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diff --git a/NvCloth/samples/external/assimp-4.1.0/code/HMPLoader.h b/NvCloth/samples/external/assimp-4.1.0/code/HMPLoader.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  HMPLoader.h
+ *  @brief Declaration of the HMP importer class
+ */
+
+#ifndef AI_HMPLOADER_H_INCLUDED
+#define AI_HMPLOADER_H_INCLUDED
+
+// internal headers
+#include "BaseImporter.h"
+#include "MDLLoader.h"
+#include "HMPFileData.h"
+
+namespace Assimp {
+using namespace HMP;
+
+// ---------------------------------------------------------------------------
+/** Used to load 3D GameStudio HMP files (terrains)
+*/
+class HMPImporter : public MDLImporter
+{
+public:
+    HMPImporter();
+    ~HMPImporter();
+
+
+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);
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Import a HMP4 file
+    */
+    void InternReadFile_HMP4( );
+
+    // -------------------------------------------------------------------
+    /** Import a HMP5 file
+    */
+    void InternReadFile_HMP5( );
+
+    // -------------------------------------------------------------------
+    /** Import a HMP7 file
+    */
+    void InternReadFile_HMP7( );
+
+    // -------------------------------------------------------------------
+    /** Validate a HMP 5,4,7 file header
+    */
+    void ValidateHeader_HMP457( );
+
+    // -------------------------------------------------------------------
+    /** Try to load one material from the file, if this fails create
+     * a default material
+    */
+    void CreateMaterial(const unsigned char* szCurrent,
+        const unsigned char** szCurrentOut);
+
+    // -------------------------------------------------------------------
+    /** Build a list of output faces and vertices. The function
+     *  triangulates the height map read from the file
+     * \param width Width of the height field
+     * \param width Height of the height field
+    */
+    void CreateOutputFaceList(unsigned int width,unsigned int height);
+
+    // -------------------------------------------------------------------
+    /** Generate planar texture coordinates for a terrain
+     * \param width Width of the terrain, in vertices
+     * \param height Height of the terrain, in vertices
+    */
+    void GenerateTextureCoords(const unsigned int width,
+        const unsigned int height);
+
+    // -------------------------------------------------------------------
+    /** Read the first skin from the file and skip all others ...
+     *  \param iNumSkins Number of skins in the file
+     *  \param szCursor Position of the first skin (offset 84)
+    */
+    void ReadFirstSkin(unsigned int iNumSkins, const unsigned char* szCursor,
+        const unsigned char** szCursorOut);
+
+private:
+
+};
+
+} // end of namespace Assimp
+
+#endif // AI_HMPIMPORTER_H_INC
+