From 7efb94580f47e6663fc2058d17eb2e76ae8d4833 Mon Sep 17 00:00:00 2001
From: Alexander Gessler <alexander.gessler@gmx.net>
Date: Fri, 26 Apr 2013 16:49:24 +0200
Subject: [PATCH] - LWO: fix crash when computing normals for meshes that
 contain line or point faces. Thanks to Thomas Sevaldrud for the patch.

---
 code/LWOLoader.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/LWOLoader.cpp b/code/LWOLoader.cpp
index 8e848e30e..5898eb8f6 100644
--- a/code/LWOLoader.cpp
+++ b/code/LWOLoader.cpp
@@ -467,6 +467,10 @@ void LWOImporter::ComputeNormals(aiMesh* mesh, const std::vector<unsigned int>&
 	for (; begin != end; ++begin)	{
 		aiFace& face = *begin;
 
+		if(face.mNumIndices < 3) {
+			continue;
+		}
+
 		// LWO doc: "the normal is defined as the cross product of the first and last edges"
 		aiVector3D* pV1 = mesh->mVertices + face.mIndices[0];
 		aiVector3D* pV2 = mesh->mVertices + face.mIndices[1];