# order_cmd.cpp

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    00001 /* $Id: order_cmd.cpp 23740 2012-01-03 21:32:51Z 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 "strings_func.h"
    00019 #include "timetable.h"
    00020 #include "vehicle_func.h"
    00021 #include "depot_base.h"
    00022 #include "core/pool_func.hpp"
    00023 #include "aircraft.h"
    00024 #include "roadveh.h"
    00025 #include "station_base.h"
    00026 #include "waypoint_base.h"
    00027 #include "company_base.h"
    00028 #include "order_backup.h"
    00029
    00030 #include "table/strings.h"
    00031
    00032 /* DestinationID must be at least as large as every these below, because it can
    00033  * be any of them
    00034  */
    00035 assert_compile(sizeof(DestinationID) >= sizeof(DepotID));
    00036 assert_compile(sizeof(DestinationID) >= sizeof(StationID));
    00037
    00038 OrderPool _order_pool("Order");
    00039 INSTANTIATE_POOL_METHODS(Order)
    00040 OrderListPool _orderlist_pool("OrderList");
    00041 INSTANTIATE_POOL_METHODS(OrderList)
    00042
    00044 Order::~Order()
    00045 {
    00046   if (CleaningPool()) return;
    00047
    00048   /* We can visit oil rigs and buoys that are not our own. They will be shown in
    00049    * the list of stations. So, we need to invalidate that window if needed. */
    00050   if (this->IsType(OT_GOTO_STATION) || this->IsType(OT_GOTO_WAYPOINT)) {
    00051     BaseStation *bs = BaseStation::GetIfValid(this->GetDestination());
    00052     if (bs != NULL && bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
    00053   }
    00054 }
    00055
    00060 void Order::Free()
    00061 {
    00062   this->type  = OT_NOTHING;
    00063   this->flags = 0;
    00064   this->dest  = 0;
    00065   this->next  = NULL;
    00066 }
    00067
    00072 void Order::MakeGoToStation(StationID destination)
    00073 {
    00074   this->type = OT_GOTO_STATION;
    00075   this->flags = 0;
    00076   this->dest = destination;
    00077 }
    00078
    00088 void Order::MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type, OrderDepotActionFlags action, CargoID cargo, byte subtype)
    00089 {
    00090   this->type = OT_GOTO_DEPOT;
    00091   this->SetDepotOrderType(order);
    00092   this->SetDepotActionType(action);
    00093   this->SetNonStopType(non_stop_type);
    00094   this->dest = destination;
    00095   this->SetRefit(cargo, subtype);
    00096 }
    00097
    00102 void Order::MakeGoToWaypoint(StationID destination)
    00103 {
    00104   this->type = OT_GOTO_WAYPOINT;
    00105   this->flags = 0;
    00106   this->dest = destination;
    00107 }
    00108
    00113 void Order::MakeLoading(bool ordered)
    00114 {
    00115   this->type = OT_LOADING;
    00116   if (!ordered) this->flags = 0;
    00117 }
    00118
    00122 void Order::MakeLeaveStation()
    00123 {
    00124   this->type = OT_LEAVESTATION;
    00125   this->flags = 0;
    00126 }
    00127
    00131 void Order::MakeDummy()
    00132 {
    00133   this->type = OT_DUMMY;
    00134   this->flags = 0;
    00135 }
    00136
    00141 void Order::MakeConditional(VehicleOrderID order)
    00142 {
    00143   this->type = OT_CONDITIONAL;
    00144   this->flags = order;
    00145   this->dest = 0;
    00146 }
    00147
    00152 void Order::MakeImplicit(StationID destination)
    00153 {
    00154   this->type = OT_IMPLICIT;
    00155   this->dest = destination;
    00156 }
    00157
    00164 void Order::SetRefit(CargoID cargo, byte subtype)
    00165 {
    00166   this->refit_cargo = cargo;
    00167   this->refit_subtype = subtype;
    00168 }
    00169
    00175 bool Order::Equals(const Order &other) const
    00176 {
    00177   /* In case of go to nearest depot orders we need "only" compare the flags
    00178    * with the other and not the nearest depot order bit or the actual
    00179    * destination because those get clear/filled in during the order
    00180    * evaluation. If we do not do this the order will continuously be seen as
    00181    * a different order and it will try to find a "nearest depot" every tick. */
    00182   if ((this->IsType(OT_GOTO_DEPOT) && this->type == other.type) &&
    00183       ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0 ||
    00184        (other.GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0)) {
    00185     return this->GetDepotOrderType() == other.GetDepotOrderType() &&
    00186         (this->GetDepotActionType() & ~ODATFB_NEAREST_DEPOT) == (other.GetDepotActionType() & ~ODATFB_NEAREST_DEPOT);
    00187   }
    00188
    00189   return this->type == other.type && this->flags == other.flags && this->dest == other.dest;
    00190 }
    00191
    00198 uint32 Order::Pack() const
    00199 {
    00200   return this->dest << 16 | this->flags << 8 | this->type;
    00201 }
    00202
    00208 uint16 Order::MapOldOrder() const
    00209 {
    00210   uint16 order = this->GetType();
    00211   switch (this->type) {
    00212     case OT_GOTO_STATION:
    00213       if (this->GetUnloadType() & OUFB_UNLOAD) SetBit(order, 5);
    00214       if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
    00215       if (this->GetNonStopType() & ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS) SetBit(order, 7);
    00216       order |= GB(this->GetDestination(), 0, 8) << 8;
    00217       break;
    00218     case OT_GOTO_DEPOT:
    00219       if (!(this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) SetBit(order, 6);
    00220       SetBit(order, 7);
    00221       order |= GB(this->GetDestination(), 0, 8) << 8;
    00222       break;
    00223     case OT_LOADING:
    00224       if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
    00225       break;
    00226   }
    00227   return order;
    00228 }
    00229
    00234 Order::Order(uint32 packed)
    00235 {
    00236   this->type    = (OrderType)GB(packed,  0,  8);
    00237   this->flags   = GB(packed,  8,  8);
    00238   this->dest    = GB(packed, 16, 16);
    00239   this->next    = NULL;
    00240   this->refit_cargo   = CT_NO_REFIT;
    00241   this->refit_subtype = 0;
    00242   this->wait_time     = 0;
    00243   this->travel_time   = 0;
    00244 }
    00245
    00251 void InvalidateVehicleOrder(const Vehicle *v, int data)
    00252 {
    00253   SetWindowDirty(WC_VEHICLE_VIEW, v->index);
    00254
    00255   if (data != 0) {
    00256     /* Calls SetDirty() too */
    00257     InvalidateWindowData(WC_VEHICLE_ORDERS,    v->index, data);
    00258     InvalidateWindowData(WC_VEHICLE_TIMETABLE, v->index, data);
    00259     return;
    00260   }
    00261
    00262   SetWindowDirty(WC_VEHICLE_ORDERS,    v->index);
    00263   SetWindowDirty(WC_VEHICLE_TIMETABLE, v->index);
    00264 }
    00265
    00273 void Order::AssignOrder(const Order &other)
    00274 {
    00275   this->type  = other.type;
    00276   this->flags = other.flags;
    00277   this->dest  = other.dest;
    00278
    00279   this->refit_cargo   = other.refit_cargo;
    00280   this->refit_subtype = other.refit_subtype;
    00281
    00282   this->wait_time   = other.wait_time;
    00283   this->travel_time = other.travel_time;
    00284 }
    00285
    00291 void OrderList::Initialize(Order *chain, Vehicle *v)
    00292 {
    00293   this->first = chain;
    00294   this->first_shared = v;
    00295
    00296   this->num_orders = 0;
    00297   this->num_manual_orders = 0;
    00298   this->num_vehicles = 1;
    00299   this->timetable_duration = 0;
    00300
    00301   for (Order *o = this->first; o != NULL; o = o->next) {
    00302     ++this->num_orders;
    00303     if (!o->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
    00304     this->timetable_duration += o->wait_time + o->travel_time;
    00305   }
    00306
    00307   for (Vehicle *u = this->first_shared->PreviousShared(); u != NULL; u = u->PreviousShared()) {
    00308     ++this->num_vehicles;
    00309     this->first_shared = u;
    00310   }
    00311
    00312   for (const Vehicle *u = v->NextShared(); u != NULL; u = u->NextShared()) ++this->num_vehicles;
    00313 }
    00314
    00320 void OrderList::FreeChain(bool keep_orderlist)
    00321 {
    00322   Order *next;
    00323   for (Order *o = this->first; o != NULL; o = next) {
    00324     next = o->next;
    00325     delete o;
    00326   }
    00327
    00328   if (keep_orderlist) {
    00329     this->first = NULL;
    00330     this->num_orders = 0;
    00331     this->num_manual_orders = 0;
    00332     this->timetable_duration = 0;
    00333   } else {
    00334     delete this;
    00335   }
    00336 }
    00337
    00343 Order *OrderList::GetOrderAt(int index) const
    00344 {
    00345   if (index < 0) return NULL;
    00346
    00347   Order *order = this->first;
    00348
    00349   while (order != NULL && index-- > 0) {
    00350     order = order->next;
    00351   }
    00352   return order;
    00353 }
    00354
    00360 void OrderList::InsertOrderAt(Order *new_order, int index)
    00361 {
    00362   if (this->first == NULL) {
    00363     this->first = new_order;
    00364   } else {
    00365     if (index == 0) {
    00366       /* Insert as first or only order */
    00367       new_order->next = this->first;
    00368       this->first = new_order;
    00369     } else if (index >= this->num_orders) {
    00370       /* index is after the last order, add it to the end */
    00371       this->GetLastOrder()->next = new_order;
    00372     } else {
    00373       /* Put the new order in between */
    00374       Order *order = this->GetOrderAt(index - 1);
    00375       new_order->next = order->next;
    00376       order->next = new_order;
    00377     }
    00378   }
    00379   ++this->num_orders;
    00380   if (!new_order->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
    00381   this->timetable_duration += new_order->wait_time + new_order->travel_time;
    00382
    00383   /* We can visit oil rigs and buoys that are not our own. They will be shown in
    00384    * the list of stations. So, we need to invalidate that window if needed. */
    00385   if (new_order->IsType(OT_GOTO_STATION) || new_order->IsType(OT_GOTO_WAYPOINT)) {
    00386     BaseStation *bs = BaseStation::Get(new_order->GetDestination());
    00387     if (bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
    00388   }
    00389
    00390 }
    00391
    00392
    00397 void OrderList::DeleteOrderAt(int index)
    00398 {
    00399   if (index >= this->num_orders) return;
    00400
    00401   Order *to_remove;
    00402
    00403   if (index == 0) {
    00404     to_remove = this->first;
    00405     this->first = to_remove->next;
    00406   } else {
    00407     Order *prev = GetOrderAt(index - 1);
    00408     to_remove = prev->next;
    00409     prev->next = to_remove->next;
    00410   }
    00411   --this->num_orders;
    00412   if (!to_remove->IsType(OT_IMPLICIT)) --this->num_manual_orders;
    00413   this->timetable_duration -= (to_remove->wait_time + to_remove->travel_time);
    00414   delete to_remove;
    00415 }
    00416
    00422 void OrderList::MoveOrder(int from, int to)
    00423 {
    00424   if (from >= this->num_orders || to >= this->num_orders || from == to) return;
    00425
    00426   Order *moving_one;
    00427
    00428   /* Take the moving order out of the pointer-chain */
    00429   if (from == 0) {
    00430     moving_one = this->first;
    00431     this->first = moving_one->next;
    00432   } else {
    00433     Order *one_before = GetOrderAt(from - 1);
    00434     moving_one = one_before->next;
    00435     one_before->next = moving_one->next;
    00436   }
    00437
    00438   /* Insert the moving_order again in the pointer-chain */
    00439   if (to == 0) {
    00440     moving_one->next = this->first;
    00441     this->first = moving_one;
    00442   } else {
    00443     Order *one_before = GetOrderAt(to - 1);
    00444     moving_one->next = one_before->next;
    00445     one_before->next = moving_one;
    00446   }
    00447 }
    00448
    00454 void OrderList::RemoveVehicle(Vehicle *v)
    00455 {
    00456   --this->num_vehicles;
    00457   if (v == this->first_shared) this->first_shared = v->NextShared();
    00458 }
    00459
    00464 bool OrderList::IsVehicleInSharedOrdersList(const Vehicle *v) const
    00465 {
    00466   for (const Vehicle *v_shared = this->first_shared; v_shared != NULL; v_shared = v_shared->NextShared()) {
    00467     if (v_shared == v) return true;
    00468   }
    00469
    00470   return false;
    00471 }
    00472
    00478 int OrderList::GetPositionInSharedOrderList(const Vehicle *v) const
    00479 {
    00480   int count = 0;
    00481   for (const Vehicle *v_shared = v->PreviousShared(); v_shared != NULL; v_shared = v_shared->PreviousShared()) count++;
    00482   return count;
    00483 }
    00484
    00489 bool OrderList::IsCompleteTimetable() const
    00490 {
    00491   for (Order *o = this->first; o != NULL; o = o->next) {
    00492     /* Implicit orders are, by definition, not timetabled. */
    00493     if (o->IsType(OT_IMPLICIT)) continue;
    00494     if (!o->IsCompletelyTimetabled()) return false;
    00495   }
    00496   return true;
    00497 }
    00498
    00502 void OrderList::DebugCheckSanity() const
    00503 {
    00504   VehicleOrderID check_num_orders = 0;
    00505   VehicleOrderID check_num_manual_orders = 0;
    00506   uint check_num_vehicles = 0;
    00507   Ticks check_timetable_duration = 0;
    00508
    00509   DEBUG(misc, 6, "Checking OrderList %hu for sanity...", this->index);
    00510
    00511   for (const Order *o = this->first; o != NULL; o = o->next) {
    00512     ++check_num_orders;
    00513     if (!o->IsType(OT_IMPLICIT)) ++check_num_manual_orders;
    00514     check_timetable_duration += o->wait_time + o->travel_time;
    00515   }
    00516   assert(this->num_orders == check_num_orders);
    00517   assert(this->num_manual_orders == check_num_manual_orders);
    00518   assert(this->timetable_duration == check_timetable_duration);
    00519
    00520   for (const Vehicle *v = this->first_shared; v != NULL; v = v->NextShared()) {
    00521     ++check_num_vehicles;
    00522     assert(v->orders.list == this);
    00523   }
    00524   assert(this->num_vehicles == check_num_vehicles);
    00525   DEBUG(misc, 6, "... detected %u orders (%u manual), %u vehicles, %i ticks",
    00526       (uint)this->num_orders, (uint)this->num_manual_orders,
    00527       this->num_vehicles, this->timetable_duration);
    00528 }
    00529
    00537 static inline bool OrderGoesToStation(const Vehicle *v, const Order *o)
    00538 {
    00539   return o->IsType(OT_GOTO_STATION) ||
    00540       (v->type == VEH_AIRCRAFT && o->IsType(OT_GOTO_DEPOT) && !(o->GetDepotActionType() & ODATFB_NEAREST_DEPOT));
    00541 }
    00542
    00549 static void DeleteOrderWarnings(const Vehicle *v)
    00550 {
    00551   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS);
    00552   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_VOID_ORDER);
    00553   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_DUPLICATE_ENTRY);
    00554   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_INVALID_ENTRY);
    00555 }
    00556
    00563 TileIndex Order::GetLocation(const Vehicle *v, bool airport) const
    00564 {
    00565   switch (this->GetType()) {
    00566     case OT_GOTO_WAYPOINT:
    00567     case OT_GOTO_STATION:
    00568     case OT_IMPLICIT:
    00569       if (airport && v->type == VEH_AIRCRAFT) return Station::Get(this->GetDestination())->airport.tile;
    00570       return BaseStation::Get(this->GetDestination())->xy;
    00571
    00572     case OT_GOTO_DEPOT:
    00573       if ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) return INVALID_TILE;
    00574       return (v->type == VEH_AIRCRAFT) ? Station::Get(this->GetDestination())->xy : Depot::Get(this->GetDestination())->xy;
    00575
    00576     default:
    00577       return INVALID_TILE;
    00578   }
    00579 }
    00580
    00590 uint GetOrderDistance(const Order *prev, const Order *cur, const Vehicle *v, int conditional_depth)
    00591 {
    00592   if (cur->IsType(OT_CONDITIONAL)) {
    00593     if (conditional_depth > v->GetNumOrders()) return 0;
    00594
    00595     conditional_depth++;
    00596
    00597     int dist1 = GetOrderDistance(prev, v->GetOrder(cur->GetConditionSkipToOrder()), v, conditional_depth);
    00598     int dist2 = GetOrderDistance(prev, cur->next == NULL ? v->orders.list->GetFirstOrder() : cur->next, v, conditional_depth);
    00599     return max(dist1, dist2);
    00600   }
    00601
    00602   TileIndex prev_tile = prev->GetLocation(v, true);
    00603   TileIndex cur_tile = cur->GetLocation(v, true);
    00604   if (prev_tile == INVALID_TILE || cur_tile == INVALID_TILE) return 0;
    00605   return v->type == VEH_AIRCRAFT ? DistanceSquare(prev_tile, cur_tile) : DistanceManhattan(prev_tile, cur_tile);
    00606 }
    00607
    00621 CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00622 {
    00623   VehicleID veh          = GB(p1,  0, 20);
    00624   VehicleOrderID sel_ord = GB(p1, 20, 8);
    00625   Order new_order(p2);
    00626
    00627   Vehicle *v = Vehicle::GetIfValid(veh);
    00628   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    00629
    00630   CommandCost ret = CheckOwnership(v->owner);
    00631   if (ret.Failed()) return ret;
    00632
    00633   /* Check if the inserted order is to the correct destination (owner, type),
    00634    * and has the correct flags if any */
    00635   switch (new_order.GetType()) {
    00636     case OT_GOTO_STATION: {
    00637       const Station *st = Station::GetIfValid(new_order.GetDestination());
    00638       if (st == NULL) return CMD_ERROR;
    00639
    00640       if (st->owner != OWNER_NONE) {
    00641         CommandCost ret = CheckOwnership(st->owner);
    00642         if (ret.Failed()) return ret;
    00643       }
    00644
    00645       if (!CanVehicleUseStation(v, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
    00646       for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
    00647         if (!CanVehicleUseStation(u, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER_SHARED);
    00648       }
    00649
    00650       /* Non stop only allowed for ground vehicles. */
    00651       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
    00652
    00653       /* Filter invalid load/unload types. */
    00654       switch (new_order.GetLoadType()) {
    00655         case OLF_LOAD_IF_POSSIBLE: case OLFB_FULL_LOAD: case OLF_FULL_LOAD_ANY: case OLFB_NO_LOAD: break;
    00656         default: return CMD_ERROR;
    00657       }
    00658       switch (new_order.GetUnloadType()) {
    00659         case OUF_UNLOAD_IF_POSSIBLE: case OUFB_UNLOAD: case OUFB_TRANSFER: case OUFB_NO_UNLOAD: break;
    00660         default: return CMD_ERROR;
    00661       }
    00662
    00663       /* Filter invalid stop locations */
    00664       switch (new_order.GetStopLocation()) {
    00665         case OSL_PLATFORM_NEAR_END:
    00666         case OSL_PLATFORM_MIDDLE:
    00667           if (v->type != VEH_TRAIN) return CMD_ERROR;
    00668           /* FALL THROUGH */
    00669         case OSL_PLATFORM_FAR_END:
    00670           break;
    00671
    00672         default:
    00673           return CMD_ERROR;
    00674       }
    00675
    00676       break;
    00677     }
    00678
    00679     case OT_GOTO_DEPOT: {
    00680       if ((new_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) == 0) {
    00681         if (v->type == VEH_AIRCRAFT) {
    00682           const Station *st = Station::GetIfValid(new_order.GetDestination());
    00683
    00684           if (st == NULL) return CMD_ERROR;
    00685
    00686           CommandCost ret = CheckOwnership(st->owner);
    00687           if (ret.Failed()) return ret;
    00688
    00689           if (!CanVehicleUseStation(v, st) || !st->airport.HasHangar()) {
    00690             return CMD_ERROR;
    00691           }
    00692         } else {
    00693           const Depot *dp = Depot::GetIfValid(new_order.GetDestination());
    00694
    00695           if (dp == NULL) return CMD_ERROR;
    00696
    00697           CommandCost ret = CheckOwnership(GetTileOwner(dp->xy));
    00698           if (ret.Failed()) return ret;
    00699
    00700           switch (v->type) {
    00701             case VEH_TRAIN:
    00702               if (!IsRailDepotTile(dp->xy)) return CMD_ERROR;
    00703               break;
    00704
    00705             case VEH_ROAD:
    00706               if (!IsRoadDepotTile(dp->xy)) return CMD_ERROR;
    00707               break;
    00708
    00709             case VEH_SHIP:
    00710               if (!IsShipDepotTile(dp->xy)) return CMD_ERROR;
    00711               break;
    00712
    00713             default: return CMD_ERROR;
    00714           }
    00715         }
    00716       }
    00717
    00718       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
    00719       if (new_order.GetDepotOrderType() & ~(ODTFB_PART_OF_ORDERS | ((new_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0 ? ODTFB_SERVICE : 0))) return CMD_ERROR;
    00720       if (new_order.GetDepotActionType() & ~(ODATFB_HALT | ODATFB_NEAREST_DEPOT)) return CMD_ERROR;
    00721       if ((new_order.GetDepotOrderType() & ODTFB_SERVICE) && (new_order.GetDepotActionType() & ODATFB_HALT)) return CMD_ERROR;
    00722       break;
    00723     }
    00724
    00725     case OT_GOTO_WAYPOINT: {
    00726       const Waypoint *wp = Waypoint::GetIfValid(new_order.GetDestination());
    00727       if (wp == NULL) return CMD_ERROR;
    00728
    00729       switch (v->type) {
    00730         default: return CMD_ERROR;
    00731
    00732         case VEH_TRAIN: {
    00733           if (!(wp->facilities & FACIL_TRAIN)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
    00734
    00735           CommandCost ret = CheckOwnership(wp->owner);
    00736           if (ret.Failed()) return ret;
    00737           break;
    00738         }
    00739
    00740         case VEH_SHIP:
    00741           if (!(wp->facilities & FACIL_DOCK)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
    00742           if (wp->owner != OWNER_NONE) {
    00743             CommandCost ret = CheckOwnership(wp->owner);
    00744             if (ret.Failed()) return ret;
    00745           }
    00746           break;
    00747       }
    00748
    00749       /* Order flags can be any of the following for waypoints:
    00750        * [non-stop]
    00751        * non-stop orders (if any) are only valid for trains */
    00752       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && v->type != VEH_TRAIN) return CMD_ERROR;
    00753       break;
    00754     }
    00755
    00756     case OT_CONDITIONAL: {
    00757       VehicleOrderID skip_to = new_order.GetConditionSkipToOrder();
    00758       if (skip_to != 0 && skip_to >= v->GetNumOrders()) return CMD_ERROR; // Always allow jumping to the first (even when there is no order).
    00759       if (new_order.GetConditionVariable() >= OCV_END) return CMD_ERROR;
    00760
    00761       OrderConditionComparator occ = new_order.GetConditionComparator();
    00762       if (occ >= OCC_END) return CMD_ERROR;
    00763       switch (new_order.GetConditionVariable()) {
    00764         case OCV_REQUIRES_SERVICE:
    00765           if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) return CMD_ERROR;
    00766           break;
    00767
    00768         case OCV_UNCONDITIONALLY:
    00769           if (occ != OCC_EQUALS) return CMD_ERROR;
    00770           if (new_order.GetConditionValue() != 0) return CMD_ERROR;
    00771           break;
    00772
    00773         case OCV_LOAD_PERCENTAGE:
    00774         case OCV_RELIABILITY:
    00775           if (new_order.GetConditionValue() > 100) return CMD_ERROR;
    00776           /* FALL THROUGH */
    00777         default:
    00778           if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) return CMD_ERROR;
    00779           break;
    00780       }
    00781       break;
    00782     }
    00783
    00784     default: return CMD_ERROR;
    00785   }
    00786
    00787   if (sel_ord > v->GetNumOrders()) return CMD_ERROR;
    00788
    00789   if (v->GetNumOrders() >= MAX_VEH_ORDER_ID) return_cmd_error(STR_ERROR_TOO_MANY_ORDERS);
    00790   if (!Order::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
    00791   if (v->orders.list == NULL && !OrderList::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
    00792
    00793   if (v->type == VEH_SHIP && _settings_game.pf.pathfinder_for_ships != VPF_NPF) {
    00794     /* Make sure the new destination is not too far away from the previous */
    00795     const Order *prev = NULL;
    00796     uint n = 0;
    00797
    00798     /* Find the last goto station or depot order before the insert location.
    00799      * If the order is to be inserted at the beginning of the order list this
    00800      * finds the last order in the list. */
    00801     const Order *o;
    00802     FOR_VEHICLE_ORDERS(v, o) {
    00803       switch (o->GetType()) {
    00804         case OT_GOTO_STATION:
    00805         case OT_GOTO_DEPOT:
    00806         case OT_GOTO_WAYPOINT:
    00807           prev = o;
    00808           break;
    00809
    00810         default: break;
    00811       }
    00812       if (++n == sel_ord && prev != NULL) break;
    00813     }
    00814     if (prev != NULL) {
    00815       uint dist = GetOrderDistance(prev, &new_order, v);
    00816       if (dist >= 130) {
    00817         return_cmd_error(STR_ERROR_TOO_FAR_FROM_PREVIOUS_DESTINATION);
    00818       }
    00819     }
    00820   }
    00821
    00822   if (flags & DC_EXEC) {
    00823     Order *new_o = new Order();
    00824     new_o->AssignOrder(new_order);
    00825     InsertOrder(v, new_o, sel_ord);
    00826   }
    00827
    00828   return CommandCost();
    00829 }
    00830
    00837 void InsertOrder(Vehicle *v, Order *new_o, VehicleOrderID sel_ord)
    00838 {
    00839   /* Create new order and link in list */
    00840   if (v->orders.list == NULL) {
    00841     v->orders.list = new OrderList(new_o, v);
    00842   } else {
    00843     v->orders.list->InsertOrderAt(new_o, sel_ord);
    00844   }
    00845
    00846   Vehicle *u = v->FirstShared();
    00847   DeleteOrderWarnings(u);
    00848   for (; u != NULL; u = u->NextShared()) {
    00849     assert(v->orders.list == u->orders.list);
    00850
    00851     /* If there is added an order before the current one, we need
    00852      * to update the selected order. We do not change implicit/real order indices though.
    00853      * If the new order is between the current implicit order and real order, the implicit order will
    00854      * later skip the inserted order. */
    00855     if (sel_ord <= u->cur_real_order_index) {
    00856       uint cur = u->cur_real_order_index + 1;
    00857       /* Check if we don't go out of bound */
    00858       if (cur < u->GetNumOrders()) {
    00859         u->cur_real_order_index = cur;
    00860       }
    00861     }
    00862     if (sel_ord == u->cur_implicit_order_index && u->IsGroundVehicle()) {
    00863       /* We are inserting an order just before the current implicit order.
    00864        * We do not know whether we will reach current implicit or the newly inserted order first.
    00865        * So, disable creation of implicit orders until we are on track again. */
    00866       uint16 &gv_flags = u->GetGroundVehicleFlags();
    00867       SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
    00868     }
    00869     if (sel_ord <= u->cur_implicit_order_index) {
    00870       uint cur = u->cur_implicit_order_index + 1;
    00871       /* Check if we don't go out of bound */
    00872       if (cur < u->GetNumOrders()) {
    00873         u->cur_implicit_order_index = cur;
    00874       }
    00875     }
    00876     /* Update any possible open window of the vehicle */
    00877     InvalidateVehicleOrder(u, INVALID_VEH_ORDER_ID | (sel_ord << 8));
    00878   }
    00879
    00880   /* As we insert an order, the order to skip to will be 'wrong'. */
    00881   VehicleOrderID cur_order_id = 0;
    00882   Order *order;
    00883   FOR_VEHICLE_ORDERS(v, order) {
    00884     if (order->IsType(OT_CONDITIONAL)) {
    00885       VehicleOrderID order_id = order->GetConditionSkipToOrder();
    00886       if (order_id >= sel_ord) {
    00887         order->SetConditionSkipToOrder(order_id + 1);
    00888       }
    00889       if (order_id == cur_order_id) {
    00890         order->SetConditionSkipToOrder((order_id + 1) % v->GetNumOrders());
    00891       }
    00892     }
    00893     cur_order_id++;
    00894   }
    00895
    00896   /* Make sure to rebuild the whole list */
    00897   InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
    00898 }
    00899
    00905 static CommandCost DecloneOrder(Vehicle *dst, DoCommandFlag flags)
    00906 {
    00907   if (flags & DC_EXEC) {
    00908     DeleteVehicleOrders(dst);
    00909     InvalidateVehicleOrder(dst, -1);
    00910     InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
    00911   }
    00912   return CommandCost();
    00913 }
    00914
    00924 CommandCost CmdDeleteOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00925 {
    00926   VehicleID veh_id = GB(p1, 0, 20);
    00927   VehicleOrderID sel_ord = GB(p2, 0, 8);
    00928
    00929   Vehicle *v = Vehicle::GetIfValid(veh_id);
    00930
    00931   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    00932
    00933   CommandCost ret = CheckOwnership(v->owner);
    00934   if (ret.Failed()) return ret;
    00935
    00936   /* If we did not select an order, we maybe want to de-clone the orders */
    00937   if (sel_ord >= v->GetNumOrders()) return DecloneOrder(v, flags);
    00938
    00939   if (v->GetOrder(sel_ord) == NULL) return CMD_ERROR;
    00940
    00941   if (flags & DC_EXEC) DeleteOrder(v, sel_ord);
    00942   return CommandCost();
    00943 }
    00944
    00949 static void CancelLoadingDueToDeletedOrder(Vehicle *v)
    00950 {
    00951   assert(v->current_order.IsType(OT_LOADING));
    00952   /* NON-stop flag is misused to see if a train is in a station that is
    00953    * on his order list or not */
    00954   v->current_order.SetNonStopType(ONSF_STOP_EVERYWHERE);
    00955   /* When full loading, "cancel" that order so the vehicle doesn't
    00956    * stay indefinitely at this station anymore. */
    00957   if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) v->current_order.SetLoadType(OLF_LOAD_IF_POSSIBLE);
    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   for (; u != NULL; u = u->NextShared()) {
    00972     assert(v->orders.list == u->orders.list);
    00973
    00974     if (sel_ord == u->cur_real_order_index && u->current_order.IsType(OT_LOADING)) {
    00975       CancelLoadingDueToDeletedOrder(u);
    00976     }
    00977
    00978     if (sel_ord < u->cur_real_order_index) {
    00979       u->cur_real_order_index--;
    00980     } else if (sel_ord == u->cur_real_order_index) {
    00981       u->UpdateRealOrderIndex();
    00982     }
    00983
    00984     if (sel_ord < u->cur_implicit_order_index) {
    00985       u->cur_implicit_order_index--;
    00986     } else if (sel_ord == u->cur_implicit_order_index) {
    00987       /* Make sure the index is valid */
    00988       if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
    00989
    00990       /* Skip non-implicit orders for the implicit-order-index (e.g. if the current implicit order was deleted */
    00991       while (u->cur_implicit_order_index != u->cur_real_order_index && !u->GetOrder(u->cur_implicit_order_index)->IsType(OT_IMPLICIT)) {
    00992         u->cur_implicit_order_index++;
    00993         if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
    00994       }
    00995     }
    00996
    00997     /* Update any possible open window of the vehicle */
    00998     InvalidateVehicleOrder(u, sel_ord | (INVALID_VEH_ORDER_ID << 8));
    00999   }
    01000
    01001   /* As we delete an order, the order to skip to will be 'wrong'. */
    01002   VehicleOrderID cur_order_id = 0;
    01003   Order *order = NULL;
    01004   FOR_VEHICLE_ORDERS(v, order) {
    01005     if (order->IsType(OT_CONDITIONAL)) {
    01006       VehicleOrderID order_id = order->GetConditionSkipToOrder();
    01007       if (order_id >= sel_ord) {
    01008         order_id = max(order_id - 1, 0);
    01009       }
    01010       if (order_id == cur_order_id) {
    01011         order_id = (order_id + 1) % v->GetNumOrders();
    01012       }
    01013       order->SetConditionSkipToOrder(order_id);
    01014     }
    01015     cur_order_id++;
    01016   }
    01017
    01018   InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
    01019 }
    01020
    01030 CommandCost CmdSkipToOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01031 {
    01032   VehicleID veh_id = GB(p1, 0, 20);
    01033   VehicleOrderID sel_ord = GB(p2, 0, 8);
    01034
    01035   Vehicle *v = Vehicle::GetIfValid(veh_id);
    01036
    01037   if (v == NULL || !v->IsPrimaryVehicle() || sel_ord == v->cur_implicit_order_index || sel_ord >= v->GetNumOrders() || v->GetNumOrders() < 2) return CMD_ERROR;
    01038
    01039   CommandCost ret = CheckOwnership(v->owner);
    01040   if (ret.Failed()) return ret;
    01041
    01042   if (flags & DC_EXEC) {
    01043     v->cur_implicit_order_index = v->cur_real_order_index = sel_ord;
    01044     v->UpdateRealOrderIndex();
    01045
    01046     if (v->current_order.IsType(OT_LOADING)) v->LeaveStation();
    01047
    01048     InvalidateVehicleOrder(v, -2);
    01049   }
    01050
    01051   /* We have an aircraft/ship, they have a mini-schedule, so update them all */
    01052   if (v->type == VEH_AIRCRAFT) SetWindowClassesDirty(WC_AIRCRAFT_LIST);
    01053   if (v->type == VEH_SHIP) SetWindowClassesDirty(WC_SHIPS_LIST);
    01054
    01055   return CommandCost();
    01056 }
    01057
    01071 CommandCost CmdMoveOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01072 {
    01073   VehicleID veh = GB(p1, 0, 20);
    01074   VehicleOrderID moving_order = GB(p2,  0, 16);
    01075   VehicleOrderID target_order = GB(p2, 16, 16);
    01076
    01077   Vehicle *v = Vehicle::GetIfValid(veh);
    01078   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    01079
    01080   CommandCost ret = CheckOwnership(v->owner);
    01081   if (ret.Failed()) return ret;
    01082
    01083   /* Don't make senseless movements */
    01084   if (moving_order >= v->GetNumOrders() || target_order >= v->GetNumOrders() ||
    01085       moving_order == target_order || v->GetNumOrders() <= 1) return CMD_ERROR;
    01086
    01087   Order *moving_one = v->GetOrder(moving_order);
    01088   /* Don't move an empty order */
    01089   if (moving_one == NULL) return CMD_ERROR;
    01090
    01091   if (flags & DC_EXEC) {
    01092     v->orders.list->MoveOrder(moving_order, target_order);
    01093
    01094     /* Update shared list */
    01095     Vehicle *u = v->FirstShared();
    01096
    01097     DeleteOrderWarnings(u);
    01098
    01099     for (; u != NULL; u = u->NextShared()) {
    01100       /* Update the current order.
    01101        * There are multiple ways to move orders, which result in cur_implicit_order_index
    01102        * and cur_real_order_index to not longer make any sense. E.g. moving another
    01103        * real order between them.
    01104        *
    01105        * Basically one could choose to preserve either of them, but not both.
    01106        * While both ways are suitable in this or that case from a human point of view, neither
    01107        * of them makes really sense.
    01108        * However, from an AI point of view, preserving cur_real_order_index is the most
    01109        * predictable and transparent behaviour.
    01110        *
    01111        * With that decision it basically does not matter what we do to cur_implicit_order_index.
    01112        * If we change orders between the implict- and real-index, the implicit orders are mostly likely
    01113        * completely out-dated anyway. So, keep it simple and just keep cur_implicit_order_index as well.
    01114        * The worst which can happen is that a lot of implicit orders are removed when reaching current_order.
    01115        */
    01116       if (u->cur_real_order_index == moving_order) {
    01117         u->cur_real_order_index = target_order;
    01118       } else if (u->cur_real_order_index > moving_order && u->cur_real_order_index <= target_order) {
    01119         u->cur_real_order_index--;
    01120       } else if (u->cur_real_order_index < moving_order && u->cur_real_order_index >= target_order) {
    01121         u->cur_real_order_index++;
    01122       }
    01123
    01124       if (u->cur_implicit_order_index == moving_order) {
    01125         u->cur_implicit_order_index = target_order;
    01126       } else if (u->cur_implicit_order_index > moving_order && u->cur_implicit_order_index <= target_order) {
    01127         u->cur_implicit_order_index--;
    01128       } else if (u->cur_implicit_order_index < moving_order && u->cur_implicit_order_index >= target_order) {
    01129         u->cur_implicit_order_index++;
    01130       }
    01131
    01132       assert(v->orders.list == u->orders.list);
    01133       /* Update any possible open window of the vehicle */
    01134       InvalidateVehicleOrder(u, moving_order | (target_order << 8));
    01135     }
    01136
    01137     /* As we move an order, the order to skip to will be 'wrong'. */
    01138     Order *order;
    01139     FOR_VEHICLE_ORDERS(v, order) {
    01140       if (order->IsType(OT_CONDITIONAL)) {
    01141         VehicleOrderID order_id = order->GetConditionSkipToOrder();
    01142         if (order_id == moving_order) {
    01143           order_id = target_order;
    01144         } else if (order_id > moving_order && order_id <= target_order) {
    01145           order_id--;
    01146         } else if (order_id < moving_order && order_id >= target_order) {
    01147           order_id++;
    01148         }
    01149         order->SetConditionSkipToOrder(order_id);
    01150       }
    01151     }
    01152
    01153     /* Make sure to rebuild the whole list */
    01154     InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
    01155   }
    01156
    01157   return CommandCost();
    01158 }
    01159
    01175 CommandCost CmdModifyOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01176 {
    01177   VehicleOrderID sel_ord = GB(p1, 20,  8);
    01178   VehicleID veh          = GB(p1,  0, 20);
    01179   ModifyOrderFlags mof   = Extract<ModifyOrderFlags, 0, 4>(p2);
    01180   uint16 data            = GB(p2,  4, 11);
    01181
    01182   if (mof >= MOF_END) return CMD_ERROR;
    01183
    01184   Vehicle *v = Vehicle::GetIfValid(veh);
    01185   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    01186
    01187   CommandCost ret = CheckOwnership(v->owner);
    01188   if (ret.Failed()) return ret;
    01189
    01190   /* Is it a valid order? */
    01191   if (sel_ord >= v->GetNumOrders()) return CMD_ERROR;
    01192
    01193   Order *order = v->GetOrder(sel_ord);
    01194   switch (order->GetType()) {
    01195     case OT_GOTO_STATION:
    01196       if (mof == MOF_COND_VARIABLE || mof == MOF_COND_COMPARATOR || mof == MOF_DEPOT_ACTION || mof == MOF_COND_VALUE) return CMD_ERROR;
    01197       break;
    01198
    01199     case OT_GOTO_DEPOT:
    01200       if (mof != MOF_NON_STOP && mof != MOF_DEPOT_ACTION) return CMD_ERROR;
    01201       break;
    01202
    01203     case OT_GOTO_WAYPOINT:
    01204       if (mof != MOF_NON_STOP) return CMD_ERROR;
    01205       break;
    01206
    01207     case OT_CONDITIONAL:
    01208       if (mof != MOF_COND_VARIABLE && mof != MOF_COND_COMPARATOR && mof != MOF_COND_VALUE && mof != MOF_COND_DESTINATION) return CMD_ERROR;
    01209       break;
    01210
    01211     default:
    01212       return CMD_ERROR;
    01213   }
    01214
    01215   switch (mof) {
    01216     default: NOT_REACHED();
    01217
    01218     case MOF_NON_STOP:
    01219       if (!v->IsGroundVehicle()) return CMD_ERROR;
    01220       if (data >= ONSF_END) return CMD_ERROR;
    01221       if (data == order->GetNonStopType()) return CMD_ERROR;
    01222       break;
    01223
    01224     case MOF_STOP_LOCATION:
    01225       if (v->type != VEH_TRAIN) return CMD_ERROR;
    01226       if (data >= OSL_END) return CMD_ERROR;
    01227       break;
    01228
    01229     case MOF_UNLOAD:
    01230       if ((data & ~(OUFB_UNLOAD | OUFB_TRANSFER | OUFB_NO_UNLOAD)) != 0) return CMD_ERROR;
    01231       /* Unload and no-unload are mutual exclusive and so are transfer and no unload. */
    01232       if (data != 0 && ((data & (OUFB_UNLOAD | OUFB_TRANSFER)) != 0) == ((data & OUFB_NO_UNLOAD) != 0)) return CMD_ERROR;
    01233       if (data == order->GetUnloadType()) return CMD_ERROR;
    01234       break;
    01235
    01236     case MOF_LOAD:
    01237       if (data > OLFB_NO_LOAD || data == 1) return CMD_ERROR;
    01238       if (data == order->GetLoadType()) return CMD_ERROR;
    01239       break;
    01240
    01241     case MOF_DEPOT_ACTION:
    01242       if (data >= DA_END) return CMD_ERROR;
    01243       break;
    01244
    01245     case MOF_COND_VARIABLE:
    01246       if (data >= OCV_END) return CMD_ERROR;
    01247       break;
    01248
    01249     case MOF_COND_COMPARATOR:
    01250       if (data >= OCC_END) return CMD_ERROR;
    01251       switch (order->GetConditionVariable()) {
    01252         case OCV_UNCONDITIONALLY: return CMD_ERROR;
    01253
    01254         case OCV_REQUIRES_SERVICE:
    01255           if (data != OCC_IS_TRUE && data != OCC_IS_FALSE) return CMD_ERROR;
    01256           break;
    01257
    01258         default:
    01259           if (data == OCC_IS_TRUE || data == OCC_IS_FALSE) return CMD_ERROR;
    01260           break;
    01261       }
    01262       break;
    01263
    01264     case MOF_COND_VALUE:
    01265       switch (order->GetConditionVariable()) {
    01266         case OCV_UNCONDITIONALLY: return CMD_ERROR;
    01267
    01268         case OCV_LOAD_PERCENTAGE:
    01269         case OCV_RELIABILITY:
    01270           if (data > 100) return CMD_ERROR;
    01271           break;
    01272
    01273         default:
    01274           if (data > 2047) return CMD_ERROR;
    01275           break;
    01276       }
    01277       break;
    01278
    01279     case MOF_COND_DESTINATION:
    01280       if (data >= v->GetNumOrders()) return CMD_ERROR;
    01281       break;
    01282   }
    01283
    01284   if (flags & DC_EXEC) {
    01285     switch (mof) {
    01286       case MOF_NON_STOP:
    01287         order->SetNonStopType((OrderNonStopFlags)data);
    01288         if (data & ONSF_NO_STOP_AT_DESTINATION_STATION) order->SetRefit(CT_NO_REFIT);
    01289         break;
    01290
    01291       case MOF_STOP_LOCATION:
    01292         order->SetStopLocation((OrderStopLocation)data);
    01293         break;
    01294
    01295       case MOF_UNLOAD:
    01296         order->SetUnloadType((OrderUnloadFlags)data);
    01297         break;
    01298
    01299       case MOF_LOAD:
    01300         order->SetLoadType((OrderLoadFlags)data);
    01301         if (data & OLFB_NO_LOAD) order->SetRefit(CT_NO_REFIT);
    01302         break;
    01303
    01304       case MOF_DEPOT_ACTION: {
    01305         switch (data) {
    01306           case DA_ALWAYS_GO:
    01307             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
    01308             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
    01309             break;
    01310
    01311           case DA_SERVICE:
    01312             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() | ODTFB_SERVICE));
    01313             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
    01314             order->SetRefit(CT_NO_REFIT);
    01315             break;
    01316
    01317           case DA_STOP:
    01318             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
    01319             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() | ODATFB_HALT));
    01320             order->SetRefit(CT_NO_REFIT);
    01321             break;
    01322
    01323           default:
    01324             NOT_REACHED();
    01325         }
    01326         break;
    01327       }
    01328
    01329       case MOF_COND_VARIABLE: {
    01330         order->SetConditionVariable((OrderConditionVariable)data);
    01331
    01332         OrderConditionComparator occ = order->GetConditionComparator();
    01333         switch (order->GetConditionVariable()) {
    01334           case OCV_UNCONDITIONALLY:
    01335             order->SetConditionComparator(OCC_EQUALS);
    01336             order->SetConditionValue(0);
    01337             break;
    01338
    01339           case OCV_REQUIRES_SERVICE:
    01340             if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) order->SetConditionComparator(OCC_IS_TRUE);
    01341             break;
    01342
    01343           case OCV_LOAD_PERCENTAGE:
    01344           case OCV_RELIABILITY:
    01345             if (order->GetConditionValue() > 100) order->SetConditionValue(100);
    01346             /* FALL THROUGH */
    01347           default:
    01348             if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) order->SetConditionComparator(OCC_EQUALS);
    01349             break;
    01350         }
    01351         break;
    01352       }
    01353
    01354       case MOF_COND_COMPARATOR:
    01355         order->SetConditionComparator((OrderConditionComparator)data);
    01356         break;
    01357
    01358       case MOF_COND_VALUE:
    01359         order->SetConditionValue(data);
    01360         break;
    01361
    01362       case MOF_COND_DESTINATION:
    01363         order->SetConditionSkipToOrder(data);
    01364         break;
    01365
    01366       default: NOT_REACHED();
    01367     }
    01368
    01369     /* Update the windows and full load flags, also for vehicles that share the same order list */
    01370     Vehicle *u = v->FirstShared();
    01371     DeleteOrderWarnings(u);
    01372     for (; u != NULL; u = u->NextShared()) {
    01373       /* Toggle u->current_order "Full load" flag if it changed.
    01374        * However, as the same flag is used for depot orders, check
    01375        * whether we are not going to a depot as there are three
    01376        * cases where the full load flag can be active and only
    01377        * one case where the flag is used for depot orders. In the
    01378        * other cases for the OrderTypeByte the flags are not used,
    01379        * so do not care and those orders should not be active
    01380        * when this function is called.
    01381        */
    01382       if (sel_ord == u->cur_real_order_index &&
    01383           (u->current_order.IsType(OT_GOTO_STATION) || u->current_order.IsType(OT_LOADING)) &&
    01384           u->current_order.GetLoadType() != order->GetLoadType()) {
    01385         u->current_order.SetLoadType(order->GetLoadType());
    01386       }
    01387       InvalidateVehicleOrder(u, -2);
    01388     }
    01389   }
    01390
    01391   return CommandCost();
    01392 }
    01393
    01400 bool CheckAircraftOrderDistance(const Aircraft *v, const Order *first)
    01401 {
    01402   if (first == NULL || v->acache.cached_max_range == 0) return true;
    01403
    01404   /* Iterate over all orders to check the distance between all
    01405    * 'goto' orders and their respective next order (of any type). */
    01406   for (const Order *o = first; o != NULL; o = o->next) {
    01407     switch (o->GetType()) {
    01408       case OT_GOTO_STATION:
    01409       case OT_GOTO_DEPOT:
    01410       case OT_GOTO_WAYPOINT:
    01411         /* If we don't have a next order, we've reached the end and must check the first order instead. */
    01412         if (GetOrderDistance(o, o->next != NULL ? o->next : first, v) > v->acache.cached_max_range_sqr) return false;
    01413         break;
    01414
    01415       default: break;
    01416     }
    01417   }
    01418
    01419   return true;
    01420 }
    01421
    01433 CommandCost CmdCloneOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01434 {
    01435   VehicleID veh_src = GB(p2, 0, 20);
    01436   VehicleID veh_dst = GB(p1, 0, 20);
    01437
    01438   Vehicle *dst = Vehicle::GetIfValid(veh_dst);
    01439   if (dst == NULL || !dst->IsPrimaryVehicle()) return CMD_ERROR;
    01440
    01441   CommandCost ret = CheckOwnership(dst->owner);
    01442   if (ret.Failed()) return ret;
    01443
    01444   switch (GB(p1, 30, 2)) {
    01445     case CO_SHARE: {
    01446       Vehicle *src = Vehicle::GetIfValid(veh_src);
    01447
    01448       /* Sanity checks */
    01449       if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
    01450
    01451       CommandCost ret = CheckOwnership(src->owner);
    01452       if (ret.Failed()) return ret;
    01453
    01454       /* Trucks can't share orders with busses (and visa versa) */
    01455       if (src->type == VEH_ROAD && RoadVehicle::From(src)->IsBus() != RoadVehicle::From(dst)->IsBus()) {
    01456         return CMD_ERROR;
    01457       }
    01458
    01459       /* Is the vehicle already in the shared list? */
    01460       if (src->FirstShared() == dst->FirstShared()) return CMD_ERROR;
    01461
    01462       const Order *order;
    01463
    01464       FOR_VEHICLE_ORDERS(src, order) {
    01465         if (OrderGoesToStation(dst, order) &&
    01466             !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) {
    01467           return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
    01468         }
    01469       }
    01470
    01471       /* Check for aircraft range limits. */
    01472       if (dst->type == VEH_AIRCRAFT && !CheckAircraftOrderDistance(Aircraft::From(dst), src->GetFirstOrder())) {
    01473         return_cmd_error(STR_ERROR_AIRCRAFT_NOT_ENOUGH_RANGE);
    01474       }
    01475
    01476       if (src->orders.list == NULL && !OrderList::CanAllocateItem()) {
    01477         return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
    01478       }
    01479
    01480       if (flags & DC_EXEC) {
    01481         /* If the destination vehicle had a OrderList, destroy it.
    01482          * We only reset the order indices, if the new orders are obviously different.
    01483          * (We mainly do this to keep the order indices valid and in range.) */
    01484         DeleteVehicleOrders(dst, false, dst->GetNumOrders() != src->GetNumOrders());
    01485
    01486         dst->orders.list = src->orders.list;
    01487
    01488         /* Link this vehicle in the shared-list */
    01489         dst->AddToShared(src);
    01490
    01491         InvalidateVehicleOrder(dst, -1);
    01492         InvalidateVehicleOrder(src, -2);
    01493
    01494         InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
    01495       }
    01496       break;
    01497     }
    01498
    01499     case CO_COPY: {
    01500       Vehicle *src = Vehicle::GetIfValid(veh_src);
    01501
    01502       /* Sanity checks */
    01503       if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
    01504
    01505       CommandCost ret = CheckOwnership(src->owner);
    01506       if (ret.Failed()) return ret;
    01507
    01508       /* Trucks can't copy all the orders from busses (and visa versa),
    01509        * and neither can helicopters and aircarft. */
    01510       const Order *order;
    01511       FOR_VEHICLE_ORDERS(src, order) {
    01512         if (OrderGoesToStation(dst, order) &&
    01513             !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) {
    01514           return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
    01515         }
    01516       }
    01517
    01518       /* Check for aircraft range limits. */
    01519       if (dst->type == VEH_AIRCRAFT && !CheckAircraftOrderDistance(Aircraft::From(dst), src->GetFirstOrder())) {
    01520         return_cmd_error(STR_ERROR_AIRCRAFT_NOT_ENOUGH_RANGE);
    01521       }
    01522
    01523       /* make sure there are orders available */
    01524       int delta = dst->IsOrderListShared() ? src->GetNumOrders() + 1 : src->GetNumOrders() - dst->GetNumOrders();
    01525       if (!Order::CanAllocateItem(delta) ||
    01526           ((dst->orders.list == NULL || dst->IsOrderListShared()) && !OrderList::CanAllocateItem())) {
    01527         return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
    01528       }
    01529
    01530       if (flags & DC_EXEC) {
    01531         const Order *order;
    01532         Order *first = NULL;
    01533         Order **order_dst;
    01534
    01535         /* If the destination vehicle had an order list, destroy the chain but keep the OrderList.
    01536          * We only reset the order indices, if the new orders are obviously different.
    01537          * (We mainly do this to keep the order indices valid and in range.) */
    01538         DeleteVehicleOrders(dst, true, dst->GetNumOrders() != src->GetNumOrders());
    01539
    01540         order_dst = &first;
    01541         FOR_VEHICLE_ORDERS(src, order) {
    01542           *order_dst = new Order();
    01543           (*order_dst)->AssignOrder(*order);
    01544           order_dst = &(*order_dst)->next;
    01545         }
    01546         if (dst->orders.list == NULL) {
    01547           dst->orders.list = new OrderList(first, dst);
    01548         } else {
    01549           assert(dst->orders.list->GetFirstOrder() == NULL);
    01550           assert(!dst->orders.list->IsShared());
    01551           delete dst->orders.list;
    01552           assert(OrderList::CanAllocateItem());
    01553           dst->orders.list = new OrderList(first, dst);
    01554         }
    01555
    01556         InvalidateVehicleOrder(dst, -1);
    01557
    01558         InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
    01559       }
    01560       break;
    01561     }
    01562
    01563     case CO_UNSHARE: return DecloneOrder(dst, flags);
    01564     default: return CMD_ERROR;
    01565   }
    01566
    01567   return CommandCost();
    01568 }
    01569
    01582 CommandCost CmdOrderRefit(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01583 {
    01584   VehicleID veh = GB(p1, 0, 20);
    01585   VehicleOrderID order_number  = GB(p2, 16, 8);
    01586   CargoID cargo = GB(p2, 0, 8);
    01587   byte subtype  = GB(p2, 8, 8);
    01588
    01589   if (cargo >= NUM_CARGO && cargo != CT_NO_REFIT && cargo != CT_AUTO_REFIT) return CMD_ERROR;
    01590
    01591   const Vehicle *v = Vehicle::GetIfValid(veh);
    01592   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    01593
    01594   CommandCost ret = CheckOwnership(v->owner);
    01595   if (ret.Failed()) return ret;
    01596
    01597   Order *order = v->GetOrder(order_number);
    01598   if (order == NULL) return CMD_ERROR;
    01599
    01600   /* Automatic refit cargo is only supported for goto station orders. */
    01601   if (cargo == CT_AUTO_REFIT && !order->IsType(OT_GOTO_STATION)) return CMD_ERROR;
    01602
    01603   if (flags & DC_EXEC) {
    01604     order->SetRefit(cargo, subtype);
    01605
    01606     /* Make the depot order an 'always go' order. */
    01607     if (cargo != CT_NO_REFIT) {
    01608       order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
    01609       order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
    01610     }
    01611
    01612     for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
    01613       /* Update any possible open window of the vehicle */
    01614       InvalidateVehicleOrder(u, -2);
    01615
    01616       /* If the vehicle already got the current depot set as current order, then update current order as well */
    01617       if (u->cur_real_order_index == order_number && (u->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) {
    01618         u->current_order.SetRefit(cargo, subtype);
    01619       }
    01620     }
    01621   }
    01622
    01623   return CommandCost();
    01624 }
    01625
    01626
    01632 void CheckOrders(const Vehicle *v)
    01633 {
    01634   /* Does the user wants us to check things? */
    01635   if (_settings_client.gui.order_review_system == 0) return;
    01636
    01637   /* Do nothing for crashed vehicles */
    01638   if (v->vehstatus & VS_CRASHED) return;
    01639
    01640   /* Do nothing for stopped vehicles if setting is '1' */
    01641   if (_settings_client.gui.order_review_system == 1 && (v->vehstatus & VS_STOPPED)) return;
    01642
    01643   /* do nothing we we're not the first vehicle in a share-chain */
    01644   if (v->FirstShared() != v) return;
    01645
    01646   /* Only check every 20 days, so that we don't flood the message log */
    01647   if (v->owner == _local_company && v->day_counter % 20 == 0) {
    01648     int n_st, problem_type = -1;
    01649     const Order *order;
    01650     int message = 0;
    01651
    01652     /* Check the order list */
    01653     n_st = 0;
    01654
    01655     FOR_VEHICLE_ORDERS(v, order) {
    01656       /* Dummy order? */
    01657       if (order->IsType(OT_DUMMY)) {
    01658         problem_type = 1;
    01659         break;
    01660       }
    01661       /* Does station have a load-bay for this vehicle? */
    01662       if (order->IsType(OT_GOTO_STATION)) {
    01663         const Station *st = Station::Get(order->GetDestination());
    01664
    01665         n_st++;
    01666         if (!CanVehicleUseStation(v, st)) problem_type = 3;
    01667       }
    01668     }
    01669
    01670     /* Check if the last and the first order are the same */
    01671     if (v->GetNumOrders() > 1) {
    01672       const Order *last = v->GetLastOrder();
    01673
    01674       if (v->orders.list->GetFirstOrder()->Equals(*last)) {
    01675         problem_type = 2;
    01676       }
    01677     }
    01678
    01679     /* Do we only have 1 station in our order list? */
    01680     if (n_st < 2 && problem_type == -1) problem_type = 0;
    01681
    01682 #ifndef NDEBUG
    01683     if (v->orders.list != NULL) v->orders.list->DebugCheckSanity();
    01684 #endif
    01685
    01686     /* We don't have a problem */
    01687     if (problem_type < 0) return;
    01688
    01689     message = STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS + problem_type;
    01690     //DEBUG(misc, 3, "Triggered News Item for vehicle %d", v->index);
    01691
    01692     SetDParam(0, v->index);
    01693     AddVehicleNewsItem(
    01694       message,
    01695       NS_ADVICE,
    01696       v->index
    01697     );
    01698   }
    01699 }
    01700
    01706 void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination)
    01707 {
    01708   Vehicle *v;
    01709
    01710   /* Aircraft have StationIDs for depot orders and never use DepotIDs
    01711    * This fact is handled specially below
    01712    */
    01713
    01714   /* Go through all vehicles */
    01715   FOR_ALL_VEHICLES(v) {
    01716     Order *order;
    01717
    01718     order = &v->current_order;
    01719     if ((v->type == VEH_AIRCRAFT && order->IsType(OT_GOTO_DEPOT) ? OT_GOTO_STATION : order->GetType()) == type &&
    01720         v->current_order.GetDestination() == destination) {
    01721       order->MakeDummy();
    01722       SetWindowDirty(WC_VEHICLE_VIEW, v->index);
    01723     }
    01724
    01725     /* Clear the order from the order-list */
    01726     int id = -1;
    01727     FOR_VEHICLE_ORDERS(v, order) {
    01728       id++;
    01729 restart:
    01730
    01731       OrderType ot = order->GetType();
    01732       if (ot == OT_GOTO_DEPOT && (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) continue;
    01733       if (ot == OT_IMPLICIT || (v->type == VEH_AIRCRAFT && ot == OT_GOTO_DEPOT)) ot = OT_GOTO_STATION;
    01734       if (ot == type && order->GetDestination() == destination) {
    01735         /* We want to clear implicit orders, but we don't want to make them
    01736          * dummy orders. They should just vanish. Also check the actual order
    01737          * type as ot is currently OT_GOTO_STATION. */
    01738         if (order->IsType(OT_IMPLICIT)) {
    01739           order = order->next; // DeleteOrder() invalidates current order
    01740           DeleteOrder(v, id);
    01741           if (order != NULL) goto restart;
    01742           break;
    01743         }
    01744
    01745         order->MakeDummy();
    01746         for (const Vehicle *w = v->FirstShared(); w != NULL; w = w->NextShared()) {
    01747           /* In GUI, simulate by removing the order and adding it back */
    01748           InvalidateVehicleOrder(w, id | (INVALID_VEH_ORDER_ID << 8));
    01749           InvalidateVehicleOrder(w, (INVALID_VEH_ORDER_ID << 8) | id);
    01750         }
    01751       }
    01752     }
    01753   }
    01754
    01755   OrderBackup::RemoveOrder(type, destination);
    01756 }
    01757
    01762 bool Vehicle::HasDepotOrder() const
    01763 {
    01764   const Order *order;
    01765
    01766   FOR_VEHICLE_ORDERS(this, order) {
    01767     if (order->IsType(OT_GOTO_DEPOT)) return true;
    01768   }
    01769
    01770   return false;
    01771 }
    01772
    01782 void DeleteVehicleOrders(Vehicle *v, bool keep_orderlist, bool reset_order_indices)
    01783 {
    01784   DeleteOrderWarnings(v);
    01785
    01786   if (v->IsOrderListShared()) {
    01787     /* Remove ourself from the shared order list. */
    01788     v->RemoveFromShared();
    01789     v->orders.list = NULL;
    01790   } else if (v->orders.list != NULL) {
    01791     /* Remove the orders */
    01792     v->orders.list->FreeChain(keep_orderlist);
    01793     if (!keep_orderlist) v->orders.list = NULL;
    01794   }
    01795
    01796   if (reset_order_indices) {
    01797     v->cur_implicit_order_index = v->cur_real_order_index = 0;
    01798     if (v->current_order.IsType(OT_LOADING)) {
    01799       CancelLoadingDueToDeletedOrder(v);
    01800     }
    01801   }
    01802 }
    01803
    01811 uint16 GetServiceIntervalClamped(uint interval, CompanyID company_id)
    01812 {
    01813   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);
    01814 }
    01815
    01824 static bool CheckForValidOrders(const Vehicle *v)
    01825 {
    01826   const Order *order;
    01827
    01828   FOR_VEHICLE_ORDERS(v, order) {
    01829     switch (order->GetType()) {
    01830       case OT_GOTO_STATION:
    01831       case OT_GOTO_DEPOT:
    01832       case OT_GOTO_WAYPOINT:
    01833         return true;
    01834
    01835       default:
    01836         break;
    01837     }
    01838   }
    01839
    01840   return false;
    01841 }
    01842
    01846 static bool OrderConditionCompare(OrderConditionComparator occ, int variable, int value)
    01847 {
    01848   switch (occ) {
    01849     case OCC_EQUALS:      return variable == value;
    01850     case OCC_NOT_EQUALS:  return variable != value;
    01851     case OCC_LESS_THAN:   return variable <  value;
    01852     case OCC_LESS_EQUALS: return variable <= value;
    01853     case OCC_MORE_THAN:   return variable >  value;
    01854     case OCC_MORE_EQUALS: return variable >= value;
    01855     case OCC_IS_TRUE:     return variable != 0;
    01856     case OCC_IS_FALSE:    return variable == 0;
    01857     default: NOT_REACHED();
    01858   }
    01859 }
    01860
    01867 VehicleOrderID ProcessConditionalOrder(const Order *order, const Vehicle *v)
    01868 {
    01869   if (order->GetType() != OT_CONDITIONAL) return INVALID_VEH_ORDER_ID;
    01870
    01871   bool skip_order = false;
    01872   OrderConditionComparator occ = order->GetConditionComparator();
    01873   uint16 value = order->GetConditionValue();
    01874
    01875   switch (order->GetConditionVariable()) {
    01876     case OCV_LOAD_PERCENTAGE:    skip_order = OrderConditionCompare(occ, CalcPercentVehicleFilled(v, NULL), value); break;
    01877     case OCV_RELIABILITY:        skip_order = OrderConditionCompare(occ, ToPercent16(v->reliability),       value); break;
    01878     case OCV_MAX_SPEED:          skip_order = OrderConditionCompare(occ, v->GetDisplayMaxSpeed() * 10 / 16, value); break;
    01879     case OCV_AGE:                skip_order = OrderConditionCompare(occ, v->age / DAYS_IN_LEAP_YEAR,        value); break;
    01880     case OCV_REQUIRES_SERVICE:   skip_order = OrderConditionCompare(occ, v->NeedsServicing(),               value); break;
    01881     case OCV_UNCONDITIONALLY:    skip_order = true; break;
    01882     case OCV_REMAINING_LIFETIME: skip_order = OrderConditionCompare(occ, max(v->max_age - v->age + DAYS_IN_LEAP_YEAR - 1, 0) / DAYS_IN_LEAP_YEAR, value); break;
    01883     default: NOT_REACHED();
    01884   }
    01885
    01886   return skip_order ? order->GetConditionSkipToOrder() : (VehicleOrderID)INVALID_VEH_ORDER_ID;
    01887 }
    01888
    01896 bool UpdateOrderDest(Vehicle *v, const Order *order, int conditional_depth, bool pbs_look_ahead)
    01897 {
    01898   if (conditional_depth > v->GetNumOrders()) return false;
    01899
    01900   switch (order->GetType()) {
    01901     case OT_GOTO_STATION:
    01902       v->dest_tile = v->GetOrderStationLocation(order->GetDestination());
    01903       return true;
    01904
    01905     case OT_GOTO_DEPOT:
    01906       if ((order->GetDepotOrderType() & ODTFB_SERVICE) && !v->NeedsServicing()) {
    01907         assert(!pbs_look_ahead);
    01908         UpdateVehicleTimetable(v, true);
    01909         v->IncrementRealOrderIndex();
    01910         break;
    01911       }
    01912
    01913       if (v->current_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) {
    01914         /* We need to search for the nearest depot (hangar). */
    01915         TileIndex location;
    01916         DestinationID destination;
    01917         bool reverse;
    01918
    01919         if (v->FindClosestDepot(&location, &destination, &reverse)) {
    01920           /* PBS reservations cannot reverse */
    01921           if (pbs_look_ahead && reverse) return false;
    01922
    01923           v->dest_tile = location;
    01924           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());
    01925
    01926           /* If there is no depot in front, reverse automatically (trains only) */
    01927           if (v->type == VEH_TRAIN && reverse) DoCommand(v->tile, v->index, 0, DC_EXEC, CMD_REVERSE_TRAIN_DIRECTION);
    01928
    01929           if (v->type == VEH_AIRCRAFT) {
    01930             Aircraft *a = Aircraft::From(v);
    01931             if (a->state == FLYING && a->targetairport != destination) {
    01932               /* The aircraft is now heading for a different hangar than the next in the orders */
    01933               extern void AircraftNextAirportPos_and_Order(Aircraft *a);
    01934               AircraftNextAirportPos_and_Order(a);
    01935             }
    01936           }
    01937           return true;
    01938         }
    01939
    01940         /* If there is no depot, we cannot help PBS either. */
    01941         if (pbs_look_ahead) return false;
    01942
    01943         UpdateVehicleTimetable(v, true);
    01944         v->IncrementRealOrderIndex();
    01945       } else {
    01946         if (v->type != VEH_AIRCRAFT) {
    01947           v->dest_tile = Depot::Get(order->GetDestination())->xy;
    01948         }
    01949         return true;
    01950       }
    01951       break;
    01952
    01953     case OT_GOTO_WAYPOINT:
    01954       v->dest_tile = Waypoint::Get(order->GetDestination())->xy;
    01955       return true;
    01956
    01957     case OT_CONDITIONAL: {
    01958       assert(!pbs_look_ahead);
    01959       VehicleOrderID next_order = ProcessConditionalOrder(order, v);
    01960       if (next_order != INVALID_VEH_ORDER_ID) {
    01961         /* Jump to next_order. cur_implicit_order_index becomes exactly that order,
    01962          * cur_real_order_index might come after next_order. */
    01963         UpdateVehicleTimetable(v, false);
    01964         v->cur_implicit_order_index = v->cur_real_order_index = next_order;
    01965         v->UpdateRealOrderIndex();
    01966         v->current_order_time += v->GetOrder(v->cur_real_order_index)->travel_time;
    01967
    01968         /* Disable creation of implicit orders.
    01969          * When inserting them we do not know that we would have to make the conditional orders point to them. */
    01970         if (v->IsGroundVehicle()) {
    01971           uint16 &gv_flags = v->GetGroundVehicleFlags();
    01972           SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
    01973         }
    01974       } else {
    01975         UpdateVehicleTimetable(v, true);
    01976         v->IncrementRealOrderIndex();
    01977       }
    01978       break;
    01979     }
    01980
    01981     default:
    01982       v->dest_tile = 0;
    01983       return false;
    01984   }
    01985
    01986   assert(v->cur_implicit_order_index < v->GetNumOrders());
    01987   assert(v->cur_real_order_index < v->GetNumOrders());
    01988
    01989   /* Get the current order */
    01990   order = v->GetOrder(v->cur_real_order_index);
    01991   if (order != NULL && order->IsType(OT_IMPLICIT)) {
    01992     assert(v->GetNumManualOrders() == 0);
    01993     order = NULL;
    01994   }
    01995
    01996   if (order == NULL) {
    01997     v->current_order.Free();
    01998     v->dest_tile = 0;
    01999     return false;
    02000   }
    02001
    02002   v->current_order = *order;
    02003   return UpdateOrderDest(v, order, conditional_depth + 1, pbs_look_ahead);
    02004 }
    02005
    02013 bool ProcessOrders(Vehicle *v)
    02014 {
    02015   switch (v->current_order.GetType()) {
    02016     case OT_GOTO_DEPOT:
    02017       /* Let a depot order in the orderlist interrupt. */
    02018       if (!(v->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) return false;
    02019       break;
    02020
    02021     case OT_LOADING:
    02022       return false;
    02023
    02024     case OT_LEAVESTATION:
    02025       if (v->type != VEH_AIRCRAFT) return false;
    02026       break;
    02027
    02028     default: break;
    02029   }
    02030
    02038   bool may_reverse = v->current_order.IsType(OT_NOTHING);
    02039
    02040   /* Check if we've reached a 'via' destination. */
    02041   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)) &&
    02042       IsTileType(v->tile, MP_STATION) &&
    02043       v->current_order.GetDestination() == GetStationIndex(v->tile)) {
    02044     v->DeleteUnreachedImplicitOrders();
    02045     /* We set the last visited station here because we do not want
    02046      * the train to stop at this 'via' station if the next order
    02047      * is a no-non-stop order; in that case not setting the last
    02048      * visited station will cause the vehicle to still stop. */
    02049     v->last_station_visited = v->current_order.GetDestination();
    02050     UpdateVehicleTimetable(v, true);
    02051     v->IncrementImplicitOrderIndex();
    02052   }
    02053
    02054   /* Get the current order */
    02055   assert(v->cur_implicit_order_index == 0 || v->cur_implicit_order_index < v->GetNumOrders());
    02056   v->UpdateRealOrderIndex();
    02057
    02058   const Order *order = v->GetOrder(v->cur_real_order_index);
    02059   if (order != NULL && order->IsType(OT_IMPLICIT)) {
    02060     assert(v->GetNumManualOrders() == 0);
    02061     order = NULL;
    02062   }
    02063
    02064   /* If no order, do nothing. */
    02065   if (order == NULL || (v->type == VEH_AIRCRAFT && !CheckForValidOrders(v))) {
    02066     if (v->type == VEH_AIRCRAFT) {
    02067       /* Aircraft do something vastly different here, so handle separately */
    02068       extern void HandleMissingAircraftOrders(Aircraft *v);
    02069       HandleMissingAircraftOrders(Aircraft::From(v));
    02070       return false;
    02071     }
    02072
    02073     v->current_order.Free();
    02074     v->dest_tile = 0;
    02075     return false;
    02076   }
    02077
    02078   /* If it is unchanged, keep it. */
    02079   if (order->Equals(v->current_order) && (v->type == VEH_AIRCRAFT || v->dest_tile != 0) &&
    02080       (v->type != VEH_SHIP || !order->IsType(OT_GOTO_STATION) || Station::Get(order->GetDestination())->dock_tile != INVALID_TILE)) {
    02081     return false;
    02082   }
    02083
    02084   /* Otherwise set it, and determine the destination tile. */
    02085   v->current_order = *order;
    02086
    02087   InvalidateVehicleOrder(v, -2);
    02088   switch (v->type) {
    02089     default:
    02090       NOT_REACHED();
    02091
    02092     case VEH_ROAD:
    02093     case VEH_TRAIN:
    02094       break;
    02095
    02096     case VEH_AIRCRAFT:
    02097     case VEH_SHIP:
    02098       SetWindowClassesDirty(GetWindowClassForVehicleType(v->type));
    02099       break;
    02100   }
    02101
    02102   return UpdateOrderDest(v, order) && may_reverse;
    02103 }
    02104
    02112 bool Order::ShouldStopAtStation(const Vehicle *v, StationID station) const
    02113 {
    02114   bool is_dest_station = this->IsType(OT_GOTO_STATION) && this->dest == station;
    02115
    02116   return (!this->IsType(OT_GOTO_DEPOT) || (this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0) &&
    02117       v->last_station_visited != station && // Do stop only when we've not just been there
    02118       /* Finally do stop when there is no non-stop flag set for this type of station. */
    02119       !(this->GetNonStopType() & (is_dest_station ? ONSF_NO_STOP_AT_DESTINATION_STATION : ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS));
    02120 }