OpenTTD: src/order_cmd.cpp Source File

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order_cmd.cpp
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1 /* $Id: order_cmd.cpp 26694 2014-07-16 22:24:55Z frosch $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
12 #include "stdafx.h"
13 #include "debug.h"
14 #include "cmd_helper.h"
15 #include "command_func.h"
16 #include "company_func.h"
17 #include "news_func.h"
18 #include "strings_func.h"
19 #include "timetable.h"
20 #include "vehicle_func.h"
21 #include "depot_base.h"
22 #include "core/pool_func.hpp"
23 #include "core/random_func.hpp"
24 #include "aircraft.h"
25 #include "roadveh.h"
26 #include "station_base.h"
27 #include "waypoint_base.h"
28 #include "company_base.h"
29 #include "order_backup.h"
30 #include "cheat_type.h"
31
32 #include "table/strings.h"
33
34 #include "safeguards.h"
35
36 /* DestinationID must be at least as large as every these below, because it can
37 * be any of them
38 */
39 assert_compile(sizeof(DestinationID) >= sizeof(DepotID));
40 assert_compile(sizeof(DestinationID) >= sizeof(StationID));
41
42 OrderPool _order_pool("Order");
43 INSTANTIATE_POOL_METHODS(Order)
44 OrderListPool _orderlist_pool("OrderList");
45 INSTANTIATE_POOL_METHODS(OrderList)
46
48 Order::~Order()
49 {
50 if (CleaningPool()) return;
51
52 /* We can visit oil rigs and buoys that are not our own. They will be shown in
53 * the list of stations. So, we need to invalidate that window if needed. */
54 if (this->IsType(OT_GOTO_STATION) || this->IsType(OT_GOTO_WAYPOINT)) {
55 BaseStation *bs = BaseStation::GetIfValid(this->GetDestination());
56 if (bs != NULL && bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
57 }
58 }
59
64 void Order::Free()
65 {
66 this->type = OT_NOTHING;
67 this->flags = 0;
68 this->dest = 0;
69 this->next = NULL;
70 }
71
76 void Order::MakeGoToStation(StationID destination)
77 {
78 this->type = OT_GOTO_STATION;
79 this->flags = 0;
80 this->dest = destination;
81 }
82
91 void Order::MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type, OrderDepotActionFlags action, CargoID cargo)
92 {
93 this->type = OT_GOTO_DEPOT;
94 this->SetDepotOrderType(order);
95 this->SetDepotActionType(action);
96 this->SetNonStopType(non_stop_type);
97 this->dest = destination;
98 this->SetRefit(cargo);
99 }
100
105 void Order::MakeGoToWaypoint(StationID destination)
106 {
107 this->type = OT_GOTO_WAYPOINT;
108 this->flags = 0;
109 this->dest = destination;
110 }
111
116 void Order::MakeLoading(bool ordered)
117 {
118 this->type = OT_LOADING;
119 if (!ordered) this->flags = 0;
120 }
121
125 void Order::MakeLeaveStation()
126 {
127 this->type = OT_LEAVESTATION;
128 this->flags = 0;
129 }
130
134 void Order::MakeDummy()
135 {
136 this->type = OT_DUMMY;
137 this->flags = 0;
138 }
139
144 void Order::MakeConditional(VehicleOrderID order)
145 {
146 this->type = OT_CONDITIONAL;
147 this->flags = order;
148 this->dest = 0;
149 }
150
155 void Order::MakeImplicit(StationID destination)
156 {
157 this->type = OT_IMPLICIT;
158 this->dest = destination;
159 }
160
166 void Order::SetRefit(CargoID cargo)
167 {
168 this->refit_cargo = cargo;
169 }
170
176 bool Order::Equals(const Order &other) const
177 {
178 /* In case of go to nearest depot orders we need "only" compare the flags
179 * with the other and not the nearest depot order bit or the actual
180 * destination because those get clear/filled in during the order
181 * evaluation. If we do not do this the order will continuously be seen as
182 * a different order and it will try to find a "nearest depot" every tick. */
183 if ((this->IsType(OT_GOTO_DEPOT) && this->type == other.type) &&
184 ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0 ||
185 (other.GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0)) {
186 return this->GetDepotOrderType() == other.GetDepotOrderType() &&
187 (this->GetDepotActionType() & ~ODATFB_NEAREST_DEPOT) == (other.GetDepotActionType() & ~ODATFB_NEAREST_DEPOT);
188 }
189
190 return this->type == other.type && this->flags == other.flags && this->dest == other.dest;
191 }
192
199 uint32 Order::Pack() const
200 {
201 return this->dest << 16 | this->flags << 8 | this->type;
202 }
203
209 uint16 Order::MapOldOrder() const
210 {
211 uint16 order = this->GetType();
212 switch (this->type) {
213 case OT_GOTO_STATION:
214 if (this->GetUnloadType() & OUFB_UNLOAD) SetBit(order, 5);
215 if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
216 if (this->GetNonStopType() & ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS) SetBit(order, 7);
217 order |= GB(this->GetDestination(), 0, 8) << 8;
218 break;
219 case OT_GOTO_DEPOT:
220 if (!(this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) SetBit(order, 6);
221 SetBit(order, 7);
222 order |= GB(this->GetDestination(), 0, 8) << 8;
223 break;
224 case OT_LOADING:
225 if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
226 break;
227 }
228 return order;
229 }
230
235 Order::Order(uint32 packed)
236 {
237 this->type = (OrderType)GB(packed, 0, 8);
238 this->flags = GB(packed, 8, 8);
239 this->dest = GB(packed, 16, 16);
240 this->next = NULL;
241 this->refit_cargo = CT_NO_REFIT;
242 this->wait_time = 0;
243 this->travel_time = 0;
244 this->max_speed = UINT16_MAX;
245 }
246
252 void InvalidateVehicleOrder(const Vehicle *v, int data)
253 {
254 SetWindowDirty(WC_VEHICLE_VIEW, v->index);
255
256 if (data != 0) {
257 /* Calls SetDirty() too */
258 InvalidateWindowData(WC_VEHICLE_ORDERS, v->index, data);
259 InvalidateWindowData(WC_VEHICLE_TIMETABLE, v->index, data);
260 return;
261 }
262
263 SetWindowDirty(WC_VEHICLE_ORDERS, v->index);
264 SetWindowDirty(WC_VEHICLE_TIMETABLE, v->index);
265 }
266
274 void Order::AssignOrder(const Order &other)
275 {
276 this->type = other.type;
277 this->flags = other.flags;
278 this->dest = other.dest;
279
280 this->refit_cargo = other.refit_cargo;
281
282 this->wait_time = other.wait_time;
283 this->travel_time = other.travel_time;
284 this->max_speed = other.max_speed;
285 }
286
292 void OrderList::Initialize(Order *chain, Vehicle *v)
293 {
294 this->first = chain;
295 this->first_shared = v;
296
297 this->num_orders = 0;
298 this->num_manual_orders = 0;
299 this->num_vehicles = 1;
300 this->timetable_duration = 0;
301 this->total_duration = 0;
302
303 for (Order *o = this->first; o != NULL; o = o->next) {
304 ++this->num_orders;
305 if (!o->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
306 this->timetable_duration += o->GetTimetabledWait() + o->GetTimetabledTravel();
307 this->total_duration += o->GetWaitTime() + o->GetTravelTime();
308 }
309
310 for (Vehicle *u = this->first_shared->PreviousShared(); u != NULL; u = u->PreviousShared()) {
311 ++this->num_vehicles;
312 this->first_shared = u;
313 }
314
315 for (const Vehicle *u = v->NextShared(); u != NULL; u = u->NextShared()) ++this->num_vehicles;
316 }
317
323 void OrderList::FreeChain(bool keep_orderlist)
324 {
325 Order *next;
326 for (Order *o = this->first; o != NULL; o = next) {
327 next = o->next;
328 delete o;
329 }
330
331 if (keep_orderlist) {
332 this->first = NULL;
333 this->num_orders = 0;
334 this->num_manual_orders = 0;
335 this->timetable_duration = 0;
336 } else {
337 delete this;
338 }
339 }
340
346 Order *OrderList::GetOrderAt(int index) const
347 {
348 if (index < 0) return NULL;
349
350 Order *order = this->first;
351
352 while (order != NULL && index-- > 0) {
353 order = order->next;
354 }
355 return order;
356 }
357
369 const Order *OrderList::GetNextDecisionNode(const Order *next, uint hops) const
370 {
371 if (hops > this->GetNumOrders() || next == NULL) return NULL;
372
373 if (next->IsType(OT_CONDITIONAL)) {
374 if (next->GetConditionVariable() != OCV_UNCONDITIONALLY) return next;
375
376 /* We can evaluate trivial conditions right away. They're conceptually
377 * the same as regular order progression. */
378 return this->GetNextDecisionNode(
379 this->GetOrderAt(next->GetConditionSkipToOrder()),
380 hops + 1);
381 }
382
383 if (next->IsType(OT_GOTO_DEPOT)) {
384 if (next->GetDepotActionType() == ODATFB_HALT) return NULL;
385 if (next->IsRefit()) return next;
386 }
387
388 if (!next->CanLoadOrUnload()) {
389 return this->GetNextDecisionNode(this->GetNext(next), hops + 1);
390 }
391
392 return next;
393 }
394
404 StationIDStack OrderList::GetNextStoppingStation(const Vehicle *v, const Order *first, uint hops) const
405 {
406
407 const Order *next = first;
408 if (first == NULL) {
409 next = this->GetOrderAt(v->cur_implicit_order_index);
410 if (next == NULL) {
411 next = this->GetFirstOrder();
412 if (next == NULL) return INVALID_STATION;
413 } else {
414 /* GetNext never returns NULL if there is a valid station in the list.
415 * As the given "next" is already valid and a station in the list, we
416 * don't have to check for NULL here. */
417 next = this->GetNext(next);
418 assert(next != NULL);
419 }
420 }
421
422 do {
423 next = this->GetNextDecisionNode(next, ++hops);
424
425 /* Resolve possibly nested conditionals by estimation. */
426 while (next != NULL && next->IsType(OT_CONDITIONAL)) {
427 /* We return both options of conditional orders. */
428 const Order *skip_to = this->GetNextDecisionNode(
429 this->GetOrderAt(next->GetConditionSkipToOrder()), hops);
430 const Order *advance = this->GetNextDecisionNode(
431 this->GetNext(next), hops);
432 if (advance == NULL || advance == first || skip_to == advance) {
433 next = (skip_to == first) ? NULL : skip_to;
434 } else if (skip_to == NULL || skip_to == first) {
435 next = (advance == first) ? NULL : advance;
436 } else {
437 StationIDStack st1 = this->GetNextStoppingStation(v, skip_to, hops);
438 StationIDStack st2 = this->GetNextStoppingStation(v, advance, hops);
439 while (!st2.IsEmpty()) st1.Push(st2.Pop());
440 return st1;
441 }
442 ++hops;
443 }
444
445 /* Don't return a next stop if the vehicle has to unload everything. */
446 if (next == NULL || ((next->IsType(OT_GOTO_STATION) || next->IsType(OT_IMPLICIT)) &&
447 next->GetDestination() == v->last_station_visited &&
448 (next->GetUnloadType() & (OUFB_TRANSFER | OUFB_UNLOAD)) != 0)) {
449 return INVALID_STATION;
450 }
451 } while (next->IsType(OT_GOTO_DEPOT) || next->GetDestination() == v->last_station_visited);
452
453 return next->GetDestination();
454 }
455
461 void OrderList::InsertOrderAt(Order *new_order, int index)
462 {
463 if (this->first == NULL) {
464 this->first = new_order;
465 } else {
466 if (index == 0) {
467 /* Insert as first or only order */
468 new_order->next = this->first;
469 this->first = new_order;
470 } else if (index >= this->num_orders) {
471 /* index is after the last order, add it to the end */
472 this->GetLastOrder()->next = new_order;
473 } else {
474 /* Put the new order in between */
475 Order *order = this->GetOrderAt(index - 1);
476 new_order->next = order->next;
477 order->next = new_order;
478 }
479 }
480 ++this->num_orders;
481 if (!new_order->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
482 this->timetable_duration += new_order->GetTimetabledWait() + new_order->GetTimetabledTravel();
483 this->total_duration += new_order->GetWaitTime() + new_order->GetTravelTime();
484
485 /* We can visit oil rigs and buoys that are not our own. They will be shown in
486 * the list of stations. So, we need to invalidate that window if needed. */
487 if (new_order->IsType(OT_GOTO_STATION) || new_order->IsType(OT_GOTO_WAYPOINT)) {
488 BaseStation *bs = BaseStation::Get(new_order->GetDestination());
489 if (bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
490 }
491
492 }
493
494
499 void OrderList::DeleteOrderAt(int index)
500 {
501 if (index >= this->num_orders) return;
502
503 Order *to_remove;
504
505 if (index == 0) {
506 to_remove = this->first;
507 this->first = to_remove->next;
508 } else {
509 Order *prev = GetOrderAt(index - 1);
510 to_remove = prev->next;
511 prev->next = to_remove->next;
512 }
513 --this->num_orders;
514 if (!to_remove->IsType(OT_IMPLICIT)) --this->num_manual_orders;
515 this->timetable_duration -= (to_remove->GetTimetabledWait() + to_remove->GetTimetabledTravel());
516 this->total_duration -= (to_remove->GetWaitTime() + to_remove->GetTravelTime());
517 delete to_remove;
518 }
519
525 void OrderList::MoveOrder(int from, int to)
526 {
527 if (from >= this->num_orders || to >= this->num_orders || from == to) return;
528
529 Order *moving_one;
530
531 /* Take the moving order out of the pointer-chain */
532 if (from == 0) {
533 moving_one = this->first;
534 this->first = moving_one->next;
535 } else {
536 Order *one_before = GetOrderAt(from - 1);
537 moving_one = one_before->next;
538 one_before->next = moving_one->next;
539 }
540
541 /* Insert the moving_order again in the pointer-chain */
542 if (to == 0) {
543 moving_one->next = this->first;
544 this->first = moving_one;
545 } else {
546 Order *one_before = GetOrderAt(to - 1);
547 moving_one->next = one_before->next;
548 one_before->next = moving_one;
549 }
550 }
551
557 void OrderList::RemoveVehicle(Vehicle *v)
558 {
559 --this->num_vehicles;
560 if (v == this->first_shared) this->first_shared = v->NextShared();
561 }
562
567 bool OrderList::IsVehicleInSharedOrdersList(const Vehicle *v) const
568 {
569 for (const Vehicle *v_shared = this->first_shared; v_shared != NULL; v_shared = v_shared->NextShared()) {
570 if (v_shared == v) return true;
571 }
572
573 return false;
574 }
575
581 int OrderList::GetPositionInSharedOrderList(const Vehicle *v) const
582 {
583 int count = 0;
584 for (const Vehicle *v_shared = v->PreviousShared(); v_shared != NULL; v_shared = v_shared->PreviousShared()) count++;
585 return count;
586 }
587
592 bool OrderList::IsCompleteTimetable() const
593 {
594 for (Order *o = this->first; o != NULL; o = o->next) {
595 /* Implicit orders are, by definition, not timetabled. */
596 if (o->IsType(OT_IMPLICIT)) continue;
597 if (!o->IsCompletelyTimetabled()) return false;
598 }
599 return true;
600 }
601
605 void OrderList::DebugCheckSanity() const
606 {
607 VehicleOrderID check_num_orders = 0;
608 VehicleOrderID check_num_manual_orders = 0;
609 uint check_num_vehicles = 0;
610 Ticks check_timetable_duration = 0;
611 Ticks check_total_duration = 0;
612
613 DEBUG(misc, 6, "Checking OrderList %hu for sanity...", this->index);
614
615 for (const Order *o = this->first; o != NULL; o = o->next) {
616 ++check_num_orders;
617 if (!o->IsType(OT_IMPLICIT)) ++check_num_manual_orders;
618 check_timetable_duration += o->GetTimetabledWait() + o->GetTimetabledTravel();
619 check_total_duration += o->GetWaitTime() + o->GetTravelTime();
620 }
621 assert(this->num_orders == check_num_orders);
622 assert(this->num_manual_orders == check_num_manual_orders);
623 assert(this->timetable_duration == check_timetable_duration);
624 assert(this->total_duration == check_total_duration);
625
626 for (const Vehicle *v = this->first_shared; v != NULL; v = v->NextShared()) {
627 ++check_num_vehicles;
628 assert(v->orders.list == this);
629 }
630 assert(this->num_vehicles == check_num_vehicles);
631 DEBUG(misc, 6, "... detected %u orders (%u manual), %u vehicles, %i timetabled, %i total",
632 (uint)this->num_orders, (uint)this->num_manual_orders,
633 this->num_vehicles, this->timetable_duration, this->total_duration);
634 }
635
643 static inline bool OrderGoesToStation(const Vehicle *v, const Order *o)
644 {
645 return o->IsType(OT_GOTO_STATION) ||
646 (v->type == VEH_AIRCRAFT && o->IsType(OT_GOTO_DEPOT) && !(o->GetDepotActionType() & ODATFB_NEAREST_DEPOT));
647 }
648
655 static void DeleteOrderWarnings(const Vehicle *v)
656 {
657 DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS);
658 DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_VOID_ORDER);
659 DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_DUPLICATE_ENTRY);
660 DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_INVALID_ENTRY);
661 DeleteVehicleNews(v->index, STR_NEWS_PLANE_USES_TOO_SHORT_RUNWAY);
662 }
663
670 TileIndex Order::GetLocation(const Vehicle *v, bool airport) const
671 {
672 switch (this->GetType()) {
673 case OT_GOTO_WAYPOINT:
674 case OT_GOTO_STATION:
675 case OT_IMPLICIT:
676 if (airport && v->type == VEH_AIRCRAFT) return Station::Get(this->GetDestination())->airport.tile;
677 return BaseStation::Get(this->GetDestination())->xy;
678
679 case OT_GOTO_DEPOT:
680 if ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) return INVALID_TILE;
681 return (v->type == VEH_AIRCRAFT) ? Station::Get(this->GetDestination())->xy : Depot::Get(this->GetDestination())->xy;
682
683 default:
684 return INVALID_TILE;
685 }
686 }
687
697 uint GetOrderDistance(const Order *prev, const Order *cur, const Vehicle *v, int conditional_depth)
698 {
699 if (cur->IsType(OT_CONDITIONAL)) {
700 if (conditional_depth > v->GetNumOrders()) return 0;
701
702 conditional_depth++;
703
704 int dist1 = GetOrderDistance(prev, v->GetOrder(cur->GetConditionSkipToOrder()), v, conditional_depth);
705 int dist2 = GetOrderDistance(prev, cur->next == NULL ? v->orders.list->GetFirstOrder() : cur->next, v, conditional_depth);
706 return max(dist1, dist2);
707 }
708
709 TileIndex prev_tile = prev->GetLocation(v, true);
710 TileIndex cur_tile = cur->GetLocation(v, true);
711 if (prev_tile == INVALID_TILE || cur_tile == INVALID_TILE) return 0;
712 return v->type == VEH_AIRCRAFT ? DistanceSquare(prev_tile, cur_tile) : DistanceManhattan(prev_tile, cur_tile);
713 }
714
728 CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
729 {
730 VehicleID veh = GB(p1, 0, 20);
731 VehicleOrderID sel_ord = GB(p1, 20, 8);
732 Order new_order(p2);
733
734 Vehicle *v = Vehicle::GetIfValid(veh);
735 if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
736
737 CommandCost ret = CheckOwnership(v->owner);
738 if (ret.Failed()) return ret;
739
740 /* Check if the inserted order is to the correct destination (owner, type),
741 * and has the correct flags if any */
742 switch (new_order.GetType()) {
743 case OT_GOTO_STATION: {
744 const Station *st = Station::GetIfValid(new_order.GetDestination());
745 if (st == NULL) return CMD_ERROR;
746
747 if (st->owner != OWNER_NONE) {
748 CommandCost ret = CheckOwnership(st->owner);
749 if (ret.Failed()) return ret;
750 }
751
752 if (!CanVehicleUseStation(v, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
753 for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
754 if (!CanVehicleUseStation(u, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER_SHARED);
755 }
756
757 /* Non stop only allowed for ground vehicles. */
758 if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
759
760 /* Filter invalid load/unload types. */
761 switch (new_order.GetLoadType()) {
762 case OLF_LOAD_IF_POSSIBLE: case OLFB_FULL_LOAD: case OLF_FULL_LOAD_ANY: case OLFB_NO_LOAD: break;
763 default: return CMD_ERROR;
764 }
765 switch (new_order.GetUnloadType()) {
766 case OUF_UNLOAD_IF_POSSIBLE: case OUFB_UNLOAD: case OUFB_TRANSFER: case OUFB_NO_UNLOAD: break;
767 default: return CMD_ERROR;
768 }
769
770 /* Filter invalid stop locations */
771 switch (new_order.GetStopLocation()) {
772 case OSL_PLATFORM_NEAR_END:
773 case OSL_PLATFORM_MIDDLE:
774 if (v->type != VEH_TRAIN) return CMD_ERROR;
775 /* FALL THROUGH */
776 case OSL_PLATFORM_FAR_END:
777 break;
778
779 default:
780 return CMD_ERROR;
781 }
782
783 break;
784 }
785
786 case OT_GOTO_DEPOT: {
787 if ((new_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) == 0) {
788 if (v->type == VEH_AIRCRAFT) {
789 const Station *st = Station::GetIfValid(new_order.GetDestination());
790
791 if (st == NULL) return CMD_ERROR;
792
793 CommandCost ret = CheckOwnership(st->owner);
794 if (ret.Failed()) return ret;
795
796 if (!CanVehicleUseStation(v, st) || !st->airport.HasHangar()) {
797 return CMD_ERROR;
798 }
799 } else {
800 const Depot *dp = Depot::GetIfValid(new_order.GetDestination());
801
802 if (dp == NULL) return CMD_ERROR;
803
804 CommandCost ret = CheckOwnership(GetTileOwner(dp->xy));
805 if (ret.Failed()) return ret;
806
807 switch (v->type) {
808 case VEH_TRAIN:
809 if (!IsRailDepotTile(dp->xy)) return CMD_ERROR;
810 break;
811
812 case VEH_ROAD:
813 if (!IsRoadDepotTile(dp->xy)) return CMD_ERROR;
814 break;
815
816 case VEH_SHIP:
817 if (!IsShipDepotTile(dp->xy)) return CMD_ERROR;
818 break;
819
820 default: return CMD_ERROR;
821 }
822 }
823 }
824
825 if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
826 if (new_order.GetDepotOrderType() & ~(ODTFB_PART_OF_ORDERS | ((new_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0 ? ODTFB_SERVICE : 0))) return CMD_ERROR;
827 if (new_order.GetDepotActionType() & ~(ODATFB_HALT | ODATFB_NEAREST_DEPOT)) return CMD_ERROR;
828 if ((new_order.GetDepotOrderType() & ODTFB_SERVICE) && (new_order.GetDepotActionType() & ODATFB_HALT)) return CMD_ERROR;
829 break;
830 }
831
832 case OT_GOTO_WAYPOINT: {
833 const Waypoint *wp = Waypoint::GetIfValid(new_order.GetDestination());
834 if (wp == NULL) return CMD_ERROR;
835
836 switch (v->type) {
837 default: return CMD_ERROR;
838
839 case VEH_TRAIN: {
840 if (!(wp->facilities & FACIL_TRAIN)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
841
842 CommandCost ret = CheckOwnership(wp->owner);
843 if (ret.Failed()) return ret;
844 break;
845 }
846
847 case VEH_SHIP:
848 if (!(wp->facilities & FACIL_DOCK)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
849 if (wp->owner != OWNER_NONE) {
850 CommandCost ret = CheckOwnership(wp->owner);
851 if (ret.Failed()) return ret;
852 }
853 break;
854 }
855
856 /* Order flags can be any of the following for waypoints:
857 * [non-stop]
858 * non-stop orders (if any) are only valid for trains */
859 if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && v->type != VEH_TRAIN) return CMD_ERROR;
860 break;
861 }
862
863 case OT_CONDITIONAL: {
864 VehicleOrderID skip_to = new_order.GetConditionSkipToOrder();
865 if (skip_to != 0 && skip_to >= v->GetNumOrders()) return CMD_ERROR; // Always allow jumping to the first (even when there is no order).
866 if (new_order.GetConditionVariable() >= OCV_END) return CMD_ERROR;
867
868 OrderConditionComparator occ = new_order.GetConditionComparator();
869 if (occ >= OCC_END) return CMD_ERROR;
870 switch (new_order.GetConditionVariable()) {
871 case OCV_REQUIRES_SERVICE:
872 if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) return CMD_ERROR;
873 break;
874
875 case OCV_UNCONDITIONALLY:
876 if (occ != OCC_EQUALS) return CMD_ERROR;
877 if (new_order.GetConditionValue() != 0) return CMD_ERROR;
878 break;
879
880 case OCV_LOAD_PERCENTAGE:
881 case OCV_RELIABILITY:
882 if (new_order.GetConditionValue() > 100) return CMD_ERROR;
883 /* FALL THROUGH */
884 default:
885 if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) return CMD_ERROR;
886 break;
887 }
888 break;
889 }
890
891 default: return CMD_ERROR;
892 }
893
894 if (sel_ord > v->GetNumOrders()) return CMD_ERROR;
895
896 if (v->GetNumOrders() >= MAX_VEH_ORDER_ID) return_cmd_error(STR_ERROR_TOO_MANY_ORDERS);
897 if (!Order::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
898 if (v->orders.list == NULL && !OrderList::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
899
900 if (v->type == VEH_SHIP && _settings_game.pf.pathfinder_for_ships != VPF_NPF) {
901 /* Make sure the new destination is not too far away from the previous */
902 const Order *prev = NULL;
903 uint n = 0;
904
905 /* Find the last goto station or depot order before the insert location.
906 * If the order is to be inserted at the beginning of the order list this
907 * finds the last order in the list. */
908 const Order *o;
909 FOR_VEHICLE_ORDERS(v, o) {
910 switch (o->GetType()) {
911 case OT_GOTO_STATION:
912 case OT_GOTO_DEPOT:
913 case OT_GOTO_WAYPOINT:
914 prev = o;
915 break;
916
917 default: break;
918 }
919 if (++n == sel_ord && prev != NULL) break;
920 }
921 if (prev != NULL) {
922 uint dist;
923 if (new_order.IsType(OT_CONDITIONAL)) {
924 /* The order is not yet inserted, so we have to do the first iteration here. */
925 dist = GetOrderDistance(prev, v->GetOrder(new_order.GetConditionSkipToOrder()), v);
926 } else {
927 dist = GetOrderDistance(prev, &new_order, v);
928 }
929
930 if (dist >= 130) {
931 return_cmd_error(STR_ERROR_TOO_FAR_FROM_PREVIOUS_DESTINATION);
932 }
933 }
934 }
935
936 if (flags & DC_EXEC) {
937 Order *new_o = new Order();
938 new_o->AssignOrder(new_order);
939 InsertOrder(v, new_o, sel_ord);
940 }
941
942 return CommandCost();
943 }
944
951 void InsertOrder(Vehicle *v, Order *new_o, VehicleOrderID sel_ord)
952 {
953 /* Create new order and link in list */
954 if (v->orders.list == NULL) {
955 v->orders.list = new OrderList(new_o, v);
956 } else {
957 v->orders.list->InsertOrderAt(new_o, sel_ord);
958 }
959
960 Vehicle *u = v->FirstShared();
961 DeleteOrderWarnings(u);
962 for (; u != NULL; u = u->NextShared()) {
963 assert(v->orders.list == u->orders.list);
964
965 /* If there is added an order before the current one, we need
966 * to update the selected order. We do not change implicit/real order indices though.
967 * If the new order is between the current implicit order and real order, the implicit order will
968 * later skip the inserted order. */
969 if (sel_ord <= u->cur_real_order_index) {
970 uint cur = u->cur_real_order_index + 1;
971 /* Check if we don't go out of bound */
972 if (cur < u->GetNumOrders()) {
973 u->cur_real_order_index = cur;
974 }
975 }
976 if (sel_ord == u->cur_implicit_order_index && u->IsGroundVehicle()) {
977 /* We are inserting an order just before the current implicit order.
978 * We do not know whether we will reach current implicit or the newly inserted order first.
979 * So, disable creation of implicit orders until we are on track again. */
980 uint16 &gv_flags = u->GetGroundVehicleFlags();
981 SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
982 }
983 if (sel_ord <= u->cur_implicit_order_index) {
984 uint cur = u->cur_implicit_order_index + 1;
985 /* Check if we don't go out of bound */
986 if (cur < u->GetNumOrders()) {
987 u->cur_implicit_order_index = cur;
988 }
989 }
990 /* Update any possible open window of the vehicle */
991 InvalidateVehicleOrder(u, INVALID_VEH_ORDER_ID | (sel_ord << 8));
992 }
993
994 /* As we insert an order, the order to skip to will be 'wrong'. */
995 VehicleOrderID cur_order_id = 0;
996 Order *order;
997 FOR_VEHICLE_ORDERS(v, order) {
998 if (order->IsType(OT_CONDITIONAL)) {
999 VehicleOrderID order_id = order->GetConditionSkipToOrder();
1000 if (order_id >= sel_ord) {
1001 order->SetConditionSkipToOrder(order_id + 1);
1002 }
1003 if (order_id == cur_order_id) {
1004 order->SetConditionSkipToOrder((order_id + 1) % v->GetNumOrders());
1005 }
1006 }
1007 cur_order_id++;
1008 }
1009
1010 /* Make sure to rebuild the whole list */
1011 InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
1012 }
1013
1019 static CommandCost DecloneOrder(Vehicle *dst, DoCommandFlag flags)
1020 {
1021 if (flags & DC_EXEC) {
1022 DeleteVehicleOrders(dst);
1023 InvalidateVehicleOrder(dst, VIWD_REMOVE_ALL_ORDERS);
1024 InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
1025 }
1026 return CommandCost();
1027 }
1028
1038 CommandCost CmdDeleteOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
1039 {
1040 VehicleID veh_id = GB(p1, 0, 20);
1041 VehicleOrderID sel_ord = GB(p2, 0, 8);
1042
1043 Vehicle *v = Vehicle::GetIfValid(veh_id);
1044
1045 if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
1046
1047 CommandCost ret = CheckOwnership(v->owner);
1048 if (ret.Failed()) return ret;
1049
1050 /* If we did not select an order, we maybe want to de-clone the orders */
1051 if (sel_ord >= v->GetNumOrders()) return DecloneOrder(v, flags);
1052
1053 if (v->GetOrder(sel_ord) == NULL) return CMD_ERROR;
1054
1055 if (flags & DC_EXEC) DeleteOrder(v, sel_ord);
1056 return CommandCost();
1057 }
1058
1063 static void CancelLoadingDueToDeletedOrder(Vehicle *v)
1064 {
1065 assert(v->current_order.IsType(OT_LOADING));
1066 /* NON-stop flag is misused to see if a train is in a station that is
1067 * on his order list or not */
1068 v->current_order.SetNonStopType(ONSF_STOP_EVERYWHERE);
1069 /* When full loading, "cancel" that order so the vehicle doesn't
1070 * stay indefinitely at this station anymore. */
1071 if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) v->current_order.SetLoadType(OLF_LOAD_IF_POSSIBLE);
1072 }
1073
1079 void DeleteOrder(Vehicle *v, VehicleOrderID sel_ord)
1080 {
1081 v->orders.list->DeleteOrderAt(sel_ord);
1082
1083 Vehicle *u = v->FirstShared();
1084 DeleteOrderWarnings(u);
1085 for (; u != NULL; u = u->NextShared()) {
1086 assert(v->orders.list == u->orders.list);
1087
1088 if (sel_ord == u->cur_real_order_index && u->current_order.IsType(OT_LOADING)) {
1089 CancelLoadingDueToDeletedOrder(u);
1090 }
1091
1092 if (sel_ord < u->cur_real_order_index) {
1093 u->cur_real_order_index--;
1094 } else if (sel_ord == u->cur_real_order_index) {
1095 u->UpdateRealOrderIndex();
1096 }
1097
1098 if (sel_ord < u->cur_implicit_order_index) {
1099 u->cur_implicit_order_index--;
1100 } else if (sel_ord == u->cur_implicit_order_index) {
1101 /* Make sure the index is valid */
1102 if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
1103
1104 /* Skip non-implicit orders for the implicit-order-index (e.g. if the current implicit order was deleted */
1105 while (u->cur_implicit_order_index != u->cur_real_order_index && !u->GetOrder(u->cur_implicit_order_index)->IsType(OT_IMPLICIT)) {
1106 u->cur_implicit_order_index++;
1107 if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
1108 }
1109 }
1110
1111 /* Update any possible open window of the vehicle */
1112 InvalidateVehicleOrder(u, sel_ord | (INVALID_VEH_ORDER_ID << 8));
1113 }
1114
1115 /* As we delete an order, the order to skip to will be 'wrong'. */
1116 VehicleOrderID cur_order_id = 0;
1117 Order *order = NULL;
1118 FOR_VEHICLE_ORDERS(v, order) {
1119 if (order->IsType(OT_CONDITIONAL)) {
1120 VehicleOrderID order_id = order->GetConditionSkipToOrder();
1121 if (order_id >= sel_ord) {
1122 order_id = max(order_id - 1, 0);
1123 }
1124 if (order_id == cur_order_id) {
1125 order_id = (order_id + 1) % v->GetNumOrders();
1126 }
1127 order->SetConditionSkipToOrder(order_id);
1128 }
1129 cur_order_id++;
1130 }
1131
1132 InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
1133 }
1134
1144 CommandCost CmdSkipToOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
1145 {
1146 VehicleID veh_id = GB(p1, 0, 20);
1147 VehicleOrderID sel_ord = GB(p2, 0, 8);
1148
1149 Vehicle *v = Vehicle::GetIfValid(veh_id);
1150
1151 if (v == NULL || !v->IsPrimaryVehicle() || sel_ord == v->cur_implicit_order_index || sel_ord >= v->GetNumOrders() || v->GetNumOrders() < 2) return CMD_ERROR;
1152
1153 CommandCost ret = CheckOwnership(v->owner);
1154 if (ret.Failed()) return ret;
1155
1156 if (flags & DC_EXEC) {
1157 if (v->current_order.IsType(OT_LOADING)) v->LeaveStation();
1158
1159 v->cur_implicit_order_index = v->cur_real_order_index = sel_ord;
1160 v->UpdateRealOrderIndex();
1161
1162 InvalidateVehicleOrder(v, VIWD_MODIFY_ORDERS);
1163 }
1164
1165 /* We have an aircraft/ship, they have a mini-schedule, so update them all */
1166 if (v->type == VEH_AIRCRAFT) SetWindowClassesDirty(WC_AIRCRAFT_LIST);
1167 if (v->type == VEH_SHIP) SetWindowClassesDirty(WC_SHIPS_LIST);
1168
1169 return CommandCost();
1170 }
1171
1185 CommandCost CmdMoveOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
1186 {
1187 VehicleID veh = GB(p1, 0, 20);
1188 VehicleOrderID moving_order = GB(p2, 0, 16);
1189 VehicleOrderID target_order = GB(p2, 16, 16);
1190
1191 Vehicle *v = Vehicle::GetIfValid(veh);
1192 if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
1193
1194 CommandCost ret = CheckOwnership(v->owner);
1195 if (ret.Failed()) return ret;
1196
1197 /* Don't make senseless movements */
1198 if (moving_order >= v->GetNumOrders() || target_order >= v->GetNumOrders() ||
1199 moving_order == target_order || v->GetNumOrders() <= 1) return CMD_ERROR;
1200
1201 Order *moving_one = v->GetOrder(moving_order);
1202 /* Don't move an empty order */
1203 if (moving_one == NULL) return CMD_ERROR;
1204
1205 if (flags & DC_EXEC) {
1206 v->orders.list->MoveOrder(moving_order, target_order);
1207
1208 /* Update shared list */
1209 Vehicle *u = v->FirstShared();
1210
1211 DeleteOrderWarnings(u);
1212
1213 for (; u != NULL; u = u->NextShared()) {
1214 /* Update the current order.
1215 * There are multiple ways to move orders, which result in cur_implicit_order_index
1216 * and cur_real_order_index to not longer make any sense. E.g. moving another
1217 * real order between them.
1218 *
1219 * Basically one could choose to preserve either of them, but not both.
1220 * While both ways are suitable in this or that case from a human point of view, neither
1221 * of them makes really sense.
1222 * However, from an AI point of view, preserving cur_real_order_index is the most
1223 * predictable and transparent behaviour.
1224 *
1225 * With that decision it basically does not matter what we do to cur_implicit_order_index.
1226 * If we change orders between the implicit- and real-index, the implicit orders are mostly likely
1227 * completely out-dated anyway. So, keep it simple and just keep cur_implicit_order_index as well.
1228 * The worst which can happen is that a lot of implicit orders are removed when reaching current_order.
1229 */
1230 if (u->cur_real_order_index == moving_order) {
1231 u->cur_real_order_index = target_order;
1232 } else if (u->cur_real_order_index > moving_order && u->cur_real_order_index <= target_order) {
1233 u->cur_real_order_index--;
1234 } else if (u->cur_real_order_index < moving_order && u->cur_real_order_index >= target_order) {
1235 u->cur_real_order_index++;
1236 }
1237
1238 if (u->cur_implicit_order_index == moving_order) {
1239 u->cur_implicit_order_index = target_order;
1240 } else if (u->cur_implicit_order_index > moving_order && u->cur_implicit_order_index <= target_order) {
1241 u->cur_implicit_order_index--;
1242 } else if (u->cur_implicit_order_index < moving_order && u->cur_implicit_order_index >= target_order) {
1243 u->cur_implicit_order_index++;
1244 }
1245
1246 assert(v->orders.list == u->orders.list);
1247 /* Update any possible open window of the vehicle */
1248 InvalidateVehicleOrder(u, moving_order | (target_order << 8));
1249 }
1250
1251 /* As we move an order, the order to skip to will be 'wrong'. */
1252 Order *order;
1253 FOR_VEHICLE_ORDERS(v, order) {
1254 if (order->IsType(OT_CONDITIONAL)) {
1255 VehicleOrderID order_id = order->GetConditionSkipToOrder();
1256 if (order_id == moving_order) {
1257 order_id = target_order;
1258 } else if (order_id > moving_order && order_id <= target_order) {
1259 order_id--;
1260 } else if (order_id < moving_order && order_id >= target_order) {
1261 order_id++;
1262 }
1263 order->SetConditionSkipToOrder(order_id);
1264 }
1265 }
1266
1267 /* Make sure to rebuild the whole list */
1268 InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
1269 }
1270
1271 return CommandCost();
1272 }
1273
1289 CommandCost CmdModifyOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
1290 {
1291 VehicleOrderID sel_ord = GB(p1, 20, 8);
1292 VehicleID veh = GB(p1, 0, 20);
1293 ModifyOrderFlags mof = Extract<ModifyOrderFlags, 0, 4>(p2);
1294 uint16 data = GB(p2, 4, 11);
1295
1296 if (mof >= MOF_END) return CMD_ERROR;
1297
1298 Vehicle *v = Vehicle::GetIfValid(veh);
1299 if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
1300
1301 CommandCost ret = CheckOwnership(v->owner);
1302 if (ret.Failed()) return ret;
1303
1304 /* Is it a valid order? */
1305 if (sel_ord >= v->GetNumOrders()) return CMD_ERROR;
1306
1307 Order *order = v->GetOrder(sel_ord);
1308 switch (order->GetType()) {
1309 case OT_GOTO_STATION:
1310 if (mof != MOF_NON_STOP && mof != MOF_STOP_LOCATION && mof != MOF_UNLOAD && mof != MOF_LOAD) return CMD_ERROR;
1311 break;
1312
1313 case OT_GOTO_DEPOT:
1314 if (mof != MOF_NON_STOP && mof != MOF_DEPOT_ACTION) return CMD_ERROR;
1315 break;
1316
1317 case OT_GOTO_WAYPOINT:
1318 if (mof != MOF_NON_STOP) return CMD_ERROR;
1319 break;
1320
1321 case OT_CONDITIONAL:
1322 if (mof != MOF_COND_VARIABLE && mof != MOF_COND_COMPARATOR && mof != MOF_COND_VALUE && mof != MOF_COND_DESTINATION) return CMD_ERROR;
1323 break;
1324
1325 default:
1326 return CMD_ERROR;
1327 }
1328
1329 switch (mof) {
1330 default: NOT_REACHED();
1331
1332 case MOF_NON_STOP:
1333 if (!v->IsGroundVehicle()) return CMD_ERROR;
1334 if (data >= ONSF_END) return CMD_ERROR;
1335 if (data == order->GetNonStopType()) return CMD_ERROR;
1336 break;
1337
1338 case MOF_STOP_LOCATION:
1339 if (v->type != VEH_TRAIN) return CMD_ERROR;
1340 if (data >= OSL_END) return CMD_ERROR;
1341 break;
1342
1343 case MOF_UNLOAD:
1344 if (order->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) return CMD_ERROR;
1345 if ((data & ~(OUFB_UNLOAD | OUFB_TRANSFER | OUFB_NO_UNLOAD)) != 0) return CMD_ERROR;
1346 /* Unload and no-unload are mutual exclusive and so are transfer and no unload. */
1347 if (data != 0 && ((data & (OUFB_UNLOAD | OUFB_TRANSFER)) != 0) == ((data & OUFB_NO_UNLOAD) != 0)) return CMD_ERROR;
1348 if (data == order->GetUnloadType()) return CMD_ERROR;
1349 break;
1350
1351 case MOF_LOAD:
1352 if (order->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) return CMD_ERROR;
1353 if (data > OLFB_NO_LOAD || data == 1) return CMD_ERROR;
1354 if (data == order->GetLoadType()) return CMD_ERROR;
1355 break;
1356
1357 case MOF_DEPOT_ACTION:
1358 if (data >= DA_END) return CMD_ERROR;
1359 break;
1360
1361 case MOF_COND_VARIABLE:
1362 if (data >= OCV_END) return CMD_ERROR;
1363 break;
1364
1365 case MOF_COND_COMPARATOR:
1366 if (data >= OCC_END) return CMD_ERROR;
1367 switch (order->GetConditionVariable()) {
1368 case OCV_UNCONDITIONALLY: return CMD_ERROR;
1369
1370 case OCV_REQUIRES_SERVICE:
1371 if (data != OCC_IS_TRUE && data != OCC_IS_FALSE) return CMD_ERROR;
1372 break;
1373
1374 default:
1375 if (data == OCC_IS_TRUE || data == OCC_IS_FALSE) return CMD_ERROR;
1376 break;
1377 }
1378 break;
1379
1380 case MOF_COND_VALUE:
1381 switch (order->GetConditionVariable()) {
1382 case OCV_UNCONDITIONALLY:
1383 case OCV_REQUIRES_SERVICE:
1384 return CMD_ERROR;
1385
1386 case OCV_LOAD_PERCENTAGE:
1387 case OCV_RELIABILITY:
1388 if (data > 100) return CMD_ERROR;
1389 break;
1390
1391 default:
1392 if (data > 2047) return CMD_ERROR;
1393 break;
1394 }
1395 break;
1396
1397 case MOF_COND_DESTINATION:
1398 if (data >= v->GetNumOrders()) return CMD_ERROR;
1399 break;
1400 }
1401
1402 if (flags & DC_EXEC) {
1403 switch (mof) {
1404 case MOF_NON_STOP:
1405 order->SetNonStopType((OrderNonStopFlags)data);
1406 if (data & ONSF_NO_STOP_AT_DESTINATION_STATION) {
1407 order->SetRefit(CT_NO_REFIT);
1408 order->SetLoadType(OLF_LOAD_IF_POSSIBLE);
1409 order->SetUnloadType(OUF_UNLOAD_IF_POSSIBLE);
1410 }
1411 break;
1412
1413 case MOF_STOP_LOCATION:
1414 order->SetStopLocation((OrderStopLocation)data);
1415 break;
1416
1417 case MOF_UNLOAD:
1418 order->SetUnloadType((OrderUnloadFlags)data);
1419 break;
1420
1421 case MOF_LOAD:
1422 order->SetLoadType((OrderLoadFlags)data);
1423 if (data & OLFB_NO_LOAD) order->SetRefit(CT_NO_REFIT);
1424 break;
1425
1426 case MOF_DEPOT_ACTION: {
1427 switch (data) {
1428 case DA_ALWAYS_GO:
1429 order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
1430 order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
1431 break;
1432
1433 case DA_SERVICE:
1434 order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() | ODTFB_SERVICE));
1435 order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
1436 order->SetRefit(CT_NO_REFIT);
1437 break;
1438
1439 case DA_STOP:
1440 order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
1441 order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() | ODATFB_HALT));
1442 order->SetRefit(CT_NO_REFIT);
1443 break;
1444
1445 default:
1446 NOT_REACHED();
1447 }
1448 break;
1449 }
1450
1451 case MOF_COND_VARIABLE: {
1452 order->SetConditionVariable((OrderConditionVariable)data);
1453
1454 OrderConditionComparator occ = order->GetConditionComparator();
1455 switch (order->GetConditionVariable()) {
1456 case OCV_UNCONDITIONALLY:
1457 order->SetConditionComparator(OCC_EQUALS);
1458 order->SetConditionValue(0);
1459 break;
1460
1461 case OCV_REQUIRES_SERVICE:
1462 if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) order->SetConditionComparator(OCC_IS_TRUE);
1463 order->SetConditionValue(0);
1464 break;
1465
1466 case OCV_LOAD_PERCENTAGE:
1467 case OCV_RELIABILITY:
1468 if (order->GetConditionValue() > 100) order->SetConditionValue(100);
1469 /* FALL THROUGH */
1470 default:
1471 if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) order->SetConditionComparator(OCC_EQUALS);
1472 break;
1473 }
1474 break;
1475 }
1476
1477 case MOF_COND_COMPARATOR:
1478 order->SetConditionComparator((OrderConditionComparator)data);
1479 break;
1480
1481 case MOF_COND_VALUE:
1482 order->SetConditionValue(data);
1483 break;
1484
1485 case MOF_COND_DESTINATION:
1486 order->SetConditionSkipToOrder(data);
1487 break;
1488
1489 default: NOT_REACHED();
1490 }
1491
1492 /* Update the windows and full load flags, also for vehicles that share the same order list */
1493 Vehicle *u = v->FirstShared();
1494 DeleteOrderWarnings(u);
1495 for (; u != NULL; u = u->NextShared()) {
1496 /* Toggle u->current_order "Full load" flag if it changed.
1497 * However, as the same flag is used for depot orders, check
1498 * whether we are not going to a depot as there are three
1499 * cases where the full load flag can be active and only
1500 * one case where the flag is used for depot orders. In the
1501 * other cases for the OrderTypeByte the flags are not used,
1502 * so do not care and those orders should not be active
1503 * when this function is called.
1504 */
1505 if (sel_ord == u->cur_real_order_index &&
1506 (u->current_order.IsType(OT_GOTO_STATION) || u->current_order.IsType(OT_LOADING)) &&
1507 u->current_order.GetLoadType() != order->GetLoadType()) {
1508 u->current_order.SetLoadType(order->GetLoadType());
1509 }
1510 InvalidateVehicleOrder(u, VIWD_MODIFY_ORDERS);
1511 }
1512 }
1513
1514 return CommandCost();
1515 }
1516
1524 static bool CheckAircraftOrderDistance(const Aircraft *v_new, const Vehicle *v_order, const Order *first)
1525 {
1526 if (first == NULL || v_new->acache.cached_max_range == 0) return true;
1527
1528 /* Iterate over all orders to check the distance between all
1529 * 'goto' orders and their respective next order (of any type). */
1530 for (const Order *o = first; o != NULL; o = o->next) {
1531 switch (o->GetType()) {
1532 case OT_GOTO_STATION:
1533 case OT_GOTO_DEPOT:
1534 case OT_GOTO_WAYPOINT:
1535 /* If we don't have a next order, we've reached the end and must check the first order instead. */
1536 if (GetOrderDistance(o, o->next != NULL ? o->next : first, v_order) > v_new->acache.cached_max_range_sqr) return false;
1537 break;
1538
1539 default: break;
1540 }
1541 }
1542
1543 return true;
1544 }
1545
1557 CommandCost CmdCloneOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
1558 {
1559 VehicleID veh_src = GB(p2, 0, 20);
1560 VehicleID veh_dst = GB(p1, 0, 20);
1561
1562 Vehicle *dst = Vehicle::GetIfValid(veh_dst);
1563 if (dst == NULL || !dst->IsPrimaryVehicle()) return CMD_ERROR;
1564
1565 CommandCost ret = CheckOwnership(dst->owner);
1566 if (ret.Failed()) return ret;
1567
1568 switch (GB(p1, 30, 2)) {
1569 case CO_SHARE: {
1570 Vehicle *src = Vehicle::GetIfValid(veh_src);
1571
1572 /* Sanity checks */
1573 if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
1574
1575 CommandCost ret = CheckOwnership(src->owner);
1576 if (ret.Failed()) return ret;
1577
1578 /* Trucks can't share orders with busses (and visa versa) */
1579 if (src->type == VEH_ROAD && RoadVehicle::From(src)->IsBus() != RoadVehicle::From(dst)->IsBus()) {
1580 return CMD_ERROR;
1581 }
1582
1583 /* Is the vehicle already in the shared list? */
1584 if (src->FirstShared() == dst->FirstShared()) return CMD_ERROR;
1585
1586 const Order *order;
1587
1588 FOR_VEHICLE_ORDERS(src, order) {
1589 if (!OrderGoesToStation(dst, order)) continue;
1590
1591 /* Allow copying unreachable destinations if they were already unreachable for the source.
1592 * This is basically to allow cloning / autorenewing / autoreplacing vehicles, while the stations
1593 * are temporarily invalid due to reconstruction. */
1594 const Station *st = Station::Get(order->GetDestination());
1595 if (CanVehicleUseStation(src, st) && !CanVehicleUseStation(dst, st)) {
1596 return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
1597 }
1598 }
1599
1600 /* Check for aircraft range limits. */
1601 if (dst->type == VEH_AIRCRAFT && !CheckAircraftOrderDistance(Aircraft::From(dst), src, src->GetFirstOrder())) {
1602 return_cmd_error(STR_ERROR_AIRCRAFT_NOT_ENOUGH_RANGE);
1603 }
1604
1605 if (src->orders.list == NULL && !OrderList::CanAllocateItem()) {
1606 return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
1607 }
1608
1609 if (flags & DC_EXEC) {
1610 /* If the destination vehicle had a OrderList, destroy it.
1611 * We only reset the order indices, if the new orders are obviously different.
1612 * (We mainly do this to keep the order indices valid and in range.) */
1613 DeleteVehicleOrders(dst, false, dst->GetNumOrders() != src->GetNumOrders());
1614
1615 dst->orders.list = src->orders.list;
1616
1617 /* Link this vehicle in the shared-list */
1618 dst->AddToShared(src);
1619
1620 InvalidateVehicleOrder(dst, VIWD_REMOVE_ALL_ORDERS);
1621 InvalidateVehicleOrder(src, VIWD_MODIFY_ORDERS);
1622
1623 InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
1624 }
1625 break;
1626 }
1627
1628 case CO_COPY: {
1629 Vehicle *src = Vehicle::GetIfValid(veh_src);
1630
1631 /* Sanity checks */
1632 if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
1633
1634 CommandCost ret = CheckOwnership(src->owner);
1635 if (ret.Failed()) return ret;
1636
1637 /* Trucks can't copy all the orders from busses (and visa versa),
1638 * and neither can helicopters and aircraft. */
1639 const Order *order;
1640 FOR_VEHICLE_ORDERS(src, order) {
1641 if (OrderGoesToStation(dst, order) &&
1642 !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) {
1643 return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
1644 }
1645 }
1646
1647 /* Check for aircraft range limits. */
1648 if (dst->type == VEH_AIRCRAFT && !CheckAircraftOrderDistance(Aircraft::From(dst), src, src->GetFirstOrder())) {
1649 return_cmd_error(STR_ERROR_AIRCRAFT_NOT_ENOUGH_RANGE);
1650 }
1651
1652 /* make sure there are orders available */
1653 if (!Order::CanAllocateItem(src->GetNumOrders()) || !OrderList::CanAllocateItem()) {
1654 return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
1655 }
1656
1657 if (flags & DC_EXEC) {
1658 const Order *order;
1659 Order *first = NULL;
1660 Order **order_dst;
1661
1662 /* If the destination vehicle had an order list, destroy the chain but keep the OrderList.
1663 * We only reset the order indices, if the new orders are obviously different.
1664 * (We mainly do this to keep the order indices valid and in range.) */
1665 DeleteVehicleOrders(dst, true, dst->GetNumOrders() != src->GetNumOrders());
1666
1667 order_dst = &first;
1668 FOR_VEHICLE_ORDERS(src, order) {
1669 *order_dst = new Order();
1670 (*order_dst)->AssignOrder(*order);
1671 order_dst = &(*order_dst)->next;
1672 }
1673 if (dst->orders.list == NULL) {
1674 dst->orders.list = new OrderList(first, dst);
1675 } else {
1676 assert(dst->orders.list->GetFirstOrder() == NULL);
1677 assert(!dst->orders.list->IsShared());
1678 delete dst->orders.list;
1679 assert(OrderList::CanAllocateItem());
1680 dst->orders.list = new OrderList(first, dst);
1681 }
1682
1683 InvalidateVehicleOrder(dst, VIWD_REMOVE_ALL_ORDERS);
1684
1685 InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
1686 }
1687 break;
1688 }
1689
1690 case CO_UNSHARE: return DecloneOrder(dst, flags);
1691 default: return CMD_ERROR;
1692 }
1693
1694 return CommandCost();
1695 }
1696
1708 CommandCost CmdOrderRefit(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
1709 {
1710 VehicleID veh = GB(p1, 0, 20);
1711 VehicleOrderID order_number = GB(p2, 16, 8);
1712 CargoID cargo = GB(p2, 0, 8);
1713
1714 if (cargo >= NUM_CARGO && cargo != CT_NO_REFIT && cargo != CT_AUTO_REFIT) return CMD_ERROR;
1715
1716 const Vehicle *v = Vehicle::GetIfValid(veh);
1717 if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
1718
1719 CommandCost ret = CheckOwnership(v->owner);
1720 if (ret.Failed()) return ret;
1721
1722 Order *order = v->GetOrder(order_number);
1723 if (order == NULL) return CMD_ERROR;
1724
1725 /* Automatic refit cargo is only supported for goto station orders. */
1726 if (cargo == CT_AUTO_REFIT && !order->IsType(OT_GOTO_STATION)) return CMD_ERROR;
1727
1728 if (order->GetLoadType() & OLFB_NO_LOAD) return CMD_ERROR;
1729
1730 if (flags & DC_EXEC) {
1731 order->SetRefit(cargo);
1732
1733 /* Make the depot order an 'always go' order. */
1734 if (cargo != CT_NO_REFIT && order->IsType(OT_GOTO_DEPOT)) {
1735 order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
1736 order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
1737 }
1738
1739 for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
1740 /* Update any possible open window of the vehicle */
1741 InvalidateVehicleOrder(u, VIWD_MODIFY_ORDERS);
1742
1743 /* If the vehicle already got the current depot set as current order, then update current order as well */
1744 if (u->cur_real_order_index == order_number && (u->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) {
1745 u->current_order.SetRefit(cargo);
1746 }
1747 }
1748 }
1749
1750 return CommandCost();
1751 }
1752
1753
1759 void CheckOrders(const Vehicle *v)
1760 {
1761 /* Does the user wants us to check things? */
1762 if (_settings_client.gui.order_review_system == 0) return;
1763
1764 /* Do nothing for crashed vehicles */
1765 if (v->vehstatus & VS_CRASHED) return;
1766
1767 /* Do nothing for stopped vehicles if setting is '1' */
1768 if (_settings_client.gui.order_review_system == 1 && (v->vehstatus & VS_STOPPED)) return;
1769
1770 /* do nothing we we're not the first vehicle in a share-chain */
1771 if (v->FirstShared() != v) return;
1772
1773 /* Only check every 20 days, so that we don't flood the message log */
1774 if (v->owner == _local_company && v->day_counter % 20 == 0) {
1775 const Order *order;
1776 StringID message = INVALID_STRING_ID;
1777
1778 /* Check the order list */
1779 int n_st = 0;
1780
1781 FOR_VEHICLE_ORDERS(v, order) {
1782 /* Dummy order? */
1783 if (order->IsType(OT_DUMMY)) {
1784 message = STR_NEWS_VEHICLE_HAS_VOID_ORDER;
1785 break;
1786 }
1787 /* Does station have a load-bay for this vehicle? */
1788 if (order->IsType(OT_GOTO_STATION)) {
1789 const Station *st = Station::Get(order->GetDestination());
1790
1791 n_st++;
1792 if (!CanVehicleUseStation(v, st)) {
1793 message = STR_NEWS_VEHICLE_HAS_INVALID_ENTRY;
1794 } else if (v->type == VEH_AIRCRAFT &&
1795 (AircraftVehInfo(v->engine_type)->subtype & AIR_FAST) &&
1796 (st->airport.GetFTA()->flags & AirportFTAClass::SHORT_STRIP) &&
1797 _settings_game.vehicle.plane_crashes != 0 &&
1798 !_cheats.no_jetcrash.value &&
1799 message == INVALID_STRING_ID) {
1800 message = STR_NEWS_PLANE_USES_TOO_SHORT_RUNWAY;
1801 }
1802 }
1803 }
1804
1805 /* Check if the last and the first order are the same */
1806 if (v->GetNumOrders() > 1) {
1807 const Order *last = v->GetLastOrder();
1808
1809 if (v->orders.list->GetFirstOrder()->Equals(*last)) {
1810 message = STR_NEWS_VEHICLE_HAS_DUPLICATE_ENTRY;
1811 }
1812 }
1813
1814 /* Do we only have 1 station in our order list? */
1815 if (n_st < 2 && message == INVALID_STRING_ID) message = STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS;
1816
1817 #ifndef NDEBUG
1818 if (v->orders.list != NULL) v->orders.list->DebugCheckSanity();
1819 #endif
1820
1821 /* We don't have a problem */
1822 if (message == INVALID_STRING_ID) return;
1823
1824 SetDParam(0, v->index);
1825 AddVehicleAdviceNewsItem(message, v->index);
1826 }
1827 }
1828
1834 void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination)
1835 {
1836 Vehicle *v;
1837
1838 /* Aircraft have StationIDs for depot orders and never use DepotIDs
1839 * This fact is handled specially below
1840 */
1841
1842 /* Go through all vehicles */
1843 FOR_ALL_VEHICLES(v) {
1844 Order *order;
1845
1846 order = &v->current_order;
1847 if ((v->type == VEH_AIRCRAFT && order->IsType(OT_GOTO_DEPOT) ? OT_GOTO_STATION : order->GetType()) == type &&
1848 v->current_order.GetDestination() == destination) {
1849 order->MakeDummy();
1850 SetWindowDirty(WC_VEHICLE_VIEW, v->index);
1851 }
1852
1853 /* Clear the order from the order-list */
1854 int id = -1;
1855 FOR_VEHICLE_ORDERS(v, order) {
1856 id++;
1857 restart:
1858
1859 OrderType ot = order->GetType();
1860 if (ot == OT_GOTO_DEPOT && (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) continue;
1861 if (ot == OT_IMPLICIT || (v->type == VEH_AIRCRAFT && ot == OT_GOTO_DEPOT)) ot = OT_GOTO_STATION;
1862 if (ot == type && order->GetDestination() == destination) {
1863 /* We want to clear implicit orders, but we don't want to make them
1864 * dummy orders. They should just vanish. Also check the actual order
1865 * type as ot is currently OT_GOTO_STATION. */
1866 if (order->IsType(OT_IMPLICIT)) {
1867 order = order->next; // DeleteOrder() invalidates current order
1868 DeleteOrder(v, id);
1869 if (order != NULL) goto restart;
1870 break;
1871 }
1872
1873 /* Clear wait time */
1874 v->orders.list->UpdateTotalDuration(-order->GetWaitTime());
1875 if (order->IsWaitTimetabled()) {
1876 v->orders.list->UpdateTimetableDuration(-order->GetTimetabledWait());
1877 order->SetWaitTimetabled(false);
1878 }
1879 order->SetWaitTime(0);
1880
1881 /* Clear order, preserving travel time */
1882 bool travel_timetabled = order->IsTravelTimetabled();
1883 order->MakeDummy();
1884 order->SetTravelTimetabled(travel_timetabled);
1885
1886 for (const Vehicle *w = v->FirstShared(); w != NULL; w = w->NextShared()) {
1887 /* In GUI, simulate by removing the order and adding it back */
1888 InvalidateVehicleOrder(w, id | (INVALID_VEH_ORDER_ID << 8));
1889 InvalidateVehicleOrder(w, (INVALID_VEH_ORDER_ID << 8) | id);
1890 }
1891 }
1892 }
1893 }
1894
1895 OrderBackup::RemoveOrder(type, destination);
1896 }
1897
1902 bool Vehicle::HasDepotOrder() const
1903 {
1904 const Order *order;
1905
1906 FOR_VEHICLE_ORDERS(this, order) {
1907 if (order->IsType(OT_GOTO_DEPOT)) return true;
1908 }
1909
1910 return false;
1911 }
1912
1922 void DeleteVehicleOrders(Vehicle *v, bool keep_orderlist, bool reset_order_indices)
1923 {
1924 DeleteOrderWarnings(v);
1925
1926 if (v->IsOrderListShared()) {
1927 /* Remove ourself from the shared order list. */
1928 v->RemoveFromShared();
1929 v->orders.list = NULL;
1930 } else if (v->orders.list != NULL) {
1931 /* Remove the orders */
1932 v->orders.list->FreeChain(keep_orderlist);
1933 if (!keep_orderlist) v->orders.list = NULL;
1934 }
1935
1936 if (reset_order_indices) {
1937 v->cur_implicit_order_index = v->cur_real_order_index = 0;
1938 if (v->current_order.IsType(OT_LOADING)) {
1939 CancelLoadingDueToDeletedOrder(v);
1940 }
1941 }
1942 }
1943
1951 uint16 GetServiceIntervalClamped(uint interval, bool ispercent)
1952 {
1953 return ispercent ? Clamp(interval, MIN_SERVINT_PERCENT, MAX_SERVINT_PERCENT) : Clamp(interval, MIN_SERVINT_DAYS, MAX_SERVINT_DAYS);
1954 }
1955
1964 static bool CheckForValidOrders(const Vehicle *v)
1965 {
1966 const Order *order;
1967
1968 FOR_VEHICLE_ORDERS(v, order) {
1969 switch (order->GetType()) {
1970 case OT_GOTO_STATION:
1971 case OT_GOTO_DEPOT:
1972 case OT_GOTO_WAYPOINT:
1973 return true;
1974
1975 default:
1976 break;
1977 }
1978 }
1979
1980 return false;
1981 }
1982
1986 static bool OrderConditionCompare(OrderConditionComparator occ, int variable, int value)
1987 {
1988 switch (occ) {
1989 case OCC_EQUALS: return variable == value;
1990 case OCC_NOT_EQUALS: return variable != value;
1991 case OCC_LESS_THAN: return variable < value;
1992 case OCC_LESS_EQUALS: return variable <= value;
1993 case OCC_MORE_THAN: return variable > value;
1994 case OCC_MORE_EQUALS: return variable >= value;
1995 case OCC_IS_TRUE: return variable != 0;
1996 case OCC_IS_FALSE: return variable == 0;
1997 default: NOT_REACHED();
1998 }
1999 }
2000
2007 VehicleOrderID ProcessConditionalOrder(const Order *order, const Vehicle *v)
2008 {
2009 if (order->GetType() != OT_CONDITIONAL) return INVALID_VEH_ORDER_ID;
2010
2011 bool skip_order = false;
2012 OrderConditionComparator occ = order->GetConditionComparator();
2013 uint16 value = order->GetConditionValue();
2014
2015 switch (order->GetConditionVariable()) {
2016 case OCV_LOAD_PERCENTAGE: skip_order = OrderConditionCompare(occ, CalcPercentVehicleFilled(v, NULL), value); break;
2017 case OCV_RELIABILITY: skip_order = OrderConditionCompare(occ, ToPercent16(v->reliability), value); break;
2018 case OCV_MAX_SPEED: skip_order = OrderConditionCompare(occ, v->GetDisplayMaxSpeed() * 10 / 16, value); break;
2019 case OCV_AGE: skip_order = OrderConditionCompare(occ, v->age / DAYS_IN_LEAP_YEAR, value); break;
2020 case OCV_REQUIRES_SERVICE: skip_order = OrderConditionCompare(occ, v->NeedsServicing(), value); break;
2021 case OCV_UNCONDITIONALLY: skip_order = true; break;
2022 case OCV_REMAINING_LIFETIME: skip_order = OrderConditionCompare(occ, max(v->max_age - v->age + DAYS_IN_LEAP_YEAR - 1, 0) / DAYS_IN_LEAP_YEAR, value); break;
2023 default: NOT_REACHED();
2024 }
2025
2026 return skip_order ? order->GetConditionSkipToOrder() : (VehicleOrderID)INVALID_VEH_ORDER_ID;
2027 }
2028
2036 bool UpdateOrderDest(Vehicle *v, const Order *order, int conditional_depth, bool pbs_look_ahead)
2037 {
2038 if (conditional_depth > v->GetNumOrders()) {
2039 v->current_order.Free();
2040 v->dest_tile = 0;
2041 return false;
2042 }
2043
2044 switch (order->GetType()) {
2045 case OT_GOTO_STATION:
2046 v->dest_tile = v->GetOrderStationLocation(order->GetDestination());
2047 return true;
2048
2049 case OT_GOTO_DEPOT:
2050 if ((order->GetDepotOrderType() & ODTFB_SERVICE) && !v->NeedsServicing()) {
2051 assert(!pbs_look_ahead);
2052 UpdateVehicleTimetable(v, true);
2053 v->IncrementRealOrderIndex();
2054 break;
2055 }
2056
2057 if (v->current_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) {
2058 /* We need to search for the nearest depot (hangar). */
2059 TileIndex location;
2060 DestinationID destination;
2061 bool reverse;
2062
2063 if (v->FindClosestDepot(&location, &destination, &reverse)) {
2064 /* PBS reservations cannot reverse */
2065 if (pbs_look_ahead && reverse) return false;
2066
2067 v->dest_tile = location;
2068 v->current_order.MakeGoToDepot(destination, v->current_order.GetDepotOrderType(), v->current_order.GetNonStopType(), (OrderDepotActionFlags)(v->current_order.GetDepotActionType() & ~ODATFB_NEAREST_DEPOT), v->current_order.GetRefitCargo());
2069
2070 /* If there is no depot in front, reverse automatically (trains only) */
2071 if (v->type == VEH_TRAIN && reverse) DoCommand(v->tile, v->index, 0, DC_EXEC, CMD_REVERSE_TRAIN_DIRECTION);
2072
2073 if (v->type == VEH_AIRCRAFT) {
2074 Aircraft *a = Aircraft::From(v);
2075 if (a->state == FLYING && a->targetairport != destination) {
2076 /* The aircraft is now heading for a different hangar than the next in the orders */
2077 extern void AircraftNextAirportPos_and_Order(Aircraft *a);
2078 AircraftNextAirportPos_and_Order(a);
2079 }
2080 }
2081 return true;
2082 }
2083
2084 /* If there is no depot, we cannot help PBS either. */
2085 if (pbs_look_ahead) return false;
2086
2087 UpdateVehicleTimetable(v, true);
2088 v->IncrementRealOrderIndex();
2089 } else {
2090 if (v->type != VEH_AIRCRAFT) {
2091 v->dest_tile = Depot::Get(order->GetDestination())->xy;
2092 }
2093 return true;
2094 }
2095 break;
2096
2097 case OT_GOTO_WAYPOINT:
2098 v->dest_tile = Waypoint::Get(order->GetDestination())->xy;
2099 return true;
2100
2101 case OT_CONDITIONAL: {
2102 assert(!pbs_look_ahead);
2103 VehicleOrderID next_order = ProcessConditionalOrder(order, v);
2104 if (next_order != INVALID_VEH_ORDER_ID) {
2105 /* Jump to next_order. cur_implicit_order_index becomes exactly that order,
2106 * cur_real_order_index might come after next_order. */
2107 UpdateVehicleTimetable(v, false);
2108 v->cur_implicit_order_index = v->cur_real_order_index = next_order;
2109 v->UpdateRealOrderIndex();
2110 v->current_order_time += v->GetOrder(v->cur_real_order_index)->GetTimetabledTravel();
2111
2112 /* Disable creation of implicit orders.
2113 * When inserting them we do not know that we would have to make the conditional orders point to them. */
2114 if (v->IsGroundVehicle()) {
2115 uint16 &gv_flags = v->GetGroundVehicleFlags();
2116 SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
2117 }
2118 } else {
2119 UpdateVehicleTimetable(v, true);
2120 v->IncrementRealOrderIndex();
2121 }
2122 break;
2123 }
2124
2125 default:
2126 v->dest_tile = 0;
2127 return false;
2128 }
2129
2130 assert(v->cur_implicit_order_index < v->GetNumOrders());
2131 assert(v->cur_real_order_index < v->GetNumOrders());
2132
2133 /* Get the current order */
2134 order = v->GetOrder(v->cur_real_order_index);
2135 if (order != NULL && order->IsType(OT_IMPLICIT)) {
2136 assert(v->GetNumManualOrders() == 0);
2137 order = NULL;
2138 }
2139
2140 if (order == NULL) {
2141 v->current_order.Free();
2142 v->dest_tile = 0;
2143 return false;
2144 }
2145
2146 v->current_order = *order;
2147 return UpdateOrderDest(v, order, conditional_depth + 1, pbs_look_ahead);
2148 }
2149
2157 bool ProcessOrders(Vehicle *v)
2158 {
2159 switch (v->current_order.GetType()) {
2160 case OT_GOTO_DEPOT:
2161 /* Let a depot order in the orderlist interrupt. */
2162 if (!(v->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) return false;
2163 break;
2164
2165 case OT_LOADING:
2166 return false;
2167
2168 case OT_LEAVESTATION:
2169 if (v->type != VEH_AIRCRAFT) return false;
2170 break;
2171
2172 default: break;
2173 }
2174
2182 bool may_reverse = v->current_order.IsType(OT_NOTHING);
2183
2184 /* Check if we've reached a 'via' destination. */
2185 if (((v->current_order.IsType(OT_GOTO_STATION) && (v->current_order.GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION)) || v->current_order.IsType(OT_GOTO_WAYPOINT)) &&
2186 IsTileType(v->tile, MP_STATION) &&
2187 v->current_order.GetDestination() == GetStationIndex(v->tile)) {
2188 v->DeleteUnreachedImplicitOrders();
2189 /* We set the last visited station here because we do not want
2190 * the train to stop at this 'via' station if the next order
2191 * is a no-non-stop order; in that case not setting the last
2192 * visited station will cause the vehicle to still stop. */
2193 v->last_station_visited = v->current_order.GetDestination();
2194 UpdateVehicleTimetable(v, true);
2195 v->IncrementImplicitOrderIndex();
2196 }
2197
2198 /* Get the current order */
2199 assert(v->cur_implicit_order_index == 0 || v->cur_implicit_order_index < v->GetNumOrders());
2200 v->UpdateRealOrderIndex();
2201
2202 const Order *order = v->GetOrder(v->cur_real_order_index);
2203 if (order != NULL && order->IsType(OT_IMPLICIT)) {
2204 assert(v->GetNumManualOrders() == 0);
2205 order = NULL;
2206 }
2207
2208 /* If no order, do nothing. */
2209 if (order == NULL || (v->type == VEH_AIRCRAFT && !CheckForValidOrders(v))) {
2210 if (v->type == VEH_AIRCRAFT) {
2211 /* Aircraft do something vastly different here, so handle separately */
2212 extern void HandleMissingAircraftOrders(Aircraft *v);
2213 HandleMissingAircraftOrders(Aircraft::From(v));
2214 return false;
2215 }
2216
2217 v->current_order.Free();
2218 v->dest_tile = 0;
2219 return false;
2220 }
2221
2222 /* If it is unchanged, keep it. */
2223 if (order->Equals(v->current_order) && (v->type == VEH_AIRCRAFT || v->dest_tile != 0) &&
2224 (v->type != VEH_SHIP || !order->IsType(OT_GOTO_STATION) || Station::Get(order->GetDestination())->dock_tile != INVALID_TILE)) {
2225 return false;
2226 }
2227
2228 /* Otherwise set it, and determine the destination tile. */
2229 v->current_order = *order;
2230
2231 InvalidateVehicleOrder(v, VIWD_MODIFY_ORDERS);
2232 switch (v->type) {
2233 default:
2234 NOT_REACHED();
2235
2236 case VEH_ROAD:
2237 case VEH_TRAIN:
2238 break;
2239
2240 case VEH_AIRCRAFT:
2241 case VEH_SHIP:
2242 SetWindowClassesDirty(GetWindowClassForVehicleType(v->type));
2243 break;
2244 }
2245
2246 return UpdateOrderDest(v, order) && may_reverse;
2247 }
2248
2256 bool Order::ShouldStopAtStation(const Vehicle *v, StationID station) const
2257 {
2258 bool is_dest_station = this->IsType(OT_GOTO_STATION) && this->dest == station;
2259
2260 return (!this->IsType(OT_GOTO_DEPOT) || (this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0) &&
2261 v->last_station_visited != station && // Do stop only when we've not just been there
2262 /* Finally do stop when there is no non-stop flag set for this type of station. */
2263 !(this->GetNonStopType() & (is_dest_station ? ONSF_NO_STOP_AT_DESTINATION_STATION : ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS));
2264 }
2265
2266 bool Order::CanLoadOrUnload() const
2267 {
2268 return (this->IsType(OT_GOTO_STATION) || this->IsType(OT_IMPLICIT)) &&
2269 (this->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) == 0 &&
2270 ((this->GetLoadType() & OLFB_NO_LOAD) == 0 ||
2271 (this->GetUnloadType() & OUFB_NO_UNLOAD) == 0);
2272 }
2273
2280 bool Order::CanLeaveWithCargo(bool has_cargo) const
2281 {
2282 return (this->GetLoadType() & OLFB_NO_LOAD) == 0 || (has_cargo &&
2283 (this->GetUnloadType() & (OUFB_UNLOAD | OUFB_TRANSFER)) == 0);
2284 }