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

    24

#include <stdarg.h>

    25

    26

void GameLoop();

    27

    28

void IncreaseSpriteLRU();

    29

void InitializeGame();

    30

void GenerateWorld(int mode);

    31

void CallLandscapeTick();

    32

void IncreaseDate();

    33

void RunOtherPlayersLoop();

    34

void DoPaletteAnimations();

    35

void MusicLoop();

    36

void ResetMusic();

    37

void InitializeStations();

    38

void DeleteAllPlayerStations();

    39

    40

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

    41

extern void DoStartupNewPlayer(bool is_ai);

    42

extern void UpdateAllSignVirtCoords();

    43

extern void ShowOSErrorBox(const char *buf);

    44

    45

void redsq_debug(int tile);

    46

bool LoadSavegame(const char *filename);

    47

    48

extern void HalGameLoop();

    49

    50

uint32 _pixels_redrawn;

    51

bool _dbg_screen_rect;

    52

bool disable_computer;

    53

    54

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

    55

	va_list va;

    56

	char buf[512];

    57

	va_start(va, s);

    58

	vsprintf(buf, s, va);

    59

	va_end(va);

    60

    61

	ShowOSErrorBox(buf);

    62

	if (_video_driver)

    63

		_video_driver->stop();

    64

    65

	assert(0);

    66

	exit(1);

    67

}

    68

    69

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

    70

{

    71

	va_list va;

    72

	char buf[1024];

    73

	va_start(va, s);

    74

	vsprintf(buf, s, va);

    75

	va_end(va);

    76

    77

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

    78

}

    79

    80

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

    81

{

    82

	va_list va;

    83

	char buf[1024];

    84

	va_start(va, str);

    85

	vsprintf(buf, str, va);

    86

	va_end(va);

    87

	ShowInfo(buf);

    88

}

    89

    90

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

    91

{

    92

	char buf[4096];

    93

	va_list va;

    94

	int len;

    95

	char *p;

    96

    97

	va_start(va, str);

    98

	len = vsprintf(buf, str, va);

    99

	va_end(va);

   100

	p = malloc(len + 1);

   101

	if (p)

   102

		memcpy(p, buf, len + 1);

   103

	return p;

   104

}

   105

   106

   107

// NULL midi driver

   108

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

   109

static void NullMidiStop() {}

   110

static void NullMidiPlaySong(const char *filename) {}

   111

static void NullMidiStopSong() {}

   112

static bool NullMidiIsSongPlaying() { return true; }

   113

static void NullMidiSetVolume(byte vol) {}

   114

   115

const HalMusicDriver _null_music_driver = {

   116

	NullMidiStart,

   117

	NullMidiStop,

   118

	NullMidiPlaySong,

   119

	NullMidiStopSong,

   120

	NullMidiIsSongPlaying,

   121

	NullMidiSetVolume,

   122

};

   123

   124

// NULL video driver

   125

static void *_null_video_mem;

   126

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

   127

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

   128

	_screen.height = _cur_resolution[1];

   129

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

   130

	return NULL;

   131

}

   132

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

   133

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

   134

static int NullVideoMainLoop() {

   135

	int i = 1000;

   136

	do {

   137

		GameLoop();

   138

		_screen.dst_ptr = _null_video_mem;

   139

		UpdateWindows();

   140

	}	while (--i);

   141

	return ML_QUIT;

   142

}

   143

   144

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

   145

   146

   147

const HalVideoDriver _null_video_driver = {

   148

	NullVideoStart,

   149

	NullVideoStop,

   150

	NullVideoMakeDirty,

   151

	NullVideoMainLoop,

   152

	NullVideoChangeRes,

   153

};

   154

   155

// NULL sound driver

   156

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

   157

static void NullSoundStop() {}

   158

const HalSoundDriver _null_sound_driver = {

   159

	NullSoundStart,

   160

	NullSoundStop,

   161

};

   162

   163

enum {

   164

	DF_PRIORITY_MASK = 0xf,

   165

};

   166

   167

typedef struct {

   168

	const DriverDesc *descs;

   169

	const char *name;

   170

	void *var;

   171

} DriverClass;

   172

   173

static DriverClass _driver_classes[] = {

   174

	{_video_driver_descs, "video", &_video_driver},

   175

	{_sound_driver_descs, "sound", &_sound_driver},

   176

	{_music_driver_descs, "music", &_music_driver},

   177

};

   178

   179

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

   180

{

   181

	do {

   182

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

   183

			return dd;

   184

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

   185

	return NULL;

   186

}

   187

   188

static const DriverDesc *ChooseDefaultDriver(const DriverDesc *dd)

   189

{

   190

	const DriverDesc *best = NULL;

   191

	int best_pri = -1;

   192

	do {

   193

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

   194

			best_pri = dd->flags&DF_PRIORITY_MASK;

   195

			best = dd;

   196

		}

   197

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

   198

	return best;

   199

}

   200

   201

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

   202

{

   203

	assert(len > 0);

   204

	while (--len && *src)

   205

		*dst++=*src++;

   206

	*dst = 0;

   207

}

   208

   209

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

   210

{

   211

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

   212

	return dst - 1;

   213

}

   214

   215

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

   216

{

   217

	FILE *in;

   218

	void *mem;

   219

	size_t len;

   220

   221

	in = fopen(filename, "rb");

   222

	if (in == NULL)

   223

		return NULL;

   224

   225

	fseek(in, 0, SEEK_END);

   226

	len = ftell(in);

   227

	fseek(in, 0, SEEK_SET);

   228

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

   229

		fclose(in);

   230

		return NULL;

   231

	}

   232

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

   233

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

   234

		fclose(in);

   235

		free(mem);

   236

		return NULL;

   237

	}

   238

	fclose(in);

   239

   240

	*lenp = len;

   241

	return mem;

   242

}

   243

   244

void LoadDriver(int driver, const char *name)

   245

{

   246

	const DriverClass *dc = &_driver_classes[driver];

   247

	const DriverDesc *dd;

   248

	const void **var;

   249

	const void *drv;

   250

	const char *err;

   251

	char *parm;

   252

	char buffer[256];

   253

	char *parms[32];

   254

   255

	parms[0] = NULL;

   256

   257

	if (!*name) {

   258

		dd = ChooseDefaultDriver(dc->descs);

   259

	} else {

   260

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

   261

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

   262

		parm = strchr(buffer, ':');

   263

		if (parm) {

   264

			int np = 0;

   265

			// Tokenize the parm.

   266

			do {

   267

				*parm++ = 0;

   268

				if (np < lengthof(parms) - 1)

   269

					parms[np++] = parm;

   270

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

   271

					parm++;

   272

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

   273

			parms[np] = NULL;

   274

		}

   275

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

   276

		if (dd == NULL)

   277

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

   278

	}

   279

	var = dc->var;

   280

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

   281

	*var = NULL;

   282

	drv = dd->drv;

   283

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

   284

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

   285

	*var = drv;

   286

}

   287

   288

void PrintDriverList()

   289

{

   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;

   432

	}

   433

   434

	// individual levels

   435

	for(;;) {

   436

		// skip delimiters

   437

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

   438

		if (*s == 0) break;

   439

   440

		t = s;

   441

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

   442

   443

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

   444

		// check debugging levels

   445

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

   446

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

   448

		else {

   449

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

   450

			return;

   451

		}

   452

#undef IS_LVL

   453

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

   454

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

   455

		s = end;

   456

		if (p) *p = v;

   457

	}		

   458

}

   459

   460

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

   461

{

   462

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

   463

	if (t == NULL) {

   464

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

   465

		return;

   466

	}

   467

   468

	res[0] = (strtoul(s, NULL, 0) + 7) & ~7;

   469

	res[1] = (strtoul(t+1, NULL, 0) + 7) & ~7;

   470

} 

   471

   472

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

   473

{

   474

	MyGetOptData mgo;

   475

	int i;

   476

	int network = 0;

   477

	char *network_conn = NULL;

   478

	char *language = NULL;

   479

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

   480

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

   481

	uint startdate = -1;

   482

	_ignore_wrong_grf = false;

   483

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

   484

   485

	_game_mode = GM_MENU;

   486

	_switch_mode = SM_MENU;

   487

   488

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

   489

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

   490

		switch(i) {

   491

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

   492

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

   493

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

   494

		case 'n': {

   495

				network = 1; 

   496

				if (mgo.opt) {

   497

					network_conn = mgo.opt; 

   498

					network++;

   499

				}

   500

				else

   501

					network_conn = NULL;

   502

			} break;

   503

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

   504

		case 'l': {

   505

				language = mgo.opt;

   506

			} break;

   507

		case 't': {

   508

				startdate = atoi(mgo.opt);

   509

			} break;

   510

		case 'd': {

   511

#if defined(WIN32)

   512

				CreateConsole();

   513

#endif

   514

				if (mgo.opt)

   515

					SetDebugString(mgo.opt);

   516

			} break;

   517

		case 'e': _switch_mode = SM_EDITOR; break;

   518

		case 'i': _ignore_wrong_grf = true; break;

   519

		case 'g': 

   520

			if (mgo.opt) {

   521

				strcpy(_file_to_saveload.name, mgo.opt);

   522

				_switch_mode = SM_LOAD;

   523

			} else

   524

				_switch_mode = SM_NEWGAME;

   525

			break;

   526

		case 'G':

   527

			_random_seed_1 = atoi(mgo.opt);

   528

			break;