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

#include "signs.h"

    30

    31

#include <stdarg.h>

    32

    33

void IncreaseSpriteLRU(void);

    34

void GenerateWorld(int mode);

    35

void CallLandscapeTick(void);

    36

void IncreaseDate(void);

    37

void RunOtherPlayersLoop(void);

    38

void DoPaletteAnimations(void);

    39

void MusicLoop(void);

    40

void ResetMusic(void);

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void InitializeStations(void);

    42

void DeleteAllPlayerStations(void);

    43

    44

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

    45

extern void DoStartupNewPlayer(bool is_ai);

    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(void);

    52

    53

uint32 _pixels_redrawn;

    54

bool _dbg_screen_rect;

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

    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(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(void) {}

   114

static void NullMidiPlaySong(const char *filename) {}

   115

static void NullMidiStopSong(void) {}

   116

static bool NullMidiIsSongPlaying(void) { 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(void) { free(_null_video_mem); }

   137

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

   138

static int NullVideoMainLoop(void)

   139

{

   140

	int i = 1000;

   141

	do {

   142

		GameLoop();

   143

		_screen.dst_ptr = _null_video_mem;

   144

		UpdateWindows();

   145

	}	while (--i);

   146

	return ML_QUIT;

   147

}

   148

   149

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

   150

   151

   152

const HalVideoDriver _null_video_driver = {

   153

	NullVideoStart,

   154

	NullVideoStop,

   155

	NullVideoMakeDirty,

   156

	NullVideoMainLoop,

   157

	NullVideoChangeRes,

   158

};

   159

   160

// NULL sound driver

   161

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

   162

static void NullSoundStop(void) {}

   163

const HalSoundDriver _null_sound_driver = {

   164

	NullSoundStart,

   165

	NullSoundStop,

   166

};

   167

   168

enum {

   169

	DF_PRIORITY_MASK = 0xf,

   170

};

   171

   172

typedef struct {

   173

	const DriverDesc *descs;

   174

	const char *name;

   175

	void *var;

   176

} DriverClass;

   177

   178

static DriverClass _driver_classes[] = {

   179

	{_video_driver_descs, "video", &_video_driver},

   180

	{_sound_driver_descs, "sound", &_sound_driver},

   181

	{_music_driver_descs, "music", &_music_driver},

   182

};

   183

   184

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

   185

{

   186

	do {

   187

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

   188

			return dd;

   189

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

   190

	return NULL;

   191

}

   192

   193

static const DriverDesc *ChooseDefaultDriver(const DriverDesc *dd)

   194

{

   195

	const DriverDesc *best = NULL;

   196

	int best_pri = -1;

   197

	do {

   198

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

   199

			best_pri = dd->flags&DF_PRIORITY_MASK;

   200

			best = dd;

   201

		}

   202

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

   203

	return best;

   204

}

   205

   206

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

   207

{

   208

	assert(size > 0);

   209

	while (--size > 0 && *src != '\0') *dst++ = *src++;

   210

	*dst = '\0';

   211

}

   212

   213

void ttd_strlcat(char *dst, const char *src, size_t size)

   214

{

   215

	assert(size > 0);

   216

	for (; size > 0 && *dst != '\0'; --size, ++dst) {}

   217

	assert(size > 0);

   218

	while (--size > 0 && *src != '\0') *dst++ = *src++;

   219

	*dst = '\0';

   220

}

   221

   222

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

   223

{

   224

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

   225

	return dst - 1;

   226

}

   227

   228

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

   229

{

   230

	FILE *in;

   231

	byte *mem;

   232

	size_t len;

   233

   234

	in = fopen(filename, "rb");

   235

	if (in == NULL)

   236

		return NULL;

   237

   238

	fseek(in, 0, SEEK_END);

   239

	len = ftell(in);

   240

	fseek(in, 0, SEEK_SET);

   241

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

   242

		fclose(in);

   243

		return NULL;

   244

	}

   245

	mem[len] = 0;

   246

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

   247

		fclose(in);

   248

		free(mem);

   249

		return NULL;

   250

	}

   251

	fclose(in);

   252

   253

	*lenp = len;

   254

	return mem;

   255

}

   256

   257

void LoadDriver(int driver, const char *name)

   258

{

   259

	const DriverClass *dc = &_driver_classes[driver];

   260

	const DriverDesc *dd;

   261

	const void **var;

   262

	const void *drv;

   263

	const char *err;

   264

	char *parm;

   265

	char buffer[256];

   266

	char *parms[32];

   267

   268

	parms[0] = NULL;

   269

   270

	if (!*name) {

   271

		dd = ChooseDefaultDriver(dc->descs);

   272

	} else {

   273

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

   274

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

   275

		parm = strchr(buffer, ':');

   276

		if (parm) {

   277

			uint np = 0;

   278

			// Tokenize the parm.

   279

			do {

   280

				*parm++ = 0;

   281

				if (np < lengthof(parms) - 1)

   282

					parms[np++] = parm;

   283

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

   284

					parm++;

   285

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

   286

			parms[np] = NULL;

   287

		}

   288

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

   289

		if (dd == NULL)

   290

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

   291

	}

   292

	var = dc->var;

   293

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

   294

	*var = NULL;

   295

	drv = dd->drv;

   296

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

   297

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

   298

	*var = drv;

   299

}

   300

   301

static void showhelp(void)

   302

{

   303

	char buf[4096], *p;

   304

	const DriverClass *dc = _driver_classes;

   305

	const DriverDesc *dd;

   306

	int i;

   307

   308

	p = strecpy(buf,

   309

		"Command line options:\n"

   310

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

   311

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

   312

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

   313

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

   314

		"  -h                  = Display this help text\n"

   315

		"  -t date             = Set starting date\n"

   316

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

   317

		"  -l lng              = Select Language\n"

   318

		"  -e                  = Start Editor\n"

   319

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

   320

		"  -G seed             = Set random seed\n"

   321

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

   322

		"  -D                  = Start dedicated server\n"

   323

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

   324

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

   325

		#endif

   326

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

   327

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

   328

	);

   329

   330

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

   331

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

   332

		dd = dc->descs;

   333

		do {

   334

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

   335

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

   336

	}

   337

   338

	ShowInfo(buf);

   339

}

   340

   341

   342

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

   343

{

   344

	char *p;

   345

	int len = strlen(name);

   346

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

   347

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

   348

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

   349

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

   350

		}

   351

	}

   352

	return NULL;

   353

}

   354

   355

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

   356

{

   357

	char *p = GetDriverParam(parm, name);

   358

	return p != NULL;

   359

}

   360

   361

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

   362

{

   363

	char *p = GetDriverParam(parm, name);

   364

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

   365

}

   366

   367

typedef struct {

   368

	char *opt;

   369

	int numleft;

   370

	char **argv;

   371

	const char *options;

   372

	char *cont;

   373

} MyGetOptData;

   374

   375

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

   376

{

   377

	md->cont = NULL;

   378

	md->numleft = argc;

   379

	md->argv = argv;

   380

	md->options = options;

   381

}

   382

   383

static int MyGetOpt(MyGetOptData *md)

   384

{

   385

	char *s,*r,*t;

   386

   387

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

   388

		goto md_continue_here;

   389

   390

	while(true) {

   391

		if (--md->numleft < 0)

   392

			return -1;

   393

   394

		s = *md->argv++;

   395

		if (*s == '-') {

   396

md_continue_here:;

   397

			s++;

   398

			if (*s != 0) {

   399

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

   400

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

   401

					// ERROR!

   402

					return -2;

   403

				}

   404

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

   405

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

   406

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

   407

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

   408

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

   409

							// Check if item is optional?

   410

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

   411

								return -2;

   412

							md->numleft++;

   413

							t = NULL;

   414

						} else {

   415

							md->argv++;

   416

						}

   417

					}

   418

					md->opt = t;

   419

					md->cont = NULL;

   420

					return *s;

   421

				}

   422

				md->opt = NULL;

   423

				md->cont = s;

   424

				return *s;

   425

			}

   426

		} else {

   427

			// This is currently not supported.

   428

			return -2;

   429

		}

   430

	}

   431

}

   432

   433

void SetDebugString(const char *s)

   434

{

   435

	int v;

   436

	char *end;

   437

	const char *t;

   438

	int *p;

   439

   440

	// global debugging level?

   441

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

   442

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

   443

		s = end;

   444

   445

		_debug_spritecache_level = v;

   446

		_debug_misc_level = v;

   447

		_debug_grf_level = v;

   448

		_debug_ai_level = v;

   449

		_debug_net_level = v;

   450

	}

   451

   452

	// individual levels

   453

	for(;;) {

   454

		// skip delimiters

   455

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

   456

		if (*s == 0) break;

   457

   458

		t = s;

   459

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

   460

   461

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

   462

		// check debugging levels

   463

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

   464

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

   465

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

   466

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

   467

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

   468

		else {

   469

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

   470

			return;

   471

		}

   472

#undef IS_LVL

   473

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

   474

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

   475

		s = end;

   476

		if (p) *p = v;

   477

	}

   478

}

   479

   480

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

   481

{

   482

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

   483

	if (t == NULL) {

   484

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

   485

		return;

   486

	}

   487

   488

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

   489

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

   490

}

   491

   492

static void InitializeDynamicVariables(void)

   493

{

   494

	/* Dynamic stuff needs to be initialized somewhere... */

   495

	_stations_size = lengthof(_stations);

   496

	_station_sort = NULL;

   497

   498

	_vehicles_size = lengthof(_vehicles);

   499

	_vehicle_sort = NULL;

   500

   501

	_towns_size = lengthof(_towns);

   502

	_town_sort = NULL;

   503

   504

	_industries_size = lengthof(_industries);

   505

	_industry_sort = NULL;

   506

   507

	_sign_size = lengthof(_sign_list);

   508

	_orders_size = lengthof(_orders);

   509

}

   510

   511

static void UnInitializeDynamicVariables(void)

   512

{

   513

	/* Dynamic stuff needs to be free'd somewhere... */

   514

	free(_station_sort);

   515

   516

	free(_vehicle_sort);