# 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 "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 "core/random_func.hpp"
    00024 #include "aircraft.h"
    00025 #include "roadveh.h"
    00026 #include "station_base.h"
    00027 #include "waypoint_base.h"
    00028 #include "company_base.h"
    00029 #include "order_backup.h"
    00030
    00031 #include "table/strings.h"
    00032
    00033 /* DestinationID must be at least as large as every these below, because it can
    00034  * be any of them
    00035  */
    00036 assert_compile(sizeof(DestinationID) >= sizeof(DepotID));
    00037 assert_compile(sizeof(DestinationID) >= sizeof(StationID));
    00038
    00039 OrderPool _order_pool("Order");
    00040 INSTANTIATE_POOL_METHODS(Order)
    00041 OrderListPool _orderlist_pool("OrderList");
    00042 INSTANTIATE_POOL_METHODS(OrderList)
    00043
    00045 Order::~Order()
    00046 {
    00047   if (CleaningPool()) return;
    00048
    00049   /* We can visit oil rigs and buoys that are not our own. They will be shown in
    00050    * the list of stations. So, we need to invalidate that window if needed. */
    00051   if (this->IsType(OT_GOTO_STATION) || this->IsType(OT_GOTO_WAYPOINT)) {
    00052     BaseStation *bs = BaseStation::GetIfValid(this->GetDestination());
    00053     if (bs != NULL && bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
    00054   }
    00055 }
    00056
    00061 void Order::Free()
    00062 {
    00063   this->type  = OT_NOTHING;
    00064   this->flags = 0;
    00065   this->dest  = 0;
    00066   this->next  = NULL;
    00067 }
    00068
    00073 void Order::MakeGoToStation(StationID destination)
    00074 {
    00075   this->type = OT_GOTO_STATION;
    00076   this->flags = 0;
    00077   this->dest = destination;
    00078 }
    00079
    00089 void Order::MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type, OrderDepotActionFlags action, CargoID cargo, byte subtype)
    00090 {
    00091   this->type = OT_GOTO_DEPOT;
    00092   this->SetDepotOrderType(order);
    00093   this->SetDepotActionType(action);
    00094   this->SetNonStopType(non_stop_type);
    00095   this->dest = destination;
    00096   this->SetRefit(cargo, subtype);
    00097 }
    00098
    00103 void Order::MakeGoToWaypoint(StationID destination)
    00104 {
    00105   this->type = OT_GOTO_WAYPOINT;
    00106   this->flags = 0;
    00107   this->dest = destination;
    00108 }
    00109
    00114 void Order::MakeLoading(bool ordered)
    00115 {
    00116   this->type = OT_LOADING;
    00117   if (!ordered) this->flags = 0;
    00118 }
    00119
    00123 void Order::MakeLeaveStation()
    00124 {
    00125   this->type = OT_LEAVESTATION;
    00126   this->flags = 0;
    00127 }
    00128
    00132 void Order::MakeDummy()
    00133 {
    00134   this->type = OT_DUMMY;
    00135   this->flags = 0;
    00136 }
    00137
    00142 void Order::MakeConditional(VehicleOrderID order)
    00143 {
    00144   this->type = OT_CONDITIONAL;
    00145   this->flags = order;
    00146   this->dest = 0;
    00147 }
    00148
    00153 void Order::MakeImplicit(StationID destination)
    00154 {
    00155   this->type = OT_IMPLICIT;
    00156   this->dest = destination;
    00157 }
    00158
    00165 void Order::SetRefit(CargoID cargo, byte subtype)
    00166 {
    00167   this->refit_cargo = cargo;
    00168   this->refit_subtype = subtype;
    00169 }
    00170
    00176 bool Order::Equals(const Order &other) const
    00177 {
    00178   /* In case of go to nearest depot orders we need "only" compare the flags
    00179    * with the other and not the nearest depot order bit or the actual
    00180    * destination because those get clear/filled in during the order
    00181    * evaluation. If we do not do this the order will continuously be seen as
    00182    * a different order and it will try to find a "nearest depot" every tick. */
    00183   if ((this->IsType(OT_GOTO_DEPOT) && this->type == other.type) &&
    00184       ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0 ||
    00185        (other.GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0)) {
    00186     return this->GetDepotOrderType() == other.GetDepotOrderType() &&
    00187         (this->GetDepotActionType() & ~ODATFB_NEAREST_DEPOT) == (other.GetDepotActionType() & ~ODATFB_NEAREST_DEPOT);
    00188   }
    00189
    00190   return this->type == other.type && this->flags == other.flags && this->dest == other.dest;
    00191 }
    00192
    00199 uint32 Order::Pack() const
    00200 {
    00201   return this->dest << 16 | this->flags << 8 | this->type;
    00202 }
    00203
    00209 uint16 Order::MapOldOrder() const
    00210 {
    00211   uint16 order = this->GetType();
    00212   switch (this->type) {
    00213     case OT_GOTO_STATION:
    00214       if (this->GetUnloadType() & OUFB_UNLOAD) SetBit(order, 5);
    00215       if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
    00216       if (this->GetNonStopType() & ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS) SetBit(order, 7);
    00217       order |= GB(this->GetDestination(), 0, 8) << 8;
    00218       break;
    00219     case OT_GOTO_DEPOT:
    00220       if (!(this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) SetBit(order, 6);
    00221       SetBit(order, 7);
    00222       order |= GB(this->GetDestination(), 0, 8) << 8;
    00223       break;
    00224     case OT_LOADING:
    00225       if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6);
    00226       break;
    00227   }
    00228   return order;
    00229 }
    00230
    00235 Order::Order(uint32 packed)
    00236 {
    00237   this->type    = (OrderType)GB(packed,  0,  8);
    00238   this->flags   = GB(packed,  8,  8);
    00239   this->dest    = GB(packed, 16, 16);
    00240   this->next    = NULL;
    00241   this->refit_cargo   = CT_NO_REFIT;
    00242   this->refit_subtype = 0;
    00243   this->wait_time     = 0;
    00244   this->travel_time   = 0;
    00245   this->max_speed     = UINT16_MAX;
    00246 }
    00247
    00253 void InvalidateVehicleOrder(const Vehicle *v, int data)
    00254 {
    00255   SetWindowDirty(WC_VEHICLE_VIEW, v->index);
    00256
    00257   if (data != 0) {
    00258     /* Calls SetDirty() too */
    00259     InvalidateWindowData(WC_VEHICLE_ORDERS,    v->index, data);
    00260     InvalidateWindowData(WC_VEHICLE_TIMETABLE, v->index, data);
    00261     return;
    00262   }
    00263
    00264   SetWindowDirty(WC_VEHICLE_ORDERS,    v->index);
    00265   SetWindowDirty(WC_VEHICLE_TIMETABLE, v->index);
    00266 }
    00267
    00275 void Order::AssignOrder(const Order &other)
    00276 {
    00277   this->type  = other.type;
    00278   this->flags = other.flags;
    00279   this->dest  = other.dest;
    00280
    00281   this->refit_cargo   = other.refit_cargo;
    00282   this->refit_subtype = other.refit_subtype;
    00283
    00284   this->wait_time   = other.wait_time;
    00285   this->travel_time = other.travel_time;
    00286   this->max_speed   = other.max_speed;
    00287 }
    00288
    00294 void OrderList::Initialize(Order *chain, Vehicle *v)
    00295 {
    00296   this->first = chain;
    00297   this->first_shared = v;
    00298
    00299   this->num_orders = 0;
    00300   this->num_manual_orders = 0;
    00301   this->num_vehicles = 1;
    00302   this->timetable_duration = 0;
    00303
    00304   for (Order *o = this->first; o != NULL; o = o->next) {
    00305     ++this->num_orders;
    00306     if (!o->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
    00307     this->timetable_duration += o->wait_time + o->travel_time;
    00308   }
    00309
    00310   for (Vehicle *u = this->first_shared->PreviousShared(); u != NULL; u = u->PreviousShared()) {
    00311     ++this->num_vehicles;
    00312     this->first_shared = u;
    00313   }
    00314
    00315   for (const Vehicle *u = v->NextShared(); u != NULL; u = u->NextShared()) ++this->num_vehicles;
    00316 }
    00317
    00323 void OrderList::FreeChain(bool keep_orderlist)
    00324 {
    00325   Order *next;
    00326   for (Order *o = this->first; o != NULL; o = next) {
    00327     next = o->next;
    00328     delete o;
    00329   }
    00330
    00331   if (keep_orderlist) {
    00332     this->first = NULL;
    00333     this->num_orders = 0;
    00334     this->num_manual_orders = 0;
    00335     this->timetable_duration = 0;
    00336   } else {
    00337     delete this;
    00338   }
    00339 }
    00340
    00346 Order *OrderList::GetOrderAt(int index) const
    00347 {
    00348   if (index < 0) return NULL;
    00349
    00350   Order *order = this->first;
    00351
    00352   while (order != NULL && index-- > 0) {
    00353     order = order->next;
    00354   }
    00355   return order;
    00356 }
    00357
    00367 const Order *OrderList::GetBestLoadableNext(const Vehicle *v, const Order *o2, const Order *o1) const
    00368 {
    00369   SmallMap<CargoID, uint> capacities;
    00370   v->GetConsistFreeCapacities(capacities);
    00371   uint loadable1 = 0;
    00372   uint loadable2 = 0;
    00373   StationID st1 = o1->GetDestination();
    00374   StationID st2 = o2->GetDestination();
    00375   const Station *cur_station = Station::Get(v->last_station_visited);
    00376   for (SmallPair<CargoID, uint> *i = capacities.Begin(); i != capacities.End(); ++i) {
    00377     const StationCargoPacketMap *loadable_packets = cur_station->goods[i->first].cargo.Packets();
    00378     uint loadable_cargo = 0;
    00379     std::pair<StationCargoPacketMap::const_iterator, StationCargoPacketMap::const_iterator> p =
    00380       loadable_packets->equal_range(st1);
    00381     for (StationCargoPacketMap::const_iterator j = p.first; j != p.second; ++j) {
    00382       loadable_cargo = (*j)->Count();
    00383     }
    00384     loadable1 += min(i->second, loadable_cargo);
    00385
    00386     loadable_cargo = 0;
    00387     p = loadable_packets->equal_range(st2);
    00388     for (StationCargoPacketMap::const_iterator j = p.first; j != p.second; ++j) {
    00389       loadable_cargo = (*j)->Count();
    00390     }
    00391     loadable2 += min(i->second, loadable_cargo);
    00392   }
    00393   if (loadable1 == loadable2) return RandomRange(2) == 0 ? o1 : o2;
    00394   return loadable1 > loadable2 ? o1 : o2;
    00395 }
    00396
    00408 const Order *OrderList::GetNextStoppingOrder(const Vehicle *v, const Order *next, uint hops, bool is_loading) const
    00409 {
    00410   if (hops > this->GetNumOrders() || next == NULL) return NULL;
    00411
    00412   if (next->IsType(OT_CONDITIONAL)) {
    00413     if (is_loading && next->GetConditionVariable() == OCV_LOAD_PERCENTAGE) {
    00414       /* If the condition is based on load percentage we can't
    00415        * tell what it will do. So we choose randomly. */
    00416       const Order *skip_to = this->GetNextStoppingOrder(v,
    00417           this->GetOrderAt(next->GetConditionSkipToOrder()),
    00418           hops + 1);
    00419       const Order *advance = this->GetNextStoppingOrder(v,
    00420           this->GetNext(next), hops + 1);
    00421       if (advance == NULL) return skip_to;
    00422       if (skip_to == NULL) return advance;
    00423       return this->GetBestLoadableNext(v, skip_to, advance);
    00424     }
    00425     /* Otherwise we're optimistic and expect that the
    00426      * condition value won't change until it's evaluated. */
    00427     VehicleOrderID skip_to = ProcessConditionalOrder(next, v);
    00428     if (skip_to != INVALID_VEH_ORDER_ID) {
    00429       return this->GetNextStoppingOrder(v, this->GetOrderAt(skip_to),
    00430           hops + 1);
    00431     }
    00432     return this->GetNextStoppingOrder(v, this->GetNext(next), hops + 1);
    00433   }
    00434
    00435   if (next->IsType(OT_GOTO_DEPOT)) {
    00436     if (next->GetDepotActionType() == ODATFB_HALT) return NULL;
    00437     if (next->IsRefit()) return next;
    00438   }
    00439
    00440   if (!next->CanLoadOrUnload()) {
    00441     return this->GetNextStoppingOrder(v, this->GetNext(next), hops + 1);
    00442   }
    00443
    00444   return next;
    00445 }
    00446
    00454 StationID OrderList::GetNextStoppingStation(const Vehicle *v) const
    00455 {
    00456
    00457   const Order *next = this->GetOrderAt(v->cur_implicit_order_index);
    00458   if (next == NULL) {
    00459     next = this->GetFirstOrder();
    00460     if (next == NULL) return INVALID_STATION;
    00461   } else {
    00462     /* GetNext never returns NULL if there is a valid station in the list.
    00463      * As the given "next" is already valid and a station in the list, we
    00464      * don't have to check for NULL here.
    00465      */
    00466     next = this->GetNext(next);
    00467   }
    00468
    00469   uint hops = 0;
    00470   do {
    00471     next = this->GetNextStoppingOrder(v, next, ++hops, true);
    00472     /* Don't return a next stop if the vehicle has to unload everything. */
    00473     if (next == NULL || (next->GetDestination() == v->last_station_visited &&
    00474         (next->GetUnloadType() & (OUFB_TRANSFER | OUFB_UNLOAD)) == 0)) {
    00475       return INVALID_STATION;
    00476     }
    00477   } while (next->IsType(OT_GOTO_DEPOT) || next->GetDestination() == v->last_station_visited);
    00478
    00479   return next->GetDestination();
    00480 }
    00481
    00487 void OrderList::InsertOrderAt(Order *new_order, int index)
    00488 {
    00489   if (this->first == NULL) {
    00490     this->first = new_order;
    00491   } else {
    00492     if (index == 0) {
    00493       /* Insert as first or only order */
    00494       new_order->next = this->first;
    00495       this->first = new_order;
    00496     } else if (index >= this->num_orders) {
    00497       /* index is after the last order, add it to the end */
    00498       this->GetLastOrder()->next = new_order;
    00499     } else {
    00500       /* Put the new order in between */
    00501       Order *order = this->GetOrderAt(index - 1);
    00502       new_order->next = order->next;
    00503       order->next = new_order;
    00504     }
    00505   }
    00506   ++this->num_orders;
    00507   if (!new_order->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
    00508   this->timetable_duration += new_order->wait_time + new_order->travel_time;
    00509
    00510   /* We can visit oil rigs and buoys that are not our own. They will be shown in
    00511    * the list of stations. So, we need to invalidate that window if needed. */
    00512   if (new_order->IsType(OT_GOTO_STATION) || new_order->IsType(OT_GOTO_WAYPOINT)) {
    00513     BaseStation *bs = BaseStation::Get(new_order->GetDestination());
    00514     if (bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
    00515   }
    00516
    00517 }
    00518
    00519
    00524 void OrderList::DeleteOrderAt(int index)
    00525 {
    00526   if (index >= this->num_orders) return;
    00527
    00528   Order *to_remove;
    00529
    00530   if (index == 0) {
    00531     to_remove = this->first;
    00532     this->first = to_remove->next;
    00533   } else {
    00534     Order *prev = GetOrderAt(index - 1);
    00535     to_remove = prev->next;
    00536     prev->next = to_remove->next;
    00537   }
    00538   --this->num_orders;
    00539   if (!to_remove->IsType(OT_IMPLICIT)) --this->num_manual_orders;
    00540   this->timetable_duration -= (to_remove->wait_time + to_remove->travel_time);
    00541   delete to_remove;
    00542 }
    00543
    00549 void OrderList::MoveOrder(int from, int to)
    00550 {
    00551   if (from >= this->num_orders || to >= this->num_orders || from == to) return;
    00552
    00553   Order *moving_one;
    00554
    00555   /* Take the moving order out of the pointer-chain */
    00556   if (from == 0) {
    00557     moving_one = this->first;
    00558     this->first = moving_one->next;
    00559   } else {
    00560     Order *one_before = GetOrderAt(from - 1);
    00561     moving_one = one_before->next;
    00562     one_before->next = moving_one->next;
    00563   }
    00564
    00565   /* Insert the moving_order again in the pointer-chain */
    00566   if (to == 0) {
    00567     moving_one->next = this->first;
    00568     this->first = moving_one;
    00569   } else {
    00570     Order *one_before = GetOrderAt(to - 1);
    00571     moving_one->next = one_before->next;
    00572     one_before->next = moving_one;
    00573   }
    00574 }
    00575
    00581 void OrderList::RemoveVehicle(Vehicle *v)
    00582 {
    00583   --this->num_vehicles;
    00584   if (v == this->first_shared) this->first_shared = v->NextShared();
    00585 }
    00586
    00591 bool OrderList::IsVehicleInSharedOrdersList(const Vehicle *v) const
    00592 {
    00593   for (const Vehicle *v_shared = this->first_shared; v_shared != NULL; v_shared = v_shared->NextShared()) {
    00594     if (v_shared == v) return true;
    00595   }
    00596
    00597   return false;
    00598 }
    00599
    00605 int OrderList::GetPositionInSharedOrderList(const Vehicle *v) const
    00606 {
    00607   int count = 0;
    00608   for (const Vehicle *v_shared = v->PreviousShared(); v_shared != NULL; v_shared = v_shared->PreviousShared()) count++;
    00609   return count;
    00610 }
    00611
    00616 bool OrderList::IsCompleteTimetable() const
    00617 {
    00618   for (Order *o = this->first; o != NULL; o = o->next) {
    00619     /* Implicit orders are, by definition, not timetabled. */
    00620     if (o->IsType(OT_IMPLICIT)) continue;
    00621     if (!o->IsCompletelyTimetabled()) return false;
    00622   }
    00623   return true;
    00624 }
    00625
    00629 void OrderList::DebugCheckSanity() const
    00630 {
    00631   VehicleOrderID check_num_orders = 0;
    00632   VehicleOrderID check_num_manual_orders = 0;
    00633   uint check_num_vehicles = 0;
    00634   Ticks check_timetable_duration = 0;
    00635
    00636   DEBUG(misc, 6, "Checking OrderList %hu for sanity...", this->index);
    00637
    00638   for (const Order *o = this->first; o != NULL; o = o->next) {
    00639     ++check_num_orders;
    00640     if (!o->IsType(OT_IMPLICIT)) ++check_num_manual_orders;
    00641     check_timetable_duration += o->wait_time + o->travel_time;
    00642   }
    00643   assert(this->num_orders == check_num_orders);
    00644   assert(this->num_manual_orders == check_num_manual_orders);
    00645   assert(this->timetable_duration == check_timetable_duration);
    00646
    00647   for (const Vehicle *v = this->first_shared; v != NULL; v = v->NextShared()) {
    00648     ++check_num_vehicles;
    00649     assert(v->orders.list == this);
    00650   }
    00651   assert(this->num_vehicles == check_num_vehicles);
    00652   DEBUG(misc, 6, "... detected %u orders (%u manual), %u vehicles, %i ticks",
    00653       (uint)this->num_orders, (uint)this->num_manual_orders,
    00654       this->num_vehicles, this->timetable_duration);
    00655 }
    00656
    00664 static inline bool OrderGoesToStation(const Vehicle *v, const Order *o)
    00665 {
    00666   return o->IsType(OT_GOTO_STATION) ||
    00667       (v->type == VEH_AIRCRAFT && o->IsType(OT_GOTO_DEPOT) && !(o->GetDepotActionType() & ODATFB_NEAREST_DEPOT));
    00668 }
    00669
    00676 static void DeleteOrderWarnings(const Vehicle *v)
    00677 {
    00678   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS);
    00679   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_VOID_ORDER);
    00680   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_DUPLICATE_ENTRY);
    00681   DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_INVALID_ENTRY);
    00682 }
    00683
    00690 TileIndex Order::GetLocation(const Vehicle *v, bool airport) const
    00691 {
    00692   switch (this->GetType()) {
    00693     case OT_GOTO_WAYPOINT:
    00694     case OT_GOTO_STATION:
    00695     case OT_IMPLICIT:
    00696       if (airport && v->type == VEH_AIRCRAFT) return Station::Get(this->GetDestination())->airport.tile;
    00697       return BaseStation::Get(this->GetDestination())->xy;
    00698
    00699     case OT_GOTO_DEPOT:
    00700       if ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) return INVALID_TILE;
    00701       return (v->type == VEH_AIRCRAFT) ? Station::Get(this->GetDestination())->xy : Depot::Get(this->GetDestination())->xy;
    00702
    00703     default:
    00704       return INVALID_TILE;
    00705   }
    00706 }
    00707
    00717 uint GetOrderDistance(const Order *prev, const Order *cur, const Vehicle *v, int conditional_depth)
    00718 {
    00719   if (cur->IsType(OT_CONDITIONAL)) {
    00720     if (conditional_depth > v->GetNumOrders()) return 0;
    00721
    00722     conditional_depth++;
    00723
    00724     int dist1 = GetOrderDistance(prev, v->GetOrder(cur->GetConditionSkipToOrder()), v, conditional_depth);
    00725     int dist2 = GetOrderDistance(prev, cur->next == NULL ? v->orders.list->GetFirstOrder() : cur->next, v, conditional_depth);
    00726     return max(dist1, dist2);
    00727   }
    00728
    00729   TileIndex prev_tile = prev->GetLocation(v, true);
    00730   TileIndex cur_tile = cur->GetLocation(v, true);
    00731   if (prev_tile == INVALID_TILE || cur_tile == INVALID_TILE) return 0;
    00732   return v->type == VEH_AIRCRAFT ? DistanceSquare(prev_tile, cur_tile) : DistanceManhattan(prev_tile, cur_tile);
    00733 }
    00734
    00748 CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00749 {
    00750   VehicleID veh          = GB(p1,  0, 20);
    00751   VehicleOrderID sel_ord = GB(p1, 20, 8);
    00752   Order new_order(p2);
    00753
    00754   Vehicle *v = Vehicle::GetIfValid(veh);
    00755   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    00756
    00757   CommandCost ret = CheckOwnership(v->owner);
    00758   if (ret.Failed()) return ret;
    00759
    00760   /* Check if the inserted order is to the correct destination (owner, type),
    00761    * and has the correct flags if any */
    00762   switch (new_order.GetType()) {
    00763     case OT_GOTO_STATION: {
    00764       const Station *st = Station::GetIfValid(new_order.GetDestination());
    00765       if (st == NULL) return CMD_ERROR;
    00766
    00767       if (st->owner != OWNER_NONE) {
    00768         CommandCost ret = CheckOwnership(st->owner);
    00769         if (ret.Failed()) return ret;
    00770       }
    00771
    00772       if (!CanVehicleUseStation(v, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
    00773       for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
    00774         if (!CanVehicleUseStation(u, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER_SHARED);
    00775       }
    00776
    00777       /* Non stop only allowed for ground vehicles. */
    00778       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
    00779
    00780       /* Filter invalid load/unload types. */
    00781       switch (new_order.GetLoadType()) {
    00782         case OLF_LOAD_IF_POSSIBLE: case OLFB_FULL_LOAD: case OLF_FULL_LOAD_ANY: case OLFB_NO_LOAD: break;
    00783         default: return CMD_ERROR;
    00784       }
    00785       switch (new_order.GetUnloadType()) {
    00786         case OUF_UNLOAD_IF_POSSIBLE: case OUFB_UNLOAD: case OUFB_TRANSFER: case OUFB_NO_UNLOAD: break;
    00787         default: return CMD_ERROR;
    00788       }
    00789
    00790       /* Filter invalid stop locations */
    00791       switch (new_order.GetStopLocation()) {
    00792         case OSL_PLATFORM_NEAR_END:
    00793         case OSL_PLATFORM_MIDDLE:
    00794           if (v->type != VEH_TRAIN) return CMD_ERROR;
    00795           /* FALL THROUGH */
    00796         case OSL_PLATFORM_FAR_END:
    00797           break;
    00798
    00799         default:
    00800           return CMD_ERROR;
    00801       }
    00802
    00803       break;
    00804     }
    00805
    00806     case OT_GOTO_DEPOT: {
    00807       if ((new_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) == 0) {
    00808         if (v->type == VEH_AIRCRAFT) {
    00809           const Station *st = Station::GetIfValid(new_order.GetDestination());
    00810
    00811           if (st == NULL) return CMD_ERROR;
    00812
    00813           CommandCost ret = CheckOwnership(st->owner);
    00814           if (ret.Failed()) return ret;
    00815
    00816           if (!CanVehicleUseStation(v, st) || !st->airport.HasHangar()) {
    00817             return CMD_ERROR;
    00818           }
    00819         } else {
    00820           const Depot *dp = Depot::GetIfValid(new_order.GetDestination());
    00821
    00822           if (dp == NULL) return CMD_ERROR;
    00823
    00824           CommandCost ret = CheckOwnership(GetTileOwner(dp->xy));
    00825           if (ret.Failed()) return ret;
    00826
    00827           switch (v->type) {
    00828             case VEH_TRAIN:
    00829               if (!IsRailDepotTile(dp->xy)) return CMD_ERROR;
    00830               break;
    00831
    00832             case VEH_ROAD:
    00833               if (!IsRoadDepotTile(dp->xy)) return CMD_ERROR;
    00834               break;
    00835
    00836             case VEH_SHIP:
    00837               if (!IsShipDepotTile(dp->xy)) return CMD_ERROR;
    00838               break;
    00839
    00840             default: return CMD_ERROR;
    00841           }
    00842         }
    00843       }
    00844
    00845       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
    00846       if (new_order.GetDepotOrderType() & ~(ODTFB_PART_OF_ORDERS | ((new_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0 ? ODTFB_SERVICE : 0))) return CMD_ERROR;
    00847       if (new_order.GetDepotActionType() & ~(ODATFB_HALT | ODATFB_NEAREST_DEPOT)) return CMD_ERROR;
    00848       if ((new_order.GetDepotOrderType() & ODTFB_SERVICE) && (new_order.GetDepotActionType() & ODATFB_HALT)) return CMD_ERROR;
    00849       break;
    00850     }
    00851
    00852     case OT_GOTO_WAYPOINT: {
    00853       const Waypoint *wp = Waypoint::GetIfValid(new_order.GetDestination());
    00854       if (wp == NULL) return CMD_ERROR;
    00855
    00856       switch (v->type) {
    00857         default: return CMD_ERROR;
    00858
    00859         case VEH_TRAIN: {
    00860           if (!(wp->facilities & FACIL_TRAIN)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
    00861
    00862           CommandCost ret = CheckOwnership(wp->owner);
    00863           if (ret.Failed()) return ret;
    00864           break;
    00865         }
    00866
    00867         case VEH_SHIP:
    00868           if (!(wp->facilities & FACIL_DOCK)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER);
    00869           if (wp->owner != OWNER_NONE) {
    00870             CommandCost ret = CheckOwnership(wp->owner);
    00871             if (ret.Failed()) return ret;
    00872           }
    00873           break;
    00874       }
    00875
    00876       /* Order flags can be any of the following for waypoints:
    00877        * [non-stop]
    00878        * non-stop orders (if any) are only valid for trains */
    00879       if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && v->type != VEH_TRAIN) return CMD_ERROR;
    00880       break;
    00881     }
    00882
    00883     case OT_CONDITIONAL: {
    00884       VehicleOrderID skip_to = new_order.GetConditionSkipToOrder();
    00885       if (skip_to != 0 && skip_to >= v->GetNumOrders()) return CMD_ERROR; // Always allow jumping to the first (even when there is no order).
    00886       if (new_order.GetConditionVariable() >= OCV_END) return CMD_ERROR;
    00887
    00888       OrderConditionComparator occ = new_order.GetConditionComparator();
    00889       if (occ >= OCC_END) return CMD_ERROR;
    00890       switch (new_order.GetConditionVariable()) {
    00891         case OCV_REQUIRES_SERVICE:
    00892           if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) return CMD_ERROR;
    00893           break;
    00894
    00895         case OCV_UNCONDITIONALLY:
    00896           if (occ != OCC_EQUALS) return CMD_ERROR;
    00897           if (new_order.GetConditionValue() != 0) return CMD_ERROR;
    00898           break;
    00899
    00900         case OCV_LOAD_PERCENTAGE:
    00901         case OCV_RELIABILITY:
    00902           if (new_order.GetConditionValue() > 100) return CMD_ERROR;
    00903           /* FALL THROUGH */
    00904         default:
    00905           if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) return CMD_ERROR;
    00906           break;
    00907       }
    00908       break;
    00909     }
    00910
    00911     default: return CMD_ERROR;
    00912   }
    00913
    00914   if (sel_ord > v->GetNumOrders()) return CMD_ERROR;
    00915
    00916   if (v->GetNumOrders() >= MAX_VEH_ORDER_ID) return_cmd_error(STR_ERROR_TOO_MANY_ORDERS);
    00917   if (!Order::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
    00918   if (v->orders.list == NULL && !OrderList::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
    00919
    00920   if (v->type == VEH_SHIP && _settings_game.pf.pathfinder_for_ships != VPF_NPF) {
    00921     /* Make sure the new destination is not too far away from the previous */
    00922     const Order *prev = NULL;
    00923     uint n = 0;
    00924
    00925     /* Find the last goto station or depot order before the insert location.
    00926      * If the order is to be inserted at the beginning of the order list this
    00927      * finds the last order in the list. */
    00928     const Order *o;
    00929     FOR_VEHICLE_ORDERS(v, o) {
    00930       switch (o->GetType()) {
    00931         case OT_GOTO_STATION:
    00932         case OT_GOTO_DEPOT:
    00933         case OT_GOTO_WAYPOINT:
    00934           prev = o;
    00935           break;
    00936
    00937         default: break;
    00938       }
    00939       if (++n == sel_ord && prev != NULL) break;
    00940     }
    00941     if (prev != NULL) {
    00942       uint dist;
    00943       if (new_order.IsType(OT_CONDITIONAL)) {
    00944         /* The order is not yet inserted, so we have to do the first iteration here. */
    00945         dist = GetOrderDistance(prev, v->GetOrder(new_order.GetConditionSkipToOrder()), v);
    00946       } else {
    00947         dist = GetOrderDistance(prev, &new_order, v);
    00948       }
    00949
    00950       if (dist >= 130) {
    00951         return_cmd_error(STR_ERROR_TOO_FAR_FROM_PREVIOUS_DESTINATION);
    00952       }
    00953     }
    00954   }
    00955
    00956   if (flags & DC_EXEC) {
    00957     Order *new_o = new Order();
    00958     new_o->AssignOrder(new_order);
    00959     InsertOrder(v, new_o, sel_ord);
    00960   }
    00961
    00962   return CommandCost();
    00963 }
    00964
    00971 void InsertOrder(Vehicle *v, Order *new_o, VehicleOrderID sel_ord)
    00972 {
    00973   /* Create new order and link in list */
    00974   if (v->orders.list == NULL) {
    00975     v->orders.list = new OrderList(new_o, v);
    00976   } else {
    00977     v->orders.list->InsertOrderAt(new_o, sel_ord);
    00978   }
    00979
    00980   Vehicle *u = v->FirstShared();
    00981   DeleteOrderWarnings(u);
    00982   for (; u != NULL; u = u->NextShared()) {
    00983     assert(v->orders.list == u->orders.list);
    00984
    00985     /* If there is added an order before the current one, we need
    00986      * to update the selected order. We do not change implicit/real order indices though.
    00987      * If the new order is between the current implicit order and real order, the implicit order will
    00988      * later skip the inserted order. */
    00989     if (sel_ord <= u->cur_real_order_index) {
    00990       uint cur = u->cur_real_order_index + 1;
    00991       /* Check if we don't go out of bound */
    00992       if (cur < u->GetNumOrders()) {
    00993         u->cur_real_order_index = cur;
    00994       }
    00995     }
    00996     if (sel_ord == u->cur_implicit_order_index && u->IsGroundVehicle()) {
    00997       /* We are inserting an order just before the current implicit order.
    00998        * We do not know whether we will reach current implicit or the newly inserted order first.
    00999        * So, disable creation of implicit orders until we are on track again. */
    01000       uint16 &gv_flags = u->GetGroundVehicleFlags();
    01001       SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
    01002     }
    01003     if (sel_ord <= u->cur_implicit_order_index) {
    01004       uint cur = u->cur_implicit_order_index + 1;
    01005       /* Check if we don't go out of bound */
    01006       if (cur < u->GetNumOrders()) {
    01007         u->cur_implicit_order_index = cur;
    01008       }
    01009     }
    01010     /* Update any possible open window of the vehicle */
    01011     InvalidateVehicleOrder(u, INVALID_VEH_ORDER_ID | (sel_ord << 8));
    01012   }
    01013
    01014   /* As we insert an order, the order to skip to will be 'wrong'. */
    01015   VehicleOrderID cur_order_id = 0;
    01016   Order *order;
    01017   FOR_VEHICLE_ORDERS(v, order) {
    01018     if (order->IsType(OT_CONDITIONAL)) {
    01019       VehicleOrderID order_id = order->GetConditionSkipToOrder();
    01020       if (order_id >= sel_ord) {
    01021         order->SetConditionSkipToOrder(order_id + 1);
    01022       }
    01023       if (order_id == cur_order_id) {
    01024         order->SetConditionSkipToOrder((order_id + 1) % v->GetNumOrders());
    01025       }
    01026     }
    01027     cur_order_id++;
    01028   }
    01029
    01030   /* Make sure to rebuild the whole list */
    01031   InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
    01032 }
    01033
    01039 static CommandCost DecloneOrder(Vehicle *dst, DoCommandFlag flags)
    01040 {
    01041   if (flags & DC_EXEC) {
    01042     DeleteVehicleOrders(dst);
    01043     InvalidateVehicleOrder(dst, VIWD_REMOVE_ALL_ORDERS);
    01044     InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
    01045   }
    01046   return CommandCost();
    01047 }
    01048
    01058 CommandCost CmdDeleteOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01059 {
    01060   VehicleID veh_id = GB(p1, 0, 20);
    01061   VehicleOrderID sel_ord = GB(p2, 0, 8);
    01062
    01063   Vehicle *v = Vehicle::GetIfValid(veh_id);
    01064
    01065   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    01066
    01067   CommandCost ret = CheckOwnership(v->owner);
    01068   if (ret.Failed()) return ret;
    01069
    01070   /* If we did not select an order, we maybe want to de-clone the orders */
    01071   if (sel_ord >= v->GetNumOrders()) return DecloneOrder(v, flags);
    01072
    01073   if (v->GetOrder(sel_ord) == NULL) return CMD_ERROR;
    01074
    01075   if (flags & DC_EXEC) DeleteOrder(v, sel_ord);
    01076   return CommandCost();
    01077 }
    01078
    01083 static void CancelLoadingDueToDeletedOrder(Vehicle *v)
    01084 {
    01085   assert(v->current_order.IsType(OT_LOADING));
    01086   /* NON-stop flag is misused to see if a train is in a station that is
    01087    * on his order list or not */
    01088   v->current_order.SetNonStopType(ONSF_STOP_EVERYWHERE);
    01089   /* When full loading, "cancel" that order so the vehicle doesn't
    01090    * stay indefinitely at this station anymore. */
    01091   if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) v->current_order.SetLoadType(OLF_LOAD_IF_POSSIBLE);
    01092 }
    01093
    01099 void DeleteOrder(Vehicle *v, VehicleOrderID sel_ord)
    01100 {
    01101   v->orders.list->DeleteOrderAt(sel_ord);
    01102
    01103   Vehicle *u = v->FirstShared();
    01104   DeleteOrderWarnings(u);
    01105   for (; u != NULL; u = u->NextShared()) {
    01106     assert(v->orders.list == u->orders.list);
    01107
    01108     if (sel_ord == u->cur_real_order_index && u->current_order.IsType(OT_LOADING)) {
    01109       CancelLoadingDueToDeletedOrder(u);
    01110     }
    01111
    01112     if (sel_ord < u->cur_real_order_index) {
    01113       u->cur_real_order_index--;
    01114     } else if (sel_ord == u->cur_real_order_index) {
    01115       u->UpdateRealOrderIndex();
    01116     }
    01117
    01118     if (sel_ord < u->cur_implicit_order_index) {
    01119       u->cur_implicit_order_index--;
    01120     } else if (sel_ord == u->cur_implicit_order_index) {
    01121       /* Make sure the index is valid */
    01122       if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
    01123
    01124       /* Skip non-implicit orders for the implicit-order-index (e.g. if the current implicit order was deleted */
    01125       while (u->cur_implicit_order_index != u->cur_real_order_index && !u->GetOrder(u->cur_implicit_order_index)->IsType(OT_IMPLICIT)) {
    01126         u->cur_implicit_order_index++;
    01127         if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
    01128       }
    01129     }
    01130
    01131     /* Update any possible open window of the vehicle */
    01132     InvalidateVehicleOrder(u, sel_ord | (INVALID_VEH_ORDER_ID << 8));
    01133   }
    01134
    01135   /* As we delete an order, the order to skip to will be 'wrong'. */
    01136   VehicleOrderID cur_order_id = 0;
    01137   Order *order = NULL;
    01138   FOR_VEHICLE_ORDERS(v, order) {
    01139     if (order->IsType(OT_CONDITIONAL)) {
    01140       VehicleOrderID order_id = order->GetConditionSkipToOrder();
    01141       if (order_id >= sel_ord) {
    01142         order_id = max(order_id - 1, 0);
    01143       }
    01144       if (order_id == cur_order_id) {
    01145         order_id = (order_id + 1) % v->GetNumOrders();
    01146       }
    01147       order->SetConditionSkipToOrder(order_id);
    01148     }
    01149     cur_order_id++;
    01150   }
    01151
    01152   InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
    01153 }
    01154
    01164 CommandCost CmdSkipToOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01165 {
    01166   VehicleID veh_id = GB(p1, 0, 20);
    01167   VehicleOrderID sel_ord = GB(p2, 0, 8);
    01168
    01169   Vehicle *v = Vehicle::GetIfValid(veh_id);
    01170
    01171   if (v == NULL || !v->IsPrimaryVehicle() || sel_ord == v->cur_implicit_order_index || sel_ord >= v->GetNumOrders() || v->GetNumOrders() < 2) return CMD_ERROR;
    01172
    01173   CommandCost ret = CheckOwnership(v->owner);
    01174   if (ret.Failed()) return ret;
    01175
    01176   if (flags & DC_EXEC) {
    01177     if (v->current_order.IsType(OT_LOADING)) v->LeaveStation();
    01178
    01179     v->cur_implicit_order_index = v->cur_real_order_index = sel_ord;
    01180     v->UpdateRealOrderIndex();
    01181
    01182     InvalidateVehicleOrder(v, VIWD_MODIFY_ORDERS);
    01183   }
    01184
    01185   /* We have an aircraft/ship, they have a mini-schedule, so update them all */
    01186   if (v->type == VEH_AIRCRAFT) SetWindowClassesDirty(WC_AIRCRAFT_LIST);
    01187   if (v->type == VEH_SHIP) SetWindowClassesDirty(WC_SHIPS_LIST);
    01188
    01189   return CommandCost();
    01190 }
    01191
    01205 CommandCost CmdMoveOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01206 {
    01207   VehicleID veh = GB(p1, 0, 20);
    01208   VehicleOrderID moving_order = GB(p2,  0, 16);
    01209   VehicleOrderID target_order = GB(p2, 16, 16);
    01210
    01211   Vehicle *v = Vehicle::GetIfValid(veh);
    01212   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    01213
    01214   CommandCost ret = CheckOwnership(v->owner);
    01215   if (ret.Failed()) return ret;
    01216
    01217   /* Don't make senseless movements */
    01218   if (moving_order >= v->GetNumOrders() || target_order >= v->GetNumOrders() ||
    01219       moving_order == target_order || v->GetNumOrders() <= 1) return CMD_ERROR;
    01220
    01221   Order *moving_one = v->GetOrder(moving_order);
    01222   /* Don't move an empty order */
    01223   if (moving_one == NULL) return CMD_ERROR;
    01224
    01225   if (flags & DC_EXEC) {
    01226     v->orders.list->MoveOrder(moving_order, target_order);
    01227
    01228     /* Update shared list */
    01229     Vehicle *u = v->FirstShared();
    01230
    01231     DeleteOrderWarnings(u);
    01232
    01233     for (; u != NULL; u = u->NextShared()) {
    01234       /* Update the current order.
    01235        * There are multiple ways to move orders, which result in cur_implicit_order_index
    01236        * and cur_real_order_index to not longer make any sense. E.g. moving another
    01237        * real order between them.
    01238        *
    01239        * Basically one could choose to preserve either of them, but not both.
    01240        * While both ways are suitable in this or that case from a human point of view, neither
    01241        * of them makes really sense.
    01242        * However, from an AI point of view, preserving cur_real_order_index is the most
    01243        * predictable and transparent behaviour.
    01244        *
    01245        * With that decision it basically does not matter what we do to cur_implicit_order_index.
    01246        * If we change orders between the implict- and real-index, the implicit orders are mostly likely
    01247        * completely out-dated anyway. So, keep it simple and just keep cur_implicit_order_index as well.
    01248        * The worst which can happen is that a lot of implicit orders are removed when reaching current_order.
    01249        */
    01250       if (u->cur_real_order_index == moving_order) {
    01251         u->cur_real_order_index = target_order;
    01252       } else if (u->cur_real_order_index > moving_order && u->cur_real_order_index <= target_order) {
    01253         u->cur_real_order_index--;
    01254       } else if (u->cur_real_order_index < moving_order && u->cur_real_order_index >= target_order) {
    01255         u->cur_real_order_index++;
    01256       }
    01257
    01258       if (u->cur_implicit_order_index == moving_order) {
    01259         u->cur_implicit_order_index = target_order;
    01260       } else if (u->cur_implicit_order_index > moving_order && u->cur_implicit_order_index <= target_order) {
    01261         u->cur_implicit_order_index--;
    01262       } else if (u->cur_implicit_order_index < moving_order && u->cur_implicit_order_index >= target_order) {
    01263         u->cur_implicit_order_index++;
    01264       }
    01265
    01266       assert(v->orders.list == u->orders.list);
    01267       /* Update any possible open window of the vehicle */
    01268       InvalidateVehicleOrder(u, moving_order | (target_order << 8));
    01269     }
    01270
    01271     /* As we move an order, the order to skip to will be 'wrong'. */
    01272     Order *order;
    01273     FOR_VEHICLE_ORDERS(v, order) {
    01274       if (order->IsType(OT_CONDITIONAL)) {
    01275         VehicleOrderID order_id = order->GetConditionSkipToOrder();
    01276         if (order_id == moving_order) {
    01277           order_id = target_order;
    01278         } else if (order_id > moving_order && order_id <= target_order) {
    01279           order_id--;
    01280         } else if (order_id < moving_order && order_id >= target_order) {
    01281           order_id++;
    01282         }
    01283         order->SetConditionSkipToOrder(order_id);
    01284       }
    01285     }
    01286
    01287     /* Make sure to rebuild the whole list */
    01288     InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
    01289   }
    01290
    01291   return CommandCost();
    01292 }
    01293
    01309 CommandCost CmdModifyOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01310 {
    01311   VehicleOrderID sel_ord = GB(p1, 20,  8);
    01312   VehicleID veh          = GB(p1,  0, 20);
    01313   ModifyOrderFlags mof   = Extract<ModifyOrderFlags, 0, 4>(p2);
    01314   uint16 data            = GB(p2,  4, 11);
    01315
    01316   if (mof >= MOF_END) return CMD_ERROR;
    01317
    01318   Vehicle *v = Vehicle::GetIfValid(veh);
    01319   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    01320
    01321   CommandCost ret = CheckOwnership(v->owner);
    01322   if (ret.Failed()) return ret;
    01323
    01324   /* Is it a valid order? */
    01325   if (sel_ord >= v->GetNumOrders()) return CMD_ERROR;
    01326
    01327   Order *order = v->GetOrder(sel_ord);
    01328   switch (order->GetType()) {
    01329     case OT_GOTO_STATION:
    01330       if (mof == MOF_COND_VARIABLE || mof == MOF_COND_COMPARATOR || mof == MOF_DEPOT_ACTION || mof == MOF_COND_VALUE) return CMD_ERROR;
    01331       break;
    01332
    01333     case OT_GOTO_DEPOT:
    01334       if (mof != MOF_NON_STOP && mof != MOF_DEPOT_ACTION) return CMD_ERROR;
    01335       break;
    01336
    01337     case OT_GOTO_WAYPOINT:
    01338       if (mof != MOF_NON_STOP) return CMD_ERROR;
    01339       break;
    01340
    01341     case OT_CONDITIONAL:
    01342       if (mof != MOF_COND_VARIABLE && mof != MOF_COND_COMPARATOR && mof != MOF_COND_VALUE && mof != MOF_COND_DESTINATION) return CMD_ERROR;
    01343       break;
    01344
    01345     default:
    01346       return CMD_ERROR;
    01347   }
    01348
    01349   switch (mof) {
    01350     default: NOT_REACHED();
    01351
    01352     case MOF_NON_STOP:
    01353       if (!v->IsGroundVehicle()) return CMD_ERROR;
    01354       if (data >= ONSF_END) return CMD_ERROR;
    01355       if (data == order->GetNonStopType()) return CMD_ERROR;
    01356       break;
    01357
    01358     case MOF_STOP_LOCATION:
    01359       if (v->type != VEH_TRAIN) return CMD_ERROR;
    01360       if (data >= OSL_END) return CMD_ERROR;
    01361       break;
    01362
    01363     case MOF_UNLOAD:
    01364       if ((data & ~(OUFB_UNLOAD | OUFB_TRANSFER | OUFB_NO_UNLOAD)) != 0) return CMD_ERROR;
    01365       /* Unload and no-unload are mutual exclusive and so are transfer and no unload. */
    01366       if (data != 0 && ((data & (OUFB_UNLOAD | OUFB_TRANSFER)) != 0) == ((data & OUFB_NO_UNLOAD) != 0)) return CMD_ERROR;
    01367       if (data == order->GetUnloadType()) return CMD_ERROR;
    01368       break;
    01369
    01370     case MOF_LOAD:
    01371       if (data > OLFB_NO_LOAD || data == 1) return CMD_ERROR;
    01372       if (data == order->GetLoadType()) return CMD_ERROR;
    01373       break;
    01374
    01375     case MOF_DEPOT_ACTION:
    01376       if (data >= DA_END) return CMD_ERROR;
    01377       break;
    01378
    01379     case MOF_COND_VARIABLE:
    01380       if (data >= OCV_END) return CMD_ERROR;
    01381       break;
    01382
    01383     case MOF_COND_COMPARATOR:
    01384       if (data >= OCC_END) return CMD_ERROR;
    01385       switch (order->GetConditionVariable()) {
    01386         case OCV_UNCONDITIONALLY: return CMD_ERROR;
    01387
    01388         case OCV_REQUIRES_SERVICE:
    01389           if (data != OCC_IS_TRUE && data != OCC_IS_FALSE) return CMD_ERROR;
    01390           break;
    01391
    01392         default:
    01393           if (data == OCC_IS_TRUE || data == OCC_IS_FALSE) return CMD_ERROR;
    01394           break;
    01395       }
    01396       break;
    01397
    01398     case MOF_COND_VALUE:
    01399       switch (order->GetConditionVariable()) {
    01400         case OCV_UNCONDITIONALLY: return CMD_ERROR;
    01401
    01402         case OCV_LOAD_PERCENTAGE:
    01403         case OCV_RELIABILITY:
    01404           if (data > 100) return CMD_ERROR;
    01405           break;
    01406
    01407         default:
    01408           if (data > 2047) return CMD_ERROR;
    01409           break;
    01410       }
    01411       break;
    01412
    01413     case MOF_COND_DESTINATION:
    01414       if (data >= v->GetNumOrders()) return CMD_ERROR;
    01415       break;
    01416   }
    01417
    01418   if (flags & DC_EXEC) {
    01419     switch (mof) {
    01420       case MOF_NON_STOP:
    01421         order->SetNonStopType((OrderNonStopFlags)data);
    01422         if (data & ONSF_NO_STOP_AT_DESTINATION_STATION) order->SetRefit(CT_NO_REFIT);
    01423         break;
    01424
    01425       case MOF_STOP_LOCATION:
    01426         order->SetStopLocation((OrderStopLocation)data);
    01427         break;
    01428
    01429       case MOF_UNLOAD:
    01430         order->SetUnloadType((OrderUnloadFlags)data);
    01431         break;
    01432
    01433       case MOF_LOAD:
    01434         order->SetLoadType((OrderLoadFlags)data);
    01435         if (data & OLFB_NO_LOAD) order->SetRefit(CT_NO_REFIT);
    01436         break;
    01437
    01438       case MOF_DEPOT_ACTION: {
    01439         switch (data) {
    01440           case DA_ALWAYS_GO:
    01441             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
    01442             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
    01443             break;
    01444
    01445           case DA_SERVICE:
    01446             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() | ODTFB_SERVICE));
    01447             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
    01448             order->SetRefit(CT_NO_REFIT);
    01449             break;
    01450
    01451           case DA_STOP:
    01452             order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
    01453             order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() | ODATFB_HALT));
    01454             order->SetRefit(CT_NO_REFIT);
    01455             break;
    01456
    01457           default:
    01458             NOT_REACHED();
    01459         }
    01460         break;
    01461       }
    01462
    01463       case MOF_COND_VARIABLE: {
    01464         order->SetConditionVariable((OrderConditionVariable)data);
    01465
    01466         OrderConditionComparator occ = order->GetConditionComparator();
    01467         switch (order->GetConditionVariable()) {
    01468           case OCV_UNCONDITIONALLY:
    01469             order->SetConditionComparator(OCC_EQUALS);
    01470             order->SetConditionValue(0);
    01471             break;
    01472
    01473           case OCV_REQUIRES_SERVICE:
    01474             if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) order->SetConditionComparator(OCC_IS_TRUE);
    01475             break;
    01476
    01477           case OCV_LOAD_PERCENTAGE:
    01478           case OCV_RELIABILITY:
    01479             if (order->GetConditionValue() > 100) order->SetConditionValue(100);
    01480             /* FALL THROUGH */
    01481           default:
    01482             if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) order->SetConditionComparator(OCC_EQUALS);
    01483             break;
    01484         }
    01485         break;
    01486       }
    01487
    01488       case MOF_COND_COMPARATOR:
    01489         order->SetConditionComparator((OrderConditionComparator)data);
    01490         break;
    01491
    01492       case MOF_COND_VALUE:
    01493         order->SetConditionValue(data);
    01494         break;
    01495
    01496       case MOF_COND_DESTINATION:
    01497         order->SetConditionSkipToOrder(data);
    01498         break;
    01499
    01500       default: NOT_REACHED();
    01501     }
    01502
    01503     /* Update the windows and full load flags, also for vehicles that share the same order list */
    01504     Vehicle *u = v->FirstShared();
    01505     DeleteOrderWarnings(u);
    01506     for (; u != NULL; u = u->NextShared()) {
    01507       /* Toggle u->current_order "Full load" flag if it changed.
    01508        * However, as the same flag is used for depot orders, check
    01509        * whether we are not going to a depot as there are three
    01510        * cases where the full load flag can be active and only
    01511        * one case where the flag is used for depot orders. In the
    01512        * other cases for the OrderTypeByte the flags are not used,
    01513        * so do not care and those orders should not be active
    01514        * when this function is called.
    01515        */
    01516       if (sel_ord == u->cur_real_order_index &&
    01517           (u->current_order.IsType(OT_GOTO_STATION) || u->current_order.IsType(OT_LOADING)) &&
    01518           u->current_order.GetLoadType() != order->GetLoadType()) {
    01519         u->current_order.SetLoadType(order->GetLoadType());
    01520       }
    01521       InvalidateVehicleOrder(u, VIWD_MODIFY_ORDERS);
    01522     }
    01523   }
    01524
    01525   return CommandCost();
    01526 }
    01527
    01535 static bool CheckAircraftOrderDistance(const Aircraft *v_new, const Vehicle *v_order, const Order *first)
    01536 {
    01537   if (first == NULL || v_new->acache.cached_max_range == 0) return true;
    01538
    01539   /* Iterate over all orders to check the distance between all
    01540    * 'goto' orders and their respective next order (of any type). */
    01541   for (const Order *o = first; o != NULL; o = o->next) {
    01542     switch (o->GetType()) {
    01543       case OT_GOTO_STATION:
    01544       case OT_GOTO_DEPOT:
    01545       case OT_GOTO_WAYPOINT:
    01546         /* If we don't have a next order, we've reached the end and must check the first order instead. */
    01547         if (GetOrderDistance(o, o->next != NULL ? o->next : first, v_order) > v_new->acache.cached_max_range_sqr) return false;
    01548         break;
    01549
    01550       default: break;
    01551     }
    01552   }
    01553
    01554   return true;
    01555 }
    01556
    01568 CommandCost CmdCloneOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01569 {
    01570   VehicleID veh_src = GB(p2, 0, 20);
    01571   VehicleID veh_dst = GB(p1, 0, 20);
    01572
    01573   Vehicle *dst = Vehicle::GetIfValid(veh_dst);
    01574   if (dst == NULL || !dst->IsPrimaryVehicle()) return CMD_ERROR;
    01575
    01576   CommandCost ret = CheckOwnership(dst->owner);
    01577   if (ret.Failed()) return ret;
    01578
    01579   switch (GB(p1, 30, 2)) {
    01580     case CO_SHARE: {
    01581       Vehicle *src = Vehicle::GetIfValid(veh_src);
    01582
    01583       /* Sanity checks */
    01584       if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
    01585
    01586       CommandCost ret = CheckOwnership(src->owner);
    01587       if (ret.Failed()) return ret;
    01588
    01589       /* Trucks can't share orders with busses (and visa versa) */
    01590       if (src->type == VEH_ROAD && RoadVehicle::From(src)->IsBus() != RoadVehicle::From(dst)->IsBus()) {
    01591         return CMD_ERROR;
    01592       }
    01593
    01594       /* Is the vehicle already in the shared list? */
    01595       if (src->FirstShared() == dst->FirstShared()) return CMD_ERROR;
    01596
    01597       const Order *order;
    01598
    01599       FOR_VEHICLE_ORDERS(src, order) {
    01600         if (!OrderGoesToStation(dst, order)) continue;
    01601
    01602         /* Allow copying unreachable destinations if they were already unreachable for the source.
    01603          * This is basically to allow cloning / autorenewing / autoreplacing vehicles, while the stations
    01604          * are temporarily invalid due to reconstruction. */
    01605         const Station *st = Station::Get(order->GetDestination());
    01606         if (CanVehicleUseStation(src, st) && !CanVehicleUseStation(dst, st)) {
    01607           return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
    01608         }
    01609       }
    01610
    01611       /* Check for aircraft range limits. */
    01612       if (dst->type == VEH_AIRCRAFT && !CheckAircraftOrderDistance(Aircraft::From(dst), src, src->GetFirstOrder())) {
    01613         return_cmd_error(STR_ERROR_AIRCRAFT_NOT_ENOUGH_RANGE);
    01614       }
    01615
    01616       if (src->orders.list == NULL && !OrderList::CanAllocateItem()) {
    01617         return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
    01618       }
    01619
    01620       if (flags & DC_EXEC) {
    01621         /* If the destination vehicle had a OrderList, destroy it.
    01622          * We only reset the order indices, if the new orders are obviously different.
    01623          * (We mainly do this to keep the order indices valid and in range.) */
    01624         DeleteVehicleOrders(dst, false, dst->GetNumOrders() != src->GetNumOrders());
    01625
    01626         dst->orders.list = src->orders.list;
    01627
    01628         /* Link this vehicle in the shared-list */
    01629         dst->AddToShared(src);
    01630
    01631         InvalidateVehicleOrder(dst, VIWD_REMOVE_ALL_ORDERS);
    01632         InvalidateVehicleOrder(src, VIWD_MODIFY_ORDERS);
    01633
    01634         InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
    01635       }
    01636       break;
    01637     }
    01638
    01639     case CO_COPY: {
    01640       Vehicle *src = Vehicle::GetIfValid(veh_src);
    01641
    01642       /* Sanity checks */
    01643       if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
    01644
    01645       CommandCost ret = CheckOwnership(src->owner);
    01646       if (ret.Failed()) return ret;
    01647
    01648       /* Trucks can't copy all the orders from busses (and visa versa),
    01649        * and neither can helicopters and aircarft. */
    01650       const Order *order;
    01651       FOR_VEHICLE_ORDERS(src, order) {
    01652         if (OrderGoesToStation(dst, order) &&
    01653             !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) {
    01654           return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER);
    01655         }
    01656       }
    01657
    01658       /* Check for aircraft range limits. */
    01659       if (dst->type == VEH_AIRCRAFT && !CheckAircraftOrderDistance(Aircraft::From(dst), src, src->GetFirstOrder())) {
    01660         return_cmd_error(STR_ERROR_AIRCRAFT_NOT_ENOUGH_RANGE);
    01661       }
    01662
    01663       /* make sure there are orders available */
    01664       if (!Order::CanAllocateItem(src->GetNumOrders()) || !OrderList::CanAllocateItem()) {
    01665         return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
    01666       }
    01667
    01668       if (flags & DC_EXEC) {
    01669         const Order *order;
    01670         Order *first = NULL;
    01671         Order **order_dst;
    01672
    01673         /* If the destination vehicle had an order list, destroy the chain but keep the OrderList.
    01674          * We only reset the order indices, if the new orders are obviously different.
    01675          * (We mainly do this to keep the order indices valid and in range.) */
    01676         DeleteVehicleOrders(dst, true, dst->GetNumOrders() != src->GetNumOrders());
    01677
    01678         order_dst = &first;
    01679         FOR_VEHICLE_ORDERS(src, order) {
    01680           *order_dst = new Order();
    01681           (*order_dst)->AssignOrder(*order);
    01682           order_dst = &(*order_dst)->next;
    01683         }
    01684         if (dst->orders.list == NULL) {
    01685           dst->orders.list = new OrderList(first, dst);
    01686         } else {
    01687           assert(dst->orders.list->GetFirstOrder() == NULL);
    01688           assert(!dst->orders.list->IsShared());
    01689           delete dst->orders.list;
    01690           assert(OrderList::CanAllocateItem());
    01691           dst->orders.list = new OrderList(first, dst);
    01692         }
    01693
    01694         InvalidateVehicleOrder(dst, VIWD_REMOVE_ALL_ORDERS);
    01695
    01696         InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
    01697       }
    01698       break;
    01699     }
    01700
    01701     case CO_UNSHARE: return DecloneOrder(dst, flags);
    01702     default: return CMD_ERROR;
    01703   }
    01704
    01705   return CommandCost();
    01706 }
    01707
    01720 CommandCost CmdOrderRefit(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    01721 {
    01722   VehicleID veh = GB(p1, 0, 20);
    01723   VehicleOrderID order_number  = GB(p2, 16, 8);
    01724   CargoID cargo = GB(p2, 0, 8);
    01725   byte subtype  = GB(p2, 8, 8);
    01726
    01727   if (cargo >= NUM_CARGO && cargo != CT_NO_REFIT && cargo != CT_AUTO_REFIT) return CMD_ERROR;
    01728
    01729   const Vehicle *v = Vehicle::GetIfValid(veh);
    01730   if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR;
    01731
    01732   CommandCost ret = CheckOwnership(v->owner);
    01733   if (ret.Failed()) return ret;
    01734
    01735   Order *order = v->GetOrder(order_number);
    01736   if (order == NULL) return CMD_ERROR;
    01737
    01738   /* Automatic refit cargo is only supported for goto station orders. */
    01739   if (cargo == CT_AUTO_REFIT && !order->IsType(OT_GOTO_STATION)) return CMD_ERROR;
    01740
    01741   if (flags & DC_EXEC) {
    01742     order->SetRefit(cargo, subtype);
    01743
    01744     /* Make the depot order an 'always go' order. */
    01745     if (cargo != CT_NO_REFIT && order->IsType(OT_GOTO_DEPOT)) {
    01746       order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
    01747       order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
    01748     }
    01749
    01750     for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) {
    01751       /* Update any possible open window of the vehicle */
    01752       InvalidateVehicleOrder(u, VIWD_MODIFY_ORDERS);
    01753
    01754       /* If the vehicle already got the current depot set as current order, then update current order as well */
    01755       if (u->cur_real_order_index == order_number && (u->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) {
    01756         u->current_order.SetRefit(cargo, subtype);
    01757       }
    01758     }
    01759   }
    01760
    01761   return CommandCost();
    01762 }
    01763
    01764
    01770 void CheckOrders(const Vehicle *v)
    01771 {
    01772   /* Does the user wants us to check things? */
    01773   if (_settings_client.gui.order_review_system == 0) return;
    01774
    01775   /* Do nothing for crashed vehicles */
    01776   if (v->vehstatus & VS_CRASHED) return;
    01777
    01778   /* Do nothing for stopped vehicles if setting is '1' */
    01779   if (_settings_client.gui.order_review_system == 1 && (v->vehstatus & VS_STOPPED)) return;
    01780
    01781   /* do nothing we we're not the first vehicle in a share-chain */
    01782   if (v->FirstShared() != v) return;
    01783
    01784   /* Only check every 20 days, so that we don't flood the message log */
    01785   if (v->owner == _local_company && v->day_counter % 20 == 0) {
    01786     int n_st, problem_type = -1;
    01787     const Order *order;
    01788     int message = 0;
    01789
    01790     /* Check the order list */
    01791     n_st = 0;
    01792
    01793     FOR_VEHICLE_ORDERS(v, order) {
    01794       /* Dummy order? */
    01795       if (order->IsType(OT_DUMMY)) {
    01796         problem_type = 1;
    01797         break;
    01798       }
    01799       /* Does station have a load-bay for this vehicle? */
    01800       if (order->IsType(OT_GOTO_STATION)) {
    01801         const Station *st = Station::Get(order->GetDestination());
    01802
    01803         n_st++;
    01804         if (!CanVehicleUseStation(v, st)) problem_type = 3;
    01805       }
    01806     }
    01807
    01808     /* Check if the last and the first order are the same */
    01809     if (v->GetNumOrders() > 1) {
    01810       const Order *last = v->GetLastOrder();
    01811
    01812       if (v->orders.list->GetFirstOrder()->Equals(*last)) {
    01813         problem_type = 2;
    01814       }
    01815     }
    01816
    01817     /* Do we only have 1 station in our order list? */
    01818     if (n_st < 2 && problem_type == -1) problem_type = 0;
    01819
    01820 #ifndef NDEBUG
    01821     if (v->orders.list != NULL) v->orders.list->DebugCheckSanity();
    01822 #endif
    01823
    01824     /* We don't have a problem */
    01825     if (problem_type < 0) return;
    01826
    01827     message = STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS + problem_type;
    01828     //DEBUG(misc, 3, "Triggered News Item for vehicle %d", v->index);
    01829
    01830     SetDParam(0, v->index);
    01831     AddVehicleAdviceNewsItem(message, v->index);
    01832   }
    01833 }
    01834
    01840 void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination)
    01841 {
    01842   Vehicle *v;
    01843
    01844   /* Aircraft have StationIDs for depot orders and never use DepotIDs
    01845    * This fact is handled specially below
    01846    */
    01847
    01848   /* Go through all vehicles */
    01849   FOR_ALL_VEHICLES(v) {
    01850     Order *order;
    01851
    01852     order = &v->current_order;
    01853     if ((v->type == VEH_AIRCRAFT && order->IsType(OT_GOTO_DEPOT) ? OT_GOTO_STATION : order->GetType()) == type &&
    01854         v->current_order.GetDestination() == destination) {
    01855       order->MakeDummy();
    01856       SetWindowDirty(WC_VEHICLE_VIEW, v->index);
    01857     }
    01858
    01859     /* Clear the order from the order-list */
    01860     int id = -1;
    01861     FOR_VEHICLE_ORDERS(v, order) {
    01862       id++;
    01863 restart:
    01864
    01865       OrderType ot = order->GetType();
    01866       if (ot == OT_GOTO_DEPOT && (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) continue;
    01867       if (ot == OT_IMPLICIT || (v->type == VEH_AIRCRAFT && ot == OT_GOTO_DEPOT)) ot = OT_GOTO_STATION;
    01868       if (ot == type && order->GetDestination() == destination) {
    01869         /* We want to clear implicit orders, but we don't want to make them
    01870          * dummy orders. They should just vanish. Also check the actual order
    01871          * type as ot is currently OT_GOTO_STATION. */
    01872         if (order->IsType(OT_IMPLICIT)) {
    01873           order = order->next; // DeleteOrder() invalidates current order
    01874           DeleteOrder(v, id);
    01875           if (order != NULL) goto restart;
    01876           break;
    01877         }
    01878
    01879         order->MakeDummy();
    01880         for (const Vehicle *w = v->FirstShared(); w != NULL; w = w->NextShared()) {
    01881           /* In GUI, simulate by removing the order and adding it back */
    01882           InvalidateVehicleOrder(w, id | (INVALID_VEH_ORDER_ID << 8));
    01883           InvalidateVehicleOrder(w, (INVALID_VEH_ORDER_ID << 8) | id);
    01884         }
    01885       }
    01886     }
    01887   }
    01888
    01889   OrderBackup::RemoveOrder(type, destination);
    01890 }
    01891
    01896 bool Vehicle::HasDepotOrder() const
    01897 {
    01898   const Order *order;
    01899
    01900   FOR_VEHICLE_ORDERS(this, order) {
    01901     if (order->IsType(OT_GOTO_DEPOT)) return true;
    01902   }
    01903
    01904   return false;
    01905 }
    01906
    01916 void DeleteVehicleOrders(Vehicle *v, bool keep_orderlist, bool reset_order_indices)
    01917 {
    01918   DeleteOrderWarnings(v);
    01919
    01920   if (v->IsOrderListShared()) {
    01921     /* Remove ourself from the shared order list. */
    01922     v->RemoveFromShared();
    01923     v->orders.list = NULL;
    01924   } else if (v->orders.list != NULL) {
    01925     /* Remove the orders */
    01926     v->orders.list->FreeChain(keep_orderlist);
    01927     if (!keep_orderlist) v->orders.list = NULL;
    01928   }
    01929
    01930   if (reset_order_indices) {
    01931     v->cur_implicit_order_index = v->cur_real_order_index = 0;
    01932     if (v->current_order.IsType(OT_LOADING)) {
    01933       CancelLoadingDueToDeletedOrder(v);
    01934     }
    01935   }
    01936 }
    01937
    01945 uint16 GetServiceIntervalClamped(uint interval, CompanyID company_id)
    01946 {
    01947   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);
    01948 }
    01949
    01958 static bool CheckForValidOrders(const Vehicle *v)
    01959 {
    01960   const Order *order;
    01961
    01962   FOR_VEHICLE_ORDERS(v, order) {
    01963     switch (order->GetType()) {
    01964       case OT_GOTO_STATION:
    01965       case OT_GOTO_DEPOT:
    01966       case OT_GOTO_WAYPOINT:
    01967         return true;
    01968
    01969       default:
    01970         break;
    01971     }
    01972   }
    01973
    01974   return false;
    01975 }
    01976
    01980 static bool OrderConditionCompare(OrderConditionComparator occ, int variable, int value)
    01981 {
    01982   switch (occ) {
    01983     case OCC_EQUALS:      return variable == value;
    01984     case OCC_NOT_EQUALS:  return variable != value;
    01985     case OCC_LESS_THAN:   return variable <  value;
    01986     case OCC_LESS_EQUALS: return variable <= value;
    01987     case OCC_MORE_THAN:   return variable >  value;
    01988     case OCC_MORE_EQUALS: return variable >= value;
    01989     case OCC_IS_TRUE:     return variable != 0;
    01990     case OCC_IS_FALSE:    return variable == 0;
    01991     default: NOT_REACHED();
    01992   }
    01993 }
    01994
    02001 VehicleOrderID ProcessConditionalOrder(const Order *order, const Vehicle *v)
    02002 {
    02003   if (order->GetType() != OT_CONDITIONAL) return INVALID_VEH_ORDER_ID;
    02004
    02005   bool skip_order = false;
    02006   OrderConditionComparator occ = order->GetConditionComparator();
    02007   uint16 value = order->GetConditionValue();
    02008
    02009   switch (order->GetConditionVariable()) {
    02010     case OCV_LOAD_PERCENTAGE:    skip_order = OrderConditionCompare(occ, CalcPercentVehicleFilled(v, NULL), value); break;
    02011     case OCV_RELIABILITY:        skip_order = OrderConditionCompare(occ, ToPercent16(v->reliability),       value); break;
    02012     case OCV_MAX_SPEED:          skip_order = OrderConditionCompare(occ, v->GetDisplayMaxSpeed() * 10 / 16, value); break;
    02013     case OCV_AGE:                skip_order = OrderConditionCompare(occ, v->age / DAYS_IN_LEAP_YEAR,        value); break;
    02014     case OCV_REQUIRES_SERVICE:   skip_order = OrderConditionCompare(occ, v->NeedsServicing(),               value); break;
    02015     case OCV_UNCONDITIONALLY:    skip_order = true; break;
    02016     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;
    02017     default: NOT_REACHED();
    02018   }
    02019
    02020   return skip_order ? order->GetConditionSkipToOrder() : (VehicleOrderID)INVALID_VEH_ORDER_ID;
    02021 }
    02022
    02030 bool UpdateOrderDest(Vehicle *v, const Order *order, int conditional_depth, bool pbs_look_ahead)
    02031 {
    02032   if (conditional_depth > v->GetNumOrders()) return false;
    02033
    02034   switch (order->GetType()) {
    02035     case OT_GOTO_STATION:
    02036       v->dest_tile = v->GetOrderStationLocation(order->GetDestination());
    02037       return true;
    02038
    02039     case OT_GOTO_DEPOT:
    02040       if ((order->GetDepotOrderType() & ODTFB_SERVICE) && !v->NeedsServicing()) {
    02041         assert(!pbs_look_ahead);
    02042         UpdateVehicleTimetable(v, true);
    02043         v->IncrementRealOrderIndex();
    02044         break;
    02045       }
    02046
    02047       if (v->current_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) {
    02048         /* We need to search for the nearest depot (hangar). */
    02049         TileIndex location;
    02050         DestinationID destination;
    02051         bool reverse;
    02052
    02053         if (v->FindClosestDepot(&location, &destination, &reverse)) {
    02054           /* PBS reservations cannot reverse */
    02055           if (pbs_look_ahead && reverse) return false;
    02056
    02057           v->dest_tile = location;
    02058           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());
    02059
    02060           /* If there is no depot in front, reverse automatically (trains only) */
    02061           if (v->type == VEH_TRAIN && reverse) DoCommand(v->tile, v->index, 0, DC_EXEC, CMD_REVERSE_TRAIN_DIRECTION);
    02062
    02063           if (v->type == VEH_AIRCRAFT) {
    02064             Aircraft *a = Aircraft::From(v);
    02065             if (a->state == FLYING && a->targetairport != destination) {
    02066               /* The aircraft is now heading for a different hangar than the next in the orders */
    02067               extern void AircraftNextAirportPos_and_Order(Aircraft *a);
    02068               AircraftNextAirportPos_and_Order(a);
    02069             }
    02070           }
    02071           return true;
    02072         }
    02073
    02074         /* If there is no depot, we cannot help PBS either. */
    02075         if (pbs_look_ahead) return false;
    02076
    02077         UpdateVehicleTimetable(v, true);
    02078         v->IncrementRealOrderIndex();
    02079       } else {
    02080         if (v->type != VEH_AIRCRAFT) {
    02081           v->dest_tile = Depot::Get(order->GetDestination())->xy;
    02082         }
    02083         return true;
    02084       }
    02085       break;
    02086
    02087     case OT_GOTO_WAYPOINT:
    02088       v->dest_tile = Waypoint::Get(order->GetDestination())->xy;
    02089       return true;
    02090
    02091     case OT_CONDITIONAL: {
    02092       assert(!pbs_look_ahead);
    02093       VehicleOrderID next_order = ProcessConditionalOrder(order, v);
    02094       if (next_order != INVALID_VEH_ORDER_ID) {
    02095         /* Jump to next_order. cur_implicit_order_index becomes exactly that order,
    02096          * cur_real_order_index might come after next_order. */
    02097         UpdateVehicleTimetable(v, false);
    02098         v->cur_implicit_order_index = v->cur_real_order_index = next_order;
    02099         v->UpdateRealOrderIndex();
    02100         v->current_order_time += v->GetOrder(v->cur_real_order_index)->travel_time;
    02101
    02102         /* Disable creation of implicit orders.
    02103          * When inserting them we do not know that we would have to make the conditional orders point to them. */
    02104         if (v->IsGroundVehicle()) {
    02105           uint16 &gv_flags = v->GetGroundVehicleFlags();
    02106           SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
    02107         }
    02108       } else {
    02109         UpdateVehicleTimetable(v, true);
    02110         v->IncrementRealOrderIndex();
    02111       }
    02112       break;
    02113     }
    02114
    02115     default:
    02116       v->dest_tile = 0;
    02117       return false;
    02118   }
    02119
    02120   assert(v->cur_implicit_order_index < v->GetNumOrders());
    02121   assert(v->cur_real_order_index < v->GetNumOrders());
    02122
    02123   /* Get the current order */
    02124   order = v->GetOrder(v->cur_real_order_index);
    02125   if (order != NULL && order->IsType(OT_IMPLICIT)) {
    02126     assert(v->GetNumManualOrders() == 0);
    02127     order = NULL;
    02128   }
    02129
    02130   if (order == NULL) {
    02131     v->current_order.Free();
    02132     v->dest_tile = 0;
    02133     return false;
    02134   }
    02135
    02136   v->current_order = *order;
    02137   return UpdateOrderDest(v, order, conditional_depth + 1, pbs_look_ahead);
    02138 }
    02139
    02147 bool ProcessOrders(Vehicle *v)
    02148 {
    02149   switch (v->current_order.GetType()) {
    02150     case OT_GOTO_DEPOT:
    02151       /* Let a depot order in the orderlist interrupt. */
    02152       if (!(v->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) return false;
    02153       break;
    02154
    02155     case OT_LOADING:
    02156       return false;
    02157
    02158     case OT_LEAVESTATION:
    02159       if (v->type != VEH_AIRCRAFT) return false;
    02160       break;
    02161
    02162     default: break;
    02163   }
    02164
    02172   bool may_reverse = v->current_order.IsType(OT_NOTHING);
    02173
    02174   /* Check if we've reached a 'via' destination. */
    02175   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)) &&
    02176       IsTileType(v->tile, MP_STATION) &&
    02177       v->current_order.GetDestination() == GetStationIndex(v->tile)) {
    02178     v->DeleteUnreachedImplicitOrders();
    02179     /* We set the last visited station here because we do not want
    02180      * the train to stop at this 'via' station if the next order
    02181      * is a no-non-stop order; in that case not setting the last
    02182      * visited station will cause the vehicle to still stop. */
    02183     v->last_station_visited = v->current_order.GetDestination();
    02184     UpdateVehicleTimetable(v, true);
    02185     v->IncrementImplicitOrderIndex();
    02186   }
    02187
    02188   /* Get the current order */
    02189   assert(v->cur_implicit_order_index == 0 || v->cur_implicit_order_index < v->GetNumOrders());
    02190   v->UpdateRealOrderIndex();
    02191
    02192   const Order *order = v->GetOrder(v->cur_real_order_index);
    02193   if (order != NULL && order->IsType(OT_IMPLICIT)) {
    02194     assert(v->GetNumManualOrders() == 0);
    02195     order = NULL;
    02196   }
    02197
    02198   /* If no order, do nothing. */
    02199   if (order == NULL || (v->type == VEH_AIRCRAFT && !CheckForValidOrders(v))) {
    02200     if (v->type == VEH_AIRCRAFT) {
    02201       /* Aircraft do something vastly different here, so handle separately */
    02202       extern void HandleMissingAircraftOrders(Aircraft *v);
    02203       HandleMissingAircraftOrders(Aircraft::From(v));
    02204       return false;
    02205     }
    02206
    02207     v->current_order.Free();
    02208     v->dest_tile = 0;
    02209     return false;
    02210   }
    02211
    02212   /* If it is unchanged, keep it. */
    02213   if (order->Equals(v->current_order) && (v->type == VEH_AIRCRAFT || v->dest_tile != 0) &&
    02214       (v->type != VEH_SHIP || !order->IsType(OT_GOTO_STATION) || Station::Get(order->GetDestination())->dock_tile != INVALID_TILE)) {
    02215     return false;
    02216   }
    02217
    02218   /* Otherwise set it, and determine the destination tile. */
    02219   v->current_order = *order;
    02220
    02221   InvalidateVehicleOrder(v, VIWD_MODIFY_ORDERS);
    02222   switch (v->type) {
    02223     default:
    02224       NOT_REACHED();
    02225
    02226     case VEH_ROAD:
    02227     case VEH_TRAIN:
    02228       break;
    02229
    02230     case VEH_AIRCRAFT:
    02231     case VEH_SHIP:
    02232       SetWindowClassesDirty(GetWindowClassForVehicleType(v->type));
    02233       break;
    02234   }
    02235
    02236   return UpdateOrderDest(v, order) && may_reverse;
    02237 }
    02238
    02246 bool Order::ShouldStopAtStation(const Vehicle *v, StationID station) const
    02247 {
    02248   bool is_dest_station = this->IsType(OT_GOTO_STATION) && this->dest == station;
    02249
    02250   return (!this->IsType(OT_GOTO_DEPOT) || (this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0) &&
    02251       v->last_station_visited != station && // Do stop only when we've not just been there
    02252       /* Finally do stop when there is no non-stop flag set for this type of station. */
    02253       !(this->GetNonStopType() & (is_dest_station ? ONSF_NO_STOP_AT_DESTINATION_STATION : ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS));
    02254 }
    02255
    02256 bool Order::CanLoadOrUnload() const
    02257 {
    02258   return (this->IsType(OT_GOTO_STATION) || this->IsType(OT_IMPLICIT)) &&
    02259       (this->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) == 0 &&
    02260       ((this->GetLoadType() & OLFB_NO_LOAD) == 0 ||
    02261       (this->GetUnloadType() & OUFB_NO_UNLOAD) == 0);
    02262 }
    02263
    02270 bool Order::CanLeaveWithCargo(bool has_cargo) const
    02271 {
    02272   return (this->GetLoadType() & OLFB_NO_LOAD) == 0 || (has_cargo &&
    02273       (this->GetUnloadType() & (OUFB_UNLOAD | OUFB_TRANSFER)) == 0);
    02274 }