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diff --git a/libs/assimp/code/AssetLib/NDO/NDOLoader.h b/libs/assimp/code/AssetLib/NDO/NDOLoader.h
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+++ b/libs/assimp/code/AssetLib/NDO/NDOLoader.h
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+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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 NDOLoader.h
+ *  Declaration of the Nendo importer class.
+ */
+#ifndef INCLUDED_AI_NDO_LOADER_H
+#define INCLUDED_AI_NDO_LOADER_H
+
+#include <assimp/BaseImporter.h>
+#include <assimp/vector3.h>
+#include <cstdint>
+#include <string>
+#include <vector>
+
+struct aiImporterDesc;
+struct aiScene;
+
+namespace Assimp {
+class IOSystem;
+class Importer;
+
+// ---------------------------------------------------------------------------
+/** @brief Importer class to load meshes from Nendo.
+ *
+ *  Basing on
+ *  <blender>/blender/release/scripts/nendo_import.py by Anthony D'Agostino.
+*/
+class NDOImporter : public BaseImporter {
+public:
+    NDOImporter();
+    ~NDOImporter() override;
+
+    //! Represents a single edge
+    struct Edge {
+        unsigned int edge[8];
+        unsigned int hard;
+        uint8_t color[8];
+    };
+
+    //! Represents a single face
+    struct Face {
+        unsigned int elem;
+    };
+
+    struct Vertex {
+        unsigned int num;
+        aiVector3D val;
+    };
+
+    //! Represents a single object
+    struct Object {
+        std::string name;
+
+        std::vector<Edge> edges;
+        std::vector<Face> faces;
+        std::vector<Vertex> vertices;
+    };
+
+    // -------------------------------------------------------------------
+    bool CanRead(const std::string &pFile, IOSystem *pIOHandler,
+            bool checkSig) const override;
+
+protected:
+    // -------------------------------------------------------------------
+    const aiImporterDesc *GetInfo() const override;
+
+    // -------------------------------------------------------------------
+    void SetupProperties(const Importer *pImp) override;
+
+    // -------------------------------------------------------------------
+    void InternReadFile(const std::string &pFile, aiScene *pScene,
+            IOSystem *pIOHandler) override;
+
+}; // end of class NDOImporter
+
+} // end of namespace Assimp
+
+#endif // INCLUDED_AI_NDO_LOADER_H