From fd645aa845388e379cf6cf78c20187a1edc42132 Mon Sep 17 00:00:00 2001 From: rubidium Date: Tue, 13 Feb 2007 20:57:02 +0000 Subject: (svn r8712) -Codechange/cleanup: replace 'magic' constants with enums, use proper types instead of byte, uint etc., give variables more descriptive names and add some comments. --- src/rail.h | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'src/rail.h') diff --git a/src/rail.h b/src/rail.h index 7c59711c9..ae651ebe5 100644 --- a/src/rail.h +++ b/src/rail.h @@ -106,7 +106,11 @@ static inline TrackBits AxisToTrackBits(Axis a) /** These are a combination of tracks and directions. Values are 0-5 in one - * direction (corresponding to the Track enum) and 8-13 in the other direction. */ + * direction (corresponding to the Track enum) and 8-13 in the other direction. + * 6, 7, 14 and 15 are used to encode the reversing of road vehicles. Those + * reversing track dirs are not considered to be 'valid' except in a small + * corner in the road vehicle controller. + */ typedef enum Trackdirs { TRACKDIR_BEGIN = 0, TRACKDIR_X_NE = 0, @@ -115,14 +119,16 @@ typedef enum Trackdirs { TRACKDIR_LOWER_E = 3, TRACKDIR_LEFT_S = 4, TRACKDIR_RIGHT_S = 5, - /* Note the two missing values here. This enables trackdir -> track - * conversion by doing (trackdir & 7) */ + TRACKDIR_RVREV_NE = 6, + TRACKDIR_RVREV_SE = 7, TRACKDIR_X_SW = 8, TRACKDIR_Y_NW = 9, TRACKDIR_UPPER_W = 10, TRACKDIR_LOWER_W = 11, TRACKDIR_LEFT_N = 12, TRACKDIR_RIGHT_N = 13, + TRACKDIR_RVREV_SW = 14, + TRACKDIR_RVREV_NW = 15, TRACKDIR_END, INVALID_TRACKDIR = 0xFF, } Trackdir; -- cgit v1.2.3-54-g00ecf