mirror of https://github.com/OpenTTD/OpenTTD.git
93 lines
4.4 KiB
C
93 lines
4.4 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 npf_func.h Functions to access the new pathfinder. */
|
|
|
|
#ifndef NPF_FUNC_H
|
|
#define NPF_FUNC_H
|
|
|
|
#include "../../track_type.h"
|
|
#include "../../direction_type.h"
|
|
#include "../../vehicle_type.h"
|
|
#include "../pathfinder_type.h"
|
|
|
|
/**
|
|
* Used when user sends road vehicle to the nearest depot or if road vehicle needs servicing using NPF.
|
|
* @param v vehicle that needs to go to some depot
|
|
* @param max_penalty max distance (in pathfinder penalty) from the current vehicle position
|
|
* (used also as optimization - the pathfinder can stop path finding if max_penalty
|
|
* was reached and no depot was seen)
|
|
* @return the data about the depot
|
|
*/
|
|
FindDepotData NPFRoadVehicleFindNearestDepot(const RoadVehicle *v, int max_penalty);
|
|
|
|
/**
|
|
* Finds the best path for given road vehicle using NPF.
|
|
* @param v the RV that needs to find a path
|
|
* @param tile the tile to find the path from (should be next tile the RV is about to enter)
|
|
* @param enterdir diagonal direction which the RV will enter this new tile from
|
|
* @param path_found [out] Whether a path has been found (true) or has been guessed (false)
|
|
* @return the best trackdir for next turn or INVALID_TRACKDIR if the path could not be found
|
|
*/
|
|
Trackdir NPFRoadVehicleChooseTrack(const RoadVehicle *v, TileIndex tile, DiagDirection enterdir, bool &path_found);
|
|
|
|
/**
|
|
* Finds the best path for given ship using NPF.
|
|
* @param v the ship that needs to find a path
|
|
* @param path_found [out] Whether a path has been found (true) or has been guessed (false)
|
|
* @return the best trackdir for next turn or INVALID_TRACK if the path could not be found
|
|
*/
|
|
Track NPFShipChooseTrack(const Ship *v, bool &path_found);
|
|
|
|
/**
|
|
* Returns true if it is better to reverse the ship before leaving depot using NPF.
|
|
* @param v the ship leaving the depot
|
|
* @param trackdir [out] the best of all possible reversed trackdirs
|
|
* @return true if reversing is better
|
|
*/
|
|
bool NPFShipCheckReverse(const Ship *v, Trackdir *trackdir);
|
|
|
|
/**
|
|
* Used when user sends train to the nearest depot or if train needs servicing using NPF
|
|
* @param v train that needs to go to some depot
|
|
* @param max_penalty max max_penalty (in pathfinder penalty) from the current train position
|
|
* (used also as optimization - the pathfinder can stop path finding if max_penalty
|
|
* was reached and no depot was seen)
|
|
* @return the data about the depot
|
|
*/
|
|
FindDepotData NPFTrainFindNearestDepot(const Train *v, int max_penalty);
|
|
|
|
/**
|
|
* Try to extend the reserved path of a train to the nearest safe tile using NPF.
|
|
*
|
|
* @param v The train that needs to find a safe tile.
|
|
* @param tile Last tile of the current reserved path.
|
|
* @param td Last trackdir of the current reserved path.
|
|
* @param override_railtype Should all physically compatible railtypes be searched, even if the vehicle can't run on them on its own?
|
|
* @return True if the path could be extended to a safe tile.
|
|
*/
|
|
bool NPFTrainFindNearestSafeTile(const Train *v, TileIndex tile, Trackdir td, bool override_railtype);
|
|
|
|
/**
|
|
* Returns true if it is better to reverse the train before leaving station using NPF.
|
|
* @param v the train leaving the station
|
|
* @return true if reversing is better
|
|
*/
|
|
bool NPFTrainCheckReverse(const Train *v);
|
|
|
|
/**
|
|
* Finds the best path for given train using NPF.
|
|
* @param v the train that needs to find a path
|
|
* @param path_found [out] Whether a path has been found (true) or has been guessed (false)
|
|
* @param reserve_track indicates whether YAPF should try to reserve the found path
|
|
* @param target [out] the target tile of the reservation, free is set to true if path was reserved
|
|
* @return the best track for next turn
|
|
*/
|
|
Track NPFTrainChooseTrack(const Train *v, bool &path_found, bool reserve_track, struct PBSTileInfo *target);
|
|
|
|
#endif /* NPF_FUNC_H */
|