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Add endian conversion macros

pull/2/head
mittorn 6 years ago
parent
commit
f3ae5159cb
  1. 31
      engine/common/common.h

31
engine/common/common.h

@ -120,6 +120,37 @@ XASH SPECIFIC - sort of hack that works only in Xash3D not in GoldSrc @@ -120,6 +120,37 @@ XASH SPECIFIC - sort of hack that works only in Xash3D not in GoldSrc
#define GAME_EXPORT
#endif
#ifdef XASH_BIG_ENDIAN
#define LittleLong(x) (((int)(((x)&255)<<24)) + ((int)((((x)>>8)&255)<<16)) + ((int)(((x)>>16)&255)<<8) + (((x) >> 24)&255))
#define LittleLongSW(x) (x = LittleLong(x) )
#define LittleShort(x) ((short)( (((short)(x) >> 8) & 255) + (((short)(x) & 255) << 8)))
#define LittleShortSW(x) (x = LittleShort(x) )
_inline float LittleFloat( float f )
{
union
{
float f;
unsigned char b[4];
} dat1, dat2;
dat1.f = f;
dat2.b[0] = dat1.b[3];
dat2.b[1] = dat1.b[2];
dat2.b[2] = dat1.b[1];
dat2.b[3] = dat1.b[0];
return dat2.f;
}
#else
#define LittleLong(x) (x)
#define LittleLongSW(x)
#define LittleShort(x) (x)
#define LittleShortSW(x)
#define LittleFloat(x) (x)
#endif
typedef unsigned int dword;
typedef unsigned int uint;
typedef char string[MAX_STRING];

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