audit all uses of ClipWindingEpsilon and choose the strict variant or not, and explai...

[xonotic/netradiant.git] / tools / quake3 / q3map2 / portals.c

diff --git a/tools/quake3/q3map2/portals.c b/tools/quake3/q3map2/portals.c
index 2efc1db47c0ea1bcad12fa27bcae6d214038cf92..e16c12c76a253fe8be641316743b80abf050fd56 100644 (file)
--- a/tools/quake3/q3map2/portals.c
+++ b/tools/quake3/q3map2/portals.c
@@ -410,7 +410,7 @@ void SplitNodePortals (node_t *node)
 // cut the portal into two portals, one on each side of the cut plane
 //
                ClipWindingEpsilon (p->winding, plane->normal, plane->dist,
-                       SPLIT_WINDING_EPSILON, &frontwinding, &backwinding);
+                       SPLIT_WINDING_EPSILON, &frontwinding, &backwinding); /* not strict, we want to always keep one of them even if coplanar */
 
                if (frontwinding && WindingIsTiny(frontwinding))
                {