road.h
author rubidium
Tue, 22 Aug 2006 14:38:37 +0000
changeset 4344 5d0e40cd67b9
parent 3900 4984308f9125
child 4666 850b5b6e4bac
permissions -rw-r--r--
(svn r6045) -Cleanup: align all table-like structures using spaces, i.e. whitespace fixes only except for a few comments to make them uniform for the whole enum/struct.
/* $Id$ */

#ifndef ROAD_H
#define ROAD_H

typedef enum RoadBits {
	ROAD_NW  = 1U,
	ROAD_SW  = 2U,
	ROAD_SE  = 4U,
	ROAD_NE  = 8U,
	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 (RoadBits)(ROAD_ALL ^ r);
}

static inline RoadBits DiagDirToRoadBits(DiagDirection d)
{
	return (RoadBits)(1U << (3 ^ d));
}

#endif