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Location: cpp/openttd-patchpack/source/src/order_base.h - annotation
r16788:c54089fdf5e7
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(svn r21531) -Fix: gcc 3.4 warning
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r10546:a4ec290c1c46 r10546:a4ec290c1c46 r11966:921bea0ca112 r11966:921bea0ca112 r8784:f3d6ba8eb078 r8784:f3d6ba8eb078 | /* $Id$ */
/*
* 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_base.h Base class for orders. */
#ifndef ORDER_BASE_H
#define ORDER_BASE_H
#include "order_type.h"
#include "core/pool_type.hpp"
#include "core/bitmath_func.hpp"
#include "cargo_type.h"
#include "depot_type.h"
#include "station_type.h"
#include "vehicle_type.h"
#include "date_type.h"
typedef Pool<Order, OrderID, 256, 64000> OrderPool;
typedef Pool<OrderList, OrderListID, 128, 64000> OrderListPool;
extern OrderPool _order_pool;
extern OrderListPool _orderlist_pool;
/* If you change this, keep in mind that it is saved on 3 places:
* - Load_ORDR, all the global orders
* - Vehicle -> current_order
* - REF_ORDER (all REFs are currently limited to 16 bits!!)
*/
struct Order : OrderPool::PoolItem<&_order_pool> {
private:
friend const struct SaveLoad *GetVehicleDescription(VehicleType vt); ///< Saving and loading the current order of vehicles.
friend void Load_VEHS(); ///< Loading of ancient vehicles.
friend const struct SaveLoad *GetOrderDescription(); ///< Saving and loading of orders.
uint8 type; ///< The type of order + non-stop flags
uint8 flags; ///< Load/unload types, depot order/action types.
DestinationID dest; ///< The destination of the order.
CargoID refit_cargo; ///< Refit CargoID
byte refit_subtype; ///< Refit subtype
public:
Order *next; ///< Pointer to next order. If NULL, end of list
uint16 wait_time; ///< How long in ticks to wait at the destination.
uint16 travel_time; ///< How long in ticks the journey to this destination should take.
Order() : refit_cargo(CT_NO_REFIT) {}
~Order() {}
/**
* Create an order based on a packed representation of that order.
* @param packed the packed representation.
*/
Order(uint32 packed);
/**
* Check whether this order is of the given type.
* @param type the type to check against.
* @return true if the order matches.
*/
inline bool IsType(OrderType type) const { return this->GetType() == type; }
/**
* Get the type of order of this order.
* @return the order type.
*/
inline OrderType GetType() const { return (OrderType)GB(this->type, 0, 4); }
/**
* 'Free' the order
* @note ONLY use on "current_order" vehicle orders!
*/
void Free();
/**
* Makes this order a Go To Station order.
* @param destination the station to go to.
*/
void MakeGoToStation(StationID 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 overriden 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.
* @param subtype the subtype to change to.
*/
void MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type = ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS, OrderDepotActionFlags action = ODATF_SERVICE_ONLY, CargoID cargo = CT_NO_REFIT, byte subtype = 0);
/**
* Makes this order a Go To Waypoint order.
* @param destination the waypoint to go to.
*/
void MakeGoToWaypoint(StationID destination);
/**
* Makes this order a Loading order.
* @param ordered is this an ordered stop?
*/
void MakeLoading(bool ordered);
/**
* Makes this order a Leave Station order.
*/
void MakeLeaveStation();
/**
* Makes this order a Dummy order.
*/
void MakeDummy();
/**
* Makes this order an conditional order.
* @param order the order to jump to.
*/
void MakeConditional(VehicleOrderID order);
/**
* Gets the destination of this order.
* @pre IsType(OT_GOTO_WAYPOINT) || IsType(OT_GOTO_DEPOT) || IsType(OT_GOTO_STATION).
* @return the destination of the order.
*/
inline DestinationID GetDestination() const { return this->dest; }
/**
* Sets the destination of this order.
* @param destination the new destination of the order.
* @pre IsType(OT_GOTO_WAYPOINT) || IsType(OT_GOTO_DEPOT) || IsType(OT_GOTO_STATION).
*/
inline void SetDestination(DestinationID destination) { this->dest = destination; }
/**
* Is this order a refit order.
* @pre IsType(OT_GOTO_DEPOT)
* @return true if a refit should happen.
*/
inline bool IsRefit() const { return this->refit_cargo < NUM_CARGO; }
/**
* Get the cargo to to refit to.
* @pre IsType(OT_GOTO_DEPOT)
* @return the cargo type.
*/
inline CargoID GetRefitCargo() const { return this->refit_cargo; }
/**
* Get the cargo subtype to to refit to.
* @pre IsType(OT_GOTO_DEPOT)
* @return the cargo subtype.
*/
inline byte GetRefitSubtype() const { return this->refit_subtype; }
/**
* Make this depot order also a refit order.
* @param cargo the cargo type to change to.
* @param subtype the subtype to change to.
* @pre IsType(OT_GOTO_DEPOT).
*/
void SetRefit(CargoID cargo, byte subtype = 0);
/** How must the consist be loaded? */
inline OrderLoadFlags GetLoadType() const { return (OrderLoadFlags)GB(this->flags, 4, 4); }
/** How must the consist be unloaded? */
inline OrderUnloadFlags GetUnloadType() const { return (OrderUnloadFlags)GB(this->flags, 0, 4); }
/** At which stations must we stop? */
inline OrderNonStopFlags GetNonStopType() const { return (OrderNonStopFlags)GB(this->type, 6, 2); }
/** Where must we stop at the platform? */
inline OrderStopLocation GetStopLocation() const { return (OrderStopLocation)GB(this->type, 4, 2); }
/** What caused us going to the depot? */
inline OrderDepotTypeFlags GetDepotOrderType() const { return (OrderDepotTypeFlags)GB(this->flags, 0, 4); }
/** What are we going to do when in the depot. */
inline OrderDepotActionFlags GetDepotActionType() const { return (OrderDepotActionFlags)GB(this->flags, 4, 4); }
/** What variable do we have to compare? */
inline OrderConditionVariable GetConditionVariable() const { return (OrderConditionVariable)GB(this->dest, 11, 5); }
/** What is the comparator to use? */
inline OrderConditionComparator GetConditionComparator() const { return (OrderConditionComparator)GB(this->type, 5, 3); }
/** Get the order to skip to. */
inline VehicleOrderID GetConditionSkipToOrder() const { return this->flags; }
/** Get the value to base the skip on. */
inline uint16 GetConditionValue() const { return GB(this->dest, 0, 11); }
/** Set how the consist must be loaded. */
inline void SetLoadType(OrderLoadFlags load_type) { SB(this->flags, 4, 4, load_type); }
/** Set how the consist must be unloaded. */
inline void SetUnloadType(OrderUnloadFlags unload_type) { SB(this->flags, 0, 4, unload_type); }
/** Set whether we must stop at stations or not. */
inline void SetNonStopType(OrderNonStopFlags non_stop_type) { SB(this->type, 6, 2, non_stop_type); }
/** Set where we must stop at the platform. */
inline void SetStopLocation(OrderStopLocation stop_location) { SB(this->type, 4, 2, stop_location); }
/** Set the cause to go to the depot. */
inline void SetDepotOrderType(OrderDepotTypeFlags depot_order_type) { SB(this->flags, 0, 4, depot_order_type); }
/** Set what we are going to do in the depot. */
inline void SetDepotActionType(OrderDepotActionFlags depot_service_type) { SB(this->flags, 4, 4, depot_service_type); }
/** Set variable we have to compare. */
inline void SetConditionVariable(OrderConditionVariable condition_variable) { SB(this->dest, 11, 5, condition_variable); }
/** Set the comparator to use. */
inline void SetConditionComparator(OrderConditionComparator condition_comparator) { SB(this->type, 5, 3, condition_comparator); }
/** Get the order to skip to. */
inline void SetConditionSkipToOrder(VehicleOrderID order_id) { this->flags = order_id; }
/** Set the value to base the skip on. */
inline void SetConditionValue(uint16 value) { SB(this->dest, 0, 11, value); }
bool ShouldStopAtStation(const Vehicle *v, StationID station) const;
TileIndex GetLocation(const Vehicle *v) const;
/** Checks if this order has travel_time and if needed wait_time set. */
inline bool IsCompletelyTimetabled() const
{
if (this->travel_time == 0 && !this->IsType(OT_CONDITIONAL)) return false;
if (this->wait_time == 0 && this->IsType(OT_GOTO_STATION) && !(this->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION)) return false;
return true;
}
/**
* Assign the given order to this one.
* @param other the data to copy (except next pointer).
*/
void AssignOrder(const Order &other);
/**
* 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 Equals(const Order &other) const;
/**
* 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 Pack() const;
/**
* Pack this order into a 16 bits integer as close to the TTD
* representation as possible.
* @return the TTD-like packed representation.
*/
uint16 MapOldOrder() const;
/**
* Converts this order from an old savegame's version;
* it moves all bits to the new location.
*/
void ConvertFromOldSavegame();
};
/**
* Shared order list linking together the linked list of orders and the list
* of vehicles sharing this order list.
*/
struct OrderList : OrderListPool::PoolItem<&_orderlist_pool> {
private:
friend void AfterLoadVehicles(bool part_of_load); ///< For instantiating the shared vehicle chain
friend const struct SaveLoad *GetOrderListDescription(); ///< Saving and loading of order lists.
Order *first; ///< First order of the order list
VehicleOrderID num_orders; ///< NOSAVE: How many orders there are in the list
uint num_vehicles; ///< NOSAVE: Number of vehicles that share this order list
Vehicle *first_shared; ///< NOSAVE: pointer to the first vehicle in the shared order chain
Ticks timetable_duration; ///< NOSAVE: Total duration of the order list
public:
/** Default constructor producing an invalid order list. */
OrderList(VehicleOrderID num_orders = INVALID_VEH_ORDER_ID)
: first(NULL), num_orders(num_orders), num_vehicles(0), first_shared(NULL),
timetable_duration(0) { }
/**
* Create an order list with the given order chain for the given vehicle.
* @param chain pointer to the first order of the order chain
* @param v any vehicle using this orderlist
*/
OrderList(Order *chain, Vehicle *v) { this->Initialize(chain, v); }
/** Destructor. Invalidates OrderList for re-usage by the pool. */
~OrderList() {}
/**
* Recomputes everything.
* @param chain first order in the chain
* @param v one of vehicle that is using this orderlist
*/
void Initialize(Order *chain, Vehicle *v);
/**
* Get the first order of the order chain.
* @return the first order of the chain.
*/
inline Order *GetFirstOrder() const { return this->first; }
/**
* 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 *GetOrderAt(int index) const;
/**
* Get the last order of the order chain.
* @return the last order of the chain.
*/
inline Order *GetLastOrder() const { return this->GetOrderAt(this->num_orders - 1); }
/**
* Get number of orders in the order list.
* @return number of orders in the chain.
*/
inline VehicleOrderID GetNumOrders() const { return this->num_orders; }
/**
* 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 InsertOrderAt(Order *new_order, int index);
/**
* Remove an order from the order list and delete it.
* @param index is the position of the order which is to be deleted.
*/
void DeleteOrderAt(int index);
/**
* 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 MoveOrder(int from, int to);
/**
* Is this a shared order list?
* @return whether this order list is shared among multiple vehicles
*/
inline bool IsShared() const { return this->num_vehicles > 1; };
/**
* Get the first vehicle of this vehicle chain.
* @return the first vehicle of the chain.
*/
inline Vehicle *GetFirstSharedVehicle() const { return this->first_shared; }
/**
* Return the number of vehicles that share this orders list
* @return the count of vehicles that use this shared orders list
*/
inline uint GetNumVehicles() const { return this->num_vehicles; }
/**
* Checks whether a vehicle is part of the shared vehicle chain.
* @param v is the vehicle to search in the shared vehicle chain.
*/
bool IsVehicleInSharedOrdersList(const Vehicle *v) const;
/**
* Gets the position of the given vehicle within the shared order vehicle list.
* @param v is the vehicle of which to get the position
* @return position of v within the shared vehicle chain.
*/
int GetPositionInSharedOrderList(const Vehicle *v) const;
/**
* Adds the given vehicle to this shared order list.
* @note This is supposed to be called after the vehicle has been inserted
* into the shared vehicle chain.
* @param v vehicle to add to the list
*/
inline void AddVehicle(Vehicle *v) { ++this->num_vehicles; }
/**
* 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 RemoveVehicle(Vehicle *v);
/**
* Checks whether all orders of the list have a filled timetable.
* @return whether all orders have a filled timetable.
*/
bool IsCompleteTimetable() const;
/**
* Gets the total duration of the vehicles timetable or INVALID_TICKS is the timetable is not complete.
* @return total timetable duration or INVALID_TICKS for incomplete timetables
*/
inline Ticks GetTimetableTotalDuration() const { return this->IsCompleteTimetable() ? this->timetable_duration : INVALID_TICKS; }
/**
* Gets the known duration of the vehicles timetable even if the timetable is not complete.
* @return known timetable duration
*/
inline Ticks GetTimetableDurationIncomplete() const { return this->timetable_duration; }
/**
* Must be called if an order's timetable is changed to update internal book keeping.
* @param delta By how many ticks has the timetable duration changed
*/
void UpdateOrderTimetable(Ticks delta) { this->timetable_duration += delta; }
/**
* 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 FreeChain(bool keep_orderlist = false);
/**
* Checks for internal consistency of order list. Triggers assertion if something is wrong.
*/
void DebugCheckSanity() const;
};
#define FOR_ALL_ORDERS_FROM(var, start) FOR_ALL_ITEMS_FROM(Order, order_index, var, start)
#define FOR_ALL_ORDERS(var) FOR_ALL_ORDERS_FROM(var, 0)
#define FOR_VEHICLE_ORDERS(v, order) for (order = (v->orders.list == NULL) ? NULL : v->orders.list->GetFirstOrder(); order != NULL; order = order->next)
#define FOR_ALL_ORDER_LISTS_FROM(var, start) FOR_ALL_ITEMS_FROM(OrderList, orderlist_index, var, start)
#define FOR_ALL_ORDER_LISTS(var) FOR_ALL_ORDER_LISTS_FROM(var, 0)
#endif /* ORDER_H */
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