Fix normal map in library and track objects if they are animated

src/tracks/model_definition_loader.cpp

@@ -82,7 +82,13 @@ LODNode* ModelDefinitionLoader::instanciateAsLOD(const XMLNode* node, scene::ISc
                     continue;
                 }
 
-                irr_driver->setAllMaterialFlags(a_mesh);
+                scene::ISkinnedMesh* sm =
+                    dynamic_cast<scene::ISkinnedMesh*>(a_mesh);
+                if (sm)
+                {
+                    MeshTools::createSkinnedMeshWithTangents(sm,
+                        &MeshTools::isNormalMap);
+                }
 
                 a_mesh->grab();
                 //cache.push_back(a_mesh);

src/tracks/track_object_presentation.cpp

@@ -368,6 +368,16 @@ TrackObjectPresentationMesh::TrackObjectPresentationMesh(
         m_mesh = MeshTools::createMeshWithTangents(m_mesh,
                                                    &MeshTools::isNormalMap);
     }
+    else
+    {
+        scene::ISkinnedMesh* sm =
+            dynamic_cast<scene::ISkinnedMesh*>(m_mesh);
+        if (sm)
+        {
+            MeshTools::createSkinnedMeshWithTangents(sm,
+                &MeshTools::isNormalMap);
+        }
+    }
     init(&xml_node, parent, enabled);
 }   // TrackObjectPresentationMesh