1 files changed, 9 insertions, 9 deletions
diff --git a/src/3rdparty/assimp/code/BlenderModifier.cpp b/src/3rdparty/assimp/code/BlenderModifier.cpp
index 24aed25d0..348df1f48 100644
--- a/src/3rdparty/assimp/code/BlenderModifier.cpp
+++ b/src/3rdparty/assimp/code/BlenderModifier.cpp
@@ -2,7 +2,8 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2016, assimp team
+Copyright (c) 2006-2017, assimp team
+
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -42,10 +43,10 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *  @brief Implementation of some blender modifiers (i.e subdivision, mirror).
  */
 
-
 #ifndef ASSIMP_BUILD_NO_BLEND_IMPORTER
+
 #include "BlenderModifier.h"
-#include "SceneCombiner.h"
+#include <assimp/SceneCombiner.h>
 #include "Subdivision.h"
 #include <assimp/scene.h>
 #include <memory>
@@ -265,7 +266,7 @@ void  BlenderModifier_Mirror :: DoIt(aiNode& out, ConversionData& conv_data,  co
 
     std::copy(out.mMeshes,out.mMeshes+out.mNumMeshes,nind);
     std::transform(out.mMeshes,out.mMeshes+out.mNumMeshes,nind+out.mNumMeshes,
-        std::bind1st(std::plus< unsigned int >(),out.mNumMeshes));
+        [&out](unsigned int n) { return out.mNumMeshes + n; });
 
     delete[] out.mMeshes;
     out.mMeshes = nind;
@@ -275,9 +276,6 @@ void  BlenderModifier_Mirror :: DoIt(aiNode& out, ConversionData& conv_data,  co
         orig_object.id.name,"`");
 }
 
-
-
-
 // ------------------------------------------------------------------------------------------------
 bool BlenderModifier_Subdivision :: IsActive (const ModifierData& modin)
 {
@@ -312,7 +310,9 @@ void  BlenderModifier_Subdivision :: DoIt(aiNode& out, ConversionData& conv_data
 
     std::unique_ptr<Subdivider> subd(Subdivider::Create(algo));
     ai_assert(subd);
-
+    if ( conv_data.meshes->empty() ) {
+        return;
+    }
     aiMesh** const meshes = &conv_data.meshes[conv_data.meshes->size() - out.mNumMeshes];
     std::unique_ptr<aiMesh*[]> tempmeshes(new aiMesh*[out.mNumMeshes]());
 
@@ -323,4 +323,4 @@ void  BlenderModifier_Subdivision :: DoIt(aiNode& out, ConversionData& conv_data
         orig_object.id.name,"`");
 }
 
-#endif
+#endif // ASSIMP_BUILD_NO_BLEND_IMPORTER