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Feature: Purchase land multiple tiles at a time
[openttd-github.git] / src / saveload / vehicle_sl.cpp
blob178275f54ad94aca288879d7bfb42b496332a3fc
1 /*
2 * This file is part of OpenTTD.
3 * 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.
4 * 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.
5 * 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/>.
6 */
7
8 /** @file vehicle_sl.cpp Code handling saving and loading of vehicles */
9
10 #include "../stdafx.h"
11
12 #include "saveload.h"
13 #include "compat/vehicle_sl_compat.h"
14
15 #include "../vehicle_func.h"
16 #include "../train.h"
17 #include "../roadveh.h"
18 #include "../ship.h"
19 #include "../aircraft.h"
20 #include "../station_base.h"
21 #include "../effectvehicle_base.h"
22 #include "../company_base.h"
23 #include "../company_func.h"
24 #include "../disaster_vehicle.h"
25
26 #include <map>
27
28 #include "../safeguards.h"
29
30 /**
31 * Link front and rear multiheaded engines to each other
32 * This is done when loading a savegame
33 */
34 void ConnectMultiheadedTrains()
35 {
36 for (Train *v : Train::Iterate()) {
37 v->other_multiheaded_part = nullptr;
38 }
39
40 for (Train *v : Train::Iterate()) {
41 if (v->IsFrontEngine() || v->IsFreeWagon()) {
42 /* Two ways to associate multiheaded parts to each other:
43 * sequential-matching: Trains shall be arranged to look like <..>..<..>..<..>..
44 * bracket-matching: Free vehicle chains shall be arranged to look like ..<..<..>..<..>..>..
45 *
46 * Note: Old savegames might contain chains which do not comply with these rules, e.g.
47 * - the front and read parts have invalid orders
48 * - different engine types might be combined
49 * - there might be different amounts of front and rear parts.
50 *
51 * Note: The multiheaded parts need to be matched exactly like they are matched on the server, else desyncs will occur.
52 * This is why two matching strategies are needed.
53 */
54
55 bool sequential_matching = v->IsFrontEngine();
56
57 for (Train *u = v; u != nullptr; u = u->GetNextVehicle()) {
58 if (u->other_multiheaded_part != nullptr) continue; // we already linked this one
59
60 if (u->IsMultiheaded()) {
61 if (!u->IsEngine()) {
62 /* we got a rear car without a front car. We will convert it to a front one */
63 u->SetEngine();
64 u->spritenum--;
65 }
66
67 /* Find a matching back part */
68 EngineID eid = u->engine_type;
69 Train *w;
70 if (sequential_matching) {
71 for (w = u->GetNextVehicle(); w != nullptr; w = w->GetNextVehicle()) {
72 if (w->engine_type != eid || w->other_multiheaded_part != nullptr || !w->IsMultiheaded()) continue;
73
74 /* we found a car to partner with this engine. Now we will make sure it face the right way */
75 if (w->IsEngine()) {
76 w->ClearEngine();
77 w->spritenum++;
78 }
79 break;
80 }
81 } else {
82 uint stack_pos = 0;
83 for (w = u->GetNextVehicle(); w != nullptr; w = w->GetNextVehicle()) {
84 if (w->engine_type != eid || w->other_multiheaded_part != nullptr || !w->IsMultiheaded()) continue;
85
86 if (w->IsEngine()) {
87 stack_pos++;
88 } else {
89 if (stack_pos == 0) break;
90 stack_pos--;
91 }
92 }
93 }
94
95 if (w != nullptr) {
96 w->other_multiheaded_part = u;
97 u->other_multiheaded_part = w;
98 } else {
99 /* we got a front car and no rear cars. We will fake this one for forget that it should have been multiheaded */
100 u->ClearMultiheaded();
101 }
102 }
103 }
104 }
105 }
106 }
107
108 /**
109 * Converts all trains to the new subtype format introduced in savegame 16.2
110 * It also links multiheaded engines or make them forget they are multiheaded if no suitable partner is found
111 */
112 void ConvertOldMultiheadToNew()
113 {
114 for (Train *t : Train::Iterate()) SetBit(t->subtype, 7); // indicates that it's the old format and needs to be converted in the next loop
115
116 for (Train *t : Train::Iterate()) {
117 if (HasBit(t->subtype, 7) && ((t->subtype & ~0x80) == 0 || (t->subtype & ~0x80) == 4)) {
118 for (Train *u = t; u != nullptr; u = u->Next()) {
119 const RailVehicleInfo *rvi = RailVehInfo(u->engine_type);
120
121 ClrBit(u->subtype, 7);
122 switch (u->subtype) {
123 case 0: // TS_Front_Engine
124 if (rvi->railveh_type == RAILVEH_MULTIHEAD) u->SetMultiheaded();
125 u->SetFrontEngine();
126 u->SetEngine();
127 break;
128
129 case 1: // TS_Artic_Part
130 u->subtype = 0;
131 u->SetArticulatedPart();
132 break;
133
134 case 2: // TS_Not_First
135 u->subtype = 0;
136 if (rvi->railveh_type == RAILVEH_WAGON) {
137 /* normal wagon */
138 u->SetWagon();
139 break;
140 }
141 if (rvi->railveh_type == RAILVEH_MULTIHEAD && rvi->image_index == u->spritenum - 1) {
142 /* rear end of a multiheaded engine */
143 u->SetMultiheaded();
144 break;
145 }
146 if (rvi->railveh_type == RAILVEH_MULTIHEAD) u->SetMultiheaded();
147 u->SetEngine();
148 break;
149
150 case 4: // TS_Free_Car
151 u->subtype = 0;
152 u->SetWagon();
153 u->SetFreeWagon();
154 break;
155 default: SlErrorCorrupt("Invalid train subtype");
156 }
157 }
158 }
159 }
160 }
161
162
163 /** need to be called to load aircraft from old version */
164 void UpdateOldAircraft()
165 {
166 /* set airport_flags to 0 for all airports just to be sure */
167 for (Station *st : Station::Iterate()) {
168 st->airport.flags = 0; // reset airport
169 }
170
171 for (Aircraft *a : Aircraft::Iterate()) {
172 /* airplane has another vehicle with subtype 4 (shadow), helicopter also has 3 (rotor)
173 * skip those */
174 if (a->IsNormalAircraft()) {
175 /* airplane in terminal stopped doesn't hurt anyone, so goto next */
176 if ((a->vehstatus & VS_STOPPED) && a->state == 0) {
177 a->state = HANGAR;
178 continue;
179 }
180
181 AircraftLeaveHangar(a, a->direction); // make airplane visible if it was in a depot for example
182 a->vehstatus &= ~VS_STOPPED; // make airplane moving
183 UpdateAircraftCache(a);
184 a->cur_speed = a->vcache.cached_max_speed; // so aircraft don't have zero speed while in air
185 if (!a->current_order.IsType(OT_GOTO_STATION) && !a->current_order.IsType(OT_GOTO_DEPOT)) {
186 /* reset current order so aircraft doesn't have invalid "station-only" order */
187 a->current_order.MakeDummy();
188 }
189 a->state = FLYING;
190 AircraftNextAirportPos_and_Order(a); // move it to the entry point of the airport
191 GetNewVehiclePosResult gp = GetNewVehiclePos(a);
192 a->tile = 0; // aircraft in air is tile=0
193
194 /* correct speed of helicopter-rotors */
195 if (a->subtype == AIR_HELICOPTER) a->Next()->Next()->cur_speed = 32;
196
197 /* set new position x,y,z */
198 GetAircraftFlightLevelBounds(a, &a->z_pos, nullptr);
199 SetAircraftPosition(a, gp.x, gp.y, GetAircraftFlightLevel(a));
200 }
201 }
202 }
203
204 /**
205 * Check all vehicles to ensure their engine type is valid
206 * for the currently loaded NewGRFs (that includes none...)
207 * This only makes a difference if NewGRFs are missing, otherwise
208 * all vehicles will be valid. This does not make such a game
209 * playable, it only prevents crash.
210 */
211 static void CheckValidVehicles()
212 {
213 size_t total_engines = Engine::GetPoolSize();
214 EngineID first_engine[4] = { INVALID_ENGINE, INVALID_ENGINE, INVALID_ENGINE, INVALID_ENGINE };
215
216 for (const Engine *e : Engine::IterateType(VEH_TRAIN)) { first_engine[VEH_TRAIN] = e->index; break; }
217 for (const Engine *e : Engine::IterateType(VEH_ROAD)) { first_engine[VEH_ROAD] = e->index; break; }
218 for (const Engine *e : Engine::IterateType(VEH_SHIP)) { first_engine[VEH_SHIP] = e->index; break; }
219 for (const Engine *e : Engine::IterateType(VEH_AIRCRAFT)) { first_engine[VEH_AIRCRAFT] = e->index; break; }
220
221 for (Vehicle *v : Vehicle::Iterate()) {
222 /* Test if engine types match */
223 switch (v->type) {
224 case VEH_TRAIN:
225 case VEH_ROAD:
226 case VEH_SHIP:
227 case VEH_AIRCRAFT:
228 if (v->engine_type >= total_engines || v->type != v->GetEngine()->type) {
229 v->engine_type = first_engine[v->type];
230 }
231 break;
232
233 default:
234 break;
235 }
236 }
237 }
238
239 extern byte _age_cargo_skip_counter; // From misc_sl.cpp
240
241 /** Called after load to update coordinates */
242 void AfterLoadVehicles(bool part_of_load)
243 {
244 for (Vehicle *v : Vehicle::Iterate()) {
245 /* Reinstate the previous pointer */
246 if (v->Next() != nullptr) v->Next()->previous = v;
247 if (v->NextShared() != nullptr) v->NextShared()->previous_shared = v;
248
249 if (part_of_load) v->fill_percent_te_id = INVALID_TE_ID;
250 v->first = nullptr;
251 if (v->IsGroundVehicle()) v->GetGroundVehicleCache()->first_engine = INVALID_ENGINE;
252 }
253
254 /* AfterLoadVehicles may also be called in case of NewGRF reload, in this
255 * case we may not convert orders again. */
256 if (part_of_load) {
257 /* Create shared vehicle chain for very old games (pre 5,2) and create
258 * OrderList from shared vehicle chains. For this to work correctly, the
259 * following conditions must be fulfilled:
260 * a) both next_shared and previous_shared are not set for pre 5,2 games
261 * b) both next_shared and previous_shared are set for later games
262 */
263 std::map<Order*, OrderList*> mapping;
264
265 for (Vehicle *v : Vehicle::Iterate()) {
266 if (v->old_orders != nullptr) {
267 if (IsSavegameVersionBefore(SLV_105)) { // Pre-105 didn't save an OrderList
268 if (mapping[v->old_orders] == nullptr) {
269 /* This adds the whole shared vehicle chain for case b */
270
271 /* Creating an OrderList here is safe because the number of vehicles
272 * allowed in these savegames matches the number of OrderLists. As
273 * such each vehicle can get an OrderList and it will (still) fit. */
274 assert(OrderList::CanAllocateItem());
275 v->orders = mapping[v->old_orders] = new OrderList(v->old_orders, v);
276 } else {
277 v->orders = mapping[v->old_orders];
278 /* For old games (case a) we must create the shared vehicle chain */
279 if (IsSavegameVersionBefore(SLV_5, 2)) {
280 v->AddToShared(v->orders->GetFirstSharedVehicle());
281 }
282 }
283 } else { // OrderList was saved as such, only recalculate not saved values
284 if (v->PreviousShared() == nullptr) {
285 v->orders->Initialize(v->orders->first, v);
286 }
287 }
288 }
289 }
290 }
291
292 for (Vehicle *v : Vehicle::Iterate()) {
293 /* Fill the first pointers */
294 if (v->Previous() == nullptr) {
295 for (Vehicle *u = v; u != nullptr; u = u->Next()) {
296 u->first = v;
297 }
298 }
299 }
300
301 if (part_of_load) {
302 if (IsSavegameVersionBefore(SLV_105)) {
303 /* Before 105 there was no order for shared orders, thus it messed up horribly */
304 for (Vehicle *v : Vehicle::Iterate()) {
305 if (v->First() != v || v->orders != nullptr || v->previous_shared != nullptr || v->next_shared == nullptr) continue;
306
307 /* As above, allocating OrderList here is safe. */
308 assert(OrderList::CanAllocateItem());
309 v->orders = new OrderList(nullptr, v);
310 for (Vehicle *u = v; u != nullptr; u = u->next_shared) {
311 u->orders = v->orders;
312 }
313 }
314 }
315
316 if (IsSavegameVersionBefore(SLV_157)) {
317 /* The road vehicle subtype was converted to a flag. */
318 for (RoadVehicle *rv : RoadVehicle::Iterate()) {
319 if (rv->subtype == 0) {
320 /* The road vehicle is at the front. */
321 rv->SetFrontEngine();
322 } else if (rv->subtype == 1) {
323 /* The road vehicle is an articulated part. */
324 rv->subtype = 0;
325 rv->SetArticulatedPart();
326 } else {
327 SlErrorCorrupt("Invalid road vehicle subtype");
328 }
329 }
330 }
331
332 if (IsSavegameVersionBefore(SLV_160)) {
333 /* In some old savegames there might be some "crap" stored. */
334 for (Vehicle *v : Vehicle::Iterate()) {
335 if (!v->IsPrimaryVehicle() && v->type != VEH_DISASTER) {
336 v->current_order.Free();
337 v->unitnumber = 0;
338 }
339 }
340 }
341
342 if (IsSavegameVersionBefore(SLV_162)) {
343 /* Set the vehicle-local cargo age counter from the old global counter. */
344 for (Vehicle *v : Vehicle::Iterate()) {
345 v->cargo_age_counter = _age_cargo_skip_counter;
346 }
347 }
348
349 if (IsSavegameVersionBefore(SLV_180)) {
350 /* Set service interval flags */
351 for (Vehicle *v : Vehicle::Iterate()) {
352 if (!v->IsPrimaryVehicle()) continue;
353
354 const Company *c = Company::Get(v->owner);
355 int interval = CompanyServiceInterval(c, v->type);
356
357 v->SetServiceIntervalIsCustom(v->GetServiceInterval() != interval);
358 v->SetServiceIntervalIsPercent(c->settings.vehicle.servint_ispercent);
359 }
360 }
361
362 if (IsSavegameVersionBefore(SLV_SHIP_ROTATION)) {
363 /* Ship rotation added */
364 for (Ship *s : Ship::Iterate()) {
365 s->rotation = s->direction;
366 }
367 } else {
368 for (Ship *s : Ship::Iterate()) {
369 if (s->rotation == s->direction) continue;
370 /* In case we are rotating on gameload, set the rotation position to
371 * the current position, otherwise the applied workaround offset would
372 * be with respect to 0,0.
373 */
374 s->rotation_x_pos = s->x_pos;
375 s->rotation_y_pos = s->y_pos;
376 }
377 }
378 }
379
380 CheckValidVehicles();
381
382 for (Vehicle *v : Vehicle::Iterate()) {
383 assert(v->first != nullptr);
384
385 v->trip_occupancy = CalcPercentVehicleFilled(v, nullptr);
386
387 switch (v->type) {
388 case VEH_TRAIN: {
389 Train *t = Train::From(v);
390 if (t->IsFrontEngine() || t->IsFreeWagon()) {
391 t->gcache.last_speed = t->cur_speed; // update displayed train speed
392 t->ConsistChanged(CCF_SAVELOAD);
393 }
394 break;
395 }
396
397 case VEH_ROAD: {
398 RoadVehicle *rv = RoadVehicle::From(v);
399 if (rv->IsFrontEngine()) {
400 rv->gcache.last_speed = rv->cur_speed; // update displayed road vehicle speed
401
402 rv->roadtype = Engine::Get(rv->engine_type)->u.road.roadtype;
403 rv->compatible_roadtypes = GetRoadTypeInfo(rv->roadtype)->powered_roadtypes;
404 for (RoadVehicle *u = rv; u != nullptr; u = u->Next()) {
405 u->roadtype = rv->roadtype;
406 u->compatible_roadtypes = rv->compatible_roadtypes;
407 }
408
409 RoadVehUpdateCache(rv);
410 if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) {
411 rv->CargoChanged();
412 }
413 }
414 break;
415 }
416
417 case VEH_SHIP:
418 Ship::From(v)->UpdateCache();
419 break;
420
421 default: break;
422 }
423 }
424
425 /* Stop non-front engines */
426 if (part_of_load && IsSavegameVersionBefore(SLV_112)) {
427 for (Vehicle *v : Vehicle::Iterate()) {
428 if (v->type == VEH_TRAIN) {
429 Train *t = Train::From(v);
430 if (!t->IsFrontEngine()) {
431 if (t->IsEngine()) t->vehstatus |= VS_STOPPED;
432 /* cur_speed is now relevant for non-front parts - nonzero breaks
433 * moving-wagons-inside-depot- and autoreplace- code */
434 t->cur_speed = 0;
435 }
436 }
437 /* trains weren't stopping gradually in old OTTD versions (and TTO/TTD)
438 * other vehicle types didn't have zero speed while stopped (even in 'recent' OTTD versions) */
439 if ((v->vehstatus & VS_STOPPED) && (v->type != VEH_TRAIN || IsSavegameVersionBefore(SLV_2, 1))) {
440 v->cur_speed = 0;
441 }
442 }
443 }
444
445 for (Vehicle *v : Vehicle::Iterate()) {
446 switch (v->type) {
447 case VEH_ROAD:
448 case VEH_TRAIN:
449 case VEH_SHIP:
450 v->GetImage(v->direction, EIT_ON_MAP, &v->sprite_cache.sprite_seq);
451 break;
452
453 case VEH_AIRCRAFT:
454 if (Aircraft::From(v)->IsNormalAircraft()) {
455 v->GetImage(v->direction, EIT_ON_MAP, &v->sprite_cache.sprite_seq);
456
457 /* The plane's shadow will have the same image as the plane, but no colour */
458 Vehicle *shadow = v->Next();
459 shadow->sprite_cache.sprite_seq.CopyWithoutPalette(v->sprite_cache.sprite_seq);
460
461 /* In the case of a helicopter we will update the rotor sprites */
462 if (v->subtype == AIR_HELICOPTER) {
463 Vehicle *rotor = shadow->Next();
464 GetRotorImage(Aircraft::From(v), EIT_ON_MAP, &rotor->sprite_cache.sprite_seq);
465 }
466
467 UpdateAircraftCache(Aircraft::From(v), true);
468 }
469 break;
470 default: break;
471 }
472
473 v->UpdateDeltaXY();
474 v->coord.left = INVALID_COORD;
475 v->sprite_cache.old_coord.left = INVALID_COORD;
476 v->UpdatePosition();
477 v->UpdateViewport(false);
478 }
479 }
480
481 bool TrainController(Train *v, Vehicle *nomove, bool reverse = true); // From train_cmd.cpp
482 void ReverseTrainDirection(Train *v);
483 void ReverseTrainSwapVeh(Train *v, int l, int r);
484
485 /** Fixup old train spacing. */
486 void FixupTrainLengths()
487 {
488 /* Vehicle center was moved from 4 units behind the front to half the length
489 * behind the front. Move vehicles so they end up on the same spot. */
490 for (Vehicle *v : Vehicle::Iterate()) {
491 if (v->type == VEH_TRAIN && v->IsPrimaryVehicle()) {
492 /* The vehicle center is now more to the front depending on vehicle length,
493 * so we need to move all vehicles forward to cover the difference to the
494 * old center, otherwise wagon spacing in trains would be broken upon load. */
495 for (Train *u = Train::From(v); u != nullptr; u = u->Next()) {
496 if (u->track == TRACK_BIT_DEPOT || (u->vehstatus & VS_CRASHED)) continue;
497
498 Train *next = u->Next();
499
500 /* Try to pull the vehicle half its length forward. */
501 int diff = (VEHICLE_LENGTH - u->gcache.cached_veh_length) / 2;
502 int done;
503 for (done = 0; done < diff; done++) {
504 if (!TrainController(u, next, false)) break;
505 }
506
507 if (next != nullptr && done < diff && u->IsFrontEngine()) {
508 /* Pulling the front vehicle forwards failed, we either encountered a dead-end
509 * or a red signal. To fix this, we try to move the whole train the required
510 * space backwards and re-do the fix up of the front vehicle. */
511
512 /* Ignore any signals when backtracking. */
513 TrainForceProceeding old_tfp = u->force_proceed;
514 u->force_proceed = TFP_SIGNAL;
515
516 /* Swap start<>end, start+1<>end-1, ... */
517 int r = CountVehiclesInChain(u) - 1; // number of vehicles - 1
518 int l = 0;
519 do ReverseTrainSwapVeh(u, l++, r--); while (l <= r);
520
521 /* We moved the first vehicle which is now the last. Move it back to the
522 * original position as we will fix up the last vehicle later in the loop. */
523 for (int i = 0; i < done; i++) TrainController(u->Last(), nullptr);
524
525 /* Move the train backwards to get space for the first vehicle. As the stopping
526 * distance from a line end is rounded up, move the train one unit more to cater
527 * for front vehicles with odd lengths. */
528 int moved;
529 for (moved = 0; moved < diff + 1; moved++) {
530 if (!TrainController(u, nullptr, false)) break;
531 }
532
533 /* Swap start<>end, start+1<>end-1, ... again. */
534 r = CountVehiclesInChain(u) - 1; // number of vehicles - 1
535 l = 0;
536 do ReverseTrainSwapVeh(u, l++, r--); while (l <= r);
537
538 u->force_proceed = old_tfp;
539
540 /* Tracks are too short to fix the train length. The player has to fix the
541 * train in a depot. Bail out so we don't damage the vehicle chain any more. */
542 if (moved < diff + 1) break;
543
544 /* Re-do the correction for the first vehicle. */
545 for (done = 0; done < diff; done++) TrainController(u, next, false);
546
547 /* We moved one unit more backwards than needed for even-length front vehicles,
548 * try to move that unit forward again. We don't care if this step fails. */
549 TrainController(u, nullptr, false);
550 }
551
552 /* If the next wagon is still in a depot, check if it shouldn't be outside already. */
553 if (next != nullptr && next->track == TRACK_BIT_DEPOT) {
554 int d = TicksToLeaveDepot(u);
555 if (d <= 0) {
556 /* Next vehicle should have left the depot already, show it and pull forward. */
557 next->vehstatus &= ~VS_HIDDEN;
558 next->track = TrackToTrackBits(GetRailDepotTrack(next->tile));
559 for (int i = 0; i >= d; i--) TrainController(next, nullptr);
560 }
561 }
562 }
563
564 /* Update all cached properties after moving the vehicle chain around. */
565 Train::From(v)->ConsistChanged(CCF_TRACK);
566 }
567 }
568 }
569
570 static uint8 _cargo_days;
571 static uint16 _cargo_source;
572 static uint32 _cargo_source_xy;
573 static uint16 _cargo_count;
574 static uint16 _cargo_paid_for;
575 static Money _cargo_feeder_share;
576 static uint32 _cargo_loaded_at_xy;
577
578 class SlVehicleCommon : public DefaultSaveLoadHandler<SlVehicleCommon, Vehicle> {
579 public:
580 #if defined(_MSC_VER) && (_MSC_VER == 1915 || _MSC_VER == 1916)
581 /* This table access private members of other classes; they have this
582 * class as friend. For MSVC CL 19.15 and 19.16 this doesn't work for
583 * "inline static const", so we are forced to wrap the table in a
584 * function. CL 19.16 is the latest for VS2017. */
585 inline static const SaveLoad description[] = {{}};
586 SaveLoadTable GetDescription() const override {
587 #else
588 inline
589 #endif
590 static const SaveLoad description[] = {
591 SLE_VAR(Vehicle, subtype, SLE_UINT8),
592
593 SLE_REF(Vehicle, next, REF_VEHICLE_OLD),
594 SLE_CONDVAR(Vehicle, name, SLE_NAME, SL_MIN_VERSION, SLV_84),
595 SLE_CONDSSTR(Vehicle, name, SLE_STR | SLF_ALLOW_CONTROL, SLV_84, SL_MAX_VERSION),
596 SLE_CONDVAR(Vehicle, unitnumber, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_8),
597 SLE_CONDVAR(Vehicle, unitnumber, SLE_UINT16, SLV_8, SL_MAX_VERSION),
598 SLE_VAR(Vehicle, owner, SLE_UINT8),
599 SLE_CONDVAR(Vehicle, tile, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_6),
600 SLE_CONDVAR(Vehicle, tile, SLE_UINT32, SLV_6, SL_MAX_VERSION),
601 SLE_CONDVAR(Vehicle, dest_tile, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_6),
602 SLE_CONDVAR(Vehicle, dest_tile, SLE_UINT32, SLV_6, SL_MAX_VERSION),
603
604 SLE_CONDVAR(Vehicle, x_pos, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_6),
605 SLE_CONDVAR(Vehicle, x_pos, SLE_UINT32, SLV_6, SL_MAX_VERSION),
606 SLE_CONDVAR(Vehicle, y_pos, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_6),
607 SLE_CONDVAR(Vehicle, y_pos, SLE_UINT32, SLV_6, SL_MAX_VERSION),
608 SLE_CONDVAR(Vehicle, z_pos, SLE_FILE_U8 | SLE_VAR_I32, SL_MIN_VERSION, SLV_164),
609 SLE_CONDVAR(Vehicle, z_pos, SLE_INT32, SLV_164, SL_MAX_VERSION),
610 SLE_VAR(Vehicle, direction, SLE_UINT8),
611
612 SLE_VAR(Vehicle, spritenum, SLE_UINT8),
613 SLE_VAR(Vehicle, engine_type, SLE_UINT16),
614 SLE_VAR(Vehicle, cur_speed, SLE_UINT16),
615 SLE_VAR(Vehicle, subspeed, SLE_UINT8),
616 SLE_VAR(Vehicle, acceleration, SLE_UINT8),
617 SLE_CONDVAR(Vehicle, motion_counter, SLE_UINT32, SLV_VEH_MOTION_COUNTER, SL_MAX_VERSION),
618 SLE_VAR(Vehicle, progress, SLE_UINT8),
619
620 SLE_VAR(Vehicle, vehstatus, SLE_UINT8),
621 SLE_CONDVAR(Vehicle, last_station_visited, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_5),
622 SLE_CONDVAR(Vehicle, last_station_visited, SLE_UINT16, SLV_5, SL_MAX_VERSION),
623 SLE_CONDVAR(Vehicle, last_loading_station, SLE_UINT16, SLV_182, SL_MAX_VERSION),
624
625 SLE_VAR(Vehicle, cargo_type, SLE_UINT8),
626 SLE_CONDVAR(Vehicle, cargo_subtype, SLE_UINT8, SLV_35, SL_MAX_VERSION),
627 SLEG_CONDVAR("cargo_days", _cargo_days, SLE_UINT8, SL_MIN_VERSION, SLV_68),
628 SLEG_CONDVAR("cargo_source", _cargo_source, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_7),
629 SLEG_CONDVAR("cargo_source", _cargo_source, SLE_UINT16, SLV_7, SLV_68),
630 SLEG_CONDVAR("cargo_source_xy", _cargo_source_xy, SLE_UINT32, SLV_44, SLV_68),
631 SLE_VAR(Vehicle, cargo_cap, SLE_UINT16),
632 SLE_CONDVAR(Vehicle, refit_cap, SLE_UINT16, SLV_182, SL_MAX_VERSION),
633 SLEG_CONDVAR("cargo_count", _cargo_count, SLE_UINT16, SL_MIN_VERSION, SLV_68),
634 SLE_CONDREFLIST(Vehicle, cargo.packets, REF_CARGO_PACKET, SLV_68, SL_MAX_VERSION),
635 SLE_CONDARR(Vehicle, cargo.action_counts, SLE_UINT, VehicleCargoList::NUM_MOVE_TO_ACTION, SLV_181, SL_MAX_VERSION),
636 SLE_CONDVAR(Vehicle, cargo_age_counter, SLE_UINT16, SLV_162, SL_MAX_VERSION),
637
638 SLE_VAR(Vehicle, day_counter, SLE_UINT8),
639 SLE_VAR(Vehicle, tick_counter, SLE_UINT8),
640 SLE_CONDVAR(Vehicle, running_ticks, SLE_UINT8, SLV_88, SL_MAX_VERSION),
641
642 SLE_VAR(Vehicle, cur_implicit_order_index, SLE_UINT8),
643 SLE_CONDVAR(Vehicle, cur_real_order_index, SLE_UINT8, SLV_158, SL_MAX_VERSION),
644
645 /* This next line is for version 4 and prior compatibility.. it temporarily reads
646 type and flags (which were both 4 bits) into type. Later on this is
647 converted correctly */
648 SLE_CONDVAR(Vehicle, current_order.type, SLE_UINT8, SL_MIN_VERSION, SLV_5),
649 SLE_CONDVAR(Vehicle, current_order.dest, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_5),
650
651 /* Orders for version 5 and on */
652 SLE_CONDVAR(Vehicle, current_order.type, SLE_UINT8, SLV_5, SL_MAX_VERSION),
653 SLE_CONDVAR(Vehicle, current_order.flags, SLE_UINT8, SLV_5, SL_MAX_VERSION),
654 SLE_CONDVAR(Vehicle, current_order.dest, SLE_UINT16, SLV_5, SL_MAX_VERSION),
655
656 /* Refit in current order */
657 SLE_CONDVAR(Vehicle, current_order.refit_cargo, SLE_UINT8, SLV_36, SL_MAX_VERSION),
658
659 /* Timetable in current order */
660 SLE_CONDVAR(Vehicle, current_order.wait_time, SLE_UINT16, SLV_67, SL_MAX_VERSION),
661 SLE_CONDVAR(Vehicle, current_order.travel_time, SLE_UINT16, SLV_67, SL_MAX_VERSION),
662 SLE_CONDVAR(Vehicle, current_order.max_speed, SLE_UINT16, SLV_174, SL_MAX_VERSION),
663 SLE_CONDVAR(Vehicle, timetable_start, SLE_INT32, SLV_129, SL_MAX_VERSION),
664
665 SLE_CONDREF(Vehicle, orders, REF_ORDER, SL_MIN_VERSION, SLV_105),
666 SLE_CONDREF(Vehicle, orders, REF_ORDERLIST, SLV_105, SL_MAX_VERSION),
667
668 SLE_CONDVAR(Vehicle, age, SLE_FILE_U16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_31),
669 SLE_CONDVAR(Vehicle, age, SLE_INT32, SLV_31, SL_MAX_VERSION),
670 SLE_CONDVAR(Vehicle, max_age, SLE_FILE_U16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_31),
671 SLE_CONDVAR(Vehicle, max_age, SLE_INT32, SLV_31, SL_MAX_VERSION),
672 SLE_CONDVAR(Vehicle, date_of_last_service, SLE_FILE_U16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_31),
673 SLE_CONDVAR(Vehicle, date_of_last_service, SLE_INT32, SLV_31, SL_MAX_VERSION),
674 SLE_CONDVAR(Vehicle, service_interval, SLE_UINT16, SL_MIN_VERSION, SLV_31),
675 SLE_CONDVAR(Vehicle, service_interval, SLE_FILE_U32 | SLE_VAR_U16, SLV_31, SLV_180),
676 SLE_CONDVAR(Vehicle, service_interval, SLE_UINT16, SLV_180, SL_MAX_VERSION),
677 SLE_VAR(Vehicle, reliability, SLE_UINT16),
678 SLE_VAR(Vehicle, reliability_spd_dec, SLE_UINT16),
679 SLE_VAR(Vehicle, breakdown_ctr, SLE_UINT8),
680 SLE_VAR(Vehicle, breakdown_delay, SLE_UINT8),
681 SLE_VAR(Vehicle, breakdowns_since_last_service, SLE_UINT8),
682 SLE_VAR(Vehicle, breakdown_chance, SLE_UINT8),
683 SLE_CONDVAR(Vehicle, build_year, SLE_FILE_U8 | SLE_VAR_I32, SL_MIN_VERSION, SLV_31),
684 SLE_CONDVAR(Vehicle, build_year, SLE_INT32, SLV_31, SL_MAX_VERSION),
685
686 SLE_VAR(Vehicle, load_unload_ticks, SLE_UINT16),
687 SLEG_CONDVAR("cargo_paid_for", _cargo_paid_for, SLE_UINT16, SLV_45, SL_MAX_VERSION),
688 SLE_CONDVAR(Vehicle, vehicle_flags, SLE_FILE_U8 | SLE_VAR_U16, SLV_40, SLV_180),
689 SLE_CONDVAR(Vehicle, vehicle_flags, SLE_UINT16, SLV_180, SL_MAX_VERSION),
690
691 SLE_CONDVAR(Vehicle, profit_this_year, SLE_FILE_I32 | SLE_VAR_I64, SL_MIN_VERSION, SLV_65),
692 SLE_CONDVAR(Vehicle, profit_this_year, SLE_INT64, SLV_65, SL_MAX_VERSION),
693 SLE_CONDVAR(Vehicle, profit_last_year, SLE_FILE_I32 | SLE_VAR_I64, SL_MIN_VERSION, SLV_65),
694 SLE_CONDVAR(Vehicle, profit_last_year, SLE_INT64, SLV_65, SL_MAX_VERSION),
695 SLEG_CONDVAR("cargo_feeder_share", _cargo_feeder_share, SLE_FILE_I32 | SLE_VAR_I64, SLV_51, SLV_65),
696 SLEG_CONDVAR("cargo_feeder_share", _cargo_feeder_share, SLE_INT64, SLV_65, SLV_68),
697 SLEG_CONDVAR("cargo_loaded_at_xy", _cargo_loaded_at_xy, SLE_UINT32, SLV_51, SLV_68),
698 SLE_CONDVAR(Vehicle, value, SLE_FILE_I32 | SLE_VAR_I64, SL_MIN_VERSION, SLV_65),
699 SLE_CONDVAR(Vehicle, value, SLE_INT64, SLV_65, SL_MAX_VERSION),
700
701 SLE_CONDVAR(Vehicle, random_bits, SLE_UINT8, SLV_2, SL_MAX_VERSION),
702 SLE_CONDVAR(Vehicle, waiting_triggers, SLE_UINT8, SLV_2, SL_MAX_VERSION),
703
704 SLE_CONDREF(Vehicle, next_shared, REF_VEHICLE, SLV_2, SL_MAX_VERSION),
705 SLE_CONDVAR(Vehicle, group_id, SLE_UINT16, SLV_60, SL_MAX_VERSION),
706
707 SLE_CONDVAR(Vehicle, current_order_time, SLE_UINT32, SLV_67, SL_MAX_VERSION),
708 SLE_CONDVAR(Vehicle, lateness_counter, SLE_INT32, SLV_67, SL_MAX_VERSION),
709 };
710 #if defined(_MSC_VER) && (_MSC_VER == 1915 || _MSC_VER == 1916)
711 return description;
712 }
713 #endif
714 inline const static SaveLoadCompatTable compat_description = _vehicle_common_sl_compat;
715
716 void Save(Vehicle *v) const override
717 {
718 SlObject(v, this->GetDescription());
719 }
720
721 void Load(Vehicle *v) const override
722 {
723 SlObject(v, this->GetLoadDescription());
724 }
725
726 void FixPointers(Vehicle *v) const override
727 {
728 SlObject(v, this->GetDescription());
729 }
730 };
731
732 class SlVehicleTrain : public DefaultSaveLoadHandler<SlVehicleTrain, Vehicle> {
733 public:
734 inline static const SaveLoad description[] = {
735 SLEG_STRUCT("common", SlVehicleCommon),
736 SLE_VAR(Train, crash_anim_pos, SLE_UINT16),
737 SLE_VAR(Train, force_proceed, SLE_UINT8),
738 SLE_VAR(Train, railtype, SLE_UINT8),
739 SLE_VAR(Train, track, SLE_UINT8),
740
741 SLE_CONDVAR(Train, flags, SLE_FILE_U8 | SLE_VAR_U16, SLV_2, SLV_100),
742 SLE_CONDVAR(Train, flags, SLE_UINT16, SLV_100, SL_MAX_VERSION),
743 SLE_CONDVAR(Train, wait_counter, SLE_UINT16, SLV_136, SL_MAX_VERSION),
744 SLE_CONDVAR(Train, gv_flags, SLE_UINT16, SLV_139, SL_MAX_VERSION),
745 };
746 inline const static SaveLoadCompatTable compat_description = _vehicle_train_sl_compat;
747
748 void Save(Vehicle *v) const override
749 {
750 if (v->type != VEH_TRAIN) return;
751 SlObject(v, this->GetDescription());
752 }
753
754 void Load(Vehicle *v) const override
755 {
756 if (v->type != VEH_TRAIN) return;
757 SlObject(v, this->GetLoadDescription());
758 }
759
760 void FixPointers(Vehicle *v) const override
761 {
762 if (v->type != VEH_TRAIN) return;
763 SlObject(v, this->GetDescription());
764 }
765 };
766
767 class SlVehicleRoadVeh : public DefaultSaveLoadHandler<SlVehicleRoadVeh, Vehicle> {
768 public:
769 inline static const SaveLoad description[] = {
770 SLEG_STRUCT("common", SlVehicleCommon),
771 SLE_VAR(RoadVehicle, state, SLE_UINT8),
772 SLE_VAR(RoadVehicle, frame, SLE_UINT8),
773 SLE_VAR(RoadVehicle, blocked_ctr, SLE_UINT16),
774 SLE_VAR(RoadVehicle, overtaking, SLE_UINT8),
775 SLE_VAR(RoadVehicle, overtaking_ctr, SLE_UINT8),
776 SLE_VAR(RoadVehicle, crashed_ctr, SLE_UINT16),
777 SLE_VAR(RoadVehicle, reverse_ctr, SLE_UINT8),
778 SLE_CONDDEQUE(RoadVehicle, path.td, SLE_UINT8, SLV_ROADVEH_PATH_CACHE, SL_MAX_VERSION),
779 SLE_CONDDEQUE(RoadVehicle, path.tile, SLE_UINT32, SLV_ROADVEH_PATH_CACHE, SL_MAX_VERSION),
780 SLE_CONDVAR(RoadVehicle, gv_flags, SLE_UINT16, SLV_139, SL_MAX_VERSION),
781 };
782 inline const static SaveLoadCompatTable compat_description = _vehicle_roadveh_sl_compat;
783
784 void Save(Vehicle *v) const override
785 {
786 if (v->type != VEH_ROAD) return;
787 SlObject(v, this->GetDescription());
788 }
789
790 void Load(Vehicle *v) const override
791 {
792 if (v->type != VEH_ROAD) return;
793 SlObject(v, this->GetLoadDescription());
794 }
795
796 void FixPointers(Vehicle *v) const override
797 {
798 if (v->type != VEH_ROAD) return;
799 SlObject(v, this->GetDescription());
800 }
801 };
802
803 class SlVehicleShip : public DefaultSaveLoadHandler<SlVehicleShip, Vehicle> {
804 public:
805 inline static const SaveLoad description[] = {
806 SLEG_STRUCT("common", SlVehicleCommon),
807 SLE_VAR(Ship, state, SLE_UINT8),
808 SLE_CONDDEQUE(Ship, path, SLE_UINT8, SLV_SHIP_PATH_CACHE, SL_MAX_VERSION),
809 SLE_CONDVAR(Ship, rotation, SLE_UINT8, SLV_SHIP_ROTATION, SL_MAX_VERSION),
810 };
811 inline const static SaveLoadCompatTable compat_description = _vehicle_ship_sl_compat;
812
813 void Save(Vehicle *v) const override
814 {
815 if (v->type != VEH_SHIP) return;
816 SlObject(v, this->GetDescription());
817 }
818
819 void Load(Vehicle *v) const override
820 {
821 if (v->type != VEH_SHIP) return;
822 SlObject(v, this->GetLoadDescription());
823 }
824
825 void FixPointers(Vehicle *v) const override
826 {
827 if (v->type != VEH_SHIP) return;
828 SlObject(v, this->GetDescription());
829 }
830 };
831
832 class SlVehicleAircraft : public DefaultSaveLoadHandler<SlVehicleAircraft, Vehicle> {
833 public:
834 inline static const SaveLoad description[] = {
835 SLEG_STRUCT("common", SlVehicleCommon),
836 SLE_VAR(Aircraft, crashed_counter, SLE_UINT16),
837 SLE_VAR(Aircraft, pos, SLE_UINT8),
838
839 SLE_CONDVAR(Aircraft, targetairport, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_5),
840 SLE_CONDVAR(Aircraft, targetairport, SLE_UINT16, SLV_5, SL_MAX_VERSION),
841
842 SLE_VAR(Aircraft, state, SLE_UINT8),
843
844 SLE_CONDVAR(Aircraft, previous_pos, SLE_UINT8, SLV_2, SL_MAX_VERSION),
845 SLE_CONDVAR(Aircraft, last_direction, SLE_UINT8, SLV_2, SL_MAX_VERSION),
846 SLE_CONDVAR(Aircraft, number_consecutive_turns, SLE_UINT8, SLV_2, SL_MAX_VERSION),
847
848 SLE_CONDVAR(Aircraft, turn_counter, SLE_UINT8, SLV_136, SL_MAX_VERSION),
849 SLE_CONDVAR(Aircraft, flags, SLE_UINT8, SLV_167, SL_MAX_VERSION),
850 };
851 inline const static SaveLoadCompatTable compat_description = _vehicle_aircraft_sl_compat;
852
853 void Save(Vehicle *v) const override
854 {
855 if (v->type != VEH_AIRCRAFT) return;
856 SlObject(v, this->GetDescription());
857 }
858
859 void Load(Vehicle *v) const override
860 {
861 if (v->type != VEH_AIRCRAFT) return;
862 SlObject(v, this->GetLoadDescription());
863 }
864
865 void FixPointers(Vehicle *v) const override
866 {
867 if (v->type != VEH_AIRCRAFT) return;
868 SlObject(v, this->GetDescription());
869 }
870 };
871
872 class SlVehicleEffect : public DefaultSaveLoadHandler<SlVehicleEffect, Vehicle> {
873 public:
874 inline static const SaveLoad description[] = {
875 SLE_VAR(Vehicle, subtype, SLE_UINT8),
876
877 SLE_CONDVAR(Vehicle, tile, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_6),
878 SLE_CONDVAR(Vehicle, tile, SLE_UINT32, SLV_6, SL_MAX_VERSION),
879
880 SLE_CONDVAR(Vehicle, x_pos, SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_6),
881 SLE_CONDVAR(Vehicle, x_pos, SLE_INT32, SLV_6, SL_MAX_VERSION),
882 SLE_CONDVAR(Vehicle, y_pos, SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_6),
883 SLE_CONDVAR(Vehicle, y_pos, SLE_INT32, SLV_6, SL_MAX_VERSION),
884 SLE_CONDVAR(Vehicle, z_pos, SLE_FILE_U8 | SLE_VAR_I32, SL_MIN_VERSION, SLV_164),
885 SLE_CONDVAR(Vehicle, z_pos, SLE_INT32, SLV_164, SL_MAX_VERSION),
886
887 SLE_VAR(Vehicle, sprite_cache.sprite_seq.seq[0].sprite, SLE_FILE_U16 | SLE_VAR_U32),
888 SLE_VAR(Vehicle, progress, SLE_UINT8),
889 SLE_VAR(Vehicle, vehstatus, SLE_UINT8),
890
891 SLE_VAR(EffectVehicle, animation_state, SLE_UINT16),
892 SLE_VAR(EffectVehicle, animation_substate, SLE_UINT8),
893
894 SLE_CONDVAR(Vehicle, spritenum, SLE_UINT8, SLV_2, SL_MAX_VERSION),
895 };
896 inline const static SaveLoadCompatTable compat_description = _vehicle_effect_sl_compat;
897
898 void Save(Vehicle *v) const override
899 {
900 if (v->type != VEH_EFFECT) return;
901 SlObject(v, this->GetDescription());
902 }
903
904 void Load(Vehicle *v) const override
905 {
906 if (v->type != VEH_EFFECT) return;
907 SlObject(v, this->GetLoadDescription());
908 }
909
910 void FixPointers(Vehicle *v) const override
911 {
912 if (v->type != VEH_EFFECT) return;
913 SlObject(v, this->GetDescription());
914 }
915 };
916
917 class SlVehicleDisaster : public DefaultSaveLoadHandler<SlVehicleDisaster, Vehicle> {
918 public:
919 #if defined(_MSC_VER) && (_MSC_VER == 1915 || _MSC_VER == 1916)
920 /* This table access private members of other classes; they have this
921 * class as friend. For MSVC CL 19.15 and 19.16 this doesn't work for
922 * "inline static const", so we are forced to wrap the table in a
923 * function. CL 19.16 is the latest for VS2017. */
924 inline static const SaveLoad description[] = {{}};
925 SaveLoadTable GetDescription() const override {
926 #else
927 inline
928 #endif
929 static const SaveLoad description[] = {
930 SLE_REF(Vehicle, next, REF_VEHICLE_OLD),
931
932 SLE_VAR(Vehicle, subtype, SLE_UINT8),
933 SLE_CONDVAR(Vehicle, tile, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_6),
934 SLE_CONDVAR(Vehicle, tile, SLE_UINT32, SLV_6, SL_MAX_VERSION),
935 SLE_CONDVAR(Vehicle, dest_tile, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_6),
936 SLE_CONDVAR(Vehicle, dest_tile, SLE_UINT32, SLV_6, SL_MAX_VERSION),
937
938 SLE_CONDVAR(Vehicle, x_pos, SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_6),
939 SLE_CONDVAR(Vehicle, x_pos, SLE_INT32, SLV_6, SL_MAX_VERSION),
940 SLE_CONDVAR(Vehicle, y_pos, SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_6),
941 SLE_CONDVAR(Vehicle, y_pos, SLE_INT32, SLV_6, SL_MAX_VERSION),
942 SLE_CONDVAR(Vehicle, z_pos, SLE_FILE_U8 | SLE_VAR_I32, SL_MIN_VERSION, SLV_164),
943 SLE_CONDVAR(Vehicle, z_pos, SLE_INT32, SLV_164, SL_MAX_VERSION),
944 SLE_VAR(Vehicle, direction, SLE_UINT8),
945
946 SLE_VAR(Vehicle, owner, SLE_UINT8),
947 SLE_VAR(Vehicle, vehstatus, SLE_UINT8),
948 SLE_CONDVAR(Vehicle, current_order.dest, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_5),
949 SLE_CONDVAR(Vehicle, current_order.dest, SLE_UINT16, SLV_5, SL_MAX_VERSION),
950
951 SLE_VAR(Vehicle, sprite_cache.sprite_seq.seq[0].sprite, SLE_FILE_U16 | SLE_VAR_U32),
952 SLE_CONDVAR(Vehicle, age, SLE_FILE_U16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_31),
953 SLE_CONDVAR(Vehicle, age, SLE_INT32, SLV_31, SL_MAX_VERSION),
954 SLE_VAR(Vehicle, tick_counter, SLE_UINT8),
955
956 SLE_CONDVAR(DisasterVehicle, image_override, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_191),
957 SLE_CONDVAR(DisasterVehicle, image_override, SLE_UINT32, SLV_191, SL_MAX_VERSION),
958 SLE_CONDVAR(DisasterVehicle, big_ufo_destroyer_target, SLE_FILE_U16 | SLE_VAR_U32, SL_MIN_VERSION, SLV_191),
959 SLE_CONDVAR(DisasterVehicle, big_ufo_destroyer_target, SLE_UINT32, SLV_191, SL_MAX_VERSION),
960 SLE_CONDVAR(DisasterVehicle, flags, SLE_UINT8, SLV_194, SL_MAX_VERSION),
961 };
962 #if defined(_MSC_VER) && (_MSC_VER == 1915 || _MSC_VER == 1916)
963 return description;
964 }
965 #endif
966 inline const static SaveLoadCompatTable compat_description = _vehicle_disaster_sl_compat;
967
968 void Save(Vehicle *v) const override
969 {
970 if (v->type != VEH_DISASTER) return;
971 SlObject(v, this->GetDescription());
972 }
973
974 void Load(Vehicle *v) const override
975 {
976 if (v->type != VEH_DISASTER) return;
977 SlObject(v, this->GetLoadDescription());
978 }
979
980 void FixPointers(Vehicle *v) const override
981 {
982 if (v->type != VEH_DISASTER) return;
983 SlObject(v, this->GetDescription());
984 }
985 };
986
987 const static SaveLoad _vehicle_desc[] = {
988 SLE_SAVEBYTE(Vehicle, type),
989 SLEG_STRUCT("train", SlVehicleTrain),
990 SLEG_STRUCT("roadveh", SlVehicleRoadVeh),
991 SLEG_STRUCT("ship", SlVehicleShip),
992 SLEG_STRUCT("aircraft", SlVehicleAircraft),
993 SLEG_STRUCT("effect", SlVehicleEffect),
994 SLEG_STRUCT("disaster", SlVehicleDisaster),
995 };
996
997 struct VEHSChunkHandler : ChunkHandler {
998 VEHSChunkHandler() : ChunkHandler('VEHS', CH_SPARSE_TABLE) {}
999
1000 void Save() const override
1001 {
1002 SlTableHeader(_vehicle_desc);
1003
1004 /* Write the vehicles */
1005 for (Vehicle *v : Vehicle::Iterate()) {
1006 SlSetArrayIndex(v->index);
1007 SlObject(v, _vehicle_desc);
1008 }
1009 }
1010
1011 void Load() const override
1012 {
1013 const std::vector<SaveLoad> slt = SlCompatTableHeader(_vehicle_desc, _vehicle_sl_compat);
1014
1015 int index;
1016
1017 _cargo_count = 0;
1018
1019 while ((index = SlIterateArray()) != -1) {
1020 Vehicle *v;
1021 VehicleType vtype = (VehicleType)SlReadByte();
1022
1023 switch (vtype) {
1024 case VEH_TRAIN: v = new (index) Train(); break;
1025 case VEH_ROAD: v = new (index) RoadVehicle(); break;
1026 case VEH_SHIP: v = new (index) Ship(); break;
1027 case VEH_AIRCRAFT: v = new (index) Aircraft(); break;
1028 case VEH_EFFECT: v = new (index) EffectVehicle(); break;
1029 case VEH_DISASTER: v = new (index) DisasterVehicle(); break;
1030 case VEH_INVALID: // Savegame shouldn't contain invalid vehicles
1031 default: SlErrorCorrupt("Invalid vehicle type");
1032 }
1033
1034 SlObject(v, slt);
1035
1036 if (_cargo_count != 0 && IsCompanyBuildableVehicleType(v) && CargoPacket::CanAllocateItem()) {
1037 /* Don't construct the packet with station here, because that'll fail with old savegames */
1038 CargoPacket *cp = new CargoPacket(_cargo_count, _cargo_days, _cargo_source, _cargo_source_xy, _cargo_loaded_at_xy, _cargo_feeder_share);
1039 v->cargo.Append(cp);
1040 }
1041
1042 /* Old savegames used 'last_station_visited = 0xFF' */
1043 if (IsSavegameVersionBefore(SLV_5) && v->last_station_visited == 0xFF) {
1044 v->last_station_visited = INVALID_STATION;
1045 }
1046
1047 if (IsSavegameVersionBefore(SLV_182)) v->last_loading_station = INVALID_STATION;
1048
1049 if (IsSavegameVersionBefore(SLV_5)) {
1050 /* Convert the current_order.type (which is a mix of type and flags, because
1051 * in those versions, they both were 4 bits big) to type and flags */
1052 v->current_order.flags = GB(v->current_order.type, 4, 4);
1053 v->current_order.type &= 0x0F;
1054 }
1055
1056 /* Advanced vehicle lists got added */
1057 if (IsSavegameVersionBefore(SLV_60)) v->group_id = DEFAULT_GROUP;
1058 }
1059 }
1060
1061 void FixPointers() const override
1062 {
1063 for (Vehicle *v : Vehicle::Iterate()) {
1064 SlObject(v, _vehicle_desc);
1065 }
1066 }
1067 };
1068
1069 static const VEHSChunkHandler VEHS;
1070 static const ChunkHandlerRef veh_chunk_handlers[] = {
1071 VEHS,
1072 };
1073
1074 extern const ChunkHandlerTable _veh_chunk_handlers(veh_chunk_handlers);
OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe