1

#include "stdafx.h"

     2

#include "ttd.h"

     3

     4

#include "window.h"

     5

#include "gui.h"

     6

#include "gfx.h"

     7

#include "command.h"

     8

#include "engine.h"

     9

    10

static uint32 _difficulty_click_a;

    11

static uint32 _difficulty_click_b;

    12

static byte _difficulty_timeout;

    13

    14

extern const StringID _currency_string_list[];

    15

extern uint GetMaskOfAllowedCurrencies();

    16

    17

static const StringID _distances_dropdown[] = {

    18

	STR_0139_IMPERIAL_MILES,

    19

	STR_013A_METRIC_KILOMETERS,

    20

	INVALID_STRING_ID

    21

};

    22

    23

static const StringID _driveside_dropdown[] = {

    24

	STR_02E9_DRIVE_ON_LEFT,

    25

	STR_02EA_DRIVE_ON_RIGHT,

    26

	INVALID_STRING_ID

    27

};

    28

    29

static const StringID _autosave_dropdown[] = {

    30

	STR_02F7_OFF,

    31

	STR_AUTOSAVE_1_MONTH,

    32

	STR_02F8_EVERY_3_MONTHS,

    33

	STR_02F9_EVERY_6_MONTHS,

    34

	STR_02FA_EVERY_12_MONTHS,

    35

	INVALID_STRING_ID,

    36

};

    37

    38

static const StringID _designnames_dropdown[] = {

    39

	STR_02BE_DEFAULT,

    40

	STR_02BF_CUSTOM,

    41

	INVALID_STRING_ID

    42

};

    43

    44

static StringID *BuildDynamicDropdown(StringID base, int num)

    45

{

    46

	static StringID buf[32 + 1];

    47

	StringID *p = buf;

    48

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

    49

	*p = INVALID_STRING_ID;

    50

	return buf;

    51

}

    52

    53

static int GetCurRes()

    54

{

    55

	int i;

    59

			break;

    60

	return i;

    61

}

    62

    63

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

    64

{

    65

	int i;

    66

    67

	switch(e->event) {

    68

	case WE_PAINT: {

    69

		StringID str = STR_02BE_DEFAULT;

    70

		w->disabled_state = (_vehicle_design_names & 1) ? (++str, 0) : (1 << 21);

    71

		SET_DPARAM16(0, str);

    72

		SET_DPARAM16(1, _currency_string_list[_opt_mod_ptr->currency]);

    73

		SET_DPARAM16(2, _opt_mod_ptr->kilometers + STR_0139_IMPERIAL_MILES);

    74

		SET_DPARAM16(3, STR_02E9_DRIVE_ON_LEFT + _opt_mod_ptr->road_side);

    75

		SET_DPARAM16(4, STR_TOWNNAME_ENGLISH + _opt_mod_ptr->town_name);

    76

		SET_DPARAM16(5, _autosave_dropdown[_opt_mod_ptr->autosave]);

    77

		SET_DPARAM16(6, SPECSTR_LANGUAGE_START + _dynlang.curr);

    78

		i = GetCurRes();

    79

		SET_DPARAM16(7, i == _num_resolutions ? STR_RES_OTHER : SPECSTR_RESOLUTION_START + i);

    80

		SET_DPARAM16(8, SPECSTR_SCREENSHOT_START + _cur_screenshot_format);

    81

		(_fullscreen) ? SETBIT(w->click_state, 28) : CLRBIT(w->click_state, 28); // fullscreen button

    82

    83

		DrawWindowWidgets(w);

    84

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

    85

	}	break;

    86

    87

	case WE_CLICK:

    88

		switch(e->click.widget) {

    89

		case 5:

    90

			ShowDropDownMenu(w, _currency_string_list, _opt_mod_ptr->currency, e->click.widget, _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies());

    91

			return;

    92

		case 8:

    93

			ShowDropDownMenu(w, _distances_dropdown, _opt_mod_ptr->kilometers, e->click.widget, 0);

    94

			return;

    95

		case 11: {

    96

			int i = _opt_mod_ptr->road_side;

    97

			ShowDropDownMenu(w, _driveside_dropdown, i, e->click.widget, (_game_mode == GM_MENU) ? 0 : (-1) ^ (1 << i));

    98

			return;

    99

		}

   100

		case 14: {

   101

			int i = _opt_mod_ptr->town_name;

   102

			ShowDropDownMenu(w, BuildDynamicDropdown(STR_TOWNNAME_ENGLISH, SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1), i, e->click.widget, (_game_mode == GM_MENU) ? 0 : (-1) ^ (1 << i));

   103

			return;

   104

		}

   105

		case 17:

   106

			ShowDropDownMenu(w, _autosave_dropdown, _opt_mod_ptr->autosave, e->click.widget, 0);

   107

			return;

   108

		case 20:

   109

			ShowDropDownMenu(w, _designnames_dropdown, (_vehicle_design_names&1)?1:0, e->click.widget, (_vehicle_design_names&2)?0:2);

   110

			return;

   111

		case 21:

   112

			return;

   113

		case 24:

   114

			ShowDropDownMenu(w, _dynlang.dropdown, _dynlang.curr, e->click.widget, 0);

   115

			return;

   116

		case 27:

   117

			// setup resolution dropdown

   118

			ShowDropDownMenu(w, BuildDynamicDropdown(SPECSTR_RESOLUTION_START, _num_resolutions), GetCurRes(), e->click.widget, 0);

   119

			return;

   120

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

   121

			(_fullscreen) ? CLRBIT(w->click_state, 28) : SETBIT(w->click_state, 28);

   122

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

   123

			SetWindowDirty(w);

   124

			return;

   125

		case 31: /* Setup screenshot format dropdown */

   126

			ShowDropDownMenu(w, BuildDynamicDropdown(SPECSTR_SCREENSHOT_START, _num_screenshot_formats), _cur_screenshot_format, e->click.widget, 0);

   127

			return;

   128

   129

		}

   130

		break;

   131

   132

	case WE_DROPDOWN_SELECT:

   133

		switch(e->dropdown.button) {

   134

		case 20:

   135

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

   136

				DeleteCustomEngineNames();

   137

				MarkWholeScreenDirty();

   138

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

   139

				LoadCustomEngineNames();

   140

				MarkWholeScreenDirty();

   141

			}

   142

			break;

   143

		case 5:

   144

			_opt_mod_ptr->currency = _opt.currency = e->dropdown.index;

   145

			MarkWholeScreenDirty();

   146

			break;

   147

		case 8:

   148

			_opt_mod_ptr->kilometers = e->dropdown.index;

   149

			MarkWholeScreenDirty();

   150

			break;

   151

		case 11:

   152

			if (_game_mode == GM_MENU)

   153

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

   154

			break;

   155

		case 14:

   156

			if (_game_mode == GM_MENU)

   157

				DoCommandP(0, e->dropdown.index, 0, NULL, CMD_SET_TOWN_NAME_TYPE | CMD_MSG(STR_EMPTY));

   158

			break;

   159

		case 17:

   160

			_opt_mod_ptr->autosave = e->dropdown.index;

   161

			SetWindowDirty(w);

   162

			break;

   163

   164

		// change interface language

   165

		case 24:

   166

			ReadLanguagePack(e->dropdown.index);

   167

			MarkWholeScreenDirty();

   168

			break;

   169

   170

		// change resolution

   171

		case 27:

   172

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

   173

				SetWindowDirty(w);

   174

			break;

   175

   176

		// change screenshot format

   177

		case 30:

   178

			SetScreenshotFormat(e->dropdown.index);

   179

			SetWindowDirty(w);

   180

			break;

   181

		}

   182

		break;

   183

	}

   184

}

   185

   186

int32 CmdSetRoadDriveSide(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   187

{

   188

	if (flags & DC_EXEC) {

   189

		_opt_mod_ptr->road_side = p1;

   190

		InvalidateWindow(WC_GAME_OPTIONS,0);

   191

	}

   192

	return 0;

   193

}

   194

   195

int32 CmdSetTownNameType(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   196

{

   197

	if (flags & DC_EXEC) {

   198

		_opt_mod_ptr->town_name = p1;

   199

		InvalidateWindow(WC_GAME_OPTIONS,0);

   200

	}

   201

	return 0;

   202

}

   203

   204

   205

static const Widget _game_options_widgets[] = {

   206

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

   207

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

   208

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

   209

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

   210

{          WWT_6,    14,    20,   169,    34,    45, STR_02E1,								STR_02E2_CURRENCY_UNITS_SELECTION},

   211

{   WWT_CLOSEBOX,    14,   158,   168,    35,    44, STR_0225,								STR_02E2_CURRENCY_UNITS_SELECTION},

   212

{      WWT_FRAME,    14,   190,   359,    20,    55, STR_02E3_DISTANCE_UNITS,	STR_NULL},

   213

{          WWT_6,    14,   200,   349,    34,    45, STR_02E4,								STR_02E5_DISTANCE_UNITS_SELECTION},

   214

{   WWT_CLOSEBOX,    14,   338,   348,    35,    44, STR_0225,								STR_02E5_DISTANCE_UNITS_SELECTION},

   215

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

   216

{          WWT_6,    14,    20,   169,    76,    87, STR_02E7,								STR_02E8_SELECT_SIDE_OF_ROAD_FOR},

   217

{   WWT_CLOSEBOX,    14,   158,   168,    77,    86, STR_0225,								STR_02E8_SELECT_SIDE_OF_ROAD_FOR},

   218

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

   219

{          WWT_6,    14,   200,   349,    76,    87, STR_02EC,								STR_02ED_SELECT_STYLE_OF_TOWN_NAMES},

   220

{   WWT_CLOSEBOX,    14,   338,   348,    77,    86, STR_0225,								STR_02ED_SELECT_STYLE_OF_TOWN_NAMES},

   221

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

   222

{          WWT_6,    14,    20,   169,   118,   129, STR_02F5,								STR_02F6_SELECT_INTERVAL_BETWEEN},

   223

{   WWT_CLOSEBOX,    14,   158,   168,   119,   128, STR_0225,								STR_02F6_SELECT_INTERVAL_BETWEEN},

   224

   225

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

   226

{          WWT_6,    14,    20,   119,   207,   218, STR_02BD,								STR_02C1_VEHICLE_DESIGN_NAMES_SELECTION},

   227

{   WWT_CLOSEBOX,    14,   108,   118,   208,   217, STR_0225,								STR_02C1_VEHICLE_DESIGN_NAMES_SELECTION},

   228

{   WWT_CLOSEBOX,    14,   130,   349,   207,   218, STR_02C0_SAVE_CUSTOM_NAMES_TO_DISK,	STR_02C2_SAVE_CUSTOMIZED_VEHICLE},

   229

   230

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

   231

{          WWT_6,    14,   200,   349,   118,   129, STR_OPTIONS_LANG_CBO,		STR_OPTIONS_LANG_TIP},

   232

{   WWT_CLOSEBOX,    14,   338,   348,   119,   128, STR_0225,								STR_OPTIONS_LANG_TIP},

   233

   234

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

   235

{          WWT_6,    14,    20,   169,   160,   171, STR_OPTIONS_RES_CBO,			STR_OPTIONS_RES_TIP},

   236

{   WWT_CLOSEBOX,    14,   158,   168,   161,   170, STR_0225,								STR_OPTIONS_RES_TIP},

   237

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

   238

   239

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

   240

{          WWT_6,    14,   200,   349,   160,   171, STR_OPTIONS_SCREENSHOT_FORMAT_CBO,		STR_OPTIONS_SCREENSHOT_FORMAT_TIP},

   241

{   WWT_CLOSEBOX,    14,   338,   348,   161,   170, STR_0225,								STR_OPTIONS_SCREENSHOT_FORMAT_TIP},

   242

   243

{   WIDGETS_END},

   244

};

   245

   246

static const WindowDesc _game_options_desc = {

   247

	WDP_CENTER, WDP_CENTER, 370, 239,

   248

	WC_GAME_OPTIONS,0,

   249

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_RESTORE_DPARAM | WDF_UNCLICK_BUTTONS,

   250

	_game_options_widgets,

   251

	GameOptionsWndProc

   252

};

   253

   254

   255

void ShowGameOptions()

   256

{

   257

	DeleteWindowById(WC_GAME_OPTIONS, 0);

   258

	AllocateWindowDesc(&_game_options_desc);

   259

}

   260

   261

typedef struct {

   262

	int16 min;

   263

	int16 max;

   264

	int16 step;

   265

	StringID str;

   266

} GameSettingData;

   267

   268

static const GameSettingData _game_setting_info[] = {

   269

	{0,7,1,0},

   270

	{0,3,1,STR_6830_IMMEDIATE},

   271

	{0,2,1,STR_6816_LOW},

   272

	{0,3,1,STR_26816_NONE},

   273

	{100,500,50,0},

   274

	{2,4,1,0},

   275

	{0,2,1,STR_6820_LOW},

   276

	{0,4,1,STR_681B_VERY_SLOW},

   277

	{0,2,1,STR_6820_LOW},

   278

	{0,2,1,STR_6823_NONE},

   279

	{0,3,1,STR_6826_X1_5},

   280

	{0,2,1,STR_6820_LOW},

   281

	{0,3,1,STR_682A_VERY_FLAT},

   282

	{0,3,1,STR_VERY_LOW},

   283

	{0,1,1,STR_682E_STEADY},

   284

	{0,1,1,STR_6834_AT_END_OF_LINE_AND_AT_STATIONS},

   285

	{0,1,1,STR_6836_OFF},

   286

	{0,2,1,STR_6839_PERMISSIVE},

   287

};

   288

   289

static bool FORCEINLINE GetBitAndShift(uint32 *b)

   290

{

   291

	uint32 x = *b;

   292

	*b >>= 1;

   293

	return (x&1) != 0;

   294

}

   295

   296

static GameOptions _opt_mod_temp;

   297

   298

static const int16 _default_game_diff[3][GAME_DIFFICULTY_NUM] = {

   299

	{2, 2, 1, 3, 300, 2, 0, 2, 0, 1, 2, 0, 1, 0, 0, 0, 0, 0},

   300

	{4, 1, 1, 2, 150, 3, 1, 3, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1},

   301

	{7, 0, 2, 2, 100, 4, 1, 3, 2, 2, 0, 2, 3, 2, 1, 1, 1, 2},

   302

};

   303

   304

void SetDifficultyLevel(int mode, GameOptions *gm_opt)

   305

{

   306

	int i;

   307

	assert(mode <= 3);

   308

   309

	gm_opt->diff_level = mode;

   310

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

   311

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

   312

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

   313

	}

   314

}

   315

   316

extern void StartupEconomy();

   317

   318

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

   319

{

   320

	switch(e->event) {

   321

	case WE_PAINT: {

   322

		uint32 click_a, click_b, disabled;

   323

		int i;

   324

		int x,y,value;

   325

   326

		w->click_state = (1 << 4) << _opt_mod_temp.diff_level;

   327

		w->disabled_state = (_game_mode != GM_NORMAL) ? 0 : (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7);

   328

		DrawWindowWidgets(w);

   329

   330

		click_a = _difficulty_click_a;

   331

		click_b = _difficulty_click_b;

   332

   333

		disabled = _game_mode == GM_NORMAL ? 0x383E : 0;

   334

		// XXX

   335

   336

		x = 0;

   337

		y = 32;

   338

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

   339

			DrawFrameRect(x+5, y+1, x+5+9, y+9, 3, GetBitAndShift(&click_a)?0x20:0);

   340

			DrawFrameRect(x+15, y+1, x+15+9, y+9, 3, GetBitAndShift(&click_b)?0x20:0);

   341

			if (GetBitAndShift(&disabled)) {

   342

				int color = 0x8000 | _color_list[3].unk2;

   343

				GfxFillRect(x+6, y+2, x+6+8, y+9, color);

   344

				GfxFillRect(x+16, y+2, x+16+8, y+9, color);

   345

			}

   346

   347

			DrawStringCentered(x+10, y+1, STR_6819, 0);

   348

			DrawStringCentered(x+20, y+1, STR_681A, 0);

   349

   350

   351

			value = _game_setting_info[i].str + ((int*)&_opt_mod_temp.diff)[i];

   352

			if (i == 4) value *= 1000; // handle currency option

   353

			SET_DPARAM32(0, value);

   354

			DrawString(x+30, y+1, STR_6805_MAXIMUM_NO_COMPETITORS + i, 0);

   355

   356

			y += 11;

   357

		}

   358

	} break;

   359

   360

	case WE_CLICK:

   361

		switch(e->click.widget) {

   362

		case 3: {

   363

			int x,y;

   364

			uint btn, dis;

   365

			int val;

   366

			const GameSettingData *info;

   367

   368

			x = e->click.pt.x - 5;

   369

			if (!IS_INT_INSIDE(x, 0, 21))

   370

				return;

   371

   372

			y = e->click.pt.y - 33;

   373

			if (y < 0)

   374

				return;

   375

   376

			// Get button from Y coord.

   377

			btn = y / 11;

   378

			if (btn >= GAME_DIFFICULTY_NUM || y % 11 > 9)

   379

				return;

   380

   381

			// Clicked disabled button?

   382

			dis = 0;

   383

			if (_game_mode == GM_NORMAL)

   384

				dis |= 0x383E;

   385

			if (HASBIT(dis, btn))

   386

				return;

   387

   388

			_difficulty_timeout = 5;

   389

   390

			val = ((int*)&_opt_mod_temp.diff)[btn];

   391

   392

			info = &_game_setting_info[btn];

   393

			if (x >= 10) {

   394

				// Increase button clicked

   395

				val = min(val + info->step, info->max);

   396

				SETBIT(_difficulty_click_b, btn);

   397

			} else {

   398

				// Decrease button clicked

   399

				val = max(val - info->step, info->min);

   400

				SETBIT(_difficulty_click_a, btn);

   401

			}

   402

   403

			// save value in temporary variable

   404

			((int*)&_opt_mod_temp.diff)[btn] = val;

   405

			SetDifficultyLevel(3, &_opt_mod_temp); // set difficulty level to custom

   406

			SetWindowDirty(w);

   407

			break;

   408

		}

   409

		case 4: case 5: case 6: case 7: // easy/medium/hard/custom

   410

			// temporarily change difficulty level

   411

			SetDifficultyLevel(e->click.widget - 4, &_opt_mod_temp);

   412

			SetWindowDirty(w);

   413

			break;

   414

		case 8:

   415

			ShowHighscoreTable(_opt_mod_ptr->diff_level);

   416

			break;

   417

		case 10: { // Save button - save changes

   418

			int btn, val;

   419

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

   420

				val = ((int*)&_opt_mod_temp.diff)[btn];

   421

				// if setting has changed, change it

   422

				if (val != ((int*)&_opt_mod_ptr->diff)[btn])

   423

					DoCommandP(0, btn, val, NULL, CMD_CHANGE_DIFFICULTY_LEVEL);

   424

			}

   425

			DoCommandP(0, -1, _opt_mod_temp.diff_level, NULL, CMD_CHANGE_DIFFICULTY_LEVEL);

   426

			DeleteWindow(w);

   427

			// If we are in the editor, we should reload the economy.

   428

			//  This way when you load a game, the max loan and interest rate

   429

			//  are loaded correctly.

   430

			if (_game_mode == GM_EDITOR)

   431

				StartupEconomy();

   432

			break;

   433

		}

   434

		case 11: // Cancel button - close window

   435

			DeleteWindow(w);

   436

			break;

   437

		}

   438

		break;

   439

   440

	case WE_MOUSELOOP:

   441

		if (_difficulty_timeout != 0 && !--_difficulty_timeout) {

   442

			_difficulty_click_a = 0;

   443

			_difficulty_click_b = 0;

   444

			SetWindowDirty(w);

   445

		}

   446

		break;

   447

	}

   448

}

   449

   450

static const Widget _game_difficulty_widgets[] = {

   451

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

   452

{    WWT_CAPTION,    10,    11,   369,     0,    13, STR_6800_DIFFICULTY_LEVEL,	STR_018C_WINDOW_TITLE_DRAG_THIS},

   453

{      WWT_PANEL,    10,     0,   369,    14,    29, 0x0,												STR_NULL},

   454

{      WWT_PANEL,    10,     0,   369,    30,   276, 0x0,												STR_NULL},

   455

{ WWT_PUSHTXTBTN,     3,    10,    96,    16,    27, STR_6801_EASY,							STR_NULL},

   456

{ WWT_PUSHTXTBTN,     3,    97,   183,    16,    27, STR_6802_MEDIUM,						STR_NULL},

   457

{ WWT_PUSHTXTBTN,     3,   184,   270,    16,    27, STR_6803_HARD,							STR_NULL},

   458

{ WWT_PUSHTXTBTN,     3,   271,   357,    16,    27, STR_6804_CUSTOM,						STR_NULL},

   459

{      WWT_EMPTY,    10,     0,   369,   251,   262, 0x0,												STR_NULL},

   460

//{   WWT_CLOSEBOX,    10,     0,   369,   251,   262, STR_6838_SHOW_HI_SCORE_CHART,STR_NULL},

   461

{      WWT_PANEL,    10,     0,   369,   263,   278, 0x0,												STR_NULL},

   462

{ WWT_PUSHTXTBTN,     3,   105,   185,   265,   276, STR_OPTIONS_SAVE_CHANGES,	STR_NULL},

   463

{ WWT_PUSHTXTBTN,     3,   186,   266,   265,   276, STR_012E_CANCEL,						STR_NULL},

   464

{   WIDGETS_END},

   465

};

   466

   467

static const WindowDesc _game_difficulty_desc = {

   468

	WDP_CENTER, WDP_CENTER, 370, 279,

   469

	WC_GAME_OPTIONS,0,

   470

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,

   471

	_game_difficulty_widgets,

   472

	GameDifficultyWndProc

   473

};

   474

   475

void ShowGameDifficulty()

   476

{

   477

	DeleteWindowById(WC_GAME_OPTIONS, 0);

   478

	/*	copy current settings to temporary holding place

   479

	 *	change that when setting stuff, copy back on clicking 'OK'

   480

	 */

   481

	memcpy(&_opt_mod_temp, _opt_mod_ptr, sizeof(GameOptions));

   482

	AllocateWindowDesc(&_game_difficulty_desc);

   483

}

   484

   485

void ShowHighscoreTable(int tbl)

   486

{

   487

	ShowInfoF("ShowHighscoreTable(%d) not implemented", tbl);

   488

}

   489

   490

// virtual PositionMainToolbar function, calls the right one.

   491

int32 v_PositionMainToolbar(int32 p1)

   492

{

   493

	if (_game_mode != GM_MENU)

   494

		PositionMainToolbar(NULL);

   495

   496

	return 0;

   497

}

   498

   499

int32 AiNew_PatchActive_Warning(int32 p1)

   500

{

   501

  if (p1 == 1)

   502

    ShowErrorMessage(-1, TEMP_AI_ACTIVATED, 0, 0);

   503

   504

  return 0;

   505

}

   506

   507

int32 InvisibleTreesActive(int32 p1)

   508

{

   509

	MarkWholeScreenDirty();

   510

	return 0;

   511

}

   512

   513

int32 InValidateDetailsWindow(int32 p1)

   514

{

   515

	InvalidateWindowClasses(WC_VEHICLE_DETAILS);

   516

	return 0;

   517

}

   518

   519

/* Check service intervals of vehicles, p1 is value of % or day based servicing */