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Diffstat (limited to 'src/road_map.h')
| -rw-r--r-- | src/road_map.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/road_map.h b/src/road_map.h index c4bb97712..c7423380a 100644 --- a/src/road_map.h +++ b/src/road_map.h @@ -66,6 +66,20 @@ static inline RoadBits GetRoadBits(TileIndex t, RoadType rt) } /** + * Get all RoadBits set on a tile except from the given RoadType + * + * @param t The tile from which we want to get the RoadBits + * @param rt The RoadType which we exclude from the querry + * @return all set RoadBits of the tile which are not from the given RoadType + */ +static inline RoadBits GetOtherRoadBits(TileIndex t, RoadType rt) +{ + return ((rt == ROADTYPE_ROAD) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_ROAD)) | + ((rt == ROADTYPE_TRAM) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_TRAM)) | + ((rt == ROADTYPE_HWAY) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_HWAY)); +} + +/** * Get all set RoadBits on the given tile * * @param tile The tile from which we want to get the RoadBits |