1

#include "stdafx.h"

     2

#include "openttd.h"

     3

#include "string.h"

     4

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

     5

#include "table/sprites.h"

     6

#include "table/strings.h"

     7

#include "window.h"

     8

#include "gui.h"

     9

#include "gfx.h"

    10

#include "command.h"

    11

#include "engine.h"

    12

#include "screenshot.h"

    13

#include "newgrf.h"

    14

#include "network.h"

    15

#include "console.h"

    16

#include "town.h"

    17

    18

static uint32 _difficulty_click_a;

    19

static uint32 _difficulty_click_b;

    20

static byte _difficulty_timeout;

    21

    22

extern const StringID _currency_string_list[];

    23

extern uint GetMaskOfAllowedCurrencies(void);

    24

    25

static const StringID _distances_dropdown[] = {

    26

	STR_0139_IMPERIAL_MILES,

    27

	STR_013A_METRIC_KILOMETERS,

    28

	INVALID_STRING_ID

    29

};

    30

    31

static const StringID _driveside_dropdown[] = {

    32

	STR_02E9_DRIVE_ON_LEFT,

    33

	STR_02EA_DRIVE_ON_RIGHT,

    34

	INVALID_STRING_ID

    35

};

    36

    37

static const StringID _autosave_dropdown[] = {

    38

	STR_02F7_OFF,

    39

	STR_AUTOSAVE_1_MONTH,

    40

	STR_02F8_EVERY_3_MONTHS,

    41

	STR_02F9_EVERY_6_MONTHS,

    42

	STR_02FA_EVERY_12_MONTHS,

    43

	INVALID_STRING_ID,

    44

};

    45

    46

static const StringID _designnames_dropdown[] = {

    47

	STR_02BE_DEFAULT,

    48

	STR_02BF_CUSTOM,

    49

	INVALID_STRING_ID

    50

};

    51

    52

static StringID *BuildDynamicDropdown(StringID base, int num)

    53

{

    54

	static StringID buf[32 + 1];

    55

	StringID *p = buf;

    56

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

    57

	*p = INVALID_STRING_ID;

    58

	return buf;

    59

}

    60

    61

static int GetCurRes(void)

    62

{

    63

	int i;

    64

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

    65

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

    66

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

    67

			break;

    68

	return i;

    69

}

    70

    71

static inline bool RoadVehiclesAreBuilt(void)

    72

{

    73

	const Vehicle *v;

    74

	FOR_ALL_VEHICLES(v) {

    75

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

    76

	}

    77

	return false;

    78

}

    79

    80

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

    81

{

    82

	switch (e->event) {

    83

	case WE_PAINT: {

    84

		int i;

    85

		StringID str = STR_02BE_DEFAULT;

    86

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

    87

		SetDParam(0, str);

    88

		SetDParam(1, _currency_string_list[_opt_ptr->currency]);

    89

		SetDParam(2, _opt_ptr->kilometers + STR_0139_IMPERIAL_MILES);

    90

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

    91

		SetDParam(4, STR_TOWNNAME_ORIGINAL_ENGLISH + _opt_ptr->town_name);

    92

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

    93

		SetDParam(6, SPECSTR_LANGUAGE_START + _dynlang.curr);

    94

		i = GetCurRes();

    95

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

    96

		SetDParam(8, SPECSTR_SCREENSHOT_START + _cur_screenshot_format);

    97

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

    98

    99

		DrawWindowWidgets(w);

   100

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

   101

	}	break;

   102

   103

	case WE_CLICK:

   104

		switch (e->click.widget) {

   105

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

   106

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

   107

			return;

   108

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

   109

			ShowDropDownMenu(w, _distances_dropdown, _opt_ptr->kilometers, 8, 0, 0);

   110

			return;

   111

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

   112

			int i = 0;

   113

   114

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

   115

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

   116

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

   117

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

   118

   119

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

   120

		} return;

   121

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

   122

			int i = _opt_ptr->town_name;

   123

			ShowDropDownMenu(w, BuildDynamicDropdown(STR_TOWNNAME_ORIGINAL_ENGLISH, SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1), i, 14, (_game_mode == GM_MENU) ? 0 : (-1) ^ (1 << i), 0);

   124

			return;

   125

		}

   126

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

   127

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

   128

			return;

   129

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

   130

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

   131

			return;

   132

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

   133

			return;

   134

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

   135

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

   136

			return;

   137

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

   138

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

   139

			return;

   140

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

   141

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

   142

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

   143

			SetWindowDirty(w);

   144

			return;

   145

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

   146

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

   147

			return;

   148

		}

   149

		break;

   150

   151

	case WE_DROPDOWN_SELECT:

   152

		switch (e->dropdown.button) {

   153

		case 20: /* Vehicle design names */

   154

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

   155

				DeleteCustomEngineNames();

   156

				MarkWholeScreenDirty();

   157

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

   158

				LoadCustomEngineNames();

   159

				MarkWholeScreenDirty();

   160

			}

   161

			break;

   162

		case 5: /* Currency */

   163

			if (e->dropdown.index == 23)

   164

				ShowCustCurrency();

   165

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

   166

			MarkWholeScreenDirty();

   167

			break;

   168

		case 8: /* Distance units */

   169

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

   170

			MarkWholeScreenDirty();

   171

			break;

   172

		case 11: /* Road side */

   173

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

   174

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

   175

				MarkWholeScreenDirty();

   176

			}

   177

			break;

   178

		case 14: /* Town names */

   179

			if (_game_mode == GM_MENU) {

   180

				_opt_ptr->town_name = e->dropdown.index;

   181

				InvalidateWindow(WC_GAME_OPTIONS, 0);

   182

			}

   183

			break;

   184

		case 17: /* Autosave options */

   185

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

   186

			SetWindowDirty(w);

   187

			break;

   188

		case 24: /* Change interface language */

   189

			ReadLanguagePack(e->dropdown.index);

   190

			MarkWholeScreenDirty();

   191

			break;

   192

		case 27: /* Change resolution */

   193

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

   194

				SetWindowDirty(w);

   195

			break;

   196

		case 31: /* Change screenshot format */

   197

			SetScreenshotFormat(e->dropdown.index);

   198

			SetWindowDirty(w);

   199

			break;

   200

		}

   201

		break;

   202

   203

	case WE_DESTROY:

   204

		DeleteWindowById(WC_CUSTOM_CURRENCY, 0);

   205

		break;

   206

	}

   207

   208

}

   209

   210

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

   211

 * @param x,y unused

   212

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

   213

 * @param p2 unused

   214

 */

   215

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

   216

{

   217

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

   218

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

   219

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

   220

   221

	if (flags & DC_EXEC) {

   222

		_opt_ptr->road_side = p1;

   223

		InvalidateWindow(WC_GAME_OPTIONS,0);

   224

	}

   225

	return 0;

   226

}

   227

   228

static const Widget _game_options_widgets[] = {

   229

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

   230

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

   231

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

   232

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

   233

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

   234

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

   235

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

   236

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

   237

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

   238

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

   239

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

   240

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

   241

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

   242

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

   243

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

   244

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

   245

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

   246

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

   247

   248

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

   249

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

   250

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

   251

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

   252

   253

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

   254

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

   255

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

   256

   257

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

   258

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

   259

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

   260

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

   261

   262

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

   263

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

   264

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

   265

   266

{   WIDGETS_END},

   267

};

   268

   269

static const WindowDesc _game_options_desc = {

   270

	WDP_CENTER, WDP_CENTER, 370, 239,

   271

	WC_GAME_OPTIONS,0,

   272

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   273

	_game_options_widgets,

   274

	GameOptionsWndProc

   275

};

   276

   277

   278

void ShowGameOptions(void)

   279

{

   280

	DeleteWindowById(WC_GAME_OPTIONS, 0);

   281

	AllocateWindowDesc(&_game_options_desc);

   282

}

   283

   284

typedef struct {

   285

	int16 min;

   286

	int16 max;

   287

	int16 step;

   288

	StringID str;

   289

} GameSettingData;

   290

   291

static const GameSettingData _game_setting_info[] = {

   292

	{  0,   7,  1, STR_NULL},

   293

	{  0,   3,  1, STR_6830_IMMEDIATE},

   294

	{  0,   2,  1, STR_6816_LOW},

   295

	{  0,   3,  1, STR_26816_NONE},

   296

	{100, 500, 50, STR_NULL},

   297

	{  2,   4,  1, STR_NULL},

   298

	{  0,   2,  1, STR_6820_LOW},

   299

	{  0,   4,  1, STR_681B_VERY_SLOW},

   300

	{  0,   2,  1, STR_6820_LOW},

   301

	{  0,   2,  1, STR_6823_NONE},

   302

	{  0,   3,  1, STR_6826_X1_5},

   303

	{  0,   2,  1, STR_6820_LOW},

   304

	{  0,   3,  1, STR_682A_VERY_FLAT},

   305

	{  0,   3,  1, STR_VERY_LOW},

   306

	{  0,   1,  1, STR_682E_STEADY},

   307

	{  0,   1,  1, STR_6834_AT_END_OF_LINE_AND_AT_STATIONS},

   308

	{  0,   1,  1, STR_6836_OFF},

   309

	{  0,   2,  1, STR_6839_PERMISSIVE},

   310

};

   311

   312

static inline bool GetBitAndShift(uint32 *b)

   313

{

   314

	uint32 x = *b;

   315

	*b >>= 1;

   316

	return HASBIT(x, 0);

   317

}

   318

   319

/*

   320

	A: competitors

   321

	B: start time in months / 3

   322

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

   323

	D: industry count (3 = high, 0 = none)

   324

	E: inital loan / 1000 (in GBP)

   325

	F: interest rate

   326

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

   327

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

   328

	I: intelligence (0-2)

   329

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

   330

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

   331

	L: construction cost (0-2)

   332

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

   333

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

   334

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

   335

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

   336

	Q: disasters

   337

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

   338

*/

   339

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

   340

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

   341

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

   342

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

   343

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

   344

};

   345

   346

void SetDifficultyLevel(int mode, GameOptions *gm_opt)

   347

{

   348

	int i;

   349

	assert(mode <= 3);

   350

   351

	gm_opt->diff_level = mode;

   352

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

   353

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

   354

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

   355

	}

   356

}

   357

   358

extern void StartupEconomy(void);

   359

   360

enum {

   361

	GAMEDIFF_WND_TOP_OFFSET = 45,

   362

	GAMEDIFF_WND_ROWSIZE    = 9

   363

};

   364

   365

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

   366

static GameOptions _opt_mod_temp;

   367

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

   368

#define DIFF_INGAME_DISABLED_BUTTONS 0x383E

   369

   370

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

   371

{

   372

	switch (e->event) {

   373

		case WE_CREATE: /* Setup disabled buttons when creating window */

   374

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

   375

		w->disabled_state = (_game_mode != GM_NORMAL) ? 0 : (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);

   376

   377

		if (_game_mode == GM_EDITOR) SETBIT(w->disabled_state, 7);

   378

   379

		if (_networking) {

   380

			SETBIT(w->disabled_state, 7); // disable highscore chart in multiplayer

   381

			if (!_network_server)

   382

				SETBIT(w->disabled_state, 10); // Disable save-button in multiplayer (and if client)

   383

		}

   384

		break;

   385

	case WE_PAINT: {

   386

		uint32 click_a, click_b, disabled;

   387

		int i;

   388

		int y, value;

   389

   390

		w->click_state = (1 << 3) << _opt_mod_temp.diff_level; // have current difficulty button clicked

   391

		DrawWindowWidgets(w);

   392

   393

		click_a = _difficulty_click_a;

   394

		click_b = _difficulty_click_b;

   395

   396

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

   397

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

   398

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

   399

   400

		y = GAMEDIFF_WND_TOP_OFFSET;

   401

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

   402

			DrawFrameRect( 5, y,  5 + 8, y + 8, 3, GetBitAndShift(&click_a) ? (1 << 5) : 0);

   403

			DrawFrameRect(15, y, 15 + 8, y + 8, 3, GetBitAndShift(&click_b) ? (1 << 5) : 0);

   404

			if (GetBitAndShift(&disabled) || (_networking && !_network_server)) {

   405

				int color = PALETTE_MODIFIER_COLOR | _color_list[3].unk2;

   406

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

   407

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

   408

			}

   409

   410

			DrawStringCentered(10, y, STR_6819, 0);

   411

			DrawStringCentered(20, y, STR_681A, 0);

   412

   413

   414

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

   415

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

   416

			SetDParam(0, value);

   417

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

   418

   419

			y += GAMEDIFF_WND_ROWSIZE + 2; // space items apart a bit

   420

		}

   421

	} break;

   422

   423

	case WE_CLICK:

   424

		switch (e->click.widget) {

   425

		case 8: { /* Difficulty settings widget, decode click */

   426

			const GameSettingData *info;

   427

			int x, y;

   428

			uint btn, dis;

   429

			int val;

   430

   431

			// Don't allow clients to make any changes

   432

			if  (_networking && !_network_server)

   433

				return;

   434

   435

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

   436

			if (!IS_INT_INSIDE(x, 0, 21)) // Button area

   437

				return;

   438

   439

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

   440

			if (y < 0)

   441

				return;

   442

   443

			// Get button from Y coord.

   444

			btn = y / (GAMEDIFF_WND_ROWSIZE + 2);

   445

			if (btn >= GAME_DIFFICULTY_NUM || y % (GAMEDIFF_WND_ROWSIZE + 2) >= 9)

   446

				return;

   447

   448

			// Clicked disabled button?

   449

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

   450

   451

			if (HASBIT(dis, btn))

   452

				return;

   453

   454

			_difficulty_timeout = 5;

   455

   456

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

   457

   458

			info = &_game_setting_info[btn]; // get information about the difficulty setting

   459

			if (x >= 10) {

   460

				// Increase button clicked

   461

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

   462

				SETBIT(_difficulty_click_b, btn);

   463

			} else {

   464

				// Decrease button clicked

   465

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

   466

				SETBIT(_difficulty_click_a, btn);

   467

			}

   468

   469

			// save value in temporary variable

   470

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

   471

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

   472

			SetWindowDirty(w);

   473

		}	break;

   474

		case 3: case 4: case 5: case 6: /* Easy / Medium / Hard / Custom */

   475

			// temporarily change difficulty level

   476

			SetDifficultyLevel(e->click.widget - 3, &_opt_mod_temp);

   477

			SetWindowDirty(w);

   478

			break;

   479

		case 7: /* Highscore Table */

   480

			ShowHighscoreTable(_opt_mod_temp.diff_level, -1);

   481

			break;

   482

		case 10: { /* Save button - save changes */

   483

			int btn, val;

   484

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

   485

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

   486

				// if setting has changed, change it

   487

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

   488

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

   489

			}

   490

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

   491

			DeleteWindow(w);

   492

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

   493

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

   494

			//  are loaded correctly.

   495

			if (_game_mode == GM_EDITOR)

   496

				StartupEconomy();

   497

			break;

   498

		}

   499

		case 11: /* Cancel button - close window, abandon changes */