From 2e33cf0abc8cc123114f66326d55c662ca08a863 Mon Sep 17 00:00:00 2001
From: Ralf Habacker <ralf.habacker@freenet.de>
Date: Mon, 15 Jan 2018 14:22:18 +0100
Subject: [PATCH] obj plugin: Fix not writing material shininess

---
 src/osgPlugins/obj/OBJWriterNodeVisitor.cpp | 4 ++++
 src/osgPlugins/obj/OBJWriterNodeVisitor.h   | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/osgPlugins/obj/OBJWriterNodeVisitor.cpp b/src/osgPlugins/obj/OBJWriterNodeVisitor.cpp
index eaaec1187..6a5277c27 100644
--- a/src/osgPlugins/obj/OBJWriterNodeVisitor.cpp
+++ b/src/osgPlugins/obj/OBJWriterNodeVisitor.cpp
@@ -425,6 +425,7 @@ OBJWriterNodeVisitor::OBJMaterial::OBJMaterial(osg::Material* mat, osg::Texture*
     diffuse(1,1,1,1),
     ambient(0.2,0.2,0.2,1),
     specular(0,0,0,1),
+    shininess(-1),
     image("")
 {
     static unsigned int s_objmaterial_id = 0;
@@ -437,6 +438,7 @@ OBJWriterNodeVisitor::OBJMaterial::OBJMaterial(osg::Material* mat, osg::Texture*
         diffuse = mat->getDiffuse(osg::Material::FRONT);
         ambient = mat->getAmbient(osg::Material::FRONT);
         specular = mat->getSpecular(osg::Material::FRONT);
+        shininess = mat->getShininess(osg::Material::FRONT)*1000.0f/128.0f;
     }
 
     if (tex) {
@@ -454,6 +456,8 @@ std::ostream& operator<<(std::ostream& fout, const OBJWriterNodeVisitor::OBJMate
     fout << "       " << "Ka " << mat.ambient << std::endl;
     fout << "       " << "Kd " << mat.diffuse << std::endl;
     fout << "       " << "Ks " << mat.specular << std::endl;
+    if (mat.shininess != -1)
+        fout << "       " << "Ns " << mat.shininess<< std::endl;
 
     if(!mat.image.empty())
         fout << "       " << "map_Kd " << mat.image << std::endl;
diff --git a/src/osgPlugins/obj/OBJWriterNodeVisitor.h b/src/osgPlugins/obj/OBJWriterNodeVisitor.h
index 8dc16a0d5..8a9cf8f6f 100644
--- a/src/osgPlugins/obj/OBJWriterNodeVisitor.h
+++ b/src/osgPlugins/obj/OBJWriterNodeVisitor.h
@@ -116,6 +116,7 @@ class OBJWriterNodeVisitor: public osg::NodeVisitor {
                 OBJMaterial(osg::Material* mat, osg::Texture* tex);
 
                 osg::Vec4  diffuse, ambient, specular;
+                float shininess;
                 std::string    image;
                 std::string name;
         };