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ref: soft: Try to stop decal->pnext loops from recursing infinitely

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Doesn't fix the root cause of the problem, which is the mysterious setting of decal->pnext to decal which doesn't happen in GL, but does act as a blockade and a temporary fix
This commit is contained in:
Buggem's Fedora PC
2026-07-21 19:49:21 +10:00
committed by a1batross
parent 009855c193
commit f2166a2c9d
1 changed files with 8 additions and 1 deletions
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9
ref/soft/r_decals.c
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@@ -470,6 +470,8 @@ static decal_t *R_DecalIntersect( decalinfo_t *decalinfo, msurface_t *surf, int
}
}
}
if( pDecal == pDecal->pnext ) break;
pDecal = pDecal->pnext;
}
return plast;
@@ -523,7 +525,10 @@ static void R_AddDecalToSurface( decal_t *pdecal, msurface_t *surf, decalinfo_t
if( pold )
{
while( pold->pnext )
{
if( pold == pold->pnext ) break;
pold = pold->pnext;
}
pold->pnext = pdecal;
}
else
@@ -599,8 +604,10 @@ static void R_DecalSurface( msurface_t *surf, decalinfo_t *decalinfo )
{
// NOTE: we may have the decal on this surface that come from another level.
// check duplicate with same position and texture
while( decal != NULL && decal != decal->pnext )
while( decal != NULL )
{
if( decal == decal->pnext ) break;
if( VectorCompare( decal->position, decalinfo->m_Position ) && decal->texture == decalinfo->m_iTexture )
return; // decal already exists, don't place it again
decal = decal->pnext;