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.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 char _edit_str_buf[LEN_RND_SEED];

    47

static uint _heightmap_x = 0;

    48

static uint _heightmap_y = 0;

    49

static StringID _heightmap_str = STR_NULL;

    50

static bool _goto_editor = false;

    51

    52

extern void SwitchMode(int new_mode);

    53

    54

static inline void SetNewLandscapeType(byte landscape)

    55

{

    56

	_opt_newgame.landscape = landscape;

    57

	InvalidateWindowClasses(WC_SELECT_GAME);

    58

	InvalidateWindowClasses(WC_GENERATE_LANDSCAPE);

    59

}

    60

    61

// no longer static to allow calling from outside module

    62

const Widget _generate_landscape_widgets[] = {

    63

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

    64

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

    65

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

    66

    67

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

    68

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

    69

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

    70

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

    71

    72

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

    73

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

    74

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

    75

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

    76

    77

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

    78

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

    79

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

    80

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

    81

    82

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

    83

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

    84

    85

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

    86

    87

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

    88

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

    89

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

    90

    91

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

    92

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

    93

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

    94

    95

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

    96

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

    97

    98

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

    99

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

   100

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

   101

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

   102

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

   103

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

   104

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

   105

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

   106

{   WIDGETS_END},

   107

};

   108

   109

const Widget _heightmap_load_widgets[] = {

   110

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

   111

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

   112

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

   113

   114

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

   115

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

   116

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

   117

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

   118

   119

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

   120

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

   121

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

   122

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

   123

   124

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

   125

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

   126

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

   127

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

   128

   129

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

   130

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

   131

   132

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

   133

   134

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

   135

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

   136

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

   137

   138

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

   139

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

   140

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

   141

   142

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

   143

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

   144

   145

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

   146

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

   147

{   WIDGETS_END},

   148

};

   149

   150

static void StartGeneratingLandscape(glwp_modes mode)

   151

{

   152

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

   153

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

   154

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

   155

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

   156

	 */

   157

	if (_goto_editor) _game_mode = GM_EDITOR;

   158

   159

	DeleteWindowByClass(WC_GENERATE_LANDSCAPE);

   160

	DeleteWindowByClass(WC_INDUSTRY_VIEW);

   161

	DeleteWindowByClass(WC_TOWN_VIEW);

   162

	DeleteWindowByClass(WC_LAND_INFO);

   163

   164

	/* Copy all XXX_newgame to XXX */

   165

	UpdatePatches();

   166

	_opt_ptr = &_opt;

   167

	*_opt_ptr = _opt_newgame;

   168

	ResetGRFConfig(true);

   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(Window *w, bool confirmed)

   180

{

   181

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

   182

}

   183

   184

void GenerateLandscapeWndProc(Window *w, WindowEvent *e)

   185

{

   186

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

   187

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

   188

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

   189

	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};

   190

	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};

   191

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

   192

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

   193

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

   194

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

   195

   196

	uint mode = w->window_number;

   197

	uint y;

   198

   199

	switch (e->event) {

   200

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

   201

   202

	case WE_PAINT:

   203

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

   204

		if (mode == GLWP_GENERATE) {

   205

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

   206

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

   207

		}

   208

		/* Disable snowline if not hilly */

   209

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

   210

		/* Disable town and industry in SE */

   211

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

   212

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

   213

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

   214

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

   215

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

   216

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

   217

   218

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

   219

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

   220

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

   221

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

   222

   223

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

   224

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

   225

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

   226

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

   227

		DrawWindowWidgets(w);

   228

   229

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

   230

   231

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

   232

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

   233

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

   234

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

   235

   236

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

   237

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

   238

		if (_game_mode == GM_EDITOR) {

   239

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

   240

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

   241

		} else {

   242

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

   243

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

   244

		}

   245

   246

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

   247

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

   248

   249

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

   250

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

   251

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

   252

   253

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

   254

		SetDParam(0, _patches_newgame.snow_line_height);

   255

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

   256

   257

		if (mode == GLWP_GENERATE) {

   258

			DrawString( 12, 175, STR_LAND_GENERATOR, 0);

   259

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

   260

   261

			DrawString( 12, 193, STR_TREE_PLACER, 0);

   262

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

   263

   264

			DrawString( 12, 211, STR_TERRAIN_TYPE, 0);

   265

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

   266

   267

			DrawString( 12, 229, STR_QUANTITY_OF_SEA_LAKES, 0);

   268

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

   269

   270

			DrawString( 12, 247, STR_SMOOTHNESS, 0);

   271

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

   272

		} else {

   273

			char buffer[512];

   274

   275

			if (_patches_newgame.heightmap_rotation == HM_CLOCKWISE) {

   276

				SetDParam(0, _heightmap_y);

   277

				SetDParam(1, _heightmap_x);

   278

			} else {

   279

				SetDParam(0, _heightmap_x);

   280

				SetDParam(1, _heightmap_y);

   281

			}

   282

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

   283

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

   284

   285

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

   286

			SetDParam(0, _heightmap_str);

   287

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

   288

   289

			DrawString( 12, 197, STR_TREE_PLACER, 0);

   290

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

   291

   292

			DrawString( 12, 215, STR_HEIGHTMAP_ROTATION, 0);

   293

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

   294

		}

   295

   296

		break;

   297

	case WE_CLICK:

   298

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

   299

		case 0: DeleteWindow(w); break;

   300

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

   301

			RaiseWindowWidget(w, _opt_newgame.landscape + 3);

   302

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

   303

			break;

   304

		case 7: case 8: // Mapsize X

   305

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

   306

			break;

   307

		case 9: case 10: // Mapsize Y

   308

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

   309

			break;

   310

		case 11: case 12: // Number of towns

   311

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

   312

			break;

   313

		case 13: case 14: // Number of industries

   314

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

   315

			break;

   316

		case 16: // Random seed

   317

			_patches_newgame.generation_seed = InteractiveRandom();

   318

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

   319

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

   320

			SetWindowDirty(w);

   321

			break;

   322

		case 17: // Generate

   323

			if (mode == GLWP_HEIGHTMAP && (

   324

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

   325

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

   326

				ShowQuery(

   327

					STR_HEIGHTMAP_SCALE_WARNING_CAPTION,

   328

					STR_HEIGHTMAP_SCALE_WARNING_MESSAGE,

   329

					w,

   330

					HeightmapScaledTooMuchCallback);

   331

			} else {

   332

				StartGeneratingLandscape(mode);

   333

			}

   334

			break;

   335

		case 18: case 20: // Year buttons

   336

			/* Don't allow too fast scrolling */

   337

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

   338

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

   339

				SetWindowDirty(w);

   340

   341

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

   342

			}

   343

			_left_button_clicked = false;

   344

			break;

   345

		case 19: // Year text

   346

			WP(w, def_d).data_3 = START_DATE_QUERY;

   347

			SetDParam(0, _patches_newgame.starting_year);

   348

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

   349

			break;

   350

		case 21: case 23: // Snow line buttons

   351

			/* Don't allow too fast scrolling */

   352

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

   353

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

   354

				SetWindowDirty(w);

   355

   356

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

   357

			}

   358

			_left_button_clicked = false;

   359

			break;

   360

		case 22: // Snow line text

   361

			WP(w, def_d).data_3 = SNOW_LINE_QUERY;

   362

			SetDParam(0, _patches_newgame.snow_line_height);

   363

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

   364

			break;

   365

		case 24: case 25: // Tree placer

   366

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

   367

			break;

   368

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

   369

			if (mode == GLWP_HEIGHTMAP) {

   370

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

   371

			} else {

   372

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

   373

			}

   374

			break;

   375

		case 28: case 29: // Terrain type

   376

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

   377

			break;

   378

		case 30: case 31: // Water quantity

   379

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

   380

			break;

   381

		case 32: case 33: // Map smoothness

   382

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

   383

			break;

   384

		}

   385

		break;

   386

   387

	case WE_MOUSELOOP:

   388

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

   389

		break;

   390

   391

	case WE_KEYPRESS:

   392

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

   393

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

   394

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

   395

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

   396

		 * entered into the input field; the generate seed

   397

		 * button can be used instead. */

   398

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

   399

		break;

   400

   401

	case WE_DROPDOWN_SELECT:

   402

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

   403

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

   404

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

   405

			case 12:

   406

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

   407

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

   408

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

   409

				break;

   410

			case 14:

   411

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

   412

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

   413

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

   414

				break;

   415

			case 25:

   416

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

   417

				break;

   418

			case 27:

   419

				if (mode == GLWP_HEIGHTMAP) {

   420

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

   421

				} else {

   422

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

   423

				}

   424

				break;

   425

			case 29:

   426

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

   427

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

   428

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

   429

				break;

   430

			case 31:

   431

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

   432

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

   433

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

   434

				break;

   435

			case 33:

   436

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

   437

				break;

   438

		}

   439

		SetWindowDirty(w);

   440

		break;

   441

   442

	case WE_ON_EDIT_TEXT: {

   443

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

   444

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

   445

   446

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

   447

			case START_DATE_QUERY:

   448

				InvalidateWidget(w, 19);

   449

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

   450

				break;

   451

			case SNOW_LINE_QUERY:

   452

				InvalidateWidget(w, 22);

   453

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

   454

				break;

   455

			}

   456

   457

			SetWindowDirty(w);

   458

		}

   459

		break;

   460

	}

   461

	}

   462

}

   463

   464

const WindowDesc _generate_landscape_desc = {

   465

	WDP_CENTER, WDP_CENTER, 338, 268,

   466

	WC_GENERATE_LANDSCAPE, 0,

   467

	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   468

	_generate_landscape_widgets,

   469

	GenerateLandscapeWndProc,

   470

};

   471

   472

const WindowDesc _heightmap_load_desc = {

   473

	WDP_CENTER, WDP_CENTER, 338, 236,

   474

	WC_GENERATE_LANDSCAPE, 0,

   475

	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   476

	_heightmap_load_widgets,

   477

	GenerateLandscapeWndProc,

   478

};

   479

   480

static void _ShowGenerateLandscape(glwp_modes mode)

   481

{

   482

	Window *w;

   483

   484

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

   485

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

   486

	DeleteWindowById(WC_GENERATE_LANDSCAPE, GLWP_GENERATE);

   487

	DeleteWindowById(WC_GENERATE_LANDSCAPE, GLWP_HEIGHTMAP);

   488

   489

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

   490

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

   491

   492

	if (mode == GLWP_HEIGHTMAP) {

   493

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

   494

   495

		_heightmap_x = 0;

   496

		_heightmap_y = 0;

   497

		_heightmap_str = AllocateName(_file_to_saveload.title, 0);

   498

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

   499

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

   500

			return;

   501

	}

   502

   503

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

   504

   505

	if (w != NULL) {

   506

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

   507

   508

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

   509

   510

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