station_sl.cpp

Go to the documentation of this file.
00001 /* $Id: station_sl.cpp 25340 2013-06-09 09:38:21Z 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 
00012 #include "../stdafx.h"
00013 #include "../station_base.h"
00014 #include "../waypoint_base.h"
00015 #include "../roadstop_base.h"
00016 #include "../vehicle_base.h"
00017 #include "../newgrf_station.h"
00018 
00019 #include "saveload.h"
00020 #include "table/strings.h"
00021 
00026 static void UpdateWaypointOrder(Order *o)
00027 {
00028   if (!o->IsType(OT_GOTO_STATION)) return;
00029 
00030   const Station *st = Station::Get(o->GetDestination());
00031   if ((st->had_vehicle_of_type & HVOT_WAYPOINT) == 0) return;
00032 
00033   o->MakeGoToWaypoint(o->GetDestination());
00034 }
00035 
00040 void MoveBuoysToWaypoints()
00041 {
00042   /* Buoy orders become waypoint orders */
00043   OrderList *ol;
00044   FOR_ALL_ORDER_LISTS(ol) {
00045     VehicleType vt = ol->GetFirstSharedVehicle()->type;
00046     if (vt != VEH_SHIP && vt != VEH_TRAIN) continue;
00047 
00048     for (Order *o = ol->GetFirstOrder(); o != NULL; o = o->next) UpdateWaypointOrder(o);
00049   }
00050 
00051   Vehicle *v;
00052   FOR_ALL_VEHICLES(v) {
00053     VehicleType vt = v->type;
00054     if (vt != VEH_SHIP && vt != VEH_TRAIN) continue;
00055 
00056     UpdateWaypointOrder(&v->current_order);
00057   }
00058 
00059   /* Now make the stations waypoints */
00060   Station *st;
00061   FOR_ALL_STATIONS(st) {
00062     if ((st->had_vehicle_of_type & HVOT_WAYPOINT) == 0) continue;
00063 
00064     StationID index    = st->index;
00065     TileIndex xy       = st->xy;
00066     Town *town         = st->town;
00067     StringID string_id = st->string_id;
00068     char *name         = st->name;
00069     st->name           = NULL;
00070     Date build_date    = st->build_date;
00071     /* TTDPatch could use "buoys with rail station" for rail waypoints */
00072     bool train         = st->train_station.tile != INVALID_TILE;
00073     TileArea train_st  = st->train_station;
00074 
00075     /* Delete the station, so we can make it a real waypoint. */
00076     delete st;
00077 
00078     /* Stations and waypoints are in the same pool, so if a station
00079      * is deleted there must be place for a Waypoint. */
00080     assert(Waypoint::CanAllocateItem());
00081     Waypoint *wp   = new (index) Waypoint(xy);
00082     wp->town       = town;
00083     wp->string_id  = train ? STR_SV_STNAME_WAYPOINT : STR_SV_STNAME_BUOY;
00084     wp->name       = name;
00085     wp->delete_ctr = 0; // Just reset delete counter for once.
00086     wp->build_date = build_date;
00087     wp->owner      = train ? GetTileOwner(xy) : OWNER_NONE;
00088 
00089     if (IsInsideBS(string_id, STR_SV_STNAME_BUOY, 9)) wp->town_cn = string_id - STR_SV_STNAME_BUOY;
00090 
00091     if (train) {
00092       /* When we make a rail waypoint of the station, convert the map as well. */
00093       TILE_AREA_LOOP(t, train_st) {
00094         if (!IsTileType(t, MP_STATION) || GetStationIndex(t) != index) continue;
00095 
00096         SB(_m[t].m6, 3, 3, STATION_WAYPOINT);
00097         wp->rect.BeforeAddTile(t, StationRect::ADD_FORCE);
00098       }
00099 
00100       wp->train_station = train_st;
00101       wp->facilities |= FACIL_TRAIN;
00102     } else if (IsBuoyTile(xy) && GetStationIndex(xy) == index) {
00103       wp->rect.BeforeAddTile(xy, StationRect::ADD_FORCE);
00104       wp->facilities |= FACIL_DOCK;
00105     }
00106   }
00107 }
00108 
00109 void AfterLoadStations()
00110 {
00111   /* Update the speclists of all stations to point to the currently loaded custom stations. */
00112   BaseStation *st;
00113   FOR_ALL_BASE_STATIONS(st) {
00114     for (uint i = 0; i < st->num_specs; i++) {
00115       if (st->speclist[i].grfid == 0) continue;
00116 
00117       st->speclist[i].spec = StationClass::GetByGrf(st->speclist[i].grfid, st->speclist[i].localidx, NULL);
00118     }
00119 
00120     if (Station::IsExpected(st)) {
00121       Station *sta = Station::From(st);
00122       for (const RoadStop *rs = sta->bus_stops; rs != NULL; rs = rs->next) sta->bus_station.Add(rs->xy);
00123       for (const RoadStop *rs = sta->truck_stops; rs != NULL; rs = rs->next) sta->truck_station.Add(rs->xy);
00124     }
00125 
00126     StationUpdateCachedTriggers(st);
00127   }
00128 }
00129 
00133 void AfterLoadRoadStops()
00134 {
00135   /* First construct the drive through entries */
00136   RoadStop *rs;
00137   FOR_ALL_ROADSTOPS(rs) {
00138     if (IsDriveThroughStopTile(rs->xy)) rs->MakeDriveThrough();
00139   }
00140   /* And then rebuild the data in those entries */
00141   FOR_ALL_ROADSTOPS(rs) {
00142     if (!HasBit(rs->status, RoadStop::RSSFB_BASE_ENTRY)) continue;
00143 
00144     rs->GetEntry(DIAGDIR_NE)->Rebuild(rs);
00145     rs->GetEntry(DIAGDIR_NW)->Rebuild(rs);
00146   }
00147 }
00148 
00149 static const SaveLoad _roadstop_desc[] = {
00150   SLE_VAR(RoadStop, xy,           SLE_UINT32),
00151   SLE_CONDNULL(1, 0, 44),
00152   SLE_VAR(RoadStop, status,       SLE_UINT8),
00153   /* Index was saved in some versions, but this is not needed */
00154   SLE_CONDNULL(4, 0, 8),
00155   SLE_CONDNULL(2, 0, 44),
00156   SLE_CONDNULL(1, 0, 25),
00157 
00158   SLE_REF(RoadStop, next,         REF_ROADSTOPS),
00159   SLE_CONDNULL(2, 0, 44),
00160 
00161   SLE_CONDNULL(4, 0, 24),
00162   SLE_CONDNULL(1, 25, 25),
00163 
00164   SLE_END()
00165 };
00166 
00167 static const SaveLoad _old_station_desc[] = {
00168   SLE_CONDVAR(Station, xy,                         SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00169   SLE_CONDVAR(Station, xy,                         SLE_UINT32,                  6, SL_MAX_VERSION),
00170   SLE_CONDNULL(4, 0, 5),  
00171   SLE_CONDVAR(Station, train_station.tile,         SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00172   SLE_CONDVAR(Station, train_station.tile,         SLE_UINT32,                  6, SL_MAX_VERSION),
00173   SLE_CONDVAR(Station, airport.tile,               SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00174   SLE_CONDVAR(Station, airport.tile,               SLE_UINT32,                  6, SL_MAX_VERSION),
00175   SLE_CONDVAR(Station, dock_tile,                  SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00176   SLE_CONDVAR(Station, dock_tile,                  SLE_UINT32,                  6, SL_MAX_VERSION),
00177       SLE_REF(Station, town,                       REF_TOWN),
00178       SLE_VAR(Station, train_station.w,            SLE_FILE_U8 | SLE_VAR_U16),
00179   SLE_CONDVAR(Station, train_station.h,            SLE_FILE_U8 | SLE_VAR_U16,   2, SL_MAX_VERSION),
00180 
00181   SLE_CONDNULL(1, 0, 3),  
00182 
00183       SLE_VAR(Station, string_id,                  SLE_STRINGID),
00184   SLE_CONDSTR(Station, name,                       SLE_STR | SLF_ALLOW_CONTROL, 0, 84, SL_MAX_VERSION),
00185   SLE_CONDVAR(Station, indtype,                    SLE_UINT8,                 103, SL_MAX_VERSION),
00186   SLE_CONDVAR(Station, had_vehicle_of_type,        SLE_FILE_U16 | SLE_VAR_U8,   0, 121),
00187   SLE_CONDVAR(Station, had_vehicle_of_type,        SLE_UINT8,                 122, SL_MAX_VERSION),
00188 
00189       SLE_VAR(Station, time_since_load,            SLE_UINT8),
00190       SLE_VAR(Station, time_since_unload,          SLE_UINT8),
00191       SLE_VAR(Station, delete_ctr,                 SLE_UINT8),
00192       SLE_VAR(Station, owner,                      SLE_UINT8),
00193       SLE_VAR(Station, facilities,                 SLE_UINT8),
00194       SLE_VAR(Station, airport.type,               SLE_UINT8),
00195 
00196   SLE_CONDNULL(2, 0, 5),  
00197   SLE_CONDNULL(1, 0, 4),  
00198 
00199   SLE_CONDVAR(Station, airport.flags,              SLE_VAR_U64 | SLE_FILE_U16,  0,  2),
00200   SLE_CONDVAR(Station, airport.flags,              SLE_VAR_U64 | SLE_FILE_U32,  3, 45),
00201   SLE_CONDVAR(Station, airport.flags,              SLE_UINT64,                 46, SL_MAX_VERSION),
00202 
00203   SLE_CONDNULL(2, 0, 25), 
00204   SLE_CONDVAR(Station, last_vehicle_type,          SLE_UINT8,                  26, SL_MAX_VERSION),
00205 
00206   SLE_CONDNULL(2, 3, 25), 
00207   SLE_CONDVAR(Station, build_date,                 SLE_FILE_U16 | SLE_VAR_I32,  3, 30),
00208   SLE_CONDVAR(Station, build_date,                 SLE_INT32,                  31, SL_MAX_VERSION),
00209 
00210   SLE_CONDREF(Station, bus_stops,                  REF_ROADSTOPS,               6, SL_MAX_VERSION),
00211   SLE_CONDREF(Station, truck_stops,                REF_ROADSTOPS,               6, SL_MAX_VERSION),
00212 
00213   /* Used by newstations for graphic variations */
00214   SLE_CONDVAR(Station, random_bits,                SLE_UINT16,                 27, SL_MAX_VERSION),
00215   SLE_CONDVAR(Station, waiting_triggers,           SLE_UINT8,                  27, SL_MAX_VERSION),
00216   SLE_CONDVAR(Station, num_specs,                  SLE_UINT8,                  27, SL_MAX_VERSION),
00217 
00218   SLE_CONDLST(Station, loading_vehicles,           REF_VEHICLE,                57, SL_MAX_VERSION),
00219 
00220   /* reserve extra space in savegame here. (currently 32 bytes) */
00221   SLE_CONDNULL(32, 2, SL_MAX_VERSION),
00222 
00223   SLE_END()
00224 };
00225 
00226 static uint16 _waiting_acceptance;
00227 static uint16 _cargo_source;
00228 static uint32 _cargo_source_xy;
00229 static uint8  _cargo_days;
00230 static Money  _cargo_feeder_share;
00231 
00232 static const SaveLoad _station_speclist_desc[] = {
00233   SLE_CONDVAR(StationSpecList, grfid,    SLE_UINT32, 27, SL_MAX_VERSION),
00234   SLE_CONDVAR(StationSpecList, localidx, SLE_UINT8,  27, SL_MAX_VERSION),
00235 
00236   SLE_END()
00237 };
00238 
00244 const SaveLoad *GetGoodsDesc()
00245 {
00246   static const SaveLoad goods_desc[] = {
00247     SLEG_CONDVAR(            _waiting_acceptance, SLE_UINT16,                  0, 67),
00248      SLE_CONDVAR(GoodsEntry, acceptance_pickup,   SLE_UINT8,                  68, SL_MAX_VERSION),
00249     SLE_CONDNULL(2,                                                           51, 67),
00250          SLE_VAR(GoodsEntry, time_since_pickup,   SLE_UINT8),
00251          SLE_VAR(GoodsEntry, rating,              SLE_UINT8),
00252     SLEG_CONDVAR(            _cargo_source,       SLE_FILE_U8 | SLE_VAR_U16,   0, 6),
00253     SLEG_CONDVAR(            _cargo_source,       SLE_UINT16,                  7, 67),
00254     SLEG_CONDVAR(            _cargo_source_xy,    SLE_UINT32,                 44, 67),
00255     SLEG_CONDVAR(            _cargo_days,         SLE_UINT8,                   0, 67),
00256          SLE_VAR(GoodsEntry, last_speed,          SLE_UINT8),
00257          SLE_VAR(GoodsEntry, last_age,            SLE_UINT8),
00258     SLEG_CONDVAR(            _cargo_feeder_share, SLE_FILE_U32 | SLE_VAR_I64, 14, 64),
00259     SLEG_CONDVAR(            _cargo_feeder_share, SLE_INT64,                  65, 67),
00260      SLE_CONDVAR(GoodsEntry, amount_fract,        SLE_UINT8,                 150, SL_MAX_VERSION),
00261      SLE_CONDLST(GoodsEntry, cargo.packets,       REF_CARGO_PACKET,           68, SL_MAX_VERSION),
00262 
00263     SLE_END()
00264   };
00265 
00266   return goods_desc;
00267 }
00268 
00269 
00270 static void Load_STNS()
00271 {
00272   int index;
00273   while ((index = SlIterateArray()) != -1) {
00274     Station *st = new (index) Station();
00275 
00276     SlObject(st, _old_station_desc);
00277 
00278     _waiting_acceptance = 0;
00279 
00280     uint num_cargo = IsSavegameVersionBefore(55) ? 12 : NUM_CARGO;
00281     for (CargoID i = 0; i < num_cargo; i++) {
00282       GoodsEntry *ge = &st->goods[i];
00283       SlObject(ge, GetGoodsDesc());
00284       if (IsSavegameVersionBefore(68)) {
00285         SB(ge->acceptance_pickup, GoodsEntry::GES_ACCEPTANCE, 1, HasBit(_waiting_acceptance, 15));
00286         if (GB(_waiting_acceptance, 0, 12) != 0) {
00287           /* In old versions, enroute_from used 0xFF as INVALID_STATION */
00288           StationID source = (IsSavegameVersionBefore(7) && _cargo_source == 0xFF) ? INVALID_STATION : _cargo_source;
00289 
00290           /* Make sure we can allocate the CargoPacket. This is safe
00291            * as there can only be ~64k stations and 32 cargoes in these
00292            * savegame versions. As the CargoPacketPool has more than
00293            * 16 million entries; it fits by an order of magnitude. */
00294           assert(CargoPacket::CanAllocateItem());
00295           ge->cargo.Append(new CargoPacket(GB(_waiting_acceptance, 0, 12), _cargo_days, source, _cargo_source_xy, _cargo_source_xy, _cargo_feeder_share));
00296           SB(ge->acceptance_pickup, GoodsEntry::GES_PICKUP, 1, 1);
00297         }
00298       }
00299     }
00300 
00301     if (st->num_specs != 0) {
00302       /* Allocate speclist memory when loading a game */
00303       st->speclist = CallocT<StationSpecList>(st->num_specs);
00304       for (uint i = 0; i < st->num_specs; i++) {
00305         SlObject(&st->speclist[i], _station_speclist_desc);
00306       }
00307     }
00308   }
00309 }
00310 
00311 static void Ptrs_STNS()
00312 {
00313   /* Don't run when savegame version is higher than or equal to 123. */
00314   if (!IsSavegameVersionBefore(123)) return;
00315 
00316   Station *st;
00317   FOR_ALL_STATIONS(st) {
00318     if (!IsSavegameVersionBefore(68)) {
00319       for (CargoID i = 0; i < NUM_CARGO; i++) {
00320         GoodsEntry *ge = &st->goods[i];
00321         SlObject(ge, GetGoodsDesc());
00322       }
00323     }
00324     SlObject(st, _old_station_desc);
00325   }
00326 }
00327 
00328 
00329 static const SaveLoad _base_station_desc[] = {
00330         SLE_VAR(BaseStation, xy,                     SLE_UINT32),
00331         SLE_REF(BaseStation, town,                   REF_TOWN),
00332         SLE_VAR(BaseStation, string_id,              SLE_STRINGID),
00333         SLE_STR(BaseStation, name,                   SLE_STR | SLF_ALLOW_CONTROL, 0),
00334         SLE_VAR(BaseStation, delete_ctr,             SLE_UINT8),
00335         SLE_VAR(BaseStation, owner,                  SLE_UINT8),
00336         SLE_VAR(BaseStation, facilities,             SLE_UINT8),
00337         SLE_VAR(BaseStation, build_date,             SLE_INT32),
00338 
00339   /* Used by newstations for graphic variations */
00340         SLE_VAR(BaseStation, random_bits,            SLE_UINT16),
00341         SLE_VAR(BaseStation, waiting_triggers,       SLE_UINT8),
00342         SLE_VAR(BaseStation, num_specs,              SLE_UINT8),
00343 
00344         SLE_END()
00345 };
00346 
00347 static OldPersistentStorage _old_st_persistent_storage;
00348 
00349 static const SaveLoad _station_desc[] = {
00350   SLE_WRITEBYTE(Station, facilities,                 FACIL_NONE),
00351   SLE_ST_INCLUDE(),
00352 
00353         SLE_VAR(Station, train_station.tile,         SLE_UINT32),
00354         SLE_VAR(Station, train_station.w,            SLE_FILE_U8 | SLE_VAR_U16),
00355         SLE_VAR(Station, train_station.h,            SLE_FILE_U8 | SLE_VAR_U16),
00356 
00357         SLE_REF(Station, bus_stops,                  REF_ROADSTOPS),
00358         SLE_REF(Station, truck_stops,                REF_ROADSTOPS),
00359         SLE_VAR(Station, dock_tile,                  SLE_UINT32),
00360         SLE_VAR(Station, airport.tile,               SLE_UINT32),
00361     SLE_CONDVAR(Station, airport.w,                  SLE_FILE_U8 | SLE_VAR_U16, 140, SL_MAX_VERSION),
00362     SLE_CONDVAR(Station, airport.h,                  SLE_FILE_U8 | SLE_VAR_U16, 140, SL_MAX_VERSION),
00363         SLE_VAR(Station, airport.type,               SLE_UINT8),
00364     SLE_CONDVAR(Station, airport.layout,             SLE_UINT8,                 145, SL_MAX_VERSION),
00365         SLE_VAR(Station, airport.flags,              SLE_UINT64),
00366     SLE_CONDVAR(Station, airport.rotation,           SLE_UINT8,                 145, SL_MAX_VERSION),
00367    SLEG_CONDARR(_old_st_persistent_storage.storage,  SLE_UINT32, 16,            145, 160),
00368     SLE_CONDREF(Station, airport.psa,                REF_STORAGE,               161, SL_MAX_VERSION),
00369 
00370         SLE_VAR(Station, indtype,                    SLE_UINT8),
00371 
00372         SLE_VAR(Station, time_since_load,            SLE_UINT8),
00373         SLE_VAR(Station, time_since_unload,          SLE_UINT8),
00374         SLE_VAR(Station, last_vehicle_type,          SLE_UINT8),
00375         SLE_VAR(Station, had_vehicle_of_type,        SLE_UINT8),
00376         SLE_LST(Station, loading_vehicles,           REF_VEHICLE),
00377     SLE_CONDVAR(Station, always_accepted,            SLE_UINT32, 127, SL_MAX_VERSION),
00378 
00379         SLE_END()
00380 };
00381 
00382 static const SaveLoad _waypoint_desc[] = {
00383   SLE_WRITEBYTE(Waypoint, facilities,                FACIL_WAYPOINT),
00384   SLE_ST_INCLUDE(),
00385 
00386         SLE_VAR(Waypoint, town_cn,                   SLE_UINT16),
00387 
00388     SLE_CONDVAR(Waypoint, train_station.tile,        SLE_UINT32,                  124, SL_MAX_VERSION),
00389     SLE_CONDVAR(Waypoint, train_station.w,           SLE_FILE_U8 | SLE_VAR_U16,   124, SL_MAX_VERSION),
00390     SLE_CONDVAR(Waypoint, train_station.h,           SLE_FILE_U8 | SLE_VAR_U16,   124, SL_MAX_VERSION),
00391 
00392         SLE_END()
00393 };
00394 
00399 const SaveLoad *GetBaseStationDescription()
00400 {
00401   return _base_station_desc;
00402 }
00403 
00404 static void RealSave_STNN(BaseStation *bst)
00405 {
00406   bool waypoint = (bst->facilities & FACIL_WAYPOINT) != 0;
00407   SlObject(bst, waypoint ? _waypoint_desc : _station_desc);
00408 
00409   if (!waypoint) {
00410     Station *st = Station::From(bst);
00411     for (CargoID i = 0; i < NUM_CARGO; i++) {
00412       SlObject(&st->goods[i], GetGoodsDesc());
00413     }
00414   }
00415 
00416   for (uint i = 0; i < bst->num_specs; i++) {
00417     SlObject(&bst->speclist[i], _station_speclist_desc);
00418   }
00419 }
00420 
00421 static void Save_STNN()
00422 {
00423   BaseStation *st;
00424   /* Write the stations */
00425   FOR_ALL_BASE_STATIONS(st) {
00426     SlSetArrayIndex(st->index);
00427     SlAutolength((AutolengthProc*)RealSave_STNN, st);
00428   }
00429 }
00430 
00431 static void Load_STNN()
00432 {
00433   int index;
00434 
00435   while ((index = SlIterateArray()) != -1) {
00436     bool waypoint = (SlReadByte() & FACIL_WAYPOINT) != 0;
00437 
00438     BaseStation *bst = waypoint ? (BaseStation *)new (index) Waypoint() : new (index) Station();
00439     SlObject(bst, waypoint ? _waypoint_desc : _station_desc);
00440 
00441     if (!waypoint) {
00442       Station *st = Station::From(bst);
00443 
00444       /* Before savegame version 161, persistent storages were not stored in a pool. */
00445       if (IsSavegameVersionBefore(161) && !IsSavegameVersionBefore(145) && st->facilities & FACIL_AIRPORT) {
00446         /* Store the old persistent storage. The GRFID will be added later. */
00447         assert(PersistentStorage::CanAllocateItem());
00448         st->airport.psa = new PersistentStorage(0);
00449         memcpy(st->airport.psa->storage, _old_st_persistent_storage.storage, sizeof(st->airport.psa->storage));
00450       }
00451 
00452       for (CargoID i = 0; i < NUM_CARGO; i++) {
00453         SlObject(&st->goods[i], GetGoodsDesc());
00454       }
00455     }
00456 
00457     if (bst->num_specs != 0) {
00458       /* Allocate speclist memory when loading a game */
00459       bst->speclist = CallocT<StationSpecList>(bst->num_specs);
00460       for (uint i = 0; i < bst->num_specs; i++) {
00461         SlObject(&bst->speclist[i], _station_speclist_desc);
00462       }
00463     }
00464   }
00465 }
00466 
00467 static void Ptrs_STNN()
00468 {
00469   /* Don't run when savegame version lower than 123. */
00470   if (IsSavegameVersionBefore(123)) return;
00471 
00472   Station *st;
00473   FOR_ALL_STATIONS(st) {
00474     for (CargoID i = 0; i < NUM_CARGO; i++) {
00475       GoodsEntry *ge = &st->goods[i];
00476       SlObject(ge, GetGoodsDesc());
00477     }
00478     SlObject(st, _station_desc);
00479   }
00480 
00481   Waypoint *wp;
00482   FOR_ALL_WAYPOINTS(wp) {
00483     SlObject(wp, _waypoint_desc);
00484   }
00485 }
00486 
00487 static void Save_ROADSTOP()
00488 {
00489   RoadStop *rs;
00490 
00491   FOR_ALL_ROADSTOPS(rs) {
00492     SlSetArrayIndex(rs->index);
00493     SlObject(rs, _roadstop_desc);
00494   }
00495 }
00496 
00497 static void Load_ROADSTOP()
00498 {
00499   int index;
00500 
00501   while ((index = SlIterateArray()) != -1) {
00502     RoadStop *rs = new (index) RoadStop(INVALID_TILE);
00503 
00504     SlObject(rs, _roadstop_desc);
00505   }
00506 }
00507 
00508 static void Ptrs_ROADSTOP()
00509 {
00510   RoadStop *rs;
00511   FOR_ALL_ROADSTOPS(rs) {
00512     SlObject(rs, _roadstop_desc);
00513   }
00514 }
00515 
00516 extern const ChunkHandler _station_chunk_handlers[] = {
00517   { 'STNS', NULL,          Load_STNS,     Ptrs_STNS,     NULL, CH_ARRAY },
00518   { 'STNN', Save_STNN,     Load_STNN,     Ptrs_STNN,     NULL, CH_ARRAY },
00519   { 'ROAD', Save_ROADSTOP, Load_ROADSTOP, Ptrs_ROADSTOP, NULL, CH_ARRAY | CH_LAST},
00520 };