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Fix software splats breaking and crashing in skyboxes

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Hannu Hanhi 2022-01-14 19:53:03 +02:00 • committed by toaster
parent 3083d97e16
commit b7c23b9187
1 changed files with 13 additions and 1 deletions
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14
src/r_things.c
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@ -3090,13 +3090,25 @@ void R_ClipVisSprite(vissprite_t *spr, INT32 x1, INT32 x2, drawseg_t* dsstart, p
if (portal) 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]) if (spr->clipbot[x] > portal->floorclip[x - portal->start])
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]) if (spr->cliptop[x] < portal->ceilingclip[x - portal->start])
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;
}
} }
} }