From fedbdb47cbd0c7f1e75337c143f03a452d56a614 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Tue, 4 May 2004 23:33:59 +0000
Subject: [PATCH] generate normals when needed

---
 pandatool/src/ptloader/loaderFileTypePandatool.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pandatool/src/ptloader/loaderFileTypePandatool.cxx b/pandatool/src/ptloader/loaderFileTypePandatool.cxx
index 9784279672..f18fad1786 100644
--- a/pandatool/src/ptloader/loaderFileTypePandatool.cxx
+++ b/pandatool/src/ptloader/loaderFileTypePandatool.cxx
@@ -119,6 +119,10 @@ load_file(const Filename &path, bool) const {
       egg_data.transform(LMatrix4d::scale_mat(scale));
     }
 
+    if (!egg_data.has_normals()) {
+      egg_data.recompute_polygon_normals();
+    }
+
     result = load_egg_data(egg_data);
   }
   _converter->clear_egg_data();