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Location: cpp/openttd-patchpack/source/strings.c
r150:0e3db0ea1838
20.8 KiB
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(svn r151) -Fix: [1021566] Buy/Sell 25% share button is broke
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#include "ttd.h"
#include "station.h"
#include "town.h"
#include "vehicle.h"
#include "news.h"
#define USE_TABLE(x) { assert(index < lengthof(x)); str = x[index]; break; }
static byte *StationGetSpecialString(byte *buff);
static byte *GetSpecialTownNameString(byte *buff, int ind);
static byte *GetSpecialPlayerNameString(byte *buff, int ind);
static byte *DecodeString(byte *buff, const byte *str);
static byte **_langpack_offs;
static byte *_langpack;
static uint _langtab_num[32]; // Offset into langpack offs
static uint _langtab_start[32]; // Offset into langpack offs
#ifdef WITH_REV_HACK
#define WITH_REV
const char _openttd_revision[] = WITH_REV_HACK;
#endif
#ifdef WITH_REV
extern const char _openttd_revision[];
#endif
typedef byte *PlayerNameGeneratorProc(byte *buffr);
typedef struct {
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
uint16 offsets[32]; // the offsets
} LanguagePackHeader;
typedef struct {
uint16 rate;
char separator;
byte flags;
char pre[4];
char post[4];
} CurrencySpec;
enum {
CF_TOEURO_2002 = 1,
CF_ISEURO = 2,
};
static const CurrencySpec _currency_specs[] = {
{ 1, ',', 0, "\xA3", "" }, // british pounds
{ 2, ',', 0, "$", "" }, // us dollars
{ 10, '.', CF_TOEURO_2002, "FF ", "" }, // french francs
{ 4, '.', CF_TOEURO_2002, "DM ", "" }, // deutsche mark
{ 200, ',', 0, "\xA5", "" }, // yen
{ 200, '.', CF_TOEURO_2002, "Pt", "" }, // spanish pesetas
{ 376, ',', CF_TOEURO_2002, "", " Ft" },
{ 6, ' ', 0, "", " zl" },
{ 19, ',', CF_TOEURO_2002, "ATS ", "" },
{ 57, ',', CF_TOEURO_2002, "BEF ", "" },
{ 10, '.', 0, "", " kr" },
{ 8, ',', CF_TOEURO_2002, "FIM ", "" },
{ 480, ',', CF_TOEURO_2002, "GRD ", "" },
{ 2, ',', 0, "CHF ", "" },
{ 3, ',', CF_TOEURO_2002, "NLG ", "" },
{ 2730,',', CF_TOEURO_2002, "ITL ", "" },
{ 13, '.', 0, "", " kr" },
{ 5, ' ', 0, "", " rur" },
{ 50, ',', 0, "", " Kc" },
{ 130, '.', 0, "", " kr" },
{ 11, '.', 0, "", " kr" },
{ 2, ',', CF_ISEURO, "€", "" },
};
const uint16 _currency_string_list[] = {
STR_CURR_POUNDS,
STR_CURR_DOLLARS,
STR_CURR_FF,
STR_CURR_DM,
STR_CURR_YEN,
STR_CURR_PT,
STR_CURR_FT,
STR_CURR_ZL,
STR_CURR_ATS,
STR_CURR_BEF,
STR_CURR_DKK,
STR_CURR_FIM,
STR_CURR_GRD,
STR_CURR_CHF,
STR_CURR_NLG,
STR_CURR_ITL,
STR_CURR_SEK,
STR_CURR_RUR,
STR_CURR_CZK,
STR_CURR_ISK,
STR_CURR_NOK,
STR_CURR_EUR,
INVALID_STRING_ID
};
static const uint16 _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}
};
// get a mask of the allowed currencies depending on the year
uint GetMaskOfAllowedCurrencies()
{
int i;
uint mask = 0;
for(i=0; i!=lengthof(_currency_specs); i++) {
byte flags = _currency_specs[i].flags;
if (_cur_year >= (2002-1920) && (flags & CF_TOEURO_2002)) continue;
if (_cur_year < (2000-1920) && (flags & CF_ISEURO)) continue;
mask |= (1 << i);
}
return mask;
}
void CheckSwitchToEuro()
{
if (_cur_year >= (2002-1920) && _currency_specs[_opt.currency].flags & CF_TOEURO_2002) {
_opt.currency = 21; // this is the index of euro above.
AddNewsItem(STR_EURO_INTRODUCE, NEWS_FLAGS(NM_NORMAL,0,NT_ECONOMY,0), 0, 0);
}
}
static byte *str_cat(byte *dst, const byte *src)
{
while ( (*dst++ = *src++) != 0) {}
return dst - 1;
}
static byte *GetStringPtr(uint16 string)
{
return _langpack_offs[_langtab_start[string >> 11] + (string & 0x7FF)];
}
byte *GetString(byte *buffr, uint16 string)
{
uint index = string & 0x7FF;
uint tab = string >> 11;
if (string == 0) error("!invalid string id 0 in GetString");
if ( tab == 4 && index >= 0xC0)
return GetSpecialTownNameString(buffr, index - 0xC0);
if ( tab == 6 && index == 0xD1)
return StationGetSpecialString(buffr);
if ( tab == 14 && index >= 0xE4)
return GetSpecialPlayerNameString(buffr, index - 0xE4);
if ( tab == 15)
return GetName(index, buffr);
// tab 31 is used for special or dynamic strings
if ( tab == 31) {
return DecodeString(buffr, index == (STR_SPEC_SCREENSHOT_NAME & 0x7FF) ? _screenshot_name : _userstring);
}
if (index >= _langtab_num[tab])
error("!String 0x%X is invalid. Probably because an old version of the .lng file.\n", string);
return DecodeString(buffr, GetStringPtr(string));
}
void InjectDparam(int amount)
{
memmove(_decode_parameters + amount, _decode_parameters, sizeof(_decode_parameters) - amount * sizeof(uint32));
}
int32 GetParamInt32()
{
int32 result = GET_DPARAM32(0);
memcpy_overlapping(&_decode_parameters[0], &_decode_parameters[1], sizeof(uint32) * (lengthof(_decode_parameters)-1));
return result;
}
int64 GetParamInt64()
{
int64 result = GET_DPARAM32(0) + ((uint64)GET_DPARAM32(1) << 32);
memcpy_overlapping(&_decode_parameters[0], &_decode_parameters[2], sizeof(uint32) * (lengthof(_decode_parameters)-2));
return result;
}
int GetParamInt16()
{
int result = (int16)GET_DPARAM16(0);
memcpy_overlapping(&_decode_parameters[0], &_decode_parameters[1], sizeof(uint32) * (lengthof(_decode_parameters)-1));
return result;
}
int GetParamInt8()
{
int result = (int8)GET_DPARAM8(0);
memcpy_overlapping(&_decode_parameters[0], &_decode_parameters[1], sizeof(uint32) * (lengthof(_decode_parameters)-1));
return result;
}
int GetParamUint16()
{
int result = GET_DPARAM16(0);
memcpy_overlapping(&_decode_parameters[0], &_decode_parameters[1], sizeof(uint32) * (lengthof(_decode_parameters)-1));
return result;
}
static const uint32 _divisor_table[] = {
1000000000,
100000000,
10000000,
1000000,
100000,
10000,
1000,
100,
10,
1
};
static byte *FormatCommaNumber(byte *buff, int32 number)
{
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++ = (byte)('0' + quot);
if (i==0 || i==3 || i==6) *buff++ = ',';
}
}
*buff = 0;
return buff;
}
static byte *FormatNoCommaNumber(byte *buff, int32 number)
{
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++ = (byte)('0' + quot);
}
}
*buff = 0;
return buff;
}
static byte *FormatYmdString(byte *buff, uint16 number)
{
const byte *src;
YearMonthDay ymd;
ConvertDayToYMD(&ymd, number);
for(src = GetStringPtr(ymd.day+STR_01AC_1ST-1); (*buff++=*src++) != 0;) {}
buff[-1] = ' ';
memcpy(buff, GetStringPtr(STR_0162_JAN + ymd.month), 4);
buff[3] = ' ';
return FormatNoCommaNumber(buff+4, ymd.year + 1920);
}
static byte *FormatMonthAndYear(byte *buff, uint16 number)
{
const char *src;
YearMonthDay ymd;
ConvertDayToYMD(&ymd, number);
for(src = GetStringPtr(STR_MONTH_JAN + ymd.month); (*buff++=*src++) != 0;) {}
buff[-1] = ' ';
return FormatNoCommaNumber(buff, ymd.year + 1920);
}
uint GetCurrentCurrencyRate() {
return (&_currency_specs[_opt.currency])->rate;
}
static byte *FormatGenericCurrency(byte *buff, const CurrencySpec *spec, int64 number, bool compact)
{
const char *s;
char c;
char buf[40], *p;
int j;
// multiply by exchange rate
number *= spec->rate;
// convert from negative
if (number < 0) { *buff++ = '-'; number = -number; }
// add pre part
s = spec->pre;
while (s != spec->pre + lengthof(spec->pre) && (c=*s++)) *buff++ = c;
// for huge numbers, compact the number into k or M
if (compact) {
compact = 0;
if (number >= 1000000000) {
number = (number + 500000) / 1000000;
compact = 'M';
} else if (number >= 1000000) {
number = (number + 500) / 1000;
compact = 'k';
}
}
// convert to ascii number and add commas
p = buf;
j = 4;
do {
if (--j == 0) { *p++ = spec->separator; j = 3; }
*p++ = '0' + number % 10;
} while (number /= 10);
do *buff++ = *--p; while (p != buf);
if (compact) *buff++ = compact;
// add post part
s = spec->post;
while (s != spec->post + lengthof(spec->post) && (c=*s++)) *buff++ = c;
return buff;
}
static byte *DecodeString(byte *buff, const byte *str)
{
byte b;
while((b = *str++) != 0) {
switch(b) {
case 0x1: // {SETX}
*buff++ = b;
*buff++ = *str++;
break;
case 0x2: // {SETXY}
*buff++ = b;
*buff++ = *str++;
*buff++ = *str++;
break;
case 0x7B: // {COMMA32}
buff = FormatCommaNumber(buff, GetParamInt32());
break;
case 0x7C: // {COMMA16}
buff = FormatCommaNumber(buff, GetParamInt16());
break;
case 0x7D: // {COMMA8}
buff = FormatCommaNumber(buff, GetParamInt8());
break;
case 0x7E: // {NUMU16}
buff = FormatNoCommaNumber(buff, GetParamInt16());
break;
case 0x7F: // {CURRENCY}
buff = FormatGenericCurrency(buff, &_currency_specs[_opt.currency], GetParamInt32(), false);
break;
// 0x80 is reserved for EURO
case 0x81: // {STRINL}
str += 2;
buff = GetString(buff, READ_LE_UINT16(str-2));
break;
case 0x82: // {DATE_LONG}
buff = FormatYmdString(buff, GetParamUint16());
break;
case 0x83: // {DATE_SHORT}
buff = FormatMonthAndYear(buff, GetParamUint16());
break;
case 0x84: {// {VELOCITY}
int value = GetParamInt16();
if (_opt.kilometers) value = value * 1648 >> 10;
buff = FormatCommaNumber(buff, value);
if (_opt.kilometers) {
memcpy(buff, " km/h", 5);
buff += 5;
} else {
memcpy(buff, " mph", 4);
buff += 4;
}
break;
}
// 0x85 is used as escape character..
case 0x85:
switch(*str++) {
case 0:
buff = FormatGenericCurrency(buff, &_currency_specs[_opt.currency], GetParamInt32(), true);
break;
case 1: // {INT32}
buff = FormatNoCommaNumber(buff, GetParamInt32());
break;
case 2: // {REV}
#ifdef WITH_REV
buff = str_cat(buff, (const byte*)_openttd_revision);
#endif
break;
case 3: { // {SHORTCARGO}
// Layout:
// 8-bit = cargo type
// 16-bit = cargo count
char *s;
uint16 cargo_str = _cargo_string_list[_opt.landscape][(byte)GetParamInt8()];
uint16 multiplier = (cargo_str == STR_LITERS) ? 1000 : 1;
// liquid type of cargo is multiplied by 100 to get correct amount
buff = FormatCommaNumber(buff, GetParamInt16() * multiplier );
s = GetStringPtr(cargo_str);
memcpy(buff++, " ", 1);
while (*s) *buff++ = *s++;
break;
}
default:
error("!invalid escape sequence in string");
}
break;
case 0x86: // {SKIP}
GetParamInt16();
//assert(0);
break;
case 0x87: { // {VOLUME}
char *s;
buff = FormatCommaNumber(buff, GetParamInt16() * 1000);
memcpy(buff++, " ", 1);
s = GetStringPtr(STR_LITERS);
while (*s) *buff++ = *s++;
break;
}
case 0x88: // {STRING}
buff = GetString(buff, (uint16)GetParamUint16());
break;
case 0x99: { // {CARGO}
// Layout now is:
// 8bit - cargo type
// 16-bit - cargo count
int cargo_str = _cargoc.names_long_s[GetParamInt8()];
// Now check if the cargo count is 1, if it is, increase string by 32.
if (GET_DPARAM16(0) != 1) cargo_str += 32;
buff = GetString(buff, cargo_str);
break;
}
case 0x9A: { // {STATION}
Station *st;
InjectDparam(1);
st = DEREF_STATION(GET_DPARAM16(1));
if (!st->xy) { // station doesn't exist anymore
buff = GetString(buff, STR_UNKNOWN_DESTINATION);
break;
}
SET_DPARAM16(0, st->town->townnametype);
SET_DPARAM32(1, st->town->townnameparts);
buff = GetString(buff, st->string_id);
break;
}
case 0x9B: { // {TOWN}
Town *t;
t = DEREF_TOWN(GET_DPARAM16(0));
assert(t->xy);
SET_DPARAM32(0, t->townnameparts);
buff = GetString(buff, t->townnametype);
break;
}
case 0x9C: { // {CURRENCY64}
buff = FormatGenericCurrency(buff, &_currency_specs[_opt.currency], GetParamInt64(), false);
break;
}
case 0x9D: { // {CHECKPOINT}
Checkpoint *cp = &_checkpoints[GET_DPARAM16(0)];
StringID str;
int idx;
if (~cp->town_or_string & 0xC000) {
GetParamInt32(); // skip it
str = cp->town_or_string;
} else {
idx = (cp->town_or_string >> 8) & 0x3F;
if (idx == 0) {
str = STR_CHECKPOINTNAME_CITY;
} else {
InjectDparam(1);
SET_DPARAM16(1, idx + 1);
str = STR_CHECKPOINTNAME_CITY_SERIAL;
}
SET_DPARAM16(0, cp->town_or_string & 0xFF);
}
buff = GetString(buff, str);
} break;
// case 0x88..0x98: // {COLORS}
// case 0xE: // {TINYFONT}
// case 0xF: // {BIGFONT}
// 0x9E is the highest number that is available.
default:
*buff++ = b;
}
}
buff[0] = 0;
return buff;
}
static byte *StationGetSpecialString(byte *buff)
{
int x = GetParamInt8();
if (x & 1) *buff++ = 0xB4;
if (x & 2) *buff++ = 0xB5;
if (x & 4) *buff++ = 0xB6;
if (x & 8) *buff++ = 0xB7;
if (x & 16) *buff++ = 0xB8;
*buff = 0;
return buff;
}
static byte *GetSpecialTownNameString(byte *buff, int ind) {
uint32 x = GetParamInt32();
_town_name_generators[ind](buff, x);
while (*buff != 0) buff++;
return buff;
}
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",
"Grumpy",
"Dozy",
"Speedy",
"Nosey",
"Dribble",
"Mushroom",
"Cabbage",
"Sniffle",
"Fishy",
"Swindle",
"Sneaky",
"Nutkins",
};
static const byte _initial_name_letters[] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'W',
};
static byte *GenAndCoName(byte *buff)
{
uint32 x = GetParamInt32();
uint base,num;
base = 0;
num = 29;
if (_opt.landscape == LT_CANDY) {
base = num;
num = 12;
}
buff = str_cat(buff, _surname_list[base + ((num * (byte)(x >> 16)) >> 8)]);
buff = str_cat(buff, " & Co.");
return buff;
}
static byte *GenPlayerName_4(byte *buff)
{
uint32 x = GetParamInt32();
uint i, base, num;
buff[0] = _initial_name_letters[ (sizeof(_initial_name_letters) * (byte)x) >> 8];
buff[1] = '.';
buff += 2;
i = ((sizeof(_initial_name_letters) + 35) * (byte)(x >> 8)) >> 8;
if (i < sizeof(_initial_name_letters)) {
buff[0] = _initial_name_letters[i];
buff[1] = '.';
buff += 2;
}
base = 0;
num = 29;
if (_opt.landscape == LT_CANDY) {
base = num;
num = 12;
}
buff = str_cat(buff, _surname_list[base + ((num * (byte)(x >> 16)) >> 8)]);
return buff;
}
static const char * const _song_names[] = {
"Tycoon DELUXE Theme",
"Easy Driver",
"Little Red Diesel",
"Cruise Control",
"Don't Walk!",
"Fell Apart On Me",
"City Groove",
"Funk Central",
"Stoke It",
"Road Hog",
"Aliens Ate My Railway",
"Snarl Up",
"Stroll On",
"Can't Get There From Here",
"Sawyer's Tune",
"Hold That Train!",
"Movin' On",
"Goss Groove",
"Small Town",
"Broomer's Oil Rag",
"Jammit",
"Hard Drivin'"
};
static byte *GetSpecialPlayerNameString(byte *buff, int ind)
{
switch(ind) {
// not used
case 1: {
int i = GetParamInt32() & 0xFFFF;
return str_cat(buff, _silly_company_names[i]);
}
case 2: // used for Foobar & Co company names
return GenAndCoName(buff);
case 3: // President name
return GenPlayerName_4(buff);
// song names
case 4: {
const char *song = _song_names[GetParamUint16() - 1];
return str_cat(buff, song);
}
}
// town name?
if (IS_INT_INSIDE(ind-6, 0, SPECSTR_TOWNNAME_LAST-SPECSTR_TOWNNAME_START+1)) {
buff = GetSpecialTownNameString(buff, ind - 6);
return str_cat(buff, " Transport");
}
// language name?
if (IS_INT_INSIDE(ind, (SPECSTR_LANGUAGE_START - 0x70E4), (SPECSTR_LANGUAGE_END - 0x70E4) + 1)) {
int i = ind - (SPECSTR_LANGUAGE_START - 0x70E4);
return str_cat(buff, i == _dynlang.curr ? ((LanguagePackHeader*)_langpack)->own_name : _dynlang.ent[i].name);
}
// resolution size?
if (IS_INT_INSIDE(ind, (SPECSTR_RESOLUTION_START - 0x70E4), (SPECSTR_RESOLUTION_END - 0x70E4) + 1)) {
int i = ind - (SPECSTR_RESOLUTION_START - 0x70E4);
return buff + sprintf(buff, "%dx%d", _resolutions[i][0], _resolutions[i][1]);
}
// 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 str_cat(buff, GetScreenshotFormatDesc(i));
}
assert(0);
return NULL;
}
// remap a string ID from the old format to the new format
StringID RemapOldStringID(StringID s)
{
if (s == 0x7000) s = STR_SV_UNNAMED;
else if (s == 0x0006) s = STR_SV_EMPTY;
else if (s == 0x8864) s = STR_SV_TRAIN_NAME;
else if (s == 0x902B) s = STR_SV_ROADVEH_NAME;
else if (s == 0x9830) s = STR_SV_SHIP_NAME;
else if (s == 0xA02F) s = STR_SV_AIRCRAFT_NAME;
else if (IS_INT_INSIDE(s, 0x300F, 0x3030)) s = s - 0x300F + STR_SV_STNAME;
else if (s == 0x70E4 || s == 0x70E9) s = SPECSTR_PLAYERNAME_ENGLISH;
return s;
}
bool ReadLanguagePack(int lang_index) {
int tot_count, i;
byte *lang_pack;
size_t len;
byte **langpack_offs;
byte *s;
#define HDR ((LanguagePackHeader*)lang_pack)
{
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(LanguagePackHeader) ||
HDR->ident != TO_LE32(LANGUAGE_PACK_IDENT) ||
HDR->version != TO_LE32(LANGUAGE_PACK_VERSION)) {
free(lang_pack);
return false;
}
#undef HDR
#if defined(TTD_BIG_ENDIAN)
for(i=0; i!=32; i++) {
((LanguagePackHeader*)lang_pack)->offsets[i] = READ_LE_UINT16(&((LanguagePackHeader*)lang_pack)->offsets[i]);
}
#endif
tot_count = 0;
for(i=0; i!=32; i++) {
uint num = ((LanguagePackHeader*)lang_pack)->offsets[i];
_langtab_start[i] = tot_count;
_langtab_num[i] = num;
tot_count += num;
}
// Allocate offsets
langpack_offs = (byte**)malloc(tot_count * sizeof(byte*));
// Fill offsets
s = lang_pack + sizeof(LanguagePackHeader);
for(i=0; i!=tot_count; i++) {
len = *s;
*s++ = 0; // zero terminate the string before.
if (len >= 0xC0) { len = ((len & 0x3F) << 8) + *s++; }
langpack_offs[i] = s;
s += len;
}
if (_langpack) free(_langpack);
_langpack = lang_pack;
if (_langpack_offs) 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;
return true;
}
// make a list of the available language packs. put the data in _dynlang struct.
void InitializeLanguagePacks()
{
DynamicLanguages *dl = &_dynlang;
int i, j, n, m,def;
LanguagePackHeader hdr;
FILE *in;
char *files[32];
n = GetLanguageList(files, lengthof(files));
def = 0; // default language file
// go through the language files and make sure that they are valid.
for(i=m=0; i!=n; i++) {
char *s = str_fmt("%s%s", _path.lang_dir, files[i]);
in = fopen(s, "rb");
free(s);
if (!in ||
(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.name, "English")) def = m;
m++;
}
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)) {
def = i;
break;
}
if (!ReadLanguagePack(def))
error("can't read language pack '%s'", dl->ent[def].file);
}
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