1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "heightmap.h"

     6

#include "functions.h"

     7

#include "table/strings.h"

     8

#include "table/sprites.h"

     9

#include "window.h"

    10

#include "gui.h"

    11

#include "gfx.h"

    12

#include "strings.h"

    13

#include "gfxinit.h"

    14

#include "player.h"

    15

#include "command.h"

    16

#include "sound.h"

    17

#include "variables.h"

    18

#include "string.h"

    19

#include "settings.h"

    20

#include "debug.h"

    21

#include "genworld.h"

    22

#include "network/network.h"

    23

#include "thread.h"

    24

#include "date.h"

    25

#include "newgrf_config.h"

    26

    27

enum {

    28

	START_DATE_QUERY,

    29

	SNOW_LINE_QUERY,

    30

	FLAT_WORLD_HEIGHT_QUERY,

    31

    32

	LEN_RND_SEED = 11,

    33

	SEED_EDIT    = 15,

    34

};

    35

    36

/**

    37

 * In what 'mode' the GenerateLandscapeWindowProc is.

    38

 */

    39

typedef enum glwp_modes {

    40

	GLWP_GENERATE,

    41

	GLWP_HEIGHTMAP,

    42

	GLWP_SCENARIO,

    43

	GLWP_END

    44

} glwp_modes;

    45

    46

static uint _heightmap_x = 0;

    47

static uint _heightmap_y = 0;

    48

static StringID _heightmap_str = STR_NULL;

    49

static bool _goto_editor = false;

    50

    51

extern void SwitchMode(int new_mode);

    52

    53

static inline void SetNewLandscapeType(byte landscape)

    54

{

    55

	_opt_newgame.landscape = landscape;

    56

	InvalidateWindowClasses(WC_SELECT_GAME);

    57

	InvalidateWindowClasses(WC_GENERATE_LANDSCAPE);

    58

}

    59

    60

// no longer static to allow calling from outside module

    61

const Widget _generate_landscape_widgets[] = {

    62

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

    63

{    WWT_CAPTION, RESIZE_NONE, 13,  11, 337,   0,  13, STR_WORLD_GENERATION_CAPTION, STR_NULL},

    64

{      WWT_PANEL, RESIZE_NONE, 13,   0, 337,  14, 267, 0x0,                          STR_NULL},

    65

    66

{   WWT_IMGBTN_2, RESIZE_NONE, 12,  10,  86,  24,  78, SPR_SELECT_TEMPERATE,         STR_030E_SELECT_TEMPERATE_LANDSCAPE},

    67

{   WWT_IMGBTN_2, RESIZE_NONE, 12,  90, 166,  24,  78, SPR_SELECT_SUB_ARCTIC,        STR_030F_SELECT_SUB_ARCTIC_LANDSCAPE},

    68

{   WWT_IMGBTN_2, RESIZE_NONE, 12, 170, 246,  24,  78, SPR_SELECT_SUB_TROPICAL,      STR_0310_SELECT_SUB_TROPICAL_LANDSCAPE},

    69

{   WWT_IMGBTN_2, RESIZE_NONE, 12, 250, 326,  24,  78, SPR_SELECT_TOYLAND,           STR_0311_SELECT_TOYLAND_LANDSCAPE},

    70

    71

{      WWT_PANEL, RESIZE_NONE, 12, 114, 149,  90, 101, 0x0,                          STR_NULL},

    72

{    WWT_TEXTBTN, RESIZE_NONE, 12, 150, 161,  90, 101, STR_0225,                     STR_NULL}, // Mapsize X

    73

{      WWT_PANEL, RESIZE_NONE, 12, 180, 215,  90, 101, 0x0,                          STR_NULL},

    74

{    WWT_TEXTBTN, RESIZE_NONE, 12, 216, 227,  90, 101, STR_0225,                     STR_NULL}, // Mapsize Y

    75

    76

{      WWT_PANEL, RESIZE_NONE, 12, 114, 163, 112, 123, 0x0,                          STR_NULL},

    77

{    WWT_TEXTBTN, RESIZE_NONE, 12, 164, 175, 112, 123, STR_0225,                     STR_NULL}, // Number of towns

    78

{      WWT_PANEL, RESIZE_NONE, 12, 114, 163, 130, 141, 0x0,                          STR_NULL},

    79

{    WWT_TEXTBTN, RESIZE_NONE, 12, 164, 175, 130, 141, STR_0225,                     STR_NULL}, // Number of industries

    80

    81

{      WWT_PANEL, RESIZE_NONE, 15, 114, 207, 152, 163, 0x0,                          STR_RANDOM_SEED_HELP}, // Edit box for seed

    82

{    WWT_TEXTBTN, RESIZE_NONE, 12, 216, 326, 152, 163, STR_RANDOM,                   STR_RANDOM_HELP},

    83

    84

{    WWT_TEXTBTN, RESIZE_NONE,  6, 243, 326, 228, 257, STR_GENERATE,                 STR_NULL}, // Generate button

    85

    86

{     WWT_IMGBTN, RESIZE_NONE, 12, 216, 227, 112, 123, SPR_ARROW_DOWN,               STR_029E_MOVE_THE_STARTING_DATE},

    87

{      WWT_PANEL, RESIZE_NONE, 12, 228, 314, 112, 123, 0x0,                          STR_NULL},

    88

{     WWT_IMGBTN, RESIZE_NONE, 12, 315, 326, 112, 123, SPR_ARROW_UP,                 STR_029F_MOVE_THE_STARTING_DATE},

    89

    90

{     WWT_IMGBTN, RESIZE_NONE, 12, 282, 293, 130, 141, SPR_ARROW_DOWN,               STR_SNOW_LINE_DOWN},

    91

{      WWT_PANEL, RESIZE_NONE, 12, 294, 314, 130, 141, 0x0,                          STR_NULL},

    92

{     WWT_IMGBTN, RESIZE_NONE, 12, 315, 326, 130, 141, SPR_ARROW_UP,                 STR_SNOW_LINE_UP},

    93

    94

{      WWT_PANEL, RESIZE_NONE, 12, 114, 219, 192, 203, 0x0,                          STR_NULL},

    95

{    WWT_TEXTBTN, RESIZE_NONE, 12, 220, 231, 192, 203, STR_0225,                     STR_NULL}, // Tree placer

    96

    97

{      WWT_PANEL, RESIZE_NONE, 12, 114, 219, 174, 185, 0x0,                          STR_NULL},

    98

{    WWT_TEXTBTN, RESIZE_NONE, 12, 220, 231, 174, 185, STR_0225,                     STR_NULL}, // Landscape generator

    99

{      WWT_PANEL, RESIZE_NONE, 12, 114, 219, 210, 221, 0x0,                          STR_NULL},

   100

{    WWT_TEXTBTN, RESIZE_NONE, 12, 220, 231, 210, 221, STR_0225,                     STR_NULL}, // Terrain type

   101

{      WWT_PANEL, RESIZE_NONE, 12, 113, 219, 228, 239, 0x0,                          STR_NULL},

   102

{    WWT_TEXTBTN, RESIZE_NONE, 12, 220, 231, 228, 239, STR_0225,                     STR_NULL}, // Water quantity

   103

{      WWT_PANEL, RESIZE_NONE, 12, 113, 219, 246, 257, 0x0,                          STR_NULL},

   104

{    WWT_TEXTBTN, RESIZE_NONE, 12, 220, 231, 246, 257, STR_0225,                     STR_NULL}, // Map smoothness

   105

{   WIDGETS_END},

   106

};

   107

   108

const Widget _heightmap_load_widgets[] = {

   109

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

   110

{    WWT_CAPTION, RESIZE_NONE, 13,  11, 337,   0,  13, STR_WORLD_GENERATION_CAPTION, STR_NULL},

   111

{      WWT_PANEL, RESIZE_NONE, 13,   0, 337,  14, 235, 0x0,                          STR_NULL},

   112

   113

{   WWT_IMGBTN_2, RESIZE_NONE, 12,  10,  86,  24,  78, SPR_SELECT_TEMPERATE,        STR_030E_SELECT_TEMPERATE_LANDSCAPE},

   114

{   WWT_IMGBTN_2, RESIZE_NONE, 12,  90, 166,  24,  78, SPR_SELECT_SUB_ARCTIC,       STR_030F_SELECT_SUB_ARCTIC_LANDSCAPE},

   115

{   WWT_IMGBTN_2, RESIZE_NONE, 12, 170, 246,  24,  78, SPR_SELECT_SUB_TROPICAL,     STR_0310_SELECT_SUB_TROPICAL_LANDSCAPE},

   116

{   WWT_IMGBTN_2, RESIZE_NONE, 12, 250, 326,  24,  78, SPR_SELECT_TOYLAND,          STR_0311_SELECT_TOYLAND_LANDSCAPE},

   117

   118

{      WWT_PANEL, RESIZE_NONE, 12, 114, 149, 112, 123, 0x0,                          STR_NULL},

   119

{    WWT_TEXTBTN, RESIZE_NONE, 12, 150, 161, 112, 123, STR_0225,                     STR_NULL}, // Mapsize X

   120

{      WWT_PANEL, RESIZE_NONE, 12, 180, 215, 112, 123, 0x0,                          STR_NULL},

   121

{    WWT_TEXTBTN, RESIZE_NONE, 12, 216, 227, 112, 123, STR_0225,                     STR_NULL}, // Mapsize Y

   122

   123

{      WWT_PANEL, RESIZE_NONE, 12, 114, 163, 134, 145, 0x0,                          STR_NULL},

   124

{    WWT_TEXTBTN, RESIZE_NONE, 12, 164, 175, 134, 145, STR_0225,                     STR_NULL}, // Number of towns

   125

{      WWT_PANEL, RESIZE_NONE, 12, 114, 163, 152, 163, 0x0,                          STR_NULL},

   126

{    WWT_TEXTBTN, RESIZE_NONE, 12, 164, 175, 152, 163, STR_0225,                     STR_NULL}, // Number of industries

   127

   128

{      WWT_PANEL, RESIZE_NONE, 15, 114, 194, 174, 185, 0x0,                          STR_RANDOM_SEED_HELP}, // Edit box for seed

   129

{    WWT_TEXTBTN, RESIZE_NONE, 12, 203, 285, 174, 185, STR_RANDOM,                   STR_RANDOM_HELP},

   130

   131

{    WWT_TEXTBTN, RESIZE_NONE,  6, 243, 326, 196, 225, STR_GENERATE,                 STR_NULL}, // Generate button

   132

   133

{     WWT_IMGBTN, RESIZE_NONE, 12, 216, 227, 134, 145, SPR_ARROW_DOWN,               STR_029E_MOVE_THE_STARTING_DATE},

   134

{      WWT_PANEL, RESIZE_NONE, 12, 228, 314, 134, 145, 0x0,                          STR_NULL},

   135

{     WWT_IMGBTN, RESIZE_NONE, 12, 315, 326, 134, 145, SPR_ARROW_UP,                 STR_029F_MOVE_THE_STARTING_DATE},

   136

   137

{     WWT_IMGBTN, RESIZE_NONE, 12, 282, 293, 152, 163, SPR_ARROW_DOWN,               STR_SNOW_LINE_DOWN},

   138

{      WWT_PANEL, RESIZE_NONE, 12, 294, 314, 152, 163, 0x0,                          STR_NULL},

   139

{     WWT_IMGBTN, RESIZE_NONE, 12, 315, 326, 152, 163, SPR_ARROW_UP,                 STR_SNOW_LINE_UP},

   140

   141

{      WWT_PANEL, RESIZE_NONE, 12, 114, 219, 196, 207, 0x0,                          STR_NULL},

   142

{    WWT_TEXTBTN, RESIZE_NONE, 12, 220, 231, 196, 207, STR_0225,                     STR_NULL}, // Tree placer

   143

   144

{      WWT_PANEL, RESIZE_NONE, 12, 114, 219, 214, 225, 0x0,                          STR_NULL},

   145

{    WWT_TEXTBTN, RESIZE_NONE, 12, 220, 231, 214, 225, STR_0225,                     STR_NULL}, // Heightmap rotation

   146

{   WIDGETS_END},

   147

};

   148

   149

static void StartGeneratingLandscape(glwp_modes mode)

   150

{

   151

	/* If we want to go to the editor, and aren't yet, we need to delay

   152

	 *  it as long as possible, else it gives nasty side-effects (aborting

   153

	 *  results in ending up in the SE, which you don't want. Therefor we

   154

	 *  use this switch to do it at the very end.

   155

	 */

   156

	if (_goto_editor) _game_mode = GM_EDITOR;

   157

   158

	DeleteWindowByClass(WC_GENERATE_LANDSCAPE);

   159

	DeleteWindowByClass(WC_INDUSTRY_VIEW);

   160

	DeleteWindowByClass(WC_TOWN_VIEW);

   161

	DeleteWindowByClass(WC_LAND_INFO);

   162

   163

	/* Copy all XXX_newgame to XXX */

   164

	UpdatePatches();

   165

	_opt_ptr = &_opt;

   166

	*_opt_ptr = _opt_newgame;

   167

	ResetGRFConfig(true);

   168

   169

	SndPlayFx(SND_15_BEEP);

   170

	switch (mode) {

   171

	case GLWP_GENERATE:  _switch_mode = (_game_mode == GM_EDITOR) ? SM_GENRANDLAND    : SM_NEWGAME;         break;

   172

	case GLWP_HEIGHTMAP: _switch_mode = (_game_mode == GM_EDITOR) ? SM_LOAD_HEIGHTMAP : SM_START_HEIGHTMAP; break;

   173

	case GLWP_SCENARIO:  _switch_mode = SM_EDITOR; break;

   174

	default: NOT_REACHED(); return;

   175

	}

   176

}

   177

   178

static void HeightmapScaledTooMuchCallback(Window *w, bool confirmed)

   179

{

   180

	if (confirmed) StartGeneratingLandscape((glwp_modes)w->window_number);

   181

}

   182

   183

void GenerateLandscapeWndProc(Window *w, WindowEvent *e)

   184

{

   185

	static const StringID mapsizes[]    = {STR_64, STR_128, STR_256, STR_512, STR_1024, STR_2048, INVALID_STRING_ID};

   186

	static const StringID elevations[]  = {STR_682A_VERY_FLAT, STR_682B_FLAT, STR_682C_HILLY, STR_682D_MOUNTAINOUS, INVALID_STRING_ID};

   187

	static const StringID sea_lakes[]   = {STR_VERY_LOW, STR_6820_LOW, STR_6821_MEDIUM, STR_6822_HIGH, INVALID_STRING_ID};

   188

	static const StringID smoothness[]  = {STR_CONFIG_PATCHES_ROUGHNESS_OF_TERRAIN_VERY_SMOOTH, STR_CONFIG_PATCHES_ROUGHNESS_OF_TERRAIN_SMOOTH, STR_CONFIG_PATCHES_ROUGHNESS_OF_TERRAIN_ROUGH, STR_CONFIG_PATCHES_ROUGHNESS_OF_TERRAIN_VERY_ROUGH, INVALID_STRING_ID};

   189

	static const StringID tree_placer[] = {STR_CONFIG_PATCHES_TREE_PLACER_NONE, STR_CONFIG_PATCHES_TREE_PLACER_ORIGINAL, STR_CONFIG_PATCHES_TREE_PLACER_IMPROVED, INVALID_STRING_ID};

   190

	static const StringID rotation[]    = {STR_CONFIG_PATCHES_HEIGHTMAP_ROTATION_COUNTER_CLOCKWISE, STR_CONFIG_PATCHES_HEIGHTMAP_ROTATION_CLOCKWISE, INVALID_STRING_ID};

   191

	static const StringID landscape[]   = {STR_CONFIG_PATCHES_LAND_GENERATOR_ORIGINAL, STR_CONFIG_PATCHES_LAND_GENERATOR_TERRA_GENESIS, INVALID_STRING_ID};

   192

	static const StringID num_towns[]   = {STR_6816_LOW, STR_6817_NORMAL, STR_6818_HIGH, INVALID_STRING_ID};

   193

	static const StringID num_inds[]    = {STR_26816_NONE, STR_6816_LOW, STR_6817_NORMAL, STR_6818_HIGH, INVALID_STRING_ID};

   194

   195

	/* Data used for the generate seed edit box */

   196

	static querystr_d _genseed_query;

   197

	static char _genseed_buffer[LEN_RND_SEED];

   198

   199

	glwp_modes mode = (glwp_modes)w->window_number;

   200

	uint y;

   201

   202

	switch (e->event) {

   203

	case WE_CREATE:

   204

		LowerWindowWidget(w, _opt_newgame.landscape + 3);

   205

   206

		snprintf(_genseed_buffer, sizeof(_genseed_buffer), "%u", _patches_newgame.generation_seed);

   207

		InitializeTextBuffer(&_genseed_query.text, _genseed_buffer, lengthof(_genseed_buffer), 120);

   208

		_genseed_query.caption = STR_NULL;

   209

		_genseed_query.afilter = CS_NUMERAL;

   210

		break;

   211

   212

	case WE_PAINT:

   213

		/* You can't select smoothness if not terragenesis */

   214

		if (mode == GLWP_GENERATE) {

   215

			SetWindowWidgetDisabledState(w, 32, _patches_newgame.land_generator == 0);

   216

			SetWindowWidgetDisabledState(w, 33, _patches_newgame.land_generator == 0);

   217

		}

   218

		/* Disable snowline if not hilly */

   219

		SetWindowWidgetDisabledState(w, 22, _opt_newgame.landscape != LT_HILLY);

   220

		/* Disable town and industry in SE */

   221

		SetWindowWidgetDisabledState(w, 11, _game_mode == GM_EDITOR);

   222

		SetWindowWidgetDisabledState(w, 12, _game_mode == GM_EDITOR);

   223

		SetWindowWidgetDisabledState(w, 13, _game_mode == GM_EDITOR);

   224

		SetWindowWidgetDisabledState(w, 14, _game_mode == GM_EDITOR);

   225

		SetWindowWidgetDisabledState(w, 24, _game_mode == GM_EDITOR);

   226

		SetWindowWidgetDisabledState(w, 25, _game_mode == GM_EDITOR);

   227

   228

		SetWindowWidgetDisabledState(w, 18, _patches_newgame.starting_year <= MIN_YEAR);

   229

		SetWindowWidgetDisabledState(w, 20, _patches_newgame.starting_year >= MAX_YEAR);

   230

		SetWindowWidgetDisabledState(w, 21, _patches_newgame.snow_line_height <= 2 || _opt_newgame.landscape != LT_HILLY);

   231

		SetWindowWidgetDisabledState(w, 23, _patches_newgame.snow_line_height >= 13 || _opt_newgame.landscape != LT_HILLY);

   232

   233

		SetWindowWidgetLoweredState(w, 3, _opt_newgame.landscape == LT_NORMAL);

   234

		SetWindowWidgetLoweredState(w, 4, _opt_newgame.landscape == LT_HILLY);

   235

		SetWindowWidgetLoweredState(w, 5, _opt_newgame.landscape == LT_DESERT);

   236

		SetWindowWidgetLoweredState(w, 6, _opt_newgame.landscape == LT_CANDY);

   237

		DrawWindowWidgets(w);

   238

   239

		y = (mode == GLWP_HEIGHTMAP) ? 22 : 0;

   240

   241

		DrawString( 12,  91 + y, STR_MAPSIZE, 0);

   242

		DrawString(119,  91 + y, mapsizes[_patches_newgame.map_x - 6], 0x10);

   243

		DrawString(168,  91 + y, STR_BY, 0);

   244

		DrawString(182,  91 + y, mapsizes[_patches_newgame.map_y - 6], 0x10);

   245

   246

		DrawString( 12, 113 + y, STR_NUMBER_OF_TOWNS, 0);

   247

		DrawString( 12, 131 + y, STR_NUMBER_OF_INDUSTRIES, 0);

   248

		if (_game_mode == GM_EDITOR) {

   249

			DrawString(118, 113 + y, STR_6836_OFF, 0x10);

   250

			DrawString(118, 131 + y, STR_6836_OFF, 0x10);

   251

		} else {

   252

			DrawString(118, 113 + y, num_towns[_opt_newgame.diff.number_towns], 0x10);

   253

			DrawString(118, 131 + y, num_inds[_opt_newgame.diff.number_industries], 0x10);

   254

		}

   255

   256

		DrawString( 12, 153 + y, STR_RANDOM_SEED, 0);

   257

		DrawEditBox(w, &_genseed_query, SEED_EDIT);

   258

   259

		DrawString(182, 113 + y, STR_DATE, 0);

   260

		SetDParam(0, ConvertYMDToDate(_patches_newgame.starting_year, 0, 1));

   261

		DrawStringCentered(271, 113 + y, STR_GENERATE_DATE, 0);

   262

   263

		DrawString(182, 131 + y, STR_SNOW_LINE_HEIGHT, 0);

   264

		SetDParam(0, _patches_newgame.snow_line_height);

   265

		DrawStringCentered(303, 131 + y, STR_SNOW_LINE_HEIGHT_NUM, 0x10);

   266

   267

		if (mode == GLWP_GENERATE) {

   268

			DrawString( 12, 175, STR_LAND_GENERATOR, 0);

   269

			DrawString(118, 175, landscape[_patches_newgame.land_generator], 0x10);

   270

   271

			DrawString( 12, 193, STR_TREE_PLACER, 0);

   272

			DrawString(118, 193, tree_placer[_patches_newgame.tree_placer], 0x10);

   273

   274

			DrawString( 12, 211, STR_TERRAIN_TYPE, 0);

   275

			DrawString(118, 211, elevations[_opt_newgame.diff.terrain_type], 0x10);

   276

   277

			DrawString( 12, 229, STR_QUANTITY_OF_SEA_LAKES, 0);

   278

			DrawString(118, 229, sea_lakes[_opt_newgame.diff.quantity_sea_lakes], 0x10);

   279

   280

			DrawString( 12, 247, STR_SMOOTHNESS, 0);

   281

			DrawString(118, 247, smoothness[_patches_newgame.tgen_smoothness], 0x10);

   282

		} else {

   283

			char buffer[512];

   284

   285

			if (_patches_newgame.heightmap_rotation == HM_CLOCKWISE) {

   286

				SetDParam(0, _heightmap_y);

   287

				SetDParam(1, _heightmap_x);

   288

			} else {

   289

				SetDParam(0, _heightmap_x);

   290

				SetDParam(1, _heightmap_y);

   291

			}

   292

			GetString(buffer, STR_HEIGHTMAP_SIZE, lastof(buffer));

   293

			DrawStringRightAligned(326, 91, STR_HEIGHTMAP_SIZE, 0x10);

   294

   295

			DrawString( 12,  91, STR_HEIGHTMAP_NAME, 0x10);

   296

			SetDParam(0, _heightmap_str);

   297

			DrawStringTruncated(114,  91, STR_ORANGE, 0x10, 326 - 114 - GetStringBoundingBox(buffer).width - 5);

   298

   299

			DrawString( 12, 197, STR_TREE_PLACER, 0);

   300

			DrawString(118, 197, tree_placer[_patches_newgame.tree_placer], 0x10);

   301

   302

			DrawString( 12, 215, STR_HEIGHTMAP_ROTATION, 0);

   303

			DrawString(118, 215, rotation[_patches_newgame.heightmap_rotation], 0x10);

   304

		}

   305

   306

		break;

   307

	case WE_CLICK:

   308

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

   309

		case 0: DeleteWindow(w); break;

   310

		case 3: case 4: case 5: case 6:

   311

			RaiseWindowWidget(w, _opt_newgame.landscape + 3);

   312

			SetNewLandscapeType(e->we.click.widget - 3);

   313

			break;

   314

		case 7: case 8: // Mapsize X

   315

			ShowDropDownMenu(w, mapsizes, _patches_newgame.map_x - 6, 8, 0, 0);

   316

			break;

   317

		case 9: case 10: // Mapsize Y

   318

			ShowDropDownMenu(w, mapsizes, _patches_newgame.map_y - 6, 10, 0, 0);

   319

			break;

   320

		case 11: case 12: // Number of towns

   321

			ShowDropDownMenu(w, num_towns, _opt_newgame.diff.number_towns, 12, 0, 0);

   322

			break;

   323

		case 13: case 14: // Number of industries

   324

			ShowDropDownMenu(w, num_inds, _opt_newgame.diff.number_industries, 14, 0, 0);

   325

			break;

   326

		case 16: // Random seed

   327

			_patches_newgame.generation_seed = InteractiveRandom();

   328

			snprintf(_genseed_buffer, lengthof(_genseed_buffer), "%u", _patches_newgame.generation_seed);

   329

			UpdateTextBufferSize(&_genseed_query.text);

   330

			SetWindowDirty(w);

   331

			break;

   332

		case 17: // Generate

   333

			if (mode == GLWP_HEIGHTMAP && (

   334

					_heightmap_x * 2 < (1U << _patches_newgame.map_x) || _heightmap_x / 2 > (1U << _patches_newgame.map_x) ||

   335

					_heightmap_y * 2 < (1U << _patches_newgame.map_y) || _heightmap_y / 2 > (1U << _patches_newgame.map_y))) {

   336

				ShowQuery(

   337

					STR_HEIGHTMAP_SCALE_WARNING_CAPTION,

   338

					STR_HEIGHTMAP_SCALE_WARNING_MESSAGE,

   339

					w,

   340

					HeightmapScaledTooMuchCallback);

   341

			} else {

   342

				StartGeneratingLandscape(mode);

   343

			}

   344

			break;

   345

		case 18: case 20: // Year buttons

   346

			/* Don't allow too fast scrolling */

   347

			if ((w->flags4 & WF_TIMEOUT_MASK) <= 2 << WF_TIMEOUT_SHL) {

   348

				HandleButtonClick(w, e->we.click.widget);

   349

				SetWindowDirty(w);

   350

   351

				_patches_newgame.starting_year = clamp(_patches_newgame.starting_year + e->we.click.widget - 19, MIN_YEAR, MAX_YEAR);

   352

			}

   353

			_left_button_clicked = false;

   354

			break;

   355

		case 19: // Year text

   356

			WP(w, def_d).data_3 = START_DATE_QUERY;

   357

			SetDParam(0, _patches_newgame.starting_year);

   358

			ShowQueryString(STR_CONFIG_PATCHES_INT32, STR_START_DATE_QUERY_CAPT, 8, 100, w, CS_NUMERAL);

   359

			break;

   360

		case 21: case 23: // Snow line buttons

   361

			/* Don't allow too fast scrolling */

   362

			if ((w->flags4 & WF_TIMEOUT_MASK) <= 2 << WF_TIMEOUT_SHL) {

   363

				HandleButtonClick(w, e->we.click.widget);

   364

				SetWindowDirty(w);

   365

   366

				_patches_newgame.snow_line_height = clamp(_patches_newgame.snow_line_height + e->we.click.widget - 22, 2, 13);

   367

			}

   368

			_left_button_clicked = false;

   369

			break;

   370

		case 22: // Snow line text

   371

			WP(w, def_d).data_3 = SNOW_LINE_QUERY;

   372

			SetDParam(0, _patches_newgame.snow_line_height);

   373

			ShowQueryString(STR_CONFIG_PATCHES_INT32, STR_SNOW_LINE_QUERY_CAPT, 3, 100, w, CS_NUMERAL);

   374

			break;

   375

		case 24: case 25: // Tree placer

   376

			ShowDropDownMenu(w, tree_placer, _patches_newgame.tree_placer, 25, 0, 0);

   377

			break;

   378

		case 26: case 27: // Landscape generator OR Heightmap rotation

   379

			if (mode == GLWP_HEIGHTMAP) {

   380

				ShowDropDownMenu(w, rotation, _patches_newgame.heightmap_rotation, 27, 0, 0);

   381

			} else {

   382

				ShowDropDownMenu(w, landscape, _patches_newgame.land_generator, 27, 0, 0);

   383

			}

   384

			break;

   385

		case 28: case 29: // Terrain type

   386

			ShowDropDownMenu(w, elevations, _opt_newgame.diff.terrain_type, 29, 0, 0);

   387

			break;

   388

		case 30: case 31: // Water quantity

   389

			ShowDropDownMenu(w, sea_lakes, _opt_newgame.diff.quantity_sea_lakes, 31, 0, 0);

   390

			break;

   391

		case 32: case 33: // Map smoothness

   392

			ShowDropDownMenu(w, smoothness, _patches_newgame.tgen_smoothness, 33, 0, 0);

   393

			break;

   394

		}

   395

		break;

   396

   397

	case WE_MOUSELOOP:

   398

		HandleEditBox(w, &_genseed_query, SEED_EDIT);

   399

		break;

   400

   401

	case WE_KEYPRESS:

   402

		HandleEditBoxKey(w, &_genseed_query, SEED_EDIT, e);

   403

		/* the seed is unsigned, therefore atoi cannot be used.

   404

		 * As 2^32 - 1 (MAX_UVALUE(uint32)) is a 'magic' value

   405

		 * (use random seed) it should not be possible to be

   406

		 * entered into the input field; the generate seed

   407

		 * button can be used instead. */

   408

		_patches_newgame.generation_seed = minu(strtoul(_genseed_buffer, NULL, sizeof(_genseed_buffer) - 1), MAX_UVALUE(uint32) - 1);

   409

		break;

   410

   411

	case WE_DROPDOWN_SELECT:

   412

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

   413

			case 8:  _patches_newgame.map_x = e->we.dropdown.index + 6; break;

   414

			case 10: _patches_newgame.map_y = e->we.dropdown.index + 6; break;

   415

			case 12:

   416

				_opt_newgame.diff.number_towns = e->we.dropdown.index;

   417

				if (_opt_newgame.diff_level != 3) ShowErrorMessage(INVALID_STRING_ID, STR_DIFFICULTY_TO_CUSTOM, 0, 0);

   418

				DoCommandP(0, 2, _opt_newgame.diff.number_towns, NULL, CMD_CHANGE_DIFFICULTY_LEVEL);

   419

				break;

   420

			case 14:

   421

				_opt_newgame.diff.number_industries = e->we.dropdown.index;

   422

				if (_opt_newgame.diff_level != 3) ShowErrorMessage(INVALID_STRING_ID, STR_DIFFICULTY_TO_CUSTOM, 0, 0);

   423

				DoCommandP(0, 3, _opt_newgame.diff.number_industries, NULL, CMD_CHANGE_DIFFICULTY_LEVEL);

   424

				break;

   425

			case 25:

   426

				_patches_newgame.tree_placer = e->we.dropdown.index;

   427

				break;

   428

			case 27:

   429

				if (mode == GLWP_HEIGHTMAP) {

   430

					_patches_newgame.heightmap_rotation = e->we.dropdown.index;

   431

				} else {

   432

					_patches_newgame.land_generator = e->we.dropdown.index;

   433

				}

   434

				break;

   435

			case 29:

   436

				_opt_newgame.diff.terrain_type = e->we.dropdown.index;

   437

				if (_opt_newgame.diff_level != 3) ShowErrorMessage(INVALID_STRING_ID, STR_DIFFICULTY_TO_CUSTOM, 0, 0);

   438

				DoCommandP(0, 12, _opt_newgame.diff.terrain_type, NULL, CMD_CHANGE_DIFFICULTY_LEVEL);

   439

				break;

   440

			case 31:

   441

				_opt_newgame.diff.quantity_sea_lakes = e->we.dropdown.index;

   442

				if (_opt_newgame.diff_level != 3) ShowErrorMessage(INVALID_STRING_ID, STR_DIFFICULTY_TO_CUSTOM, 0, 0);

   443

				DoCommandP(0, 13, _opt_newgame.diff.quantity_sea_lakes, NULL, CMD_CHANGE_DIFFICULTY_LEVEL);

   444

				break;

   445

			case 33:

   446

				_patches_newgame.tgen_smoothness = e->we.dropdown.index;

   447

				break;

   448

		}

   449

		SetWindowDirty(w);

   450

		break;

   451

   452

	case WE_ON_EDIT_TEXT: {

   453

		if (e->we.edittext.str != NULL) {

   454

			int32 value = atoi(e->we.edittext.str);

   455

   456

			switch (WP(w, def_d).data_3) {

   457

			case START_DATE_QUERY:

   458

				InvalidateWidget(w, 19);

   459

				_patches_newgame.starting_year = clamp(value, MIN_YEAR, MAX_YEAR);

   460

				break;

   461

			case SNOW_LINE_QUERY:

   462

				InvalidateWidget(w, 22);

   463

				_patches_newgame.snow_line_height = clamp(value, 2, 13);

   464

				break;

   465

			}

   466

   467

			SetWindowDirty(w);

   468

		}

   469

		break;

   470

	}

   471

	}

   472

}

   473

   474

const WindowDesc _generate_landscape_desc = {

   475

	WDP_CENTER, WDP_CENTER, 338, 268,

   476

	WC_GENERATE_LANDSCAPE, 0,

   477

	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   478

	_generate_landscape_widgets,

   479

	GenerateLandscapeWndProc,

   480

};

   481

   482

const WindowDesc _heightmap_load_desc = {

   483

	WDP_CENTER, WDP_CENTER, 338, 236,

   484

	WC_GENERATE_LANDSCAPE, 0,

   485

	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   486

	_heightmap_load_widgets,

   487

	GenerateLandscapeWndProc,

   488

};

   489

   490

static void _ShowGenerateLandscape(glwp_modes mode)

   491

{

   492

	Window *w;

   493

   494

	/* Don't kill WC_GENERATE_LANDSCAPE:GLWP_SCENARIO, because it resets

   495

	 *  _goto_editor, which we maybe need later on. */

   496

	DeleteWindowById(WC_GENERATE_LANDSCAPE, GLWP_GENERATE);

   497

	DeleteWindowById(WC_GENERATE_LANDSCAPE, GLWP_HEIGHTMAP);

   498

   499

	/* Always give a new seed if not editor */

   500

	if (_game_mode != GM_EDITOR) _patches_newgame.generation_seed = InteractiveRandom();

   501

   502

	if (mode == GLWP_HEIGHTMAP) {

   503

		if (_heightmap_str != STR_NULL) DeleteName(_heightmap_str);

   504

   505

		_heightmap_x = 0;

   506

		_heightmap_y = 0;

   507

		_heightmap_str = AllocateName(_file_to_saveload.title, 0);

   508

		/* If the function returns negative, it means there was a problem loading the heightmap */

   509

		if (!GetHeightmapDimensions(_file_to_saveload.name, &_heightmap_x, &_heightmap_y))