diff options
Diffstat (limited to 'newgrf_station.c')
-rw-r--r-- | newgrf_station.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/newgrf_station.c b/newgrf_station.c index 18a138602..ef4d59ae4 100644 --- a/newgrf_station.c +++ b/newgrf_station.c @@ -640,3 +640,22 @@ bool DrawStationTile(int x, int y, RailType railtype, Axis axis, StationClassID return true; } +/* Check if a rail station tile is traversable. + * XXX This could be cached (during build) in the map array to save on all the dereferencing */ +bool IsStationTileBlocked(TileIndex tile) +{ + const Station *st; + const StationSpec *statspec; + uint specindex; + + if (!IsCustomStationSpecIndex(tile)) return false; + + st = GetStationByTile(tile); + specindex = GetCustomStationSpecIndex(tile); + if (specindex >= st->num_specs) return false; + + statspec = st->speclist[specindex].spec; + if (statspec == NULL) return false; + + return HASBIT(statspec->blocked, GetStationGfx(tile)); +} |