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- clean out the unused sintable stuff

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This commit is contained in:
Christoph Oelckers 2022-10-04 18:49:04 +02:00
parent 88dcc37e94
commit e83d0930bf
1 changed files with 4 additions and 20 deletions
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24
source/core/gamefuncs.h
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@ -207,48 +207,32 @@ enum
{
BAMBITS = 21,
BAMUNIT = 1 << BAMBITS,
SINTABLEBITS = 30,
SINTABLEUNIT = 1 << SINTABLEBITS,
BUILDSINBITS = 14,
};
constexpr double BAngRadian = pi::pi() * (1. / 1024.);
constexpr double BAngToDegree = 360. / 2048.;
constexpr DAngle DAngleBuildToDeg = DAngle::fromDeg(BAngToDegree);
inline constexpr double sinscale(const int shift)
{
return shift >= -BUILDSINBITS ? uint64_t(1) << (BUILDSINBITS + shift) : 1. / (uint64_t(1) << abs(BUILDSINBITS + shift));
}
//---------------------------------------------------------------------------
//
// Build sine inline functions.
//
//---------------------------------------------------------------------------
inline int bsin(const int ang, int shift = 0)
inline int bsin(const int ang)
{
return int(g_sinbam(ang * BAMUNIT) * sinscale(shift));
return int(g_sinbam(ang * BAMUNIT) * 16384);
}
//---------------------------------------------------------------------------
//
// Build cosine inline functions.
//
// About shifts:
// -6 -> * 16
// -7 -> * 8
// -8 -> * 4
// -9 -> * 2
// -10 -> * 1
//
//---------------------------------------------------------------------------
inline int bcos(const int ang, int shift = 0)
inline int bcos(const int ang)
{
return int(g_cosbam(ang * BAMUNIT) * sinscale(shift));
return int(g_cosbam(ang * BAMUNIT) * 16384);
}
//---------------------------------------------------------------------------