From 4c1349c658e67271034857575ca9384064c391b6 Mon Sep 17 00:00:00 2001
From: Ralf Habacker <ralf.habacker@freenet.de>
Date: Mon, 25 Sep 2017 13:59:13 +0200
Subject: [PATCH] obj plugin: Fix bug not using specular color (Ks) for
 illumination mode > 2

See paragraph "Illumination models" at http://paulbourke.net/dataformats/mtl/ for details.
---
 src/osgPlugins/obj/ReaderWriterOBJ.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osgPlugins/obj/ReaderWriterOBJ.cpp b/src/osgPlugins/obj/ReaderWriterOBJ.cpp
index 88aebdc0c..2fe238310 100644
--- a/src/osgPlugins/obj/ReaderWriterOBJ.cpp
+++ b/src/osgPlugins/obj/ReaderWriterOBJ.cpp
@@ -359,7 +359,7 @@ void ReaderWriterOBJ::buildMaterialToStateSetMap(obj::Model& model, MaterialToSt
             osg_material->setDiffuse(osg::Material::FRONT_AND_BACK,material.diffuse);
             osg_material->setEmission(osg::Material::FRONT_AND_BACK,material.emissive);
 
-            if (material.illum == 2) {
+            if (material.illum >= 2) {
                 osg_material->setSpecular(osg::Material::FRONT_AND_BACK,material.specular);
             } else {
                 osg_material->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4(0,0,0,1));