/* $Id$ */ /* * This file is part of OpenTTD. * 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. * 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. * 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/>. */ /** @file order_cmd.cpp Handling of orders. */ #include "stdafx.h" #include "debug.h" #include "cmd_helper.h" #include "command_func.h" #include "company_func.h" #include "news_func.h" #include "vehicle_gui.h" #include "strings_func.h" #include "functions.h" #include "window_func.h" #include "timetable.h" #include "vehicle_func.h" #include "depot_base.h" #include "core/pool_func.hpp" #include "aircraft.h" #include "roadveh.h" #include "station_base.h" #include "waypoint_base.h" #include "company_base.h" #include "table/strings.h" /* DestinationID must be at least as large as every these below, because it can * be any of them */ assert_compile(sizeof(DestinationID) >= sizeof(DepotID)); assert_compile(sizeof(DestinationID) >= sizeof(StationID)); OrderPool _order_pool("Order"); INSTANTIATE_POOL_METHODS(Order) OrderListPool _orderlist_pool("OrderList"); INSTANTIATE_POOL_METHODS(OrderList) void Order::Free() { this->type = OT_NOTHING; this->flags = 0; this->dest = 0; this->next = NULL; } void Order::MakeGoToStation(StationID destination) { this->type = OT_GOTO_STATION; this->flags = 0; this->dest = destination; } void Order::MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type, OrderDepotActionFlags action, CargoID cargo, byte subtype) { this->type = OT_GOTO_DEPOT; this->SetDepotOrderType(order); this->SetDepotActionType(action); this->SetNonStopType(non_stop_type); this->dest = destination; this->SetRefit(cargo, subtype); } void Order::MakeGoToWaypoint(StationID destination) { this->type = OT_GOTO_WAYPOINT; this->flags = 0; this->dest = destination; } void Order::MakeLoading(bool ordered) { this->type = OT_LOADING; if (!ordered) this->flags = 0; } void Order::MakeLeaveStation() { this->type = OT_LEAVESTATION; this->flags = 0; } void Order::MakeDummy() { this->type = OT_DUMMY; this->flags = 0; } void Order::MakeConditional(VehicleOrderID order) { this->type = OT_CONDITIONAL; this->flags = order; this->dest = 0; } void Order::SetRefit(CargoID cargo, byte subtype) { this->refit_cargo = cargo; this->refit_subtype = subtype; } bool Order::Equals(const Order &other) const { /* In case of go to nearest depot orders we need "only" compare the flags * with the other and not the nearest depot order bit or the actual * destination because those get clear/filled in during the order * evaluation. If we do not do this the order will continuously be seen as * a different order and it will try to find a "nearest depot" every tick. */ if ((this->IsType(OT_GOTO_DEPOT) && this->type == other.type) && ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0 || (other.GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0)) { return this->GetDepotOrderType() == other.GetDepotOrderType() && (this->GetDepotActionType() & ~ODATFB_NEAREST_DEPOT) == (other.GetDepotActionType() & ~ODATFB_NEAREST_DEPOT); } return this->type == other.type && this->flags == other.flags && this->dest == other.dest; } uint32 Order::Pack() const { return this->dest << 16 | this->flags << 8 | this->type; } uint16 Order::MapOldOrder() const { uint16 order = this->GetType(); switch (this->type) { case OT_GOTO_STATION: if (this->GetUnloadType() & OUFB_UNLOAD) SetBit(order, 5); if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6); if (this->GetNonStopType() & ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS) SetBit(order, 7); order |= GB(this->GetDestination(), 0, 8) << 8; break; case OT_GOTO_DEPOT: if (!(this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) SetBit(order, 6); SetBit(order, 7); order |= GB(this->GetDestination(), 0, 8) << 8; break; case OT_LOADING: if (this->GetLoadType() & OLFB_FULL_LOAD) SetBit(order, 6); break; } return order; } Order::Order(uint32 packed) { this->type = (OrderType)GB(packed, 0, 8); this->flags = GB(packed, 8, 8); this->dest = GB(packed, 16, 16); this->next = NULL; this->refit_cargo = CT_NO_REFIT; this->refit_subtype = 0; this->wait_time = 0; this->travel_time = 0; } /** * * Updates the widgets of a vehicle which contains the order-data * */ void InvalidateVehicleOrder(const Vehicle *v, int data) { SetWindowDirty(WC_VEHICLE_VIEW, v->index); if (data != 0) { /* Calls SetDirty() too */ InvalidateWindowData(WC_VEHICLE_ORDERS, v->index, data); InvalidateWindowData(WC_VEHICLE_TIMETABLE, v->index, data); return; } SetWindowDirty(WC_VEHICLE_ORDERS, v->index); SetWindowDirty(WC_VEHICLE_TIMETABLE, v->index); } /** * * Assign data to an order (from another order) * This function makes sure that the index is maintained correctly * */ void Order::AssignOrder(const Order &other) { this->type = other.type; this->flags = other.flags; this->dest = other.dest; this->refit_cargo = other.refit_cargo; this->refit_subtype = other.refit_subtype; this->wait_time = other.wait_time; this->travel_time = other.travel_time; } void OrderList::Initialize(Order *chain, Vehicle *v) { this->first = chain; this->first_shared = v; this->num_orders = 0; this->num_vehicles = 1; this->timetable_duration = 0; for (Order *o = this->first; o != NULL; o = o->next) { ++this->num_orders; this->timetable_duration += o->wait_time + o->travel_time; } for (Vehicle *u = this->first_shared->PreviousShared(); u != NULL; u = u->PreviousShared()) { ++this->num_vehicles; this->first_shared = u; } for (const Vehicle *u = v->NextShared(); u != NULL; u = u->NextShared()) ++this->num_vehicles; } void OrderList::FreeChain(bool keep_orderlist) { Order *next; for (Order *o = this->first; o != NULL; o = next) { next = o->next; delete o; } if (keep_orderlist) { this->first = NULL; this->num_orders = 0; this->timetable_duration = 0; } else { delete this; } } Order *OrderList::GetOrderAt(int index) const { if (index < 0) return NULL; Order *order = this->first; while (order != NULL && index-- > 0) { order = order->next; } return order; } void OrderList::InsertOrderAt(Order *new_order, int index) { if (this->first == NULL) { this->first = new_order; } else { if (index == 0) { /* Insert as first or only order */ new_order->next = this->first; this->first = new_order; } else if (index >= this->num_orders) { /* index is after the last order, add it to the end */ this->GetLastOrder()->next = new_order; } else { /* Put the new order in between */ Order *order = this->GetOrderAt(index - 1); new_order->next = order->next; order->next = new_order; } } ++this->num_orders; this->timetable_duration += new_order->wait_time + new_order->travel_time; } void OrderList::DeleteOrderAt(int index) { if (index >= this->num_orders) return; Order *to_remove; if (index == 0) { to_remove = this->first; this->first = to_remove->next; } else { Order *prev = GetOrderAt(index - 1); to_remove = prev->next; prev->next = to_remove->next; } --this->num_orders; this->timetable_duration -= (to_remove->wait_time + to_remove->travel_time); delete to_remove; } void OrderList::MoveOrder(int from, int to) { if (from >= this->num_orders || to >= this->num_orders || from == to) return; Order *moving_one; /* Take the moving order out of the pointer-chain */ if (from == 0) { moving_one = this->first; this->first = moving_one->next; } else { Order *one_before = GetOrderAt(from - 1); moving_one = one_before->next; one_before->next = moving_one->next; } /* Insert the moving_order again in the pointer-chain */ if (to == 0) { moving_one->next = this->first; this->first = moving_one; } else { Order *one_before = GetOrderAt(to - 1); moving_one->next = one_before->next; one_before->next = moving_one; } } void OrderList::RemoveVehicle(Vehicle *v) { --this->num_vehicles; if (v == this->first_shared) this->first_shared = v->NextShared(); } bool OrderList::IsVehicleInSharedOrdersList(const Vehicle *v) const { for (const Vehicle *v_shared = this->first_shared; v_shared != NULL; v_shared = v_shared->NextShared()) { if (v_shared == v) return true; } return false; } int OrderList::GetPositionInSharedOrderList(const Vehicle *v) const { int count = 0; for (const Vehicle *v_shared = v->PreviousShared(); v_shared != NULL; v_shared = v_shared->PreviousShared()) count++; return count; } bool OrderList::IsCompleteTimetable() const { for (Order *o = this->first; o != NULL; o = o->next) { if (!o->IsCompletelyTimetabled()) return false; } return true; } void OrderList::DebugCheckSanity() const { VehicleOrderID check_num_orders = 0; uint check_num_vehicles = 0; Ticks check_timetable_duration = 0; DEBUG(misc, 6, "Checking OrderList %hu for sanity...", this->index); for (const Order *o = this->first; o != NULL; o = o->next) { ++check_num_orders; check_timetable_duration += o->wait_time + o->travel_time; } assert(this->num_orders == check_num_orders); assert(this->timetable_duration == check_timetable_duration); for (const Vehicle *v = this->first_shared; v != NULL; v = v->NextShared()) { ++check_num_vehicles; assert(v->orders.list == this); } assert(this->num_vehicles == check_num_vehicles); DEBUG(misc, 6, "... detected %u orders, %u vehicles, %i ticks", (uint)this->num_orders, this->num_vehicles, this->timetable_duration); } /** * Checks whether the order goes to a station or not, i.e. whether the * destination is a station * @param v the vehicle to check for * @param o the order to check * @return true if the destination is a station */ static inline bool OrderGoesToStation(const Vehicle *v, const Order *o) { return o->IsType(OT_GOTO_STATION) || (v->type == VEH_AIRCRAFT && o->IsType(OT_GOTO_DEPOT) && !(o->GetDepotActionType() & ODATFB_NEAREST_DEPOT)); } /** * Delete all news items regarding defective orders about a vehicle * This could kill still valid warnings (for example about void order when just * another order gets added), but assume the company will notice the problems, * when (s)he's changing the orders. */ static void DeleteOrderWarnings(const Vehicle *v) { DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS); DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_VOID_ORDER); DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_DUPLICATE_ENTRY); DeleteVehicleNews(v->index, STR_NEWS_VEHICLE_HAS_INVALID_ENTRY); } /** * Returns a tile somewhat representing the order destination (not suitable for pathfinding). * @param v The vehicle to get the location for. * @return destination of order, or INVALID_TILE if none. */ TileIndex Order::GetLocation(const Vehicle *v) const { switch (this->GetType()) { case OT_GOTO_WAYPOINT: case OT_GOTO_STATION: return BaseStation::Get(this->GetDestination())->xy; case OT_GOTO_DEPOT: if ((this->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) return INVALID_TILE; return (v->type == VEH_AIRCRAFT) ? Station::Get(this->GetDestination())->xy : Depot::Get(this->GetDestination())->xy; default: return INVALID_TILE; } } static uint GetOrderDistance(const Order *prev, const Order *cur, const Vehicle *v, int conditional_depth = 0) { assert(v->type == VEH_SHIP); if (cur->IsType(OT_CONDITIONAL)) { if (conditional_depth > v->GetNumOrders()) return 0; conditional_depth++; int dist1 = GetOrderDistance(prev, v->GetOrder(cur->GetConditionSkipToOrder()), v, conditional_depth); int dist2 = GetOrderDistance(prev, cur->next == NULL ? v->orders.list->GetFirstOrder() : cur->next, v, conditional_depth); return max(dist1, dist2); } TileIndex prev_tile = prev->GetLocation(v); TileIndex cur_tile = cur->GetLocation(v); if (prev_tile == INVALID_TILE || cur_tile == INVALID_TILE) return 0; return DistanceManhattan(prev_tile, cur_tile); } /** * Add an order to the orderlist of a vehicle. * @param tile unused * @param flags operation to perform * @param p1 various bitstuffed elements * - p1 = (bit 0 - 19) - ID of the vehicle * - p1 = (bit 24 - 31) - the selected order (if any). If the last order is given, * the order will be inserted before that one * the maximum vehicle order id is 254. * @param p2 packed order to insert * @param text unused * @return the cost of this operation or an error */ CommandCost CmdInsertOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) { VehicleID veh = GB(p1, 0, 20); VehicleOrderID sel_ord = GB(p1, 20, 8); Order new_order(p2); Vehicle *v = Vehicle::GetIfValid(veh); if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR; CommandCost ret = CheckOwnership(v->owner); if (ret.Failed()) return ret; /* Check if the inserted order is to the correct destination (owner, type), * and has the correct flags if any */ switch (new_order.GetType()) { case OT_GOTO_STATION: { const Station *st = Station::GetIfValid(new_order.GetDestination()); if (st == NULL) return CMD_ERROR; if (st->owner != OWNER_NONE) { CommandCost ret = CheckOwnership(st->owner); if (ret.Failed()) return ret; } if (!CanVehicleUseStation(v, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER); for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) { if (!CanVehicleUseStation(u, st)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER_SHARED); } /* Non stop not allowed for non-trains. */ if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && v->type != VEH_TRAIN && v->type != VEH_ROAD) return CMD_ERROR; /* No load and no unload are mutual exclusive. */ if ((new_order.GetLoadType() & OLFB_NO_LOAD) && (new_order.GetUnloadType() & OUFB_NO_UNLOAD)) return CMD_ERROR; /* Filter invalid load/unload types. */ switch (new_order.GetLoadType()) { case OLF_LOAD_IF_POSSIBLE: case OLFB_FULL_LOAD: case OLF_FULL_LOAD_ANY: case OLFB_NO_LOAD: break; default: return CMD_ERROR; } switch (new_order.GetUnloadType()) { case OUF_UNLOAD_IF_POSSIBLE: case OUFB_UNLOAD: case OUFB_TRANSFER: case OUFB_NO_UNLOAD: break; default: return CMD_ERROR; } /* Filter invalid stop locations */ switch (new_order.GetStopLocation()) { case OSL_PLATFORM_NEAR_END: case OSL_PLATFORM_MIDDLE: if (v->type != VEH_TRAIN) return CMD_ERROR; /* FALL THROUGH */ case OSL_PLATFORM_FAR_END: break; default: return CMD_ERROR; } break; } case OT_GOTO_DEPOT: { if ((new_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) == 0) { if (v->type == VEH_AIRCRAFT) { const Station *st = Station::GetIfValid(new_order.GetDestination()); if (st == NULL) return CMD_ERROR; CommandCost ret = CheckOwnership(st->owner); if (ret.Failed()) return ret; if (!CanVehicleUseStation(v, st) || !st->airport.HasHangar()) { return CMD_ERROR; } } else { const Depot *dp = Depot::GetIfValid(new_order.GetDestination()); if (dp == NULL) return CMD_ERROR; CommandCost ret = CheckOwnership(GetTileOwner(dp->xy)); if (ret.Failed()) return ret; switch (v->type) { case VEH_TRAIN: if (!IsRailDepotTile(dp->xy)) return CMD_ERROR; break; case VEH_ROAD: if (!IsRoadDepotTile(dp->xy)) return CMD_ERROR; break; case VEH_SHIP: if (!IsShipDepotTile(dp->xy)) return CMD_ERROR; break; default: return CMD_ERROR; } } } if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && v->type != VEH_TRAIN && v->type != VEH_ROAD) return CMD_ERROR; if (new_order.GetDepotOrderType() & ~(ODTFB_PART_OF_ORDERS | ((new_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0 ? ODTFB_SERVICE : 0))) return CMD_ERROR; if (new_order.GetDepotActionType() & ~(ODATFB_HALT | ODATFB_NEAREST_DEPOT)) return CMD_ERROR; if ((new_order.GetDepotOrderType() & ODTFB_SERVICE) && (new_order.GetDepotActionType() & ODATFB_HALT)) return CMD_ERROR; break; } case OT_GOTO_WAYPOINT: { const Waypoint *wp = Waypoint::GetIfValid(new_order.GetDestination()); if (wp == NULL) return CMD_ERROR; switch (v->type) { default: return CMD_ERROR; case VEH_TRAIN: { if (!(wp->facilities & FACIL_TRAIN)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER); CommandCost ret = CheckOwnership(wp->owner); if (ret.Failed()) return ret; break; } case VEH_SHIP: if (!(wp->facilities & FACIL_DOCK)) return_cmd_error(STR_ERROR_CAN_T_ADD_ORDER); if (wp->owner != OWNER_NONE) { CommandCost ret = CheckOwnership(wp->owner); if (ret.Failed()) return ret; } break; } /* Order flags can be any of the following for waypoints: * [non-stop] * non-stop orders (if any) are only valid for trains */ if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && v->type != VEH_TRAIN) return CMD_ERROR; break; } case OT_CONDITIONAL: { VehicleOrderID skip_to = new_order.GetConditionSkipToOrder(); if (skip_to != 0 && skip_to >= v->GetNumOrders()) return CMD_ERROR; // Always allow jumping to the first (even when there is no order). if (new_order.GetConditionVariable() > OCV_END) return CMD_ERROR; OrderConditionComparator occ = new_order.GetConditionComparator(); if (occ > OCC_END) return CMD_ERROR; switch (new_order.GetConditionVariable()) { case OCV_REQUIRES_SERVICE: if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) return CMD_ERROR; break; case OCV_UNCONDITIONALLY: if (occ != OCC_EQUALS) return CMD_ERROR; if (new_order.GetConditionValue() != 0) return CMD_ERROR; break; case OCV_LOAD_PERCENTAGE: case OCV_RELIABILITY: if (new_order.GetConditionValue() > 100) return CMD_ERROR; /* FALL THROUGH */ default: if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) return CMD_ERROR; break; } break; } default: return CMD_ERROR; } if (sel_ord > v->GetNumOrders()) return CMD_ERROR; if (v->GetNumOrders() >= MAX_VEH_ORDER_ID) return_cmd_error(STR_ERROR_TOO_MANY_ORDERS); if (!Order::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS); if (v->orders.list == NULL && !OrderList::CanAllocateItem()) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS); if (v->type == VEH_SHIP && _settings_game.pf.pathfinder_for_ships != VPF_NPF) { /* Make sure the new destination is not too far away from the previous */ const Order *prev = NULL; uint n = 0; /* Find the last goto station or depot order before the insert location. * If the order is to be inserted at the beginning of the order list this * finds the last order in the list. */ const Order *o; FOR_VEHICLE_ORDERS(v, o) { switch (o->GetType()) { case OT_GOTO_STATION: case OT_GOTO_DEPOT: case OT_GOTO_WAYPOINT: prev = o; break; default: break; } if (++n == sel_ord && prev != NULL) break; } if (prev != NULL) { uint dist = GetOrderDistance(prev, &new_order, v); if (dist >= 130) { return_cmd_error(STR_ERROR_TOO_FAR_FROM_PREVIOUS_DESTINATION); } } } if (flags & DC_EXEC) { Order *new_o = new Order(); new_o->AssignOrder(new_order); /* Create new order and link in list */ if (v->orders.list == NULL) { v->orders.list = new OrderList(new_o, v); } else { v->orders.list->InsertOrderAt(new_o, sel_ord); } Vehicle *u = v->FirstShared(); DeleteOrderWarnings(u); for (; u != NULL; u = u->NextShared()) { assert(v->orders.list == u->orders.list); /* If there is added an order before the current one, we need to update the selected order */ if (sel_ord <= u->cur_order_index) { uint cur = u->cur_order_index + 1; /* Check if we don't go out of bound */ if (cur < u->GetNumOrders()) { u->cur_order_index = cur; } } /* Update any possible open window of the vehicle */ InvalidateVehicleOrder(u, INVALID_VEH_ORDER_ID | (sel_ord << 8)); } /* As we insert an order, the order to skip to will be 'wrong'. */ VehicleOrderID cur_order_id = 0; Order *order; FOR_VEHICLE_ORDERS(v, order) { if (order->IsType(OT_CONDITIONAL)) { VehicleOrderID order_id = order->GetConditionSkipToOrder(); if (order_id >= sel_ord) { order->SetConditionSkipToOrder(order_id + 1); } if (order_id == cur_order_id) { order->SetConditionSkipToOrder((order_id + 1) % v->GetNumOrders()); } } cur_order_id++; } /* Make sure to rebuild the whole list */ InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0); } return CommandCost(); } /** * Declone an order-list * @param *dst delete the orders of this vehicle * @param flags execution flags */ static CommandCost DecloneOrder(Vehicle *dst, DoCommandFlag flags) { if (flags & DC_EXEC) { DeleteVehicleOrders(dst); InvalidateVehicleOrder(dst, -1); InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0); } return CommandCost(); } /** * Delete an order from the orderlist of a vehicle. * @param tile unused * @param flags operation to perform * @param p1 the ID of the vehicle * @param p2 the order to delete (max 255) * @param text unused * @return the cost of this operation or an error */ CommandCost CmdDeleteOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) { VehicleID veh_id = GB(p1, 0, 20); VehicleOrderID sel_ord = GB(p2, 0, 8); Order *order; Vehicle *v = Vehicle::GetIfValid(veh_id); if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR; CommandCost ret = CheckOwnership(v->owner); if (ret.Failed()) return ret; /* If we did not select an order, we maybe want to de-clone the orders */ if (sel_ord >= v->GetNumOrders()) return DecloneOrder(v, flags); order = v->GetOrder(sel_ord); if (order == NULL) return CMD_ERROR; if (flags & DC_EXEC) { v->orders.list->DeleteOrderAt(sel_ord); Vehicle *u = v->FirstShared(); DeleteOrderWarnings(u); for (; u != NULL; u = u->NextShared()) { if (sel_ord < u->cur_order_index) u->cur_order_index--; assert(v->orders.list == u->orders.list); /* NON-stop flag is misused to see if a train is in a station that is * on his order list or not */ if (sel_ord == u->cur_order_index && u->current_order.IsType(OT_LOADING)) { u->current_order.SetNonStopType(ONSF_STOP_EVERYWHERE); /* When full loading, "cancel" that order so the vehicle doesn't * stay indefinitely at this station anymore. */ if (u->current_order.GetLoadType() & OLFB_FULL_LOAD) u->current_order.SetLoadType(OLF_LOAD_IF_POSSIBLE); } /* Update any possible open window of the vehicle */ InvalidateVehicleOrder(u, sel_ord | (INVALID_VEH_ORDER_ID << 8)); } /* As we delete an order, the order to skip to will be 'wrong'. */ VehicleOrderID cur_order_id = 0; FOR_VEHICLE_ORDERS(v, order) { if (order->IsType(OT_CONDITIONAL)) { VehicleOrderID order_id = order->GetConditionSkipToOrder(); if (order_id >= sel_ord) { order->SetConditionSkipToOrder(max(order_id - 1, 0)); } if (order_id == cur_order_id) { order->SetConditionSkipToOrder((order_id + 1) % v->GetNumOrders()); } } cur_order_id++; } InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0); } return CommandCost(); } /** * Goto order of order-list. * @param tile unused * @param flags operation to perform * @param p1 The ID of the vehicle which order is skipped * @param p2 the selected order to which we want to skip * @param text unused * @return the cost of this operation or an error */ CommandCost CmdSkipToOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) { VehicleID veh_id = GB(p1, 0, 20); VehicleOrderID sel_ord = GB(p2, 0, 8); Vehicle *v = Vehicle::GetIfValid(veh_id); if (v == NULL || !v->IsPrimaryVehicle() || sel_ord == v->cur_order_index || sel_ord >= v->GetNumOrders() || v->GetNumOrders() < 2) return CMD_ERROR; CommandCost ret = CheckOwnership(v->owner); if (ret.Failed()) return ret; if (flags & DC_EXEC) { v->cur_order_index = sel_ord; if (v->current_order.IsType(OT_LOADING)) v->LeaveStation(); InvalidateVehicleOrder(v, -2); } /* We have an aircraft/ship, they have a mini-schedule, so update them all */ if (v->type == VEH_AIRCRAFT) SetWindowClassesDirty(WC_AIRCRAFT_LIST); if (v->type == VEH_SHIP) SetWindowClassesDirty(WC_SHIPS_LIST); return CommandCost(); } /** * Move an order inside the orderlist * @param tile unused * @param flags operation to perform * @param p1 the ID of the vehicle * @param p2 order to move and target * bit 0-15 : the order to move * bit 16-31 : the target order * @param text unused * @return the cost of this operation or an error * @note The target order will move one place down in the orderlist * if you move the order upwards else it'll move it one place down */ CommandCost CmdMoveOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) { VehicleID veh = GB(p1, 0, 20); VehicleOrderID moving_order = GB(p2, 0, 16); VehicleOrderID target_order = GB(p2, 16, 16); Vehicle *v = Vehicle::GetIfValid(veh); if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR; CommandCost ret = CheckOwnership(v->owner); if (ret.Failed()) return ret; /* Don't make senseless movements */ if (moving_order >= v->GetNumOrders() || target_order >= v->GetNumOrders() || moving_order == target_order || v->GetNumOrders() <= 1) return CMD_ERROR; Order *moving_one = v->GetOrder(moving_order); /* Don't move an empty order */ if (moving_one == NULL) return CMD_ERROR; if (flags & DC_EXEC) { v->orders.list->MoveOrder(moving_order, target_order); /* Update shared list */ Vehicle *u = v->FirstShared(); DeleteOrderWarnings(u); for (; u != NULL; u = u->NextShared()) { /* Update the current order */ if (u->cur_order_index == moving_order) { u->cur_order_index = target_order; } else if (u->cur_order_index > moving_order && u->cur_order_index <= target_order) { u->cur_order_index--; } else if (u->cur_order_index < moving_order && u->cur_order_index >= target_order) { u->cur_order_index++; } assert(v->orders.list == u->orders.list); /* Update any possible open window of the vehicle */ InvalidateVehicleOrder(u, moving_order | (target_order << 8)); } /* As we move an order, the order to skip to will be 'wrong'. */ Order *order; FOR_VEHICLE_ORDERS(v, order) { if (order->IsType(OT_CONDITIONAL)) { VehicleOrderID order_id = order->GetConditionSkipToOrder(); if (order_id == moving_order) { order_id = target_order; } else if (order_id > moving_order && order_id <= target_order) { order_id--; } else if (order_id < moving_order && order_id >= target_order) { order_id++; } order->SetConditionSkipToOrder(order_id); } } /* Make sure to rebuild the whole list */ InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0); } return CommandCost(); } /** * Modify an order in the orderlist of a vehicle. * @param tile unused * @param flags operation to perform * @param p1 various bitstuffed elements * - p1 = (bit 0 - 19) - ID of the vehicle * - p1 = (bit 24 - 31) - the selected order (if any). If the last order is given, * the order will be inserted before that one * the maximum vehicle order id is 254. * @param p2 various bitstuffed elements * - p2 = (bit 0 - 3) - what data to modify (@see ModifyOrderFlags) * - p2 = (bit 4 - 15) - the data to modify * @param text unused * @return the cost of this operation or an error */ CommandCost CmdModifyOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) { VehicleOrderID sel_ord = GB(p1, 20, 8); VehicleID veh = GB(p1, 0, 20); ModifyOrderFlags mof = Extract<ModifyOrderFlags, 0, 4>(p2); uint16 data = GB(p2, 4, 11); if (mof >= MOF_END) return CMD_ERROR; Vehicle *v = Vehicle::GetIfValid(veh); if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR; CommandCost ret = CheckOwnership(v->owner); if (ret.Failed()) return ret; /* Is it a valid order? */ if (sel_ord >= v->GetNumOrders()) return CMD_ERROR; Order *order = v->GetOrder(sel_ord); switch (order->GetType()) { case OT_GOTO_STATION: if (mof == MOF_COND_VARIABLE || mof == MOF_COND_COMPARATOR || mof == MOF_DEPOT_ACTION || mof == MOF_COND_VALUE) return CMD_ERROR; break; case OT_GOTO_DEPOT: if (mof != MOF_NON_STOP && mof != MOF_DEPOT_ACTION) return CMD_ERROR; break; case OT_GOTO_WAYPOINT: if (mof != MOF_NON_STOP) return CMD_ERROR; break; case OT_CONDITIONAL: if (mof != MOF_COND_VARIABLE && mof != MOF_COND_COMPARATOR && mof != MOF_COND_VALUE && mof != MOF_COND_DESTINATION) return CMD_ERROR; break; default: return CMD_ERROR; } switch (mof) { default: NOT_REACHED(); case MOF_NON_STOP: if (v->type != VEH_TRAIN && v->type != VEH_ROAD) return CMD_ERROR; if (data >= ONSF_END) return CMD_ERROR; if (data == order->GetNonStopType()) return CMD_ERROR; break; case MOF_STOP_LOCATION: if (v->type != VEH_TRAIN) return CMD_ERROR; if (data >= OSL_END) return CMD_ERROR; break; case MOF_UNLOAD: if ((data & ~(OUFB_UNLOAD | OUFB_TRANSFER | OUFB_NO_UNLOAD)) != 0) return CMD_ERROR; /* Unload and no-unload are mutual exclusive and so are transfer and no unload. */ if (data != 0 && ((data & (OUFB_UNLOAD | OUFB_TRANSFER)) != 0) == ((data & OUFB_NO_UNLOAD) != 0)) return CMD_ERROR; if (data == order->GetUnloadType()) return CMD_ERROR; break; case MOF_LOAD: if (data > OLFB_NO_LOAD || data == 1) return CMD_ERROR; if (data == order->GetLoadType()) return CMD_ERROR; break; case MOF_DEPOT_ACTION: if (data >= DA_END) return CMD_ERROR; break; case MOF_COND_VARIABLE: if (data >= OCV_END) return CMD_ERROR; break; case MOF_COND_COMPARATOR: if (data >= OCC_END) return CMD_ERROR; switch (order->GetConditionVariable()) { case OCV_UNCONDITIONALLY: return CMD_ERROR; case OCV_REQUIRES_SERVICE: if (data != OCC_IS_TRUE && data != OCC_IS_FALSE) return CMD_ERROR; break; default: if (data == OCC_IS_TRUE || data == OCC_IS_FALSE) return CMD_ERROR; break; } break; case MOF_COND_VALUE: switch (order->GetConditionVariable()) { case OCV_UNCONDITIONALLY: return CMD_ERROR; case OCV_LOAD_PERCENTAGE: case OCV_RELIABILITY: if (data > 100) return CMD_ERROR; break; default: if (data > 2047) return CMD_ERROR; break; } break; case MOF_COND_DESTINATION: if (data >= v->GetNumOrders()) return CMD_ERROR; break; } if (flags & DC_EXEC) { switch (mof) { case MOF_NON_STOP: order->SetNonStopType((OrderNonStopFlags)data); break; case MOF_STOP_LOCATION: order->SetStopLocation((OrderStopLocation)data); break; case MOF_UNLOAD: order->SetUnloadType((OrderUnloadFlags)data); if ((data & OUFB_NO_UNLOAD) != 0 && (order->GetLoadType() & OLFB_NO_LOAD) != 0) { order->SetLoadType((OrderLoadFlags)(order->GetLoadType() & ~OLFB_NO_LOAD)); } break; case MOF_LOAD: order->SetLoadType((OrderLoadFlags)data); if ((data & OLFB_NO_LOAD) != 0 && (order->GetUnloadType() & OUFB_NO_UNLOAD) != 0) { /* No load + no unload isn't compatible */ order->SetUnloadType((OrderUnloadFlags)(order->GetUnloadType() & ~OUFB_NO_UNLOAD)); } break; case MOF_DEPOT_ACTION: { switch (data) { case DA_ALWAYS_GO: order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE)); order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT)); break; case DA_SERVICE: order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() | ODTFB_SERVICE)); order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT)); break; case DA_STOP: order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE)); order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() | ODATFB_HALT)); break; default: NOT_REACHED(); } break; } case MOF_COND_VARIABLE: { order->SetConditionVariable((OrderConditionVariable)data); OrderConditionComparator occ = order->GetConditionComparator(); switch (order->GetConditionVariable()) { case OCV_UNCONDITIONALLY: order->SetConditionComparator(OCC_EQUALS); order->SetConditionValue(0); break; case OCV_REQUIRES_SERVICE: if (occ != OCC_IS_TRUE && occ != OCC_IS_FALSE) order->SetConditionComparator(OCC_IS_TRUE); break; case OCV_LOAD_PERCENTAGE: case OCV_RELIABILITY: if (order->GetConditionValue() > 100) order->SetConditionValue(100); /* FALL THROUGH */ default: if (occ == OCC_IS_TRUE || occ == OCC_IS_FALSE) order->SetConditionComparator(OCC_EQUALS); break; } break; } case MOF_COND_COMPARATOR: order->SetConditionComparator((OrderConditionComparator)data); break; case MOF_COND_VALUE: order->SetConditionValue(data); break; case MOF_COND_DESTINATION: order->SetConditionSkipToOrder(data); break; default: NOT_REACHED(); } /* Update the windows and full load flags, also for vehicles that share the same order list */ Vehicle *u = v->FirstShared(); DeleteOrderWarnings(u); for (; u != NULL; u = u->NextShared()) { /* Toggle u->current_order "Full load" flag if it changed. * However, as the same flag is used for depot orders, check * whether we are not going to a depot as there are three * cases where the full load flag can be active and only * one case where the flag is used for depot orders. In the * other cases for the OrderTypeByte the flags are not used, * so do not care and those orders should not be active * when this function is called. */ if (sel_ord == u->cur_order_index && (u->current_order.IsType(OT_GOTO_STATION) || u->current_order.IsType(OT_LOADING)) && u->current_order.GetLoadType() != order->GetLoadType()) { u->current_order.SetLoadType(order->GetLoadType()); } InvalidateVehicleOrder(u, -2); } } return CommandCost(); } /** * Clone/share/copy an order-list of another vehicle. * @param tile unused * @param flags operation to perform * @param p1 various bitstuffed elements * - p1 = (bit 0-19) - destination vehicle to clone orders to * - p1 = (bit 30-31) - action to perform * @param p2 source vehicle to clone orders from, if any (none for CO_UNSHARE) * @param text unused * @return the cost of this operation or an error */ CommandCost CmdCloneOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) { VehicleID veh_src = GB(p2, 0, 20); VehicleID veh_dst = GB(p1, 0, 20); Vehicle *dst = Vehicle::GetIfValid(veh_dst); if (dst == NULL || !dst->IsPrimaryVehicle()) return CMD_ERROR; CommandCost ret = CheckOwnership(dst->owner); if (ret.Failed()) return ret; switch (GB(p1, 30, 2)) { case CO_SHARE: { Vehicle *src = Vehicle::GetIfValid(veh_src); /* Sanity checks */ if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR; CommandCost ret = CheckOwnership(src->owner); if (ret.Failed()) return ret; /* Trucks can't share orders with busses (and visa versa) */ if (src->type == VEH_ROAD && RoadVehicle::From(src)->IsBus() != RoadVehicle::From(dst)->IsBus()) { return CMD_ERROR; } /* Is the vehicle already in the shared list? */ if (src->FirstShared() == dst->FirstShared()) return CMD_ERROR; const Order *order; FOR_VEHICLE_ORDERS(src, order) { if (OrderGoesToStation(dst, order) && !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) { return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER); } } if (flags & DC_EXEC) { /* If the destination vehicle had a OrderList, destroy it */ DeleteVehicleOrders(dst); dst->orders.list = src->orders.list; /* Link this vehicle in the shared-list */ dst->AddToShared(src); InvalidateVehicleOrder(dst, -1); InvalidateVehicleOrder(src, -2); InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0); } break; } case CO_COPY: { Vehicle *src = Vehicle::GetIfValid(veh_src); /* Sanity checks */ if (src == NULL || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR; CommandCost ret = CheckOwnership(src->owner); if (ret.Failed()) return ret; /* Trucks can't copy all the orders from busses (and visa versa), * and neither can helicopters and aircarft. */ const Order *order; FOR_VEHICLE_ORDERS(src, order) { if (OrderGoesToStation(dst, order) && !CanVehicleUseStation(dst, Station::Get(order->GetDestination()))) { return_cmd_error(STR_ERROR_CAN_T_COPY_SHARE_ORDER); } } /* make sure there are orders available */ int delta = dst->IsOrderListShared() ? src->GetNumOrders() + 1 : src->GetNumOrders() - dst->GetNumOrders(); if (!Order::CanAllocateItem(delta) || ((dst->orders.list == NULL || dst->IsOrderListShared()) && !OrderList::CanAllocateItem())) { return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS); } if (flags & DC_EXEC) { const Order *order; Order *first = NULL; Order **order_dst; /* If the destination vehicle had an order list, destroy the chain but keep the OrderList */ DeleteVehicleOrders(dst, true); order_dst = &first; FOR_VEHICLE_ORDERS(src, order) { *order_dst = new Order(); (*order_dst)->AssignOrder(*order); order_dst = &(*order_dst)->next; } if (dst->orders.list == NULL) { dst->orders.list = new OrderList(first, dst); } else { assert(dst->orders.list->GetFirstOrder() == NULL); assert(!dst->orders.list->IsShared()); delete dst->orders.list; dst->orders.list = new OrderList(first, dst); } InvalidateVehicleOrder(dst, -1); InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0); } break; } case CO_UNSHARE: return DecloneOrder(dst, flags); default: return CMD_ERROR; } return CommandCost(); } /** * Add/remove refit orders from an order * @param tile Not used * @param flags operation to perform * @param p1 VehicleIndex of the vehicle having the order * @param p2 bitmask * - bit 0-7 CargoID * - bit 8-15 Cargo subtype * - bit 16-23 number of order to modify * @param text unused * @return the cost of this operation or an error */ CommandCost CmdOrderRefit(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) { VehicleID veh = GB(p1, 0, 20); VehicleOrderID order_number = GB(p2, 16, 8); CargoID cargo = GB(p2, 0, 8); byte subtype = GB(p2, 8, 8); if (cargo >= NUM_CARGO) return CMD_ERROR; const Vehicle *v = Vehicle::GetIfValid(veh); if (v == NULL || !v->IsPrimaryVehicle()) return CMD_ERROR; CommandCost ret = CheckOwnership(v->owner); if (ret.Failed()) return ret; Order *order = v->GetOrder(order_number); if (order == NULL) return CMD_ERROR; if (flags & DC_EXEC) { order->SetRefit(cargo, subtype); for (Vehicle *u = v->FirstShared(); u != NULL; u = u->NextShared()) { /* Update any possible open window of the vehicle */ InvalidateVehicleOrder(u, -2); /* If the vehicle already got the current depot set as current order, then update current order as well */ if (u->cur_order_index == order_number && (u->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) { u->current_order.SetRefit(cargo, subtype); } } } return CommandCost(); } /** * * Check the orders of a vehicle, to see if there are invalid orders and stuff * */ void CheckOrders(const Vehicle *v) { /* Does the user wants us to check things? */ if (_settings_client.gui.order_review_system == 0) return; /* Do nothing for crashed vehicles */ if (v->vehstatus & VS_CRASHED) return; /* Do nothing for stopped vehicles if setting is '1' */ if (_settings_client.gui.order_review_system == 1 && (v->vehstatus & VS_STOPPED)) return; /* do nothing we we're not the first vehicle in a share-chain */ if (v->FirstShared() != v) return; /* Only check every 20 days, so that we don't flood the message log */ if (v->owner == _local_company && v->day_counter % 20 == 0) { int n_st, problem_type = -1; const Order *order; int message = 0; /* Check the order list */ n_st = 0; FOR_VEHICLE_ORDERS(v, order) { /* Dummy order? */ if (order->IsType(OT_DUMMY)) { problem_type = 1; break; } /* Does station have a load-bay for this vehicle? */ if (order->IsType(OT_GOTO_STATION)) { const Station *st = Station::Get(order->GetDestination()); n_st++; if (!CanVehicleUseStation(v, st)) problem_type = 3; } } /* Check if the last and the first order are the same */ if (v->GetNumOrders() > 1) { const Order *last = v->GetLastOrder(); if (v->orders.list->GetFirstOrder()->Equals(*last)) { problem_type = 2; } } /* Do we only have 1 station in our order list? */ if (n_st < 2 && problem_type == -1) problem_type = 0; #ifndef NDEBUG if (v->orders.list != NULL) v->orders.list->DebugCheckSanity(); #endif /* We don't have a problem */ if (problem_type < 0) return; message = STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS + problem_type; //DEBUG(misc, 3, "Triggered News Item for vehicle %d", v->index); SetDParam(0, v->index); AddVehicleNewsItem( message, NS_ADVICE, v->index ); } } /** * Removes an order from all vehicles. Triggers when, say, a station is removed. * @param type The type of the order (OT_GOTO_[STATION|DEPOT|WAYPOINT]). * @param destination The destination. Can be a StationID, DepotID or WaypointID. */ void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination) { Vehicle *v; /* Aircraft have StationIDs for depot orders and never use DepotIDs * This fact is handled specially below */ /* Go through all vehicles */ FOR_ALL_VEHICLES(v) { Order *order; order = &v->current_order; if ((v->type == VEH_AIRCRAFT && order->IsType(OT_GOTO_DEPOT) ? OT_GOTO_STATION : order->GetType()) == type && v->current_order.GetDestination() == destination) { order->MakeDummy(); SetWindowDirty(WC_VEHICLE_VIEW, v->index); } /* Clear the order from the order-list */ int id = -1; FOR_VEHICLE_ORDERS(v, order) { id++; if (order->IsType(OT_GOTO_DEPOT) && (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) continue; if ((v->type == VEH_AIRCRAFT && order->IsType(OT_GOTO_DEPOT) ? OT_GOTO_STATION : order->GetType()) == type && order->GetDestination() == destination) { order->MakeDummy(); for (const Vehicle *w = v->FirstShared(); w != NULL; w = w->NextShared()) { /* In GUI, simulate by removing the order and adding it back */ InvalidateVehicleOrder(w, id | (INVALID_VEH_ORDER_ID << 8)); InvalidateVehicleOrder(w, (INVALID_VEH_ORDER_ID << 8) | id); } } } } } /** * * Checks if a vehicle has a GOTO_DEPOT in his order list * * @return True if this is true (lol ;)) * */ bool VehicleHasDepotOrders(const Vehicle *v) { const Order *order; FOR_VEHICLE_ORDERS(v, order) { if (order->IsType(OT_GOTO_DEPOT)) return true; } return false; } /** * * Delete all orders from a vehicle * */ void DeleteVehicleOrders(Vehicle *v, bool keep_orderlist) { DeleteOrderWarnings(v); if (v->IsOrderListShared()) { /* Remove ourself from the shared order list. */ v->RemoveFromShared(); v->orders.list = NULL; } else if (v->orders.list != NULL) { /* Remove the orders */ v->orders.list->FreeChain(keep_orderlist); if (!keep_orderlist) v->orders.list = NULL; } } uint16 GetServiceIntervalClamped(uint interval, CompanyID company_id) { 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); } /** * * Check if a vehicle has any valid orders * * @return false if there are no valid orders * @note Conditional orders are not considered valid destination orders * */ static bool CheckForValidOrders(const Vehicle *v) { const Order *order; FOR_VEHICLE_ORDERS(v, order) { switch (order->GetType()) { case OT_GOTO_STATION: case OT_GOTO_DEPOT: case OT_GOTO_WAYPOINT: return true; default: break; } } return false; } /** * Compare the variable and value based on the given comparator. */ static bool OrderConditionCompare(OrderConditionComparator occ, int variable, int value) { switch (occ) { case OCC_EQUALS: return variable == value; case OCC_NOT_EQUALS: return variable != value; case OCC_LESS_THAN: return variable < value; case OCC_LESS_EQUALS: return variable <= value; case OCC_MORE_THAN: return variable > value; case OCC_MORE_EQUALS: return variable >= value; case OCC_IS_TRUE: return variable != 0; case OCC_IS_FALSE: return variable == 0; default: NOT_REACHED(); } } /** * Process a conditional order and determine the next order. * @param order the order the vehicle currently has * @param v the vehicle to update * @return index of next order to jump to, or INVALID_VEH_ORDER_ID to use the next order */ VehicleOrderID ProcessConditionalOrder(const Order *order, const Vehicle *v) { if (order->GetType() != OT_CONDITIONAL) return INVALID_VEH_ORDER_ID; bool skip_order = false; OrderConditionComparator occ = order->GetConditionComparator(); uint16 value = order->GetConditionValue(); switch (order->GetConditionVariable()) { case OCV_LOAD_PERCENTAGE: skip_order = OrderConditionCompare(occ, CalcPercentVehicleFilled(v, NULL), value); break; case OCV_RELIABILITY: skip_order = OrderConditionCompare(occ, ToPercent16(v->reliability), value); break; case OCV_MAX_SPEED: skip_order = OrderConditionCompare(occ, v->GetDisplayMaxSpeed() * 10 / 16, value); break; case OCV_AGE: skip_order = OrderConditionCompare(occ, v->age / DAYS_IN_LEAP_YEAR, value); break; case OCV_REQUIRES_SERVICE: skip_order = OrderConditionCompare(occ, v->NeedsServicing(), value); break; case OCV_UNCONDITIONALLY: skip_order = true; break; default: NOT_REACHED(); } return skip_order ? order->GetConditionSkipToOrder() : (VehicleOrderID)INVALID_VEH_ORDER_ID; } /** * Update the vehicle's destination tile from an order. * @param order the order the vehicle currently has * @param v the vehicle to update * @param conditional_depth the depth (amount of steps) to go with conditional orders. This to prevent infinite loops. */ bool UpdateOrderDest(Vehicle *v, const Order *order, int conditional_depth) { if (conditional_depth > v->GetNumOrders()) return false; switch (order->GetType()) { case OT_GOTO_STATION: v->dest_tile = v->GetOrderStationLocation(order->GetDestination()); return true; case OT_GOTO_DEPOT: if ((order->GetDepotOrderType() & ODTFB_SERVICE) && !v->NeedsServicing()) { UpdateVehicleTimetable(v, true); v->IncrementOrderIndex(); break; } if (v->current_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) { /* We need to search for the nearest depot (hangar). */ TileIndex location; DestinationID destination; bool reverse; if (v->FindClosestDepot(&location, &destination, &reverse)) { v->dest_tile = location; 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()); /* If there is no depot in front, reverse automatically (trains only) */ if (v->type == VEH_TRAIN && reverse) DoCommand(v->tile, v->index, 0, DC_EXEC, CMD_REVERSE_TRAIN_DIRECTION); if (v->type == VEH_AIRCRAFT) { Aircraft *a = Aircraft::From(v); if (a->state == FLYING && a->targetairport != destination) { /* The aircraft is now heading for a different hangar than the next in the orders */ extern void AircraftNextAirportPos_and_Order(Aircraft *a); AircraftNextAirportPos_and_Order(a); } } return true; } UpdateVehicleTimetable(v, true); v->IncrementOrderIndex(); } else { if (v->type != VEH_AIRCRAFT) { v->dest_tile = Depot::Get(order->GetDestination())->xy; } return true; } break; case OT_GOTO_WAYPOINT: v->dest_tile = Waypoint::Get(order->GetDestination())->xy; return true; case OT_CONDITIONAL: { VehicleOrderID next_order = ProcessConditionalOrder(order, v); if (next_order != INVALID_VEH_ORDER_ID) { UpdateVehicleTimetable(v, false); v->cur_order_index = next_order; v->current_order_time += v->GetOrder(next_order)->travel_time; } else { UpdateVehicleTimetable(v, true); v->IncrementOrderIndex(); } break; } default: v->dest_tile = 0; return false; } assert(v->cur_order_index < v->GetNumOrders()); /* Get the current order */ order = v->GetOrder(v->cur_order_index); v->current_order = *order; return UpdateOrderDest(v, order, conditional_depth + 1); } /** * Handle the orders of a vehicle and determine the next place * to go to if needed. * @param v the vehicle to do this for. * @return true *if* the vehicle is eligible for reversing * (basically only when leaving a station). */ bool ProcessOrders(Vehicle *v) { switch (v->current_order.GetType()) { case OT_GOTO_DEPOT: /* Let a depot order in the orderlist interrupt. */ if (!(v->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) return false; break; case OT_LOADING: return false; case OT_LEAVESTATION: if (v->type != VEH_AIRCRAFT) return false; break; default: break; } /** * Reversing because of order change is allowed only just after leaving a * station (and the difficulty setting to allowed, of course) * this can be detected because only after OT_LEAVESTATION, current_order * will be reset to nothing. (That also happens if no order, but in that case * it won't hit the point in code where may_reverse is checked) */ bool may_reverse = v->current_order.IsType(OT_NOTHING); /* Check if we've reached a 'via' destination. */ 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)) && IsTileType(v->tile, MP_STATION) && v->current_order.GetDestination() == GetStationIndex(v->tile)) { /* We set the last visited station here because we do not want * the train to stop at this 'via' station if the next order * is a no-non-stop order; in that case not setting the last * visited station will cause the vehicle to still stop. */ v->last_station_visited = v->current_order.GetDestination(); UpdateVehicleTimetable(v, true); v->IncrementOrderIndex(); } /* Get the current order */ if (v->cur_order_index >= v->GetNumOrders()) v->cur_order_index = 0; const Order *order = v->GetOrder(v->cur_order_index); /* If no order, do nothing. */ if (order == NULL || (v->type == VEH_AIRCRAFT && !CheckForValidOrders(v))) { if (v->type == VEH_AIRCRAFT) { /* Aircraft do something vastly different here, so handle separately */ extern void HandleMissingAircraftOrders(Aircraft *v); HandleMissingAircraftOrders(Aircraft::From(v)); return false; } v->current_order.Free(); v->dest_tile = 0; return false; } /* If it is unchanged, keep it. */ if (order->Equals(v->current_order) && (v->type == VEH_AIRCRAFT || v->dest_tile != 0) && (v->type != VEH_SHIP || !order->IsType(OT_GOTO_STATION) || Station::Get(order->GetDestination())->dock_tile != INVALID_TILE)) { return false; } /* Otherwise set it, and determine the destination tile. */ v->current_order = *order; InvalidateVehicleOrder(v, -2); switch (v->type) { default: NOT_REACHED(); case VEH_ROAD: case VEH_TRAIN: break; case VEH_AIRCRAFT: case VEH_SHIP: SetWindowClassesDirty(GetWindowClassForVehicleType(v->type)); break; } return UpdateOrderDest(v, order) && may_reverse; } /** * Check whether the given vehicle should stop at the given station * based on this order and the non-stop settings. * @param v the vehicle that might be stopping. * @param station the station to stop at. * @return true if the vehicle should stop. */ bool Order::ShouldStopAtStation(const Vehicle *v, StationID station) const { bool is_dest_station = this->IsType(OT_GOTO_STATION) && this->dest == station; return (!this->IsType(OT_GOTO_DEPOT) || (this->GetDepotOrderType() & ODTFB_PART_OF_ORDERS) != 0) && v->last_station_visited != station && // Do stop only when we've not just been there /* Finally do stop when there is no non-stop flag set for this type of station. */ !(this->GetNonStopType() & (is_dest_station ? ONSF_NO_STOP_AT_DESTINATION_STATION : ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS)); } void InitializeOrders() { _order_pool.CleanPool(); _orderlist_pool.CleanPool(); }