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diff --git a/NvCloth/samples/external/assimp-4.1.0/code/Q3DLoader.h b/NvCloth/samples/external/assimp-4.1.0/code/Q3DLoader.h
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+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2017, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  Q3DLoader.h
+ *  @brief Declaration of the Q3D importer class.
+ */
+#ifndef AI_Q3DLOADER_H_INCLUDED
+#define AI_Q3DLOADER_H_INCLUDED
+
+#include "BaseImporter.h"
+#include <assimp/types.h>
+#include <vector>
+#include <stdint.h>
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** Importer class for the Quick3D Object and Scene formats.
+*/
+class Q3DImporter : public BaseImporter
+{
+public:
+    Q3DImporter();
+    ~Q3DImporter();
+
+
+public:
+
+    // -------------------------------------------------------------------
+    /** Returns whether the class can handle the format of the given file.
+    * See BaseImporter::CanRead() for details.  */
+    bool CanRead( const std::string& pFile, IOSystem* pIOHandler,
+        bool checkSig) const;
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Return importer meta information.
+     * See #BaseImporter::GetInfo for the details
+     */
+    const aiImporterDesc* GetInfo () const;
+
+    // -------------------------------------------------------------------
+    /** Imports the given file into the given scene structure.
+    * See BaseImporter::InternReadFile() for details
+    */
+    void InternReadFile( const std::string& pFile, aiScene* pScene,
+        IOSystem* pIOHandler);
+
+private:
+
+    struct Material
+    {
+        Material()
+            :   diffuse         (0.6f,0.6f,0.6f)
+            ,   transparency    (0.f)
+            ,   texIdx          (UINT_MAX)
+        {}
+
+        aiString name;
+        aiColor3D ambient, diffuse, specular;
+        float transparency;
+
+        unsigned int texIdx;
+    };
+
+    struct Face
+    {
+        explicit Face(unsigned int s)
+            :   indices   (s)
+            ,   uvindices (s)
+            ,   mat       (0)
+        {
+        }
+
+        std::vector<unsigned int> indices;
+        std::vector<unsigned int> uvindices;
+        unsigned int mat;
+    };
+
+    struct Mesh
+    {
+
+        std::vector<aiVector3D> verts;
+        std::vector<aiVector3D> normals;
+        std::vector<aiVector3D> uv;
+        std::vector<Face>       faces;
+
+        uint32_t prevUVIdx;
+    };
+};
+
+} // end of namespace Assimp
+
+#endif // AI_Q3DIMPORTER_H_IN