1

#include "stdafx.h"

     2

     3

#define VARDEF

     4

#include "ttd.h"

     5

#include "gfx.h"

     6

#include "gui.h"

     7

#include "station.h"

     8

#include "vehicle.h"

     9

#include "viewport.h"

    10

#include "window.h"

    11

#include "player.h"

    12

#include "command.h"

    13

#include "town.h"

    14

#include "industry.h"

    15

#include "news.h"

    16

#include "engine.h"

    17

#include "sound.h"

    18

#include "economy.h"

    19

#include "fileio.h"

    20

#include "hal.h"

    21

#include "airport.h"

    22

#include "saveload.h"

    23

#include "ai.h"

    24

#include "console.h"

    25

    26

#include <stdarg.h>

    27

    28

void GameLoop();

    29

    30

void IncreaseSpriteLRU();

    31

void InitializeGame();

    32

void GenerateWorld(int mode);

    33

void CallLandscapeTick();

    34

void IncreaseDate();

    35

void RunOtherPlayersLoop();

    36

void DoPaletteAnimations();

    37

void MusicLoop();

    38

void ResetMusic();

    39

void InitializeStations();

    40

void DeleteAllPlayerStations();

    41

    42

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

    43

extern void DoStartupNewPlayer(bool is_ai);

    44

extern void UpdateAllSignVirtCoords();

    45

extern void ShowOSErrorBox(const char *buf);

    46

    47

void redsq_debug(int tile);

    48

bool LoadSavegame(const char *filename);

    49

    50

extern void HalGameLoop();

    51

    52

uint32 _pixels_redrawn;

    53

bool _dbg_screen_rect;

    54

bool disable_computer;

    55

static byte _os_version = 0;

    56

    57

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

    58

	va_list va;

    59

	char buf[512];

    60

	va_start(va, s);

    61

	vsprintf(buf, s, va);

    62

	va_end(va);

    63

    64

	ShowOSErrorBox(buf);

    65

	if (_video_driver)

    66

		_video_driver->stop();

    67

    68

	assert(0);

    69

	exit(1);

    70

}

    71

    72

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

    73

{

    74

	va_list va;

    75

	char buf[1024];

    76

	va_start(va, s);

    77

	vsprintf(buf, s, va);

    78

	va_end(va);

    79

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

    80

	IConsoleDebug((byte *) &buf);

    81

}

    82

    83

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

    84

{

    85

	va_list va;

    86

	char buf[1024];

    87

	va_start(va, str);

    88

	vsprintf(buf, str, va);

    89

	va_end(va);

    90

	ShowInfo(buf);

    91

}

    92

    93

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

    94

{

    95

	char buf[4096];

    96

	va_list va;

    97

	int len;

    98

	char *p;

    99

   100

	va_start(va, str);

   101

	len = vsprintf(buf, str, va);

   102

	va_end(va);

   103

	p = malloc(len + 1);

   104

	if (p)

   105

		memcpy(p, buf, len + 1);

   106

	return p;

   107

}

   108

   109

   110

// NULL midi driver

   111

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

   112

static void NullMidiStop() {}

   113

static void NullMidiPlaySong(const char *filename) {}

   114

static void NullMidiStopSong() {}

   115

static bool NullMidiIsSongPlaying() { return true; }

   116

static void NullMidiSetVolume(byte vol) {}

   117

   118

const HalMusicDriver _null_music_driver = {

   119

	NullMidiStart,

   120

	NullMidiStop,

   121

	NullMidiPlaySong,

   122

	NullMidiStopSong,

   123

	NullMidiIsSongPlaying,

   124

	NullMidiSetVolume,

   125

};

   126

   127

// NULL video driver

   128

static void *_null_video_mem;

   129

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

   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() { free(_null_video_mem); }

   136

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

   137

static int NullVideoMainLoop() {

   138

	int i = 1000;

   139

	do {

   140

		GameLoop();

   141

		_screen.dst_ptr = _null_video_mem;

   142

		UpdateWindows();

   143

	}	while (--i);

   144

	return ML_QUIT;

   145

}

   146

   147

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

   148

   149

   150

const HalVideoDriver _null_video_driver = {

   151

	NullVideoStart,

   152

	NullVideoStop,

   153

	NullVideoMakeDirty,

   154

	NullVideoMainLoop,

   155

	NullVideoChangeRes,

   156

};

   157

   158

// NULL sound driver

   159

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

   160

static void NullSoundStop() {}

   161

const HalSoundDriver _null_sound_driver = {

   162

	NullSoundStart,

   163

	NullSoundStop,

   164

};

   165

   166

enum {

   167

	DF_PRIORITY_MASK = 0xf,

   168

};

   169

   170

typedef struct {

   171

	const DriverDesc *descs;

   172

	const char *name;

   173

	void *var;

   174

} DriverClass;

   175

   176

static DriverClass _driver_classes[] = {

   177

	{_video_driver_descs, "video", &_video_driver},

   178

	{_sound_driver_descs, "sound", &_sound_driver},

   179

	{_music_driver_descs, "music", &_music_driver},

   180

};

   181

   182

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

   183

{

   184

	do {

   185

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

   186

			return dd;

   187

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

   188

	return NULL;

   189

}

   190

   191

static const DriverDesc *ChooseDefaultDriver(const DriverDesc *dd)

   192

{

   193

	const DriverDesc *best = NULL;

   194

	int best_pri = -1;

   195

	do {

   196

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

   197

			best_pri = dd->flags&DF_PRIORITY_MASK;

   198

			best = dd;

   199

		}

   200

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

   201

	return best;

   202

}

   203

   204

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

   205

{

   206

	assert(len > 0);

   207

	while (--len && *src)

   208

		*dst++=*src++;

   209

	*dst = 0;

   210

}

   211

   212

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

   213

{

   214

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

   215

	return dst - 1;

   216

}

   217

   218

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

   219

{

   220

	FILE *in;

   221

	void *mem;

   222

	size_t len;

   223

   224

	in = fopen(filename, "rb");

   225

	if (in == NULL)

   226

		return NULL;

   227

   228

	fseek(in, 0, SEEK_END);

   229

	len = ftell(in);

   230

	fseek(in, 0, SEEK_SET);

   231

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

   232

		fclose(in);

   233

		return NULL;

   234

	}

   235

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

   236

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

   237

		fclose(in);

   238

		free(mem);

   239

		return NULL;

   240

	}

   241

	fclose(in);

   242

   243

	*lenp = len;

   244

	return mem;

   245

}

   246

   247

void LoadDriver(int driver, const char *name)

   248

{

   249

	const DriverClass *dc = &_driver_classes[driver];

   250

	const DriverDesc *dd;

   251

	const void **var;

   252

	const void *drv;

   253

	const char *err;

   254

	char *parm;

   255

	char buffer[256];

   256

	char *parms[32];

   257

   258

	parms[0] = NULL;

   259

   260

	if (!*name) {

   261

		dd = ChooseDefaultDriver(dc->descs);

   262

	} else {

   263

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

   264

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

   265

		parm = strchr(buffer, ':');

   266

		if (parm) {

   267

			int np = 0;

   268

			// Tokenize the parm.

   269

			do {

   270

				*parm++ = 0;

   271

				if (np < lengthof(parms) - 1)

   272

					parms[np++] = parm;

   273

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

   274

					parm++;

   275

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

   276

			parms[np] = NULL;

   277

		}

   278

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

   279

		if (dd == NULL)

   280

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

   281

	}

   282

	var = dc->var;

   283

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

   284

	*var = NULL;

   285

	drv = dd->drv;

   286

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

   287

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

   288

	*var = drv;

   289

}

   290

   291

static void showhelp()

   292

{

   293

	char buf[4096], *p;

   294

	const DriverClass *dc = _driver_classes;

   295

	const DriverDesc *dd;

   296

	int i;

   297

   298

	p = strecpy(buf,

   299

		"Command line options:\n"

   300

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

   301

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

   302

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

   303

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

   304

		"  -h     = Display this help text\n"

   305

		"  -t date= Set starting date\n"

   306

		"  -d dbg = Debug mode\n"

   307

		"  -l lng = Select Language\n"

   308

		"  -e     = Start Editor\n"

   309

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

   310

		"  -G seed= Set random seed\n"

   311

	);

   312

   313

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

   314

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

   315

		dd = dc->descs;

   316

		do {

   317

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

   318

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

   319

	}

   320

   321

	ShowInfo(buf);

   322

}

   323

   324

   325

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

   326

{

   327

	char *p;

   328

	int len = strlen(name);

   329

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

   330

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

   331

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

   332

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

   333

		}

   334

	}

   335

	return NULL;

   336

}

   337

   338

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

   339

{

   340

	char *p = GetDriverParam(parm, name);

   341

	return p != NULL;

   342

}

   343

   344

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

   345

{

   346

	char *p = GetDriverParam(parm, name);

   347

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

   348

}

   349

   350

typedef struct {

   351

	char *opt;

   352

	int numleft;

   353

	char **argv;

   354

	const char *options;

   355

	char *cont;

   356

} MyGetOptData;

   357

   358

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

   359

{

   360

	md->cont = NULL;

   361

	md->numleft = argc;

   362

	md->argv = argv;

   363

	md->options = options;

   364

}

   365

   366

static int MyGetOpt(MyGetOptData *md)

   367

{

   368

	char *s,*r,*t;

   369

   370

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

   371

		goto md_continue_here;

   372

   373

	while(true) {

   374

		if (--md->numleft < 0)

   375

			return -1;

   376

   377

		s = *md->argv++;

   378

		if (*s == '-') {

   379

md_continue_here:;

   380

			s++;

   381

			if (*s != 0) {

   382

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

   383

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

   384

					// ERROR!

   385

					return -2;

   386

				}

   387

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

   388

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

   389

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

   390

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

   391

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

   392

							// Check if item is optional?

   393

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

   394

								return -2;

   395

							md->numleft++;

   396

							t = NULL;

   397

						} else {

   398

							md->argv++;

   399

						}

   400

					}

   401

					md->opt = t;

   402

					md->cont = NULL;

   403

					return *s;

   404

				}

   405

				md->opt = NULL;

   406

				md->cont = s;

   407

				return *s;

   408

			}

   409

		} else {

   410

			// This is currently not supported.

   411

			return -2;

   412

		}

   413

	}

   414

}

   415

   416

void SetDebugString(const char *s)

   417

{

   418

	int v;

   419

	char *end;

   420

	const char *t;

   421

	int *p;

   422

   423

	// global debugging level?

   424

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

   425

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

   426

		s = end;

   427

   428

		_debug_spritecache_level = v;

   429

		_debug_misc_level = v;

   430

		_debug_grf_level = v;

   431

		_debug_ai_level = v;

   432

		_debug_net_level = v;

   433

	}

   434

   435

	// individual levels

   436

	for(;;) {

   437

		// skip delimiters

   438

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

   439

		if (*s == 0) break;

   440

   441

		t = s;

   442

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

   443

   444

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

   445

		// check debugging levels

   446

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

   447

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

   448

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

   449

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

   450

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

   451

		else {

   452

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

   453

			return;

   454

		}

   455

#undef IS_LVL

   456

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

   457

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

   458

		s = end;

   459

		if (p) *p = v;

   460

	}

   461

}

   462

   463

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

   464

{

   465

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

   466

	if (t == NULL) {

   467

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

   468

		return;

   469

	}

   470

   471

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

   472

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

   473

}

   474

   475

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

   476

{

   477

	MyGetOptData mgo;

   478

	int i;

   479

	int network = 0;

   480

	char *network_conn = NULL;

   481

	char *language = NULL;

   482

	char musicdriver[32], sounddriver[32], videodriver[32];

   483

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

   484

	uint startdate = -1;

   485

	_ignore_wrong_grf = false;

   486

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

   487

	_networking_override=false;

   488

   489

	_game_mode = GM_MENU;

   490

	_switch_mode = SM_MENU;

   491

	_switch_mode_errorstr = INVALID_STRING_ID;

   492

   493

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

   494

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

   495

		switch(i) {

   496

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

   497

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

   498

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

   499

		case 'n': {

   500

				network = 1;

   501

				_networking_override=true;

   502

				if (mgo.opt) {

   503

					network_conn = mgo.opt;

   504

					network++;

   505

				}

   506

				else

   507

					network_conn = NULL;

   508

			} break;

   509

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

   510

		case 'l': {

   511

				language = mgo.opt;

   512

			} break;

   513

		case 't': {

   514

				startdate = atoi(mgo.opt);

   515

			} break;

   516

		case 'd': {

   517

#if defined(WIN32)

   518

				CreateConsole();

   519

#endif

   520

				if (mgo.opt)

   521

					SetDebugString(mgo.opt);

   522

			} break;

   523

		case 'e': _switch_mode = SM_EDITOR; break;

   524

		case 'i': _ignore_wrong_grf = true; break;