station_sl.cpp

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00001 /* $Id: station_sl.cpp 19393 2010-03-12 21:12:35Z 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     if (ol->GetFirstSharedVehicle()->type != VEH_SHIP) continue;
00046 
00047     for (Order *o = ol->GetFirstOrder(); o != NULL; o = o->next) UpdateWaypointOrder(o);
00048   }
00049 
00050   Vehicle *v;
00051   FOR_ALL_VEHICLES(v) {
00052     if (v->type != VEH_SHIP) continue;
00053 
00054     UpdateWaypointOrder(&v->current_order);
00055   }
00056 
00057   /* Now make the stations waypoints */
00058   Station *st;
00059   FOR_ALL_STATIONS(st) {
00060     if ((st->had_vehicle_of_type & HVOT_WAYPOINT) == 0) continue;
00061 
00062     StationID index    = st->index;
00063     TileIndex xy       = st->xy;
00064     Town *town         = st->town;
00065     StringID string_id = st->string_id;
00066     char *name         = st->name;
00067     Date build_date    = st->build_date;
00068 
00069     /* Delete the station, so we can make it a real waypoint. */
00070     delete st;
00071 
00072     Waypoint *wp = new (index) Waypoint(xy);
00073     wp->town       = town;
00074     wp->string_id  = STR_SV_STNAME_BUOY;
00075     wp->name       = name;
00076     wp->delete_ctr = 0; // Just reset delete counter for once.
00077     wp->build_date = build_date;
00078     wp->owner      = OWNER_NONE;
00079 
00080     if (IsInsideBS(string_id, STR_SV_STNAME_BUOY, 9)) wp->town_cn = string_id - STR_SV_STNAME_BUOY;
00081 
00082     if (IsBuoyTile(xy) && GetStationIndex(xy) == index) {
00083       wp->facilities |= FACIL_DOCK;
00084     }
00085 
00086     wp->rect.BeforeAddTile(xy, StationRect::ADD_FORCE);
00087   }
00088 }
00089 
00090 void AfterLoadStations()
00091 {
00092   /* Update the speclists of all stations to point to the currently loaded custom stations. */
00093   BaseStation *st;
00094   FOR_ALL_BASE_STATIONS(st) {
00095     for (uint i = 0; i < st->num_specs; i++) {
00096       if (st->speclist[i].grfid == 0) continue;
00097 
00098       st->speclist[i].spec = GetCustomStationSpecByGrf(st->speclist[i].grfid, st->speclist[i].localidx, NULL);
00099     }
00100 
00101     if (Station::IsExpected(st)) {
00102       Station *sta = Station::From(st);
00103       for (const RoadStop *rs = sta->bus_stops; rs != NULL; rs = rs->next) sta->bus_station.Add(rs->xy);
00104       for (const RoadStop *rs = sta->truck_stops; rs != NULL; rs = rs->next) sta->truck_station.Add(rs->xy);
00105     }
00106 
00107     StationUpdateAnimTriggers(st);
00108   }
00109 }
00110 
00114 void AfterLoadRoadStops()
00115 {
00116   /* First construct the drive through entries */
00117   RoadStop *rs;
00118   FOR_ALL_ROADSTOPS(rs) {
00119     if (IsDriveThroughStopTile(rs->xy)) rs->MakeDriveThrough();
00120   }
00121   /* And then rebuild the data in those entries */
00122   FOR_ALL_ROADSTOPS(rs) {
00123     if (!HasBit(rs->status, RoadStop::RSSFB_BASE_ENTRY)) continue;
00124 
00125     rs->GetEntry(DIAGDIR_NE)->Rebuild(rs);
00126     rs->GetEntry(DIAGDIR_NW)->Rebuild(rs);
00127   }
00128 }
00129 
00130 static const SaveLoad _roadstop_desc[] = {
00131   SLE_VAR(RoadStop, xy,           SLE_UINT32),
00132   SLE_CONDNULL(1, 0, 44),
00133   SLE_VAR(RoadStop, status,       SLE_UINT8),
00134   /* Index was saved in some versions, but this is not needed */
00135   SLE_CONDNULL(4, 0, 8),
00136   SLE_CONDNULL(2, 0, 44),
00137   SLE_CONDNULL(1, 0, 25),
00138 
00139   SLE_REF(RoadStop, next,         REF_ROADSTOPS),
00140   SLE_CONDNULL(2, 0, 44),
00141 
00142   SLE_CONDNULL(4, 0, 24),
00143   SLE_CONDNULL(1, 25, 25),
00144 
00145   SLE_END()
00146 };
00147 
00148 static const SaveLoad _old_station_desc[] = {
00149   SLE_CONDVAR(Station, xy,                         SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00150   SLE_CONDVAR(Station, xy,                         SLE_UINT32,                  6, SL_MAX_VERSION),
00151   SLE_CONDNULL(4, 0, 5),  
00152   SLE_CONDVAR(Station, train_station.tile,         SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00153   SLE_CONDVAR(Station, train_station.tile,         SLE_UINT32,                  6, SL_MAX_VERSION),
00154   SLE_CONDVAR(Station, airport_tile,               SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00155   SLE_CONDVAR(Station, airport_tile,               SLE_UINT32,                  6, SL_MAX_VERSION),
00156   SLE_CONDVAR(Station, dock_tile,                  SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00157   SLE_CONDVAR(Station, dock_tile,                  SLE_UINT32,                  6, SL_MAX_VERSION),
00158       SLE_REF(Station, town,                       REF_TOWN),
00159       SLE_VAR(Station, train_station.w,            SLE_FILE_U8 | SLE_VAR_U16),
00160   SLE_CONDVAR(Station, train_station.h,            SLE_FILE_U8 | SLE_VAR_U16,   2, SL_MAX_VERSION),
00161 
00162   SLE_CONDNULL(1, 0, 3),  
00163 
00164       SLE_VAR(Station, string_id,                  SLE_STRINGID),
00165   SLE_CONDSTR(Station, name,                       SLE_STR, 0,                 84, SL_MAX_VERSION),
00166   SLE_CONDVAR(Station, indtype,                    SLE_UINT8,                 103, SL_MAX_VERSION),
00167   SLE_CONDVAR(Station, had_vehicle_of_type,        SLE_FILE_U16 | SLE_VAR_U8,   0, 121),
00168   SLE_CONDVAR(Station, had_vehicle_of_type,        SLE_UINT8,                 122, SL_MAX_VERSION),
00169 
00170       SLE_VAR(Station, time_since_load,            SLE_UINT8),
00171       SLE_VAR(Station, time_since_unload,          SLE_UINT8),
00172       SLE_VAR(Station, delete_ctr,                 SLE_UINT8),
00173       SLE_VAR(Station, owner,                      SLE_UINT8),
00174       SLE_VAR(Station, facilities,                 SLE_UINT8),
00175       SLE_VAR(Station, airport_type,               SLE_UINT8),
00176 
00177   SLE_CONDNULL(2, 0, 5),  
00178   SLE_CONDNULL(1, 0, 4),  
00179 
00180   SLE_CONDVAR(Station, airport_flags,              SLE_VAR_U64 | SLE_FILE_U16,  0,  2),
00181   SLE_CONDVAR(Station, airport_flags,              SLE_VAR_U64 | SLE_FILE_U32,  3, 45),
00182   SLE_CONDVAR(Station, airport_flags,              SLE_UINT64,                 46, SL_MAX_VERSION),
00183 
00184   SLE_CONDNULL(2, 0, 25), 
00185   SLE_CONDVAR(Station, last_vehicle_type,          SLE_UINT8,                  26, SL_MAX_VERSION),
00186 
00187   SLE_CONDNULL(2, 3, 25), 
00188   SLE_CONDVAR(Station, build_date,                 SLE_FILE_U16 | SLE_VAR_I32,  3, 30),
00189   SLE_CONDVAR(Station, build_date,                 SLE_INT32,                  31, SL_MAX_VERSION),
00190 
00191   SLE_CONDREF(Station, bus_stops,                  REF_ROADSTOPS,               6, SL_MAX_VERSION),
00192   SLE_CONDREF(Station, truck_stops,                REF_ROADSTOPS,               6, SL_MAX_VERSION),
00193 
00194   /* Used by newstations for graphic variations */
00195   SLE_CONDVAR(Station, random_bits,                SLE_UINT16,                 27, SL_MAX_VERSION),
00196   SLE_CONDVAR(Station, waiting_triggers,           SLE_UINT8,                  27, SL_MAX_VERSION),
00197   SLE_CONDVAR(Station, num_specs,                  SLE_UINT8,                  27, SL_MAX_VERSION),
00198 
00199   SLE_CONDLST(Station, loading_vehicles,           REF_VEHICLE,                57, SL_MAX_VERSION),
00200 
00201   /* reserve extra space in savegame here. (currently 32 bytes) */
00202   SLE_CONDNULL(32, 2, SL_MAX_VERSION),
00203 
00204   SLE_END()
00205 };
00206 
00207 static uint16 _waiting_acceptance;
00208 static uint16 _cargo_source;
00209 static uint32 _cargo_source_xy;
00210 static uint16 _cargo_days;
00211 static Money  _cargo_feeder_share;
00212 
00213 static const SaveLoad _station_speclist_desc[] = {
00214   SLE_CONDVAR(StationSpecList, grfid,    SLE_UINT32, 27, SL_MAX_VERSION),
00215   SLE_CONDVAR(StationSpecList, localidx, SLE_UINT8,  27, SL_MAX_VERSION),
00216 
00217   SLE_END()
00218 };
00219 
00225 const SaveLoad *GetGoodsDesc()
00226 {
00227   static const SaveLoad goods_desc[] = {
00228     SLEG_CONDVAR(            _waiting_acceptance, SLE_UINT16,                  0, 67),
00229      SLE_CONDVAR(GoodsEntry, acceptance_pickup,   SLE_UINT8,                  68, SL_MAX_VERSION),
00230     SLE_CONDNULL(2,                                                           51, 67),
00231          SLE_VAR(GoodsEntry, days_since_pickup,   SLE_UINT8),
00232          SLE_VAR(GoodsEntry, rating,              SLE_UINT8),
00233     SLEG_CONDVAR(            _cargo_source,       SLE_FILE_U8 | SLE_VAR_U16,   0, 6),
00234     SLEG_CONDVAR(            _cargo_source,       SLE_UINT16,                  7, 67),
00235     SLEG_CONDVAR(            _cargo_source_xy,    SLE_UINT32,                 44, 67),
00236     SLEG_CONDVAR(            _cargo_days,         SLE_UINT8,                   0, 67),
00237          SLE_VAR(GoodsEntry, last_speed,          SLE_UINT8),
00238          SLE_VAR(GoodsEntry, last_age,            SLE_UINT8),
00239     SLEG_CONDVAR(            _cargo_feeder_share, SLE_FILE_U32 | SLE_VAR_I64, 14, 64),
00240     SLEG_CONDVAR(            _cargo_feeder_share, SLE_INT64,                  65, 67),
00241      SLE_CONDLST(GoodsEntry, cargo.packets,       REF_CARGO_PACKET,           68, SL_MAX_VERSION),
00242 
00243     SLE_END()
00244   };
00245 
00246   return goods_desc;
00247 }
00248 
00249 
00250 static void Load_STNS()
00251 {
00252   int index;
00253   while ((index = SlIterateArray()) != -1) {
00254     Station *st = new (index) Station();
00255 
00256     SlObject(st, _old_station_desc);
00257 
00258     _waiting_acceptance = 0;
00259 
00260     uint num_cargo = CheckSavegameVersion(55) ? 12 : NUM_CARGO;
00261     for (CargoID i = 0; i < num_cargo; i++) {
00262       GoodsEntry *ge = &st->goods[i];
00263       SlObject(ge, GetGoodsDesc());
00264       if (CheckSavegameVersion(68)) {
00265         SB(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, HasBit(_waiting_acceptance, 15));
00266         if (GB(_waiting_acceptance, 0, 12) != 0) {
00267           /* In old versions, enroute_from used 0xFF as INVALID_STATION */
00268           StationID source = (CheckSavegameVersion(7) && _cargo_source == 0xFF) ? INVALID_STATION : _cargo_source;
00269 
00270           /* Don't construct the packet with station here, because that'll fail with old savegames */
00271           ge->cargo.Append(new CargoPacket(GB(_waiting_acceptance, 0, 12), _cargo_days, source, _cargo_source_xy, _cargo_source_xy, _cargo_feeder_share));
00272           SB(ge->acceptance_pickup, GoodsEntry::PICKUP, 1, 1);
00273         }
00274       }
00275     }
00276 
00277     if (st->num_specs != 0) {
00278       /* Allocate speclist memory when loading a game */
00279       st->speclist = CallocT<StationSpecList>(st->num_specs);
00280       for (uint i = 0; i < st->num_specs; i++) {
00281         SlObject(&st->speclist[i], _station_speclist_desc);
00282       }
00283     }
00284   }
00285 }
00286 
00287 static void Ptrs_STNS()
00288 {
00289   /* Don't run when savegame version is higher than or equal to 123. */
00290   if (!CheckSavegameVersion(123)) return;
00291 
00292   Station *st;
00293   FOR_ALL_STATIONS(st) {
00294     if (!CheckSavegameVersion(68)) {
00295       for (CargoID i = 0; i < NUM_CARGO; i++) {
00296         GoodsEntry *ge = &st->goods[i];
00297         SlObject(ge, GetGoodsDesc());
00298       }
00299     }
00300     SlObject(st, _old_station_desc);
00301   }
00302 }
00303 
00304 
00305 static const SaveLoad _base_station_desc[] = {
00306         SLE_VAR(BaseStation, xy,                     SLE_UINT32),
00307         SLE_REF(BaseStation, town,                   REF_TOWN),
00308         SLE_VAR(BaseStation, string_id,              SLE_STRINGID),
00309         SLE_STR(BaseStation, name,                   SLE_STR, 0),
00310         SLE_VAR(BaseStation, delete_ctr,             SLE_UINT8),
00311         SLE_VAR(BaseStation, owner,                  SLE_UINT8),
00312         SLE_VAR(BaseStation, facilities,             SLE_UINT8),
00313         SLE_VAR(BaseStation, build_date,             SLE_INT32),
00314 
00315   /* Used by newstations for graphic variations */
00316         SLE_VAR(BaseStation, random_bits,            SLE_UINT16),
00317         SLE_VAR(BaseStation, waiting_triggers,       SLE_UINT8),
00318         SLE_VAR(BaseStation, num_specs,              SLE_UINT8),
00319 
00320         SLE_END()
00321 };
00322 
00323 static const SaveLoad _station_desc[] = {
00324   SLE_WRITEBYTE(Station, facilities,                 FACIL_NONE),
00325   SLE_ST_INCLUDE(),
00326 
00327         SLE_VAR(Station, train_station.tile,         SLE_UINT32),
00328         SLE_VAR(Station, train_station.w,            SLE_FILE_U8 | SLE_VAR_U16),
00329         SLE_VAR(Station, train_station.h,            SLE_FILE_U8 | SLE_VAR_U16),
00330 
00331         SLE_REF(Station, bus_stops,                  REF_ROADSTOPS),
00332         SLE_REF(Station, truck_stops,                REF_ROADSTOPS),
00333         SLE_VAR(Station, dock_tile,                  SLE_UINT32),
00334         SLE_VAR(Station, airport_tile,               SLE_UINT32),
00335         SLE_VAR(Station, airport_type,               SLE_UINT8),
00336         SLE_VAR(Station, airport_flags,              SLE_UINT64),
00337 
00338         SLE_VAR(Station, indtype,                    SLE_UINT8),
00339 
00340         SLE_VAR(Station, time_since_load,            SLE_UINT8),
00341         SLE_VAR(Station, time_since_unload,          SLE_UINT8),
00342         SLE_VAR(Station, last_vehicle_type,          SLE_UINT8),
00343         SLE_VAR(Station, had_vehicle_of_type,        SLE_UINT8),
00344         SLE_LST(Station, loading_vehicles,           REF_VEHICLE),
00345     SLE_CONDVAR(Station, always_accepted,            SLE_UINT32, 127, SL_MAX_VERSION),
00346 
00347         SLE_END()
00348 };
00349 
00350 static const SaveLoad _waypoint_desc[] = {
00351   SLE_WRITEBYTE(Waypoint, facilities,                FACIL_WAYPOINT),
00352   SLE_ST_INCLUDE(),
00353 
00354         SLE_VAR(Waypoint, town_cn,                   SLE_UINT16),
00355 
00356     SLE_CONDVAR(Waypoint, train_station.tile,        SLE_UINT32,                  124, SL_MAX_VERSION),
00357     SLE_CONDVAR(Waypoint, train_station.w,           SLE_FILE_U8 | SLE_VAR_U16,   124, SL_MAX_VERSION),
00358     SLE_CONDVAR(Waypoint, train_station.h,           SLE_FILE_U8 | SLE_VAR_U16,   124, SL_MAX_VERSION),
00359 
00360         SLE_END()
00361 };
00362 
00367 const SaveLoad *GetBaseStationDescription()
00368 {
00369   return _base_station_desc;
00370 }
00371 
00372 static void RealSave_STNN(BaseStation *bst)
00373 {
00374   bool waypoint = (bst->facilities & FACIL_WAYPOINT) != 0;
00375   SlObject(bst, waypoint ? _waypoint_desc : _station_desc);
00376 
00377   if (!waypoint) {
00378     Station *st = Station::From(bst);
00379     for (CargoID i = 0; i < NUM_CARGO; i++) {
00380       SlObject(&st->goods[i], GetGoodsDesc());
00381     }
00382   }
00383 
00384   for (uint i = 0; i < bst->num_specs; i++) {
00385     SlObject(&bst->speclist[i], _station_speclist_desc);
00386   }
00387 }
00388 
00389 static void Save_STNN()
00390 {
00391   BaseStation *st;
00392   /* Write the stations */
00393   FOR_ALL_BASE_STATIONS(st) {
00394     SlSetArrayIndex(st->index);
00395     SlAutolength((AutolengthProc*)RealSave_STNN, st);
00396   }
00397 }
00398 
00399 static void Load_STNN()
00400 {
00401   int index;
00402 
00403   while ((index = SlIterateArray()) != -1) {
00404     bool waypoint = (SlReadByte() & FACIL_WAYPOINT) != 0;
00405 
00406     BaseStation *bst = waypoint ? (BaseStation *)new (index) Waypoint() : new (index) Station();
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     if (bst->num_specs != 0) {
00417       /* Allocate speclist memory when loading a game */
00418       bst->speclist = CallocT<StationSpecList>(bst->num_specs);
00419       for (uint i = 0; i < bst->num_specs; i++) {
00420         SlObject(&bst->speclist[i], _station_speclist_desc);
00421       }
00422     }
00423   }
00424 }
00425 
00426 static void Ptrs_STNN()
00427 {
00428   /* Don't run when savegame version lower than 123. */
00429   if (CheckSavegameVersion(123)) return;
00430 
00431   Station *st;
00432   FOR_ALL_STATIONS(st) {
00433     for (CargoID i = 0; i < NUM_CARGO; i++) {
00434       GoodsEntry *ge = &st->goods[i];
00435       SlObject(ge, GetGoodsDesc());
00436     }
00437     SlObject(st, _station_desc);
00438   }
00439 
00440   Waypoint *wp;
00441   FOR_ALL_WAYPOINTS(wp) {
00442     SlObject(wp, _waypoint_desc);
00443   }
00444 }
00445 
00446 static void Save_ROADSTOP()
00447 {
00448   RoadStop *rs;
00449 
00450   FOR_ALL_ROADSTOPS(rs) {
00451     SlSetArrayIndex(rs->index);
00452     SlObject(rs, _roadstop_desc);
00453   }
00454 }
00455 
00456 static void Load_ROADSTOP()
00457 {
00458   int index;
00459 
00460   while ((index = SlIterateArray()) != -1) {
00461     RoadStop *rs = new (index) RoadStop(INVALID_TILE);
00462 
00463     SlObject(rs, _roadstop_desc);
00464   }
00465 }
00466 
00467 static void Ptrs_ROADSTOP()
00468 {
00469   RoadStop *rs;
00470   FOR_ALL_ROADSTOPS(rs) {
00471     SlObject(rs, _roadstop_desc);
00472   }
00473 }
00474 
00475 extern const ChunkHandler _station_chunk_handlers[] = {
00476   { 'STNS', NULL,          Load_STNS,     Ptrs_STNS,     CH_ARRAY },
00477   { 'STNN', Save_STNN,     Load_STNN,     Ptrs_STNN,     CH_ARRAY },
00478   { 'ROAD', Save_ROADSTOP, Load_ROADSTOP, Ptrs_ROADSTOP, CH_ARRAY | CH_LAST},
00479 };

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