light: MakeEdgeToFaceMap: handle invalid faces with repeating vertices

2017-02-14 20:18:31 -07:00 · 2017-02-14 20:18:31 -07:00 · 05e144a5ca
parent 7895d13cf7
commit 05e144a5ca
1 changed files with 5 additions and 0 deletions
--- a/light/light2.cc
+++ b/light/light2.cc
@ -115,6 +115,11 @@ edgeToFaceMap_t MakeEdgeToFaceMap(const bsp2_t *bsp) {
            const int v0 = Face_VertexAtIndex(bsp, f, j);
            const int v1 = Face_VertexAtIndex(bsp, f, (j + 1) % f->numedges);
            
+            if (v0 == v1) {
+                // ad_swampy.bsp has faces with repeated verts...
+                continue;
+            }
+            
            const auto edge = make_pair(v0, v1);
            auto &edgeFacesRef = result[edge];