From 5a620d1c6592057b500f0889eef8949dc1e95e4b Mon Sep 17 00:00:00 2001 From: rubidium Date: Sun, 1 May 2011 19:51:52 +0000 Subject: (svn r22406) -Document: some more "random-ish" tidbits --- src/slope_type.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/slope_type.h') diff --git a/src/slope_type.h b/src/slope_type.h index 5eb7a7a20..bdf4b78ef 100644 --- a/src/slope_type.h +++ b/src/slope_type.h @@ -79,6 +79,10 @@ enum Slope { }; DECLARE_ENUM_AS_BIT_SET(Slope) +/** + * Helper for creating a bitset of slopes. + * @param x The slope to convert into a bitset. + */ #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); -- cgit v1.2.3-70-g09d2