643 /* Check if a rail station tile is traversable.

   644  * XXX This could be cached (during build) in the map array to save on all the dereferencing */

   645 bool IsStationTileBlocked(TileIndex tile)

   646 {

   647 	const Station *st;

   648 	const StationSpec *statspec;

   649 	uint specindex;

   650 

   651 	if (!IsCustomStationSpecIndex(tile)) return false;

   652 

   653 	st = GetStationByTile(tile);

   654 	specindex = GetCustomStationSpecIndex(tile);

   655 	if (specindex >= st->num_specs) return false;

   656 

   657 	statspec = st->speclist[specindex].spec;

   658 	if (statspec == NULL) return false;

   659 

   660 	return HASBIT(statspec->blocked, GetStationGfx(tile));

   661 }