/* $Id$ */ #include "stdafx.h" #include "openttd.h" #include "currency.h" #include "functions.h" #include "string.h" #include "strings.h" #include "table/strings.h" #include "namegen.h" #include "station.h" #include "town.h" #include "vehicle.h" #include "news.h" #include "screenshot.h" #include "waypoint.h" #include "industry.h" #include "variables.h" #include "newgrf_text.h" #include "table/landscape_const.h" #include "music.h" #include "date.h" #ifdef WIN32 /* for opendir/readdir/closedir */ # include "fios.h" #else # include <sys/types.h> # include <dirent.h> #endif /* WIN32 */ char _userstring[128]; static char *StationGetSpecialString(char *buff, int x, const char* last); static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char* last); static char *GetSpecialPlayerNameString(char *buff, int ind, const int32 *argv, const char* last); static char *FormatString(char *buff, const char *str, const int32 *argv, uint casei, const char* last); typedef struct LanguagePack { uint32 ident; uint32 version; // 32-bits of auto generated version info which is basically a hash of strings.h char name[32]; // the international name of this language char own_name[32]; // the localized name of this language char isocode[16]; // the ISO code for the language (not country code) uint16 offsets[32]; // the offsets byte plural_form; // how to compute plural forms byte pad[3]; // pad header to be a multiple of 4 char data[VARARRAY_SIZE]; } LanguagePack; static char **_langpack_offs; static LanguagePack *_langpack; static uint _langtab_num[32]; // Offset into langpack offs static uint _langtab_start[32]; // Offset into langpack offs static const StringID _cargo_string_list[NUM_LANDSCAPE][NUM_CARGO] = { { /* LT_NORMAL */ STR_PASSENGERS, STR_TONS, STR_BAGS, STR_LITERS, STR_ITEMS, STR_CRATES, STR_TONS, STR_TONS, STR_TONS, STR_TONS, STR_BAGS, STR_RES_OTHER }, { /* LT_HILLY */ STR_PASSENGERS, STR_TONS, STR_BAGS, STR_LITERS, STR_ITEMS, STR_CRATES, STR_TONS, STR_TONS, STR_RES_OTHER, STR_TONS, STR_BAGS, STR_TONS }, { /* LT_DESERT */ STR_PASSENGERS, STR_LITERS, STR_BAGS, STR_LITERS, STR_TONS, STR_CRATES, STR_TONS, STR_TONS, STR_TONS, STR_LITERS, STR_BAGS, STR_TONS }, { /* LT_CANDY */ STR_PASSENGERS, STR_TONS, STR_BAGS, STR_NOTHING, STR_NOTHING, STR_TONS, STR_TONS, STR_LITERS, STR_TONS, STR_NOTHING, STR_LITERS, STR_NOTHING } }; // Read an int64 from the argv array. static inline int64 GetInt64(const int32 **argv) { int64 result; assert(argv); result = (uint32)(*argv)[0] + ((uint64)(uint32)(*argv)[1] << 32); (*argv)+=2; return result; } // Read an int32 from the argv array. static inline int32 GetInt32(const int32 **argv) { assert(argv); return *(*argv)++; } // Read an array from the argv array. static inline const int32 *GetArgvPtr(const int32 **argv, int n) { const int32 *result; assert(*argv); result = *argv; (*argv) += n; return result; } #define NUM_BOUND_STRINGS 8 // Array to hold the bound strings. static const char *_bound_strings[NUM_BOUND_STRINGS]; // This index is used to implement a "round-robin" allocating of // slots for BindCString. NUM_BOUND_STRINGS slots are reserved. // Which means that after NUM_BOUND_STRINGS calls to BindCString, // the indices will be reused. static int _bind_index; static const char *GetStringPtr(StringID string) { return _langpack_offs[_langtab_start[string >> 11] + (string & 0x7FF)]; } // The highest 8 bits of string contain the "case index". // These 8 bits will only be set when FormatString wants to print // the string in a different case. No one else except FormatString // should set those bits, therefore string CANNOT be StringID, but uint32. static char *GetStringWithArgs(char *buffr, uint string, const int32 *argv, const char* last) { uint index = GB(string, 0, 11); uint tab = GB(string, 11, 5); char buff[512]; if (GB(string, 0, 16) == 0) error("!invalid string id 0 in GetString"); switch (tab) { case 4: if (index >= 0xC0) return GetSpecialTownNameString(buffr, index - 0xC0, GetInt32(&argv), last); break; case 14: if (index >= 0xE4) return GetSpecialPlayerNameString(buffr, index - 0xE4, argv, last); break; // User defined name case 15: return GetName(buffr, index, last); case 26: /* Include string within newgrf text (format code 81) */ if (HASBIT(index, 10)) { StringID string = GetGRFStringID(0, 0xD000 + GB(index, 0, 10)); return GetStringWithArgs(buffr, string, argv, last); } break; case 28: GetGRFString(buff, index, lastof(buff)); return FormatString(buffr, buff, argv, 0, last); case 29: GetGRFString(buff, index + 0x800, lastof(buff)); return FormatString(buffr, buff, argv, 0, last); case 30: GetGRFString(buff, index + 0x1000, lastof(buff)); return FormatString(buffr, buff, argv, 0, last); case 31: // dynamic strings. These are NOT to be passed through the formatter, // but passed through verbatim. if (index < (STR_SPEC_USERSTRING & 0x7FF)) { return strecpy(buffr, _bound_strings[index], last); } return FormatString(buffr, _userstring, NULL, 0, last); } if (index >= _langtab_num[tab]) { error( "!String 0x%X is invalid. " "Probably because an old version of the .lng file.\n", string ); } return FormatString(buffr, GetStringPtr(GB(string, 0, 16)), argv, GB(string, 24, 8), last); } char *GetString(char *buffr, StringID string, const char* last) { return GetStringWithArgs(buffr, string, (int32*)_decode_parameters, last); } // This function takes a C-string and allocates a temporary string ID. // The duration of the bound string is valid only until the next GetString, // so be careful. StringID BindCString(const char *str) { int idx = (++_bind_index) & (NUM_BOUND_STRINGS - 1); _bound_strings[idx] = str; return idx + STR_SPEC_DYNSTRING; } // This function is used to "bind" a C string to a OpenTTD dparam slot. void SetDParamStr(uint n, const char *str) { SetDParam(n, BindCString(str)); } void InjectDParam(int amount) { memmove(_decode_parameters + amount, _decode_parameters, sizeof(_decode_parameters) - amount * sizeof(uint32)); } static const uint32 _divisor_table[] = { 1000000000, 100000000, 10000000, 1000000, 100000, 10000, 1000, 100, 10, 1 }; // TODO static char *FormatCommaNumber(char *buff, int32 number, const char* last) { uint32 quot,divisor; int i; uint32 tot; uint32 num; if (number < 0) { *buff++ = '-'; number = -number; } num = number; tot = 0; for (i = 0; i != 10; i++) { divisor = _divisor_table[i]; quot = 0; if (num >= divisor) { quot = num / _divisor_table[i]; num = num % _divisor_table[i]; } if (tot |= quot || i == 9) { *buff++ = '0' + quot; if (i == 0 || i == 3 || i == 6) *buff++ = ','; } } *buff = '\0'; return buff; } // TODO static char *FormatNoCommaNumber(char *buff, int32 number, const char* last) { uint32 quot,divisor; int i; uint32 tot; uint32 num; if (number < 0) { buff = strecpy(buff, "-", last); number = -number; } num = number; tot = 0; for (i = 0; i != 10; i++) { divisor = _divisor_table[i]; quot = 0; if (num >= divisor) { quot = num / _divisor_table[i]; num = num % _divisor_table[i]; } if (tot |= quot || i == 9) { *buff++ = '0' + quot; } } *buff = '\0'; return buff; } static char *FormatYmdString(char *buff, Date date, const char* last) { YearMonthDay ymd; ConvertDateToYMD(date, &ymd); buff = strecpy(buff, GetStringPtr(ymd.day + STR_01AC_1ST - 1), last); buff = strecpy(buff, " ", last); buff = strecpy(buff, GetStringPtr(STR_0162_JAN + ymd.month), last); buff = strecpy(buff, " ", last); return FormatNoCommaNumber(buff, ymd.year, last); } static char *FormatMonthAndYear(char *buff, Date date, const char* last) { YearMonthDay ymd; ConvertDateToYMD(date, &ymd); buff = strecpy(buff, GetStringPtr(STR_MONTH_JAN + ymd.month), last); buff = strecpy(buff, " ", last); return FormatNoCommaNumber(buff, ymd.year, last); } static char *FormatTinyDate(char *buff, Date date, const char* last) { YearMonthDay ymd; ConvertDateToYMD(date, &ymd); buff += snprintf( buff, last - buff + 1, " %02i-%02i-%04i", ymd.day, ymd.month + 1, ymd.year ); return buff; } static char *FormatGenericCurrency(char *buff, const CurrencySpec *spec, int64 number, bool compact, const char* last) { const char* multiplier = ""; char buf[40]; char* p; int j; // multiply by exchange rate number *= spec->rate; // convert from negative if (number < 0) { buff = strecpy(buff, "-", last); number = -number; } /* Add prefix part, folowing symbol_pos specification. * Here, it can can be either 0 (prefix) or 2 (both prefix anf suffix). * The only remaining value is 1 (suffix), so everything that is not 1 */ if (spec->symbol_pos != 1) buff = strecpy(buff, spec->prefix, last); // for huge numbers, compact the number into k or M if (compact) { if (number >= 1000000000) { number = (number + 500000) / 1000000; multiplier = "M"; } else if (number >= 1000000) { number = (number + 500) / 1000; multiplier = "k"; } } // convert to ascii number and add commas p = endof(buf); *--p = '\0'; j = 4; do { if (--j == 0) { *--p = spec->separator; j = 3; } *--p = '0' + number % 10; } while ((number /= 10) != 0); buff = strecpy(buff, p, last); buff = strecpy(buff, multiplier, last); /* Add suffix part, folowing symbol_pos specification. * Here, it can can be either 1 (suffix) or 2 (both prefix anf suffix). * The only remaining value is 1 (prefix), so everything that is not 0 */ if (spec->symbol_pos != 0) buff = strecpy(buff, spec->suffix, last); return buff; } static int DeterminePluralForm(int32 n) { // The absolute value determines plurality if (n < 0) n = -n; switch (_langpack->plural_form) { // Two forms, singular used for one only // Used in: // Danish, Dutch, English, German, Norwegian, Swedish, Estonian, Finnish, // Greek, Hebrew, Italian, Portuguese, Spanish, Esperanto case 0: default: return n != 1; // Only one form // Used in: // Hungarian, Japanese, Korean, Turkish case 1: return 0; // Two forms, singular used for zero and one // Used in: // French, Brazilian Portuguese case 2: return n > 1; // Three forms, special case for zero // Used in: // Latvian case 3: return n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : 2; // Three forms, special case for one and two // Used in: // Gaelige (Irish) case 4: return n==1 ? 0 : n==2 ? 1 : 2; // Three forms, special case for numbers ending in 1[2-9] // Used in: // Lithuanian case 5: return n%10==1 && n%100!=11 ? 0 : n%10>=2 && (n%100<10 || n%100>=20) ? 1 : 2; // Three forms, special cases for numbers ending in 1 and 2, 3, 4, except those ending in 1[1-4] // Used in: // Croatian, Czech, Russian, Slovak, Ukrainian case 6: return n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2; // Three forms, special case for one and some numbers ending in 2, 3, or 4 // Used in: // Polish case 7: return n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2; // Four forms, special case for one and all numbers ending in 02, 03, or 04 // Used in: // Slovenian case 8: return n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n%100==4 ? 2 : 3; } } static const char *ParseStringChoice(const char *b, uint form, char *dst, int *dstlen) { //<NUM> {Length of each string} {each string} uint n = (byte)*b++; uint pos,i, mylen=0,mypos=0; for (i = pos = 0; i != n; i++) { uint len = (byte)*b++; if (i == form) { mypos = pos; mylen = len; } pos += len; } *dstlen = mylen; memcpy(dst, b + mypos, mylen); return b + pos; } typedef struct Units { int s_m; ///< Multiplier for velocity int s_s; ///< Shift for velocity StringID velocity; ///< String for velocity int p_m; ///< Multiplier for power int p_s; ///< Shift for power StringID power; ///< String for velocity int w_m; ///< Multiplier for weight int w_s; ///< Shift for weight StringID s_weight; ///< Short string for weight StringID l_weight; ///< Long string for weight int v_m; ///< Multiplier for volume int v_s; ///< Shift for volume StringID s_volume; ///< Short string for volume StringID l_volume; ///< Long string for volume int f_m; ///< Multiplier for force int f_s; ///< Shift for force StringID force; ///< String for force } Units; /* Unit conversions */ static const Units units[] = { { // Imperial (Original, mph, hp, metric ton, litre, metric ton force) 10, 4, STR_UNITS_VELOCITY_IMPERIAL, 1, 0, STR_UNITS_POWER_IMPERIAL, 1, 0, STR_UNITS_WEIGHT_SHORT_METRIC, STR_UNITS_WEIGHT_LONG_METRIC, 1000, 0, STR_UNITS_VOLUME_SHORT_METRIC, STR_UNITS_VOLUME_LONG_METRIC, 835, 13, STR_UNITS_FORCE_METRIC, }, { // Metric (km/h, hp, metric ton, litre, metric ton force) 1, 0, STR_UNITS_VELOCITY_METRIC, 1, 0, STR_UNITS_POWER_METRIC, 1, 0, STR_UNITS_WEIGHT_SHORT_METRIC, STR_UNITS_WEIGHT_LONG_METRIC, 1000, 0, STR_UNITS_VOLUME_SHORT_METRIC, STR_UNITS_VOLUME_LONG_METRIC, 835, 13, STR_UNITS_FORCE_METRIC, }, { // SI (m/s, kilowatt, kilogram, cubic metres, kilonewton) 284, 10, STR_UNITS_VELOCITY_SI, 764, 10, STR_UNITS_POWER_SI, 1000, 0, STR_UNITS_WEIGHT_SHORT_SI, STR_UNITS_WEIGHT_LONG_SI, 1, 0, STR_UNITS_VOLUME_SHORT_SI, STR_UNITS_VOLUME_LONG_SI, 1, 0, STR_UNITS_FORCE_SI, }, }; static char* FormatString(char* buff, const char* str, const int32* argv, uint casei, const char* last) { extern const char _openttd_revision[]; byte b; const int32 *argv_orig = argv; uint modifier = 0; while ((b = *str++) != '\0') { switch (b) { case 0x1: // {SETX} if (buff != last && buff + 1 != last) { *buff++ = b; *buff++ = *str++; } break; case 0x2: // {SETXY} if (buff != last && buff + 1 != last && buff + 2 != last) { *buff++ = b; *buff++ = *str++; *buff++ = *str++; } break; case 0x81: // {STRINL} buff = GetStringWithArgs(buff, ReadLE16Unaligned(str), argv, last); str += 2; break; case 0x82: // {DATE_LONG} buff = FormatYmdString(buff, GetInt32(&argv), last); break; case 0x83: // {DATE_SHORT} buff = FormatMonthAndYear(buff, GetInt32(&argv), last); break; case 0x84: {// {VELOCITY} int32 args[1]; assert(_opt_ptr->units < lengthof(units)); args[0] = GetInt32(&argv) * units[_opt_ptr->units].s_m >> units[_opt_ptr->units].s_s; buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].velocity), args, modifier >> 24, last); modifier = 0; break; } // 0x85 is used as escape character.. case 0x85: switch (*str++) { case 0: /* {CURRCOMPACT} */ buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), true, last); break; case 2: /* {REV} */ buff = strecpy(buff, _openttd_revision, last); break; case 3: { /* {SHORTCARGO} */ // Short description of cargotypes. Layout: // 8-bit = cargo type // 16-bit = cargo count StringID cargo_str = _cargo_types_base_values[_opt_ptr->landscape].units_volume[GetInt32(&argv)]; switch (cargo_str) { case STR_TONS: { int32 args[1]; assert(_opt_ptr->units < lengthof(units)); args[0] = GetInt32(&argv) * units[_opt_ptr->units].w_m >> units[_opt_ptr->units].w_s; buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_weight), args, modifier >> 24, last); modifier = 0; break; } case STR_LITERS: { int32 args[1]; assert(_opt_ptr->units < lengthof(units)); args[0] = GetInt32(&argv) * units[_opt_ptr->units].v_m >> units[_opt_ptr->units].v_s; buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_volume), args, modifier >> 24, last); modifier = 0; break; } default: buff = FormatCommaNumber(buff, GetInt32(&argv), last); buff = strecpy(buff, " ", last); buff = strecpy(buff, GetStringPtr(cargo_str), last); break; } } break; case 4: {/* {CURRCOMPACT64} */ // 64 bit compact currency-unit buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), true, last); break; } case 5: { /* {STRING1} */ // String that consumes ONE argument uint str = modifier + GetInt32(&argv); buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 1), last); modifier = 0; break; } case 6: { /* {STRING2} */ // String that consumes TWO arguments uint str = modifier + GetInt32(&argv); buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 2), last); modifier = 0; break; } case 7: { /* {STRING3} */ // String that consumes THREE arguments uint str = modifier + GetInt32(&argv); buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 3), last); modifier = 0; break; } case 8: { /* {STRING4} */ // String that consumes FOUR arguments uint str = modifier + GetInt32(&argv); buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 4), last); modifier = 0; break; } case 9: { /* {STRING5} */ // String that consumes FIVE arguments uint str = modifier + GetInt32(&argv); buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 5), last); modifier = 0; break; } case 10: { /* {STATIONFEATURES} */ buff = StationGetSpecialString(buff, GetInt32(&argv), last); break; } case 11: { /* {INDUSTRY} */ const Industry* i = GetIndustry(GetInt32(&argv)); int32 args[2]; // industry not valid anymore? if (!IsValidIndustry(i)) break; // First print the town name and the industry type name // The string STR_INDUSTRY_PATTERN controls the formatting args[0] = i->town->index; args[1] = i->type + STR_4802_COAL_MINE; buff = FormatString(buff, GetStringPtr(STR_INDUSTRY_FORMAT), args, modifier >> 24, last); modifier = 0; break; } case 12: { // {VOLUME} int32 args[1]; assert(_opt_ptr->units < lengthof(units)); args[0] = GetInt32(&argv) * units[_opt_ptr->units].v_m >> units[_opt_ptr->units].v_s; buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_volume), args, modifier >> 24, last); modifier = 0; break; } case 13: { // {G 0 Der Die Das} const byte* s = (const byte*)GetStringPtr(argv_orig[(byte)*str++]); // contains the string that determines gender. int len; int gender = 0; if (s != NULL && s[0] == 0x87) gender = s[1]; str = ParseStringChoice(str, gender, buff, &len); buff += len; break; } case 14: { // {DATE_TINY} buff = FormatTinyDate(buff, GetInt32(&argv), last); break; } case 15: { // {CARGO} // Layout now is: // 8bit - cargo type // 16-bit - cargo count CargoID cargo = GetInt32(&argv); StringID cargo_str = (cargo == CT_INVALID) ? STR_8838_N_A : _cargoc.names_long[cargo]; buff = GetStringWithArgs(buff, cargo_str, argv++, last); break; } case 16: { // {POWER} int32 args[1]; assert(_opt_ptr->units < lengthof(units)); args[0] = GetInt32(&argv) * units[_opt_ptr->units].p_m >> units[_opt_ptr->units].p_s; buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].power), args, modifier >> 24, last); modifier = 0; break; } case 17: { // {VOLUME_S} int32 args[1]; assert(_opt_ptr->units < lengthof(units)); args[0] = GetInt32(&argv) * units[_opt_ptr->units].v_m >> units[_opt_ptr->units].v_s; buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].s_volume), args, modifier >> 24, last); modifier = 0; break; } case 18: { // {WEIGHT} int32 args[1]; assert(_opt_ptr->units < lengthof(units)); args[0] = GetInt32(&argv) * units[_opt_ptr->units].w_m >> units[_opt_ptr->units].w_s; buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_weight), args, modifier >> 24, last); modifier = 0; break; } case 19: { // {WEIGHT_S} int32 args[1]; assert(_opt_ptr->units < lengthof(units)); args[0] = GetInt32(&argv) * units[_opt_ptr->units].w_m >> units[_opt_ptr->units].w_s; buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].s_weight), args, modifier >> 24, last); modifier = 0; break; } case 20: { // {FORCE} int32 args[1]; assert(_opt_ptr->units < lengthof(units)); args[0] = GetInt32(&argv) * units[_opt_ptr->units].f_m >> units[_opt_ptr->units].f_s; buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].force), args, modifier >> 24, last); modifier = 0; break; } default: error("!invalid escape sequence in string"); } break; case 0x86: // {SKIP} argv++; break; // This sets up the gender for the string. // We just ignore this one. It's used in {G 0 Der Die Das} to determine the case. case 0x87: // {GENDER 0} str++; break; case 0x88: {// {STRING} uint str = modifier + GetInt32(&argv); // WARNING. It's prohibited for the included string to consume any arguments. // For included strings that consume argument, you should use STRING1, STRING2 etc. // To debug stuff you can set argv to NULL and it will tell you buff = GetStringWithArgs(buff, str, argv, last); modifier = 0; break; } case 0x8B: // {COMMA} buff = FormatCommaNumber(buff, GetInt32(&argv), last); break; case 0x8C: // Move argument pointer argv = argv_orig + (byte)*str++; break; case 0x8D: { // {P} int32 v = argv_orig[(byte)*str++]; // contains the number that determines plural int len; str = ParseStringChoice(str, DeterminePluralForm(v), buff, &len); buff += len; break; } case 0x8E: // {NUM} buff = FormatNoCommaNumber(buff, GetInt32(&argv), last); break; case 0x8F: // {CURRENCY} buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), false, last); break; case 0x99: { // {WAYPOINT} int32 temp[2]; Waypoint *wp = GetWaypoint(GetInt32(&argv)); StringID str; if (wp->string != STR_NULL) { str = wp->string; } else { temp[0] = wp->town_index; temp[1] = wp->town_cn + 1; str = wp->town_cn == 0 ? STR_WAYPOINTNAME_CITY : STR_WAYPOINTNAME_CITY_SERIAL; } buff = GetStringWithArgs(buff, str, temp, last); } break; case 0x9A: { // {STATION} const Station* st = GetStation(GetInt32(&argv)); if (!IsValidStation(st)) { // station doesn't exist anymore buff = GetStringWithArgs(buff, STR_UNKNOWN_DESTINATION, NULL, last); } else { int32 temp[2]; temp[0] = st->town->townnametype; temp[1] = st->town->townnameparts; buff = GetStringWithArgs(buff, st->string_id, temp, last); } break; } case 0x9B: { // {TOWN} const Town* t = GetTown(GetInt32(&argv)); int32 temp[1]; assert(IsValidTown(t)); temp[0] = t->townnameparts; buff = GetStringWithArgs(buff, t->townnametype, temp, last); break; } case 0x9C: { // {CURRENCY64} buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), false, last); break; } case 0x9D: { // {SETCASE} // This is a pseudo command, it's outputted when someone does {STRING.ack} // The modifier is added to all subsequent GetStringWithArgs that accept the modifier. modifier = (byte)*str++ << 24; break; } case 0x9E: { // {Used to implement case switching} // <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT> // Each LEN is printed using 2 bytes in big endian order. uint num = (byte)*str++; while (num) { if ((byte)str[0] == casei) { // Found the case, adjust str pointer and continue str += 3; break; } // Otherwise skip to the next case str += 3 + (str[1] << 8) + str[2]; num--; } break; } default: if (buff != last) *buff++ = b; } } *buff = '\0'; return buff; } static char *StationGetSpecialString(char *buff, int x, const char* last) { if (x & 0x01) buff = strecpy(buff, "\x94", last); if (x & 0x02) buff = strecpy(buff, "\x95", last); if (x & 0x04) buff = strecpy(buff, "\x96", last); if (x & 0x08) buff = strecpy(buff, "\x97", last); if (x & 0x10) buff = strecpy(buff, "\x98", last); return buff; } static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char* last) { char name[512]; _town_name_generators[ind](name, seed, lastof(name)); return strecpy(buff, name, last); } static const char* const _silly_company_names[] = { "Bloggs Brothers", "Tiny Transport Ltd.", "Express Travel", "Comfy-Coach & Co.", "Crush & Bump Ltd.", "Broken & Late Ltd.", "Sam Speedy & Son", "Supersonic Travel", "Mike's Motors", "Lightning International", "Pannik & Loozit Ltd.", "Inter-City Transport", "Getout & Pushit Ltd." }; static const char* const _surname_list[] = { "Adams", "Allan", "Baker", "Bigwig", "Black", "Bloggs", "Brown", "Campbell", "Gordon", "Hamilton", "Hawthorn", "Higgins", "Green", "Gribble", "Jones", "McAlpine", "MacDonald", "McIntosh", "Muir", "Murphy", "Nelson", "O'Donnell", "Parker", "Phillips", "Pilkington", "Quigley", "Sharkey", "Thomson", "Watkins" }; static const char* const _silly_surname_list[] = { "Grumpy", "Dozy", "Speedy", "Nosey", "Dribble", "Mushroom", "Cabbage", "Sniffle", "Fishy", "Swindle", "Sneaky", "Nutkins" }; static const char _initial_name_letters[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'W', }; static char *GenAndCoName(char *buff, uint32 arg, const char* last) { const char* const* base; uint num; if (_opt_ptr->landscape == LT_CANDY) { base = _silly_surname_list; num = lengthof(_silly_surname_list); } else { base = _surname_list; num = lengthof(_surname_list); } buff = strecpy(buff, base[num * GB(arg, 16, 8) >> 8], last); buff = strecpy(buff, " & Co.", last); return buff; } static char *GenPresidentName(char *buff, uint32 x, const char* last) { char initial[] = "?. "; const char* const* base; uint num; uint i; initial[0] = _initial_name_letters[sizeof(_initial_name_letters) * GB(x, 0, 8) >> 8]; buff = strecpy(buff, initial, last); i = (sizeof(_initial_name_letters) + 35) * GB(x, 8, 8) >> 8; if (i < sizeof(_initial_name_letters)) { initial[0] = _initial_name_letters[i]; buff = strecpy(buff, initial, last); } if (_opt_ptr->landscape == LT_CANDY) { base = _silly_surname_list; num = lengthof(_silly_surname_list); } else { base = _surname_list; num = lengthof(_surname_list); } buff = strecpy(buff, base[num * GB(x, 16, 8) >> 8], last); return buff; } static char *GetSpecialPlayerNameString(char *buff, int ind, const int32 *argv, const char* last) { switch (ind) { case 1: // not used return strecpy(buff, _silly_company_names[GetInt32(&argv) & 0xFFFF], last); case 2: // used for Foobar & Co company names return GenAndCoName(buff, GetInt32(&argv), last); case 3: // President name return GenPresidentName(buff, GetInt32(&argv), last); case 4: // song names return strecpy(buff, origin_songs_specs[GetInt32(&argv) - 1].song_name, last); } // town name? if (IS_INT_INSIDE(ind - 6, 0, SPECSTR_TOWNNAME_LAST-SPECSTR_TOWNNAME_START + 1)) { buff = GetSpecialTownNameString(buff, ind - 6, GetInt32(&argv), last); return strecpy(buff, " Transport", last); } // language name? if (IS_INT_INSIDE(ind, (SPECSTR_LANGUAGE_START - 0x70E4), (SPECSTR_LANGUAGE_END - 0x70E4) + 1)) { int i = ind - (SPECSTR_LANGUAGE_START - 0x70E4); return strecpy(buff, i == _dynlang.curr ? _langpack->own_name : _dynlang.ent[i].name, last); } // resolution size? if (IS_INT_INSIDE(ind, (SPECSTR_RESOLUTION_START - 0x70E4), (SPECSTR_RESOLUTION_END - 0x70E4) + 1)) { int i = ind - (SPECSTR_RESOLUTION_START - 0x70E4); buff += snprintf( buff, last - buff + 1, "%dx%d", _resolutions[i][0], _resolutions[i][1] ); return buff; } // screenshot format name? if (IS_INT_INSIDE(ind, (SPECSTR_SCREENSHOT_START - 0x70E4), (SPECSTR_SCREENSHOT_END - 0x70E4) + 1)) { int i = ind - (SPECSTR_SCREENSHOT_START - 0x70E4); return strecpy(buff, GetScreenshotFormatDesc(i), last); } assert(0); return NULL; } // remap a string ID from the old format to the new format StringID RemapOldStringID(StringID s) { switch (s) { case 0x0006: return STR_SV_EMPTY; case 0x7000: return STR_SV_UNNAMED; case 0x70E4: return SPECSTR_PLAYERNAME_ENGLISH; case 0x70E9: return SPECSTR_PLAYERNAME_ENGLISH; case 0x8864: return STR_SV_TRAIN_NAME; case 0x902B: return STR_SV_ROADVEH_NAME; case 0x9830: return STR_SV_SHIP_NAME; case 0xA02F: return STR_SV_AIRCRAFT_NAME; default: if (IS_INT_INSIDE(s, 0x300F, 0x3030)) { return s - 0x300F + STR_SV_STNAME; } else { return s; } } } bool ReadLanguagePack(int lang_index) { int tot_count, i; LanguagePack *lang_pack; size_t len; char **langpack_offs; char *s; { char *lang = str_fmt("%s%s", _path.lang_dir, _dynlang.ent[lang_index].file); lang_pack = ReadFileToMem(lang, &len, 100000); free(lang); } if (lang_pack == NULL) return false; if (len < sizeof(LanguagePack) || lang_pack->ident != TO_LE32(LANGUAGE_PACK_IDENT) || lang_pack->version != TO_LE32(LANGUAGE_PACK_VERSION)) { free(lang_pack); return false; } #if defined(TTD_BIG_ENDIAN) for (i = 0; i != 32; i++) { lang_pack->offsets[i] = ReadLE16Aligned(&lang_pack->offsets[i]); } #endif tot_count = 0; for (i = 0; i != 32; i++) { uint num = lang_pack->offsets[i]; _langtab_start[i] = tot_count; _langtab_num[i] = num; tot_count += num; } // Allocate offsets langpack_offs = malloc(tot_count * sizeof(*langpack_offs)); // Fill offsets s = lang_pack->data; for (i = 0; i != tot_count; i++) { len = (byte)*s; *s++ = '\0'; // zero terminate the string before. if (len >= 0xC0) len = ((len & 0x3F) << 8) + (byte)*s++; langpack_offs[i] = s; s += len; } free(_langpack); _langpack = lang_pack; free(_langpack_offs); _langpack_offs = langpack_offs; ttd_strlcpy(_dynlang.curr_file, _dynlang.ent[lang_index].file, sizeof(_dynlang.curr_file)); _dynlang.curr = lang_index; SetCurrentGrfLangID(_langpack->isocode); return true; } /** Determine the current charset based on the environment * First check some default values, after this one we passed ourselves * and if none exist return the value for $LANG * @param environment variable to check conditionally if default ones are not * set. Pass NULL if you don't want additional checks. * @return return string containing current charset, or NULL if not-determinable */ const char *GetCurrentLocale(const char *param) { const char *env; env = getenv("LANGUAGE"); if (env != NULL) return env; env = getenv("LC_ALL"); if (env != NULL) return env; if (param != NULL) { env = getenv(param); if (env != NULL) return env; } return getenv("LANG"); } static int CDECL LanguageCompareFunc(const void *a, const void *b) { return strcmp(*(const char* const *)a, *(const char* const *)b); } static int GetLanguageList(char **languages, int max) { DIR *dir; struct dirent *dirent; int num = 0; dir = opendir(_path.lang_dir); if (dir != NULL) { while ((dirent = readdir(dir)) != NULL) { char *t = strrchr(dirent->d_name, '.'); if (t != NULL && strcmp(t, ".lng") == 0) { languages[num++] = strdup(dirent->d_name); if (num == max) break; } } closedir(dir); } qsort(languages, num, sizeof(char*), LanguageCompareFunc); return num; } // make a list of the available language packs. put the data in _dynlang struct. void InitializeLanguagePacks(void) { DynamicLanguages *dl = &_dynlang; int i; int n; int m; int def; int def2; int fallback; LanguagePack hdr; FILE *in; char *files[32]; const char* lang; lang = GetCurrentLocale("LC_MESSAGES"); if (lang == NULL) lang = "en_GB"; n = GetLanguageList(files, lengthof(files)); def = -1; def2 = -1; fallback = 0; // go through the language files and make sure that they are valid. for (i = m = 0; i != n; i++) { size_t j; char *s = str_fmt("%s%s", _path.lang_dir, files[i]); in = fopen(s, "rb"); free(s); if (in == NULL || (j = fread(&hdr, sizeof(hdr), 1, in), fclose(in), j) != 1 || hdr.ident != TO_LE32(LANGUAGE_PACK_IDENT) || hdr.version != TO_LE32(LANGUAGE_PACK_VERSION)) { free(files[i]); continue; } dl->ent[m].file = files[i]; dl->ent[m].name = strdup(hdr.name); if (strcmp(hdr.isocode, "en_GB") == 0) fallback = m; if (strncmp(hdr.isocode, lang, 2) == 0) def2 = m; if (strncmp(hdr.isocode, lang, 5) == 0) def = m; m++; } if (def == -1) def = (def2 != -1 ? def2 : fallback); if (m == 0) error(n == 0 ? "No available language packs" : "Invalid version of language packs"); dl->num = m; for (i = 0; i != dl->num; i++) dl->dropdown[i] = SPECSTR_LANGUAGE_START + i; dl->dropdown[i] = INVALID_STRING_ID; for (i = 0; i != dl->num; i++) if (strcmp(dl->ent[i].file, dl->curr_file) == 0) { def = i; break; } if (!ReadLanguagePack(def)) error("can't read language pack '%s'", dl->ent[def].file); }