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(svn r3767) Move all direction related enums and functions to a separate header

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This commit is contained in:
tron
2006-03-05 12:34:55 +00:00
parent f007ad282c
commit 586388c9f1
7 changed files with 58 additions and 61 deletions
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16
rail.h
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@@ -5,6 +5,7 @@
#ifndef RAIL_H
#define RAIL_H
#include "direction.h"
#include "tile.h"
/*
@@ -464,21 +465,6 @@ static inline TrackdirBits TrackdirCrossesTrackdirs(Trackdir trackdir) {
return _track_crosses_trackdirs[TrackdirToTrack(trackdir)];
}
/**
* Maps a (4-way) direction to the reverse.
*/
static inline DiagDirection ReverseDiagdir(DiagDirection diagdir) {
extern const DiagDirection _reverse_diagdir[DIAGDIR_END];
return _reverse_diagdir[diagdir];
}
/**
* Maps a (8-way) direction to a (4-way) DiagDirection
*/
static inline DiagDirection DirToDiagdir(Direction dir) {
assert(dir < DIR_END);
return (DiagDirection)(dir >> 1);
}
/* Checks if a given Track is diagonal */
static inline bool IsDiagonalTrack(Track track) { return (track == TRACK_X) || (track == TRACK_Y); }