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

    25

#include <stdarg.h>

    26

    27

void GameLoop();

    28

    29

void IncreaseSpriteLRU();

    30

void InitializeGame();

    31

void GenerateWorld(int mode);

    32

void CallLandscapeTick();

    33

void IncreaseDate();

    34

void RunOtherPlayersLoop();

    35

void DoPaletteAnimations();

    36

void MusicLoop();

    37

void ResetMusic();

    38

void InitializeStations();

    39

void DeleteAllPlayerStations();

    40

    41

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

    42

extern void DoStartupNewPlayer(bool is_ai);

    43

extern void UpdateAllSignVirtCoords();

    44

extern void ShowOSErrorBox(const char *buf);

    45

    46

void redsq_debug(int tile);

    47

bool LoadSavegame(const char *filename);

    48

    49

extern void HalGameLoop();

    50

    51

uint32 _pixels_redrawn;

    52

bool _dbg_screen_rect;

    53

bool disable_computer;

    54

    55

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

    56

	va_list va;

    57

	char buf[512];

    58

	va_start(va, s);

    59

	vsprintf(buf, s, va);

    60

	va_end(va);

    61

    62

	ShowOSErrorBox(buf);

    63

	if (_video_driver)

    64

		_video_driver->stop();

    65

    66

	assert(0);

    67

	exit(1);

    68

}

    69

    70

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

    71

{

    72

	va_list va;

    73

	char buf[1024];

    74

	va_start(va, s);

    75

	vsprintf(buf, s, va);

    76

	va_end(va);

    77

    78

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

    79

}

    80

    81

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

    82

{

    83

	va_list va;

    84

	char buf[1024];

    85

	va_start(va, str);

    86

	vsprintf(buf, str, va);

    87

	va_end(va);

    88

	ShowInfo(buf);

    89

}

    90

    91

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

    92

{

    93

	char buf[4096];

    94

	va_list va;

    95

	int len;

    96

	char *p;

    97

    98

	va_start(va, str);

    99

	len = vsprintf(buf, str, va);

   100

	va_end(va);

   101

	p = malloc(len + 1);

   102

	if (p)

   103

		memcpy(p, buf, len + 1);

   104

	return p;

   105

}

   106

   107

   108

// NULL midi driver

   109

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

   110

static void NullMidiStop() {}

   111

static void NullMidiPlaySong(const char *filename) {}

   112

static void NullMidiStopSong() {}

   113

static bool NullMidiIsSongPlaying() { return true; }

   114

static void NullMidiSetVolume(byte vol) {}

   115

   116

const HalMusicDriver _null_music_driver = {

   117

	NullMidiStart,

   118

	NullMidiStop,

   119

	NullMidiPlaySong,

   120

	NullMidiStopSong,

   121

	NullMidiIsSongPlaying,

   122

	NullMidiSetVolume,

   123

};

   124

   125

// NULL video driver

   126

static void *_null_video_mem;

   127

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

   128

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

   129

	_screen.height = _cur_resolution[1];

   130

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

   131

	return NULL;

   132

}

   133

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

   134

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

   135

static int NullVideoMainLoop() {

   136

	int i = 1000;

   137

	do {

   138

		GameLoop();

   139

		_screen.dst_ptr = _null_video_mem;

   140

		UpdateWindows();

   141

	}	while (--i);

   142

	return ML_QUIT;

   143

}

   144

   145

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

   146

   147

   148

const HalVideoDriver _null_video_driver = {

   149

	NullVideoStart,

   150

	NullVideoStop,

   151

	NullVideoMakeDirty,

   152

	NullVideoMainLoop,

   153

	NullVideoChangeRes,

   154

};

   155

   156

// NULL sound driver

   157

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

   158

static void NullSoundStop() {}

   159

const HalSoundDriver _null_sound_driver = {

   160

	NullSoundStart,

   161

	NullSoundStop,

   162

};

   163

   164

enum {

   165

	DF_PRIORITY_MASK = 0xf,

   166

};

   167

   168

typedef struct {

   169

	const DriverDesc *descs;

   170

	const char *name;

   171

	void *var;

   172

} DriverClass;

   173

   174

static DriverClass _driver_classes[] = {

   175

	{_video_driver_descs, "video", &_video_driver},

   176

	{_sound_driver_descs, "sound", &_sound_driver},

   177

	{_music_driver_descs, "music", &_music_driver},

   178

};

   179

   180

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

   181

{

   182

	do {

   183

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

   184

			return dd;

   185

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

   186

	return NULL;

   187

}

   188

   189

static const DriverDesc *ChooseDefaultDriver(const DriverDesc *dd)

   190

{

   191

	const DriverDesc *best = NULL;

   192

	int best_pri = -1;

   193

	do {

   194

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

   195

			best_pri = dd->flags&DF_PRIORITY_MASK;

   196

			best = dd;

   197

		}

   198

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

   199

	return best;

   200

}

   201

   202

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

   203

{

   204

	assert(len > 0);

   205

	while (--len && *src)

   206

		*dst++=*src++;

   207

	*dst = 0;

   208

}

   209

   210

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

   211

{

   212

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

   213

	return dst - 1;

   214

}

   215

   216

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

   217

{

   218

	FILE *in;

   219

	void *mem;

   220

	size_t len;

   221

   222

	in = fopen(filename, "rb");

   223

	if (in == NULL)

   224

		return NULL;

   225

   226

	fseek(in, 0, SEEK_END);

   227

	len = ftell(in);

   228

	fseek(in, 0, SEEK_SET);

   229

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

   230

		fclose(in);

   231

		return NULL;

   232

	}

   233

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

   234

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

   235

		fclose(in);

   236

		free(mem);

   237

		return NULL;

   238

	}

   239

	fclose(in);

   240

   241

	*lenp = len;

   242

	return mem;

   243

}

   244

   245

void LoadDriver(int driver, const char *name)

   246

{

   247

	const DriverClass *dc = &_driver_classes[driver];

   248

	const DriverDesc *dd;

   249

	const void **var;

   250

	const void *drv;

   251

	const char *err;

   252

	char *parm;

   253

	char buffer[256];

   254

	char *parms[32];

   255

   256

	parms[0] = NULL;

   257

   258

	if (!*name) {

   259

		dd = ChooseDefaultDriver(dc->descs);

   260

	} else {

   261

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

   262

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

   263

		parm = strchr(buffer, ':');

   264

		if (parm) {

   265

			int np = 0;

   266

			// Tokenize the parm.

   267

			do {

   268

				*parm++ = 0;

   269

				if (np < lengthof(parms) - 1)

   270

					parms[np++] = parm;

   271

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

   272

					parm++;

   273

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

   274

			parms[np] = NULL;

   275

		}

   276

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

   277

		if (dd == NULL)

   278

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

   279

	}

   280

	var = dc->var;

   281

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

   282

	*var = NULL;

   283

	drv = dd->drv;

   284

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

   285

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

   286

	*var = drv;

   287

}

   288

   289

void PrintDriverList()

   290

{

   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

	}

   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 {

   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) + 7) & ~7;

   472

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

   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

   492

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

   493

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

   494

		switch(i) {

   495

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

   496

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

   497

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

   498

		case 'n': {

   499

				network = 1; 

   500

				_networking_override=true;

   501

				if (mgo.opt) {

   502

					network_conn = mgo.opt; 

   503

					network++;

   504

				}

   505

				else

   506

					network_conn = NULL;

   507

			} break;

   508

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

   509

		case 'l': {

   510

				language = mgo.opt;

   511

			} break;

   512

		case 't': {

   513

				startdate = atoi(mgo.opt);

   514

			} break;

   515

		case 'd': {

   516

#if defined(WIN32)

   517

				CreateConsole();

   518

#endif

   519

				if (mgo.opt)

   520

					SetDebugString(mgo.opt);

   521

			} break;

   522

		case 'e': _switch_mode = SM_EDITOR; break;

   523

		case 'i': _ignore_wrong_grf = true; break;

   524

		case 'g': 

   525

			if (mgo.opt) {

   526

				strcpy(_file_to_saveload.name, mgo.opt);

   527

				_switch_mode = SM_LOAD;