Add safety guards

viciious · Oct 5, 2024 · 88328c2 · 88328c2
1 parent 8e35ab3
commit 88328c2
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/r_phase3.c b/r_phase3.c
@@ -86,6 +86,9 @@ static void R_PrepMobj(mobj_t *thing)
       flip = true;
    }
 
+   if (lump < firstsprite || lump >= firstsprite + numsprites)
+      return;
+
    patch = W_POINTLUMPNUM(lump);
    xscale = FixedDiv(PROJECTION, tz);
    gzt = thing->z - vd.viewz;
@@ -201,6 +204,9 @@ static void R_PrepPSprite(pspdef_t *psp)
    lump     = sprlump[0];
    patch    = W_POINTLUMPNUM(lump);
 
+   if (lump < firstsprite || lump >= firstsprite + numsprites)
+      return;
+
    xscale = weaponXScale;
    center = centerXFrac - 80 * weaponXScale;
    if (!lowResMode)