OpenTTD/src/order_backup.h

66 lines
2.5 KiB
C++

/*
* 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_backup.h Functions related to order backups. */
#ifndef ORDER_BACKUP_H
#define ORDER_BACKUP_H
#include "core/pool_type.hpp"
#include "group_type.h"
#include "tile_type.h"
#include "vehicle_type.h"
#include "base_consist.h"
#include "saveload/saveload.h"
/** Unique identifier for an order backup. */
typedef uint8_t OrderBackupID;
struct OrderBackup;
/** The pool type for order backups. */
typedef Pool<OrderBackup, OrderBackupID, 1, 256> OrderBackupPool;
/** The pool with order backups. */
extern OrderBackupPool _order_backup_pool;
/**
* Data for backing up an order of a vehicle so it can be
* restored after a vehicle is rebuilt in the same depot.
*/
struct OrderBackup : OrderBackupPool::PoolItem<&_order_backup_pool>, BaseConsist {
private:
friend SaveLoadTable GetOrderBackupDescription(); ///< Saving and loading of order backups.
friend struct BKORChunkHandler; ///< Creating empty orders upon savegame loading.
uint32_t user; ///< The user that requested the backup.
TileIndex tile; ///< Tile of the depot where the order was changed.
GroupID group; ///< The group the vehicle was part of.
const Vehicle *clone; ///< Vehicle this vehicle was a clone of.
Order *orders; ///< The actual orders if the vehicle was not a clone.
/** Creation for savegame restoration. */
OrderBackup() {}
OrderBackup(const Vehicle *v, uint32_t user);
void DoRestore(Vehicle *v);
public:
~OrderBackup();
static void Backup(const Vehicle *v, uint32_t user);
static void Restore(Vehicle *v, uint32_t user);
static void ResetOfUser(TileIndex tile, uint32_t user);
static void ResetUser(uint32_t user);
static void Reset(TileIndex tile = INVALID_TILE, bool from_gui = true);
static void ClearGroup(GroupID group);
static void ClearVehicle(const Vehicle *v);
static void RemoveOrder(OrderType type, DestinationID destination, bool hangar);
};
#endif /* ORDER_BACKUP_H */