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 "window.h"

    14

#include "gui.h"

    15

#include "gfx.h"

    16

#include "command.h"

    17

#include "engine.h"

    18

#include "screenshot.h"

    19

#include "newgrf.h"

    20

#include "network/network.h"

    21

#include "town.h"

    22

#include "variables.h"

    23

#include "settings.h"

    24

#include "vehicle.h"

    25

#include "date.h"

    26

#include "helpers.hpp"

    27

#include "newgrf_townname.h"

    28

    29

static uint32 _difficulty_click_a;

    30

static uint32 _difficulty_click_b;

    31

static byte _difficulty_timeout;

    32

    33

static const StringID _units_dropdown[] = {

    34

	STR_UNITS_IMPERIAL,

    35

	STR_UNITS_METRIC,

    36

	STR_UNITS_SI,

    37

	INVALID_STRING_ID

    38

};

    39

    40

static const StringID _driveside_dropdown[] = {

    41

	STR_02E9_DRIVE_ON_LEFT,

    42

	STR_02EA_DRIVE_ON_RIGHT,

    43

	INVALID_STRING_ID

    44

};

    45

    46

static const StringID _autosave_dropdown[] = {

    47

	STR_02F7_OFF,

    48

	STR_AUTOSAVE_1_MONTH,

    49

	STR_02F8_EVERY_3_MONTHS,

    50

	STR_02F9_EVERY_6_MONTHS,

    51

	STR_02FA_EVERY_12_MONTHS,

    52

	INVALID_STRING_ID,

    53

};

    54

    55

static const StringID _designnames_dropdown[] = {

    56

	STR_02BE_DEFAULT,

    57

	STR_02BF_CUSTOM,

    58

	INVALID_STRING_ID

    59

};

    60

    61

static StringID *BuildDynamicDropdown(StringID base, int num)

    62

{

    63

	static StringID buf[32 + 1];

    64

	StringID *p = buf;

    65

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

    66

	*p = INVALID_STRING_ID;

    67

	return buf;

    68

}

    69

    70

int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;

    71

static StringID *_town_names = NULL;

    72

static StringID *_grf_names = NULL;

    73

static int _nb_grf_names = 0;

    74

    75

void SortTownGeneratorNames()

    76

{

    77

	int n = 0;

    78

    79

	/* Get Newgrf generators' names */

    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

	/* Prepare the list */

    86

	free(_town_names);

    87

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

    88

    89

	/* Put the original strings */

    90

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

    91

    92

	/* Put the grf strings */

    93

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

    94

    95

	/* Put the terminator */

    96

	_town_names[n] = INVALID_STRING_ID;

    97

    98

	/* Sort the strings */

    99

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

   100

}

   101

   102

static inline StringID TownName(int town_name)

   103

{

   104

	if (town_name < _nb_orig_names) return STR_TOWNNAME_ORIGINAL_ENGLISH + town_name;

   105

	town_name -= _nb_orig_names;

   106

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

   107

	return STR_UNDEFINED;

   108

}

   109

   110

static int GetCurRes()

   111

{

   112

	int i;

   113

   114

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

   115

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

   116

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

   117

			break;

   118

		}

   119

	}

   120

	return i;

   121

}

   122

   123

static inline bool RoadVehiclesAreBuilt()

   124

{

   125

	const Vehicle* v;

   126

   127

	FOR_ALL_VEHICLES(v) {

   128

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

   129

	}

   130

	return false;

   131

}

   132

   133

   134

static void ShowCustCurrency();

   135

   136

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

   137

{

   138

	switch (e->event) {

   139

	case WE_PAINT: {

   140

		int i;

   141

		StringID str = STR_02BE_DEFAULT;

   142

   143

		SetWindowWidgetDisabledState(w, 21, !(_vehicle_design_names & 1));

   144

		if (!IsWindowWidgetDisabled(w, 21)) str = STR_02BF_CUSTOM;

   145

		SetDParam(0, str);

   146

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

   147

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

   148

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

   149

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

   150

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

   151

		SetDParam(6, SPECSTR_LANGUAGE_START + _dynlang.curr);

   152

		i = GetCurRes();

   153

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

   154

		SetDParam(8, SPECSTR_SCREENSHOT_START + _cur_screenshot_format);

   155

		SetWindowWidgetLoweredState(w, 28, _fullscreen);

   156

   157

		DrawWindowWidgets(w);

   158

		DrawString(20, 175, STR_OPTIONS_FULLSCREEN, 0); // fullscreen

   159

	} break;

   160

   161

	case WE_CLICK:

   162

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

   163

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

   164

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

   165

			return;

   166

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

   167

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

   168

			return;

   169

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

   170

			int i = 0;

   171

   172

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

   173

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

   174

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

   175

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

   176

   177

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

   178

		} return;

   179

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

   180

			uint sel = 0;

   181

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

   182

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

   183

					sel = i;

   184

					break;

   185

				}

   186

			}

   187

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

   188

			return;

   189

		}

   190

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

   191

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

   192

			return;

   193

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

   194

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

   195

			return;

   196

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

   197

			return;

   198

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

   199

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

   200

			return;

   201

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

   202

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

   203

			return;

   204

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

   205

			SetWindowWidgetLoweredState(w, 28, !_fullscreen);

   206

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

   207

			SetWindowDirty(w);

   208

			return;

   209

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

   210

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

   211

			return;

   212

		}

   213

		break;

   214

   215

	case WE_DROPDOWN_SELECT:

   216

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

   217

		case 20: /* Vehicle design names */

   218

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

   219

				DeleteCustomEngineNames();

   220

				MarkWholeScreenDirty();

   221

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

   222

				LoadCustomEngineNames();

   223

				MarkWholeScreenDirty();

   224

			}

   225

			break;

   226

		case 5: /* Currency */

   227

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

   228

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

   229

			MarkWholeScreenDirty();

   230

			break;

   231

		case 8: /* Measuring units */

   232

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

   233

			MarkWholeScreenDirty();

   234

			break;

   235

		case 11: /* Road side */

   236

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

   237

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

   238

				MarkWholeScreenDirty();

   239

			}

   240

			break;

   241

		case 14: /* Town names */

   242

			if (_game_mode == GM_MENU) {

   243

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

   244

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

   245

						_opt_ptr->town_name = i;

   246

						break;

   247

					}

   248

				}

   249

				InvalidateWindow(WC_GAME_OPTIONS, 0);

   250

			}

   251

			break;

   252

		case 17: /* Autosave options */

   253

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

   254

			SetWindowDirty(w);

   255

			break;

   256

		case 24: /* Change interface language */

   257

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

   258

			UpdateAllStationVirtCoord();

   259

			MarkWholeScreenDirty();

   260

			break;

   261

		case 27: /* Change resolution */

   262

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

   263

				SetWindowDirty(w);

   264

			break;

   265

		case 31: /* Change screenshot format */

   266

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

   267

			SetWindowDirty(w);

   268

			break;

   269

		}

   270

		break;

   271

   272

	case WE_DESTROY:

   273

		DeleteWindowById(WC_CUSTOM_CURRENCY, 0);

   274

		break;

   275

	}

   276

   277

}

   278

   279

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

   280

 * @param tile unused

   281

 * @param flags operation to perform

   282

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

   283

 * @param p2 unused

   284

 */

   285

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

   286

{

   287

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

   288

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

   289

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

   290

   291

	if (flags & DC_EXEC) {

   292

		_opt_ptr->road_side = p1;

   293

		InvalidateWindow(WC_GAME_OPTIONS,0);

   294

	}

   295

	return CommandCost();

   296

}

   297

   298

static const Widget _game_options_widgets[] = {

   299

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

   300

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

   301

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

   302

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

   303

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

   304

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

   305

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

   306

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

   307

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

   308

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

   309

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

   310

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

   311

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

   312

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

   313

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

   314

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

   315

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

   316

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

   317

   318

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

   319

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

   320

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

   321

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

   322

   323

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

   324

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

   325

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

   326

   327

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

   328

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

   329

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

   330

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

   331

   332

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

   333

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

   334

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

   335

   336

{   WIDGETS_END},

   337

};

   338

   339

static const WindowDesc _game_options_desc = {

   340

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

   341

	WC_GAME_OPTIONS, WC_NONE,

   342

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   343

	_game_options_widgets,

   344

	GameOptionsWndProc

   345

};

   346

   347

   348

void ShowGameOptions()

   349

{

   350

	DeleteWindowById(WC_GAME_OPTIONS, 0);

   351

	AllocateWindowDesc(&_game_options_desc);

   352

}

   353

   354

struct GameSettingData {

   355

	int16 min;

   356

	int16 max;

   357

	int16 step;

   358

	StringID str;

   359

};

   360

   361

static const GameSettingData _game_setting_info[] = {

   362

	{  0,   7,  1, STR_NULL},

   363

	{  0,   3,  1, STR_6830_IMMEDIATE},

   364

	{  0,   3,  1, STR_NUM_VERY_LOW},

   365

	{  0,   4,  1, STR_26816_NONE},

   366

	{100, 500, 50, STR_NULL},

   367

	{  2,   4,  1, STR_NULL},

   368

	{  0,   2,  1, STR_6820_LOW},

   369

	{  0,   4,  1, STR_681B_VERY_SLOW},

   370

	{  0,   2,  1, STR_6820_LOW},

   371

	{  0,   2,  1, STR_6823_NONE},

   372

	{  0,   3,  1, STR_6826_X1_5},

   373

	{  0,   2,  1, STR_6820_LOW},

   374

	{  0,   3,  1, STR_682A_VERY_FLAT},

   375

	{  0,   3,  1, STR_VERY_LOW},

   376

	{  0,   1,  1, STR_682E_STEADY},

   377

	{  0,   1,  1, STR_6834_AT_END_OF_LINE_AND_AT_STATIONS},

   378

	{  0,   1,  1, STR_6836_OFF},

   379

	{  0,   2,  1, STR_6839_PERMISSIVE},

   380

};

   381

   382

/*

   383

 * A: competitors

   384

 * B: start time in months / 3

   385

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

   386

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

   387

 * E: inital loan / 1000 (in GBP)

   388

 * F: interest rate

   389

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

   390

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

   391

 * I: intelligence (0-2)

   392

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

   393

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

   394

 * L: construction cost (0-2)

   395

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

   396

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

   397

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

   398

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

   399

 * Q: disasters

   400

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

   401

 */

   403

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

   404

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

   405

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

   406

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

   407

};

   408

   409

void SetDifficultyLevel(int mode, GameOptions *gm_opt)

   410

{

   411

	int i;

   412

	assert(mode <= 3);

   413

   414

	gm_opt->diff_level = mode;

   415

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

   416

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

   418

	}

   419

}

   420

   421

/**

   422

 * Checks the difficulty levels read from the configuration and

   423

 * forces them to be correct when invalid.

   424

 */

   425

void CheckDifficultyLevels()

   426

{

   427

	if (_opt_newgame.diff_level != 3) {

   428

		SetDifficultyLevel(_opt_newgame.diff_level, &_opt_newgame);

   429

	} else {

   430

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

   432

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

   433

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

   434

		}

   435

	}

   436

}

   437

   438

extern void StartupEconomy();

   439

   440

enum {

   441

	GAMEDIFF_WND_TOP_OFFSET = 45,

   442

	GAMEDIFF_WND_ROWSIZE    = 9

   443

};

   444

   445

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

   446

static GameOptions _opt_mod_temp;

   447

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

   448

#define DIFF_INGAME_DISABLED_BUTTONS 0x383E

   449

   450

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

   451

{

   452

	switch (e->event) {

   453

	case WE_CREATE: // Setup disabled buttons when creating window

   454

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

   455

		SetWindowWidgetDisabledState(w,  3, _game_mode == GM_NORMAL);

   456

		SetWindowWidgetDisabledState(w,  4, _game_mode == GM_NORMAL);

   457

		SetWindowWidgetDisabledState(w,  5, _game_mode == GM_NORMAL);

   458

		SetWindowWidgetDisabledState(w,  6, _game_mode == GM_NORMAL);

   459

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

   460

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

   461

		LowerWindowWidget(w, _opt_mod_temp.diff_level + 3);

   462

   463

		break;

   464

	case WE_PAINT: {

   465

		uint32 click_a, click_b, disabled;

   466

		int i;

   467

		int y, value;

   468

   469

		DrawWindowWidgets(w);

   470

   471

		click_a = _difficulty_click_a;

   472

		click_b = _difficulty_click_b;

   473

   474

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

   475

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

   476

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

   477

   478

		y = GAMEDIFF_WND_TOP_OFFSET;

   479

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

   480

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

   481

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

   482

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

   483

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

   484

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

   485

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

   486

			}

   487

   488

			DrawStringCentered(10, y, STR_6819, 0);

   489

			DrawStringCentered(20, y, STR_681A, 0);

   490

   491