Merge branch 'master' into GLTF2_recursive_references_fix

.github/workflows/ccpp.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: configure
       run: cmake CMakeLists.txt
     - name: build
@@ -23,7 +23,7 @@ jobs:
     runs-on: macos-latest
     
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: configure
       run: cmake CMakeLists.txt
     - name: build
@@ -35,7 +35,7 @@ jobs:
     runs-on: windows-latest
     
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: configure
       run: cmake CMakeLists.txt
     - name: build

assimpTargets-debug.cmake.in

@@ -7,6 +7,14 @@ set(CMAKE_IMPORT_FILE_VERSION 1)
 
 set(ASSIMP_BUILD_SHARED_LIBS @BUILD_SHARED_LIBS@)
 
+get_property(LIB64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
+
+if ("${LIB64}" STREQUAL "TRUE")
+    set(LIBSUFFIX 64)
+else()
+    set(LIBSUFFIX "")
+endif()
+
 if(MSVC)
   if(MSVC_TOOLSET_VERSION)
     set(MSVC_PREFIX "vc${MSVC_TOOLSET_VERSION}")
@@ -75,23 +83,20 @@ else()
     endif()
     set_target_properties(assimp::assimp PROPERTIES
       IMPORTED_SONAME_DEBUG "${sharedLibraryName}"
-      IMPORTED_LOCATION_DEBUG "@CMAKE_INSTALL_FULL_LIBDIR@/${sharedLibraryName}"
+      IMPORTED_LOCATION_DEBUG "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${sharedLibraryName}"
     )
     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
-    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "@CMAKE_INSTALL_FULL_LIBDIR@/${sharedLibraryName}" )
+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${sharedLibraryName}" )
   else()
     set(staticLibraryName "libassimp${ASSIMP_LIBRARY_SUFFIX}@CMAKE_DEBUG_POSTFIX@@CMAKE_STATIC_LIBRARY_SUFFIX@")
     set_target_properties(assimp::assimp PROPERTIES
-      IMPORTED_LOCATION_DEBUG "@CMAKE_INSTALL_FULL_LIBDIR@/${staticLibraryName}"
+      IMPORTED_LOCATION_DEBUG "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}"
     )
     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
-    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "@CMAKE_INSTALL_FULL_LIBDIR@/${staticLibraryName}" )
+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}" )
   endif()
 endif()
 
-
-
-
 # Commands beyond this point should not need to know the version.
 set(CMAKE_IMPORT_FILE_VERSION)
 

assimpTargets-release.cmake.in

@@ -7,6 +7,14 @@ set(CMAKE_IMPORT_FILE_VERSION 1)
 
 set(ASSIMP_BUILD_SHARED_LIBS @BUILD_SHARED_LIBS@)
 
+get_property(LIB64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
+
+if ("${LIB64}" STREQUAL "TRUE")
+    set(LIBSUFFIX 64)
+else()
+    set(LIBSUFFIX "")
+endif()
+
 if(MSVC)
   if(MSVC_TOOLSET_VERSION)
     set(MSVC_PREFIX "vc${MSVC_TOOLSET_VERSION}")
@@ -75,17 +83,17 @@ else()
     endif()
     set_target_properties(assimp::assimp PROPERTIES
       IMPORTED_SONAME_RELEASE "${sharedLibraryName}"
-      IMPORTED_LOCATION_RELEASE "@CMAKE_INSTALL_FULL_LIBDIR@/${sharedLibraryName}"
+      IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${sharedLibraryName}"
     )
     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
-    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "@CMAKE_INSTALL_FULL_LIBDIR@/${sharedLibraryName}" )
+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${sharedLibraryName}" )
   else()
     set(staticLibraryName "libassimp${ASSIMP_LIBRARY_SUFFIX}@CMAKE_STATIC_LIBRARY_SUFFIX@")
     set_target_properties(assimp::assimp PROPERTIES
-      IMPORTED_LOCATION_RELEASE "@CMAKE_INSTALL_FULL_LIBDIR@/${staticLibraryName}"
+      IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}"
     )
     list(APPEND _IMPORT_CHECK_TARGETS assimp::assimp )
-    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "@CMAKE_INSTALL_FULL_LIBDIR@/${staticLibraryName}" )
+    list(APPEND _IMPORT_CHECK_FILES_FOR_assimp::assimp "${_IMPORT_PREFIX}/lib${LIBSUFFIX}/${staticLibraryName}" )
   endif()
 endif()
 

code/3DS/3DSConverter.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -43,7 +41,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 /** @file Implementation of the 3ds importer class */
 
-
 #ifndef ASSIMP_BUILD_NO_3DS_IMPORTER
 
 // internal headers

code/3DS/3DSHelper.h

@@ -441,12 +441,33 @@ struct Material {
         // empty
     }
 
-    Material(const Material &other) = default;
+    Material(const Material &other) :
-    Material &operator=(const Material &other) = default;
+            mName(other.mName),
+            mDiffuse(other.mDiffuse),
+            mSpecularExponent(other.mSpecularExponent),
+            mShininessStrength(other.mShininessStrength),
+            mSpecular(other.mSpecular),
+            mAmbient(other.mAmbient),
+            mShading(other.mShading),
+            mTransparency(other.mTransparency),
+            sTexDiffuse(other.sTexDiffuse),
+            sTexOpacity(other.sTexOpacity),
+            sTexSpecular(other.sTexSpecular),
+            sTexReflective(other.sTexReflective),
+            sTexBump(other.sTexBump),
+            sTexEmissive(other.sTexEmissive),
+            sTexShininess(other.sTexShininess),
+            mBumpHeight(other.mBumpHeight),
+            mEmissive(other.mEmissive),
+            sTexAmbient(other.sTexAmbient),
+            mTwoSided(other.mTwoSided) {
+        // empty
+
+    }
 
     //! Move constructor. This is explicitly written because MSVC doesn't support defaulting it
-    Material(Material &&other) AI_NO_EXCEPT
+    Material(Material &&other) AI_NO_EXCEPT :
-            : mName(std::move(other.mName)),
+            mName(std::move(other.mName)),
             mDiffuse(std::move(other.mDiffuse)),
             mSpecularExponent(std::move(other.mSpecularExponent)),
             mShininessStrength(std::move(other.mShininessStrength)),
@@ -465,6 +486,7 @@ struct Material {
             mEmissive(std::move(other.mEmissive)),
             sTexAmbient(std::move(other.sTexAmbient)),
             mTwoSided(std::move(other.mTwoSided)) {
+        // empty
     }
 
     Material &operator=(Material &&other) AI_NO_EXCEPT {

code/3DS/3DSLoader.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -72,7 +70,6 @@ static const aiImporterDesc desc = {
 	"3ds prj"
 };
 
-
 // ------------------------------------------------------------------------------------------------
 // Begins a new parsing block
 // - Reads the current chunk and validates it
@@ -141,15 +138,13 @@ bool Discreet3DSImporter::CanRead( const std::string& pFile, IOSystem* pIOHandle
 
 // ------------------------------------------------------------------------------------------------
 // Loader registry entry
-const aiImporterDesc* Discreet3DSImporter::GetInfo () const
+const aiImporterDesc* Discreet3DSImporter::GetInfo () const {
-{
     return &desc;
 }
 
 // ------------------------------------------------------------------------------------------------
 // Setup configuration properties
-void Discreet3DSImporter::SetupProperties(const Importer* /*pImp*/)
+void Discreet3DSImporter::SetupProperties(const Importer* /*pImp*/) {
-{
     // nothing to be done for the moment
 }
 
@@ -200,7 +195,7 @@ void Discreet3DSImporter::InternReadFile( const std::string& pFile,
         ComputeNormalsWithSmoothingsGroups<D3DS::Face>(mesh);
     }
 
-    // Replace all occurences of the default material with a
+    // Replace all occurrences of the default material with a
     // valid material. Generate it if no material containing
     // DEFAULT in its name has been found in the file
     ReplaceDefaultMaterial();
@@ -227,8 +222,7 @@ void Discreet3DSImporter::InternReadFile( const std::string& pFile,
 
 // ------------------------------------------------------------------------------------------------
 // Applies a master-scaling factor to the imported scene
-void Discreet3DSImporter::ApplyMasterScale(aiScene* pScene)
+void Discreet3DSImporter::ApplyMasterScale(aiScene* pScene) {
-{
     // There are some 3DS files with a zero scaling factor
     if (!mMasterScale)mMasterScale = 1.0f;
     else mMasterScale = 1.0f / mMasterScale;
@@ -1084,7 +1078,7 @@ void Discreet3DSImporter::ParseMeshChunk()
         mMesh.mFaceMaterials.resize(mMesh.mFaces.size(),0xcdcdcdcd);
 
         // Larger 3DS files could have multiple FACE chunks here
-        chunkSize = stream->GetRemainingSizeToLimit();
+        chunkSize = (int)stream->GetRemainingSizeToLimit();
         if ( chunkSize > (int) sizeof(Discreet3DS::Chunk ) )
             ParseFaceChunk();
         }

code/3DS/3DSLoader.h

@@ -65,15 +65,11 @@ using namespace D3DS;
 // ---------------------------------------------------------------------------------
 /** Importer class for 3D Studio r3 and r4 3DS files
  */
-class Discreet3DSImporter : public BaseImporter
+class Discreet3DSImporter : public BaseImporter {
-{
 public:
-
     Discreet3DSImporter();
     ~Discreet3DSImporter();
 
-public:
-
     // -------------------------------------------------------------------
     /** Returns whether the class can handle the format of the given file.
      * See BaseImporter::CanRead() for details.

code/Assjson/cencode.c

@@ -9,6 +9,9 @@ For details, see http://sourceforge.net/projects/libb64
 
 const int CHARS_PER_LINE = 72;
 
+#pragma warning(push)
+#pragma warning(disable : 4244)
+
 void base64_init_encodestate(base64_encodestate* state_in)
 {
 	state_in->step = step_A;
@@ -107,3 +110,4 @@ int base64_encode_blockend(char* code_out, base64_encodestate* state_in)
 	return (int)(codechar - code_out);
 }
 
+#pragma warning(pop)

code/Blender/BlenderLoader.cpp

@@ -206,7 +206,7 @@ void BlenderImporter::InternReadFile( const std::string& pFile,
         inflateInit2(&zstream, 16+MAX_WBITS);
 
         zstream.next_in   = reinterpret_cast<Bytef*>( reader->GetPtr() );
-        zstream.avail_in  = reader->GetRemainingSize();
+        zstream.avail_in  = (uInt) reader->GetRemainingSize();
 
         size_t total = 0l;
 

code/CSM/CSMLoader.cpp

@@ -178,7 +178,7 @@ void CSMImporter::InternReadFile( const std::string& pFile,
                         *ot++ = *buffer++;
 
                     *ot = '\0';
-                    nda->mNodeName.length = (ai_uint32)(ot-nda->mNodeName.data);
+                    nda->mNodeName.length = static_cast<ai_uint32>(ot-nda->mNodeName.data);
                 }
 
                 anim->mNumChannels = static_cast<unsigned int>(anims_temp.size());

code/Common/Exporter.cpp

@@ -83,32 +83,61 @@ namespace Assimp {
 void GetPostProcessingStepInstanceList(std::vector< BaseProcess* >& out);
 
 // ------------------------------------------------------------------------------------------------
-// Exporter worker function prototypes. Should not be necessary to #ifndef them, it's just a prototype
+// Exporter worker function prototypes. Do not use const, because some exporter need to convert 
-// do not use const, because some exporter need to convert the scene temporary
+// the scene temporary
+#ifndef ASSIMP_BUILD_NO_COLLADA_EXPORTER
 void ExportSceneCollada(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_X_EXPORTER
 void ExportSceneXFile(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_STEP_EXPORTER
 void ExportSceneStep(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_OBJ_EXPORTER
 void ExportSceneObj(const char*,IOSystem*, const aiScene*, const ExportProperties*);
 void ExportSceneObjNoMtl(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_STL_EXPORTER
 void ExportSceneSTL(const char*,IOSystem*, const aiScene*, const ExportProperties*);
 void ExportSceneSTLBinary(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_PLY_EXPORTER
 void ExportScenePly(const char*,IOSystem*, const aiScene*, const ExportProperties*);
 void ExportScenePlyBinary(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_3DS_EXPORTER
 void ExportScene3DS(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_GLTF_EXPORTER
 void ExportSceneGLTF(const char*, IOSystem*, const aiScene*, const ExportProperties*);
 void ExportSceneGLB(const char*, IOSystem*, const aiScene*, const ExportProperties*);
 void ExportSceneGLTF2(const char*, IOSystem*, const aiScene*, const ExportProperties*);
 void ExportSceneGLB2(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_ASSBIN_EXPORTER
 void ExportSceneAssbin(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_ASSXML_EXPORTER
 void ExportSceneAssxml(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_X3D_EXPORTER
 void ExportSceneX3D(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
 void ExportSceneFBX(const char*, IOSystem*, const aiScene*, const ExportProperties*);
 void ExportSceneFBXA(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_3MF_EXPORTER
 void ExportScene3MF( const char*, IOSystem*, const aiScene*, const ExportProperties* );
+#endif
+#ifndef ASSIMP_BUILD_NO_M3D_EXPORTER
 void ExportSceneM3D(const char*, IOSystem*, const aiScene*, const ExportProperties*);
 void ExportSceneM3DA(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+#endif
+#ifndef ASSIMP_BUILD_NO_ASSJSON_EXPORTER
 void ExportAssimp2Json(const char* , IOSystem*, const aiScene* , const Assimp::ExportProperties*);
-
+#endif
 
 static void setupExporterArray(std::vector<Exporter::ExportFormatEntry> &exporters) {
 #ifndef ASSIMP_BUILD_NO_COLLADA_EXPORTER

code/Irr/IRRLoader.cpp

@@ -1483,6 +1483,7 @@ void IRRImporter::InternReadFile( const std::string& pFile,
      */
 
     delete root;
+	delete reader;
 }
 
 #endif // !! ASSIMP_BUILD_NO_IRR_IMPORTER

code/M3D/M3DExporter.cpp

@@ -312,7 +312,9 @@ void ExportSceneM3DA(
 M3DExporter::M3DExporter(const aiScene *pScene, const ExportProperties *pProperties) :
         mScene(pScene),
         mProperties(pProperties),
-        outfile() {}
+        outfile() {
+    // empty
+}
 
 // ------------------------------------------------------------------------------------------------
 void M3DExporter::doExport(
@@ -352,6 +354,9 @@ void M3DExporter::doExport(
     // explicitly release file pointer,
     // so we don't have to rely on class destruction.
     outfile.reset();
+
+    M3D_FREE(m3d->name);
+    m3d->name = nullptr;
 }
 
 // ------------------------------------------------------------------------------------------------

code/M3D/M3DWrapper.cpp

@@ -121,8 +121,9 @@ M3DWrapper::~M3DWrapper() {
 
 void M3DWrapper::reset() {
     ClearSave();
-	if (m3d_)
+    if (m3d_) {
         m3d_free(m3d_);
+    }
     m3d_ = nullptr;
 }
 

code/M3D/m3d.h

@@ -5440,13 +5440,13 @@ unsigned char *m3d_save(m3d_t *model, int quality, int flags, unsigned int *size
                         out += 2;
                         break;
                     case 4:
-                        *((float *)out) = vrtx[i].data.x;
+                        memcpy(out, &vrtx[i].data.x, sizeof(float));
                         out += 4;
-                        *((float *)out) = vrtx[i].data.y;
+                        memcpy(out, &vrtx[i].data.y, sizeof(float));
                         out += 4;
-                        *((float *)out) = vrtx[i].data.z;
+                        memcpy(out, &vrtx[i].data.z, sizeof(float));
                         out += 4;
-                        *((float *)out) = vrtx[i].data.w;
+                        memcpy(out, &vrtx[i].data.w, sizeof(float));
                         out += 4;
                         break;
                     case 8:
@@ -5474,9 +5474,11 @@ unsigned char *m3d_save(m3d_t *model, int quality, int flags, unsigned int *size
                 }
                 out = _m3d_addidx(out, sk_s, vrtx[i].data.skinid);
             }
-            *length = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
+            uint32_t v = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
+            memcpy(length, &v, sizeof(uint32_t));
+            //*length = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
             out = NULL;
-            len += *length;
+            len += v;
         }
         /* bones chunk */
         if (model->numbone && model->bone && !(flags & M3D_EXP_NOBONE)) {
@@ -5660,8 +5662,9 @@ unsigned char *m3d_save(m3d_t *model, int quality, int flags, unsigned int *size
                         out = _m3d_addidx(out, vi_s, vrtxidx[face[i].data.normal[j]]);
                 }
             }
-            *length = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
+            uint32_t v = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
-            len += *length;
+            memcpy(length, &v, sizeof(uint32_t));
+            len += v;
             out = NULL;
         }
         /* mathematical shapes face */
@@ -5721,8 +5724,9 @@ unsigned char *m3d_save(m3d_t *model, int quality, int flags, unsigned int *size
                         }
                     }
                 }
-                *length = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
+                uint32_t v = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
-                len += *length;
+                memcpy( length, &v, sizeof(uint32_t));
+                len += v;
                 out = NULL;
             }
         }
@@ -5765,8 +5769,9 @@ unsigned char *m3d_save(m3d_t *model, int quality, int flags, unsigned int *size
                 out = _m3d_addidx(out, si_s, _m3d_stridx(str, numstr, model->label[l].text));
             }
             if (length) {
-                *length = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
+                uint32_t v = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
-                len += *length;
+                memcpy( length, &v, sizeof(uint32_t));                
+                len += v;
             }
             out = NULL;
             sn = sl = NULL;
@@ -5796,8 +5801,9 @@ unsigned char *m3d_save(m3d_t *model, int quality, int flags, unsigned int *size
                         out = _m3d_addidx(out, vi_s, vrtxidx[a->frame[i].transform[k].ori]);
                     }
                 }
-                *length = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
+                uint32_t v = (uint32_t)((uintptr_t)out - (uintptr_t)((uint8_t *)h + len));
-                len += *length;
+                memcpy( length, &v, sizeof(uint32_t));                
+                len += v;
                 out = NULL;
             }
         }

code/Material/MaterialSystem.cpp

@@ -503,7 +503,7 @@ aiReturn aiMaterial::AddBinaryProperty (const void* pInput,
     pcNew->mData = new char[pSizeInBytes];
     memcpy (pcNew->mData,pInput,pSizeInBytes);
 
-    pcNew->mKey.length = (ai_uint32)::strlen(pKey);
+    pcNew->mKey.length = static_cast<ai_uint32>( ::strlen(pKey) );
     ai_assert ( MAXLEN > pcNew->mKey.length);
     strcpy( pcNew->mKey.data, pKey );
 

code/Q3BSP/Q3BSPFileImporter.cpp

@@ -617,7 +617,7 @@ bool Q3BSPFileImporter::importTextureFromArchive( const Q3BSP::Q3BSPModel *model
             // We'll leave it up to the user to figure out which extension the file has.
             aiString name;
             strncpy( name.data, pTexture->strName, sizeof name.data );
-            name.length = (ai_uint32)strlen( name.data );
+            name.length = static_cast<ai_uint32>(strlen( name.data ));
             pMatHelper->AddProperty( &name, AI_MATKEY_TEXTURE_DIFFUSE( 0 ) );
         }
     }

code/SMD/SMDLoader.cpp

@@ -616,7 +616,7 @@ void SMDImporter::CreateOutputMaterials() {
         if (aszTextures[iMat].length())
         {
             ::strncpy(szName.data, aszTextures[iMat].c_str(),MAXLEN-1);
-            szName.length = (ai_uint32)aszTextures[iMat].length();
+            szName.length = static_cast<ai_uint32>( aszTextures[iMat].length() );
             pcMat->AddProperty(&szName,AI_MATKEY_TEXTURE_DIFFUSE(0));
         }
     }

code/Terragen/TerragenLoader.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -43,17 +41,15 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 /** @file Implementation of the Terragen importer class */
 
-
-
 #ifndef ASSIMP_BUILD_NO_TERRAGEN_IMPORTER
 
 #include "TerragenLoader.h"
 #include <assimp/StreamReader.h>
-#include <assimp/Importer.hpp>
+#include <assimp/importerdesc.h>
-#include <assimp/IOSystem.hpp>
 #include <assimp/scene.h>
 #include <assimp/DefaultLogger.hpp>
-#include <assimp/importerdesc.h>
+#include <assimp/IOSystem.hpp>
+#include <assimp/Importer.hpp>
 
 using namespace Assimp;
 
@@ -72,19 +68,16 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-TerragenImporter::TerragenImporter()
+TerragenImporter::TerragenImporter() :
-: configComputeUVs (false)
+        configComputeUVs(false) {}
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-TerragenImporter::~TerragenImporter()
+TerragenImporter::~TerragenImporter() {}
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool TerragenImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const
+bool TerragenImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const {
-{
     // check file extension
     std::string extension = GetExtension(pFile);
 
@@ -105,15 +98,13 @@ bool TerragenImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler,
 
 // ------------------------------------------------------------------------------------------------
 // Build a string of all file extensions supported
-const aiImporterDesc* TerragenImporter::GetInfo () const
+const aiImporterDesc *TerragenImporter::GetInfo() const {
-{
     return &desc;
 }
 
 // ------------------------------------------------------------------------------------------------
 // Setup import properties
-void TerragenImporter::SetupProperties(const Importer* pImp)
+void TerragenImporter::SetupProperties(const Importer *pImp) {
-{
     // AI_CONFIG_IMPORT_TER_MAKE_UVS
     configComputeUVs = (0 != pImp->GetPropertyInteger(AI_CONFIG_IMPORT_TER_MAKE_UVS, 0));
 }
@@ -121,8 +112,7 @@ void TerragenImporter::SetupProperties(const Importer* pImp)
 // ------------------------------------------------------------------------------------------------
 // Imports the given file into the given scene structure.
 void TerragenImporter::InternReadFile(const std::string &pFile,
-    aiScene* pScene, IOSystem* pIOHandler)
+        aiScene *pScene, IOSystem *pIOHandler) {
-{
     IOStream *file = pIOHandler->Open(pFile, "rb");
 
     // Check whether we can read from the file
@@ -151,8 +141,7 @@ void TerragenImporter::InternReadFile( const std::string& pFile,
 
     // Now read all chunks until we're finished or an EOF marker is encountered
     reader.IncPtr(16);
-    while (reader.GetRemainingSize() >= 4)
+    while (reader.GetRemainingSize() >= 4) {
-    {
         const char *head = (const char *)reader.GetPtr();
         reader.IncPtr(4);
 
@@ -161,42 +150,35 @@ void TerragenImporter::InternReadFile( const std::string& pFile,
             break;
 
         // Number of x-data points
-        if (!::strncmp(head,AI_TERR_CHUNK_XPTS,4))
+        if (!::strncmp(head, AI_TERR_CHUNK_XPTS, 4)) {
-        {
             x = (uint16_t)reader.GetI2();
         }
         // Number of y-data points
-        else if (!::strncmp(head,AI_TERR_CHUNK_YPTS,4))
+        else if (!::strncmp(head, AI_TERR_CHUNK_YPTS, 4)) {
-        {
             y = (uint16_t)reader.GetI2();
         }
         // Squared terrains width-1.
-        else if (!::strncmp(head,AI_TERR_CHUNK_SIZE,4))
+        else if (!::strncmp(head, AI_TERR_CHUNK_SIZE, 4)) {
-        {
             x = y = (uint16_t)reader.GetI2() + 1;
         }
         // terrain scaling
-        else if (!::strncmp(head,AI_TERR_CHUNK_SCAL,4))
+        else if (!::strncmp(head, AI_TERR_CHUNK_SCAL, 4)) {
-        {
             root->mTransformation.a1 = reader.GetF4();
             root->mTransformation.b2 = reader.GetF4();
             root->mTransformation.c3 = reader.GetF4();
         }
         // mapping == 1: earth radius
-        else if (!::strncmp(head,AI_TERR_CHUNK_CRAD,4))
+        else if (!::strncmp(head, AI_TERR_CHUNK_CRAD, 4)) {
-        {
             reader.GetF4();
         }
         // mapping mode
-        else if (!::strncmp(head,AI_TERR_CHUNK_CRVM,4))
+        else if (!::strncmp(head, AI_TERR_CHUNK_CRVM, 4)) {
-        {
             mode = reader.GetI1();
             if (0 != mode)
                 ASSIMP_LOG_ERROR("TER: Unsupported mapping mode, a flat terrain is returned");
         }
         // actual terrain data
-        else if (!::strncmp(head,AI_TERR_CHUNK_ALTW,4))
+        else if (!::strncmp(head, AI_TERR_CHUNK_ALTW, 4)) {
-        {
             float hscale = (float)reader.GetI2() / 65536;
             float bheight = (float)reader.GetI2();
 
@@ -247,8 +229,10 @@ void TerragenImporter::InternReadFile( const std::string& pFile,
 
                     // make indices
                     f->mIndices = new unsigned int[f->mNumIndices = 4];
-                    for (unsigned int i = 0; i < 4;++i)
+                    for (unsigned int i = 0; i < 4; ++i) {
-                        f->mIndices[i] = t++;
+                        f->mIndices[i] = t;
+                        t++;
+                    }
                 }
             }
 

code/Terragen/TerragenLoader.h

@@ -4,7 +4,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -69,21 +68,17 @@ namespace Assimp    {
  *  The loader is basing on the information found here:
  *  http://www.planetside.co.uk/terragen/dev/tgterrain.html#chunks
 */
-class TerragenImporter : public BaseImporter
+class TerragenImporter : public BaseImporter {
-{
 public:
     TerragenImporter();
     ~TerragenImporter();
 
-
 public:
-
     // -------------------------------------------------------------------
     bool CanRead(const std::string &pFile, IOSystem *pIOHandler,
             bool checkSig) const;
 
 protected:
-
     // -------------------------------------------------------------------
     const aiImporterDesc *GetInfo() const;
 
@@ -95,7 +90,6 @@ protected:
     void SetupProperties(const Importer *pImp);
 
 private:
-
     bool configComputeUVs;
 
 }; //! class TerragenImporter

code/Unreal/UnrealLoader.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -48,26 +46,112 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *    http://local.wasp.uwa.edu.au/~pbourke/dataformats/unreal/
  */
 
-
-
 #ifndef ASSIMP_BUILD_NO_3D_IMPORTER
 
 #include "Unreal/UnrealLoader.h"
 #include "PostProcessing/ConvertToLHProcess.h"
 
-#include <assimp/StreamReader.h>
 #include <assimp/ParsingUtils.h>
+#include <assimp/StreamReader.h>
 #include <assimp/fast_atof.h>
-#include <assimp/Importer.hpp>
+#include <assimp/importerdesc.h>
+#include <assimp/scene.h>
 #include <assimp/DefaultLogger.hpp>
 #include <assimp/IOSystem.hpp>
-#include <assimp/scene.h>
+#include <assimp/Importer.hpp>
-#include <assimp/importerdesc.h>
 
+#include <stdint.h>
 #include <memory>
 
 using namespace Assimp;
 
+namespace Unreal {
+
+/*
+    0 = Normal one-sided
+    1 = Normal two-sided
+    2 = Translucent two-sided
+    3 = Masked two-sided
+    4 = Modulation blended two-sided
+    8 = Placeholder triangle for weapon positioning (invisible)
+    */
+enum MeshFlags {
+    MF_NORMAL_OS = 0,
+    MF_NORMAL_TS = 1,
+    MF_NORMAL_TRANS_TS = 2,
+    MF_NORMAL_MASKED_TS = 3,
+    MF_NORMAL_MOD_TS = 4,
+    MF_WEAPON_PLACEHOLDER = 8
+};
+
+// a single triangle
+struct Triangle {
+    uint16_t mVertex[3]; // Vertex indices
+    char mType; // James' Mesh Type
+    char mColor; // Color for flat and Gourand Shaded
+    unsigned char mTex[3][2]; // Texture UV coordinates
+    unsigned char mTextureNum; // Source texture offset
+    char mFlags; // Unreal Mesh Flags (unused)
+    unsigned int matIndex;
+};
+
+// temporary representation for a material
+struct TempMat {
+    TempMat() :
+            type(MF_NORMAL_OS), tex(), numFaces(0) {}
+
+    explicit TempMat(const Triangle &in) :
+            type((Unreal::MeshFlags)in.mType), tex(in.mTextureNum), numFaces(0) {}
+
+    // type of mesh
+    Unreal::MeshFlags type;
+
+    // index of texture
+    unsigned int tex;
+
+    // number of faces using us
+    unsigned int numFaces;
+
+    // for std::find
+    bool operator==(const TempMat &o) {
+        return (tex == o.tex && type == o.type);
+    }
+};
+
+struct Vertex {
+    int32_t X : 11;
+    int32_t Y : 11;
+    int32_t Z : 10;
+};
+
+// UNREAL vertex compression
+inline void CompressVertex(const aiVector3D &v, uint32_t &out) {
+    union {
+        Vertex n;
+        int32_t t;
+    };
+    t = 0;
+    n.X = (int32_t)v.x;
+    n.Y = (int32_t)v.y;
+    n.Z = (int32_t)v.z;
+    ::memcpy(&out, &t, sizeof(int32_t));
+}
+
+// UNREAL vertex decompression
+inline void DecompressVertex(aiVector3D &v, int32_t in) {
+    union {
+        Vertex n;
+        int32_t i;
+    };
+    i = in;
+
+    v.x = (float)n.X;
+    v.y = (float)n.Y;
+    v.z = (float)n.Z;
+}
+
+} // end namespace Unreal
+
 static const aiImporterDesc desc = {
     "Unreal Mesh Importer",
     "",
@@ -81,54 +165,46 @@ static const aiImporterDesc desc = {
     "3d uc"
 };
 
-
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-UnrealImporter::UnrealImporter()
+UnrealImporter::UnrealImporter() :
-:   configFrameID   (0)
+        mConfigFrameID(0), mConfigHandleFlags(true) {}
-,   configHandleFlags (true)
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-UnrealImporter::~UnrealImporter()
+UnrealImporter::~UnrealImporter() {}
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool UnrealImporter::CanRead( const std::string& pFile, IOSystem* /*pIOHandler*/, bool /*checkSig*/) const
+bool UnrealImporter::CanRead(const std::string &pFile, IOSystem * /*pIOHandler*/, bool /*checkSig*/) const {
-{
     return SimpleExtensionCheck(pFile, "3d", "uc");
 }
 
 // ------------------------------------------------------------------------------------------------
 // Build a string of all file extensions supported
-const aiImporterDesc* UnrealImporter::GetInfo () const
+const aiImporterDesc *UnrealImporter::GetInfo() const {
-{
     return &desc;
 }
 
 // ------------------------------------------------------------------------------------------------
 // Setup configuration properties for the loader
-void UnrealImporter::SetupProperties(const Importer* pImp)
+void UnrealImporter::SetupProperties(const Importer *pImp) {
-{
     // The
     // AI_CONFIG_IMPORT_UNREAL_KEYFRAME option overrides the
     // AI_CONFIG_IMPORT_GLOBAL_KEYFRAME option.
-    configFrameID = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_UNREAL_KEYFRAME,-1);
+    mConfigFrameID = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_UNREAL_KEYFRAME, -1);
-    if(static_cast<unsigned int>(-1) == configFrameID)  {
+    if (static_cast<unsigned int>(-1) == mConfigFrameID) {
-        configFrameID = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_GLOBAL_KEYFRAME,0);
+        mConfigFrameID = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_GLOBAL_KEYFRAME, 0);
     }
 
     // AI_CONFIG_IMPORT_UNREAL_HANDLE_FLAGS, default is true
-    configHandleFlags = (0 != pImp->GetPropertyInteger(AI_CONFIG_IMPORT_UNREAL_HANDLE_FLAGS,1));
+    mConfigHandleFlags = (0 != pImp->GetPropertyInteger(AI_CONFIG_IMPORT_UNREAL_HANDLE_FLAGS, 1));
 }
 
 // ------------------------------------------------------------------------------------------------
 // Imports the given file into the given scene structure.
 void UnrealImporter::InternReadFile(const std::string &pFile,
-    aiScene* pScene, IOSystem* pIOHandler)
+        aiScene *pScene, IOSystem *pIOHandler) {
-{
     // For any of the 3 files being passed get the three correct paths
     // First of all, determine file extension
     std::string::size_type pos = pFile.find_last_of('.');
@@ -143,8 +219,7 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
             throw DeadlyImportError("UNREAL: Unexpected naming scheme");
         }
         extension = pFile.substr(0, pos);
-    }
+    } else {
-    else {
         extension = pFile.substr(0, pos);
     }
 
@@ -186,7 +261,7 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
         tri.mType = d_reader.GetI1();
 
         // handle mesh flagss?
-        if (configHandleFlags)
+        if (mConfigHandleFlags)
             tri.mType = Unreal::MF_NORMAL_OS;
         else {
             // ignore MOD and MASKED for the moment, treat them as two-sided
@@ -211,7 +286,7 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
 
     // read number of frames
     const uint32_t numFrames = a_reader.GetI2();
-    if (configFrameID >= numFrames) {
+    if (mConfigFrameID >= numFrames) {
         throw DeadlyImportError("UNREAL: The requested frame does not exist");
     }
 
@@ -220,7 +295,7 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
         throw DeadlyImportError("UNREAL: Unexpected aniv file length");
 
     // skip to our frame
-    a_reader.IncPtr(configFrameID *numVert*4);
+    a_reader.IncPtr(mConfigFrameID * numVert * 4);
 
     // collect vertices
     std::vector<aiVector3D> vertices(numVert);
@@ -261,12 +336,13 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
                         for (; !IsLineEnd(*data); ++data) {
                             if (!::ASSIMP_strincmp(data, "NAME=", 5)) {
                                 const char *d = data += 5;
-                                for (;!IsSpaceOrNewLine(*data);++data);
+                                for (; !IsSpaceOrNewLine(*data); ++data)
+                                    ;
                                 me.first = std::string(d, (size_t)(data - d));
-                            }
+                            } else if (!::ASSIMP_strincmp(data, "FILE=", 5)) {
-                            else if (!::ASSIMP_strincmp(data,"FILE=",5))    {
                                 const char *d = data += 5;
-                                for (;!IsSpaceOrNewLine(*data);++data);
+                                for (; !IsSpaceOrNewLine(*data); ++data)
+                                    ;
                                 me.second = std::string(d, (size_t)(data - d));
                             }
                         }
@@ -288,11 +364,11 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
                             if (!::ASSIMP_strincmp(data, "NUM=", 4)) {
                                 data += 4;
                                 me.first = strtoul10(data, &data);
-                            }
+                            } else if (!::ASSIMP_strincmp(data, "TEXTURE=", 8)) {
-                            else if (!::ASSIMP_strincmp(data,"TEXTURE=",8)) {
                                 data += 8;
                                 const char *d = data;
-                                for (;!IsSpaceOrNewLine(*data);++data);
+                                for (; !IsSpaceOrNewLine(*data); ++data)
+                                    ;
                                 me.second = std::string(d, (size_t)(data - d));
 
                                 // try to find matching path names, doesn't care if we don't find them
@@ -305,17 +381,14 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
                                 }
                             }
                         }
-                    }
+                    } else if (TokenMatchI(data, "SCALE", 5)) {
-                    else if (TokenMatchI(data,"SCALE",5)) {
 
                         for (; !IsLineEnd(*data); ++data) {
                             if (data[0] == 'X' && data[1] == '=') {
                                 data = fast_atoreal_move<float>(data + 2, (float &)nd->mTransformation.a1);
-                            }
+                            } else if (data[0] == 'Y' && data[1] == '=') {
-                            else if (data[0] == 'Y' && data[1] == '=')  {
                                 data = fast_atoreal_move<float>(data + 2, (float &)nd->mTransformation.b2);
-                            }
+                            } else if (data[0] == 'Z' && data[1] == '=') {
-                            else if (data[0] == 'Z' && data[1] == '=')  {
                                 data = fast_atoreal_move<float>(data + 2, (float &)nd->mTransformation.c3);
                             }
                         }
@@ -323,8 +396,7 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
                 }
             }
         }
-    }
+    } else {
-    else    {
         ASSIMP_LOG_ERROR("Unable to open .uc file");
     }
 
@@ -342,8 +414,7 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
             materials.push_back(mat);
 
             ++pScene->mNumMeshes;
-        }
+        } else {
-        else {
             tri.matIndex = static_cast<unsigned int>(nt - materials.begin());
             ++nt->numFaces;
         }
@@ -385,16 +456,16 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
             const int twosided = 1;
             mat->AddProperty(&twosided, 1, AI_MATKEY_TWOSIDED);
             ::strcat(s.data, "ts_");
-        }
+        } else
-        else ::strcat(s.data,"os_");
+            ::strcat(s.data, "os_");
 
         // make TRANS faces 90% opaque that RemRedundantMaterials won't catch us
         if (materials[i].type == Unreal::MF_NORMAL_TRANS_TS) {
             const float opac = 0.9f;
             mat->AddProperty(&opac, 1, AI_MATKEY_OPACITY);
             ::strcat(s.data, "tran_");
-        }
+        } else
-        else ::strcat(s.data,"opaq_");
+            ::strcat(s.data, "opaq_");
 
         // a special name for the weapon attachment point
         if (materials[i].type == Unreal::MF_WEAPON_PLACEHOLDER) {
@@ -404,7 +475,7 @@ void UnrealImporter::InternReadFile( const std::string& pFile,
 
         // set color and name
         mat->AddProperty(&color, 1, AI_MATKEY_COLOR_DIFFUSE);
-        s.length = (ai_uint32)::strlen(s.data);
+        s.length = static_cast<ai_uint32>(::strlen(s.data));
         mat->AddProperty(&s, AI_MATKEY_NAME);
 
         // set texture, if any

code/Unreal/UnrealLoader.h

@@ -4,7 +4,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -47,118 +46,17 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define INCLUDED_AI_3D_LOADER_H
 
 #include <assimp/BaseImporter.h>
-#include <stdint.h>
 
 namespace Assimp {
-namespace Unreal {
-
-    /*
-    0 = Normal one-sided
-    1 = Normal two-sided
-    2 = Translucent two-sided
-    3 = Masked two-sided
-    4 = Modulation blended two-sided
-    8 = Placeholder triangle for weapon positioning (invisible)
-    */
-enum MeshFlags {
-    MF_NORMAL_OS            = 0,
-    MF_NORMAL_TS            = 1,
-    MF_NORMAL_TRANS_TS      = 2,
-    MF_NORMAL_MASKED_TS     = 3,
-    MF_NORMAL_MOD_TS        = 4,
-    MF_WEAPON_PLACEHOLDER   = 8
-};
-
-    // a single triangle
-struct Triangle {
-   uint16_t mVertex[3];       // Vertex indices
-   char mType;                // James' Mesh Type
-   char mColor;               // Color for flat and Gourand Shaded
-   unsigned char mTex[3][2];  // Texture UV coordinates
-   unsigned char mTextureNum; // Source texture offset
-   char mFlags;               // Unreal Mesh Flags (unused)
-
-   unsigned int matIndex;
-};
-
-// temporary representation for a material
-struct TempMat  {
-    TempMat()
-        :   type()
-        ,   tex()
-        ,   numFaces    (0)
-    {}
-
-    explicit TempMat(const Triangle& in)
-        :   type        ((Unreal::MeshFlags)in.mType)
-        ,   tex         (in.mTextureNum)
-        ,   numFaces    (0)
-    {}
-
-    // type of mesh
-    Unreal::MeshFlags type;
-
-    // index of texture
-    unsigned int tex;
-
-    // number of faces using us
-    unsigned int numFaces;
-
-    // for std::find
-    bool operator == (const TempMat& o )    {
-        return (tex == o.tex && type == o.type);
-    }
-};
-
-struct Vertex
-{
-    int32_t X : 11;
-    int32_t Y : 11;
-    int32_t Z : 10;
-};
-
-    // UNREAL vertex compression
-inline void CompressVertex(const aiVector3D& v, uint32_t& out)
-{
-    union {
-        Vertex n;
-        int32_t t;
-    };
-    n.X = (int32_t)v.x;
-    n.Y = (int32_t)v.y;
-    n.Z = (int32_t)v.z;
-    ::memcpy( &out, &t, sizeof(int32_t));
-    //out = t;
-}
-
-    // UNREAL vertex decompression
-inline void DecompressVertex(aiVector3D& v, int32_t in)
-{
-    union {
-        Vertex n;
-        int32_t i;
-    };
-    i = in;
-
-    v.x = (float)n.X;
-    v.y = (float)n.Y;
-    v.z = (float)n.Z;
-}
-
-} // end namespace Unreal
 
 // ---------------------------------------------------------------------------
 /** @brief Importer class to load UNREAL files (*.3d)
 */
-class UnrealImporter : public BaseImporter
+class UnrealImporter : public BaseImporter {
-{
 public:
     UnrealImporter();
     ~UnrealImporter();
 
-
-public:
-
     // -------------------------------------------------------------------
     /** @brief Returns whether we can handle the format of the given file
      *
@@ -168,7 +66,6 @@ public:
             bool checkSig) const;
 
 protected:
-
     // -------------------------------------------------------------------
     /** @brief Called by Importer::GetExtensionList()
      *
@@ -176,7 +73,6 @@ protected:
      */
     const aiImporterDesc *GetInfo() const;
 
-
     // -------------------------------------------------------------------
     /** @brief Setup properties for the importer
      *
@@ -184,7 +80,6 @@ protected:
      */
     void SetupProperties(const Importer *pImp);
 
-
     // -------------------------------------------------------------------
     /** @brief Imports the given file into the given scene structure.
      *
@@ -194,14 +89,14 @@ protected:
             IOSystem *pIOHandler);
 
 private:
-
     //! frame to be loaded
-    uint32_t configFrameID;
+    uint32_t mConfigFrameID;
 
     //! process surface flags
-    bool configHandleFlags;
+    bool mConfigHandleFlags;
 
 }; // !class UnrealImporter
 
 } // end of namespace Assimp
+
 #endif // AI_UNREALIMPORTER_H_INC

code/XGL/XGLLoader.cpp

@@ -176,7 +176,7 @@ void XGLImporter::InternReadFile( const std::string& pFile,
         raw_reader->IncPtr(2);
 
         zstream.next_in   = reinterpret_cast<Bytef*>( raw_reader->GetPtr() );
-        zstream.avail_in  = raw_reader->GetRemainingSize();
+        zstream.avail_in  = (uInt) raw_reader->GetRemainingSize();
 
         size_t total = 0l;
 

code/glTF2/glTF2Asset.h

@@ -381,7 +381,7 @@ struct Accessor : public Object {
     inline uint8_t *GetPointer();
 
     template<class T>
-    bool ExtractData(T *&outData);
+    void ExtractData(T *&outData);
 
     void WriteData(size_t count, const void *src_buffer, size_t src_stride);
 

code/glTF2/glTF2Asset.inl

@@ -621,9 +621,12 @@ inline void CopyData(size_t count,
 } // namespace
 
 template<class T>
-bool Accessor::ExtractData(T *&outData) {
+void Accessor::ExtractData(T *&outData)
+{
     uint8_t* data = GetPointer();
-    if (!data) return false;
+    if (!data) {
+        throw DeadlyImportError("GLTF: data is NULL");
+    }
 
     const size_t elemSize = GetElementSize();
     const size_t totalSize = elemSize * count;
@@ -643,8 +646,6 @@ bool Accessor::ExtractData(T *&outData) {
             memcpy(outData + i, data + i * stride, elemSize);
         }
     }
-
-    return true;
 }
 
 inline void Accessor::WriteData(size_t _count, const void *src_buffer, size_t src_stride) {

contrib/irrXML/CMakeLists.txt

@@ -15,7 +15,11 @@ if ( MSVC )
 endif ( MSVC )
 
 IF(CMAKE_SYSTEM_NAME MATCHES "(Darwin|FreeBSD)")
+  IF(APPLE)
+    add_library(IrrXML STATIC ${IrrXML_SRCS})
+  ELSE()
     add_library(IrrXML ${IrrXML_SRCS})
+  ENDIF()
 ELSE()
   add_library(IrrXML STATIC ${IrrXML_SRCS})
 ENDIF()

contrib/irrXML/CXMLReaderImpl.h

@@ -8,16 +8,7 @@
 #include "irrXML.h"
 #include "irrString.h"
 #include "irrArray.h"
-
+#include "fast_atof.h"
-#include <cassert>
-#include <stdlib.h>    
-#include <cctype>
-#include <cstdint>
-//using namespace Assimp;
-
-// For locale independent number conversion
-#include <sstream>
-#include <locale>
 
 #ifdef _DEBUG
 #define IRR_DEBUGPRINT(x) printf((x));
@@ -37,14 +28,23 @@ template<class char_type, class superclass>
 class CXMLReaderImpl : public IIrrXMLReader<char_type, superclass>
 {
 public:
-
 	//! Constructor
 	CXMLReaderImpl(IFileReadCallBack* callback, bool deleteCallBack = true) 
-		: TextData(0), P(0), TextBegin(0), TextSize(0), CurrentNodeType(EXN_NONE),
+	: TextData(0)
-		SourceFormat(ETF_ASCII), TargetFormat(ETF_ASCII)
+	, P(0)
-	{
+	, TextBegin(0)
-		if (!callback)
+	, TextSize(0)
+	, CurrentNodeType(EXN_NONE)
+	, SourceFormat(ETF_ASCII)
+	, TargetFormat(ETF_ASCII)
+	, NodeName ()
+	, EmptyString()
+	, IsEmptyElement(false)
+	, SpecialCharacters()
+	, Attributes() {
+		if (!callback) {
 			return;
+		}
 
 		storeTargetFormat();
 
@@ -168,8 +168,7 @@ public:
 			return 0;
 
 		core::stringc c = attr->Value.c_str();
-        return static_cast<float>(atof(c.c_str()));
+		return core::fast_atof(c.c_str());
-        //return fast_atof(c.c_str());
 	}
 
 
@@ -181,11 +180,7 @@ public:
 			return 0;
 
 		core::stringc c = attrvalue;
-		std::istringstream sstr(c.c_str());
+		return core::fast_atof(c.c_str());
-		sstr.imbue(std::locale("C")); // Locale free number convert
-		float fNum;
-		sstr >> fNum;
-		return fNum;
 	}
 
 
@@ -228,7 +223,7 @@ private:
 	{
 		char_type* start = P;
 
-		// move forward until '<' found
+		// more forward until '<' found
 		while(*P != L'<' && *P)
 			++P;
 
@@ -438,10 +433,6 @@ private:
 		while(*P != L'>')
 			++P;
 
-    // remove trailing whitespace, if any
-    while( std::isspace( P[-1]))
-      --P;
-
 		NodeName = core::string<char_type>(pBeginClose, (int)(P - pBeginClose));
 		++P;
 	}
@@ -676,12 +667,8 @@ private:
 
 			TextData = new char_type[sizeWithoutHeader];
 
-			// MSVC debugger complains here about loss of data ...
-			size_t numShift = sizeof( char_type) * 8;
-			assert(numShift < 64);
-			const src_char_type cc = (src_char_type)(((uint64_t(1u) << numShift) - 1));
 			for (int i=0; i<sizeWithoutHeader; ++i)
-				TextData[i] = char_type( source[i] & cc); 
+				TextData[i] = (char_type)source[i];
 
 			TextBegin = TextData;
 			TextSize = sizeWithoutHeader;

contrib/irrXML/fast_atof.h

@@ -0,0 +1,139 @@
+// Copyright (C) 2002-2005 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine" and the "irrXML" project.
+// For conditions of distribution and use, see copyright notice in irrlicht.h and irrXML.h
+
+#ifndef __FAST_A_TO_F_H_INCLUDED__
+#define __FAST_A_TO_F_H_INCLUDED__
+
+#include <stdlib.h>
+#include <math.h>
+
+namespace irr
+{
+namespace core
+{
+
+const float fast_atof_table[] =	{
+										0.f,
+										0.1f,
+										0.01f,
+										0.001f,
+										0.0001f,
+										0.00001f,
+										0.000001f,
+										0.0000001f,
+										0.00000001f,
+										0.000000001f,
+										0.0000000001f,
+										0.00000000001f,
+										0.000000000001f,
+										0.0000000000001f,
+										0.00000000000001f,
+										0.000000000000001f
+									};
+
+//! Provides a fast function for converting a string into a float,
+//! about 6 times faster than atof in win32.
+// If you find any bugs, please send them to me, niko (at) irrlicht3d.org.
+inline char* fast_atof_move(char* c, float& out)
+{
+	bool inv = false;
+	char *t;
+	float f;
+
+	if (*c=='-')
+	{
+		c++;
+		inv = true;
+	}
+
+	f = (float)strtol(c, &t, 10);
+
+	c = t;
+
+	if (*c == '.')
+	{
+		c++;
+
+		float pl = (float)strtol(c, &t, 10);
+		pl *= fast_atof_table[t-c];
+
+		f += pl;
+
+		c = t;
+
+		if (*c == 'e')
+		{
+			++c;
+			float exp = (float)strtol(c, &t, 10);
+			f *= (float)pow(10.0f, exp);
+			c = t;
+		}
+	}
+
+	if (inv)
+		f *= -1.0f;
+	
+	out = f;
+	return c;
+}
+
+//! Provides a fast function for converting a string into a float,
+//! about 6 times faster than atof in win32.
+// If you find any bugs, please send them to me, niko (at) irrlicht3d.org.
+inline const char* fast_atof_move_const(const char* c, float& out)
+{
+	bool inv = false;
+	char *t;
+	float f;
+
+	if (*c=='-')
+	{
+		c++;
+		inv = true;
+	}
+
+	f = (float)strtol(c, &t, 10);
+
+	c = t;
+
+	if (*c == '.')
+	{
+		c++;
+
+		float pl = (float)strtol(c, &t, 10);
+		pl *= fast_atof_table[t-c];
+
+		f += pl;
+
+		c = t;
+
+		if (*c == 'e') 
+		{ 
+			++c; 
+			f32 exp = (f32)strtol(c, &t, 10); 
+			f *= (f32)powf(10.0f, exp); 
+			c = t; 
+		}
+	}
+
+	if (inv)
+		f *= -1.0f;
+	
+	out = f;
+	return c;
+}
+
+
+inline float fast_atof(const char* c)
+{
+	float ret;
+	fast_atof_move_const(c, ret);
+	return ret;
+}
+
+} // end namespace core
+}// end namespace irr
+
+#endif
+

contrib/irrXML/irrArray.h

@@ -21,6 +21,7 @@ class array
 {
 
 public:
+
 	array()
 		: data(0), allocated(0), used(0),
 			free_when_destroyed(true), is_sorted(true)

contrib/irrXML/irrTypes.h

@@ -79,13 +79,8 @@ typedef unsigned short wchar_t;
 #endif // microsoft compiler
 
 //! define a break macro for debugging only in Win32 mode.
-// WORKAROUND (assimp): remove __asm
+#if !defined(_WIN64) && defined(WIN32) && defined(_MSC_VER) && defined(_DEBUG)
-#if defined(WIN32) && defined(_MSC_VER) && defined(_DEBUG)
+#define _IRR_DEBUG_BREAK_IF( _CONDITION_ ) if (_CONDITION_) {_asm int 3}
-#if defined(_M_IX86)
-#define _IRR_DEBUG_BREAK_IF( _CONDITION_ ) /*if (_CONDITION_) {_asm int 3}*/
-#else
-#define _IRR_DEBUG_BREAK_IF( _CONDITION_ )
-#endif
 #else 
 #define _IRR_DEBUG_BREAK_IF( _CONDITION_ )
 #endif
@@ -96,10 +91,8 @@ When you call unmanaged code that returns a bool type value of false from manage
 the return value may appear as true. See 
 http://support.microsoft.com/default.aspx?kbid=823071 for details. 
 Compiler version defines: VC6.0 : 1200, VC7.0 : 1300, VC7.1 : 1310, VC8.0 : 1400*/
-
+#if !defined(_WIN64) && defined(WIN32) && defined(_MSC_VER) && (_MSC_VER > 1299) && (_MSC_VER < 1400)
-// WORKAROUND (assimp): remove __asm 
+#define _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX __asm mov eax,100
-#if defined(WIN32) && defined(_MSC_VER) && (_MSC_VER > 1299) && (_MSC_VER < 1400)
-#define _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX /*__asm mov eax,100*/
 #else
 #define _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX
 #endif // _IRR_MANAGED_MARSHALLING_BUGFIX

contrib/irrXML/irrXML.cpp

@@ -2,14 +2,10 @@
 // This file is part of the "Irrlicht Engine" and the "irrXML" project.
 // For conditions of distribution and use, see copyright notice in irrlicht.h and/or irrXML.h
 
-// Need to include Assimp, too. We're using Assimp's version of fast_atof
-// so we need stdint.h. But no PCH.
-
-
 #include "irrXML.h"
 #include "irrString.h"
 #include "irrArray.h"
-//#include <assimp/fast_atof.h>
+#include "fast_atof.h"
 #include "CXMLReaderImpl.h"
 
 namespace irr
@@ -18,7 +14,7 @@ namespace io
 {
 
 //! Implementation of the file read callback for ordinary files
-class IRRXML_API CFileReadCallBack : public IFileReadCallBack
+class CFileReadCallBack : public IFileReadCallBack
 {
 public:
 

contrib/irrXML/irrXML.h

@@ -7,12 +7,6 @@
 
 #include <stdio.h>
 
-#ifdef _WIN32
-#   define IRRXML_API __declspec(dllexport)
-#else
-#   define IRRXML_API __attribute__ ((visibility("default")))
-#endif // _WIN32
-
 /** \mainpage irrXML 1.2 API documentation
  <div align="center"><img src="logobig.png" ></div>
 
@@ -178,7 +172,7 @@ namespace io
 		ETF_UTF32_BE,
 
 		//! UTF-32 format, little endian
-		ETF_UTF32_LE
+		ETF_UTF32_LE,
 	};
 
 
@@ -215,7 +209,7 @@ namespace io
 	two methods to read your data and give a pointer to an instance of
 	your implementation when calling createIrrXMLReader(), 
 	createIrrXMLReaderUTF16() or createIrrXMLReaderUTF32() */
-	class IRRXML_API IFileReadCallBack
+	class IFileReadCallBack
 	{
 	public:
 
@@ -415,7 +409,7 @@ namespace io
 	\return Returns a pointer to the created xml parser. This pointer should be 
 	deleted using 'delete' after no longer needed. Returns 0 if an error occured
 	and the file could not be opened. */
-    IRRXML_API IrrXMLReader* createIrrXMLReader(const char* filename);
+	IrrXMLReader* createIrrXMLReader(const char* filename);
 
 	//! Creates an instance of an UFT-8 or ASCII character xml parser.
 	/** This means that all character data will be returned in 8 bit ASCII or UTF-8. The file to read can 
@@ -427,7 +421,7 @@ namespace io
 	\return Returns a pointer to the created xml parser. This pointer should be 
 	deleted using 'delete' after no longer needed. Returns 0 if an error occured
 	and the file could not be opened. */
-    IRRXML_API IrrXMLReader* createIrrXMLReader(FILE* file);
+	IrrXMLReader* createIrrXMLReader(FILE* file);
 
 	//! Creates an instance of an UFT-8 or ASCII character xml parser. 
 	/** This means that all character data will be returned in 8 bit ASCII or UTF-8. The file to read can 
@@ -440,7 +434,7 @@ namespace io
 	 \return Returns a pointer to the created xml parser. This pointer should be 
 	 deleted using 'delete' after no longer needed. Returns 0 if an error occured
 	 and the file could not be opened. */
-    IRRXML_API IrrXMLReader* createIrrXMLReader(IFileReadCallBack* callback);
+	IrrXMLReader* createIrrXMLReader(IFileReadCallBack* callback);
 
 	//! Creates an instance of an UFT-16 xml parser. 
 	/** This means that
@@ -452,7 +446,7 @@ namespace io
 	\return Returns a pointer to the created xml parser. This pointer should be 
 	deleted using 'delete' after no longer needed. Returns 0 if an error occured
 	and the file could not be opened. */
-    IRRXML_API IrrXMLReaderUTF16* createIrrXMLReaderUTF16(const char* filename);
+	IrrXMLReaderUTF16* createIrrXMLReaderUTF16(const char* filename);
 
 	//! Creates an instance of an UFT-16 xml parser. 
 	/** This means that all character data will be returned in UTF-16. The file to read can 
@@ -464,7 +458,7 @@ namespace io
 	\return Returns a pointer to the created xml parser. This pointer should be 
 	deleted using 'delete' after no longer needed. Returns 0 if an error occured
 	and the file could not be opened. */
-    IRRXML_API IrrXMLReaderUTF16* createIrrXMLReaderUTF16(FILE* file);
+	IrrXMLReaderUTF16* createIrrXMLReaderUTF16(FILE* file);
 
 	//! Creates an instance of an UFT-16 xml parser. 
 	/** This means that all character data will be returned in UTF-16. The file to read can 
@@ -477,7 +471,7 @@ namespace io
 	\return Returns a pointer to the created xml parser. This pointer should be 
 	deleted using 'delete' after no longer needed. Returns 0 if an error occured
 	and the file could not be opened. */
-    IRRXML_API IrrXMLReaderUTF16* createIrrXMLReaderUTF16(IFileReadCallBack* callback);
+	IrrXMLReaderUTF16* createIrrXMLReaderUTF16(IFileReadCallBack* callback);
 
 
 	//! Creates an instance of an UFT-32 xml parser. 
@@ -489,7 +483,7 @@ namespace io
 	\return Returns a pointer to the created xml parser. This pointer should be 
 	deleted using 'delete' after no longer needed. Returns 0 if an error occured
 	and the file could not be opened. */
-    IRRXML_API IrrXMLReaderUTF32* createIrrXMLReaderUTF32(const char* filename);
+	IrrXMLReaderUTF32* createIrrXMLReaderUTF32(const char* filename);
 
 	//! Creates an instance of an UFT-32 xml parser. 
 	/** This means that all character data will be returned in UTF-32. The file to read can 
@@ -501,7 +495,7 @@ namespace io
 	\return Returns a pointer to the created xml parser. This pointer should be 
 	deleted using 'delete' after no longer needed. Returns 0 if an error occured
 	and the file could not be opened. */
-    IRRXML_API IrrXMLReaderUTF32* createIrrXMLReaderUTF32(FILE* file);
+	IrrXMLReaderUTF32* createIrrXMLReaderUTF32(FILE* file);
 
 	//! Creates an instance of an UFT-32 xml parser. 
 	/** This means that
@@ -515,7 +509,7 @@ namespace io
 	\return Returns a pointer to the created xml parser. This pointer should be 
 	deleted using 'delete' after no longer needed. Returns 0 if an error occured
 	and the file could not be opened. */
-    IRRXML_API IrrXMLReaderUTF32* createIrrXMLReaderUTF32(IFileReadCallBack* callback);
+	IrrXMLReaderUTF32* createIrrXMLReaderUTF32(IFileReadCallBack* callback);
 	
 
 	/*! \file irrxml.h

include/assimp/MathFunctions.h

@@ -55,36 +55,51 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 namespace Assimp {
 namespace Math {
 
-// TODO: use binary GCD for unsigned integers ....
+/// @brief  Will return the greatest common divisor.
+/// @param  a   [in] Value a.
+/// @param  b   [in] Value b.
+/// @return The greatest common divisor.
 template <typename IntegerType>
-inline
+inline IntegerType gcd( IntegerType a, IntegerType b ) {
-IntegerType gcd( IntegerType a, IntegerType b ) {
 	const IntegerType zero = (IntegerType)0;
 	while ( true ) {
-		if ( a == zero )
+		if ( a == zero ) {
 			return b;
+        }
 		b %= a;
 
-		if ( b == zero )
+		if ( b == zero ) {
 			return a;
+        }
 		a %= b;
 	}
 }
 
+/// @brief  Will return the greatest common divisor.
+/// @param  a   [in] Value a.
+/// @param  b   [in] Value b.
+/// @return The greatest common divisor.
 template < typename IntegerType >
-inline
+inline IntegerType lcm( IntegerType a, IntegerType b ) {
-IntegerType lcm( IntegerType a, IntegerType b ) {
 	const IntegerType t = gcd (a,b);
-	if (!t)
+	if (!t) {
         return t;
+    }
 	return a / t * b;
 }
-
+/// @brief  Will return the smallest epsilon-value for the requested type. 
+/// @return The numercical limit epsilon depending on its type.
 template<class T>
-inline
+inline T getEpsilon() {
-T getEpsilon() {
     return std::numeric_limits<T>::epsilon();
 }
 
+/// @brief  Will return the constant PI for the requested type.
+/// @return Pi
+template<class T>
+inline T PI() {
+    return static_cast<T>(3.14159265358979323846);
 }
-}
+
+} // namespace Math
+} // namespace Assimp

include/assimp/StreamReader.h

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -52,10 +50,10 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #pragma GCC system_header
 #endif
 
-#include <assimp/IOStream.hpp>
-#include <assimp/Defines.h>
 #include <assimp/ByteSwapper.h>
+#include <assimp/Defines.h>
 #include <assimp/Exceptional.h>
+#include <assimp/IOStream.hpp>
 
 #include <memory>
 
@@ -74,10 +72,8 @@ namespace Assimp {
 template <bool SwapEndianess = false, bool RuntimeSwitch = false>
 class StreamReader {
 public:
-    // FIXME: use these data types throughout the whole library,
+    using diff = size_t;
-    // then change them to 64 bit values :-)
+    using pos = size_t;
-    using diff = int;
-    using pos  = unsigned int;
 
     // ---------------------------------------------------------------------
     /** Construction from a given stream with a well-defined endianness.
@@ -91,39 +87,44 @@ public:
      *    stream is in little endian byte order. Otherwise the
      *    endianness information is contained in the @c SwapEndianess
      *    template parameter and this parameter is meaningless.  */
-    StreamReader(std::shared_ptr<IOStream> stream, bool le = false)
+    StreamReader(std::shared_ptr<IOStream> stream, bool le = false) :
-        : stream(stream)
+            mStream(stream),
-        , le(le)
+            mBuffer(nullptr),
-    {
+            mCurrent(nullptr),
+            mEnd(nullptr),
+            mLimit(nullptr),
+            mLe(le) {
         ai_assert(stream);
         InternBegin();
     }
 
     // ---------------------------------------------------------------------
-    StreamReader(IOStream* stream, bool le = false)
+    StreamReader(IOStream *stream, bool le = false) :
-        : stream(std::shared_ptr<IOStream>(stream))
+            mStream(std::shared_ptr<IOStream>(stream)),
-        , le(le)
+            mBuffer(nullptr),
-    {
+            mCurrent(nullptr),
-        ai_assert(stream);
+            mEnd(nullptr),
+            mLimit(nullptr),
+            mLe(le) {
+        ai_assert(nullptr != stream);
         InternBegin();
     }
 
     // ---------------------------------------------------------------------
     ~StreamReader() {
-        delete[] buffer;
+        delete[] mBuffer;
     }
 
     // deprecated, use overloaded operator>> instead
 
     // ---------------------------------------------------------------------
-    /** Read a float from the stream  */
+    /// Read a float from the stream.
-    float GetF4()
+    float GetF4() {
-    {
         return Get<float>();
     }
 
     // ---------------------------------------------------------------------
-    /** Read a double from the stream  */
+    /// Read a double from the stream.
     double GetF8() {
         return Get<double>();
     }
@@ -159,42 +160,42 @@ public:
     }
 
     // ---------------------------------------------------------------------
-    /** Read a unsigned 8 bit integer from the stream */
+    /// Read a unsigned 8 bit integer from the stream
     uint8_t GetU1() {
         return Get<uint8_t>();
     }
 
     // ---------------------------------------------------------------------
-    /** Read an unsigned 32 bit integer from the stream */
+    /// Read an unsigned 32 bit integer from the stream
     uint32_t GetU4() {
         return Get<uint32_t>();
     }
 
     // ---------------------------------------------------------------------
-    /** Read a unsigned 64 bit integer from the stream */
+    /// Read a unsigned 64 bit integer from the stream
     uint64_t GetU8() {
         return Get<uint64_t>();
     }
 
     // ---------------------------------------------------------------------
-    /** Get the remaining stream size (to the end of the stream) */
+    /// Get the remaining stream size (to the end of the stream)
-    unsigned int GetRemainingSize() const {
+    size_t GetRemainingSize() const {
-        return (unsigned int)(end - current);
+        return (unsigned int)(mEnd - mCurrent);
     }
 
     // ---------------------------------------------------------------------
     /** Get the remaining stream size (to the current read limit). The
      *  return value is the remaining size of the stream if no custom
      *  read limit has been set. */
-    unsigned int GetRemainingSizeToLimit() const {
+    size_t GetRemainingSizeToLimit() const {
-        return (unsigned int)(limit - current);
+        return (unsigned int)(mLimit - mCurrent);
     }
 
     // ---------------------------------------------------------------------
     /** Increase the file pointer (relative seeking)  */
     void IncPtr(intptr_t plus) {
-        current += plus;
+        mCurrent += plus;
-        if (current > limit) {
+        if (mCurrent > mLimit) {
             throw DeadlyImportError("End of file or read limit was reached");
         }
     }
@@ -202,7 +203,7 @@ public:
     // ---------------------------------------------------------------------
     /** Get the current file pointer */
     int8_t *GetPtr() const {
-        return current;
+        return mCurrent;
     }
 
     // ---------------------------------------------------------------------
@@ -212,8 +213,8 @@ public:
      *  @param p The new pointer, which is validated against the size
      *    limit and buffer boundaries. */
     void SetPtr(int8_t *p) {
-        current = p;
+        mCurrent = p;
-        if (current > limit || current < buffer) {
+        if (mCurrent > mLimit || mCurrent < mBuffer) {
             throw DeadlyImportError("End of file or read limit was reached");
         }
     }
@@ -229,14 +230,13 @@ public:
         ::memcpy(out, ur, bytes);
     }
 
-    // ---------------------------------------------------------------------
+    /// @brief Get the current offset from the beginning of the file
-    /** Get the current offset from the beginning of the file */
     int GetCurrentPos() const {
-        return (unsigned int)(current - buffer);
+        return (unsigned int)(mCurrent - mBuffer);
     }
 
     void SetCurrentPos(size_t pos) {
-        SetPtr(buffer + pos);
+        SetPtr(mBuffer + pos);
     }
 
     // ---------------------------------------------------------------------
@@ -249,12 +249,12 @@ public:
     unsigned int SetReadLimit(unsigned int _limit) {
         unsigned int prev = GetReadLimit();
         if (UINT_MAX == _limit) {
-            limit = end;
+            mLimit = mEnd;
             return prev;
         }
 
-        limit = buffer + _limit;
+        mLimit = mBuffer + _limit;
-        if (limit > end) {
+        if (mLimit > mEnd) {
             throw DeadlyImportError("StreamReader: Invalid read limit");
         }
         return prev;
@@ -264,14 +264,14 @@ public:
     /** Get the current read limit in bytes. Reading over this limit
      *  accidentally raises an exception.  */
     unsigned int GetReadLimit() const {
-        return (unsigned int)(limit - buffer);
+        return (unsigned int)(mLimit - mBuffer);
     }
 
     // ---------------------------------------------------------------------
     /** Skip to the read limit in bytes. Reading over this limit
      *  accidentally raises an exception. */
     void SkipToReadLimit() {
-        current = limit;
+        mCurrent = mLimit;
     }
 
     // ---------------------------------------------------------------------
@@ -286,14 +286,14 @@ public:
     /** Generic read method. ByteSwap::Swap(T*) *must* be defined */
     template <typename T>
     T Get() {
-        if ( current + sizeof(T) > limit) {
+        if (mCurrent + sizeof(T) > mLimit) {
             throw DeadlyImportError("End of file or stream limit was reached");
         }
 
         T f;
-        ::memcpy (&f, current, sizeof(T));
+        ::memcpy(&f, mCurrent, sizeof(T));
-        Intern::Getter<SwapEndianess,T,RuntimeSwitch>() (&f,le);
+        Intern::Getter<SwapEndianess, T, RuntimeSwitch>()(&f, mLe);
-        current += sizeof(T);
+        mCurrent += sizeof(T);
 
         return f;
     }
@@ -301,31 +301,29 @@ public:
 private:
     // ---------------------------------------------------------------------
     void InternBegin() {
-        if (!stream) {
+        if (nullptr == mStream) {
-            // in case someone wonders: StreamReader is frequently invoked with
-            // no prior validation whether the input stream is valid. Since
-            // no one bothers changing the error message, this message here
-            // is passed down to the caller and 'unable to open file'
-            // simply describes best what happened.
             throw DeadlyImportError("StreamReader: Unable to open file");
         }
 
-        const size_t s = stream->FileSize() - stream->Tell();
+        const size_t filesize = mStream->FileSize() - mStream->Tell();
-        if (!s) {
+        if (0 == filesize) {
             throw DeadlyImportError("StreamReader: File is empty or EOF is already reached");
         }
 
-        current = buffer = new int8_t[s];
+        mCurrent = mBuffer = new int8_t[filesize];
-        const size_t read = stream->Read(current,1,s);
+        const size_t read = mStream->Read(mCurrent, 1, filesize);
         // (read < s) can only happen if the stream was opened in text mode, in which case FileSize() is not reliable
-        ai_assert(read <= s);
+        ai_assert(read <= filesize);
-        end = limit = &buffer[read-1] + 1;
+        mEnd = mLimit = &mBuffer[read - 1] + 1;
     }
 
 private:
-    std::shared_ptr<IOStream> stream;
+    std::shared_ptr<IOStream> mStream;
-    int8_t *buffer, *current, *end, *limit;
+    int8_t *mBuffer;
-    bool le;
+    int8_t *mCurrent;
+    int8_t *mEnd;
+    int8_t *mLimit;
+    bool mLe;
 };
 
 // --------------------------------------------------------------------------------------------

samples/SimpleOpenGL/CMakeLists.txt

@@ -1,3 +1,5 @@
+SET(SAMPLE_PROJECT_NAME assimp_simpleogl)
+
 FIND_PACKAGE(OpenGL)
 FIND_PACKAGE(GLUT)
 IF ( MSVC )
@@ -16,6 +18,10 @@ IF ( NOT GLUT_FOUND )
   ENDIF ()
 ENDIF ()
 
+# Used for usage and error messages in the program.
+ADD_COMPILE_DEFINITIONS(ASSIMP_VERSION="${ASSIMP_VERSION}")
+ADD_COMPILE_DEFINITIONS(PROJECT_NAME="${SAMPLE_PROJECT_NAME}")
+
 if ( MSVC )
   ADD_DEFINITIONS( -D_SCL_SECURE_NO_WARNINGS )
   ADD_DEFINITIONS( -D_CRT_SECURE_NO_WARNINGS )
@@ -34,17 +40,17 @@ LINK_DIRECTORIES(
   ${Assimp_BINARY_DIR}/lib
 )
 
-ADD_EXECUTABLE( assimp_simpleogl
+ADD_EXECUTABLE( ${SAMPLE_PROJECT_NAME}
   Sample_SimpleOpenGL.c
 )
 
-SET_PROPERTY(TARGET assimp_simpleogl PROPERTY DEBUG_POSTFIX ${CMAKE_DEBUG_POSTFIX})
+SET_PROPERTY(TARGET ${SAMPLE_PROJECT_NAME} PROPERTY DEBUG_POSTFIX ${CMAKE_DEBUG_POSTFIX})
 
-TARGET_LINK_LIBRARIES( assimp_simpleogl assimp ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${M_LIB} )
+TARGET_LINK_LIBRARIES( ${SAMPLE_PROJECT_NAME} assimp ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} ${M_LIB} )
-SET_TARGET_PROPERTIES( assimp_simpleogl PROPERTIES
+SET_TARGET_PROPERTIES( ${SAMPLE_PROJECT_NAME} PROPERTIES
-  OUTPUT_NAME assimp_simpleogl
+  OUTPUT_NAME ${SAMPLE_PROJECT_NAME}
 )
 
-INSTALL( TARGETS assimp_simpleogl
+INSTALL( TARGETS ${SAMPLE_PROJECT_NAME}
   DESTINATION "${ASSIMP_BIN_INSTALL_DIR}" COMPONENT assimp-dev
 )

samples/SimpleOpenGL/Sample_SimpleOpenGL.c

@@ -15,9 +15,9 @@
 #include <stdio.h>
 
 #ifdef __APPLE__
-#include <glut.h>
+#include <freeglut.h>
 #else
-#include <GL/glut.h>
+#include <GL/freeglut.h>
 #endif
 
 /* assimp include files. These three are usually needed. */
@@ -25,6 +25,39 @@
 #include <assimp/scene.h>
 #include <assimp/postprocess.h>
 
+#define COMMAND_USAGE "--usage"
+
+/* ---------------------------------------------------------------------------- */
+inline static void print_run_command(const char* command_name) {
+	printf("Run '%s %s' for more information.\n", 
+		PROJECT_NAME, command_name);
+}
+
+/* ---------------------------------------------------------------------------- */
+inline static void print_error(const char* msg) {
+	printf("ERROR: %s\n", msg);
+}
+
+#define NEW_LINE "\n"
+#define DOUBLE_NEW_LINE NEW_LINE NEW_LINE
+
+/* ---------------------------------------------------------------------------- */
+inline static void print_usage() {
+	static const char* usage_format = 
+		"Usage: "
+		PROJECT_NAME
+		" <file>"	 DOUBLE_NEW_LINE
+		"where:"	 DOUBLE_NEW_LINE
+		"  %-10s %s" DOUBLE_NEW_LINE
+		"options:"	 DOUBLE_NEW_LINE
+		"  %-10s %s" DOUBLE_NEW_LINE;
+	printf(usage_format,
+		// where
+		"file", "The input model file to load.",
+		// options
+		COMMAND_USAGE, "Display usage.");
+}
+
 /* the global Assimp scene object */
 const C_STRUCT aiScene* scene = NULL;
 GLuint scene_list = 0;
@@ -245,7 +278,7 @@ void do_motion (void)
 	static int frames = 0;
 
 	int time = glutGet(GLUT_ELAPSED_TIME);
-	angle += (time-prev_time)*0.01f;
+	angle += static_cast<float>((time-prev_time)*0.01);
 	prev_time = time;
 
 	frames += 1;
@@ -324,12 +357,42 @@ int loadasset (const char* path)
 /* ---------------------------------------------------------------------------- */
 int main(int argc, char **argv)
 {
+	const char* model_file = NULL;
 	C_STRUCT aiLogStream stream;
 
+	if (argc < 2) {
+		print_error("No input model file specifed.");
+		print_run_command(COMMAND_USAGE);
+		return EXIT_FAILURE;
+	}
+
+	// Find and execute available commands entered by the user.
+	for (int i = 1; i < argc; ++i) {
+		if (!strncmp(argv[i], COMMAND_USAGE, strlen(COMMAND_USAGE))) {
+			print_usage();
+			return EXIT_SUCCESS;
+		}
+	}
+
+	// Check and validate the specified model file extension.
+	model_file = argv[1];
+	const char* extension = strchr(model_file, '.');
+	if (!extension) {
+		print_error("Please provide a file with a valid extension.");
+		return EXIT_FAILURE;
+	}
+
+	if (AI_FALSE == aiIsExtensionSupported(extension)) {
+		print_error("The specified model file extension is currently "
+			"unsupported in Assimp " ASSIMP_VERSION ".");
+		return EXIT_FAILURE;
+	}
+
 	glutInitWindowSize(900,600);
 	glutInitWindowPosition(100,100);
 	glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
 	glutInit(&argc, argv);
+	glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_GLUTMAINLOOP_RETURNS);
 
 	glutCreateWindow("Assimp - Very simple OpenGL sample");
 	glutDisplayFunc(display);
@@ -346,14 +409,11 @@ int main(int argc, char **argv)
 	stream = aiGetPredefinedLogStream(aiDefaultLogStream_FILE,"assimp_log.txt");
 	aiAttachLogStream(&stream);
 
-	/* the model name can be specified on the command line. If none
+	// Load the model file.
-	  is specified, we try to locate one of the more expressive test
+	if(0 != loadasset(model_file)) {
-	  models from the repository (/models-nonbsd may be missing in
+		print_error("Failed to load model. Please ensure that the specified file exists.");
-	  some distributions so we need a fallback from /models!). */
+		aiDetachAllLogStreams();
-	if( 0 != loadasset( argc >= 2 ? argv[1] : "../../test/models-nonbsd/X/dwarf.x")) {
+		return EXIT_FAILURE;
-		if( argc != 1 || (0 != loadasset( "../../../../test/models-nonbsd/X/dwarf.x") && 0 != loadasset( "../../test/models/X/Testwuson.X"))) {
-			return -1;
-		}
 	}
 
 	glClearColor(0.1f,0.1f,0.1f,1.f);
@@ -384,5 +444,5 @@ int main(int argc, char **argv)
 	   again. This will definitely release the last resources allocated
 	   by Assimp.*/
 	aiDetachAllLogStreams();
-	return 0;
+	return EXIT_SUCCESS;
 }

test/CMakeLists.txt

@@ -61,6 +61,14 @@ SET( COMMON
   unit/utIssues.cpp
   unit/utAnim.cpp
   unit/AssimpAPITest.cpp
+  unit/AssimpAPITest_aiMatrix3x3.cpp
+  unit/AssimpAPITest_aiMatrix4x4.cpp
+  unit/AssimpAPITest_aiQuaternion.cpp
+  unit/AssimpAPITest_aiVector2D.cpp
+  unit/AssimpAPITest_aiVector3D.cpp
+  unit/MathTest.cpp
+  unit/MathTest.h
+  unit/RandomNumberGeneration.h
   unit/utBatchLoader.cpp
   unit/utDefaultIOStream.cpp
   unit/utFastAtof.cpp
@@ -76,10 +84,12 @@ SET( COMMON
   unit/utProfiler.cpp
   unit/utSharedPPData.cpp
   unit/utStringUtils.cpp
+  unit/Common/uiScene.cpp
   unit/Common/utLineSplitter.cpp
 )
 
 SET( IMPORTERS
+  unit/ImportExport/Assxml/utAssxmlImportExport.cpp
   unit/utLWSImportExport.cpp
   unit/utLWOImportExport.cpp
   unit/utSMDImportExport.cpp
@@ -136,6 +146,9 @@ SET( IMPORTERS
   unit/ImportExport/MDL/utMDLImporter_HL1_ImportSettings.cpp
   unit/ImportExport/MDL/utMDLImporter_HL1_Materials.cpp
   unit/ImportExport/MDL/utMDLImporter_HL1_Nodes.cpp
+  #unit/ImportExport/IRR/utIrrImportExport.cpp
+  unit/ImportExport/RAW/utRAWImportExport.cpp
+  unit/ImportExport/Terragen/utTerragenImportExport.cpp
 )
 
 SET( MATERIAL

test/unit/AssimpAPITest_aiMatrix3x3.cpp

@@ -0,0 +1,151 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+#include "UnitTestPCH.h"
+#include "MathTest.h"
+
+using namespace Assimp;
+
+class AssimpAPITest_aiMatrix3x3 : public AssimpMathTest {
+protected:
+    virtual void SetUp() {
+        result_c = result_cpp = aiMatrix3x3();
+    }
+
+    aiMatrix3x3 result_c, result_cpp;
+};
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiIdentityMatrix3Test) {
+    // Force a non-identity matrix.
+    result_c = aiMatrix3x3(0,0,0,0,0,0,0,0,0);
+    aiIdentityMatrix3(&result_c);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3FromMatrix4Test) {
+    const auto m = random_mat4();
+    result_cpp = aiMatrix3x3(m);
+    aiMatrix3FromMatrix4(&result_c, &m);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3FromQuaternionTest) {
+    const auto q = random_quat();
+    result_cpp = q.GetMatrix();
+    aiMatrix3FromQuaternion(&result_c, &q);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3AreEqualTest) {
+    result_c = result_cpp = random_mat3();
+    EXPECT_EQ(result_cpp == result_c,
+        (bool)aiMatrix3AreEqual(&result_cpp, &result_c));
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3AreEqualEpsilonTest) {
+    result_c = result_cpp = random_mat3();
+    EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
+        (bool)aiMatrix3AreEqualEpsilon(&result_cpp, &result_c, Epsilon));
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMultiplyMatrix3Test) {
+    const auto m = random_mat3();
+    result_c = result_cpp = random_mat3();
+    result_cpp *= m;
+    aiMultiplyMatrix3(&result_c, &m);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiTransposeMatrix3Test) {
+    result_c = result_cpp = random_mat3();
+    result_cpp.Transpose();
+    aiTransposeMatrix3(&result_c);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3InverseTest) {
+    // Use a predetermined matrix to prevent arbitrary
+    // cases where it could have a null determinant.
+    result_c = result_cpp = aiMatrix3x3(
+        5, 2, 7,
+        4, 6, 9,
+        1, 8, 3);
+    result_cpp.Inverse();
+    aiMatrix3Inverse(&result_c);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3DeterminantTest) {
+    result_c = result_cpp = random_mat3();
+    EXPECT_EQ(result_cpp.Determinant(),
+        aiMatrix3Determinant(&result_c));
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3RotationZTest) {
+    const float angle(RandPI.next());
+    aiMatrix3x3::RotationZ(angle, result_cpp);
+    aiMatrix3RotationZ(&result_c, angle);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3FromRotationAroundAxisTest) {
+    const float angle(RandPI.next());
+    const auto axis = random_unit_vec3();
+    aiMatrix3x3::Rotation(angle, axis, result_cpp);
+    aiMatrix3FromRotationAroundAxis(&result_c, &axis, angle);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3TranslationTest) {
+    const auto axis = random_vec2();
+    aiMatrix3x3::Translation(axis, result_cpp);
+    aiMatrix3Translation(&result_c, &axis);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3FromToTest) {
+    // Use predetermined vectors to prevent running into division by zero.
+    const auto from = aiVector3D(1,2,1).Normalize(), to = aiVector3D(-1,1,1).Normalize();
+    aiMatrix3x3::FromToMatrix(from, to, result_cpp);
+    aiMatrix3FromTo(&result_c, &from, &to);
+    EXPECT_EQ(result_cpp, result_c);
+}

test/unit/AssimpAPITest_aiMatrix4x4.cpp

@@ -0,0 +1,259 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+#include "UnitTestPCH.h"
+#include "MathTest.h"
+
+using namespace Assimp;
+
+class AssimpAPITest_aiMatrix4x4 : public AssimpMathTest {
+protected:
+    virtual void SetUp() {
+        result_c = result_cpp = aiMatrix4x4();
+    }
+
+    /* Generates a predetermined transformation matrix to use
+       for the aiDecompose functions to prevent running into
+       division by zero. */
+    aiMatrix4x4 get_predetermined_transformation_matrix_for_decomposition() const {
+        aiMatrix4x4 t, r;
+        aiMatrix4x4::Translation(aiVector3D(14,-25,-8), t);
+        aiMatrix4x4::Rotation(Math::PI<float>() / 4.0f, aiVector3D(1).Normalize(), r);
+        return t * r;
+    }
+
+    aiMatrix4x4 result_c, result_cpp;
+};
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiIdentityMatrix4Test) {
+    // Force a non-identity matrix.
+    result_c = aiMatrix4x4(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);
+    aiIdentityMatrix4(&result_c);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromMatrix3Test) {
+    aiMatrix3x3 m = random_mat3();
+    result_cpp = aiMatrix4x4(m);
+    aiMatrix4FromMatrix3(&result_c, &m);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromScalingQuaternionPositionTest) {
+    const aiVector3D s = random_vec3();
+    const aiQuaternion q = random_quat();
+    const aiVector3D t = random_vec3();
+    result_cpp = aiMatrix4x4(s, q, t);
+    aiMatrix4FromScalingQuaternionPosition(&result_c, &s, &q, &t);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4AddTest) {
+    const aiMatrix4x4 temp = random_mat4();
+    result_c = result_cpp = random_mat4();
+    result_cpp = result_cpp + temp;
+    aiMatrix4Add(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4AreEqualTest) {
+    result_c = result_cpp = random_mat4();
+    EXPECT_EQ(result_cpp == result_c,
+        (bool)aiMatrix4AreEqual(&result_cpp, &result_c));
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4AreEqualEpsilonTest) {
+    result_c = result_cpp = random_mat4();
+    EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
+        (bool)aiMatrix4AreEqualEpsilon(&result_cpp, &result_c, Epsilon));
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMultiplyMatrix4Test) {
+    const auto m = random_mat4();
+    result_c = result_cpp = random_mat4();
+    result_cpp *= m;
+    aiMultiplyMatrix4(&result_c, &m);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiTransposeMatrix4Test) {
+    result_c = result_cpp = random_mat4();
+    result_cpp.Transpose();
+    aiTransposeMatrix4(&result_c);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4InverseTest) {
+    // Use a predetermined matrix to prevent arbitrary
+    // cases where it could have a null determinant.
+    result_c = result_cpp = aiMatrix4x4(
+        6, 10, 15, 3,
+        14, 2, 12, 8,
+        9, 13, 5, 16,
+        4, 7, 11, 1);
+    result_cpp.Inverse();
+    aiMatrix4Inverse(&result_c);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4DeterminantTest) {
+    result_c = result_cpp = random_mat4();
+    EXPECT_EQ(result_cpp.Determinant(),
+        aiMatrix4Determinant(&result_c));
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4IsIdentityTest) {
+    EXPECT_EQ(result_cpp.IsIdentity(),
+        (bool)aiMatrix4IsIdentity(&result_c));
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiDecomposeMatrixTest) {
+    aiVector3D scaling_c, scaling_cpp,
+        position_c, position_cpp;
+    aiQuaternion rotation_c, rotation_cpp;
+
+    result_c = result_cpp = get_predetermined_transformation_matrix_for_decomposition();
+    result_cpp.Decompose(scaling_cpp, rotation_cpp, position_cpp);
+    aiDecomposeMatrix(&result_c, &scaling_c, &rotation_c, &position_c);
+    EXPECT_EQ(scaling_cpp, scaling_c);
+    EXPECT_EQ(position_cpp, position_c);
+    EXPECT_EQ(rotation_cpp, rotation_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4DecomposeIntoScalingEulerAnglesPositionTest) {
+    aiVector3D scaling_c, scaling_cpp,
+        rotation_c, rotation_cpp,
+        position_c, position_cpp;
+
+    result_c = result_cpp = get_predetermined_transformation_matrix_for_decomposition();
+    result_cpp.Decompose(scaling_cpp, rotation_cpp, position_cpp);
+    aiMatrix4DecomposeIntoScalingEulerAnglesPosition(&result_c, &scaling_c, &rotation_c, &position_c);
+    EXPECT_EQ(scaling_cpp, scaling_c);
+    EXPECT_EQ(position_cpp, position_c);
+    EXPECT_EQ(rotation_cpp, rotation_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4DecomposeIntoScalingAxisAnglePositionTest) {
+    aiVector3D scaling_c, scaling_cpp,
+        axis_c, axis_cpp,
+        position_c, position_cpp;
+    float angle_c, angle_cpp;
+
+    result_c = result_cpp = get_predetermined_transformation_matrix_for_decomposition();
+    result_cpp.Decompose(scaling_cpp, axis_cpp, angle_cpp, position_cpp);
+    aiMatrix4DecomposeIntoScalingAxisAnglePosition(&result_c, &scaling_c, &axis_c, &angle_c, &position_c);
+    EXPECT_EQ(scaling_cpp, scaling_c);
+    EXPECT_EQ(axis_cpp, axis_c);
+    EXPECT_EQ(angle_cpp, angle_c);
+    EXPECT_EQ(position_cpp, position_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4DecomposeNoScalingTest) {
+    aiVector3D position_c, position_cpp;
+    aiQuaternion rotation_c, rotation_cpp;
+
+    result_c = result_cpp = get_predetermined_transformation_matrix_for_decomposition();
+    result_cpp.DecomposeNoScaling(rotation_cpp, position_cpp);
+    aiMatrix4DecomposeNoScaling(&result_c, &rotation_c, &position_c);
+    EXPECT_EQ(position_cpp, position_c);
+    EXPECT_EQ(rotation_cpp, rotation_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromEulerAnglesTest) {
+    const float x(RandPI.next()),
+        y(RandPI.next()),
+        z(RandPI.next());
+    result_cpp.FromEulerAnglesXYZ(x, y, z);
+    aiMatrix4FromEulerAngles(&result_c, x, y, z);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4RotationXTest) {
+    const float angle(RandPI.next());
+    aiMatrix4x4::RotationX(angle, result_cpp);
+    aiMatrix4RotationX(&result_c, angle);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4RotationYTest) {
+    const float angle(RandPI.next());
+    aiMatrix4x4::RotationY(angle, result_cpp);
+    aiMatrix4RotationY(&result_c, angle);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4RotationZTest) {
+    const float angle(RandPI.next());
+    aiMatrix4x4::RotationZ(angle, result_cpp);
+    aiMatrix4RotationZ(&result_c, angle);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromRotationAroundAxisTest) {
+    const float angle(RandPI.next());
+    const auto axis = random_unit_vec3();
+    aiMatrix4x4::Rotation(angle, axis, result_cpp);
+    aiMatrix4FromRotationAroundAxis(&result_c, &axis, angle);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4TranslationTest) {
+    const auto axis = random_vec3();
+    aiMatrix4x4::Translation(axis, result_cpp);
+    aiMatrix4Translation(&result_c, &axis);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4ScalingTest) {
+    const auto scaling = random_vec3();
+    aiMatrix4x4::Scaling(scaling, result_cpp);
+    aiMatrix4Scaling(&result_c, &scaling);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromToTest) {
+    // Use predetermined vectors to prevent running into division by zero.
+    const auto from = aiVector3D(1,2,1).Normalize(), to = aiVector3D(-1,1,1).Normalize();
+    aiMatrix4x4::FromToMatrix(from, to, result_cpp);
+    aiMatrix4FromTo(&result_c, &from, &to);
+    EXPECT_EQ(result_cpp, result_c);
+}

test/unit/AssimpAPITest_aiQuaternion.cpp

@@ -0,0 +1,135 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+#include "UnitTestPCH.h"
+#include "MathTest.h"
+
+using namespace Assimp;
+
+class AssimpAPITest_aiQuaternion : public AssimpMathTest {
+protected:
+    virtual void SetUp() {
+        result_c = result_cpp = aiQuaternion();
+    }
+
+    aiQuaternion result_c, result_cpp;
+};
+
+TEST_F(AssimpAPITest_aiQuaternion, aiCreateQuaternionFromMatrixTest) {
+    // Use a predetermined transformation matrix
+    // to prevent running into division by zero.
+    aiMatrix3x3 m, r;
+    aiMatrix3x3::Translation(aiVector2D(14,-25), m);
+    aiMatrix3x3::RotationZ(Math::PI<float>() / 4.0f, r);
+    m = m * r;
+
+    result_cpp = aiQuaternion(m);
+    aiCreateQuaternionFromMatrix(&result_c, &m);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionFromEulerAnglesTest) {
+    const float x(RandPI.next()),
+        y(RandPI.next()),
+        z(RandPI.next());
+    result_cpp = aiQuaternion(x, y, z);
+    aiQuaternionFromEulerAngles(&result_c, x, y, z);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionFromAxisAngleTest) {
+    const float angle(RandPI.next());
+    const aiVector3D axis(random_unit_vec3());
+    result_cpp = aiQuaternion(axis, angle);
+    aiQuaternionFromAxisAngle(&result_c, &axis, angle);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionFromNormalizedQuaternionTest) {
+    const auto qvec3 = random_unit_vec3();
+    result_cpp = aiQuaternion(qvec3);
+    aiQuaternionFromNormalizedQuaternion(&result_c, &qvec3);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionAreEqualTest) {
+    result_c = result_cpp = random_quat();
+    EXPECT_EQ(result_cpp == result_c,
+        (bool)aiQuaternionAreEqual(&result_cpp, &result_c));
+}
+
+TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionAreEqualEpsilonTest) {
+    result_c = result_cpp = random_quat();
+    EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
+        (bool)aiQuaternionAreEqualEpsilon(&result_cpp, &result_c, Epsilon));
+}
+
+TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionNormalizeTest) {
+    result_c = result_cpp = random_quat();
+    aiQuaternionNormalize(&result_c);
+    EXPECT_EQ(result_cpp.Normalize(), result_c);
+}
+
+TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionConjugateTest) {
+    result_c = result_cpp = random_quat();
+    aiQuaternionConjugate(&result_c);
+    EXPECT_EQ(result_cpp.Conjugate(), result_c);
+}
+
+TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionMultiplyTest) {
+    const aiQuaternion temp = random_quat();
+    result_c = result_cpp = random_quat();
+    result_cpp = result_cpp * temp;
+    aiQuaternionMultiply(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionInterpolateTest) {
+    // Use predetermined quaternions to prevent division by zero
+    // during slerp calculations.
+    const float INTERPOLATION(0.5f);
+    const auto q1 = aiQuaternion(aiVector3D(-1,1,1).Normalize(), Math::PI<float>() / 4.0f);
+    const auto q2 = aiQuaternion(aiVector3D(1,2,1).Normalize(), Math::PI<float>() / 2.0f);
+    aiQuaternion::Interpolate(result_cpp, q1, q2, INTERPOLATION);
+    aiQuaternionInterpolate(&result_c, &q1, &q2, INTERPOLATION);
+    EXPECT_EQ(result_cpp, result_c);
+}

test/unit/AssimpAPITest_aiVector2D.cpp

@@ -0,0 +1,140 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+#include "UnitTestPCH.h"
+#include "MathTest.h"
+
+using namespace Assimp;
+
+class AssimpAPITest_aiVector2D : public AssimpMathTest {
+protected:
+    virtual void SetUp() {
+        result_c = result_cpp = aiVector2D();
+        temp = random_vec2(); // Generates a random 2D vector != null vector.
+    }
+
+    aiVector2D result_c, result_cpp, temp;
+};
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2AreEqualTest) {
+    result_c = result_cpp = random_vec2();
+    EXPECT_EQ(result_cpp == result_c,
+        (bool)aiVector2AreEqual(&result_cpp, &result_c));
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2AreEqualEpsilonTest) {
+    result_c = result_cpp = random_vec2();
+    EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
+        (bool)aiVector2AreEqualEpsilon(&result_cpp, &result_c, Epsilon));
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2AddTest) {
+    result_c = result_cpp = random_vec2();
+    result_cpp += temp;
+    aiVector2Add(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2SubtractTest) {
+    result_c = result_cpp = random_vec2();
+    result_cpp -= temp;
+    aiVector2Subtract(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2ScaleTest) {
+    const float FACTOR = RandNonZero.next();
+    result_c = result_cpp = random_vec2();
+    result_cpp *= FACTOR;
+    aiVector2Scale(&result_c, FACTOR);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2SymMulTest) {
+    result_c = result_cpp = random_vec2();
+    result_cpp = result_cpp.SymMul(temp);
+    aiVector2SymMul(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2DivideByScalarTest) {
+    const float DIVISOR = RandNonZero.next();
+    result_c = result_cpp = random_vec2();
+    result_cpp /= DIVISOR;
+    aiVector2DivideByScalar(&result_c, DIVISOR);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2DivideByVectorTest) {
+    result_c = result_cpp = random_vec2();
+    result_cpp = result_cpp / temp;
+    aiVector2DivideByVector(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2LengthTest) {
+    result_c = result_cpp = random_vec2();
+    EXPECT_EQ(result_cpp.Length(), aiVector2Length(&result_c));
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2SquareLengthTest) {
+    result_c = result_cpp = random_vec2();
+    EXPECT_EQ(result_cpp.SquareLength(), aiVector2SquareLength(&result_c));
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2NegateTest) {
+    result_c = result_cpp = random_vec2();
+    aiVector2Negate(&result_c);
+    EXPECT_EQ(-result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2DotProductTest) {
+    result_c = result_cpp = random_vec2();
+    EXPECT_EQ(result_cpp * result_c,
+        aiVector2DotProduct(&result_cpp, &result_c));
+}
+
+TEST_F(AssimpAPITest_aiVector2D, aiVector2NormalizeTest) {
+    result_c = result_cpp = random_vec2();
+    aiVector2Normalize(&result_c);
+    EXPECT_EQ(result_cpp.Normalize(), result_c);
+}

test/unit/AssimpAPITest_aiVector3D.cpp

@@ -0,0 +1,185 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+#include "UnitTestPCH.h"
+#include "MathTest.h"
+
+using namespace Assimp;
+
+class AssimpAPITest_aiVector3D : public AssimpMathTest {
+protected:
+    virtual void SetUp() {
+        result_c = result_cpp = aiVector3D();
+        temp = random_vec3(); // Generates a random 3D vector != null vector.
+    }
+
+    aiVector3D result_c, result_cpp, temp;
+};
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3AreEqualTest) {
+    result_c = result_cpp = random_vec3();
+    EXPECT_EQ(result_cpp == result_c,
+        (bool)aiVector3AreEqual(&result_cpp, &result_c));
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3AreEqualEpsilonTest) {
+    result_c = result_cpp = random_vec3();
+    EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
+        (bool)aiVector3AreEqualEpsilon(&result_cpp, &result_c, Epsilon));
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3LessThanTest) {
+    result_c = result_cpp = random_vec3();
+    EXPECT_EQ(result_cpp < temp,
+        (bool)aiVector3LessThan(&result_c, &temp));
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3AddTest) {
+    result_c = result_cpp = random_vec3();
+    result_cpp += temp;
+    aiVector3Add(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3SubtractTest) {
+    result_c = result_cpp = random_vec3();
+    result_cpp -= temp;
+    aiVector3Subtract(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3ScaleTest) {
+    const float FACTOR = RandNonZero.next();
+    result_c = result_cpp = random_vec3();
+    result_cpp *= FACTOR;
+    aiVector3Scale(&result_c, FACTOR);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3SymMulTest) {
+    result_c = result_cpp = random_vec3();
+    result_cpp = result_cpp.SymMul(temp);
+    aiVector3SymMul(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3DivideByScalarTest) {
+    const float DIVISOR = RandNonZero.next();
+    result_c = result_cpp = random_vec3();
+    result_cpp /= DIVISOR;
+    aiVector3DivideByScalar(&result_c, DIVISOR);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3DivideByVectorTest) {
+    result_c = result_cpp = random_vec3();
+    result_cpp = result_cpp / temp;
+    aiVector3DivideByVector(&result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3LengthTest) {
+    result_c = result_cpp = random_vec3();
+    EXPECT_EQ(result_cpp.Length(), aiVector3Length(&result_c));
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3SquareLengthTest) {
+    result_c = result_cpp = random_vec3();
+    EXPECT_EQ(result_cpp.SquareLength(), aiVector3SquareLength(&result_c));
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3NegateTest) {
+    result_c = result_cpp = random_vec3();
+    aiVector3Negate(&result_c);
+    EXPECT_EQ(-result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3DotProductTest) {
+    result_c = result_cpp = random_vec3();
+    EXPECT_EQ(result_cpp * result_c,
+        aiVector3DotProduct(&result_cpp, &result_c));
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3CrossProductTest) {
+    result_c = result_cpp = random_vec3();
+    result_cpp = result_cpp ^ temp;
+    aiVector3CrossProduct(&result_c, &result_c, &temp);
+    EXPECT_EQ(result_cpp, result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3NormalizeTest) {
+    result_c = result_cpp = random_vec3();
+    aiVector3Normalize(&result_c);
+    EXPECT_EQ(result_cpp.Normalize(), result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3NormalizeSafeTest) {
+    result_c = result_cpp = random_vec3();
+    aiVector3NormalizeSafe(&result_c);
+    EXPECT_EQ(result_cpp.NormalizeSafe(), result_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiVector3RotateByQuaternionTest) {
+    aiVector3D v_c, v_cpp;
+    v_c = v_cpp = random_vec3();
+    const auto q = random_quat();
+    aiVector3RotateByQuaternion(&v_c, &q);
+    EXPECT_EQ(q.Rotate(v_cpp), v_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiTransformVecByMatrix3Test) {
+    const auto m = random_mat3();
+    aiVector3D v_c, v_cpp;
+    v_c = v_cpp = random_vec3();
+    v_cpp *= m;
+    aiTransformVecByMatrix3(&v_c, &m);
+    EXPECT_EQ(v_cpp, v_c);
+}
+
+TEST_F(AssimpAPITest_aiVector3D, aiTransformVecByMatrix4Test) {
+    const auto m = random_mat4();
+    aiVector3D v_c, v_cpp;
+    v_c = v_cpp = random_vec3();
+    v_cpp *= m;
+    aiTransformVecByMatrix4(&v_c, &m);
+    EXPECT_EQ(v_cpp, v_c);
+}

test/unit/Common/uiScene.cpp

@@ -0,0 +1,93 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+
+#include "UnitTestPCH.h"
+
+#include <assimp/scene.h>
+
+
+using namespace Assimp;
+
+class utScene : public ::testing::Test {
+protected:
+	aiScene *scene;
+
+    void SetUp() override {
+		scene = new aiScene;
+    }
+
+    void TearDown() override {
+		delete scene;
+		scene = nullptr;
+    }
+};
+
+TEST_F(utScene, findNodeTest) {
+	scene->mRootNode = new aiNode();
+	scene->mRootNode->mName.Set("test");
+	aiNode *child = new aiNode;
+	child->mName.Set("child");
+	scene->mRootNode->addChildren(1, &child);
+	aiNode *found = scene->mRootNode->FindNode("child");
+	EXPECT_EQ(child, found);
+}
+
+TEST_F(utScene, sceneHasContentTest) {
+    EXPECT_FALSE(scene->HasAnimations());
+	EXPECT_FALSE(scene->HasMaterials());
+	EXPECT_FALSE(scene->HasMeshes());
+	EXPECT_FALSE(scene->HasCameras());
+	EXPECT_FALSE(scene->HasLights());
+	EXPECT_FALSE(scene->HasTextures());
+}
+
+TEST_F(utScene, getShortFilenameTest) {
+	std::string long_filename1 = "foo_bar/name";
+    const char *name1 = scene->GetShortFilename(long_filename1.c_str());
+	EXPECT_NE(nullptr, name1);
+
+    std::string long_filename2 = "foo_bar\\name";
+    const char *name2 = scene->GetShortFilename(long_filename2.c_str());
+	EXPECT_NE(nullptr, name2);
+}
+
+TEST_F(utScene, getEmbeddedTextureTest) {
+}

test/unit/ImportExport/Assxml/utAssxmlImportExport.cpp

@@ -0,0 +1,76 @@
+/*
+---------------------------------------------------------------------------
+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.
+---------------------------------------------------------------------------
+*/
+
+#include "AbstractImportExportBase.h"
+#include "SceneDiffer.h"
+#include "UnitTestPCH.h"
+
+#include <assimp/postprocess.h>
+#include <assimp/Importer.hpp>
+#include <assimp/Exporter.hpp>
+
+using namespace Assimp;
+
+class utAssxmlImportExport : public AbstractImportExportBase {
+public:
+	bool importerTest() override {
+		return true;
+    }
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+	bool exporterTest() override {
+		Assimp::Importer importer;
+		const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/OBJ/spider.obj", aiProcess_ValidateDataStructure);
+		EXPECT_NE(scene, nullptr );
+
+        ::Assimp::Exporter exporter;
+		return AI_SUCCESS == exporter.Export(scene, "assxml", ASSIMP_TEST_MODELS_DIR "/OBJ/spider_out.assxml");
+    }
+#endif
+};
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+TEST_F(utAssxmlImportExport, exportAssxmlTest) {
+	EXPECT_TRUE(exporterTest());
+}
+
+#endif

test/unit/ImportExport/IRR/utIrrImportExport.cpp

@@ -0,0 +1,66 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+#include "AbstractImportExportBase.h"
+#include "UnitTestPCH.h"
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <assimp/Importer.hpp>
+
+using namespace Assimp;
+
+class utIrrImportExport : public AbstractImportExportBase {
+public:
+	virtual bool importerTest() {
+		Assimp::Importer importer;
+		const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/IRR/box.irr", aiProcess_ValidateDataStructure);
+		return nullptr != scene;
+	}
+};
+
+TEST_F(utIrrImportExport, importSimpleIrrTest) {
+	EXPECT_TRUE(importerTest());
+}
+
+TEST_F(utIrrImportExport, importSGIrrTest) {
+	Assimp::Importer importer;
+	const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/IRR/dawfInCellar_SameHierarchy.irr", aiProcess_ValidateDataStructure);
+	EXPECT_NE( nullptr,scene);
+}

test/unit/ImportExport/RAW/utRAWImportExport.cpp

@@ -0,0 +1,64 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+#include "AbstractImportExportBase.h"
+#include "UnitTestPCH.h"
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <assimp/Importer.hpp>
+
+using namespace Assimp;
+
+class utRAWImportExport : public AbstractImportExportBase {
+public:
+    virtual bool importerTest() {
+        Assimp::Importer importer;
+        const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/RAW/Wuson.raw", aiProcess_ValidateDataStructure);
+#ifndef ASSIMP_BUILD_NO_RAW_IMPORTER
+        return nullptr != scene;
+#else
+        return nullptr == scene;
+#endif
+    }
+};
+
+TEST_F(utRAWImportExport, importSimpleRAWTest) {
+    EXPECT_TRUE(importerTest());
+}

test/unit/ImportExport/Terragen/utTerragenImportExport.cpp

@@ -0,0 +1,60 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+
+#include "AbstractImportExportBase.h"
+#include "UnitTestPCH.h"
+
+#include <assimp/postprocess.h>
+#include <assimp/Importer.hpp>
+
+class utTerragenImportExport : public AbstractImportExportBase {
+public:
+    virtual bool importerTest() {
+        /*Assimp::Importer importer;
+        const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/TER/RealisticTerrain.ter", aiProcess_ValidateDataStructure);
+        return nullptr != scene;*/
+        return true;
+    }
+};
+
+TEST_F(utTerragenImportExport, importX3DFromFileTest) {
+    EXPECT_TRUE(importerTest());
+}

test/unit/MathTest.cpp

@@ -0,0 +1,56 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+#include "MathTest.h"
+
+namespace Assimp {
+
+// Initialize epsilon value.
+const float AssimpMathTest::Epsilon = Math::getEpsilon<float>();
+
+// Initialize with an interval of [1,100].
+RandomUniformFloatGenerator AssimpMathTest::RandNonZero(1.0f, 100.0f);
+
+// Initialize with an interval of [-PI,PI] inclusively.
+RandomUniformFloatGenerator AssimpMathTest::RandPI(-Math::PI<float>(), Math::PI<float>());
+
+}

test/unit/MathTest.h

@@ -0,0 +1,103 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+
+#ifndef ASSIMP_MATH_TEST_H
+#define ASSIMP_MATH_TEST_H
+
+#include "UnitTestPCH.h"
+#include <assimp/types.h>
+#include "RandomNumberGeneration.h"
+
+namespace Assimp {
+
+/** Custom test class providing several math related utilities. */
+class AssimpMathTest : public ::testing::Test {
+public:
+    /** Return a random non-null 2D vector. */
+    inline static aiVector2D random_vec2() {
+        return aiVector2D(RandNonZero.next(), RandNonZero.next());
+    }
+
+    /** Return a random non-null 3D vector. */
+    inline static aiVector3D random_vec3() {
+        return aiVector3D(RandNonZero.next(), RandNonZero.next(),RandNonZero.next());
+    }
+
+    /** Return a random unit 3D vector. */
+    inline static aiVector3D random_unit_vec3() {
+        return random_vec3().NormalizeSafe();
+    }
+
+    /** Return a quaternion with random orientation and
+      * rotation angle around axis. */
+    inline static aiQuaternion random_quat() {
+        return aiQuaternion(random_unit_vec3(), RandPI.next());
+    }
+
+    /** Return a random non-null 3x3 matrix. */
+    inline static aiMatrix3x3 random_mat3() {
+        return aiMatrix3x3(
+            RandNonZero.next(), RandNonZero.next(),RandNonZero.next(),
+            RandNonZero.next(), RandNonZero.next(),RandNonZero.next(),
+            RandNonZero.next(), RandNonZero.next(),RandNonZero.next());
+    }
+
+    /** Return a random non-null 4x4 matrix. */
+    inline static aiMatrix4x4 random_mat4() {
+        return aiMatrix4x4(
+            RandNonZero.next(), RandNonZero.next(),RandNonZero.next(), RandNonZero.next(),
+            RandNonZero.next(), RandNonZero.next(),RandNonZero.next(), RandNonZero.next(),
+            RandNonZero.next(), RandNonZero.next(),RandNonZero.next(), RandNonZero.next(),
+            RandNonZero.next(), RandNonZero.next(),RandNonZero.next(), RandNonZero.next());
+    }
+
+    /** Epsilon value to use in tests. */
+    static const float Epsilon;
+
+    /** Random number generators. */
+    static RandomUniformFloatGenerator RandNonZero, RandPI;
+};
+
+}
+
+#endif // ASSIMP_MATH_TEST_H

test/unit/RandomNumberGeneration.h

@@ -0,0 +1,82 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, 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.
+---------------------------------------------------------------------------
+*/
+
+#ifndef ASSIMP_RANDOM_NUMBER_GENERATION_H
+#define ASSIMP_RANDOM_NUMBER_GENERATION_H
+
+#include <random>
+
+namespace Assimp {
+
+/** Helper class to use for generating pseudo-random
+ *  real numbers, with a uniform distribution. */
+template<typename T>
+class RandomUniformRealGenerator {
+public:
+    RandomUniformRealGenerator() :
+            dist_(),
+            rd_(), 
+            re_(rd_())  {
+        // empty
+    }
+    
+    RandomUniformRealGenerator(T min, T max) :
+            dist_(min, max),
+            rd_(),
+            re_(rd_())  {
+        // empty
+    }
+
+    inline T next() {
+        return dist_(re_);
+    }
+
+private:
+    std::uniform_real_distribution<T> dist_;
+    std::random_device rd_;
+    std::default_random_engine re_;
+};
+
+using RandomUniformFloatGenerator = RandomUniformRealGenerator<float>;
+
+}
+
+#endif // ASSIMP_RANDOM_NUMBER_GENERATION_H

test/unit/utM3DImportExport.cpp

@@ -43,6 +43,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "AbstractImportExportBase.h"
 #include "UnitTestPCH.h"
 
+#include <assimp/Importer.hpp>
+#include <assimp/Exporter.hpp>
 #include <assimp/postprocess.h>
 #include <assimp/Importer.hpp>
 
@@ -50,7 +52,7 @@ using namespace Assimp;
 
 class utM3DImportExport : public AbstractImportExportBase {
 public:
-    virtual bool importerTest() {
+	bool importerTest() override  {
         Assimp::Importer importer;
         const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/M3D/cube_normals.m3d", aiProcess_ValidateDataStructure);
 #ifndef ASSIMP_BUILD_NO_M3D_IMPORTER
@@ -59,8 +61,24 @@ public:
         return nullptr == scene;
 #endif // ASSIMP_BUILD_NO_M3D_IMPORTER
     }
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+    bool exporterTest() override {
+		Assimp::Importer importer;
+		const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/M3D/cube_normals.m3d", aiProcess_ValidateDataStructure);
+		Exporter exporter;
+		aiReturn ret = exporter.Export(scene, "m3d", ASSIMP_TEST_MODELS_DIR "/M3D/cube_normals_out.m3d");
+		return ret == AI_SUCCESS;
+    }
+#endif
 };
 
 TEST_F(utM3DImportExport, importM3DFromFileTest) {
     EXPECT_TRUE(importerTest());
 }
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+TEST_F(utM3DImportExport, exportM3DFromFileTest) {
+	EXPECT_TRUE(exporterTest());
+}
+#endif //  ASSIMP_BUILD_NO_EXPORT

tools/assimp_view/Material.cpp

@@ -402,13 +402,12 @@ int CMaterialManager::FindValidPath(aiString* p_szString)
         }
         fclose(pFile);
 
-        // copy the result string back to the aiString
+        // copy the result string back to the aiStr
-        const size_t iLen = strlen(szTemp);
+        const size_t len = strlen(szTemp);
-        size_t iLen2 = iLen+1;
+        size_t len2 = len+1;
-        iLen2 = iLen2 > MAXLEN ? MAXLEN : iLen2;
+        len2 = len2 > MAXLEN ? MAXLEN : len2;
-        memcpy(p_szString->data,szTemp,iLen2);
+        memcpy(p_szString->data, szTemp, len2);
-        p_szString->length = static_cast<ai_uint32>(iLen);
+        p_szString->length = static_cast<ai_uint32>(len);
-
     }
     return 1;
 }
@@ -1490,4 +1489,5 @@ int CMaterialManager::EndMaterial (AssetHelper::MeshHelper* pcMesh)
 
     return 1;
 }
-}; // end namespace AssimpView
+
+} // end namespace AssimpView