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- Move build sine functions from binaryangle.h to gamefuncs.h.

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Mitchell Richters 2022-08-28 12:42:57 +10:00 committed by Christoph Oelckers
parent 478e7a6801
commit 7c7351db8d
2 changed files with 66 additions and 63 deletions
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63
source/core/binaryangle.h
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@ -47,69 +47,6 @@
class FSerializer;
enum
{
BAMBITS = 21,
BAMUNIT = 1 << BAMBITS,
SINTABLEBITS = 30,
SINTABLEUNIT = 1 << SINTABLEBITS,
BUILDSINBITS = 14,
BUILDSINSHIFT = SINTABLEBITS - BUILDSINBITS,
};
//---------------------------------------------------------------------------
//
// Constants used for Build sine/cosine functions.
//
//---------------------------------------------------------------------------
constexpr double BAngRadian = pi::pi() * (1. / 1024.);
constexpr double BAngToDegree = 360. / 2048.;
extern int sintable[2048];
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)
{
return (shift -= BUILDSINSHIFT) < 0 ? sintable[ang & 2047] >> abs(shift) : sintable[ang & 2047] << shift;
}
inline double bsinf(const double ang, const int shift = 0)
{
return g_sinbam(ang * BAMUNIT) * sinscale(shift);
}
//---------------------------------------------------------------------------
//
// 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)
{
return (shift -= BUILDSINSHIFT) < 0 ? sintable[(ang + 512) & 2047] >> abs(shift) : sintable[(ang + 512) & 2047] << shift;
}
inline double bcosf(const double ang, const int shift = 0)
{
return g_cosbam(ang * BAMUNIT) * sinscale(shift);
}
//---------------------------------------------------------------------------
//
// Functions for use with fixedhoriz and friendly functions.

66
source/core/gamefuncs.h
View file

@ -152,6 +152,72 @@ void vertexscan(walltype* startwall, func mark)
}
//---------------------------------------------------------------------------
//
// Constants used for Build sine/cosine functions.
//
//---------------------------------------------------------------------------
enum
{
BAMBITS = 21,
BAMUNIT = 1 << BAMBITS,
SINTABLEBITS = 30,
SINTABLEUNIT = 1 << SINTABLEBITS,
BUILDSINBITS = 14,
BUILDSINSHIFT = SINTABLEBITS - BUILDSINBITS,
};
constexpr double BAngRadian = pi::pi() * (1. / 1024.);
constexpr double BAngToDegree = 360. / 2048.;
extern int sintable[2048];
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)
{
return (shift -= BUILDSINSHIFT) < 0 ? sintable[ang & 2047] >> abs(shift) : sintable[ang & 2047] << shift;
}
inline double bsinf(const double ang, const int shift = 0)
{
return g_sinbam(ang * BAMUNIT) * sinscale(shift);
}
//---------------------------------------------------------------------------
//
// 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)
{
return (shift -= BUILDSINSHIFT) < 0 ? sintable[(ang + 512) & 2047] >> abs(shift) : sintable[(ang + 512) & 2047] << shift;
}
inline double bcosf(const double ang, const int shift = 0)
{
return g_cosbam(ang * BAMUNIT) * sinscale(shift);
}
extern int cameradist, cameraclock;
void loaddefinitionsfile(const char* fn, bool cumulative = false, bool maingrp = false);