Mercurial > hg > openttd
changeset 16487:b3050ee750d3 draft
(svn r21211) -Feature: [NewGRF] Allow specifying a "choice list" for cases and genders
author | rubidium <rubidium@openttd.org> |
---|---|
date | Tue, 16 Nov 2010 16:58:19 +0000 |
parents | 5213db8704cd |
children | 35d5a17161bd |
files | src/newgrf_text.cpp src/newgrf_text.h |
diffstat | 2 files changed, 199 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/newgrf_text.cpp +++ b/src/newgrf_text.cpp @@ -25,6 +25,8 @@ #include "string_func.h" #include "date_type.h" #include "debug.h" +#include "core/alloc_type.hpp" +#include "core/smallmap_type.hpp" #include "language.h" #include "table/strings.h" @@ -233,6 +235,150 @@ } /** + * Get the mapping from OpenTTD's internal ID to the NewGRF supplied ID. + * @param openttd_id The OpenTTD ID to map. + * @param gender Whether to map genders or cases. + * @return The, to the NewGRF supplied ID, mapped index, or -1 if there is no mapping. + */ +int LanguageMap::GetReverseMapping(int openttd_id, bool gender) const +{ + const SmallVector<Mapping, 1> &map = gender ? this->gender_map : this->case_map; + for (const Mapping *m = map.Begin(); m != map.End(); m++) { + if (m->openttd_id == openttd_id) return m->newgrf_id; + } + return -1; +} + +/** Helper structure for mapping choice lists. */ +struct UnmappedChoiceList : ZeroedMemoryAllocator { + /** Clean everything up. */ + ~UnmappedChoiceList() + { + for (SmallPair<byte, char *> *p = this->strings.Begin(); p < this->strings.End(); p++) { + free(p->second); + } + } + + /** + * Initialise the mapping. + * @param type The type of mapping. + * @param old_d The old begin of the string, i.e. from where to start writing again. + * @param offset The offset to get the gender from. + */ + UnmappedChoiceList(StringControlCode type, char *old_d, int offset) : + type(type), old_d(old_d), offset(offset) + { + } + + StringControlCode type; ///< The type of choice list. + char *old_d; ///< The old/original location of the "d" local variable. + int offset; ///< The offset for the gender form. + + /** Mapping of NewGRF supplied ID to the different strings in the choice list. */ + SmallMap<byte, char *> strings; + + /** + * Flush this choice list into the old d variable. + * @param lm The current language mapping. + * @return The new location of the output string. + */ + char *Flush(const LanguageMap *lm) + { + if (!this->strings.Contains(0)) { + /* In case of a (broken) NewGRF without a default, + * assume an empty string. */ + grfmsg(1, "choice list misses default value"); + this->strings[0] = strdup(""); + } + + char *d = old_d; + if (lm == NULL) { + NOT_REACHED(); + /* In case there is no mapping, just ignore everything but the default. */ + int len = strlen(this->strings[0]); + memcpy(d, this->strings[0], len); + return d + len; + } + + d += Utf8Encode(d, this->type); + + if (this->type == SCC_SWITCH_CASE) { + /* + * Format for case switch: + * <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT> + * Each LEN is printed using 2 bytes in big endian order. + */ + + /* "<NUM CASES>" */ + int count = 0; + for (uint8 i = 0; i < _current_language->num_cases; i++) { + /* Count the ones we have a mapped string for. */ + if (this->strings.Contains(lm->GetReverseMapping(i, false))) count++; + } + *d++ = count; + + for (uint8 i = 0; i < _current_language->num_cases; i++) { + /* Resolve the string we're looking for. */ + int idx = lm->GetReverseMapping(i, false); + if (!this->strings.Contains(idx)) continue; + char *str = this->strings[idx]; + + /* "<CASEn>" */ + *d++ = i; + + /* "<LENn>" */ + int len = strlen(str); + *d++ = GB(len, 8, 8); + *d++ = GB(len, 0, 8); + + /* "<STRINGn>" */ + memcpy(d, str, len); + d += len; + *d++ = '\0'; + } + + /* "<STRINGDEFAULT>" */ + int len = strlen(this->strings[0]); + memcpy(d, this->strings[0], len); + d += len; + *d++ = '\0'; + } else { + /* + * Format for choice list: + * <OFFSET> <NUM CHOICES> <LENs> <STRINGs> + */ + + /* "<OFFSET>" */ + *d++ = this->offset - 0x80; + + /* "<NUM CHOICES>" */ + int count = _current_language->num_genders; + *d++ = count; + + /* "<LENs>" */ + for (int i = 0; i < count; i++) { + int idx = lm->GetReverseMapping(i, true); + const char *str = this->strings[this->strings.Contains(idx) ? idx : 0]; + int len = strlen(str) + 1; + if (len > 0xFF) grfmsg(1, "choice list string is too long"); + *d++ = len; + } + + /* "<STRINGs>" */ + for (int i = 0; i < count; i++) { + int idx = lm->GetReverseMapping(i, true); + const char *str = this->strings[this->strings.Contains(idx) ? idx : 0]; + int len = strlen(str); + memcpy(d, str, len); + d += len; + *d++ = '\0'; + } + } + return d; + } +}; + +/** * Translate TTDPatch string codes into something OpenTTD can handle (better). * @param grfid The (NewGRF) ID associated with this string * @param language_id The (NewGRF) language ID associated with this string. @@ -248,6 +394,9 @@ WChar c; size_t len = Utf8Decode(&c, str); + /* Helper variable for a possible (string) mapping. */ + UnmappedChoiceList *mapping = NULL; + if (c == NFO_UTF8_IDENTIFIER) { unicode = true; str += len; @@ -362,6 +511,50 @@ break; } + case 0x10: + case 0x11: + if (mapping == NULL) { + if (code == 0x10) str++; // Skip the index + grfmsg(1, "choice list %s marker found when not expected", code == 0x10 ? "next" : "default"); + break; + } else { + /* Terminate the previous string. */ + *d = '\0'; + int index = (code == 0x10 ? *str++ : 0); + if (mapping->strings.Contains(index)) { + grfmsg(1, "duplicate choice list string, ignoring"); + d++; + } else { + d = mapping->strings[index] = MallocT<char>(strlen(str) * 10 + 1); + } + } + break; + + case 0x12: + if (mapping == NULL) { + grfmsg(1, "choice list end marker found when not expected"); + } else { + /* Terminate the previous string. */ + *d = '\0'; + + /* Now we can start flushing everything and clean everything up. */ + d = mapping->Flush(LanguageMap::GetLanguageMap(grfid, language_id)); + delete mapping; + mapping = NULL; + } + break; + + case 0x13: + case 0x14: + if (mapping != NULL) { + grfmsg(1, "choice lists can't be stacked, it's going to get messy now..."); + if (code != 0x14) str++; + } else { + static const StringControlCode mp[] = { SCC_GENDER_LIST, SCC_SWITCH_CASE }; + mapping = new UnmappedChoiceList(mp[code - 0x13], d, code == 0x14 ? 0 : *str++); + } + break; + default: grfmsg(1, "missing handler for extended format code"); break; @@ -392,6 +585,11 @@ } } + if (mapping != NULL) { + grfmsg(1, "choice list was incomplete, the whole list is ignored"); + delete mapping; + } + *d = '\0'; if (olen != NULL) *olen = d - tmp + 1; tmp = ReallocT(tmp, d - tmp + 1);
--- a/src/newgrf_text.h +++ b/src/newgrf_text.h @@ -61,6 +61,7 @@ SmallVector<Mapping, 1> case_map; ///< Mapping of NewGRF and OpenTTD IDs for cases. int GetMapping(int newgrf_id, bool gender) const; + int GetReverseMapping(int openttd_id, bool gender) const; static const LanguageMap *GetLanguageMap(uint32 grfid, uint8 language_id); };