */

   228

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

   229

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

   230

			MarkWholeScreenDirty();

   231

			break;

   232

		case 8: /* Measuring units */

   233

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

   234

			MarkWholeScreenDirty();

   235

			break;

   236

		case 11: /* Road side */

   237

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

   238

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

   239

				MarkWholeScreenDirty();

   240

			}

   241

			break;

   242

		case 14: /* Town names */

   243

			if (_game_mode == GM_MENU) {

   244

				for (uint i = 0; _town_names[i] != INVALID_STRING_ID; i++) {

   245

					if (_town_names[e->we.dropdown.index] == TownName(i)) {

   246

						_opt_ptr->town_name = i;

   247

						break;

   248

					}

   249

				}

   250

				InvalidateWindow(WC_GAME_OPTIONS, 0);

   251

			}

   252

			break;

   253

		case 17: /* Autosave options */

   254

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

   255

			SetWindowDirty(w);

   256

			break;

   257

		case 24: /* Change interface language */

   258

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

   259

			CheckForMissingGlyphsInLoadedLanguagePack();

   260

			UpdateAllStationVirtCoord();

   261

			MarkWholeScreenDirty();

   262

			break;

   263

		case 27: /* Change resolution */

   264

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

   265

				SetWindowDirty(w);

   266

			break;

   267

		case 31: /* Change screenshot format */

   268

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

   269

			SetWindowDirty(w);

   270

			break;

   271

		}

   272

		break;

   273

   274

	case WE_DESTROY:

   275

		DeleteWindowById(WC_CUSTOM_CURRENCY, 0);

   276

		break;

   277

	}

   278

   279

}

   280

   281

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

   282

 * @param tile unused

   283

 * @param flags operation to perform

   284

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

   285

 * @param p2 unused

   286

 */

   287

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

   288

{

   289

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

   290

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

   291

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

   292

   293

	if (flags & DC_EXEC) {

   294

		_opt_ptr->road_side = p1;

   295

		InvalidateWindow(WC_GAME_OPTIONS,0);

   296

	}

   297

	return CommandCost();

   298

}

   299

   300

static const Widget _game_options_widgets[] = {

   301

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

   302

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

   303

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

   304

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

   305

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

   306

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

   307

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

   308

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

   309

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

   310

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

   311

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

   312

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

   313

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

   314

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

   315

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

   316

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

   317

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

   318

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

   319

   320

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

   321

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

   322

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

   323

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

   324

   325

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

   326

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

   327

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

   328

   329

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

   330

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

   331

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

   332

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

   333

   334

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

   335

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

   336

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

   337

   338

{   WIDGETS_END},

   339

};

   340

   341

static const WindowDesc _game_options_desc = {

   342

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

   343

	WC_GAME_OPTIONS, WC_NONE,

   344

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   345

	_game_options_widgets,

   346

	GameOptionsWndProc

   347

};

   348

   349

   350

void ShowGameOptions()

   351

{

   352

	DeleteWindowById(WC_GAME_OPTIONS, 0);

   353

	AllocateWindowDesc(&_game_options_desc);

   354

}

   355

   356

struct GameSettingData {

   357

	int16 min;

   358

	int16 max;

   359

	int16 step;

   360

	StringID str;

   361

};

   362

   363

static const GameSettingData _game_setting_info[] = {

   364

	{  0,   7,  1, STR_NULL},

   365

	{  0,   3,  1, STR_6830_IMMEDIATE},

   366

	{  0,   3,  1, STR_NUM_VERY_LOW},

   367

	{  0,   4,  1, STR_26816_NONE},

   368

	{100, 500, 50, STR_NULL},

   369

	{  2,   4,  1, STR_NULL},

   370

	{  0,   2,  1, STR_6820_LOW},

   371

	{  0,   4,  1, STR_681B_VERY_SLOW},

   372

	{  0,   2,  1, STR_6820_LOW},

   373

	{  0,   2,  1, STR_6823_NONE},

   374

	{  0,   3,  1, STR_6826_X1_5},

   375

	{  0,   2,  1, STR_6820_LOW},

   376

	{  0,   3,  1, STR_682A_VERY_FLAT},

   377

	{  0,   3,  1, STR_VERY_LOW},

   378

	{  0,   1,  1, STR_682E_STEADY},

   379

	{  0,   1,  1, STR_6834_AT_END_OF_LINE_AND_AT_STATIONS},

   380

	{  0,   1,  1, STR_6836_OFF},

   381

	{  0,   2,  1, STR_6839_PERMISSIVE},

   382

};

   383

   384

/*

   385

 * A: competitors

   386

 * B: start time in months / 3

   387

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

   388

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

   389

 * E: inital loan / 1000 (in GBP)

   390

 * F: interest rate

   391

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

   392

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

   393

 * I: intelligence (0-2)

   394

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

   395

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

   396

 * L: construction cost (0-2)

   397

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

   398

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

   399

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

   400

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

   401

 * Q: disasters

   402

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

   403

 */

   404

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

   405

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

   406

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

   407

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

   408

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

   409

};

   410

   411

void SetDifficultyLevel(int mode, GameOptions *gm_opt)

   412

{

   413

	int i;

   414

	assert(mode <= 3);

   415

   416

	gm_opt->diff_level = mode;

   417

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

   418

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

   419

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

   420

	}

   421

}

   422

   423

/**

   424

 * Checks the difficulty levels read from the configuration and

   425

 * forces them to be correct when invalid.

   426

 */

   427

void CheckDifficultyLevels()

   428

{

   429

	if (_opt_newgame.diff_level != 3) {

   430

		SetDifficultyLevel(_opt_newgame.diff_level, &_opt_newgame);

   431

	} else {

   432

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

   433

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

   434

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

   435

			*diff -= *diff % _game_setting_info[i].step;

   436

		}

   437

	}

   438

}

   439

   440

extern void StartupEconomy();

   441

   442

enum {

   443

	GAMEDIFF_WND_TOP_OFFSET = 45,

   444

	GAMEDIFF_WND_ROWSIZE    = 9

   445

};

   446

   447

/* Temporary holding place of values in the difficulty window until 'Save' is clicked */

   448

static GameOptions _opt_mod_temp;

   449

// 0x383E = (1 << 13) | (1 << 12) | (1 << 11) | (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2) | (1 << 1)

   450

#define DIFF_INGAME_DISABLED_BUTTONS 0x383E

   451

   452

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

   453

{

   454

	switch (e->event) {

   455

	case WE_CREATE: // Setup disabled buttons when creating window

   456

		/* disable all other difficulty buttons during gameplay except for 'custom' */

   457

		w->SetWidgetDisabledState( 3, _game_mode == GM_NORMAL);

   458

		w->SetWidgetDisabledState( 4, _game_mode == GM_NORMAL);

   459

		w->SetWidgetDisabledState( 5, _game_mode == GM_NORMAL);

   460

		w->SetWidgetDisabledState( 6, _game_mode == GM_NORMAL);

   461

		w->SetWidgetDisabledState( 7, _game_mode == GM_EDITOR || _networking); // highscore chart in multiplayer

   462

		w->SetWidgetDisabledState(10, _networking && !_network_server); // Save-button in multiplayer (and if client)

   463

		w->LowerWidget(_opt_mod_temp.diff_level + 3);

   464

   465

		break;

   466

	case WE_PAINT: {

   467

		uint32 click_a, click_b, disabled;

   468

		int i;

   469

		int y, value;

   470

   471

		DrawWindowWidgets(w);

   472

   473

		click_a = _difficulty_click_a;

   474

		click_b = _difficulty_click_b;

   475

   476

		/* XXX - Disabled buttons in normal gameplay. Bitshifted for each button to see if

   477

		 * that bit is set. If it is set, the button is disabled */

   478

		disabled = (_game_mode == GM_NORMAL) ? DIFF_INGAME_DISABLED_BUTTONS : 0;

   479

   480

		y = GAMEDIFF_WND_TOP_OFFSET;

   481

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

   482

			DrawFrameRect( 5, y,  5 + 8, y + 8, 3, HasBit(click_a, i) ? FR_LOWERED : FR_NONE);

   483

			DrawFrameRect(15, y, 15 + 8, y + 8, 3, HasBit(click_b, i) ? FR_LOWERED : FR_NONE);

   484

			if (HasBit(disabled, i) || (_networking && !_network_server)) {

   485

				int color = (1 << PALETTE_MODIFIER_GREYOUT) | _colour_gradient[COLOUR_YELLOW][2];

   486

				GfxFillRect( 6, y + 1,  6 + 8, y + 8, color);

   487

				GfxFillRect(16, y + 1, 16 + 8, y + 8, color);

   488

			}

   489

   490

			DrawStringCentered(10, y, STR_6819, TC_FROMSTRING);

   491

			DrawStringCentered(20, y, STR_681A, TC_FROMSTRING);