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"

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#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

#include "screenshot.h"

    26

    27

#include <stdarg.h>

    28

    29

void GameLoop();

    30

    31

void IncreaseSpriteLRU();

    32

void InitializeGame();

    33

void GenerateWorld(int mode);

    34

void CallLandscapeTick();

    35

void IncreaseDate();

    36

void RunOtherPlayersLoop();

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void DoPaletteAnimations();

    38

void MusicLoop();

    39

void ResetMusic();

    40

void InitializeStations();

    41

void DeleteAllPlayerStations();

    42

    43

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

    44

extern void DoStartupNewPlayer(bool is_ai);

    45

extern void UpdateAllSignVirtCoords();

    46

extern void ShowOSErrorBox(const char *buf);

    47

    48

void redsq_debug(int tile);

    49

bool LoadSavegame(const char *filename);

    50

    51

extern void HalGameLoop();

    52

    53

uint32 _pixels_redrawn;

    54

bool _dbg_screen_rect;

    55

bool disable_computer;

    56

static byte _os_version = 0;

    57

    58

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

    59

	va_list va;

    60

	char buf[512];

    61

	va_start(va, s);

    62

	vsprintf(buf, s, va);

    63

	va_end(va);

    64

    65

	ShowOSErrorBox(buf);

    66

	if (_video_driver)

    67

		_video_driver->stop();

    68

    69

	assert(0);

    70

	exit(1);

    71

}

    72

    73

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

    74

{

    75

	va_list va;

    76

	char buf[1024];

    77

	va_start(va, s);

    78

	vsprintf(buf, s, va);

    79

	va_end(va);

    80

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

    81

	IConsoleDebug((byte *) &buf);

    82

}

    83

    84

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

    85

{

    86

	va_list va;

    87

	char buf[1024];

    88

	va_start(va, str);

    89

	vsprintf(buf, str, va);

    90

	va_end(va);

    91

	ShowInfo(buf);

    92

}

    93

    94

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

    95

{

    96

	char buf[4096];

    97

	va_list va;

    98

	int len;

    99

	char *p;

   100

   101

	va_start(va, str);

   102

	len = vsprintf(buf, str, va);

   103

	va_end(va);

   104

	p = malloc(len + 1);

   105

	if (p)

   106

		memcpy(p, buf, len + 1);

   107

	return p;

   108

}

   109

   110

   111

// NULL midi driver

   112

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

   113

static void NullMidiStop() {}

   114

static void NullMidiPlaySong(const char *filename) {}

   115

static void NullMidiStopSong() {}

   116

static bool NullMidiIsSongPlaying() { return true; }

   117

static void NullMidiSetVolume(byte vol) {}

   118

   119

const HalMusicDriver _null_music_driver = {

   120

	NullMidiStart,

   121

	NullMidiStop,

   122

	NullMidiPlaySong,

   123

	NullMidiStopSong,

   124

	NullMidiIsSongPlaying,

   125

	NullMidiSetVolume,

   126

};

   127

   128

// NULL video driver

   129

static void *_null_video_mem;

   130

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

   131

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

   132

	_screen.height = _cur_resolution[1];

   133

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

   134

	return NULL;

   135

}

   136

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

   137

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

   138

static int NullVideoMainLoop() {

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

   161

static void NullSoundStop() {}

   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

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

   206

{

   207

	assert(len > 0);

   208

	while (--len && *src)

   209

		*dst++=*src++;

   210

	*dst = 0;

   211

}

   212

   213

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

   214

{

   215

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

   216

	return dst - 1;

   217

}

   218

   219

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

   220

{

   221

	FILE *in;

   222

	void *mem;

   223

	size_t len;

   224

   225

	in = fopen(filename, "rb");

   226

	if (in == NULL)

   227

		return NULL;

   228

   229

	fseek(in, 0, SEEK_END);

   230

	len = ftell(in);

   231

	fseek(in, 0, SEEK_SET);

   232

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

   233

		fclose(in);

   234

		return NULL;

   235

	}

   236

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

   237

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

   238

		fclose(in);

   239

		free(mem);

   240

		return NULL;

   241

	}

   242

	fclose(in);

   243

   244

	*lenp = len;

   245

	return mem;

   246

}

   247

   248

void LoadDriver(int driver, const char *name)

   249

{

   250

	const DriverClass *dc = &_driver_classes[driver];

   251

	const DriverDesc *dd;

   252

	const void **var;

   253

	const void *drv;

   254

	const char *err;

   255

	char *parm;

   256

	char buffer[256];

   257

	char *parms[32];

   258

   259

	parms[0] = NULL;

   260

   261

	if (!*name) {

   262

		dd = ChooseDefaultDriver(dc->descs);

   263

	} else {

   264

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

   265

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

   266

		parm = strchr(buffer, ':');

   267

		if (parm) {

   268

			int np = 0;

   269

			// Tokenize the parm.

   270

			do {

   271

				*parm++ = 0;

   272

				if (np < lengthof(parms) - 1)

   273

					parms[np++] = parm;

   274

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

   275

					parm++;

   276

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

   277

			parms[np] = NULL;

   278

		}

   279

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

   280

		if (dd == NULL)

   281

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

   282

	}

   283

	var = dc->var;

   284

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

   285

	*var = NULL;

   286

	drv = dd->drv;

   287

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

   288

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

   289

	*var = drv;

   290

}

   291

   292

static void showhelp()

   293

{

   294

	char buf[4096], *p;

   295

	const DriverClass *dc = _driver_classes;

   296

	const DriverDesc *dd;

   297

	int i;

   298

   299

	p = strecpy(buf,

   300

		"Command line options:\n"

   301

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

   302

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

   303

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

   304

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

   305

		"  -h     = Display this help text\n"

   306

		"  -t date= Set starting date\n"

   307

		"  -d dbg = Debug mode\n"

   308

		"  -l lng = Select Language\n"

   309

		"  -e     = Start Editor\n"

   310

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

   311

		"  -G seed= Set random seed\n"

   312

	);

   313

   314

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

   315

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

   316

		dd = dc->descs;

   317

		do {

   318

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

   319

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

   320

	}

   321

   322

	ShowInfo(buf);

   323

}

   324

   325

   326

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

   327

{

   328

	char *p;

   329

	int len = strlen(name);

   330

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

   331

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

   332

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

   333

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

   334

		}

   335

	}

   336

	return NULL;

   337

}

   338

   339

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

   340

{

   341

	char *p = GetDriverParam(parm, name);

   342

	return p != NULL;

   343

}

   344

   345

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

   346

{

   347

	char *p = GetDriverParam(parm, name);

   348

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

   349

}

   350

   351

typedef struct {

   352

	char *opt;

   353

	int numleft;

   354

	char **argv;

   355

	const char *options;

   356

	char *cont;

   357

} MyGetOptData;

   358

   359

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

   360

{

   361

	md->cont = NULL;

   362

	md->numleft = argc;

   363

	md->argv = argv;

   364

	md->options = options;

   365

}

   366

   367

static int MyGetOpt(MyGetOptData *md)

   368

{

   369

	char *s,*r,*t;

   370

   371

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

   372

		goto md_continue_here;

   373

   374

	while(true) {

   375

		if (--md->numleft < 0)

   376

			return -1;

   377

   378

		s = *md->argv++;

   379

		if (*s == '-') {

   380

md_continue_here:;

   381

			s++;

   382

			if (*s != 0) {

   383

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

   384

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

   385

					// ERROR!

   386

					return -2;

   387

				}

   388

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

   389

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

   390

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

   391

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

   392

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

   393

							// Check if item is optional?

   394

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

   395

								return -2;

   396

							md->numleft++;

   397

							t = NULL;

   398

						} else {

   399

							md->argv++;

   400

						}

   401

					}

   402

					md->opt = t;

   403

					md->cont = NULL;

   404

					return *s;

   405

				}

   406

				md->opt = NULL;

   407

				md->cont = s;

   408

				return *s;

   409

			}

   410

		} else {

   411

			// This is currently not supported.

   412

			return -2;

   413

		}

   414

	}

   415

}

   416

   417

void SetDebugString(const char *s)

   418

{

   419

	int v;

   420

	char *end;

   421

	const char *t;

   422

	int *p;

   423

   424

	// global debugging level?

   425

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

   426

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

   427

		s = end;

   428

   429

		_debug_spritecache_level = v;

   430

		_debug_misc_level = v;

   431

		_debug_grf_level = v;

   432

		_debug_ai_level = v;

   433

		_debug_net_level = v;

   434

	}

   435

   436

	// individual levels

   437

	for(;;) {

   438

		// skip delimiters

   439

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

   440

		if (*s == 0) break;

   441

   442

		t = s;

   443

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

   444

   445

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

   446

		// check debugging levels

   447

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

   448

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

   449

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

   450

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

   451

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

   452

		else {

   453

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

   454

			return;

   455

		}

   456

#undef IS_LVL

   457

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

   458

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

   459

		s = end;

   460

		if (p) *p = v;

   461

	}

   462

}

   463

   464

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

   465

{

   466

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

   467

	if (t == NULL) {

   468

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

   469

		return;

   470

	}

   471

   472

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

   473

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

   474

}

   475

   476

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

   477

{

   478

	MyGetOptData mgo;

   479

	int i;

   480

	int network = 0;

   481

	char *network_conn = NULL;

   482

	char *language = NULL;

   483

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

   484

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

   485

	uint startdate = -1;

   486

	_ignore_wrong_grf = false;

   487

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

   488

	_networking_override=false;

   489

   490

	_game_mode = GM_MENU;

   491

	_switch_mode = SM_MENU;

   492

	_switch_mode_errorstr = INVALID_STRING_ID;

   493

   494

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

   495

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

   496

		switch(i) {

   497

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

   498

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

   499

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

   500

		case 'n': {

   501

				network = 1;

   502

				_networking_override=true;

   503

				if (mgo.opt) {

   504

					network_conn = mgo.opt;

   505

					network++;

   506

				}

   507

				else

   508

					network_conn = NULL;

   509

			} break;

   510

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

   511

		case 'l': {

   512

				language = mgo.opt;

   513

			} break;

   514

		case 't': {

   515

				startdate = atoi(mgo.opt);

   516

			} break;

   517

		case 'd': {

   518

#if defined(WIN32)

   519

				CreateConsole();

   520

#endif

   521

				if (mgo.opt)

   522

					SetDebugString(mgo.opt);

   523

			} break;

   524

		case 'e': _switch_mode = SM_EDITOR; break;