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Location: cpp/openttd-patchpack/source/newgrf_text.c - annotation
r4962:2ff3f433591e
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text/x-c
(svn r6961) -Codechange: Remove relic from r212 WWT_NODISTXTBTN which was originally used to not
to allow clicking if a button was disabled. This has been superseded in r212 with
general code that doesn't allow any click events for disabled buttons.
to allow clicking if a button was disabled. This has been superseded in r212 with
general code that doesn't allow any click events for disabled buttons.
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r3601:85f189a0e58b r3601:85f189a0e58b r3601:85f189a0e58b r3601:85f189a0e58b r3601:85f189a0e58b r3601:85f189a0e58b r3601:85f189a0e58b r3601:85f189a0e58b r3602:9970c65af58a r3601:85f189a0e58b r3601:85f189a0e58b r3601:85f189a0e58b r3601:85f189a0e58b r3601:85f189a0e58b r3602:9970c65af58a r3602:9970c65af58a r3602:9970c65af58a r3602:9970c65af58a r3602:9970c65af58a r3602:9970c65af58a r3602:9970c65af58a r3602:9970c65af58a r3602:9970c65af58a r3602:9970c65af58a r3602:9970c65af58a r3601:85f189a0e58b r3602:9970c65af58a r3601:85f189a0e58b | /* $Id$ */
/** @file
* Implementation of Action 04 "universal holder" structure and functions.
* This file implements a linked-lists of strings,
* holding everything that the newgrf action 04 will send over to OpenTTD.
* One of the biggest problems is that Dynamic lang Array uses ISO codes
* as way to identifying current user lang, while newgrf uses bit shift codes
* not related to ISO. So equivalence functionnality had to be set.
*/
#include "stdafx.h"
#include "debug.h"
#include "openttd.h"
#include "string.h"
#include "strings.h"
#include "variables.h"
#include "macros.h"
#include "table/strings.h"
#include "newgrf_text.h"
#define GRFTAB 28
#define TABSIZE 11
/**
* Explains the newgrf shift bit positionning.
* the grf base will not be used in order to find the string, but rather for
* jumping from standard langID scheme to the new one.
*/
typedef enum grf_base_languages {
GRFLB_AMERICAN = 0x01,
GRFLB_ENGLISH = 0x02,
GRFLB_GERMAN = 0x04,
GRFLB_FRENCH = 0x08,
GRFLB_SPANISH = 0x10,
GRFLB_GENERIC = 0x80,
} grf_base_language;
typedef enum grf_extended_languages {
GRFLX_AMERICAN = 0x00,
GRFLX_ENGLISH = 0x01,
GRFLX_GERMAN = 0x02,
GRFLX_FRENCH = 0x03,
GRFLX_SPANISH = 0x04,
GRFLX_RUSSIAN = 0x07,
GRFLX_CZECH = 0x15,
GRFLX_SLOVAK = 0x16,
GRFLX_AFRIKAANS = 0x1B,
GRFLX_GREEK = 0x1E,
GRFLX_DUTCH = 0x1F,
GRFLX_CATALAN = 0x22,
GRFLX_HUNGARIAN = 0x24,
GRFLX_ITALIAN = 0x27,
GRFLX_ROMANIAN = 0x28,
GRFLX_ICELANDIC = 0x29,
GRFLX_LATVIAN = 0x2A,
GRFLX_LITHUANIAN = 0x2B,
GRFLX_SLOVENIAN = 0x2C,
GRFLX_DANISH = 0x2D,
GRFLX_SWEDISH = 0x2E,
GRFLX_NORWEGIAN = 0x2F,
GRFLX_POLISH = 0x30,
GRFLX_GALICIAN = 0x31,
GRFLX_FRISIAN = 0x32,
GRFLX_UKRAINIAN = 0x33,
GRFLX_ESTONIAN = 0x34,
GRFLX_FINNISH = 0x35,
GRFLX_PORTUGUESE = 0x36,
GRFLX_BRAZILIAN = 0x37,
GRFLX_CROATIAN = 0x38,
GRFLX_TURKISH = 0x3E,
GRFLX_UNSPECIFIED = 0x7F,
} grf_language;
typedef struct iso_grf {
char code[6];
byte grfLangID;
} iso_grf;
/**
* ISO code VS NewGrf langID conversion array.
* This array is used in two ways:
* 1-its ISO part is matching OpenTTD dynamic language id
* with newgrf bit positionning language id
* 2-its shift part is used to know what is the shift to
* watch for when inserting new strings, hence analysing newgrf langid
*/
const iso_grf iso_codes[] = {
{"en_US", GRFLX_AMERICAN},
{"en_GB", GRFLX_ENGLISH},
{"de_DE", GRFLX_GERMAN},
{"fr_FR", GRFLX_FRENCH},
{"es_ES", GRFLX_SPANISH},
{"af_ZA", GRFLX_AFRIKAANS},
{"hr_HR", GRFLX_CROATIAN},
{"cs_CS", GRFLX_CZECH},
{"ca_ES", GRFLX_CATALAN},
{"da_DA", GRFLX_DANISH},
{"nl_NL", GRFLX_DUTCH},
{"et_ET", GRFLX_ESTONIAN},
{"fi_FI", GRFLX_FINNISH},
{"fy_NL", GRFLX_FRISIAN},
{"gl_ES", GRFLX_GALICIAN},
{"el_GR", GRFLX_GREEK},
{"hu_HU", GRFLX_HUNGARIAN},
{"is_IS", GRFLX_ICELANDIC},
{"it_IT", GRFLX_ITALIAN},
{"lv_LV", GRFLX_LATVIAN},
{"lt_LT", GRFLX_LITHUANIAN},
{"nb_NO", GRFLX_NORWEGIAN},
{"pl_PL", GRFLX_POLISH},
{"pt_PT", GRFLX_PORTUGUESE},
{"pt_BR", GRFLX_BRAZILIAN},
{"ro_RO", GRFLX_ROMANIAN},
{"ru_RU", GRFLX_RUSSIAN},
{"sk_SK", GRFLX_SLOVAK},
{"sl_SL", GRFLX_SLOVENIAN},
{"sv_SE", GRFLX_SWEDISH},
{"tr_TR", GRFLX_TURKISH},
{"uk_UA", GRFLX_UKRAINIAN},
{"gen", GRFLB_GENERIC} //this is not iso code, but there has to be something...
};
/**
* Element of the linked list.
* Each of those elements represent the string,
* but according to a different lang.
*/
typedef struct GRFText {
struct GRFText *next;
byte langid;
char text[VARARRAY_SIZE];
} GRFText;
/**
* Holder of the above structure.
* Putting both grfid and stringid together allows us to avoid duplicates,
* since it is NOT SUPPOSED to happen.
*/
typedef struct GRFTextEntry {
uint32 grfid;
uint16 stringid;
StringID def_string;
GRFText *textholder;
} GRFTextEntry;
static uint _num_grf_texts = 0;
static GRFTextEntry _grf_text[(1 << TABSIZE) * 3];
static byte _currentLangID = GRFLX_ENGLISH; //by default, english is used.
static void TranslateTTDPatchCodes(char *str)
{
char *c;
for (c = str; *c != '\0'; c++) {
switch ((byte)*c) {
case 0x01: c++; break;
case 0x0D: *c = 10; break;
case 0x0E: *c = 8; break;
case 0x0F: *c = 9; break;
case 0x1F: *c = 2; c += 2; break;
case 0x7B:
case 0x7C:
case 0x7D:
case 0x7E: *c = 0x8E; break;
case 0x81: c += 2; break;
case 0x85: *c = 0x86; break;
case 0x88: *c = 15; break;
case 0x89: *c = 16; break;
case 0x8A: *c = 17; break;
case 0x8B: *c = 18; break;
case 0x8C: *c = 19; break;
case 0x8D: *c = 20; break;
case 0x8E: *c = 21; break;
case 0x8F: *c = 22; break;
case 0x90: *c = 23; break;
case 0x91: *c = 24; break;
case 0x92: *c = 25; break;
case 0x93: *c = 26; break;
case 0x94: *c = 27; break;
case 0x95: *c = 28; break;
case 0x96: *c = 29; break;
case 0x97: *c = 30; break;
case 0x98: *c = 31; break;
default:
/* Validate any unhandled character */
if (!IsValidAsciiChar(*c, CS_ALPHANUMERAL)) *c = '?';
break;
}
}
}
/**
* Add the new read string into our structure.
*/
StringID AddGRFString(uint32 grfid, uint16 stringid, byte langid_to_add, bool new_scheme, const char *text_to_add, StringID def_string)
{
GRFText *newtext;
uint id;
/* When working with the old language scheme (grf_version is less than 7) and
* English or American is among the set bits, simply add it as English in
* the new scheme, i.e. as langid = 1.
* If English is set, it is pretty safe to assume the translations are not
* actually translated.
*/
if (!new_scheme) {
if (HASBITS(langid_to_add, GRFLB_AMERICAN | GRFLB_ENGLISH)) {
langid_to_add = GRFLX_ENGLISH;
} else {
StringID ret = STR_EMPTY;
if (langid_to_add & GRFLB_GERMAN) ret = AddGRFString(grfid, stringid, 1 << 6 | GRFLX_GERMAN, true, text_to_add, def_string);
if (langid_to_add & GRFLB_FRENCH) ret = AddGRFString(grfid, stringid, 1 << 6 | GRFLX_FRENCH, true, text_to_add, def_string);
if (langid_to_add & GRFLB_SPANISH) ret = AddGRFString(grfid, stringid, 1 << 6 | GRFLX_SPANISH, true, text_to_add, def_string);
return ret;
}
}
for (id = 0; id < _num_grf_texts; id++) {
if (_grf_text[id].grfid == grfid && _grf_text[id].stringid == stringid) {
break;
}
}
/* Too many strings allocated, return empty */
if (id == lengthof(_grf_text)) return STR_EMPTY;
newtext = malloc(sizeof(*newtext) + strlen(text_to_add) + 1);
newtext->next = NULL;
newtext->langid = GB(langid_to_add, 0, 6);
strcpy(newtext->text, text_to_add);
TranslateTTDPatchCodes(newtext->text);
/* If we didn't find our stringid and grfid in the list, allocate a new id */
if (id == _num_grf_texts) _num_grf_texts++;
if (_grf_text[id].textholder == NULL) {
_grf_text[id].grfid = grfid;
_grf_text[id].stringid = stringid;
_grf_text[id].def_string = def_string;
_grf_text[id].textholder = newtext;
} else {
GRFText **ptext, *text;
bool replaced = false;
/* Loop through all languages and see if we can replace a string */
for (ptext = &_grf_text[id].textholder; (text = *ptext) != NULL; ptext = &text->next) {
if (text->langid != GB(langid_to_add, 0, 6)) continue;
newtext->next = text->next;
*ptext = newtext;
free(text);
replaced = true;
break;
}
/* If a string wasn't replaced, then we must append the new string */
if (!replaced) *ptext = newtext;
}
DEBUG(grf, 2)("Added 0x%X: grfid 0x%X string 0x%X lang 0x%X string %s", id, grfid, stringid, newtext->langid, newtext->text);
return (GRFTAB << TABSIZE) + id;
}
/* Used to remember the grfid that the last retrieved string came from */
static uint32 _last_grfid = 0;
/**
* Returns the index for this stringid associated with its grfID
*/
StringID GetGRFStringID(uint32 grfid, uint16 stringid)
{
uint id;
/* grfid is zero when we're being called via an include */
if (grfid == 0) grfid = _last_grfid;
for (id = 0; id < _num_grf_texts; id++) {
if (_grf_text[id].grfid == grfid && _grf_text[id].stringid == stringid) {
return (GRFTAB << TABSIZE) + id;
}
}
return STR_UNDEFINED;
}
char *GetGRFString(char *buff, uint16 stringid, const char* last)
{
const GRFText *default_text = NULL;
const GRFText *search_text;
assert(_grf_text[stringid].grfid != 0);
/* Remember this grfid in case the string has included text */
_last_grfid = _grf_text[stringid].grfid;
/*Search the list of lang-strings of this stringid for current lang */
for (search_text = _grf_text[stringid].textholder; search_text != NULL; search_text = search_text->next) {
if (search_text->langid == _currentLangID) {
return strecpy(buff, search_text->text, last);
}
/* If the current string is English or American, set it as the
* fallback language if the specific language isn't available. */
if (search_text->langid == GRFLX_ENGLISH || search_text->langid == GRFLX_AMERICAN) {
default_text = search_text;
}
}
/* If there is a fallback string, return that */
if (default_text != NULL) return strecpy(buff, default_text->text, last);
/* Use the default string ID if the fallback string isn't available */
return GetString(buff, _grf_text[stringid].def_string, last);
}
/**
* Equivalence Setter function between game and newgrf langID.
* This function will adjust _currentLangID as to what is the LangID
* of the current language set by the user.
* The array iso_codes will be used to find that match.
* If not found, it will have to be standard english
* This function is called after the user changed language,
* from strings.c:ReadLanguagePack
* @param iso code of current selection
*/
void SetCurrentGrfLangID(const char *iso_name)
{
/* Use English by default, if we can't match up the iso_code. */
byte ret = GRFLX_ENGLISH;
byte i;
for (i=0; i < lengthof(iso_codes); i++) {
if (strncmp(iso_codes[i].code, iso_name, strlen(iso_codes[i].code)) == 0) {
/* We found a match, so let's use it. */
ret = i;
break;
}
}
_currentLangID = ret;
}
/**
* House cleaning.
* Remove all strings and reset the text counter.
*/
void CleanUpStrings(void)
{
uint id;
for (id = 0; id < _num_grf_texts; id++) {
GRFText *grftext = _grf_text[id].textholder;
while (grftext != NULL) {
GRFText *grftext2 = grftext->next;
free(grftext);
grftext = grftext2;
}
_grf_text[id].grfid = 0;
_grf_text[id].stringid = 0;
_grf_text[id].textholder = NULL;
}
_num_grf_texts = 0;
}
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