# settings.cpp

Go to the documentation of this file.

    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
    00026 #include "stdafx.h"
    00027 #include "currency.h"
    00028 #include "screenshot.h"
    00029 #include "network/network.h"
    00030 #include "network/network_func.h"
    00031 #include "settings_internal.h"
    00032 #include "command_func.h"
    00033 #include "console_func.h"
    00034 #include "pathfinder/pathfinder_type.h"
    00035 #include "genworld.h"
    00036 #include "train.h"
    00037 #include "news_func.h"
    00038 #include "window_func.h"
    00039 #include "sound_func.h"
    00040 #include "company_func.h"
    00041 #include "rev.h"
    00042 #ifdef WITH_FREETYPE
    00043 #include "fontcache.h"
    00044 #endif
    00045 #include "textbuf_gui.h"
    00046 #include "rail_gui.h"
    00047 #include "elrail_func.h"
    00048 #include "error.h"
    00049 #include "town.h"
    00050 #include "video/video_driver.hpp"
    00051 #include "sound/sound_driver.hpp"
    00052 #include "music/music_driver.hpp"
    00053 #include "blitter/factory.hpp"
    00054 #include "base_media_base.h"
    00055 #include "gamelog.h"
    00056 #include "settings_func.h"
    00057 #include "ini_type.h"
    00058 #include "ai/ai_config.hpp"
    00059 #include "ai/ai.hpp"
    00060 #include "game/game_config.hpp"
    00061 #include "game/game.hpp"
    00062 #include "ship.h"
    00063 #include "smallmap_gui.h"
    00064 #include "roadveh.h"
    00065 #include "fios.h"
    00066 #include "strings_func.h"
    00067
    00068 #include "void_map.h"
    00069 #include "station_base.h"
    00070
    00071 #include "table/strings.h"
    00072 #include "table/settings.h"
    00073
    00074 ClientSettings _settings_client;
    00075 GameSettings _settings_game;
    00076 GameSettings _settings_newgame;
    00077 VehicleDefaultSettings _old_vds;
    00078 char *_config_file;
    00079
    00080 typedef std::list<ErrorMessageData> ErrorList;
    00081 static ErrorList _settings_error_list;
    00082
    00083
    00084 typedef void SettingDescProc(IniFile *ini, const SettingDesc *desc, const char *grpname, void *object);
    00085 typedef void SettingDescProcList(IniFile *ini, const char *grpname, StringList *list);
    00086
    00087 static bool IsSignedVarMemType(VarType vt);
    00088
    00092 static const char * const _list_group_names[] = {
    00093   "bans",
    00094   "newgrf",
    00095   "servers",
    00096   "server_bind_addresses",
    00097   NULL
    00098 };
    00099
    00107 static size_t LookupOneOfMany(const char *many, const char *one, size_t onelen = 0)
    00108 {
    00109   const char *s;
    00110   size_t idx;
    00111
    00112   if (onelen == 0) onelen = strlen(one);
    00113
    00114   /* check if it's an integer */
    00115   if (*one >= '0' && *one <= '9') return strtoul(one, NULL, 0);
    00116
    00117   idx = 0;
    00118   for (;;) {
    00119     /* find end of item */
    00120     s = many;
    00121     while (*s != '|' && *s != 0) s++;
    00122     if ((size_t)(s - many) == onelen && !memcmp(one, many, onelen)) return idx;
    00123     if (*s == 0) return (size_t)-1;
    00124     many = s + 1;
    00125     idx++;
    00126   }
    00127 }
    00128
    00136 static size_t LookupManyOfMany(const char *many, const char *str)
    00137 {
    00138   const char *s;
    00139   size_t r;
    00140   size_t res = 0;
    00141
    00142   for (;;) {
    00143     /* skip "whitespace" */
    00144     while (*str == ' ' || *str == '\t' || *str == '|') str++;
    00145     if (*str == 0) break;
    00146
    00147     s = str;
    00148     while (*s != 0 && *s != ' ' && *s != '\t' && *s != '|') s++;
    00149
    00150     r = LookupOneOfMany(many, str, s - str);
    00151     if (r == (size_t)-1) return r;
    00152
    00153     SetBit(res, (uint8)r); // value found, set it
    00154     if (*s == 0) break;
    00155     str = s + 1;
    00156   }
    00157   return res;
    00158 }
    00159
    00168 static int ParseIntList(const char *p, int *items, int maxitems)
    00169 {
    00170   int n = 0; // number of items read so far
    00171   bool comma = false; // do we accept comma?
    00172
    00173   while (*p != '\0') {
    00174     switch (*p) {
    00175       case ',':
    00176         /* Do not accept multiple commas between numbers */
    00177         if (!comma) return -1;
    00178         comma = false;
    00179         /* FALL THROUGH */
    00180       case ' ':
    00181         p++;
    00182         break;
    00183
    00184       default: {
    00185         if (n == maxitems) return -1; // we don't accept that many numbers
    00186         char *end;
    00187         long v = strtol(p, &end, 0);
    00188         if (p == end) return -1; // invalid character (not a number)
    00189         if (sizeof(int) < sizeof(long)) v = ClampToI32(v);
    00190         items[n++] = v;
    00191         p = end; // first non-number
    00192         comma = true; // we accept comma now
    00193         break;
    00194       }
    00195     }
    00196   }
    00197
    00198   /* If we have read comma but no number after it, fail.
    00199    * We have read comma when (n != 0) and comma is not allowed */
    00200   if (n != 0 && !comma) return -1;
    00201
    00202   return n;
    00203 }
    00204
    00213 static bool LoadIntList(const char *str, void *array, int nelems, VarType type)
    00214 {
    00215   int items[64];
    00216   int i, nitems;
    00217
    00218   if (str == NULL) {
    00219     memset(items, 0, sizeof(items));
    00220     nitems = nelems;
    00221   } else {
    00222     nitems = ParseIntList(str, items, lengthof(items));
    00223     if (nitems != nelems) return false;
    00224   }
    00225
    00226   switch (type) {
    00227     case SLE_VAR_BL:
    00228     case SLE_VAR_I8:
    00229     case SLE_VAR_U8:
    00230       for (i = 0; i != nitems; i++) ((byte*)array)[i] = items[i];
    00231       break;
    00232
    00233     case SLE_VAR_I16:
    00234     case SLE_VAR_U16:
    00235       for (i = 0; i != nitems; i++) ((uint16*)array)[i] = items[i];
    00236       break;
    00237
    00238     case SLE_VAR_I32:
    00239     case SLE_VAR_U32:
    00240       for (i = 0; i != nitems; i++) ((uint32*)array)[i] = items[i];
    00241       break;
    00242
    00243     default: NOT_REACHED();
    00244   }
    00245
    00246   return true;
    00247 }
    00248
    00258 static void MakeIntList(char *buf, const char *last, const void *array, int nelems, VarType type)
    00259 {
    00260   int i, v = 0;
    00261   const byte *p = (const byte *)array;
    00262
    00263   for (i = 0; i != nelems; i++) {
    00264     switch (type) {
    00265       case SLE_VAR_BL:
    00266       case SLE_VAR_I8:  v = *(const   int8 *)p; p += 1; break;
    00267       case SLE_VAR_U8:  v = *(const  uint8 *)p; p += 1; break;
    00268       case SLE_VAR_I16: v = *(const  int16 *)p; p += 2; break;
    00269       case SLE_VAR_U16: v = *(const uint16 *)p; p += 2; break;
    00270       case SLE_VAR_I32: v = *(const  int32 *)p; p += 4; break;
    00271       case SLE_VAR_U32: v = *(const uint32 *)p; p += 4; break;
    00272       default: NOT_REACHED();
    00273     }
    00274     buf += seprintf(buf, last, (i == 0) ? "%d" : ",%d", v);
    00275   }
    00276 }
    00277
    00285 static void MakeOneOfMany(char *buf, const char *last, const char *many, int id)
    00286 {
    00287   int orig_id = id;
    00288
    00289   /* Look for the id'th element */
    00290   while (--id >= 0) {
    00291     for (; *many != '|'; many++) {
    00292       if (*many == '\0') { // not found
    00293         seprintf(buf, last, "%d", orig_id);
    00294         return;
    00295       }
    00296     }
    00297     many++; // pass the |-character
    00298   }
    00299
    00300   /* copy string until next item (|) or the end of the list if this is the last one */
    00301   while (*many != '\0' && *many != '|' && buf < last) *buf++ = *many++;
    00302   *buf = '\0';
    00303 }
    00304
    00313 static void MakeManyOfMany(char *buf, const char *last, const char *many, uint32 x)
    00314 {
    00315   const char *start;
    00316   int i = 0;
    00317   bool init = true;
    00318
    00319   for (; x != 0; x >>= 1, i++) {
    00320     start = many;
    00321     while (*many != 0 && *many != '|') many++; // advance to the next element
    00322
    00323     if (HasBit(x, 0)) { // item found, copy it
    00324       if (!init) buf += seprintf(buf, last, "|");
    00325       init = false;
    00326       if (start == many) {
    00327         buf += seprintf(buf, last, "%d", i);
    00328       } else {
    00329         memcpy(buf, start, many - start);
    00330         buf += many - start;
    00331       }
    00332     }
    00333
    00334     if (*many == '|') many++;
    00335   }
    00336
    00337   *buf = '\0';
    00338 }
    00339
    00346 static const void *StringToVal(const SettingDescBase *desc, const char *orig_str)
    00347 {
    00348   const char *str = orig_str == NULL ? "" : orig_str;
    00349
    00350   switch (desc->cmd) {
    00351     case SDT_NUMX: {
    00352       char *end;
    00353       size_t val = strtoul(str, &end, 0);
    00354       if (end == str) {
    00355         ErrorMessageData msg(STR_CONFIG_ERROR, STR_CONFIG_ERROR_INVALID_VALUE);
    00356         msg.SetDParamStr(0, str);
    00357         msg.SetDParamStr(1, desc->name);
    00358         _settings_error_list.push_back(msg);
    00359         return desc->def;
    00360       }
    00361       if (*end != '\0') {
    00362         ErrorMessageData msg(STR_CONFIG_ERROR, STR_CONFIG_ERROR_TRAILING_CHARACTERS);
    00363         msg.SetDParamStr(0, desc->name);
    00364         _settings_error_list.push_back(msg);
    00365       }
    00366       return (void*)val;
    00367     }
    00368
    00369     case SDT_ONEOFMANY: {
    00370       size_t r = LookupOneOfMany(desc->many, str);
    00371       /* if the first attempt of conversion from string to the appropriate value fails,
    00372        * look if we have defined a converter from old value to new value. */
    00373       if (r == (size_t)-1 && desc->proc_cnvt != NULL) r = desc->proc_cnvt(str);
    00374       if (r != (size_t)-1) return (void*)r; // and here goes converted value
    00375
    00376       ErrorMessageData msg(STR_CONFIG_ERROR, STR_CONFIG_ERROR_INVALID_VALUE);
    00377       msg.SetDParamStr(0, str);
    00378       msg.SetDParamStr(1, desc->name);
    00379       _settings_error_list.push_back(msg);
    00380       return desc->def;
    00381     }
    00382
    00383     case SDT_MANYOFMANY: {
    00384       size_t r = LookupManyOfMany(desc->many, str);
    00385       if (r != (size_t)-1) return (void*)r;
    00386       ErrorMessageData msg(STR_CONFIG_ERROR, STR_CONFIG_ERROR_INVALID_VALUE);
    00387       msg.SetDParamStr(0, str);
    00388       msg.SetDParamStr(1, desc->name);
    00389       _settings_error_list.push_back(msg);
    00390       return desc->def;
    00391     }
    00392
    00393     case SDT_BOOLX: {
    00394       if (strcmp(str, "true")  == 0 || strcmp(str, "on")  == 0 || strcmp(str, "1") == 0) return (void*)true;
    00395       if (strcmp(str, "false") == 0 || strcmp(str, "off") == 0 || strcmp(str, "0") == 0) return (void*)false;
    00396
    00397       ErrorMessageData msg(STR_CONFIG_ERROR, STR_CONFIG_ERROR_INVALID_VALUE);
    00398       msg.SetDParamStr(0, str);
    00399       msg.SetDParamStr(1, desc->name);
    00400       _settings_error_list.push_back(msg);
    00401       return desc->def;
    00402     }
    00403
    00404     case SDT_STRING: return orig_str;
    00405     case SDT_INTLIST: return str;
    00406     default: break;
    00407   }
    00408
    00409   return NULL;
    00410 }
    00411
    00421 static void Write_ValidateSetting(void *ptr, const SettingDesc *sd, int32 val)
    00422 {
    00423   const SettingDescBase *sdb = &sd->desc;
    00424
    00425   if (sdb->cmd != SDT_BOOLX &&
    00426       sdb->cmd != SDT_NUMX &&
    00427       sdb->cmd != SDT_ONEOFMANY &&
    00428       sdb->cmd != SDT_MANYOFMANY) {
    00429     return;
    00430   }
    00431
    00432   /* We cannot know the maximum value of a bitset variable, so just have faith */
    00433   if (sdb->cmd != SDT_MANYOFMANY) {
    00434     /* We need to take special care of the uint32 type as we receive from the function
    00435      * a signed integer. While here also bail out on 64-bit settings as those are not
    00436      * supported. Unsigned 8 and 16-bit variables are safe since they fit into a signed
    00437      * 32-bit variable
    00438      * TODO: Support 64-bit settings/variables */
    00439     switch (GetVarMemType(sd->save.conv)) {
    00440       case SLE_VAR_NULL: return;
    00441       case SLE_VAR_BL:
    00442       case SLE_VAR_I8:
    00443       case SLE_VAR_U8:
    00444       case SLE_VAR_I16:
    00445       case SLE_VAR_U16:
    00446       case SLE_VAR_I32: {
    00447         /* Override the minimum value. No value below sdb->min, except special value 0 */
    00448         if (!(sdb->flags & SGF_0ISDISABLED) || val != 0) val = Clamp(val, sdb->min, sdb->max);
    00449         break;
    00450       }
    00451       case SLE_VAR_U32: {
    00452         /* Override the minimum value. No value below sdb->min, except special value 0 */
    00453         uint min = ((sdb->flags & SGF_0ISDISABLED) && (uint)val <= (uint)sdb->min) ? 0 : sdb->min;
    00454         WriteValue(ptr, SLE_VAR_U32, (int64)ClampU(val, min, sdb->max));
    00455         return;
    00456       }
    00457       case SLE_VAR_I64:
    00458       case SLE_VAR_U64:
    00459       default: NOT_REACHED();
    00460     }
    00461   }
    00462
    00463   WriteValue(ptr, sd->save.conv, (int64)val);
    00464 }
    00465
    00474 static void IniLoadSettings(IniFile *ini, const SettingDesc *sd, const char *grpname, void *object)
    00475 {
    00476   IniGroup *group;
    00477   IniGroup *group_def = ini->GetGroup(grpname);
    00478   IniItem *item;
    00479   const void *p;
    00480   void *ptr;
    00481   const char *s;
    00482
    00483   for (; sd->save.cmd != SL_END; sd++) {
    00484     const SettingDescBase *sdb = &sd->desc;
    00485     const SaveLoad        *sld = &sd->save;
    00486
    00487     if (!SlIsObjectCurrentlyValid(sld->version_from, sld->version_to)) continue;
    00488
    00489     /* For settings.xx.yy load the settings from [xx] yy = ? */
    00490     s = strchr(sdb->name, '.');
    00491     if (s != NULL) {
    00492       group = ini->GetGroup(sdb->name, s - sdb->name);
    00493       s++;
    00494     } else {
    00495       s = sdb->name;
    00496       group = group_def;
    00497     }
    00498
    00499     item = group->GetItem(s, false);
    00500     if (item == NULL && group != group_def) {
    00501       /* For settings.xx.yy load the settings from [settingss] yy = ? in case the previous
    00502        * did not exist (e.g. loading old config files with a [settings] section */
    00503       item = group_def->GetItem(s, false);
    00504     }
    00505     if (item == NULL) {
    00506       /* For settings.xx.zz.yy load the settings from [zz] yy = ? in case the previous
    00507        * did not exist (e.g. loading old config files with a [yapf] section */
    00508       const char *sc = strchr(s, '.');
    00509       if (sc != NULL) item = ini->GetGroup(s, sc - s)->GetItem(sc + 1, false);
    00510     }
    00511
    00512     p = (item == NULL) ? sdb->def : StringToVal(sdb, item->value);
    00513     ptr = GetVariableAddress(object, sld);
    00514
    00515     switch (sdb->cmd) {
    00516       case SDT_BOOLX: // All four are various types of (integer) numbers
    00517       case SDT_NUMX:
    00518       case SDT_ONEOFMANY:
    00519       case SDT_MANYOFMANY:
    00520         Write_ValidateSetting(ptr, sd, (int32)(size_t)p);
    00521         break;
    00522
    00523       case SDT_STRING:
    00524         switch (GetVarMemType(sld->conv)) {
    00525           case SLE_VAR_STRB:
    00526           case SLE_VAR_STRBQ:
    00527             if (p != NULL) ttd_strlcpy((char*)ptr, (const char*)p, sld->length);
    00528             break;
    00529
    00530           case SLE_VAR_STR:
    00531           case SLE_VAR_STRQ:
    00532             free(*(char**)ptr);
    00533             *(char**)ptr = p == NULL ? NULL : strdup((const char*)p);
    00534             break;
    00535
    00536           case SLE_VAR_CHAR: if (p != NULL) *(char *)ptr = *(const char *)p; break;
    00537
    00538           default: NOT_REACHED();
    00539         }
    00540         break;
    00541
    00542       case SDT_INTLIST: {
    00543         if (!LoadIntList((const char*)p, ptr, sld->length, GetVarMemType(sld->conv))) {
    00544           ErrorMessageData msg(STR_CONFIG_ERROR, STR_CONFIG_ERROR_ARRAY);
    00545           msg.SetDParamStr(0, sdb->name);
    00546           _settings_error_list.push_back(msg);
    00547
    00548           /* Use default */
    00549           LoadIntList((const char*)sdb->def, ptr, sld->length, GetVarMemType(sld->conv));
    00550         } else if (sd->desc.proc_cnvt != NULL) {
    00551           sd->desc.proc_cnvt((const char*)p);
    00552         }
    00553         break;
    00554       }
    00555       default: NOT_REACHED();
    00556     }
    00557   }
    00558 }
    00559
    00572 static void IniSaveSettings(IniFile *ini, const SettingDesc *sd, const char *grpname, void *object)
    00573 {
    00574   IniGroup *group_def = NULL, *group;
    00575   IniItem *item;
    00576   char buf[512];
    00577   const char *s;
    00578   void *ptr;
    00579
    00580   for (; sd->save.cmd != SL_END; sd++) {
    00581     const SettingDescBase *sdb = &sd->desc;
    00582     const SaveLoad        *sld = &sd->save;
    00583
    00584     /* If the setting is not saved to the configuration
    00585      * file, just continue with the next setting */
    00586     if (!SlIsObjectCurrentlyValid(sld->version_from, sld->version_to)) continue;
    00587     if (sld->conv & SLF_NOT_IN_CONFIG) continue;
    00588
    00589     /* XXX - wtf is this?? (group override?) */
    00590     s = strchr(sdb->name, '.');
    00591     if (s != NULL) {
    00592       group = ini->GetGroup(sdb->name, s - sdb->name);
    00593       s++;
    00594     } else {
    00595       if (group_def == NULL) group_def = ini->GetGroup(grpname);
    00596       s = sdb->name;
    00597       group = group_def;
    00598     }
    00599
    00600     item = group->GetItem(s, true);
    00601     ptr = GetVariableAddress(object, sld);
    00602
    00603     if (item->value != NULL) {
    00604       /* check if the value is the same as the old value */
    00605       const void *p = StringToVal(sdb, item->value);
    00606
    00607       /* The main type of a variable/setting is in bytes 8-15
    00608        * The subtype (what kind of numbers do we have there) is in 0-7 */
    00609       switch (sdb->cmd) {
    00610         case SDT_BOOLX:
    00611         case SDT_NUMX:
    00612         case SDT_ONEOFMANY:
    00613         case SDT_MANYOFMANY:
    00614           switch (GetVarMemType(sld->conv)) {
    00615             case SLE_VAR_BL:
    00616               if (*(bool*)ptr == (p != NULL)) continue;
    00617               break;
    00618
    00619             case SLE_VAR_I8:
    00620             case SLE_VAR_U8:
    00621               if (*(byte*)ptr == (byte)(size_t)p) continue;
    00622               break;
    00623
    00624             case SLE_VAR_I16:
    00625             case SLE_VAR_U16:
    00626               if (*(uint16*)ptr == (uint16)(size_t)p) continue;
    00627               break;
    00628
    00629             case SLE_VAR_I32:
    00630             case SLE_VAR_U32:
    00631               if (*(uint32*)ptr == (uint32)(size_t)p) continue;
    00632               break;
    00633
    00634             default: NOT_REACHED();
    00635           }
    00636           break;
    00637
    00638         default: break; // Assume the other types are always changed
    00639       }
    00640     }
    00641
    00642     /* Value has changed, get the new value and put it into a buffer */
    00643     switch (sdb->cmd) {
    00644       case SDT_BOOLX:
    00645       case SDT_NUMX:
    00646       case SDT_ONEOFMANY:
    00647       case SDT_MANYOFMANY: {
    00648         uint32 i = (uint32)ReadValue(ptr, sld->conv);
    00649
    00650         switch (sdb->cmd) {
    00651           case SDT_BOOLX:      strecpy(buf, (i != 0) ? "true" : "false", lastof(buf)); break;
    00652           case SDT_NUMX:       seprintf(buf, lastof(buf), IsSignedVarMemType(sld->conv) ? "%d" : "%u", i); break;
    00653           case SDT_ONEOFMANY:  MakeOneOfMany(buf, lastof(buf), sdb->many, i); break;
    00654           case SDT_MANYOFMANY: MakeManyOfMany(buf, lastof(buf), sdb->many, i); break;
    00655           default: NOT_REACHED();
    00656         }
    00657         break;
    00658       }
    00659
    00660       case SDT_STRING:
    00661         switch (GetVarMemType(sld->conv)) {
    00662           case SLE_VAR_STRB: strecpy(buf, (char*)ptr, lastof(buf)); break;
    00663           case SLE_VAR_STRBQ:seprintf(buf, lastof(buf), "\"%s\"", (char*)ptr); break;
    00664           case SLE_VAR_STR:  strecpy(buf, *(char**)ptr, lastof(buf)); break;
    00665
    00666           case SLE_VAR_STRQ:
    00667             if (*(char**)ptr == NULL) {
    00668               buf[0] = '\0';
    00669             } else {
    00670               seprintf(buf, lastof(buf), "\"%s\"", *(char**)ptr);
    00671             }
    00672             break;
    00673
    00674           case SLE_VAR_CHAR: buf[0] = *(char*)ptr; buf[1] = '\0'; break;
    00675           default: NOT_REACHED();
    00676         }
    00677         break;
    00678
    00679       case SDT_INTLIST:
    00680         MakeIntList(buf, lastof(buf), ptr, sld->length, GetVarMemType(sld->conv));
    00681         break;
    00682
    00683       default: NOT_REACHED();
    00684     }
    00685
    00686     /* The value is different, that means we have to write it to the ini */
    00687     free(item->value);
    00688     item->value = strdup(buf);
    00689   }
    00690 }
    00691
    00701 static void IniLoadSettingList(IniFile *ini, const char *grpname, StringList *list)
    00702 {
    00703   IniGroup *group = ini->GetGroup(grpname);
    00704
    00705   if (group == NULL || list == NULL) return;
    00706
    00707   list->Clear();
    00708
    00709   for (const IniItem *item = group->item; item != NULL; item = item->next) {
    00710     if (item->name != NULL) *list->Append() = strdup(item->name);
    00711   }
    00712 }
    00713
    00723 static void IniSaveSettingList(IniFile *ini, const char *grpname, StringList *list)
    00724 {
    00725   IniGroup *group = ini->GetGroup(grpname);
    00726
    00727   if (group == NULL || list == NULL) return;
    00728   group->Clear();
    00729
    00730   for (char **iter = list->Begin(); iter != list->End(); iter++) {
    00731     group->GetItem(*iter, true)->SetValue("");
    00732   }
    00733 }
    00734
    00740 bool SettingDesc::IsEditable(bool do_command) const
    00741 {
    00742   if (!do_command && !(this->save.conv & SLF_NO_NETWORK_SYNC) && _networking && !_network_server && !(this->desc.flags & SGF_PER_COMPANY)) return false;
    00743   if ((this->desc.flags & SGF_NETWORK_ONLY) && !_networking && _game_mode != GM_MENU) return false;
    00744   if ((this->desc.flags & SGF_NO_NETWORK) && _networking) return false;
    00745   if ((this->desc.flags & SGF_NEWGAME_ONLY) &&
    00746       (_game_mode == GM_NORMAL ||
    00747       (_game_mode == GM_EDITOR && !(this->desc.flags & SGF_SCENEDIT_TOO)))) return false;
    00748   return true;
    00749 }
    00750
    00755 SettingType SettingDesc::GetType() const
    00756 {
    00757   if (this->desc.flags & SGF_PER_COMPANY) return ST_COMPANY;
    00758   return (this->save.conv & SLF_NOT_IN_SAVE) ? ST_CLIENT : ST_GAME;
    00759 }
    00760
    00761 /* Begin - Callback Functions for the various settings. */
    00762
    00764 static bool v_PositionMainToolbar(int32 p1)
    00765 {
    00766   if (_game_mode != GM_MENU) PositionMainToolbar(NULL);
    00767   return true;
    00768 }
    00769
    00771 static bool v_PositionStatusbar(int32 p1)
    00772 {
    00773   if (_game_mode != GM_MENU) {
    00774     PositionStatusbar(NULL);
    00775     PositionNewsMessage(NULL);
    00776     PositionNetworkChatWindow(NULL);
    00777   }
    00778   return true;
    00779 }
    00780
    00781 static bool PopulationInLabelActive(int32 p1)
    00782 {
    00783   UpdateAllTownVirtCoords();
    00784   return true;
    00785 }
    00786
    00787 static bool RedrawScreen(int32 p1)
    00788 {
    00789   MarkWholeScreenDirty();
    00790   return true;
    00791 }
    00792
    00798 static bool RedrawSmallmap(int32 p1)
    00799 {
    00800   BuildLandLegend();
    00801   BuildOwnerLegend();
    00802   SetWindowClassesDirty(WC_SMALLMAP);
    00803   return true;
    00804 }
    00805
    00806 static bool InvalidateDetailsWindow(int32 p1)
    00807 {
    00808   SetWindowClassesDirty(WC_VEHICLE_DETAILS);
    00809   return true;
    00810 }
    00811
    00812 static bool StationSpreadChanged(int32 p1)
    00813 {
    00814   InvalidateWindowData(WC_SELECT_STATION, 0);
    00815   InvalidateWindowData(WC_BUILD_STATION, 0);
    00816   return true;
    00817 }
    00818
    00819 static bool InvalidateBuildIndustryWindow(int32 p1)
    00820 {
    00821   InvalidateWindowData(WC_BUILD_INDUSTRY, 0);
    00822   return true;
    00823 }
    00824
    00825 static bool CloseSignalGUI(int32 p1)
    00826 {
    00827   if (p1 == 0) {
    00828     DeleteWindowByClass(WC_BUILD_SIGNAL);
    00829   }
    00830   return true;
    00831 }
    00832
    00833 static bool InvalidateTownViewWindow(int32 p1)
    00834 {
    00835   InvalidateWindowClassesData(WC_TOWN_VIEW, p1);
    00836   return true;
    00837 }
    00838
    00839 static bool DeleteSelectStationWindow(int32 p1)
    00840 {
    00841   DeleteWindowById(WC_SELECT_STATION, 0);
    00842   return true;
    00843 }
    00844
    00845 static bool UpdateConsists(int32 p1)
    00846 {
    00847   Train *t;
    00848   FOR_ALL_TRAINS(t) {
    00849     /* Update the consist of all trains so the maximum speed is set correctly. */
    00850     if (t->IsFrontEngine() || t->IsFreeWagon()) t->ConsistChanged(true);
    00851   }
    00852   InvalidateWindowClassesData(WC_BUILD_VEHICLE, 0);
    00853   return true;
    00854 }
    00855
    00856 /* Check service intervals of vehicles, p1 is value of % or day based servicing */
    00857 static bool CheckInterval(int32 p1)
    00858 {
    00859   bool update_vehicles;
    00860   VehicleDefaultSettings *vds;
    00861   if (_game_mode == GM_MENU || !Company::IsValidID(_current_company)) {
    00862     vds = &_settings_client.company.vehicle;
    00863     update_vehicles = false;
    00864   } else {
    00865     vds = &Company::Get(_current_company)->settings.vehicle;
    00866     update_vehicles = true;
    00867   }
    00868
    00869   if (p1 != 0) {
    00870     vds->servint_trains   = 50;
    00871     vds->servint_roadveh  = 50;
    00872     vds->servint_aircraft = 50;
    00873     vds->servint_ships    = 50;
    00874   } else {
    00875     vds->servint_trains   = 150;
    00876     vds->servint_roadveh  = 150;
    00877     vds->servint_aircraft = 100;
    00878     vds->servint_ships    = 360;
    00879   }
    00880
    00881   if (update_vehicles) {
    00882     const Company *c = Company::Get(_current_company);
    00883     Vehicle *v;
    00884     FOR_ALL_VEHICLES(v) {
    00885       if (v->owner == _current_company && v->IsPrimaryVehicle() && !v->ServiceIntervalIsCustom()) {
    00886         v->SetServiceInterval(CompanyServiceInterval(c, v->type));
    00887         v->SetServiceIntervalIsPercent(p1 != 0);
    00888       }
    00889     }
    00890   }
    00891
    00892   InvalidateDetailsWindow(0);
    00893
    00894   return true;
    00895 }
    00896
    00897 static bool UpdateInterval(VehicleType type, int32 p1)
    00898 {
    00899   bool update_vehicles;
    00900   VehicleDefaultSettings *vds;
    00901   if (_game_mode == GM_MENU || !Company::IsValidID(_current_company)) {
    00902     vds = &_settings_client.company.vehicle;
    00903     update_vehicles = false;
    00904   } else {
    00905     vds = &Company::Get(_current_company)->settings.vehicle;
    00906     update_vehicles = true;
    00907   }
    00908
    00909   /* Test if the interval is valid */
    00910   uint16 interval = GetServiceIntervalClamped(p1, vds->servint_ispercent);
    00911   if (interval != p1) return false;
    00912
    00913   if (update_vehicles) {
    00914     Vehicle *v;
    00915     FOR_ALL_VEHICLES(v) {
    00916       if (v->owner == _current_company && v->type == type && v->IsPrimaryVehicle() && !v->ServiceIntervalIsCustom()) {
    00917         v->SetServiceInterval(p1);
    00918       }
    00919     }
    00920   }
    00921
    00922   InvalidateDetailsWindow(0);
    00923
    00924   return true;
    00925 }
    00926
    00927 static bool UpdateIntervalTrains(int32 p1)
    00928 {
    00929   return UpdateInterval(VEH_TRAIN, p1);
    00930 }
    00931
    00932 static bool UpdateIntervalRoadVeh(int32 p1)
    00933 {
    00934   return UpdateInterval(VEH_ROAD, p1);
    00935 }
    00936
    00937 static bool UpdateIntervalShips(int32 p1)
    00938 {
    00939   return UpdateInterval(VEH_SHIP, p1);
    00940 }
    00941
    00942 static bool UpdateIntervalAircraft(int32 p1)
    00943 {
    00944   return UpdateInterval(VEH_AIRCRAFT, p1);
    00945 }
    00946
    00947 static bool TrainAccelerationModelChanged(int32 p1)
    00948 {
    00949   Train *t;
    00950   FOR_ALL_TRAINS(t) {
    00951     if (t->IsFrontEngine()) {
    00952       t->tcache.cached_max_curve_speed = t->GetCurveSpeedLimit();
    00953       t->UpdateAcceleration();
    00954     }
    00955   }
    00956
    00957   /* These windows show acceleration values only when realistic acceleration is on. They must be redrawn after a setting change. */
    00958   SetWindowClassesDirty(WC_ENGINE_PREVIEW);
    00959   InvalidateWindowClassesData(WC_BUILD_VEHICLE, 0);
    00960   SetWindowClassesDirty(WC_VEHICLE_DETAILS);
    00961
    00962   return true;
    00963 }
    00964
    00970 static bool TrainSlopeSteepnessChanged(int32 p1)
    00971 {
    00972   Train *t;
    00973   FOR_ALL_TRAINS(t) {
    00974     if (t->IsFrontEngine()) t->CargoChanged();
    00975   }
    00976
    00977   return true;
    00978 }
    00979
    00985 static bool RoadVehAccelerationModelChanged(int32 p1)
    00986 {
    00987   if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) {
    00988     RoadVehicle *rv;
    00989     FOR_ALL_ROADVEHICLES(rv) {
    00990       if (rv->IsFrontEngine()) {
    00991         rv->CargoChanged();
    00992       }
    00993     }
    00994   }
    00995
    00996   /* These windows show acceleration values only when realistic acceleration is on. They must be redrawn after a setting change. */
    00997   SetWindowClassesDirty(WC_ENGINE_PREVIEW);
    00998   InvalidateWindowClassesData(WC_BUILD_VEHICLE, 0);
    00999   SetWindowClassesDirty(WC_VEHICLE_DETAILS);
    01000
    01001   return true;
    01002 }
    01003
    01009 static bool RoadVehSlopeSteepnessChanged(int32 p1)
    01010 {
    01011   RoadVehicle *rv;
    01012   FOR_ALL_ROADVEHICLES(rv) {
    01013     if (rv->IsFrontEngine()) rv->CargoChanged();
    01014   }
    01015
    01016   return true;
    01017 }
    01018
    01019 static bool DragSignalsDensityChanged(int32)
    01020 {
    01021   InvalidateWindowData(WC_BUILD_SIGNAL, 0);
    01022
    01023   return true;
    01024 }
    01025
    01026 static bool TownFoundingChanged(int32 p1)
    01027 {
    01028   if (_game_mode != GM_EDITOR && _settings_game.economy.found_town == TF_FORBIDDEN) {
    01029     DeleteWindowById(WC_FOUND_TOWN, 0);
    01030     return true;
    01031   }
    01032   InvalidateWindowData(WC_FOUND_TOWN, 0);
    01033   return true;
    01034 }
    01035
    01036 static bool InvalidateVehTimetableWindow(int32 p1)
    01037 {
    01038   InvalidateWindowClassesData(WC_VEHICLE_TIMETABLE, VIWD_MODIFY_ORDERS);
    01039   return true;
    01040 }
    01041
    01042 static bool ZoomMinMaxChanged(int32 p1)
    01043 {
    01044   extern void ConstrainAllViewportsZoom();
    01045   ConstrainAllViewportsZoom();
    01046   GfxClearSpriteCache();
    01047   return true;
    01048 }
    01049
    01057 static bool InvalidateNewGRFChangeWindows(int32 p1)
    01058 {
    01059   InvalidateWindowClassesData(WC_SAVELOAD);
    01060   DeleteWindowByClass(WC_GAME_OPTIONS);
    01061   ReInitAllWindows();
    01062   return true;
    01063 }
    01064
    01065 static bool InvalidateCompanyLiveryWindow(int32 p1)
    01066 {
    01067   InvalidateWindowClassesData(WC_COMPANY_COLOUR);
    01068   return RedrawScreen(p1);
    01069 }
    01070
    01071 static bool InvalidateIndustryViewWindow(int32 p1)
    01072 {
    01073   InvalidateWindowClassesData(WC_INDUSTRY_VIEW);
    01074   return true;
    01075 }
    01076
    01077 static bool InvalidateAISettingsWindow(int32 p1)
    01078 {
    01079   InvalidateWindowClassesData(WC_AI_SETTINGS);
    01080   return true;
    01081 }
    01082
    01088 static bool RedrawTownAuthority(int32 p1)
    01089 {
    01090   SetWindowClassesDirty(WC_TOWN_AUTHORITY);
    01091   return true;
    01092 }
    01093
    01099 static bool InvalidateCompanyInfrastructureWindow(int32 p1)
    01100 {
    01101   InvalidateWindowClassesData(WC_COMPANY_INFRASTRUCTURE);
    01102   return true;
    01103 }
    01104
    01110 static bool InvalidateCompanyWindow(int32 p1)
    01111 {
    01112   InvalidateWindowClassesData(WC_COMPANY);
    01113   return true;
    01114 }
    01115
    01117 static void ValidateSettings()
    01118 {
    01119   /* Do not allow a custom sea level with the original land generator. */
    01120   if (_settings_newgame.game_creation.land_generator == 0 &&
    01121       _settings_newgame.difficulty.quantity_sea_lakes == CUSTOM_SEA_LEVEL_NUMBER_DIFFICULTY) {
    01122     _settings_newgame.difficulty.quantity_sea_lakes = CUSTOM_SEA_LEVEL_MIN_PERCENTAGE;
    01123   }
    01124 }
    01125
    01126 static bool DifficultyNoiseChange(int32 i)
    01127 {
    01128   if (_game_mode == GM_NORMAL) {
    01129     UpdateAirportsNoise();
    01130     if (_settings_game.economy.station_noise_level) {
    01131       InvalidateWindowClassesData(WC_TOWN_VIEW, 0);
    01132     }
    01133   }
    01134
    01135   return true;
    01136 }
    01137
    01138 static bool MaxNoAIsChange(int32 i)
    01139 {
    01140   if (GetGameSettings().difficulty.max_no_competitors != 0 &&
    01141       AI::GetInfoList()->size() == 0 &&
    01142       (!_networking || _network_server)) {
    01143     ShowErrorMessage(STR_WARNING_NO_SUITABLE_AI, INVALID_STRING_ID, WL_CRITICAL);
    01144   }
    01145
    01146   return true;
    01147 }
    01148
    01154 static bool CheckRoadSide(int p1)
    01155 {
    01156   extern bool RoadVehiclesAreBuilt();
    01157   return _game_mode == GM_MENU || !RoadVehiclesAreBuilt();
    01158 }
    01159
    01167 static size_t ConvertLandscape(const char *value)
    01168 {
    01169   /* try with the old values */
    01170   return LookupOneOfMany("normal|hilly|desert|candy", value);
    01171 }
    01172
    01173 static bool CheckFreeformEdges(int32 p1)
    01174 {
    01175   if (_game_mode == GM_MENU) return true;
    01176   if (p1 != 0) {
    01177     Ship *s;
    01178     FOR_ALL_SHIPS(s) {
    01179       /* Check if there is a ship on the northern border. */
    01180       if (TileX(s->tile) == 0 || TileY(s->tile) == 0) {
    01181         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_EMPTY, INVALID_STRING_ID, WL_ERROR);
    01182         return false;
    01183       }
    01184     }
    01185     BaseStation *st;
    01186     FOR_ALL_BASE_STATIONS(st) {
    01187       /* Check if there is a non-deleted buoy on the northern border. */
    01188       if (st->IsInUse() && (TileX(st->xy) == 0 || TileY(st->xy) == 0)) {
    01189         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_EMPTY, INVALID_STRING_ID, WL_ERROR);
    01190         return false;
    01191       }
    01192     }
    01193     for (uint i = 0; i < MapSizeX(); i++) MakeVoid(TileXY(i, 0));
    01194     for (uint i = 0; i < MapSizeY(); i++) MakeVoid(TileXY(0, i));
    01195   } else {
    01196     for (uint i = 0; i < MapMaxX(); i++) {
    01197       if (TileHeight(TileXY(i, 1)) != 0) {
    01198         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
    01199         return false;
    01200       }
    01201     }
    01202     for (uint i = 1; i < MapMaxX(); i++) {
    01203       if (!IsTileType(TileXY(i, MapMaxY() - 1), MP_WATER) || TileHeight(TileXY(1, MapMaxY())) != 0) {
    01204         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
    01205         return false;
    01206       }
    01207     }
    01208     for (uint i = 0; i < MapMaxY(); i++) {
    01209       if (TileHeight(TileXY(1, i)) != 0) {
    01210         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
    01211         return false;
    01212       }
    01213     }
    01214     for (uint i = 1; i < MapMaxY(); i++) {
    01215       if (!IsTileType(TileXY(MapMaxX() - 1, i), MP_WATER) || TileHeight(TileXY(MapMaxX(), i)) != 0) {
    01216         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
    01217         return false;
    01218       }
    01219     }
    01220     /* Make tiles at the border water again. */
    01221     for (uint i = 0; i < MapMaxX(); i++) {
    01222       SetTileHeight(TileXY(i, 0), 0);
    01223       SetTileType(TileXY(i, 0), MP_WATER);
    01224     }
    01225     for (uint i = 0; i < MapMaxY(); i++) {
    01226       SetTileHeight(TileXY(0, i), 0);
    01227       SetTileType(TileXY(0, i), MP_WATER);
    01228     }
    01229   }
    01230   MarkWholeScreenDirty();
    01231   return true;
    01232 }
    01233
    01238 static bool ChangeDynamicEngines(int32 p1)
    01239 {
    01240   if (_game_mode == GM_MENU) return true;
    01241
    01242   if (!EngineOverrideManager::ResetToCurrentNewGRFConfig()) {
    01243     ShowErrorMessage(STR_CONFIG_SETTING_DYNAMIC_ENGINES_EXISTING_VEHICLES, INVALID_STRING_ID, WL_ERROR);
    01244     return false;
    01245   }
    01246
    01247   return true;
    01248 }
    01249
    01250 static bool StationCatchmentChanged(int32 p1)
    01251 {
    01252   Station::RecomputeIndustriesNearForAll();
    01253   return true;
    01254 }
    01255
    01256
    01257 #ifdef ENABLE_NETWORK
    01258
    01259 static bool UpdateClientName(int32 p1)
    01260 {
    01261   NetworkUpdateClientName();
    01262   return true;
    01263 }
    01264
    01265 static bool UpdateServerPassword(int32 p1)
    01266 {
    01267   if (strcmp(_settings_client.network.server_password, "*") == 0) {
    01268     _settings_client.network.server_password[0] = '\0';
    01269   }
    01270
    01271   return true;
    01272 }
    01273
    01274 static bool UpdateRconPassword(int32 p1)
    01275 {
    01276   if (strcmp(_settings_client.network.rcon_password, "*") == 0) {
    01277     _settings_client.network.rcon_password[0] = '\0';
    01278   }
    01279
    01280   return true;
    01281 }
    01282
    01283 static bool UpdateClientConfigValues(int32 p1)
    01284 {
    01285   if (_network_server) NetworkServerSendConfigUpdate();
    01286
    01287   return true;
    01288 }
    01289
    01290 #endif /* ENABLE_NETWORK */
    01291
    01292
    01293 /* End - Callback Functions */
    01294
    01298 static void PrepareOldDiffCustom()
    01299 {
    01300   memset(_old_diff_custom, 0, sizeof(_old_diff_custom));
    01301 }
    01302
    01309 static void HandleOldDiffCustom(bool savegame)
    01310 {
    01311   uint options_to_load = GAME_DIFFICULTY_NUM - ((savegame && IsSavegameVersionBefore(4)) ? 1 : 0);
    01312
    01313   if (!savegame) {
    01314     /* If we did read to old_diff_custom, then at least one value must be non 0. */
    01315     bool old_diff_custom_used = false;
    01316     for (uint i = 0; i < options_to_load && !old_diff_custom_used; i++) {
    01317       old_diff_custom_used = (_old_diff_custom[i] != 0);
    01318     }
    01319
    01320     if (!old_diff_custom_used) return;
    01321   }
    01322
    01323   for (uint i = 0; i < options_to_load; i++) {
    01324     const SettingDesc *sd = &_settings[i];
    01325     /* Skip deprecated options */
    01326     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    01327     void *var = GetVariableAddress(savegame ? &_settings_game : &_settings_newgame, &sd->save);
    01328     Write_ValidateSetting(var, sd, (int32)((i == 4 ? 1000 : 1) * _old_diff_custom[i]));
    01329   }
    01330 }
    01331
    01332 static void AILoadConfig(IniFile *ini, const char *grpname)
    01333 {
    01334   IniGroup *group = ini->GetGroup(grpname);
    01335   IniItem *item;
    01336
    01337   /* Clean any configured AI */
    01338   for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
    01339     AIConfig::GetConfig(c, AIConfig::SSS_FORCE_NEWGAME)->Change(NULL);
    01340   }
    01341
    01342   /* If no group exists, return */
    01343   if (group == NULL) return;
    01344
    01345   CompanyID c = COMPANY_FIRST;
    01346   for (item = group->item; c < MAX_COMPANIES && item != NULL; c++, item = item->next) {
    01347     AIConfig *config = AIConfig::GetConfig(c, AIConfig::SSS_FORCE_NEWGAME);
    01348
    01349     config->Change(item->name);
    01350     if (!config->HasScript()) {
    01351       if (strcmp(item->name, "none") != 0) {
    01352         DEBUG(script, 0, "The AI by the name '%s' was no longer found, and removed from the list.", item->name);
    01353         continue;
    01354       }
    01355     }
    01356     if (item->value != NULL) config->StringToSettings(item->value);
    01357   }
    01358 }
    01359
    01360 static void GameLoadConfig(IniFile *ini, const char *grpname)
    01361 {
    01362   IniGroup *group = ini->GetGroup(grpname);
    01363   IniItem *item;
    01364
    01365   /* Clean any configured GameScript */
    01366   GameConfig::GetConfig(GameConfig::SSS_FORCE_NEWGAME)->Change(NULL);
    01367
    01368   /* If no group exists, return */
    01369   if (group == NULL) return;
    01370
    01371   item = group->item;
    01372   if (item == NULL) return;
    01373
    01374   GameConfig *config = GameConfig::GetConfig(AIConfig::SSS_FORCE_NEWGAME);
    01375
    01376   config->Change(item->name);
    01377   if (!config->HasScript()) {
    01378     if (strcmp(item->name, "none") != 0) {
    01379       DEBUG(script, 0, "The GameScript by the name '%s' was no longer found, and removed from the list.", item->name);
    01380       return;
    01381     }
    01382   }
    01383   if (item->value != NULL) config->StringToSettings(item->value);
    01384 }
    01385
    01392 static GRFConfig *GRFLoadConfig(IniFile *ini, const char *grpname, bool is_static)
    01393 {
    01394   IniGroup *group = ini->GetGroup(grpname);
    01395   IniItem *item;
    01396   GRFConfig *first = NULL;
    01397   GRFConfig **curr = &first;
    01398
    01399   if (group == NULL) return NULL;
    01400
    01401   for (item = group->item; item != NULL; item = item->next) {
    01402     GRFConfig *c = new GRFConfig(item->name);
    01403
    01404     /* Parse parameters */
    01405     if (!StrEmpty(item->value)) {
    01406       c->num_params = ParseIntList(item->value, (int*)c->param, lengthof(c->param));
    01407       if (c->num_params == (byte)-1) {
    01408         SetDParamStr(0, item->name);
    01409         ShowErrorMessage(STR_CONFIG_ERROR, STR_CONFIG_ERROR_ARRAY, WL_CRITICAL);
    01410         c->num_params = 0;
    01411       }
    01412     }
    01413
    01414     /* Check if item is valid */
    01415     if (!FillGRFDetails(c, is_static) || HasBit(c->flags, GCF_INVALID)) {
    01416       if (c->status == GCS_NOT_FOUND) {
    01417         SetDParam(1, STR_CONFIG_ERROR_INVALID_GRF_NOT_FOUND);
    01418       } else if (HasBit(c->flags, GCF_UNSAFE)) {
    01419         SetDParam(1, STR_CONFIG_ERROR_INVALID_GRF_UNSAFE);
    01420       } else if (HasBit(c->flags, GCF_SYSTEM)) {
    01421         SetDParam(1, STR_CONFIG_ERROR_INVALID_GRF_SYSTEM);
    01422       } else if (HasBit(c->flags, GCF_INVALID)) {
    01423         SetDParam(1, STR_CONFIG_ERROR_INVALID_GRF_INCOMPATIBLE);
    01424       } else {
    01425         SetDParam(1, STR_CONFIG_ERROR_INVALID_GRF_UNKNOWN);
    01426       }
    01427
    01428       SetDParamStr(0, item->name);
    01429       ShowErrorMessage(STR_CONFIG_ERROR, STR_CONFIG_ERROR_INVALID_GRF, WL_CRITICAL);
    01430       delete c;
    01431       continue;
    01432     }
    01433
    01434     /* Check for duplicate GRFID (will also check for duplicate filenames) */
    01435     bool duplicate = false;
    01436     for (const GRFConfig *gc = first; gc != NULL; gc = gc->next) {
    01437       if (gc->ident.grfid == c->ident.grfid) {
    01438         SetDParamStr(0, item->name);
    01439         SetDParamStr(1, gc->filename);
    01440         ShowErrorMessage(STR_CONFIG_ERROR, STR_CONFIG_ERROR_DUPLICATE_GRFID, WL_CRITICAL);
    01441         duplicate = true;
    01442         break;
    01443       }
    01444     }
    01445     if (duplicate) {
    01446       delete c;
    01447       continue;
    01448     }
    01449
    01450     /* Mark file as static to avoid saving in savegame. */
    01451     if (is_static) SetBit(c->flags, GCF_STATIC);
    01452
    01453     /* Add item to list */
    01454     *curr = c;
    01455     curr = &c->next;
    01456   }
    01457
    01458   return first;
    01459 }
    01460
    01461 static void AISaveConfig(IniFile *ini, const char *grpname)
    01462 {
    01463   IniGroup *group = ini->GetGroup(grpname);
    01464
    01465   if (group == NULL) return;
    01466   group->Clear();
    01467
    01468   for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
    01469     AIConfig *config = AIConfig::GetConfig(c, AIConfig::SSS_FORCE_NEWGAME);
    01470     const char *name;
    01471     char value[1024];
    01472     config->SettingsToString(value, lengthof(value));
    01473
    01474     if (config->HasScript()) {
    01475       name = config->GetName();
    01476     } else {
    01477       name = "none";
    01478     }
    01479
    01480     IniItem *item = new IniItem(group, name, strlen(name));
    01481     item->SetValue(value);
    01482   }
    01483 }
    01484
    01485 static void GameSaveConfig(IniFile *ini, const char *grpname)
    01486 {
    01487   IniGroup *group = ini->GetGroup(grpname);
    01488
    01489   if (group == NULL) return;
    01490   group->Clear();
    01491
    01492   GameConfig *config = GameConfig::GetConfig(AIConfig::SSS_FORCE_NEWGAME);
    01493   const char *name;
    01494   char value[1024];
    01495   config->SettingsToString(value, lengthof(value));
    01496
    01497   if (config->HasScript()) {
    01498     name = config->GetName();
    01499   } else {
    01500     name = "none";
    01501   }
    01502
    01503   IniItem *item = new IniItem(group, name, strlen(name));
    01504   item->SetValue(value);
    01505 }
    01506
    01511 static void SaveVersionInConfig(IniFile *ini)
    01512 {
    01513   IniGroup *group = ini->GetGroup("version");
    01514
    01515   char version[9];
    01516   snprintf(version, lengthof(version), "%08X", _openttd_newgrf_version);
    01517
    01518   const char * const versions[][2] = {
    01519     { "version_string", _openttd_revision },
    01520     { "version_number", version }
    01521   };
    01522
    01523   for (uint i = 0; i < lengthof(versions); i++) {
    01524     group->GetItem(versions[i][0], true)->SetValue(versions[i][1]);
    01525   }
    01526 }
    01527
    01528 /* Save a GRF configuration to the given group name */
    01529 static void GRFSaveConfig(IniFile *ini, const char *grpname, const GRFConfig *list)
    01530 {
    01531   ini->RemoveGroup(grpname);
    01532   IniGroup *group = ini->GetGroup(grpname);
    01533   const GRFConfig *c;
    01534
    01535   for (c = list; c != NULL; c = c->next) {
    01536     char params[512];
    01537     GRFBuildParamList(params, c, lastof(params));
    01538
    01539     group->GetItem(c->filename, true)->SetValue(params);
    01540   }
    01541 }
    01542
    01543 /* Common handler for saving/loading variables to the configuration file */
    01544 static void HandleSettingDescs(IniFile *ini, SettingDescProc *proc, SettingDescProcList *proc_list, bool basic_settings = true, bool other_settings = true)
    01545 {
    01546   if (basic_settings) {
    01547     proc(ini, (const SettingDesc*)_misc_settings,    "misc",  NULL);
    01548 #if defined(WIN32) && !defined(DEDICATED)
    01549     proc(ini, (const SettingDesc*)_win32_settings,   "win32", NULL);
    01550 #endif /* WIN32 */
    01551   }
    01552
    01553   if (other_settings) {
    01554     proc(ini, _settings,         "patches",  &_settings_newgame);
    01555     proc(ini, _currency_settings,"currency", &_custom_currency);
    01556     proc(ini, _company_settings, "company",  &_settings_client.company);
    01557
    01558 #ifdef ENABLE_NETWORK
    01559     proc_list(ini, "server_bind_addresses", &_network_bind_list);
    01560     proc_list(ini, "servers", &_network_host_list);
    01561     proc_list(ini, "bans",    &_network_ban_list);
    01562 #endif /* ENABLE_NETWORK */
    01563   }
    01564 }
    01565
    01566 static IniFile *IniLoadConfig()
    01567 {
    01568   IniFile *ini = new IniFile(_list_group_names);
    01569   ini->LoadFromDisk(_config_file, BASE_DIR);
    01570   return ini;
    01571 }
    01572
    01577 void LoadFromConfig(bool minimal)
    01578 {
    01579   IniFile *ini = IniLoadConfig();
    01580   if (!minimal) ResetCurrencies(false); // Initialize the array of currencies, without preserving the custom one
    01581
    01582   /* Load basic settings only during bootstrap, load other settings not during bootstrap */
    01583   HandleSettingDescs(ini, IniLoadSettings, IniLoadSettingList, minimal, !minimal);
    01584
    01585   if (!minimal) {
    01586     _grfconfig_newgame = GRFLoadConfig(ini, "newgrf", false);
    01587     _grfconfig_static  = GRFLoadConfig(ini, "newgrf-static", true);
    01588     AILoadConfig(ini, "ai_players");
    01589     GameLoadConfig(ini, "game_scripts");
    01590
    01591     PrepareOldDiffCustom();
    01592     IniLoadSettings(ini, _gameopt_settings, "gameopt", &_settings_newgame);
    01593     HandleOldDiffCustom(false);
    01594
    01595     ValidateSettings();
    01596
    01597     /* Display sheduled errors */
    01598     extern void ScheduleErrorMessage(ErrorList &datas);
    01599     ScheduleErrorMessage(_settings_error_list);
    01600     if (FindWindowById(WC_ERRMSG, 0) == NULL) ShowFirstError();
    01601   }
    01602
    01603   delete ini;
    01604 }
    01605
    01607 void SaveToConfig()
    01608 {
    01609   IniFile *ini = IniLoadConfig();
    01610
    01611   /* Remove some obsolete groups. These have all been loaded into other groups. */
    01612   ini->RemoveGroup("patches");
    01613   ini->RemoveGroup("yapf");
    01614   ini->RemoveGroup("gameopt");
    01615
    01616   HandleSettingDescs(ini, IniSaveSettings, IniSaveSettingList);
    01617   GRFSaveConfig(ini, "newgrf", _grfconfig_newgame);
    01618   GRFSaveConfig(ini, "newgrf-static", _grfconfig_static);
    01619   AISaveConfig(ini, "ai_players");
    01620   GameSaveConfig(ini, "game_scripts");
    01621   SaveVersionInConfig(ini);
    01622   ini->SaveToDisk(_config_file);
    01623   delete ini;
    01624 }
    01625
    01630 void GetGRFPresetList(GRFPresetList *list)
    01631 {
    01632   list->Clear();
    01633
    01634   IniFile *ini = IniLoadConfig();
    01635   IniGroup *group;
    01636   for (group = ini->group; group != NULL; group = group->next) {
    01637     if (strncmp(group->name, "preset-", 7) == 0) {
    01638       *list->Append() = strdup(group->name + 7);
    01639     }
    01640   }
    01641
    01642   delete ini;
    01643 }
    01644
    01651 GRFConfig *LoadGRFPresetFromConfig(const char *config_name)
    01652 {
    01653   char *section = (char*)alloca(strlen(config_name) + 8);
    01654   sprintf(section, "preset-%s", config_name);
    01655
    01656   IniFile *ini = IniLoadConfig();
    01657   GRFConfig *config = GRFLoadConfig(ini, section, false);
    01658   delete ini;
    01659
    01660   return config;
    01661 }
    01662
    01669 void SaveGRFPresetToConfig(const char *config_name, GRFConfig *config)
    01670 {
    01671   char *section = (char*)alloca(strlen(config_name) + 8);
    01672   sprintf(section, "preset-%s", config_name);
    01673
    01674   IniFile *ini = IniLoadConfig();
    01675   GRFSaveConfig(ini, section, config);
    01676   ini->SaveToDisk(_config_file);
    01677   delete ini;
    01678 }
    01679
    01684 void DeleteGRFPresetFromConfig(const char *config_name)
    01685 {
    01686   char *section = (char*)alloca(strlen(config_name) + 8);
    01687   sprintf(section, "preset-%s", config_name);
    01688
    01689   IniFile *ini = IniLoadConfig();
    01690   ini->RemoveGroup(section);
    01691   ini->SaveToDisk(_config_file);
    01692   delete ini;
    01693 }
    01694
    01695 const SettingDesc *GetSettingDescription(uint index)
    01696 {
    01697   if (index >= lengthof(_settings)) return NULL;
    01698   return &_settings[index];
    01699 }
    01700
    01712 CommandCost CmdChangeSetting(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01713 {
    01714   const SettingDesc *sd = GetSettingDescription(p1);
    01715
    01716   if (sd == NULL) return CMD_ERROR;
    01717   if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) return CMD_ERROR;
    01718
    01719   if (!sd->IsEditable(true)) return CMD_ERROR;
    01720
    01721   if (flags & DC_EXEC) {
    01722     void *var = GetVariableAddress(&GetGameSettings(), &sd->save);
    01723
    01724     int32 oldval = (int32)ReadValue(var, sd->save.conv);
    01725     int32 newval = (int32)p2;
    01726
    01727     Write_ValidateSetting(var, sd, newval);
    01728     newval = (int32)ReadValue(var, sd->save.conv);
    01729
    01730     if (oldval == newval) return CommandCost();
    01731
    01732     if (sd->desc.proc != NULL && !sd->desc.proc(newval)) {
    01733       WriteValue(var, sd->save.conv, (int64)oldval);
    01734       return CommandCost();
    01735     }
    01736
    01737     if (sd->desc.flags & SGF_NO_NETWORK) {
    01738       GamelogStartAction(GLAT_SETTING);
    01739       GamelogSetting(sd->desc.name, oldval, newval);
    01740       GamelogStopAction();
    01741     }
    01742
    01743     SetWindowClassesDirty(WC_GAME_OPTIONS);
    01744   }
    01745
    01746   return CommandCost();
    01747 }
    01748
    01759 CommandCost CmdChangeCompanySetting(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01760 {
    01761   if (p1 >= lengthof(_company_settings)) return CMD_ERROR;
    01762   const SettingDesc *sd = &_company_settings[p1];
    01763
    01764   if (flags & DC_EXEC) {
    01765     void *var = GetVariableAddress(&Company::Get(_current_company)->settings, &sd->save);
    01766
    01767     int32 oldval = (int32)ReadValue(var, sd->save.conv);
    01768     int32 newval = (int32)p2;
    01769
    01770     Write_ValidateSetting(var, sd, newval);
    01771     newval = (int32)ReadValue(var, sd->save.conv);
    01772
    01773     if (oldval == newval) return CommandCost();
    01774
    01775     if (sd->desc.proc != NULL && !sd->desc.proc(newval)) {
    01776       WriteValue(var, sd->save.conv, (int64)oldval);
    01777       return CommandCost();
    01778     }
    01779
    01780     SetWindowClassesDirty(WC_GAME_OPTIONS);
    01781   }
    01782
    01783   return CommandCost();
    01784 }
    01785
    01793 bool SetSettingValue(uint index, int32 value, bool force_newgame)
    01794 {
    01795   const SettingDesc *sd = &_settings[index];
    01796   /* If an item is company-based, we do not send it over the network
    01797    * (if any) to change. Also *hack*hack* we update the _newgame version
    01798    * of settings because changing a company-based setting in a game also
    01799    * changes its defaults. At least that is the convention we have chosen */
    01800   if (sd->save.conv & SLF_NO_NETWORK_SYNC) {
    01801     void *var = GetVariableAddress(&GetGameSettings(), &sd->save);
    01802     Write_ValidateSetting(var, sd, value);
    01803
    01804     if (_game_mode != GM_MENU) {
    01805       void *var2 = GetVariableAddress(&_settings_newgame, &sd->save);
    01806       Write_ValidateSetting(var2, sd, value);
    01807     }
    01808     if (sd->desc.proc != NULL) sd->desc.proc((int32)ReadValue(var, sd->save.conv));
    01809
    01810     SetWindowClassesDirty(WC_GAME_OPTIONS);
    01811
    01812     return true;
    01813   }
    01814
    01815   if (force_newgame) {
    01816     void *var2 = GetVariableAddress(&_settings_newgame, &sd->save);
    01817     Write_ValidateSetting(var2, sd, value);
    01818     return true;
    01819   }
    01820
    01821   /* send non-company-based settings over the network */
    01822   if (!_networking || (_networking && _network_server)) {
    01823     return DoCommandP(0, index, value, CMD_CHANGE_SETTING);
    01824   }
    01825   return false;
    01826 }
    01827
    01834 void SetCompanySetting(uint index, int32 value)
    01835 {
    01836   const SettingDesc *sd = &_company_settings[index];
    01837   if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
    01838     DoCommandP(0, index, value, CMD_CHANGE_COMPANY_SETTING);
    01839   } else {
    01840     void *var = GetVariableAddress(&_settings_client.company, &sd->save);
    01841     Write_ValidateSetting(var, sd, value);
    01842     if (sd->desc.proc != NULL) sd->desc.proc((int32)ReadValue(var, sd->save.conv));
    01843   }
    01844 }
    01845
    01849 void SetDefaultCompanySettings(CompanyID cid)
    01850 {
    01851   Company *c = Company::Get(cid);
    01852   const SettingDesc *sd;
    01853   for (sd = _company_settings; sd->save.cmd != SL_END; sd++) {
    01854     void *var = GetVariableAddress(&c->settings, &sd->save);
    01855     Write_ValidateSetting(var, sd, (int32)(size_t)sd->desc.def);
    01856   }
    01857 }
    01858
    01859 #if defined(ENABLE_NETWORK)
    01860
    01863 void SyncCompanySettings()
    01864 {
    01865   const SettingDesc *sd;
    01866   uint i = 0;
    01867   for (sd = _company_settings; sd->save.cmd != SL_END; sd++, i++) {
    01868     const void *old_var = GetVariableAddress(&Company::Get(_current_company)->settings, &sd->save);
    01869     const void *new_var = GetVariableAddress(&_settings_client.company, &sd->save);
    01870     uint32 old_value = (uint32)ReadValue(old_var, sd->save.conv);
    01871     uint32 new_value = (uint32)ReadValue(new_var, sd->save.conv);
    01872     if (old_value != new_value) NetworkSendCommand(0, i, new_value, CMD_CHANGE_COMPANY_SETTING, NULL, NULL, _local_company);
    01873   }
    01874 }
    01875 #endif /* ENABLE_NETWORK */
    01876
    01882 uint GetCompanySettingIndex(const char *name)
    01883 {
    01884   uint i;
    01885   const SettingDesc *sd = GetSettingFromName(name, &i);
    01886   assert(sd != NULL && (sd->desc.flags & SGF_PER_COMPANY) != 0);
    01887   return i;
    01888 }
    01889
    01897 bool SetSettingValue(uint index, const char *value, bool force_newgame)
    01898 {
    01899   const SettingDesc *sd = &_settings[index];
    01900   assert(sd->save.conv & SLF_NO_NETWORK_SYNC);
    01901
    01902   if (GetVarMemType(sd->save.conv) == SLE_VAR_STRQ) {
    01903     char **var = (char**)GetVariableAddress((_game_mode == GM_MENU || force_newgame) ? &_settings_newgame : &_settings_game, &sd->save);
    01904     free(*var);
    01905     *var = strcmp(value, "(null)") == 0 ? NULL : strdup(value);
    01906   } else {
    01907     char *var = (char*)GetVariableAddress(NULL, &sd->save);
    01908     ttd_strlcpy(var, value, sd->save.length);
    01909   }
    01910   if (sd->desc.proc != NULL) sd->desc.proc(0);
    01911
    01912   return true;
    01913 }
    01914
    01922 const SettingDesc *GetSettingFromName(const char *name, uint *i)
    01923 {
    01924   const SettingDesc *sd;
    01925
    01926   /* First check all full names */
    01927   for (*i = 0, sd = _settings; sd->save.cmd != SL_END; sd++, (*i)++) {
    01928     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    01929     if (strcmp(sd->desc.name, name) == 0) return sd;
    01930   }
    01931
    01932   /* Then check the shortcut variant of the name. */
    01933   for (*i = 0, sd = _settings; sd->save.cmd != SL_END; sd++, (*i)++) {
    01934     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    01935     const char *short_name = strchr(sd->desc.name, '.');
    01936     if (short_name != NULL) {
    01937       short_name++;
    01938       if (strcmp(short_name, name) == 0) return sd;
    01939     }
    01940   }
    01941
    01942   if (strncmp(name, "company.", 8) == 0) name += 8;
    01943   /* And finally the company-based settings */
    01944   for (*i = 0, sd = _company_settings; sd->save.cmd != SL_END; sd++, (*i)++) {
    01945     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    01946     if (strcmp(sd->desc.name, name) == 0) return sd;
    01947   }
    01948
    01949   return NULL;
    01950 }
    01951
    01952 /* Those 2 functions need to be here, else we have to make some stuff non-static
    01953  * and besides, it is also better to keep stuff like this at the same place */
    01954 void IConsoleSetSetting(const char *name, const char *value, bool force_newgame)
    01955 {
    01956   uint index;
    01957   const SettingDesc *sd = GetSettingFromName(name, &index);
    01958
    01959   if (sd == NULL) {
    01960     IConsolePrintF(CC_WARNING, "'%s' is an unknown setting.", name);
    01961     return;
    01962   }
    01963
    01964   bool success;
    01965   if (sd->desc.cmd == SDT_STRING) {
    01966     success = SetSettingValue(index, value, force_newgame);
    01967   } else {
    01968     uint32 val;
    01969     extern bool GetArgumentInteger(uint32 *value, const char *arg);
    01970     success = GetArgumentInteger(&val, value);
    01971     if (!success) {
    01972       IConsolePrintF(CC_ERROR, "'%s' is not an integer.", value);
    01973       return;
    01974     }
    01975
    01976     success = SetSettingValue(index, val, force_newgame);
    01977   }
    01978
    01979   if (!success) {
    01980     if (_network_server) {
    01981       IConsoleError("This command/variable is not available during network games.");
    01982     } else {
    01983       IConsoleError("This command/variable is only available to a network server.");
    01984     }
    01985   }
    01986 }
    01987
    01988 void IConsoleSetSetting(const char *name, int value)
    01989 {
    01990   uint index;
    01991   const SettingDesc *sd = GetSettingFromName(name, &index);
    01992   assert(sd != NULL);
    01993   SetSettingValue(index, value);
    01994 }
    01995
    02001 void IConsoleGetSetting(const char *name, bool force_newgame)
    02002 {
    02003   char value[20];
    02004   uint index;
    02005   const SettingDesc *sd = GetSettingFromName(name, &index);
    02006   const void *ptr;
    02007
    02008   if (sd == NULL) {
    02009     IConsolePrintF(CC_WARNING, "'%s' is an unknown setting.", name);
    02010     return;
    02011   }
    02012
    02013   ptr = GetVariableAddress((_game_mode == GM_MENU || force_newgame) ? &_settings_newgame : &_settings_game, &sd->save);
    02014
    02015   if (sd->desc.cmd == SDT_STRING) {
    02016     IConsolePrintF(CC_WARNING, "Current value for '%s' is: '%s'", name, (GetVarMemType(sd->save.conv) == SLE_VAR_STRQ) ? *(const char * const *)ptr : (const char *)ptr);
    02017   } else {
    02018     if (sd->desc.cmd == SDT_BOOLX) {
    02019       snprintf(value, sizeof(value), (*(const bool*)ptr != 0) ? "on" : "off");
    02020     } else {
    02021       snprintf(value, sizeof(value), sd->desc.min < 0 ? "%d" : "%u", (int32)ReadValue(ptr, sd->save.conv));
    02022     }
    02023
    02024     IConsolePrintF(CC_WARNING, "Current value for '%s' is: '%s' (min: %s%d, max: %u)",
    02025       name, value, (sd->desc.flags & SGF_0ISDISABLED) ? "(0) " : "", sd->desc.min, sd->desc.max);
    02026   }
    02027 }
    02028
    02034 void IConsoleListSettings(const char *prefilter)
    02035 {
    02036   IConsolePrintF(CC_WARNING, "All settings with their current value:");
    02037
    02038   for (const SettingDesc *sd = _settings; sd->save.cmd != SL_END; sd++) {
    02039     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    02040     if (prefilter != NULL && strstr(sd->desc.name, prefilter) == NULL) continue;
    02041     char value[80];
    02042     const void *ptr = GetVariableAddress(&GetGameSettings(), &sd->save);
    02043
    02044     if (sd->desc.cmd == SDT_BOOLX) {
    02045       snprintf(value, lengthof(value), (*(const bool *)ptr != 0) ? "on" : "off");
    02046     } else if (sd->desc.cmd == SDT_STRING) {
    02047       snprintf(value, sizeof(value), "%s", (GetVarMemType(sd->save.conv) == SLE_VAR_STRQ) ? *(const char * const *)ptr : (const char *)ptr);
    02048     } else {
    02049       snprintf(value, lengthof(value), sd->desc.min < 0 ? "%d" : "%u", (int32)ReadValue(ptr, sd->save.conv));
    02050     }
    02051     IConsolePrintF(CC_DEFAULT, "%s = %s", sd->desc.name, value);
    02052   }
    02053
    02054   IConsolePrintF(CC_WARNING, "Use 'setting' command to change a value");
    02055 }
    02056
    02063 static void LoadSettings(const SettingDesc *osd, void *object)
    02064 {
    02065   for (; osd->save.cmd != SL_END; osd++) {
    02066     const SaveLoad *sld = &osd->save;
    02067     void *ptr = GetVariableAddress(object, sld);
    02068
    02069     if (!SlObjectMember(ptr, sld)) continue;
    02070     if (IsNumericType(sld->conv)) Write_ValidateSetting(ptr, osd, ReadValue(ptr, sld->conv));
    02071   }
    02072 }
    02073
    02080 static void SaveSettings(const SettingDesc *sd, void *object)
    02081 {
    02082   /* We need to write the CH_RIFF header, but unfortunately can't call
    02083    * SlCalcLength() because we have a different format. So do this manually */
    02084   const SettingDesc *i;
    02085   size_t length = 0;
    02086   for (i = sd; i->save.cmd != SL_END; i++) {
    02087     length += SlCalcObjMemberLength(object, &i->save);
    02088   }
    02089   SlSetLength(length);
    02090
    02091   for (i = sd; i->save.cmd != SL_END; i++) {
    02092     void *ptr = GetVariableAddress(object, &i->save);
    02093     SlObjectMember(ptr, &i->save);
    02094   }
    02095 }
    02096
    02097 static void Load_OPTS()
    02098 {
    02099   /* Copy over default setting since some might not get loaded in
    02100    * a networking environment. This ensures for example that the local
    02101    * autosave-frequency stays when joining a network-server */
    02102   PrepareOldDiffCustom();
    02103   LoadSettings(_gameopt_settings, &_settings_game);
    02104   HandleOldDiffCustom(true);
    02105 }
    02106
    02107 static void Load_PATS()
    02108 {
    02109   /* Copy over default setting since some might not get loaded in
    02110    * a networking environment. This ensures for example that the local
    02111    * currency setting stays when joining a network-server */
    02112   LoadSettings(_settings, &_settings_game);
    02113 }
    02114
    02115 static void Check_PATS()
    02116 {
    02117   LoadSettings(_settings, &_load_check_data.settings);
    02118 }
    02119
    02120 static void Save_PATS()
    02121 {
    02122   SaveSettings(_settings, &_settings_game);
    02123 }
    02124
    02125 void CheckConfig()
    02126 {
    02127   /*
    02128    * Increase old default values for pf_maxdepth and pf_maxlength
    02129    * to support big networks.
    02130    */
    02131   if (_settings_newgame.pf.opf.pf_maxdepth == 16 && _settings_newgame.pf.opf.pf_maxlength == 512) {
    02132     _settings_newgame.pf.opf.pf_maxdepth = 48;
    02133     _settings_newgame.pf.opf.pf_maxlength = 4096;
    02134   }
    02135 }
    02136
    02137 extern const ChunkHandler _setting_chunk_handlers[] = {
    02138   { 'OPTS', NULL,      Load_OPTS, NULL, NULL,       CH_RIFF},
    02139   { 'PATS', Save_PATS, Load_PATS, NULL, Check_PATS, CH_RIFF | CH_LAST},
    02140 };
    02141
    02142 static bool IsSignedVarMemType(VarType vt)
    02143 {
    02144   switch (GetVarMemType(vt)) {
    02145     case SLE_VAR_I8:
    02146     case SLE_VAR_I16:
    02147     case SLE_VAR_I32:
    02148     case SLE_VAR_I64:
    02149       return true;
    02150   }
    02151   return false;
    02152 }