1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "currency.h"

     6

#include "functions.h"

     7

#include "string.h"

     8

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

     9

#include "table/sprites.h"

    10

#include "table/strings.h"

    11

#include "window.h"

    12

#include "gui.h"

    13

#include "gfx.h"

    14

#include "command.h"

    15

#include "engine.h"

    16

#include "screenshot.h"

    17

#include "newgrf.h"

    18

#include "network.h"

    19

#include "console.h"

    20

#include "town.h"

    21

#include "variables.h"

    22

    23

static uint32 _difficulty_click_a;

    24

static uint32 _difficulty_click_b;

    25

static byte _difficulty_timeout;

    26

    27

static const StringID _distances_dropdown[] = {

    28

	STR_0139_IMPERIAL_MILES,

    29

	STR_013A_METRIC_KILOMETERS,

    30

	INVALID_STRING_ID

    31

};

    32

    33

static const StringID _driveside_dropdown[] = {

    34

	STR_02E9_DRIVE_ON_LEFT,

    35

	STR_02EA_DRIVE_ON_RIGHT,

    36

	INVALID_STRING_ID

    37

};

    38

    39

static const StringID _autosave_dropdown[] = {

    40

	STR_02F7_OFF,

    41

	STR_AUTOSAVE_1_MONTH,

    42

	STR_02F8_EVERY_3_MONTHS,

    43

	STR_02F9_EVERY_6_MONTHS,

    44

	STR_02FA_EVERY_12_MONTHS,

    45

	INVALID_STRING_ID,

    46

};

    47

    48

static const StringID _designnames_dropdown[] = {

    49

	STR_02BE_DEFAULT,

    50

	STR_02BF_CUSTOM,

    51

	INVALID_STRING_ID

    52

};

    53

    54

static StringID *BuildDynamicDropdown(StringID base, int num)

    55

{

    56

	static StringID buf[32 + 1];

    57

	StringID *p = buf;

    58

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

    59

	*p = INVALID_STRING_ID;

    60

	return buf;

    61

}

    62

    63

static int GetCurRes(void)

    64

{

    65

	int i;

    66

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

    67

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

    68

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

    69

			break;

    70

	return i;

    71

}

    72

    73

static inline bool RoadVehiclesAreBuilt(void)

    74

{

    75

	const Vehicle *v;

    76

	FOR_ALL_VEHICLES(v) {

    77

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

    78

	}

    79

	return false;

    80

}

    81

    82

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

    83

{

    84

	switch (e->event) {

    85

	case WE_PAINT: {

    86

		int i;

    87

		StringID str = STR_02BE_DEFAULT;

    88

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

    89

		SetDParam(0, str);

    90

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

    91

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

    92

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

    93

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

    94

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

    95

		SetDParam(6, SPECSTR_LANGUAGE_START + _dynlang.curr);

    96

		i = GetCurRes();

    97

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

    98

		SetDParam(8, SPECSTR_SCREENSHOT_START + _cur_screenshot_format);

    99

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

   100

   101

		DrawWindowWidgets(w);

   102

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

   103

	}	break;

   104

   105

	case WE_CLICK:

   106

		switch (e->click.widget) {

   107

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

   108

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

   109

			return;

   110

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

   111

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

   112

			return;

   113

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

   114

			int i = 0;

   115

   116

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

   117

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

   118

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

   119

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

   120

   121

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

   122

		} return;

   123

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

   124

			int i = _opt_ptr->town_name;

   125

			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);

   126

			return;

   127

		}

   128

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

   129

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

   130

			return;

   131

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

   132

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

   133

			return;

   134

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

   135

			return;

   136

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

   137

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

   138

			return;

   139

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

   140

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

   141

			return;

   142

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

   143

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

   144

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

   145

			SetWindowDirty(w);

   146

			return;

   147

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

   148

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

   149

			return;

   150

		}

   151

		break;

   152

   153

	case WE_DROPDOWN_SELECT:

   154

		switch (e->dropdown.button) {

   155

		case 20: /* Vehicle design names */

   156

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

   157

				DeleteCustomEngineNames();

   158

				MarkWholeScreenDirty();

   159

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

   160

				LoadCustomEngineNames();

   161

				MarkWholeScreenDirty();

   162

			}

   163

			break;

   164

		case 5: /* Currency */

   165

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

   166

				ShowCustCurrency();

   167

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

   168

			MarkWholeScreenDirty();

   169

			break;

   170

		case 8: /* Distance units */

   171

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

   172

			MarkWholeScreenDirty();

   173

			break;

   174

		case 11: /* Road side */

   175

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

   176

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

   177

				MarkWholeScreenDirty();

   178

			}

   179

			break;

   180

		case 14: /* Town names */

   181

			if (_game_mode == GM_MENU) {

   182

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

   183

				InvalidateWindow(WC_GAME_OPTIONS, 0);

   184

			}

   185

			break;

   186

		case 17: /* Autosave options */

   187

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

   188

			SetWindowDirty(w);

   189

			break;

   190

		case 24: /* Change interface language */

   191

			ReadLanguagePack(e->dropdown.index);

   192

			MarkWholeScreenDirty();

   193

			break;

   194

		case 27: /* Change resolution */

   195

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

   196

				SetWindowDirty(w);

   197

			break;

   198

		case 31: /* Change screenshot format */

   199

			SetScreenshotFormat(e->dropdown.index);

   200

			SetWindowDirty(w);

   201

			break;

   202

		}

   203

		break;

   204

   205

	case WE_DESTROY:

   206

		DeleteWindowById(WC_CUSTOM_CURRENCY, 0);

   207

		break;

   208

	}

   209

   210

}

   211

   212

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

   213

 * @param x,y unused

   214

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

   215

 * @param p2 unused

   216

 */

   217

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

   218

{

   219

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

   220

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

   221

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

   222

   223

	if (flags & DC_EXEC) {

   224

		_opt_ptr->road_side = p1;

   225

		InvalidateWindow(WC_GAME_OPTIONS,0);

   226

	}

   227

	return 0;

   228

}

   229

   230

static const Widget _game_options_widgets[] = {

   231

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

   232

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

   233

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

   234

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

   235

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

   236

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

   237

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

   238

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

   239

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

   240

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

   241

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

   242

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

   243

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

   244

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

   245

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

   246

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

   247

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

   248

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

   249

   250

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

   251

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

   252

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

   253

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

   254

   255

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

   256

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

   257

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

   258

   259

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

   260

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

   261

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

   262

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

   263

   264

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

   265

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

   266

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

   267

   268

{   WIDGETS_END},

   269

};

   270

   271

static const WindowDesc _game_options_desc = {

   272

	WDP_CENTER, WDP_CENTER, 370, 239,

   273

	WC_GAME_OPTIONS,0,

   274

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   275

	_game_options_widgets,

   276

	GameOptionsWndProc

   277

};

   278

   279

   280

void ShowGameOptions(void)

   281

{

   282

	DeleteWindowById(WC_GAME_OPTIONS, 0);

   283

	AllocateWindowDesc(&_game_options_desc);

   284

}

   285

   286

typedef struct {

   287

	int16 min;

   288

	int16 max;

   289

	int16 step;

   290

	StringID str;

   291

} GameSettingData;

   292

   293

static const GameSettingData _game_setting_info[] = {

   294

	{  0,   7,  1, STR_NULL},

   295

	{  0,   3,  1, STR_6830_IMMEDIATE},

   296

	{  0,   2,  1, STR_6816_LOW},

   297

	{  0,   3,  1, STR_26816_NONE},

   298

	{100, 500, 50, STR_NULL},

   299

	{  2,   4,  1, STR_NULL},

   300

	{  0,   2,  1, STR_6820_LOW},

   301

	{  0,   4,  1, STR_681B_VERY_SLOW},

   302

	{  0,   2,  1, STR_6820_LOW},

   303

	{  0,   2,  1, STR_6823_NONE},

   304

	{  0,   3,  1, STR_6826_X1_5},

   305

	{  0,   2,  1, STR_6820_LOW},

   306

	{  0,   3,  1, STR_682A_VERY_FLAT},

   307

	{  0,   3,  1, STR_VERY_LOW},

   308

	{  0,   1,  1, STR_682E_STEADY},

   309

	{  0,   1,  1, STR_6834_AT_END_OF_LINE_AND_AT_STATIONS},

   310

	{  0,   1,  1, STR_6836_OFF},

   311

	{  0,   2,  1, STR_6839_PERMISSIVE},

   312

};

   313

   314

static inline bool GetBitAndShift(uint32 *b)

   315

{

   316

	uint32 x = *b;

   317

	*b >>= 1;

   318

	return HASBIT(x, 0);

   319

}

   320

   321

/*

   322

	A: competitors

   323

	B: start time in months / 3

   324

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

   325

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

   326

	E: inital loan / 1000 (in GBP)

   327

	F: interest rate

   328

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

   329

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

   330

	I: intelligence (0-2)

   331

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

   332

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

   333

	L: construction cost (0-2)

   334

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

   335

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

   336

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

   337

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

   338

	Q: disasters

   339

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

   340

*/

   341

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

   342

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

   343

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

   344

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

   345

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

   346

};

   347

   348

void SetDifficultyLevel(int mode, GameOptions *gm_opt)

   349

{

   350

	int i;

   351

	assert(mode <= 3);

   352

   353

	gm_opt->diff_level = mode;

   354

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

   355

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

   356

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

   357

	}

   358

}

   359

   360

extern void StartupEconomy(void);

   361

   362

enum {

   363

	GAMEDIFF_WND_TOP_OFFSET = 45,

   364

	GAMEDIFF_WND_ROWSIZE    = 9

   365

};

   366

   367

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

   368

static GameOptions _opt_mod_temp;

   369

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

   370

#define DIFF_INGAME_DISABLED_BUTTONS 0x383E

   371

   372

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

   373

{

   374

	switch (e->event) {

   375

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

   376

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

   377

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

   378

   379

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

   380

   381

		if (_networking) {

   382

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

   383

			if (!_network_server)

   384

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

   385

		}

   386

		break;

   387

	case WE_PAINT: {

   388

		uint32 click_a, click_b, disabled;

   389

		int i;

   390

		int y, value;

   391

   392

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

   393

		DrawWindowWidgets(w);

   394

   395

		click_a = _difficulty_click_a;

   396

		click_b = _difficulty_click_b;

   397

   398

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

   399

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

   400

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

   401

   402

		y = GAMEDIFF_WND_TOP_OFFSET;

   403

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

   404

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

   405

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

   406

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

   407

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

   408

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

   409

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

   410

			}

   411

   412

			DrawStringCentered(10, y, STR_6819, 0);

   413

			DrawStringCentered(20, y, STR_681A, 0);

   414

   415

   416

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

   417

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

   418

			SetDParam(0, value);

   419

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

   420

   421

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

   422

		}

   423

	} break;

   424

   425

	case WE_CLICK:

   426

		switch (e->click.widget) {

   427

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

   428

			const GameSettingData *info;

   429

			int x, y;

   430

			uint btn, dis;

   431

			int val;

   432

   433

			// Don't allow clients to make any changes

   434

			if  (_networking && !_network_server)

   435

				return;

   436

   437

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

   438

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

   439

				return;

   440

   441

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

   442

			if (y < 0)

   443

				return;

   444

   445

			// Get button from Y coord.

   446

			btn = y / (GAMEDIFF_WND_ROWSIZE + 2);

   447

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

   448

				return;

   449

   450

			// Clicked disabled button?

   451

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

   452

   453

			if (HASBIT(dis, btn))

   454

				return;

   455

   456

			_difficulty_timeout = 5;

   457

   458

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

   459

   460

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

   461

			if (x >= 10) {

   462

				// Increase button clicked

   463

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

   464

				SETBIT(_difficulty_click_b, btn);

   465

			} else {

   466

				// Decrease button clicked

   467

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

   468

				SETBIT(_difficulty_click_a, btn);

   469

			}

   470

   471

			// save value in temporary variable

   472

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

   473

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

   474

			SetWindowDirty(w);

   475

		}	break;

   476

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

   477

			// temporarily change difficulty level

   478

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

   479

			SetWindowDirty(w);

   480

			break;

   481

		case 7: /* Highscore Table */

   482

			ShowHighscoreTable(_opt_mod_temp.diff_level, -1);

   483

			break;

   484

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

   485

			int btn, val;

   486

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

   487

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

   488

				// if setting has changed, change it

   489

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

   490

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

   491

			}

   492

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

   493

			DeleteWindow(w);

   494

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

   495

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

   496

			//  are loaded correctly.

   497

			if (_game_mode == GM_EDITOR)

   498

				StartupEconomy();