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/* $Id$ */
/** @file order_base.h */
#ifndef ORDER_BASE_H
#define ORDER_BASE_H
#include "order_type.h"
#include "oldpool.h"
#include "core/bitmath_func.hpp"
#include "cargo_type.h"
#include "depot_type.h"
#include "station_type.h"
#include "vehicle_type.h"
#include "waypoint_type.h"
DECLARE_OLD_POOL(Order, Order, 6, 1000)
/* 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 : PoolItem<Order, OrderID, &_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.
OrderTypeByte type; ///< The type of order
CargoID refit_cargo; ///< Refit CargoID
byte refit_subtype; ///< Refit subtype
public:
Order *next; ///< Pointer to next order. If NULL, end of list
uint8 flags;
DestinationID dest; ///< The destionation of the order.
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() { this->type = OT_NOTHING; }
/**
* Create an order based on a packed representation of that order.
* @param packed the packed representation.
*/
Order(uint32 packed);
/**
* Check if a Order really exists.
* @return true if the order is valid.
*/
inline bool IsValid() const { return this->type != OT_NOTHING; }
/**
* 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->type == type; }
/**
* Get the type of order of this order.
* @return the order type.
*/
inline OrderType GetType() const { return this->type; }
/**
* 'Free' the order
* @note ONLY use on "current_order" vehicle orders!
*/
void Free();
/**
* Makes this order a Go To Station order.
* @param destsination 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 cargo the cargo type to change to.
* @param subtype the subtype to change to.
*/
void MakeGoToDepot(DepotID destination, bool order, 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(WaypointID destination);
/**
* Makes this order a Loading order.
*/
void MakeLoading();
/**
* Makes this order a Leave Station order.
*/
void MakeLeaveStation();
/**
* Makes this order a Dummy order.
*/
void MakeDummy();
/**
* Free a complete order chain.
* @note do not use on "current_order" vehicle orders!
*/
void FreeChain();
/**
* 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);
bool ShouldStopAtStation(const Vehicle *v, StationID station) const;
/**
* 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;
};
static inline VehicleOrderID GetMaxOrderIndex()
{
/* TODO - This isn't the real content of the function, but
* with the new pool-system this will be replaced with one that
* _really_ returns the highest index. Now it just returns
* the next safe value we are sure about everything is below.
*/
return GetOrderPoolSize() - 1;
}
static inline VehicleOrderID GetNumOrders()
{
return GetOrderPoolSize();
}
#define FOR_ALL_ORDERS_FROM(order, start) for (order = GetOrder(start); order != NULL; order = (order->index + 1U < GetOrderPoolSize()) ? GetOrder(order->index + 1U) : NULL) if (order->IsValid())
#define FOR_ALL_ORDERS(order) FOR_ALL_ORDERS_FROM(order, 0)
#define FOR_VEHICLE_ORDERS(v, order) for (order = v->orders; order != NULL; order = order->next)
/* (Un)pack routines */
Order UnpackOldOrder(uint16 packed);
#endif /* ORDER_H */
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