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diff --git a/libs/assimp/code/AssetLib/M3D/M3DWrapper.h b/libs/assimp/code/AssetLib/M3D/M3DWrapper.h
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+#pragma once
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2022, assimp team
+Copyright (c) 2019 bzt
+
+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 M3DWrapper.h
+*   @brief Declares a class to wrap the C m3d SDK
+*/
+#ifndef AI_M3DWRAPPER_H_INC
+#define AI_M3DWRAPPER_H_INC
+
+#ifndef ASSIMP_BUILD_NO_M3D_IMPORTER
+#if !(ASSIMP_BUILD_NO_EXPORT || ASSIMP_BUILD_NO_M3D_EXPORTER)  
+
+#include <memory>
+#include <vector>
+#include <string>
+
+// Assimp specific M3D configuration. Comment out these defines to remove functionality
+//#define ASSIMP_USE_M3D_READFILECB
+
+// Share stb_image's PNG loader with other importers/exporters instead of bringing our own copy.
+#define STBI_ONLY_PNG
+#include <stb/stb_image.h>
+
+#include "m3d.h"
+
+namespace Assimp {
+
+class IOSystem;
+
+/// brief   The M3D-Wrapper, provudes c++ access to the data.
+class M3DWrapper {
+public:
+	/// Construct an empty M3D model
+	explicit M3DWrapper();
+
+	/// Construct an M3D model from provided buffer
+	/// @note The m3d.h SDK function does not mark the data as const. Have assumed it does not write.
+	/// BUG: SECURITY: The m3d.h SDK cannot be informed of the buffer size. BUFFER OVERFLOW IS CERTAIN
+	explicit M3DWrapper(IOSystem *pIOHandler, const std::vector<unsigned char> &buffer);
+
+	/// Theclasss destructor.
+    ~M3DWrapper();
+
+	/// Will reset the wrapper, all data will become nullptr.
+    void reset();
+
+	// The Name access, empty string returned when no m3d instance.
+	std::string Name() const;
+
+	/// Executes a save.
+	unsigned char *Save(int quality, int flags, unsigned int &size);
+
+    /// Clearer
+	void ClearSave();
+
+    /// True for m3d instance exists.
+	explicit operator bool() const;
+
+	// Allow direct access to M3D API
+	m3d_t *operator->() const;
+	m3d_t *M3D() const;
+
+private:
+	m3d_t *m3d_ = nullptr;
+	unsigned char *saved_output_ = nullptr;
+};
+
+inline std::string M3DWrapper::Name() const {
+    if (nullptr != m3d_) {
+        if (nullptr != m3d_->name) {
+            return std::string(m3d_->name);
+        }
+    }
+    return std::string();
+}
+
+inline M3DWrapper::operator bool() const {
+    return m3d_ != nullptr;
+}
+
+inline m3d_t *M3DWrapper::operator->() const {
+    return m3d_;
+}
+
+inline m3d_t *M3DWrapper::M3D() const {
+    return m3d_;
+}
+
+} // namespace Assimp
+
+#endif
+#endif // ASSIMP_BUILD_NO_M3D_IMPORTER
+
+#endif // AI_M3DWRAPPER_H_INC