Enable C++17 and C99

- closes https://github.com/assimp/assimp/issues/4257

CMakeLists.txt

@@ -1,6 +1,6 @@
 # Open Asset Import Library (assimp)
 # ----------------------------------------------------------------------
-# Copyright (c) 2006-2022, assimp team
+# Copyright (c) 2006-2021, assimp team
 #
 # All rights reserved.
 #
@@ -56,7 +56,7 @@ IF(ASSIMP_HUNTER_ENABLED)
   add_definitions(-DASSIMP_USE_HUNTER)
 ENDIF()
 
-PROJECT(Assimp VERSION 5.2.0)
+PROJECT(Assimp VERSION 5.1.3)
 
 # All supported options ###############################################
 
@@ -182,8 +182,8 @@ SET (ASSIMP_SOVERSION 5)
 
 SET( ASSIMP_PACKAGE_VERSION "0" CACHE STRING "the package-specific version used for uploading the sources" )
 if(NOT ASSIMP_HUNTER_ENABLED)
-  # Enable C++11 support globally
-  set(CMAKE_CXX_STANDARD 11)
+  # Enable C++17 support globally
+  set(CMAKE_CXX_STANDARD 17)
   set(CMAKE_CXX_STANDARD_REQUIRED ON)
   set(CMAKE_C_STANDARD 99)
 endif()
@@ -246,7 +246,7 @@ IF( UNIX )
 ENDIF()
 
 # Grouped compiler settings ########################################
-IF ((CMAKE_C_COMPILER_ID MATCHES "GNU") AND NOT MINGW)
+IF ((CMAKE_C_COMPILER_ID MATCHES "GNU") AND NOT CMAKE_COMPILER_IS_MINGW)
   IF(NOT ASSIMP_HUNTER_ENABLED)
     SET(CMAKE_CXX_STANDARD 11)
     SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
@@ -283,7 +283,7 @@ ELSEIF (CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
   ENDIF()
   SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wall -Wno-long-long ${CMAKE_CXX_FLAGS}" )
   SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
-ELSEIF( MINGW )
+ELSEIF( CMAKE_COMPILER_IS_MINGW )
   IF (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
     message(FATAL_ERROR "MinGW is too old to be supported. Please update MinGW and try again.")
   ELSEIF(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.3)
@@ -341,24 +341,9 @@ INCLUDE (FindPkgMacros)
 INCLUDE (PrecompiledHeader)
 
 # Set Assimp project output directory variables.
-# Will respect top-level CMAKE_*_OUTPUT_DIRECTORY variables if any are set.
-IF(NOT DEFINED CMAKE_RUNTIME_OUTPUT_DIRECTORY)
-  SET(ASSIMP_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin" CACHE STRING "Path for runtime output files")
-ELSE()
-  SET(ASSIMP_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} CACHE STRING "Path for runtime output files")
-ENDIF()
-
-IF(NOT DEFINED CMAKE_LIBRARY_OUTPUT_DIRECTORY)
-  SET(ASSIMP_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin" CACHE STRING "Path for library output files")
-ELSE()
-  SET(ASSIMP_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY} CACHE STRING "Path for runtime output files")
-ENDIF()
-
-IF(NOT DEFINED CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
-  SET(ASSIMP_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib" CACHE STRING "Path for library output files")
-ELSE()
-  SET(ASSIMP_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY} CACHE STRING "Path for runtime output files")
-ENDIF()
+SET(ASSIMP_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin" CACHE STRING "Path for runtime output files")
+SET(ASSIMP_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin" CACHE STRING "Path for library output files")
+SET(ASSIMP_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib" CACHE STRING "Path for archive output files")
 
 # Macro used to set the output directories of a target to the
 # respective Assimp output directories.

code/AssetLib/3DS/3DSConverter.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/3DS/3DSExporter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/3DS/3DSExporter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/3DS/3DSHelper.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/3DS/3DSLoader.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -111,9 +111,20 @@ Discreet3DSImporter::~Discreet3DSImporter() {
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool Discreet3DSImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
-    static const uint16_t token[] = { 0x4d4d, 0x3dc2 /*, 0x3daa */ };
-    return CheckMagicToken(pIOHandler, pFile, token, AI_COUNT_OF(token), 0, sizeof token[0]);
+bool Discreet3DSImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const {
+    std::string extension = GetExtension(pFile);
+    if (extension == "3ds" || extension == "prj") {
+        return true;
+    }
+
+    if (!extension.length() || checkSig) {
+        uint16_t token[3];
+        token[0] = 0x4d4d;
+        token[1] = 0x3dc2;
+        //token[2] = 0x3daa;
+        return CheckMagicToken(pIOHandler, pFile, token, 2, 0, 2);
+    }
+    return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/3DS/3DSLoader.h

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/3MF/3MFTypes.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/3MF/3MFXmlTags.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/3MF/D3MFExporter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/3MF/D3MFExporter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/3MF/D3MFImporter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -90,12 +90,24 @@ D3MFImporter::~D3MFImporter() {
     // empty
 }
 
-bool D3MFImporter::CanRead(const std::string &filename, IOSystem *pIOHandler, bool /*checkSig*/) const {
-    if (!ZipArchiveIOSystem::isZipArchive(pIOHandler, filename)) {
-        return false;
+bool D3MFImporter::CanRead(const std::string &filename, IOSystem *pIOHandler, bool checkSig) const {
+    const std::string extension(GetExtension(filename));
+    if (extension == desc.mFileExtensions) {
+        return true;
+    } 
+
+    if (!extension.length() || checkSig) {
+        if (nullptr == pIOHandler) {
+            return false;
+        }
+        if (!ZipArchiveIOSystem::isZipArchive(pIOHandler, filename)) {
+            return false;
+        }
+        D3MFOpcPackage opcPackage(pIOHandler, filename);
+        return opcPackage.validate();
     }
-    D3MF::D3MFOpcPackage opcPackage(pIOHandler, filename);
-    return opcPackage.validate();
+
+    return false;
 }
 
 void D3MFImporter::SetupProperties(const Importer*) {

code/AssetLib/3MF/D3MFImporter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/3MF/D3MFOpcPackage.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/3MF/D3MFOpcPackage.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/3MF/XmlSerializer.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/3MF/XmlSerializer.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/AC/ACLoader.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -152,9 +152,18 @@ AC3DImporter::~AC3DImporter() {
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool AC3DImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
-    static const uint32_t tokens[] = { AI_MAKE_MAGIC("AC3D") };
-    return CheckMagicToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));
+bool AC3DImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const {
+    std::string extension = GetExtension(pFile);
+
+    // fixme: are acc and ac3d *really* used? Some sources say they are
+    if (extension == "ac" || extension == "ac3d" || extension == "acc") {
+        return true;
+    }
+    if (!extension.length() || checkSig) {
+        uint32_t token = AI_MAKE_MAGIC("AC3D");
+        return CheckMagicToken(pIOHandler, pFile, &token, 1, 0);
+    }
+    return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/AC/ACLoader.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/AMF/AMFImporter.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -503,9 +503,19 @@ void AMFImporter::ParseNode_Metadata(XmlNode &node) {
     mNodeElement_List.push_back(ne); // and to node element list because its a new object in graph.
 }
 
-bool AMFImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*pCheckSig*/) const {
-    static const char *tokens[] = { "<amf" };
-    return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));
+bool AMFImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool pCheckSig) const {
+    const std::string extension = GetExtension(pFile);
+
+    if (extension == "amf") {
+        return true;
+    }
+
+    if (extension.empty() || pCheckSig) {
+        static const char * const tokens[] = { "<amf" };
+        return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
+    }
+
+    return false;
 }
 
 const aiImporterDesc *AMFImporter::GetInfo() const {

code/AssetLib/AMF/AMFImporter.hpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/AMF/AMFImporter_Geometry.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/AMF/AMFImporter_Material.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/AMF/AMFImporter_Node.hpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/AMF/AMFImporter_Postprocess.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/ASE/ASELoader.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -95,9 +95,19 @@ ASEImporter::~ASEImporter() {
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool ASEImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
-    static const char *tokens[] = { "*3dsmax_asciiexport" };
-    return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));
+bool ASEImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool cs) const {
+    // check file extension
+    const std::string extension = GetExtension(pFile);
+
+    if (extension == "ase" || extension == "ask") {
+        return true;
+    }
+
+    if ((!extension.length() || cs) && pIOHandler) {
+        static const char * const tokens[] = { "*3dsmax_asciiexport" };
+        return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
+    }
+    return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/ASE/ASELoader.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/ASE/ASEParser.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -486,9 +486,8 @@ void Parser::ParseLV1MaterialListBlock() {
                 ParseLV4MeshLong(iIndex);
 
                 if (iIndex >= iMaterialCount) {
-                    LogError("Out of range: material index is too large");
+                    LogWarning("Out of range: material index is too large");
                     iIndex = iMaterialCount - 1;
-                    return;
                 }
 
                 // get a reference to the material

code/AssetLib/ASE/ASEParser.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Assbin/AssbinExporter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Assbin/AssbinExporter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Assbin/AssbinFileWriter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Assbin/AssbinFileWriter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Assbin/AssbinLoader.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Assbin/AssbinLoader.h

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Assxml/AssxmlExporter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Assxml/AssxmlExporter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Assxml/AssxmlFileWriter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Assxml/AssxmlFileWriter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/B3D/B3DImporter.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -81,7 +81,7 @@ static const aiImporterDesc desc = {
 
 //#define DEBUG_B3D
 
-template<typename T>
+template <typename T>
 void DeleteAllBarePointers(std::vector<T> &x) {
     for (auto p : x) {
         delete p;
@@ -89,11 +89,11 @@ void DeleteAllBarePointers(std::vector<T> &x) {
 }
 
 B3DImporter::~B3DImporter() {
-    // empty
 }
 
 // ------------------------------------------------------------------------------------------------
 bool B3DImporter::CanRead(const std::string &pFile, IOSystem * /*pIOHandler*/, bool /*checkSig*/) const {
+
     size_t pos = pFile.find_last_of('.');
     if (pos == string::npos) {
         return false;

code/AssetLib/B3D/B3DImporter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/BVH/BVHLoader.cpp

@@ -4,7 +4,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 
@@ -92,9 +92,18 @@ BVHLoader::~BVHLoader() {}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool BVHLoader::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
-    static const char *tokens[] = { "HIERARCHY" };
-    return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));
+bool BVHLoader::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool cs) const {
+    // check file extension
+    const std::string extension = GetExtension(pFile);
+
+    if (extension == "bvh")
+        return true;
+
+    if ((!extension.length() || cs) && pIOHandler) {
+        static const char * const tokens[] = { "HIERARCHY" };
+        return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
+    }
+    return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/BVH/BVHLoader.h

@@ -4,7 +4,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Blender/BlenderBMesh.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,

code/AssetLib/Blender/BlenderBMesh.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,

code/AssetLib/Blender/BlenderDNA.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Blender/BlenderDNA.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Blender/BlenderDNA.inl

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Blender/BlenderIntermediate.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Blender/BlenderLoader.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.
@@ -114,14 +114,22 @@ BlenderImporter::~BlenderImporter() {
 }
 
 static const char * const Tokens[] = { "BLENDER" };
+static const char * const TokensForSearch[] = { "blender" };
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool BlenderImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
-    // note: this won't catch compressed files
-    static const char *tokens[] = { "<BLENDER", "blender" };
+bool BlenderImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const {
+    const std::string &extension = GetExtension(pFile);
+    if (extension == "blend") {
+        return true;
+    }
 
-    return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));
+    if ((!extension.length() || checkSig) && pIOHandler) {
+        // note: this won't catch compressed files
+        return SearchFileHeaderForToken(pIOHandler, pFile, TokensForSearch, 1);
+    }
+
+    return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/Blender/BlenderLoader.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Blender/BlenderModifier.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Blender/BlenderModifier.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Blender/BlenderScene.cpp

@@ -49,8 +49,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "BlenderDNA.h"
 #include "BlenderSceneGen.h"
 
-namespace Assimp {
-namespace Blender {
+using namespace Assimp;
+using namespace Assimp::Blender;
 
 //--------------------------------------------------------------------------------
 template <>
@@ -885,7 +885,4 @@ void DNA::RegisterConverters() {
     converters["CollectionObject"] = DNA::FactoryPair(&Structure::Allocate<CollectionObject>, &Structure::Convert<CollectionObject>);
 }
 
-} // namespace Blender
-} //namespace Assimp
-
 #endif // ASSIMP_BUILD_NO_BLEND_IMPORTER

code/AssetLib/Blender/BlenderScene.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Blender/BlenderTessellator.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Blender/BlenderTessellator.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/C4D/C4DImporter.cpp

@@ -106,25 +106,14 @@ static const aiImporterDesc desc = {
 
 
 // ------------------------------------------------------------------------------------------------
-C4DImporter::C4DImporter()
-: BaseImporter() {
-    // empty
-}
-
-// ------------------------------------------------------------------------------------------------
-C4DImporter::~C4DImporter() {
-    // empty
-}
-
-// ------------------------------------------------------------------------------------------------
-bool C4DImporter::CanRead( const std::string& pFile, IOSystem* /*pIOHandler*/, bool /*checkSig*/) const {
+bool C4DImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const {
     const std::string& extension = GetExtension(pFile);
     if (extension == "c4d") {
         return true;
     } else if ((!extension.length() || checkSig) && pIOHandler)   {
         // TODO
     }
-    
+
     return false;
 }
 

code/AssetLib/COB/COBLoader.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -103,9 +103,17 @@ COBImporter::~COBImporter() {
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool COBImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
-    static const char *tokens[] = { "Caligary" };
-    return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));
+bool COBImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const {
+    const std::string &extension = GetExtension(pFile);
+    if (extension == "cob" || extension == "scn" || extension == "COB" || extension == "SCN") {
+        return true;
+    }
+
+    else if ((!extension.length() || checkSig) && pIOHandler) {
+        static const char * const tokens[] = { "Caligary" };
+        return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
+    }
+    return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/COB/COBLoader.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/COB/COBScene.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/CSM/CSMLoader.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 
@@ -90,10 +90,19 @@ CSMImporter::~CSMImporter()
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool CSMImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool /*checkSig*/) const
+bool CSMImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const
 {
-    static const char* tokens[] = {"$Filename"};
-    return SearchFileHeaderForToken(pIOHandler,pFile,tokens,AI_COUNT_OF(tokens));
+    // check file extension
+    const std::string extension = GetExtension(pFile);
+
+    if( extension == "csm")
+        return true;
+
+    if ((checkSig || !extension.length()) && pIOHandler) {
+        static const char * const tokens[] = {"$Filename"};
+        return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1);
+    }
+    return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/CSM/CSMLoader.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Collada/ColladaExporter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Collada/ColladaExporter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Collada/ColladaHelper.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Collada/ColladaHelper.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/Collada/ColladaLoader.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -116,15 +116,37 @@ ColladaLoader::~ColladaLoader() {
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool ColladaLoader::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
-    // Look for a DAE file inside, but don't extract it
-    ZipArchiveIOSystem zip_archive(pIOHandler, pFile);
-    if (zip_archive.isOpen()) {
-        return !ColladaParser::ReadZaeManifest(zip_archive).empty();
+bool ColladaLoader::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const {
+    // check file extension
+    const std::string extension = GetExtension(pFile);
+    const bool readSig = checkSig && (pIOHandler != nullptr);
+    if (!readSig) {
+        if (extension == "dae" || extension == "zae") {
+            return true;
+        }
+    } else {
+        // Look for a DAE file inside, but don't extract it
+        ZipArchiveIOSystem zip_archive(pIOHandler, pFile);
+        if (zip_archive.isOpen()) {
+            return !ColladaParser::ReadZaeManifest(zip_archive).empty();
+        }
     }
 
-    static const char *tokens[] = { "<collada" };
-    return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));
+    // XML - too generic, we need to open the file and search for typical keywords
+    if (extension == "xml" || !extension.length() || checkSig) {
+        //  If CanRead() is called in order to check whether we
+        //  support a specific file extension in general pIOHandler
+        //  might be nullptr and it's our duty to return true here.
+        if (nullptr == pIOHandler) {
+            return true;
+        }
+        static const char * const tokens[] = {
+            "<collada"
+        };
+        return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
+    }
+
+    return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/Collada/ColladaLoader.h

@@ -4,7 +4,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/Collada/ColladaParser.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -331,16 +331,7 @@ void ColladaParser::ReadAssetInfo(XmlNode &node) {
         const std::string &currentName = currentNode.name();
         if (currentName == "unit") {
             mUnitSize = 1.f;
-            std::string tUnitSizeString;
-            if (XmlParser::getStdStrAttribute(currentNode, "meter", tUnitSizeString)) {
-                try {
-                    fast_atoreal_move<ai_real>(tUnitSizeString.data(), mUnitSize);
-                } catch (const DeadlyImportError& die) {
-                    std::string warning("Collada: Failed to parse meter parameter to real number. Exception:\n");
-                    warning.append(die.what());
-                    ASSIMP_LOG_WARN(warning.data());
-                }
-            }
+            XmlParser::getRealAttribute(currentNode, "meter", mUnitSize);
         } else if (currentName == "up_axis") {
             std::string v;
             if (!XmlParser::getValueAsString(currentNode, v)) {
@@ -2251,26 +2242,20 @@ void ColladaParser::ReadNodeGeometry(XmlNode &node, Node *pNode) {
         if (currentName == "bind_material") {
             XmlNode techNode = currentNode.child("technique_common");
             if (techNode) {
-                for (XmlNode instanceMatNode = techNode.child("instance_material"); instanceMatNode; instanceMatNode = instanceMatNode.next_sibling())
-                {
-                    const std::string &instance_name = instanceMatNode.name();
-                    if (instance_name == "instance_material")
-                    {
-                        // read ID of the geometry subgroup and the target material
-                        std::string group;
-                        XmlParser::getStdStrAttribute(instanceMatNode, "symbol", group);
-                        XmlParser::getStdStrAttribute(instanceMatNode, "target", url);
-                        const char *urlMat = url.c_str();
-                        Collada::SemanticMappingTable s;
-                        if (urlMat[0] == '#')
-                            urlMat++;
+                XmlNode instanceMatNode = techNode.child("instance_material");
+                // read ID of the geometry subgroup and the target material
+                std::string group;
+                XmlParser::getStdStrAttribute(instanceMatNode, "symbol", group);
+                XmlParser::getStdStrAttribute(instanceMatNode, "target", url);
+                const char *urlMat = url.c_str();
+                Collada::SemanticMappingTable s;
+                if (urlMat[0] == '#')
+                    urlMat++;
 
-                        s.mMatName = urlMat;
-                        // store the association
-                        instance.mMaterials[group] = s;
-                        ReadMaterialVertexInputBinding(instanceMatNode, s);
-                    }
-                }
+                s.mMatName = urlMat;
+                // store the association
+                instance.mMaterials[group] = s;
+                ReadMaterialVertexInputBinding(instanceMatNode, s);
             }
         }
     }

code/AssetLib/Collada/ColladaParser.h

@@ -2,7 +2,7 @@
  Open Asset Import Library (assimp)
  ----------------------------------------------------------------------
 
- Copyright (c) 2006-2022, assimp team
+ Copyright (c) 2006-2021, assimp team
 
  All rights reserved.
 

code/AssetLib/DXF/DXFHelper.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/DXF/DXFLoader.cpp

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -123,9 +123,18 @@ DXFImporter::~DXFImporter() {
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool DXFImporter::CanRead( const std::string& filename, IOSystem* pIOHandler, bool /*checkSig*/ ) const {
-    static const char *tokens[] = { "SECTION", "HEADER", "ENDSEC", "BLOCKS" };
-    return SearchFileHeaderForToken(pIOHandler, filename, tokens, AI_COUNT_OF(tokens), 32);
+bool DXFImporter::CanRead( const std::string& filename, IOSystem* pIOHandler, bool checkSig ) const {
+    const std::string& extension = GetExtension( filename );
+    if ( extension == desc.mFileExtensions ) {
+        return true;
+    }
+
+    if ( extension.empty() || checkSig ) {
+        static const char * const pTokens[] = { "SECTION", "HEADER", "ENDSEC", "BLOCKS" };
+        return SearchFileHeaderForToken(pIOHandler, filename, pTokens, 4, 32 );
+    }
+
+    return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/DXF/DXFLoader.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXAnimation.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXBinaryTokenizer.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXCommon.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXCompileConfig.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXConverter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -2070,7 +2070,6 @@ void FBXConverter::SetTextureProperties(aiMaterial *out_mat, const LayeredTextur
     TrySetTextureProperties(out_mat, layeredTextures, "ShininessExponent", aiTextureType_SHININESS, mesh);
     TrySetTextureProperties(out_mat, layeredTextures, "EmissiveFactor", aiTextureType_EMISSIVE, mesh);
     TrySetTextureProperties(out_mat, layeredTextures, "TransparencyFactor", aiTextureType_OPACITY, mesh);
-    TrySetTextureProperties(out_mat, layeredTextures, "ReflectionFactor", aiTextureType_METALNESS, mesh);
 }
 
 aiColor3D FBXConverter::GetColorPropertyFactored(const PropertyTable &props, const std::string &colorName,

code/AssetLib/FBX/FBXConverter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXDeformer.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXDocument.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXDocument.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXDocumentUtil.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXExportNode.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXExportNode.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXExportProperty.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXExportProperty.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXExporter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXExporter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXImportSettings.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXImporter.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 
@@ -100,10 +100,18 @@ FBXImporter::~FBXImporter() {
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool FBXImporter::CanRead(const std::string & pFile, IOSystem * pIOHandler, bool /*checkSig*/) const {
-	// at least ASCII-FBX files usually have a 'FBX' somewhere in their head
-	static const char *tokens[] = { "fbx" };
-	return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));
+bool FBXImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const {
+	const std::string &extension = GetExtension(pFile);
+	if (extension == std::string(desc.mFileExtensions)) {
+		return true;
+	}
+
+	else if ((!extension.length() || checkSig) && pIOHandler) {
+		// at least ASCII-FBX files usually have a 'FBX' somewhere in their head
+		static const char * const tokens[] = { "fbx" };
+		return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
+	}
+	return false;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/FBX/FBXImporter.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXMaterial.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.
 

code/AssetLib/FBX/FBXMeshGeometry.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXMeshGeometry.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXModel.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXNodeAttribute.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXParser.cpp

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 
 All rights reserved.

code/AssetLib/FBX/FBXParser.h

@@ -2,7 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2022, assimp team
+Copyright (c) 2006-2021, assimp team
 
 All rights reserved.