#ifndef __SYS__DIRS
#define __SYS__DIRS
#define STD_ORDERS ({ \
"north", ({ -1, 0, 0 }), "south", ({ 1, 0, 0 }), \
"east", ({ 0, -1, 0 }), "west", ({ 0, 1, 0 }), \
"northeast", ({ -1, -1, 0 }), "southwest", ({ 1, 1, 0 }), \
"southeast", ({ 1, -1, 0 }), "northwest", ({ -1, 1, 0 }), \
"up", ({ 0, 0, -1 }), "down", ({ 0, 0, 1 }) })
#define REL_DIRS ({ \
"forward", "up ahead", "in front of you", \
"forward-right", "ahead and to the right", "in front and to your right", \
"right", "the right", "to your right", \
"backward-right", "behind you and to the right", "behind you and to your right", \
"backward", "behind you", "behind you", \
"backward-left", "behind you and to the left", "behind you and to your left", \
"left", "the left", "to your left", \
"forward-left", "ahead and to the left", "in front and to your left" })
#define ABS_FACING ([ \
"north":8, "northeast":1, \
"east":2, "southeast":3, \
"south":4, "southwest":5, \
"west":6, "northwest":7 ])
#define SHORTEN ([ \
"north":"n", "south":"s", \
"east":"e", "west":"w", \
"northeast":"ne", "southwest":"sw", \
"southeast":"se", "northwest":"nw", \
"up":"u", "down":"d", \
"hubward":"hw", "rimward":"rw", \
"widdershins":"ws", "turnwise":"tw", \
"forward":"fw", "forward-right":"fr", \
"right":"rt", "backward-right":"br", \
"backward":"bw", "backward-left":"bl", \
"left":"lt", "forward-left":"fl" ])
#define LENGTHEN ([ \
"n":"north", "s":"south", \
"e":"east", "w":"west", \
"ne":"northeast", "sw":"southwest", \
"se":"southeast", "nw":"northwest", \
"u":"up", "d":"down", \
"hw":"hubward", "rw":"rimward", \
"ws":"widdershins", "tw":"turnwise", \
"fw":"forward", "fr":"forward-right", \
"rt":"right", "br":"backward-right", \
"bw":"backward", "bl":"backward-left", \
"lt":"left", "fl":"forward-left" ])
#define EXPAND_EXIT(x) LENGTHEN[x]?LENGTHEN[x]:x
#define RANDOM_DIR choice(keys(ABS_FACING))
#endif /* __SYS__DIRS */
