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

    56

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

    57

	va_list va;

    58

	char buf[512];

    59

	va_start(va, s);

    60

	vsprintf(buf, s, va);

    61

	va_end(va);

    62

    63

	ShowOSErrorBox(buf);

    64

	if (_video_driver)

    65

		_video_driver->stop();

    66

    67

	assert(0);

    68

	exit(1);

    69

}

    70

    71

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

    72

{

    73

	va_list va;

    74

	char buf[1024];

    75

	va_start(va, s);

    76

	vsprintf(buf, s, va);

    77

	va_end(va);

    78

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

    79

	IConsoleDebug((byte *) &buf);

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

   111

static void NullMidiStop() {}

   112

static void NullMidiPlaySong(const char *filename) {}

   113

static void NullMidiStopSong() {}

   114

static bool NullMidiIsSongPlaying() { 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(char **parm) {

   129

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

   130

	_screen.height = _cur_resolution[1];

   131

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

   132

	return NULL;

   133

}

   134

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

   135

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

   136

static int NullVideoMainLoop() {

   137

	int i = 1000;

   138

	do {

   139

		GameLoop();

   140

		_screen.dst_ptr = _null_video_mem;

   141

		UpdateWindows();

   142

	}	while (--i);

   143

	return ML_QUIT;

   144

}

   145

   146

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

   147

   148

   149

const HalVideoDriver _null_video_driver = {

   150

	NullVideoStart,

   151

	NullVideoStop,

   152

	NullVideoMakeDirty,

   153

	NullVideoMainLoop,

   154

	NullVideoChangeRes,

   155

};

   156

   157

// NULL sound driver

   158

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

   159

static void NullSoundStop() {}

   160

const HalSoundDriver _null_sound_driver = {

   161

	NullSoundStart,

   162

	NullSoundStop,

   163

};

   164

   165

enum {

   166

	DF_PRIORITY_MASK = 0xf,

   167

};

   168

   169

typedef struct {

   170

	const DriverDesc *descs;

   171

	const char *name;

   172

	void *var;

   173

} DriverClass;

   174

   175

static DriverClass _driver_classes[] = {

   176

	{_video_driver_descs, "video", &_video_driver},

   177

	{_sound_driver_descs, "sound", &_sound_driver},

   178

	{_music_driver_descs, "music", &_music_driver},

   179

};

   180

   181

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

   182

{

   183

	do {

   184

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

   185

			return dd;

   186

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

   187

	return NULL;

   188

}

   189

   190

static const DriverDesc *ChooseDefaultDriver(const DriverDesc *dd)

   191

{

   192

	const DriverDesc *best = NULL;

   193

	int best_pri = -1;

   194

	do {

   195

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

   196

			best_pri = dd->flags&DF_PRIORITY_MASK;

   197

			best = dd;

   198

		}

   199

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

   200

	return best;

   201

}

   202

   203

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

   204

{

   205

	assert(len > 0);

   206

	while (--len && *src)

   207

		*dst++=*src++;

   208

	*dst = 0;

   209

}

   210

   211

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

   212

{

   213

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

   214

	return dst - 1;

   215

}

   216

   217

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

   218

{

   219

	FILE *in;

   220

	void *mem;

   221

	size_t len;

   222

   223

	in = fopen(filename, "rb");

   224

	if (in == NULL)

   225

		return NULL;

   226

   227

	fseek(in, 0, SEEK_END);

   228

	len = ftell(in);

   229

	fseek(in, 0, SEEK_SET);

   230

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

   231

		fclose(in);

   232

		return NULL;

   233

	}

   234

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

   235

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

   236

		fclose(in);

   237

		free(mem);

   238

		return NULL;

   239

	}

   240

	fclose(in);

   241

   242

	*lenp = len;

   243

	return mem;

   244

}

   245

   246

void LoadDriver(int driver, const char *name)

   247

{

   248

	const DriverClass *dc = &_driver_classes[driver];

   249

	const DriverDesc *dd;

   250

	const void **var;

   251

	const void *drv;

   252

	const char *err;

   253

	char *parm;

   254

	char buffer[256];

   255

	char *parms[32];

   256

   257

	parms[0] = NULL;

   258

   259

	if (!*name) {

   260

		dd = ChooseDefaultDriver(dc->descs);

   261

	} else {

   262

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

   263

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

   264

		parm = strchr(buffer, ':');

   265

		if (parm) {

   266

			int np = 0;

   267

			// Tokenize the parm.

   268

			do {

   269

				*parm++ = 0;

   270

				if (np < lengthof(parms) - 1)

   271

					parms[np++] = parm;

   272

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

   273

					parm++;

   274

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

   275

			parms[np] = NULL;

   276

		}

   277

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

   278

		if (dd == NULL)

   279

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

   280

	}

   281

	var = dc->var;

   282

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

   283

	*var = NULL;

   284

	drv = dd->drv;

   285

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

   286

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

   287

	*var = drv;

   288

}

   289

   290

void PrintDriverList()

   291

{

   292

}

   293

   294

static void showhelp()

   295

{

   296

	char buf[4096], *p;

   297

	const DriverClass *dc = _driver_classes;

   298

	const DriverDesc *dd;

   299

	int i;

   300

   301

	p = strecpy(buf, 

   302

		"Command line options:\n"

   303

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

   304

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

   305

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

   306

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

   307

		"  -h     = Display this help text\n"

   308

		"  -t date= Set starting date\n"

   309

		"  -d dbg = Debug mode\n"

   310

		"  -l lng = Select Language\n"

   311

		"  -e     = Start Editor\n"

   312

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

   313

		"  -G seed= Set random seed\n"

   314

	);

   315

   316

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

   317

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

   318

		dd = dc->descs;

   319

		do {

   320

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

   321

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

   322

	}

   323

   324

	ShowInfo(buf);

   325

}

   326

   327

   328

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

   329

{

   330

	char *p;

   331

	int len = strlen(name);

   332

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

   333

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

   334

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

   335

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

   336

		}

   337

	}

   338

	return NULL;

   339

}

   340

   341

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

   342

{

   343

	char *p = GetDriverParam(parm, name);

   344

	return p != NULL;

   345

}

   346

   347

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

   348

{

   349

	char *p = GetDriverParam(parm, name);

   350

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

   351

}

   352

   353

typedef struct {

   354

	char *opt;

   355

	int numleft;

   356

	char **argv;

   357

	const char *options;

   358

	char *cont;

   359

} MyGetOptData;

   360

   361

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

   362

{

   363

	md->cont = NULL;

   364

	md->numleft = argc;

   365

	md->argv = argv;

   366

	md->options = options;

   367

}

   368

   369

static int MyGetOpt(MyGetOptData *md)

   370

{

   371

	char *s,*r,*t;

   372

   373

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

   374

		goto md_continue_here;

   375

   376

	while(true) {

   377

		if (--md->numleft < 0)

   378

			return -1;

   379

   380

		s = *md->argv++;

   381

		if (*s == '-') {

   382

md_continue_here:;

   383

			s++;

   384

			if (*s != 0) {

   385

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

   386

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

   387

					// ERROR!

   388

					return -2;

   389

				}

   390

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

   391

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

   392

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

   393

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

   394

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

   395

							// Check if item is optional?

   396

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

   397

								return -2;

   398

							md->numleft++;

   399

							t = NULL;

   400

						} else {

   401

							md->argv++;

   402

						}

   403

					}

   404

					md->opt = t;

   405

					md->cont = NULL;

   406

					return *s;

   407

				}

   408

				md->opt = NULL;

   409

				md->cont = s;

   410

				return *s;

   411

			}

   412

		} else {

   413

			// This is currently not supported.

   414

			return -2;

   415

		}

   416

	}

   417

}

   418

   419

void SetDebugString(const char *s)

   420

{

   421

	int v;

   422

	char *end;

   423

	const char *t;

   424

	int *p;

   425

   426

	// global debugging level?

   427

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

   428

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

   429

		s = end;

   430

   431

		_debug_spritecache_level = v;

   432

		_debug_misc_level = v;

   433

		_debug_grf_level = v;

   434

		_debug_ai_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 {

   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) + 7) & ~7;

   473

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

   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

   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;

   525

		case 'g': 

   526

			if (mgo.opt) {

   527

				strcpy(_file_to_saveload.name, mgo.opt);