settings.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 
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 "gui.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 "ship.h"
00061 #include "smallmap_gui.h"
00062 #include "roadveh.h"
00063 #include "fios.h"
00064 #include "company_manager_face.h"
00065 #include "infrastructure_func.h"
00066 #include "strings_func.h"
00067 #include "trafficlight_func.h"
00068 
00069 #include "void_map.h"
00070 #include "station_base.h"
00071 
00072 #include "table/strings.h"
00073 #include "table/settings.h"
00074 
00075 ClientSettings _settings_client;
00076 GameSettings _settings_game;     
00077 GameSettings _settings_newgame;  
00078 VehicleDefaultSettings _old_vds; 
00079 char *_config_file; 
00080 
00081 typedef void SettingDescProc(IniFile *ini, const SettingDesc *desc, const char *grpname, void *object);
00082 typedef void SettingDescProcList(IniFile *ini, const char *grpname, StringList *list);
00083 
00084 static bool IsSignedVarMemType(VarType vt);
00085 
00089 static const char * const _list_group_names[] = {
00090   "bans",
00091   "newgrf",
00092   "servers",
00093   "server_bind_addresses",
00094   NULL
00095 };
00096 
00104 static size_t LookupOneOfMany(const char *many, const char *one, size_t onelen = 0)
00105 {
00106   const char *s;
00107   size_t idx;
00108 
00109   if (onelen == 0) onelen = strlen(one);
00110 
00111   /* check if it's an integer */
00112   if (*one >= '0' && *one <= '9') return strtoul(one, NULL, 0);
00113 
00114   idx = 0;
00115   for (;;) {
00116     /* find end of item */
00117     s = many;
00118     while (*s != '|' && *s != 0) s++;
00119     if ((size_t)(s - many) == onelen && !memcmp(one, many, onelen)) return idx;
00120     if (*s == 0) return (size_t)-1;
00121     many = s + 1;
00122     idx++;
00123   }
00124 }
00125 
00133 static size_t LookupManyOfMany(const char *many, const char *str)
00134 {
00135   const char *s;
00136   size_t r;
00137   size_t res = 0;
00138 
00139   for (;;) {
00140     /* skip "whitespace" */
00141     while (*str == ' ' || *str == '\t' || *str == '|') str++;
00142     if (*str == 0) break;
00143 
00144     s = str;
00145     while (*s != 0 && *s != ' ' && *s != '\t' && *s != '|') s++;
00146 
00147     r = LookupOneOfMany(many, str, s - str);
00148     if (r == (size_t)-1) return r;
00149 
00150     SetBit(res, r); // value found, set it
00151     if (*s == 0) break;
00152     str = s + 1;
00153   }
00154   return res;
00155 }
00156 
00165 static int ParseIntList(const char *p, int *items, int maxitems)
00166 {
00167   int n = 0; // number of items read so far
00168   bool comma = false; // do we accept comma?
00169 
00170   while (*p != '\0') {
00171     switch (*p) {
00172       case ',':
00173         /* Do not accept multiple commas between numbers */
00174         if (!comma) return -1;
00175         comma = false;
00176         /* FALL THROUGH */
00177       case ' ':
00178         p++;
00179         break;
00180 
00181       default: {
00182         if (n == maxitems) return -1; // we don't accept that many numbers
00183         char *end;
00184         long v = strtol(p, &end, 0);
00185         if (p == end) return -1; // invalid character (not a number)
00186         if (sizeof(int) < sizeof(long)) v = ClampToI32(v);
00187         items[n++] = v;
00188         p = end; // first non-number
00189         comma = true; // we accept comma now
00190         break;
00191       }
00192     }
00193   }
00194 
00195   /* If we have read comma but no number after it, fail.
00196    * We have read comma when (n != 0) and comma is not allowed */
00197   if (n != 0 && !comma) return -1;
00198 
00199   return n;
00200 }
00201 
00210 static bool LoadIntList(const char *str, void *array, int nelems, VarType type)
00211 {
00212   int items[64];
00213   int i, nitems;
00214 
00215   if (str == NULL) {
00216     memset(items, 0, sizeof(items));
00217     nitems = nelems;
00218   } else {
00219     nitems = ParseIntList(str, items, lengthof(items));
00220     if (nitems != nelems) return false;
00221   }
00222 
00223   switch (type) {
00224   case SLE_VAR_BL:
00225   case SLE_VAR_I8:
00226   case SLE_VAR_U8:
00227     for (i = 0; i != nitems; i++) ((byte*)array)[i] = items[i];
00228     break;
00229   case SLE_VAR_I16:
00230   case SLE_VAR_U16:
00231     for (i = 0; i != nitems; i++) ((uint16*)array)[i] = items[i];
00232     break;
00233   case SLE_VAR_I32:
00234   case SLE_VAR_U32:
00235     for (i = 0; i != nitems; i++) ((uint32*)array)[i] = items[i];
00236     break;
00237   default: NOT_REACHED();
00238   }
00239 
00240   return true;
00241 }
00242 
00252 static void MakeIntList(char *buf, const char *last, const void *array, int nelems, VarType type)
00253 {
00254   int i, v = 0;
00255   byte *p = (byte*)array;
00256 
00257   for (i = 0; i != nelems; i++) {
00258     switch (type) {
00259     case SLE_VAR_BL:
00260     case SLE_VAR_I8:  v = *(int8*)p;   p += 1; break;
00261     case SLE_VAR_U8:  v = *(byte*)p;   p += 1; break;
00262     case SLE_VAR_I16: v = *(int16*)p;  p += 2; break;
00263     case SLE_VAR_U16: v = *(uint16*)p; p += 2; break;
00264     case SLE_VAR_I32: v = *(int32*)p;  p += 4; break;
00265     case SLE_VAR_U32: v = *(uint32*)p; p += 4; break;
00266     default: NOT_REACHED();
00267     }
00268     buf += seprintf(buf, last, (i == 0) ? "%d" : ",%d", v);
00269   }
00270 }
00271 
00279 static void MakeOneOfMany(char *buf, const char *last, const char *many, int id)
00280 {
00281   int orig_id = id;
00282 
00283   /* Look for the id'th element */
00284   while (--id >= 0) {
00285     for (; *many != '|'; many++) {
00286       if (*many == '\0') { // not found
00287         seprintf(buf, last, "%d", orig_id);
00288         return;
00289       }
00290     }
00291     many++; // pass the |-character
00292   }
00293 
00294   /* copy string until next item (|) or the end of the list if this is the last one */
00295   while (*many != '\0' && *many != '|' && buf < last) *buf++ = *many++;
00296   *buf = '\0';
00297 }
00298 
00307 static void MakeManyOfMany(char *buf, const char *last, const char *many, uint32 x)
00308 {
00309   const char *start;
00310   int i = 0;
00311   bool init = true;
00312 
00313   for (; x != 0; x >>= 1, i++) {
00314     start = many;
00315     while (*many != 0 && *many != '|') many++; // advance to the next element
00316 
00317     if (HasBit(x, 0)) { // item found, copy it
00318       if (!init) buf += seprintf(buf, last, "|");
00319       init = false;
00320       if (start == many) {
00321         buf += seprintf(buf, last, "%d", i);
00322       } else {
00323         memcpy(buf, start, many - start);
00324         buf += many - start;
00325       }
00326     }
00327 
00328     if (*many == '|') many++;
00329   }
00330 
00331   *buf = '\0';
00332 }
00333 
00340 static const void *StringToVal(const SettingDescBase *desc, const char *orig_str)
00341 {
00342   const char *str = orig_str == NULL ? "" : orig_str;
00343   switch (desc->cmd) {
00344   case SDT_NUMX: {
00345     char *end;
00346     size_t val = strtoul(str, &end, 0);
00347     if (*end != '\0') ShowInfoF("ini: trailing characters at end of setting '%s'", desc->name);
00348     return (void*)val;
00349   }
00350   case SDT_ONEOFMANY: {
00351     size_t r = LookupOneOfMany(desc->many, str);
00352     /* if the first attempt of conversion from string to the appropriate value fails,
00353      * look if we have defined a converter from old value to new value. */
00354     if (r == (size_t)-1 && desc->proc_cnvt != NULL) r = desc->proc_cnvt(str);
00355     if (r != (size_t)-1) return (void*)r; // and here goes converted value
00356     ShowInfoF("ini: invalid value '%s' for '%s'", str, desc->name); // sorry, we failed
00357     return 0;
00358   }
00359   case SDT_MANYOFMANY: {
00360     size_t r = LookupManyOfMany(desc->many, str);
00361     if (r != (size_t)-1) return (void*)r;
00362     ShowInfoF("ini: invalid value '%s' for '%s'", str, desc->name);
00363     return NULL;
00364   }
00365   case SDT_BOOLX:
00366     if (strcmp(str, "true")  == 0 || strcmp(str, "on")  == 0 || strcmp(str, "1") == 0) return (void*)true;
00367     if (strcmp(str, "false") == 0 || strcmp(str, "off") == 0 || strcmp(str, "0") == 0) return (void*)false;
00368     ShowInfoF("ini: invalid setting value '%s' for '%s'", str, desc->name);
00369     break;
00370 
00371   case SDT_STRING: return orig_str;
00372   case SDT_INTLIST: return str;
00373   default: break;
00374   }
00375 
00376   return NULL;
00377 }
00378 
00388 static void Write_ValidateSetting(void *ptr, const SettingDesc *sd, int32 val)
00389 {
00390   const SettingDescBase *sdb = &sd->desc;
00391 
00392   if (sdb->cmd != SDT_BOOLX &&
00393       sdb->cmd != SDT_NUMX &&
00394       sdb->cmd != SDT_ONEOFMANY &&
00395       sdb->cmd != SDT_MANYOFMANY) {
00396     return;
00397   }
00398 
00399   /* We cannot know the maximum value of a bitset variable, so just have faith */
00400   if (sdb->cmd != SDT_MANYOFMANY) {
00401     /* We need to take special care of the uint32 type as we receive from the function
00402      * a signed integer. While here also bail out on 64-bit settings as those are not
00403      * supported. Unsigned 8 and 16-bit variables are safe since they fit into a signed
00404      * 32-bit variable
00405      * TODO: Support 64-bit settings/variables */
00406     switch (GetVarMemType(sd->save.conv)) {
00407       case SLE_VAR_NULL: return;
00408       case SLE_VAR_BL:
00409       case SLE_VAR_I8:
00410       case SLE_VAR_U8:
00411       case SLE_VAR_I16:
00412       case SLE_VAR_U16:
00413       case SLE_VAR_I32: {
00414         /* Override the minimum value. No value below sdb->min, except special value 0 */
00415         if (!(sdb->flags & SGF_0ISDISABLED) || val != 0) val = Clamp(val, sdb->min, sdb->max);
00416         break;
00417       }
00418       case SLE_VAR_U32: {
00419         /* Override the minimum value. No value below sdb->min, except special value 0 */
00420         uint min = ((sdb->flags & SGF_0ISDISABLED) && (uint)val <= (uint)sdb->min) ? 0 : sdb->min;
00421         WriteValue(ptr, SLE_VAR_U32, (int64)ClampU(val, min, sdb->max));
00422         return;
00423       }
00424       case SLE_VAR_I64:
00425       case SLE_VAR_U64:
00426       default: NOT_REACHED();
00427     }
00428   }
00429 
00430   WriteValue(ptr, sd->save.conv, (int64)val);
00431 }
00432 
00441 static void IniLoadSettings(IniFile *ini, const SettingDesc *sd, const char *grpname, void *object)
00442 {
00443   IniGroup *group;
00444   IniGroup *group_def = ini->GetGroup(grpname);
00445   IniItem *item;
00446   const void *p;
00447   void *ptr;
00448   const char *s;
00449 
00450   for (; sd->save.cmd != SL_END; sd++) {
00451     const SettingDescBase *sdb = &sd->desc;
00452     const SaveLoad        *sld = &sd->save;
00453 
00454     if (!SlIsObjectCurrentlyValid(sld->version_from, sld->version_to)) continue;
00455 
00456     /* For settings.xx.yy load the settings from [xx] yy = ? */
00457     s = strchr(sdb->name, '.');
00458     if (s != NULL) {
00459       group = ini->GetGroup(sdb->name, s - sdb->name);
00460       s++;
00461     } else {
00462       s = sdb->name;
00463       group = group_def;
00464     }
00465 
00466     item = group->GetItem(s, false);
00467     if (item == NULL && group != group_def) {
00468       /* For settings.xx.yy load the settings from [settingss] yy = ? in case the previous
00469        * did not exist (e.g. loading old config files with a [settings] section */
00470       item = group_def->GetItem(s, false);
00471     }
00472     if (item == NULL) {
00473       /* For settings.xx.zz.yy load the settings from [zz] yy = ? in case the previous
00474        * did not exist (e.g. loading old config files with a [yapf] section */
00475       const char *sc = strchr(s, '.');
00476       if (sc != NULL) item = ini->GetGroup(s, sc - s)->GetItem(sc + 1, false);
00477     }
00478 
00479     p = (item == NULL) ? sdb->def : StringToVal(sdb, item->value);
00480     ptr = GetVariableAddress(object, sld);
00481 
00482     switch (sdb->cmd) {
00483     case SDT_BOOLX: // All four are various types of (integer) numbers
00484     case SDT_NUMX:
00485     case SDT_ONEOFMANY:
00486     case SDT_MANYOFMANY:
00487       Write_ValidateSetting(ptr, sd, (int32)(size_t)p); break;
00488 
00489     case SDT_STRING:
00490       switch (GetVarMemType(sld->conv)) {
00491         case SLE_VAR_STRB:
00492         case SLE_VAR_STRBQ:
00493           if (p != NULL) ttd_strlcpy((char*)ptr, (const char*)p, sld->length);
00494           break;
00495         case SLE_VAR_STR:
00496         case SLE_VAR_STRQ:
00497           free(*(char**)ptr);
00498           *(char**)ptr = p == NULL ? NULL : strdup((const char*)p);
00499           break;
00500         case SLE_VAR_CHAR: if (p != NULL) *(char*)ptr = *(char*)p; break;
00501         default: NOT_REACHED();
00502       }
00503       break;
00504 
00505     case SDT_INTLIST: {
00506       if (!LoadIntList((const char*)p, ptr, sld->length, GetVarMemType(sld->conv))) {
00507         ShowInfoF("ini: error in array '%s'", sdb->name);
00508       } else if (sd->desc.proc_cnvt != NULL) {
00509         sd->desc.proc_cnvt((const char*)p);
00510       }
00511       break;
00512     }
00513     default: NOT_REACHED();
00514     }
00515   }
00516 }
00517 
00530 static void IniSaveSettings(IniFile *ini, const SettingDesc *sd, const char *grpname, void *object)
00531 {
00532   IniGroup *group_def = NULL, *group;
00533   IniItem *item;
00534   char buf[512];
00535   const char *s;
00536   void *ptr;
00537 
00538   for (; sd->save.cmd != SL_END; sd++) {
00539     const SettingDescBase *sdb = &sd->desc;
00540     const SaveLoad        *sld = &sd->save;
00541 
00542     /* If the setting is not saved to the configuration
00543      * file, just continue with the next setting */
00544     if (!SlIsObjectCurrentlyValid(sld->version_from, sld->version_to)) continue;
00545     if (sld->conv & SLF_NOT_IN_CONFIG) continue;
00546 
00547     /* XXX - wtf is this?? (group override?) */
00548     s = strchr(sdb->name, '.');
00549     if (s != NULL) {
00550       group = ini->GetGroup(sdb->name, s - sdb->name);
00551       s++;
00552     } else {
00553       if (group_def == NULL) group_def = ini->GetGroup(grpname);
00554       s = sdb->name;
00555       group = group_def;
00556     }
00557 
00558     item = group->GetItem(s, true);
00559     ptr = GetVariableAddress(object, sld);
00560 
00561     if (item->value != NULL) {
00562       /* check if the value is the same as the old value */
00563       const void *p = StringToVal(sdb, item->value);
00564 
00565       /* The main type of a variable/setting is in bytes 8-15
00566        * The subtype (what kind of numbers do we have there) is in 0-7 */
00567       switch (sdb->cmd) {
00568       case SDT_BOOLX:
00569       case SDT_NUMX:
00570       case SDT_ONEOFMANY:
00571       case SDT_MANYOFMANY:
00572         switch (GetVarMemType(sld->conv)) {
00573         case SLE_VAR_BL:
00574           if (*(bool*)ptr == (p != NULL)) continue;
00575           break;
00576         case SLE_VAR_I8:
00577         case SLE_VAR_U8:
00578           if (*(byte*)ptr == (byte)(size_t)p) continue;
00579           break;
00580         case SLE_VAR_I16:
00581         case SLE_VAR_U16:
00582           if (*(uint16*)ptr == (uint16)(size_t)p) continue;
00583           break;
00584         case SLE_VAR_I32:
00585         case SLE_VAR_U32:
00586           if (*(uint32*)ptr == (uint32)(size_t)p) continue;
00587           break;
00588         default: NOT_REACHED();
00589         }
00590         break;
00591       default: break; // Assume the other types are always changed
00592       }
00593     }
00594 
00595     /* Value has changed, get the new value and put it into a buffer */
00596     switch (sdb->cmd) {
00597     case SDT_BOOLX:
00598     case SDT_NUMX:
00599     case SDT_ONEOFMANY:
00600     case SDT_MANYOFMANY: {
00601       uint32 i = (uint32)ReadValue(ptr, sld->conv);
00602 
00603       switch (sdb->cmd) {
00604       case SDT_BOOLX:      strecpy(buf, (i != 0) ? "true" : "false", lastof(buf)); break;
00605       case SDT_NUMX:       seprintf(buf, lastof(buf), IsSignedVarMemType(sld->conv) ? "%d" : "%u", i); break;
00606       case SDT_ONEOFMANY:  MakeOneOfMany(buf, lastof(buf), sdb->many, i); break;
00607       case SDT_MANYOFMANY: MakeManyOfMany(buf, lastof(buf), sdb->many, i); break;
00608       default: NOT_REACHED();
00609       }
00610       break;
00611     }
00612 
00613     case SDT_STRING:
00614       switch (GetVarMemType(sld->conv)) {
00615       case SLE_VAR_STRB: strecpy(buf, (char*)ptr, lastof(buf)); break;
00616       case SLE_VAR_STRBQ:seprintf(buf, lastof(buf), "\"%s\"", (char*)ptr); break;
00617       case SLE_VAR_STR:  strecpy(buf, *(char**)ptr, lastof(buf)); break;
00618       case SLE_VAR_STRQ:
00619         if (*(char**)ptr == NULL) {
00620           buf[0] = '\0';
00621         } else {
00622           seprintf(buf, lastof(buf), "\"%s\"", *(char**)ptr);
00623         }
00624         break;
00625       case SLE_VAR_CHAR: buf[0] = *(char*)ptr; buf[1] = '\0'; break;
00626       default: NOT_REACHED();
00627       }
00628       break;
00629 
00630     case SDT_INTLIST:
00631       MakeIntList(buf, lastof(buf), ptr, sld->length, GetVarMemType(sld->conv));
00632       break;
00633     default: NOT_REACHED();
00634     }
00635 
00636     /* The value is different, that means we have to write it to the ini */
00637     free(item->value);
00638     item->value = strdup(buf);
00639   }
00640 }
00641 
00651 static void IniLoadSettingList(IniFile *ini, const char *grpname, StringList *list)
00652 {
00653   IniGroup *group = ini->GetGroup(grpname);
00654 
00655   if (group == NULL || list == NULL) return;
00656 
00657   list->Clear();
00658 
00659   for (const IniItem *item = group->item; item != NULL; item = item->next) {
00660     if (item->name != NULL) *list->Append() = strdup(item->name);
00661   }
00662 }
00663 
00673 static void IniSaveSettingList(IniFile *ini, const char *grpname, StringList *list)
00674 {
00675   IniGroup *group = ini->GetGroup(grpname);
00676 
00677   if (group == NULL || list == NULL) return;
00678   group->Clear();
00679 
00680   for (char **iter = list->Begin(); iter != list->End(); iter++) {
00681     group->GetItem(*iter, true)->SetValue("");
00682   }
00683 }
00684 
00685 /* Begin - Callback Functions for the various settings. */
00686 
00688 static bool v_PositionMainToolbar(int32 p1)
00689 {
00690   if (_game_mode != GM_MENU) PositionMainToolbar(NULL);
00691   return true;
00692 }
00693 
00695 static bool v_PositionStatusbar(int32 p1)
00696 {
00697   if (_game_mode != GM_MENU) {
00698     PositionStatusbar(NULL);
00699     PositionNewsMessage(NULL);
00700     PositionNetworkChatWindow(NULL);
00701   }
00702   return true;
00703 }
00704 
00705 static bool PopulationInLabelActive(int32 p1)
00706 {
00707   UpdateAllTownVirtCoords();
00708   return true;
00709 }
00710 
00711 static bool RedrawScreen(int32 p1)
00712 {
00713   MarkWholeScreenDirty();
00714   return true;
00715 }
00716 
00722 static bool RedrawSmallmap(int32 p1)
00723 {
00724   BuildLandLegend();
00725   BuildOwnerLegend();
00726   SetWindowClassesDirty(WC_SMALLMAP);
00727   return true;
00728 }
00729 
00730 static bool InvalidateDetailsWindow(int32 p1)
00731 {
00732   SetWindowClassesDirty(WC_VEHICLE_DETAILS);
00733   return true;
00734 }
00735 
00736 static bool InvalidateStationBuildWindow(int32 p1)
00737 {
00738   SetWindowDirty(WC_BUILD_STATION, 0);
00739   return true;
00740 }
00741 
00742 static bool InvalidateBuildIndustryWindow(int32 p1)
00743 {
00744   InvalidateWindowData(WC_BUILD_INDUSTRY, 0);
00745   return true;
00746 }
00747 
00748 static bool CloseSignalGUI(int32 p1)
00749 {
00750   if (p1 == 0) {
00751     DeleteWindowByClass(WC_BUILD_SIGNAL);
00752   }
00753   return true;
00754 }
00755 
00756 static bool InvalidateTownViewWindow(int32 p1)
00757 {
00758   InvalidateWindowClassesData(WC_TOWN_VIEW, p1);
00759   return true;
00760 }
00761 
00762 static bool DeleteSelectStationWindow(int32 p1)
00763 {
00764   DeleteWindowById(WC_SELECT_STATION, 0);
00765   return true;
00766 }
00767 
00768 static bool UpdateConsists(int32 p1)
00769 {
00770   Train *t;
00771   FOR_ALL_TRAINS(t) {
00772     /* Update the consist of all trains so the maximum speed is set correctly. */
00773     if (t->IsFrontEngine() || t->IsFreeWagon()) t->ConsistChanged(true);
00774   }
00775   return true;
00776 }
00777 
00778 /* Check service intervals of vehicles, p1 is value of % or day based servicing */
00779 static bool CheckInterval(int32 p1)
00780 {
00781   VehicleDefaultSettings *vds;
00782   if (_game_mode == GM_MENU || !Company::IsValidID(_current_company)) {
00783     vds = &_settings_client.company.vehicle;
00784   } else {
00785     vds = &Company::Get(_current_company)->settings.vehicle;
00786   }
00787 
00788   if (p1 != 0) {
00789     vds->servint_trains   = 50;
00790     vds->servint_roadveh  = 50;
00791     vds->servint_aircraft = 50;
00792     vds->servint_ships    = 50;
00793   } else {
00794     vds->servint_trains   = 150;
00795     vds->servint_roadveh  = 150;
00796     vds->servint_aircraft = 100;
00797     vds->servint_ships    = 360;
00798   }
00799 
00800   InvalidateDetailsWindow(0);
00801 
00802   return true;
00803 }
00804 
00805 static bool TrainAccelerationModelChanged(int32 p1)
00806 {
00807   Train *t;
00808   FOR_ALL_TRAINS(t) {
00809     if (t->IsFrontEngine()) {
00810       t->tcache.cached_max_curve_speed = t->GetCurveSpeedLimit();
00811       t->UpdateAcceleration();
00812     }
00813   }
00814 
00815   /* These windows show acceleration values only when realistic acceleration is on. They must be redrawn after a setting change. */
00816   SetWindowClassesDirty(WC_ENGINE_PREVIEW);
00817   InvalidateWindowClassesData(WC_BUILD_VEHICLE, 0);
00818   SetWindowClassesDirty(WC_VEHICLE_DETAILS);
00819 
00820   return true;
00821 }
00822 
00828 static bool TrainSlopeSteepnessChanged(int32 p1)
00829 {
00830   Train *t;
00831   FOR_ALL_TRAINS(t) {
00832     if (t->IsFrontEngine()) t->CargoChanged();
00833   }
00834 
00835   return true;
00836 }
00837 
00843 static bool RoadVehAccelerationModelChanged(int32 p1)
00844 {
00845   if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) {
00846     RoadVehicle *rv;
00847     FOR_ALL_ROADVEHICLES(rv) {
00848       if (rv->IsFrontEngine()) {
00849         rv->CargoChanged();
00850       }
00851     }
00852   }
00853 
00854   /* These windows show acceleration values only when realistic acceleration is on. They must be redrawn after a setting change. */
00855   SetWindowClassesDirty(WC_ENGINE_PREVIEW);
00856   InvalidateWindowClassesData(WC_BUILD_VEHICLE, 0);
00857   SetWindowClassesDirty(WC_VEHICLE_DETAILS);
00858 
00859   return true;
00860 }
00861 
00867 static bool RoadVehSlopeSteepnessChanged(int32 p1)
00868 {
00869   RoadVehicle *rv;
00870   FOR_ALL_ROADVEHICLES(rv) {
00871     if (rv->IsFrontEngine()) rv->CargoChanged();
00872   }
00873 
00874   return true;
00875 }
00876 
00877 static bool DragSignalsDensityChanged(int32)
00878 {
00879   InvalidateWindowData(WC_BUILD_SIGNAL, 0);
00880 
00881   return true;
00882 }
00883 
00884 static bool TownFoundingChanged(int32 p1)
00885 {
00886   if (_game_mode != GM_EDITOR && _settings_game.economy.found_town == TF_FORBIDDEN) {
00887     DeleteWindowById(WC_FOUND_TOWN, 0);
00888     return true;
00889   }
00890   InvalidateWindowData(WC_FOUND_TOWN, 0);
00891   return true;
00892 }
00893 
00894 static bool InvalidateVehTimetableWindow(int32 p1)
00895 {
00896   InvalidateWindowClassesData(WC_VEHICLE_TIMETABLE, -2);
00897   return true;
00898 }
00899 
00907 static bool InvalidateNewGRFChangeWindows(int32 p1)
00908 {
00909   InvalidateWindowClassesData(WC_SAVELOAD);
00910   DeleteWindowByClass(WC_GAME_OPTIONS);
00911   ReInitAllWindows();
00912   return true;
00913 }
00914 
00915 static bool InvalidateCompanyLiveryWindow(int32 p1)
00916 {
00917   InvalidateWindowClassesData(WC_COMPANY_COLOUR);
00918   return RedrawScreen(p1);
00919 }
00920 
00921 static bool InvalidateIndustryViewWindow(int32 p1)
00922 {
00923   InvalidateWindowClassesData(WC_INDUSTRY_VIEW);
00924   return true;
00925 }
00926 
00932 static bool RedrawTownAuthority(int32 p1)
00933 {
00934   SetWindowClassesDirty(WC_TOWN_AUTHORITY);
00935   return true;
00936 }
00937 
00943 static bool InvalidateCompanyInfrastructureWindow(int32 p1)
00944 {
00945   InvalidateWindowClassesData(WC_COMPANY_INFRASTRUCTURE);
00946   return true;
00947 }
00948 
00949 /*
00950  * A: competitors
00951  * B: competitor start time. Deprecated since savegame version 110.
00952  * C: town count (3 = high, 0 = very low)
00953  * D: industry count (4 = high, 0 = none)
00954  * E: inital loan (in GBP)
00955  * F: interest rate
00956  * G: running costs (0 = low, 2 = high)
00957  * H: construction speed of competitors (0 = very slow, 4 = very fast)
00958  * I: competitor intelligence. Deprecated since savegame version 110.
00959  * J: breakdowns (0 = off, 2 = normal)
00960  * K: subsidy multiplier (0 = 1.5, 3 = 4.0)
00961  * L: construction cost (0-2)
00962  * M: terrain type (0 = very flat, 6 = alpinist)
00963  * N: amount of water (0 = very low, 3 = high)
00964  * O: economy (0 = steady, 1 = fluctuating)
00965  * P: Train reversing (0 = end of line + stations, 1 = end of line)
00966  * Q: disasters
00967  * R: area restructuring (0 = permissive, 2 = hostile)
00968  * S: the difficulty level
00969  */
00970 static const DifficultySettings _default_game_diff[3] = { /*
00971    A, C, D,         E, F, G, H, J, K, L, M, N, O, P, Q, R, S*/
00972   {0, 2, 1, 999950000, 0, 0, 0, 0, 3, 0, 1, 1, 0, 0, 0, 0, 0}, 
00973   {4, 2, 3,    150000, 3, 1, 3, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1}, 
00974   {7, 3, 3,    100000, 4, 1, 3, 2, 0, 2, 3, 2, 1, 1, 1, 2, 2}, 
00975 };
00976 
00977 void SetDifficultyLevel(int mode, DifficultySettings *gm_opt)
00978 {
00979   assert(mode <= 3);
00980 
00981   if (mode != 3) {
00982     *gm_opt = _default_game_diff[mode];
00983   } else {
00984     gm_opt->diff_level = 3;
00985   }
00986 }
00987 
00989 static void ValidateSettings()
00990 {
00991   /* Force the difficulty levels to correct values if they are invalid. */
00992   if (_settings_newgame.difficulty.diff_level != 3) {
00993     SetDifficultyLevel(_settings_newgame.difficulty.diff_level, &_settings_newgame.difficulty);
00994   }
00995 
00996   /* Do not allow a custom sea level with the original land generator. */
00997   if (_settings_newgame.game_creation.land_generator == 0 &&
00998       _settings_newgame.difficulty.quantity_sea_lakes == CUSTOM_SEA_LEVEL_NUMBER_DIFFICULTY) {
00999     _settings_newgame.difficulty.quantity_sea_lakes = CUSTOM_SEA_LEVEL_MIN_PERCENTAGE;
01000   }
01001 }
01002 
01003 static bool DifficultyReset(int32 level)
01004 {
01005   /* In game / in the scenario editor you can set the difficulty level only to custom. This is
01006    * needed by the AI Gui code that sets the difficulty level when you change any AI settings. */
01007   if (_game_mode != GM_MENU && level != 3) return false;
01008   SetDifficultyLevel(level, &GetGameSettings().difficulty);
01009   return true;
01010 }
01011 
01012 static bool DifficultyChange(int32)
01013 {
01014   if (_game_mode == GM_MENU) {
01015     if (_settings_newgame.difficulty.diff_level != 3) {
01016       ShowErrorMessage(STR_WARNING_DIFFICULTY_TO_CUSTOM, INVALID_STRING_ID, WL_WARNING);
01017       _settings_newgame.difficulty.diff_level = 3;
01018     }
01019     SetWindowClassesDirty(WC_SELECT_GAME);
01020   } else {
01021     _settings_game.difficulty.diff_level = 3;
01022   }
01023 
01024   /* If we are a network-client, update the difficult setting (if it is open).
01025    * Use this instead of just dirtying the window because we need to load in
01026    * the new difficulty settings */
01027   if (_networking && FindWindowById(WC_GAME_OPTIONS, 0) != NULL) {
01028     ShowGameDifficulty();
01029   }
01030 
01031   return true;
01032 }
01033 
01034 static bool DifficultyNoiseChange(int32 i)
01035 {
01036   if (_game_mode == GM_NORMAL) {
01037     UpdateAirportsNoise();
01038     if (_settings_game.economy.station_noise_level) {
01039       InvalidateWindowClassesData(WC_TOWN_VIEW, 0);
01040     }
01041   }
01042 
01043   return DifficultyChange(i);
01044 }
01045 
01046 static bool MaxNoAIsChange(int32 i)
01047 {
01048   if (GetGameSettings().difficulty.max_no_competitors != 0 &&
01049 #ifdef ENABLE_AI
01050       AI::GetInfoList()->size() == 0 &&
01051 #endif /* ENABLE_AI */
01052       (!_networking || _network_server)) {
01053     ShowErrorMessage(STR_WARNING_NO_SUITABLE_AI, INVALID_STRING_ID, WL_CRITICAL);
01054   }
01055 
01056   return DifficultyChange(i);
01057 }
01058 
01064 static bool CheckRoadSide(int p1)
01065 {
01066   extern bool RoadVehiclesAreBuilt();
01067   return _game_mode == GM_MENU || !RoadVehiclesAreBuilt();
01068 }
01069 
01077 static size_t ConvertLandscape(const char *value)
01078 {
01079   /* try with the old values */
01080   return LookupOneOfMany("normal|hilly|desert|candy", value);
01081 }
01082 
01088 static bool TLSettingChanged(int32 p1)
01089 {
01090   /* Road building gui changed. */
01091   MarkWholeScreenDirty();
01092 
01093   /* If traffic lights got disabled, clear them all. */
01094   if (!_settings_game.construction.traffic_lights) ClearAllTrafficLights();
01095   return true;
01096 }
01097 
01098 static bool CheckFreeformEdges(int32 p1)
01099 {
01100   if (_game_mode == GM_MENU) return true;
01101   if (p1 != 0) {
01102     Ship *s;
01103     FOR_ALL_SHIPS(s) {
01104       /* Check if there is a ship on the northern border. */
01105       if (TileX(s->tile) == 0 || TileY(s->tile) == 0) {
01106         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_EMPTY, INVALID_STRING_ID, WL_ERROR);
01107         return false;
01108       }
01109     }
01110     BaseStation *st;
01111     FOR_ALL_BASE_STATIONS(st) {
01112       /* Check if there is a non-deleted buoy on the northern border. */
01113       if (st->IsInUse() && (TileX(st->xy) == 0 || TileY(st->xy) == 0)) {
01114         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_EMPTY, INVALID_STRING_ID, WL_ERROR);
01115         return false;
01116       }
01117     }
01118     for (uint i = 0; i < MapSizeX(); i++) MakeVoid(TileXY(i, 0));
01119     for (uint i = 0; i < MapSizeY(); i++) MakeVoid(TileXY(0, i));
01120   } else {
01121     for (uint i = 0; i < MapMaxX(); i++) {
01122       if (TileHeight(TileXY(i, 1)) != 0) {
01123         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
01124         return false;
01125       }
01126     }
01127     for (uint i = 1; i < MapMaxX(); i++) {
01128       if (!IsTileType(TileXY(i, MapMaxY() - 1), MP_WATER) || TileHeight(TileXY(1, MapMaxY())) != 0) {
01129         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
01130         return false;
01131       }
01132     }
01133     for (uint i = 0; i < MapMaxY(); i++) {
01134       if (TileHeight(TileXY(1, i)) != 0) {
01135         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
01136         return false;
01137       }
01138     }
01139     for (uint i = 1; i < MapMaxY(); i++) {
01140       if (!IsTileType(TileXY(MapMaxX() - 1, i), MP_WATER) || TileHeight(TileXY(MapMaxX(), i)) != 0) {
01141         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, WL_ERROR);
01142         return false;
01143       }
01144     }
01145     /* Make tiles at the border water again. */
01146     for (uint i = 0; i < MapMaxX(); i++) {
01147       SetTileHeight(TileXY(i, 0), 0);
01148       SetTileType(TileXY(i, 0), MP_WATER);
01149     }
01150     for (uint i = 0; i < MapMaxY(); i++) {
01151       SetTileHeight(TileXY(0, i), 0);
01152       SetTileType(TileXY(0, i), MP_WATER);
01153     }
01154   }
01155   MarkWholeScreenDirty();
01156   return true;
01157 }
01158 
01163 static bool ChangeDynamicEngines(int32 p1)
01164 {
01165   if (_game_mode == GM_MENU) return true;
01166 
01167   if (!EngineOverrideManager::ResetToCurrentNewGRFConfig()) {
01168     ShowErrorMessage(STR_CONFIG_SETTING_DYNAMIC_ENGINES_EXISTING_VEHICLES, INVALID_STRING_ID, WL_ERROR);
01169     return false;
01170   }
01171 
01172   return true;
01173 }
01174 
01175 static bool StationCatchmentChanged(int32 p1)
01176 {
01177   Station::RecomputeIndustriesNearForAll();
01178   return true;
01179 }
01180 
01181 
01182 #ifdef ENABLE_NETWORK
01183 
01184 static bool UpdateClientName(int32 p1)
01185 {
01186   NetworkUpdateClientName();
01187   return true;
01188 }
01189 
01190 static bool UpdateServerPassword(int32 p1)
01191 {
01192   if (strcmp(_settings_client.network.server_password, "*") == 0) {
01193     _settings_client.network.server_password[0] = '\0';
01194   }
01195 
01196   return true;
01197 }
01198 
01199 static bool UpdateRconPassword(int32 p1)
01200 {
01201   if (strcmp(_settings_client.network.rcon_password, "*") == 0) {
01202     _settings_client.network.rcon_password[0] = '\0';
01203   }
01204 
01205   return true;
01206 }
01207 
01208 static bool UpdateClientConfigValues(int32 p1)
01209 {
01210   if (_network_server) NetworkServerSendConfigUpdate();
01211 
01212   return true;
01213 }
01214 
01215 static bool CheckSharingRail(int32 p1)
01216 {
01217   if (!CheckSharingChangePossible(VEH_TRAIN)) return false;
01218   UpdateAllBlockSignals();
01219   return true;
01220 }
01221 
01222 static bool CheckSharingRoad(int32 p1)
01223 {
01224   return CheckSharingChangePossible(VEH_ROAD);
01225 }
01226 
01227 static bool CheckSharingWater(int32 p1)
01228 {
01229   return CheckSharingChangePossible(VEH_SHIP);
01230 }
01231 
01232 static bool CheckSharingAir(int32 p1)
01233 {
01234   return CheckSharingChangePossible(VEH_AIRCRAFT);
01235 }
01236 
01237 #endif /* ENABLE_NETWORK */
01238 
01239 
01240 /* End - Callback Functions */
01241 
01245 static void PrepareOldDiffCustom()
01246 {
01247   memset(_old_diff_custom, 0, sizeof(_old_diff_custom));
01248 }
01249 
01256 static void HandleOldDiffCustom(bool savegame)
01257 {
01258   uint options_to_load = GAME_DIFFICULTY_NUM - ((savegame && IsSavegameVersionBefore(4)) ? 1 : 0);
01259 
01260   if (!savegame) {
01261     /* If we did read to old_diff_custom, then at least one value must be non 0. */
01262     bool old_diff_custom_used = false;
01263     for (uint i = 0; i < options_to_load && !old_diff_custom_used; i++) {
01264       old_diff_custom_used = (_old_diff_custom[i] != 0);
01265     }
01266 
01267     if (!old_diff_custom_used) return;
01268   }
01269 
01270   for (uint i = 0; i < options_to_load; i++) {
01271     const SettingDesc *sd = &_settings[i];
01272     /* Skip deprecated options */
01273     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
01274     void *var = GetVariableAddress(savegame ? &_settings_game : &_settings_newgame, &sd->save);
01275     Write_ValidateSetting(var, sd, (int32)((i == 4 ? 1000 : 1) * _old_diff_custom[i]));
01276   }
01277 }
01278 
01285 static bool ConvertOldNewsSetting(const char *name, const char *value)
01286 {
01287   if (strcasecmp(name, "openclose") == 0) {
01288     /* openclose has been split in "open" and "close".
01289      * So the job is now to decrypt the value of the old news config
01290      * and give it to the two newly introduced ones*/
01291 
01292     NewsDisplay display = ND_OFF; // default
01293     if (strcasecmp(value, "full") == 0) {
01294       display = ND_FULL;
01295     } else if (strcasecmp(value, "summarized") == 0) {
01296       display = ND_SUMMARY;
01297     }
01298     /* tranfert of values */
01299     _news_type_data[NT_INDUSTRY_OPEN].display = display;
01300     _news_type_data[NT_INDUSTRY_CLOSE].display = display;
01301     return true;
01302   }
01303   return false;
01304 }
01305 
01311 static void NewsDisplayLoadConfig(IniFile *ini, const char *grpname)
01312 {
01313   IniGroup *group = ini->GetGroup(grpname);
01314   IniItem *item;
01315 
01316   /* If no group exists, return */
01317   if (group == NULL) return;
01318 
01319   for (item = group->item; item != NULL; item = item->next) {
01320     int news_item = -1;
01321     for (int i = 0; i < NT_END; i++) {
01322       if (strcasecmp(item->name, _news_type_data[i].name) == 0) {
01323         news_item = i;
01324         break;
01325       }
01326     }
01327 
01328     /* the config been read is not within current aceptable config */
01329     if (news_item == -1) {
01330       /* if the conversion function cannot process it, advice by a debug warning*/
01331       if (!ConvertOldNewsSetting(item->name, item->value)) {
01332         DEBUG(misc, 0, "Invalid display option: %s", item->name);
01333       }
01334       /* in all cases, there is nothing left to do */
01335       continue;
01336     }
01337 
01338     if (StrEmpty(item->value)) {
01339       DEBUG(misc, 0, "Empty display value for newstype %s", item->name);
01340       continue;
01341     } else if (strcasecmp(item->value, "full") == 0) {
01342       _news_type_data[news_item].display = ND_FULL;
01343     } else if (strcasecmp(item->value, "off") == 0) {
01344       _news_type_data[news_item].display = ND_OFF;
01345     } else if (strcasecmp(item->value, "summarized") == 0) {
01346       _news_type_data[news_item].display = ND_SUMMARY;
01347     } else {
01348       DEBUG(misc, 0, "Invalid display value for newstype %s: %s", item->name, item->value);
01349       continue;
01350     }
01351   }
01352 }
01353 
01354 static void AILoadConfig(IniFile *ini, const char *grpname)
01355 {
01356 #ifdef ENABLE_AI
01357   IniGroup *group = ini->GetGroup(grpname);
01358   IniItem *item;
01359 
01360   /* Clean any configured AI */
01361   for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
01362     AIConfig::GetConfig(c, AIConfig::AISS_FORCE_NEWGAME)->ChangeAI(NULL);
01363   }
01364 
01365   /* If no group exists, return */
01366   if (group == NULL) return;
01367 
01368   CompanyID c = COMPANY_FIRST;
01369   for (item = group->item; c < MAX_COMPANIES && item != NULL; c++, item = item->next) {
01370     AIConfig *config = AIConfig::GetConfig(c, AIConfig::AISS_FORCE_NEWGAME);
01371 
01372     config->ChangeAI(item->name);
01373     if (!config->HasAI()) {
01374       if (strcmp(item->name, "none") != 0) {
01375         DEBUG(ai, 0, "The AI by the name '%s' was no longer found, and removed from the list.", item->name);
01376         continue;
01377       }
01378     }
01379     if (item->value != NULL) config->StringToSettings(item->value);
01380   }
01381 #endif /* ENABLE_AI */
01382 }
01383 
01390 static GRFConfig *GRFLoadConfig(IniFile *ini, const char *grpname, bool is_static)
01391 {
01392   IniGroup *group = ini->GetGroup(grpname);
01393   IniItem *item;
01394   GRFConfig *first = NULL;
01395   GRFConfig **curr = &first;
01396 
01397   if (group == NULL) return NULL;
01398 
01399   for (item = group->item; item != NULL; item = item->next) {
01400     GRFConfig *c = new GRFConfig(item->name);
01401 
01402     /* Parse parameters */
01403     if (!StrEmpty(item->value)) {
01404       c->num_params = ParseIntList(item->value, (int*)c->param, lengthof(c->param));
01405       if (c->num_params == (byte)-1) {
01406         ShowInfoF("ini: error in array '%s'", item->name);
01407         c->num_params = 0;
01408       }
01409     }
01410 
01411     /* Check if item is valid */
01412     if (!FillGRFDetails(c, is_static) || HasBit(c->flags, GCF_INVALID)) {
01413       const char *msg;
01414 
01415       if (c->status == GCS_NOT_FOUND) {
01416         msg = "not found";
01417       } else if (HasBit(c->flags, GCF_UNSAFE)) {
01418         msg = "unsafe for static use";
01419       } else if (HasBit(c->flags, GCF_SYSTEM)) {
01420         msg = "system NewGRF";
01421       } else if (HasBit(c->flags, GCF_INVALID)) {
01422         msg = "incompatible to this version of OpenTTD";
01423       } else {
01424         msg = "unknown";
01425       }
01426 
01427       ShowInfoF("ini: ignoring invalid NewGRF '%s': %s", item->name, msg);
01428       delete c;
01429       continue;
01430     }
01431 
01432     /* Check for duplicate GRFID (will also check for duplicate filenames) */
01433     bool duplicate = false;
01434     for (const GRFConfig *gc = first; gc != NULL; gc = gc->next) {
01435       if (gc->ident.grfid == c->ident.grfid) {
01436         ShowInfoF("ini: ignoring  NewGRF '%s': duplicate GRF ID with '%s'", item->name, gc->filename);
01437         duplicate = true;
01438         break;
01439       }
01440     }
01441     if (duplicate) {
01442       delete c;
01443       continue;
01444     }
01445 
01446     /* Mark file as static to avoid saving in savegame. */
01447     if (is_static) SetBit(c->flags, GCF_STATIC);
01448 
01449     /* Add item to list */
01450     *curr = c;
01451     curr = &c->next;
01452   }
01453 
01454   return first;
01455 }
01456 
01462 static void NewsDisplaySaveConfig(IniFile *ini, const char *grpname)
01463 {
01464   IniGroup *group = ini->GetGroup(grpname);
01465 
01466   for (int i = 0; i < NT_END; i++) {
01467     const char *value;
01468     int v = _news_type_data[i].display;
01469 
01470     value = (v == ND_OFF ? "off" : (v == ND_SUMMARY ? "summarized" : "full"));
01471 
01472     group->GetItem(_news_type_data[i].name, true)->SetValue(value);
01473   }
01474 }
01475 
01476 static void AISaveConfig(IniFile *ini, const char *grpname)
01477 {
01478 #ifdef ENABLE_AI
01479   IniGroup *group = ini->GetGroup(grpname);
01480 
01481   if (group == NULL) return;
01482   group->Clear();
01483 
01484   for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
01485     AIConfig *config = AIConfig::GetConfig(c, AIConfig::AISS_FORCE_NEWGAME);
01486     const char *name;
01487     char value[1024];
01488     config->SettingsToString(value, lengthof(value));
01489 
01490     if (config->HasAI()) {
01491       name = config->GetName();
01492     } else {
01493       name = "none";
01494     }
01495 
01496     IniItem *item = new IniItem(group, name, strlen(name));
01497     item->SetValue(value);
01498   }
01499 #endif /* ENABLE_AI */
01500 }
01501 
01506 static void SaveVersionInConfig(IniFile *ini)
01507 {
01508   IniGroup *group = ini->GetGroup("version");
01509 
01510   char version[9];
01511   snprintf(version, lengthof(version), "%08X", _openttd_newgrf_version);
01512 
01513   const char * const versions[][2] = {
01514     { "version_string", _openttd_revision },
01515     { "version_number", version }
01516   };
01517 
01518   for (uint i = 0; i < lengthof(versions); i++) {
01519     group->GetItem(versions[i][0], true)->SetValue(versions[i][1]);
01520   }
01521 }
01522 
01523 /* Save a GRF configuration to the given group name */
01524 static void GRFSaveConfig(IniFile *ini, const char *grpname, const GRFConfig *list)
01525 {
01526   ini->RemoveGroup(grpname);
01527   IniGroup *group = ini->GetGroup(grpname);
01528   const GRFConfig *c;
01529 
01530   for (c = list; c != NULL; c = c->next) {
01531     char params[512];
01532     GRFBuildParamList(params, c, lastof(params));
01533 
01534     group->GetItem(c->filename, true)->SetValue(params);
01535   }
01536 }
01537 
01538 /* Common handler for saving/loading variables to the configuration file */
01539 static void HandleSettingDescs(IniFile *ini, SettingDescProc *proc, SettingDescProcList *proc_list)
01540 {
01541   proc(ini, (const SettingDesc*)_misc_settings,    "misc",  NULL);
01542   proc(ini, (const SettingDesc*)_music_settings,   "music", &_msf);
01543 #if defined(WIN32) && !defined(DEDICATED)
01544   proc(ini, (const SettingDesc*)_win32_settings,   "win32", NULL);
01545 #endif /* WIN32 */
01546 
01547   proc(ini, _settings,         "patches",  &_settings_newgame);
01548   proc(ini, _currency_settings,"currency", &_custom_currency);
01549   proc(ini, _company_settings, "company",  &_settings_client.company);
01550 
01551 #ifdef ENABLE_NETWORK
01552   proc_list(ini, "server_bind_addresses", &_network_bind_list);
01553   proc_list(ini, "servers", &_network_host_list);
01554   proc_list(ini, "bans",    &_network_ban_list);
01555 #endif /* ENABLE_NETWORK */
01556 }
01557 
01558 static IniFile *IniLoadConfig()
01559 {
01560   IniFile *ini = new IniFile(_list_group_names);
01561   ini->LoadFromDisk(_config_file);
01562   return ini;
01563 }
01564 
01566 void LoadFromConfig()
01567 {
01568   IniFile *ini = IniLoadConfig();
01569   ResetCurrencies(false); // Initialize the array of curencies, without preserving the custom one
01570 
01571   HandleSettingDescs(ini, IniLoadSettings, IniLoadSettingList);
01572   _grfconfig_newgame = GRFLoadConfig(ini, "newgrf", false);
01573   _grfconfig_static  = GRFLoadConfig(ini, "newgrf-static", true);
01574   NewsDisplayLoadConfig(ini, "news_display");
01575   AILoadConfig(ini, "ai_players");
01576 
01577   PrepareOldDiffCustom();
01578   IniLoadSettings(ini, _gameopt_settings, "gameopt", &_settings_newgame);
01579   HandleOldDiffCustom(false);
01580 
01581   ValidateSettings();
01582   delete ini;
01583 }
01584 
01586 void SaveToConfig()
01587 {
01588   IniFile *ini = IniLoadConfig();
01589 
01590   /* Remove some obsolete groups. These have all been loaded into other groups. */
01591   ini->RemoveGroup("patches");
01592   ini->RemoveGroup("yapf");
01593   ini->RemoveGroup("gameopt");
01594 
01595   HandleSettingDescs(ini, IniSaveSettings, IniSaveSettingList);
01596   GRFSaveConfig(ini, "newgrf", _grfconfig_newgame);
01597   GRFSaveConfig(ini, "newgrf-static", _grfconfig_static);
01598   NewsDisplaySaveConfig(ini, "news_display");
01599   AISaveConfig(ini, "ai_players");
01600   SaveVersionInConfig(ini);
01601   ini->SaveToDisk(_config_file);
01602   delete ini;
01603 }
01604 
01609 void GetGRFPresetList(GRFPresetList *list)
01610 {
01611   list->Clear();
01612 
01613   IniFile *ini = IniLoadConfig();
01614   IniGroup *group;
01615   for (group = ini->group; group != NULL; group = group->next) {
01616     if (strncmp(group->name, "preset-", 7) == 0) {
01617       *list->Append() = strdup(group->name + 7);
01618     }
01619   }
01620 
01621   delete ini;
01622 }
01623 
01630 GRFConfig *LoadGRFPresetFromConfig(const char *config_name)
01631 {
01632   char *section = (char*)alloca(strlen(config_name) + 8);
01633   sprintf(section, "preset-%s", config_name);
01634 
01635   IniFile *ini = IniLoadConfig();
01636   GRFConfig *config = GRFLoadConfig(ini, section, false);
01637   delete ini;
01638 
01639   return config;
01640 }
01641 
01648 void SaveGRFPresetToConfig(const char *config_name, GRFConfig *config)
01649 {
01650   char *section = (char*)alloca(strlen(config_name) + 8);
01651   sprintf(section, "preset-%s", config_name);
01652 
01653   IniFile *ini = IniLoadConfig();
01654   GRFSaveConfig(ini, section, config);
01655   ini->SaveToDisk(_config_file);
01656   delete ini;
01657 }
01658 
01663 void DeleteGRFPresetFromConfig(const char *config_name)
01664 {
01665   char *section = (char*)alloca(strlen(config_name) + 8);
01666   sprintf(section, "preset-%s", config_name);
01667 
01668   IniFile *ini = IniLoadConfig();
01669   ini->RemoveGroup(section);
01670   ini->SaveToDisk(_config_file);
01671   delete ini;
01672 }
01673 
01674 const SettingDesc *GetSettingDescription(uint index)
01675 {
01676   if (index >= lengthof(_settings)) return NULL;
01677   return &_settings[index];
01678 }
01679 
01691 CommandCost CmdChangeSetting(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01692 {
01693   const SettingDesc *sd = GetSettingDescription(p1);
01694 
01695   if (sd == NULL) return CMD_ERROR;
01696   if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) return CMD_ERROR;
01697 
01698   if ((sd->desc.flags & SGF_NETWORK_ONLY) && !_networking && _game_mode != GM_MENU) return CMD_ERROR;
01699   if ((sd->desc.flags & SGF_NO_NETWORK) && _networking) return CMD_ERROR;
01700   if ((sd->desc.flags & SGF_NEWGAME_ONLY) &&
01701       (_game_mode == GM_NORMAL ||
01702       (_game_mode == GM_EDITOR && (sd->desc.flags & SGF_SCENEDIT_TOO) == 0))) {
01703     return CMD_ERROR;
01704   }
01705 
01706   if (flags & DC_EXEC) {
01707     void *var = GetVariableAddress(&GetGameSettings(), &sd->save);
01708 
01709     int32 oldval = (int32)ReadValue(var, sd->save.conv);
01710     int32 newval = (int32)p2;
01711 
01712     Write_ValidateSetting(var, sd, newval);
01713     newval = (int32)ReadValue(var, sd->save.conv);
01714 
01715     if (oldval == newval) return CommandCost();
01716 
01717     if (sd->desc.proc != NULL && !sd->desc.proc(newval)) {
01718       WriteValue(var, sd->save.conv, (int64)oldval);
01719       return CommandCost();
01720     }
01721 
01722     if (sd->desc.flags & SGF_NO_NETWORK) {
01723       GamelogStartAction(GLAT_SETTING);
01724       GamelogSetting(sd->desc.name, oldval, newval);
01725       GamelogStopAction();
01726     }
01727 
01728     SetWindowDirty(WC_GAME_OPTIONS, 0);
01729   }
01730 
01731   return CommandCost();
01732 }
01733 
01744 CommandCost CmdChangeCompanySetting(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01745 {
01746   if (p1 >= lengthof(_company_settings)) return CMD_ERROR;
01747   const SettingDesc *sd = &_company_settings[p1];
01748 
01749   if (flags & DC_EXEC) {
01750     void *var = GetVariableAddress(&Company::Get(_current_company)->settings, &sd->save);
01751 
01752     int32 oldval = (int32)ReadValue(var, sd->save.conv);
01753     int32 newval = (int32)p2;
01754 
01755     Write_ValidateSetting(var, sd, newval);
01756     newval = (int32)ReadValue(var, sd->save.conv);
01757 
01758     if (oldval == newval) return CommandCost();
01759 
01760     if (sd->desc.proc != NULL && !sd->desc.proc(newval)) {
01761       WriteValue(var, sd->save.conv, (int64)oldval);
01762       return CommandCost();
01763     }
01764 
01765     SetWindowDirty(WC_GAME_OPTIONS, 0);
01766   }
01767 
01768   return CommandCost();
01769 }
01770 
01778 bool SetSettingValue(uint index, int32 value, bool force_newgame)
01779 {
01780   const SettingDesc *sd = &_settings[index];
01781   /* If an item is company-based, we do not send it over the network
01782    * (if any) to change. Also *hack*hack* we update the _newgame version
01783    * of settings because changing a company-based setting in a game also
01784    * changes its defaults. At least that is the convention we have chosen */
01785   if (sd->save.conv & SLF_NO_NETWORK_SYNC) {
01786     void *var = GetVariableAddress(&GetGameSettings(), &sd->save);
01787     Write_ValidateSetting(var, sd, value);
01788 
01789     if (_game_mode != GM_MENU) {
01790       void *var2 = GetVariableAddress(&_settings_newgame, &sd->save);
01791       Write_ValidateSetting(var2, sd, value);
01792     }
01793     if (sd->desc.proc != NULL) sd->desc.proc((int32)ReadValue(var, sd->save.conv));
01794     SetWindowDirty(WC_GAME_OPTIONS, 0);
01795     return true;
01796   }
01797 
01798   if (force_newgame) {
01799     void *var2 = GetVariableAddress(&_settings_newgame, &sd->save);
01800     Write_ValidateSetting(var2, sd, value);
01801     return true;
01802   }
01803 
01804   /* send non-company-based settings over the network */
01805   if (!_networking || (_networking && _network_server)) {
01806     return DoCommandP(0, index, value, CMD_CHANGE_SETTING);
01807   }
01808   return false;
01809 }
01810 
01817 void SetCompanySetting(uint index, int32 value)
01818 {
01819   const SettingDesc *sd = &_company_settings[index];
01820   if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
01821     DoCommandP(0, index, value, CMD_CHANGE_COMPANY_SETTING);
01822   } else {
01823     void *var = GetVariableAddress(&_settings_client.company, &sd->save);
01824     Write_ValidateSetting(var, sd, value);
01825     if (sd->desc.proc != NULL) sd->desc.proc((int32)ReadValue(var, sd->save.conv));
01826   }
01827 }
01828 
01832 void SetDefaultCompanySettings(CompanyID cid)
01833 {
01834   Company *c = Company::Get(cid);
01835   const SettingDesc *sd;
01836   for (sd = _company_settings; sd->save.cmd != SL_END; sd++) {
01837     void *var = GetVariableAddress(&c->settings, &sd->save);
01838     Write_ValidateSetting(var, sd, (int32)(size_t)sd->desc.def);
01839   }
01840 }
01841 
01842 #if defined(ENABLE_NETWORK)
01843 
01846 void SyncCompanySettings()
01847 {
01848   const SettingDesc *sd;
01849   uint i = 0;
01850   for (sd = _company_settings; sd->save.cmd != SL_END; sd++, i++) {
01851     const void *old_var = GetVariableAddress(&Company::Get(_current_company)->settings, &sd->save);
01852     const void *new_var = GetVariableAddress(&_settings_client.company, &sd->save);
01853     uint32 old_value = (uint32)ReadValue(old_var, sd->save.conv);
01854     uint32 new_value = (uint32)ReadValue(new_var, sd->save.conv);
01855     if (old_value != new_value) NetworkSendCommand(0, i, new_value, CMD_CHANGE_COMPANY_SETTING, NULL, NULL, _local_company);
01856   }
01857 }
01858 #endif /* ENABLE_NETWORK */
01859 
01865 uint GetCompanySettingIndex(const char *name)
01866 {
01867   uint i;
01868   const SettingDesc *sd = GetSettingFromName(name, &i);
01869   assert(sd != NULL && (sd->desc.flags & SGF_PER_COMPANY) != 0);
01870   return i;
01871 }
01872 
01878 CompanyProfile GetCompanyProfile(const Company &company)
01879 {
01880   CompanyProfile company_profile;
01881 
01882   SetDParam(0, company.index);
01883   GetString(company_profile.president_name, STR_PRESIDENT_NAME, lastof(company_profile.president_name));
01884 
01885   SetDParam(0, company.index);
01886   GetString(company_profile.company_name, STR_COMPANY_NAME, lastof(company_profile.company_name));
01887 
01888   company_profile.face = company.face;
01889 
01890   for (int i = 0; i < LS_END; i++) {
01891     company_profile.livery[i] = company.livery[i];
01892   }
01893 
01894   return company_profile;
01895 
01896 }
01897 
01903 StringID SetCompanyProfile(const CompanyProfile &company_profile) 
01904 {
01905   char buf[MAX_LENGTH_PRESIDENT_NAME_CHARS > MAX_LENGTH_COMPANY_NAME_CHARS ? MAX_LENGTH_PRESIDENT_NAME_CHARS : MAX_LENGTH_COMPANY_NAME_CHARS];
01906 
01907   sprintf(buf, "company_profile");
01908 
01909   /* Set president name */
01910   SetDParam(0, _company_pool.Get(_local_company)->index);  // Get local name
01911   GetString(buf, STR_PRESIDENT_NAME, lastof(buf));         // ^Continued
01912   if (strcmp(buf, company_profile.president_name) != 0) {  // Compare local and loaded
01913     if (!DoCommandP(0, 0, 0, CMD_RENAME_PRESIDENT, NULL, company_profile.president_name)) return STR_ERROR_CAN_T_CHANGE_PRESIDENT;
01914   }
01915   
01916   /* Set company name */
01917   SetDParam(0, _company_pool.Get(_local_company)->index);// Get local name
01918   GetString(buf, STR_COMPANY_NAME, lastof(buf));         // ^Continued
01919   if (strcmp(buf, company_profile.company_name) != 0) {  // Compare local and loaded
01920     if (!DoCommandP(0, 0, 0, CMD_RENAME_COMPANY, NULL, company_profile.company_name)) return STR_ERROR_CAN_T_CHANGE_COMPANY_NAME;
01921   }
01922 
01923   /* Set president face */
01924   if (!IsValidCompanyManagerFace(company_profile.face) || !DoCommandP(0, 0, company_profile.face, CMD_SET_COMPANY_MANAGER_FACE)) return STR_PROFILE_FACE_ERROR;
01925 
01926   /* Set livery */
01927   for (int i = 0; i < LS_END; i++) {
01928     if (!DoCommandP(0, i,            company_profile.livery[i].colour1, CMD_SET_COMPANY_COLOUR)) return STR_PROFILE_COLOUR_ERROR;
01929     if (!DoCommandP(0, i | (1 << 8), company_profile.livery[i].colour2, CMD_SET_COMPANY_COLOUR)) return STR_PROFILE_COLOUR_ERROR;
01930     if (!DoCommandP(0, i | (2 << 8), company_profile.livery[i].in_use,  CMD_SET_COMPANY_COLOUR)) return STR_PROFILE_COLOUR_ERROR;
01931   }
01932 
01933   return STR_NULL;
01934 
01935 }
01936 
01942 StringID CompanyLoadProfile(CompanyProfile &company_profile)
01943 {
01944   IniFile  *ini;
01945   IniGroup *group;
01946   IniItem  *item;
01947   char     buf[MAX_LENGTH_PRESIDENT_NAME_CHARS > MAX_LENGTH_COMPANY_NAME_CHARS ? MAX_LENGTH_PRESIDENT_NAME_CHARS : MAX_LENGTH_COMPANY_NAME_CHARS];
01948   char     buf_ptr[16];
01949   uint   colour1,colour2;
01950 
01951   sprintf(buf, "company_profile");
01952 
01953   //CompanyProfile cp;
01954   ini = IniLoadConfig();
01955   group = ini->GetGroup(buf);
01956   
01957   /* Load president name */
01958   item = group->GetItem("president_name", true);
01959   if (item->value == NULL || strlen(item->value) >= MAX_LENGTH_PRESIDENT_NAME_CHARS) return STR_PROFILE_LOAD_ERROR;
01960   strcpy(company_profile.president_name, item->value);
01961 
01962   /* Load company name */
01963   item = group->GetItem("company_name", true);
01964   if (item->value == NULL || strlen(item->value) >= MAX_LENGTH_COMPANY_NAME_CHARS) return STR_PROFILE_LOAD_ERROR;
01965   strcpy(company_profile.company_name, item->value);
01966 
01967   /* Load president face */
01968   item = group->GetItem("face", true);
01969   if (item->value == NULL || sscanf(item->value, "%u", &(company_profile.face)) != 1) return STR_PROFILE_LOAD_ERROR;
01970   
01971   /* Load livery */
01972   for (int i = 0; i < LS_END; i++) {
01973     sprintf(buf_ptr, "livery_%i", i);
01974     item = group->GetItem(buf_ptr, true);
01975     if (item->value == NULL) return STR_PROFILE_LOAD_ERROR;
01976     sscanf(strtok(item->value, ","), "%u", &colour1);
01977     sscanf(strtok(NULL,        ","), "%u", &colour2);
01978     company_profile.livery[i].colour1 = (byte) colour1;
01979     company_profile.livery[i].colour2 = (byte) colour2;
01980     company_profile.livery[i].in_use  = strcmp(strtok(NULL, ","),"1") == 0 ? true : false;
01981   }
01982 
01983   return STR_NULL;
01984 }
01985 
01991 StringID CompanySaveProfile(const CompanyProfile &company_profile)
01992 {
01993   IniFile  *ini;
01994   IniGroup *group;
01995   char     buf[32];
01996   char     buf_item[16];
01997   char     buf_ptr[16];
01998   
01999   sprintf(buf, "company_profile");
02000 
02001   ini = IniLoadConfig();  
02002   ini->RemoveGroup(buf);
02003   group = ini->GetGroup(buf);
02004 
02005   group->GetItem("president_name", true)->SetValue(company_profile.president_name);
02006   group->GetItem("company_name",   true)->SetValue(company_profile.company_name);
02007 
02008   sprintf(buf, "%u", company_profile.face);
02009   group->GetItem("face",           true)->SetValue(buf);
02010 
02011   /* Save Livery */
02012   for (int i = 0; i < LS_END; i++) {
02013     sprintf(buf_item, "livery_%i", i);
02014     sprintf(buf_ptr, "%u,%u,%u", uint(company_profile.livery[i].colour1), uint(company_profile.livery[i].colour2), uint(company_profile.livery[i].in_use));
02015     group->GetItem(buf_item, true)->SetValue(buf_ptr);
02016   }
02017 
02018   StringID result = ini->SaveToDisk(_config_file) ? STR_NULL : STR_PROFILE_SAVE_ERROR;
02019   delete ini;
02020 
02021   return result;
02022 }
02023 
02031 bool SetSettingValue(uint index, const char *value, bool force_newgame)
02032 {
02033   const SettingDesc *sd = &_settings[index];
02034   assert(sd->save.conv & SLF_NO_NETWORK_SYNC);
02035 
02036   if (GetVarMemType(sd->save.conv) == SLE_VAR_STRQ) {
02037     char **var = (char**)GetVariableAddress((_game_mode == GM_MENU || force_newgame) ? &_settings_newgame : &_settings_game, &sd->save);
02038     free(*var);
02039     *var = strcmp(value, "(null)") == 0 ? NULL : strdup(value);
02040   } else {
02041     char *var = (char*)GetVariableAddress(NULL, &sd->save);
02042     ttd_strlcpy(var, value, sd->save.length);
02043   }
02044   if (sd->desc.proc != NULL) sd->desc.proc(0);
02045 
02046   return true;
02047 }
02048 
02056 const SettingDesc *GetSettingFromName(const char *name, uint *i)
02057 {
02058   const SettingDesc *sd;
02059 
02060   /* First check all full names */
02061   for (*i = 0, sd = _settings; sd->save.cmd != SL_END; sd++, (*i)++) {
02062     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
02063     if (strcmp(sd->desc.name, name) == 0) return sd;
02064   }
02065 
02066   /* Then check the shortcut variant of the name. */
02067   for (*i = 0, sd = _settings; sd->save.cmd != SL_END; sd++, (*i)++) {
02068     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
02069     const char *short_name = strchr(sd->desc.name, '.');
02070     if (short_name != NULL) {
02071       short_name++;
02072       if (strcmp(short_name, name) == 0) return sd;
02073     }
02074   }
02075 
02076   if (strncmp(name, "company.", 8) == 0) name += 8;
02077   /* And finally the company-based settings */
02078   for (*i = 0, sd = _company_settings; sd->save.cmd != SL_END; sd++, (*i)++) {
02079     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
02080     if (strcmp(sd->desc.name, name) == 0) return sd;
02081   }
02082 
02083   return NULL;
02084 }
02085 
02086 /* Those 2 functions need to be here, else we have to make some stuff non-static
02087  * and besides, it is also better to keep stuff like this at the same place */
02088 void IConsoleSetSetting(const char *name, const char *value, bool force_newgame)
02089 {
02090   uint index;
02091   const SettingDesc *sd = GetSettingFromName(name, &index);
02092 
02093   if (sd == NULL) {
02094     IConsolePrintF(CC_WARNING, "'%s' is an unknown setting.", name);
02095     return;
02096   }
02097 
02098   bool success;
02099   if (sd->desc.cmd == SDT_STRING) {
02100     success = SetSettingValue(index, value, force_newgame);
02101   } else {
02102     uint32 val;
02103     extern bool GetArgumentInteger(uint32 *value, const char *arg);
02104     success = GetArgumentInteger(&val, value);
02105     if (!success) {
02106       IConsolePrintF(CC_ERROR, "'%s' is not an integer.", value);
02107       return;
02108     }
02109 
02110     success = SetSettingValue(index, val, force_newgame);
02111   }
02112 
02113   if (!success) {
02114     if (_network_server) {
02115       IConsoleError("This command/variable is not available during network games.");
02116     } else {
02117       IConsoleError("This command/variable is only available to a network server.");
02118     }
02119   }
02120 }
02121 
02122 void IConsoleSetSetting(const char *name, int value)
02123 {
02124   uint index;
02125   const SettingDesc *sd = GetSettingFromName(name, &index);
02126   assert(sd != NULL);
02127   SetSettingValue(index, value);
02128 }
02129 
02135 void IConsoleGetSetting(const char *name, bool force_newgame)
02136 {
02137   char value[20];
02138   uint index;
02139   const SettingDesc *sd = GetSettingFromName(name, &index);
02140   const void *ptr;
02141 
02142   if (sd == NULL) {
02143     IConsolePrintF(CC_WARNING, "'%s' is an unknown setting.", name);
02144     return;
02145   }
02146 
02147   ptr = GetVariableAddress((_game_mode == GM_MENU || force_newgame) ? &_settings_newgame : &_settings_game, &sd->save);
02148 
02149   if (sd->desc.cmd == SDT_STRING) {
02150     IConsolePrintF(CC_WARNING, "Current value for '%s' is: '%s'", name, (GetVarMemType(sd->save.conv) == SLE_VAR_STRQ) ? *(const char **)ptr : (const char *)ptr);
02151   } else {
02152     if (sd->desc.cmd == SDT_BOOLX) {
02153       snprintf(value, sizeof(value), (*(bool*)ptr == 1) ? "on" : "off");
02154     } else {
02155       snprintf(value, sizeof(value), sd->desc.min < 0 ? "%d" : "%u", (int32)ReadValue(ptr, sd->save.conv));
02156     }
02157 
02158     IConsolePrintF(CC_WARNING, "Current value for '%s' is: '%s' (min: %s%d, max: %u)",
02159       name, value, (sd->desc.flags & SGF_0ISDISABLED) ? "(0) " : "", sd->desc.min, sd->desc.max);
02160   }
02161 }
02162 
02168 void IConsoleListSettings(const char *prefilter)
02169 {
02170   IConsolePrintF(CC_WARNING, "All settings with their current value:");
02171 
02172   for (const SettingDesc *sd = _settings; sd->save.cmd != SL_END; sd++) {
02173     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
02174     if (prefilter != NULL && strstr(sd->desc.name, prefilter) == NULL) continue;
02175     char value[80];
02176     const void *ptr = GetVariableAddress(&GetGameSettings(), &sd->save);
02177 
02178     if (sd->desc.cmd == SDT_BOOLX) {
02179       snprintf(value, lengthof(value), (*(bool*)ptr == 1) ? "on" : "off");
02180     } else if (sd->desc.cmd == SDT_STRING) {
02181       snprintf(value, sizeof(value), "%s", (GetVarMemType(sd->save.conv) == SLE_VAR_STRQ) ? *(const char **)ptr : (const char *)ptr);
02182     } else {
02183       snprintf(value, lengthof(value), sd->desc.min < 0 ? "%d" : "%u", (int32)ReadValue(ptr, sd->save.conv));
02184     }
02185     IConsolePrintF(CC_DEFAULT, "%s = %s", sd->desc.name, value);
02186   }
02187 
02188   IConsolePrintF(CC_WARNING, "Use 'setting' command to change a value");
02189 }
02190 
02197 static void LoadSettings(const SettingDesc *osd, void *object)
02198 {
02199   for (; osd->save.cmd != SL_END; osd++) {
02200     const SaveLoad *sld = &osd->save;
02201     void *ptr = GetVariableAddress(object, sld);
02202 
02203     if (!SlObjectMember(ptr, sld)) continue;
02204     if (IsNumericType(sld->conv)) Write_ValidateSetting(ptr, osd, ReadValue(ptr, sld->conv));
02205   }
02206 }
02207 
02214 static void SaveSettings(const SettingDesc *sd, void *object)
02215 {
02216   /* We need to write the CH_RIFF header, but unfortunately can't call
02217    * SlCalcLength() because we have a different format. So do this manually */
02218   const SettingDesc *i;
02219   size_t length = 0;
02220   for (i = sd; i->save.cmd != SL_END; i++) {
02221     length += SlCalcObjMemberLength(object, &i->save);
02222   }
02223   SlSetLength(length);
02224 
02225   for (i = sd; i->save.cmd != SL_END; i++) {
02226     void *ptr = GetVariableAddress(object, &i->save);
02227     SlObjectMember(ptr, &i->save);
02228   }
02229 }
02230 
02231 static void Load_OPTS()
02232 {
02233   /* Copy over default setting since some might not get loaded in
02234    * a networking environment. This ensures for example that the local
02235    * autosave-frequency stays when joining a network-server */
02236   PrepareOldDiffCustom();
02237   LoadSettings(_gameopt_settings, &_settings_game);
02238   HandleOldDiffCustom(true);
02239 }
02240 
02241 static void Load_PATS()
02242 {
02243   /* Copy over default setting since some might not get loaded in
02244    * a networking environment. This ensures for example that the local
02245    * signal_side stays when joining a network-server */
02246   LoadSettings(_settings, &_settings_game);
02247 }
02248 
02249 static void Check_PATS()
02250 {
02251   LoadSettings(_settings, &_load_check_data.settings);
02252 }
02253 
02254 static void Save_PATS()
02255 {
02256   SaveSettings(_settings, &_settings_game);
02257 }
02258 
02259 void CheckConfig()
02260 {
02261   /*
02262    * Increase old default values for pf_maxdepth and pf_maxlength
02263    * to support big networks.
02264    */
02265   if (_settings_newgame.pf.opf.pf_maxdepth == 16 && _settings_newgame.pf.opf.pf_maxlength == 512) {
02266     _settings_newgame.pf.opf.pf_maxdepth = 48;
02267     _settings_newgame.pf.opf.pf_maxlength = 4096;
02268   }
02269 }
02270 
02271 extern const ChunkHandler _setting_chunk_handlers[] = {
02272   { 'OPTS', NULL,      Load_OPTS, NULL, NULL,       CH_RIFF},
02273   { 'PATS', Save_PATS, Load_PATS, NULL, Check_PATS, CH_RIFF | CH_LAST},
02274 };
02275 
02276 static bool IsSignedVarMemType(VarType vt)
02277 {
02278   switch (GetVarMemType(vt)) {
02279     case SLE_VAR_I8:
02280     case SLE_VAR_I16:
02281     case SLE_VAR_I32:
02282     case SLE_VAR_I64:
02283       return true;
02284   }
02285   return false;
02286 }