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author | tron <tron@openttd.org> | 2006-04-12 05:26:36 +0000 |
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committer | tron <tron@openttd.org> | 2006-04-12 05:26:36 +0000 |
commit | 4615a265524960e5f6f90cbc31b13e9afcf9c64e (patch) | |
tree | b2422353437f4d1f208caf309e6959160a835a59 /road.h | |
parent | 82afa4caf2273662556c57494d2252feaced8b6f (diff) | |
download | openttd-4615a265524960e5f6f90cbc31b13e9afcf9c64e.tar.xz |
(svn r4374) Never directly commit something you prepared the evening before, mysteriously it will break in the morning, fix r4373
Diffstat (limited to 'road.h')
-rw-r--r-- | road.h | 26 |
1 files changed, 26 insertions, 0 deletions
@@ -0,0 +1,26 @@ +/* $Id$ */ + +#ifndef ROAD_H +#define ROAD_H + +typedef enum RoadBits { + ROAD_NW = 1, + ROAD_SW = 2, + ROAD_SE = 4, + ROAD_NE = 8, + ROAD_X = ROAD_SW | ROAD_NE, + ROAD_Y = ROAD_NW | ROAD_SE, + ROAD_ALL = ROAD_X | ROAD_Y +} RoadBits; + +static inline RoadBits ComplementRoadBits(RoadBits r) +{ + return ROAD_ALL ^ r; +} + +static inline RoadBits DiagDirToRoadBits(DiagDirection d) +{ + return 1 << (3 ^ d); +} + +#endif |