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Fix HOMs by actually bothering to check if either side of a seg has slopes for height-checking code

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This commit is contained in:
Monster Iestyn 2016-03-18 23:58:58 +00:00
parent e941687d4c
commit 6623a9148e
1 changed files with 55 additions and 17 deletions
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44
src/r_bsp.c
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@ -460,10 +460,47 @@ static void R_AddLine(seg_t *line)
// Closed door.
#ifdef ESLOPE
// Just don't bother checking this if one side is sloped. This is probably inefficient, but it's better than
// random renderer stopping around slopes...
if (!(frontsector->f_slope || frontsector->c_slope || backsector->f_slope || backsector->c_slope))
if (frontsector->f_slope || frontsector->c_slope || backsector->f_slope || backsector->c_slope)
{
fixed_t frontf1,frontf2, frontc1, frontc2; // front floor/ceiling ends
fixed_t backf1, backf2, backc1, backc2; // back floor ceiling ends
#define SLOPEPARAMS(slope, end1, end2, normalheight) \
if (slope) { \
end1 = P_GetZAt(slope, line->v1->x, line->v1->y); \
end2 = P_GetZAt(slope, line->v2->x, line->v2->y); \
} else \
end1 = end2 = normalheight;
SLOPEPARAMS(frontsector->f_slope, frontf1, frontf2, frontsector->floorheight)
SLOPEPARAMS(frontsector->c_slope, frontc1, frontc2, frontsector->ceilingheight)
SLOPEPARAMS( backsector->f_slope, backf1, backf2, backsector->floorheight)
SLOPEPARAMS( backsector->c_slope, backc1, backc2, backsector->ceilingheight)
#undef SLOPEPARAMS
if ((backc1 <= frontf1 && backc2 <= frontf2)
|| (backf1 >= frontc1 && backf2 >= frontc2))
{
goto clipsolid;
}
// Check for automap fix. Store in doorclosed for r_segs.c
doorclosed = (backc1 <= backf1 && backc2 <= backf2
&& ((backc1 >= frontc1 && backc2 >= frontc2) || curline->sidedef->toptexture)
&& ((backf1 <= frontf1 && backf2 >= frontf2) || curline->sidedef->bottomtexture)
&& (backsector->ceilingpic != skyflatnum || frontsector->ceilingpic != skyflatnum));
if (doorclosed)
goto clipsolid;
// Window.
if (backc1 != frontc1 || backc2 != frontc2
|| backf1 != frontf1 || backf2 != frontf2)
{
goto clippass;
}
}
else
#endif
{
if (backsector->ceilingheight <= frontsector->floorheight
|| backsector->floorheight >= frontsector->ceilingheight)
{
@ -481,6 +518,7 @@ static void R_AddLine(seg_t *line)
{
goto clippass;
}
}
// Reject empty lines used for triggers and special events.
// Identical floor and ceiling on both sides, identical light levels on both sides,