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Fix software splats breaking and crashing in skyboxes

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This commit is contained in:
Hannu Hanhi 2022-01-14 19:53:03 +02:00
parent 93512ae9f9
commit f72f45d93a
1 changed files with 13 additions and 1 deletions
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14
src/r_things.c
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@ -3001,13 +3001,25 @@ void R_ClipVisSprite(vissprite_t *spr, INT32 x1, INT32 x2, drawseg_t* dsstart, p
if (portal)
{
for (x = x1; x <= x2; x++)
INT32 start_index = max(portal->start, x1);
INT32 end_index = min(portal->start + portal->end - portal->start, x2);
for (x = x1; x < start_index; x++)
{
spr->clipbot[x] = -1;
spr->cliptop[x] = -1;
}
for (x = start_index; x <= end_index; x++)
{
if (spr->clipbot[x] > portal->floorclip[x - portal->start])
spr->clipbot[x] = portal->floorclip[x - portal->start];
if (spr->cliptop[x] < portal->ceilingclip[x - portal->start])
spr->cliptop[x] = portal->ceilingclip[x - portal->start];
}
for (x = end_index + 1; x <= x2; x++)
{
spr->clipbot[x] = -1;
spr->cliptop[x] = -1;
}
}
}