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Add track func: TrackdirToDirection

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This commit is contained in:
Jonathan G Rennison
2018-07-08 23:01:29 +01:00
parent 8f574881e8
commit dfd3e3dcaa
1 changed files with 25 additions and 0 deletions
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25
src/track_func.h
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@@ -735,4 +735,29 @@ static inline DiagDirection VehicleExitDir(Direction direction, TrackBits track)
return diagdir;
}
/**
* Get the direction which corresponds to a track direction
*
* @param td track direction
* @return direction
*/
static inline Direction TrackdirToDirection(Trackdir td)
{
switch (td) {
case TRACKDIR_X_NE: return DIR_NE;
case TRACKDIR_Y_SE: return DIR_SE;
case TRACKDIR_UPPER_E: return DIR_E;
case TRACKDIR_LOWER_E: return DIR_E;
case TRACKDIR_LEFT_S: return DIR_S;
case TRACKDIR_RIGHT_S: return DIR_S;
case TRACKDIR_X_SW: return DIR_SW;
case TRACKDIR_Y_NW: return DIR_NW;
case TRACKDIR_UPPER_W: return DIR_W;
case TRACKDIR_LOWER_W: return DIR_W;
case TRACKDIR_LEFT_N: return DIR_N;
case TRACKDIR_RIGHT_N: return DIR_N;
default: NOT_REACHED();
}
}
#endif /* TRACK_FUNC_H */