Fix sloped plane offsets in Software, and fix rotated flat alignment in OpenGL.

+ unrelated slope plane optimizations in Software
This commit is contained in:
Jaime Ita Passos 2021-04-27 19:01:09 -03:00
parent 85c53b35cd
commit e4b8dc6584
4 changed files with 170 additions and 180 deletions

View file

@ -362,10 +362,10 @@ static void HWR_RenderPlane(subsector_t *subsector, extrasubsector_t *xsub, bool
float fflatwidth = 64.0f, fflatheight = 64.0f;
INT32 flatflag = 63;
boolean texflat = false;
float scrollx = 0.0f, scrolly = 0.0f;
float scrollx = 0.0f, scrolly = 0.0f, anglef = 0.0f;
angle_t angle = 0;
FSurfaceInfo Surf;
fixed_t tempxsow, tempytow;
float tempxsow, tempytow;
pslope_t *slope = NULL;
static FOutVector *planeVerts = NULL;
@ -499,24 +499,15 @@ static void HWR_RenderPlane(subsector_t *subsector, extrasubsector_t *xsub, bool
}
}
if (angle) // Only needs to be done if there's an altered angle
{
tempxsow = flatxref;
tempytow = flatyref;
angle = (InvAngle(angle))>>ANGLETOFINESHIFT;
anglef = ANG2RAD(InvAngle(angle));
// This needs to be done so that it scrolls in a different direction after rotation like software
/*tempxsow = FLOAT_TO_FIXED(scrollx);
tempytow = FLOAT_TO_FIXED(scrolly);
scrollx = (FIXED_TO_FLOAT(FixedMul(tempxsow, FINECOSINE(angle)) - FixedMul(tempytow, FINESINE(angle))));
scrolly = (FIXED_TO_FLOAT(FixedMul(tempxsow, FINESINE(angle)) + FixedMul(tempytow, FINECOSINE(angle))));*/
// This needs to be done so everything aligns after rotation
// It would be done so that rotation is done, THEN the translation, but I couldn't get it to rotate AND scroll like software does
tempxsow = FLOAT_TO_FIXED(flatxref);
tempytow = FLOAT_TO_FIXED(flatyref);
flatxref = (FIXED_TO_FLOAT(FixedMul(tempxsow, FINECOSINE(angle)) - FixedMul(tempytow, FINESINE(angle))));
flatyref = (FIXED_TO_FLOAT(FixedMul(tempxsow, FINESINE(angle)) + FixedMul(tempytow, FINECOSINE(angle))));
flatxref = (tempxsow * cos(anglef)) - (tempytow * sin(anglef));
flatyref = (tempxsow * sin(anglef)) + (tempytow * cos(anglef));
}
#define SETUP3DVERT(vert, vx, vy) {\
@ -535,10 +526,10 @@ static void HWR_RenderPlane(subsector_t *subsector, extrasubsector_t *xsub, bool
/* Need to rotate before translate */\
if (angle) /* Only needs to be done if there's an altered angle */\
{\
tempxsow = FLOAT_TO_FIXED(vert->s);\
tempytow = FLOAT_TO_FIXED(vert->t);\
vert->s = (FIXED_TO_FLOAT(FixedMul(tempxsow, FINECOSINE(angle)) - FixedMul(tempytow, FINESINE(angle))));\
vert->t = (FIXED_TO_FLOAT(FixedMul(tempxsow, FINESINE(angle)) + FixedMul(tempytow, FINECOSINE(angle))));\
tempxsow = vert->s;\
tempytow = vert->t;\
vert->s = (tempxsow * cos(anglef)) - (tempytow * sin(anglef));\
vert->t = (tempxsow * sin(anglef)) + (tempytow * cos(anglef));\
}\
\
vert->x = (vx);\

View file

@ -177,7 +177,7 @@ void R_Draw2sMultiPatchTranslucentColumn_8(void);
void R_DrawFogColumn_8(void);
void R_DrawColumnShadowed_8(void);
#define PLANELIGHTFLOAT (BASEVIDWIDTH * BASEVIDWIDTH / vid.width / (zeroheight - FIXED_TO_FLOAT(viewz)) / 21.0f * FIXED_TO_FLOAT(fovtan))
#define PLANELIGHTFLOAT (BASEVIDWIDTH * BASEVIDWIDTH / vid.width / zeroheight / 21.0f * FIXED_TO_FLOAT(fovtan))
void R_DrawSpan_8(void);
void R_DrawTranslucentSpan_8(void);

View file

@ -31,13 +31,6 @@
#include "z_zone.h"
#include "p_tick.h"
#ifdef TIMING
#include "p5prof.h"
INT64 mycount;
INT64 mytotal = 0;
UINT32 nombre = 100000;
#endif
//
// opening
//
@ -128,21 +121,20 @@ struct
boolean active;
} planeripple;
static void R_CalculatePlaneRipple(visplane_t *plane, INT32 y, fixed_t plheight, boolean calcfrac)
// ripples da water texture
static fixed_t R_CalculateRippleOffset(INT32 y)
{
fixed_t distance = FixedMul(plheight, yslope[y]);
fixed_t distance = FixedMul(planeheight, yslope[y]);
const INT32 yay = (planeripple.offset + (distance>>9)) & 8191;
return FixedDiv(FINESINE(yay), (1<<12) + (distance>>11));
}
// ripples da water texture
ds_bgofs = FixedDiv(FINESINE(yay), (1<<12) + (distance>>11))>>FRACBITS;
if (calcfrac)
{
angle_t angle = (plane->viewangle + plane->plangle)>>ANGLETOFINESHIFT;
angle = (angle + 2048) & 8191; // 90 degrees
planeripple.xfrac = FixedMul(FINECOSINE(angle), (ds_bgofs<<FRACBITS));
planeripple.yfrac = FixedMul(FINESINE(angle), (ds_bgofs<<FRACBITS));
}
static void R_CalculatePlaneRipple(angle_t angle)
{
angle >>= ANGLETOFINESHIFT;
angle = (angle + 2048) & 8191; // 90 degrees
planeripple.xfrac = FixedMul(FINECOSINE(angle), ds_bgofs);
planeripple.yfrac = FixedMul(FINESINE(angle), ds_bgofs);
}
static void R_UpdatePlaneRipple(void)
@ -160,7 +152,7 @@ static void R_UpdatePlaneRipple(void)
// baseyscale
// centerx
void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
static void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
{
angle_t angle, planecos, planesin;
fixed_t distance = 0, span;
@ -174,60 +166,50 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
if (x1 >= vid.width)
x1 = vid.width - 1;
if (!currentplane->slope)
angle = (currentplane->viewangle + currentplane->plangle)>>ANGLETOFINESHIFT;
planecos = FINECOSINE(angle);
planesin = FINESINE(angle);
if (planeheight != cachedheight[y])
{
angle = (currentplane->viewangle + currentplane->plangle)>>ANGLETOFINESHIFT;
planecos = FINECOSINE(angle);
planesin = FINESINE(angle);
cachedheight[y] = planeheight;
cacheddistance[y] = distance = FixedMul(planeheight, yslope[y]);
span = abs(centery - y);
if (planeheight != cachedheight[y])
if (span) // don't divide by zero
{
cachedheight[y] = planeheight;
cacheddistance[y] = distance = FixedMul(planeheight, yslope[y]);
span = abs(centery - y);
if (span) // don't divide by zero
{
ds_xstep = FixedMul(planesin, planeheight) / span;
ds_ystep = FixedMul(planecos, planeheight) / span;
}
else
{
ds_xstep = FixedMul(distance, basexscale);
ds_ystep = FixedMul(distance, baseyscale);
}
cachedxstep[y] = ds_xstep;
cachedystep[y] = ds_ystep;
ds_xstep = FixedMul(planesin, planeheight) / span;
ds_ystep = FixedMul(planecos, planeheight) / span;
}
else
{
distance = cacheddistance[y];
ds_xstep = cachedxstep[y];
ds_ystep = cachedystep[y];
ds_xstep = FixedMul(distance, basexscale);
ds_ystep = FixedMul(distance, baseyscale);
}
ds_xfrac = xoffs + FixedMul(planecos, distance) + (x1 - centerx) * ds_xstep;
ds_yfrac = yoffs - FixedMul(planesin, distance) + (x1 - centerx) * ds_ystep;
cachedxstep[y] = ds_xstep;
cachedystep[y] = ds_ystep;
}
else
{
distance = cacheddistance[y];
ds_xstep = cachedxstep[y];
ds_ystep = cachedystep[y];
}
ds_xfrac = xoffs + FixedMul(planecos, distance) + (x1 - centerx) * ds_xstep;
ds_yfrac = yoffs - FixedMul(planesin, distance) + (x1 - centerx) * ds_ystep;
// Water ripple effect
if (planeripple.active)
{
// Needed for ds_bgofs
R_CalculatePlaneRipple(currentplane, y, planeheight, (!currentplane->slope));
ds_bgofs = R_CalculateRippleOffset(y);
if (currentplane->slope)
{
ds_sup = &ds_su[y];
ds_svp = &ds_sv[y];
ds_szp = &ds_sz[y];
}
else
{
ds_xfrac += planeripple.xfrac;
ds_yfrac += planeripple.yfrac;
}
R_CalculatePlaneRipple(currentplane->viewangle + currentplane->plangle);
ds_xfrac += planeripple.xfrac;
ds_yfrac += planeripple.yfrac;
ds_bgofs >>= FRACBITS;
if ((y + ds_bgofs) >= viewheight)
ds_bgofs = viewheight-y-1;
@ -235,16 +217,11 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
ds_bgofs = -y;
}
if (currentplane->slope)
ds_colormap = colormaps;
else
{
pindex = distance >> LIGHTZSHIFT;
if (pindex >= MAXLIGHTZ)
pindex = MAXLIGHTZ - 1;
ds_colormap = planezlight[pindex];
}
pindex = distance >> LIGHTZSHIFT;
if (pindex >= MAXLIGHTZ)
pindex = MAXLIGHTZ - 1;
ds_colormap = planezlight[pindex];
if (currentplane->extra_colormap)
ds_colormap = currentplane->extra_colormap->colormap + (ds_colormap - colormaps);
@ -252,19 +229,46 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
ds_x1 = x1;
ds_x2 = x2;
// profile drawer
#ifdef TIMING
ProfZeroTimer();
spanfunc();
}
static void R_MapTiltedPlane(INT32 y, INT32 x1, INT32 x2)
{
#ifdef RANGECHECK
if (x2 < x1 || x1 < 0 || x2 >= viewwidth || y > viewheight)
I_Error("R_MapTiltedPlane: %d, %d at %d", x1, x2, y);
#endif
if (x1 >= vid.width)
x1 = vid.width - 1;
// Water ripple effect
if (planeripple.active)
{
ds_bgofs = R_CalculateRippleOffset(y);
ds_sup = &ds_su[y];
ds_svp = &ds_sv[y];
ds_szp = &ds_sz[y];
ds_bgofs >>= FRACBITS;
if ((y + ds_bgofs) >= viewheight)
ds_bgofs = viewheight-y-1;
if ((y + ds_bgofs) < 0)
ds_bgofs = -y;
}
if (currentplane->extra_colormap)
ds_colormap = currentplane->extra_colormap->colormap;
else
ds_colormap = colormaps;
ds_y = y;
ds_x1 = x1;
ds_x2 = x2;
spanfunc();
#ifdef TIMING
RDMSR(0x10, &mycount);
mytotal += mycount; // 64bit add
if (!(nombre--))
I_Error("spanfunc() CPU Spy reports: 0x%d %d\n", *((INT32 *)&mytotal+1), (INT32)mytotal);
#endif
}
void R_ClearFFloorClips (void)
@ -572,10 +576,7 @@ void R_ExpandPlane(visplane_t *pl, INT32 start, INT32 stop)
}
//
// R_MakeSpans
//
void R_MakeSpans(INT32 x, INT32 t1, INT32 b1, INT32 t2, INT32 b2)
static void R_MakeSpans(INT32 x, INT32 t1, INT32 b1, INT32 t2, INT32 b2)
{
// Alam: from r_splats's R_RasterizeFloorSplat
if (t1 >= vid.height) t1 = vid.height-1;
@ -601,6 +602,32 @@ void R_MakeSpans(INT32 x, INT32 t1, INT32 b1, INT32 t2, INT32 b2)
spanstart[b2--] = x;
}
static void R_MakeTiltedSpans(INT32 x, INT32 t1, INT32 b1, INT32 t2, INT32 b2)
{
// Alam: from r_splats's R_RasterizeFloorSplat
if (t1 >= vid.height) t1 = vid.height-1;
if (b1 >= vid.height) b1 = vid.height-1;
if (t2 >= vid.height) t2 = vid.height-1;
if (b2 >= vid.height) b2 = vid.height-1;
if (x-1 >= vid.width) x = vid.width;
while (t1 < t2 && t1 <= b1)
{
R_MapTiltedPlane(t1, spanstart[t1], x - 1);
t1++;
}
while (b1 > b2 && b1 >= t1)
{
R_MapTiltedPlane(b1, spanstart[b1], x - 1);
b1--;
}
while (t2 < t1 && t2 <= b2)
spanstart[t2++] = x;
while (b2 > b1 && b2 >= t2)
spanstart[b2--] = x;
}
void R_DrawPlanes(void)
{
visplane_t *pl;
@ -670,17 +697,14 @@ static void R_SetSlopePlaneOrigin(pslope_t *slope, fixed_t xpos, fixed_t ypos, f
float vx = FixedToFloat(xpos + xoff);
float vy = FixedToFloat(ypos - yoff);
float vz = FixedToFloat(zpos);
float ang = ANG2RAD(ANGLE_270 - angle);
zeroheight = FixedToFloat(P_GetSlopeZAt(slope, xpos, ypos));
// p is the texture origin in view space
// Don't add in the offsets at this stage, because doing so can result in
// errors if the flat is rotated.
p->x = vx * cos(ang) - vy * sin(ang);
p->z = vx * sin(ang) + vy * cos(ang);
p->y = FixedToFloat(P_GetSlopeZAt(slope, -xoff, yoff)) - vz;
p->y = FixedToFloat(P_GetSlopeZAt(slope, -xoff, yoff) - zpos);
}
// This function calculates all of the vectors necessary for drawing a sloped plane.
@ -689,10 +713,12 @@ void R_SetSlopePlane(pslope_t *slope, fixed_t xpos, fixed_t ypos, fixed_t zpos,
// Potentially override other stuff for now cus we're mean. :< But draw a slope plane!
// I copied ZDoom's code and adapted it to SRB2... -Red
floatv3_t *m = &ds_slope_v, *n = &ds_slope_u;
fixed_t temp;
fixed_t height, temp;
float ang;
R_SetSlopePlaneOrigin(slope, xpos, ypos, zpos, xoff, yoff, angle);
height = P_GetSlopeZAt(slope, xpos, ypos);
zeroheight = FixedToFloat(height - zpos);
// m is the v direction vector in view space
ang = ANG2RAD(ANGLE_180 - (angle + plangle));
@ -703,24 +729,26 @@ void R_SetSlopePlane(pslope_t *slope, fixed_t xpos, fixed_t ypos, fixed_t zpos,
n->x = sin(ang);
n->z = -cos(ang);
ang = ANG2RAD(plangle);
temp = P_GetSlopeZAt(slope, xpos + FloatToFixed(sin(ang)), ypos + FloatToFixed(cos(ang)));
m->y = FixedToFloat(temp) - zeroheight;
temp = P_GetSlopeZAt(slope, xpos + FloatToFixed(cos(ang)), ypos - FloatToFixed(sin(ang)));
n->y = FixedToFloat(temp) - zeroheight;
plangle >>= ANGLETOFINESHIFT;
temp = P_GetSlopeZAt(slope, xpos + FINESINE(plangle), ypos + FINECOSINE(plangle));
m->y = FixedToFloat(temp - height);
temp = P_GetSlopeZAt(slope, xpos + FINECOSINE(plangle), ypos - FINESINE(plangle));
n->y = FixedToFloat(temp - height);
}
// This function calculates all of the vectors necessary for drawing a sloped and scaled plane.
void R_SetScaledSlopePlane(pslope_t *slope, fixed_t xpos, fixed_t ypos, fixed_t zpos, fixed_t xs, fixed_t ys, fixed_t xoff, fixed_t yoff, angle_t angle, angle_t plangle)
{
floatv3_t *m = &ds_slope_v, *n = &ds_slope_u;
fixed_t temp;
fixed_t height, temp;
float xscale = FixedToFloat(xs);
float yscale = FixedToFloat(ys);
float ang;
R_SetSlopePlaneOrigin(slope, xpos, ypos, zpos, xoff, yoff, angle);
height = P_GetSlopeZAt(slope, xpos, ypos);
zeroheight = FixedToFloat(height - zpos);
// m is the v direction vector in view space
ang = ANG2RAD(ANGLE_180 - (angle + plangle));
@ -733,9 +761,9 @@ void R_SetScaledSlopePlane(pslope_t *slope, fixed_t xpos, fixed_t ypos, fixed_t
ang = ANG2RAD(plangle);
temp = P_GetSlopeZAt(slope, xpos + FloatToFixed(yscale * sin(ang)), ypos + FloatToFixed(yscale * cos(ang)));
m->y = FixedToFloat(temp) - zeroheight;
m->y = FixedToFloat(temp - height);
temp = P_GetSlopeZAt(slope, xpos + FloatToFixed(xscale * cos(ang)), ypos - FloatToFixed(xscale * sin(ang)));
n->y = FixedToFloat(temp) - zeroheight;
n->y = FixedToFloat(temp - height);
}
void R_CalculateSlopeVectors(void)
@ -803,29 +831,14 @@ static inline void R_AdjustSlopeCoordinates(visplane_t *pl)
const fixed_t cosinecomponent = FINECOSINE(pl->plangle>>ANGLETOFINESHIFT);
const fixed_t sinecomponent = FINESINE(pl->plangle>>ANGLETOFINESHIFT);
fixed_t ox = (FixedMul(pl->slope->o.x,cosinecomponent) & modmask) - (FixedMul(pl->slope->o.y,sinecomponent) & modmask);
fixed_t oy = (-FixedMul(pl->slope->o.x,sinecomponent) & modmask) - (FixedMul(pl->slope->o.y,cosinecomponent) & modmask);
fixed_t temp = xoffs;
xoffs = (FixedMul(temp,cosinecomponent) & modmask) + (FixedMul(yoffs,sinecomponent) & modmask);
yoffs = (-FixedMul(temp,sinecomponent) & modmask) + (FixedMul(yoffs,cosinecomponent) & modmask);
fixed_t temp = ox & modmask;
oy &= modmask;
ox = FixedMul(temp,cosinecomponent)+FixedMul(oy,-sinecomponent); // negative sine for opposite direction
oy = -FixedMul(temp,-sinecomponent)+FixedMul(oy,cosinecomponent);
if (xoffs || yoffs)
{
temp = xoffs;
xoffs = (FixedMul(temp,cosinecomponent) & modmask) + (FixedMul(yoffs,sinecomponent) & modmask);
yoffs = (-FixedMul(temp,sinecomponent) & modmask) + (FixedMul(yoffs,cosinecomponent) & modmask);
temp = xoffs & modmask;
yoffs &= modmask;
xoffs = FixedMul(temp,cosinecomponent)+FixedMul(yoffs,-sinecomponent); // ditto
yoffs = -FixedMul(temp,-sinecomponent)+FixedMul(yoffs,cosinecomponent);
}
xoffs -= (pl->slope->o.x - ox);
yoffs += (pl->slope->o.y + oy);
temp = xoffs & modmask;
yoffs &= modmask;
xoffs = FixedMul(temp,cosinecomponent)+FixedMul(yoffs,-sinecomponent); // negative sine for opposite direction
yoffs = -FixedMul(temp,-sinecomponent)+FixedMul(yoffs,cosinecomponent);
}
static inline void R_AdjustSlopeCoordinatesNPO2(visplane_t *pl)
@ -836,29 +849,14 @@ static inline void R_AdjustSlopeCoordinatesNPO2(visplane_t *pl)
const fixed_t cosinecomponent = FINECOSINE(pl->plangle>>ANGLETOFINESHIFT);
const fixed_t sinecomponent = FINESINE(pl->plangle>>ANGLETOFINESHIFT);
fixed_t ox = (FixedMul(pl->slope->o.x,cosinecomponent) % modmaskw) - (FixedMul(pl->slope->o.y,sinecomponent) % modmaskh);
fixed_t oy = (-FixedMul(pl->slope->o.x,sinecomponent) % modmaskw) - (FixedMul(pl->slope->o.y,cosinecomponent) % modmaskh);
fixed_t temp = xoffs;
xoffs = (FixedMul(temp,cosinecomponent) % modmaskw) + (FixedMul(yoffs,sinecomponent) % modmaskh);
yoffs = (-FixedMul(temp,sinecomponent) % modmaskw) + (FixedMul(yoffs,cosinecomponent) % modmaskh);
fixed_t temp = ox % modmaskw;
oy %= modmaskh;
ox = FixedMul(temp,cosinecomponent)+FixedMul(oy,-sinecomponent); // negative sine for opposite direction
oy = -FixedMul(temp,-sinecomponent)+FixedMul(oy,cosinecomponent);
if (xoffs || yoffs)
{
temp = xoffs;
xoffs = (FixedMul(temp,cosinecomponent) % modmaskw) + (FixedMul(yoffs,sinecomponent) % modmaskh);
yoffs = (-FixedMul(temp,sinecomponent) % modmaskw) + (FixedMul(yoffs,cosinecomponent) % modmaskh);
temp = xoffs % modmaskw;
yoffs %= modmaskh;
xoffs = FixedMul(temp,cosinecomponent)+FixedMul(yoffs,-sinecomponent); // ditto
yoffs = -FixedMul(temp,-sinecomponent)+FixedMul(yoffs,cosinecomponent);
}
xoffs -= (pl->slope->o.x - ox);
yoffs += (pl->slope->o.y + oy);
temp = xoffs % modmaskw;
yoffs %= modmaskh;
xoffs = FixedMul(temp,cosinecomponent)+FixedMul(yoffs,-sinecomponent); // ditto
yoffs = -FixedMul(temp,-sinecomponent)+FixedMul(yoffs,cosinecomponent);
}
void R_DrawSinglePlane(visplane_t *pl)
@ -1029,7 +1027,6 @@ void R_DrawSinglePlane(visplane_t *pl)
xoffs = pl->xoffs;
yoffs = pl->yoffs;
planeheight = abs(pl->height - pl->viewz);
if (light >= LIGHTLEVELS)
light = LIGHTLEVELS-1;
@ -1039,20 +1036,24 @@ void R_DrawSinglePlane(visplane_t *pl)
if (pl->slope)
{
if (ds_powersoftwo)
R_AdjustSlopeCoordinates(pl);
else
R_AdjustSlopeCoordinatesNPO2(pl);
if (xoffs || yoffs)
{
if (ds_powersoftwo)
R_AdjustSlopeCoordinates(pl);
else
R_AdjustSlopeCoordinatesNPO2(pl);
}
if (planeripple.active)
{
fixed_t plheight = abs(P_GetSlopeZAt(pl->slope, pl->viewx, pl->viewy) - pl->viewz);
planeheight = abs(P_GetSlopeZAt(pl->slope, pl->viewx, pl->viewy) - pl->viewz);
R_PlaneBounds(pl);
for (x = pl->high; x < pl->low; x++)
{
R_CalculatePlaneRipple(pl, x, plheight, true);
ds_bgofs = R_CalculateRippleOffset(x);
R_CalculatePlaneRipple(pl->viewangle + pl->plangle);
R_SetSlopePlaneVectors(pl, x, (xoffs + planeripple.xfrac), (yoffs + planeripple.yfrac));
}
}
@ -1078,7 +1079,10 @@ void R_DrawSinglePlane(visplane_t *pl)
planezlight = scalelight[light];
}
else
{
planeheight = abs(pl->height - pl->viewz);
planezlight = zlight[light];
}
// Use the correct span drawer depending on the powers-of-twoness
if (!ds_powersoftwo)
@ -1099,18 +1103,15 @@ void R_DrawSinglePlane(visplane_t *pl)
stop = pl->maxx + 1;
if (viewx != pl->viewx || viewy != pl->viewy)
if (pl->slope)
{
viewx = pl->viewx;
viewy = pl->viewy;
for (x = pl->minx; x <= stop; x++)
R_MakeTiltedSpans(x, pl->top[x-1], pl->bottom[x-1], pl->top[x], pl->bottom[x]);
}
if (viewz != pl->viewz)
viewz = pl->viewz;
for (x = pl->minx; x <= stop; x++)
else
{
R_MakeSpans(x, pl->top[x-1], pl->bottom[x-1],
pl->top[x], pl->bottom[x]);
for (x = pl->minx; x <= stop; x++)
R_MakeSpans(x, pl->top[x-1], pl->bottom[x-1], pl->top[x], pl->bottom[x]);
}
/*

View file

@ -2,7 +2,7 @@
//-----------------------------------------------------------------------------
// Copyright (C) 1993-1996 by id Software, Inc.
// Copyright (C) 1998-2000 by DooM Legacy Team.
// Copyright (C) 1999-2020 by Sonic Team Junior.
// Copyright (C) 1999-2021 by Sonic Team Junior.
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
@ -78,8 +78,6 @@ void R_InitPlanes(void);
void R_ClearPlanes(void);
void R_ClearFFloorClips (void);
void R_MapPlane(INT32 y, INT32 x1, INT32 x2);
void R_MakeSpans(INT32 x, INT32 t1, INT32 b1, INT32 t2, INT32 b2);
void R_DrawPlanes(void);
visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel, fixed_t xoff, fixed_t yoff, angle_t plangle,
extracolormap_t *planecolormap, ffloor_t *ffloor, polyobj_t *polyobj, pslope_t *slope);