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"

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#include "player.h"

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#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_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

   168

	SndPlayFx(SND_15_BEEP);

   169

	switch (mode) {

   170

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

   171

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

   172

	case GLWP_SCENARIO:  _switch_mode = SM_EDITOR; break;

   173

	default: NOT_REACHED(); return;

   174

	}

   175

}

   176

   177

static void HeightmapScaledTooMuchCallback(bool ok_clicked)

   178

{

   179

	if (ok_clicked) {

   180

		Window *w;

   181

		glwp_modes mode = 0;

   182

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

   183

			w = FindWindowById(WC_GENERATE_LANDSCAPE, mode);

   184

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

   185

		}

   186

	}

   187

}

   188

   189

void GenerateLandscapeWndProc(Window *w, WindowEvent *e)

   190

{

   191

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

   192

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

   193

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

   194

	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};

   195

	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};

   196

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

   197

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

   198

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

   199

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

   200

   201

	uint mode = w->window_number;

   202

	uint y;

   203

   204

	switch (e->event) {

   205

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

   206

   207

	case WE_PAINT:

   208

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

   209

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

   210

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

   211

		/* Disable snowline if not hilly */

   212

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

   213

		/* Disable town and industry in SE */

   214

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

   215

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

   216

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

   217

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

   218

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

   219

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

   220

   221

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

   222

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

   223

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

   224

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

   225

   226

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

   227

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

   228

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

   229

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

   230

		DrawWindowWidgets(w);

   231

   232

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

   233

   234

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

   235

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

   236

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

   237

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

   238

   239

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

   240

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

   241

		if (_game_mode == GM_EDITOR) {

   242

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

   243

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

   244

		} else {

   245

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

   246

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

   247

		}

   248

   249

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

   250

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

   251

   252

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

   253

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

   254

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

   255

   256

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

   257

		SetDParam(0, _patches_newgame.snow_line_height);

   258

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

   259

   260

		if (mode == GLWP_GENERATE) {

   261

			DrawString( 12, 175, STR_LAND_GENERATOR, 0);

   262

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

   263

   264

			DrawString( 12, 193, STR_TREE_PLACER, 0);

   265

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

   266

   267

			DrawString( 12, 211, STR_TERRAIN_TYPE, 0);

   268

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

   269

   270

			DrawString( 12, 229, STR_QUANTITY_OF_SEA_LAKES, 0);

   271

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

   272

   273

			DrawString( 12, 247, STR_SMOOTHNESS, 0);

   274

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

   275

		} else {

   276

			char buffer[512];

   277

   278

			if (_patches_newgame.heightmap_rotation == HM_CLOCKWISE) {

   279

				SetDParam(0, _heightmap_y);

   280

				SetDParam(1, _heightmap_x);

   281

			} else {

   282

				SetDParam(0, _heightmap_x);

   283

				SetDParam(1, _heightmap_y);

   284

			}

   285

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

   286

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

   287

   288

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

   289

			SetDParam(0, _heightmap_str);

   290

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

   291

   292

			DrawString( 12, 197, STR_TREE_PLACER, 0);

   293

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

   294

   295

			DrawString( 12, 215, STR_HEIGHTMAP_ROTATION, 0);

   296

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

   297

		}

   298

   299

		break;

   300

	case WE_CLICK:

   301

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

   302

		case 0: DeleteWindow(w); break;

   303

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

   304

			RaiseWindowWidget(w, _opt_newgame.landscape + 3);

   305

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

   306

			break;

   307

		case 7: case 8: // Mapsize X

   308

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

   309

			break;

   310

		case 9: case 10: // Mapsize Y

   311

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

   312

			break;

   313

		case 11: case 12: // Number of towns

   314

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

   315

			break;

   316

		case 13: case 14: // Number of industries

   317

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

   318

			break;

   319

		case 16: // Random seed

   320

			_patches_newgame.generation_seed = InteractiveRandom();

   321

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

   322

			UpdateTextBufferSize(&WP(w, querystr_d).text);

   323

			SetWindowDirty(w);

   324

			break;

   325

		case 17: // Generate

   326

			if (mode == GLWP_HEIGHTMAP && (

   327

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

   328

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

   329

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

   330

			} else {

   331

				StartGeneratingLandscape(mode);

   332

			}

   333

			break;

   334

		case 18: case 20: // Year buttons

   335

			/* Don't allow too fast scrolling */

   336

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

   337

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

   338

				SetWindowDirty(w);

   339

   340

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

   341

			}

   342

			_left_button_clicked = false;

   343

			break;

   344

		case 19: // Year text

   345

			WP(w, def_d).data_3 = START_DATE_QUERY;

   346

			SetDParam(0, _patches_newgame.starting_year);

   347

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

   348

			break;

   349

		case 21: case 23: // Snow line buttons

   350

			/* Don't allow too fast scrolling */

   351

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

   352

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

   353

				SetWindowDirty(w);

   354

   355

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

   356

			}

   357

			_left_button_clicked = false;

   358

			break;

   359

		case 22: // Snow line text

   360

			WP(w, def_d).data_3 = SNOW_LINE_QUERY;

   361

			SetDParam(0, _patches_newgame.snow_line_height);

   362

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

   363

			break;

   364

		case 24: case 25: // Tree placer

   365

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

   366

			break;

   367

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

   368

			if (mode == GLWP_HEIGHTMAP) {

   369

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

   370

			} else {

   371

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

   372

			}

   373

			break;

   374

		case 28: case 29: // Terrain type

   375

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

   376

			break;

   377

		case 30: case 31: // Water quantity

   378

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

   379

			break;

   380

		case 32: case 33: // Map smoothness

   381

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

   382

			break;

   383

		}

   384

		break;

   385

   386

	case WE_MOUSELOOP:

   387

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

   388

		break;

   389

   390

	case WE_KEYPRESS:

   391

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

   392

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

   393

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

   394

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

   395

		 * entered into the input field; the generate seed

   396

		 * button can be used instead. */

   397

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

   398

		break;

   399

   400

	case WE_DROPDOWN_SELECT:

   401

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

   402

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

   403

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

   404

			case 12:

   405

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

   406

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

   407

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

   408

				break;

   409

			case 14:

   410

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

   411

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

   412

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

   413

				break;

   414

			case 25:

   415

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

   416

				break;

   417

			case 27:

   418

				if (mode == GLWP_HEIGHTMAP) {

   419

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

   420

				} else {

   421

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

   422

				}

   423

				break;

   424

			case 29:

   425

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

   426

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

   427

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

   428

				break;

   429

			case 31:

   430

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

   431

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

   432

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

   433

				break;

   434

			case 33:

   435

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

   436

				break;

   437

		}

   438

		SetWindowDirty(w);

   439

		break;

   440

   441

	case WE_ON_EDIT_TEXT: {

   442

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

   443

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

   444

   445

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

   446

			case START_DATE_QUERY:

   447

				InvalidateWidget(w, 19);

   448

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

   449

				break;

   450

			case SNOW_LINE_QUERY:

   451

				InvalidateWidget(w, 22);

   452

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

   453

				break;

   454

			}

   455

   456

			SetWindowDirty(w);

   457

		}

   458

		break;

   459

	}

   460

	}

   461

}

   462

   463

const WindowDesc _generate_landscape_desc = {

   464

	WDP_CENTER, WDP_CENTER, 338, 268,

   465

	WC_GENERATE_LANDSCAPE, 0,

   466

	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   467

	_generate_landscape_widgets,

   468

	GenerateLandscapeWndProc,

   469

};

   470

   471

const WindowDesc _heightmap_load_desc = {

   472

	WDP_CENTER, WDP_CENTER, 338, 236,

   473

	WC_GENERATE_LANDSCAPE, 0,

   474

	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   475

	_heightmap_load_widgets,

   476

	GenerateLandscapeWndProc,

   477

};

   478

   479

static void _ShowGenerateLandscape(glwp_modes mode)

   480

{

   481

	Window *w;

   482

   483

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

   484

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

   485

	DeleteWindowById(WC_GENERATE_LANDSCAPE, GLWP_GENERATE);

   486

	DeleteWindowById(WC_GENERATE_LANDSCAPE, GLWP_HEIGHTMAP);

   487

   488

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

   489

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

   490

   491

	if (mode == GLWP_HEIGHTMAP) {

   492

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

   493

   494

		_heightmap_x = 0;

   495

		_heightmap_y = 0;

   496

		_heightmap_str = AllocateName(_file_to_saveload.title, 0);

   497

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

   498

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

   499

			return;

   500

	}

   501

   502

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

   503

   504

	if (w != NULL) {

   505

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

   506

   507

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

   508

   509

		InitializeTextBuffer(&querystr->text, _edit_str_buf, lengthof(_edit_str_buf), 120);

   510

		querystr->caption = STR_NULL;

   511

		querystr->afilter = CS_NUMERAL;

   512