FindDepotData OPFShipFindNearestDepot(const Ship *v, int max_distance) // todo
{
	Trackdir trackdir = v->GetVehicleTrackdir();
	DiagDirection enterdir = TrackdirToExitdir(trackdir);	
	TrackBits tracks = TrackdirBitsToTrackBits(DiagdirReachesTrackdirs(enterdir));

	FindDepotData fdd;
	Depot *depot;
	uint best_dist = max_distance == 0 ? UINT_MAX : max_distance;
	FOR_ALL_DEPOTS(depot) {
		TileIndex depottile = depot->xy;
		if (IsShipDepotTile(depottile) && IsTileOwner(depottile, v->owner)) {
			uint dist = DistanceManhattan(v->tile, depottile);
			if (dist <= best_dist) {
				bool path_found;
				Track track = OPFShipChooseTrack(v, v->tile, enterdir, tracks, path_found, depottile);
				if (track != INVALID_TRACK) {
					fdd.best_length = dist;
					fdd.tile = depottile;
					break;
				}
			}
		}
	}

	return fdd;
}