Cleanup: [NPF] Remove unused parameter.

src/pathfinder/npf/npf.cpp

@@ -1130,7 +1130,7 @@ FindDepotData NPFRoadVehicleFindNearestDepot(const RoadVehicle *v, int max_penal
 	return FindDepotData(ftd.node.tile, ftd.best_path_dist);
 }
 
-Trackdir NPFRoadVehicleChooseTrack(const RoadVehicle *v, TileIndex tile, DiagDirection enterdir, TrackdirBits trackdirs, bool &path_found)
+Trackdir NPFRoadVehicleChooseTrack(const RoadVehicle *v, TileIndex tile, DiagDirection enterdir, bool &path_found)
 {
 	NPFFindStationOrTileData fstd;
 
@@ -1152,7 +1152,7 @@ Trackdir NPFRoadVehicleChooseTrack(const RoadVehicle *v, TileIndex tile, DiagDir
 
 /*** Ships ***/
 
-Track NPFShipChooseTrack(const Ship *v, TrackBits tracks, bool &path_found)
+Track NPFShipChooseTrack(const Ship *v, bool &path_found)
 {
 	NPFFindStationOrTileData fstd;
 	Trackdir trackdir = v->GetVehicleTrackdir();
@@ -1255,7 +1255,7 @@ bool NPFTrainCheckReverse(const Train *v)
 	return ftd.best_bird_dist == 0 && NPFGetFlag(&ftd.node, NPF_FLAG_REVERSE);
 }
 
-Track NPFTrainChooseTrack(const Train *v, TrackBits tracks, bool &path_found, bool reserve_track, struct PBSTileInfo *target)
+Track NPFTrainChooseTrack(const Train *v, bool &path_found, bool reserve_track, struct PBSTileInfo *target)
 {
 	NPFFindStationOrTileData fstd;
 	NPFFillWithOrderData(&fstd, v, reserve_track);

src/pathfinder/npf/npf_func.h

@@ -32,20 +32,18 @@ FindDepotData NPFRoadVehicleFindNearestDepot(const RoadVehicle *v, int max_penal
  * @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 trackdirs available trackdirs on the new tile (to choose 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, TrackdirBits trackdirs, bool &path_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 tracks   available tracks on the new tile (to choose 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_TRACK if the path could not be found
  */
-Track NPFShipChooseTrack(const Ship *v, TrackBits tracks, bool &path_found);
+Track NPFShipChooseTrack(const Ship *v, bool &path_found);
 
 /**
  * Returns true if it is better to reverse the ship before leaving depot using NPF.
@@ -85,12 +83,11 @@ 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 tracks   available trackdirs on the new tile (to choose from)
  * @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, TrackBits tracks, bool &path_found, bool reserve_track, struct PBSTileInfo *target);
+Track NPFTrainChooseTrack(const Train *v, bool &path_found, bool reserve_track, struct PBSTileInfo *target);
 
 #endif /* NPF_FUNC_H */

src/roadveh_cmd.cpp

@@ -958,7 +958,7 @@ static Trackdir RoadFindPathToDest(RoadVehicle *v, TileIndex tile, DiagDirection
 	}
 
 	switch (_settings_game.pf.pathfinder_for_roadvehs) {
-		case VPF_NPF:  best_track = NPFRoadVehicleChooseTrack(v, tile, enterdir, trackdirs, path_found); break;
+		case VPF_NPF:  best_track = NPFRoadVehicleChooseTrack(v, tile, enterdir, path_found); break;
 		case VPF_YAPF: best_track = YapfRoadVehicleChooseTrack(v, tile, enterdir, trackdirs, path_found); break;
 
 		default: NOT_REACHED();

src/ship_cmd.cpp

@@ -491,7 +491,7 @@ static Track ChooseShipTrack(Ship *v, TileIndex tile, DiagDirection enterdir, Tr
 
 		switch (_settings_game.pf.pathfinder_for_ships) {
 			case VPF_OPF: track = OPFShipChooseTrack(v, tile, enterdir, tracks, path_found); break;
-			case VPF_NPF: track = NPFShipChooseTrack(v, tracks, path_found); break;
+			case VPF_NPF: track = NPFShipChooseTrack(v, path_found); break;
 			case VPF_YAPF: track = YapfShipChooseTrack(v, tile, enterdir, tracks, path_found, v->path); break;
 			default: NOT_REACHED();
 		}

src/train_cmd.cpp

@@ -2313,7 +2313,7 @@ static const byte _initial_tile_subcoord[6][4][3] = {
 static Track DoTrainPathfind(const Train *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool &path_found, bool do_track_reservation, PBSTileInfo *dest)
 {
 	switch (_settings_game.pf.pathfinder_for_trains) {
-		case VPF_NPF: return NPFTrainChooseTrack(v, tracks, path_found, do_track_reservation, dest);
+		case VPF_NPF: return NPFTrainChooseTrack(v, path_found, do_track_reservation, dest);
 		case VPF_YAPF: return YapfTrainChooseTrack(v, tile, enterdir, tracks, path_found, do_track_reservation, dest);
 
 		default: NOT_REACHED();