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"

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#include "economy.h"

    21

#include "fileio.h"

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#include "hal.h"

    23

#include "airport.h"

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#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 GameLoop();

    34

    35

void IncreaseSpriteLRU();

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void GenerateWorld(int mode);

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void CallLandscapeTick();

    38

void IncreaseDate();

    39

void RunOtherPlayersLoop();

    40

void DoPaletteAnimations();

    41

void MusicLoop();

    42

void ResetMusic();

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void InitializeStations();

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void DeleteAllPlayerStations();

    45

    46

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

    47

extern void DoStartupNewPlayer(bool is_ai);

    48

extern void ShowOSErrorBox(const char *buf);

    49

    50

void redsq_debug(int tile);

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bool LoadSavegame(const char *filename);

    52

    53

extern void HalGameLoop();

    54

    55

uint32 _pixels_redrawn;

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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

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static byte _os_version = 0;

    59

    60

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

    61

	va_list va;

    62

	char buf[512];

    63

	va_start(va, s);

    64

	vsprintf(buf, s, va);

    65

	va_end(va);

    66

    67

	ShowOSErrorBox(buf);

    68

	if (_video_driver)

    69

		_video_driver->stop();

    70

    71

	assert(0);

    72

	exit(1);

    73

}

    74

    75

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

    76

{

    77

	va_list va;

    78

	char buf[1024];

    79

	va_start(va, s);

    80

	vsprintf(buf, s, va);

    81

	va_end(va);

    82

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

    83

	IConsoleDebug((byte *) &buf);

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}

    85

    86

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

    87

{

    88

	va_list va;

    89

	char buf[1024];

    90

	va_start(va, str);

    91

	vsprintf(buf, str, va);

    92

	va_end(va);

    93

	ShowInfo(buf);

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}

    95

    96

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

    97

{

    98

	char buf[4096];

    99

	va_list va;

   100

	int len;

   101

	char *p;

   102

   103

	va_start(va, str);

   104

	len = vsprintf(buf, str, va);

   105

	va_end(va);

   106

	p = malloc(len + 1);

   107

	if (p)

   108

		memcpy(p, buf, len + 1);

   109

	return p;

   110

}

   111

   112

   113

// NULL midi driver

   114

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

   115

static void NullMidiStop() {}

   116

static void NullMidiPlaySong(const char *filename) {}

   117

static void NullMidiStopSong() {}

   118

static bool NullMidiIsSongPlaying() { return true; }

   119

static void NullMidiSetVolume(byte vol) {}

   120

   121

const HalMusicDriver _null_music_driver = {

   122

	NullMidiStart,

   123

	NullMidiStop,

   124

	NullMidiPlaySong,

   125

	NullMidiStopSong,

   126

	NullMidiIsSongPlaying,

   127

	NullMidiSetVolume,

   128

};

   129

   130

// NULL video driver

   131

static void *_null_video_mem;

   132

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

   133

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

   134

	_screen.height = _cur_resolution[1];

   135

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

   136

	return NULL;

   137

}

   138

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

   139

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

   140

static int NullVideoMainLoop() {

   141

	int i = 1000;

   142

	do {

   143

		GameLoop();

   144

		_screen.dst_ptr = _null_video_mem;

   145

		UpdateWindows();

   146

	}	while (--i);

   147

	return ML_QUIT;

   148

}

   149

   150

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

   151

   152

   153

const HalVideoDriver _null_video_driver = {

   154

	NullVideoStart,

   155

	NullVideoStop,

   156

	NullVideoMakeDirty,

   157

	NullVideoMainLoop,

   158

	NullVideoChangeRes,

   159

};

   160

   161

// NULL sound driver

   162

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

   163

static void NullSoundStop() {}

   164

const HalSoundDriver _null_sound_driver = {

   165

	NullSoundStart,

   166

	NullSoundStop,

   167

};

   168

   169

enum {

   170

	DF_PRIORITY_MASK = 0xf,

   171

};

   172

   173

typedef struct {

   174

	const DriverDesc *descs;

   175

	const char *name;

   176

	void *var;

   177

} DriverClass;

   178

   179

static DriverClass _driver_classes[] = {

   180

	{_video_driver_descs, "video", &_video_driver},

   181

	{_sound_driver_descs, "sound", &_sound_driver},

   182

	{_music_driver_descs, "music", &_music_driver},

   183

};

   184

   185

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

   186

{

   187

	do {

   188

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

   189

			return dd;

   190

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

   191

	return NULL;

   192

}

   193

   194

static const DriverDesc *ChooseDefaultDriver(const DriverDesc *dd)

   195

{

   196

	const DriverDesc *best = NULL;

   197

	int best_pri = -1;

   198

	do {

   199

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

   200

			best_pri = dd->flags&DF_PRIORITY_MASK;

   201

			best = dd;

   202

		}

   203

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

   204

	return best;

   205

}

   206

   207

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

   208

{

   209

	assert(len > 0);

   210

	while (--len && *src)

   211

		*dst++=*src++;

   212

	*dst = 0;

   213

}

   214

   215

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

   216

{

   217

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

   218

	return dst - 1;

   219

}

   220

   221

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

   222

{

   223

	FILE *in;

   224

	void *mem;

   225

	size_t len;

   226

   227

	in = fopen(filename, "rb");

   228

	if (in == NULL)

   229

		return NULL;

   230

   231

	fseek(in, 0, SEEK_END);

   232

	len = ftell(in);

   233

	fseek(in, 0, SEEK_SET);

   234

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

   235

		fclose(in);

   236

		return NULL;

   237

	}

   238

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

   239

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

   240

		fclose(in);

   241

		free(mem);

   242

		return NULL;

   243

	}

   244

	fclose(in);

   245

   246

	*lenp = len;

   247

	return mem;

   248

}

   249

   250

void LoadDriver(int driver, const char *name)

   251

{

   252

	const DriverClass *dc = &_driver_classes[driver];

   253

	const DriverDesc *dd;

   254

	const void **var;

   255

	const void *drv;

   256

	const char *err;

   257

	char *parm;

   258

	char buffer[256];

   259

	char *parms[32];

   260

   261

	parms[0] = NULL;

   262

   263

	if (!*name) {

   264

		dd = ChooseDefaultDriver(dc->descs);

   265

	} else {

   266

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

   267

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

   268

		parm = strchr(buffer, ':');

   269

		if (parm) {

   270

			uint np = 0;

   271

			// Tokenize the parm.

   272

			do {

   273

				*parm++ = 0;

   274

				if (np < lengthof(parms) - 1)

   275

					parms[np++] = parm;

   276

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

   277

					parm++;

   278

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

   279

			parms[np] = NULL;

   280

		}

   281

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

   282

		if (dd == NULL)

   283

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

   284

	}

   285

	var = dc->var;

   286

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

   287

	*var = NULL;

   288

	drv = dd->drv;

   289

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

   290

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

   291

	*var = drv;

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

   313

		"  -G seed             = Set random seed\n"

   314

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

   315

		"  -D                  = Start dedicated server\n"

   316

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

   317

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

   318

		#endif

   319

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

   320

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

   321

	);

   322

   323

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

   324

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

   325

		dd = dc->descs;

   326

		do {

   327

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

   328

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

   329

	}

   330

   331

	ShowInfo(buf);

   332

}

   333

   334

   335

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

   336

{

   337

	char *p;

   338

	int len = strlen(name);

   339

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

   340

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

   341

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

   342

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

   343

		}

   344

	}

   345

	return NULL;

   346

}

   347

   348

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

   349

{

   350

	char *p = GetDriverParam(parm, name);

   351

	return p != NULL;

   352

}

   353

   354

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

   355

{

   356

	char *p = GetDriverParam(parm, name);

   357

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

   358

}

   359

   360

typedef struct {

   361

	char *opt;

   362

	int numleft;

   363

	char **argv;

   364

	const char *options;

   365

	char *cont;

   366

} MyGetOptData;

   367

   368

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

   369

{

   370

	md->cont = NULL;

   371

	md->numleft = argc;

   372

	md->argv = argv;

   373

	md->options = options;

   374

}

   375

   376

static int MyGetOpt(MyGetOptData *md)

   377

{

   378

	char *s,*r,*t;

   379

   380

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

   381

		goto md_continue_here;

   382

   383

	while(true) {

   384

		if (--md->numleft < 0)

   385

			return -1;

   386

   387

		s = *md->argv++;

   388

		if (*s == '-') {

   389

md_continue_here:;

   390

			s++;

   391

			if (*s != 0) {

   392

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

   393

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

   394

					// ERROR!

   395

					return -2;

   396

				}

   397

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

   398

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

   399

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

   400

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

   401

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

   402

							// Check if item is optional?

   403

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

   404

								return -2;

   405

							md->numleft++;

   406

							t = NULL;

   407

						} else {

   408

							md->argv++;

   409

						}

   410

					}

   411

					md->opt = t;

   412

					md->cont = NULL;

   413

					return *s;

   414

				}

   415

				md->opt = NULL;

   416

				md->cont = s;

   417

				return *s;

   418

			}

   419

		} else {

   420

			// This is currently not supported.

   421

			return -2;

   422

		}

   423

	}

   424

}

   425

   426

void SetDebugString(const char *s)

   427

{

   428

	int v;

   429

	char *end;

   430

	const char *t;

   431

	int *p;

   432

   433

	// global debugging level?

   434

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

   435

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

   436

		s = end;

   437

   438

		_debug_spritecache_level = v;

   439

		_debug_misc_level = v;

   440

		_debug_grf_level = v;

   441

		_debug_ai_level = v;

   442

		_debug_net_level = v;

   443

	}

   444

   445

	// individual levels

   446

	for(;;) {

   447

		// skip delimiters

   448

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

   449

		if (*s == 0) break;

   450

   451

		t = s;

   452

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

   453

   454

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

   455

		// check debugging levels

   456

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

   457

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

   458

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

   459

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

   460

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

   461

		else {

   462

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

   463

			return;

   464

		}

   465

#undef IS_LVL

   466

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

   467

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

   468

		s = end;

   469

		if (p) *p = v;

   470

	}

   471

}

   472

   473

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

   474

{

   475

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

   476

	if (t == NULL) {

   477

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

   478

		return;

   479

	}

   480

   481

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

   482

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

   483

}

   484

   485

static void InitializeDynamicVariables(void)

   486

{

   487

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

   488

	_stations_size = lengthof(_stations);

   489

	_station_sort = NULL;

   490

   491

	_vehicles_size = lengthof(_vehicles);

   492

	_vehicle_sort = NULL;

   493

   494

	_towns_size = lengthof(_towns);

   495

	_town_sort = NULL;

   496

   497

	_industries_size = lengthof(_industries);

   498

	_industry_sort = NULL;

   499

   500

	_sign_size = lengthof(_sign_list);

   501

}

   502

   503

static void UnInitializeDynamicVariables(void)

   504

{

   505

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

   506

	free(_station_sort);

   507

   508

	free(_vehicle_sort);

   509

   510

	free(_town_sort);

   511

   512

	free(_industry_sort);

   513

}

   514

   515

   516

void LoadIntroGame()

   517

{

   518

	char filename[256];

   519

	_game_mode = GM_MENU;

   520

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