/*
* 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 "command_func.h"
#include "company_func.h"
#include "news_func.h"
#include "strings_func.h"
#include "timetable.h"
#include "vehicle_func.h"
#include "depot_base.h"
#include "core/pool_func.hpp"
#include "core/random_func.hpp"
#include "aircraft.h"
#include "roadveh.h"
#include "station_base.h"
#include "waypoint_base.h"
#include "company_base.h"
#include "order_backup.h"
#include "cheat_type.h"
#include "order_cmd.h"
#include "train_cmd.h"
#include "table/strings.h"
#include "safeguards.h"
/* DestinationID must be at least as large as every these below, because it can
* be any of them
*/
static_assert(sizeof(DestinationID) >= sizeof(DepotID));
static_assert(sizeof(DestinationID) >= sizeof(StationID));
OrderPool _order_pool("Order");
INSTANTIATE_POOL_METHODS(Order)
OrderListPool _orderlist_pool("OrderList");
INSTANTIATE_POOL_METHODS(OrderList)
/** Clean everything up. */
Order::~Order()
{
if (CleaningPool()) return;
/* We can visit oil rigs and buoys that are not our own. They will be shown in
* the list of stations. So, we need to invalidate that window if needed. */
if (this->IsType(OT_GOTO_STATION) || this->IsType(OT_GOTO_WAYPOINT)) {
BaseStation *bs = BaseStation::GetIfValid(this->GetDestination());
if (bs != nullptr && bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
}
}
/**
* 'Free' the order
* @note ONLY use on "current_order" vehicle orders!
*/
void Order::Free()
{
this->type = OT_NOTHING;
this->flags = 0;
this->dest = 0;
this->next = nullptr;
}
/**
* Makes this order a Go To Station order.
* @param destination the station to go to.
*/
void Order::MakeGoToStation(StationID destination)
{
this->type = OT_GOTO_STATION;
this->flags = 0;
this->dest = destination;
}
/**
* Makes this order a Go To Depot order.
* @param destination the depot to go to.
* @param order is this order a 'default' order, or an overridden vehicle order?
* @param non_stop_type how to get to the depot?
* @param action what to do in the depot?
* @param cargo the cargo type to change to.
*/
void Order::MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type, OrderDepotActionFlags action, CargoID cargo)
{
this->type = OT_GOTO_DEPOT;
this->SetDepotOrderType(order);
this->SetDepotActionType(action);
this->SetNonStopType(non_stop_type);
this->dest = destination;
this->SetRefit(cargo);
}
/**
* Makes this order a Go To Waypoint order.
* @param destination the waypoint to go to.
*/
void Order::MakeGoToWaypoint(StationID destination)
{
this->type = OT_GOTO_WAYPOINT;
this->flags = 0;
this->dest = destination;
}
/**
* Makes this order a Loading order.
* @param ordered is this an ordered stop?
*/
void Order::MakeLoading(bool ordered)
{
this->type = OT_LOADING;
if (!ordered) this->flags = 0;
}
/**
* Makes this order a Leave Station order.
*/
void Order::MakeLeaveStation()
{
this->type = OT_LEAVESTATION;
this->flags = 0;
}
/**
* Makes this order a Dummy order.
*/
void Order::MakeDummy()
{
this->type = OT_DUMMY;
this->flags = 0;
}
/**
* Makes this order an conditional order.
* @param order the order to jump to.
*/
void Order::MakeConditional(VehicleOrderID order)
{
this->type = OT_CONDITIONAL;
this->flags = order;
this->dest = 0;
}
/**
* Makes this order an implicit order.
* @param destination the station to go to.
*/
void Order::MakeImplicit(StationID destination)
{
this->type = OT_IMPLICIT;
this->dest = destination;
}
/**
* Make this depot/station order also a refit order.
* @param cargo the cargo type to change to.
* @pre IsType(OT_GOTO_DEPOT) || IsType(OT_GOTO_STATION).
*/
void Order::SetRefit(CargoID cargo)
{
this->refit_cargo = cargo;
}
/**
* Does this order have the same type, flags and destination?
* @param other the second order to compare to.
* @return true if the type, flags and destination match.
*/
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;
}
/**
* Pack this order into a 32 bits integer, or actually only
* the type, flags and destination.
* @return the packed representation.
* @note unpacking is done in the constructor.
*/
uint32_t Order::Pack() const
{
return this->dest << 16 | this->flags << 8 | this->type;
}
/**
* Pack this order into a 16 bits integer as close to the TTD
* representation as possible.
* @return the TTD-like packed representation.
*/
uint16_t Order::MapOldOrder() const
{
uint16_t 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;
}
/**
*
* 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
* @param other the data to copy (except next pointer).
*
*/
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->wait_time = other.wait_time;
this->travel_time = other.travel_time;
this->max_speed = other.max_speed;
}
/**
* Recomputes everything.
* @param chain first order in the chain
* @param v one of vehicle that is using this orderlist
*/
void OrderList::Initialize(Order *chain, Vehicle *v)
{
this->first = chain;
this->first_shared = v;
this->num_orders = 0;
this->num_manual_orders = 0;
this->num_vehicles = 1;
this->timetable_duration = 0;
for (Order *o = this->first; o != nullptr; o = o->next) {
++this->num_orders;
if (!o->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
this->total_duration += o->GetWaitTime() + o->GetTravelTime();
}
this->RecalculateTimetableDuration();
for (Vehicle *u = this->first_shared->PreviousShared(); u != nullptr; u = u->PreviousShared()) {
++this->num_vehicles;
this->first_shared = u;
}
for (const Vehicle *u = v->NextShared(); u != nullptr; u = u->NextShared()) ++this->num_vehicles;
}
/**
* Recomputes Timetable duration.
* Split out into a separate function so it can be used by afterload.
*/
void OrderList::RecalculateTimetableDuration()
{
this->timetable_duration = 0;
for (Order *o = this->first; o != nullptr; o = o->next) {
this->timetable_duration += o->GetTimetabledWait() + o->GetTimetabledTravel();
}
}
/**
* Free a complete order chain.
* @param keep_orderlist If this is true only delete the orders, otherwise also delete the OrderList.
* @note do not use on "current_order" vehicle orders!
*/
void OrderList::FreeChain(bool keep_orderlist)
{
Order *next;
for (Order *o = this->first; o != nullptr; o = next) {
next = o->next;
delete o;
}
if (keep_orderlist) {
this->first = nullptr;
this->num_orders = 0;
this->num_manual_orders = 0;
this->timetable_duration = 0;
} else {
delete this;
}
}
/**
* Get a certain order of the order chain.
* @param index zero-based index of the order within the chain.
* @return the order at position index.
*/
Order *OrderList::GetOrderAt(int index) const
{
if (index < 0) return nullptr;
Order *order = this->first;
while (order != nullptr && index-- > 0) {
order = order->next;
}
return order;
}
/**
* Get the next order which will make the given vehicle stop at a station
* or refit at a depot or evaluate a non-trivial condition.
* @param next The order to start looking at.
* @param hops The number of orders we have already looked at.
* @return Either of
* \li a station order
* \li a refitting depot order
* \li a non-trivial conditional order
* \li nullptr if the vehicle won't stop anymore.
*/
const Order *OrderList::GetNextDecisionNode(const Order *next, uint hops) const
{
if (hops > this->GetNumOrders() || next == nullptr) return nullptr;
if (next->IsType(OT_CONDITIONAL)) {
if (next->GetConditionVariable() != OCV_UNCONDITIONALLY) return next;
/* We can evaluate trivial conditions right away. They're conceptually
* the same as regular order progression. */
return this->GetNextDecisionNode(
this->GetOrderAt(next->GetConditionSkipToOrder()),
hops + 1);
}
if (next->IsType(OT_GOTO_DEPOT)) {
if ((next->GetDepotActionType() & ODATFB_HALT) != 0) return nullptr;
if (next->IsRefit()) return next;
}
if (!next->CanLoadOrUnload()) {
return this->GetNextDecisionNode(this->GetNext(next), hops + 1);
}
return next;
}
/**
* Recursively determine the next deterministic station to stop at.
* @param v The vehicle we're looking at.
* @param first Order to start searching at or nullptr to start at cur_implicit_order_index + 1.
* @param hops Number of orders we have already looked at.
* @return Next stopping station or INVALID_STATION.
* @pre The vehicle is currently loading and v->last_station_visited is meaningful.
* @note This function may draw a random number. Don't use it from the GUI.
*/
StationIDStack OrderList::GetNextStoppingStation(const Vehicle *v, const Order *first, uint hops) const
{
const Order *next = first;
if (first == nullptr) {
next = this->GetOrderAt(v->cur_implicit_order_index);
if (next == nullptr) {
next = this->GetFirstOrder();
if (next == nullptr) return INVALID_STATION;
} else {
/* GetNext never returns nullptr if there is a valid station in the list.
* As the given "next" is already valid and a station in the list, we
* don't have to check for nullptr here. */
next = this->GetNext(next);
assert(next != nullptr);
}
}
do {
next = this->GetNextDecisionNode(next, ++hops);
/* Resolve possibly nested conditionals by estimation. */
while (next != nullptr && next->IsType(OT_CONDITIONAL)) {
/* We return both options of conditional orders. */
const Order *skip_to = this->GetNextDecisionNode(
this->GetOrderAt(next->GetConditionSkipToOrder()), hops);
const Order *advance = this->GetNextDecisionNode(
this->GetNext(next), hops);
if (advance == nullptr || advance == first || skip_to == advance) {
next = (skip_to == first) ? nullptr : skip_to;
} else if (skip_to == nullptr || skip_to == first) {
next = (advance == first) ? nullptr : advance;
} else {
StationIDStack st1 = this->GetNextStoppingStation(v, skip_to, hops);
StationIDStack st2 = this->GetNextStoppingStation(v, advance, hops);
while (!st2.IsEmpty()) st1.Push(st2.Pop());
return st1;
}
++hops;
}
/* Don't return a next stop if the vehicle has to unload everything. */
if (next == nullptr || ((next->IsType(OT_GOTO_STATION) || next->IsType(OT_IMPLICIT)) &&
next->GetDestination() == v->last_station_visited &&
(next->GetUnloadType() & (OUFB_TRANSFER | OUFB_UNLOAD)) != 0)) {
return INVALID_STATION;
}
} while (next->IsType(OT_GOTO_DEPOT) || next->GetDestination() == v->last_station_visited);
return next->GetDestination();
}
/**
* Insert a new order into the order chain.
* @param new_order is the order to insert into the chain.
* @param index is the position where the order is supposed to be inserted.
*/
void OrderList::InsertOrderAt(Order *new_order, int index)
{
if (this->first == nullptr) {
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;
if (!new_order->IsType(OT_IMPLICIT)) ++this->num_manual_orders;
this->timetable_duration += new_order->GetTimetabledWait() + new_order->GetTimetabledTravel();
this->total_duration += new_order->GetWaitTime() + new_order->GetTravelTime();
/* We can visit oil rigs and buoys that are not our own. They will be shown in
* the list of stations. So, we need to invalidate that window if needed. */
if (new_order->IsType(OT_GOTO_STATION) || new_order->IsType(OT_GOTO_WAYPOINT)) {
BaseStation *bs = BaseStation::Get(new_order->GetDestination());
if (bs->owner == OWNER_NONE) InvalidateWindowClassesData(WC_STATION_LIST, 0);
}
}
/**
* Remove an order from the order list and delete it.
* @param index is the position of the order which is to be deleted.
*/
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;
if (!to_remove->IsType(OT_IMPLICIT)) --this->num_manual_orders;
this->timetable_duration -= (to_remove->GetTimetabledWait() + to_remove->GetTimetabledTravel());
this->total_duration -= (to_remove->GetWaitTime() + to_remove->GetTravelTime());
delete to_remove;
}
/**
* Move an order to another position within the order list.
* @param from is the zero-based position of the order to move.
* @param to is the zero-based position where the order is moved to.
*/
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;
}
}
/**
* Removes the vehicle from the shared order list.
* @note This is supposed to be called when the vehicle is still in the chain
* @param v vehicle to remove from the list
*/
void OrderList::RemoveVehicle(Vehicle *v)
{
--this->num_vehicles;
if (v == this->first_shared) this->first_shared = v->NextShared();
}
/**
* Checks whether all orders of the list have a filled timetable.
* @return whether all orders have a filled timetable.
*/
bool OrderList::IsCompleteTimetable() const
{
for (Order *o = this->first; o != nullptr; o = o->next) {
/* Implicit orders are, by definition, not timetabled. */
if (o->IsType(OT_IMPLICIT)) continue;
if (!o->IsCompletelyTimetabled()) return false;
}
return true;
}
#ifdef WITH_ASSERT
/**
* Checks for internal consistency of order list. Triggers assertion if something is wrong.
*/
void OrderList::DebugCheckSanity() const
{
VehicleOrderID check_num_orders = 0;
VehicleOrderID check_num_manual_orders = 0;
uint check_num_vehicles = 0;
TimerGameTick::Ticks check_timetable_duration = 0;
TimerGameTick::Ticks check_total_duration = 0;
Debug(misc, 6, "Checking OrderList {} for sanity...", this->index);
for (const Order *o = this->first; o != nullptr; o = o->next) {
++check_num_orders;
if (!o->IsType(OT_IMPLICIT)) ++check_num_manual_orders;
check_timetable_duration += o->GetTimetabledWait() + o->GetTimetabledTravel();
check_total_duration += o->GetWaitTime() + o->GetTravelTime();
}
assert(this->num_orders == check_num_orders);
assert(this->num_manual_orders == check_num_manual_orders);
assert(this->timetable_duration == check_timetable_duration);
assert(this->total_duration == check_total_duration);
for (const Vehicle *v = this->first_shared; v != nullptr; v = v->NextShared()) {
++check_num_vehicles;
assert(v->orders == this);
}
assert(this->num_vehicles == check_num_vehicles);
Debug(misc, 6, "... detected {} orders ({} manual), {} vehicles, {} timetabled, {} total",
(uint)this->num_orders, (uint)this->num_manual_orders,
this->num_vehicles, this->timetable_duration, this->total_duration);
}
#endif
/**
* 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->GetDestination() != INVALID_STATION);
}
/**
* 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 they're 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);
DeleteVehicleNews(v->index, STR_NEWS_PLANE_USES_TOO_SHORT_RUNWAY);
}
/**
* Returns a tile somewhat representing the order destination (not suitable for pathfinding).
* @param v The vehicle to get the location for.
* @param airport Get the airport tile and not the station location for aircraft.
* @return destination of order, or INVALID_TILE if none.
*/
TileIndex Order::GetLocation(const Vehicle *v, bool airport) const
{
switch (this->GetType()) {
case OT_GOTO_WAYPOINT:
case OT_GOTO_STATION:
case OT_IMPLICIT:
if (airport && v->type == VEH_AIRCRAFT) return Station::Get(this->GetDestination())->airport.tile;
return BaseStation::Get(this->GetDestination())->xy;
case OT_GOTO_DEPOT:
if (this->GetDestination() == INVALID_DEPOT) return INVALID_TILE;
return (v->type == VEH_AIRCRAFT) ? Station::Get(this->GetDestination())->xy : Depot::Get(this->GetDestination())->xy;
default:
return INVALID_TILE;
}
}
/**
* Get the distance between two orders of a vehicle. Conditional orders are resolved
* and the bigger distance of the two order branches is returned.
* @param prev Origin order.
* @param cur Destination order.
* @param v The vehicle to get the distance for.
* @param conditional_depth Internal param for resolving conditional orders.
* @return Maximum distance between the two orders.
*/
uint GetOrderDistance(const Order *prev, const Order *cur, const Vehicle *v, int conditional_depth)
{
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 == nullptr ? v->orders->GetFirstOrder() : cur->next, v, conditional_depth);
return std::max(dist1, dist2);
}
TileIndex prev_tile = prev->GetLocation(v, true);
TileIndex cur_tile = cur->GetLocation(v, true);
if (prev_tile == INVALID_TILE || cur_tile == INVALID_TILE) return 0;
return v->type == VEH_AIRCRAFT ? DistanceSquare(prev_tile, cur_tile) : DistanceManhattan(prev_tile, cur_tile);
}
/**
* Add an order to the orderlist of a vehicle.
* @param flags operation to perform
* @param veh ID of the vehicle
* @param sel_ord 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 new_order order to insert
* @return the cost of this operation or an error
*/
CommandCost CmdInsertOrder(DoCommandFlag flags, VehicleID veh, VehicleOrderID sel_ord, const Order &new_order)
{
Vehicle *v = Vehicle::GetIfValid(veh);
if (v == nullptr || !v->IsPrimaryVehicle()) return CMD_ERROR;
CommandCost ret = CheckOwnership(v->owner);
if (ret.Failed()) return ret;
/* Validate properties we don't want to have different from default as they are set by other commands. */
if (new_order.GetRefitCargo() != CARGO_NO_REFIT || new_order.GetWaitTime() != 0 || new_order.GetTravelTime() != 0 || new_order.GetMaxSpeed() != UINT16_MAX) return CMD_ERROR;
/* 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 == nullptr) return CMD_ERROR;
if (st->owner != OWNER_NONE) {
ret = CheckOwnership(st->owner);
if (ret.Failed()) return ret;
}
if (!CanVehicleUseStation(v, st)) return CommandCost(STR_ERROR_CAN_T_ADD_ORDER, GetVehicleCannotUseStationReason(v, st));
for (Vehicle *u = v->FirstShared(); u != nullptr; u = u->NextShared()) {
if (!CanVehicleUseStation(u, st)) return CommandCost(STR_ERROR_CAN_T_ADD_ORDER_SHARED, GetVehicleCannotUseStationReason(u, st));
}
/* Non stop only allowed for ground vehicles. */
if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) return CMD_ERROR;
/* Filter invalid load/unload types. */
switch (new_order.GetLoadType()) {
case OLF_LOAD_IF_POSSIBLE:
case OLFB_NO_LOAD:
break;
case OLFB_FULL_LOAD:
case OLF_FULL_LOAD_ANY:
if (v->HasUnbunchingOrder()) return CommandCost(STR_ERROR_UNBUNCHING_NO_FULL_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;
[[fallthrough]];
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 == nullptr) return CMD_ERROR;
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 == nullptr) return CMD_ERROR;
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->IsGroundVehicle()) 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 | ODATFB_UNBUNCH)) return CMD_ERROR;
/* Vehicles cannot have a "service if needed" order that also has a depot action. */
if ((new_order.GetDepotOrderType() & ODTFB_SERVICE) && (new_order.GetDepotActionType() & (ODATFB_HALT | ODATFB_UNBUNCH))) return CMD_ERROR;
/* Check if we're allowed to have a new unbunching order. */
if ((new_order.GetDepotActionType() & ODATFB_UNBUNCH)) {
if (v->HasFullLoadOrder()) return CommandCost(STR_ERROR_CAN_T_ADD_ORDER, STR_ERROR_UNBUNCHING_NO_UNBUNCHING_FULL_LOAD);
if (v->HasUnbunchingOrder()) return CommandCost(STR_ERROR_CAN_T_ADD_ORDER, STR_ERROR_UNBUNCHING_ONLY_ONE_ALLOWED);
if (v->HasConditionalOrder()) return CommandCost(STR_ERROR_CAN_T_ADD_ORDER, STR_ERROR_UNBUNCHING_NO_UNBUNCHING_CONDITIONAL);
}
break;
}
case OT_GOTO_WAYPOINT: {
const Waypoint *wp = Waypoint::GetIfValid(new_order.GetDestination());
if (wp == nullptr) return CMD_ERROR;
switch (v->type) {
default: return CMD_ERROR;
case VEH_TRAIN: {
if (!(wp->facilities & FACIL_TRAIN)) return CommandCost(STR_ERROR_CAN_T_ADD_ORDER, STR_ERROR_NO_RAIL_WAYPOINT);
ret = CheckOwnership(wp->owner);
if (ret.Failed()) return ret;
break;
}
case VEH_ROAD: {
if (!(wp->facilities & (FACIL_BUS_STOP | FACIL_TRUCK_STOP))) return CommandCost(STR_ERROR_CAN_T_ADD_ORDER, STR_ERROR_NO_ROAD_WAYPOINT);
ret = CheckOwnership(wp->owner);
if (ret.Failed()) return ret;
break;
}
case VEH_SHIP:
if (!(wp->facilities & FACIL_DOCK)) return CommandCost(STR_ERROR_CAN_T_ADD_ORDER, STR_ERROR_NO_BUOY);
if (wp->owner != OWNER_NONE) {
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 and road vehicles */
if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && !v->IsGroundVehicle()) 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;
if (v->HasUnbunchingOrder()) return CommandCost(STR_ERROR_UNBUNCHING_NO_CONDITIONAL);
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;
[[fallthrough]];
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 CommandCost(STR_ERROR_TOO_MANY_ORDERS);
if (!Order::CanAllocateItem()) return CommandCost(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
if (v->orders == nullptr && !OrderList::CanAllocateItem()) return CommandCost(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
if (flags & DC_EXEC) {
Order *new_o = new Order();
new_o->AssignOrder(new_order);
InsertOrder(v, new_o, sel_ord);
}
return CommandCost();
}
/**
* Insert a new order but skip the validation.
* @param v The vehicle to insert the order to.
* @param new_o The new order.
* @param sel_ord The position the order should be inserted at.
*/
void InsertOrder(Vehicle *v, Order *new_o, VehicleOrderID sel_ord)
{
/* Create new order and link in list */
if (v->orders == nullptr) {
v->orders = new OrderList(new_o, v);
} else {
v->orders->InsertOrderAt(new_o, sel_ord);
}
Vehicle *u = v->FirstShared();
DeleteOrderWarnings(u);
for (; u != nullptr; u = u->NextShared()) {
assert(v->orders == u->orders);
/* If there is added an order before the current one, we need
* to update the selected order. We do not change implicit/real order indices though.
* If the new order is between the current implicit order and real order, the implicit order will
* later skip the inserted order. */
if (sel_ord <= u->cur_real_order_index) {
uint cur = u->cur_real_order_index + 1;
/* Check if we don't go out of bound */
if (cur < u->GetNumOrders()) {
u->cur_real_order_index = cur;
}
}
if (sel_ord == u->cur_implicit_order_index && u->IsGroundVehicle()) {
/* We are inserting an order just before the current implicit order.
* We do not know whether we will reach current implicit or the newly inserted order first.
* So, disable creation of implicit orders until we are on track again. */
uint16_t &gv_flags = u->GetGroundVehicleFlags();
SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
}
if (sel_ord <= u->cur_implicit_order_index) {
uint cur = u->cur_implicit_order_index + 1;
/* Check if we don't go out of bound */
if (cur < u->GetNumOrders()) {
u->cur_implicit_order_index = cur;
}
}
/* Unbunching data is no longer valid. */
u->ResetDepotUnbunching();
/* 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;
for (Order *order : v->Orders()) {
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);
}
/**
* 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, VIWD_REMOVE_ALL_ORDERS);
InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
}
return CommandCost();
}
/**
* Delete an order from the orderlist of a vehicle.
* @param flags operation to perform
* @param veh_id the ID of the vehicle
* @param sel_ord the order to delete (max 255)
* @return the cost of this operation or an error
*/
CommandCost CmdDeleteOrder(DoCommandFlag flags, VehicleID veh_id, VehicleOrderID sel_ord)
{
Vehicle *v = Vehicle::GetIfValid(veh_id);
if (v == nullptr || !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);
if (v->GetOrder(sel_ord) == nullptr) return CMD_ERROR;
if (flags & DC_EXEC) DeleteOrder(v, sel_ord);
return CommandCost();
}
/**
* Cancel the current loading order of the vehicle as the order was deleted.
* @param v the vehicle
*/
static void CancelLoadingDueToDeletedOrder(Vehicle *v)
{
assert(v->current_order.IsType(OT_LOADING));
/* NON-stop flag is misused to see if a train is in a station that is
* on its order list or not */
v->current_order.SetNonStopType(ONSF_STOP_EVERYWHERE);
/* When full loading, "cancel" that order so the vehicle doesn't
* stay indefinitely at this station anymore. */
if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) v->current_order.SetLoadType(OLF_LOAD_IF_POSSIBLE);
}
/**
* Delete an order but skip the parameter validation.
* @param v The vehicle to delete the order from.
* @param sel_ord The id of the order to be deleted.
*/
void DeleteOrder(Vehicle *v, VehicleOrderID sel_ord)
{
v->orders->DeleteOrderAt(sel_ord);
Vehicle *u = v->FirstShared();
DeleteOrderWarnings(u);
for (; u != nullptr; u = u->NextShared()) {
assert(v->orders == u->orders);
if (sel_ord == u->cur_real_order_index && u->current_order.IsType(OT_LOADING)) {
CancelLoadingDueToDeletedOrder(u);
}
if (sel_ord < u->cur_real_order_index) {
u->cur_real_order_index--;
} else if (sel_ord == u->cur_real_order_index) {
u->UpdateRealOrderIndex();
}
if (sel_ord < u->cur_implicit_order_index) {
u->cur_implicit_order_index--;
} else if (sel_ord == u->cur_implicit_order_index) {
/* Make sure the index is valid */
if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
/* Skip non-implicit orders for the implicit-order-index (e.g. if the current implicit order was deleted */
while (u->cur_implicit_order_index != u->cur_real_order_index && !u->GetOrder(u->cur_implicit_order_index)->IsType(OT_IMPLICIT)) {
u->cur_implicit_order_index++;
if (u->cur_implicit_order_index >= u->GetNumOrders()) u->cur_implicit_order_index = 0;
}
}
/* Unbunching data is no longer valid. */
u->ResetDepotUnbunching();
/* 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 (Order *order : v->Orders()) {
if (order->IsType(OT_CONDITIONAL)) {
VehicleOrderID order_id = order->GetConditionSkipToOrder();
if (order_id >= sel_ord) {
order_id = std::max(order_id - 1, 0);
}
if (order_id == cur_order_id) {
order_id = (order_id + 1) % v->GetNumOrders();
}
order->SetConditionSkipToOrder(order_id);
}
cur_order_id++;
}
InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 0);
}
/**
* Goto order of order-list.
* @param flags operation to perform
* @param veh_id The ID of the vehicle which order is skipped
* @param sel_ord the selected order to which we want to skip
* @return the cost of this operation or an error
*/
CommandCost CmdSkipToOrder(DoCommandFlag flags, VehicleID veh_id, VehicleOrderID sel_ord)
{
Vehicle *v = Vehicle::GetIfValid(veh_id);
if (v == nullptr || !v->IsPrimaryVehicle() || sel_ord == v->cur_implicit_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) {
if (v->current_order.IsType(OT_LOADING)) v->LeaveStation();
v->cur_implicit_order_index = v->cur_real_order_index = sel_ord;
v->UpdateRealOrderIndex();
/* Unbunching data is no longer valid. */
v->ResetDepotUnbunching();
InvalidateVehicleOrder(v, VIWD_MODIFY_ORDERS);
/* 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 flags operation to perform
* @param veh the ID of the vehicle
* @param moving_order the order to move
* @param target_order the target order
* @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(DoCommandFlag flags, VehicleID veh, VehicleOrderID moving_order, VehicleOrderID target_order)
{
Vehicle *v = Vehicle::GetIfValid(veh);
if (v == nullptr || !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 == nullptr) return CMD_ERROR;
if (flags & DC_EXEC) {
v->orders->MoveOrder(moving_order, target_order);
/* Update shared list */
Vehicle *u = v->FirstShared();
DeleteOrderWarnings(u);
for (; u != nullptr; u = u->NextShared()) {
/* Update the current order.
* There are multiple ways to move orders, which result in cur_implicit_order_index
* and cur_real_order_index to not longer make any sense. E.g. moving another
* real order between them.
*
* Basically one could choose to preserve either of them, but not both.
* While both ways are suitable in this or that case from a human point of view, neither
* of them makes really sense.
* However, from an AI point of view, preserving cur_real_order_index is the most
* predictable and transparent behaviour.
*
* With that decision it basically does not matter what we do to cur_implicit_order_index.
* If we change orders between the implicit- and real-index, the implicit orders are mostly likely
* completely out-dated anyway. So, keep it simple and just keep cur_implicit_order_index as well.
* The worst which can happen is that a lot of implicit orders are removed when reaching current_order.
*/
if (u->cur_real_order_index == moving_order) {
u->cur_real_order_index = target_order;
} else if (u->cur_real_order_index > moving_order && u->cur_real_order_index <= target_order) {
u->cur_real_order_index--;
} else if (u->cur_real_order_index < moving_order && u->cur_real_order_index >= target_order) {
u->cur_real_order_index++;
}
if (u->cur_implicit_order_index == moving_order) {
u->cur_implicit_order_index = target_order;
} else if (u->cur_implicit_order_index > moving_order && u->cur_implicit_order_index <= target_order) {
u->cur_implicit_order_index--;
} else if (u->cur_implicit_order_index < moving_order && u->cur_implicit_order_index >= target_order) {
u->cur_implicit_order_index++;
}
/* Unbunching data is no longer valid. */
u->ResetDepotUnbunching();
assert(v->orders == u->orders);
/* 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'. */
for (Order *order : v->Orders()) {
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 flags operation to perform
* @param veh ID of the vehicle
* @param sel_ord 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 mof what data to modify (@see ModifyOrderFlags)
* @param data the data to modify
* @return the cost of this operation or an error
*/
CommandCost CmdModifyOrder(DoCommandFlag flags, VehicleID veh, VehicleOrderID sel_ord, ModifyOrderFlags mof, uint16_t data)
{
if (mof >= MOF_END) return CMD_ERROR;
Vehicle *v = Vehicle::GetIfValid(veh);
if (v == nullptr || !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);
assert(order != nullptr);
switch (order->GetType()) {
case OT_GOTO_STATION:
if (mof != MOF_NON_STOP && mof != MOF_STOP_LOCATION && mof != MOF_UNLOAD && mof != MOF_LOAD) 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->IsGroundVehicle()) 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 (order->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) return CMD_ERROR;
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 (order->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) return CMD_ERROR;
if (data > OLFB_NO_LOAD || data == 1) return CMD_ERROR;
if (data == order->GetLoadType()) return CMD_ERROR;
if ((data & (OLFB_FULL_LOAD | OLF_FULL_LOAD_ANY)) && v->HasUnbunchingOrder()) return CommandCost(STR_ERROR_UNBUNCHING_NO_FULL_LOAD);
break;
case MOF_DEPOT_ACTION:
if (data >= DA_END) return CMD_ERROR;
/* Check if we are allowed to add unbunching. We are always allowed to remove it. */
if (data == DA_UNBUNCH) {
/* Only one unbunching order is allowed in a vehicle's orders. If this order already has an unbunching action, no error is needed. */
if (v->HasUnbunchingOrder() && !(order->GetDepotActionType() & ODATFB_UNBUNCH)) return CommandCost(STR_ERROR_UNBUNCHING_ONLY_ONE_ALLOWED);
/* We don't allow unbunching if the vehicle has a conditional order. */
if (v->HasConditionalOrder()) return CommandCost(STR_ERROR_UNBUNCHING_NO_UNBUNCHING_CONDITIONAL);
/* We don't allow unbunching if the vehicle has a full load order. */
if (v->HasFullLoadOrder()) return CommandCost(STR_ERROR_UNBUNCHING_NO_UNBUNCHING_FULL_LOAD);
}
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:
case OCV_REQUIRES_SERVICE:
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);
if (data & ONSF_NO_STOP_AT_DESTINATION_STATION) {
order->SetRefit(CARGO_NO_REFIT);
order->SetLoadType(OLF_LOAD_IF_POSSIBLE);
order->SetUnloadType(OUF_UNLOAD_IF_POSSIBLE);
}
break;
case MOF_STOP_LOCATION:
order->SetStopLocation((OrderStopLocation)data);
break;
case MOF_UNLOAD:
order->SetUnloadType((OrderUnloadFlags)data);
break;
case MOF_LOAD:
order->SetLoadType((OrderLoadFlags)data);
if (data & OLFB_NO_LOAD) order->SetRefit(CARGO_NO_REFIT);
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));
order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_UNBUNCH));
break;
case DA_SERVICE:
order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() | ODTFB_SERVICE));
order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_UNBUNCH));
order->SetRefit(CARGO_NO_REFIT);
break;
case DA_STOP:
order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() | ODATFB_HALT));
order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_UNBUNCH));
order->SetRefit(CARGO_NO_REFIT);
break;
case DA_UNBUNCH:
order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() | ODATFB_UNBUNCH));
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);
order->SetConditionValue(0);
break;
case OCV_LOAD_PERCENTAGE:
case OCV_RELIABILITY:
if (order->GetConditionValue() > 100) order->SetConditionValue(100);
[[fallthrough]];
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 != nullptr; 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 OrderType 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_real_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());
}
/* Unbunching data is no longer valid. */
u->ResetDepotUnbunching();
InvalidateVehicleOrder(u, VIWD_MODIFY_ORDERS);
}
}
return CommandCost();
}
/**
* Check if an aircraft has enough range for an order list.
* @param v_new Aircraft to check.
* @param v_order Vehicle currently holding the order list.
* @param first First order in the source order list.
* @return True if the aircraft has enough range for the orders, false otherwise.
*/
static bool CheckAircraftOrderDistance(const Aircraft *v_new, const Vehicle *v_order, const Order *first)
{
if (first == nullptr || v_new->acache.cached_max_range == 0) return true;
/* Iterate over all orders to check the distance between all
* 'goto' orders and their respective next order (of any type). */
for (const Order *o = first; o != nullptr; o = o->next) {
switch (o->GetType()) {
case OT_GOTO_STATION:
case OT_GOTO_DEPOT:
case OT_GOTO_WAYPOINT:
/* If we don't have a next order, we've reached the end and must check the first order instead. */
if (GetOrderDistance(o, o->next != nullptr ? o->next : first, v_order) > v_new->acache.cached_max_range_sqr) return false;
break;
default: break;
}
}
return true;
}
/**
* Clone/share/copy an order-list of another vehicle.
* @param flags operation to perform
* @param action action to perform
* @param veh_dst destination vehicle to clone orders to
* @param veh_src source vehicle to clone orders from, if any (none for CO_UNSHARE)
* @return the cost of this operation or an error
*/
CommandCost CmdCloneOrder(DoCommandFlag flags, CloneOptions action, VehicleID veh_dst, VehicleID veh_src)
{
Vehicle *dst = Vehicle::GetIfValid(veh_dst);
if (dst == nullptr || !dst->IsPrimaryVehicle()) return CMD_ERROR;
CommandCost ret = CheckOwnership(dst->owner);
if (ret.Failed()) return ret;
switch (action) {
case CO_SHARE: {
Vehicle *src = Vehicle::GetIfValid(veh_src);
/* Sanity checks */
if (src == nullptr || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
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;
for (const Order *order : src->Orders()) {
if (!OrderGoesToStation(dst, order)) continue;
/* Allow copying unreachable destinations if they were already unreachable for the source.
* This is basically to allow cloning / autorenewing / autoreplacing vehicles, while the stations
* are temporarily invalid due to reconstruction. */
const Station *st = Station::Get(order->GetDestination());
if (CanVehicleUseStation(src, st) && !CanVehicleUseStation(dst, st)) {
return CommandCost(STR_ERROR_CAN_T_COPY_SHARE_ORDER, GetVehicleCannotUseStationReason(dst, st));
}
}
/* Check for aircraft range limits. */
if (dst->type == VEH_AIRCRAFT && !CheckAircraftOrderDistance(Aircraft::From(dst), src, src->GetFirstOrder())) {
return CommandCost(STR_ERROR_AIRCRAFT_NOT_ENOUGH_RANGE);
}
if (src->orders == nullptr && !OrderList::CanAllocateItem()) {
return CommandCost(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
}
if (flags & DC_EXEC) {
/* If the destination vehicle had a OrderList, destroy it.
* We only reset the order indices, if the new orders are obviously different.
* (We mainly do this to keep the order indices valid and in range.) */
DeleteVehicleOrders(dst, false, dst->GetNumOrders() != src->GetNumOrders());
dst->orders = src->orders;
/* Link this vehicle in the shared-list */
dst->AddToShared(src);
InvalidateVehicleOrder(dst, VIWD_REMOVE_ALL_ORDERS);
InvalidateVehicleOrder(src, VIWD_MODIFY_ORDERS);
InvalidateWindowClassesData(GetWindowClassForVehicleType(dst->type), 0);
}
break;
}
case CO_COPY: {
Vehicle *src = Vehicle::GetIfValid(veh_src);
/* Sanity checks */
if (src == nullptr || !src->IsPrimaryVehicle() || dst->type != src->type || dst == src) return CMD_ERROR;
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 aircraft. */
for (const Order *order : src->Orders()) {
if (!OrderGoesToStation(dst, order)) continue;
Station *st = Station::Get(order->GetDestination());
if (!CanVehicleUseStation(dst, st)) {
return CommandCost(STR_ERROR_CAN_T_COPY_SHARE_ORDER, GetVehicleCannotUseStationReason(dst, st));
}
}
/* Check for aircraft range limits. */
if (dst->type == VEH_AIRCRAFT && !CheckAircraftOrderDistance(Aircraft::From(dst), src, src->GetFirstOrder())) {
return CommandCost(STR_ERROR_AIRCRAFT_NOT_ENOUGH_RANGE);
}
/* make sure there are orders available */
if (!Order::CanAllocateItem(src->GetNumOrders()) || !OrderList::CanAllocateItem()) {
return CommandCost(STR_ERROR_NO_MORE_SPACE_FOR_ORDERS);
}
if (flags & DC_EXEC) {
Order *first = nullptr;
Order **order_dst;
/* If the destination vehicle had an order list, destroy the chain but keep the OrderList.
* We only reset the order indices, if the new orders are obviously different.
* (We mainly do this to keep the order indices valid and in range.) */
DeleteVehicleOrders(dst, true, dst->GetNumOrders() != src->GetNumOrders());
order_dst = &first;
for (const Order *order : src->Orders()) {
*order_dst = new Order();
(*order_dst)->AssignOrder(*order);
order_dst = &(*order_dst)->next;
}
if (dst->orders == nullptr) {
dst->orders = new OrderList(first, dst);
} else {
assert(dst->orders->GetFirstOrder() == nullptr);
assert(!dst->orders->IsShared());
delete dst->orders;
assert(OrderList::CanAllocateItem());
dst->orders = new OrderList(first, dst);
}
InvalidateVehicleOrder(dst, VIWD_REMOVE_ALL_ORDERS);
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 flags operation to perform
* @param veh VehicleIndex of the vehicle having the order
* @param order_number number of order to modify
* @param cargo CargoID
* @return the cost of this operation or an error
*/
CommandCost CmdOrderRefit(DoCommandFlag flags, VehicleID veh, VehicleOrderID order_number, CargoID cargo)
{
if (cargo >= NUM_CARGO && cargo != CARGO_NO_REFIT && cargo != CARGO_AUTO_REFIT) return CMD_ERROR;
const Vehicle *v = Vehicle::GetIfValid(veh);
if (v == nullptr || !v->IsPrimaryVehicle()) return CMD_ERROR;
CommandCost ret = CheckOwnership(v->owner);
if (ret.Failed()) return ret;
Order *order = v->GetOrder(order_number);
if (order == nullptr) return CMD_ERROR;
/* Automatic refit cargo is only supported for goto station orders. */
if (cargo == CARGO_AUTO_REFIT && !order->IsType(OT_GOTO_STATION)) return CMD_ERROR;
if (order->GetLoadType() & OLFB_NO_LOAD) return CMD_ERROR;
if (flags & DC_EXEC) {
order->SetRefit(cargo);
/* Make the depot order an 'always go' order. */
if (cargo != CARGO_NO_REFIT && order->IsType(OT_GOTO_DEPOT)) {
order->SetDepotOrderType((OrderDepotTypeFlags)(order->GetDepotOrderType() & ~ODTFB_SERVICE));
order->SetDepotActionType((OrderDepotActionFlags)(order->GetDepotActionType() & ~ODATFB_HALT));
}
for (Vehicle *u = v->FirstShared(); u != nullptr; u = u->NextShared()) {
/* Update any possible open window of the vehicle */
InvalidateVehicleOrder(u, VIWD_MODIFY_ORDERS);
/* If the vehicle already got the current depot set as current order, then update current order as well */
if (u->cur_real_order_index == order_number && (u->current_order.GetDepotOrderType() & ODTFB_PART_OF_ORDERS)) {
u->current_order.SetRefit(cargo);
}
}
}
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) {
StringID message = INVALID_STRING_ID;
/* Check the order list */
int n_st = 0;
for (const Order *order : v->Orders()) {
/* Dummy order? */
if (order->IsType(OT_DUMMY)) {
message = STR_NEWS_VEHICLE_HAS_VOID_ORDER;
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)) {
message = STR_NEWS_VEHICLE_HAS_INVALID_ENTRY;
} else if (v->type == VEH_AIRCRAFT &&
(AircraftVehInfo(v->engine_type)->subtype & AIR_FAST) &&
(st->airport.GetFTA()->flags & AirportFTAClass::SHORT_STRIP) &&
!_cheats.no_jetcrash.value &&
message == INVALID_STRING_ID) {
message = STR_NEWS_PLANE_USES_TOO_SHORT_RUNWAY;
}
}
}
/* Check if the last and the first order are the same */
if (v->GetNumOrders() > 1) {
const Order *last = v->GetLastOrder();
if (v->orders->GetFirstOrder()->Equals(*last)) {
message = STR_NEWS_VEHICLE_HAS_DUPLICATE_ENTRY;
}
}
/* Do we only have 1 station in our order list? */
if (n_st < 2 && message == INVALID_STRING_ID) message = STR_NEWS_VEHICLE_HAS_TOO_FEW_ORDERS;
#ifdef WITH_ASSERT
if (v->orders != nullptr) v->orders->DebugCheckSanity();
#endif
/* We don't have a problem */
if (message == INVALID_STRING_ID) return;
SetDParam(0, v->index);
AddVehicleAdviceNewsItem(message, 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.
* @param hangar Only used for airports in the destination.
* When false, remove airport and hangar orders.
* When true, remove either airport or hangar order.
*/
void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination, bool hangar)
{
/* Aircraft have StationIDs for depot orders and never use DepotIDs
* This fact is handled specially below
*/
/* Go through all vehicles */
for (Vehicle *v : Vehicle::Iterate()) {
if ((v->type == VEH_AIRCRAFT && v->current_order.IsType(OT_GOTO_DEPOT) && !hangar ? OT_GOTO_STATION : v->current_order.GetType()) == type &&
(!hangar || v->type == VEH_AIRCRAFT) && v->current_order.GetDestination() == destination) {
v->current_order.MakeDummy();
SetWindowDirty(WC_VEHICLE_VIEW, v->index);
}
/* Clear the order from the order-list */
int id = -1;
for (Order *order : v->Orders()) {
id++;
restart:
OrderType ot = order->GetType();
if (ot == OT_GOTO_DEPOT && (order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) != 0) continue;
if (ot == OT_GOTO_DEPOT && hangar && v->type != VEH_AIRCRAFT) continue; // Not an aircraft? Can't have a hangar order.
if (ot == OT_IMPLICIT || (v->type == VEH_AIRCRAFT && ot == OT_GOTO_DEPOT && !hangar)) ot = OT_GOTO_STATION;
if (ot == type && order->GetDestination() == destination) {
/* We want to clear implicit orders, but we don't want to make them
* dummy orders. They should just vanish. Also check the actual order
* type as ot is currently OT_GOTO_STATION. */
if (order->IsType(OT_IMPLICIT)) {
order = order->next; // DeleteOrder() invalidates current order
DeleteOrder(v, id);
if (order != nullptr) goto restart;
break;
}
/* Clear wait time */
v->orders->UpdateTotalDuration(-order->GetWaitTime());
if (order->IsWaitTimetabled()) {
v->orders->UpdateTimetableDuration(-order->GetTimetabledWait());
order->SetWaitTimetabled(false);
}
order->SetWaitTime(0);
/* Clear order, preserving travel time */
bool travel_timetabled = order->IsTravelTimetabled();
order->MakeDummy();
order->SetTravelTimetabled(travel_timetabled);
for (const Vehicle *w = v->FirstShared(); w != nullptr; 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);
}
}
}
}
OrderBackup::RemoveOrder(type, destination, hangar);
}
/**
* Checks if a vehicle has a depot in its order list.
* @return True iff at least one order is a depot order.
*/
bool Vehicle::HasDepotOrder() const
{
for (const Order *order : this->Orders()) {
if (order->IsType(OT_GOTO_DEPOT)) return true;
}
return false;
}
/**
* Delete all orders from a vehicle
* @param v Vehicle whose orders to reset
* @param keep_orderlist If true, do not free the order list, only empty it.
* @param reset_order_indices If true, reset cur_implicit_order_index and cur_real_order_index
* and cancel the current full load order (if the vehicle is loading).
* If false, _you_ have to make sure the order indices are valid after
* your messing with them!
*/
void DeleteVehicleOrders(Vehicle *v, bool keep_orderlist, bool reset_order_indices)
{
DeleteOrderWarnings(v);
if (v->IsOrderListShared()) {
/* Remove ourself from the shared order list. */
v->RemoveFromShared();
v->orders = nullptr;
} else if (v->orders != nullptr) {
/* Remove the orders */
v->orders->FreeChain(keep_orderlist);
if (!keep_orderlist) v->orders = nullptr;
}
/* Unbunching data is no longer valid. */
v->ResetDepotUnbunching();
if (reset_order_indices) {
v->cur_implicit_order_index = v->cur_real_order_index = 0;
if (v->current_order.IsType(OT_LOADING)) {
CancelLoadingDueToDeletedOrder(v);
}
}
}
/**
* Clamp the service interval to the correct min/max. The actual min/max values
* depend on whether it's in days, minutes, or percent.
* @param interval The proposed service interval.
* @param ispercent Whether the interval is a percent.
* @return The service interval clamped to use the chosen units.
*/
uint16_t GetServiceIntervalClamped(int interval, bool ispercent)
{
/* Service intervals are in percents. */
if (ispercent) return Clamp(interval, MIN_SERVINT_PERCENT, MAX_SERVINT_PERCENT);
/* Service intervals are in minutes. */
if (TimerGameEconomy::UsingWallclockUnits(_game_mode == GM_MENU)) return Clamp(interval, MIN_SERVINT_MINUTES, MAX_SERVINT_MINUTES);
/* Service intervals are in days. */
return 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)
{
for (const Order *order : v->Orders()) {
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();
}
}
template <typename T, std::enable_if_t<std::is_base_of<StrongTypedefBase, T>::value, int> = 0>
static bool OrderConditionCompare(OrderConditionComparator occ, T variable, int value)
{
return OrderConditionCompare(occ, variable.base(), value);
}
/**
* 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_t value = order->GetConditionValue();
switch (order->GetConditionVariable()) {
case OCV_LOAD_PERCENTAGE: skip_order = OrderConditionCompare(occ, CalcPercentVehicleFilled(v, nullptr), value); break;
case OCV_RELIABILITY: skip_order = OrderConditionCompare(occ, ToPercent16(v->reliability), value); break;
case OCV_MAX_RELIABILITY: skip_order = OrderConditionCompare(occ, ToPercent16(v->GetEngine()->reliability), value); break;
case OCV_MAX_SPEED: skip_order = OrderConditionCompare(occ, v->GetDisplayMaxSpeed() * 10 / 16, value); break;
case OCV_AGE: skip_order = OrderConditionCompare(occ, TimerGameCalendar::DateToYear(v->age), value); break;
case OCV_REQUIRES_SERVICE: skip_order = OrderConditionCompare(occ, v->NeedsServicing(), value); break;
case OCV_UNCONDITIONALLY: skip_order = true; break;
case OCV_REMAINING_LIFETIME: skip_order = OrderConditionCompare(occ, std::max(TimerGameCalendar::DateToYear(v->max_age - v->age + CalendarTime::DAYS_IN_LEAP_YEAR - 1), TimerGameCalendar::Year(0)), value); 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.
* @param pbs_look_ahead Whether we are forecasting orders for pbs reservations in advance. If true, the order indices must not be modified.
*/
bool UpdateOrderDest(Vehicle *v, const Order *order, int conditional_depth, bool pbs_look_ahead)
{
if (conditional_depth > v->GetNumOrders()) {
v->current_order.Free();
v->SetDestTile(0);
return false;
}
switch (order->GetType()) {
case OT_GOTO_STATION:
v->SetDestTile(v->GetOrderStationLocation(order->GetDestination()));
return true;
case OT_GOTO_DEPOT:
if ((order->GetDepotOrderType() & ODTFB_SERVICE) && !v->NeedsServicing()) {
assert(!pbs_look_ahead);
UpdateVehicleTimetable(v, true);
v->IncrementRealOrderIndex();
break;
}
if (v->current_order.GetDepotActionType() & ODATFB_NEAREST_DEPOT) {
/* If the vehicle can't find its destination, delay its next search.
* In case many vehicles are in this state, use the vehicle index to spread out pathfinder calls. */
if (v->dest_tile == 0 && TimerGameEconomy::date_fract != (v->index % Ticks::DAY_TICKS)) break;
/* We need to search for the nearest depot (hangar). */
ClosestDepot closestDepot = v->FindClosestDepot();
if (closestDepot.found) {
/* PBS reservations cannot reverse */
if (pbs_look_ahead && closestDepot.reverse) return false;
v->SetDestTile(closestDepot.location);
v->current_order.SetDestination(closestDepot.destination);
/* If there is no depot in front, reverse automatically (trains only) */
if (v->type == VEH_TRAIN && closestDepot.reverse) Command<CMD_REVERSE_TRAIN_DIRECTION>::Do(DC_EXEC, v->index, false);
if (v->type == VEH_AIRCRAFT) {
Aircraft *a = Aircraft::From(v);
if (a->state == FLYING && a->targetairport != closestDepot.destination) {
/* The aircraft is now heading for a different hangar than the next in the orders */
AircraftNextAirportPos_and_Order(a);
}
}
return true;
}
/* If there is no depot, we cannot help PBS either. */
if (pbs_look_ahead) return false;
UpdateVehicleTimetable(v, true);
v->IncrementRealOrderIndex();
} else {
if (v->type != VEH_AIRCRAFT) {
v->SetDestTile(Depot::Get(order->GetDestination())->xy);
} else {
Aircraft *a = Aircraft::From(v);
DestinationID destination = a->current_order.GetDestination();
if (a->targetairport != destination) {
/* The aircraft is now heading for a different hangar than the next in the orders */
a->SetDestTile(a->GetOrderStationLocation(destination));
}
}
return true;
}
break;
case OT_GOTO_WAYPOINT:
v->SetDestTile(Waypoint::Get(order->GetDestination())->xy);
return true;
case OT_CONDITIONAL: {
assert(!pbs_look_ahead);
VehicleOrderID next_order = ProcessConditionalOrder(order, v);
if (next_order != INVALID_VEH_ORDER_ID) {
/* Jump to next_order. cur_implicit_order_index becomes exactly that order,
* cur_real_order_index might come after next_order. */
UpdateVehicleTimetable(v, false);
v->cur_implicit_order_index = v->cur_real_order_index = next_order;
v->UpdateRealOrderIndex();
v->current_order_time += v->GetOrder(v->cur_real_order_index)->GetTimetabledTravel();
/* Disable creation of implicit orders.
* When inserting them we do not know that we would have to make the conditional orders point to them. */
if (v->IsGroundVehicle()) {
uint16_t &gv_flags = v->GetGroundVehicleFlags();
SetBit(gv_flags, GVF_SUPPRESS_IMPLICIT_ORDERS);
}
} else {
UpdateVehicleTimetable(v, true);
v->IncrementRealOrderIndex();
}
break;
}
default:
v->SetDestTile(0);
return false;
}
assert(v->cur_implicit_order_index < v->GetNumOrders());
assert(v->cur_real_order_index < v->GetNumOrders());
/* Get the current order */
order = v->GetOrder(v->cur_real_order_index);
if (order != nullptr && order->IsType(OT_IMPLICIT)) {
assert(v->GetNumManualOrders() == 0);
order = nullptr;
}
if (order == nullptr) {
v->current_order.Free();
v->SetDestTile(0);
return false;
}
v->current_order = *order;
return UpdateOrderDest(v, order, conditional_depth + 1, pbs_look_ahead);
}
/**
* 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)) {
v->DeleteUnreachedImplicitOrders();
/* 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->IncrementImplicitOrderIndex();
}
/* Get the current order */
assert(v->cur_implicit_order_index == 0 || v->cur_implicit_order_index < v->GetNumOrders());
v->UpdateRealOrderIndex();
const Order *order = v->GetOrder(v->cur_real_order_index);
if (order != nullptr && order->IsType(OT_IMPLICIT)) {
assert(v->GetNumManualOrders() == 0);
order = nullptr;
}
/* If no order, do nothing. */
if (order == nullptr || (v->type == VEH_AIRCRAFT && !CheckForValidOrders(v))) {
if (v->type == VEH_AIRCRAFT) {
/* Aircraft do something vastly different here, so handle separately */
HandleMissingAircraftOrders(Aircraft::From(v));
return false;
}
v->current_order.Free();
v->SetDestTile(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())->ship_station.tile != INVALID_TILE)) {
return false;
}
/* Otherwise set it, and determine the destination tile. */
v->current_order = *order;
InvalidateVehicleOrder(v, VIWD_MODIFY_ORDERS);
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));
}
bool Order::CanLoadOrUnload() const
{
return (this->IsType(OT_GOTO_STATION) || this->IsType(OT_IMPLICIT)) &&
(this->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) == 0 &&
((this->GetLoadType() & OLFB_NO_LOAD) == 0 ||
(this->GetUnloadType() & OUFB_NO_UNLOAD) == 0);
}
/**
* A vehicle can leave the current station with cargo if:
* 1. it can load cargo here OR
* 2a. it could leave the last station with cargo AND
* 2b. it doesn't have to unload all cargo here.
*/
bool Order::CanLeaveWithCargo(bool has_cargo) const
{
return (this->GetLoadType() & OLFB_NO_LOAD) == 0 || (has_cargo &&
(this->GetUnloadType() & (OUFB_UNLOAD | OUFB_TRANSFER)) == 0);
}