1

#include "stdafx.h"

     2

#include "string.h"

     3

#include "table/strings.h"

     4

#include "debug.h"

     5

#include "strings.h"

     6

#include "map.h"

     7

#include "tile.h"

     8

     9

#define VARDEF

    10

#include "ttd.h"

    11

#include "spritecache.h"

    12

#include "gfx.h"

    13

#include "gui.h"

    14

#include "station.h"

    15

#include "vehicle.h"

    16

#include "viewport.h"

    17

#include "window.h"

    18

#include "player.h"

    19

#include "command.h"

    20

#include "town.h"

    21

#include "industry.h"

    22

#include "news.h"

    23

#include "engine.h"

    24

#include "sound.h"

    25

#include "economy.h"

    26

#include "fileio.h"

    27

#include "hal.h"

    28

#include "airport.h"

    29

#include "saveload.h"

    30

#include "ai.h"

    31

#include "console.h"

    32

#include "screenshot.h"

    33

#include "network.h"

    34

#include "signs.h"

    35

#include "depot.h"

    36

    37

#include <stdarg.h>

    38

    39

void GenerateWorld(int mode, uint log_x, uint log_y);

    40

void CallLandscapeTick(void);

    41

void IncreaseDate(void);

    42

void RunOtherPlayersLoop(void);

    43

void DoPaletteAnimations(void);

    44

void MusicLoop(void);

    45

void ResetMusic(void);

    46

void InitializeStations(void);

    47

void DeleteAllPlayerStations(void);

    48

    49

extern void SetDifficultyLevel(int mode, GameOptions *gm_opt);

    50

extern void DoStartupNewPlayer(bool is_ai);

    51

extern void ShowOSErrorBox(const char *buf);

    52

    53

void redsq_debug(int tile);

    54

bool LoadSavegame(const char *filename);

    55

    56

extern void HalGameLoop(void);

    57

    58

uint32 _pixels_redrawn;

    59

bool _dbg_screen_rect;

    60

bool disable_computer; // We should get ride of this thing.. is only used for a debug-cheat

    61

static byte _os_version = 0;

    62

    63

/* TODO: usrerror() for errors which are not of an internal nature but

    64

 * caused by the user, i.e. missing files or fatal configuration errors.

    65

 * Post-0.4.0 since Celestar doesn't want this in SVN before. --pasky */

    66

    67

void CDECL error(const char *s, ...) {

    68

	va_list va;

    69

	char buf[512];

    70

	va_start(va, s);

    71

	vsprintf(buf, s, va);

    72

	va_end(va);

    73

    74

	ShowOSErrorBox(buf);

    75

	if (_video_driver)

    76

		_video_driver->stop();

    77

    78

	assert(0);

    79

	exit(1);

    80

}

    81

    82

void CDECL ShowInfoF(const char *str, ...)

    83

{

    84

	va_list va;

    85

	char buf[1024];

    86

	va_start(va, str);

    87

	vsprintf(buf, str, va);

    88

	va_end(va);

    89

	ShowInfo(buf);

    90

}

    91

    92

char * CDECL str_fmt(const char *str, ...)

    93

{

    94

	char buf[4096];

    95

	va_list va;

    96

	int len;

    97

	char *p;

    98

    99

	va_start(va, str);

   100

	len = vsprintf(buf, str, va);

   101

	va_end(va);

   102

	p = malloc(len + 1);

   103

	if (p)

   104

		memcpy(p, buf, len + 1);

   105

	return p;

   106

}

   107

   108

   109

// NULL midi driver

   110

static const char *NullMidiStart(const char * const *parm) { return NULL; }

   111

static void NullMidiStop(void) {}

   112

static void NullMidiPlaySong(const char *filename) {}

   113

static void NullMidiStopSong(void) {}

   114

static bool NullMidiIsSongPlaying(void) { return true; }

   115

static void NullMidiSetVolume(byte vol) {}

   116

   117

const HalMusicDriver _null_music_driver = {

   118

	NullMidiStart,

   119

	NullMidiStop,

   120

	NullMidiPlaySong,

   121

	NullMidiStopSong,

   122

	NullMidiIsSongPlaying,

   123

	NullMidiSetVolume,

   124

};

   125

   126

// NULL video driver

   127

static void *_null_video_mem;

   128

static const char *NullVideoStart(const char * const *parm)

   129

{

   130

	_screen.width = _screen.pitch = _cur_resolution[0];

   131

	_screen.height = _cur_resolution[1];

   132

	_null_video_mem = malloc(_cur_resolution[0]*_cur_resolution[1]);

   133

	return NULL;

   134

}

   135

static void NullVideoStop(void) { free(_null_video_mem); }

   136

static void NullVideoMakeDirty(int left, int top, int width, int height) {}

   137

static int NullVideoMainLoop(void)

   138

{

   139

	int i = 1000;

   140

	do {

   141

		GameLoop();

   142

		_screen.dst_ptr = _null_video_mem;

   143

		UpdateWindows();

   144

	}	while (--i);

   145

	return ML_QUIT;

   146

}

   147

   148

static bool NullVideoChangeRes(int w, int h) { return false; }

   149

   150

   151

const HalVideoDriver _null_video_driver = {

   152

	NullVideoStart,

   153

	NullVideoStop,

   154

	NullVideoMakeDirty,

   155

	NullVideoMainLoop,

   156

	NullVideoChangeRes,

   157

};

   158

   159

// NULL sound driver

   160

static const char *NullSoundStart(const char * const *parm) { return NULL; }

   161

static void NullSoundStop(void) {}

   162

const HalSoundDriver _null_sound_driver = {

   163

	NullSoundStart,

   164

	NullSoundStop,

   165

};

   166

   167

enum {

   168

	DF_PRIORITY_MASK = 0xf,

   169

};

   170

   171

typedef struct {

   172

	const DriverDesc *descs;

   173

	const char *name;

   174

	void *var;

   175

} DriverClass;

   176

   177

static DriverClass _driver_classes[] = {

   178

	{_video_driver_descs, "video", &_video_driver},

   179

	{_sound_driver_descs, "sound", &_sound_driver},

   180

	{_music_driver_descs, "music", &_music_driver},

   181

};

   182

   183

static const DriverDesc *GetDriverByName(const DriverDesc *dd, const char *name)

   184

{

   185

	do {

   186

		if (!strcmp(dd->name, name))

   187

			return dd;

   188

	} while ((++dd)->name);

   189

	return NULL;

   190

}

   191

   192

static const DriverDesc *ChooseDefaultDriver(const DriverDesc *dd)

   193

{

   194

	const DriverDesc *best = NULL;

   195

	int best_pri = -1;

   196

	do {

   197

		if ((int)(dd->flags&DF_PRIORITY_MASK) > best_pri && _os_version >= (byte)dd->flags) {

   198

			best_pri = dd->flags&DF_PRIORITY_MASK;

   199

			best = dd;

   200

		}

   201

	} while ((++dd)->name);

   202

	return best;

   203

}

   204

   205

   206

void *ReadFileToMem(const char *filename, size_t *lenp, size_t maxsize)

   207

{

   208

	FILE *in;

   209

	byte *mem;

   210

	size_t len;

   211

   212

	in = fopen(filename, "rb");

   213

	if (in == NULL)

   214

		return NULL;

   215

   216

	fseek(in, 0, SEEK_END);

   217

	len = ftell(in);

   218

	fseek(in, 0, SEEK_SET);

   219

	if (len > maxsize || (mem = malloc(len + 1)) == NULL) {

   220

		fclose(in);

   221

		return NULL;

   222

	}

   223

	mem[len] = 0;

   224

	if (fread(mem, len, 1, in) != 1) {

   225

		fclose(in);

   226

		free(mem);

   227

		return NULL;

   228

	}

   229

	fclose(in);

   230

   231

	*lenp = len;

   232

	return mem;

   233

}

   234

   235

void LoadDriver(int driver, const char *name)

   236

{

   237

	const DriverClass *dc = &_driver_classes[driver];

   238

	const DriverDesc *dd;

   239

	const void **var;

   240

	const void *drv;

   241

	const char *err;

   242

	char *parm;

   243

	char buffer[256];

   244

	const char *parms[32];

   245

   246

	parms[0] = NULL;

   247

   248

	if (!*name) {

   249

		dd = ChooseDefaultDriver(dc->descs);

   250

	} else {

   251

		// Extract the driver name and put parameter list in parm

   252

		ttd_strlcpy(buffer, name, sizeof(buffer));

   253

		parm = strchr(buffer, ':');

   254

		if (parm) {

   255

			uint np = 0;

   256

			// Tokenize the parm.

   257

			do {

   258

				*parm++ = 0;

   259

				if (np < lengthof(parms) - 1)

   260

					parms[np++] = parm;

   261

				while (*parm != 0 && *parm != ',')

   262

					parm++;

   263

			} while (*parm == ',');

   264

			parms[np] = NULL;

   265

		}

   266

		dd = GetDriverByName(dc->descs, buffer);

   267

		if (dd == NULL)

   268

			error("No such %s driver: %s\n", dc->name, buffer);

   269

	}

   270

	var = dc->var;

   271

	if (*var != NULL) ((const HalCommonDriver*)*var)->stop();

   272

	*var = NULL;

   273

	drv = dd->drv;

   274

	if ((err=((const HalCommonDriver*)drv)->start(parms)) != NULL)

   275

		error("Unable to load driver %s(%s). The error was: %s\n", dd->name, dd->longname, err);

   276

	*var = drv;

   277

}

   278

   279

static void showhelp(void)

   280

{

   281

	char buf[4096], *p;

   282

	const DriverClass *dc = _driver_classes;

   283

	const DriverDesc *dd;

   284

	int i;

   285

   286

	p = strecpy(buf,

   287

		"Command line options:\n"

   288

		"  -v drv              = Set video driver (see below)\n"

   289

		"  -s drv              = Set sound driver (see below)\n"

   290

		"  -m drv              = Set music driver (see below)\n"

   291

		"  -r res              = Set resolution (for instance 800x600)\n"

   292

		"  -h                  = Display this help text\n"

   293

		"  -t date             = Set starting date\n"

   294

		"  -d [[fac=]lvl[,...]]= Debug mode\n"

   295

		"  -l lng              = Select Language\n"

   296

		"  -e                  = Start Editor\n"

   297

		"  -g [savegame]       = Start new/save game immediately\n"

   298

		"  -G seed             = Set random seed\n"

   299

		"  -n [ip#player:port] = Start networkgame\n"

   300

		"  -D                  = Start dedicated server\n"

   301

		#if !defined(__MORPHOS__) && !defined(__AMIGA__)

   302

		"  -f                  = Fork into the background (dedicated only)\n"

   303

		#endif

   304

		"  -i                  = Force to use the DOS palette (use this if you see a lot of pink)\n"

   305

		"  -p #player          = Player as #player (deprecated) (network only)\n"

   306

		"  -c config_file      = Use 'config_file' instead of 'openttd.cfg'\n",

   307

		lastof(buf)

   308

	);

   309

   310

	for(i=0; i!=lengthof(_driver_classes); i++,dc++) {

   311

		p += sprintf(p, "List of %s drivers:\n", dc->name);

   312

		dd = dc->descs;

   313

		do {

   314

			p += sprintf(p, "%10s: %s\n", dd->name, dd->longname);

   315

		} while ((++dd)->name);

   316

	}

   317

   318

	ShowInfo(buf);

   319

}

   320

   321

   322

const char *GetDriverParam(const char * const *parm, const char *name)

   323

{

   324

	const char *p;

   325

	int len = strlen(name);

   326

	while ((p = *parm++) != NULL) {

   327

		if (!strncmp(p,name,len)) {

   328

			if (p[len] == '=') return p + len + 1;

   329

			if (p[len] == 0)   return p + len;

   330

		}

   331

	}

   332

	return NULL;

   333

}

   334

   335

bool GetDriverParamBool(const char * const *parm, const char *name)

   336

{

   337

	const char *p = GetDriverParam(parm, name);

   338

	return p != NULL;

   339

}

   340

   341

int GetDriverParamInt(const char * const *parm, const char *name, int def)

   342

{

   343

	const char *p = GetDriverParam(parm, name);

   344

	return p != NULL ? atoi(p) : def;

   345

}

   346

   347

typedef struct {

   348

	char *opt;

   349

	int numleft;

   350

	char **argv;

   351

	const char *options;

   352

	char *cont;

   353

} MyGetOptData;

   354

   355

static void MyGetOptInit(MyGetOptData *md, int argc, char **argv, const char *options)

   356

{

   357

	md->cont = NULL;

   358

	md->numleft = argc;

   359

	md->argv = argv;

   360

	md->options = options;

   361

}

   362

   363

static int MyGetOpt(MyGetOptData *md)

   364

{

   365

	char *s,*r,*t;

   366

   367

	if ((s=md->cont) != NULL)

   368

		goto md_continue_here;

   369

   370

	while(true) {

   371

		if (--md->numleft < 0)

   372

			return -1;

   373

   374

		s = *md->argv++;

   375

		if (*s == '-') {

   376

md_continue_here:;

   377

			s++;

   378

			if (*s != 0) {

   379

				// Found argument, try to locate it in options.

   380

				if (*s == ':' || (r = strchr(md->options, *s)) == NULL) {

   381

					// ERROR!

   382

					return -2;

   383

				}

   384

				if (r[1] == ':') {

   385

					// Item wants an argument. Check if the argument follows, or if it comes as a separate arg.

   386

					if (!*(t = s + 1)) {

   387

						// It comes as a separate arg. Check if out of args?

   388

						if (--md->numleft < 0 || *(t = *md->argv) == '-') {

   389

							// Check if item is optional?

   390

							if (r[2] != ':')

   391

								return -2;

   392

							md->numleft++;

   393

							t = NULL;

   394

						} else {

   395

							md->argv++;

   396

						}

   397

					}

   398

					md->opt = t;

   399

					md->cont = NULL;

   400

					return *s;

   401

				}

   402

				md->opt = NULL;

   403

				md->cont = s;

   404

				return *s;

   405

			}

   406

		} else {

   407

			// This is currently not supported.

   408

			return -2;

   409

		}

   410

	}

   411

}

   412

   413

   414

static void ParseResolution(int res[2], char *s)

   415

{

   416

	char *t = strchr(s, 'x');

   417

	if (t == NULL) {

   418

		ShowInfoF("Invalid resolution '%s'", s);

   419

		return;

   420

	}

   421

   422

	res[0] = strtoul(s, NULL, 0);

   423

	res[1] = strtoul(t + 1, NULL, 0);

   424

}

   425

   426

static void InitializeDynamicVariables(void)

   427

{

   428

	/* Dynamic stuff needs to be initialized somewhere... */

   429

	_station_sort  = NULL;

   430

	_vehicle_sort  = NULL;

   431

	_town_sort     = NULL;

   432

	_industry_sort = NULL;

   433

}

   434

   435

static void UnInitializeDynamicVariables(void)

   436

{

   437

	/* Dynamic stuff needs to be free'd somewhere... */

   438

	CleanPool(&_town_pool);

   439

	CleanPool(&_industry_pool);

   440

	CleanPool(&_station_pool);

   441

	CleanPool(&_vehicle_pool);

   442

	CleanPool(&_sign_pool);

   443

	CleanPool(&_order_pool);

   444

   445

	free(_station_sort);

   446

	free(_vehicle_sort);

   447

	free(_town_sort);

   448

	free(_industry_sort);

   449

}

   450

   451

static void UnInitializeGame(void)

   452

{

   453

	UnInitWindowSystem();

   454

	UnInitNewgrEngines();

   455

   456

	free(_config_file);

   457

}

   458

   459

static void LoadIntroGame(void)

   460

{

   461

	char filename[256];

   462

	_game_mode = GM_MENU;

   463

	_display_opt &= ~DO_TRANS_BUILDINGS; // don't make buildings transparent in intro

   464

   465

	_opt_mod_ptr = &_new_opt;

   466

	GfxLoadSprites();

   467

	LoadStringWidthTable();

   468

   469

	// Setup main window

   470

	ResetWindowSystem();

   471

	SetupColorsAndInitialWindow();

   472

   473

	// Generate a world.

   474

	sprintf(filename, "%sopntitle.dat",  _path.data_dir);

   475

	if (SaveOrLoad(filename, SL_LOAD) != SL_OK) {

   476

#if defined SECOND_DATA_DIR

   477

		sprintf(filename, "%sopntitle.dat",  _path.second_data_dir);

   478

		if (SaveOrLoad(filename, SL_LOAD) != SL_OK)

   479

#endif

   480

			GenerateWorld(1, 6, 6); // if failed loading, make empty world.

   481

	}

   482

	_opt.currency = _new_opt.currency;

   483

   484

	_pause = 0;

   485

	_local_player = 0;

   486

	MarkWholeScreenDirty();

   487

   488

	// Play main theme

   489

	if (_music_driver->is_song_playing()) ResetMusic();

   490

}

   491

   492

extern void DedicatedFork(void);

   493

extern void CheckExternalFiles(void);

   494

   495

int ttd_main(int argc, char* argv[])

   496

{

   497

	MyGetOptData mgo;

   498

	int i;

   499

	bool network = false;

   500

	char *network_conn = NULL;

   501

	char *language = NULL;

   502

	const char *optformat;

   503

	char musicdriver[16], sounddriver[16], videodriver[16];

   504

	int resolution[2] = {0,0};

   505

	uint startdate = -1;

   506

	bool dedicated;

   507

   508

	musicdriver[0] = sounddriver[0] = videodriver[0] = 0;

   509

   510

	_game_mode = GM_MENU;