order_cmd.cpp

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00001 /* $Id: order_cmd.cpp 23257 2011-11-18 21:15:09Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "debug.h"
00014 #include "cmd_helper.h"
00015 #include "command_func.h"
00016 #include "company_func.h"
00017 #include "news_func.h"
00018 #include "vehicle_gui.h"
00019 #include "strings_func.h"
00020 #include "window_func.h"
00021 #include "timetable.h"
00022 #include "vehicle_func.h"
00023 #include "depot_base.h"
00024 #include "core/pool_func.hpp"
00025 #include "aircraft.h"
00026 #include "roadveh.h"
00027 #include "station_base.h"
00028 #include "waypoint_base.h"
00029 #include "company_base.h"
00030 
00031 #include "table/strings.h"
00032 
00033 /* DestinationID must be at least as large as every these below, because it can
00034  * be any of them
00035  */
00036 assert_compile(sizeof(DestinationID) >= sizeof(DepotID));
00037 assert_compile(sizeof(DestinationID) >= sizeof(StationID));
00038 
00039 OrderPool _order_pool("Order");
00040 INSTANTIATE_POOL_METHODS(Order)
00041 OrderListPool _orderlist_pool("OrderList");
00042 INSTANTIATE_POOL_METHODS(OrderList)
00043 
00045 Order::~Order()
00046 {
00047   if (CleaningPool()) return;
00048 
00049   /* We can visit oil rigs and buoys that are not our own. They will be shown in
00050    * the list of stations. So, we need to invalidate that window if needed. */
00051   if (this->IsType(OT_GOTO_STATION) || this->IsType(OT_GOTO_WAYPOINT)) {
00052     BaseStation *bs = BaseStation::GetIfValid(this->GetDestination());
00053     if (bs != NULL && bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
00054   }
00055 }
00056 
00061 void Order::Free()
00062 {
00063   this->type  = OT_NOTHING;
00064   this->flags = 0;
00065   this->dest  = 0;
00066   this->next  = NULL;
00067 }
00068 
00073 void Order::MakeGoToStation(StationID destination)
00074 {
00075   this->type = OT_GOTO_STATION;
00076   this->flags = 0;
00077   this->dest = destination;
00078 }
00079 
00089 void Order::MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type, OrderDepotActionFlags action, CargoID cargo, byte subtype)
00090 {
00091   this->type = OT_GOTO_DEPOT;
00092   this->SetDepotOrderType(order);
00093   this->SetDepotActionType(action);
00094   this->SetNonStopType(non_stop_type);
00095   this->dest = destination;
00096   this->SetRefit(cargo, subtype);
00097 }
00098 
00103 void Order::MakeGoToWaypoint(StationID destination)
00104 {
00105   this->type = OT_GOTO_WAYPOINT;
00106   this->flags = 0;
00107   this->dest = destination;
00108 }
00109 
00114 void Order::MakeLoading(bool ordered)
00115 {
00116   this->type = OT_LOADING;
00117   if (!ordered) this->flags = 0;
00118 }
00119 
00123 void Order::MakeLeaveStation()
00124 {
00125   this->type = OT_LEAVESTATION;
00126   this->flags = 0;
00127 }
00128 
00132 void Order::MakeDummy()
00133 {
00134   this->type = OT_DUMMY;
00135   this->flags = 0;
00136 }
00137 
00142 void Order::MakeConditional(VehicleOrderID order)
00143 {
00144   this->type = OT_CONDITIONAL;
00145   this->flags = order;
00146   this->dest = 0;
00147 }
00148 
00153 void Order::MakeImplicit(StationID destination)
00154 {
00155   this->type = OT_IMPLICIT;
00156   this->dest = destination;
00157 }
00158 
00165 void Order::SetRefit(CargoID cargo, byte subtype)
00166 {
00167   this->refit_cargo = cargo;
00168   this->refit_subtype = subtype;
00169 }
00170 
00176 bool Order::Equals(const Order &other) const
00177 {
00178   /* In case of go to nearest depot orders we need "only" compare the flags
00179    * with the other and not the nearest depot order bit or the actual
00180    * destination because those get clear/filled in during the order
00181    * evaluation. If we do not do this the order will continuously be seen as
00182    * a different order and it will try to find a "nearest depot" every tick. */
00183   if ((this->IsType(OT_GOTO_DEPOT) && this->type == other.type) &&
00184       ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0 ||
00185        (other.GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0)) {
00186     return this->GetDepotOrderType() == other.GetDepotOrderType() &&
00187         (this->GetDepotActionType() & ~ODATFB_NEAREST_DEPOT) == (other.GetDepotActionType() & ~ODATFB_NEAREST_DEPOT);
00188   }
00189 
00190   return this->type == other.type && this->flags == other.flags && this->dest == other.dest;
00191 }
00192 
00199 uint32 Order::Pack() const
00200 {
00201   return this->dest << 16 | this->flags << 8 | this->type;
00202 }
00203 
00209 uint16 Order::MapOldOrder() const
00210 {
00211   uint16 order = this->GetType();
00212   switch (this->type) {
00213     case OT_GOTO_STATION:
00214       if (this->GetUnloadType() & OUFB_UNLOAD) SetBit(order, 5);
00215       if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
00216       if (this->GetNonStopType() & ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS) SetBit(order, 7);
00217       order |= GB(this->GetDestination(), 0, 8) << 8;
00218       break;
00219     case OT_GOTO_DEPOT:
00220       if (!(this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) SetBit(order, 6);
00221       SetBit(order, 7);
00222       order |= GB(this->GetDestination(), 0, 8) << 8;
00223       break;
00224     case OT_LOADING:
00225       if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
00226       break;
00227   }
00228   return order;
00229 }
00230 
00235 Order::Order(uint32 packed)
00236 {
00237   this->type    = (OrderType)GB(packed,  0,  8);
00238   this->flags   = GB(packed,  8,  8);
00239   this->dest    = GB(packed, 16, 16);
00240   this->next    = NULL;
00241   this->refit_cargo   = CT_NO_REFIT;
00242   this->refit_subtype = 0;
00243   this->wait_time     = 0;
00244   this->travel_time   = 0;
00245 }
00246 
00252 void InvalidateVehicleOrder(const Vehicle *v, int data)
00253 {
00254   SetWindowDirty(WC_VEHICLE_VIEW, v->index);
00255 
00256   if (data != 0) {
00257     /* Calls SetDirty() too */
00258     InvalidateWindowData(WC_VEHICLE_ORDERS,    v->index, data);
00259     InvalidateWindowData(WC_VEHICLE_TIMETABLE, v->index, data);
00260     return;
00261   }
00262 
00263   SetWindowDirty(WC_VEHICLE_ORDERS,    v->index);
00264   SetWindowDirty(WC_VEHICLE_TIMETABLE, v->index);
00265 }
00266 
00274 void Order::AssignOrder(const Order &other)
00275 {
00276   this->type  = other.type;
00277   this->flags = other.flags;
00278   this->dest  = other.dest;
00279 
00280   this->refit_cargo   = other.refit_cargo;
00281   this->refit_subtype = other.refit_subtype;
00282 
00283   this->wait_time   = other.wait_time;
00284   this->travel_time = other.travel_time;
00285 }
00286 
00292 void OrderList::Initialize(Order *chain, Vehicle *v)
00293 {
00294   this->first = chain;
00295   this->first_shared = v;
00296 
00297   this->num_orders = 0;
00298   this->num_manual_orders = 0;
00299   this->num_vehicles = 1;
00300   this->timetable_duration = 0;
00301 
00302   for (Order *o = this->first; o != NULL; o = o->next) {
00303     ++this->num_orders;
00304     if (!o->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
00305     this->timetable_duration += o->wait_time + o->travel_time;
00306   }
00307 
00308   for (Vehicle *u = this->first_shared->PreviousShared(); u != NULL; u = u->PreviousShared()) {
00309     ++this->num_vehicles;
00310     this->first_shared = u;
00311   }
00312 
00313   for (const Vehicle *u = v->NextShared(); u != NULL; u = u->NextShared()) ++this->num_vehicles;
00314 }
00315 
00321 void OrderList::FreeChain(bool keep_orderlist)
00322 {
00323   Order *next;
00324   for (Order *o = this->first; o != NULL; o = next) {
00325     next = o->next;
00326     delete o;
00327   }
00328 
00329   if (keep_orderlist) {
00330     this->first = NULL;
00331     this->num_orders = 0;
00332     this->num_manual_orders = 0;
00333     this->timetable_duration = 0;
00334   } else {
00335     delete this;
00336   }
00337 }
00338 
00344 Order *OrderList::GetOrderAt(int index) const
00345 {
00346   if (index < 0) return NULL;
00347 
00348   Order *order = this->first;
00349 
00350   while (order != NULL && index-- > 0) {
00351     order = order->next;
00352   }
00353   return order;
00354 }
00355 
00361 void OrderList::InsertOrderAt(Order *new_order, int index)
00362 {
00363   if (this->first == NULL) {
00364     this->first = new_order;
00365   } else {
00366     if (index == 0) {
00367       /* Insert as first or only order */
00368       new_order->next = this->first;
00369       this->first = new_order;
00370     } else if (index >= this->num_orders) {
00371       /* index is after the last order, add it to the end */
00372       this->GetLastOrder()->next = new_order;
00373     } else {
00374       /* Put the new order in between */
00375       Order *order = this->GetOrderAt(index - 1);
00376       new_order->next = order->next;
00377       order->next = new_order;
00378     }
00379   }
00380   ++this->num_orders;
00381   if (!new_order->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
00382   this->timetable_duration += new_order->wait_time + new_order->travel_time;
00383 
00384   /* We can visit oil rigs and buoys that are not our own. They will be shown in
00385    * the list of stations. So, we need to invalidate that window if needed. */
00386   if (new_order->IsType(OT_GOTO_STATION) || new_order->IsType(OT_GOTO_WAYPOINT)) {
00387     BaseStation *bs = BaseStation::Get(new_order->GetDestination());
00388     if (bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
00389   }
00390 
00391 }
00392 
00393 
00398 void OrderList::DeleteOrderAt(int index)
00399 {
00400   if (index >= this->num_orders) return;
00401 
00402   Order *to_remove;
00403 
00404   if (index == 0) {
00405     to_remove = this->first;
00406     this->first = to_remove->next;
00407   } else {
00408     Order *prev = GetOrderAt(index - 1);
00409     to_remove = prev->next;
00410     prev->next = to_remove->next;
00411   }
00412   --this->num_orders;
00413   if (!to_remove->IsType(OT_IMPLICIT)) --this->num_manual_orders;
00414   this->timetable_duration -= (to_remove->wait_time + to_remove->travel_time);
00415   delete to_remove;
00416 }
00417 
00423 void OrderList::MoveOrder(int from, int to)
00424 {
00425   if (from >= this->num_orders || to >= this->num_orders || from == to) return;
00426 
00427   Order *moving_one;
00428 
00429   /* Take the moving order out of the pointer-chain */
00430   if (from == 0) {
00431     moving_one = this->first;
00432     this->first = moving_one->next;
00433   } else {
00434     Order *one_before = GetOrderAt(from - 1);
00435     moving_one = one_before->next;
00436     one_before->next = moving_one->next;
00437   }
00438 
00439   /* Insert the moving_order again in the pointer-chain */
00440   if (to == 0) {
00441     moving_one->next = this->first;
00442     this->first = moving_one;
00443   } else {
00444     Order *one_before = GetOrderAt(to - 1);
00445     moving_one->next = one_before->next;
00446     one_before->next = moving_one;
00447   }
00448 }
00449 
00455 void OrderList::RemoveVehicle(Vehicle *v)
00456 {
00457   --this->num_vehicles;
00458   if (v == this->first_shared) this->first_shared = v->NextShared();
00459 }
00460 
00465 bool OrderList::IsVehicleInSharedOrdersList(const Vehicle *v) const
00466 {
00467   for (const Vehicle *v_shared = this->first_shared; v_shared != NULL; v_shared = v_shared->NextShared()) {
00468     if (v_shared == v) return true;
00469   }
00470 
00471   return false;
00472 }
00473 
00479 int OrderList::GetPositionInSharedOrderList(const Vehicle *v) const
00480 {
00481   int count = 0;
00482   for (const Vehicle *v_shared = v->PreviousShared(); v_shared != NULL; v_shared = v_shared->PreviousShared()) count++;
00483   return count;
00484 }
00485 
00490 bool OrderList::IsCompleteTimetable() const
00491 {
00492   for (Order *o = this->first; o != NULL; o = o->next) {
00493     /* Implicit orders are, by definition, not timetabled. */
00494     if (o->IsType(OT_IMPLICIT)) continue;
00495     if (!o->IsCompletelyTimetabled()) return false;
00496   }
00497   return true;
00498 }
00499 
00503 void OrderList::DebugCheckSanity() const
00504 {
00505   VehicleOrderID check_num_orders = 0;
00506   VehicleOrderID check_num_manual_orders = 0;
00507   uint check_num_vehicles = 0;
00508   Ticks check_timetable_duration = 0;
00509 
00510   DEBUG(misc, 6, "Checking OrderList %hu for sanity...", this->index);
00511 
00512   for (const Order *o = this->first; o != NULL; o = o->next) {
00513     ++check_num_orders;
00514     if (!o->IsType(OT_IMPLICIT)) ++check_num_manual_orders;
00515     check_timetable_duration += o->wait_time + o->travel_time;
00516   }
00517   assert(this->num_orders == check_num_orders);
00518   assert(this->num_manual_orders == check_num_manual_orders);
00519   assert(this->timetable_duration == check_timetable_duration);
00520 
00521   for (const Vehicle *v = this->first_shared; v != NULL; v = v->NextShared()) {
00522     ++check_num_vehicles;
00523     assert(v->orders.list == this);
00524   }
00525   assert(this->num_vehicles == check_num_vehicles);
00526   DEBUG(misc, 6, "... detected %u orders (%u manual), %u vehicles, %i ticks",
00527       (uint)this->num_orders, (uint)this->num_manual_orders,
00528       this->num_vehicles, this->timetable_duration);
00529 }
00530 
00538 static inline bool OrderGoesToStation(const Vehicle *v, const Order *o)
00539 {
00540   return o->IsType(OT_GOTO_STATION) ||
00541       (v->type == VEH_AIRCRAFT && o->IsType(OT_GOTO_DEPOT) && !(o->GetDepotActionType() & ODATFB_NEAREST_DEPOT));
00542 }
00543 
00550 static void DeleteOrderWarnings(const Vehicle *v)
00551 {
00552   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS);
00553   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_VOID_ORDER);
00554   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_DUPLICATE_ENTRY);
00555   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_INVALID_ENTRY);
00556 }
00557 
00563 TileIndex Order::GetLocation(const Vehicle *v) const
00564 {
00565   switch (this->GetType()) {
00566     case OT_GOTO_WAYPOINT:
00567     case OT_GOTO_STATION:
00568     case OT_IMPLICIT:
00569       return BaseStation::Get(this->GetDestination())->xy;
00570 
00571     case OT_GOTO_DEPOT:
00572       if ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) return INVALID_TILE;
00573       return (v->type == VEH_AIRCRAFT) ? Station::Get(this->GetDestination())->xy : Depot::Get(this->GetDestination())->xy;
00574 
00575     default:
00576       return INVALID_TILE;
00577   }
00578 }
00579 
00580 static uint GetOrderDistance(const Order *prev, const Order *cur, const Vehicle *v, int conditional_depth = 0)
00581 {
00582   assert(v->type == VEH_SHIP);
00583 
00584   if (cur->IsType(OT_CONDITIONAL)) {
00585     if (conditional_depth > v->GetNumOrders()) return 0;
00586 
00587     conditional_depth++;
00588 
00589     int dist1 = GetOrderDistance(prev, v->GetOrder(cur->GetConditionSkipToOrder()), v, conditional_depth);
00590     int dist2 = GetOrderDistance(prev, cur->next == NULL ? v->orders.list->GetFirstOrder() : cur->next, v, conditional_depth);
00591     return max(dist1, dist2);
00592   }
00593 
00594   TileIndex prev_tile = prev->GetLocation(v);
00595   TileIndex cur_tile = cur->GetLocation(v);
00596   if (prev_tile == INVALID_TILE || cur_tile == INVALID_TILE) return 0;
00597   return DistanceManhattan(prev_tile, cur_tile);
00598 }
00599 
00613 CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00614 {
00615   VehicleID veh          = GB(p1,  0, 20);
00616   VehicleOrderID sel_ord = GB(p1, 20, 8);
00617   Order new_order(p2);
00618 
00619   Vehicle *v = Vehicle::GetIfValid(veh);
00620   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
00621 
00622   CommandCost ret = CheckOwnership(v->owner);
00623   if (ret.Failed()) return ret;
00624 
00625   /* Check if the inserted order is to the correct destination (owner, type),
00626    * and has the correct flags if any */
00627   switch (new_order.GetType()) {
00628     case OT_GOTO_STATION: {
00629       const Station *st = Station::GetIfValid(new_order.GetDestination());
00630       if (st == NULL) return CMD_ERROR;
00631 
00632       if (st->owner != OWNER_NONE) {
00633         CommandCost ret = CheckOwnership(st->owner);
00634         if (ret.Failed()) return ret;
00635       }
00636 
00637       if (!CanVehicleUseStation(v, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
00638       for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
00639         if (!CanVehicleUseStation(u, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER_SHARED);
00640       }
00641 
00642       /* Non stop only allowed for ground vehicles. */
00643       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
00644 
00645       /* Filter invalid load/unload types. */
00646       switch (new_order.GetLoadType()) {
00647         case OLF_LOAD_IF_POSSIBLE: case OLFB_FULL_LOAD: case OLF_FULL_LOAD_ANY: case OLFB_NO_LOAD: break;
00648         default: return CMD_ERROR;
00649       }
00650       switch (new_order.GetUnloadType()) {
00651         case OUF_UNLOAD_IF_POSSIBLE: case OUFB_UNLOAD: case OUFB_TRANSFER: case OUFB_NO_UNLOAD: break;
00652         default: return CMD_ERROR;
00653       }
00654 
00655       /* Filter invalid stop locations */
00656       switch (new_order.GetStopLocation()) {
00657         case OSL_PLATFORM_NEAR_END:
00658         case OSL_PLATFORM_MIDDLE:
00659           if (v->type != VEH_TRAIN) return CMD_ERROR;
00660           /* FALL THROUGH */
00661         case OSL_PLATFORM_FAR_END:
00662           break;
00663 
00664         default:
00665           return CMD_ERROR;
00666       }
00667 
00668       break;
00669     }
00670 
00671     case OT_GOTO_DEPOT: {
00672       if ((new_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) == 0) {
00673         if (v->type == VEH_AIRCRAFT) {
00674           const Station *st = Station::GetIfValid(new_order.GetDestination());
00675 
00676           if (st == NULL) return CMD_ERROR;
00677 
00678           CommandCost ret = CheckOwnership(st->owner);
00679           if (ret.Failed()) return ret;
00680 
00681           if (!CanVehicleUseStation(v, st) || !st->airport.HasHangar()) {
00682             return CMD_ERROR;
00683           }
00684         } else {
00685           const Depot *dp = Depot::GetIfValid(new_order.GetDestination());
00686 
00687           if (dp == NULL) return CMD_ERROR;
00688 
00689           CommandCost ret = CheckOwnership(GetTileOwner(dp->xy));
00690           if (ret.Failed()) return ret;
00691 
00692           switch (v->type) {
00693             case VEH_TRAIN:
00694               if (!IsRailDepotTile(dp->xy)) return CMD_ERROR;
00695               break;
00696 
00697             case VEH_ROAD:
00698               if (!IsRoadDepotTile(dp->xy)) return CMD_ERROR;
00699               break;
00700 
00701             case VEH_SHIP:
00702               if (!IsShipDepotTile(dp->xy)) return CMD_ERROR;
00703               break;
00704 
00705             default: return CMD_ERROR;
00706           }
00707         }
00708       }
00709 
00710       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
00711       if (new_order.GetDepotOrderType() & ~(ODTFB_PART_OF_ORDERS | ((new_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0 ? ODTFB_SERVICE : 0))) return CMD_ERROR;
00712       if (new_order.GetDepotActionType() & ~(ODATFB_HALT | ODATFB_NEAREST_DEPOT)) return CMD_ERROR;
00713       if ((new_order.GetDepotOrderType() & ODTFB_SERVICE) && (new_order.GetDepotActionType() & ODATFB_HALT)) return CMD_ERROR;
00714       break;
00715     }
00716 
00717     case OT_GOTO_WAYPOINT: {
00718       const Waypoint *wp = Waypoint::GetIfValid(new_order.GetDestination());
00719       if (wp == NULL) return CMD_ERROR;
00720 
00721       switch (v->type) {
00722         default: return CMD_ERROR;
00723 
00724         case VEH_TRAIN: {
00725           if (!(wp->facilities & FACIL_TRAIN)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
00726 
00727           CommandCost ret = CheckOwnership(wp->owner);
00728           if (ret.Failed()) return ret;
00729           break;
00730         }
00731 
00732         case VEH_SHIP:
00733           if (!(wp->facilities & FACIL_DOCK)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
00734           if (wp->owner != OWNER_NONE) {
00735             CommandCost ret = CheckOwnership(wp->owner);
00736             if (ret.Failed()) return ret;
00737           }
00738           break;
00739       }
00740 
00741       /* Order flags can be any of the following for waypoints:
00742        * [non-stop]
00743        * non-stop orders (if any) are only valid for trains */
00744       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && v->type != VEH_TRAIN) return CMD_ERROR;
00745       break;
00746     }
00747 
00748     case OT_CONDITIONAL: {
00749       VehicleOrderID skip_to = new_order.GetConditionSkipToOrder();
00750       if (skip_to != 0 && skip_to >= v->GetNumOrders()) return CMD_ERROR; // Always allow jumping to the first (even when there is no order).
00751       if (new_order.GetConditionVariable() >= OCV_END) return CMD_ERROR;
00752 
00753       OrderConditionComparator occ = new_order.GetConditionComparator();
00754       if (occ >= OCC_END) return CMD_ERROR;
00755       switch (new_order.GetConditionVariable()) {
00756         case OCV_REQUIRES_SERVICE:
00757           if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) return CMD_ERROR;
00758           break;
00759 
00760         case OCV_UNCONDITIONALLY:
00761           if (occ != OCC_EQUALS) return CMD_ERROR;
00762           if (new_order.GetConditionValue() != 0) return CMD_ERROR;
00763           break;
00764 
00765         case OCV_LOAD_PERCENTAGE:
00766         case OCV_RELIABILITY:
00767           if (new_order.GetConditionValue() > 100) return CMD_ERROR;
00768           /* FALL THROUGH */
00769         default:
00770           if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) return CMD_ERROR;
00771           break;
00772       }
00773       break;
00774     }
00775 
00776     default: return CMD_ERROR;
00777   }
00778 
00779   if (sel_ord > v->GetNumOrders()) return CMD_ERROR;
00780 
00781   if (v->GetNumOrders() >= MAX_VEH_ORDER_ID) return_cmd_error(STR_ERROR_TOO_MANY_ORDERS);
00782   if (!Order::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
00783   if (v->orders.list == NULL && !OrderList::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
00784 
00785   if (v->type == VEH_SHIP && _settings_game.pf.pathfinder_for_ships != VPF_NPF) {
00786     /* Make sure the new destination is not too far away from the previous */
00787     const Order *prev = NULL;
00788     uint n = 0;
00789 
00790     /* Find the last goto station or depot order before the insert location.
00791      * If the order is to be inserted at the beginning of the order list this
00792      * finds the last order in the list. */
00793     const Order *o;
00794     FOR_VEHICLE_ORDERS(v, o) {
00795       switch (o->GetType()) {
00796         case OT_GOTO_STATION:
00797         case OT_GOTO_DEPOT:
00798         case OT_GOTO_WAYPOINT:
00799           prev = o;
00800           break;
00801 
00802         default: break;
00803       }
00804       if (++n == sel_ord && prev != NULL) break;
00805     }
00806     if (prev != NULL) {
00807       uint dist = GetOrderDistance(prev, &new_order, v);
00808       if (dist >= 130) {
00809         return_cmd_error(STR_ERROR_TOO_FAR_FROM_PREVIOUS_DESTINATION);
00810       }
00811     }
00812   }
00813 
00814   if (flags & DC_EXEC) {
00815     Order *new_o = new Order();
00816     new_o->AssignOrder(new_order);
00817     InsertOrder(v, new_o, sel_ord);
00818   }
00819 
00820   return CommandCost();
00821 }
00822 
00829 void InsertOrder(Vehicle *v, Order *new_o, VehicleOrderID sel_ord)
00830 {
00831   /* Create new order and link in list */
00832   if (v->orders.list == NULL) {
00833     v->orders.list = new OrderList(new_o, v);
00834   } else {
00835     v->orders.list->InsertOrderAt(new_o, sel_ord);
00836   }
00837 
00838   Vehicle *u = v->FirstShared();
00839   DeleteOrderWarnings(u);
00840   for (; u != NULL; u = u->NextShared()) {
00841     assert(v->orders.list == u->orders.list);
00842 
00843     /* If there is added an order before the current one, we need
00844      * to update the selected order. We do not change implicit/real order indices though.
00845      * If the new order is between the current implicit order and real order, the implicit order will
00846      * later skip the inserted order. */
00847     if (sel_ord <= u->cur_real_order_index) {
00848       uint cur = u->cur_real_order_index + 1;
00849       /* Check if we don't go out of bound */
00850       if (cur < u->GetNumOrders()) {
00851         u->cur_real_order_index = cur;
00852       }
00853     }
00854     if (sel_ord == u->cur_implicit_order_index && u->IsGroundVehicle()) {
00855       /* We are inserting an order just before the current implicit order.
00856        * We do not know whether we will reach current implicit or the newly inserted order first.
00857        * So, disable creation of implicit orders until we are on track again. */
00858       uint16 &gv_flags = u->GetGroundVehicleFlags();
00859       SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
00860     }
00861     if (sel_ord <= u->cur_implicit_order_index) {
00862       uint cur = u->cur_implicit_order_index + 1;
00863       /* Check if we don't go out of bound */
00864       if (cur < u->GetNumOrders()) {
00865         u->cur_implicit_order_index = cur;
00866       }
00867     }
00868     /* Update any possible open window of the vehicle */
00869     InvalidateVehicleOrder(u, INVALID_VEH_ORDER_ID | (sel_ord << 8));
00870   }
00871 
00872   /* As we insert an order, the order to skip to will be 'wrong'. */
00873   VehicleOrderID cur_order_id = 0;
00874   Order *order;
00875   FOR_VEHICLE_ORDERS(v, order) {
00876     if (order->IsType(OT_CONDITIONAL)) {
00877       VehicleOrderID order_id = order->GetConditionSkipToOrder();
00878       if (order_id >= sel_ord) {
00879         order->SetConditionSkipToOrder(order_id + 1);
00880       }
00881       if (order_id == cur_order_id) {
00882         order->SetConditionSkipToOrder((order_id + 1) % v->GetNumOrders());
00883       }
00884     }
00885     cur_order_id++;
00886   }
00887 
00888   /* Make sure to rebuild the whole list */
00889   InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
00890 }
00891 
00897 static CommandCost DecloneOrder(Vehicle *dst, DoCommandFlag flags)
00898 {
00899   if (flags & DC_EXEC) {
00900     DeleteVehicleOrders(dst);
00901     InvalidateVehicleOrder(dst, -1);
00902     InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
00903   }
00904   return CommandCost();
00905 }
00906 
00916 CommandCost CmdDeleteOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00917 {
00918   VehicleID veh_id = GB(p1, 0, 20);
00919   VehicleOrderID sel_ord = GB(p2, 0, 8);
00920 
00921   Vehicle *v = Vehicle::GetIfValid(veh_id);
00922 
00923   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
00924 
00925   CommandCost ret = CheckOwnership(v->owner);
00926   if (ret.Failed()) return ret;
00927 
00928   /* If we did not select an order, we maybe want to de-clone the orders */
00929   if (sel_ord >= v->GetNumOrders()) return DecloneOrder(v, flags);
00930 
00931   if (v->GetOrder(sel_ord) == NULL) return CMD_ERROR;
00932 
00933   if (flags & DC_EXEC) DeleteOrder(v, sel_ord);
00934   return CommandCost();
00935 }
00936 
00941 static void CancelLoadingDueToDeletedOrder(Vehicle *v)
00942 {
00943   assert(v->current_order.IsType(OT_LOADING));
00944   /* NON-stop flag is misused to see if a train is in a station that is
00945    * on his order list or not */
00946   v->current_order.SetNonStopType(ONSF_STOP_EVERYWHERE);
00947   /* When full loading, "cancel" that order so the vehicle doesn't
00948    * stay indefinitely at this station anymore. */
00949   if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) v->current_order.SetLoadType(OLF_LOAD_IF_POSSIBLE);
00950 }
00951 
00957 void DeleteOrder(Vehicle *v, VehicleOrderID sel_ord)
00958 {
00959   v->orders.list->DeleteOrderAt(sel_ord);
00960 
00961   Vehicle *u = v->FirstShared();
00962   DeleteOrderWarnings(u);
00963   for (; u != NULL; u = u->NextShared()) {
00964     assert(v->orders.list == u->orders.list);
00965 
00966     if (sel_ord == u->cur_real_order_index && u->current_order.IsType(OT_LOADING)) {
00967       CancelLoadingDueToDeletedOrder(u);
00968     }
00969 
00970     if (sel_ord < u->cur_real_order_index) {
00971       u->cur_real_order_index--;
00972     } else if (sel_ord == u->cur_real_order_index) {
00973       u->UpdateRealOrderIndex();
00974     }
00975 
00976     if (sel_ord < u->cur_implicit_order_index) {
00977       u->cur_implicit_order_index--;
00978     } else if (sel_ord == u->cur_implicit_order_index) {
00979       /* Make sure the index is valid */
00980       if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
00981 
00982       /* Skip non-implicit orders for the implicit-order-index (e.g. if the current implicit order was deleted */
00983       while (u->cur_implicit_order_index != u->cur_real_order_index && !u->GetOrder(u->cur_implicit_order_index)->IsType(OT_IMPLICIT)) {
00984         u->cur_implicit_order_index++;
00985         if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
00986       }
00987     }
00988 
00989     /* Update any possible open window of the vehicle */
00990     InvalidateVehicleOrder(u, sel_ord | (INVALID_VEH_ORDER_ID << 8));
00991   }
00992 
00993   /* As we delete an order, the order to skip to will be 'wrong'. */
00994   VehicleOrderID cur_order_id = 0;
00995   Order *order = NULL;
00996   FOR_VEHICLE_ORDERS(v, order) {
00997     if (order->IsType(OT_CONDITIONAL)) {
00998       VehicleOrderID order_id = order->GetConditionSkipToOrder();
00999       if (order_id >= sel_ord) {
01000         order_id = max(order_id - 1, 0);
01001       }
01002       if (order_id == cur_order_id) {
01003         order_id = (order_id + 1) % v->GetNumOrders();
01004       }
01005       order->SetConditionSkipToOrder(order_id);
01006     }
01007     cur_order_id++;
01008   }
01009 
01010   InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
01011 }
01012 
01022 CommandCost CmdSkipToOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01023 {
01024   VehicleID veh_id = GB(p1, 0, 20);
01025   VehicleOrderID sel_ord = GB(p2, 0, 8);
01026 
01027   Vehicle *v = Vehicle::GetIfValid(veh_id);
01028 
01029   if (v == NULL || !v->IsPrimaryVehicle() || sel_ord == v->cur_implicit_order_index || sel_ord >= v->GetNumOrders() || v->GetNumOrders() < 2) return CMD_ERROR;
01030 
01031   CommandCost ret = CheckOwnership(v->owner);
01032   if (ret.Failed()) return ret;
01033 
01034   if (flags & DC_EXEC) {
01035     v->cur_implicit_order_index = v->cur_real_order_index = sel_ord;
01036     v->UpdateRealOrderIndex();
01037 
01038     if (v->current_order.IsType(OT_LOADING)) v->LeaveStation();
01039 
01040     InvalidateVehicleOrder(v, -2);
01041   }
01042 
01043   /* We have an aircraft/ship, they have a mini-schedule, so update them all */
01044   if (v->type == VEH_AIRCRAFT) SetWindowClassesDirty(WC_AIRCRAFT_LIST);
01045   if (v->type == VEH_SHIP) SetWindowClassesDirty(WC_SHIPS_LIST);
01046 
01047   return CommandCost();
01048 }
01049 
01063 CommandCost CmdMoveOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01064 {
01065   VehicleID veh = GB(p1, 0, 20);
01066   VehicleOrderID moving_order = GB(p2,  0, 16);
01067   VehicleOrderID target_order = GB(p2, 16, 16);
01068 
01069   Vehicle *v = Vehicle::GetIfValid(veh);
01070   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
01071 
01072   CommandCost ret = CheckOwnership(v->owner);
01073   if (ret.Failed()) return ret;
01074 
01075   /* Don't make senseless movements */
01076   if (moving_order >= v->GetNumOrders() || target_order >= v->GetNumOrders() ||
01077       moving_order == target_order || v->GetNumOrders() <= 1) return CMD_ERROR;
01078 
01079   Order *moving_one = v->GetOrder(moving_order);
01080   /* Don't move an empty order */
01081   if (moving_one == NULL) return CMD_ERROR;
01082 
01083   if (flags & DC_EXEC) {
01084     v->orders.list->MoveOrder(moving_order, target_order);
01085 
01086     /* Update shared list */
01087     Vehicle *u = v->FirstShared();
01088 
01089     DeleteOrderWarnings(u);
01090 
01091     for (; u != NULL; u = u->NextShared()) {
01092       /* Update the current order.
01093        * There are multiple ways to move orders, which result in cur_implicit_order_index
01094        * and cur_real_order_index to not longer make any sense. E.g. moving another
01095        * real order between them.
01096        *
01097        * Basically one could choose to preserve either of them, but not both.
01098        * While both ways are suitable in this or that case from a human point of view, neither
01099        * of them makes really sense.
01100        * However, from an AI point of view, preserving cur_real_order_index is the most
01101        * predictable and transparent behaviour.
01102        *
01103        * With that decision it basically does not matter what we do to cur_implicit_order_index.
01104        * If we change orders between the implict- and real-index, the implicit orders are mostly likely
01105        * completely out-dated anyway. So, keep it simple and just keep cur_implicit_order_index as well.
01106        * The worst which can happen is that a lot of implicit orders are removed when reaching current_order.
01107        */
01108       if (u->cur_real_order_index == moving_order) {
01109         u->cur_real_order_index = target_order;
01110       } else if (u->cur_real_order_index > moving_order && u->cur_real_order_index <= target_order) {
01111         u->cur_real_order_index--;
01112       } else if (u->cur_real_order_index < moving_order && u->cur_real_order_index >= target_order) {
01113         u->cur_real_order_index++;
01114       }
01115 
01116       if (u->cur_implicit_order_index == moving_order) {
01117         u->cur_implicit_order_index = target_order;
01118       } else if (u->cur_implicit_order_index > moving_order && u->cur_implicit_order_index <= target_order) {
01119         u->cur_implicit_order_index--;
01120       } else if (u->cur_implicit_order_index < moving_order && u->cur_implicit_order_index >= target_order) {
01121         u->cur_implicit_order_index++;
01122       }
01123 
01124       assert(v->orders.list == u->orders.list);
01125       /* Update any possible open window of the vehicle */
01126       InvalidateVehicleOrder(u, moving_order | (target_order << 8));
01127     }
01128 
01129     /* As we move an order, the order to skip to will be 'wrong'. */
01130     Order *order;
01131     FOR_VEHICLE_ORDERS(v, order) {
01132       if (order->IsType(OT_CONDITIONAL)) {
01133         VehicleOrderID order_id = order->GetConditionSkipToOrder();
01134         if (order_id == moving_order) {
01135           order_id = target_order;
01136         } else if (order_id > moving_order && order_id <= target_order) {
01137           order_id--;
01138         } else if (order_id < moving_order && order_id >= target_order) {
01139           order_id++;
01140         }
01141         order->SetConditionSkipToOrder(order_id);
01142       }
01143     }
01144 
01145     /* Make sure to rebuild the whole list */
01146     InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
01147   }
01148 
01149   return CommandCost();
01150 }
01151 
01167 CommandCost CmdModifyOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01168 {
01169   VehicleOrderID sel_ord = GB(p1, 20,  8);
01170   VehicleID veh          = GB(p1,  0, 20);
01171   ModifyOrderFlags mof   = Extract<ModifyOrderFlags, 0, 4>(p2);
01172   uint16 data            = GB(p2,  4, 11);
01173 
01174   if (mof >= MOF_END) return CMD_ERROR;
01175 
01176   Vehicle *v = Vehicle::GetIfValid(veh);
01177   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
01178 
01179   CommandCost ret = CheckOwnership(v->owner);
01180   if (ret.Failed()) return ret;
01181 
01182   /* Is it a valid order? */
01183   if (sel_ord >= v->GetNumOrders()) return CMD_ERROR;
01184 
01185   Order *order = v->GetOrder(sel_ord);
01186   switch (order->GetType()) {
01187     case OT_GOTO_STATION:
01188       if (mof == MOF_COND_VARIABLE || mof == MOF_COND_COMPARATOR || mof == MOF_DEPOT_ACTION || mof == MOF_COND_VALUE) return CMD_ERROR;
01189       break;
01190 
01191     case OT_GOTO_DEPOT:
01192       if (mof != MOF_NON_STOP && mof != MOF_DEPOT_ACTION) return CMD_ERROR;
01193       break;
01194 
01195     case OT_GOTO_WAYPOINT:
01196       if (mof != MOF_NON_STOP) return CMD_ERROR;
01197       break;
01198 
01199     case OT_CONDITIONAL:
01200       if (mof != MOF_COND_VARIABLE && mof != MOF_COND_COMPARATOR && mof != MOF_COND_VALUE && mof != MOF_COND_DESTINATION) return CMD_ERROR;
01201       break;
01202 
01203     default:
01204       return CMD_ERROR;
01205   }
01206 
01207   switch (mof) {
01208     default: NOT_REACHED();
01209 
01210     case MOF_NON_STOP:
01211       if (!v->IsGroundVehicle()) return CMD_ERROR;
01212       if (data >= ONSF_END) return CMD_ERROR;
01213       if (data == order->GetNonStopType()) return CMD_ERROR;
01214       break;
01215 
01216     case MOF_STOP_LOCATION:
01217       if (v->type != VEH_TRAIN) return CMD_ERROR;
01218       if (data >= OSL_END) return CMD_ERROR;
01219       break;
01220 
01221     case MOF_UNLOAD:
01222       if ((data & ~(OUFB_UNLOAD | OUFB_TRANSFER | OUFB_NO_UNLOAD)) != 0) return CMD_ERROR;
01223       /* Unload and no-unload are mutual exclusive and so are transfer and no unload. */
01224       if (data != 0 && ((data & (OUFB_UNLOAD | OUFB_TRANSFER)) != 0) == ((data & OUFB_NO_UNLOAD) != 0)) return CMD_ERROR;
01225       if (data == order->GetUnloadType()) return CMD_ERROR;
01226       break;
01227 
01228     case MOF_LOAD:
01229       if (data > OLFB_NO_LOAD || data == 1) return CMD_ERROR;
01230       if (data == order->GetLoadType()) return CMD_ERROR;
01231       break;
01232 
01233     case MOF_DEPOT_ACTION:
01234       if (data >= DA_END) return CMD_ERROR;
01235       break;
01236 
01237     case MOF_COND_VARIABLE:
01238       if (data >= OCV_END) return CMD_ERROR;
01239       break;
01240 
01241     case MOF_COND_COMPARATOR:
01242       if (data >= OCC_END) return CMD_ERROR;
01243       switch (order->GetConditionVariable()) {
01244         case OCV_UNCONDITIONALLY: return CMD_ERROR;
01245 
01246         case OCV_REQUIRES_SERVICE:
01247           if (data != OCC_IS_TRUE && data != OCC_IS_FALSE) return CMD_ERROR;
01248           break;
01249 
01250         default:
01251           if (data == OCC_IS_TRUE || data == OCC_IS_FALSE) return CMD_ERROR;
01252           break;
01253       }
01254       break;
01255 
01256     case MOF_COND_VALUE:
01257       switch (order->GetConditionVariable()) {
01258         case OCV_UNCONDITIONALLY: return CMD_ERROR;
01259 
01260         case OCV_LOAD_PERCENTAGE:
01261         case OCV_RELIABILITY:
01262           if (data > 100) return CMD_ERROR;
01263           break;
01264 
01265         default:
01266           if (data > 2047) return CMD_ERROR;
01267           break;
01268       }
01269       break;
01270 
01271     case MOF_COND_DESTINATION:
01272       if (data >= v->GetNumOrders()) return CMD_ERROR;
01273       break;
01274   }
01275 
01276   if (flags & DC_EXEC) {
01277     switch (mof) {
01278       case MOF_NON_STOP:
01279         order->SetNonStopType((OrderNonStopFlags)data);
01280         break;
01281 
01282       case MOF_STOP_LOCATION:
01283         order->SetStopLocation((OrderStopLocation)data);
01284         break;
01285 
01286       case MOF_UNLOAD:
01287         order->SetUnloadType((OrderUnloadFlags)data);
01288         break;
01289 
01290       case MOF_LOAD:
01291         order->SetLoadType((OrderLoadFlags)data);
01292         break;
01293 
01294       case MOF_DEPOT_ACTION: {
01295         switch (data) {
01296           case DA_ALWAYS_GO:
01297             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
01298             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
01299             break;
01300 
01301           case DA_SERVICE:
01302             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() | ODTFB_SERVICE));
01303             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
01304             order->SetRefit(CT_NO_REFIT);
01305             break;
01306 
01307           case DA_STOP:
01308             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
01309             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() | ODATFB_HALT));
01310             order->SetRefit(CT_NO_REFIT);
01311             break;
01312 
01313           default:
01314             NOT_REACHED();
01315         }
01316         break;
01317       }
01318 
01319       case MOF_COND_VARIABLE: {
01320         order->SetConditionVariable((OrderConditionVariable)data);
01321 
01322         OrderConditionComparator occ = order->GetConditionComparator();
01323         switch (order->GetConditionVariable()) {
01324           case OCV_UNCONDITIONALLY:
01325             order->SetConditionComparator(OCC_EQUALS);
01326             order->SetConditionValue(0);
01327             break;
01328 
01329           case OCV_REQUIRES_SERVICE:
01330             if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) order->SetConditionComparator(OCC_IS_TRUE);
01331             break;
01332 
01333           case OCV_LOAD_PERCENTAGE:
01334           case OCV_RELIABILITY:
01335             if (order->GetConditionValue() > 100) order->SetConditionValue(100);
01336             /* FALL THROUGH */
01337           default:
01338             if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) order->SetConditionComparator(OCC_EQUALS);
01339             break;
01340         }
01341         break;
01342       }
01343 
01344       case MOF_COND_COMPARATOR:
01345         order->SetConditionComparator((OrderConditionComparator)data);
01346         break;
01347 
01348       case MOF_COND_VALUE:
01349         order->SetConditionValue(data);
01350         break;
01351 
01352       case MOF_COND_DESTINATION:
01353         order->SetConditionSkipToOrder(data);
01354         break;
01355 
01356       default: NOT_REACHED();
01357     }
01358 
01359     /* Update the windows and full load flags, also for vehicles that share the same order list */
01360     Vehicle *u = v->FirstShared();
01361     DeleteOrderWarnings(u);
01362     for (; u != NULL; u = u->NextShared()) {
01363       /* Toggle u->current_order "Full load" flag if it changed.
01364        * However, as the same flag is used for depot orders, check
01365        * whether we are not going to a depot as there are three
01366        * cases where the full load flag can be active and only
01367        * one case where the flag is used for depot orders. In the
01368        * other cases for the OrderTypeByte the flags are not used,
01369        * so do not care and those orders should not be active
01370        * when this function is called.
01371        */
01372       if (sel_ord == u->cur_real_order_index &&
01373           (u->current_order.IsType(OT_GOTO_STATION) || u->current_order.IsType(OT_LOADING)) &&
01374           u->current_order.GetLoadType() != order->GetLoadType()) {
01375         u->current_order.SetLoadType(order->GetLoadType());
01376       }
01377       InvalidateVehicleOrder(u, -2);
01378     }
01379   }
01380 
01381   return CommandCost();
01382 }
01383 
01395 CommandCost CmdCloneOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01396 {
01397   VehicleID veh_src = GB(p2, 0, 20);
01398   VehicleID veh_dst = GB(p1, 0, 20);
01399 
01400   Vehicle *dst = Vehicle::GetIfValid(veh_dst);
01401   if (dst == NULL || !dst->IsPrimaryVehicle()) return CMD_ERROR;
01402 
01403   CommandCost ret = CheckOwnership(dst->owner);
01404   if (ret.Failed()) return ret;
01405 
01406   switch (GB(p1, 30, 2)) {
01407     case CO_SHARE: {
01408       Vehicle *src = Vehicle::GetIfValid(veh_src);
01409 
01410       /* Sanity checks */
01411       if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
01412 
01413       CommandCost ret = CheckOwnership(src->owner);
01414       if (ret.Failed()) return ret;
01415 
01416       /* Trucks can't share orders with busses (and visa versa) */
01417       if (src->type == VEH_ROAD && RoadVehicle::From(src)->IsBus() != RoadVehicle::From(dst)->IsBus()) {
01418         return CMD_ERROR;
01419       }
01420 
01421       /* Is the vehicle already in the shared list? */
01422       if (src->FirstShared() == dst->FirstShared()) return CMD_ERROR;
01423 
01424       const Order *order;
01425 
01426       FOR_VEHICLE_ORDERS(src, order) {
01427         if (OrderGoesToStation(dst, order) &&
01428             !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) {
01429           return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
01430         }
01431       }
01432 
01433       if (src->orders.list == NULL && !OrderList::CanAllocateItem()) {
01434         return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
01435       }
01436 
01437       if (flags & DC_EXEC) {
01438         /* If the destination vehicle had a OrderList, destroy it.
01439          * We only reset the order indices, if the new orders are obviously different.
01440          * (We mainly do this to keep the order indices valid and in range.) */
01441         DeleteVehicleOrders(dst, false, dst->GetNumOrders() != src->GetNumOrders());
01442 
01443         dst->orders.list = src->orders.list;
01444 
01445         /* Link this vehicle in the shared-list */
01446         dst->AddToShared(src);
01447 
01448         InvalidateVehicleOrder(dst, -1);
01449         InvalidateVehicleOrder(src, -2);
01450 
01451         InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
01452       }
01453       break;
01454     }
01455 
01456     case CO_COPY: {
01457       Vehicle *src = Vehicle::GetIfValid(veh_src);
01458 
01459       /* Sanity checks */
01460       if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
01461 
01462       CommandCost ret = CheckOwnership(src->owner);
01463       if (ret.Failed()) return ret;
01464 
01465       /* Trucks can't copy all the orders from busses (and visa versa),
01466        * and neither can helicopters and aircarft. */
01467       const Order *order;
01468       FOR_VEHICLE_ORDERS(src, order) {
01469         if (OrderGoesToStation(dst, order) &&
01470             !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) {
01471           return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
01472         }
01473       }
01474 
01475       /* make sure there are orders available */
01476       int delta = dst->IsOrderListShared() ? src->GetNumOrders() + 1 : src->GetNumOrders() - dst->GetNumOrders();
01477       if (!Order::CanAllocateItem(delta) ||
01478           ((dst->orders.list == NULL || dst->IsOrderListShared()) && !OrderList::CanAllocateItem())) {
01479         return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
01480       }
01481 
01482       if (flags & DC_EXEC) {
01483         const Order *order;
01484         Order *first = NULL;
01485         Order **order_dst;
01486 
01487         /* If the destination vehicle had an order list, destroy the chain but keep the OrderList.
01488          * We only reset the order indices, if the new orders are obviously different.
01489          * (We mainly do this to keep the order indices valid and in range.) */
01490         DeleteVehicleOrders(dst, true, dst->GetNumOrders() != src->GetNumOrders());
01491 
01492         order_dst = &first;
01493         FOR_VEHICLE_ORDERS(src, order) {
01494           *order_dst = new Order();
01495           (*order_dst)->AssignOrder(*order);
01496           order_dst = &(*order_dst)->next;
01497         }
01498         if (dst->orders.list == NULL) {
01499           dst->orders.list = new OrderList(first, dst);
01500         } else {
01501           assert(dst->orders.list->GetFirstOrder() == NULL);
01502           assert(!dst->orders.list->IsShared());
01503           delete dst->orders.list;
01504           dst->orders.list = new OrderList(first, dst);
01505         }
01506 
01507         InvalidateVehicleOrder(dst, -1);
01508 
01509         InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
01510       }
01511       break;
01512     }
01513 
01514     case CO_UNSHARE: return DecloneOrder(dst, flags);
01515     default: return CMD_ERROR;
01516   }
01517 
01518   return CommandCost();
01519 }
01520 
01533 CommandCost CmdOrderRefit(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01534 {
01535   VehicleID veh = GB(p1, 0, 20);
01536   VehicleOrderID order_number  = GB(p2, 16, 8);
01537   CargoID cargo = GB(p2, 0, 8);
01538   byte subtype  = GB(p2, 8, 8);
01539 
01540   if (cargo >= NUM_CARGO && cargo != CT_NO_REFIT) return CMD_ERROR;
01541 
01542   const Vehicle *v = Vehicle::GetIfValid(veh);
01543   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
01544 
01545   CommandCost ret = CheckOwnership(v->owner);
01546   if (ret.Failed()) return ret;
01547 
01548   Order *order = v->GetOrder(order_number);
01549   if (order == NULL) return CMD_ERROR;
01550 
01551   if (flags & DC_EXEC) {
01552     order->SetRefit(cargo, subtype);
01553 
01554     /* Make the depot order an 'always go' order. */
01555     if (cargo != CT_NO_REFIT) {
01556       order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
01557       order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
01558     }
01559 
01560     for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
01561       /* Update any possible open window of the vehicle */
01562       InvalidateVehicleOrder(u, -2);
01563 
01564       /* If the vehicle already got the current depot set as current order, then update current order as well */
01565       if (u->cur_real_order_index == order_number && (u->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) {
01566         u->current_order.SetRefit(cargo, subtype);
01567       }
01568     }
01569   }
01570 
01571   return CommandCost();
01572 }
01573 
01574 
01580 void CheckOrders(const Vehicle *v)
01581 {
01582   /* Does the user wants us to check things? */
01583   if (_settings_client.gui.order_review_system == 0) return;
01584 
01585   /* Do nothing for crashed vehicles */
01586   if (v->vehstatus & VS_CRASHED) return;
01587 
01588   /* Do nothing for stopped vehicles if setting is '1' */
01589   if (_settings_client.gui.order_review_system == 1 && (v->vehstatus & VS_STOPPED)) return;
01590 
01591   /* do nothing we we're not the first vehicle in a share-chain */
01592   if (v->FirstShared() != v) return;
01593 
01594   /* Only check every 20 days, so that we don't flood the message log */
01595   if (v->owner == _local_company && v->day_counter % 20 == 0) {
01596     int n_st, problem_type = -1;
01597     const Order *order;
01598     int message = 0;
01599 
01600     /* Check the order list */
01601     n_st = 0;
01602 
01603     FOR_VEHICLE_ORDERS(v, order) {
01604       /* Dummy order? */
01605       if (order->IsType(OT_DUMMY)) {
01606         problem_type = 1;
01607         break;
01608       }
01609       /* Does station have a load-bay for this vehicle? */
01610       if (order->IsType(OT_GOTO_STATION)) {
01611         const Station *st = Station::Get(order->GetDestination());
01612 
01613         n_st++;
01614         if (!CanVehicleUseStation(v, st)) problem_type = 3;
01615       }
01616     }
01617 
01618     /* Check if the last and the first order are the same */
01619     if (v->GetNumOrders() > 1) {
01620       const Order *last = v->GetLastOrder();
01621 
01622       if (v->orders.list->GetFirstOrder()->Equals(*last)) {
01623         problem_type = 2;
01624       }
01625     }
01626 
01627     /* Do we only have 1 station in our order list? */
01628     if (n_st < 2 && problem_type == -1) problem_type = 0;
01629 
01630 #ifndef NDEBUG
01631     if (v->orders.list != NULL) v->orders.list->DebugCheckSanity();
01632 #endif
01633 
01634     /* We don't have a problem */
01635     if (problem_type < 0) return;
01636 
01637     message = STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS + problem_type;
01638     //DEBUG(misc, 3, "Triggered News Item for vehicle %d", v->index);
01639 
01640     SetDParam(0, v->index);
01641     AddVehicleNewsItem(
01642       message,
01643       NS_ADVICE,
01644       v->index
01645     );
01646   }
01647 }
01648 
01654 void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination)
01655 {
01656   Vehicle *v;
01657 
01658   /* Aircraft have StationIDs for depot orders and never use DepotIDs
01659    * This fact is handled specially below
01660    */
01661 
01662   /* Go through all vehicles */
01663   FOR_ALL_VEHICLES(v) {
01664     Order *order;
01665 
01666     order = &v->current_order;
01667     if ((v->type == VEH_AIRCRAFT && order->IsType(OT_GOTO_DEPOT) ? OT_GOTO_STATION : order->GetType()) == type &&
01668         v->current_order.GetDestination() == destination) {
01669       order->MakeDummy();
01670       SetWindowDirty(WC_VEHICLE_VIEW, v->index);
01671     }
01672 
01673     /* Clear the order from the order-list */
01674     int id = -1;
01675     FOR_VEHICLE_ORDERS(v, order) {
01676       id++;
01677 restart:
01678 
01679       OrderType ot = order->GetType();
01680       if (ot == OT_GOTO_DEPOT && (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) continue;
01681       if (ot == OT_IMPLICIT || (v->type == VEH_AIRCRAFT && ot == OT_GOTO_DEPOT)) ot = OT_GOTO_STATION;
01682       if (ot == type && order->GetDestination() == destination) {
01683         /* We want to clear implicit orders, but we don't want to make them
01684          * dummy orders. They should just vanish. Also check the actual order
01685          * type as ot is currently OT_GOTO_STATION. */
01686         if (order->IsType(OT_IMPLICIT)) {
01687           order = order->next; // DeleteOrder() invalidates current order
01688           DeleteOrder(v, id);
01689           if (order != NULL) goto restart;
01690           break;
01691         }
01692 
01693         order->MakeDummy();
01694         for (const Vehicle *w = v->FirstShared(); w != NULL; w = w->NextShared()) {
01695           /* In GUI, simulate by removing the order and adding it back */
01696           InvalidateVehicleOrder(w, id | (INVALID_VEH_ORDER_ID << 8));
01697           InvalidateVehicleOrder(w, (INVALID_VEH_ORDER_ID << 8) | id);
01698         }
01699       }
01700     }
01701   }
01702 }
01703 
01708 bool Vehicle::HasDepotOrder() const
01709 {
01710   const Order *order;
01711 
01712   FOR_VEHICLE_ORDERS(this, order) {
01713     if (order->IsType(OT_GOTO_DEPOT)) return true;
01714   }
01715 
01716   return false;
01717 }
01718 
01728 void DeleteVehicleOrders(Vehicle *v, bool keep_orderlist, bool reset_order_indices)
01729 {
01730   DeleteOrderWarnings(v);
01731 
01732   if (v->IsOrderListShared()) {
01733     /* Remove ourself from the shared order list. */
01734     v->RemoveFromShared();
01735     v->orders.list = NULL;
01736   } else if (v->orders.list != NULL) {
01737     /* Remove the orders */
01738     v->orders.list->FreeChain(keep_orderlist);
01739     if (!keep_orderlist) v->orders.list = NULL;
01740   }
01741 
01742   if (reset_order_indices) {
01743     v->cur_implicit_order_index = v->cur_real_order_index = 0;
01744     if (v->current_order.IsType(OT_LOADING)) {
01745       CancelLoadingDueToDeletedOrder(v);
01746     }
01747   }
01748 }
01749 
01757 uint16 GetServiceIntervalClamped(uint interval, CompanyID company_id)
01758 {
01759   return (Company::Get(company_id)->settings.vehicle.servint_ispercent) ? Clamp(interval, MIN_SERVINT_PERCENT, MAX_SERVINT_PERCENT) : Clamp(interval, MIN_SERVINT_DAYS, MAX_SERVINT_DAYS);
01760 }
01761 
01770 static bool CheckForValidOrders(const Vehicle *v)
01771 {
01772   const Order *order;
01773 
01774   FOR_VEHICLE_ORDERS(v, order) {
01775     switch (order->GetType()) {
01776       case OT_GOTO_STATION:
01777       case OT_GOTO_DEPOT:
01778       case OT_GOTO_WAYPOINT:
01779         return true;
01780 
01781       default:
01782         break;
01783     }
01784   }
01785 
01786   return false;
01787 }
01788 
01792 static bool OrderConditionCompare(OrderConditionComparator occ, int variable, int value)
01793 {
01794   switch (occ) {
01795     case OCC_EQUALS:      return variable == value;
01796     case OCC_NOT_EQUALS:  return variable != value;
01797     case OCC_LESS_THAN:   return variable <  value;
01798     case OCC_LESS_EQUALS: return variable <= value;
01799     case OCC_MORE_THAN:   return variable >  value;
01800     case OCC_MORE_EQUALS: return variable >= value;
01801     case OCC_IS_TRUE:     return variable != 0;
01802     case OCC_IS_FALSE:    return variable == 0;
01803     default: NOT_REACHED();
01804   }
01805 }
01806 
01813 VehicleOrderID ProcessConditionalOrder(const Order *order, const Vehicle *v)
01814 {
01815   if (order->GetType() != OT_CONDITIONAL) return INVALID_VEH_ORDER_ID;
01816 
01817   bool skip_order = false;
01818   OrderConditionComparator occ = order->GetConditionComparator();
01819   uint16 value = order->GetConditionValue();
01820 
01821   switch (order->GetConditionVariable()) {
01822     case OCV_LOAD_PERCENTAGE:  skip_order = OrderConditionCompare(occ, CalcPercentVehicleFilled(v, NULL), value); break;
01823     case OCV_RELIABILITY:      skip_order = OrderConditionCompare(occ, ToPercent16(v->reliability),       value); break;
01824     case OCV_MAX_SPEED:        skip_order = OrderConditionCompare(occ, v->GetDisplayMaxSpeed() * 10 / 16, value); break;
01825     case OCV_AGE:              skip_order = OrderConditionCompare(occ, v->age / DAYS_IN_LEAP_YEAR,        value); break;
01826     case OCV_REQUIRES_SERVICE: skip_order = OrderConditionCompare(occ, v->NeedsServicing(),               value); break;
01827     case OCV_UNCONDITIONALLY:  skip_order = true; break;
01828     default: NOT_REACHED();
01829   }
01830 
01831   return skip_order ? order->GetConditionSkipToOrder() : (VehicleOrderID)INVALID_VEH_ORDER_ID;
01832 }
01833 
01841 bool UpdateOrderDest(Vehicle *v, const Order *order, int conditional_depth, bool pbs_look_ahead)
01842 {
01843   if (conditional_depth > v->GetNumOrders()) return false;
01844 
01845   switch (order->GetType()) {
01846     case OT_GOTO_STATION:
01847       v->dest_tile = v->GetOrderStationLocation(order->GetDestination());
01848       return true;
01849 
01850     case OT_GOTO_DEPOT:
01851       if ((order->GetDepotOrderType() & ODTFB_SERVICE) && !v->NeedsServicing()) {
01852         assert(!pbs_look_ahead);
01853         UpdateVehicleTimetable(v, true);
01854         v->IncrementRealOrderIndex();
01855         break;
01856       }
01857 
01858       if (v->current_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) {
01859         /* We need to search for the nearest depot (hangar). */
01860         TileIndex location;
01861         DestinationID destination;
01862         bool reverse;
01863 
01864         if (v->FindClosestDepot(&location, &destination, &reverse)) {
01865           /* PBS reservations cannot reverse */
01866           if (pbs_look_ahead && reverse) return false;
01867 
01868           v->dest_tile = location;
01869           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(), v->current_order.GetRefitSubtype());
01870 
01871           /* If there is no depot in front, reverse automatically (trains only) */
01872           if (v->type == VEH_TRAIN && reverse) DoCommand(v->tile, v->index, 0, DC_EXEC, CMD_REVERSE_TRAIN_DIRECTION);
01873 
01874           if (v->type == VEH_AIRCRAFT) {
01875             Aircraft *a = Aircraft::From(v);
01876             if (a->state == FLYING && a->targetairport != destination) {
01877               /* The aircraft is now heading for a different hangar than the next in the orders */
01878               extern void AircraftNextAirportPos_and_Order(Aircraft *a);
01879               AircraftNextAirportPos_and_Order(a);
01880             }
01881           }
01882           return true;
01883         }
01884 
01885         /* If there is no depot, we cannot help PBS either. */
01886         if (pbs_look_ahead) return false;
01887 
01888         UpdateVehicleTimetable(v, true);
01889         v->IncrementRealOrderIndex();
01890       } else {
01891         if (v->type != VEH_AIRCRAFT) {
01892           v->dest_tile = Depot::Get(order->GetDestination())->xy;
01893         }
01894         return true;
01895       }
01896       break;
01897 
01898     case OT_GOTO_WAYPOINT:
01899       v->dest_tile = Waypoint::Get(order->GetDestination())->xy;
01900       return true;
01901 
01902     case OT_CONDITIONAL: {
01903       assert(!pbs_look_ahead);
01904       VehicleOrderID next_order = ProcessConditionalOrder(order, v);
01905       if (next_order != INVALID_VEH_ORDER_ID) {
01906         /* Jump to next_order. cur_implicit_order_index becomes exactly that order,
01907          * cur_real_order_index might come after next_order. */
01908         UpdateVehicleTimetable(v, false);
01909         v->cur_implicit_order_index = v->cur_real_order_index = next_order;
01910         v->UpdateRealOrderIndex();
01911         v->current_order_time += v->GetOrder(v->cur_real_order_index)->travel_time;
01912 
01913         /* Disable creation of implicit orders.
01914          * When inserting them we do not know that we would have to make the conditional orders point to them. */
01915         if (v->IsGroundVehicle()) {
01916           uint16 &gv_flags = v->GetGroundVehicleFlags();
01917           SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
01918         }
01919       } else {
01920         UpdateVehicleTimetable(v, true);
01921         v->IncrementRealOrderIndex();
01922       }
01923       break;
01924     }
01925 
01926     default:
01927       v->dest_tile = 0;
01928       return false;
01929   }
01930 
01931   assert(v->cur_implicit_order_index < v->GetNumOrders());
01932   assert(v->cur_real_order_index < v->GetNumOrders());
01933 
01934   /* Get the current order */
01935   order = v->GetOrder(v->cur_real_order_index);
01936   if (order != NULL && order->IsType(OT_IMPLICIT)) {
01937     assert(v->GetNumManualOrders() == 0);
01938     order = NULL;
01939   }
01940 
01941   if (order == NULL) {
01942     v->current_order.Free();
01943     v->dest_tile = 0;
01944     return false;
01945   }
01946 
01947   v->current_order = *order;
01948   return UpdateOrderDest(v, order, conditional_depth + 1, pbs_look_ahead);
01949 }
01950 
01958 bool ProcessOrders(Vehicle *v)
01959 {
01960   switch (v->current_order.GetType()) {
01961     case OT_GOTO_DEPOT:
01962       /* Let a depot order in the orderlist interrupt. */
01963       if (!(v->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) return false;
01964       break;
01965 
01966     case OT_LOADING:
01967       return false;
01968 
01969     case OT_LEAVESTATION:
01970       if (v->type != VEH_AIRCRAFT) return false;
01971       break;
01972 
01973     default: break;
01974   }
01975 
01983   bool may_reverse = v->current_order.IsType(OT_NOTHING);
01984 
01985   /* Check if we've reached a 'via' destination. */
01986   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)) &&
01987       IsTileType(v->tile, MP_STATION) &&
01988       v->current_order.GetDestination() == GetStationIndex(v->tile)) {
01989     v->DeleteUnreachedImplicitOrders();
01990     /* We set the last visited station here because we do not want
01991      * the train to stop at this 'via' station if the next order
01992      * is a no-non-stop order; in that case not setting the last
01993      * visited station will cause the vehicle to still stop. */
01994     v->last_station_visited = v->current_order.GetDestination();
01995     UpdateVehicleTimetable(v, true);
01996     v->IncrementImplicitOrderIndex();
01997   }
01998 
01999   /* Get the current order */
02000   assert(v->cur_implicit_order_index == 0 || v->cur_implicit_order_index < v->GetNumOrders());
02001   v->UpdateRealOrderIndex();
02002 
02003   const Order *order = v->GetOrder(v->cur_real_order_index);
02004   if (order != NULL && order->IsType(OT_IMPLICIT)) {
02005     assert(v->GetNumManualOrders() == 0);
02006     order = NULL;
02007   }
02008 
02009   /* If no order, do nothing. */
02010   if (order == NULL || (v->type == VEH_AIRCRAFT && !CheckForValidOrders(v))) {
02011     if (v->type == VEH_AIRCRAFT) {
02012       /* Aircraft do something vastly different here, so handle separately */
02013       extern void HandleMissingAircraftOrders(Aircraft *v);
02014       HandleMissingAircraftOrders(Aircraft::From(v));
02015       return false;
02016     }
02017 
02018     v->current_order.Free();
02019     v->dest_tile = 0;
02020     return false;
02021   }
02022 
02023   /* If it is unchanged, keep it. */
02024   if (order->Equals(v->current_order) && (v->type == VEH_AIRCRAFT || v->dest_tile != 0) &&
02025       (v->type != VEH_SHIP || !order->IsType(OT_GOTO_STATION) || Station::Get(order->GetDestination())->dock_tile != INVALID_TILE)) {
02026     return false;
02027   }
02028 
02029   /* Otherwise set it, and determine the destination tile. */
02030   v->current_order = *order;
02031 
02032   InvalidateVehicleOrder(v, -2);
02033   switch (v->type) {
02034     default:
02035       NOT_REACHED();
02036 
02037     case VEH_ROAD:
02038     case VEH_TRAIN:
02039       break;
02040 
02041     case VEH_AIRCRAFT:
02042     case VEH_SHIP:
02043       SetWindowClassesDirty(GetWindowClassForVehicleType(v->type));
02044       break;
02045   }
02046 
02047   return UpdateOrderDest(v, order) && may_reverse;
02048 }
02049 
02057 bool Order::ShouldStopAtStation(const Vehicle *v, StationID station) const
02058 {
02059   bool is_dest_station = this->IsType(OT_GOTO_STATION) && this->dest == station;
02060 
02061   return (!this->IsType(OT_GOTO_DEPOT) || (this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0) &&
02062       v->last_station_visited != station && // Do stop only when we've not just been there
02063       /* Finally do stop when there is no non-stop flag set for this type of station. */
02064       !(this->GetNonStopType() & (is_dest_station ? ONSF_NO_STOP_AT_DESTINATION_STATION : ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS));
02065 }
02066 
02067 void InitializeOrders()
02068 {
02069   _order_pool.CleanPool();
02070   _orderlist_pool.CleanPool();
02071 }