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yapf/track_dir.hpp
author celestar
Fri, 02 Jun 2006 13:05:41 +0000
changeset 3933 231ae3c419f4
parent 3900 2c84ed52709d
child 5081 fe3a6da19d9f
permissions -rw-r--r--
(svn r5070) Merged the bridge branch
-Feature: Bridges can now be placed above:
Any railway track combination (excluding depots and waypoints)
Any road combination (excluding depots)
Clear tiles (duh), including fields
Tunnel entrances
Bridge heads

Thanks to Tron for idea and implementation, KUDr for the yapf synchronization and many others for hours of testing

There are still a number of visual problems remaining, especially when electric railways are on or under the bridge.
DO NOT REPORT THOSE BUGS FOR THE TIME BEING please. 
/* $Id$ */

#ifndef  TRACK_DIR_HPP
#define  TRACK_DIR_HPP

EXTERN_C_BEGIN
#include "../tile.h"
#include "../openttd.h"
#include "../map.h"
#include "../rail.h"
EXTERN_C_END

/** Helpers to allow to work with enum as with type safe bit set in C++ */
#define DECLARE_ENUM_AS_BIT_MASK(mask_t) \
	FORCEINLINE mask_t operator | (mask_t m1, mask_t m2) {return (mask_t)((int)m1 | m2);} \
	FORCEINLINE mask_t operator & (mask_t m1, mask_t m2) {return (mask_t)((int)m1 & m2);} \
	FORCEINLINE mask_t operator ^ (mask_t m1, mask_t m2) {return (mask_t)((int)m1 ^ m2);} \
	FORCEINLINE mask_t& operator |= (mask_t& m1, mask_t m2) {m1 = m1 | m2; return m1;} \
	FORCEINLINE mask_t& operator &= (mask_t& m1, mask_t m2) {m1 = m1 & m2; return m1;} \
	FORCEINLINE mask_t& operator ^= (mask_t& m1, mask_t m2) {m1 = m1 ^ m2; return m1;} \
	FORCEINLINE mask_t operator ~(mask_t m) {return (mask_t)(~(int)m);}

/** probably redundant enum combining operators (as we have conversion functions) */
#define DECLARE_ENUM_AS_BIT_INDEX(idx_t, mask_t) \
	FORCEINLINE mask_t operator << (int m, idx_t i) {return (mask_t)(m << (int)i);} \
	FORCEINLINE mask_t operator << (mask_t m, int i) {return (mask_t)(((int)m) << i);} \
	FORCEINLINE mask_t operator >> (mask_t m, int i) {return (mask_t)(((int)m) >> i);}

DECLARE_ENUM_AS_BIT_MASK(TrackBits);
DECLARE_ENUM_AS_BIT_INDEX(Track, TrackBits);

DECLARE_ENUM_AS_BIT_MASK(TrackdirBits);
DECLARE_ENUM_AS_BIT_INDEX(Trackdir, TrackdirBits);

#endif /* TRACK_DIR_HPP */
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