road.h
author peter1138
Thu, 16 Nov 2006 22:05:33 +0000
changeset 5108 aeaef6fe53b7
parent 4666 172a0cdf28a6
permissions -rw-r--r--
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
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/* $Id$ */
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#ifndef ROAD_H
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#define ROAD_H
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typedef enum RoadBits {
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	ROAD_NW  = 1U,
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	ROAD_SW  = 2U,
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	ROAD_SE  = 4U,
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	ROAD_NE  = 8U,
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	ROAD_X   = ROAD_SW | ROAD_NE,
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	ROAD_Y   = ROAD_NW | ROAD_SE,
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	ROAD_ALL = ROAD_X  | ROAD_Y
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} RoadBits;
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static inline RoadBits ComplementRoadBits(RoadBits r)
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{
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	return (RoadBits)(ROAD_ALL ^ r);
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}
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static inline RoadBits DiagDirToRoadBits(DiagDirection d)
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{
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	return (RoadBits)(1U << (3 ^ d));
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}
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#endif /* ROAD_H */