diff options
Diffstat (limited to 'src/slope_type.h')
-rw-r--r-- | src/slope_type.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/slope_type.h b/src/slope_type.h index 0098eedf6..5eb7a7a20 100644 --- a/src/slope_type.h +++ b/src/slope_type.h @@ -79,6 +79,11 @@ enum Slope { }; DECLARE_ENUM_AS_BIT_SET(Slope) +#define M(x) (1 << (x)) +/** Constant bitset with safe slopes for building a level crossing. */ +static const uint32 VALID_LEVEL_CROSSING_SLOPES = M(SLOPE_SEN) | M(SLOPE_ENW) | M(SLOPE_NWS) | M(SLOPE_NS) | M(SLOPE_WSE) | M(SLOPE_EW) | M(SLOPE_FLAT); +#undef M + /** * Enumeration for Foundations. |