Fix smoothing groups not working on detail brushes

ValveSoftware/source-sdk-2013#391
untodesu · May 18, 2020 · e9597f5 · e9597f5
1 parent 2690be9
commit e9597f5
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diff --git a/src/lib/public/raytrace.lib b/src/lib/public/raytrace.lib
diff --git a/src/vbsp/detail.cpp b/src/vbsp/detail.cpp
@@ -440,6 +440,8 @@ face_t *MakeBrushFace( side_t *originalSide, winding_t *winding )
     f->split[0] = f->split[1] = NULL;
     f->w = CopyWinding( winding );
     f->originalface = originalSide;
+    f->smoothingGroups = originalSide->smoothingGroups;
+
     //
     // save material info
     //