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Fix sky rendering when visportals are on-screen.

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They now render the same way they would if you were actually at the other side of each portal. Why didn't they do this before?
This commit is contained in:
Monster Iestyn 2016-04-04 21:46:51 +01:00
parent 3c5a8b806d
commit 44fe6e0533
1 changed files with 7 additions and 8 deletions
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15
src/r_plane.c
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@ -299,7 +299,7 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
} }
length = FixedMul (distance,distscale[x1]); length = FixedMul (distance,distscale[x1]);
angle = (currentplane->viewangle + xtoviewangle[x1])>>ANGLETOFINESHIFT; angle = (viewangle + xtoviewangle[x1])>>ANGLETOFINESHIFT;
/// \note Wouldn't it be faster just to add viewx and viewy /// \note Wouldn't it be faster just to add viewx and viewy
// to the plane's x/yoffs anyway?? // to the plane's x/yoffs anyway??
@ -501,7 +501,7 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
check->viewx = viewx; check->viewx = viewx;
check->viewy = viewy; check->viewy = viewy;
check->viewz = viewz; check->viewz = viewz;
check->viewangle = viewangle + plangle; check->viewangle = viewangle;
check->plangle = plangle; check->plangle = plangle;
#ifdef POLYOBJECTS_PLANES #ifdef POLYOBJECTS_PLANES
check->polyobj = NULL; check->polyobj = NULL;
@ -670,7 +670,6 @@ void R_MakeSpans(INT32 x, INT32 t1, INT32 b1, INT32 t2, INT32 b2)
void R_DrawPlanes(void) void R_DrawPlanes(void)
{ {
visplane_t *pl; visplane_t *pl;
angle_t skyviewangle = viewangle; // the flat angle itself can mess with viewangle, so do your own angle instead!
INT32 x; INT32 x;
INT32 angle; INT32 angle;
INT32 i; INT32 i;
@ -709,7 +708,7 @@ void R_DrawPlanes(void)
if (dc_yl <= dc_yh) if (dc_yl <= dc_yh)
{ {
angle = (skyviewangle + xtoviewangle[x])>>ANGLETOSKYSHIFT; angle = (pl->viewangle + xtoviewangle[x])>>ANGLETOSKYSHIFT;
dc_x = x; dc_x = x;
dc_source = dc_source =
R_GetColumn(skytexture, R_GetColumn(skytexture,
@ -862,13 +861,13 @@ void R_DrawSinglePlane(visplane_t *pl)
#ifdef ESLOPE #ifdef ESLOPE
if (!pl->slope) // Don't mess with angle on slopes! We'll handle this ourselves later if (!pl->slope) // Don't mess with angle on slopes! We'll handle this ourselves later
#endif #endif
if (viewangle != pl->viewangle) if (viewangle != pl->viewangle+pl->plangle)
{ {
memset(cachedheight, 0, sizeof (cachedheight)); memset(cachedheight, 0, sizeof (cachedheight));
angle = (pl->viewangle-ANGLE_90)>>ANGLETOFINESHIFT; angle = (pl->viewangle+pl->plangle-ANGLE_90)>>ANGLETOFINESHIFT;
basexscale = FixedDiv(FINECOSINE(angle),centerxfrac); basexscale = FixedDiv(FINECOSINE(angle),centerxfrac);
baseyscale = -FixedDiv(FINESINE(angle),centerxfrac); baseyscale = -FixedDiv(FINESINE(angle),centerxfrac);
viewangle = pl->viewangle; viewangle = pl->viewangle+pl->plangle;
} }
currentplane = pl; currentplane = pl;
@ -978,7 +977,7 @@ void R_DrawSinglePlane(visplane_t *pl)
p.y = FIXED_TO_FLOAT(temp) - vz; p.y = FIXED_TO_FLOAT(temp) - vz;
// m is the v direction vector in view space // m is the v direction vector in view space
ang = ANG2RAD(ANGLE_180 - viewangle - pl->plangle); ang = ANG2RAD(ANGLE_180 - pl->viewangle);
m.x = cos(ang); m.x = cos(ang);
m.z = sin(ang); m.z = sin(ang);