order_cmd.cpp

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00001 /* $Id$ */
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 #include "cargodest_func.h"
00031 
00032 #include "table/strings.h"
00033 
00034 /* DestinationID must be at least as large as every these below, because it can
00035  * be any of them
00036  */
00037 assert_compile(sizeof(DestinationID) >= sizeof(DepotID));
00038 assert_compile(sizeof(DestinationID) >= sizeof(StationID));
00039 
00040 OrderPool _order_pool("Order");
00041 INSTANTIATE_POOL_METHODS(Order)
00042 OrderListPool _orderlist_pool("OrderList");
00043 INSTANTIATE_POOL_METHODS(OrderList)
00044 
00049 void Order::Free()
00050 {
00051   this->type  = OT_NOTHING;
00052   this->flags = 0;
00053   this->dest  = 0;
00054   this->next  = NULL;
00055 }
00056 
00061 void Order::MakeGoToStation(StationID destination)
00062 {
00063   this->type = OT_GOTO_STATION;
00064   this->flags = 0;
00065   this->dest = destination;
00066 }
00067 
00077 void Order::MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type, OrderDepotActionFlags action, CargoID cargo, byte subtype)
00078 {
00079   this->type = OT_GOTO_DEPOT;
00080   this->SetDepotOrderType(order);
00081   this->SetDepotActionType(action);
00082   this->SetNonStopType(non_stop_type);
00083   this->dest = destination;
00084   this->SetRefit(cargo, subtype);
00085 }
00086 
00091 void Order::MakeGoToWaypoint(StationID destination)
00092 {
00093   this->type = OT_GOTO_WAYPOINT;
00094   this->flags = 0;
00095   this->dest = destination;
00096 }
00097 
00102 void Order::MakeLoading(bool ordered)
00103 {
00104   this->type = OT_LOADING;
00105   if (!ordered) this->flags = 0;
00106 }
00107 
00111 void Order::MakeLeaveStation()
00112 {
00113   this->type = OT_LEAVESTATION;
00114   this->flags = 0;
00115 }
00116 
00120 void Order::MakeDummy()
00121 {
00122   this->type = OT_DUMMY;
00123   this->flags = 0;
00124 }
00125 
00130 void Order::MakeConditional(VehicleOrderID order)
00131 {
00132   this->type = OT_CONDITIONAL;
00133   this->flags = order;
00134   this->dest = 0;
00135 }
00136 
00141 void Order::MakeAutomatic(StationID destination)
00142 {
00143   this->type = OT_AUTOMATIC;
00144   this->dest = destination;
00145 }
00146 
00153 void Order::SetRefit(CargoID cargo, byte subtype)
00154 {
00155   this->refit_cargo = cargo;
00156   this->refit_subtype = subtype;
00157 }
00158 
00164 bool Order::Equals(const Order &other) const
00165 {
00166   /* In case of go to nearest depot orders we need "only" compare the flags
00167    * with the other and not the nearest depot order bit or the actual
00168    * destination because those get clear/filled in during the order
00169    * evaluation. If we do not do this the order will continuously be seen as
00170    * a different order and it will try to find a "nearest depot" every tick. */
00171   if ((this->IsType(OT_GOTO_DEPOT) && this->type == other.type) &&
00172       ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0 ||
00173        (other.GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0)) {
00174     return this->GetDepotOrderType() == other.GetDepotOrderType() &&
00175         (this->GetDepotActionType() & ~ODATFB_NEAREST_DEPOT) == (other.GetDepotActionType() & ~ODATFB_NEAREST_DEPOT);
00176   }
00177 
00178   return this->type == other.type && this->flags == other.flags && this->dest == other.dest;
00179 }
00180 
00187 uint32 Order::Pack() const
00188 {
00189   return this->dest << 16 | this->flags << 8 | this->type;
00190 }
00191 
00197 uint16 Order::MapOldOrder() const
00198 {
00199   uint16 order = this->GetType();
00200   switch (this->type) {
00201     case OT_GOTO_STATION:
00202       if (this->GetUnloadType() & OUFB_UNLOAD) SetBit(order, 5);
00203       if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
00204       if (this->GetNonStopType() & ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS) SetBit(order, 7);
00205       order |= GB(this->GetDestination(), 0, 8) << 8;
00206       break;
00207     case OT_GOTO_DEPOT:
00208       if (!(this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) SetBit(order, 6);
00209       SetBit(order, 7);
00210       order |= GB(this->GetDestination(), 0, 8) << 8;
00211       break;
00212     case OT_LOADING:
00213       if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
00214       break;
00215   }
00216   return order;
00217 }
00218 
00223 Order::Order(uint32 packed)
00224 {
00225   this->type    = (OrderType)GB(packed,  0,  8);
00226   this->flags   = GB(packed,  8,  8);
00227   this->dest    = GB(packed, 16, 16);
00228   this->next    = NULL;
00229   this->refit_cargo   = CT_NO_REFIT;
00230   this->refit_subtype = 0;
00231   this->wait_time     = 0;
00232   this->travel_time   = 0;
00233 }
00234 
00239 /* static */ void Order::PostDestructor(size_t index)
00240 {
00241   Vehicle *v;
00242   FOR_ALL_VEHICLES(v) {
00243     if (v->current_order.index == index) v->current_order.index = INVALID_ORDER;
00244     if (v->last_order_id == index) v->last_order_id = INVALID_ORDER;
00245   }
00246 
00247   InvalidateOrderRouteLinks((OrderID)index);
00248 }
00249 
00255 void InvalidateVehicleOrder(const Vehicle *v, int data)
00256 {
00257   SetWindowDirty(WC_VEHICLE_VIEW, v->index);
00258 
00259   if (data != 0) {
00260     /* Calls SetDirty() too */
00261     InvalidateWindowData(WC_VEHICLE_ORDERS,    v->index, data);
00262     InvalidateWindowData(WC_VEHICLE_TIMETABLE, v->index, data);
00263     return;
00264   }
00265 
00266   SetWindowDirty(WC_VEHICLE_ORDERS,    v->index);
00267   SetWindowDirty(WC_VEHICLE_TIMETABLE, v->index);
00268 }
00269 
00277 void Order::AssignOrder(const Order &other)
00278 {
00279   this->type  = other.type;
00280   this->flags = other.flags;
00281   this->dest  = other.dest;
00282 
00283   this->refit_cargo   = other.refit_cargo;
00284   this->refit_subtype = other.refit_subtype;
00285 
00286   this->wait_time   = other.wait_time;
00287   this->travel_time = other.travel_time;
00288 }
00289 
00295 void OrderList::Initialize(Order *chain, Vehicle *v)
00296 {
00297   this->first = chain;
00298   this->first_shared = v;
00299 
00300   this->num_orders = 0;
00301   this->num_manual_orders = 0;
00302   this->num_vehicles = 1;
00303   this->timetable_duration = 0;
00304 
00305   for (Order *o = this->first; o != NULL; o = o->next) {
00306     ++this->num_orders;
00307     if (!o->IsType(OT_AUTOMATIC)) ++this->num_manual_orders;
00308     this->timetable_duration += o->wait_time + o->travel_time;
00309   }
00310 
00311   for (Vehicle *u = this->first_shared->PreviousShared(); u != NULL; u = u->PreviousShared()) {
00312     ++this->num_vehicles;
00313     this->first_shared = u;
00314   }
00315 
00316   for (const Vehicle *u = v->NextShared(); u != NULL; u = u->NextShared()) ++this->num_vehicles;
00317 }
00318 
00324 void OrderList::FreeChain(bool keep_orderlist)
00325 {
00326   Order *next;
00327   for (Order *o = this->first; o != NULL; o = next) {
00328     next = o->next;
00329     delete o;
00330   }
00331 
00332   if (keep_orderlist) {
00333     this->first = NULL;
00334     this->num_orders = 0;
00335     this->num_manual_orders = 0;
00336     this->timetable_duration = 0;
00337   } else {
00338     delete this;
00339   }
00340 }
00341 
00347 Order *OrderList::GetOrderAt(int index) const
00348 {
00349   if (index < 0) return NULL;
00350 
00351   Order *order = this->first;
00352 
00353   while (order != NULL && index-- > 0) {
00354     order = order->next;
00355   }
00356   return order;
00357 }
00358 
00364 void OrderList::InsertOrderAt(Order *new_order, int index)
00365 {
00366   if (this->first == NULL) {
00367     this->first = new_order;
00368   } else {
00369     if (index == 0) {
00370       /* Insert as first or only order */
00371       new_order->next = this->first;
00372       this->first = new_order;
00373     } else if (index >= this->num_orders) {
00374       /* index is after the last order, add it to the end */
00375       this->GetLastOrder()->next = new_order;
00376     } else {
00377       /* Put the new order in between */
00378       Order *order = this->GetOrderAt(index - 1);
00379       new_order->next = order->next;
00380       order->next = new_order;
00381     }
00382   }
00383   ++this->num_orders;
00384   if (!new_order->IsType(OT_AUTOMATIC)) ++this->num_manual_orders;
00385   this->timetable_duration += new_order->wait_time + new_order->travel_time;
00386 }
00387 
00388 
00393 void OrderList::DeleteOrderAt(int index)
00394 {
00395   if (index >= this->num_orders) return;
00396 
00397   Order *to_remove;
00398 
00399   if (index == 0) {
00400     to_remove = this->first;
00401     this->first = to_remove->next;
00402   } else {
00403     Order *prev = GetOrderAt(index - 1);
00404     to_remove = prev->next;
00405     prev->next = to_remove->next;
00406   }
00407   --this->num_orders;
00408   if (!to_remove->IsType(OT_AUTOMATIC)) --this->num_manual_orders;
00409   this->timetable_duration -= (to_remove->wait_time + to_remove->travel_time);
00410   delete to_remove;
00411 }
00412 
00418 void OrderList::MoveOrder(int from, int to)
00419 {
00420   if (from >= this->num_orders || to >= this->num_orders || from == to) return;
00421 
00422   Order *moving_one;
00423 
00424   /* Take the moving order out of the pointer-chain */
00425   if (from == 0) {
00426     moving_one = this->first;
00427     this->first = moving_one->next;
00428   } else {
00429     Order *one_before = GetOrderAt(from - 1);
00430     moving_one = one_before->next;
00431     one_before->next = moving_one->next;
00432   }
00433 
00434   /* Insert the moving_order again in the pointer-chain */
00435   if (to == 0) {
00436     moving_one->next = this->first;
00437     this->first = moving_one;
00438   } else {
00439     Order *one_before = GetOrderAt(to - 1);
00440     moving_one->next = one_before->next;
00441     one_before->next = moving_one;
00442   }
00443 }
00444 
00450 void OrderList::RemoveVehicle(Vehicle *v)
00451 {
00452   --this->num_vehicles;
00453   if (v == this->first_shared) this->first_shared = v->NextShared();
00454 }
00455 
00460 bool OrderList::IsVehicleInSharedOrdersList(const Vehicle *v) const
00461 {
00462   for (const Vehicle *v_shared = this->first_shared; v_shared != NULL; v_shared = v_shared->NextShared()) {
00463     if (v_shared == v) return true;
00464   }
00465 
00466   return false;
00467 }
00468 
00474 int OrderList::GetPositionInSharedOrderList(const Vehicle *v) const
00475 {
00476   int count = 0;
00477   for (const Vehicle *v_shared = v->PreviousShared(); v_shared != NULL; v_shared = v_shared->PreviousShared()) count++;
00478   return count;
00479 }
00480 
00485 bool OrderList::IsCompleteTimetable() const
00486 {
00487   for (Order *o = this->first; o != NULL; o = o->next) {
00488     /* Automatic orders are, by definition, not timetabled. */
00489     if (o->IsType(OT_AUTOMATIC)) continue;
00490     if (!o->IsCompletelyTimetabled()) return false;
00491   }
00492   return true;
00493 }
00494 
00498 void OrderList::DebugCheckSanity() const
00499 {
00500   VehicleOrderID check_num_orders = 0;
00501   VehicleOrderID check_num_manual_orders = 0;
00502   uint check_num_vehicles = 0;
00503   Ticks check_timetable_duration = 0;
00504 
00505   DEBUG(misc, 6, "Checking OrderList %hu for sanity...", this->index);
00506 
00507   for (const Order *o = this->first; o != NULL; o = o->next) {
00508     ++check_num_orders;
00509     if (!o->IsType(OT_AUTOMATIC)) ++check_num_manual_orders;
00510     check_timetable_duration += o->wait_time + o->travel_time;
00511   }
00512   assert(this->num_orders == check_num_orders);
00513   assert(this->num_manual_orders == check_num_manual_orders);
00514   assert(this->timetable_duration == check_timetable_duration);
00515 
00516   for (const Vehicle *v = this->first_shared; v != NULL; v = v->NextShared()) {
00517     ++check_num_vehicles;
00518     assert(v->orders.list == this);
00519   }
00520   assert(this->num_vehicles == check_num_vehicles);
00521   DEBUG(misc, 6, "... detected %u orders (%u manual), %u vehicles, %i ticks",
00522       (uint)this->num_orders, (uint)this->num_manual_orders,
00523       this->num_vehicles, this->timetable_duration);
00524 }
00525 
00533 static inline bool OrderGoesToStation(const Vehicle *v, const Order *o)
00534 {
00535   return o->IsType(OT_GOTO_STATION) ||
00536       (v->type == VEH_AIRCRAFT && o->IsType(OT_GOTO_DEPOT) && !(o->GetDepotActionType() & ODATFB_NEAREST_DEPOT));
00537 }
00538 
00545 static void DeleteOrderWarnings(const Vehicle *v)
00546 {
00547   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS);
00548   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_VOID_ORDER);
00549   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_DUPLICATE_ENTRY);
00550   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_INVALID_ENTRY);
00551 }
00552 
00558 TileIndex Order::GetLocation(const Vehicle *v) const
00559 {
00560   switch (this->GetType()) {
00561     case OT_GOTO_WAYPOINT:
00562     case OT_GOTO_STATION:
00563     case OT_AUTOMATIC:
00564       return BaseStation::Get(this->GetDestination())->xy;
00565 
00566     case OT_GOTO_DEPOT:
00567       if ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) return INVALID_TILE;
00568       return (v->type == VEH_AIRCRAFT) ? Station::Get(this->GetDestination())->xy : Depot::Get(this->GetDestination())->xy;
00569 
00570     default:
00571       return INVALID_TILE;
00572   }
00573 }
00574 
00575 static uint GetOrderDistance(const Order *prev, const Order *cur, const Vehicle *v, int conditional_depth = 0)
00576 {
00577   assert(v->type == VEH_SHIP);
00578 
00579   if (cur->IsType(OT_CONDITIONAL)) {
00580     if (conditional_depth > v->GetNumOrders()) return 0;
00581 
00582     conditional_depth++;
00583 
00584     int dist1 = GetOrderDistance(prev, v->GetOrder(cur->GetConditionSkipToOrder()), v, conditional_depth);
00585     int dist2 = GetOrderDistance(prev, cur->next == NULL ? v->orders.list->GetFirstOrder() : cur->next, v, conditional_depth);
00586     return max(dist1, dist2);
00587   }
00588 
00589   TileIndex prev_tile = prev->GetLocation(v);
00590   TileIndex cur_tile = cur->GetLocation(v);
00591   if (prev_tile == INVALID_TILE || cur_tile == INVALID_TILE) return 0;
00592   return DistanceManhattan(prev_tile, cur_tile);
00593 }
00594 
00608 CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00609 {
00610   VehicleID veh          = GB(p1,  0, 20);
00611   VehicleOrderID sel_ord = GB(p1, 20, 8);
00612   Order new_order(p2);
00613 
00614   Vehicle *v = Vehicle::GetIfValid(veh);
00615   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
00616 
00617   CommandCost ret = CheckOwnership(v->owner);
00618   if (ret.Failed()) return ret;
00619 
00620   /* Check if the inserted order is to the correct destination (owner, type),
00621    * and has the correct flags if any */
00622   switch (new_order.GetType()) {
00623     case OT_GOTO_STATION: {
00624       const Station *st = Station::GetIfValid(new_order.GetDestination());
00625       if (st == NULL) return CMD_ERROR;
00626 
00627       if (st->owner != OWNER_NONE) {
00628         CommandCost ret = CheckOwnership(st->owner);
00629         if (ret.Failed()) return ret;
00630       }
00631 
00632       if (!CanVehicleUseStation(v, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
00633       for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
00634         if (!CanVehicleUseStation(u, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER_SHARED);
00635       }
00636 
00637       /* Non stop only allowed for ground vehicles. */
00638       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
00639 
00640       /* Filter invalid load/unload types. */
00641       switch (new_order.GetLoadType()) {
00642         case OLF_LOAD_IF_POSSIBLE: case OLFB_FULL_LOAD: case OLF_FULL_LOAD_ANY: case OLFB_NO_LOAD: break;
00643         default: return CMD_ERROR;
00644       }
00645       switch (new_order.GetUnloadType()) {
00646         case OUF_UNLOAD_IF_POSSIBLE: case OUFB_UNLOAD: case OUFB_TRANSFER: case OUFB_NO_UNLOAD: break;
00647         default: return CMD_ERROR;
00648       }
00649 
00650       /* Filter invalid stop locations */
00651       switch (new_order.GetStopLocation()) {
00652         case OSL_PLATFORM_NEAR_END:
00653         case OSL_PLATFORM_MIDDLE:
00654           if (v->type != VEH_TRAIN) return CMD_ERROR;
00655           /* FALL THROUGH */
00656         case OSL_PLATFORM_FAR_END:
00657           break;
00658 
00659         default:
00660           return CMD_ERROR;
00661       }
00662 
00663       break;
00664     }
00665 
00666     case OT_GOTO_DEPOT: {
00667       if ((new_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) == 0) {
00668         if (v->type == VEH_AIRCRAFT) {
00669           const Station *st = Station::GetIfValid(new_order.GetDestination());
00670 
00671           if (st == NULL) return CMD_ERROR;
00672 
00673           CommandCost ret = CheckOwnership(st->owner);
00674           if (ret.Failed()) return ret;
00675 
00676           if (!CanVehicleUseStation(v, st) || !st->airport.HasHangar()) {
00677             return CMD_ERROR;
00678           }
00679         } else {
00680           const Depot *dp = Depot::GetIfValid(new_order.GetDestination());
00681 
00682           if (dp == NULL) return CMD_ERROR;
00683 
00684           CommandCost ret = CheckOwnership(GetTileOwner(dp->xy));
00685           if (ret.Failed()) return ret;
00686 
00687           switch (v->type) {
00688             case VEH_TRAIN:
00689               if (!IsRailDepotTile(dp->xy)) return CMD_ERROR;
00690               break;
00691 
00692             case VEH_ROAD:
00693               if (!IsRoadDepotTile(dp->xy)) return CMD_ERROR;
00694               break;
00695 
00696             case VEH_SHIP:
00697               if (!IsShipDepotTile(dp->xy)) return CMD_ERROR;
00698               break;
00699 
00700             default: return CMD_ERROR;
00701           }
00702         }
00703       }
00704 
00705       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
00706       if (new_order.GetDepotOrderType() & ~(ODTFB_PART_OF_ORDERS | ((new_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0 ? ODTFB_SERVICE : 0))) return CMD_ERROR;
00707       if (new_order.GetDepotActionType() & ~(ODATFB_HALT | ODATFB_NEAREST_DEPOT)) return CMD_ERROR;
00708       if ((new_order.GetDepotOrderType() & ODTFB_SERVICE) && (new_order.GetDepotActionType() & ODATFB_HALT)) return CMD_ERROR;
00709       break;
00710     }
00711 
00712     case OT_GOTO_WAYPOINT: {
00713       const Waypoint *wp = Waypoint::GetIfValid(new_order.GetDestination());
00714       if (wp == NULL) return CMD_ERROR;
00715 
00716       switch (v->type) {
00717         default: return CMD_ERROR;
00718 
00719         case VEH_TRAIN: {
00720           if (!(wp->facilities & FACIL_TRAIN)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
00721 
00722           CommandCost ret = CheckOwnership(wp->owner);
00723           if (ret.Failed()) return ret;
00724           break;
00725         }
00726 
00727         case VEH_SHIP:
00728           if (!(wp->facilities & FACIL_DOCK)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
00729           if (wp->owner != OWNER_NONE) {
00730             CommandCost ret = CheckOwnership(wp->owner);
00731             if (ret.Failed()) return ret;
00732           }
00733           break;
00734       }
00735 
00736       /* Order flags can be any of the following for waypoints:
00737        * [non-stop]
00738        * non-stop orders (if any) are only valid for trains */
00739       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && v->type != VEH_TRAIN) return CMD_ERROR;
00740       break;
00741     }
00742 
00743     case OT_CONDITIONAL: {
00744       VehicleOrderID skip_to = new_order.GetConditionSkipToOrder();
00745       if (skip_to != 0 && skip_to >= v->GetNumOrders()) return CMD_ERROR; // Always allow jumping to the first (even when there is no order).
00746       if (new_order.GetConditionVariable() > OCV_END) return CMD_ERROR;
00747 
00748       OrderConditionComparator occ = new_order.GetConditionComparator();
00749       if (occ > OCC_END) return CMD_ERROR;
00750       switch (new_order.GetConditionVariable()) {
00751         case OCV_REQUIRES_SERVICE:
00752           if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) return CMD_ERROR;
00753           break;
00754 
00755         case OCV_UNCONDITIONALLY:
00756           if (occ != OCC_EQUALS) return CMD_ERROR;
00757           if (new_order.GetConditionValue() != 0) return CMD_ERROR;
00758           break;
00759 
00760         case OCV_LOAD_PERCENTAGE:
00761         case OCV_RELIABILITY:
00762           if (new_order.GetConditionValue() > 100) return CMD_ERROR;
00763           /* FALL THROUGH */
00764         default:
00765           if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) return CMD_ERROR;
00766           break;
00767       }
00768       break;
00769     }
00770 
00771     default: return CMD_ERROR;
00772   }
00773 
00774   if (sel_ord > v->GetNumOrders()) return CMD_ERROR;
00775 
00776   if (v->GetNumOrders() >= MAX_VEH_ORDER_ID) return_cmd_error(STR_ERROR_TOO_MANY_ORDERS);
00777   if (!Order::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
00778   if (v->orders.list == NULL && !OrderList::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
00779 
00780   if (v->type == VEH_SHIP && _settings_game.pf.pathfinder_for_ships != VPF_NPF) {
00781     /* Make sure the new destination is not too far away from the previous */
00782     const Order *prev = NULL;
00783     uint n = 0;
00784 
00785     /* Find the last goto station or depot order before the insert location.
00786      * If the order is to be inserted at the beginning of the order list this
00787      * finds the last order in the list. */
00788     const Order *o;
00789     FOR_VEHICLE_ORDERS(v, o) {
00790       switch (o->GetType()) {
00791         case OT_GOTO_STATION:
00792         case OT_GOTO_DEPOT:
00793         case OT_GOTO_WAYPOINT:
00794           prev = o;
00795           break;
00796 
00797         default: break;
00798       }
00799       if (++n == sel_ord && prev != NULL) break;
00800     }
00801     if (prev != NULL) {
00802       uint dist = GetOrderDistance(prev, &new_order, v);
00803       if (dist >= 130) {
00804         return_cmd_error(STR_ERROR_TOO_FAR_FROM_PREVIOUS_DESTINATION);
00805       }
00806     }
00807   }
00808 
00809   if (flags & DC_EXEC) {
00810     Order *new_o = new Order();
00811     new_o->AssignOrder(new_order);
00812     InsertOrder(v, new_o, sel_ord);
00813   }
00814 
00815   return CommandCost();
00816 }
00817 
00824 void InsertOrder(Vehicle *v, Order *new_o, VehicleOrderID sel_ord)
00825 {
00826   /* Create new order and link in list */
00827   if (v->orders.list == NULL) {
00828     v->orders.list = new OrderList(new_o, v);
00829   } else {
00830     v->orders.list->InsertOrderAt(new_o, sel_ord);
00831   }
00832 
00833   Vehicle *u = v->FirstShared();
00834   DeleteOrderWarnings(u);
00835   for (; u != NULL; u = u->NextShared()) {
00836     assert(v->orders.list == u->orders.list);
00837 
00838     /* If there is added an order before the current one, we need
00839      * to update the selected order. We do not change automatic/real order indices though.
00840      * If the new order is between the current auto order and real order, the auto order will
00841      * later skip the inserted order. */
00842     if (sel_ord <= u->cur_real_order_index) {
00843       uint cur = u->cur_real_order_index + 1;
00844       /* Check if we don't go out of bound */
00845       if (cur < u->GetNumOrders()) {
00846         u->cur_real_order_index = cur;
00847       }
00848     }
00849     if (sel_ord == u->cur_auto_order_index && u->IsGroundVehicle()) {
00850       /* We are inserting an order just before the current automatic order.
00851        * We do not know whether we will reach current automatic or the newly inserted order first.
00852        * So, disable creation of automatic orders until we are on track again. */
00853       uint16 &gv_flags = u->GetGroundVehicleFlags();
00854       SetBit(gv_flags, GVF_SUPPRESS_AUTOMATIC_ORDERS);
00855     }
00856     if (sel_ord <= u->cur_auto_order_index) {
00857       uint cur = u->cur_auto_order_index + 1;
00858       /* Check if we don't go out of bound */
00859       if (cur < u->GetNumOrders()) {
00860         u->cur_auto_order_index = cur;
00861       }
00862     }
00863     /* Update any possible open window of the vehicle */
00864     InvalidateVehicleOrder(u, INVALID_VEH_ORDER_ID | (sel_ord << 8));
00865   }
00866 
00867   /* As we insert an order, the order to skip to will be 'wrong'. */
00868   VehicleOrderID cur_order_id = 0;
00869   Order *order;
00870   FOR_VEHICLE_ORDERS(v, order) {
00871     if (order->IsType(OT_CONDITIONAL)) {
00872       VehicleOrderID order_id = order->GetConditionSkipToOrder();
00873       if (order_id >= sel_ord) {
00874         order->SetConditionSkipToOrder(order_id + 1);
00875       }
00876       if (order_id == cur_order_id) {
00877         order->SetConditionSkipToOrder((order_id + 1) % v->GetNumOrders());
00878       }
00879     }
00880     cur_order_id++;
00881   }
00882 
00883   PrefillRouteLinks(v);
00884 
00885   /* Make sure to rebuild the whole list */
00886   InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
00887 }
00888 
00894 static CommandCost DecloneOrder(Vehicle *dst, DoCommandFlag flags)
00895 {
00896   if (flags & DC_EXEC) {
00897     DeleteVehicleOrders(dst);
00898     InvalidateVehicleOrder(dst, -1);
00899     InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
00900   }
00901   return CommandCost();
00902 }
00903 
00913 CommandCost CmdDeleteOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00914 {
00915   VehicleID veh_id = GB(p1, 0, 20);
00916   VehicleOrderID sel_ord = GB(p2, 0, 8);
00917 
00918   Vehicle *v = Vehicle::GetIfValid(veh_id);
00919 
00920   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
00921 
00922   CommandCost ret = CheckOwnership(v->owner);
00923   if (ret.Failed()) return ret;
00924 
00925   /* If we did not select an order, we maybe want to de-clone the orders */
00926   if (sel_ord >= v->GetNumOrders()) return DecloneOrder(v, flags);
00927 
00928   if (v->GetOrder(sel_ord) == NULL) return CMD_ERROR;
00929 
00930   if (flags & DC_EXEC) DeleteOrder(v, sel_ord);
00931   return CommandCost();
00932 }
00933 
00938 static void CancelLoadingDueToDeletedOrder(Vehicle *v)
00939 {
00940   assert(v->current_order.IsType(OT_LOADING));
00941   /* NON-stop flag is misused to see if a train is in a station that is
00942    * on his order list or not */
00943   v->current_order.SetNonStopType(ONSF_STOP_EVERYWHERE);
00944   /* When full loading, "cancel" that order so the vehicle doesn't
00945    * stay indefinitely at this station anymore. */
00946   if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) v->current_order.SetLoadType(OLF_LOAD_IF_POSSIBLE);
00947 }
00948 
00953 static void InvalidateNextStation(Vehicle *v)
00954 {
00955   for (; v != NULL; v = v->Next()) {
00956     v->cargo.InvalidateNextStation();
00957   }
00958 }
00959 
00965 void DeleteOrder(Vehicle *v, VehicleOrderID sel_ord)
00966 {
00967   v->orders.list->DeleteOrderAt(sel_ord);
00968 
00969   Vehicle *u = v->FirstShared();
00970   DeleteOrderWarnings(u);
00971   PrefillRouteLinks(u);
00972   for (; u != NULL; u = u->NextShared()) {
00973     assert(v->orders.list == u->orders.list);
00974 
00975     if (sel_ord == u->cur_real_order_index && u->current_order.IsType(OT_LOADING)) {
00976       CancelLoadingDueToDeletedOrder(u);
00977     }
00978 
00979     if (sel_ord < u->cur_real_order_index) {
00980       u->cur_real_order_index--;
00981     } else if (sel_ord == u->cur_real_order_index) {
00982       u->UpdateRealOrderIndex();
00983     }
00984 
00985     if (sel_ord < u->cur_auto_order_index) {
00986       u->cur_auto_order_index--;
00987     } else if (sel_ord == u->cur_auto_order_index) {
00988       /* Make sure the index is valid */
00989       if (u->cur_auto_order_index >= u->GetNumOrders()) u->cur_auto_order_index = 0;
00990 
00991       /* Skip non-automatic orders for the auto-order-index (e.g. if the current auto order was deleted */
00992       while (u->cur_auto_order_index != u->cur_real_order_index && !u->GetOrder(u->cur_auto_order_index)->IsType(OT_AUTOMATIC)) {
00993         u->cur_auto_order_index++;
00994         if (u->cur_auto_order_index >= u->GetNumOrders()) u->cur_auto_order_index = 0;
00995       }
00996     }
00997 
00998     /* Update any possible open window of the vehicle */
00999     InvalidateVehicleOrder(u, sel_ord | (INVALID_VEH_ORDER_ID << 8));
01000 
01001     /* Clear the next unload station of all cargo packets, it might not be in the orders anymore. */
01002     InvalidateNextStation(u);
01003   }
01004 
01005   /* As we delete an order, the order to skip to will be 'wrong'. */
01006   VehicleOrderID cur_order_id = 0;
01007   Order *order = NULL;
01008   FOR_VEHICLE_ORDERS(v, order) {
01009     if (order->IsType(OT_CONDITIONAL)) {
01010       VehicleOrderID order_id = order->GetConditionSkipToOrder();
01011       if (order_id >= sel_ord) {
01012         order_id = max(order_id - 1, 0);
01013       }
01014       if (order_id == cur_order_id) {
01015         order_id = (order_id + 1) % v->GetNumOrders();
01016       }
01017       order->SetConditionSkipToOrder(order_id);
01018     }
01019     cur_order_id++;
01020   }
01021 
01022   InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
01023 }
01024 
01034 CommandCost CmdSkipToOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01035 {
01036   VehicleID veh_id = GB(p1, 0, 20);
01037   VehicleOrderID sel_ord = GB(p2, 0, 8);
01038 
01039   Vehicle *v = Vehicle::GetIfValid(veh_id);
01040 
01041   if (v == NULL || !v->IsPrimaryVehicle() || sel_ord == v->cur_auto_order_index || sel_ord >= v->GetNumOrders() || v->GetNumOrders() < 2) return CMD_ERROR;
01042 
01043   CommandCost ret = CheckOwnership(v->owner);
01044   if (ret.Failed()) return ret;
01045 
01046   if (flags & DC_EXEC) {
01047     v->cur_auto_order_index = v->cur_real_order_index = sel_ord;
01048     v->UpdateRealOrderIndex();
01049 
01050     if (v->current_order.IsType(OT_LOADING)) v->LeaveStation();
01051 
01052     InvalidateVehicleOrder(v, -2);
01053   }
01054 
01055   /* We have an aircraft/ship, they have a mini-schedule, so update them all */
01056   if (v->type == VEH_AIRCRAFT) SetWindowClassesDirty(WC_AIRCRAFT_LIST);
01057   if (v->type == VEH_SHIP) SetWindowClassesDirty(WC_SHIPS_LIST);
01058 
01059   return CommandCost();
01060 }
01061 
01075 CommandCost CmdMoveOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01076 {
01077   VehicleID veh = GB(p1, 0, 20);
01078   VehicleOrderID moving_order = GB(p2,  0, 16);
01079   VehicleOrderID target_order = GB(p2, 16, 16);
01080 
01081   Vehicle *v = Vehicle::GetIfValid(veh);
01082   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
01083 
01084   CommandCost ret = CheckOwnership(v->owner);
01085   if (ret.Failed()) return ret;
01086 
01087   /* Don't make senseless movements */
01088   if (moving_order >= v->GetNumOrders() || target_order >= v->GetNumOrders() ||
01089       moving_order == target_order || v->GetNumOrders() <= 1) return CMD_ERROR;
01090 
01091   Order *moving_one = v->GetOrder(moving_order);
01092   /* Don't move an empty order */
01093   if (moving_one == NULL) return CMD_ERROR;
01094 
01095   if (flags & DC_EXEC) {
01096     v->orders.list->MoveOrder(moving_order, target_order);
01097 
01098     /* Update shared list */
01099     Vehicle *u = v->FirstShared();
01100 
01101     DeleteOrderWarnings(u);
01102 
01103     for (; u != NULL; u = u->NextShared()) {
01104       /* Update the current order.
01105        * There are multiple ways to move orders, which result in cur_auto_order_index
01106        * and cur_real_order_index to not longer make any sense. E.g. moving another
01107        * real order between them.
01108        *
01109        * Basically one could choose to preserve either of them, but not both.
01110        * While both ways are suitable in this or that case from a human point of view, neither
01111        * of them makes really sense.
01112        * However, from an AI point of view, preserving cur_real_order_index is the most
01113        * predictable and transparent behaviour.
01114        *
01115        * With that decision it basically does not matter what we do to cur_auto_order_index.
01116        * If we change orders between the auto- and real-index, the auto orders are mostly likely
01117        * completely out-dated anyway. So, keep it simple and just keep cur_auto_order_index as well.
01118        * The worst which can happen is that a lot of automatic orders are removed when reaching current_order.
01119        */
01120       if (u->cur_real_order_index == moving_order) {
01121         u->cur_real_order_index = target_order;
01122       } else if (u->cur_real_order_index > moving_order && u->cur_real_order_index <= target_order) {
01123         u->cur_real_order_index--;
01124       } else if (u->cur_real_order_index < moving_order && u->cur_real_order_index >= target_order) {
01125         u->cur_real_order_index++;
01126       }
01127 
01128       if (u->cur_auto_order_index == moving_order) {
01129         u->cur_auto_order_index = target_order;
01130       } else if (u->cur_auto_order_index > moving_order && u->cur_auto_order_index <= target_order) {
01131         u->cur_auto_order_index--;
01132       } else if (u->cur_auto_order_index < moving_order && u->cur_auto_order_index >= target_order) {
01133         u->cur_auto_order_index++;
01134       }
01135 
01136       assert(v->orders.list == u->orders.list);
01137       /* Update any possible open window of the vehicle */
01138       InvalidateVehicleOrder(u, moving_order | (target_order << 8));
01139     }
01140 
01141     /* As we move an order, the order to skip to will be 'wrong'. */
01142     Order *order;
01143     FOR_VEHICLE_ORDERS(v, order) {
01144       if (order->IsType(OT_CONDITIONAL)) {
01145         VehicleOrderID order_id = order->GetConditionSkipToOrder();
01146         if (order_id == moving_order) {
01147           order_id = target_order;
01148         } else if (order_id > moving_order && order_id <= target_order) {
01149           order_id--;
01150         } else if (order_id < moving_order && order_id >= target_order) {
01151           order_id++;
01152         }
01153         order->SetConditionSkipToOrder(order_id);
01154       }
01155     }
01156 
01157     /* Make sure to rebuild the whole list */
01158     InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
01159   }
01160 
01161   return CommandCost();
01162 }
01163 
01179 CommandCost CmdModifyOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01180 {
01181   VehicleOrderID sel_ord = GB(p1, 20,  8);
01182   VehicleID veh          = GB(p1,  0, 20);
01183   ModifyOrderFlags mof   = Extract<ModifyOrderFlags, 0, 4>(p2);
01184   uint16 data            = GB(p2,  4, 11);
01185 
01186   if (mof >= MOF_END) return CMD_ERROR;
01187 
01188   Vehicle *v = Vehicle::GetIfValid(veh);
01189   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
01190 
01191   CommandCost ret = CheckOwnership(v->owner);
01192   if (ret.Failed()) return ret;
01193 
01194   /* Is it a valid order? */
01195   if (sel_ord >= v->GetNumOrders()) return CMD_ERROR;
01196 
01197   Order *order = v->GetOrder(sel_ord);
01198   switch (order->GetType()) {
01199     case OT_GOTO_STATION:
01200       if (mof == MOF_COND_VARIABLE || mof == MOF_COND_COMPARATOR || mof == MOF_DEPOT_ACTION || mof == MOF_COND_VALUE) return CMD_ERROR;
01201       break;
01202 
01203     case OT_GOTO_DEPOT:
01204       if (mof != MOF_NON_STOP && mof != MOF_DEPOT_ACTION) return CMD_ERROR;
01205       break;
01206 
01207     case OT_GOTO_WAYPOINT:
01208       if (mof != MOF_NON_STOP) return CMD_ERROR;
01209       break;
01210 
01211     case OT_CONDITIONAL:
01212       if (mof != MOF_COND_VARIABLE && mof != MOF_COND_COMPARATOR && mof != MOF_COND_VALUE && mof != MOF_COND_DESTINATION) return CMD_ERROR;
01213       break;
01214 
01215     default:
01216       return CMD_ERROR;
01217   }
01218 
01219   switch (mof) {
01220     default: NOT_REACHED();
01221 
01222     case MOF_NON_STOP:
01223       if (!v->IsGroundVehicle()) return CMD_ERROR;
01224       if (data >= ONSF_END) return CMD_ERROR;
01225       if (data == order->GetNonStopType()) return CMD_ERROR;
01226       break;
01227 
01228     case MOF_STOP_LOCATION:
01229       if (v->type != VEH_TRAIN) return CMD_ERROR;
01230       if (data >= OSL_END) return CMD_ERROR;
01231       break;
01232 
01233     case MOF_UNLOAD:
01234       if ((data & ~(OUFB_UNLOAD | OUFB_TRANSFER | OUFB_NO_UNLOAD)) != 0) return CMD_ERROR;
01235       /* Unload and no-unload are mutual exclusive and so are transfer and no unload. */
01236       if (data != 0 && ((data & (OUFB_UNLOAD | OUFB_TRANSFER)) != 0) == ((data & OUFB_NO_UNLOAD) != 0)) return CMD_ERROR;
01237       if (data == order->GetUnloadType()) return CMD_ERROR;
01238       break;
01239 
01240     case MOF_LOAD:
01241       if (data > OLFB_NO_LOAD || data == 1) return CMD_ERROR;
01242       if (data == order->GetLoadType()) return CMD_ERROR;
01243       break;
01244 
01245     case MOF_DEPOT_ACTION:
01246       if (data >= DA_END) return CMD_ERROR;
01247       break;
01248 
01249     case MOF_COND_VARIABLE:
01250       if (data >= OCV_END) return CMD_ERROR;
01251       break;
01252 
01253     case MOF_COND_COMPARATOR:
01254       if (data >= OCC_END) return CMD_ERROR;
01255       switch (order->GetConditionVariable()) {
01256         case OCV_UNCONDITIONALLY: return CMD_ERROR;
01257 
01258         case OCV_REQUIRES_SERVICE:
01259           if (data != OCC_IS_TRUE && data != OCC_IS_FALSE) return CMD_ERROR;
01260           break;
01261 
01262         default:
01263           if (data == OCC_IS_TRUE || data == OCC_IS_FALSE) return CMD_ERROR;
01264           break;
01265       }
01266       break;
01267 
01268     case MOF_COND_VALUE:
01269       switch (order->GetConditionVariable()) {
01270         case OCV_UNCONDITIONALLY: return CMD_ERROR;
01271 
01272         case OCV_LOAD_PERCENTAGE:
01273         case OCV_RELIABILITY:
01274           if (data > 100) return CMD_ERROR;
01275           break;
01276 
01277         default:
01278           if (data > 2047) return CMD_ERROR;
01279           break;
01280       }
01281       break;
01282 
01283     case MOF_COND_DESTINATION:
01284       if (data >= v->GetNumOrders()) return CMD_ERROR;
01285       break;
01286   }
01287 
01288   if (flags & DC_EXEC) {
01289     switch (mof) {
01290       case MOF_NON_STOP:
01291         order->SetNonStopType((OrderNonStopFlags)data);
01292         if (data & ONSF_NO_STOP_AT_DESTINATION_STATION) InvalidateOrderRouteLinks(order->index);
01293         PrefillRouteLinks(v);
01294         break;
01295 
01296       case MOF_STOP_LOCATION:
01297         order->SetStopLocation((OrderStopLocation)data);
01298         break;
01299 
01300       case MOF_UNLOAD:
01301         order->SetUnloadType((OrderUnloadFlags)data);
01302         break;
01303 
01304       case MOF_LOAD:
01305         order->SetLoadType((OrderLoadFlags)data);
01306         break;
01307 
01308       case MOF_DEPOT_ACTION: {
01309         switch (data) {
01310           case DA_ALWAYS_GO:
01311             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
01312             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
01313             break;
01314 
01315           case DA_SERVICE:
01316             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() | ODTFB_SERVICE));
01317             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
01318             break;
01319 
01320           case DA_STOP:
01321             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
01322             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() | ODATFB_HALT));
01323             break;
01324 
01325           default:
01326             NOT_REACHED();
01327         }
01328         break;
01329       }
01330 
01331       case MOF_COND_VARIABLE: {
01332         order->SetConditionVariable((OrderConditionVariable)data);
01333 
01334         OrderConditionComparator occ = order->GetConditionComparator();
01335         switch (order->GetConditionVariable()) {
01336           case OCV_UNCONDITIONALLY:
01337             order->SetConditionComparator(OCC_EQUALS);
01338             order->SetConditionValue(0);
01339             break;
01340 
01341           case OCV_REQUIRES_SERVICE:
01342             if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) order->SetConditionComparator(OCC_IS_TRUE);
01343             break;
01344 
01345           case OCV_LOAD_PERCENTAGE:
01346           case OCV_RELIABILITY:
01347             if (order->GetConditionValue() > 100) order->SetConditionValue(100);
01348             /* FALL THROUGH */
01349           default:
01350             if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) order->SetConditionComparator(OCC_EQUALS);
01351             break;
01352         }
01353         break;
01354       }
01355 
01356       case MOF_COND_COMPARATOR:
01357         order->SetConditionComparator((OrderConditionComparator)data);
01358         break;
01359 
01360       case MOF_COND_VALUE:
01361         order->SetConditionValue(data);
01362         break;
01363 
01364       case MOF_COND_DESTINATION:
01365         order->SetConditionSkipToOrder(data);
01366         break;
01367 
01368       default: NOT_REACHED();
01369     }
01370 
01371     /* Update the windows and full load flags, also for vehicles that share the same order list */
01372     Vehicle *u = v->FirstShared();
01373     DeleteOrderWarnings(u);
01374     for (; u != NULL; u = u->NextShared()) {
01375       /* Toggle u->current_order "Full load" flag if it changed.
01376        * However, as the same flag is used for depot orders, check
01377        * whether we are not going to a depot as there are three
01378        * cases where the full load flag can be active and only
01379        * one case where the flag is used for depot orders. In the
01380        * other cases for the OrderTypeByte the flags are not used,
01381        * so do not care and those orders should not be active
01382        * when this function is called.
01383        */
01384       if (sel_ord == u->cur_real_order_index &&
01385           (u->current_order.IsType(OT_GOTO_STATION) || u->current_order.IsType(OT_LOADING)) &&
01386           u->current_order.GetLoadType() != order->GetLoadType()) {
01387         u->current_order.SetLoadType(order->GetLoadType());
01388       }
01389       InvalidateVehicleOrder(u, -2);
01390 
01391       /* Invalidate the next unload station of all packets as we might not unload there anymore. */
01392       InvalidateNextStation(u);
01393     }
01394   }
01395 
01396   return CommandCost();
01397 }
01398 
01410 CommandCost CmdCloneOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01411 {
01412   VehicleID veh_src = GB(p2, 0, 20);
01413   VehicleID veh_dst = GB(p1, 0, 20);
01414 
01415   Vehicle *dst = Vehicle::GetIfValid(veh_dst);
01416   if (dst == NULL || !dst->IsPrimaryVehicle()) return CMD_ERROR;
01417 
01418   CommandCost ret = CheckOwnership(dst->owner);
01419   if (ret.Failed()) return ret;
01420 
01421   switch (GB(p1, 30, 2)) {
01422     case CO_SHARE: {
01423       Vehicle *src = Vehicle::GetIfValid(veh_src);
01424 
01425       /* Sanity checks */
01426       if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
01427 
01428       CommandCost ret = CheckOwnership(src->owner);
01429       if (ret.Failed()) return ret;
01430 
01431       /* Trucks can't share orders with busses (and visa versa) */
01432       if (src->type == VEH_ROAD && RoadVehicle::From(src)->IsBus() != RoadVehicle::From(dst)->IsBus()) {
01433         return CMD_ERROR;
01434       }
01435 
01436       /* Is the vehicle already in the shared list? */
01437       if (src->FirstShared() == dst->FirstShared()) return CMD_ERROR;
01438 
01439       const Order *order;
01440 
01441       FOR_VEHICLE_ORDERS(src, order) {
01442         if (OrderGoesToStation(dst, order) &&
01443             !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) {
01444           return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
01445         }
01446       }
01447 
01448       if (src->orders.list == NULL && !OrderList::CanAllocateItem()) {
01449         return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
01450       }
01451 
01452       if (flags & DC_EXEC) {
01453         /* If the destination vehicle had a OrderList, destroy it.
01454          * We only reset the order indices, if the new orders are obviously different.
01455          * (We mainly do this to keep the order indices valid and in range.) */
01456         DeleteVehicleOrders(dst, false, dst->GetNumOrders() != src->GetNumOrders());
01457 
01458         dst->orders.list = src->orders.list;
01459 
01460         /* Link this vehicle in the shared-list */
01461         dst->AddToShared(src);
01462         PrefillRouteLinks(dst);
01463 
01464         InvalidateVehicleOrder(dst, -1);
01465         InvalidateVehicleOrder(src, -2);
01466 
01467         InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
01468       }
01469       break;
01470     }
01471 
01472     case CO_COPY: {
01473       Vehicle *src = Vehicle::GetIfValid(veh_src);
01474 
01475       /* Sanity checks */
01476       if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
01477 
01478       CommandCost ret = CheckOwnership(src->owner);
01479       if (ret.Failed()) return ret;
01480 
01481       /* Trucks can't copy all the orders from busses (and visa versa),
01482        * and neither can helicopters and aircarft. */
01483       const Order *order;
01484       FOR_VEHICLE_ORDERS(src, order) {
01485         if (OrderGoesToStation(dst, order) &&
01486             !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) {
01487           return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
01488         }
01489       }
01490 
01491       /* make sure there are orders available */
01492       int delta = dst->IsOrderListShared() ? src->GetNumOrders() + 1 : src->GetNumOrders() - dst->GetNumOrders();
01493       if (!Order::CanAllocateItem(delta) ||
01494           ((dst->orders.list == NULL || dst->IsOrderListShared()) && !OrderList::CanAllocateItem())) {
01495         return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
01496       }
01497 
01498       if (flags & DC_EXEC) {
01499         const Order *order;
01500         Order *first = NULL;
01501         Order **order_dst;
01502 
01503         /* If the destination vehicle had an order list, destroy the chain but keep the OrderList.
01504          * We only reset the order indices, if the new orders are obviously different.
01505          * (We mainly do this to keep the order indices valid and in range.) */
01506         DeleteVehicleOrders(dst, true, dst->GetNumOrders() != src->GetNumOrders());
01507 
01508         order_dst = &first;
01509         FOR_VEHICLE_ORDERS(src, order) {
01510           *order_dst = new Order();
01511           (*order_dst)->AssignOrder(*order);
01512           order_dst = &(*order_dst)->next;
01513         }
01514         if (dst->orders.list == NULL) {
01515           dst->orders.list = new OrderList(first, dst);
01516         } else {
01517           assert(dst->orders.list->GetFirstOrder() == NULL);
01518           assert(!dst->orders.list->IsShared());
01519           delete dst->orders.list;
01520           assert(OrderList::CanAllocateItem());
01521           dst->orders.list = new OrderList(first, dst);
01522         }
01523 
01524         PrefillRouteLinks(dst);
01525         InvalidateVehicleOrder(dst, -1);
01526 
01527         InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
01528       }
01529       break;
01530     }
01531 
01532     case CO_UNSHARE: return DecloneOrder(dst, flags);
01533     default: return CMD_ERROR;
01534   }
01535 
01536   return CommandCost();
01537 }
01538 
01551 CommandCost CmdOrderRefit(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01552 {
01553   VehicleID veh = GB(p1, 0, 20);
01554   VehicleOrderID order_number  = GB(p2, 16, 8);
01555   CargoID cargo = GB(p2, 0, 8);
01556   byte subtype  = GB(p2, 8, 8);
01557 
01558   if (cargo >= NUM_CARGO && cargo != CT_NO_REFIT) return CMD_ERROR;
01559 
01560   const Vehicle *v = Vehicle::GetIfValid(veh);
01561   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
01562 
01563   CommandCost ret = CheckOwnership(v->owner);
01564   if (ret.Failed()) return ret;
01565 
01566   Order *order = v->GetOrder(order_number);
01567   if (order == NULL) return CMD_ERROR;
01568 
01569   if (flags & DC_EXEC) {
01570     order->SetRefit(cargo, subtype);
01571 
01572     for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
01573       /* Update any possible open window of the vehicle */
01574       InvalidateVehicleOrder(u, -2);
01575 
01576       /* If the vehicle already got the current depot set as current order, then update current order as well */
01577       if (u->cur_real_order_index == order_number && (u->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) {
01578         u->current_order.SetRefit(cargo, subtype);
01579       }
01580     }
01581   }
01582 
01583   return CommandCost();
01584 }
01585 
01586 
01592 void CheckOrders(const Vehicle *v)
01593 {
01594   /* Does the user wants us to check things? */
01595   if (_settings_client.gui.order_review_system == 0) return;
01596 
01597   /* Do nothing for crashed vehicles */
01598   if (v->vehstatus & VS_CRASHED) return;
01599 
01600   /* Do nothing for stopped vehicles if setting is '1' */
01601   if (_settings_client.gui.order_review_system == 1 && (v->vehstatus & VS_STOPPED)) return;
01602 
01603   /* do nothing we we're not the first vehicle in a share-chain */
01604   if (v->FirstShared() != v) return;
01605 
01606   /* Only check every 20 days, so that we don't flood the message log */
01607   if (v->owner == _local_company && v->day_counter % 20 == 0) {
01608     int n_st, problem_type = -1;
01609     const Order *order;
01610     int message = 0;
01611 
01612     /* Check the order list */
01613     n_st = 0;
01614 
01615     FOR_VEHICLE_ORDERS(v, order) {
01616       /* Dummy order? */
01617       if (order->IsType(OT_DUMMY)) {
01618         problem_type = 1;
01619         break;
01620       }
01621       /* Does station have a load-bay for this vehicle? */
01622       if (order->IsType(OT_GOTO_STATION)) {
01623         const Station *st = Station::Get(order->GetDestination());
01624 
01625         n_st++;
01626         if (!CanVehicleUseStation(v, st)) problem_type = 3;
01627       }
01628     }
01629 
01630     /* Check if the last and the first order are the same */
01631     if (v->GetNumOrders() > 1) {
01632       const Order *last = v->GetLastOrder();
01633 
01634       if (v->orders.list->GetFirstOrder()->Equals(*last)) {
01635         problem_type = 2;
01636       }
01637     }
01638 
01639     /* Do we only have 1 station in our order list? */
01640     if (n_st < 2 && problem_type == -1) problem_type = 0;
01641 
01642 #ifndef NDEBUG
01643     if (v->orders.list != NULL) v->orders.list->DebugCheckSanity();
01644 #endif
01645 
01646     /* We don't have a problem */
01647     if (problem_type < 0) return;
01648 
01649     message = STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS + problem_type;
01650     //DEBUG(misc, 3, "Triggered News Item for vehicle %d", v->index);
01651 
01652     SetDParam(0, v->index);
01653     AddVehicleNewsItem(
01654       message,
01655       NS_ADVICE,
01656       v->index
01657     );
01658   }
01659 }
01660 
01666 void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination)
01667 {
01668   Vehicle *v;
01669 
01670   /* Aircraft have StationIDs for depot orders and never use DepotIDs
01671    * This fact is handled specially below
01672    */
01673 
01674   /* Go through all vehicles */
01675   FOR_ALL_VEHICLES(v) {
01676     Order *order;
01677 
01678     order = &v->current_order;
01679     if ((v->type == VEH_AIRCRAFT && order->IsType(OT_GOTO_DEPOT) ? OT_GOTO_STATION : order->GetType()) == type &&
01680         v->current_order.GetDestination() == destination) {
01681       order->MakeDummy();
01682       SetWindowDirty(WC_VEHICLE_VIEW, v->index);
01683     }
01684 
01685     /* Clear the order from the order-list */
01686     int id = -1;
01687     FOR_VEHICLE_ORDERS(v, order) {
01688       id++;
01689 restart:
01690 
01691       OrderType ot = order->GetType();
01692       if (ot == OT_GOTO_DEPOT && (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) continue;
01693       if (ot == OT_AUTOMATIC || (v->type == VEH_AIRCRAFT && ot == OT_GOTO_DEPOT)) ot = OT_GOTO_STATION;
01694       if (ot == type && order->GetDestination() == destination) {
01695         /* We want to clear automatic orders, but we don't want to make them
01696          * dummy orders. They should just vanish. Also check the actual order
01697          * type as ot is currently OT_GOTO_STATION. */
01698         if (order->IsType(OT_AUTOMATIC)) {
01699           order = order->next; // DeleteOrder() invalidates current order
01700           DeleteOrder(v, id);
01701           if (order != NULL) goto restart;
01702           break;
01703         }
01704 
01705         order->MakeDummy();
01706         for (const Vehicle *w = v->FirstShared(); w != NULL; w = w->NextShared()) {
01707           /* In GUI, simulate by removing the order and adding it back */
01708           InvalidateVehicleOrder(w, id | (INVALID_VEH_ORDER_ID << 8));
01709           InvalidateVehicleOrder(w, (INVALID_VEH_ORDER_ID << 8) | id);
01710         }
01711       }
01712     }
01713   }
01714 }
01715 
01720 bool Vehicle::HasDepotOrder() const
01721 {
01722   const Order *order;
01723 
01724   FOR_VEHICLE_ORDERS(this, order) {
01725     if (order->IsType(OT_GOTO_DEPOT)) return true;
01726   }
01727 
01728   return false;
01729 }
01730 
01740 void DeleteVehicleOrders(Vehicle *v, bool keep_orderlist, bool reset_order_indices)
01741 {
01742   DeleteOrderWarnings(v);
01743 
01744   if (v->IsOrderListShared()) {
01745     /* Remove ourself from the shared order list. */
01746     v->RemoveFromShared();
01747     v->orders.list = NULL;
01748   } else if (v->orders.list != NULL) {
01749     /* Remove the orders */
01750     v->orders.list->FreeChain(keep_orderlist);
01751     if (!keep_orderlist) v->orders.list = NULL;
01752   }
01753 
01754   /* Invalidate the next unload station of all cargo. */
01755   InvalidateNextStation(v);
01756 
01757   if (reset_order_indices) {
01758     v->cur_auto_order_index = v->cur_real_order_index = 0;
01759     if (v->current_order.IsType(OT_LOADING)) {
01760       CancelLoadingDueToDeletedOrder(v);
01761     }
01762   }
01763 }
01764 
01772 uint16 GetServiceIntervalClamped(uint interval, CompanyID company_id)
01773 {
01774   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);
01775 }
01776 
01785 static bool CheckForValidOrders(const Vehicle *v)
01786 {
01787   const Order *order;
01788 
01789   FOR_VEHICLE_ORDERS(v, order) {
01790     switch (order->GetType()) {
01791       case OT_GOTO_STATION:
01792       case OT_GOTO_DEPOT:
01793       case OT_GOTO_WAYPOINT:
01794         return true;
01795 
01796       default:
01797         break;
01798     }
01799   }
01800 
01801   return false;
01802 }
01803 
01807 static bool OrderConditionCompare(OrderConditionComparator occ, int variable, int value)
01808 {
01809   switch (occ) {
01810     case OCC_EQUALS:      return variable == value;
01811     case OCC_NOT_EQUALS:  return variable != value;
01812     case OCC_LESS_THAN:   return variable <  value;
01813     case OCC_LESS_EQUALS: return variable <= value;
01814     case OCC_MORE_THAN:   return variable >  value;
01815     case OCC_MORE_EQUALS: return variable >= value;
01816     case OCC_IS_TRUE:     return variable != 0;
01817     case OCC_IS_FALSE:    return variable == 0;
01818     default: NOT_REACHED();
01819   }
01820 }
01821 
01828 VehicleOrderID ProcessConditionalOrder(const Order *order, const Vehicle *v)
01829 {
01830   if (order->GetType() != OT_CONDITIONAL) return INVALID_VEH_ORDER_ID;
01831 
01832   bool skip_order = false;
01833   OrderConditionComparator occ = order->GetConditionComparator();
01834   uint16 value = order->GetConditionValue();
01835 
01836   switch (order->GetConditionVariable()) {
01837     case OCV_LOAD_PERCENTAGE:  skip_order = OrderConditionCompare(occ, CalcPercentVehicleFilled(v, NULL), value); break;
01838     case OCV_RELIABILITY:      skip_order = OrderConditionCompare(occ, ToPercent16(v->reliability),       value); break;
01839     case OCV_MAX_SPEED:        skip_order = OrderConditionCompare(occ, v->GetDisplayMaxSpeed() * 10 / 16, value); break;
01840     case OCV_AGE:              skip_order = OrderConditionCompare(occ, v->age / DAYS_IN_LEAP_YEAR,        value); break;
01841     case OCV_REQUIRES_SERVICE: skip_order = OrderConditionCompare(occ, v->NeedsServicing(),               value); break;
01842     case OCV_UNCONDITIONALLY:  skip_order = true; break;
01843     default: NOT_REACHED();
01844   }
01845 
01846   return skip_order ? order->GetConditionSkipToOrder() : (VehicleOrderID)INVALID_VEH_ORDER_ID;
01847 }
01848 
01855 bool UpdateOrderDest(Vehicle *v, const Order *order, int conditional_depth)
01856 {
01857   if (conditional_depth > v->GetNumOrders()) return false;
01858 
01859   switch (order->GetType()) {
01860     case OT_GOTO_STATION:
01861       v->dest_tile = v->GetOrderStationLocation(order->GetDestination());
01862       return true;
01863 
01864     case OT_GOTO_DEPOT:
01865       if ((order->GetDepotOrderType() & ODTFB_SERVICE) && !v->NeedsServicing()) {
01866         UpdateVehicleTimetable(v, true);
01867         v->IncrementRealOrderIndex();
01868         break;
01869       }
01870 
01871       if (v->current_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) {
01872         /* We need to search for the nearest depot (hangar). */
01873         TileIndex location;
01874         DestinationID destination;
01875         bool reverse;
01876 
01877         if (v->FindClosestDepot(&location, &destination, &reverse)) {
01878           v->dest_tile = location;
01879           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());
01880 
01881           /* If there is no depot in front, reverse automatically (trains only) */
01882           if (v->type == VEH_TRAIN && reverse) DoCommand(v->tile, v->index, 0, DC_EXEC, CMD_REVERSE_TRAIN_DIRECTION);
01883 
01884           if (v->type == VEH_AIRCRAFT) {
01885             Aircraft *a = Aircraft::From(v);
01886             if (a->state == FLYING && a->targetairport != destination) {
01887               /* The aircraft is now heading for a different hangar than the next in the orders */
01888               extern void AircraftNextAirportPos_and_Order(Aircraft *a);
01889               AircraftNextAirportPos_and_Order(a);
01890             }
01891           }
01892           return true;
01893         }
01894 
01895         UpdateVehicleTimetable(v, true);
01896         v->IncrementRealOrderIndex();
01897       } else {
01898         if (v->type != VEH_AIRCRAFT) {
01899           v->dest_tile = Depot::Get(order->GetDestination())->xy;
01900         }
01901         return true;
01902       }
01903       break;
01904 
01905     case OT_GOTO_WAYPOINT:
01906       v->dest_tile = Waypoint::Get(order->GetDestination())->xy;
01907       return true;
01908 
01909     case OT_CONDITIONAL: {
01910       VehicleOrderID next_order = ProcessConditionalOrder(order, v);
01911       if (next_order != INVALID_VEH_ORDER_ID) {
01912         /* Jump to next_order. cur_auto_order_index becomes exactly that order,
01913          * cur_real_order_index might come after next_order. */
01914         UpdateVehicleTimetable(v, false);
01915         v->cur_auto_order_index = v->cur_real_order_index = next_order;
01916         v->UpdateRealOrderIndex();
01917         v->current_order_time += v->GetOrder(v->cur_real_order_index)->travel_time;
01918 
01919         /* Disable creation of automatic orders.
01920          * When inserting them we do not know that we would have to make the conditional orders point to them. */
01921         if (v->IsGroundVehicle()) {
01922           uint16 &gv_flags = v->GetGroundVehicleFlags();
01923           SetBit(gv_flags, GVF_SUPPRESS_AUTOMATIC_ORDERS);
01924         }
01925       } else {
01926         UpdateVehicleTimetable(v, true);
01927         v->IncrementRealOrderIndex();
01928       }
01929       break;
01930     }
01931 
01932     default:
01933       v->dest_tile = 0;
01934       return false;
01935   }
01936 
01937   assert(v->cur_auto_order_index < v->GetNumOrders());
01938   assert(v->cur_real_order_index < v->GetNumOrders());
01939 
01940   /* Get the current order */
01941   order = v->GetOrder(v->cur_real_order_index);
01942   if (order != NULL && order->IsType(OT_AUTOMATIC)) {
01943     assert(v->GetNumManualOrders() == 0);
01944     order = NULL;
01945   }
01946 
01947   if (order == NULL) {
01948     v->current_order.Free();
01949     v->dest_tile = 0;
01950     return false;
01951   }
01952 
01953   v->current_order = *order;
01954   /* Set the index of the current order to the index of the auto order,
01955    * this is needed as the index is used for route link generation. */
01956   Order *auto_order = v->GetOrder(v->cur_auto_order_index);
01957   v->current_order.index = auto_order->index;
01958 
01959   return UpdateOrderDest(v, order, conditional_depth + 1);
01960 }
01961 
01969 bool ProcessOrders(Vehicle *v)
01970 {
01971   switch (v->current_order.GetType()) {
01972     case OT_GOTO_DEPOT:
01973       /* Let a depot order in the orderlist interrupt. */
01974       if (!(v->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) return false;
01975       break;
01976 
01977     case OT_LOADING:
01978       return false;
01979 
01980     case OT_LEAVESTATION:
01981       if (v->type != VEH_AIRCRAFT) return false;
01982       break;
01983 
01984     default: break;
01985   }
01986 
01994   bool may_reverse = v->current_order.IsType(OT_NOTHING);
01995 
01996   /* Check if we've reached a 'via' destination. */
01997   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)) &&
01998       IsTileType(v->tile, MP_STATION) &&
01999       v->current_order.GetDestination() == GetStationIndex(v->tile)) {
02000     v->DeleteUnreachedAutoOrders();
02001     /* We set the last visited station here because we do not want
02002      * the train to stop at this 'via' station if the next order
02003      * is a no-non-stop order; in that case not setting the last
02004      * visited station will cause the vehicle to still stop. */
02005     v->last_station_visited = v->current_order.GetDestination();
02006     UpdateVehicleTimetable(v, true);
02007     v->IncrementAutoOrderIndex();
02008   }
02009 
02010   /* Get the current order */
02011   assert(v->cur_auto_order_index == 0 || v->cur_auto_order_index < v->GetNumOrders());
02012   v->UpdateRealOrderIndex();
02013 
02014   const Order *order = v->GetOrder(v->cur_real_order_index);
02015   if (order != NULL && order->IsType(OT_AUTOMATIC)) {
02016     assert(v->GetNumManualOrders() == 0);
02017     order = NULL;
02018   }
02019 
02020   /* If no order, do nothing. */
02021   if (order == NULL || (v->type == VEH_AIRCRAFT && !CheckForValidOrders(v))) {
02022     if (v->type == VEH_AIRCRAFT) {
02023       /* Aircraft do something vastly different here, so handle separately */
02024       extern void HandleMissingAircraftOrders(Aircraft *v);
02025       HandleMissingAircraftOrders(Aircraft::From(v));
02026       return false;
02027     }
02028 
02029     v->current_order.Free();
02030     v->dest_tile = 0;
02031     return false;
02032   }
02033 
02034   /* If it is unchanged, keep it. */
02035   if (order->Equals(v->current_order) && (v->type == VEH_AIRCRAFT || v->dest_tile != 0) &&
02036       (v->type != VEH_SHIP || !order->IsType(OT_GOTO_STATION) || Station::Get(order->GetDestination())->dock_tile != INVALID_TILE)) {
02037     return false;
02038   }
02039 
02040   /* Otherwise set it, and determine the destination tile. */
02041   v->current_order = *order;
02042   /* Set the index of the current order to the index of the auto order,
02043    * this is needed as the index is used for route link generation. */
02044   Order *auto_order = v->GetOrder(v->cur_auto_order_index);
02045   v->current_order.index = auto_order->index;
02046 
02047   InvalidateVehicleOrder(v, -2);
02048   switch (v->type) {
02049     default:
02050       NOT_REACHED();
02051 
02052     case VEH_ROAD:
02053     case VEH_TRAIN:
02054       break;
02055 
02056     case VEH_AIRCRAFT:
02057     case VEH_SHIP:
02058       SetWindowClassesDirty(GetWindowClassForVehicleType(v->type));
02059       break;
02060   }
02061 
02062   return UpdateOrderDest(v, order) && may_reverse;
02063 }
02064 
02072 bool Order::ShouldStopAtStation(const Vehicle *v, StationID station) const
02073 {
02074   bool is_dest_station = this->IsType(OT_GOTO_STATION) && this->dest == station;
02075 
02076   return (!this->IsType(OT_GOTO_DEPOT) || (this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0) &&
02077       v->last_station_visited != station && // Do stop only when we've not just been there
02078       /* Finally do stop when there is no non-stop flag set for this type of station. */
02079       !(this->GetNonStopType() & (is_dest_station ? ONSF_NO_STOP_AT_DESTINATION_STATION : ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS));
02080 }

Generated on Mon May 9 05:18:57 2011 for OpenTTD by  doxygen 1.6.1