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Fix slope planes rendering at wrong heights when visportals are visible on-screen

This commit is contained in:
Monster Iestyn 2016-04-04 20:49:01 +01:00
parent 1db51f5a23
commit 3c5a8b806d
2 changed files with 22 additions and 8 deletions
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27
src/r_plane.c
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@ -475,7 +475,8 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
&& lightlevel == check->lightlevel
&& xoff == check->xoffs && yoff == check->yoffs
&& planecolormap == check->extra_colormap
&& !pfloor && !check->ffloor && check->viewz == viewz
&& !pfloor && !check->ffloor
&& check->viewx == viewx && check->viewy == viewy && check->viewz == viewz
&& check->viewangle == viewangle
#ifdef ESLOPE
&& check->slope == slope
@ -497,6 +498,8 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
check->yoffs = yoff;
check->extra_colormap = planecolormap;
check->ffloor = pfloor;
check->viewx = viewx;
check->viewy = viewy;
check->viewz = viewz;
check->viewangle = viewangle + plangle;
check->plangle = plangle;
@ -567,6 +570,8 @@ visplane_t *R_CheckPlane(visplane_t *pl, INT32 start, INT32 stop)
new_pl->yoffs = pl->yoffs;
new_pl->extra_colormap = pl->extra_colormap;
new_pl->ffloor = pl->ffloor;
new_pl->viewx = pl->viewx;
new_pl->viewy = pl->viewy;
new_pl->viewz = pl->viewz;
new_pl->viewangle = pl->viewangle;
new_pl->plangle = pl->plangle;
@ -954,11 +959,11 @@ void R_DrawSinglePlane(visplane_t *pl)
xoffs *= fudge;
yoffs /= fudge;
vx = FIXED_TO_FLOAT(viewx+xoffs);
vy = FIXED_TO_FLOAT(viewy-yoffs);
vz = FIXED_TO_FLOAT(viewz);
vx = FIXED_TO_FLOAT(pl->viewx+xoffs);
vy = FIXED_TO_FLOAT(pl->viewy-yoffs);
vz = FIXED_TO_FLOAT(pl->viewz);
temp = P_GetZAt(pl->slope, viewx, viewy);
temp = P_GetZAt(pl->slope, pl->viewx, pl->viewy);
zeroheight = FIXED_TO_FLOAT(temp);
#define ANG2RAD(angle) ((float)((angle)*M_PI)/ANGLE_180)
@ -982,9 +987,9 @@ void R_DrawSinglePlane(visplane_t *pl)
n.z = -cos(ang);
ang = ANG2RAD(pl->plangle);
temp = P_GetZAt(pl->slope, viewx + FLOAT_TO_FIXED(sin(ang)), viewy + FLOAT_TO_FIXED(cos(ang)));
temp = P_GetZAt(pl->slope, pl->viewx + FLOAT_TO_FIXED(sin(ang)), pl->viewy + FLOAT_TO_FIXED(cos(ang)));
m.y = FIXED_TO_FLOAT(temp) - zeroheight;
temp = P_GetZAt(pl->slope, viewx + FLOAT_TO_FIXED(cos(ang)), viewy - FLOAT_TO_FIXED(sin(ang)));
temp = P_GetZAt(pl->slope, pl->viewx + FLOAT_TO_FIXED(cos(ang)), pl->viewy - FLOAT_TO_FIXED(sin(ang)));
n.y = FIXED_TO_FLOAT(temp) - zeroheight;
m.x /= fudge;
@ -1040,6 +1045,14 @@ void R_DrawSinglePlane(visplane_t *pl)
stop = pl->maxx + 1;
if (viewx != pl->viewx || viewy != pl->viewy)
{
viewx = pl->viewx;
viewy = pl->viewy;
}
if (viewz != pl->viewz)
viewz = pl->viewz;
for (x = pl->minx; x <= stop; x++)
{
R_MakeSpans(x, pl->top[x-1], pl->bottom[x-1],

3
src/r_plane.h
View File

@ -27,7 +27,8 @@ typedef struct visplane_s
{
struct visplane_s *next;
fixed_t height, viewz;
fixed_t height;
fixed_t viewx, viewy, viewz;
angle_t viewangle;
angle_t plangle;
INT32 picnum;