From c9b1bccf971713a8066c8078854f38a948675ee8 Mon Sep 17 00:00:00 2001
From: Syoyo Fujita <syoyo@lighttransport.com>
Date: Mon, 20 Aug 2018 15:10:37 +0900
Subject: [PATCH] Fix mis-counting of faces when triangulation is enabled.

---
 experimental/tinyobj_loader_opt.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/experimental/tinyobj_loader_opt.h b/experimental/tinyobj_loader_opt.h
index 003803c..86c1b6c 100644
--- a/experimental/tinyobj_loader_opt.h
+++ b/experimental/tinyobj_loader_opt.h
@@ -1685,7 +1685,8 @@ bool parseObj(attrib_t *attrib, std::vector<shape_t> *shapes,
           }
         }
         if (commands[t][i].type == COMMAND_F) {
-          face_count++;
+          // Consider generation of multiple faces per `f` line by triangulation
+          face_count += commands[t][i].f_num_verts.size();
         }
       }
     }