1

#include "stdafx.h"

     2

#include "table/strings.h"

     3

#include "map.h"

     4

     5

#define VARDEF

     6

#include "ttd.h"

     7

#include "gfx.h"

     8

#include "gui.h"

     9

#include "station.h"

    10

#include "vehicle.h"

    11

#include "viewport.h"

    12

#include "window.h"

    13

#include "player.h"

    14

#include "command.h"

    15

#include "town.h"

    16

#include "industry.h"

    17

#include "news.h"

    18

#include "engine.h"

    19

#include "sound.h"

    20

#include "economy.h"

    21

#include "fileio.h"

    22

#include "hal.h"

    23

#include "airport.h"

    24

#include "saveload.h"

    25

#include "ai.h"

    26

#include "console.h"

    27

#include "screenshot.h"

    28

#include "network.h"

    29

    30

#include <stdarg.h>

    31

    32

void GameLoop();

    33

    34

void IncreaseSpriteLRU();

    35

void InitializeGame();

    36

void GenerateWorld(int mode);

    37

void CallLandscapeTick();

    38

void IncreaseDate();

    39

void RunOtherPlayersLoop();

    40

void DoPaletteAnimations();

    41

void MusicLoop();

    42

void ResetMusic();

    43

void InitializeStations();

    44

void DeleteAllPlayerStations();

    45

    46

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

    47

extern void DoStartupNewPlayer(bool is_ai);

    48

extern void UpdateAllSignVirtCoords();

    49

extern void ShowOSErrorBox(const char *buf);

    50

    51

void redsq_debug(int tile);

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bool LoadSavegame(const char *filename);

    53

    54

extern void HalGameLoop();

    55

    56

uint32 _pixels_redrawn;

    57

bool _dbg_screen_rect;

    58

bool disable_computer; // We should get ride of this thing.. is only used for a debug-cheat

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static byte _os_version = 0;

    60

    61

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

    62

	va_list va;

    63

	char buf[512];

    64

	va_start(va, s);

    65

	vsprintf(buf, s, va);

    66

	va_end(va);

    67

    68

	ShowOSErrorBox(buf);

    69

	if (_video_driver)

    70

		_video_driver->stop();

    71

    72

	assert(0);

    73

	exit(1);

    74

}

    75

    76

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

    77

{

    78

	va_list va;

    79

	char buf[1024];

    80

	va_start(va, s);

    81

	vsprintf(buf, s, va);

    82

	va_end(va);

    83

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

    84

	IConsoleDebug((byte *) &buf);

    85

}

    86

    87

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

    88

{

    89

	va_list va;

    90

	char buf[1024];

    91

	va_start(va, str);

    92

	vsprintf(buf, str, va);

    93

	va_end(va);

    94

	ShowInfo(buf);

    95

}

    96

    97

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

    98

{

    99

	char buf[4096];

   100

	va_list va;

   101

	int len;

   102

	char *p;

   103

   104

	va_start(va, str);

   105

	len = vsprintf(buf, str, va);

   106

	va_end(va);

   107

	p = malloc(len + 1);

   108

	if (p)

   109

		memcpy(p, buf, len + 1);

   110

	return p;

   111

}

   112

   113

   114

// NULL midi driver

   115

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

   116

static void NullMidiStop() {}

   117

static void NullMidiPlaySong(const char *filename) {}

   118

static void NullMidiStopSong() {}

   119

static bool NullMidiIsSongPlaying() { return true; }

   120

static void NullMidiSetVolume(byte vol) {}

   121

   122

const HalMusicDriver _null_music_driver = {

   123

	NullMidiStart,

   124

	NullMidiStop,

   125

	NullMidiPlaySong,

   126

	NullMidiStopSong,

   127

	NullMidiIsSongPlaying,

   128

	NullMidiSetVolume,

   129

};

   130

   131

// NULL video driver

   132

static void *_null_video_mem;

   133

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

   134

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

   135

	_screen.height = _cur_resolution[1];

   136

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

   137

	return NULL;

   138

}

   139

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

   140

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

   141

static int NullVideoMainLoop() {

   142

	int i = 1000;

   143

	do {

   144

		GameLoop();

   145

		_screen.dst_ptr = _null_video_mem;

   146

		UpdateWindows();

   147

	}	while (--i);

   148

	return ML_QUIT;

   149

}

   150

   151

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

   152

   153

   154

const HalVideoDriver _null_video_driver = {

   155

	NullVideoStart,

   156

	NullVideoStop,

   157

	NullVideoMakeDirty,

   158

	NullVideoMainLoop,

   159

	NullVideoChangeRes,

   160

};

   161

   162

// NULL sound driver

   163

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

   164

static void NullSoundStop() {}

   165

const HalSoundDriver _null_sound_driver = {

   166

	NullSoundStart,

   167

	NullSoundStop,

   168

};

   169

   170

enum {

   171

	DF_PRIORITY_MASK = 0xf,

   172

};

   173

   174

typedef struct {

   175

	const DriverDesc *descs;

   176

	const char *name;

   177

	void *var;

   178

} DriverClass;

   179

   180

static DriverClass _driver_classes[] = {

   181

	{_video_driver_descs, "video", &_video_driver},

   182

	{_sound_driver_descs, "sound", &_sound_driver},

   183

	{_music_driver_descs, "music", &_music_driver},

   184

};

   185

   186

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

   187

{

   188

	do {

   189

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

   190

			return dd;

   191

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

   192

	return NULL;

   193

}

   194

   195

static const DriverDesc *ChooseDefaultDriver(const DriverDesc *dd)

   196

{

   197

	const DriverDesc *best = NULL;

   198

	int best_pri = -1;

   199

	do {

   200

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

   201

			best_pri = dd->flags&DF_PRIORITY_MASK;

   202

			best = dd;

   203

		}

   204

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

   205

	return best;

   206

}

   207

   208

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

   209

{

   210

	assert(len > 0);

   211

	while (--len && *src)

   212

		*dst++=*src++;

   213

	*dst = 0;

   214

}

   215

   216

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

   217

{

   218

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

   219

	return dst - 1;

   220

}

   221

   222

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

   223

{

   224

	FILE *in;

   225

	void *mem;

   226

	size_t len;

   227

   228

	in = fopen(filename, "rb");

   229

	if (in == NULL)

   230

		return NULL;

   231

   232

	fseek(in, 0, SEEK_END);

   233

	len = ftell(in);

   234

	fseek(in, 0, SEEK_SET);

   235

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

   236

		fclose(in);

   237

		return NULL;

   238

	}

   239

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

   240

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

   241

		fclose(in);

   242

		free(mem);

   243

		return NULL;

   244

	}

   245

	fclose(in);

   246

   247

	*lenp = len;

   248

	return mem;

   249

}

   250

   251

void LoadDriver(int driver, const char *name)

   252

{

   253

	const DriverClass *dc = &_driver_classes[driver];

   254

	const DriverDesc *dd;

   255

	const void **var;

   256

	const void *drv;

   257

	const char *err;

   258

	char *parm;

   259

	char buffer[256];

   260

	char *parms[32];

   261

   262

	parms[0] = NULL;

   263

   264

	if (!*name) {

   265

		dd = ChooseDefaultDriver(dc->descs);

   266

	} else {

   267

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

   268

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

   269

		parm = strchr(buffer, ':');

   270

		if (parm) {

   271

			int np = 0;

   272

			// Tokenize the parm.

   273

			do {

   274

				*parm++ = 0;

   275

				if (np < lengthof(parms) - 1)

   276

					parms[np++] = parm;

   277

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

   278

					parm++;

   279

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

   280

			parms[np] = NULL;

   281

		}

   282

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

   283

		if (dd == NULL)

   284

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

   285

	}

   286

	var = dc->var;

   287

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

   288

	*var = NULL;

   289

	drv = dd->drv;

   290

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

   291

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

   292

	*var = drv;

   293

}

   294

   295

static void showhelp()

   296

{

   297

	char buf[4096], *p;

   298

	const DriverClass *dc = _driver_classes;

   299

	const DriverDesc *dd;

   300

	int i;

   301

   302

	p = strecpy(buf,

   303

		"Command line options:\n"

   304

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

   305

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

   306

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

   307

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

   308

		"  -h                  = Display this help text\n"

   309

		"  -t date             = Set starting date\n"

   310

		"  -d [dbg]            = Debug mode\n"

   311

		"  -l lng              = Select Language\n"

   312

		"  -e                  = Start Editor\n"

   313

		"  -g [savegame]       = Start new/save game immediately\n"

   314

		"  -G seed             = Set random seed\n"

   315

		"  -n [ip#player:port] = Start networkgame\n"

   316

		"  -D                  = Start dedicated server\n"

   317

		#if !defined(__MORPHOS__) && !defined(__AMIGA__)

   318

		"  -f                  = Fork into the background (dedicated only)\n"

   319

		#endif

   320

		"  -i                  = Force to use the DOS palette (use this if you see a lot of pink)\n"

   321

		"  -p #player          = Player as #player (deprecated) (network only)\n"

   322

	);

   323

   324

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

   325

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

   326

		dd = dc->descs;

   327

		do {

   328

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

   329

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

   330

	}

   331

   332

	ShowInfo(buf);

   333

}

   334

   335

   336

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

   337

{

   338

	char *p;

   339

	int len = strlen(name);

   340

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

   341

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

   342

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

   343

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

   344

		}

   345

	}

   346

	return NULL;

   347

}

   348

   349

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

   350

{

   351

	char *p = GetDriverParam(parm, name);

   352

	return p != NULL;

   353

}

   354

   355

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

   356

{

   357

	char *p = GetDriverParam(parm, name);

   358

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

   359

}

   360

   361

typedef struct {

   362

	char *opt;

   363

	int numleft;

   364

	char **argv;

   365

	const char *options;

   366

	char *cont;

   367

} MyGetOptData;

   368

   369

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

   370

{

   371

	md->cont = NULL;

   372

	md->numleft = argc;

   373

	md->argv = argv;

   374

	md->options = options;

   375

}

   376

   377

static int MyGetOpt(MyGetOptData *md)

   378

{

   379

	char *s,*r,*t;

   380

   381

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

   382

		goto md_continue_here;

   383

   384

	while(true) {

   385

		if (--md->numleft < 0)

   386

			return -1;

   387

   388

		s = *md->argv++;

   389

		if (*s == '-') {

   390

md_continue_here:;

   391

			s++;

   392

			if (*s != 0) {

   393

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

   394

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

   395

					// ERROR!

   396

					return -2;

   397

				}

   398

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

   399

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

   400

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

   401

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

   402

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

   403

							// Check if item is optional?

   404

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

   405

								return -2;

   406

							md->numleft++;

   407

							t = NULL;

   408

						} else {

   409

							md->argv++;

   410

						}

   411

					}

   412

					md->opt = t;

   413

					md->cont = NULL;

   414

					return *s;

   415

				}

   416

				md->opt = NULL;

   417

				md->cont = s;

   418

				return *s;

   419

			}

   420

		} else {

   421

			// This is currently not supported.

   422

			return -2;

   423

		}

   424

	}

   425

}

   426

   427

void SetDebugString(const char *s)

   428

{

   429

	int v;

   430

	char *end;

   431

	const char *t;

   432

	int *p;

   433

   434

	// global debugging level?

   435

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

   436

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

   437

		s = end;

   438

   439

		_debug_spritecache_level = v;

   440

		_debug_misc_level = v;

   441

		_debug_grf_level = v;

   442

		_debug_ai_level = v;

   443

		_debug_net_level = v;

   444

	}

   445

   446

	// individual levels

   447

	for(;;) {

   448

		// skip delimiters

   449

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

   450

		if (*s == 0) break;

   451

   452

		t = s;

   453

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

   454

   455

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

   456

		// check debugging levels

   457

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

   458

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

   459

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

   460

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

   461

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

   462

		else {

   463

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

   464

			return;

   465

		}

   466

#undef IS_LVL

   467

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

   468

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

   469

		s = end;

   470

		if (p) *p = v;

   471

	}

   472

}

   473

   474

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

   475

{

   476

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

   477

	if (t == NULL) {

   478

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

   479

		return;

   480

	}

   481

   482

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

   483

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

   484

}

   485

   486

void LoadIntroGame()

   487

{

   488

	char filename[256];

   489

	_game_mode = GM_MENU;

   490

	_display_opt &= ~DO_TRANS_BUILDINGS; // don't make buildings transparent in intro

   491

   492

	_opt_mod_ptr = &_new_opt;

   493

	GfxLoadSprites();

   494

	LoadStringWidthTable();

   495

   496

	// Setup main window

   497

	InitWindowSystem();

   498

	SetupColorsAndInitialWindow();

   499

   500

	// Generate a world.

   501

	sprintf(filename, "%sopntitle.dat",  _path.data_dir);

   502

	if (SaveOrLoad(filename, SL_LOAD) != SL_OK)

   503

#if defined SECOND_DATA_DIR

   504

		{

   505

		sprintf(filename, "%sopntitle.dat",  _path.second_data_dir);

   506

		if (SaveOrLoad(filename, SL_LOAD) != SL_OK)

   507

#endif

   508

			GenerateWorld(1); // if failed loading, make empty world.

   509

#if defined SECOND_DATA_DIR

   510

		}

   511

#endif

   512

	_opt.currency = _new_opt.currency;

   513

   514

	_pause = 0;

   515

	_local_player = 0;

   516

	MarkWholeScreenDirty();

   517

   518

	// Play main theme

   519

	if (_music_driver->is_song_playing()) ResetMusic();

   520

}