Mercurial > hg > openttd
diff src/rail.h @ 5999:943dea0ea975 draft
(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.
| author | rubidium <rubidium@openttd.org> |
|---|---|
| date | Tue, 13 Feb 2007 20:57:02 +0000 (2007-02-13) |
| parents | 2498be7c7e94 |
| children | a8303346cd9c |
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--- a/src/rail.h +++ b/src/rail.h @@ -106,7 +106,11 @@ /** 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 @@ 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;