vehicle_sl.cpp

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00001 /* $Id: vehicle_sl.cpp 21933 2011-01-31 20:44:15Z frosch $ */
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 "../vehicle_func.h"
00014 #include "../train.h"
00015 #include "../roadveh.h"
00016 #include "../ship.h"
00017 #include "../aircraft.h"
00018 #include "../station_base.h"
00019 #include "../effectvehicle_base.h"
00020 
00021 #include "saveload.h"
00022 
00023 #include <map>
00024 
00029 void ConnectMultiheadedTrains()
00030 {
00031   Train *v;
00032 
00033   FOR_ALL_TRAINS(v) {
00034     v->other_multiheaded_part = NULL;
00035   }
00036 
00037   FOR_ALL_TRAINS(v) {
00038     if (v->IsFrontEngine() || v->IsFreeWagon()) {
00039       /* Two ways to associate multiheaded parts to each other:
00040        * sequential-matching: Trains shall be arranged to look like <..>..<..>..<..>..
00041        * bracket-matching:    Free vehicle chains shall be arranged to look like ..<..<..>..<..>..>..
00042        *
00043        * Note: Old savegames might contain chains which do not comply with these rules, e.g.
00044        *   - the front and read parts have invalid orders
00045        *   - different engine types might be combined
00046        *   - there might be different amounts of front and rear parts.
00047        *
00048        * Note: The multiheaded parts need to be matched exactly like they are matched on the server, else desyncs will occur.
00049        *   This is why two matching strategies are needed.
00050        */
00051 
00052       bool sequential_matching = v->IsFrontEngine();
00053 
00054       for (Train *u = v; u != NULL; u = u->GetNextVehicle()) {
00055         if (u->other_multiheaded_part != NULL) continue; // we already linked this one
00056 
00057         if (u->IsMultiheaded()) {
00058           if (!u->IsEngine()) {
00059             /* we got a rear car without a front car. We will convert it to a front one */
00060             u->SetEngine();
00061             u->spritenum--;
00062           }
00063 
00064           /* Find a matching back part */
00065           EngineID eid = u->engine_type;
00066           Train *w;
00067           if (sequential_matching) {
00068             for (w = u->GetNextVehicle(); w != NULL; w = w->GetNextVehicle()) {
00069               if (w->engine_type != eid || w->other_multiheaded_part != NULL || !w->IsMultiheaded()) continue;
00070 
00071               /* we found a car to partner with this engine. Now we will make sure it face the right way */
00072               if (w->IsEngine()) {
00073                 w->ClearEngine();
00074                 w->spritenum++;
00075               }
00076               break;
00077             }
00078           } else {
00079             uint stack_pos = 0;
00080             for (w = u->GetNextVehicle(); w != NULL; w = w->GetNextVehicle()) {
00081               if (w->engine_type != eid || w->other_multiheaded_part != NULL || !w->IsMultiheaded()) continue;
00082 
00083               if (w->IsEngine()) {
00084                 stack_pos++;
00085               } else {
00086                 if (stack_pos == 0) break;
00087                 stack_pos--;
00088               }
00089             }
00090           }
00091 
00092           if (w != NULL) {
00093             w->other_multiheaded_part = u;
00094             u->other_multiheaded_part = w;
00095           } else {
00096             /* we got a front car and no rear cars. We will fake this one for forget that it should have been multiheaded */
00097             u->ClearMultiheaded();
00098           }
00099         }
00100       }
00101     }
00102   }
00103 }
00104 
00109 void ConvertOldMultiheadToNew()
00110 {
00111   Train *t;
00112   FOR_ALL_TRAINS(t) SetBit(t->subtype, 7); // indicates that it's the old format and needs to be converted in the next loop
00113 
00114   FOR_ALL_TRAINS(t) {
00115     if (HasBit(t->subtype, 7) && ((t->subtype & ~0x80) == 0 || (t->subtype & ~0x80) == 4)) {
00116       for (Train *u = t; u != NULL; u = u->Next()) {
00117         const RailVehicleInfo *rvi = RailVehInfo(u->engine_type);
00118 
00119         ClrBit(u->subtype, 7);
00120         switch (u->subtype) {
00121           case 0: // TS_Front_Engine
00122             if (rvi->railveh_type == RAILVEH_MULTIHEAD) u->SetMultiheaded();
00123             u->SetFrontEngine();
00124             u->SetEngine();
00125             break;
00126 
00127           case 1: // TS_Artic_Part
00128             u->subtype = 0;
00129             u->SetArticulatedPart();
00130             break;
00131 
00132           case 2: // TS_Not_First
00133             u->subtype = 0;
00134             if (rvi->railveh_type == RAILVEH_WAGON) {
00135               /* normal wagon */
00136               u->SetWagon();
00137               break;
00138             }
00139             if (rvi->railveh_type == RAILVEH_MULTIHEAD && rvi->image_index == u->spritenum - 1) {
00140               /* rear end of a multiheaded engine */
00141               u->SetMultiheaded();
00142               break;
00143             }
00144             if (rvi->railveh_type == RAILVEH_MULTIHEAD) u->SetMultiheaded();
00145             u->SetEngine();
00146             break;
00147 
00148           case 4: // TS_Free_Car
00149             u->subtype = 0;
00150             u->SetWagon();
00151             u->SetFreeWagon();
00152             break;
00153           default: SlErrorCorrupt("Invalid train subtype");
00154         }
00155       }
00156     }
00157   }
00158 }
00159 
00160 
00162 void UpdateOldAircraft()
00163 {
00164   /* set airport_flags to 0 for all airports just to be sure */
00165   Station *st;
00166   FOR_ALL_STATIONS(st) {
00167     st->airport.flags = 0; // reset airport
00168   }
00169 
00170   Aircraft *a;
00171   FOR_ALL_AIRCRAFT(a) {
00172     /* airplane has another vehicle with subtype 4 (shadow), helicopter also has 3 (rotor)
00173      * skip those */
00174     if (a->IsNormalAircraft()) {
00175       /* airplane in terminal stopped doesn't hurt anyone, so goto next */
00176       if ((a->vehstatus & VS_STOPPED) && a->state == 0) {
00177         a->state = HANGAR;
00178         continue;
00179       }
00180 
00181       AircraftLeaveHangar(a); // make airplane visible if it was in a depot for example
00182       a->vehstatus &= ~VS_STOPPED; // make airplane moving
00183       UpdateAircraftCache(a);
00184       a->cur_speed = a->vcache.cached_max_speed; // so aircraft don't have zero speed while in air
00185       if (!a->current_order.IsType(OT_GOTO_STATION) && !a->current_order.IsType(OT_GOTO_DEPOT)) {
00186         /* reset current order so aircraft doesn't have invalid "station-only" order */
00187         a->current_order.MakeDummy();
00188       }
00189       a->state = FLYING;
00190       AircraftNextAirportPos_and_Order(a); // move it to the entry point of the airport
00191       GetNewVehiclePosResult gp = GetNewVehiclePos(a);
00192       a->tile = 0; // aircraft in air is tile=0
00193 
00194       /* correct speed of helicopter-rotors */
00195       if (a->subtype == AIR_HELICOPTER) a->Next()->Next()->cur_speed = 32;
00196 
00197       /* set new position x,y,z */
00198       SetAircraftPosition(a, gp.x, gp.y, GetAircraftFlyingAltitude(a));
00199     }
00200   }
00201 }
00202 
00210 static void CheckValidVehicles()
00211 {
00212   size_t total_engines = Engine::GetPoolSize();
00213   EngineID first_engine[4] = { INVALID_ENGINE, INVALID_ENGINE, INVALID_ENGINE, INVALID_ENGINE };
00214 
00215   Engine *e;
00216   FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) { first_engine[VEH_TRAIN] = e->index; break; }
00217   FOR_ALL_ENGINES_OF_TYPE(e, VEH_ROAD) { first_engine[VEH_ROAD] = e->index; break; }
00218   FOR_ALL_ENGINES_OF_TYPE(e, VEH_SHIP) { first_engine[VEH_SHIP] = e->index; break; }
00219   FOR_ALL_ENGINES_OF_TYPE(e, VEH_AIRCRAFT) { first_engine[VEH_AIRCRAFT] = e->index; break; }
00220 
00221   Vehicle *v;
00222   FOR_ALL_VEHICLES(v) {
00223     /* Test if engine types match */
00224     switch (v->type) {
00225       case VEH_TRAIN:
00226       case VEH_ROAD:
00227       case VEH_SHIP:
00228       case VEH_AIRCRAFT:
00229         if (v->engine_type >= total_engines || v->type != Engine::Get(v->engine_type)->type) {
00230           v->engine_type = first_engine[v->type];
00231         }
00232         break;
00233 
00234       default:
00235         break;
00236     }
00237   }
00238 }
00239 
00241 void AfterLoadVehicles(bool part_of_load)
00242 {
00243   Vehicle *v;
00244 
00245   FOR_ALL_VEHICLES(v) {
00246     /* Reinstate the previous pointer */
00247     if (v->Next() != NULL) v->Next()->previous = v;
00248     if (v->NextShared() != NULL) v->NextShared()->previous_shared = v;
00249 
00250     v->UpdateDeltaXY(v->direction);
00251 
00252     if (part_of_load) v->fill_percent_te_id = INVALID_TE_ID;
00253     v->first = NULL;
00254     if (v->IsGroundVehicle()) v->GetGroundVehicleCache()->first_engine = INVALID_ENGINE;
00255   }
00256 
00257   /* AfterLoadVehicles may also be called in case of NewGRF reload, in this
00258    * case we may not convert orders again. */
00259   if (part_of_load) {
00260     /* Create shared vehicle chain for very old games (pre 5,2) and create
00261      * OrderList from shared vehicle chains. For this to work correctly, the
00262      * following conditions must be fulfilled:
00263      * a) both next_shared and previous_shared are not set for pre 5,2 games
00264      * b) both next_shared and previous_shared are set for later games
00265      */
00266     std::map<Order*, OrderList*> mapping;
00267 
00268     FOR_ALL_VEHICLES(v) {
00269       if (v->orders.old != NULL) {
00270         if (IsSavegameVersionBefore(105)) { // Pre-105 didn't save an OrderList
00271           if (mapping[v->orders.old] == NULL) {
00272             /* This adds the whole shared vehicle chain for case b */
00273             v->orders.list = mapping[v->orders.old] = new OrderList(v->orders.old, v);
00274           } else {
00275             v->orders.list = mapping[v->orders.old];
00276             /* For old games (case a) we must create the shared vehicle chain */
00277             if (IsSavegameVersionBefore(5, 2)) {
00278               v->AddToShared(v->orders.list->GetFirstSharedVehicle());
00279             }
00280           }
00281         } else { // OrderList was saved as such, only recalculate not saved values
00282           if (v->PreviousShared() == NULL) {
00283             v->orders.list->Initialize(v->orders.list->first, v);
00284           }
00285         }
00286       }
00287     }
00288   }
00289 
00290   FOR_ALL_VEHICLES(v) {
00291     /* Fill the first pointers */
00292     if (v->Previous() == NULL) {
00293       for (Vehicle *u = v; u != NULL; u = u->Next()) {
00294         u->first = v;
00295       }
00296     }
00297   }
00298 
00299   if (part_of_load) {
00300     if (IsSavegameVersionBefore(105)) {
00301       /* Before 105 there was no order for shared orders, thus it messed up horribly */
00302       FOR_ALL_VEHICLES(v) {
00303         if (v->First() != v || v->orders.list != NULL || v->previous_shared != NULL || v->next_shared == NULL) continue;
00304 
00305         v->orders.list = new OrderList(NULL, v);
00306         for (Vehicle *u = v; u != NULL; u = u->next_shared) {
00307           u->orders.list = v->orders.list;
00308         }
00309       }
00310     }
00311 
00312     if (IsSavegameVersionBefore(157)) {
00313       /* The road vehicle subtype was converted to a flag. */
00314       RoadVehicle *rv;
00315       FOR_ALL_ROADVEHICLES(rv) {
00316         if (rv->subtype == 0) {
00317           /* The road vehicle is at the front. */
00318           rv->SetFrontEngine();
00319         } else if (rv->subtype == 1) {
00320           /* The road vehicle is an articulated part. */
00321           rv->subtype = 0;
00322           rv->SetArticulatedPart();
00323         } else {
00324           NOT_REACHED();
00325         }
00326       }
00327     }
00328   }
00329 
00330   CheckValidVehicles();
00331 
00332   FOR_ALL_VEHICLES(v) {
00333     assert(v->first != NULL);
00334 
00335     switch (v->type) {
00336       case VEH_TRAIN: {
00337         Train *t = Train::From(v);
00338         if (t->IsFrontEngine() || t->IsFreeWagon()) {
00339           t->gcache.last_speed = t->cur_speed; // update displayed train speed
00340           t->ConsistChanged(false);
00341         }
00342         break;
00343       }
00344 
00345       case VEH_ROAD: {
00346         RoadVehicle *rv = RoadVehicle::From(v);
00347         if (rv->IsFrontEngine()) {
00348           rv->gcache.last_speed = rv->cur_speed; // update displayed road vehicle speed
00349           RoadVehUpdateCache(rv);
00350           if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) {
00351             rv->CargoChanged();
00352           }
00353         }
00354         break;
00355       }
00356 
00357       case VEH_SHIP:
00358         Ship::From(v)->UpdateCache();
00359         break;
00360 
00361       default: break;
00362     }
00363   }
00364 
00365   /* Stop non-front engines */
00366   if (part_of_load && IsSavegameVersionBefore(112)) {
00367     FOR_ALL_VEHICLES(v) {
00368       if (v->type == VEH_TRAIN) {
00369         Train *t = Train::From(v);
00370         if (!t->IsFrontEngine()) {
00371           if (t->IsEngine()) t->vehstatus |= VS_STOPPED;
00372           /* cur_speed is now relevant for non-front parts - nonzero breaks
00373            * moving-wagons-inside-depot- and autoreplace- code */
00374           t->cur_speed = 0;
00375         }
00376       }
00377       /* trains weren't stopping gradually in old OTTD versions (and TTO/TTD)
00378        * other vehicle types didn't have zero speed while stopped (even in 'recent' OTTD versions) */
00379       if ((v->vehstatus & VS_STOPPED) && (v->type != VEH_TRAIN || IsSavegameVersionBefore(2, 1))) {
00380         v->cur_speed = 0;
00381       }
00382     }
00383   }
00384 
00385   FOR_ALL_VEHICLES(v) {
00386     switch (v->type) {
00387       case VEH_ROAD: {
00388         RoadVehicle *rv = RoadVehicle::From(v);
00389         rv->roadtype = HasBit(EngInfo(v->First()->engine_type)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD;
00390         rv->compatible_roadtypes = RoadTypeToRoadTypes(rv->roadtype);
00391         /* FALL THROUGH */
00392       }
00393 
00394       case VEH_TRAIN:
00395       case VEH_SHIP:
00396         v->cur_image = v->GetImage(v->direction);
00397         break;
00398 
00399       case VEH_AIRCRAFT:
00400         if (Aircraft::From(v)->IsNormalAircraft()) {
00401           v->cur_image = v->GetImage(v->direction);
00402 
00403           /* The plane's shadow will have the same image as the plane */
00404           Vehicle *shadow = v->Next();
00405           shadow->cur_image = v->cur_image;
00406 
00407           /* In the case of a helicopter we will update the rotor sprites */
00408           if (v->subtype == AIR_HELICOPTER) {
00409             Vehicle *rotor = shadow->Next();
00410             rotor->cur_image = GetRotorImage(Aircraft::From(v));
00411           }
00412 
00413           UpdateAircraftCache(Aircraft::From(v));
00414         }
00415         break;
00416       default: break;
00417     }
00418 
00419     v->coord.left = INVALID_COORD;
00420     VehicleMove(v, false);
00421   }
00422 }
00423 
00424 static uint8  _cargo_days;
00425 static uint16 _cargo_source;
00426 static uint32 _cargo_source_xy;
00427 static uint16 _cargo_count;
00428 static uint16 _cargo_paid_for;
00429 static Money  _cargo_feeder_share;
00430 static uint32 _cargo_loaded_at_xy;
00431 
00437 const SaveLoad *GetVehicleDescription(VehicleType vt)
00438 {
00440   static const SaveLoad _common_veh_desc[] = {
00441          SLE_VAR(Vehicle, subtype,               SLE_UINT8),
00442 
00443          SLE_REF(Vehicle, next,                  REF_VEHICLE_OLD),
00444      SLE_CONDVAR(Vehicle, name,                  SLE_NAME,                     0,  83),
00445      SLE_CONDSTR(Vehicle, name,                  SLE_STR, 0,                  84, SL_MAX_VERSION),
00446      SLE_CONDVAR(Vehicle, unitnumber,            SLE_FILE_U8  | SLE_VAR_U16,   0,   7),
00447      SLE_CONDVAR(Vehicle, unitnumber,            SLE_UINT16,                   8, SL_MAX_VERSION),
00448          SLE_VAR(Vehicle, owner,                 SLE_UINT8),
00449      SLE_CONDVAR(Vehicle, tile,                  SLE_FILE_U16 | SLE_VAR_U32,   0,   5),
00450      SLE_CONDVAR(Vehicle, tile,                  SLE_UINT32,                   6, SL_MAX_VERSION),
00451      SLE_CONDVAR(Vehicle, dest_tile,             SLE_FILE_U16 | SLE_VAR_U32,   0,   5),
00452      SLE_CONDVAR(Vehicle, dest_tile,             SLE_UINT32,                   6, SL_MAX_VERSION),
00453 
00454      SLE_CONDVAR(Vehicle, x_pos,                 SLE_FILE_U16 | SLE_VAR_U32,   0,   5),
00455      SLE_CONDVAR(Vehicle, x_pos,                 SLE_UINT32,                   6, SL_MAX_VERSION),
00456      SLE_CONDVAR(Vehicle, y_pos,                 SLE_FILE_U16 | SLE_VAR_U32,   0,   5),
00457      SLE_CONDVAR(Vehicle, y_pos,                 SLE_UINT32,                   6, SL_MAX_VERSION),
00458          SLE_VAR(Vehicle, z_pos,                 SLE_UINT8),
00459          SLE_VAR(Vehicle, direction,             SLE_UINT8),
00460 
00461     SLE_CONDNULL(2,                                                            0,  57),
00462          SLE_VAR(Vehicle, spritenum,             SLE_UINT8),
00463     SLE_CONDNULL(5,                                                            0,  57),
00464          SLE_VAR(Vehicle, engine_type,           SLE_UINT16),
00465 
00466     SLE_CONDNULL(2,                                                            0,  151),
00467          SLE_VAR(Vehicle, cur_speed,             SLE_UINT16),
00468          SLE_VAR(Vehicle, subspeed,              SLE_UINT8),
00469          SLE_VAR(Vehicle, acceleration,          SLE_UINT8),
00470          SLE_VAR(Vehicle, progress,              SLE_UINT8),
00471 
00472          SLE_VAR(Vehicle, vehstatus,             SLE_UINT8),
00473      SLE_CONDVAR(Vehicle, last_station_visited,  SLE_FILE_U8  | SLE_VAR_U16,   0,   4),
00474      SLE_CONDVAR(Vehicle, last_station_visited,  SLE_UINT16,                   5, SL_MAX_VERSION),
00475 
00476          SLE_VAR(Vehicle, cargo_type,            SLE_UINT8),
00477      SLE_CONDVAR(Vehicle, cargo_subtype,         SLE_UINT8,                   35, SL_MAX_VERSION),
00478     SLEG_CONDVAR(         _cargo_days,           SLE_UINT8,                    0,  67),
00479     SLEG_CONDVAR(         _cargo_source,         SLE_FILE_U8  | SLE_VAR_U16,   0,   6),
00480     SLEG_CONDVAR(         _cargo_source,         SLE_UINT16,                   7,  67),
00481     SLEG_CONDVAR(         _cargo_source_xy,      SLE_UINT32,                  44,  67),
00482          SLE_VAR(Vehicle, cargo_cap,             SLE_UINT16),
00483     SLEG_CONDVAR(         _cargo_count,          SLE_UINT16,                   0,  67),
00484      SLE_CONDLST(Vehicle, cargo.packets,         REF_CARGO_PACKET,            68, SL_MAX_VERSION),
00485 
00486          SLE_VAR(Vehicle, day_counter,           SLE_UINT8),
00487          SLE_VAR(Vehicle, tick_counter,          SLE_UINT8),
00488      SLE_CONDVAR(Vehicle, running_ticks,         SLE_UINT8,                   88, SL_MAX_VERSION),
00489 
00490          SLE_VAR(Vehicle, cur_auto_order_index,  SLE_UINT8),
00491      SLE_CONDVAR(Vehicle, cur_real_order_index,  SLE_UINT8,                  158, SL_MAX_VERSION),
00492     /* num_orders is now part of OrderList and is not saved but counted */
00493     SLE_CONDNULL(1,                                                            0, 104),
00494 
00495     /* This next line is for version 4 and prior compatibility.. it temporarily reads
00496      type and flags (which were both 4 bits) into type. Later on this is
00497      converted correctly */
00498      SLE_CONDVAR(Vehicle, current_order.type,    SLE_UINT8,                    0,   4),
00499      SLE_CONDVAR(Vehicle, current_order.dest,    SLE_FILE_U8  | SLE_VAR_U16,   0,   4),
00500 
00501     /* Orders for version 5 and on */
00502      SLE_CONDVAR(Vehicle, current_order.type,    SLE_UINT8,                    5, SL_MAX_VERSION),
00503      SLE_CONDVAR(Vehicle, current_order.flags,   SLE_UINT8,                    5, SL_MAX_VERSION),
00504      SLE_CONDVAR(Vehicle, current_order.dest,    SLE_UINT16,                   5, SL_MAX_VERSION),
00505 
00506     /* Refit in current order */
00507      SLE_CONDVAR(Vehicle, current_order.refit_cargo,   SLE_UINT8,             36, SL_MAX_VERSION),
00508      SLE_CONDVAR(Vehicle, current_order.refit_subtype, SLE_UINT8,             36, SL_MAX_VERSION),
00509 
00510     /* Timetable in current order */
00511      SLE_CONDVAR(Vehicle, current_order.wait_time,     SLE_UINT16,            67, SL_MAX_VERSION),
00512      SLE_CONDVAR(Vehicle, current_order.travel_time,   SLE_UINT16,            67, SL_MAX_VERSION),
00513      SLE_CONDVAR(Vehicle, timetable_start,       SLE_INT32,                  129, SL_MAX_VERSION),
00514 
00515      SLE_CONDREF(Vehicle, orders,                REF_ORDER,                    0, 104),
00516      SLE_CONDREF(Vehicle, orders,                REF_ORDERLIST,              105, SL_MAX_VERSION),
00517 
00518      SLE_CONDVAR(Vehicle, age,                   SLE_FILE_U16 | SLE_VAR_I32,   0,  30),
00519      SLE_CONDVAR(Vehicle, age,                   SLE_INT32,                   31, SL_MAX_VERSION),
00520      SLE_CONDVAR(Vehicle, max_age,               SLE_FILE_U16 | SLE_VAR_I32,   0,  30),
00521      SLE_CONDVAR(Vehicle, max_age,               SLE_INT32,                   31, SL_MAX_VERSION),
00522      SLE_CONDVAR(Vehicle, date_of_last_service,  SLE_FILE_U16 | SLE_VAR_I32,   0,  30),
00523      SLE_CONDVAR(Vehicle, date_of_last_service,  SLE_INT32,                   31, SL_MAX_VERSION),
00524      SLE_CONDVAR(Vehicle, service_interval,      SLE_FILE_U16 | SLE_VAR_I32,   0,  30),
00525      SLE_CONDVAR(Vehicle, service_interval,      SLE_INT32,                   31, SL_MAX_VERSION),
00526          SLE_VAR(Vehicle, reliability,           SLE_UINT16),
00527          SLE_VAR(Vehicle, reliability_spd_dec,   SLE_UINT16),
00528          SLE_VAR(Vehicle, breakdown_ctr,         SLE_UINT8),
00529          SLE_VAR(Vehicle, breakdown_delay,       SLE_UINT8),
00530          SLE_VAR(Vehicle, breakdowns_since_last_service, SLE_UINT8),
00531          SLE_VAR(Vehicle, breakdown_chance,      SLE_UINT8),
00532      SLE_CONDVAR(Vehicle, build_year,            SLE_FILE_U8 | SLE_VAR_I32,    0,  30),
00533      SLE_CONDVAR(Vehicle, build_year,            SLE_INT32,                   31, SL_MAX_VERSION),
00534 
00535          SLE_VAR(Vehicle, load_unload_ticks,     SLE_UINT16),
00536     SLEG_CONDVAR(         _cargo_paid_for,       SLE_UINT16,                  45, SL_MAX_VERSION),
00537      SLE_CONDVAR(Vehicle, vehicle_flags,         SLE_UINT8,                   40, SL_MAX_VERSION),
00538 
00539      SLE_CONDVAR(Vehicle, profit_this_year,      SLE_FILE_I32 | SLE_VAR_I64,   0,  64),
00540      SLE_CONDVAR(Vehicle, profit_this_year,      SLE_INT64,                   65, SL_MAX_VERSION),
00541      SLE_CONDVAR(Vehicle, profit_last_year,      SLE_FILE_I32 | SLE_VAR_I64,   0,  64),
00542      SLE_CONDVAR(Vehicle, profit_last_year,      SLE_INT64,                   65, SL_MAX_VERSION),
00543     SLEG_CONDVAR(         _cargo_feeder_share,   SLE_FILE_I32 | SLE_VAR_I64,  51,  64),
00544     SLEG_CONDVAR(         _cargo_feeder_share,   SLE_INT64,                   65,  67),
00545     SLEG_CONDVAR(         _cargo_loaded_at_xy,   SLE_UINT32,                  51,  67),
00546      SLE_CONDVAR(Vehicle, value,                 SLE_FILE_I32 | SLE_VAR_I64,   0,  64),
00547      SLE_CONDVAR(Vehicle, value,                 SLE_INT64,                   65, SL_MAX_VERSION),
00548 
00549      SLE_CONDVAR(Vehicle, random_bits,           SLE_UINT8,                    2, SL_MAX_VERSION),
00550      SLE_CONDVAR(Vehicle, waiting_triggers,      SLE_UINT8,                    2, SL_MAX_VERSION),
00551 
00552      SLE_CONDREF(Vehicle, next_shared,           REF_VEHICLE,                  2, SL_MAX_VERSION),
00553     SLE_CONDNULL(2,                                                            2,  68),
00554     SLE_CONDNULL(4,                                                           69, 100),
00555 
00556      SLE_CONDVAR(Vehicle, group_id,              SLE_UINT16,                  60, SL_MAX_VERSION),
00557 
00558      SLE_CONDVAR(Vehicle, current_order_time,    SLE_UINT32,                  67, SL_MAX_VERSION),
00559      SLE_CONDVAR(Vehicle, lateness_counter,      SLE_INT32,                   67, SL_MAX_VERSION),
00560 
00561     SLE_CONDNULL(10,                                                           2, 143), // old reserved space
00562 
00563          SLE_END()
00564   };
00565 
00566 
00567   static const SaveLoad _train_desc[] = {
00568     SLE_WRITEBYTE(Vehicle, type, VEH_TRAIN),
00569     SLE_VEH_INCLUDE(),
00570          SLE_VAR(Train, crash_anim_pos,      SLE_UINT16),
00571          SLE_VAR(Train, force_proceed,       SLE_UINT8),
00572          SLE_VAR(Train, railtype,            SLE_UINT8),
00573          SLE_VAR(Train, track,               SLE_UINT8),
00574 
00575      SLE_CONDVAR(Train, flags,               SLE_FILE_U8  | SLE_VAR_U16,   2,  99),
00576      SLE_CONDVAR(Train, flags,               SLE_UINT16,                 100, SL_MAX_VERSION),
00577     SLE_CONDNULL(2, 2, 59),
00578 
00579      SLE_CONDVAR(Train, wait_counter,        SLE_UINT16,                 136, SL_MAX_VERSION),
00580 
00581     SLE_CONDNULL(2, 2, 19),
00582      SLE_CONDVAR(Train, gv_flags,            SLE_UINT16,                 139, SL_MAX_VERSION),
00583     SLE_CONDNULL(11, 2, 143), // old reserved space
00584 
00585          SLE_END()
00586   };
00587 
00588   static const SaveLoad _roadveh_desc[] = {
00589     SLE_WRITEBYTE(Vehicle, type, VEH_ROAD),
00590     SLE_VEH_INCLUDE(),
00591          SLE_VAR(RoadVehicle, state,                SLE_UINT8),
00592          SLE_VAR(RoadVehicle, frame,                SLE_UINT8),
00593          SLE_VAR(RoadVehicle, blocked_ctr,          SLE_UINT16),
00594          SLE_VAR(RoadVehicle, overtaking,           SLE_UINT8),
00595          SLE_VAR(RoadVehicle, overtaking_ctr,       SLE_UINT8),
00596          SLE_VAR(RoadVehicle, crashed_ctr,          SLE_UINT16),
00597          SLE_VAR(RoadVehicle, reverse_ctr,          SLE_UINT8),
00598 
00599     SLE_CONDNULL(2,                                                               6,  68),
00600      SLE_CONDVAR(RoadVehicle, gv_flags,             SLE_UINT16,                 139, SL_MAX_VERSION),
00601     SLE_CONDNULL(4,                                                              69, 130),
00602     SLE_CONDNULL(2,                                                               6, 130),
00603     SLE_CONDNULL(16,                                                              2, 143), // old reserved space
00604 
00605          SLE_END()
00606   };
00607 
00608   static const SaveLoad _ship_desc[] = {
00609     SLE_WRITEBYTE(Vehicle, type, VEH_SHIP),
00610     SLE_VEH_INCLUDE(),
00611          SLE_VAR(Ship, state, SLE_UINT8),
00612 
00613     SLE_CONDNULL(16, 2, 143), // old reserved space
00614 
00615          SLE_END()
00616   };
00617 
00618   static const SaveLoad _aircraft_desc[] = {
00619     SLE_WRITEBYTE(Vehicle, type, VEH_AIRCRAFT),
00620     SLE_VEH_INCLUDE(),
00621          SLE_VAR(Aircraft, crashed_counter,       SLE_UINT16),
00622          SLE_VAR(Aircraft, pos,                   SLE_UINT8),
00623 
00624      SLE_CONDVAR(Aircraft, targetairport,         SLE_FILE_U8  | SLE_VAR_U16,   0, 4),
00625      SLE_CONDVAR(Aircraft, targetairport,         SLE_UINT16,                   5, SL_MAX_VERSION),
00626 
00627          SLE_VAR(Aircraft, state,                 SLE_UINT8),
00628 
00629      SLE_CONDVAR(Aircraft, previous_pos,          SLE_UINT8,                    2, SL_MAX_VERSION),
00630      SLE_CONDVAR(Aircraft, last_direction,        SLE_UINT8,                    2, SL_MAX_VERSION),
00631      SLE_CONDVAR(Aircraft, number_consecutive_turns, SLE_UINT8,                 2, SL_MAX_VERSION),
00632 
00633      SLE_CONDVAR(Aircraft, turn_counter,          SLE_UINT8,                  136, SL_MAX_VERSION),
00634 
00635     SLE_CONDNULL(13,                                                           2, 143), // old reserved space
00636 
00637          SLE_END()
00638   };
00639 
00640   static const SaveLoad _special_desc[] = {
00641     SLE_WRITEBYTE(Vehicle, type, VEH_EFFECT),
00642 
00643          SLE_VAR(Vehicle, subtype,               SLE_UINT8),
00644 
00645      SLE_CONDVAR(Vehicle, tile,                  SLE_FILE_U16 | SLE_VAR_U32,   0,   5),
00646      SLE_CONDVAR(Vehicle, tile,                  SLE_UINT32,                   6, SL_MAX_VERSION),
00647 
00648      SLE_CONDVAR(Vehicle, x_pos,                 SLE_FILE_I16 | SLE_VAR_I32,   0,   5),
00649      SLE_CONDVAR(Vehicle, x_pos,                 SLE_INT32,                    6, SL_MAX_VERSION),
00650      SLE_CONDVAR(Vehicle, y_pos,                 SLE_FILE_I16 | SLE_VAR_I32,   0,   5),
00651      SLE_CONDVAR(Vehicle, y_pos,                 SLE_INT32,                    6, SL_MAX_VERSION),
00652          SLE_VAR(Vehicle, z_pos,                 SLE_UINT8),
00653 
00654          SLE_VAR(Vehicle, cur_image,             SLE_FILE_U16 | SLE_VAR_U32),
00655     SLE_CONDNULL(5,                                                            0,  57),
00656          SLE_VAR(Vehicle, progress,              SLE_UINT8),
00657          SLE_VAR(Vehicle, vehstatus,             SLE_UINT8),
00658 
00659          SLE_VAR(EffectVehicle, animation_state,    SLE_UINT16),
00660          SLE_VAR(EffectVehicle, animation_substate, SLE_UINT8),
00661 
00662      SLE_CONDVAR(Vehicle, spritenum,             SLE_UINT8,                    2, SL_MAX_VERSION),
00663 
00664     SLE_CONDNULL(15,                                                           2, 143), // old reserved space
00665 
00666          SLE_END()
00667   };
00668 
00669   static const SaveLoad _disaster_desc[] = {
00670     SLE_WRITEBYTE(Vehicle, type, VEH_DISASTER),
00671 
00672          SLE_REF(Vehicle, next,                  REF_VEHICLE_OLD),
00673 
00674          SLE_VAR(Vehicle, subtype,               SLE_UINT8),
00675      SLE_CONDVAR(Vehicle, tile,                  SLE_FILE_U16 | SLE_VAR_U32,   0,   5),
00676      SLE_CONDVAR(Vehicle, tile,                  SLE_UINT32,                   6, SL_MAX_VERSION),
00677      SLE_CONDVAR(Vehicle, dest_tile,             SLE_FILE_U16 | SLE_VAR_U32,   0,   5),
00678      SLE_CONDVAR(Vehicle, dest_tile,             SLE_UINT32,                   6, SL_MAX_VERSION),
00679 
00680      SLE_CONDVAR(Vehicle, x_pos,                 SLE_FILE_I16 | SLE_VAR_I32,   0,   5),
00681      SLE_CONDVAR(Vehicle, x_pos,                 SLE_INT32,                    6, SL_MAX_VERSION),
00682      SLE_CONDVAR(Vehicle, y_pos,                 SLE_FILE_I16 | SLE_VAR_I32,   0,   5),
00683      SLE_CONDVAR(Vehicle, y_pos,                 SLE_INT32,                    6, SL_MAX_VERSION),
00684          SLE_VAR(Vehicle, z_pos,                 SLE_UINT8),
00685          SLE_VAR(Vehicle, direction,             SLE_UINT8),
00686 
00687     SLE_CONDNULL(5,                                                            0,  57),
00688          SLE_VAR(Vehicle, owner,                 SLE_UINT8),
00689          SLE_VAR(Vehicle, vehstatus,             SLE_UINT8),
00690      SLE_CONDVAR(Vehicle, current_order.dest,    SLE_FILE_U8 | SLE_VAR_U16,    0,   4),
00691      SLE_CONDVAR(Vehicle, current_order.dest,    SLE_UINT16,                   5, SL_MAX_VERSION),
00692 
00693          SLE_VAR(Vehicle, cur_image,             SLE_FILE_U16 | SLE_VAR_U32),
00694      SLE_CONDVAR(Vehicle, age,                   SLE_FILE_U16 | SLE_VAR_I32,   0,  30),
00695      SLE_CONDVAR(Vehicle, age,                   SLE_INT32,                   31, SL_MAX_VERSION),
00696          SLE_VAR(Vehicle, tick_counter,          SLE_UINT8),
00697 
00698          SLE_VAR(DisasterVehicle, image_override,            SLE_UINT16),
00699          SLE_VAR(DisasterVehicle, big_ufo_destroyer_target,  SLE_UINT16),
00700 
00701     SLE_CONDNULL(16,                                                           2, 143), // old reserved space
00702 
00703          SLE_END()
00704   };
00705 
00706 
00707   static const SaveLoad * const _veh_descs[] = {
00708     _train_desc,
00709     _roadveh_desc,
00710     _ship_desc,
00711     _aircraft_desc,
00712     _special_desc,
00713     _disaster_desc,
00714     _common_veh_desc,
00715   };
00716 
00717   return _veh_descs[vt];
00718 }
00719 
00721 static void Save_VEHS()
00722 {
00723   Vehicle *v;
00724   /* Write the vehicles */
00725   FOR_ALL_VEHICLES(v) {
00726     SlSetArrayIndex(v->index);
00727     SlObject(v, GetVehicleDescription(v->type));
00728   }
00729 }
00730 
00732 void Load_VEHS()
00733 {
00734   int index;
00735 
00736   _cargo_count = 0;
00737 
00738   while ((index = SlIterateArray()) != -1) {
00739     Vehicle *v;
00740     VehicleType vtype = (VehicleType)SlReadByte();
00741 
00742     switch (vtype) {
00743       case VEH_TRAIN:    v = new (index) Train();           break;
00744       case VEH_ROAD:     v = new (index) RoadVehicle();     break;
00745       case VEH_SHIP:     v = new (index) Ship();            break;
00746       case VEH_AIRCRAFT: v = new (index) Aircraft();        break;
00747       case VEH_EFFECT:   v = new (index) EffectVehicle();   break;
00748       case VEH_DISASTER: v = new (index) DisasterVehicle(); break;
00749       case VEH_INVALID: // Savegame shouldn't contain invalid vehicles
00750       default: SlErrorCorrupt("Invalid vehicle type");
00751     }
00752 
00753     SlObject(v, GetVehicleDescription(vtype));
00754 
00755     if (_cargo_count != 0 && IsCompanyBuildableVehicleType(v)) {
00756       /* Don't construct the packet with station here, because that'll fail with old savegames */
00757       CargoPacket *cp = new CargoPacket(_cargo_count, _cargo_days, _cargo_source, _cargo_source_xy, _cargo_loaded_at_xy, _cargo_feeder_share);
00758       v->cargo.Append(cp);
00759     }
00760 
00761     /* Old savegames used 'last_station_visited = 0xFF' */
00762     if (IsSavegameVersionBefore(5) && v->last_station_visited == 0xFF) {
00763       v->last_station_visited = INVALID_STATION;
00764     }
00765 
00766     if (IsSavegameVersionBefore(5)) {
00767       /* Convert the current_order.type (which is a mix of type and flags, because
00768        *  in those versions, they both were 4 bits big) to type and flags */
00769       v->current_order.flags = GB(v->current_order.type, 4, 4);
00770       v->current_order.type &= 0x0F;
00771     }
00772 
00773     /* Advanced vehicle lists got added */
00774     if (IsSavegameVersionBefore(60)) v->group_id = DEFAULT_GROUP;
00775   }
00776 }
00777 
00778 static void Ptrs_VEHS()
00779 {
00780   Vehicle *v;
00781   FOR_ALL_VEHICLES(v) {
00782     SlObject(v, GetVehicleDescription(v->type));
00783   }
00784 }
00785 
00786 extern const ChunkHandler _veh_chunk_handlers[] = {
00787   { 'VEHS', Save_VEHS, Load_VEHS, Ptrs_VEHS, NULL, CH_SPARSE_ARRAY | CH_LAST},
00788 };

Generated on Fri Feb 4 20:53:46 2011 for OpenTTD by  doxygen 1.6.1