From c08dfc90c3a661024eb78db0faa63397afcedf42 Mon Sep 17 00:00:00 2001
From: Andrzej Kapolka <drzej.k@gmail.com>
Date: Fri, 2 May 2014 17:46:11 -0700
Subject: [PATCH] Add a hack to fix normals on Makehuman exports.

---
 libraries/fbx/src/FBXReader.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/libraries/fbx/src/FBXReader.cpp b/libraries/fbx/src/FBXReader.cpp
index 385f45e323..0bf203be02 100644
--- a/libraries/fbx/src/FBXReader.cpp
+++ b/libraries/fbx/src/FBXReader.cpp
@@ -760,6 +760,7 @@ ExtractedMesh extractMesh(const FBXNode& object) {
 
         } else if (child.name == "LayerElementNormal") {
             data.normalsByVertex = false;
+            bool indexToDirect = false;
             foreach (const FBXNode& subdata, child.children) {
                 if (subdata.name == "Normals") {
                     data.normals = createVec3Vector(getDoubleVector(subdata));
@@ -767,11 +768,17 @@ ExtractedMesh extractMesh(const FBXNode& object) {
                 } else if (subdata.name == "NormalsIndex") {
                     data.normalIndices = getIntVector(subdata);
 
-                } else if (subdata.name == "MappingInformationType" &&
-                        subdata.properties.at(0) == "ByVertice") {
+                } else if (subdata.name == "MappingInformationType" && subdata.properties.at(0) == "ByVertice") {
                     data.normalsByVertex = true;
+                    
+                } else if (subdata.name == "ReferenceInformationType" && subdata.properties.at(0) == "IndexToDirect") {
+                    indexToDirect = true;
                 }
             }
+            if (indexToDirect && data.normalIndices.isEmpty()) {
+                // hack to work around wacky Makehuman exports
+                data.normalsByVertex = true;
+            }
         } else if (child.name == "LayerElementUV" && child.properties.at(0).toInt() == 0) {
             foreach (const FBXNode& subdata, child.children) {
                 if (subdata.name == "UV") {