1

#include "stdafx.h"

     2

#include "table/strings.h"

     3

     4

#define VARDEF

     5

#include "ttd.h"

     6

#include "gfx.h"

     7

#include "gui.h"

     8

#include "station.h"

     9

#include "vehicle.h"

    10

#include "viewport.h"

    11

#include "window.h"

    12

#include "player.h"

    13

#include "command.h"

    14

#include "town.h"

    15

#include "industry.h"

    16

#include "news.h"

    17

#include "engine.h"

    18

#include "sound.h"

    19

#include "economy.h"

    20

#include "fileio.h"

    21

#include "hal.h"

    22

#include "airport.h"

    23

#include "saveload.h"

    24

#include "ai.h"

    25

#include "console.h"

    26

#include "screenshot.h"

    27

    28

#include <stdarg.h>

    29

    30

void GameLoop();

    31

    32

void IncreaseSpriteLRU();

    33

void InitializeGame();

    34

void GenerateWorld(int mode);

    35

void CallLandscapeTick();

    36

void IncreaseDate();

    37

void RunOtherPlayersLoop();

    38

void DoPaletteAnimations();

    39

void MusicLoop();

    40

void ResetMusic();

    41

void InitializeStations();

    42

void DeleteAllPlayerStations();

    43

    44

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

    45

extern void DoStartupNewPlayer(bool is_ai);

    46

extern void UpdateAllSignVirtCoords();

    47

extern void ShowOSErrorBox(const char *buf);

    48

    49

void redsq_debug(int tile);

    50

bool LoadSavegame(const char *filename);

    51

    52

extern void HalGameLoop();

    53

    54

uint32 _pixels_redrawn;

    55

bool _dbg_screen_rect;

    56

bool disable_computer;

    57

static byte _os_version = 0;

    58

    59

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

    60

	va_list va;

    61

	char buf[512];

    62

	va_start(va, s);

    63

	vsprintf(buf, s, va);

    64

	va_end(va);

    65

    66

	ShowOSErrorBox(buf);

    67

	if (_video_driver)

    68

		_video_driver->stop();

    69

    70

	assert(0);

    71

	exit(1);

    72

}

    73

    74

void CDECL debug(const char *s, ...)

    75

{

    76

	va_list va;

    77

	char buf[1024];

    78

	va_start(va, s);

    79

	vsprintf(buf, s, va);

    80

	va_end(va);

    81

	fprintf(stderr, "dbg: %s\n", buf);

    82

	IConsoleDebug((byte *) &buf);

    83

}

    84

    85

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

    86

{

    87

	va_list va;

    88

	char buf[1024];

    89

	va_start(va, str);

    90

	vsprintf(buf, str, va);

    91

	va_end(va);

    92

	ShowInfo(buf);

    93

}

    94

    95

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

    96

{

    97

	char buf[4096];

    98

	va_list va;

    99

	int len;

   100

	char *p;

   101

   102

	va_start(va, str);

   103

	len = vsprintf(buf, str, va);

   104

	va_end(va);

   105

	p = malloc(len + 1);

   106

	if (p)

   107

		memcpy(p, buf, len + 1);

   108

	return p;

   109

}

   110

   111

   112

// NULL midi driver

   113

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

   114

static void NullMidiStop() {}

   115

static void NullMidiPlaySong(const char *filename) {}

   116

static void NullMidiStopSong() {}

   117

static bool NullMidiIsSongPlaying() { return true; }

   118

static void NullMidiSetVolume(byte vol) {}

   119

   120

const HalMusicDriver _null_music_driver = {

   121

	NullMidiStart,

   122

	NullMidiStop,

   123

	NullMidiPlaySong,

   124

	NullMidiStopSong,

   125

	NullMidiIsSongPlaying,

   126

	NullMidiSetVolume,

   127

};

   128

   129

// NULL video driver

   130

static void *_null_video_mem;

   131

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

   132

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

   133

	_screen.height = _cur_resolution[1];

   134

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

   135

	return NULL;

   136

}

   137

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

   138

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

   139

static int NullVideoMainLoop() {

   140

	int i = 1000;

   141

	do {

   142

		GameLoop();

   143

		_screen.dst_ptr = _null_video_mem;

   144

		UpdateWindows();

   145

	}	while (--i);

   146

	return ML_QUIT;

   147

}

   148

   149

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

   150

   151

   152

const HalVideoDriver _null_video_driver = {

   153

	NullVideoStart,

   154

	NullVideoStop,

   155

	NullVideoMakeDirty,

   156

	NullVideoMainLoop,

   157

	NullVideoChangeRes,

   158

};

   159

   160

// NULL sound driver

   161

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

   162

static void NullSoundStop() {}

   163

const HalSoundDriver _null_sound_driver = {

   164

	NullSoundStart,

   165

	NullSoundStop,

   166

};

   167

   168

enum {

   169

	DF_PRIORITY_MASK = 0xf,

   170

};

   171

   172

typedef struct {

   173

	const DriverDesc *descs;

   174

	const char *name;

   175

	void *var;

   176

} DriverClass;

   177

   178

static DriverClass _driver_classes[] = {

   179

	{_video_driver_descs, "video", &_video_driver},

   180

	{_sound_driver_descs, "sound", &_sound_driver},

   181

	{_music_driver_descs, "music", &_music_driver},

   182

};

   183

   184

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

   185

{

   186

	do {

   187

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

   188

			return dd;

   189

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

   190

	return NULL;

   191

}

   192

   193

static const DriverDesc *ChooseDefaultDriver(const DriverDesc *dd)

   194

{

   195

	const DriverDesc *best = NULL;

   196

	int best_pri = -1;

   197

	do {

   198

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

   199

			best_pri = dd->flags&DF_PRIORITY_MASK;

   200

			best = dd;

   201

		}

   202

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

   203

	return best;

   204

}

   205

   206

void ttd_strlcpy(char *dst, const char *src, size_t len)

   207

{

   208

	assert(len > 0);

   209

	while (--len && *src)

   210

		*dst++=*src++;

   211

	*dst = 0;

   212

}

   213

   214

char *strecpy(char *dst, const char *src)

   215

{

   216

	while ( (*dst++ = *src++) != 0) {}

   217

	return dst - 1;

   218

}

   219

   220

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

   221

{

   222

	FILE *in;

   223

	void *mem;

   224

	size_t len;

   225

   226

	in = fopen(filename, "rb");

   227

	if (in == NULL)

   228

		return NULL;

   229

   230

	fseek(in, 0, SEEK_END);

   231

	len = ftell(in);

   232

	fseek(in, 0, SEEK_SET);

   233

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

   234

		fclose(in);

   235

		return NULL;

   236

	}

   237

	((byte*)mem)[len] = 0;

   238

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

   239

		fclose(in);

   240

		free(mem);

   241

		return NULL;

   242

	}

   243

	fclose(in);

   244

   245

	*lenp = len;

   246

	return mem;

   247

}

   248

   249

void LoadDriver(int driver, const char *name)

   250

{

   251

	const DriverClass *dc = &_driver_classes[driver];

   252

	const DriverDesc *dd;

   253

	const void **var;

   254

	const void *drv;

   255

	const char *err;

   256

	char *parm;

   257

	char buffer[256];

   258

	char *parms[32];

   259

   260

	parms[0] = NULL;

   261

   262

	if (!*name) {

   263

		dd = ChooseDefaultDriver(dc->descs);

   264

	} else {

   265

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

   266

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

   267

		parm = strchr(buffer, ':');

   268

		if (parm) {

   269

			int np = 0;

   270

			// Tokenize the parm.

   271

			do {

   272

				*parm++ = 0;

   273

				if (np < lengthof(parms) - 1)

   274

					parms[np++] = parm;

   275

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

   276

					parm++;

   277

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

   278

			parms[np] = NULL;

   279

		}

   280

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

   281

		if (dd == NULL)

   282

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

   283

	}

   284

	var = dc->var;

   285

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

   286

	*var = NULL;

   287

	drv = dd->drv;

   288

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

   289

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

   290

	*var = drv;

   291

}

   292

   293

static void showhelp()

   294

{

   295

	char buf[4096], *p;

   296

	const DriverClass *dc = _driver_classes;

   297

	const DriverDesc *dd;

   298

	int i;

   299

   300

	p = strecpy(buf,

   301

		"Command line options:\n"

   302

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

   303

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

   304

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

   305

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

   306

		"  -h     = Display this help text\n"

   307

		"  -t date= Set starting date\n"

   308

		"  -d dbg = Debug mode\n"

   309

		"  -l lng = Select Language\n"

   310

		"  -e     = Start Editor\n"

   311

		"  -g     = Start new game immediately (can optionally take a game to load)\n"

   312

		"  -G seed= Set random seed\n"

   313

	);

   314

   315

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

   316

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

   317

		dd = dc->descs;

   318

		do {

   319

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

   320

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

   321

	}

   322

   323

	ShowInfo(buf);

   324

}

   325

   326

   327

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

   328

{

   329

	char *p;

   330

	int len = strlen(name);

   331

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

   332

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

   333

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

   334

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

   335

		}

   336

	}

   337

	return NULL;

   338

}

   339

   340

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

   341

{

   342

	char *p = GetDriverParam(parm, name);

   343

	return p != NULL;

   344

}

   345

   346

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

   347

{

   348

	char *p = GetDriverParam(parm, name);

   349

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

   350

}

   351

   352

typedef struct {

   353

	char *opt;

   354

	int numleft;

   355

	char **argv;

   356

	const char *options;

   357

	char *cont;

   358

} MyGetOptData;

   359

   360

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

   361

{

   362

	md->cont = NULL;

   363

	md->numleft = argc;

   364

	md->argv = argv;

   365

	md->options = options;

   366

}

   367

   368

static int MyGetOpt(MyGetOptData *md)

   369

{

   370

	char *s,*r,*t;

   371

   372

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

   373

		goto md_continue_here;

   374

   375

	while(true) {

   376

		if (--md->numleft < 0)

   377

			return -1;

   378

   379

		s = *md->argv++;

   380

		if (*s == '-') {

   381

md_continue_here:;

   382

			s++;

   383

			if (*s != 0) {

   384

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

   385

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

   386

					// ERROR!

   387

					return -2;

   388

				}

   389

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

   390

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

   391

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

   392

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

   393

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

   394

							// Check if item is optional?

   395

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

   396

								return -2;

   397

							md->numleft++;

   398

							t = NULL;

   399

						} else {

   400

							md->argv++;

   401

						}

   402

					}

   403

					md->opt = t;

   404

					md->cont = NULL;

   405

					return *s;

   406

				}

   407

				md->opt = NULL;

   408

				md->cont = s;

   409

				return *s;

   410

			}

   411

		} else {

   412

			// This is currently not supported.

   413

			return -2;

   414

		}

   415

	}

   416

}

   417

   418

void SetDebugString(const char *s)

   419

{

   420

	int v;

   421

	char *end;

   422

	const char *t;

   423

	int *p;

   424

   425

	// global debugging level?

   426

	if (*s >= '0' && *s <= '9') {

   427

		v = strtoul(s, &end, 0);

   428

		s = end;

   429

   430

		_debug_spritecache_level = v;

   431

		_debug_misc_level = v;

   432

		_debug_grf_level = v;

   433

		_debug_ai_level = v;

   434

		_debug_net_level = v;

   435

	}

   436

   437

	// individual levels

   438

	for(;;) {

   439

		// skip delimiters

   440

		while (*s == ' ' || *s == ',' || *s == '\t') s++;

   441

		if (*s == 0) break;

   442

   443

		t = s;

   444

		while (*s >= 'a' && *s <= 'z') s++;

   445

   446

#define IS_LVL(x) (s - t == sizeof(x)-1 && !memcmp(t, x, sizeof(x)-1))

   447

		// check debugging levels

   448

		if IS_LVL("misc") p = &_debug_misc_level;

   449

		else if IS_LVL("spritecache") p = &_debug_spritecache_level;

   450

		else if IS_LVL("grf") p = &_debug_grf_level;

   451

		else if IS_LVL("ai") p = &_debug_ai_level;

   452

		else if IS_LVL("net") p = &_debug_net_level;

   453

		else {

   454

			ShowInfoF("Unknown debug level '%.*s'", s-t, t);

   455

			return;

   456

		}

   457

#undef IS_LVL

   458

		if (*s == '=') s++;

   459

		v = strtoul(s, &end, 0);

   460

		s = end;

   461

		if (p) *p = v;

   462

	}

   463

}

   464

   465

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

   466

{

   467

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

   468

	if (t == NULL) {

   469

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

   470

		return;

   471

	}

   472

   473

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

   474

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

   475

}

   476

   477

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

   478

{

   479

	MyGetOptData mgo;

   480

	int i;

   481

	int network = 0;

   482

	char *network_conn = NULL;

   483

	char *language = NULL;

   484

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

   485

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

   486

	uint startdate = -1;

   487

	_ignore_wrong_grf = false;

   488

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

   489

	_networking_override=false;

   490

   491

	_game_mode = GM_MENU;

   492

	_switch_mode = SM_MENU;

   493

	_switch_mode_errorstr = INVALID_STRING_ID;

   494

   495

	MyGetOptInit(&mgo, argc-1, argv+1, "m:s:v:hn::l:eit:d::r:g::G:cp:");

   496

	while ((i = MyGetOpt(&mgo)) != -1) {

   497

		switch(i) {

   498

		case 'm': ttd_strlcpy(musicdriver, mgo.opt, sizeof(musicdriver)); break;

   499

		case 's': ttd_strlcpy(sounddriver, mgo.opt, sizeof(sounddriver)); break;

   500

		case 'v': ttd_strlcpy(videodriver, mgo.opt, sizeof(videodriver)); break;

   501

		case 'n': {

   502

				network = 1;

   503

				_networking_override=true;

   504

				if (mgo.opt) {

   505

					network_conn = mgo.opt;

   506

					network++;

   507

				}

   508

				else

   509

					network_conn = NULL;

   510

			} break;

   511

		case 'r': ParseResolution(resolution, mgo.opt); break;

   512

		case 'l': {

   513

				language = mgo.opt;

   514

			} break;

   515

		case 't': {

   516

				startdate = atoi(mgo.opt);

   517

			} break;

   518

		case 'd': {

   519

#if defined(WIN32)

   520

				CreateConsole();

   521

#endif

   522

				if (mgo.opt)

   523

					SetDebugString(mgo.opt);