87 lines
3.2 KiB
C++
87 lines
3.2 KiB
C++
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file order_backup.h Functions related to order backups. */
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#ifndef ORDER_BACKUP_H
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#define ORDER_BACKUP_H
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#include "core/pool_type.hpp"
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#include "date_type.h"
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#include "group_type.h"
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#include "order_type.h"
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#include "tile_type.h"
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#include "vehicle_type.h"
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/** Unique identifier for an order backup. */
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typedef uint8 OrderBackupID;
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struct OrderBackup;
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/** The pool type for order backups. */
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typedef Pool<OrderBackup, OrderBackupID, 1, 256> OrderBackupPool;
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/** The pool with order backups. */
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extern OrderBackupPool _order_backup_pool;
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/** Flag to pass to the vehicle construction command when an order should be preserved. */
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static const uint32 MAKE_ORDER_BACKUP_FLAG = 1U << 31;
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/**
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* Data for backing up an order of a vehicle so it can be
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* restored after a vehicle is rebuilt in the same depot.
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*/
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struct OrderBackup : OrderBackupPool::PoolItem<&_order_backup_pool> {
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private:
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friend const struct SaveLoad *GetOrderBackupDescription(); ///< Saving and loading of order backups.
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friend void Load_BKOR(); ///< Creating empty orders upon savegame loading.
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uint32 user; ///< The user that requested the backup.
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TileIndex tile; ///< Tile of the depot where the order was changed.
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GroupID group; ///< The group the vehicle was part of.
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Date service_interval; ///< The service interval of the vehicle.
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char *name; ///< The custom name of the vehicle.
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const Vehicle *clone; ///< Vehicle this vehicle was a clone of.
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VehicleOrderID orderindex; ///< The order-index the vehicle had.
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Order *orders; ///< The actual orders if the vehicle was not a clone.
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/** Creation for savegame restoration. */
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OrderBackup() {}
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OrderBackup(const Vehicle *v, uint32 user);
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void DoRestore(Vehicle *v);
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public:
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~OrderBackup();
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static void Backup(const Vehicle *v, uint32 user);
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static void Restore(Vehicle *v, uint32 user);
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static void ResetOfUser(TileIndex tile, uint32 user);
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static void ResetUser(uint32 user);
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static void Reset(TileIndex tile = INVALID_TILE, bool from_gui = true);
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static void ClearGroup(GroupID group);
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static void ClearVehicle(const Vehicle *v);
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static void RemoveOrder(OrderType type, DestinationID destination);
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};
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/**
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* Iterator over all order backups from a given ID.
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* @param var The variable to iterate with.
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* @param start The start of the iteration.
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*/
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#define FOR_ALL_ORDER_BACKUPS_FROM(var, start) FOR_ALL_ITEMS_FROM(OrderBackup, order_backup_index, var, start)
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/**
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* Iterator over all order backups.
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* @param var The variable to iterate with.
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*/
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#define FOR_ALL_ORDER_BACKUPS(var) FOR_ALL_ORDER_BACKUPS_FROM(var, 0)
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#endif /* ORDER_BACKUP_H */
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