From 23232a5b20b39a0209805d8e4b7bdfdbdcd795b7 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Mon, 15 Jul 2019 19:41:07 +0200
Subject: [PATCH] pgraphnodes: fix assert when analyzing geoms with strip cut
 index

---
 panda/src/pgraphnodes/sceneGraphAnalyzer.cxx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/panda/src/pgraphnodes/sceneGraphAnalyzer.cxx b/panda/src/pgraphnodes/sceneGraphAnalyzer.cxx
index 915845af86..9a71530919 100644
--- a/panda/src/pgraphnodes/sceneGraphAnalyzer.cxx
+++ b/panda/src/pgraphnodes/sceneGraphAnalyzer.cxx
@@ -425,8 +425,12 @@ collect_statistics(const Geom *geom) {
     CPT(GeomPrimitive) prim = geom->get_primitive(i);
 
     int num_vertices = prim->get_num_vertices();
+    int strip_cut_index = prim->get_strip_cut_index();
     for (int vi = 0; vi < num_vertices; ++vi) {
-      tracker._referenced_vertices.set_bit(prim->get_vertex(vi));
+      int index = prim->get_vertex(vi);
+      if (index != strip_cut_index) {
+        tracker._referenced_vertices.set_bit(index);
+      }
     }
 
     if (prim->is_indexed()) {