yapf/track_dir.hpp
author Darkvater
Tue, 17 Oct 2006 22:16:46 +0000
changeset 4878 4d4f76a898fd
parent 3900 2c84ed52709d
child 5081 fe3a6da19d9f
permissions -rw-r--r--
(svn r6814) -Codechange: For network games ci->client_playas was always p->index + 1. To
correctly handle this ci->client_playas - 1 was used all over the code making
it pretty confusing at times. Use proper one-on-one values now. Special handling
is only needed for user-output to not to confuse users.
/* $Id$ */

#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 */