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Remove all traces of SSN's old port of ZDoom's secplanes for slopes, since our slopes do not need them

This commit is contained in:
Monster Iestyn 2017-01-02 19:12:09 +00:00
parent 8fb9a3b3d5
commit d5803160dd
4 changed files with 0 additions and 119 deletions
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35
src/m_fixed.h
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@ -46,41 +46,6 @@ typedef INT32 fixed_t;
#define FLOAT_TO_FIXED(f) (fixed_t)((f) * ((float)FRACUNIT))
/** \brief The TMulScale16 function
\param a a parameter of type fixed_t
\param b a parameter of type fixed_t
\param c a parameter of type fixed_t
\param d a parameter of type fixed_t
\param e a parameter of type fixed_t
\param f a parameter of type fixed_t
\return fixed_t
*/
FUNCMATH FUNCINLINE static ATTRINLINE fixed_t TMulScale16(fixed_t a, fixed_t b, fixed_t c, fixed_t d, fixed_t e, fixed_t f) \
{ \
return (fixed_t)((((INT64)a * (INT64)b) + ((INT64)c * (INT64)d) \
+ ((INT64)e * (INT64)f)) >> 16); \
}
/** \brief The DMulScale16 function
\param a a parameter of type fixed_t
\param b a parameter of type fixed_t
\param c a parameter of type fixed_t
\param d a parameter of type fixed_t
\return fixed_t
*/
FUNCMATH FUNCINLINE static ATTRINLINE fixed_t DMulScale16(fixed_t a, fixed_t b, fixed_t c, fixed_t d) \
{ \
return (fixed_t)((((INT64)a * (INT64)b) + ((INT64)c * (INT64)d)) >> 16); \
}
#if defined (__WATCOMC__) && FRACBITS == 16
#pragma aux FixedMul = \
"imul ebx", \

9
src/r_defs.h
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@ -224,15 +224,6 @@ typedef struct linechain_s
// ZDoom C++ to Legacy C conversion Tails 04-29-2002 (for slopes)
typedef struct secplane_t
{
// the plane is defined as a*x + b*y + c*z + d = 0
// ic is 1/c, for faster Z calculations
fixed_t a, b, c, d, ic;
} secplane_t;
// Slopes
#ifdef ESLOPE
typedef enum {

63
src/r_main.c
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@ -366,69 +366,6 @@ fixed_t R_PointToDist(fixed_t x, fixed_t y)
return R_PointToDist2(viewx, viewy, x, y);
}
/***************************************
*** Zdoom C++ to Legacy C conversion ***
****************************************/
// Utility to find the Z height at an XY location in a sector (for slopes)
fixed_t R_SecplaneZatPoint(secplane_t *secplane, fixed_t x, fixed_t y)
{
return FixedMul(secplane->ic, -secplane->d - DMulScale16(secplane->a, x, secplane->b, y));
}
// Returns the value of z at (x,y) if d is equal to dist
fixed_t R_SecplaneZatPointDist (secplane_t *secplane, fixed_t x, fixed_t y, fixed_t dist)
{
return FixedMul(secplane->ic, -dist - DMulScale16(secplane->a, x, secplane->b, y));
}
// Flips the plane's vertical orientiation, so that if it pointed up,
// it will point down, and vice versa.
void R_SecplaneFlipVert(secplane_t *secplane)
{
secplane->a = -secplane->a;
secplane->b = -secplane->b;
secplane->c = -secplane->c;
secplane->d = -secplane->d;
secplane->ic = -secplane->ic;
}
// Returns true if 2 planes are the same
boolean R_ArePlanesSame(secplane_t *original, secplane_t *other)
{
return original->a == other->a && original->b == other->b
&& original->c == other->c && original->d == other->d;
}
// Returns true if 2 planes are different
boolean R_ArePlanesDifferent(secplane_t *original, secplane_t *other)
{
return original->a != other->a || original->b != other->b
|| original->c != other->c || original->d != other->d;
}
// Moves a plane up/down by hdiff units
void R_SecplaneChangeHeight(secplane_t *secplane, fixed_t hdiff)
{
secplane->d = secplane->d - FixedMul(hdiff, secplane->c);
}
// Returns how much this plane's height would change if d were set to oldd
fixed_t R_SecplaneHeightDiff(secplane_t *secplane, fixed_t oldd)
{
return FixedMul(oldd - secplane->d, secplane->ic);
}
fixed_t R_SecplanePointToDist(secplane_t *secplane, fixed_t x, fixed_t y, fixed_t z)
{
return -TMulScale16(secplane->a, x, y, secplane->b, z, secplane->c);
}
fixed_t R_SecplanePointToDist2(secplane_t *secplane, fixed_t x, fixed_t y, fixed_t z)
{
return -TMulScale16(secplane->a, x, secplane->b, y, z, secplane->c);
}
//
// R_ScaleFromGlobalAngle
// Returns the texture mapping scale for the current line (horizontal span)

12
src/r_main.h
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@ -61,18 +61,6 @@ angle_t R_PointToAngle2(fixed_t px2, fixed_t py2, fixed_t px1, fixed_t py1);
fixed_t R_PointToDist(fixed_t x, fixed_t y);
fixed_t R_PointToDist2(fixed_t px2, fixed_t py2, fixed_t px1, fixed_t py1);
// ZDoom C++ to Legacy C conversion Tails 04-29-2002
fixed_t R_SecplaneZatPoint(secplane_t *secplane, fixed_t x, fixed_t y);
fixed_t R_SecplaneZatPointDist(secplane_t *secplane, fixed_t x, fixed_t y,
fixed_t dist);
void R_SecplaneFlipVert(secplane_t *secplane);
boolean R_ArePlanesSame(secplane_t *original, secplane_t *other);
boolean R_ArePlanesDifferent(secplane_t *original, secplane_t *other);
void R_SecplaneChangeHeight(secplane_t *secplane, fixed_t hdiff);
fixed_t R_SecplaneHeightDiff(secplane_t *secplane, fixed_t oldd);
fixed_t R_SecplanePointToDist(secplane_t *secplane, fixed_t x, fixed_t y, fixed_t z);
fixed_t R_SecplanePointToDist2(secplane_t *secplane, fixed_t x, fixed_t y, fixed_t z);
fixed_t R_ScaleFromGlobalAngle(angle_t visangle);
subsector_t *R_PointInSubsector(fixed_t x, fixed_t y);
subsector_t *R_IsPointInSubsector(fixed_t x, fixed_t y);