# strings_sl.cpp

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    00001 /* $Id$ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "../stdafx.h"
    00013 #include "../string_func.h"
    00014 #include "saveload_internal.h"
    00015
    00016 #include "table/strings.h"
    00017
    00023 StringID RemapOldStringID(StringID s)
    00024 {
    00025   switch (s) {
    00026     case 0x0006: return STR_SV_EMPTY;
    00027     case 0x7000: return STR_SV_UNNAMED;
    00028     case 0x70E4: return SPECSTR_PLAYERNAME_ENGLISH;
    00029     case 0x70E9: return SPECSTR_PLAYERNAME_ENGLISH;
    00030     case 0x8864: return STR_SV_TRAIN_NAME;
    00031     case 0x902B: return STR_SV_ROAD_VEHICLE_NAME;
    00032     case 0x9830: return STR_SV_SHIP_NAME;
    00033     case 0xA02F: return STR_SV_AIRCRAFT_NAME;
    00034
    00035     default:
    00036       if (IsInsideMM(s, 0x300F, 0x3030)) {
    00037         return s - 0x300F + STR_SV_STNAME;
    00038       } else {
    00039         return s;
    00040       }
    00041   }
    00042 }
    00043
    00045 char *_old_name_array = NULL;
    00046
    00054 char *CopyFromOldName(StringID id)
    00055 {
    00056   /* Is this name an (old) custom name? */
    00057   if (GB(id, 11, 5) != 15) return NULL;
    00058
    00059   if (CheckSavegameVersion(37)) {
    00060     /* Old names were 24/32 characters long, so 128 characters should be
    00061      * plenty to allow for expansion when converted to UTF-8. */
    00062     char tmp[128];
    00063     uint offs = _savegame_type == SGT_TTO ? 24 * GB(id, 0, 8) : 32 * GB(id, 0, 9);
    00064     const char *strfrom = &_old_name_array[offs];
    00065     char *strto = tmp;
    00066
    00067     for (; *strfrom != '\0'; strfrom++) {
    00068       WChar c = (byte)*strfrom;
    00069
    00070       /* Map from non-ISO8859-15 characters to UTF-8. */
    00071       switch (c) {
    00072         case 0xA4: c = 0x20AC; break; // Euro
    00073         case 0xA6: c = 0x0160; break; // S with caron
    00074         case 0xA8: c = 0x0161; break; // s with caron
    00075         case 0xB4: c = 0x017D; break; // Z with caron
    00076         case 0xB8: c = 0x017E; break; // z with caron
    00077         case 0xBC: c = 0x0152; break; // OE ligature
    00078         case 0xBD: c = 0x0153; break; // oe ligature
    00079         case 0xBE: c = 0x0178; break; // Y with diaresis
    00080         default: break;
    00081       }
    00082
    00083       /* Check character will fit into our buffer. */
    00084       if (strto + Utf8CharLen(c) > lastof(tmp)) break;
    00085
    00086       strto += Utf8Encode(strto, c);
    00087     }
    00088
    00089     /* Terminate the new string and copy it back to the name array */
    00090     *strto = '\0';
    00091
    00092     return strdup(tmp);
    00093   } else {
    00094     /* Name will already be in UTF-8. */
    00095     return strdup(&_old_name_array[32 * GB(id, 0, 9)]);
    00096   }
    00097 }
    00098
    00103 void ResetOldNames()
    00104 {
    00105   free(_old_name_array);
    00106   _old_name_array = NULL;
    00107 }
    00108
    00112 void InitializeOldNames()
    00113 {
    00114   free(_old_name_array);
    00115   _old_name_array = CallocT<char>(512 * 32); // 200 * 24 would be enough for TTO savegames
    00116 }
    00117
    00118 static void Load_NAME()
    00119 {
    00120   int index;
    00121
    00122   while ((index = SlIterateArray()) != -1) {
    00123     SlArray(&_old_name_array[32 * index], SlGetFieldLength(), SLE_UINT8);
    00124   }
    00125 }
    00126
    00127 extern const ChunkHandler _name_chunk_handlers[] = {
    00128   { 'NAME', NULL, Load_NAME, NULL, CH_ARRAY | CH_LAST},
    00129 };