From 2811024a8fd78e5cb867975adde6910af2671abb Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Wed, 29 Oct 2003 18:01:08 +0000
Subject: [PATCH] test is_valid on collision polys

---
 panda/src/egg2pg/eggLoader.cxx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/panda/src/egg2pg/eggLoader.cxx b/panda/src/egg2pg/eggLoader.cxx
index 8f965d51c4..59ed18ea5a 100644
--- a/panda/src/egg2pg/eggLoader.cxx
+++ b/panda/src/egg2pg/eggLoader.cxx
@@ -2270,10 +2270,12 @@ create_collision_polygons(CollisionNode *cnode, EggPolygon *egg_poly,
     if (vertices.size() >= 3) {
       const Vertexf *vertices_begin = &vertices[0];
       const Vertexf *vertices_end = vertices_begin + vertices.size();
-      CollisionPolygon *cspoly =
+      PT(CollisionPolygon) cspoly =
         new CollisionPolygon(vertices_begin, vertices_end);
-      apply_collision_flags(cspoly, flags);
-      cnode->add_solid(cspoly);
+      if (cspoly->is_valid()) {
+        apply_collision_flags(cspoly, flags);
+        cnode->add_solid(cspoly);
+      }
     }
   }
 }