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"

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#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.h"

    23

#include "thread.h"

    24

#include "date.h"

    25

    26

enum {

    27

	START_DATE_QUERY,

    28

	SNOW_LINE_QUERY,

    29

	FLAT_WORLD_HEIGHT_QUERY,

    30

    31

	LEN_RND_SEED = 11,

    32

	SEED_EDIT    = 15,

    33

};

    34

    35

/**

    36

 * In what 'mode' the GenerateLandscapeWindowProc is.

    37

 */

    38

typedef enum glwp_modes {

    39

	GLWP_GENERATE,

    40

	GLWP_HEIGHTMAP,

    41

	GLWP_SCENARIO,

    42

	GLWP_END

    43

} glwp_modes;

    44

    45

static char _edit_str_buf[LEN_RND_SEED];

    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_IMGBTN, RESIZE_NONE, 13,   0, 337,  14, 267, STR_NULL,                     STR_NULL},

    65

    66

{    WWT_PANEL_2, RESIZE_NONE, 12,  10,  86,  24,  78, 0x1312,                       STR_030E_SELECT_TEMPERATE_LANDSCAPE},

    67

{    WWT_PANEL_2, RESIZE_NONE, 12,  90, 166,  24,  78, 0x1314,                       STR_030F_SELECT_SUB_ARCTIC_LANDSCAPE},

    68

{    WWT_PANEL_2, RESIZE_NONE, 12, 170, 246,  24,  78, 0x1316,                       STR_0310_SELECT_SUB_TROPICAL_LANDSCAPE},

    69

{    WWT_PANEL_2, RESIZE_NONE, 12, 250, 326,  24,  78, 0x1318,                       STR_0311_SELECT_TOYLAND_LANDSCAPE},

    70

    71

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

    79

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

    80

    81

{     WWT_IMGBTN, RESIZE_NONE, 15, 114, 207, 152, 163, STR_NULL,                     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, STR_NULL,                     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, STR_NULL,                     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, STR_NULL,                     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, STR_NULL,                     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, STR_NULL,                     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_IMGBTN, RESIZE_NONE, 13,   0, 337,  14, 235, STR_NULL,                     STR_NULL},

   112

   113

{    WWT_PANEL_2, RESIZE_NONE, 12,  10,  86,  24,  78, 0x1312,                       STR_030E_SELECT_TEMPERATE_LANDSCAPE},

   114

{    WWT_PANEL_2, RESIZE_NONE, 12,  90, 166,  24,  78, 0x1314,                       STR_030F_SELECT_SUB_ARCTIC_LANDSCAPE},

   115

{    WWT_PANEL_2, RESIZE_NONE, 12, 170, 246,  24,  78, 0x1316,                       STR_0310_SELECT_SUB_TROPICAL_LANDSCAPE},

   116

{    WWT_PANEL_2, RESIZE_NONE, 12, 250, 326,  24,  78, 0x1318,                       STR_0311_SELECT_TOYLAND_LANDSCAPE},

   117

   118

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

   126

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

   127

   128

{     WWT_IMGBTN, RESIZE_NONE, 15, 114, 194, 174, 185, STR_NULL,                     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, STR_NULL,                     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, STR_NULL,                     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

	memcpy(_opt_ptr, &_opt_newgame, sizeof(GameOptions));

   167

	/* Load the right landscape stuff */

   168

	GfxLoadSprites();

   169

   170

	SndPlayFx(SND_15_BEEP);

   171

	switch (mode) {

   172

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

   173

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

   174

	case GLWP_SCENARIO:  _switch_mode = SM_EDITOR; break;

   175

	default: NOT_REACHED(); return;

   176

	}

   177

}

   178

   179

static void HeightmapScaledTooMuchCallback(bool ok_clicked)

   180

{

   181

	if (ok_clicked) {

   182

		Window *w;

   183

		glwp_modes mode = 0;

   184

		for (mode = 0; mode < GLWP_END; mode++) {

   185

			w = FindWindowById(WC_GENERATE_LANDSCAPE, mode);

   186

			if (w != NULL) StartGeneratingLandscape(mode);

   187

		}

   188

	}

   189

}

   190

   191

void GenerateLandscapeWndProc(Window *w, WindowEvent *e)

   192

{

   193

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

   194

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

   195

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

   196

	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};

   197

	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};

   198

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

   199

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

   200

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

   201

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

   202

   203

	uint mode = w->window_number;

   204

	uint y;

   205

   206

	switch (e->event) {

   207

	case WE_CREATE: LowerWindowWidget(w, _opt_newgame.landscape + 3); break;

   208

   209

	case WE_PAINT:

   210

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

   211

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

   212

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

   213

		/* Disable snowline if not hilly */

   214

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

   215

		/* Disable town and industry in SE */

   216

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

   217

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

   218

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

   219

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

   220

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

   221

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

   222

   223

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

   224

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

   225

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

   226

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

   227

   228

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

   229

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

   230

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

   231

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

   232

		DrawWindowWidgets(w);

   233

   234

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

   235

   236

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

   237

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

   238

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

   239

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

   240

   241

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

   242

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

   243

		if (_game_mode == GM_EDITOR) {

   244

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

   245

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

   246

		} else {

   247

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

   248

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

   249

		}

   250

   251

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

   252

		DrawEditBox(w, &WP(w, querystr_d), SEED_EDIT);

   253

   254

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

   255

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

   256

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

   257

   258

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

   259

		SetDParam(0, _patches_newgame.snow_line_height);

   260

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

   261

   262

		if (mode == GLWP_GENERATE) {

   263

			DrawString( 12, 175, STR_LAND_GENERATOR, 0);

   264

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

   265

   266

			DrawString( 12, 193, STR_TREE_PLACER, 0);

   267

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

   268

   269

			DrawString( 12, 211, STR_TERRAIN_TYPE, 0);

   270

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

   271

   272

			DrawString( 12, 229, STR_QUANTITY_OF_SEA_LAKES, 0);

   273

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

   274

   275

			DrawString( 12, 247, STR_SMOOTHNESS, 0);

   276

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

   277

		} else {

   278

			char buffer[512];

   279

   280

			if (_patches_newgame.heightmap_rotation == HM_CLOCKWISE) {

   281

				SetDParam(0, _heightmap_y);

   282

				SetDParam(1, _heightmap_x);

   283

			} else {

   284

				SetDParam(0, _heightmap_x);

   285

				SetDParam(1, _heightmap_y);

   286

			}

   287

			GetString(buffer, STR_HEIGHTMAP_SIZE);

   288

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

   289

   290

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

   291

			SetDParam(0, _heightmap_str);

   292

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

   293

   294

			DrawString( 12, 197, STR_TREE_PLACER, 0);

   295

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

   296

   297

			DrawString( 12, 215, STR_HEIGHTMAP_ROTATION, 0);

   298

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

   299

		}

   300

   301

		break;

   302

	case WE_CLICK:

   303

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

   304

		case 0: DeleteWindow(w); break;

   305

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

   306

			RaiseWindowWidget(w, _opt_newgame.landscape + 3);

   307

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

   308

			break;

   309

		case 7: case 8: // Mapsize X

   310

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

   311

			break;

   312

		case 9: case 10: // Mapsize Y

   313

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

   314

			break;

   315

		case 11: case 12: // Number of towns

   316

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

   317

			break;

   318

		case 13: case 14: // Number of industries

   319

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

   320

			break;

   321

		case 16: // Random seed

   322

			_patches_newgame.generation_seed = InteractiveRandom();

   323

			ttd_strlcpy(_edit_str_buf, str_fmt("%u", _patches_newgame.generation_seed), lengthof(_edit_str_buf));

   324

			UpdateTextBufferSize(&((querystr_d *)&WP(w, querystr_d))->text);

   325

			SetWindowDirty(w);

   326

			break;

   327

		case 17: // Generate

   328

			if (mode == GLWP_HEIGHTMAP && (

   329

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

   330

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

   331

				ShowQuery(STR_HEIGHTMAP_SCALE_WARNING_CAPTION, STR_HEIGHTMAP_SCALE_WARNING_MESSAGE, HeightmapScaledTooMuchCallback, WC_GENERATE_LANDSCAPE, mode);

   332

			} else {

   333

				StartGeneratingLandscape(mode);

   334

			}

   335

			break;

   336

		case 18: case 20: // Year buttons

   337

			/* Don't allow too fast scrolling */

   338

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

   339

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

   340

				SetWindowDirty(w);

   341

   342

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

   343

			}

   344

			_left_button_clicked = false;

   345

			break;

   346

		case 19: // Year text

   347

			WP(w, def_d).data_3 = START_DATE_QUERY;

   348

			SetDParam(0, _patches_newgame.starting_year);

   349

			ShowQueryString(STR_CONFIG_PATCHES_INT32, STR_START_DATE_QUERY_CAPT, 8, 100, WC_GENERATE_LANDSCAPE, mode, CS_NUMERAL);

   350

			break;

   351

		case 21: case 23: // Snow line buttons

   352

			/* Don't allow too fast scrolling */

   353

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

   354

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

   355

				SetWindowDirty(w);

   356

   357

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

   358

			}

   359

			_left_button_clicked = false;

   360

			break;

   361

		case 22: // Snow line text

   362

			WP(w, def_d).data_3 = SNOW_LINE_QUERY;

   363

			SetDParam(0, _patches_newgame.snow_line_height);

   364

			ShowQueryString(STR_CONFIG_PATCHES_INT32, STR_SNOW_LINE_QUERY_CAPT, 3, 100, WC_GENERATE_LANDSCAPE, mode, CS_NUMERAL);

   365

			break;

   366

		case 24: case 25: // Tree placer

   367

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

   368

			break;

   369

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

   370

			if (mode == GLWP_HEIGHTMAP) {

   371

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

   372

			} else {

   373

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

   374

			}

   375

			break;

   376

		case 28: case 29: // Terrain type

   377

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

   378

			break;

   379

		case 30: case 31: // Water quantity

   380

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

   381

			break;

   382

		case 32: case 33: // Map smoothness

   383

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

   384

			break;

   385

		}

   386

		break;

   387

   388

	case WE_MESSAGE:

   389

		ttd_strlcpy(_edit_str_buf, str_fmt("%u", _patches_newgame.generation_seed), lengthof(_edit_str_buf));

   390

		DrawEditBox(w, &WP(w, querystr_d), SEED_EDIT);

   391

		break;

   392

   393

	case WE_MOUSELOOP:

   394

		HandleEditBox(w, &WP(w, querystr_d), SEED_EDIT);

   395

		break;

   396

   397

	case WE_KEYPRESS:

   398

		HandleEditBoxKey(w, &WP(w, querystr_d), SEED_EDIT, e, CS_NUMERAL);

   399

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

   400

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

   401

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

   402

		 * entered into the input field; the generate seed

   403

		 * button can be used instead. */

   404

		_patches_newgame.generation_seed = minu(strtoul(_edit_str_buf, NULL, 10), MAX_UVALUE(uint32) - 1);

   405

		break;

   406

   407

	case WE_DROPDOWN_SELECT:

   408

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

   409

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

   410

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

   411

			case 12:

   412

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

   413

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

   414

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

   415

				break;

   416

			case 14:

   417

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

   418

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

   419

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

   420

				break;

   421

			case 25:

   422

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

   423

				break;

   424

			case 27:

   425

				if (mode == GLWP_HEIGHTMAP) {

   426

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

   427

				} else {

   428

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

   429

				}

   430

				break;

   431

			case 29:

   432

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

   433

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

   434

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

   435

				break;

   436

			case 31:

   437

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

   438

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

   439

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

   440

				break;

   441

			case 33:

   442

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

   443

				break;

   444

		}

   445

		SetWindowDirty(w);

   446

		break;

   447

   448

	case WE_ON_EDIT_TEXT: {

   449

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

   450

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

   451

   452

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

   453

			case START_DATE_QUERY:

   454

				InvalidateWidget(w, 19);

   455

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

   456

				break;

   457

			case SNOW_LINE_QUERY:

   458

				InvalidateWidget(w, 22);

   459

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

   460

				break;

   461

			}

   462

   463

			SetWindowDirty(w);

   464

		}

   465

		break;

   466

	}

   467

	}

   468

}

   469

   470

const WindowDesc _generate_landscape_desc = {

   471

	WDP_CENTER, WDP_CENTER, 338, 268,

   472

	WC_GENERATE_LANDSCAPE, 0,

   473

	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   474

	_generate_landscape_widgets,

   475

	GenerateLandscapeWndProc,

   476

};

   477

   478

const WindowDesc _heightmap_load_desc = {

   479

	WDP_CENTER, WDP_CENTER, 338, 236,

   480

	WC_GENERATE_LANDSCAPE, 0,

   481

	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   482

	_heightmap_load_widgets,

   483

	GenerateLandscapeWndProc,

   484

};

   485

   486

static void _ShowGenerateLandscape(glwp_modes mode)

   487

{

   488

	Window *w;

   489

   490

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

   491

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

   492

	DeleteWindowById(WC_GENERATE_LANDSCAPE, GLWP_GENERATE);

   493

	DeleteWindowById(WC_GENERATE_LANDSCAPE, GLWP_HEIGHTMAP);

   494

   495

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

   496

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

   497

   498

	if (mode == GLWP_HEIGHTMAP) {

   499

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

   500

   501

		_heightmap_x = 0;

   502

		_heightmap_y = 0;

   503

		_heightmap_str = AllocateName(_file_to_saveload.title, 0);

   504

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

   505

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

   506

			return;

   507

	}

   508

   509

	w = AllocateWindowDescFront((mode == GLWP_HEIGHTMAP) ? &_heightmap_load_desc : &_generate_landscape_desc, mode);

   510

   511

	if (w != NULL) {

   512

		querystr_d *querystr = &WP(w, querystr_d);

   513

   514

		ttd_strlcpy(_edit_str_buf, str_fmt("%u", _patches_newgame.generation_seed), lengthof(_edit_str_buf));

   515