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diff --git a/thirdparty/assimp/code/FBXDocumentUtil.cpp b/thirdparty/assimp/code/FBXDocumentUtil.cpp
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+++ b/thirdparty/assimp/code/FBXDocumentUtil.cpp
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+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, 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  FBXDocumentUtil.cpp
+ *  @brief Implementation of the FBX DOM utility functions declared in FBXDocumentUtil.h
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXParser.h"
+#include "FBXDocument.h"
+#include "FBXUtil.h"
+#include "FBXDocumentUtil.h"
+#include "FBXProperties.h"
+
+
+namespace Assimp {
+namespace FBX {
+namespace Util {
+
+// ------------------------------------------------------------------------------------------------
+// signal DOM construction error, this is always unrecoverable. Throws DeadlyImportError.
+void DOMError(const std::string& message, const Token& token)
+{
+    throw DeadlyImportError(Util::AddTokenText("FBX-DOM",message,&token));
+}
+
+// ------------------------------------------------------------------------------------------------
+void DOMError(const std::string& message, const Element* element /*= NULL*/)
+{
+    if(element) {
+        DOMError(message,element->KeyToken());
+    }
+    throw DeadlyImportError("FBX-DOM " + message);
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// print warning, do return
+void DOMWarning(const std::string& message, const Token& token)
+{
+    if(DefaultLogger::get()) {
+        ASSIMP_LOG_WARN(Util::AddTokenText("FBX-DOM",message,&token));
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void DOMWarning(const std::string& message, const Element* element /*= NULL*/)
+{
+    if(element) {
+        DOMWarning(message,element->KeyToken());
+        return;
+    }
+    if(DefaultLogger::get()) {
+        ASSIMP_LOG_WARN("FBX-DOM: " + message);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// fetch a property table and the corresponding property template
+std::shared_ptr<const PropertyTable> GetPropertyTable(const Document& doc,
+    const std::string& templateName,
+    const Element &element,
+    const Scope& sc,
+    bool no_warn /*= false*/)
+{
+    const Element* const Properties70 = sc["Properties70"];
+    std::shared_ptr<const PropertyTable> templateProps = std::shared_ptr<const PropertyTable>(
+        static_cast<const PropertyTable*>(NULL));
+
+    if(templateName.length()) {
+        PropertyTemplateMap::const_iterator it = doc.Templates().find(templateName);
+        if(it != doc.Templates().end()) {
+            templateProps = (*it).second;
+        }
+    }
+
+    if(!Properties70 || !Properties70->Compound()) {
+        if(!no_warn) {
+            DOMWarning("property table (Properties70) not found",&element);
+        }
+        if(templateProps) {
+            return templateProps;
+        }
+        else {
+            return std::make_shared<const PropertyTable>();
+        }
+    }
+    return std::make_shared<const PropertyTable>(*Properties70,templateProps);
+}
+} // !Util
+} // !FBX
+} // !Assimp
+
+#endif