1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "currency.h"

     6

#include "functions.h"

     7

#include "string.h"

     8

#include "strings.h"

     9

#include "table/strings.h"

    10

#include "namegen.h"

    11

#include "station.h"

    12

#include "town.h"

    13

#include "vehicle.h"

    14

#include "news.h"

    15

#include "screenshot.h"

    16

#include "waypoint.h"

    17

#include "industry.h"

    18

#include "variables.h"

    19

#include "newgrf_text.h"

    20

#include "table/landscape_const.h"

    21

#include "music.h"

    22

#include "date.h"

    24

    25

#ifdef WIN32

    26

/* for opendir/readdir/closedir */

    27

# include "fios.h"

    28

#else

    29

# include <sys/types.h>

    30

# include <dirent.h>

    31

#endif /* WIN32 */

    32

    33

char _userstring[128];

    34

    35

static char *StationGetSpecialString(char *buff, int x, const char* last);

    36

static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char* last);

    37

static char *GetSpecialPlayerNameString(char *buff, int ind, const int32 *argv, const char* last);

    38

    39

static char *FormatString(char *buff, const char *str, const int32 *argv, uint casei, const char* last);

    40

    41

typedef struct LanguagePack {

    42

	uint32 ident;

    43

	uint32 version;     // 32-bits of auto generated version info which is basically a hash of strings.h

    44

	char name[32];      // the international name of this language

    45

	char own_name[32];  // the localized name of this language

    46

	char isocode[16];   // the ISO code for the language (not country code)

    47

	uint16 offsets[32]; // the offsets

    48

	byte plural_form;   // how to compute plural forms

    49

	byte pad[3];        // pad header to be a multiple of 4

    50

	char data[VARARRAY_SIZE];

    51

} LanguagePack;

    52

    53

static char **_langpack_offs;

    54

static LanguagePack *_langpack;

    55

static uint _langtab_num[32]; // Offset into langpack offs

    56

static uint _langtab_start[32]; // Offset into langpack offs

    57

    58

static const StringID _cargo_string_list[NUM_LANDSCAPE][NUM_CARGO] = {

    59

	{ /* LT_NORMAL */

    60

		STR_PASSENGERS,

    61

		STR_TONS,

    62

		STR_BAGS,

    63

		STR_LITERS,

    64

		STR_ITEMS,

    65

		STR_CRATES,

    66

		STR_TONS,

    67

		STR_TONS,

    68

		STR_TONS,

    69

		STR_TONS,

    70

		STR_BAGS,

    71

		STR_RES_OTHER

    72

	},

    73

    74

	{ /* LT_HILLY */

    75

		STR_PASSENGERS,

    76

		STR_TONS,

    77

		STR_BAGS,

    78

		STR_LITERS,

    79

		STR_ITEMS,

    80

		STR_CRATES,

    81

		STR_TONS,

    82

		STR_TONS,

    83

		STR_RES_OTHER,

    84

		STR_TONS,

    85

		STR_BAGS,

    86

		STR_TONS

    87

	},

    88

    89

	{ /* LT_DESERT */

    90

		STR_PASSENGERS,

    91

		STR_LITERS,

    92

		STR_BAGS,

    93

		STR_LITERS,

    94

		STR_TONS,

    95

		STR_CRATES,

    96

		STR_TONS,

    97

		STR_TONS,

    98

		STR_TONS,

    99

		STR_LITERS,

   100

		STR_BAGS,

   101

		STR_TONS

   102

	},

   103

   104

	{ /* LT_CANDY */

   105

		STR_PASSENGERS,

   106

		STR_TONS,

   107

		STR_BAGS,

   108

		STR_NOTHING,

   109

		STR_NOTHING,

   110

		STR_TONS,

   111

		STR_TONS,

   112

		STR_LITERS,

   113

		STR_TONS,

   114

		STR_NOTHING,

   115

		STR_LITERS,

   116

		STR_NOTHING

   117

	}

   118

};

   119

   120

   121

// Read an int64 from the argv array.

   122

static inline int64 GetInt64(const int32 **argv)

   123

{

   124

	int64 result;

   125

   126

	assert(argv);

   127

	result = (uint32)(*argv)[0] + ((uint64)(uint32)(*argv)[1] << 32);

   128

	(*argv)+=2;

   129

	return result;

   130

}

   131

   132

// Read an int32 from the argv array.

   133

static inline int32 GetInt32(const int32 **argv)

   134

{

   135

	assert(argv);

   136

	return *(*argv)++;

   137

}

   138

   139

// Read an array from the argv array.

   140

static inline const int32 *GetArgvPtr(const int32 **argv, int n)

   141

{

   142

	const int32 *result;

   143

	assert(*argv);

   144

	result = *argv;

   145

	(*argv) += n;

   146

	return result;

   147

}

   148

   149

   150

#define NUM_BOUND_STRINGS 8

   151

   152

// Array to hold the bound strings.

   153

static const char *_bound_strings[NUM_BOUND_STRINGS];

   154

   155

// This index is used to implement a "round-robin" allocating of

   156

// slots for BindCString. NUM_BOUND_STRINGS slots are reserved.

   157

// Which means that after NUM_BOUND_STRINGS calls to BindCString,

   158

// the indices will be reused.

   159

static int _bind_index;

   160

   161

static const char *GetStringPtr(StringID string)

   162

{

   163

	return _langpack_offs[_langtab_start[string >> 11] + (string & 0x7FF)];

   164

}

   165

   166

// The highest 8 bits of string contain the "case index".

   167

// These 8 bits will only be set when FormatString wants to print

   168

// the string in a different case. No one else except FormatString

   169

// should set those bits, therefore string CANNOT be StringID, but uint32.

   170

static char *GetStringWithArgs(char *buffr, uint string, const int32 *argv, const char* last)

   171

{

   172

	uint index = GB(string,  0, 11);

   173

	uint tab   = GB(string, 11,  5);

   174

	char buff[512];

   175

   176

	if (GB(string, 0, 16) == 0) error("!invalid string id 0 in GetString");

   177

   178

	switch (tab) {

   179

		case 4:

   180

			if (index >= 0xC0)

   181

				return GetSpecialTownNameString(buffr, index - 0xC0, GetInt32(&argv), last);

   182

			break;

   183

   184

		case 14:

   185

			if (index >= 0xE4)

   186

				return GetSpecialPlayerNameString(buffr, index - 0xE4, argv, last);

   187

			break;

   188

   189

		// User defined name

   190

		case 15:

   191

			return GetName(buffr, index, last);

   192

   193

		case 26:

   194

			/* Include string within newgrf text (format code 81) */

   195

			if (HASBIT(index, 10)) {

   196

				StringID string = GetGRFStringID(0, 0xD000 + GB(index, 0, 10));

   197

				return GetStringWithArgs(buffr, string, argv, last);

   198

			}

   199

			break;

   200

   201

		case 28:

   202

			GetGRFString(buff, index, lastof(buff));

   203

			return FormatString(buffr, buff, argv, 0, last);

   204

   205

		case 29:

   206

			GetGRFString(buff, index + 0x800, lastof(buff));

   207

			return FormatString(buffr, buff, argv, 0, last);

   208

   209

		case 30:

   210

			GetGRFString(buff, index + 0x1000, lastof(buff));

   211

			return FormatString(buffr, buff, argv, 0, last);

   212

   213

		case 31:

   214

			// dynamic strings. These are NOT to be passed through the formatter,

   215

			// but passed through verbatim.

   216

			if (index < (STR_SPEC_USERSTRING & 0x7FF)) {

   217

				return strecpy(buffr, _bound_strings[index], last);

   218

			}

   219

   220

			return FormatString(buffr, _userstring, NULL, 0, last);

   221

	}

   222

   223

	if (index >= _langtab_num[tab]) {

   224

		error(

   225

			"!String 0x%X is invalid. "

   226

			"Probably because an old version of the .lng file.\n", string

   227

		);

   228

	}

   229

   230

	return FormatString(buffr, GetStringPtr(GB(string, 0, 16)), argv, GB(string, 24, 8), last);

   231

}

   232

   233

char *GetString(char *buffr, StringID string, const char* last)

   234

{

   235

	return GetStringWithArgs(buffr, string, (int32*)_decode_parameters, last);

   236

}

   237

   238

   239

// This function takes a C-string and allocates a temporary string ID.

   240

// The duration of the bound string is valid only until the next GetString,

   241

// so be careful.

   242

StringID BindCString(const char *str)

   243

{

   244

	int idx = (++_bind_index) & (NUM_BOUND_STRINGS - 1);

   245

	_bound_strings[idx] = str;

   246

	return idx + STR_SPEC_DYNSTRING;

   247

}

   248

   249

// This function is used to "bind" a C string to a OpenTTD dparam slot.

   250

void SetDParamStr(uint n, const char *str)

   251

{

   252

	SetDParam(n, BindCString(str));

   253

}

   254

   255

void InjectDParam(int amount)

   256

{

   257

	memmove(_decode_parameters + amount, _decode_parameters, sizeof(_decode_parameters) - amount * sizeof(uint32));

   258

}

   259

   260

static const uint32 _divisor_table[] = {

   261

	1000000000,

   262

	100000000,

   263

	10000000,

   264

	1000000,

   265

   266

	100000,

   267

	10000,

   268

	1000,

   269

	100,

   270

	10,

   271

	1

   272

};

   273

   274

// TODO

   275

static char *FormatCommaNumber(char *buff, int32 number, const char* last)

   276

{

   277

	uint32 quot,divisor;

   278

	int i;

   279

	uint32 tot;

   280

	uint32 num;

   281

   282

	if (number < 0) {

   283

		*buff++ = '-';

   284

		number = -number;

   285

	}

   286

   287

	num = number;

   288

   289

	tot = 0;

   290

	for (i = 0; i != 10; i++) {

   291

		divisor = _divisor_table[i];

   292

		quot = 0;

   293

		if (num >= divisor) {

   294

			quot = num / _divisor_table[i];

   295

			num = num % _divisor_table[i];

   296

		}

   297

		if (tot |= quot || i == 9) {

   298

			*buff++ = '0' + quot;

   299

			if (i == 0 || i == 3 || i == 6) *buff++ = ',';

   300

		}

   301

	}

   302

   303

	*buff = '\0';

   304

   305

	return buff;

   306

}

   307

   308

// TODO

   309

static char *FormatNoCommaNumber(char *buff, int32 number, const char* last)

   310

{

   311

	uint32 quot,divisor;

   312

	int i;

   313

	uint32 tot;

   314

	uint32 num;

   315

   316

	if (number < 0) {

   317

		buff = strecpy(buff, "-", last);

   318

		number = -number;

   319

	}

   320

   321

	num = number;

   322

   323

	tot = 0;

   324

	for (i = 0; i != 10; i++) {

   325

		divisor = _divisor_table[i];

   326

		quot = 0;

   327

		if (num >= divisor) {

   328

			quot = num / _divisor_table[i];

   329

			num = num % _divisor_table[i];

   330

		}

   331

		if (tot |= quot || i == 9) {

   332

			*buff++ = '0' + quot;

   333

		}

   334

	}

   335

   336

	*buff = '\0';

   337

   338

	return buff;

   339

}

   340

   341

   342

static char *FormatYmdString(char *buff, Date date, const char* last)

   343

{

   344

	YearMonthDay ymd;

   345

   346

	ConvertDateToYMD(date, &ymd);

   347

   348

	buff = strecpy(buff, GetStringPtr(ymd.day + STR_01AC_1ST - 1), last);

   349

	buff = strecpy(buff, " ", last);

   350

	buff = strecpy(buff, GetStringPtr(STR_0162_JAN + ymd.month), last);

   351

	buff = strecpy(buff, " ", last);

   352

   353

	return FormatNoCommaNumber(buff, ymd.year, last);

   354

}

   355

   356

static char *FormatMonthAndYear(char *buff, Date date, const char* last)

   357

{

   358

	YearMonthDay ymd;

   359

   360

	ConvertDateToYMD(date, &ymd);

   361

   362

	buff = strecpy(buff, GetStringPtr(STR_MONTH_JAN + ymd.month), last);

   363

	buff = strecpy(buff, " ", last);

   364

   365

	return FormatNoCommaNumber(buff, ymd.year, last);

   366

}

   367

   368

static char *FormatTinyDate(char *buff, Date date, const char* last)

   369

{

   370

	YearMonthDay ymd;

   371

   372

	ConvertDateToYMD(date, &ymd);

   373

	buff += snprintf(

   374

		buff, last - buff + 1,

   375

		" %02i-%02i-%04i", ymd.day, ymd.month + 1, ymd.year

   376

	);

   377

   378

	return buff;

   379

}

   380

   381

static char *FormatGenericCurrency(char *buff, const CurrencySpec *spec, int64 number, bool compact, const char* last)

   382

{

   383

	const char* multiplier = "";

   384

	char buf[40];

   385

	char* p;

   386

	int j;

   387

   388

	// multiply by exchange rate

   389

	number *= spec->rate;

   390

   391

	// convert from negative

   392

	if (number < 0) {

   393

		buff = strecpy(buff, "-", last);

   394

		number = -number;

   395

	}

   396

   397

	/* Add prefix part, folowing symbol_pos specification.

   398

	 * Here, it can can be either 0 (prefix) or 2 (both prefix anf suffix).

   399

	 * The only remaining value is 1 (suffix), so everything that is not 1 */

   400

	if (spec->symbol_pos != 1) buff = strecpy(buff, spec->prefix, last);

   401

   402

	// for huge numbers, compact the number into k or M

   403

	if (compact) {

   404

		if (number >= 1000000000) {

   405

			number = (number + 500000) / 1000000;

   406

			multiplier = "M";

   407

		} else if (number >= 1000000) {

   408

			number = (number + 500) / 1000;

   409

			multiplier = "k";

   410

		}

   411

	}

   412

   413

	// convert to ascii number and add commas

   414

	p = endof(buf);

   415

	*--p = '\0';

   416

	j = 4;

   417

	do {

   418

		if (--j == 0) {

   419

			*--p = spec->separator;

   420

			j = 3;

   421

		}

   422

		*--p = '0' + number % 10;

   423

	} while ((number /= 10) != 0);

   424

	buff = strecpy(buff, p, last);

   425

   426

	buff = strecpy(buff, multiplier, last);

   427

   428

	/* Add suffix part, folowing symbol_pos specification.

   429

	 * Here, it can can be either 1 (suffix) or 2 (both prefix anf suffix).

   430

	 * The only remaining value is 1 (prefix), so everything that is not 0 */

   431

	if (spec->symbol_pos != 0) buff = strecpy(buff, spec->suffix, last);

   432

   433

	return buff;

   434

}

   435

   436

static int DeterminePluralForm(int32 n)

   437

{

   438

	// The absolute value determines plurality

   439

	if (n < 0) n = -n;

   440

   441

	switch (_langpack->plural_form) {

   442

	// Two forms, singular used for one only

   443

	// Used in:

   444

	//   Danish, Dutch, English, German, Norwegian, Swedish, Estonian, Finnish,

   445

	//   Greek, Hebrew, Italian, Portuguese, Spanish, Esperanto

   446

	case 0:

   447

	default:

   448

		return n != 1;

   449

   450

	// Only one form

   451

	// Used in:

   452

	//   Hungarian, Japanese, Korean, Turkish

   453

	case 1:

   454

		return 0;

   455

   456

	// Two forms, singular used for zero and one

   457

	// Used in:

   458

	//   French, Brazilian Portuguese

   459

	case 2:

   460

		return n > 1;

   461

   462

	// Three forms, special case for zero

   463

	// Used in:

   464

	//   Latvian

   465

	case 3:

   466

		return n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : 2;

   467

   468

	// Three forms, special case for one and two

   469

	// Used in:

   470

	//   Gaelige (Irish)

   471

	case 4:

   472

		return n==1 ? 0 : n==2 ? 1 : 2;

   473

   474

	// Three forms, special case for numbers ending in 1[2-9]

   475

	// Used in:

   476

	//   Lithuanian

   477

	case 5:

   478

		return n%10==1 && n%100!=11 ? 0 : n%10>=2 && (n%100<10 || n%100>=20) ? 1 : 2;

   479

   480

	// Three forms, special cases for numbers ending in 1 and 2, 3, 4, except those ending in 1[1-4]

   481

	// Used in:

   482

	//   Croatian, Czech, Russian, Slovak, Ukrainian

   483

	case 6:

   484

		return n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;

   485

   486

	// Three forms, special case for one and some numbers ending in 2, 3, or 4

   487

	// Used in:

   488

	//   Polish

   489

	case 7:

   490

		return n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;

   491

   492

	// Four forms, special case for one and all numbers ending in 02, 03, or 04

   493

	// Used in:

   494

	//   Slovenian