# settings.cpp

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    00001 /* $Id: settings.cpp 18378 2009-12-02 16:38:33Z rubidium $ */
    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
    00025 #include "stdafx.h"
    00026 #include "currency.h"
    00027 #include "screenshot.h"
    00028 #include "variables.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 "strings_func.h"
    00040 #include "vehicle_func.h"
    00041 #include "sound_func.h"
    00042 #include "company_func.h"
    00043 #include "rev.h"
    00044 #ifdef WITH_FREETYPE
    00045 #include "fontcache.h"
    00046 #endif
    00047 #include "textbuf_gui.h"
    00048 #include "rail_gui.h"
    00049 #include "elrail_func.h"
    00050 #include "gui.h"
    00051 #include "town.h"
    00052 #include "video/video_driver.hpp"
    00053 #include "sound/sound_driver.hpp"
    00054 #include "music/music_driver.hpp"
    00055 #include "blitter/factory.hpp"
    00056 #include "base_media_base.h"
    00057 #include "gamelog.h"
    00058 #include "settings_func.h"
    00059 #include "ini_type.h"
    00060 #include "ai/ai.hpp"
    00061 #include "ai/ai_config.hpp"
    00062 #include "newgrf.h"
    00063 #include "ship.h"
    00064
    00065 #include "void_map.h"
    00066 #include "station_base.h"
    00067
    00068 #include "table/strings.h"
    00069 #include "table/settings.h"
    00070
    00071 ClientSettings _settings_client;
    00072 GameSettings _settings_game;
    00073 GameSettings _settings_newgame;
    00074 VehicleDefaultSettings _old_vds;
    00075
    00076 typedef void SettingDescProc(IniFile *ini, const SettingDesc *desc, const char *grpname, void *object);
    00077 typedef void SettingDescProcList(IniFile *ini, const char *grpname, StringList *list);
    00078
    00079 static bool IsSignedVarMemType(VarType vt);
    00080
    00084 static const char * const _list_group_names[] = {
    00085   "bans",
    00086   "newgrf",
    00087   "servers",
    00088   "server_bind_addresses",
    00089   NULL
    00090 };
    00091
    00097 static int lookup_oneofmany(const char *many, const char *one, size_t onelen = 0)
    00098 {
    00099   const char *s;
    00100   int idx;
    00101
    00102   if (onelen == 0) onelen = strlen(one);
    00103
    00104   /* check if it's an integer */
    00105   if (*one >= '0' && *one <= '9')
    00106     return strtoul(one, NULL, 0);
    00107
    00108   idx = 0;
    00109   for (;;) {
    00110     /* find end of item */
    00111     s = many;
    00112     while (*s != '|' && *s != 0) s++;
    00113     if ((size_t)(s - many) == onelen && !memcmp(one, many, onelen)) return idx;
    00114     if (*s == 0) return -1;
    00115     many = s + 1;
    00116     idx++;
    00117   }
    00118 }
    00119
    00125 static uint32 lookup_manyofmany(const char *many, const char *str)
    00126 {
    00127   const char *s;
    00128   int r;
    00129   uint32 res = 0;
    00130
    00131   for (;;) {
    00132     /* skip "whitespace" */
    00133     while (*str == ' ' || *str == '\t' || *str == '|') str++;
    00134     if (*str == 0) break;
    00135
    00136     s = str;
    00137     while (*s != 0 && *s != ' ' && *s != '\t' && *s != '|') s++;
    00138
    00139     r = lookup_oneofmany(many, str, s - str);
    00140     if (r == -1) return (uint32)-1;
    00141
    00142     SetBit(res, r); // value found, set it
    00143     if (*s == 0) break;
    00144     str = s + 1;
    00145   }
    00146   return res;
    00147 }
    00148
    00155 static int parse_intlist(const char *p, int *items, int maxitems)
    00156 {
    00157   int n = 0, v;
    00158   char *end;
    00159
    00160   for (;;) {
    00161     v = strtol(p, &end, 0);
    00162     if (p == end || n == maxitems) return -1;
    00163     p = end;
    00164     items[n++] = v;
    00165     if (*p == '\0') break;
    00166     if (*p != ',' && *p != ' ') return -1;
    00167     p++;
    00168   }
    00169
    00170   return n;
    00171 }
    00172
    00179 static bool load_intlist(const char *str, void *array, int nelems, VarType type)
    00180 {
    00181   int items[64];
    00182   int i, nitems;
    00183
    00184   if (str == NULL) {
    00185     memset(items, 0, sizeof(items));
    00186     nitems = nelems;
    00187   } else {
    00188     nitems = parse_intlist(str, items, lengthof(items));
    00189     if (nitems != nelems) return false;
    00190   }
    00191
    00192   switch (type) {
    00193   case SLE_VAR_BL:
    00194   case SLE_VAR_I8:
    00195   case SLE_VAR_U8:
    00196     for (i = 0; i != nitems; i++) ((byte*)array)[i] = items[i];
    00197     break;
    00198   case SLE_VAR_I16:
    00199   case SLE_VAR_U16:
    00200     for (i = 0; i != nitems; i++) ((uint16*)array)[i] = items[i];
    00201     break;
    00202   case SLE_VAR_I32:
    00203   case SLE_VAR_U32:
    00204     for (i = 0; i != nitems; i++) ((uint32*)array)[i] = items[i];
    00205     break;
    00206   default: NOT_REACHED();
    00207   }
    00208
    00209   return true;
    00210 }
    00211
    00219 static void make_intlist(char *buf, const char *last, const void *array, int nelems, VarType type)
    00220 {
    00221   int i, v = 0;
    00222   byte *p = (byte*)array;
    00223
    00224   for (i = 0; i != nelems; i++) {
    00225     switch (type) {
    00226     case SLE_VAR_BL:
    00227     case SLE_VAR_I8:  v = *(int8*)p;   p += 1; break;
    00228     case SLE_VAR_U8:  v = *(byte*)p;   p += 1; break;
    00229     case SLE_VAR_I16: v = *(int16*)p;  p += 2; break;
    00230     case SLE_VAR_U16: v = *(uint16*)p; p += 2; break;
    00231     case SLE_VAR_I32: v = *(int32*)p;  p += 4; break;
    00232     case SLE_VAR_U32: v = *(uint32*)p; p += 4; break;
    00233     default: NOT_REACHED();
    00234     }
    00235     buf += seprintf(buf, last, (i == 0) ? "%d" : ",%d", v);
    00236   }
    00237 }
    00238
    00244 static void make_oneofmany(char *buf, const char *last, const char *many, int id)
    00245 {
    00246   int orig_id = id;
    00247
    00248   /* Look for the id'th element */
    00249   while (--id >= 0) {
    00250     for (; *many != '|'; many++) {
    00251       if (*many == '\0') { // not found
    00252         seprintf(buf, last, "%d", orig_id);
    00253         return;
    00254       }
    00255     }
    00256     many++; // pass the |-character
    00257   }
    00258
    00259   /* copy string until next item (|) or the end of the list if this is the last one */
    00260   while (*many != '\0' && *many != '|' && buf < last) *buf++ = *many++;
    00261   *buf = '\0';
    00262 }
    00263
    00270 static void make_manyofmany(char *buf, const char *last, const char *many, uint32 x)
    00271 {
    00272   const char *start;
    00273   int i = 0;
    00274   bool init = true;
    00275
    00276   for (; x != 0; x >>= 1, i++) {
    00277     start = many;
    00278     while (*many != 0 && *many != '|') many++; // advance to the next element
    00279
    00280     if (HasBit(x, 0)) { // item found, copy it
    00281       if (!init) buf += seprintf(buf, last, "|");
    00282       init = false;
    00283       if (start == many) {
    00284         buf += seprintf(buf, last, "%d", i);
    00285       } else {
    00286         memcpy(buf, start, many - start);
    00287         buf += many - start;
    00288       }
    00289     }
    00290
    00291     if (*many == '|') many++;
    00292   }
    00293
    00294   *buf = '\0';
    00295 }
    00296
    00301 static const void *string_to_val(const SettingDescBase *desc, const char *orig_str)
    00302 {
    00303   const char *str = orig_str == NULL ? "" : orig_str;
    00304   switch (desc->cmd) {
    00305   case SDT_NUMX: {
    00306     char *end;
    00307     unsigned long val = strtoul(str, &end, 0);
    00308     if (*end != '\0') ShowInfoF("ini: trailing characters at end of setting '%s'", desc->name);
    00309     return (void*)val;
    00310   }
    00311   case SDT_ONEOFMANY: {
    00312     long r = lookup_oneofmany(desc->many, str);
    00313     /* if the first attempt of conversion from string to the appropriate value fails,
    00314      * look if we have defined a converter from old value to new value. */
    00315     if (r == -1 && desc->proc_cnvt != NULL) r = desc->proc_cnvt(str);
    00316     if (r != -1) return (void*)r; // and here goes converted value
    00317     ShowInfoF("ini: invalid value '%s' for '%s'", str, desc->name); // sorry, we failed
    00318     return 0;
    00319   }
    00320   case SDT_MANYOFMANY: {
    00321     unsigned long r = lookup_manyofmany(desc->many, str);
    00322     if (r != (unsigned long)-1) return (void*)r;
    00323     ShowInfoF("ini: invalid value '%s' for '%s'", str, desc->name);
    00324     return 0;
    00325   }
    00326   case SDT_BOOLX:
    00327     if (strcmp(str, "true")  == 0 || strcmp(str, "on")  == 0 || strcmp(str, "1") == 0)
    00328       return (void*)true;
    00329     if (strcmp(str, "false") == 0 || strcmp(str, "off") == 0 || strcmp(str, "0") == 0)
    00330       return (void*)false;
    00331     ShowInfoF("ini: invalid setting value '%s' for '%s'", str, desc->name);
    00332     break;
    00333
    00334   case SDT_STRING: return orig_str;
    00335   case SDT_INTLIST: return str;
    00336   default: break;
    00337   }
    00338
    00339   return NULL;
    00340 }
    00341
    00349 static void Write_ValidateSetting(void *ptr, const SettingDesc *sd, int32 val)
    00350 {
    00351   const SettingDescBase *sdb = &sd->desc;
    00352
    00353   if (sdb->cmd != SDT_BOOLX &&
    00354       sdb->cmd != SDT_NUMX &&
    00355       sdb->cmd != SDT_ONEOFMANY &&
    00356       sdb->cmd != SDT_MANYOFMANY) {
    00357     return;
    00358   }
    00359
    00360   /* We cannot know the maximum value of a bitset variable, so just have faith */
    00361   if (sdb->cmd != SDT_MANYOFMANY) {
    00362     /* We need to take special care of the uint32 type as we receive from the function
    00363      * a signed integer. While here also bail out on 64-bit settings as those are not
    00364      * supported. Unsigned 8 and 16-bit variables are safe since they fit into a signed
    00365      * 32-bit variable
    00366      * TODO: Support 64-bit settings/variables */
    00367     switch (GetVarMemType(sd->save.conv)) {
    00368       case SLE_VAR_NULL: return;
    00369       case SLE_VAR_BL:
    00370       case SLE_VAR_I8:
    00371       case SLE_VAR_U8:
    00372       case SLE_VAR_I16:
    00373       case SLE_VAR_U16:
    00374       case SLE_VAR_I32: {
    00375         /* Override the minimum value. No value below sdb->min, except special value 0 */
    00376         if (!(sdb->flags & SGF_0ISDISABLED) || val != 0) val = Clamp(val, sdb->min, sdb->max);
    00377       } break;
    00378       case SLE_VAR_U32: {
    00379         /* Override the minimum value. No value below sdb->min, except special value 0 */
    00380         uint min = ((sdb->flags & SGF_0ISDISABLED) && (uint)val <= (uint)sdb->min) ? 0 : sdb->min;
    00381         WriteValue(ptr, SLE_VAR_U32, (int64)ClampU(val, min, sdb->max));
    00382         return;
    00383       }
    00384       case SLE_VAR_I64:
    00385       case SLE_VAR_U64:
    00386       default: NOT_REACHED();
    00387     }
    00388   }
    00389
    00390   WriteValue(ptr, sd->save.conv, (int64)val);
    00391 }
    00392
    00399 static void ini_load_settings(IniFile *ini, const SettingDesc *sd, const char *grpname, void *object)
    00400 {
    00401   IniGroup *group;
    00402   IniGroup *group_def = ini->GetGroup(grpname);
    00403   IniItem *item;
    00404   const void *p;
    00405   void *ptr;
    00406   const char *s;
    00407
    00408   for (; sd->save.cmd != SL_END; sd++) {
    00409     const SettingDescBase *sdb = &sd->desc;
    00410     const SaveLoad        *sld = &sd->save;
    00411
    00412     if (!SlIsObjectCurrentlyValid(sld->version_from, sld->version_to)) continue;
    00413
    00414     /* For settings.xx.yy load the settings from [xx] yy = ? */
    00415     s = strchr(sdb->name, '.');
    00416     if (s != NULL) {
    00417       group = ini->GetGroup(sdb->name, s - sdb->name);
    00418       s++;
    00419     } else {
    00420       s = sdb->name;
    00421       group = group_def;
    00422     }
    00423
    00424     item = group->GetItem(s, false);
    00425     if (item == NULL && group != group_def) {
    00426       /* For settings.xx.yy load the settings from [settingss] yy = ? in case the previous
    00427        * did not exist (e.g. loading old config files with a [settings] section */
    00428       item = group_def->GetItem(s, false);
    00429     }
    00430     if (item == NULL) {
    00431       /* For settings.xx.zz.yy load the settings from [zz] yy = ? in case the previous
    00432        * did not exist (e.g. loading old config files with a [yapf] section */
    00433       const char *sc = strchr(s, '.');
    00434       if (sc != NULL) item = ini->GetGroup(s, sc - s)->GetItem(sc + 1, false);
    00435     }
    00436
    00437     p = (item == NULL) ? sdb->def : string_to_val(sdb, item->value);
    00438     ptr = GetVariableAddress(object, sld);
    00439
    00440     switch (sdb->cmd) {
    00441     case SDT_BOOLX: // All four are various types of (integer) numbers
    00442     case SDT_NUMX:
    00443     case SDT_ONEOFMANY:
    00444     case SDT_MANYOFMANY:
    00445       Write_ValidateSetting(ptr, sd, (int32)(size_t)p); break;
    00446
    00447     case SDT_STRING:
    00448       switch (GetVarMemType(sld->conv)) {
    00449         case SLE_VAR_STRB:
    00450         case SLE_VAR_STRBQ:
    00451           if (p != NULL) ttd_strlcpy((char*)ptr, (const char*)p, sld->length);
    00452           break;
    00453         case SLE_VAR_STR:
    00454         case SLE_VAR_STRQ:
    00455           free(*(char**)ptr);
    00456           *(char**)ptr = p == NULL ? NULL : strdup((const char*)p);
    00457           break;
    00458         case SLE_VAR_CHAR: if (p != NULL) *(char*)ptr = *(char*)p; break;
    00459         default: NOT_REACHED();
    00460       }
    00461       break;
    00462
    00463     case SDT_INTLIST: {
    00464       if (!load_intlist((const char*)p, ptr, sld->length, GetVarMemType(sld->conv))) {
    00465         ShowInfoF("ini: error in array '%s'", sdb->name);
    00466       } else if (sd->desc.proc_cnvt != NULL) {
    00467         sd->desc.proc_cnvt((const char*)p);
    00468       }
    00469       break;
    00470     }
    00471     default: NOT_REACHED();
    00472     }
    00473   }
    00474 }
    00475
    00487 static void ini_save_settings(IniFile *ini, const SettingDesc *sd, const char *grpname, void *object)
    00488 {
    00489   IniGroup *group_def = NULL, *group;
    00490   IniItem *item;
    00491   char buf[512];
    00492   const char *s;
    00493   void *ptr;
    00494
    00495   for (; sd->save.cmd != SL_END; sd++) {
    00496     const SettingDescBase *sdb = &sd->desc;
    00497     const SaveLoad        *sld = &sd->save;
    00498
    00499     /* If the setting is not saved to the configuration
    00500      * file, just continue with the next setting */
    00501     if (!SlIsObjectCurrentlyValid(sld->version_from, sld->version_to)) continue;
    00502     if (sld->conv & SLF_CONFIG_NO) continue;
    00503
    00504     /* XXX - wtf is this?? (group override?) */
    00505     s = strchr(sdb->name, '.');
    00506     if (s != NULL) {
    00507       group = ini->GetGroup(sdb->name, s - sdb->name);
    00508       s++;
    00509     } else {
    00510       if (group_def == NULL) group_def = ini->GetGroup(grpname);
    00511       s = sdb->name;
    00512       group = group_def;
    00513     }
    00514
    00515     item = group->GetItem(s, true);
    00516     ptr = GetVariableAddress(object, sld);
    00517
    00518     if (item->value != NULL) {
    00519       /* check if the value is the same as the old value */
    00520       const void *p = string_to_val(sdb, item->value);
    00521
    00522       /* The main type of a variable/setting is in bytes 8-15
    00523        * The subtype (what kind of numbers do we have there) is in 0-7 */
    00524       switch (sdb->cmd) {
    00525       case SDT_BOOLX:
    00526       case SDT_NUMX:
    00527       case SDT_ONEOFMANY:
    00528       case SDT_MANYOFMANY:
    00529         switch (GetVarMemType(sld->conv)) {
    00530         case SLE_VAR_BL:
    00531           if (*(bool*)ptr == (p != NULL)) continue;
    00532           break;
    00533         case SLE_VAR_I8:
    00534         case SLE_VAR_U8:
    00535           if (*(byte*)ptr == (byte)(unsigned long)p) continue;
    00536           break;
    00537         case SLE_VAR_I16:
    00538         case SLE_VAR_U16:
    00539           if (*(uint16*)ptr == (uint16)(unsigned long)p) continue;
    00540           break;
    00541         case SLE_VAR_I32:
    00542         case SLE_VAR_U32:
    00543           if (*(uint32*)ptr == (uint32)(unsigned long)p) continue;
    00544           break;
    00545         default: NOT_REACHED();
    00546         }
    00547         break;
    00548       default: break; // Assume the other types are always changed
    00549       }
    00550     }
    00551
    00552     /* Value has changed, get the new value and put it into a buffer */
    00553     switch (sdb->cmd) {
    00554     case SDT_BOOLX:
    00555     case SDT_NUMX:
    00556     case SDT_ONEOFMANY:
    00557     case SDT_MANYOFMANY: {
    00558       uint32 i = (uint32)ReadValue(ptr, sld->conv);
    00559
    00560       switch (sdb->cmd) {
    00561       case SDT_BOOLX:      strecpy(buf, (i != 0) ? "true" : "false", lastof(buf)); break;
    00562       case SDT_NUMX:       seprintf(buf, lastof(buf), IsSignedVarMemType(sld->conv) ? "%d" : "%u", i); break;
    00563       case SDT_ONEOFMANY:  make_oneofmany(buf, lastof(buf), sdb->many, i); break;
    00564       case SDT_MANYOFMANY: make_manyofmany(buf, lastof(buf), sdb->many, i); break;
    00565       default: NOT_REACHED();
    00566       }
    00567     } break;
    00568
    00569     case SDT_STRING:
    00570       switch (GetVarMemType(sld->conv)) {
    00571       case SLE_VAR_STRB: strecpy(buf, (char*)ptr, lastof(buf)); break;
    00572       case SLE_VAR_STRBQ:seprintf(buf, lastof(buf), "\"%s\"", (char*)ptr); break;
    00573       case SLE_VAR_STR:  strecpy(buf, *(char**)ptr, lastof(buf)); break;
    00574       case SLE_VAR_STRQ:
    00575         if (*(char**)ptr == NULL) {
    00576           buf[0] = '\0';
    00577         } else {
    00578           seprintf(buf, lastof(buf), "\"%s\"", *(char**)ptr);
    00579         }
    00580         break;
    00581       case SLE_VAR_CHAR: buf[0] = *(char*)ptr; buf[1] = '\0'; break;
    00582       default: NOT_REACHED();
    00583       }
    00584       break;
    00585
    00586     case SDT_INTLIST:
    00587       make_intlist(buf, lastof(buf), ptr, sld->length, GetVarMemType(sld->conv));
    00588       break;
    00589     default: NOT_REACHED();
    00590     }
    00591
    00592     /* The value is different, that means we have to write it to the ini */
    00593     free(item->value);
    00594     item->value = strdup(buf);
    00595   }
    00596 }
    00597
    00606 static void ini_load_setting_list(IniFile *ini, const char *grpname, StringList *list)
    00607 {
    00608   IniGroup *group = ini->GetGroup(grpname);
    00609
    00610   if (group == NULL || list == NULL) return;
    00611
    00612   list->Clear();
    00613
    00614   for (const IniItem *item = group->item; item != NULL; item = item->next) {
    00615     if (item->name != NULL) *list->Append() = strdup(item->name);
    00616   }
    00617 }
    00618
    00627 static void ini_save_setting_list(IniFile *ini, const char *grpname, StringList *list)
    00628 {
    00629   IniGroup *group = ini->GetGroup(grpname);
    00630
    00631   if (group == NULL || list == NULL) return;
    00632   group->Clear();
    00633
    00634   for (char **iter = list->Begin(); iter != list->End(); iter++) {
    00635     group->GetItem(*iter, true)->SetValue("");
    00636   }
    00637 }
    00638
    00639 /* Begin - Callback Functions for the various settings
    00640  * virtual PositionMainToolbar function, calls the right one.*/
    00641 static bool v_PositionMainToolbar(int32 p1)
    00642 {
    00643   if (_game_mode != GM_MENU) PositionMainToolbar(NULL);
    00644   return true;
    00645 }
    00646
    00647 static bool PopulationInLabelActive(int32 p1)
    00648 {
    00649   UpdateAllTownVirtCoords();
    00650   return true;
    00651 }
    00652
    00653 static bool RedrawScreen(int32 p1)
    00654 {
    00655   MarkWholeScreenDirty();
    00656   return true;
    00657 }
    00658
    00659 static bool InvalidateDetailsWindow(int32 p1)
    00660 {
    00661   SetWindowClassesDirty(WC_VEHICLE_DETAILS);
    00662   return true;
    00663 }
    00664
    00665 static bool InvalidateStationBuildWindow(int32 p1)
    00666 {
    00667   SetWindowDirty(WC_BUILD_STATION, 0);
    00668   return true;
    00669 }
    00670
    00671 static bool InvalidateBuildIndustryWindow(int32 p1)
    00672 {
    00673   InvalidateWindowData(WC_BUILD_INDUSTRY, 0);
    00674   return true;
    00675 }
    00676
    00677 static bool CloseSignalGUI(int32 p1)
    00678 {
    00679   if (p1 == 0) {
    00680     DeleteWindowByClass(WC_BUILD_SIGNAL);
    00681   }
    00682   return true;
    00683 }
    00684
    00685 static bool InvalidateTownViewWindow(int32 p1)
    00686 {
    00687   InvalidateWindowClassesData(WC_TOWN_VIEW, p1);
    00688   return true;
    00689 }
    00690
    00691 static bool DeleteSelectStationWindow(int32 p1)
    00692 {
    00693   DeleteWindowById(WC_SELECT_STATION, 0);
    00694   return true;
    00695 }
    00696
    00697 static bool UpdateConsists(int32 p1)
    00698 {
    00699   Train *t;
    00700   FOR_ALL_TRAINS(t) {
    00701     /* Update the consist of all trains so the maximum speed is set correctly. */
    00702     if (t->IsFrontEngine() || t->IsFreeWagon()) TrainConsistChanged(t, true);
    00703   }
    00704   return true;
    00705 }
    00706
    00707 /* Check service intervals of vehicles, p1 is value of % or day based servicing */
    00708 static bool CheckInterval(int32 p1)
    00709 {
    00710   VehicleDefaultSettings *vds;
    00711   if (_game_mode == GM_MENU || !Company::IsValidID(_current_company)) {
    00712     vds = &_settings_client.company.vehicle;
    00713   } else {
    00714     vds = &Company::Get(_current_company)->settings.vehicle;
    00715   }
    00716
    00717   if (p1) {
    00718     vds->servint_trains   = 50;
    00719     vds->servint_roadveh  = 50;
    00720     vds->servint_aircraft = 50;
    00721     vds->servint_ships    = 50;
    00722   } else {
    00723     vds->servint_trains   = 150;
    00724     vds->servint_roadveh  = 150;
    00725     vds->servint_aircraft = 360;
    00726     vds->servint_ships    = 100;
    00727   }
    00728
    00729   InvalidateDetailsWindow(0);
    00730
    00731   return true;
    00732 }
    00733
    00734 static bool TrainAccelerationModelChanged(int32 p1)
    00735 {
    00736   Train *t;
    00737   FOR_ALL_TRAINS(t) {
    00738     if (t->IsFrontEngine()) {
    00739       t->tcache.cached_max_curve_speed = GetTrainCurveSpeedLimit(t);
    00740       UpdateTrainAcceleration(t);
    00741     }
    00742   }
    00743
    00744   return true;
    00745 }
    00746
    00747 static bool DragSignalsDensityChanged(int32)
    00748 {
    00749   InvalidateWindowData(WC_BUILD_SIGNAL, 0);
    00750
    00751   return true;
    00752 }
    00753
    00754 static bool TownFoundingChanged(int32 p1)
    00755 {
    00756   if (_game_mode != GM_EDITOR && _settings_game.economy.found_town == TF_FORBIDDEN) {
    00757     DeleteWindowById(WC_FOUND_TOWN, 0);
    00758     return true;
    00759   }
    00760   InvalidateWindowData(WC_FOUND_TOWN, 0);
    00761   return true;
    00762 }
    00763
    00764 static bool InvalidateVehTimetableWindow(int32 p1)
    00765 {
    00766   InvalidateWindowClassesData(WC_VEHICLE_TIMETABLE, -2);
    00767   return true;
    00768 }
    00769
    00770 /*
    00771  * A: competitors
    00772  * B: competitor start time. Deprecated since savegame version 110.
    00773  * C: town count (3 = high, 0 = very low)
    00774  * D: industry count (4 = high, 0 = none)
    00775  * E: inital loan (in GBP)
    00776  * F: interest rate
    00777  * G: running costs (0 = low, 2 = high)
    00778  * H: construction speed of competitors (0 = very slow, 4 = very fast)
    00779  * I: competitor intelligence. Deprecated since savegame version 110.
    00780  * J: breakdowns (0 = off, 2 = normal)
    00781  * K: subsidy multiplier (0 = 1.5, 3 = 4.0)
    00782  * L: construction cost (0-2)
    00783  * M: terrain type (0 = very flat, 3 = mountainous)
    00784  * N: amount of water (0 = very low, 3 = high)
    00785  * O: economy (0 = steady, 1 = fluctuating)
    00786  * P: Train reversing (0 = end of line + stations, 1 = end of line)
    00787  * Q: disasters
    00788  * R: area restructuring (0 = permissive, 2 = hostile)
    00789  * S: the difficulty level
    00790  */
    00791 static const DifficultySettings _default_game_diff[3] = { /*
    00792    A, C, D,      E, F, G, H, J, K, L, M, N, O, P, Q, R, S*/
    00793   {2, 2, 4, 300000, 2, 0, 2, 1, 2, 0, 1, 0, 0, 0, 0, 0, 0},
    00794   {4, 2, 3, 150000, 3, 1, 3, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1},
    00795   {7, 3, 3, 100000, 4, 1, 3, 2, 0, 2, 3, 2, 1, 1, 1, 2, 2},
    00796 };
    00797
    00798 void SetDifficultyLevel(int mode, DifficultySettings *gm_opt)
    00799 {
    00800   assert(mode <= 3);
    00801
    00802   if (mode != 3) {
    00803     *gm_opt = _default_game_diff[mode];
    00804   } else {
    00805     gm_opt->diff_level = 3;
    00806   }
    00807 }
    00808
    00813 static void CheckDifficultyLevels()
    00814 {
    00815   if (_settings_newgame.difficulty.diff_level != 3) {
    00816     SetDifficultyLevel(_settings_newgame.difficulty.diff_level, &_settings_newgame.difficulty);
    00817   }
    00818 }
    00819
    00820 static bool DifficultyReset(int32 level)
    00821 {
    00822   SetDifficultyLevel(level, (_game_mode == GM_MENU) ? &_settings_newgame.difficulty : &_settings_game.difficulty);
    00823   return true;
    00824 }
    00825
    00826 static bool DifficultyChange(int32)
    00827 {
    00828   if (_game_mode == GM_MENU) {
    00829     if (_settings_newgame.difficulty.diff_level != 3) {
    00830       ShowErrorMessage(STR_WARNING_DIFFICULTY_TO_CUSTOM, INVALID_STRING_ID, 0, 0);
    00831       _settings_newgame.difficulty.diff_level = 3;
    00832     }
    00833     SetWindowClassesDirty(WC_SELECT_GAME);
    00834   } else {
    00835     _settings_game.difficulty.diff_level = 3;
    00836   }
    00837
    00838   /* If we are a network-client, update the difficult setting (if it is open).
    00839    * Use this instead of just dirtying the window because we need to load in
    00840    * the new difficulty settings */
    00841   if (_networking && FindWindowById(WC_GAME_OPTIONS, 0) != NULL) {
    00842     ShowGameDifficulty();
    00843   }
    00844
    00845   return true;
    00846 }
    00847
    00848 static bool DifficultyNoiseChange(int32 i)
    00849 {
    00850   if (_game_mode == GM_NORMAL) {
    00851     UpdateAirportsNoise();
    00852     if (_settings_game.economy.station_noise_level) {
    00853       InvalidateWindowClassesData(WC_TOWN_VIEW, 0);
    00854     }
    00855   }
    00856
    00857   return DifficultyChange(i);
    00858 }
    00859
    00865 static bool CheckRoadSide(int p1)
    00866 {
    00867   extern bool RoadVehiclesAreBuilt();
    00868   return _game_mode == GM_MENU || !RoadVehiclesAreBuilt();
    00869 }
    00870
    00877 static int32 ConvertLandscape(const char *value)
    00878 {
    00879   /* try with the old values */
    00880   return lookup_oneofmany("normal|hilly|desert|candy", value);
    00881 }
    00882
    00889 static int32 CheckNoiseToleranceLevel(const char *value)
    00890 {
    00891   GameSettings *s = (_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game;
    00892   for (uint16 i = 0; i < lengthof(s->economy.town_noise_population); i++) {
    00893     s->economy.town_noise_population[i] = max(uint16(200 * (i + 1)), s->economy.town_noise_population[i]);
    00894   }
    00895   return 0;
    00896 }
    00897
    00898 static bool CheckFreeformEdges(int32 p1)
    00899 {
    00900   if (_game_mode == GM_MENU) return true;
    00901   if (p1 != 0) {
    00902     Ship *s;
    00903     FOR_ALL_SHIPS(s) {
    00904       if (TileX(s->tile) == 0 || TileY(s->tile) == 0) {
    00905         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_EMPTY, INVALID_STRING_ID, 0, 0);
    00906         return false;
    00907       }
    00908     }
    00909     Station *st;
    00910     FOR_ALL_STATIONS(st) {
    00911       if (TileX(st->xy) == 0 || TileY(st->xy) == 0) {
    00912         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_EMPTY, INVALID_STRING_ID, 0, 0);
    00913         return false;
    00914       }
    00915     }
    00916     for (uint i = 0; i < MapSizeX(); i++) MakeVoid(TileXY(i, 0));
    00917     for (uint i = 0; i < MapSizeY(); i++) MakeVoid(TileXY(0, i));
    00918   } else {
    00919     for (uint i = 0; i < MapMaxX(); i++) {
    00920       if (TileHeight(TileXY(i, 1)) != 0) {
    00921         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, 0, 0);
    00922         return false;
    00923       }
    00924     }
    00925     for (uint i = 1; i < MapMaxX(); i++) {
    00926       if (!IsTileType(TileXY(i, MapMaxY() - 1), MP_WATER) || TileHeight(TileXY(1, MapMaxY())) != 0) {
    00927         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, 0, 0);
    00928         return false;
    00929       }
    00930     }
    00931     for (uint i = 0; i < MapMaxY(); i++) {
    00932       if (TileHeight(TileXY(1, i)) != 0) {
    00933         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, 0, 0);
    00934         return false;
    00935       }
    00936     }
    00937     for (uint i = 1; i < MapMaxY(); i++) {
    00938       if (!IsTileType(TileXY(MapMaxX() - 1, i), MP_WATER) || TileHeight(TileXY(MapMaxX(), i)) != 0) {
    00939         ShowErrorMessage(STR_CONFIG_SETTING_EDGES_NOT_WATER, INVALID_STRING_ID, 0, 0);
    00940         return false;
    00941       }
    00942     }
    00943     /* Make tiles at the border water again. */
    00944     for (uint i = 0; i < MapMaxX(); i++) {
    00945       SetTileHeight(TileXY(i, 0), 0);
    00946       SetTileType(TileXY(i, 0), MP_WATER);
    00947     }
    00948     for (uint i = 0; i < MapMaxY(); i++) {
    00949       SetTileHeight(TileXY(0, i), 0);
    00950       SetTileType(TileXY(0, i), MP_WATER);
    00951     }
    00952   }
    00953   MarkWholeScreenDirty();
    00954   return true;
    00955 }
    00956
    00961 static bool ChangeDynamicEngines(int32 p1)
    00962 {
    00963   if (_game_mode == GM_MENU) return true;
    00964
    00965   const Vehicle *v;
    00966   FOR_ALL_VEHICLES(v) {
    00967     if (IsCompanyBuildableVehicleType(v)) {
    00968       ShowErrorMessage(STR_CONFIG_SETTING_DYNAMIC_ENGINES_EXISTING_VEHICLES, INVALID_STRING_ID, 0, 0);
    00969       return false;
    00970     }
    00971   }
    00972
    00973   /* Reset the engines, they will get new EngineIDs */
    00974   _engine_mngr.ResetToDefaultMapping();
    00975   ReloadNewGRFData();
    00976
    00977   return true;
    00978 }
    00979
    00980 static bool StationCatchmentChanged(int32 p1)
    00981 {
    00982   Station::RecomputeIndustriesNearForAll();
    00983   return true;
    00984 }
    00985
    00986 #ifdef ENABLE_NETWORK
    00987
    00988 static bool UpdateClientName(int32 p1)
    00989 {
    00990   NetworkUpdateClientName();
    00991   return true;
    00992 }
    00993
    00994 static bool UpdateServerPassword(int32 p1)
    00995 {
    00996   if (strcmp(_settings_client.network.server_password, "*") == 0) {
    00997     _settings_client.network.server_password[0] = '\0';
    00998   }
    00999
    01000   return true;
    01001 }
    01002
    01003 static bool UpdateRconPassword(int32 p1)
    01004 {
    01005   if (strcmp(_settings_client.network.rcon_password, "*") == 0) {
    01006     _settings_client.network.rcon_password[0] = '\0';
    01007   }
    01008
    01009   return true;
    01010 }
    01011
    01012 static bool UpdateClientConfigValues(int32 p1)
    01013 {
    01014   if (_network_server) NetworkServerSendConfigUpdate();
    01015
    01016   return true;
    01017 }
    01018
    01019 #endif /* ENABLE_NETWORK */
    01020
    01021
    01022 /* End - Callback Functions */
    01023
    01027 static void PrepareOldDiffCustom()
    01028 {
    01029   memset(_old_diff_custom, 0, sizeof(_old_diff_custom));
    01030 }
    01031
    01038 static void HandleOldDiffCustom(bool savegame)
    01039 {
    01040   uint options_to_load = GAME_DIFFICULTY_NUM - ((savegame && CheckSavegameVersion(4)) ? 1 : 0);
    01041
    01042   if (!savegame) {
    01043     /* If we did read to old_diff_custom, then at least one value must be non 0. */
    01044     bool old_diff_custom_used = false;
    01045     for (uint i = 0; i < options_to_load && !old_diff_custom_used; i++) {
    01046       old_diff_custom_used = (_old_diff_custom[i] != 0);
    01047     }
    01048
    01049     if (!old_diff_custom_used) return;
    01050   }
    01051
    01052   for (uint i = 0; i < options_to_load; i++) {
    01053     const SettingDesc *sd = &_settings[i];
    01054     /* Skip deprecated options */
    01055     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    01056     void *var = GetVariableAddress(savegame ? &_settings_game : &_settings_newgame, &sd->save);
    01057     Write_ValidateSetting(var, sd, (int32)((i == 4 ? 1000 : 1) * _old_diff_custom[i]));
    01058   }
    01059 }
    01060
    01065 static bool ConvertOldNewsSetting(const char *name, const char *value)
    01066 {
    01067   if (strcasecmp(name, "openclose") == 0) {
    01068     /* openclose has been split in "open" and "close".
    01069      * So the job is now to decrypt the value of the old news config
    01070      * and give it to the two newly introduced ones*/
    01071
    01072     NewsDisplay display = ND_OFF; // default
    01073     if (strcasecmp(value, "full") == 0) {
    01074       display = ND_FULL;
    01075     } else if (strcasecmp(value, "summarized") == 0) {
    01076       display = ND_SUMMARY;
    01077     }
    01078     /* tranfert of values */
    01079     _news_type_data[NT_INDUSTRY_OPEN].display = display;
    01080     _news_type_data[NT_INDUSTRY_CLOSE].display = display;
    01081     return true;
    01082   }
    01083   return false;
    01084 }
    01085
    01086 static void NewsDisplayLoadConfig(IniFile *ini, const char *grpname)
    01087 {
    01088   IniGroup *group = ini->GetGroup(grpname);
    01089   IniItem *item;
    01090
    01091   /* If no group exists, return */
    01092   if (group == NULL) return;
    01093
    01094   for (item = group->item; item != NULL; item = item->next) {
    01095     int news_item = -1;
    01096     for (int i = 0; i < NT_END; i++) {
    01097       if (strcasecmp(item->name, _news_type_data[i].name) == 0) {
    01098         news_item = i;
    01099         break;
    01100       }
    01101     }
    01102
    01103     /* the config been read is not within current aceptable config */
    01104     if (news_item == -1) {
    01105       /* if the conversion function cannot process it, advice by a debug warning*/
    01106       if (!ConvertOldNewsSetting(item->name, item->value)) {
    01107         DEBUG(misc, 0, "Invalid display option: %s", item->name);
    01108       }
    01109       /* in all cases, there is nothing left to do */
    01110       continue;
    01111     }
    01112
    01113     if (strcasecmp(item->value, "full") == 0) {
    01114       _news_type_data[news_item].display = ND_FULL;
    01115     } else if (strcasecmp(item->value, "off") == 0) {
    01116       _news_type_data[news_item].display = ND_OFF;
    01117     } else if (strcasecmp(item->value, "summarized") == 0) {
    01118       _news_type_data[news_item].display = ND_SUMMARY;
    01119     } else {
    01120       DEBUG(misc, 0, "Invalid display value: %s", item->value);
    01121       continue;
    01122     }
    01123   }
    01124 }
    01125
    01126 static void AILoadConfig(IniFile *ini, const char *grpname)
    01127 {
    01128   IniGroup *group = ini->GetGroup(grpname);
    01129   IniItem *item;
    01130
    01131   /* Clean any configured AI */
    01132   for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
    01133     AIConfig::GetConfig(c, true)->ChangeAI(NULL);
    01134   }
    01135
    01136   /* If no group exists, return */
    01137   if (group == NULL) return;
    01138
    01139   CompanyID c = COMPANY_FIRST;
    01140   for (item = group->item; c < MAX_COMPANIES && item != NULL; c++, item = item->next) {
    01141     AIConfig *config = AIConfig::GetConfig(c, true);
    01142
    01143     config->ChangeAI(item->name);
    01144     if (!config->HasAI()) {
    01145       if (strcmp(item->name, "none") != 0) {
    01146         DEBUG(ai, 0, "The AI by the name '%s' was no longer found, and removed from the list.", item->name);
    01147         continue;
    01148       }
    01149     }
    01150     if (item->value != NULL) config->StringToSettings(item->value);
    01151   }
    01152 }
    01153
    01154 /* Load a GRF configuration from the given group name */
    01155 static GRFConfig *GRFLoadConfig(IniFile *ini, const char *grpname, bool is_static)
    01156 {
    01157   IniGroup *group = ini->GetGroup(grpname);
    01158   IniItem *item;
    01159   GRFConfig *first = NULL;
    01160   GRFConfig **curr = &first;
    01161
    01162   if (group == NULL) return NULL;
    01163
    01164   for (item = group->item; item != NULL; item = item->next) {
    01165     GRFConfig *c = CallocT<GRFConfig>(1);
    01166     c->filename = strdup(item->name);
    01167
    01168     /* Parse parameters */
    01169     if (!StrEmpty(item->value)) {
    01170       c->num_params = parse_intlist(item->value, (int*)c->param, lengthof(c->param));
    01171       if (c->num_params == (byte)-1) {
    01172         ShowInfoF("ini: error in array '%s'", item->name);
    01173         c->num_params = 0;
    01174       }
    01175     }
    01176
    01177     /* Check if item is valid */
    01178     if (!FillGRFDetails(c, is_static)) {
    01179       const char *msg;
    01180
    01181       if (c->status == GCS_NOT_FOUND) {
    01182         msg = "not found";
    01183       } else if (HasBit(c->flags, GCF_UNSAFE)) {
    01184         msg = "unsafe for static use";
    01185       } else if (HasBit(c->flags, GCF_SYSTEM)) {
    01186         msg = "system NewGRF";
    01187       } else {
    01188         msg = "unknown";
    01189       }
    01190
    01191       ShowInfoF("ini: ignoring invalid NewGRF '%s': %s", item->name, msg);
    01192       ClearGRFConfig(&c);
    01193       continue;
    01194     }
    01195
    01196     /* Check for duplicate GRFID (will also check for duplicate filenames) */
    01197     bool duplicate = false;
    01198     for (const GRFConfig *gc = first; gc != NULL; gc = gc->next) {
    01199       if (gc->grfid == c->grfid) {
    01200         ShowInfoF("ini: ignoring  NewGRF '%s': duplicate GRF ID with '%s'", item->name, gc->filename);
    01201         duplicate = true;
    01202         break;
    01203       }
    01204     }
    01205     if (duplicate) {
    01206       ClearGRFConfig(&c);
    01207       continue;
    01208     }
    01209
    01210     /* Mark file as static to avoid saving in savegame. */
    01211     if (is_static) SetBit(c->flags, GCF_STATIC);
    01212
    01213     /* Add item to list */
    01214     *curr = c;
    01215     curr = &c->next;
    01216   }
    01217
    01218   return first;
    01219 }
    01220
    01221 static void NewsDisplaySaveConfig(IniFile *ini, const char *grpname)
    01222 {
    01223   IniGroup *group = ini->GetGroup(grpname);
    01224
    01225   for (int i = 0; i < NT_END; i++) {
    01226     const char *value;
    01227     int v = _news_type_data[i].display;
    01228
    01229     value = (v == ND_OFF ? "off" : (v == ND_SUMMARY ? "summarized" : "full"));
    01230
    01231     group->GetItem(_news_type_data[i].name, true)->SetValue(value);
    01232   }
    01233 }
    01234
    01235 static void AISaveConfig(IniFile *ini, const char *grpname)
    01236 {
    01237   IniGroup *group = ini->GetGroup(grpname);
    01238
    01239   if (group == NULL) return;
    01240   group->Clear();
    01241
    01242   for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
    01243     AIConfig *config = AIConfig::GetConfig(c, true);
    01244     const char *name;
    01245     char value[1024];
    01246     config->SettingsToString(value, lengthof(value));
    01247
    01248     if (config->HasAI()) {
    01249       name = config->GetName();
    01250     } else {
    01251       name = "none";
    01252     }
    01253
    01254     IniItem *item = new IniItem(group, name, strlen(name));
    01255     item->SetValue(value);
    01256   }
    01257 }
    01258
    01263 static void SaveVersionInConfig(IniFile *ini)
    01264 {
    01265   IniGroup *group = ini->GetGroup("version");
    01266
    01267   char version[9];
    01268   snprintf(version, lengthof(version), "%08X", _openttd_newgrf_version);
    01269
    01270   const char * const versions[][2] = {
    01271     { "version_string", _openttd_revision },
    01272     { "version_number", version }
    01273   };
    01274
    01275   for (uint i = 0; i < lengthof(versions); i++) {
    01276     group->GetItem(versions[i][0], true)->SetValue(versions[i][1]);
    01277   }
    01278 }
    01279
    01280 /* Save a GRF configuration to the given group name */
    01281 static void GRFSaveConfig(IniFile *ini, const char *grpname, const GRFConfig *list)
    01282 {
    01283   ini->RemoveGroup(grpname);
    01284   IniGroup *group = ini->GetGroup(grpname);
    01285   const GRFConfig *c;
    01286
    01287   for (c = list; c != NULL; c = c->next) {
    01288     char params[512];
    01289     GRFBuildParamList(params, c, lastof(params));
    01290
    01291     group->GetItem(c->filename, true)->SetValue(params);
    01292   }
    01293 }
    01294
    01295 /* Common handler for saving/loading variables to the configuration file */
    01296 static void HandleSettingDescs(IniFile *ini, SettingDescProc *proc, SettingDescProcList *proc_list)
    01297 {
    01298   proc(ini, (const SettingDesc*)_misc_settings,    "misc",  NULL);
    01299   proc(ini, (const SettingDesc*)_music_settings,   "music", &msf);
    01300 #if defined(WIN32) && !defined(DEDICATED)
    01301   proc(ini, (const SettingDesc*)_win32_settings,   "win32", NULL);
    01302 #endif /* WIN32 */
    01303
    01304   proc(ini, _settings,         "patches",  &_settings_newgame);
    01305   proc(ini, _currency_settings,"currency", &_custom_currency);
    01306   proc(ini, _company_settings, "company",  &_settings_client.company);
    01307
    01308 #ifdef ENABLE_NETWORK
    01309   proc_list(ini, "server_bind_addresses", &_network_bind_list);
    01310   proc_list(ini, "servers", &_network_host_list);
    01311   proc_list(ini, "bans",    &_network_ban_list);
    01312 #endif /* ENABLE_NETWORK */
    01313 }
    01314
    01315 static IniFile *IniLoadConfig()
    01316 {
    01317   IniFile *ini = new IniFile(_list_group_names);
    01318   ini->LoadFromDisk(_config_file);
    01319   return ini;
    01320 }
    01321
    01323 void LoadFromConfig()
    01324 {
    01325   IniFile *ini = IniLoadConfig();
    01326   ResetCurrencies(false); // Initialize the array of curencies, without preserving the custom one
    01327
    01328   HandleSettingDescs(ini, ini_load_settings, ini_load_setting_list);
    01329   _grfconfig_newgame = GRFLoadConfig(ini, "newgrf", false);
    01330   _grfconfig_static  = GRFLoadConfig(ini, "newgrf-static", true);
    01331   NewsDisplayLoadConfig(ini, "news_display");
    01332   AILoadConfig(ini, "ai_players");
    01333
    01334   PrepareOldDiffCustom();
    01335   ini_load_settings(ini, _gameopt_settings, "gameopt",  &_settings_newgame);
    01336   HandleOldDiffCustom(false);
    01337
    01338   CheckDifficultyLevels();
    01339   delete ini;
    01340 }
    01341
    01343 void SaveToConfig()
    01344 {
    01345   IniFile *ini = IniLoadConfig();
    01346
    01347   /* Remove some obsolete groups. These have all been loaded into other groups. */
    01348   ini->RemoveGroup("patches");
    01349   ini->RemoveGroup("yapf");
    01350   ini->RemoveGroup("gameopt");
    01351
    01352   HandleSettingDescs(ini, ini_save_settings, ini_save_setting_list);
    01353   GRFSaveConfig(ini, "newgrf", _grfconfig_newgame);
    01354   GRFSaveConfig(ini, "newgrf-static", _grfconfig_static);
    01355   NewsDisplaySaveConfig(ini, "news_display");
    01356   AISaveConfig(ini, "ai_players");
    01357   SaveVersionInConfig(ini);
    01358   ini->SaveToDisk(_config_file);
    01359   delete ini;
    01360 }
    01361
    01362 void GetGRFPresetList(GRFPresetList *list)
    01363 {
    01364   list->Clear();
    01365
    01366   IniFile *ini = IniLoadConfig();
    01367   IniGroup *group;
    01368   for (group = ini->group; group != NULL; group = group->next) {
    01369     if (strncmp(group->name, "preset-", 7) == 0) {
    01370       *list->Append() = strdup(group->name + 7);
    01371     }
    01372   }
    01373
    01374   delete ini;
    01375 }
    01376
    01377 GRFConfig *LoadGRFPresetFromConfig(const char *config_name)
    01378 {
    01379   char *section = (char*)alloca(strlen(config_name) + 8);
    01380   sprintf(section, "preset-%s", config_name);
    01381
    01382   IniFile *ini = IniLoadConfig();
    01383   GRFConfig *config = GRFLoadConfig(ini, section, false);
    01384   delete ini;
    01385
    01386   return config;
    01387 }
    01388
    01389 void SaveGRFPresetToConfig(const char *config_name, GRFConfig *config)
    01390 {
    01391   char *section = (char*)alloca(strlen(config_name) + 8);
    01392   sprintf(section, "preset-%s", config_name);
    01393
    01394   IniFile *ini = IniLoadConfig();
    01395   GRFSaveConfig(ini, section, config);
    01396   ini->SaveToDisk(_config_file);
    01397   delete ini;
    01398 }
    01399
    01400 void DeleteGRFPresetFromConfig(const char *config_name)
    01401 {
    01402   char *section = (char*)alloca(strlen(config_name) + 8);
    01403   sprintf(section, "preset-%s", config_name);
    01404
    01405   IniFile *ini = IniLoadConfig();
    01406   ini->RemoveGroup(section);
    01407   ini->SaveToDisk(_config_file);
    01408   delete ini;
    01409 }
    01410
    01411 static const SettingDesc *GetSettingDescription(uint index)
    01412 {
    01413   if (index >= lengthof(_settings)) return NULL;
    01414   return &_settings[index];
    01415 }
    01416
    01427 CommandCost CmdChangeSetting(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01428 {
    01429   const SettingDesc *sd = GetSettingDescription(p1);
    01430
    01431   if (sd == NULL) return CMD_ERROR;
    01432   if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) return CMD_ERROR;
    01433
    01434   if ((sd->desc.flags & SGF_NETWORK_ONLY) && !_networking && _game_mode != GM_MENU) return CMD_ERROR;
    01435   if ((sd->desc.flags & SGF_NO_NETWORK) && _networking) return CMD_ERROR;
    01436   if ((sd->desc.flags & SGF_NEWGAME_ONLY) &&
    01437       (_game_mode == GM_NORMAL ||
    01438       (_game_mode == GM_EDITOR && (sd->desc.flags & SGF_SCENEDIT_TOO) == 0))) {
    01439     return CMD_ERROR;
    01440   }
    01441
    01442   if (flags & DC_EXEC) {
    01443     GameSettings *s = (_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game;
    01444     void *var = GetVariableAddress(s, &sd->save);
    01445
    01446     int32 oldval = (int32)ReadValue(var, sd->save.conv);
    01447     int32 newval = (int32)p2;
    01448
    01449     Write_ValidateSetting(var, sd, newval);
    01450     newval = (int32)ReadValue(var, sd->save.conv);
    01451
    01452     if (oldval == newval) return CommandCost();
    01453
    01454     if (sd->desc.proc != NULL && !sd->desc.proc(newval)) {
    01455       WriteValue(var, sd->save.conv, (int64)oldval);
    01456       return CommandCost();
    01457     }
    01458
    01459     if (sd->desc.flags & SGF_NO_NETWORK) {
    01460       GamelogStartAction(GLAT_SETTING);
    01461       GamelogSetting(sd->desc.name, oldval, newval);
    01462       GamelogStopAction();
    01463     }
    01464
    01465     SetWindowDirty(WC_GAME_OPTIONS, 0);
    01466   }
    01467
    01468   return CommandCost();
    01469 }
    01470
    01480 CommandCost CmdChangeCompanySetting(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01481 {
    01482   if (p1 >= lengthof(_company_settings)) return CMD_ERROR;
    01483   const SettingDesc *sd = &_company_settings[p1];
    01484
    01485   if (flags & DC_EXEC) {
    01486     void *var = GetVariableAddress(&Company::Get(_current_company)->settings, &sd->save);
    01487
    01488     int32 oldval = (int32)ReadValue(var, sd->save.conv);
    01489     int32 newval = (int32)p2;
    01490
    01491     Write_ValidateSetting(var, sd, newval);
    01492     newval = (int32)ReadValue(var, sd->save.conv);
    01493
    01494     if (oldval == newval) return CommandCost();
    01495
    01496     if (sd->desc.proc != NULL && !sd->desc.proc(newval)) {
    01497       WriteValue(var, sd->save.conv, (int64)oldval);
    01498       return CommandCost();
    01499     }
    01500
    01501     SetWindowDirty(WC_GAME_OPTIONS, 0);
    01502   }
    01503
    01504   return CommandCost();
    01505 }
    01506
    01512 bool SetSettingValue(uint index, int32 value)
    01513 {
    01514   const SettingDesc *sd = &_settings[index];
    01515   /* If an item is company-based, we do not send it over the network
    01516    * (if any) to change. Also *hack*hack* we update the _newgame version
    01517    * of settings because changing a company-based setting in a game also
    01518    * changes its defaults. At least that is the convention we have chosen */
    01519   if (sd->save.conv & SLF_NETWORK_NO) {
    01520     void *var = GetVariableAddress((_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game, &sd->save);
    01521     Write_ValidateSetting(var, sd, value);
    01522
    01523     if (_game_mode != GM_MENU) {
    01524       void *var2 = GetVariableAddress(&_settings_newgame, &sd->save);
    01525       Write_ValidateSetting(var2, sd, value);
    01526     }
    01527     if (sd->desc.proc != NULL) sd->desc.proc((int32)ReadValue(var, sd->save.conv));
    01528     SetWindowDirty(WC_GAME_OPTIONS, 0);
    01529     return true;
    01530   }
    01531
    01532   /* send non-company-based settings over the network */
    01533   if (!_networking || (_networking && _network_server)) {
    01534     return DoCommandP(0, index, value, CMD_CHANGE_SETTING);
    01535   }
    01536   return false;
    01537 }
    01538
    01544 void SetCompanySetting(uint index, int32 value)
    01545 {
    01546   const SettingDesc *sd = &_company_settings[index];
    01547   if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
    01548     DoCommandP(0, index, value, CMD_CHANGE_COMPANY_SETTING);
    01549   } else {
    01550     void *var = GetVariableAddress(&_settings_client.company, &sd->save);
    01551     Write_ValidateSetting(var, sd, value);
    01552     if (sd->desc.proc != NULL) sd->desc.proc((int32)ReadValue(var, sd->save.conv));
    01553   }
    01554 }
    01555
    01559 void SetDefaultCompanySettings(CompanyID cid)
    01560 {
    01561   Company *c = Company::Get(cid);
    01562   const SettingDesc *sd;
    01563   for (sd = _company_settings; sd->save.cmd != SL_END; sd++) {
    01564     void *var = GetVariableAddress(&c->settings, &sd->save);
    01565     Write_ValidateSetting(var, sd, (int32)(size_t)sd->desc.def);
    01566   }
    01567 }
    01568
    01569 #if defined(ENABLE_NETWORK)
    01570
    01573 void SyncCompanySettings()
    01574 {
    01575   const SettingDesc *sd;
    01576   uint i = 0;
    01577   for (sd = _company_settings; sd->save.cmd != SL_END; sd++, i++) {
    01578     const void *old_var = GetVariableAddress(&Company::Get(_current_company)->settings, &sd->save);
    01579     const void *new_var = GetVariableAddress(&_settings_client.company, &sd->save);
    01580     uint32 old_value = (uint32)ReadValue(old_var, sd->save.conv);
    01581     uint32 new_value = (uint32)ReadValue(new_var, sd->save.conv);
    01582     if (old_value != new_value) NetworkSend_Command(0, i, new_value, CMD_CHANGE_COMPANY_SETTING, NULL, NULL);
    01583   }
    01584 }
    01585 #endif /* ENABLE_NETWORK */
    01586
    01592 uint GetCompanySettingIndex(const char *name)
    01593 {
    01594   uint i;
    01595   const SettingDesc *sd = GetSettingFromName(name, &i);
    01596   assert(sd != NULL && (sd->desc.flags & SGF_PER_COMPANY) != 0);
    01597   return i;
    01598 }
    01599
    01606 bool SetSettingValue(uint index, const char *value)
    01607 {
    01608   const SettingDesc *sd = &_settings[index];
    01609   assert(sd->save.conv & SLF_NETWORK_NO);
    01610
    01611   char *var = (char*)GetVariableAddress(NULL, &sd->save);
    01612   ttd_strlcpy(var, value, sd->save.length);
    01613   if (sd->desc.proc != NULL) sd->desc.proc(0);
    01614
    01615   return true;
    01616 }
    01617
    01625 const SettingDesc *GetSettingFromName(const char *name, uint *i)
    01626 {
    01627   const SettingDesc *sd;
    01628
    01629   /* First check all full names */
    01630   for (*i = 0, sd = _settings; sd->save.cmd != SL_END; sd++, (*i)++) {
    01631     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    01632     if (strcmp(sd->desc.name, name) == 0) return sd;
    01633   }
    01634
    01635   /* Then check the shortcut variant of the name. */
    01636   for (*i = 0, sd = _settings; sd->save.cmd != SL_END; sd++, (*i)++) {
    01637     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    01638     const char *short_name = strchr(sd->desc.name, '.');
    01639     if (short_name != NULL) {
    01640       short_name++;
    01641       if (strcmp(short_name, name) == 0) return sd;
    01642     }
    01643   }
    01644
    01645   if (strncmp(name, "company.", 8) == 0) name += 8;
    01646   /* And finally the company-based settings */
    01647   for (*i = 0, sd = _company_settings; sd->save.cmd != SL_END; sd++, (*i)++) {
    01648     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    01649     if (strcmp(sd->desc.name, name) == 0) return sd;
    01650   }
    01651
    01652   return NULL;
    01653 }
    01654
    01655 /* Those 2 functions need to be here, else we have to make some stuff non-static
    01656  * and besides, it is also better to keep stuff like this at the same place */
    01657 void IConsoleSetSetting(const char *name, const char *value)
    01658 {
    01659   uint index;
    01660   const SettingDesc *sd = GetSettingFromName(name, &index);
    01661
    01662   if (sd == NULL) {
    01663     IConsolePrintF(CC_WARNING, "'%s' is an unknown setting.", name);
    01664     return;
    01665   }
    01666
    01667   bool success;
    01668   if (sd->desc.cmd == SDT_STRING) {
    01669     success = SetSettingValue(index, value);
    01670   } else {
    01671     uint32 val;
    01672     extern bool GetArgumentInteger(uint32 *value, const char *arg);
    01673     success = GetArgumentInteger(&val, value);
    01674     if (!success) {
    01675       IConsolePrintF(CC_ERROR, "'%s' is not an integer.", value);
    01676       return;
    01677     }
    01678
    01679     success = SetSettingValue(index, val);
    01680   }
    01681
    01682   if (!success) {
    01683     if (_network_server) {
    01684       IConsoleError("This command/variable is not available during network games.");
    01685     } else {
    01686       IConsoleError("This command/variable is only available to a network server.");
    01687     }
    01688   }
    01689 }
    01690
    01691 void IConsoleSetSetting(const char *name, int value)
    01692 {
    01693   uint index;
    01694   const SettingDesc *sd = GetSettingFromName(name, &index);
    01695   assert(sd != NULL);
    01696   SetSettingValue(index, value);
    01697 }
    01698
    01703 void IConsoleGetSetting(const char *name)
    01704 {
    01705   char value[20];
    01706   uint index;
    01707   const SettingDesc *sd = GetSettingFromName(name, &index);
    01708   const void *ptr;
    01709
    01710   if (sd == NULL) {
    01711     IConsolePrintF(CC_WARNING, "'%s' is an unknown setting.", name);
    01712     return;
    01713   }
    01714
    01715   ptr = GetVariableAddress((_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game, &sd->save);
    01716
    01717   if (sd->desc.cmd == SDT_STRING) {
    01718     IConsolePrintF(CC_WARNING, "Current value for '%s' is: '%s'", name, (const char *)ptr);
    01719   } else {
    01720     if (sd->desc.cmd == SDT_BOOLX) {
    01721       snprintf(value, sizeof(value), (*(bool*)ptr == 1) ? "on" : "off");
    01722     } else {
    01723       snprintf(value, sizeof(value), "%d", (int32)ReadValue(ptr, sd->save.conv));
    01724     }
    01725
    01726     IConsolePrintF(CC_WARNING, "Current value for '%s' is: '%s' (min: %s%d, max: %d)",
    01727       name, value, (sd->desc.flags & SGF_0ISDISABLED) ? "(0) " : "", sd->desc.min, sd->desc.max);
    01728   }
    01729 }
    01730
    01736 void IConsoleListSettings(const char *prefilter)
    01737 {
    01738   IConsolePrintF(CC_WARNING, "All settings with their current value:");
    01739
    01740   for (const SettingDesc *sd = _settings; sd->save.cmd != SL_END; sd++) {
    01741     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    01742     if (prefilter != NULL) {
    01743       if (strncmp(sd->desc.name, prefilter, min(strlen(sd->desc.name), strlen(prefilter))) != 0) continue;
    01744     }
    01745     char value[80];
    01746     const void *ptr = GetVariableAddress((_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game, &sd->save);
    01747
    01748     if (sd->desc.cmd == SDT_BOOLX) {
    01749       snprintf(value, lengthof(value), (*(bool*)ptr == 1) ? "on" : "off");
    01750     } else if (sd->desc.cmd == SDT_STRING) {
    01751       snprintf(value, sizeof(value), "%s", (const char *)ptr);
    01752     } else {
    01753       snprintf(value, lengthof(value), "%d", (uint32)ReadValue(ptr, sd->save.conv));
    01754     }
    01755     IConsolePrintF(CC_DEFAULT, "%s = %s", sd->desc.name, value);
    01756   }
    01757
    01758   IConsolePrintF(CC_WARNING, "Use 'setting' command to change a value");
    01759 }
    01760
    01765 static void LoadSettings(const SettingDesc *osd, void *object)
    01766 {
    01767   for (; osd->save.cmd != SL_END; osd++) {
    01768     const SaveLoad *sld = &osd->save;
    01769     void *ptr = GetVariableAddress(object, sld);
    01770
    01771     if (!SlObjectMember(ptr, sld)) continue;
    01772   }
    01773 }
    01774
    01779 static inline void LoadSettingsGlobList(const SettingDescGlobVarList *sdg)
    01780 {
    01781   LoadSettings((const SettingDesc*)sdg, NULL);
    01782 }
    01783
    01788 static void SaveSettings(const SettingDesc *sd, void *object)
    01789 {
    01790   /* We need to write the CH_RIFF header, but unfortunately can't call
    01791    * SlCalcLength() because we have a different format. So do this manually */
    01792   const SettingDesc *i;
    01793   size_t length = 0;
    01794   for (i = sd; i->save.cmd != SL_END; i++) {
    01795     length += SlCalcObjMemberLength(object, &i->save);
    01796   }
    01797   SlSetLength(length);
    01798
    01799   for (i = sd; i->save.cmd != SL_END; i++) {
    01800     void *ptr = GetVariableAddress(object, &i->save);
    01801     SlObjectMember(ptr, &i->save);
    01802   }
    01803 }
    01804
    01808 static inline void SaveSettingsGlobList(const SettingDescGlobVarList *sdg)
    01809 {
    01810   SaveSettings((const SettingDesc*)sdg, NULL);
    01811 }
    01812
    01813 static void Load_OPTS()
    01814 {
    01815   /* Copy over default setting since some might not get loaded in
    01816    * a networking environment. This ensures for example that the local
    01817    * autosave-frequency stays when joining a network-server */
    01818   PrepareOldDiffCustom();
    01819   LoadSettings(_gameopt_settings, &_settings_game);
    01820   HandleOldDiffCustom(true);
    01821 }
    01822
    01823 static void Load_PATS()
    01824 {
    01825   /* Copy over default setting since some might not get loaded in
    01826    * a networking environment. This ensures for example that the local
    01827    * signal_side stays when joining a network-server */
    01828   LoadSettings(_settings, &_settings_game);
    01829 }
    01830
    01831 static void Save_PATS()
    01832 {
    01833   SaveSettings(_settings, &_settings_game);
    01834 }
    01835
    01836 void CheckConfig()
    01837 {
    01838   /*
    01839    * Increase old default values for pf_maxdepth and pf_maxlength
    01840    * to support big networks.
    01841    */
    01842   if (_settings_newgame.pf.opf.pf_maxdepth == 16 && _settings_newgame.pf.opf.pf_maxlength == 512) {
    01843     _settings_newgame.pf.opf.pf_maxdepth = 48;
    01844     _settings_newgame.pf.opf.pf_maxlength = 4096;
    01845   }
    01846 }
    01847
    01848 extern const ChunkHandler _setting_chunk_handlers[] = {
    01849   { 'OPTS', NULL,      Load_OPTS, NULL, CH_RIFF},
    01850   { 'PATS', Save_PATS, Load_PATS, NULL, CH_RIFF | CH_LAST},
    01851 };
    01852
    01853 static bool IsSignedVarMemType(VarType vt)
    01854 {
    01855   switch (GetVarMemType(vt)) {
    01856     case SLE_VAR_I8:
    01857     case SLE_VAR_I16:
    01858     case SLE_VAR_I32:
    01859     case SLE_VAR_I64:
    01860       return true;
    01861   }
    01862   return false;
    01863 }