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Location: cpp/openttd-patchpack/source/src/strings.cpp
r6722:b6eb38b08e9f
36.8 KiB
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(svn r9954) -Fix [FS#811]: trolley AI crashed when trying to determine what the roadbits are.
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/** @file strings.cpp */
#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/control_codes.h"
#include "music.h"
#include "date.h"
#include "industry.h"
#include "helpers.hpp"
#include "cargotype.h"
#include "group.h"
#include "debug.h"
/* for opendir/readdir/closedir */
# include "fios.h"
DynamicLanguages _dynlang;
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);
struct LanguagePack {
uint32 ident; // 32-bits identifier
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]; // list of strings
};
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
/** 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.
* @param buffr
* @param string
* @param argv
* @param last
* @return a formatted string of char
*/
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;
case 15:
/* User defined name */
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);
}
char *InlineString(char *buf, StringID string)
{
buf += Utf8Encode(buf, SCC_STRING_ID);
buf += Utf8Encode(buf, string);
return buf;
}
/**
* This function takes a C-string and allocates a temporary string ID.
* The StringID of the bound string is valid until BindCString is called
* another NUM_BOUND_STRINGS times. So be careful when using it.
* @param str temp string to add
* @return the id of that temp string
* @note formatting a DATE_TINY calls BindCString twice, thus reduces the
* amount of 'user' bound strings by 2.
* @todo rewrite the BindCString system to make the limit flexible and
* non-round-robin. For example by using smart pointers that free
* the allocated StringID when they go out-of-scope/are freed.
*/
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.
* @param n slot of the string
* @param str string to bind
*/
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);
int32 args[3] = { ymd.day + STR_01AC_1ST - 1, STR_0162_JAN + ymd.month, ymd.year };
return FormatString(buff, GetStringPtr(STR_DATE_LONG), args, 0, last);
}
static char *FormatMonthAndYear(char *buff, Date date, const char* last)
{
YearMonthDay ymd;
ConvertDateToYMD(date, &ymd);
int32 args[2] = { STR_MONTH_JAN + ymd.month, ymd.year };
return FormatString(buff, GetStringPtr(STR_DATE_SHORT), args, 0, last);
}
static char *FormatTinyDate(char *buff, Date date, const char* last)
{
YearMonthDay ymd;
ConvertDateToYMD(date, &ymd);
char day[3];
char month[3];
/* We want to zero-pad the days and months */
snprintf(day, lengthof(day), "%02i", ymd.day);
snprintf(month, lengthof(month), "%02i", ymd.month + 1);
int32 args[3] = { BindCString(day), BindCString(month), ymd.year };
return FormatString(buff, GetStringPtr(STR_DATE_TINY), args, 0, last);
}
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;
}
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
};
/* Unit conversions */
static const Units units[] = {
{ // Imperial (Original, mph, hp, metric ton, litre, kN)
1, 0, 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,
1, 0, STR_UNITS_FORCE_SI,
},
{ // Metric (km/h, hp, metric ton, litre, kN)
103, 6, 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,
1, 0, STR_UNITS_FORCE_SI,
},
{ // SI (m/s, kilowatt, kilogram, cubic metres, kilonewton)
1831, 12, 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[];
WChar b;
const int32 *argv_orig = argv;
uint modifier = 0;
while ((b = Utf8Consume(&str)) != '\0') {
switch (b) {
case SCC_SETX: // {SETX}
if (buff + Utf8CharLen(SCC_SETX) + 1 < last) {
buff += Utf8Encode(buff, SCC_SETX);
*buff++ = *str++;
}
break;
case SCC_SETXY: // {SETXY}
if (buff + Utf8CharLen(SCC_SETXY) + 2 < last) {
buff += Utf8Encode(buff, SCC_SETXY);
*buff++ = *str++;
*buff++ = *str++;
}
break;
case SCC_STRING_ID: // {STRINL}
buff = GetStringWithArgs(buff, Utf8Consume(&str), argv, last);
break;
case SCC_DATE_LONG: // {DATE_LONG}
buff = FormatYmdString(buff, GetInt32(&argv), last);
break;
case SCC_DATE_SHORT: // {DATE_SHORT}
buff = FormatMonthAndYear(buff, GetInt32(&argv), last);
break;
case SCC_VELOCITY: {// {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;
}
case SCC_CURRENCY_COMPACT: /* {CURRCOMPACT} */
buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), true, last);
break;
case SCC_REVISION: /* {REV} */
buff = strecpy(buff, _openttd_revision, last);
break;
case SCC_CARGO_SHORT: { /* {SHORTCARGO} */
/* Short description of cargotypes. Layout:
* 8-bit = cargo type
* 16-bit = cargo count */
StringID cargo_str = GetCargo(GetInt32(&argv))->units_volume;
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:
if (cargo_str >= 0xE000 && cargo_str < 0xF800) {
/* NewGRF strings from Action 4 use a different format here,
* of e.g. "x tonnes of coal", so process accordingly. */
buff = GetStringWithArgs(buff, cargo_str, argv++, last);
} else {
buff = FormatCommaNumber(buff, GetInt32(&argv), last);
buff = strecpy(buff, " ", last);
buff = strecpy(buff, GetStringPtr(cargo_str), last);
}
break;
}
} break;
case SCC_CURRENCY_COMPACT_64: { /* {CURRCOMPACT64} */
/* 64 bit compact currency-unit */
buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), true, last);
break;
}
case SCC_STRING1: { /* {STRING1} */
/* String that consumes ONE argument */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 1), last);
modifier = 0;
break;
}
case SCC_STRING2: { /* {STRING2} */
/* String that consumes TWO arguments */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 2), last);
modifier = 0;
break;
}
case SCC_STRING3: { /* {STRING3} */
/* String that consumes THREE arguments */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 3), last);
modifier = 0;
break;
}
case SCC_STRING4: { /* {STRING4} */
/* String that consumes FOUR arguments */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 4), last);
modifier = 0;
break;
}
case SCC_STRING5: { /* {STRING5} */
/* String that consumes FIVE arguments */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 5), last);
modifier = 0;
break;
}
case SCC_STATION_FEATURES: { /* {STATIONFEATURES} */
buff = StationGetSpecialString(buff, GetInt32(&argv), last);
break;
}
case SCC_INDUSTRY_NAME: { /* {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] = GetIndustrySpec(i->type)->name;
buff = FormatString(buff, GetStringPtr(STR_INDUSTRY_FORMAT), args, modifier >> 24, last);
modifier = 0;
break;
}
case SCC_VOLUME: { // {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 SCC_GENDER_LIST: { // {G 0 Der Die Das}
const char* s = GetStringPtr(argv_orig[(byte)*str++]); // contains the string that determines gender.
int len;
int gender = 0;
if (s != NULL && Utf8Consume(&s) == SCC_GENDER_INDEX) gender = (byte)s[0];
str = ParseStringChoice(str, gender, buff, &len);
buff += len;
break;
}
case SCC_DATE_TINY: { // {DATE_TINY}
buff = FormatTinyDate(buff, GetInt32(&argv), last);
break;
}
case SCC_CARGO: { // {CARGO}
/* Layout now is:
* 8bit - cargo type
* 16-bit - cargo count */
CargoID cargo = GetInt32(&argv);
StringID cargo_str = (cargo == CT_INVALID) ? (StringID)STR_8838_N_A : GetCargo(cargo)->quantifier;
buff = GetStringWithArgs(buff, cargo_str, argv++, last);
break;
}
case SCC_POWER: { // {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 SCC_VOLUME_SHORT: { // {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 SCC_WEIGHT: { // {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 SCC_WEIGHT_SHORT: { // {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 SCC_FORCE: { // {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;
}
case SCC_SKIP: // {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 SCC_GENDER_INDEX: // {GENDER 0}
str++;
break;
case SCC_STRING: {// {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 SCC_COMMA: // {COMMA}
buff = FormatCommaNumber(buff, GetInt32(&argv), last);
break;
case SCC_ARG_INDEX: // Move argument pointer
argv = argv_orig + (byte)*str++;
break;
case SCC_PLURAL_LIST: { // {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 SCC_NUM: // {NUM}
buff = FormatNoCommaNumber(buff, GetInt32(&argv), last);
break;
case SCC_CURRENCY: // {CURRENCY}
buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), false, last);
break;
case SCC_WAYPOINT_NAME: { // {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 SCC_STATION_NAME: { // {STATION}
const Station* st = GetStation(GetInt32(&argv));
if (!st->IsValid()) { // 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 SCC_TOWN_NAME: { // {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 SCC_GROUP_NAME: { // {GROUP}
const Group *g = GetGroup(GetInt32(&argv));
int32 args[1];
assert(IsValidGroup(g));
args[0] = g->index;
buff = GetStringWithArgs(buff, (g->string_id == STR_SV_GROUP_NAME) ? (StringID)STR_GROUP_NAME_FORMAT : g->string_id, args, last);
break;
}
case SCC_CURRENCY_64: { // {CURRENCY64}
buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), false, last);
break;
}
case SCC_SETCASE: { // {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 SCC_SWITCH_CASE: { // {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 + Utf8CharLen(b) < last) buff += Utf8Encode(buff, b);
break;
}
}
*buff = '\0';
return buff;
}
static char *StationGetSpecialString(char *buff, int x, const char* last)
{
if ((x & 0x01) && (buff + Utf8CharLen(SCC_TRAIN) < last)) buff += Utf8Encode(buff, SCC_TRAIN);
if ((x & 0x02) && (buff + Utf8CharLen(SCC_LORRY) < last)) buff += Utf8Encode(buff, SCC_LORRY);
if ((x & 0x04) && (buff + Utf8CharLen(SCC_BUS) < last)) buff += Utf8Encode(buff, SCC_BUS);
if ((x & 0x08) && (buff + Utf8CharLen(SCC_PLANE) < last)) buff += Utf8Encode(buff, SCC_PLANE);
if ((x & 0x10) && (buff + Utf8CharLen(SCC_SHIP) < last)) buff += Utf8Encode(buff, SCC_SHIP);
*buff = '\0';
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_TOYLAND) {
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_TOYLAND) {
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
* @param s StringID that requires remapping
* @return translated ID*/
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;
size_t len;
char **langpack_offs;
char *s;
LanguagePack *lang_pack = (LanguagePack*)ReadFileToMem(_dynlang.ent[lang_index].file, &len, 200000);
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 = MallocT<char*>(tot_count);
/* 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;
const char *c_file = strrchr(_dynlang.ent[lang_index].file, PATHSEPCHAR) + 1;
ttd_strlcpy(_dynlang.curr_file, c_file, lengthof(_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 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)
{
const Language *cmp1 = (const Language*)a;
const Language *cmp2 = (const Language*)b;
return strcmp(cmp1->file, cmp2->file);
}
/**
* Checks whether the given language is already found.
* @param langs languages we've found so fa
* @param max the length of the language list
* @param language name of the language to check
* @return true if and only if a language file with the same name has not been found
*/
static bool UniqueLanguageFile(const Language *langs, uint max, const char *language)
{
for (uint i = 0; i < max; i++) {
const char *f_name = strrchr(langs[i].file, PATHSEPCHAR) + 1;
if (strcmp(f_name, language) == 0) return false; // duplicates
}
return true;
}
/**
* Reads the language file header and checks compatability.
* @param file the file to read
* @param hdr the place to write the header information to
* @return true if and only if the language file is of a compatible version
*/
static bool GetLanguageFileHeader(const char *file, LanguagePack *hdr)
{
FILE *f = fopen(file, "rb");
if (f == NULL) return false;
size_t read = fread(hdr, sizeof(*hdr), 1, f);
fclose(f);
return read == 1 &&
hdr->ident == TO_LE32(LANGUAGE_PACK_IDENT) &&
hdr->version == TO_LE32(LANGUAGE_PACK_VERSION);
}
/**
* Gets a list of languages from the given directory.
* @param langs the list to write to
* @param start the initial offset in the list
* @param max the length of the language list
* @param path the base directory to search in
* @return the number of added languages
*/
static int GetLanguageList(Language *langs, int start, int max, const char *path)
{
int i = start;
DIR *dir = ttd_opendir(path);
if (dir != NULL) {
struct dirent *dirent;
while ((dirent = readdir(dir)) != NULL && i < max) {
const char *d_name = FS2OTTD(dirent->d_name);
const char *extension = strrchr(d_name, '.');
/* Not a language file */
if (extension == NULL || strcmp(extension, ".lng") != 0) continue;
/* Filter any duplicate language-files, first-come first-serve */
if (!UniqueLanguageFile(langs, i, d_name)) continue;
langs[i].file = str_fmt("%s%s", path, d_name);
/* Check whether the file is of the correct version */
LanguagePack hdr;
if (!GetLanguageFileHeader(langs[i].file, &hdr)) {
free(langs[i].file);
continue;
}
i++;
}
closedir(dir);
}
return i - start;
}
/**
* Make a list of the available language packs. put the data in
* _dynlang struct.
*/
void InitializeLanguagePacks()
{
Language files[MAX_LANG];
uint language_count = GetLanguageList(files, 0, lengthof(files), _paths.lang_dir);
if (language_count == 0) error("No available language packs (invalid versions?)");
/* Sort the language names alphabetically */
qsort(files, language_count, sizeof(Language), LanguageCompareFunc);
/* Acquire the locale of the current system */
const char *lang = GetCurrentLocale("LC_MESSAGES");
if (lang == NULL) lang = "en_GB";
int chosen_language = -1; ///< Matching the language in the configuartion file or the current locale
int language_fallback = -1; ///< Using pt_PT for pt_BR locale when pt_BR is not available
int en_GB_fallback = 0; ///< Fallback when no locale-matching language has been found
DynamicLanguages *dl = &_dynlang;
dl->num = 0;
/* Fill the dynamic languages structures */
for (uint i = 0; i < language_count; i++) {
/* File read the language header */
LanguagePack hdr;
if (!GetLanguageFileHeader(files[i].file, &hdr)) continue;
dl->ent[dl->num].file = files[i].file;
dl->ent[dl->num].name = strdup(hdr.name);
dl->dropdown[dl->num] = SPECSTR_LANGUAGE_START + dl->num;
/* We are trying to find a default language. The priority is by
* configuration file, local environment and last, if nothing found,
* english. If def equals -1, we have not picked a default language */
const char *lang_file = strrchr(dl->ent[dl->num].file, PATHSEPCHAR) + 1;
if (strcmp(lang_file, dl->curr_file) == 0) chosen_language = dl->num;
if (chosen_language == -1) {
if (strcmp (hdr.isocode, "en_GB") == 0) en_GB_fallback = dl->num;
if (strncmp(hdr.isocode, lang, 5) == 0) chosen_language = dl->num;
if (strncmp(hdr.isocode, lang, 2) == 0) language_fallback = dl->num;
}
dl->num++;
}
/* Terminate the dropdown list */
dl->dropdown[dl->num] = INVALID_STRING_ID;
if (dl->num == 0) error("Invalid version of language packs");
/* We haven't found the language in the config nor the one in the locale.
* Now we set it to one of the fallback languages */
if (chosen_language == -1) {
chosen_language = (language_fallback != -1) ? language_fallback : en_GB_fallback;
}
if (!ReadLanguagePack(chosen_language)) error("Can't read language pack '%s'", dl->ent[chosen_language].file);
}
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