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/* $Id$ */
/** @file order.h */
#ifndef ORDER_H
#define ORDER_H
#include "macros.h"
#include "oldpool.h"
enum {
INVALID_VEH_ORDER_ID = 0xFF,
};
static const OrderID INVALID_ORDER = 0xFFFF;
/* Order types */
enum OrderType {
OT_BEGIN = 0,
OT_NOTHING = 0,
OT_GOTO_STATION = 1,
OT_GOTO_DEPOT = 2,
OT_LOADING = 3,
OT_LEAVESTATION = 4,
OT_DUMMY = 5,
OT_GOTO_WAYPOINT = 6,
OT_END
};
/* It needs to be 8bits, because we save and load it as such */
/** Define basic enum properties */
template <> struct EnumPropsT<OrderType> : MakeEnumPropsT<OrderType, byte, OT_BEGIN, OT_END, OT_END> {};
typedef TinyEnumT<OrderType> OrderTypeByte;
/* Order flags -- please use OFB instead OF and use HASBIT/SETBIT/CLEARBIT */
/** Order flag masks - these are for direct bit operations */
enum OrderFlagMasks {
//Flags for stations:
/** vehicle will transfer cargo (i. e. not deliver to nearby industry/town even if accepted there) */
OF_TRANSFER = 0x1,
/** If OF_TRANSFER is not set, drop any cargo loaded. If accepted, deliver, otherwise cargo remains at the station.
* No new cargo is loaded onto the vehicle whatsoever */
OF_UNLOAD = 0x2,
/** Wait for full load of all vehicles, or of at least one cargo type, depending on patch setting
* @todo make this two different flags */
OF_FULL_LOAD = 0x4,
//Flags for depots:
/** The current depot-order was initiated because it was in the vehicle's order list */
OF_PART_OF_ORDERS = 0x2,
/** if OF_PART_OF_ORDERS is not set, this will cause the vehicle to be stopped in the depot */
OF_HALT_IN_DEPOT = 0x4,
/** if OF_PART_OF_ORDERS is set, this will cause the order only be come active if the vehicle needs servicing */
OF_SERVICE_IF_NEEDED = 0x4, //used when OF_PART_OF_ORDERS is set.
//Common flags
/** This causes the vehicle not to stop at intermediate OR the destination station (depending on patch settings)
* @todo make this two different flags */
OF_NON_STOP = 0x8
};
/** Order flags bits - these are for the *BIT macros
* for descrption of flags, see OrderFlagMasks
* @see OrderFlagMasks
*/
enum {
OFB_TRANSFER = 0,
OFB_UNLOAD = 1,
OFB_FULL_LOAD = 2,
OFB_PART_OF_ORDERS = 1,
OFB_HALT_IN_DEPOT = 2,
OFB_SERVICE_IF_NEEDED = 2,
OFB_NON_STOP = 3
};
/* Possible clone options */
enum {
CO_SHARE = 0,
CO_COPY = 1,
CO_UNSHARE = 2
};
/* If you change this, keep in mind that it is saved on 3 places:
* - Load_ORDR, all the global orders
* - Vehicle -> current_order
* - REF_SHEDULE (all REFs are currently limited to 16 bits!!)
*/
struct Order {
Order *next; ///< Pointer to next order. If NULL, end of list
OrderTypeByte type;
uint8 flags;
DestinationID dest; ///< The destionation of the order.
OrderID index; ///< Index of the order, is not saved or anything, just for reference
CargoID refit_cargo; // Refit CargoID
byte refit_subtype; // Refit subtype
bool IsValid() const;
void Free();
void FreeChain();
};
#define MAX_BACKUP_ORDER_COUNT 40
struct BackuppedOrders {
VehicleID clone;
VehicleOrderID orderindex;
Order order[MAX_BACKUP_ORDER_COUNT + 1];
uint16 service_interval;
char name[32];
};
VARDEF TileIndex _backup_orders_tile;
VARDEF BackuppedOrders _backup_orders_data[1];
DECLARE_OLD_POOL(Order, Order, 6, 1000)
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();
}
/**
* Check if a Order really exists.
*/
inline bool Order::IsValid() const
{
return type != OT_NOTHING;
}
inline void Order::Free()
{
type = OT_NOTHING;
flags = 0;
dest = 0;
next = NULL;
}
inline void Order::FreeChain()
{
if (next != NULL) next->FreeChain();
Free();
}
#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)
static inline bool HasOrderPoolFree(uint amount)
{
const Order *order;
/* There is always room if not all blocks in the pool are reserved */
if (_Order_pool.current_blocks < _Order_pool.max_blocks)
return true;
FOR_ALL_ORDERS(order)
if (!order->IsValid())
if (--amount == 0)
return true;
return false;
}
/* Pack and unpack routines */
static inline uint32 PackOrder(const Order *order)
{
return order->dest << 16 | order->flags << 8 | order->type;
}
static inline Order UnpackOrder(uint32 packed)
{
Order order;
order.type = (OrderType)GB(packed, 0, 8);
order.flags = GB(packed, 8, 8);
order.dest = GB(packed, 16, 16);
order.next = NULL;
order.index = 0; // avoid compiler warning
order.refit_cargo = CT_NO_REFIT;
order.refit_subtype = 0;
return order;
}
/* Functions */
void BackupVehicleOrders(const Vehicle *v, BackuppedOrders *order);
void RestoreVehicleOrders(const Vehicle* v, const BackuppedOrders* order);
void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination);
void InvalidateVehicleOrder(const Vehicle *v);
bool VehicleHasDepotOrders(const Vehicle *v);
void CheckOrders(const Vehicle*);
void DeleteVehicleOrders(Vehicle *v);
bool IsOrderListShared(const Vehicle *v);
void AssignOrder(Order *order, Order data);
bool CheckForValidOrders(const Vehicle* v);
Order UnpackOldOrder(uint16 packed);
#endif /* ORDER_H */
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