Merge branch 'master' into kimkulling/use_float_for_material_parameters_issue-4685

code/AssetLib/3DS/3DSExporter.cpp

@@ -209,9 +209,7 @@ Discreet3DSExporter::Discreet3DSExporter(std::shared_ptr<IOStream> &outfile, con
 }
 
 // ------------------------------------------------------------------------------------------------
-Discreet3DSExporter::~Discreet3DSExporter() {
+Discreet3DSExporter::~Discreet3DSExporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 int Discreet3DSExporter::WriteHierarchy(const aiNode &node, int seq, int sibling_level) {

code/AssetLib/3DS/3DSLoader.cpp

@@ -105,9 +105,7 @@ Discreet3DSImporter::Discreet3DSImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-Discreet3DSImporter::~Discreet3DSImporter() {
+Discreet3DSImporter::~Discreet3DSImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -319,7 +317,7 @@ void Discreet3DSImporter::ParseObjectChunk() {
     case Discreet3DS::CHUNK_MAT_MATERIAL:
 
         // Add a new material to the list
-        mScene->mMaterials.push_back(D3DS::Material(std::string("UNNAMED_" + ai_to_string(mScene->mMaterials.size()))));
+        mScene->mMaterials.emplace_back(std::string("UNNAMED_" + ai_to_string(mScene->mMaterials.size())));
         ParseMaterialChunk();
         break;
 
@@ -370,7 +368,7 @@ void Discreet3DSImporter::ParseChunk(const char *name, unsigned int num) {
     switch (chunk.Flag) {
     case Discreet3DS::CHUNK_TRIMESH: {
         // this starts a new triangle mesh
-        mScene->mMeshes.push_back(D3DS::Mesh(std::string(name, num)));
+        mScene->mMeshes.emplace_back(std::string(name, num));
 
         // Read mesh chunks
         ParseMeshChunk();
@@ -999,7 +997,7 @@ void Discreet3DSImporter::ParseMeshChunk() {
         mMesh.mFaces.reserve(num);
         while (num-- > 0) {
             // 3DS faces are ALWAYS triangles
-            mMesh.mFaces.push_back(D3DS::Face());
+            mMesh.mFaces.emplace_back();
             D3DS::Face &sFace = mMesh.mFaces.back();
 
             sFace.mIndices[0] = (uint16_t)stream->GetI2();

code/AssetLib/3MF/D3MFImporter.cpp

@@ -81,14 +81,9 @@ static const aiImporterDesc desc = {
     "3mf"
 };
 
-D3MFImporter::D3MFImporter() :
+D3MFImporter::D3MFImporter() = default;
-        BaseImporter() {
-    // empty
-}
 
-D3MFImporter::~D3MFImporter() {
+D3MFImporter::~D3MFImporter() = default;
-    // empty
-}
 
 bool D3MFImporter::CanRead(const std::string &filename, IOSystem *pIOHandler, bool /*checkSig*/) const {
     if (!ZipArchiveIOSystem::isZipArchive(pIOHandler, filename)) {

code/AssetLib/AC/ACLoader.cpp

@@ -146,9 +146,7 @@ AC3DImporter::AC3DImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-AC3DImporter::~AC3DImporter() {
+AC3DImporter::~AC3DImporter() = default;
-    // nothing to be done here
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -180,7 +178,7 @@ void AC3DImporter::LoadObjectSection(std::vector<Object> &objects) {
 
     ++mNumMeshes;
 
-    objects.push_back(Object());
+    objects.emplace_back();
     Object &obj = objects.back();
 
     aiLight *light = nullptr;
@@ -267,7 +265,7 @@ void AC3DImporter::LoadObjectSection(std::vector<Object> &objects) {
                     --buffer; // make sure the line is processed a second time
                     break;
                 }
-                obj.vertices.push_back(aiVector3D());
+                obj.vertices.emplace_back();
                 aiVector3D &v = obj.vertices.back();
                 buffer = TAcCheckedLoadFloatArray(buffer, "", 0, 3, &v.x);
             }
@@ -293,7 +291,7 @@ void AC3DImporter::LoadObjectSection(std::vector<Object> &objects) {
                     Q3DWorkAround = true;
                 }
                 SkipSpaces(&buffer);
-                obj.surfaces.push_back(Surface());
+                obj.surfaces.emplace_back();
                 Surface &surf = obj.surfaces.back();
                 surf.flags = strtoul_cppstyle(buffer);
 
@@ -324,7 +322,7 @@ void AC3DImporter::LoadObjectSection(std::vector<Object> &objects) {
                                 ASSIMP_LOG_ERROR("AC3D: Unexpected EOF: surface references are incomplete");
                                 break;
                             }
-                            surf.entries.push_back(Surface::SurfaceEntry());
+                            surf.entries.emplace_back();
                             Surface::SurfaceEntry &entry = surf.entries.back();
 
                             entry.first = strtoul10(buffer, &buffer);
@@ -786,7 +784,7 @@ void AC3DImporter::InternReadFile(const std::string &pFile,
 
     while (GetNextLine()) {
         if (TokenMatch(buffer, "MATERIAL", 8)) {
-            materials.push_back(Material());
+            materials.emplace_back();
             Material &mat = materials.back();
 
             // manually parse the material ... sscanf would use the buldin atof ...
@@ -813,7 +811,7 @@ void AC3DImporter::InternReadFile(const std::string &pFile,
     }
     if (materials.empty()) {
         ASSIMP_LOG_WARN("AC3D: No material has been found");
-        materials.push_back(Material());
+        materials.emplace_back();
     }
 
     mNumMeshes += (mNumMeshes >> 2u) + 1;

code/AssetLib/ASE/ASELoader.cpp

@@ -89,9 +89,7 @@ ASEImporter::ASEImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-ASEImporter::~ASEImporter() {
+ASEImporter::~ASEImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -265,7 +263,7 @@ void ASEImporter::GenerateDefaultMaterial() {
     }
     if (bHas || mParser->m_vMaterials.empty()) {
         // add a simple material without submaterials to the parser's list
-        mParser->m_vMaterials.push_back(ASE::Material(AI_DEFAULT_MATERIAL_NAME));
+        mParser->m_vMaterials.emplace_back(AI_DEFAULT_MATERIAL_NAME);
         ASE::Material &mat = mParser->m_vMaterials.back();
 
         mat.mDiffuse = aiColor3D(0.6f, 0.6f, 0.6f);
@@ -1005,8 +1003,8 @@ void ASEImporter::ConvertMeshes(ASE::Mesh &mesh, std::vector<aiMesh *> &avOutMes
                                             blubb != mesh.mBoneVertices[iIndex2].mBoneWeights.end(); ++blubb) {
 
                                         // NOTE: illegal cases have already been filtered out
-                                        avOutputBones[(*blubb).first].push_back(std::pair<unsigned int, float>(
+                                        avOutputBones[(*blubb).first].emplace_back(
-                                                iBase, (*blubb).second));
+                                                iBase, (*blubb).second);
                                     }
                                 }
                             }

code/AssetLib/ASE/ASEParser.cpp

@@ -264,7 +264,7 @@ void Parser::Parse() {
             if (TokenMatch(filePtr, "GEOMOBJECT", 10))
 
             {
-                m_vMeshes.push_back(Mesh("UNNAMED"));
+                m_vMeshes.emplace_back("UNNAMED");
                 ParseLV1ObjectBlock(m_vMeshes.back());
                 continue;
             }
@@ -272,7 +272,7 @@ void Parser::Parse() {
             if (TokenMatch(filePtr, "HELPEROBJECT", 12))
 
             {
-                m_vDummies.push_back(Dummy());
+                m_vDummies.emplace_back();
                 ParseLV1ObjectBlock(m_vDummies.back());
                 continue;
             }
@@ -280,13 +280,13 @@ void Parser::Parse() {
             if (TokenMatch(filePtr, "LIGHTOBJECT", 11))
 
             {
-                m_vLights.push_back(Light("UNNAMED"));
+                m_vLights.emplace_back("UNNAMED");
                 ParseLV1ObjectBlock(m_vLights.back());
                 continue;
             }
             // camera object
             if (TokenMatch(filePtr, "CAMERAOBJECT", 12)) {
-                m_vCameras.push_back(Camera("UNNAMED"));
+                m_vCameras.emplace_back("UNNAMED");
                 ParseLV1ObjectBlock(m_vCameras.back());
                 continue;
             }
@@ -385,7 +385,7 @@ void Parser::ParseLV1SoftSkinBlock() {
                         unsigned int numWeights;
                         ParseLV4MeshLong(numWeights);
 
-                        curMesh->mBoneVertices.push_back(ASE::BoneVertex());
+                        curMesh->mBoneVertices.emplace_back();
                         ASE::BoneVertex &vert = curMesh->mBoneVertices.back();
 
                         // Reserve enough storage
@@ -409,7 +409,7 @@ void Parser::ParseLV1SoftSkinBlock() {
                             if (-1 == me.first) {
                                 // We don't have this bone yet, so add it to the list
                                 me.first = static_cast<int>(curMesh->mBones.size());
-                                curMesh->mBones.push_back(ASE::Bone(bone));
+                                curMesh->mBones.emplace_back(bone);
                             }
                             ParseLV4MeshFloat(me.second);
 
@@ -1011,7 +1011,7 @@ void Parser::ParseLV3ScaleAnimationBlock(ASE::Animation &anim) {
                 anim.mScalingType = ASE::Animation::TCB;
             }
             if (b) {
-                anim.akeyScaling.push_back(aiVectorKey());
+                anim.akeyScaling.emplace_back();
                 aiVectorKey &key = anim.akeyScaling.back();
                 ParseLV4MeshFloatTriple(&key.mValue.x, iIndex);
                 key.mTime = (double)iIndex;
@@ -1050,7 +1050,7 @@ void Parser::ParseLV3PosAnimationBlock(ASE::Animation &anim) {
                 anim.mPositionType = ASE::Animation::TCB;
             }
             if (b) {
-                anim.akeyPositions.push_back(aiVectorKey());
+                anim.akeyPositions.emplace_back();
                 aiVectorKey &key = anim.akeyPositions.back();
                 ParseLV4MeshFloatTriple(&key.mValue.x, iIndex);
                 key.mTime = (double)iIndex;
@@ -1089,7 +1089,7 @@ void Parser::ParseLV3RotAnimationBlock(ASE::Animation &anim) {
                 anim.mRotationType = ASE::Animation::TCB;
             }
             if (b) {
-                anim.akeyRotations.push_back(aiQuatKey());
+                anim.akeyRotations.emplace_back();
                 aiQuatKey &key = anim.akeyRotations.back();
                 aiVector3D v;
                 ai_real f;

code/AssetLib/ASE/ASEParser.h

@@ -116,7 +116,7 @@ struct Material : public D3DS::Material {
         return *this;
     }
 
-    ~Material() {}
+    ~Material() = default;
 
     //! Contains all sub materials of this material
     std::vector<Material> avSubMaterials;

code/AssetLib/Assbin/AssbinFileWriter.cpp

@@ -130,7 +130,7 @@ inline size_t Write<double>(IOStream *stream, const double &f) {
 // Serialize a vec3
 template <>
 inline size_t Write<aiVector3D>(IOStream *stream, const aiVector3D &v) {
-    size_t t = Write<float>(stream, v.x);
+    size_t t = Write<ai_real>(stream, v.x);
     t += Write<float>(stream, v.y);
     t += Write<float>(stream, v.z);
 
@@ -141,7 +141,7 @@ inline size_t Write<aiVector3D>(IOStream *stream, const aiVector3D &v) {
 // Serialize a color value
 template <>
 inline size_t Write<aiColor3D>(IOStream *stream, const aiColor3D &v) {
-    size_t t = Write<float>(stream, v.r);
+    size_t t = Write<ai_real>(stream, v.r);
     t += Write<float>(stream, v.g);
     t += Write<float>(stream, v.b);
 
@@ -152,7 +152,7 @@ inline size_t Write<aiColor3D>(IOStream *stream, const aiColor3D &v) {
 // Serialize a color value
 template <>
 inline size_t Write<aiColor4D>(IOStream *stream, const aiColor4D &v) {
-    size_t t = Write<float>(stream, v.r);
+    size_t t = Write<ai_real>(stream, v.r);
     t += Write<float>(stream, v.g);
     t += Write<float>(stream, v.b);
     t += Write<float>(stream, v.a);
@@ -164,7 +164,7 @@ inline size_t Write<aiColor4D>(IOStream *stream, const aiColor4D &v) {
 // Serialize a quaternion
 template <>
 inline size_t Write<aiQuaternion>(IOStream *stream, const aiQuaternion &v) {
-    size_t t = Write<float>(stream, v.w);
+    size_t t = Write<ai_real>(stream, v.w);
     t += Write<float>(stream, v.x);
     t += Write<float>(stream, v.y);
     t += Write<float>(stream, v.z);
@@ -190,7 +190,7 @@ template <>
 inline size_t Write<aiMatrix4x4>(IOStream *stream, const aiMatrix4x4 &m) {
     for (unsigned int i = 0; i < 4; ++i) {
         for (unsigned int i2 = 0; i2 < 4; ++i2) {
-            Write<float>(stream, m[i][i2]);
+            Write<ai_real>(stream, m[i][i2]);
         }
     }
 
@@ -642,6 +642,10 @@ protected:
         Write<aiString>(&chunk, l->mName);
         Write<unsigned int>(&chunk, l->mType);
 
+        Write<aiVector3D>(&chunk, l->mPosition);
+        Write<aiVector3D>(&chunk, l->mDirection);
+        Write<aiVector3D>(&chunk, l->mUp);
+
         if (l->mType != aiLightSource_DIRECTIONAL) {
             Write<float>(&chunk, l->mAttenuationConstant);
             Write<float>(&chunk, l->mAttenuationLinear);

code/AssetLib/Assbin/AssbinLoader.cpp

@@ -556,6 +556,10 @@ void AssbinImporter::ReadBinaryLight(IOStream *stream, aiLight *l) {
     l->mName = Read<aiString>(stream);
     l->mType = (aiLightSourceType)Read<unsigned int>(stream);
 
+    l->mPosition = Read<aiVector3D>(stream);
+    l->mDirection = Read<aiVector3D>(stream);
+    l->mUp = Read<aiVector3D>(stream);
+
     if (l->mType != aiLightSource_DIRECTIONAL) {
         l->mAttenuationConstant = Read<float>(stream);
         l->mAttenuationLinear = Read<float>(stream);

code/AssetLib/Assjson/mesh_splitter.cpp

@@ -304,7 +304,7 @@ void MeshSplitter :: SplitMesh(unsigned int a, aiMesh* in_mesh, std::vector<std:
 		}
 
 		// add the newly created mesh to the list
-		source_mesh_map.push_back(std::make_pair(out_mesh,a));
+		source_mesh_map.emplace_back(out_mesh,a);
 
 		if (base == in_mesh->mNumFaces) {
 			break;

code/AssetLib/B3D/B3DImporter.cpp

@@ -88,9 +88,7 @@ void DeleteAllBarePointers(std::vector<T> &x) {
     }
 }
 
-B3DImporter::~B3DImporter() {
+B3DImporter::~B3DImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 bool B3DImporter::CanRead(const std::string &pFile, IOSystem * /*pIOHandler*/, bool /*checkSig*/) const {
@@ -479,13 +477,13 @@ void B3DImporter::ReadKEYS(aiNodeAnim *nodeAnim) {
     while (ChunkSize()) {
         int frame = ReadInt();
         if (flags & 1) {
-            trans.push_back(aiVectorKey(frame, ReadVec3()));
+            trans.emplace_back(frame, ReadVec3());
         }
         if (flags & 2) {
-            scale.push_back(aiVectorKey(frame, ReadVec3()));
+            scale.emplace_back(frame, ReadVec3());
         }
         if (flags & 4) {
-            rot.push_back(aiQuatKey(frame, ReadQuat()));
+            rot.emplace_back(frame, ReadQuat());
         }
     }
 
@@ -673,7 +671,7 @@ void B3DImporter::ReadBB3D(aiScene *scene) {
                         int bone = v.bones[k];
                         float weight = v.weights[k];
 
-                        vweights[bone].push_back(aiVertexWeight(vertIdx + faceIndex, weight));
+                        vweights[bone].emplace_back(vertIdx + faceIndex, weight);
                     }
                 }
                 ++face;

code/AssetLib/BVH/BVHLoader.cpp

@@ -88,7 +88,7 @@ BVHLoader::BVHLoader() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-BVHLoader::~BVHLoader() {}
+BVHLoader::~BVHLoader() = default;
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -186,7 +186,7 @@ aiNode *BVHLoader::ReadNode() {
     std::vector<aiNode *> childNodes;
 
     // and create an bone entry for it
-    mNodes.push_back(Node(node));
+    mNodes.emplace_back(node);
     Node &internNode = mNodes.back();
 
     // now read the node's contents

code/AssetLib/Blender/BlenderDNA.h

@@ -416,10 +416,10 @@ template <>
 struct Structure::_defaultInitializer<ErrorPolicy_Fail> {
 
     template <typename T>
-    void operator()(T & /*out*/, const char * = "") {
+    void operator()(T & /*out*/, const char *message = "") {
         // obviously, it is crucial that _DefaultInitializer is used
         // only from within a catch clause.
-        throw DeadlyImportError("Constructing BlenderDNA Structure encountered an error");
+        throw DeadlyImportError("Constructing BlenderDNA Structure encountered an error: ", message);
     }
 };
 

code/AssetLib/Blender/BlenderIntermediate.h

@@ -65,8 +65,7 @@ namespace Blender {
     struct TempArray    {
         typedef TCLASS< T*,std::allocator<T*> > mywrap;
 
-        TempArray() {
+        TempArray() = default;
-        }
 
         ~TempArray () {
             for(T* elem : arr) {

code/AssetLib/Blender/BlenderModifier.cpp

@@ -71,10 +71,6 @@ static const fpCreateModifier creators[] = {
     nullptr // sentinel
 };
 
-// ------------------------------------------------------------------------------------------------
-struct SharedModifierData : ElemBase {
-    ModifierData modifier;
-};
 
 // ------------------------------------------------------------------------------------------------
 void BlenderModifierShowcase::ApplyModifiers(aiNode &out, ConversionData &conv_data, const Scene &in, const Object &orig_object) {
@@ -157,6 +153,7 @@ void BlenderModifier_Mirror ::DoIt(aiNode &out, ConversionData &conv_data, const
     // hijacking the ABI, see the big note in BlenderModifierShowcase::ApplyModifiers()
     const MirrorModifierData &mir = static_cast<const MirrorModifierData &>(orig_modifier);
     ai_assert(mir.modifier.type == ModifierData::eModifierType_Mirror);
+    std::shared_ptr<Object> mirror_ob = mir.mirror_ob.lock();
 
     conv_data.meshes->reserve(conv_data.meshes->size() + out.mNumMeshes);
 
@@ -171,8 +168,8 @@ void BlenderModifier_Mirror ::DoIt(aiNode &out, ConversionData &conv_data, const
         const float ys = mir.flag & MirrorModifierData::Flags_AXIS_Y ? -1.f : 1.f;
         const float zs = mir.flag & MirrorModifierData::Flags_AXIS_Z ? -1.f : 1.f;
 
-        if (mir.mirror_ob) {
+        if (mirror_ob) {
-            const aiVector3D center(mir.mirror_ob->obmat[3][0], mir.mirror_ob->obmat[3][1], mir.mirror_ob->obmat[3][2]);
+            const aiVector3D center(mirror_ob->obmat[3][0], mirror_ob->obmat[3][1], mirror_ob->obmat[3][2]);
             for (unsigned int j = 0; j < mesh->mNumVertices; ++j) {
                 aiVector3D &v = mesh->mVertices[j];
 

code/AssetLib/Blender/BlenderScene.cpp

@@ -624,7 +624,9 @@ void Structure ::Convert<ListBase>(
         const FileDatabase &db) const {
 
     ReadFieldPtr<ErrorPolicy_Igno>(dest.first, "*first", db);
-    ReadFieldPtr<ErrorPolicy_Igno>(dest.last, "*last", db);
+    std::shared_ptr<ElemBase> last;
+    ReadFieldPtr<ErrorPolicy_Igno>(last, "*last", db);
+    dest.last = last;
 
     db.reader->IncPtr(size);
 }
@@ -648,7 +650,9 @@ void Structure ::Convert<ModifierData>(
         const FileDatabase &db) const {
 
     ReadFieldPtr<ErrorPolicy_Warn>(dest.next, "*next", db);
-    ReadFieldPtr<ErrorPolicy_Warn>(dest.prev, "*prev", db);
+    std::shared_ptr<ElemBase> prev;
+    ReadFieldPtr<ErrorPolicy_Warn>(prev, "*prev", db);
+    dest.prev = prev;
     ReadField<ErrorPolicy_Igno>(dest.type, "type", db);
     ReadField<ErrorPolicy_Igno>(dest.mode, "mode", db);
     ReadFieldArray<ErrorPolicy_Igno>(dest.name, "name", db);
@@ -772,7 +776,9 @@ void Structure ::Convert<MirrorModifierData>(
     ReadField<ErrorPolicy_Igno>(dest.axis, "axis", db);
     ReadField<ErrorPolicy_Igno>(dest.flag, "flag", db);
     ReadField<ErrorPolicy_Igno>(dest.tolerance, "tolerance", db);
-    ReadFieldPtr<ErrorPolicy_Igno>(dest.mirror_ob, "*mirror_ob", db);
+    std::shared_ptr<Object> mirror_ob;
+    ReadFieldPtr<ErrorPolicy_Igno>(mirror_ob, "*mirror_ob", db);
+    dest.mirror_ob = mirror_ob;
 
     db.reader->IncPtr(size);
 }
@@ -833,9 +839,9 @@ void Structure::Convert<CustomDataLayer>(
     ReadField<ErrorPolicy_Fail>(dest.flag, "flag", db);
     ReadField<ErrorPolicy_Fail>(dest.active, "active", db);
     ReadField<ErrorPolicy_Fail>(dest.active_rnd, "active_rnd", db);
-    ReadField<ErrorPolicy_Fail>(dest.active_clone, "active_clone", db);
+    ReadField<ErrorPolicy_Warn>(dest.active_clone, "active_clone", db);
-    ReadField<ErrorPolicy_Fail>(dest.active_mask, "active_mask", db);
+    ReadField<ErrorPolicy_Warn>(dest.active_mask, "active_mask", db);
-    ReadField<ErrorPolicy_Fail>(dest.uid, "uid", db);
+    ReadField<ErrorPolicy_Warn>(dest.uid, "uid", db);
     ReadFieldArray<ErrorPolicy_Warn>(dest.name, "name", db);
     ReadCustomDataPtr<ErrorPolicy_Fail>(dest.data, dest.type, "*data", db);
 

code/AssetLib/Blender/BlenderScene.h

@@ -124,7 +124,7 @@ struct ID : ElemBase {
 // -------------------------------------------------------------------------------
 struct ListBase : ElemBase {
     std::shared_ptr<ElemBase> first;
-    std::shared_ptr<ElemBase> last;
+    std::weak_ptr<ElemBase> last;
 };
 
 // -------------------------------------------------------------------------------
@@ -642,14 +642,21 @@ struct ModifierData : ElemBase {
     };
 
     std::shared_ptr<ElemBase> next WARN;
-    std::shared_ptr<ElemBase> prev WARN;
+    std::weak_ptr<ElemBase> prev WARN;
 
     int type, mode;
     char name[32];
 };
 
+
+// ------------------------------------------------------------------------------------------------
+struct SharedModifierData : ElemBase {
+    ModifierData modifier;
+};
+
+
 // -------------------------------------------------------------------------------
-struct SubsurfModifierData : ElemBase {
+struct SubsurfModifierData : SharedModifierData {
 
     enum Type {
 
@@ -662,7 +669,6 @@ struct SubsurfModifierData : ElemBase {
         FLAGS_SubsurfUV = 1 << 3
     };
 
-    ModifierData modifier FAIL;
     short subdivType WARN;
     short levels FAIL;
     short renderLevels;
@@ -670,7 +676,7 @@ struct SubsurfModifierData : ElemBase {
 };
 
 // -------------------------------------------------------------------------------
-struct MirrorModifierData : ElemBase {
+struct MirrorModifierData : SharedModifierData {
 
     enum Flags {
         Flags_CLIPPING = 1 << 0,
@@ -682,11 +688,9 @@ struct MirrorModifierData : ElemBase {
         Flags_VGROUP = 1 << 6
     };
 
-    ModifierData modifier FAIL;
-
     short axis, flag;
     float tolerance;
-    std::shared_ptr<Object> mirror_ob;
+    std::weak_ptr<Object> mirror_ob;
 };
 
 // -------------------------------------------------------------------------------

code/AssetLib/Blender/BlenderTessellator.cpp

@@ -274,9 +274,7 @@ BlenderTessellatorP2T::BlenderTessellatorP2T( BlenderBMeshConverter& converter )
 }
 
 // ------------------------------------------------------------------------------------------------
-BlenderTessellatorP2T::~BlenderTessellatorP2T( )
+
-{
-}
 
 // ------------------------------------------------------------------------------------------------
 void BlenderTessellatorP2T::Tessellate( const MLoop* polyLoop, int vertexCount, const std::vector< MVert >& vertices )

code/AssetLib/Blender/BlenderTessellator.h

@@ -186,7 +186,7 @@ namespace Assimp
     {
     public:
         BlenderTessellatorP2T( BlenderBMeshConverter& converter );
-        ~BlenderTessellatorP2T( );
+        ~BlenderTessellatorP2T( ) = default;
 
         void Tessellate( const Blender::MLoop* polyLoop, int vertexCount, const std::vector< Blender::MVert >& vertices );
 

code/AssetLib/COB/COBLoader.cpp

@@ -91,15 +91,11 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-COBImporter::COBImporter() {
+COBImporter::COBImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-COBImporter::~COBImporter() {
+COBImporter::~COBImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -522,7 +518,7 @@ void COBImporter::ReadMat1_Ascii(Scene &out, LineSplitter &splitter, const Chunk
         return;
     }
 
-    out.materials.push_back(Material());
+    out.materials.emplace_back();
     Material &mat = out.materials.back();
     mat = nfo;
 
@@ -753,7 +749,7 @@ void COBImporter::ReadPolH_Ascii(Scene &out, LineSplitter &splitter, const Chunk
                     ThrowException("Expected Face line");
                 }
 
-                msh.faces.push_back(Face());
+                msh.faces.emplace_back();
                 Face &face = msh.faces.back();
 
                 face.indices.resize(strtoul10(splitter[2]));
@@ -956,7 +952,7 @@ void COBImporter::ReadPolH_Binary(COB::Scene &out, StreamReaderLE &reader, const
                 ThrowException(format("A hole is the first entity in the `PolH` chunk with id ") << nfo.id);
             }
         } else
-            msh.faces.push_back(Face());
+            msh.faces.emplace_back();
         Face &f = msh.faces.back();
 
         const size_t num = reader.GetI2();
@@ -968,7 +964,7 @@ void COBImporter::ReadPolH_Binary(COB::Scene &out, StreamReaderLE &reader, const
         }
 
         for (size_t x = 0; x < num; ++x) {
-            f.indices.push_back(VertexIndex());
+            f.indices.emplace_back();
 
             VertexIndex &v = f.indices.back();
             v.pos_idx = reader.GetI4();
@@ -1008,7 +1004,7 @@ void COBImporter::ReadMat1_Binary(COB::Scene &out, StreamReaderLE &reader, const
 
     const chunk_guard cn(nfo, reader);
 
-    out.materials.push_back(Material());
+    out.materials.emplace_back();
     Material &mat = out.materials.back();
     mat = nfo;
 

code/AssetLib/COB/COBScene.h

@@ -107,7 +107,7 @@ struct Node : public ChunkInfo
         TYPE_MESH,TYPE_GROUP,TYPE_LIGHT,TYPE_CAMERA,TYPE_BONE
     };
 
-    virtual ~Node() {}
+    virtual ~Node() = default;
     Node(Type type) : type(type), unit_scale(1.f){}
 
     Type type;

code/AssetLib/CSM/CSMLoader.cpp

@@ -85,8 +85,7 @@ CSMImporter::CSMImporter()
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-CSMImporter::~CSMImporter()
+CSMImporter::~CSMImporter() = default;
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/Collada/ColladaExporter.cpp

@@ -154,8 +154,7 @@ ColladaExporter::ColladaExporter(const aiScene *pScene, IOSystem *pIOSystem, con
 
 // ------------------------------------------------------------------------------------------------
 // Destructor
-ColladaExporter::~ColladaExporter() {
+ColladaExporter::~ColladaExporter() = default;
-}
 
 // ------------------------------------------------------------------------------------------------
 // Starts writing the contents
@@ -1330,9 +1329,9 @@ void ColladaExporter::WriteAnimationLibrary(size_t pIndex) {
             std::vector<std::string> names;
             for (size_t i = 0; i < nodeAnim->mNumPositionKeys; ++i) {
                 if (nodeAnim->mPreState == aiAnimBehaviour_DEFAULT || nodeAnim->mPreState == aiAnimBehaviour_LINEAR || nodeAnim->mPreState == aiAnimBehaviour_REPEAT) {
-                    names.push_back("LINEAR");
+                    names.emplace_back("LINEAR");
                 } else if (nodeAnim->mPostState == aiAnimBehaviour_CONSTANT) {
-                    names.push_back("STEP");
+                    names.emplace_back("STEP");
                 }
             }
 

code/AssetLib/Collada/ColladaExporter.h

@@ -233,7 +233,7 @@ public:
         Surface ambient, diffuse, specular, emissive, reflective, transparent, normal;
         Property shininess, transparency, index_refraction;
 
-        Material() {}
+        Material() = default;
     };
 
     std::map<unsigned int, std::string> textures;

code/AssetLib/Collada/ColladaLoader.cpp

@@ -111,9 +111,7 @@ ColladaLoader::ColladaLoader() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-ColladaLoader::~ColladaLoader() {
+ColladaLoader::~ColladaLoader() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/Collada/ColladaParser.cpp

@@ -1929,7 +1929,7 @@ void ColladaParser::ExtractDataObjectFromChannel(const InputChannel &pInput, siz
     switch (pInput.mType) {
     case IT_Position: // ignore all position streams except 0 - there can be only one position
         if (pInput.mIndex == 0) {
-            pMesh.mPositions.push_back(aiVector3D(obj[0], obj[1], obj[2]));
+            pMesh.mPositions.emplace_back(obj[0], obj[1], obj[2]);
         } else {
             ASSIMP_LOG_ERROR("Collada: just one vertex position stream supported");
         }
@@ -1941,7 +1941,7 @@ void ColladaParser::ExtractDataObjectFromChannel(const InputChannel &pInput, siz
 
         // ignore all normal streams except 0 - there can be only one normal
         if (pInput.mIndex == 0) {
-            pMesh.mNormals.push_back(aiVector3D(obj[0], obj[1], obj[2]));
+            pMesh.mNormals.emplace_back(obj[0], obj[1], obj[2]);
         } else {
             ASSIMP_LOG_ERROR("Collada: just one vertex normal stream supported");
         }
@@ -1953,7 +1953,7 @@ void ColladaParser::ExtractDataObjectFromChannel(const InputChannel &pInput, siz
 
         // ignore all tangent streams except 0 - there can be only one tangent
         if (pInput.mIndex == 0) {
-            pMesh.mTangents.push_back(aiVector3D(obj[0], obj[1], obj[2]));
+            pMesh.mTangents.emplace_back(obj[0], obj[1], obj[2]);
         } else {
             ASSIMP_LOG_ERROR("Collada: just one vertex tangent stream supported");
         }
@@ -1966,7 +1966,7 @@ void ColladaParser::ExtractDataObjectFromChannel(const InputChannel &pInput, siz
 
         // ignore all bitangent streams except 0 - there can be only one bitangent
         if (pInput.mIndex == 0) {
-            pMesh.mBitangents.push_back(aiVector3D(obj[0], obj[1], obj[2]));
+            pMesh.mBitangents.emplace_back(obj[0], obj[1], obj[2]);
         } else {
             ASSIMP_LOG_ERROR("Collada: just one vertex bitangent stream supported");
         }
@@ -1979,7 +1979,7 @@ void ColladaParser::ExtractDataObjectFromChannel(const InputChannel &pInput, siz
                 pMesh.mTexCoords[pInput.mIndex].insert(pMesh.mTexCoords[pInput.mIndex].end(),
                         pMesh.mPositions.size() - pMesh.mTexCoords[pInput.mIndex].size() - 1, aiVector3D(0, 0, 0));
 
-            pMesh.mTexCoords[pInput.mIndex].push_back(aiVector3D(obj[0], obj[1], obj[2]));
+            pMesh.mTexCoords[pInput.mIndex].emplace_back(obj[0], obj[1], obj[2]);
             if (0 != acc.mSubOffset[2] || 0 != acc.mSubOffset[3]) {
                 pMesh.mNumUVComponents[pInput.mIndex] = 3;
             }
@@ -2113,7 +2113,7 @@ void ColladaParser::ReadSceneNode(XmlNode &node, Node *pNode) {
                 if (s[0] != '#') {
                     ASSIMP_LOG_ERROR("Collada: Unresolved reference format of node");
                 } else {
-                    pNode->mNodeInstances.push_back(NodeInstance());
+                    pNode->mNodeInstances.emplace_back();
                     pNode->mNodeInstances.back().mNode = s.c_str() + 1;
                 }
             }
@@ -2129,7 +2129,7 @@ void ColladaParser::ReadSceneNode(XmlNode &node, Node *pNode) {
                     throw DeadlyImportError("Unknown reference format in <instance_light> element");
                 }
 
-                pNode->mLights.push_back(LightInstance());
+                pNode->mLights.emplace_back();
                 pNode->mLights.back().mLight = url.c_str() + 1;
             }
         } else if (currentName == "instance_camera") {
@@ -2140,7 +2140,7 @@ void ColladaParser::ReadSceneNode(XmlNode &node, Node *pNode) {
                 if (url[0] != '#') {
                     throw DeadlyImportError("Unknown reference format in <instance_camera> element");
                 }
-                pNode->mCameras.push_back(CameraInstance());
+                pNode->mCameras.emplace_back();
                 pNode->mCameras.back().mCamera = url.c_str() + 1;
             }
         }

code/AssetLib/DXF/DXFLoader.cpp

@@ -110,16 +110,11 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-DXFImporter::DXFImporter()
+DXFImporter::DXFImporter() = default;
-: BaseImporter() {
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-DXFImporter::~DXFImporter() {
+DXFImporter::~DXFImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -475,7 +470,7 @@ void DXFImporter::ParseBlocks(DXF::LineReader& reader, DXF::FileData& output) {
 // ------------------------------------------------------------------------------------------------
 void DXFImporter::ParseBlock(DXF::LineReader& reader, DXF::FileData& output) {
     // push a new block onto the stack.
-    output.blocks.push_back( DXF::Block() );
+    output.blocks.emplace_back();
     DXF::Block& block = output.blocks.back();
 
     while( !reader.End() && !reader.Is(0,"ENDBLK")) {
@@ -520,7 +515,7 @@ void DXFImporter::ParseBlock(DXF::LineReader& reader, DXF::FileData& output) {
 // ------------------------------------------------------------------------------------------------
 void DXFImporter::ParseEntities(DXF::LineReader& reader, DXF::FileData& output) {
     // Push a new block onto the stack.
-    output.blocks.push_back( DXF::Block() );
+    output.blocks.emplace_back();
     DXF::Block& block = output.blocks.back();
 
     block.name = AI_DXF_ENTITIES_MAGIC_BLOCK;
@@ -550,7 +545,7 @@ void DXFImporter::ParseEntities(DXF::LineReader& reader, DXF::FileData& output)
 }
 
 void DXFImporter::ParseInsertion(DXF::LineReader& reader, DXF::FileData& output) {
-    output.blocks.back().insertions.push_back( DXF::InsertBlock() );
+    output.blocks.back().insertions.emplace_back();
     DXF::InsertBlock& bl = output.blocks.back().insertions.back();
 
     while( !reader.End() && !reader.Is(0)) {

code/AssetLib/FBX/FBXConverter.cpp

@@ -242,7 +242,7 @@ void FBXConverter::ConvertNodes(uint64_t id, aiNode *parent, aiNode *root_node)
             ai_assert(nodes_chain.size());
 
             if (need_additional_node) {
-                nodes_chain.emplace_back(PotentialNode(node_name));
+                nodes_chain.emplace_back(node_name);
             }
 
             //setup metadata on newest node
@@ -3319,7 +3319,7 @@ FBXConverter::KeyFrameListList FBXConverter::GetKeyframeList(const std::vector<c
                 }
             }
 
-            inputs.push_back(std::make_tuple(Keys, Values, mapto));
+            inputs.emplace_back(Keys, Values, mapto);
         }
     }
     return inputs; // pray for NRVO :-)
@@ -3396,7 +3396,7 @@ FBXConverter::KeyFrameListList FBXConverter::GetRotationKeyframeList(const std::
                     }
                 }
             }
-            inputs.push_back(std::make_tuple(Keys, Values, mapto));
+            inputs.emplace_back(Keys, Values, mapto);
         }
     }
     return inputs;

code/AssetLib/FBX/FBXDeformer.cpp

@@ -66,11 +66,7 @@ Deformer::Deformer(uint64_t id, const Element& element, const Document& doc, con
 }
 
 // ------------------------------------------------------------------------------------------------
-Deformer::~Deformer()
+Deformer::~Deformer() = default;
-{
-
-}
-
 
 // ------------------------------------------------------------------------------------------------
 Cluster::Cluster(uint64_t id, const Element& element, const Document& doc, const std::string& name)
@@ -119,11 +115,7 @@ Cluster::Cluster(uint64_t id, const Element& element, const Document& doc, const
 
 
 // ------------------------------------------------------------------------------------------------
-Cluster::~Cluster()
+Cluster::~Cluster() = default;
-{
-
-}
-
 
 // ------------------------------------------------------------------------------------------------
 Skin::Skin(uint64_t id, const Element& element, const Document& doc, const std::string& name)
@@ -152,10 +144,7 @@ Skin::Skin(uint64_t id, const Element& element, const Document& doc, const std::
 
 
 // ------------------------------------------------------------------------------------------------
-Skin::~Skin()
+Skin::~Skin() = default;
-{
-
-}
 // ------------------------------------------------------------------------------------------------
 BlendShape::BlendShape(uint64_t id, const Element& element, const Document& doc, const std::string& name)
     : Deformer(id, element, doc, name)
@@ -171,10 +160,7 @@ BlendShape::BlendShape(uint64_t id, const Element& element, const Document& doc,
     }
 }
 // ------------------------------------------------------------------------------------------------
-BlendShape::~BlendShape()
+BlendShape::~BlendShape() = default;
-{
-
-}
 // ------------------------------------------------------------------------------------------------
 BlendShapeChannel::BlendShapeChannel(uint64_t id, const Element& element, const Document& doc, const std::string& name)
     : Deformer(id, element, doc, name)
@@ -199,10 +185,7 @@ BlendShapeChannel::BlendShapeChannel(uint64_t id, const Element& element, const
     }
 }
 // ------------------------------------------------------------------------------------------------
-BlendShapeChannel::~BlendShapeChannel()
+BlendShapeChannel::~BlendShapeChannel() = default;
-{
-
-}
 // ------------------------------------------------------------------------------------------------
 }
 }

code/AssetLib/FBX/FBXMaterial.cpp

@@ -136,9 +136,7 @@ Material::Material(uint64_t id, const Element& element, const Document& doc, con
 
 
 // ------------------------------------------------------------------------------------------------
-Material::~Material() {
+Material::~Material() = default;
-    // empty
-}
 
     aiVector2D uvTrans;
     aiVector2D uvScaling;
@@ -255,9 +253,7 @@ Texture::Texture(uint64_t id, const Element& element, const Document& doc, const
 }
 
 
-Texture::~Texture() {
+Texture::~Texture() = default;
-    // empty
-}
 
 LayeredTexture::LayeredTexture(uint64_t id, const Element& element, const Document& /*doc*/, const std::string& name) :
         Object(id,element,name),
@@ -276,9 +272,7 @@ LayeredTexture::LayeredTexture(uint64_t id, const Element& element, const Docume
     }
 }
 
-LayeredTexture::~LayeredTexture() {
+LayeredTexture::~LayeredTexture() = default;
-    // empty
-}
 
 void LayeredTexture::fillTexture(const Document& doc) {
     const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID());

code/AssetLib/FBX/FBXMeshGeometry.cpp

@@ -665,9 +665,7 @@ ShapeGeometry::ShapeGeometry(uint64_t id, const Element& element, const std::str
 }
 
 // ------------------------------------------------------------------------------------------------
-ShapeGeometry::~ShapeGeometry() {
+ShapeGeometry::~ShapeGeometry() = default;
-    // empty
-}
 // ------------------------------------------------------------------------------------------------
 const std::vector<aiVector3D>& ShapeGeometry::GetVertices() const {
     return m_vertices;
@@ -695,9 +693,7 @@ LineGeometry::LineGeometry(uint64_t id, const Element& element, const std::strin
 }
 
 // ------------------------------------------------------------------------------------------------
-LineGeometry::~LineGeometry() {
+LineGeometry::~LineGeometry() = default;
-    // empty
-}
 // ------------------------------------------------------------------------------------------------
 const std::vector<aiVector3D>& LineGeometry::GetVertices() const {
     return m_vertices;

code/AssetLib/FBX/FBXParser.cpp

@@ -619,9 +619,9 @@ void ParseVectorDataArray(std::vector<aiVector3D>& out, const Element& el)
         if (type == 'd') {
             const double* d = reinterpret_cast<const double*>(&buff[0]);
             for (unsigned int i = 0; i < count3; ++i, d += 3) {
-                out.push_back(aiVector3D(static_cast<ai_real>(d[0]),
+                out.emplace_back(static_cast<ai_real>(d[0]),
                     static_cast<ai_real>(d[1]),
-                    static_cast<ai_real>(d[2])));
+                    static_cast<ai_real>(d[2]));
             }
             // for debugging
             /*for ( size_t i = 0; i < out.size(); i++ ) {
@@ -634,7 +634,7 @@ void ParseVectorDataArray(std::vector<aiVector3D>& out, const Element& el)
         else if (type == 'f') {
             const float* f = reinterpret_cast<const float*>(&buff[0]);
             for (unsigned int i = 0; i < count3; ++i, f += 3) {
-                out.push_back(aiVector3D(f[0],f[1],f[2]));
+                out.emplace_back(f[0],f[1],f[2]);
             }
         }
 
@@ -708,16 +708,16 @@ void ParseVectorDataArray(std::vector<aiColor4D>& out, const Element& el)
         if (type == 'd') {
             const double* d = reinterpret_cast<const double*>(&buff[0]);
             for (unsigned int i = 0; i < count4; ++i, d += 4) {
-                out.push_back(aiColor4D(static_cast<float>(d[0]),
+                out.emplace_back(static_cast<float>(d[0]),
                     static_cast<float>(d[1]),
                     static_cast<float>(d[2]),
-                    static_cast<float>(d[3])));
+                    static_cast<float>(d[3]));
             }
         }
         else if (type == 'f') {
             const float* f = reinterpret_cast<const float*>(&buff[0]);
             for (unsigned int i = 0; i < count4; ++i, f += 4) {
-                out.push_back(aiColor4D(f[0],f[1],f[2],f[3]));
+                out.emplace_back(f[0],f[1],f[2],f[3]);
             }
         }
         return;
@@ -789,13 +789,13 @@ void ParseVectorDataArray(std::vector<aiVector2D>& out, const Element& el) {
         if (type == 'd') {
             const double* d = reinterpret_cast<const double*>(&buff[0]);
             for (unsigned int i = 0; i < count2; ++i, d += 2) {
-                out.push_back(aiVector2D(static_cast<float>(d[0]),
+                out.emplace_back(static_cast<float>(d[0]),
-                    static_cast<float>(d[1])));
+                    static_cast<float>(d[1]));
             }
         } else if (type == 'f') {
             const float* f = reinterpret_cast<const float*>(&buff[0]);
             for (unsigned int i = 0; i < count2; ++i, f += 2) {
-                out.push_back(aiVector2D(f[0],f[1]));
+                out.emplace_back(f[0],f[1]);
             }
         }
 

code/AssetLib/FBX/FBXProperties.cpp

@@ -60,29 +60,23 @@ namespace FBX {
     using namespace Util;
 
 // ------------------------------------------------------------------------------------------------
-Property::Property()
+    Property::Property() = default;
-{
-}
 
-// ------------------------------------------------------------------------------------------------
+    // ------------------------------------------------------------------------------------------------
-Property::~Property()
+    Property::~Property() = default;
-{
-}
 
-namespace {
+    namespace {
 
-void checkTokenCount(const TokenList& tok, unsigned int expectedCount)
+    void checkTokenCount(const TokenList &tok, unsigned int expectedCount) {
-{
+        ai_assert(expectedCount >= 2);
-    ai_assert(expectedCount >= 2);
+        if (tok.size() < expectedCount) {
-    if (tok.size() < expectedCount) {
+            const std::string &s = ParseTokenAsString(*tok[1]);
-        const std::string& s = ParseTokenAsString(*tok[1]);
+            if (tok[1]->IsBinary()) {
-        if (tok[1]->IsBinary()) {
+                throw DeadlyImportError("Not enough tokens for property of type ", s, " at offset ", tok[1]->Offset());
-            throw DeadlyImportError("Not enough tokens for property of type ", s, " at offset ", tok[1]->Offset());
+            } else {
+                throw DeadlyImportError("Not enough tokens for property of type ", s, " at line ", tok[1]->Line());
+            }
         }
-        else {
-            throw DeadlyImportError("Not enough tokens for property of type ", s, " at line ", tok[1]->Line());
-        }
-    }
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/FBX/FBXTokenizer.cpp

@@ -79,9 +79,7 @@ Token::Token(const char* sbegin, const char* send, TokenType type, unsigned int
 }
 
 // ------------------------------------------------------------------------------------------------
-Token::~Token()
+
-{
-}
 
 namespace {
 

code/AssetLib/FBX/FBXTokenizer.h

@@ -96,7 +96,7 @@ public:
     /** construct a binary token */
     Token(const char* sbegin, const char* send, TokenType type, size_t offset);
 
-    ~Token();
+    ~Token() = default;
 
 public:
     std::string StringContents() const {

code/AssetLib/HMP/HMPLoader.cpp

@@ -72,15 +72,11 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-HMPImporter::HMPImporter() {
+HMPImporter::HMPImporter() = default;
-    // nothing to do here
-}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-HMPImporter::~HMPImporter() {
+HMPImporter::~HMPImporter() = default;
-    // nothing to do here
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/IFC/IFCBoolean.cpp

@@ -310,7 +310,7 @@ bool IntersectsBoundaryProfile(const IfcVector3 &e0, const IfcVector3 &e1, const
                 if (IfcVector2(diff.x, diff.y).SquareLength() < 1e-10)
                     continue;
             }
-            intersect_results.push_back(std::make_pair(i, e0));
+            intersect_results.emplace_back(i, e0);
             continue;
         }
 
@@ -324,7 +324,7 @@ bool IntersectsBoundaryProfile(const IfcVector3 &e0, const IfcVector3 &e1, const
                 if (IfcVector2(diff.x, diff.y).SquareLength() < 1e-10)
                     continue;
             }
-            intersect_results.push_back(std::make_pair(i, p));
+            intersect_results.emplace_back(i, p);
         }
     }
 
@@ -504,7 +504,7 @@ void ProcessPolygonalBoundedBooleanHalfSpaceDifference(const Schema_2x3::IfcPoly
                 }
                 // now add them to the list of intersections
                 for (size_t b = 0; b < intersected_boundary.size(); ++b)
-                    intersections.push_back(std::make_tuple(a, proj_inv * intersected_boundary[b].second, intersected_boundary[b].first));
+                    intersections.emplace_back(a, proj_inv * intersected_boundary[b].second, intersected_boundary[b].first);
 
                 // and calculate our new inside/outside state
                 if (intersected_boundary.size() & 1)

code/AssetLib/IFC/IFCCurve.cpp

@@ -224,7 +224,7 @@ public:
                 IFCImporter::LogVerboseDebug("ignoring transition code on composite curve segment, only continuous transitions are supported");
             }
 
-            curves.push_back( CurveEntry(bc,IsTrue(curveSegment.SameSense)) );
+            curves.emplace_back(bc,IsTrue(curveSegment.SameSense) );
             total += bc->GetParametricRangeDelta();
         }
 

code/AssetLib/IFC/IFCGeometry.cpp

@@ -170,7 +170,7 @@ void ProcessPolygonBoundaries(TempMesh& result, const TempMesh& inmesh, size_t m
             continue;
         }
 
-        fake_openings.push_back(TempOpening());
+        fake_openings.emplace_back();
         TempOpening& opening = fake_openings.back();
 
         opening.extrusionDir = master_normal;
@@ -612,7 +612,7 @@ void ProcessExtrudedArea(const Schema_2x3::IfcExtrudedAreaSolid& solid, const Te
             TempMesh& bounds = *t.profileMesh.get();
 
             if( bounds.mVerts.size() <= 2 ) {
-                nors.push_back(IfcVector3());
+                nors.emplace_back();
                 continue;
             }
             auto nor = ((bounds.mVerts[2] - bounds.mVerts[0]) ^ (bounds.mVerts[1] - bounds.mVerts[0])).Normalize();

code/AssetLib/IFC/IFCLoader.cpp

@@ -120,12 +120,11 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-IFCImporter::IFCImporter() {}
+IFCImporter::IFCImporter() = default;
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-IFCImporter::~IFCImporter() {
+IFCImporter::~IFCImporter() = default;
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/IFC/IFCOpenings.cpp

@@ -114,9 +114,9 @@ void QuadrifyPart(const IfcVector2& pmin, const IfcVector2& pmax, XYSortedField&
     if (!found) {
         // the rectangle [pmin,pend] is opaque, fill it
         out.push_back(pmin);
-        out.push_back(IfcVector2(pmin.x,pmax.y));
+        out.emplace_back(pmin.x,pmax.y);
         out.push_back(pmax);
-        out.push_back(IfcVector2(pmax.x,pmin.y));
+        out.emplace_back(pmax.x,pmin.y);
         return;
     }
 
@@ -126,9 +126,9 @@ void QuadrifyPart(const IfcVector2& pmin, const IfcVector2& pmax, XYSortedField&
     // see if there's an offset to fill at the top of our quad
     if (xs - pmin.x) {
         out.push_back(pmin);
-        out.push_back(IfcVector2(pmin.x,pmax.y));
+        out.emplace_back(pmin.x,pmax.y);
-        out.push_back(IfcVector2(xs,pmax.y));
+        out.emplace_back(xs,pmax.y);
-        out.push_back(IfcVector2(xs,pmin.y));
+        out.emplace_back(xs,pmin.y);
     }
 
     // search along the y-axis for all openings that overlap xs and our quad
@@ -159,10 +159,10 @@ void QuadrifyPart(const IfcVector2& pmin, const IfcVector2& pmax, XYSortedField&
     }
     if (!found) {
         // the rectangle [pmin,pend] is opaque, fill it
-        out.push_back(IfcVector2(xs,pmin.y));
+        out.emplace_back(xs,pmin.y);
-        out.push_back(IfcVector2(xs,pmax.y));
+        out.emplace_back(xs,pmax.y);
-        out.push_back(IfcVector2(xe,pmax.y));
+        out.emplace_back(xe,pmax.y);
-        out.push_back(IfcVector2(xe,pmin.y));
+        out.emplace_back(xe,pmin.y);
         return;
     }
     if (ylast < pmax.y) {
@@ -342,7 +342,7 @@ void InsertWindowContours(const ContourVector& contours,
                         if ((contour[a] - edge).SquareLength() > diag*diag*0.7) {
                             continue;
                         }
-                        curmesh.mVerts.push_back(IfcVector3(contour[a].x, contour[a].y, 0.0f));
+                        curmesh.mVerts.emplace_back(contour[a].x, contour[a].y, 0.0f);
                     }
 
                     if (edge != contour[last_hit]) {
@@ -363,7 +363,7 @@ void InsertWindowContours(const ContourVector& contours,
                             corner.y = bb.second.y;
                         }
 
-                        curmesh.mVerts.push_back(IfcVector3(corner.x, corner.y, 0.0f));
+                        curmesh.mVerts.emplace_back(corner.x, corner.y, 0.0f);
                     }
                     else if (cnt == 1) {
                         // avoid degenerate polygons (also known as lines or points)
@@ -399,7 +399,7 @@ void MergeWindowContours (const std::vector<IfcVector2>& a,
     ClipperLib::Polygon clip;
 
     for(const IfcVector2& pip : a) {
-        clip.push_back(ClipperLib::IntPoint(  to_int64(pip.x), to_int64(pip.y) ));
+        clip.emplace_back(to_int64(pip.x), to_int64(pip.y));
     }
 
     if (ClipperLib::Orientation(clip)) {
@@ -410,7 +410,7 @@ void MergeWindowContours (const std::vector<IfcVector2>& a,
     clip.clear();
 
     for(const IfcVector2& pip : b) {
-        clip.push_back(ClipperLib::IntPoint(  to_int64(pip.x), to_int64(pip.y) ));
+        clip.emplace_back(to_int64(pip.x), to_int64(pip.y));
     }
 
     if (ClipperLib::Orientation(clip)) {
@@ -433,7 +433,7 @@ void MakeDisjunctWindowContours (const std::vector<IfcVector2>& a,
     ClipperLib::Polygon clip;
 
     for(const IfcVector2& pip : a) {
-        clip.push_back(ClipperLib::IntPoint(  to_int64(pip.x), to_int64(pip.y) ));
+        clip.emplace_back(to_int64(pip.x), to_int64(pip.y));
     }
 
     if (ClipperLib::Orientation(clip)) {
@@ -444,7 +444,7 @@ void MakeDisjunctWindowContours (const std::vector<IfcVector2>& a,
     clip.clear();
 
     for(const IfcVector2& pip : b) {
-        clip.push_back(ClipperLib::IntPoint(  to_int64(pip.x), to_int64(pip.y) ));
+        clip.emplace_back(to_int64(pip.x), to_int64(pip.y));
     }
 
     if (ClipperLib::Orientation(clip)) {
@@ -466,7 +466,7 @@ void CleanupWindowContour(ProjectedWindowContour& window)
     ClipperLib::ExPolygons clipped;
 
     for(const IfcVector2& pip : contour) {
-        subject.push_back(ClipperLib::IntPoint(  to_int64(pip.x), to_int64(pip.y) ));
+        subject.emplace_back(to_int64(pip.x), to_int64(pip.y));
     }
 
     clipper.AddPolygon(subject,ClipperLib::ptSubject);
@@ -524,7 +524,7 @@ void CleanupOuterContour(const std::vector<IfcVector2>& contour_flat, TempMesh&
         ClipperLib::Polygon clip;
         clip.reserve(contour_flat.size());
         for(const IfcVector2& pip : contour_flat) {
-            clip.push_back(ClipperLib::IntPoint(  to_int64(pip.x), to_int64(pip.y) ));
+            clip.emplace_back(to_int64(pip.x), to_int64(pip.y));
         }
 
         if (!ClipperLib::Orientation(clip)) {
@@ -544,7 +544,7 @@ void CleanupOuterContour(const std::vector<IfcVector2>& contour_flat, TempMesh&
                     continue;
                 }
             }
-            subject.push_back(ClipperLib::IntPoint(  to_int64(pip.x), to_int64(pip.y) ));
+            subject.emplace_back(to_int64(pip.x), to_int64(pip.y));
             if (--countdown == 0) {
                 if (!ClipperLib::Orientation(subject)) {
                     std::reverse(subject.begin(), subject.end());
@@ -558,10 +558,10 @@ void CleanupOuterContour(const std::vector<IfcVector2>& contour_flat, TempMesh&
                 for(const ClipperLib::ExPolygon& ex : clipped) {
                     iold.push_back(static_cast<unsigned int>(ex.outer.size()));
                     for(const ClipperLib::IntPoint& point : ex.outer) {
-                        vold.push_back(IfcVector3(
+                        vold.emplace_back(
                             from_int64(point.X),
                             from_int64(point.Y),
-                            0.0f));
+                            0.0f);
                     }
                 }
 
@@ -1039,7 +1039,7 @@ void Quadrify(const std::vector< BoundingBox >& bbs, TempMesh& curmesh)
     curmesh.mVertcnt.resize(quads.size()/4,4);
     curmesh.mVerts.reserve(quads.size());
     for(const IfcVector2& v2 : quads) {
-        curmesh.mVerts.push_back(IfcVector3(v2.x, v2.y, static_cast<IfcFloat>(0.0)));
+        curmesh.mVerts.emplace_back(v2.x, v2.y, static_cast<IfcFloat>(0.0));
     }
 }
 
@@ -1095,7 +1095,7 @@ IfcMatrix4 ProjectOntoPlane(std::vector<IfcVector2>& out_contour, const TempMesh
         vmin = std::min(vv, vmin);
         vmax = std::max(vv, vmax);
 
-        out_contour.push_back(IfcVector2(vv.x,vv.y));
+        out_contour.emplace_back(vv.x,vv.y);
     }
 
     zcoord /= in_verts.size();
@@ -1128,7 +1128,7 @@ IfcMatrix4 ProjectOntoPlane(std::vector<IfcVector2>& out_contour, const TempMesh
     for(const IfcVector3& x : in_verts) {
         const IfcVector3& vv = m * x;
 
-        out_contour2.push_back(IfcVector2(vv.x,vv.y));
+        out_contour2.emplace_back(vv.x,vv.y);
         ai_assert(std::fabs(vv.z) < vmax.z + 1e-8);
     }
 
@@ -1378,12 +1378,12 @@ bool GenerateOpenings(std::vector<TempOpening>& openings,
 
         if(!temp_contour.empty()) {
             if (generate_connection_geometry) {
-                contours_to_openings.push_back(std::vector<TempOpening*>(
+                contours_to_openings.emplace_back(
-                    joined_openings.begin(),
+                        joined_openings.begin(),
-                    joined_openings.end()));
+                        joined_openings.end());
             }
 
-            contours.push_back(ProjectedWindowContour(temp_contour, bb, is_rectangle));
+            contours.emplace_back(temp_contour, bb, is_rectangle);
         }
     }
 
@@ -1469,7 +1469,7 @@ std::vector<IfcVector2> GetContourInPlane2D(const std::shared_ptr<TempMesh>& mes
 
         // XXX should not be necessary - but it is. Why? For precision reasons?
         vv = is_extruded_side ? vv_extr : vv;
-        contour.push_back(IfcVector2(vv.x,vv.y));
+        contour.emplace_back(vv.x,vv.y);
     }
     ok = true;
 
@@ -1758,7 +1758,7 @@ bool TryAddOpenings_Poly2Tri(const std::vector<TempOpening>& openings,
         vmin = std::min(IfcVector2(vv.x, vv.y), vmin);
         vmax = std::max(IfcVector2(vv.x, vv.y), vmax);
 
-        contour_flat.push_back(IfcVector2(vv.x,vv.y));
+        contour_flat.emplace_back(vv.x,vv.y);
     }
 
     // With the current code in DerivePlaneCoordinateSpace,
@@ -1791,7 +1791,7 @@ bool TryAddOpenings_Poly2Tri(const std::vector<TempOpening>& openings,
                     pip.x = (pip.x - vmin.x) / vmax.x;
                     pip.y = (pip.y - vmin.y) / vmax.y;
 
-                    hole.push_back(ClipperLib::IntPoint(to_int64(pip.x),to_int64(pip.y)));
+                    hole.emplace_back(to_int64(pip.x), to_int64(pip.y));
                 }
 
                 if(!ClipperLib::Orientation(hole)) {
@@ -1833,7 +1833,7 @@ bool TryAddOpenings_Poly2Tri(const std::vector<TempOpening>& openings,
                 pip.x  = (pip.x - vmin.x) / vmax.x;
                 pip.y  = (pip.y - vmin.y) / vmax.y;
 
-                poly.push_back(ClipperLib::IntPoint( to_int64(pip.x), to_int64(pip.y) ));
+                poly.emplace_back(to_int64(pip.x), to_int64(pip.y));
             }
 
             if (ClipperLib::Orientation(poly)) {
@@ -1891,7 +1891,7 @@ bool TryAddOpenings_Poly2Tri(const std::vector<TempOpening>& openings,
         // Build the poly2tri inner contours for all holes we got from ClipperLib
         for(ClipperLib::Polygon& opening : clip.holes) {
 
-            contours.push_back(std::vector<p2t::Point*>());
+            contours.emplace_back();
             std::vector<p2t::Point*>& contour = contours.back();
 
             for(ClipperLib::IntPoint& point : opening) {

code/AssetLib/IFC/IFCProfile.cpp

@@ -108,10 +108,10 @@ void ProcessParametrizedProfile(const Schema_2x3::IfcParameterizedProfileDef& de
         const IfcFloat x = cprofile->XDim*0.5f, y = cprofile->YDim*0.5f;
 
         meshout.mVerts.reserve(meshout.mVerts.size()+4);
-        meshout.mVerts.push_back( IfcVector3( x, y, 0.f ));
+        meshout.mVerts.emplace_back( x, y, 0.f );
-        meshout.mVerts.push_back( IfcVector3(-x, y, 0.f ));
+        meshout.mVerts.emplace_back(-x, y, 0.f );
-        meshout.mVerts.push_back( IfcVector3(-x,-y, 0.f ));
+        meshout.mVerts.emplace_back(-x,-y, 0.f );
-        meshout.mVerts.push_back( IfcVector3( x,-y, 0.f ));
+        meshout.mVerts.emplace_back( x,-y, 0.f );
         meshout.mVertcnt.push_back(4);
     }
     else if( const Schema_2x3::IfcCircleProfileDef* const circle = def.ToPtr<Schema_2x3::IfcCircleProfileDef>()) {
@@ -125,7 +125,7 @@ void ProcessParametrizedProfile(const Schema_2x3::IfcParameterizedProfileDef& de
 
         IfcFloat angle = 0.f;
         for(size_t i = 0; i < segments; ++i, angle += delta) {
-            meshout.mVerts.push_back( IfcVector3( std::cos(angle)*radius, std::sin(angle)*radius, 0.f ));
+            meshout.mVerts.emplace_back( std::cos(angle)*radius, std::sin(angle)*radius, 0.f );
         }
 
         meshout.mVertcnt.push_back(static_cast<unsigned int>(segments));
@@ -136,18 +136,18 @@ void ProcessParametrizedProfile(const Schema_2x3::IfcParameterizedProfileDef& de
         const IfcFloat inner_height = ishape->OverallDepth - ishape->FlangeThickness * 2;
 
         meshout.mVerts.reserve(12);
-        meshout.mVerts.push_back(IfcVector3(0,0,0));
+        meshout.mVerts.emplace_back(0,0,0);
-        meshout.mVerts.push_back(IfcVector3(0,ishape->FlangeThickness,0));
+        meshout.mVerts.emplace_back(0,ishape->FlangeThickness,0);
-        meshout.mVerts.push_back(IfcVector3(offset,ishape->FlangeThickness,0));
+        meshout.mVerts.emplace_back(offset,ishape->FlangeThickness,0);
-        meshout.mVerts.push_back(IfcVector3(offset,ishape->FlangeThickness + inner_height,0));
+        meshout.mVerts.emplace_back(offset,ishape->FlangeThickness + inner_height,0);
-        meshout.mVerts.push_back(IfcVector3(0,ishape->FlangeThickness + inner_height,0));
+        meshout.mVerts.emplace_back(0,ishape->FlangeThickness + inner_height,0);
-        meshout.mVerts.push_back(IfcVector3(0,ishape->OverallDepth,0));
+        meshout.mVerts.emplace_back(0,ishape->OverallDepth,0);
-        meshout.mVerts.push_back(IfcVector3(ishape->OverallWidth,ishape->OverallDepth,0));
+        meshout.mVerts.emplace_back(ishape->OverallWidth,ishape->OverallDepth,0);
-        meshout.mVerts.push_back(IfcVector3(ishape->OverallWidth,ishape->FlangeThickness + inner_height,0));
+        meshout.mVerts.emplace_back(ishape->OverallWidth,ishape->FlangeThickness + inner_height,0);
-        meshout.mVerts.push_back(IfcVector3(offset+ishape->WebThickness,ishape->FlangeThickness + inner_height,0));
+        meshout.mVerts.emplace_back(offset+ishape->WebThickness,ishape->FlangeThickness + inner_height,0);
-        meshout.mVerts.push_back(IfcVector3(offset+ishape->WebThickness,ishape->FlangeThickness,0));
+        meshout.mVerts.emplace_back(offset+ishape->WebThickness,ishape->FlangeThickness,0);
-        meshout.mVerts.push_back(IfcVector3(ishape->OverallWidth,ishape->FlangeThickness,0));
+        meshout.mVerts.emplace_back(ishape->OverallWidth,ishape->FlangeThickness,0);
-        meshout.mVerts.push_back(IfcVector3(ishape->OverallWidth,0,0));
+        meshout.mVerts.emplace_back(ishape->OverallWidth,0,0);
 
         meshout.mVertcnt.push_back(12);
     }

code/AssetLib/IFC/IFCUtil.cpp

@@ -201,7 +201,7 @@ void TempMesh::ComputePolygonNormals(std::vector<IfcVector3>& normals,
     size_t vidx = std::accumulate(mVertcnt.begin(),begin,0);
     for(iit = begin; iit != end; vidx += *iit++) {
         if (!*iit) {
-            normals.push_back(IfcVector3());
+            normals.emplace_back();
             continue;
         }
         for(size_t vofs = 0, cnt = 0; vofs < *iit; ++vofs) {
@@ -215,7 +215,7 @@ void TempMesh::ComputePolygonNormals(std::vector<IfcVector3>& normals,
             ++cnt;
         }
 
-        normals.push_back(IfcVector3());
+        normals.emplace_back();
         NewellNormal<4,4,4>(normals.back(),*iit,&temp[0],&temp[1],&temp[2]);
     }
 

code/AssetLib/IFC/IFCUtil.h

@@ -344,8 +344,7 @@ protected:
 public:
     typedef std::pair<IfcFloat, IfcFloat> ParamRange;
 
-    virtual ~Curve() {}
+    virtual ~Curve() = default;
-
 
     // check if a curve is closed
     virtual bool IsClosed() const = 0;

code/AssetLib/IQM/IQMImporter.h

@@ -56,9 +56,9 @@ class IQMImporter : public BaseImporter {
 public:
 	/// \brief  Default constructor
 	IQMImporter();
-    ~IQMImporter() override {}
+    ~IQMImporter() override = default;
 
-	/// \brief  Returns whether the class can handle the format of the given file.
+    /// \brief  Returns whether the class can handle the format of the given file.
 	/// \remark See BaseImporter::CanRead() for details.
 	bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const override;
 

code/AssetLib/Irr/IRRLoader.cpp

@@ -88,9 +88,7 @@ IRRImporter::IRRImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-IRRImporter::~IRRImporter() {
+IRRImporter::~IRRImporter() = default;
-	// empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -628,7 +626,7 @@ void IRRImporter::GenerateGraph(Node *root, aiNode *rootOut, aiScene *scene,
 				ASSIMP_LOG_ERROR("IRR: Unable to load external file: ", root->meshPath);
 				break;
 			}
-			attach.push_back(AttachmentInfo(localScene, rootOut));
+			attach.emplace_back(localScene, rootOut);
 
 			// Now combine the material we've loaded for this mesh
 			// with the real materials we got from the file. As we
@@ -979,7 +977,7 @@ void IRRImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
 					// Materials can occur for nearly any type of node
 					if (inMaterials && curNode->type != Node::DUMMY) {
 						//  This is a material description - parse it!
-						curNode->materials.push_back(std::pair<aiMaterial *, unsigned int>());
+						curNode->materials.emplace_back();
 						std::pair<aiMaterial *, unsigned int> &p = curNode->materials.back();
 
 						p.first = ParseMaterial(p.second);
@@ -988,7 +986,7 @@ void IRRImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
 					} else if (inAnimator) {
 						//  This is an animation path - add a new animator
 						//  to the list.
-						curNode->animators.push_back(Animator());
+						curNode->animators.emplace_back();
 						curAnim = &curNode->animators.back();
 
 						++guessedAnimCnt;
@@ -1015,7 +1013,7 @@ void IRRImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
 										// here N is the ONE-based index of the point
 										if (prop.name.length() >= 6 && prop.name.substr(0, 5) == "Point") {
 											// Add a new key to the list
-											curAnim->splineKeys.push_back(aiVectorKey());
+											curAnim->splineKeys.emplace_back();
 											aiVectorKey &key = curAnim->splineKeys.back();
 
 											// and parse its properties

code/AssetLib/Irr/IRRLoader.h

@@ -206,8 +206,7 @@ private:
      */
     struct SkyboxVertex
     {
-        SkyboxVertex()
+        SkyboxVertex() = default;
-        {}
 
         //! Construction from single vertex components
         SkyboxVertex(ai_real px, ai_real py, ai_real pz,

code/AssetLib/Irr/IRRMeshLoader.cpp

@@ -79,7 +79,7 @@ IRRMeshImporter::IRRMeshImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-IRRMeshImporter::~IRRMeshImporter() {}
+IRRMeshImporter::~IRRMeshImporter() = default;
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/LWO/LWOBLoader.cpp

@@ -218,7 +218,7 @@ void LWOImporter::CopyFaceIndicesLWOB(FaceList::iterator& it,
 // ------------------------------------------------------------------------------------------------
 LWO::Texture* LWOImporter::SetupNewTextureLWOB(LWO::TextureList& list,unsigned int size)
 {
-    list.push_back(LWO::Texture());
+    list.emplace_back();
     LWO::Texture* tex = &list.back();
 
     std::string type;

code/AssetLib/LWO/LWOFileData.h

@@ -338,13 +338,7 @@ struct Face : public aiFace {
     uint32_t type;
 
     //! Assignment operator
-    Face &operator=(const LWO::Face &f) {
+    Face &operator=(const LWO::Face &f) = default;
-        aiFace::operator=(f);
-        surfaceIndex = f.surfaceIndex;
-        smoothGroup = f.smoothGroup;
-        type = f.type;
-        return *this;
-    }
 };
 
 // ---------------------------------------------------------------------------
@@ -354,7 +348,7 @@ struct VMapEntry {
     explicit VMapEntry(unsigned int _dims) :
             dims(_dims) {}
 
-    virtual ~VMapEntry() {}
+    virtual ~VMapEntry() = default;
 
     //! allocates memory for the vertex map
     virtual void Allocate(unsigned int num) {

code/AssetLib/LWO/LWOLoader.cpp

@@ -100,9 +100,7 @@ LWOImporter::LWOImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-LWOImporter::~LWOImporter() {
+LWOImporter::~LWOImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -1097,7 +1095,7 @@ void LWOImporter::LoadLWO2VertexMap(unsigned int length, bool perPoly) {
 void LWOImporter::LoadLWO2Clip(unsigned int length) {
     AI_LWO_VALIDATE_CHUNK_LENGTH(length, CLIP, 10);
 
-    mClips.push_back(LWO::Clip());
+    mClips.emplace_back();
     LWO::Clip &clip = mClips.back();
 
     // first - get the index of the clip
@@ -1167,7 +1165,7 @@ void LWOImporter::LoadLWO2Clip(unsigned int length) {
 void LWOImporter::LoadLWO3Clip(unsigned int length) {
     AI_LWO_VALIDATE_CHUNK_LENGTH(length, CLIP, 12);
 
-    mClips.push_back(LWO::Clip());
+    mClips.emplace_back();
     LWO::Clip &clip = mClips.back();
 
     // first - get the index of the clip
@@ -1240,7 +1238,7 @@ void LWOImporter::LoadLWO2Envelope(unsigned int length) {
     LE_NCONST uint8_t *const end = mFileBuffer + length;
     AI_LWO_VALIDATE_CHUNK_LENGTH(length, ENVL, 4);
 
-    mEnvelopes.push_back(LWO::Envelope());
+    mEnvelopes.emplace_back();
     LWO::Envelope &envelope = mEnvelopes.back();
 
     // Get the index of the envelope
@@ -1292,7 +1290,7 @@ void LWOImporter::LoadLWO2Envelope(unsigned int length) {
             case AI_LWO_KEY: {
                 AI_LWO_VALIDATE_CHUNK_LENGTH(head.length, KEY, 8);
 
-                envelope.keys.push_back(LWO::Key());
+                envelope.keys.emplace_back();
                 LWO::Key &key = envelope.keys.back();
 
                 key.time = GetF4();
@@ -1348,7 +1346,7 @@ void LWOImporter::LoadLWO3Envelope(unsigned int length) {
     LE_NCONST uint8_t *const end = mFileBuffer + length;
     AI_LWO_VALIDATE_CHUNK_LENGTH(length, ENVL, 4);
 
-    mEnvelopes.push_back(LWO::Envelope());
+    mEnvelopes.emplace_back();
     LWO::Envelope &envelope = mEnvelopes.back();
 
     // Get the index of the envelope
@@ -1390,7 +1388,7 @@ void LWOImporter::LoadLWO3Envelope(unsigned int length) {
             case AI_LWO_KEY: {
                 AI_LWO_VALIDATE_CHUNK_LENGTH(head.length, KEY, 10);
 
-                envelope.keys.push_back(LWO::Key());
+                envelope.keys.emplace_back();
                 LWO::Key &key = envelope.keys.back();
 
                 key.time = GetF4();

code/AssetLib/LWO/LWOMaterial.cpp

@@ -707,12 +707,10 @@ void LWOImporter::LoadNodalBlocks(unsigned int size) {
         if (mFileBuffer + head.length > end) {
             throw DeadlyImportError("LWO3: cannot read length; LoadNodalBlocks");
         }
-        int node_idx = 0;
         uint8_t *const next = mFileBuffer + head.length;
         mFileBuffer += bufOffset;
         switch (head.type) {
         case AI_LWO_NNDS:
-            node_idx++;
             LoadNodes(head.length);
             break;
         }

code/AssetLib/LWS/LWSLoader.cpp

@@ -90,7 +90,7 @@ void LWS::Element::Parse(const char *&buffer) {
         } else if (*buffer == '}')
             return;
 
-        children.push_back(Element());
+        children.emplace_back();
 
         // copy data line - read token per token
 
@@ -141,9 +141,7 @@ LWSImporter::LWSImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-LWSImporter::~LWSImporter() {
+LWSImporter::~LWSImporter() = default;
-    // nothing to do here
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -199,7 +197,7 @@ void LWSImporter::ReadEnvelope(const LWS::Element &dad, LWO::Envelope &fill) {
         const char *c = (*it).tokens[1].c_str();
 
         if ((*it).tokens[0] == "Key") {
-            fill.keys.push_back(LWO::Key());
+            fill.keys.emplace_back();
             LWO::Key &key = fill.keys.back();
 
             float f;
@@ -262,7 +260,7 @@ void LWSImporter::ReadEnvelope_Old(
     num = strtoul10((*it).tokens[0].c_str());
     for (unsigned int i = 0; i < num; ++i) {
 
-        nodes.channels.push_back(LWO::Envelope());
+        nodes.channels.emplace_back();
         LWO::Envelope &envl = nodes.channels.back();
 
         envl.index = i;
@@ -384,7 +382,7 @@ void LWSImporter::BuildGraph(aiNode *nd, LWS::NodeDesc &src, std::vector<Attachm
 
         //Push attachment, if the object came from an external file
         if (obj) {
-            attach.push_back(AttachmentInfo(obj, nd));
+            attach.emplace_back(obj, nd);
         }
     }
 
@@ -516,7 +514,7 @@ void LWSImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
     std::list<LWS::NodeDesc> nodes;
 
     unsigned int cur_light = 0, cur_camera = 0, cur_object = 0;
-    unsigned int num_light = 0, num_camera = 0, num_object = 0;
+    unsigned int num_light = 0, num_camera = 0;
 
     // check magic identifier, 'LWSC'
     bool motion_file = false;
@@ -586,7 +584,6 @@ void LWSImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
             d.id = batch.AddLoadRequest(path, 0, &props);
 
             nodes.push_back(d);
-            ++num_object;
         } else if ((*it).tokens[0] == "LoadObject") { // 'LoadObject': load a LWO file into the scene-graph
 
             // add node to list
@@ -604,7 +601,6 @@ void LWSImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
 
             d.path = path;
             nodes.push_back(d);
-            ++num_object;
         } else if ((*it).tokens[0] == "AddNullObject") { // 'AddNullObject': add a dummy node to the hierarchy
 
             // add node to list
@@ -618,8 +614,6 @@ void LWSImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
             }
             d.name = c;
             nodes.push_back(d);
-
-            num_object++;
         }
         // 'NumChannels': Number of envelope channels assigned to last layer
         else if ((*it).tokens[0] == "NumChannels") {
@@ -641,7 +635,7 @@ void LWSImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
             }
 
             // important: index of channel
-            nodes.back().channels.push_back(LWO::Envelope());
+            nodes.back().channels.emplace_back();
             LWO::Envelope &env = nodes.back().channels.back();
 
             env.index = strtoul10(c);

code/AssetLib/LWS/LWSLoader.h

@@ -69,7 +69,7 @@ namespace LWS {
  */
 class Element {
 public:
-    Element() {}
+    Element() = default;
 
     // first: name, second: rest
     std::string tokens[2];

code/AssetLib/MD2/MD2Loader.cpp

@@ -102,8 +102,7 @@ MD2Importer::MD2Importer()
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-MD2Importer::~MD2Importer()
+MD2Importer::~MD2Importer() = default;
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/MD3/MD3Loader.cpp

@@ -144,7 +144,7 @@ bool Q3Shader::LoadShader(ShaderData &fill, const std::string &pFile, IOSystem *
                 if (*buff == '{') {
                     ++buff;
                     // add new map section
-                    curData->maps.push_back(Q3Shader::ShaderMapBlock());
+                    curData->maps.emplace_back();
                     curMap = &curData->maps.back();
 
                     for (; SkipSpacesAndLineEnd(&buff); SkipLine(&buff)) {
@@ -209,7 +209,7 @@ bool Q3Shader::LoadShader(ShaderData &fill, const std::string &pFile, IOSystem *
             }
         } else {
             // add new section
-            fill.blocks.push_back(Q3Shader::ShaderDataBlock());
+            fill.blocks.emplace_back();
             curData = &fill.blocks.back();
 
             // get the name of this section
@@ -249,7 +249,7 @@ bool Q3Shader::LoadSkin(SkinData &fill, const std::string &pFile, IOSystem *io)
         if (!::strncmp(&ss[0], "tag_", std::min((size_t)4, ss.length())))
             continue;
 
-        fill.textures.push_back(SkinData::TextureEntry());
+        fill.textures.emplace_back();
         SkinData::TextureEntry &entry = fill.textures.back();
 
         entry.first = ss;
@@ -345,7 +345,7 @@ MD3Importer::MD3Importer() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-MD3Importer::~MD3Importer() {}
+MD3Importer::~MD3Importer() = default;
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -584,7 +584,7 @@ bool MD3Importer::ReadMultipartFile() {
 
         // original root
         scene_lower->mRootNode->mName.Set("lower");
-        attach.push_back(AttachmentInfo(scene_lower, nd));
+        attach.emplace_back(scene_lower, nd);
 
         // tag_torso
         tag_torso = scene_lower->mRootNode->FindNode("tag_torso");
@@ -593,7 +593,7 @@ bool MD3Importer::ReadMultipartFile() {
             goto error_cleanup;
         }
         scene_upper->mRootNode->mName.Set("upper");
-        attach.push_back(AttachmentInfo(scene_upper, tag_torso));
+        attach.emplace_back(scene_upper, tag_torso);
 
         // tag_head
         tag_head = scene_upper->mRootNode->FindNode("tag_head");
@@ -602,7 +602,7 @@ bool MD3Importer::ReadMultipartFile() {
             goto error_cleanup;
         }
         scene_head->mRootNode->mName.Set("head");
-        attach.push_back(AttachmentInfo(scene_head, tag_head));
+        attach.emplace_back(scene_head, tag_head);
 
         // Remove tag_head and tag_torso from all other model parts ...
         // this ensures (together with AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY)

code/AssetLib/MD5/MD5Loader.cpp

@@ -94,9 +94,7 @@ MD5Importer::MD5Importer() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-MD5Importer::~MD5Importer() {
+MD5Importer::~MD5Importer() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/MD5/MD5Parser.cpp

@@ -76,7 +76,7 @@ MD5Parser::MD5Parser(char *_buffer, unsigned int _fileSize) {
     // and read all sections until we're finished
     bool running = true;
     while (running) {
-        mSections.push_back(Section());
+        mSections.emplace_back();
         Section &sec = mSections.back();
         if (!ParseSection(sec)) {
             break;
@@ -158,7 +158,7 @@ bool MD5Parser::ParseSection(Section &out) {
                     break;
                 }
 
-                out.mElements.push_back(Element());
+                out.mElements.emplace_back();
                 Element &elem = out.mElements.back();
 
                 elem.iLineNumber = lineNumber;
@@ -253,7 +253,7 @@ MD5MeshParser::MD5MeshParser(SectionList &mSections) {
         } else if ((*iter).mName == "joints") {
             // "origin" -1 ( -0.000000 0.016430 -0.006044 ) ( 0.707107 0.000000 0.707107 )
             for (const auto &elem : (*iter).mElements) {
-                mJoints.push_back(BoneDesc());
+                mJoints.emplace_back();
                 BoneDesc &desc = mJoints.back();
 
                 const char *sz = elem.szStart;
@@ -267,7 +267,7 @@ MD5MeshParser::MD5MeshParser(SectionList &mSections) {
                 AI_MD5_READ_TRIPLE(desc.mRotationQuat); // normalized quaternion, so w is not there
             }
         } else if ((*iter).mName == "mesh") {
-            mMeshes.push_back(MeshDesc());
+            mMeshes.emplace_back();
             MeshDesc &desc = mMeshes.back();
 
             for (const auto &elem : (*iter).mElements) {
@@ -364,7 +364,7 @@ MD5AnimParser::MD5AnimParser(SectionList &mSections) {
         if ((*iter).mName == "hierarchy") {
             // "sheath" 0 63 6
             for (const auto &elem : (*iter).mElements) {
-                mAnimatedBones.push_back(AnimBoneDesc());
+                mAnimatedBones.emplace_back();
                 AnimBoneDesc &desc = mAnimatedBones.back();
 
                 const char *sz = elem.szStart;
@@ -389,7 +389,7 @@ MD5AnimParser::MD5AnimParser(SectionList &mSections) {
             for (const auto &elem : (*iter).mElements) {
                 const char *sz = elem.szStart;
 
-                mBaseFrames.push_back(BaseFrameDesc());
+                mBaseFrames.emplace_back();
                 BaseFrameDesc &desc = mBaseFrames.back();
 
                 AI_MD5_READ_TRIPLE(desc.vPositionXYZ);
@@ -401,7 +401,7 @@ MD5AnimParser::MD5AnimParser(SectionList &mSections) {
                 continue;
             }
 
-            mFrames.push_back(FrameDesc());
+            mFrames.emplace_back();
             FrameDesc &desc = mFrames.back();
             desc.iIndex = strtoul10((*iter).mGlobalValue.c_str());
 
@@ -459,7 +459,7 @@ MD5CameraParser::MD5CameraParser(SectionList &mSections) {
             for (const auto &elem : (*iter).mElements) {
                 const char *sz = elem.szStart;
 
-                frames.push_back(CameraAnimFrameDesc());
+                frames.emplace_back();
                 CameraAnimFrameDesc &cur = frames.back();
                 AI_MD5_READ_TRIPLE(cur.vPositionXYZ);
                 AI_MD5_READ_TRIPLE(cur.vRotationQuat);

code/AssetLib/MDC/MDCLoader.cpp

@@ -105,9 +105,7 @@ MDCImporter::MDCImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-MDCImporter::~MDCImporter() {
+MDCImporter::~MDCImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -271,13 +269,13 @@ void MDCImporter::InternReadFile(
             pcMesh->mMaterialIndex = (unsigned int)aszShaders.size();
 
             // create a new shader
-            aszShaders.push_back(std::string(pcShader->ucName,
+            aszShaders.emplace_back(pcShader->ucName,
-                    ::strnlen(pcShader->ucName, sizeof(pcShader->ucName))));
+                    ::strnlen(pcShader->ucName, sizeof(pcShader->ucName)));
         }
         // need to create a default material
         else if (UINT_MAX == iDefaultMatIndex) {
             pcMesh->mMaterialIndex = iDefaultMatIndex = (unsigned int)aszShaders.size();
-            aszShaders.push_back(std::string());
+            aszShaders.emplace_back();
         }
         // otherwise assign a reference to the default material
         else

code/AssetLib/MDL/HalfLife/UniqueNameGenerator.cpp

@@ -68,8 +68,7 @@ UniqueNameGenerator::UniqueNameGenerator(const char *template_name, const char *
     separator_(separator) {
 }
 
-UniqueNameGenerator::~UniqueNameGenerator() {
+UniqueNameGenerator::~UniqueNameGenerator() = default;
-}
 
 void UniqueNameGenerator::make_unique(std::vector<std::string> &names) {
     struct DuplicateInfo {

code/AssetLib/MDL/MDLLoader.cpp

@@ -98,9 +98,7 @@ MDLImporter::MDLImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-MDLImporter::~MDLImporter() {
+MDLImporter::~MDLImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/MMD/MMDImporter.cpp

@@ -83,9 +83,7 @@ MMDImporter::MMDImporter() :
 
 // ------------------------------------------------------------------------------------------------
 //  Destructor.
-MMDImporter::~MMDImporter() {
+MMDImporter::~MMDImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 //  Returns true, if file is an pmx file.
@@ -271,43 +269,30 @@ aiMesh *MMDImporter::CreateMesh(const pmx::PmxModel *pModel,
                 dynamic_cast<pmx::PmxVertexSkinningSDEF *>(v->skinning.get());
         switch (v->skinning_type) {
         case pmx::PmxVertexSkinningType::BDEF1:
-            bone_vertex_map[vsBDEF1_ptr->bone_index].push_back(
+            bone_vertex_map[vsBDEF1_ptr->bone_index].emplace_back(index, 1.0);
-                    aiVertexWeight(index, 1.0));
             break;
         case pmx::PmxVertexSkinningType::BDEF2:
-            bone_vertex_map[vsBDEF2_ptr->bone_index1].push_back(
+            bone_vertex_map[vsBDEF2_ptr->bone_index1].emplace_back(index, vsBDEF2_ptr->bone_weight);
-                    aiVertexWeight(index, vsBDEF2_ptr->bone_weight));
+            bone_vertex_map[vsBDEF2_ptr->bone_index2].emplace_back(index, 1.0f - vsBDEF2_ptr->bone_weight);
-            bone_vertex_map[vsBDEF2_ptr->bone_index2].push_back(
-                    aiVertexWeight(index, 1.0f - vsBDEF2_ptr->bone_weight));
             break;
         case pmx::PmxVertexSkinningType::BDEF4:
-            bone_vertex_map[vsBDEF4_ptr->bone_index1].push_back(
+            bone_vertex_map[vsBDEF4_ptr->bone_index1].emplace_back(index, vsBDEF4_ptr->bone_weight1);
-                    aiVertexWeight(index, vsBDEF4_ptr->bone_weight1));
+            bone_vertex_map[vsBDEF4_ptr->bone_index2].emplace_back(index, vsBDEF4_ptr->bone_weight2);
-            bone_vertex_map[vsBDEF4_ptr->bone_index2].push_back(
+            bone_vertex_map[vsBDEF4_ptr->bone_index3].emplace_back(index, vsBDEF4_ptr->bone_weight3);
-                    aiVertexWeight(index, vsBDEF4_ptr->bone_weight2));
+            bone_vertex_map[vsBDEF4_ptr->bone_index4].emplace_back(index, vsBDEF4_ptr->bone_weight4);
-            bone_vertex_map[vsBDEF4_ptr->bone_index3].push_back(
-                    aiVertexWeight(index, vsBDEF4_ptr->bone_weight3));
-            bone_vertex_map[vsBDEF4_ptr->bone_index4].push_back(
-                    aiVertexWeight(index, vsBDEF4_ptr->bone_weight4));
             break;
         case pmx::PmxVertexSkinningType::SDEF: // TODO: how to use sdef_c, sdef_r0,
                 // sdef_r1?
-            bone_vertex_map[vsSDEF_ptr->bone_index1].push_back(
+            bone_vertex_map[vsSDEF_ptr->bone_index1].emplace_back(index, vsSDEF_ptr->bone_weight);
-                    aiVertexWeight(index, vsSDEF_ptr->bone_weight));
+            bone_vertex_map[vsSDEF_ptr->bone_index2].emplace_back(index, 1.0f - vsSDEF_ptr->bone_weight);
-            bone_vertex_map[vsSDEF_ptr->bone_index2].push_back(
-                    aiVertexWeight(index, 1.0f - vsSDEF_ptr->bone_weight));
             break;
         case pmx::PmxVertexSkinningType::QDEF:
             const auto vsQDEF_ptr =
                     dynamic_cast<pmx::PmxVertexSkinningQDEF *>(v->skinning.get());
-            bone_vertex_map[vsQDEF_ptr->bone_index1].push_back(
+            bone_vertex_map[vsQDEF_ptr->bone_index1].emplace_back(index, vsQDEF_ptr->bone_weight1);
-                    aiVertexWeight(index, vsQDEF_ptr->bone_weight1));
+            bone_vertex_map[vsQDEF_ptr->bone_index2].emplace_back(index, vsQDEF_ptr->bone_weight2);
-            bone_vertex_map[vsQDEF_ptr->bone_index2].push_back(
+            bone_vertex_map[vsQDEF_ptr->bone_index3].emplace_back(index, vsQDEF_ptr->bone_weight3);
-                    aiVertexWeight(index, vsQDEF_ptr->bone_weight2));
+            bone_vertex_map[vsQDEF_ptr->bone_index4].emplace_back(index, vsQDEF_ptr->bone_weight4);
-            bone_vertex_map[vsQDEF_ptr->bone_index3].push_back(
-                    aiVertexWeight(index, vsQDEF_ptr->bone_weight3));
-            bone_vertex_map[vsQDEF_ptr->bone_index4].push_back(
-                    aiVertexWeight(index, vsQDEF_ptr->bone_weight4));
             break;
         }
     }

code/AssetLib/MMD/MMDPmxParser.h

@@ -88,7 +88,7 @@ namespace pmx
 	{
 	public:
 		virtual void Read(std::istream *stream, PmxSetting *setting) = 0;
-		virtual ~PmxVertexSkinning() {}
+		virtual ~PmxVertexSkinning() = default;
 	};
 
 	class PmxVertexSkinningBDEF1 : public PmxVertexSkinning

code/AssetLib/MS3D/MS3DLoader.cpp

@@ -86,8 +86,7 @@ MS3DImporter::MS3DImporter()
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-MS3DImporter::~MS3DImporter()
+MS3DImporter::~MS3DImporter() = default;
-{}
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
 bool MS3DImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool /*checkSig*/) const
@@ -399,7 +398,7 @@ void MS3DImporter::InternReadFile( const std::string& pFile,
         // if one of the groups has no material assigned, but there are other
         // groups with materials, a default material needs to be added (
         // scenepreprocessor adds a default material only if nummat==0).
-        materials.push_back(TempMaterial());
+        materials.emplace_back();
         TempMaterial& m = materials.back();
 
         strcpy(m.name,"<MS3D_DefaultMat>");

code/AssetLib/NDO/NDOLoader.cpp

@@ -70,13 +70,11 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-NDOImporter::NDOImporter()
+NDOImporter::NDOImporter() = default;
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-NDOImporter::~NDOImporter()
+NDOImporter::~NDOImporter() = default;
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -171,7 +169,7 @@ void NDOImporter::InternReadFile( const std::string& pFile,
         obj.edges.reserve(temp);
         for (unsigned int e = 0; e < temp; ++e) {
 
-            obj.edges.push_back(Edge());
+            obj.edges.emplace_back();
             Edge& edge = obj.edges.back();
 
             for (unsigned int i = 0; i< 8; ++i) {
@@ -188,7 +186,7 @@ void NDOImporter::InternReadFile( const std::string& pFile,
         obj.faces.reserve(temp);
         for (unsigned int e = 0; e < temp; ++e) {
 
-            obj.faces.push_back(Face());
+            obj.faces.emplace_back();
             Face& face = obj.faces.back();
 
             face.elem = file_format >= 12 ? reader.GetU4() : reader.GetU2();
@@ -199,7 +197,7 @@ void NDOImporter::InternReadFile( const std::string& pFile,
         obj.vertices.reserve(temp);
         for (unsigned int e = 0; e < temp; ++e) {
 
-            obj.vertices.push_back(Vertex());
+            obj.vertices.emplace_back();
             Vertex& v = obj.vertices.back();
 
             v.num = file_format >= 12 ? reader.GetU4() : reader.GetU2();

code/AssetLib/NFF/NFFLoader.cpp

@@ -73,11 +73,11 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-NFFImporter::NFFImporter() {}
+NFFImporter::NFFImporter() = default;
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-NFFImporter::~NFFImporter() {}
+NFFImporter::~NFFImporter() = default;
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -167,7 +167,7 @@ void NFFImporter::LoadNFF2MaterialTable(std::vector<ShadingInfo> &output,
         // 'matdef' starts a new material in the file
         else if (TokenMatch(sz, "matdef", 6)) {
             // add a new material to the list
-            output.push_back(ShadingInfo());
+            output.emplace_back();
             curShader = &output.back();
 
             // parse the name of the material
@@ -549,7 +549,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
                         }
                     }
                     if (!mesh) {
-                        meshes.push_back(MeshInfo(PatchType_Simple, false));
+                        meshes.emplace_back(PatchType_Simple, false);
                         mesh = &meshes.back();
                         mesh->matIndex = matIdx;
 
@@ -614,7 +614,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
                     }
 
                     if (!currentMeshWithUVCoords) {
-                        meshesWithUVCoords.push_back(MeshInfo(PatchType_UVAndNormals));
+                        meshesWithUVCoords.emplace_back(PatchType_UVAndNormals);
                         currentMeshWithUVCoords = &meshesWithUVCoords.back();
                         currentMeshWithUVCoords->shader = s;
                     }
@@ -631,7 +631,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
                     }
 
                     if (!currentMeshWithNormals) {
-                        meshesWithNormals.push_back(MeshInfo(PatchType_Normals));
+                        meshesWithNormals.emplace_back(PatchType_Normals);
                         currentMeshWithNormals = &meshesWithNormals.back();
                         currentMeshWithNormals->shader = s;
                     }
@@ -649,7 +649,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
                     }
 
                     if (!currentMesh) {
-                        meshes.push_back(MeshInfo(PatchType_Simple));
+                        meshes.emplace_back(PatchType_Simple);
                         currentMesh = &meshes.back();
                         currentMesh->shader = s;
                     }
@@ -749,7 +749,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
             }
             // 'l' - light source
             else if (TokenMatch(sz, "l", 1)) {
-                lights.push_back(Light());
+                lights.emplace_back();
                 Light &light = lights.back();
 
                 AI_NFF_PARSE_TRIPLE(light.position);
@@ -758,7 +758,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
             }
             // 's' - sphere
             else if (TokenMatch(sz, "s", 1)) {
-                meshesLocked.push_back(MeshInfo(PatchType_Simple, true));
+                meshesLocked.emplace_back(PatchType_Simple, true);
                 MeshInfo &curMesh = meshesLocked.back();
                 curMesh.shader = s;
                 curMesh.shader.mapping = aiTextureMapping_SPHERE;
@@ -774,7 +774,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
             }
             // 'dod' - dodecahedron
             else if (TokenMatch(sz, "dod", 3)) {
-                meshesLocked.push_back(MeshInfo(PatchType_Simple, true));
+                meshesLocked.emplace_back(PatchType_Simple, true);
                 MeshInfo &curMesh = meshesLocked.back();
                 curMesh.shader = s;
                 curMesh.shader.mapping = aiTextureMapping_SPHERE;
@@ -791,7 +791,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
 
             // 'oct' - octahedron
             else if (TokenMatch(sz, "oct", 3)) {
-                meshesLocked.push_back(MeshInfo(PatchType_Simple, true));
+                meshesLocked.emplace_back(PatchType_Simple, true);
                 MeshInfo &curMesh = meshesLocked.back();
                 curMesh.shader = s;
                 curMesh.shader.mapping = aiTextureMapping_SPHERE;
@@ -808,7 +808,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
 
             // 'tet' - tetrahedron
             else if (TokenMatch(sz, "tet", 3)) {
-                meshesLocked.push_back(MeshInfo(PatchType_Simple, true));
+                meshesLocked.emplace_back(PatchType_Simple, true);
                 MeshInfo &curMesh = meshesLocked.back();
                 curMesh.shader = s;
                 curMesh.shader.mapping = aiTextureMapping_SPHERE;
@@ -825,7 +825,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
 
             // 'hex' - hexahedron
             else if (TokenMatch(sz, "hex", 3)) {
-                meshesLocked.push_back(MeshInfo(PatchType_Simple, true));
+                meshesLocked.emplace_back(PatchType_Simple, true);
                 MeshInfo &curMesh = meshesLocked.back();
                 curMesh.shader = s;
                 curMesh.shader.mapping = aiTextureMapping_BOX;
@@ -841,7 +841,7 @@ void NFFImporter::InternReadFile(const std::string &pFile,
             }
             // 'c' - cone
             else if (TokenMatch(sz, "c", 1)) {
-                meshesLocked.push_back(MeshInfo(PatchType_Simple, true));
+                meshesLocked.emplace_back(PatchType_Simple, true);
                 MeshInfo &curMesh = meshesLocked.back();
                 curMesh.shader = s;
                 curMesh.shader.mapping = aiTextureMapping_CYLINDER;

code/AssetLib/OFF/OFFLoader.cpp

@@ -73,13 +73,11 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-OFFImporter::OFFImporter()
+OFFImporter::OFFImporter() = default;
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-OFFImporter::~OFFImporter()
+OFFImporter::~OFFImporter() = default;
-{}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/Obj/ObjExporter.cpp

@@ -137,9 +137,7 @@ ObjExporter::ObjExporter(const char* _filename, const aiScene* pScene, bool noMt
 }
 
 // ------------------------------------------------------------------------------------------------
-ObjExporter::~ObjExporter() {
+ObjExporter::~ObjExporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 std::string ObjExporter::GetMaterialLibName() {
@@ -333,7 +331,7 @@ void ObjExporter::WriteGeometryFile(bool noMtl) {
 
 // ------------------------------------------------------------------------------------------------
 void ObjExporter::AddMesh(const aiString& name, const aiMesh* m, const aiMatrix4x4& mat) {
-    mMeshes.push_back(MeshInstance() );
+    mMeshes.emplace_back();
     MeshInstance& mesh = mMeshes.back();
 
     if ( nullptr != m->mColors[ 0 ] ) {

code/AssetLib/Obj/ObjFileMtlImporter.cpp

@@ -108,9 +108,7 @@ ObjFileMtlImporter::ObjFileMtlImporter(std::vector<char> &buffer,
 
 // -------------------------------------------------------------------
 //  Destructor
-ObjFileMtlImporter::~ObjFileMtlImporter() {
+ObjFileMtlImporter::~ObjFileMtlImporter() = default;
-    // empty
-}
 
 // -------------------------------------------------------------------
 //  Loads the material description

code/AssetLib/Obj/ObjFileParser.cpp

@@ -90,15 +90,14 @@ ObjFileParser::ObjFileParser(IOStreamBuffer<char> &streamBuffer, const std::stri
     // create default material and store it
     m_pModel->mDefaultMaterial = new ObjFile::Material;
     m_pModel->mDefaultMaterial->MaterialName.Set(DEFAULT_MATERIAL);
-    m_pModel->mMaterialLib.push_back(DEFAULT_MATERIAL);
+    m_pModel->mMaterialLib.emplace_back(DEFAULT_MATERIAL);
     m_pModel->mMaterialMap[DEFAULT_MATERIAL] = m_pModel->mDefaultMaterial;
 
     // Start parsing the file
     parseFile(streamBuffer);
 }
 
-ObjFileParser::~ObjFileParser() {
+ObjFileParser::~ObjFileParser() = default;
-}
 
 void ObjFileParser::setBuffer(std::vector<char> &buffer) {
     m_DataIt = buffer.begin();
@@ -112,7 +111,6 @@ ObjFile::Model *ObjFileParser::GetModel() const {
 void ObjFileParser::parseFile(IOStreamBuffer<char> &streamBuffer) {
     // only update every 100KB or it'll be too slow
     //const unsigned int updateProgressEveryBytes = 100 * 1024;
-    unsigned int progressCounter = 0;
     const unsigned int bytesToProcess = static_cast<unsigned int>(streamBuffer.size());
     const unsigned int progressTotal = bytesToProcess;
     unsigned int processed = 0;
@@ -129,7 +127,6 @@ void ObjFileParser::parseFile(IOStreamBuffer<char> &streamBuffer) {
         if (lastFilePos < filePos) {
             processed = static_cast<unsigned int>(filePos);
             lastFilePos = filePos;
-            progressCounter++;
             m_progress->UpdateFileRead(processed, progressTotal);
         }
 

code/AssetLib/Ogre/OgreStructs.cpp

@@ -256,7 +256,7 @@ AssimpVertexBoneWeightList IVertexData::AssimpBoneWeights(size_t vertices) {
         for (VertexBoneAssignmentList::const_iterator iter = vertexWeights.begin(), end = vertexWeights.end();
                 iter != end; ++iter) {
             std::vector<aiVertexWeight> &boneWeights = weights[iter->boneIndex];
-            boneWeights.push_back(aiVertexWeight(static_cast<unsigned int>(vi), iter->weight));
+            boneWeights.emplace_back(static_cast<unsigned int>(vi), iter->weight);
         }
     }
     return weights;
@@ -272,8 +272,7 @@ std::set<uint16_t> IVertexData::ReferencedBonesByWeights() const {
 
 // VertexData
 
-VertexData::VertexData() {
+VertexData::VertexData() = default;
-}
 
 VertexData::~VertexData() {
     Reset();
@@ -310,8 +309,7 @@ VertexElement *VertexData::GetVertexElement(VertexElement::Semantic semantic, ui
 
 // VertexDataXml
 
-VertexDataXml::VertexDataXml() {
+VertexDataXml::VertexDataXml() = default;
-}
 
 bool VertexDataXml::HasPositions() const {
     return !positions.empty();

code/AssetLib/OpenGEX/OpenGEXExporter.cpp

@@ -46,11 +46,9 @@ namespace OpenGEX {
 
 #ifndef ASSIMP_BUILD_NO_OPENGEX_EXPORTER
 
-OpenGEXExporter::OpenGEXExporter() {
+OpenGEXExporter::OpenGEXExporter() = default;
-}
+
 
-OpenGEXExporter::~OpenGEXExporter() {
-}
 
 bool OpenGEXExporter::exportScene( const char * /*filename*/, const aiScene* /*pScene*/ ) {
     return true;

code/AssetLib/OpenGEX/OpenGEXExporter.h

@@ -55,7 +55,7 @@ namespace OpenGEX {
 class OpenGEXExporter {
 public:
     OpenGEXExporter();
-    ~OpenGEXExporter();
+    ~OpenGEXExporter() = default;
     bool exportScene( const char *filename, const aiScene* pScene );
 };
 

code/AssetLib/Ply/PlyExporter.cpp

@@ -245,9 +245,7 @@ PlyExporter::PlyExporter(const char* _filename, const aiScene* pScene, bool bina
 }
 
 // ------------------------------------------------------------------------------------------------
-PlyExporter::~PlyExporter() {
+PlyExporter::~PlyExporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 void PlyExporter::WriteMeshVerts(const aiMesh* m, unsigned int components)

code/AssetLib/Ply/PlyLoader.cpp

@@ -94,9 +94,7 @@ PLYImporter::PLYImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-PLYImporter::~PLYImporter() {
+PLYImporter::~PLYImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/Q3BSP/Q3BSPFileImporter.cpp

@@ -560,9 +560,9 @@ bool Q3BSPFileImporter::importTextureFromArchive(const Q3BSP::Q3BSPModel *model,
     }
 
     std::vector<std::string> supportedExtensions;
-    supportedExtensions.push_back(".jpg");
+    supportedExtensions.emplace_back(".jpg");
-    supportedExtensions.push_back(".png");
+    supportedExtensions.emplace_back(".png");
-    supportedExtensions.push_back(".tga");
+    supportedExtensions.emplace_back(".tga");
     std::string textureName, ext;
     if (expandFile(archive, pTexture->strName, supportedExtensions, textureName, ext)) {
         IOStream *pTextureStream = archive->Open(textureName.c_str());

code/AssetLib/Q3D/Q3DLoader.cpp

@@ -72,15 +72,11 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-Q3DImporter::Q3DImporter() {
+Q3DImporter::Q3DImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-Q3DImporter::~Q3DImporter() {
+Q3DImporter::~Q3DImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -157,7 +153,7 @@ void Q3DImporter::InternReadFile(const std::string &pFile,
             // Meshes chunk
         case 'm': {
             for (unsigned int quak = 0; quak < numMeshes; ++quak) {
-                meshes.push_back(Mesh());
+                meshes.emplace_back();
                 Mesh &mesh = meshes.back();
 
                 // read all vertices
@@ -184,7 +180,7 @@ void Q3DImporter::InternReadFile(const std::string &pFile,
 
                 // number of indices
                 for (unsigned int i = 0; i < numVerts; ++i) {
-                    faces.push_back(Face(stream.GetI2()));
+                    faces.emplace_back(stream.GetI2());
                     if (faces.back().indices.empty())
                         throw DeadlyImportError("Quick3D: Found face with zero indices");
                 }
@@ -248,7 +244,7 @@ void Q3DImporter::InternReadFile(const std::string &pFile,
         case 'c':
 
             for (unsigned int i = 0; i < numMats; ++i) {
-                materials.push_back(Material());
+                materials.emplace_back();
                 Material &mat = materials.back();
 
                 // read the material name
@@ -402,7 +398,7 @@ outer:
     // If we have no materials loaded - generate a default mat
     if (materials.empty()) {
         ASSIMP_LOG_INFO("Quick3D: No material found, generating one");
-        materials.push_back(Material());
+        materials.emplace_back();
         materials.back().diffuse = fgColor;
     }
 
@@ -422,7 +418,7 @@ outer:
                 (*fit).mat = 0;
             }
             if (fidx[(*fit).mat].empty()) ++pScene->mNumMeshes;
-            fidx[(*fit).mat].push_back(FaceIdx(p, q));
+            fidx[(*fit).mat].emplace_back(p, q);
         }
     }
     pScene->mNumMaterials = pScene->mNumMeshes;

code/AssetLib/Raw/RawLoader.cpp

@@ -72,15 +72,11 @@ static const aiImporterDesc desc = {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-RAWImporter::RAWImporter() {
+RAWImporter::RAWImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-RAWImporter::~RAWImporter() {
+RAWImporter::~RAWImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -138,7 +134,7 @@ void RAWImporter::InternReadFile(const std::string &pFile,
                 }
             }
             if (sz2) {
-                outGroups.push_back(GroupInformation(std::string(sz, length)));
+                outGroups.emplace_back(std::string(sz, length));
                 curGroup = outGroups.end() - 1;
             }
         } else {
@@ -179,7 +175,7 @@ void RAWImporter::InternReadFile(const std::string &pFile,
             }
             // if we don't have the mesh, create it
             if (!output) {
-                (*curGroup).meshes.push_back(MeshInformation(std::string(sz, length)));
+                (*curGroup).meshes.emplace_back(std::string(sz, length));
                 output = &((*curGroup).meshes.back());
             }
             if (12 == num) {
@@ -188,13 +184,13 @@ void RAWImporter::InternReadFile(const std::string &pFile,
                 output->colors.push_back(v);
                 output->colors.push_back(v);
 
-                output->vertices.push_back(aiVector3D(data[3], data[4], data[5]));
+                output->vertices.emplace_back(data[3], data[4], data[5]);
-                output->vertices.push_back(aiVector3D(data[6], data[7], data[8]));
+                output->vertices.emplace_back(data[6], data[7], data[8]);
-                output->vertices.push_back(aiVector3D(data[9], data[10], data[11]));
+                output->vertices.emplace_back(data[9], data[10], data[11]);
             } else {
-                output->vertices.push_back(aiVector3D(data[0], data[1], data[2]));
+                output->vertices.emplace_back(data[0], data[1], data[2]);
-                output->vertices.push_back(aiVector3D(data[3], data[4], data[5]));
+                output->vertices.emplace_back(data[3], data[4], data[5]);
-                output->vertices.push_back(aiVector3D(data[6], data[7], data[8]));
+                output->vertices.emplace_back(data[6], data[7], data[8]);
             }
         }
     }

code/AssetLib/SIB/SIBImporter.cpp

@@ -202,15 +202,11 @@ static aiString ReadString(StreamReaderLE *stream, uint32_t numWChars) {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-SIBImporter::SIBImporter() {
+SIBImporter::SIBImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-SIBImporter::~SIBImporter() {
+SIBImporter::~SIBImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/SMD/SMDLoader.cpp

@@ -95,9 +95,7 @@ SMDImporter::SMDImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-SMDImporter::~SMDImporter() {
+SMDImporter::~SMDImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -147,10 +145,8 @@ void SMDImporter::InternReadFile( const std::string& pFile, aiScene* scene, IOSy
 
     if (!asBones.empty()) {
         // Check whether all bones have been initialized
-        for (std::vector<SMD::Bone>::const_iterator
+        for (const auto &asBone : asBones) {
-                i =  asBones.begin();
+            if (!asBone.mName.length()) {
-                i != asBones.end();++i) {
-            if (!(*i).mName.length()) {
                 ASSIMP_LOG_WARN("SMD: Not all bones have been initialized");
                 break;
             }
@@ -210,14 +206,10 @@ void SMDImporter::LogWarning(const char* msg) {
 void SMDImporter::FixTimeValues() {
     double dDelta = (double)iSmallestFrame;
     double dMax = 0.0f;
-    for (std::vector<SMD::Bone>::iterator
+    for (auto &asBone : asBones) {
-            iBone =  asBones.begin();
+        for (auto &asKey : asBone.sAnim.asKeys) {
-            iBone != asBones.end();++iBone) {
+            asKey.dTime -= dDelta;
-        for (std::vector<SMD::Bone::Animation::MatrixKey>::iterator
+            dMax = std::max(dMax, asKey.dTime);
-                iKey =  (*iBone).sAnim.asKeys.begin();
-                iKey != (*iBone).sAnim.asKeys.end();++iKey) {
-            (*iKey).dTime -= dDelta;
-            dMax = std::max(dMax, (*iKey).dTime);
         }
     }
     dLengthOfAnim = dMax;
@@ -227,7 +219,7 @@ void SMDImporter::FixTimeValues() {
 // create output meshes
 void SMDImporter::CreateOutputMeshes() {
     if (aszTextures.empty()) {
-        aszTextures.push_back(std::string());
+        aszTextures.emplace_back();
     }
 
     // we need to sort all faces by their material index
@@ -237,7 +229,7 @@ void SMDImporter::CreateOutputMeshes() {
     pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
 
     typedef std::vector<unsigned int> FaceList;
-    FaceList* aaiFaces = new FaceList[pScene->mNumMeshes];
+    std::unique_ptr<FaceList[]> aaiFaces(new FaceList[pScene->mNumMeshes]);
 
     // approximate the space that will be required
     unsigned int iNum = (unsigned int)asTriangles.size() / pScene->mNumMeshes;
@@ -248,17 +240,14 @@ void SMDImporter::CreateOutputMeshes() {
 
     // collect all faces
     iNum = 0;
-    for (std::vector<SMD::Face>::const_iterator
+    for (const auto &asTriangle : asTriangles) {
-            iFace =  asTriangles.begin();
+        if (asTriangle.iTexture >= aszTextures.size()) {
-            iFace != asTriangles.end();++iFace,++iNum) {
-        if (UINT_MAX == (*iFace).iTexture) {
-            aaiFaces[(*iFace).iTexture].push_back( 0 );
-        } else if ((*iFace).iTexture >= aszTextures.size()) {
             ASSIMP_LOG_INFO("[SMD/VTA] Material index overflow in face");
-            aaiFaces[(*iFace).iTexture].push_back((unsigned int)aszTextures.size()-1);
+            aaiFaces[asTriangle.iTexture].push_back((unsigned int)aszTextures.size()-1);
         } else {
-            aaiFaces[(*iFace).iTexture].push_back(iNum);
+            aaiFaces[asTriangle.iTexture].push_back(iNum);
         }
+        ++iNum;
     }
 
     // now create the output meshes
@@ -275,7 +264,7 @@ void SMDImporter::CreateOutputMeshes() {
         typedef std::pair<unsigned int,float> TempWeightListEntry;
         typedef std::vector< TempWeightListEntry > TempBoneWeightList;
 
-        TempBoneWeightList* aaiBones = new TempBoneWeightList[asBones.size()]();
+        std::unique_ptr<TempBoneWeightList[]> aaiBones(new TempBoneWeightList[asBones.size()]());
 
         // try to reserve enough memory without wasting too much
         for (unsigned int iBone = 0; iBone < asBones.size();++iBone) {
@@ -331,7 +320,7 @@ void SMDImporter::CreateOutputMeshes() {
                             "to the vertex' parent node");
                         continue;
                     }
-                    aaiBones[pairval.first].push_back(TempWeightListEntry(iNum,pairval.second));
+                    aaiBones[pairval.first].emplace_back(iNum,pairval.second);
                     fSum += pairval.second;
                 }
                 // ******************************************************************
@@ -351,8 +340,7 @@ void SMDImporter::CreateOutputMeshes() {
 
                         if (fSum) {
                             fSum = 1 / fSum;
-                            for (unsigned int iBone = 0;iBone < face.avVertices[iVert].aiBoneLinks.size();++iBone) {
+                            for (auto &pairval : face.avVertices[iVert].aiBoneLinks) {
-                                TempWeightListEntry& pairval = face.avVertices[iVert].aiBoneLinks[iBone];
                                 if (pairval.first >= asBones.size()) {
                                     continue;
                                 }
@@ -360,8 +348,7 @@ void SMDImporter::CreateOutputMeshes() {
                             }
                         }
                     } else {
-                        aaiBones[face.avVertices[iVert].iParentNode].push_back(
+                        aaiBones[face.avVertices[iVert].iParentNode].emplace_back(iNum,1.0f-fSum);
-                            TempWeightListEntry(iNum,1.0f-fSum));
                     }
                 }
                 pcMesh->mFaces[iFace].mIndices[iVert] = iNum++;
@@ -398,9 +385,7 @@ void SMDImporter::CreateOutputMeshes() {
                 ++iNum;
             }
         }
-        delete[] aaiBones;
     }
-    delete[] aaiFaces;
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -411,8 +396,7 @@ void SMDImporter::AddBoneChildren(aiNode* pcNode, uint32_t iParent) {
     ai_assert( nullptr == pcNode->mChildren);
 
     // first count ...
-    for (unsigned int i = 0; i < asBones.size();++i) {
+    for (auto &bone : asBones) {
-        SMD::Bone& bone = asBones[i];
         if (bone.iParent == iParent) {
             ++pcNode->mNumChildren;
         }
@@ -516,27 +500,25 @@ void SMDImporter::CreateOutputAnimation(int index, const std::string &name) {
 
     // now build valid keys
     unsigned int a = 0;
-    for (std::vector<SMD::Bone>::const_iterator i = asBones.begin(); i != asBones.end(); ++i) {
+    for (const auto &asBone : asBones) {
         aiNodeAnim* p = pp[a] = new aiNodeAnim();
 
         // copy the name of the bone
-        p->mNodeName.Set(i->mName);
+        p->mNodeName.Set(asBone.mName);
 
-        p->mNumRotationKeys = (unsigned int)(*i).sAnim.asKeys.size();
+        p->mNumRotationKeys = (unsigned int)asBone.sAnim.asKeys.size();
         if (p->mNumRotationKeys){
             p->mNumPositionKeys = p->mNumRotationKeys;
             aiVectorKey* pVecKeys = p->mPositionKeys = new aiVectorKey[p->mNumRotationKeys];
             aiQuatKey* pRotKeys = p->mRotationKeys = new aiQuatKey[p->mNumRotationKeys];
 
-            for (std::vector<SMD::Bone::Animation::MatrixKey>::const_iterator
+            for (const auto &asKey : asBone.sAnim.asKeys) {
-                    qq = (*i).sAnim.asKeys.begin();
+                pRotKeys->mTime = pVecKeys->mTime = asKey.dTime;
-                    qq != (*i).sAnim.asKeys.end(); ++qq) {
-                pRotKeys->mTime = pVecKeys->mTime = (*qq).dTime;
 
                 // compute the rotation quaternion from the euler angles
                 // aiQuaternion: The order of the parameters is yzx?
-                pRotKeys->mValue = aiQuaternion((*qq).vRot.y, (*qq).vRot.z, (*qq).vRot.x);
+                pRotKeys->mValue = aiQuaternion(asKey.vRot.y, asKey.vRot.z, asKey.vRot.x);
-                pVecKeys->mValue = (*qq).vPos;
+                pVecKeys->mValue = asKey.vPos;
 
                 ++pVecKeys; ++pRotKeys;
             }
@@ -589,7 +571,7 @@ void SMDImporter::GetAnimationFileList(const std::string &pFile, IOSystem* pIOHa
                 animPath = p;
                 animName = DefaultIOSystem::completeBaseName(animPath);
             }
-            outList.push_back(std::make_tuple(animName, base + "/" + animPath));
+            outList.emplace_back(animName, base + "/" + animPath);
         }
         tok1 = strtok_s(nullptr, "\r\n", &context1);
     }
@@ -799,7 +781,7 @@ void SMDImporter::ParseVASection(const char* szCurrent, const char** szCurrentOu
             SkipLine(szCurrent,&szCurrent);
         } else {
             if(0 == iCurIndex) {
-                asTriangles.push_back(SMD::Face());
+                asTriangles.emplace_back();
             }
             if (++iCurIndex == 3) {
                 iCurIndex = 0;
@@ -919,7 +901,7 @@ void SMDImporter::ParseSkeletonElement(const char* szCurrent, const char** szCur
     }
     SMD::Bone& bone = asBones[iBone];
 
-    bone.sAnim.asKeys.push_back(SMD::Bone::Animation::MatrixKey());
+    bone.sAnim.asKeys.emplace_back();
     SMD::Bone::Animation::MatrixKey& key = bone.sAnim.asKeys.back();
 
     key.dTime = (double)iTime;
@@ -964,7 +946,7 @@ void SMDImporter::ParseSkeletonElement(const char* szCurrent, const char** szCur
 // ------------------------------------------------------------------------------------------------
 // Parse a triangle
 void SMDImporter::ParseTriangle(const char* szCurrent, const char** szCurrentOut) {
-    asTriangles.push_back(SMD::Face());
+    asTriangles.emplace_back();
     SMD::Face& face = asTriangles.back();
 
     if(!SkipSpaces(szCurrent,&szCurrent)) {
@@ -982,8 +964,8 @@ void SMDImporter::ParseTriangle(const char* szCurrent, const char** szCurrentOut
     SkipSpacesAndLineEnd(szCurrent,&szCurrent);
 
     // load three vertices
-    for (unsigned int iVert = 0; iVert < 3;++iVert) {
+    for (auto &avVertex : face.avVertices) {
-        ParseVertex(szCurrent,&szCurrent, face.avVertices[iVert]);
+        ParseVertex(szCurrent,&szCurrent, avVertex);
     }
     *szCurrentOut = szCurrent;
 }
@@ -1080,13 +1062,11 @@ void SMDImporter::ParseVertex(const char* szCurrent,
     }
     vertex.aiBoneLinks.resize(iSize,std::pair<unsigned int, float>(0,0.0f));
 
-    for (std::vector<std::pair<unsigned int, float> >::iterator
+    for (auto &aiBoneLink : vertex.aiBoneLinks) {
-            i =  vertex.aiBoneLinks.begin();
+        if(!ParseUnsignedInt(szCurrent,&szCurrent,aiBoneLink.first)) {
-            i != vertex.aiBoneLinks.end();++i) {
-        if(!ParseUnsignedInt(szCurrent,&szCurrent,(*i).first)) {
             SMDI_PARSE_RETURN;
         }
-        if(!ParseFloat(szCurrent,&szCurrent,(*i).second)) {
+        if(!ParseFloat(szCurrent,&szCurrent,aiBoneLink.second)) {
             SMDI_PARSE_RETURN;
         }
     }

code/AssetLib/STL/STLLoader.cpp

@@ -134,9 +134,7 @@ STLImporter::STLImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-STLImporter::~STLImporter() {
+STLImporter::~STLImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/Terragen/TerragenLoader.cpp

@@ -75,9 +75,7 @@ TerragenImporter::TerragenImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-TerragenImporter::~TerragenImporter() {
+TerragenImporter::~TerragenImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.

code/AssetLib/Unreal/UnrealLoader.cpp

@@ -174,9 +174,7 @@ UnrealImporter::UnrealImporter() :
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-UnrealImporter::~UnrealImporter() {
+UnrealImporter::~UnrealImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -335,7 +333,7 @@ void UnrealImporter::InternReadFile(const std::string &pFile,
                     SkipSpacesAndLineEnd(&data);
 
                     if (TokenMatchI(data, "IMPORT", 6)) {
-                        tempTextures.push_back(std::pair<std::string, std::string>());
+                        tempTextures.emplace_back();
                         std::pair<std::string, std::string> &me = tempTextures.back();
                         for (; !IsLineEnd(*data); ++data) {
                             if (!::ASSIMP_strincmp(data, "NAME=", 5)) {
@@ -361,7 +359,7 @@ void UnrealImporter::InternReadFile(const std::string &pFile,
 
                     if (TokenMatchI(data, "SETTEXTURE", 10)) {
 
-                        textures.push_back(std::pair<unsigned int, std::string>());
+                        textures.emplace_back();
                         std::pair<unsigned int, std::string> &me = textures.back();
 
                         for (; !IsLineEnd(*data); ++data) {

code/AssetLib/X/XFileImporter.cpp

@@ -82,9 +82,7 @@ XFileImporter::XFileImporter()
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-XFileImporter::~XFileImporter() {
+XFileImporter::~XFileImporter() = default;
-    // empty
-}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
@@ -380,7 +378,7 @@ void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vec
                     // does the new vertex stem from an old vertex which was influenced by this bone?
                     ai_real w = oldWeights[orgPoints[d]];
                     if ( w > 0.0 ) {
-                        newWeights.push_back( aiVertexWeight( d, w ) );
+                        newWeights.emplace_back( d, w );
                     }
                 }
 

code/AssetLib/X/XFileParser.cpp

@@ -454,7 +454,7 @@ void XFileParser::ParseDataObjectSkinWeights(Mesh *pMesh) {
     std::string transformNodeName;
     GetNextTokenAsString(transformNodeName);
 
-    pMesh->mBones.push_back(Bone());
+    pMesh->mBones.emplace_back();
     Bone &bone = pMesh->mBones.back();
     bone.mName = transformNodeName;
 
@@ -640,7 +640,7 @@ void XFileParser::ParseDataObjectMeshMaterialList(Mesh *pMesh) {
 
             CheckForClosingBrace(); // skip }
         } else if (objectName == "Material") {
-            pMesh->mMaterials.push_back(Material());
+            pMesh->mMaterials.emplace_back();
             ParseDataObjectMaterial(&pMesh->mMaterials.back());
         } else if (objectName == ";") {
             // ignore
@@ -678,12 +678,12 @@ void XFileParser::ParseDataObjectMaterial(Material *pMaterial) {
             // some exporters write "TextureFileName" instead.
             std::string texname;
             ParseDataObjectTextureFilename(texname);
-            pMaterial->mTextures.push_back(TexEntry(texname));
+            pMaterial->mTextures.emplace_back(texname);
         } else if (objectName == "NormalmapFilename" || objectName == "NormalmapFileName") {
             // one exporter writes out the normal map in a separate filename tag
             std::string texname;
             ParseDataObjectTextureFilename(texname);
-            pMaterial->mTextures.push_back(TexEntry(texname, true));
+            pMaterial->mTextures.emplace_back(texname, true);
         } else {
             ASSIMP_LOG_WARN("Unknown data object in material in x file");
             ParseUnknownDataObject();

code/AssetLib/X3D/X3DExporter.cpp

@@ -131,7 +131,7 @@ void X3DExporter::AttrHelper_Color3ToAttrList(std::list<SAttribute> &pList, cons
     if (pValue == pDefaultValue) return;
 
     AttrHelper_Col3DArrToString(&pValue, 1, tstr);
-    pList.push_back({ pName, tstr });
+    pList.emplace_back( pName, tstr );
 }
 
 void X3DExporter::AttrHelper_FloatToAttrList(std::list<SAttribute> &pList, const string &pName, const float pValue, const float pDefaultValue) {
@@ -140,7 +140,7 @@ void X3DExporter::AttrHelper_FloatToAttrList(std::list<SAttribute> &pList, const
     if (pValue == pDefaultValue) return;
 
     AttrHelper_FloatToString(pValue, tstr);
-    pList.push_back({ pName, tstr });
+    pList.emplace_back( pName, tstr );
 }
 
 void X3DExporter::NodeHelper_OpenNode(const string &pNodeName, const size_t pTabLevel, const bool pEmptyElement, const list<SAttribute> &pAttrList) {
@@ -186,7 +186,7 @@ void X3DExporter::Export_Node(const aiNode *pNode, const size_t pTabLevel) {
     if (CheckAndExport_Light(*pNode, pTabLevel)) return;
 
     // Check if need DEF.
-    if (pNode->mName.length) attr_list.push_back({ "DEF", pNode->mName.C_Str() });
+    if (pNode->mName.length) attr_list.emplace_back( "DEF", pNode->mName.C_Str() );
 
     // Check if need <Transformation> node against <Group>.
     if (!pNode->mTransformation.IsIdentity()) {
@@ -213,13 +213,13 @@ void X3DExporter::Export_Node(const aiNode *pNode, const size_t pTabLevel) {
         pNode->mTransformation.Decompose(scale, rotate_axis, rotate_angle, translate);
         // Check if values different from default
         if ((rotate_angle != 0) && (rotate_axis.Length() > 0))
-            attr_list.push_back({ "rotation", Rotation2String(rotate_axis, rotate_angle) });
+            attr_list.emplace_back( "rotation", Rotation2String(rotate_axis, rotate_angle) );
 
         if (!scale.Equal({ 1.0, 1.0, 1.0 })) {
-            attr_list.push_back({ "scale", Vector2String(scale) });
+            attr_list.emplace_back( "scale", Vector2String(scale) );
         }
         if (translate.Length() > 0) {
-            attr_list.push_back({ "translation", Vector2String(translate) });
+            attr_list.emplace_back( "translation", Vector2String(translate) );
         }
     }
 
@@ -284,7 +284,7 @@ void X3DExporter::Export_Mesh(const size_t pIdxMesh, const size_t pTabLevel) {
     // Check if mesh already defined early.
     if (mDEF_Map_Mesh.find(pIdxMesh) != mDEF_Map_Mesh.end()) {
         // Mesh already defined, just refer to it
-        attr_list.push_back({ "USE", mDEF_Map_Mesh.at(pIdxMesh) });
+        attr_list.emplace_back( "USE", mDEF_Map_Mesh.at(pIdxMesh) );
         NodeHelper_OpenNode(NodeName_Shape, pTabLevel, true, attr_list);
 
         return;
@@ -293,7 +293,7 @@ void X3DExporter::Export_Mesh(const size_t pIdxMesh, const size_t pTabLevel) {
     string mesh_name(mesh.mName.C_Str() + string("_IDX_") + to_string(pIdxMesh)); // Create mesh name
 
     // Define mesh name.
-    attr_list.push_back({ "DEF", mesh_name });
+    attr_list.emplace_back( "DEF", mesh_name );
     mDEF_Map_Mesh[pIdxMesh] = mesh_name;
 
     //
@@ -327,7 +327,7 @@ void X3DExporter::Export_Mesh(const size_t pIdxMesh, const size_t pTabLevel) {
 
     // remove last space symbol.
     coordIndex.resize(coordIndex.length() - 1);
-    attr_list.push_back({ "coordIndex", coordIndex });
+    attr_list.emplace_back( "coordIndex", coordIndex );
     // create node
     NodeHelper_OpenNode(NodeName_IFS, pTabLevel + 1, false, attr_list);
     attr_list.clear();
@@ -336,14 +336,14 @@ void X3DExporter::Export_Mesh(const size_t pIdxMesh, const size_t pTabLevel) {
 
     // Export <Coordinate>
     AttrHelper_Vec3DArrToString(mesh.mVertices, mesh.mNumVertices, attr_value);
-    attr_list.push_back({ "point", attr_value });
+    attr_list.emplace_back( "point", attr_value );
     NodeHelper_OpenNode("Coordinate", pTabLevel + 2, true, attr_list);
     attr_list.clear();
 
     // Export <ColorRGBA>
     if (mesh.HasVertexColors(0)) {
         AttrHelper_Col4DArrToString(mesh.mColors[0], mesh.mNumVertices, attr_value);
-        attr_list.push_back({ "color", attr_value });
+        attr_list.emplace_back( "color", attr_value );
         NodeHelper_OpenNode("ColorRGBA", pTabLevel + 2, true, attr_list);
         attr_list.clear();
     }
@@ -351,7 +351,7 @@ void X3DExporter::Export_Mesh(const size_t pIdxMesh, const size_t pTabLevel) {
     // Export <TextureCoordinate>
     if (mesh.HasTextureCoords(0)) {
         AttrHelper_Vec3DAsVec2fArrToString(mesh.mTextureCoords[0], mesh.mNumVertices, attr_value);
-        attr_list.push_back({ "point", attr_value });
+        attr_list.emplace_back( "point", attr_value );
         NodeHelper_OpenNode("TextureCoordinate", pTabLevel + 2, true, attr_list);
         attr_list.clear();
     }
@@ -359,7 +359,7 @@ void X3DExporter::Export_Mesh(const size_t pIdxMesh, const size_t pTabLevel) {
     // Export <Normal>
     if (mesh.HasNormals()) {
         AttrHelper_Vec3DArrToString(mesh.mNormals, mesh.mNumVertices, attr_value);
-        attr_list.push_back({ "vector", attr_value });
+        attr_list.emplace_back( "vector", attr_value );
         NodeHelper_OpenNode("Normal", pTabLevel + 2, true, attr_list);
         attr_list.clear();
     }
@@ -380,7 +380,7 @@ void X3DExporter::Export_Material(const size_t pIdxMaterial, const size_t pTabLe
     // Check if material already defined early.
     if (mDEF_Map_Material.find(pIdxMaterial) != mDEF_Map_Material.end()) {
         // Material already defined, just refer to it
-        attr_list.push_back({ "USE", mDEF_Map_Material.at(pIdxMaterial) });
+        attr_list.emplace_back( "USE", mDEF_Map_Material.at(pIdxMaterial) );
         NodeHelper_OpenNode(NodeName_A, pTabLevel, true, attr_list);
 
         return;
@@ -392,7 +392,7 @@ void X3DExporter::Export_Material(const size_t pIdxMaterial, const size_t pTabLe
     if (material.Get(AI_MATKEY_NAME, ai_mat_name) == AI_SUCCESS) material_name.insert(0, ai_mat_name.C_Str());
 
     // Define material name.
-    attr_list.push_back({ "DEF", material_name });
+    attr_list.emplace_back( "DEF", material_name );
     mDEF_Map_Material[pIdxMaterial] = material_name;
 
     //
@@ -410,7 +410,7 @@ void X3DExporter::Export_Material(const size_t pIdxMaterial, const size_t pTabLe
 
             if (aiColor3D(pAttrValue.r, pAttrValue.g, pAttrValue.b) != pAttrDefaultValue) {
                 AttrHelper_Col4DArrToString(&pAttrValue, 1, tstr);
-                attr_list.push_back({ pAttrName, tstr });
+                attr_list.emplace_back( pAttrName, tstr );
             }
         };
 
@@ -462,7 +462,7 @@ void X3DExporter::Export_Material(const size_t pIdxMaterial, const size_t pTabLe
     //
     {
         auto RepeatToAttrList = [&](const string &pAttrName, const bool pAttrValue) {
-            if (!pAttrValue) attr_list.push_back({ pAttrName, "false" });
+            if (!pAttrValue) attr_list.emplace_back( pAttrName, "false" );
         };
 
         bool tvalb;
@@ -473,7 +473,7 @@ void X3DExporter::Export_Material(const size_t pIdxMaterial, const size_t pTabLe
             if (strncmp(tstring.C_Str(), AI_EMBEDDED_TEXNAME_PREFIX, strlen(AI_EMBEDDED_TEXNAME_PREFIX)) == 0)
                 LogError("Embedded texture is not supported");
             else
-                attr_list.push_back({ "url", string("\"") + tstring.C_Str() + "\"" });
+                attr_list.emplace_back( "url", string("\"") + tstring.C_Str() + "\"" );
         }
 
         // repeatS="true" SFBool
@@ -495,7 +495,7 @@ void X3DExporter::Export_Material(const size_t pIdxMaterial, const size_t pTabLe
 
             if (pAttrValue != pAttrDefaultValue) {
                 AttrHelper_Vec2DArrToString(&pAttrValue, 1, tstr);
-                attr_list.push_back({ pAttrName, tstr });
+                attr_list.emplace_back( pAttrName, tstr );
             }
         };
 
@@ -520,40 +520,40 @@ void X3DExporter::Export_Material(const size_t pIdxMaterial, const size_t pTabLe
 void X3DExporter::Export_MetadataBoolean(const aiString &pKey, const bool pValue, const size_t pTabLevel) {
     list<SAttribute> attr_list;
 
-    attr_list.push_back({ "name", pKey.C_Str() });
+    attr_list.emplace_back( "name", pKey.C_Str() );
-    attr_list.push_back({ "value", pValue ? "true" : "false" });
+    attr_list.emplace_back( "value", pValue ? "true" : "false" );
     NodeHelper_OpenNode("MetadataBoolean", pTabLevel, true, attr_list);
 }
 
 void X3DExporter::Export_MetadataDouble(const aiString &pKey, const double pValue, const size_t pTabLevel) {
     list<SAttribute> attr_list;
 
-    attr_list.push_back({ "name", pKey.C_Str() });
+    attr_list.emplace_back( "name", pKey.C_Str() );
-    attr_list.push_back({ "value", to_string(pValue) });
+    attr_list.emplace_back( "value", to_string(pValue) );
     NodeHelper_OpenNode("MetadataDouble", pTabLevel, true, attr_list);
 }
 
 void X3DExporter::Export_MetadataFloat(const aiString &pKey, const float pValue, const size_t pTabLevel) {
     list<SAttribute> attr_list;
 
-    attr_list.push_back({ "name", pKey.C_Str() });
+    attr_list.emplace_back( "name", pKey.C_Str() );
-    attr_list.push_back({ "value", to_string(pValue) });
+    attr_list.emplace_back( "value", to_string(pValue) );
     NodeHelper_OpenNode("MetadataFloat", pTabLevel, true, attr_list);
 }
 
 void X3DExporter::Export_MetadataInteger(const aiString &pKey, const int32_t pValue, const size_t pTabLevel) {
     list<SAttribute> attr_list;
 
-    attr_list.push_back({ "name", pKey.C_Str() });
+    attr_list.emplace_back( "name", pKey.C_Str() );
-    attr_list.push_back({ "value", to_string(pValue) });
+    attr_list.emplace_back( "value", to_string(pValue) );
     NodeHelper_OpenNode("MetadataInteger", pTabLevel, true, attr_list);
 }
 
 void X3DExporter::Export_MetadataString(const aiString &pKey, const aiString &pValue, const size_t pTabLevel) {
     list<SAttribute> attr_list;
 
-    attr_list.push_back({ "name", pKey.C_Str() });
+    attr_list.emplace_back( "name", pKey.C_Str() );
-    attr_list.push_back({ "value", pValue.C_Str() });
+    attr_list.emplace_back( "value", pValue.C_Str() );
     NodeHelper_OpenNode("MetadataString", pTabLevel, true, attr_list);
 }
 
@@ -565,7 +565,7 @@ bool X3DExporter::CheckAndExport_Light(const aiNode &pNode, const size_t pTabLev
 
         if (pAttrValue != pAttrDefaultValue) {
             AttrHelper_Vec3DArrToString(&pAttrValue, 1, tstr);
-            attr_list.push_back({ pAttrName, tstr });
+            attr_list.emplace_back( pAttrName, tstr );
         }
     };
 
@@ -590,8 +590,8 @@ bool X3DExporter::CheckAndExport_Light(const aiNode &pNode, const size_t pTabLev
 
     aiMatrix4x4 trafo_mat = Matrix_GlobalToCurrent(pNode).Inverse();
 
-    attr_list.push_back({ "DEF", light.mName.C_Str() });
+    attr_list.emplace_back( "DEF", light.mName.C_Str() );
-    attr_list.push_back({ "global", "true" }); // "false" is not supported.
+    attr_list.emplace_back( "global", "true" ); // "false" is not supported.
     // ambientIntensity="0" SFFloat [inputOutput]
     AttrHelper_FloatToAttrList(attr_list, "ambientIntensity", aiVector3D(light.mColorAmbient.r, light.mColorAmbient.g, light.mColorAmbient.b).Length(), 0);
     // color="1 1 1"        SFColor [inputOutput]
@@ -648,10 +648,10 @@ X3DExporter::X3DExporter(const char *pFileName, IOSystem *pIOSystem, const aiSce
     XML_Write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
     XML_Write("<!DOCTYPE X3D PUBLIC \"ISO//Web3D//DTD X3D 3.3//EN\" \"http://www.web3d.org/specifications/x3d-3.3.dtd\">\n");
     // Root node
-    attr_list.push_back({ "profile", "Interchange" });
+    attr_list.emplace_back( "profile", "Interchange" );
-    attr_list.push_back({ "version", "3.3" });
+    attr_list.emplace_back( "version", "3.3" );
-    attr_list.push_back({ "xmlns:xsd", "http://www.w3.org/2001/XMLSchema-instance" });
+    attr_list.emplace_back( "xmlns:xsd", "http://www.w3.org/2001/XMLSchema-instance" );
-    attr_list.push_back({ "xsd:noNamespaceSchemaLocation", "http://www.web3d.org/specifications/x3d-3.3.xsd" });
+    attr_list.emplace_back( "xsd:noNamespaceSchemaLocation", "http://www.web3d.org/specifications/x3d-3.3.xsd" );
     NodeHelper_OpenNode("X3D", 0, false, attr_list);
     attr_list.clear();
     // <head>: meta data.

code/AssetLib/X3D/X3DExporter.hpp

@@ -241,7 +241,7 @@ public:
 
     /// \fn ~X3DExporter()
     /// Default destructor.
-    ~X3DExporter() {}
+    ~X3DExporter() = default;
 
 }; // class X3DExporter
 

code/AssetLib/X3D/X3DGeoHelper.cpp

@@ -193,7 +193,7 @@ void X3DGeoHelper::add_color(aiMesh &pMesh, const std::list<aiColor3D> &pColors,
 
     // create RGBA array from RGB.
     for (std::list<aiColor3D>::const_iterator it = pColors.begin(); it != pColors.end(); ++it)
-        tcol.push_back(aiColor4D((*it).r, (*it).g, (*it).b, 1));
+        tcol.emplace_back((*it).r, (*it).g, (*it).b, 1);
 
     // call existing function for adding RGBA colors
     add_color(pMesh, tcol, pColorPerVertex);
@@ -238,7 +238,7 @@ void X3DGeoHelper::add_color(aiMesh &pMesh, const std::vector<int32_t> &pCoordId
 
     // create RGBA array from RGB.
     for (std::list<aiColor3D>::const_iterator it = pColors.begin(); it != pColors.end(); ++it) {
-        tcol.push_back(aiColor4D((*it).r, (*it).g, (*it).b, 1));
+        tcol.emplace_back((*it).r, (*it).g, (*it).b, 1);
     }
 
     // call existing function for adding RGBA colors
@@ -440,7 +440,7 @@ void X3DGeoHelper::add_tex_coord(aiMesh &pMesh, const std::vector<int32_t> &pCoo
     // copy list to array because we are need indexed access to normals.
     texcoord_arr_copy.reserve(pTexCoords.size());
     for (std::list<aiVector2D>::const_iterator it = pTexCoords.begin(); it != pTexCoords.end(); ++it) {
-        texcoord_arr_copy.push_back(aiVector3D((*it).x, (*it).y, 0));
+        texcoord_arr_copy.emplace_back((*it).x, (*it).y, 0);
     }
 
     if (pTexCoordIdx.size() > 0) {
@@ -480,7 +480,7 @@ void X3DGeoHelper::add_tex_coord(aiMesh &pMesh, const std::list<aiVector2D> &pTe
     // copy list to array because we are need convert aiVector2D to aiVector3D and also get indexed access as a bonus.
     tc_arr_copy.reserve(pTexCoords.size());
     for (std::list<aiVector2D>::const_iterator it = pTexCoords.begin(); it != pTexCoords.end(); ++it) {
-        tc_arr_copy.push_back(aiVector3D((*it).x, (*it).y, 0));
+        tc_arr_copy.emplace_back((*it).x, (*it).y, 0);
     }
 
     // copy texture coordinates to mesh

code/AssetLib/X3D/X3DImporter.cpp

@@ -477,9 +477,6 @@ void X3DImporter::ParseHelper_Node_Exit() {
     // check if we can walk up.
     if (mNodeElementCur != nullptr) {
         mNodeElementCur = mNodeElementCur->Parent;
-    } else {
-        int i = 0;
-        ++i;
     }
 }
 

code/AssetLib/X3D/X3DImporter.hpp

@@ -270,7 +270,7 @@ public:
     void Clear();
 
 private:
-    X3DNodeElementBase *MACRO_USE_CHECKANDAPPLY(XmlNode &node, std::string pDEF, std::string pUSE, X3DElemType pType, X3DNodeElementBase *pNE);
+    X3DNodeElementBase *MACRO_USE_CHECKANDAPPLY(XmlNode &node, const std::string &pDEF, const std::string &pUSE, X3DElemType pType, X3DNodeElementBase *pNE);
     bool isNodeEmpty(XmlNode &node);
     void checkNodeMustBeEmpty(XmlNode &node);
     void skipUnsupportedNode(const std::string &pParentNodeName, XmlNode &node);

code/AssetLib/X3D/X3DImporter_Geometry2D.cpp

@@ -2,8 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2019, assimp team
+Copyright (c) 2006-2022, assimp team
-
 
 All rights reserved.
 
@@ -152,7 +151,7 @@ void X3DImporter::readArcClose2D(XmlNode &node) {
             std::list<aiVector3D> &vlist = ((X3DNodeElementGeometry2D *)ne)->Vertices; // just short alias.
 
             if ((closureType == "PIE") || (closureType == "\"PIE\""))
-                vlist.push_back(aiVector3D(0, 0, 0)); // center point - first radial line
+                vlist.emplace_back(0, 0, 0); // center point - first radial line
             else if ((closureType != "CHORD") && (closureType != "\"CHORD\""))
                 Throw_IncorrectAttrValue("ArcClose2D", "closureType");
 
@@ -262,22 +261,25 @@ void X3DImporter::readDisk2D(XmlNode &node) {
             //
             // create quad list from two point lists
             //
-            if (tlist_i.size() < 2) throw DeadlyImportError("Disk2D. Not enough points for creating quad list."); // tlist_i and tlist_o has equal size.
+            if (tlist_i.size() < 2) {
+                // tlist_i and tlist_o has equal size.
+                throw DeadlyImportError("Disk2D. Not enough points for creating quad list."); 
+            }
 
             // add all quads except last
             for (std::list<aiVector3D>::iterator it_i = tlist_i.begin(), it_o = tlist_o.begin(); it_i != tlist_i.end();) {
                 // do not forget - CCW direction
-                vlist.push_back(*it_i++); // 1st point
+                vlist.emplace_back(*it_i++); // 1st point
-                vlist.push_back(*it_o++); // 2nd point
+                vlist.emplace_back(*it_o++); // 2nd point
-                vlist.push_back(*it_o); // 3rd point
+                vlist.emplace_back(*it_o); // 3rd point
-                vlist.push_back(*it_i); // 4th point
+                vlist.emplace_back(*it_i); // 4th point
             }
 
             // add last quad
-            vlist.push_back(*tlist_i.end()); // 1st point
+            vlist.emplace_back(tlist_i.back()); // 1st point
-            vlist.push_back(*tlist_o.end()); // 2nd point
+            vlist.emplace_back(tlist_o.back()); // 2nd point
-            vlist.push_back(*tlist_o.begin()); // 3rd point
+            vlist.emplace_back(tlist_o.front()); // 3rd point
-            vlist.push_back(*tlist_o.begin()); // 4th point
+            vlist.emplace_back(tlist_i.front()); // 4th point
 
             ((X3DNodeElementGeometry2D *)ne)->NumIndices = 4;
         }
@@ -321,7 +323,7 @@ void X3DImporter::readPolyline2D(XmlNode &node) {
 
         // convert vec2 to vec3
         for (std::list<aiVector2D>::iterator it2 = lineSegments.begin(); it2 != lineSegments.end(); ++it2)
-            tlist.push_back(aiVector3D(it2->x, it2->y, 0));
+            tlist.emplace_back(it2->x, it2->y, 0);
 
         // convert point set to line set
         X3DGeoHelper::extend_point_to_line(tlist, ((X3DNodeElementGeometry2D *)ne)->Vertices);
@@ -359,7 +361,7 @@ void X3DImporter::readPolypoint2D(XmlNode &node) {
 
         // convert vec2 to vec3
         for (std::list<aiVector2D>::iterator it2 = point.begin(); it2 != point.end(); ++it2) {
-            ((X3DNodeElementGeometry2D *)ne)->Vertices.push_back(aiVector3D(it2->x, it2->y, 0));
+            ((X3DNodeElementGeometry2D *)ne)->Vertices.emplace_back(it2->x, it2->y, 0);
         }
 
         ((X3DNodeElementGeometry2D *)ne)->NumIndices = 1;
@@ -403,10 +405,10 @@ void X3DImporter::readRectangle2D(XmlNode &node) {
         float y2 = size.y / 2.0f;
         std::list<aiVector3D> &vlist = ((X3DNodeElementGeometry2D *)ne)->Vertices; // just short alias.
 
-        vlist.push_back(aiVector3D(x2, y1, 0)); // 1st point
+        vlist.emplace_back(x2, y1, 0); // 1st point
-        vlist.push_back(aiVector3D(x2, y2, 0)); // 2nd point
+        vlist.emplace_back(x2, y2, 0); // 2nd point
-        vlist.push_back(aiVector3D(x1, y2, 0)); // 3rd point
+        vlist.emplace_back(x1, y2, 0); // 3rd point
-        vlist.push_back(aiVector3D(x1, y1, 0)); // 4th point
+        vlist.emplace_back(x1, y1, 0); // 4th point
         ((X3DNodeElementGeometry2D *)ne)->Solid = solid;
         ((X3DNodeElementGeometry2D *)ne)->NumIndices = 4;
         // check for X3DMetadataObject childs.
@@ -447,7 +449,7 @@ void X3DImporter::readTriangleSet2D(XmlNode &node) {
 
         // convert vec2 to vec3
         for (std::list<aiVector2D>::iterator it2 = vertices.begin(); it2 != vertices.end(); ++it2) {
-            ((X3DNodeElementGeometry2D *)ne)->Vertices.push_back(aiVector3D(it2->x, it2->y, 0));
+            ((X3DNodeElementGeometry2D *)ne)->Vertices.emplace_back(it2->x, it2->y, 0);
         }
 
         ((X3DNodeElementGeometry2D *)ne)->Solid = solid;

code/AssetLib/X3D/X3DImporter_Macro.hpp

@@ -59,7 +59,7 @@ namespace Assimp {
 /// \param [in] pUSE - string holding "USE" value.
 /// \param [in] pType - type of element to find.
 /// \param [out] pNE - pointer to found node element.
-inline X3DNodeElementBase *X3DImporter::MACRO_USE_CHECKANDAPPLY(XmlNode &node, std::string pDEF, std::string pUSE, X3DElemType pType, X3DNodeElementBase *pNE) {
+inline X3DNodeElementBase *X3DImporter::MACRO_USE_CHECKANDAPPLY(XmlNode &node, const std::string &pDEF, const std::string &pUSE, X3DElemType pType, X3DNodeElementBase *pNE) {
     checkNodeMustBeEmpty(node);
     if (!pDEF.empty())
         Assimp::Throw_DEF_And_USE(node.name());

code/AssetLib/glTF/glTFAsset.h

@@ -314,7 +314,7 @@ struct Object {
     virtual bool IsSpecial() const { return false; }
 
     Object() = default;
-    virtual ~Object() {}
+    virtual ~Object() = default;
 
     //! Maps special IDs to another ID, where needed. Subclasses may override it (statically)
     static const char *TranslateId(Asset & /*r*/, const char *id) { return id; }
@@ -666,7 +666,7 @@ struct Mesh : public Object {
     std::vector<Primitive> primitives;
     std::list<SExtension *> Extension; ///< List of extensions used in mesh.
 
-    Mesh() {}
+    Mesh() = default;
 
     /// Destructor.
     ~Mesh() {
@@ -706,12 +706,12 @@ struct Node : public Object {
 
     Ref<Node> parent; //!< This is not part of the glTF specification. Used as a helper.
 
-    Node() {}
+    Node() = default;
     void Read(Value &obj, Asset &r);
 };
 
 struct Program : public Object {
-    Program() {}
+    Program() = default;
     void Read(Value &obj, Asset &r);
 };
 
@@ -830,7 +830,7 @@ struct Animation : public Object {
 //! Base class for LazyDict that acts as an interface
 class LazyDictBase {
 public:
-    virtual ~LazyDictBase() {}
+    virtual ~LazyDictBase() = default;
 
     virtual void AttachToDocument(Document &doc) = 0;
     virtual void DetachFromDocument() = 0;
@@ -903,8 +903,10 @@ struct AssetMetadata {
     void Read(Document &doc);
 
     AssetMetadata() :
-            premultipliedAlpha(false), version() {
+            premultipliedAlpha(false) {
     }
+
+    operator bool() const { return version.size() && version[0] == '1'; }
 };
 
 //

code/AssetLib/glTF/glTFAsset.inl

@@ -1114,10 +1114,6 @@ inline void AssetMetadata::Read(Document &doc) {
             ReadMember(*curProfile, "version", this->profile.version);
         }
     }
-
-    if (version.empty() || version[0] != '1') {
-        throw DeadlyImportError("GLTF: Unsupported glTF version: ", version);
-    }
 }
 
 //
@@ -1222,6 +1218,10 @@ inline void Asset::Load(const std::string &pFile, bool isBinary) {
 
     // Load the metadata
     asset.Read(doc);
+    if (!asset) {
+        return;
+    }
+
     ReadExtensionsUsed(doc);
 
     // Prepare the dictionaries

code/AssetLib/glTF/glTFImporter.cpp

@@ -84,9 +84,7 @@ glTFImporter::glTFImporter() :
     // empty
 }
 
-glTFImporter::~glTFImporter() {
+glTFImporter::~glTFImporter() = default;
-    // empty
-}
 
 const aiImporterDesc *glTFImporter::GetInfo() const {
     return &desc;
@@ -96,8 +94,7 @@ bool glTFImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool
     glTF::Asset asset(pIOHandler);
     try {
         asset.Load(pFile, GetExtension(pFile) == "glb");
-        std::string version = asset.asset.version;
+        return asset.asset;
-        return !version.empty() && version[0] == '1';
     } catch (...) {
         return false;
     }

code/AssetLib/glTF2/glTF2Asset.h

@@ -391,7 +391,7 @@ struct Object {
     //! Objects marked as special are not exported (used to emulate the binary body buffer)
     virtual bool IsSpecial() const { return false; }
 
-    virtual ~Object() {}
+    virtual ~Object() = default;
 
     //! Maps special IDs to another ID, where needed. Subclasses may override it (statically)
     static const char *TranslateId(Asset & /*r*/, const char *id) { return id; }
@@ -613,7 +613,7 @@ struct Accessor : public Object {
         return Indexer(*this);
     }
 
-    Accessor() {}
+    Accessor() = default;
     void Read(Value &obj, Asset &r);
 
     //sparse
@@ -681,7 +681,7 @@ struct Light : public Object {
     float innerConeAngle;
     float outerConeAngle;
 
-    Light() {}
+    Light() = default;
     void Read(Value &obj, Asset &r);
 };
 
@@ -877,7 +877,7 @@ struct Mesh : public Object {
     std::vector<float> weights;
     std::vector<std::string> targetNames;
 
-    Mesh() {}
+    Mesh() = default;
 
     /// Get mesh data from JSON-object and place them to root asset.
     /// \param [in] pJSON_Object - reference to pJSON-object from which data are read.
@@ -903,12 +903,12 @@ struct Node : public Object {
 
     Ref<Node> parent; //!< This is not part of the glTF specification. Used as a helper.
 
-    Node() {}
+    Node() = default;
     void Read(Value &obj, Asset &r);
 };
 
 struct Program : public Object {
-    Program() {}
+    Program() = default;
     void Read(Value &obj, Asset &r);
 };
 
@@ -927,12 +927,12 @@ struct Scene : public Object {
     std::string name;
     std::vector<Ref<Node>> nodes;
 
-    Scene() {}
+    Scene() = default;
     void Read(Value &obj, Asset &r);
 };
 
 struct Shader : public Object {
-    Shader() {}
+    Shader() = default;
     void Read(Value &obj, Asset &r);
 };
 
@@ -942,7 +942,7 @@ struct Skin : public Object {
     std::vector<Ref<Node>> jointNames; //!< Joint names of the joints (nodes with a jointName property) in this skin.
     std::string name; //!< The user-defined name of this object.
 
-    Skin() {}
+    Skin() = default;
     void Read(Value &obj, Asset &r);
 };
 
@@ -957,7 +957,7 @@ struct Texture : public Object {
     //TextureTarget target; //!< The target that the WebGL texture should be bound to. (default: TextureTarget_TEXTURE_2D)
     //TextureType type; //!< Texel datatype. (default: TextureType_UNSIGNED_BYTE)
 
-    Texture() {}
+    Texture() = default;
     void Read(Value &obj, Asset &r);
 };
 
@@ -990,14 +990,14 @@ struct Animation : public Object {
     std::vector<Sampler> samplers; //!< All the key-frame data for this animation.
     std::vector<Channel> channels; //!< Data to connect nodes to key-frames.
 
-    Animation() {}
+    Animation() = default;
     void Read(Value &obj, Asset &r);
 };
 
 //! Base class for LazyDict that acts as an interface
 class LazyDictBase {
 public:
-    virtual ~LazyDictBase() {}
+    virtual ~LazyDictBase() = default;
 
     virtual void AttachToDocument(Document &doc) = 0;
     virtual void DetachFromDocument() = 0;

code/AssetLib/glTF2/glTF2Exporter.cpp

@@ -124,9 +124,7 @@ glTF2Exporter::glTF2Exporter(const char *filename, IOSystem *pIOSystem, const ai
     }
 }
 
-glTF2Exporter::~glTF2Exporter() {
+glTF2Exporter::~glTF2Exporter() = default;
-    // empty
-}
 
 /*
  * Copy a 4x4 matrix from struct aiMatrix to typedef mat4.

code/AssetLib/glTF2/glTF2Importer.cpp

@@ -103,9 +103,7 @@ glTF2Importer::glTF2Importer() :
     // empty
 }
 
-glTF2Importer::~glTF2Importer() {
+glTF2Importer::~glTF2Importer() = default;
-    // empty
-}
 
 const aiImporterDesc *glTF2Importer::GetInfo() const {
     return &desc;

code/Common/AssertHandler.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2022, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -50,23 +48,23 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <iostream>
 #include <cstdlib>
 
-void Assimp::defaultAiAssertHandler(const char* failedExpression, const char* file, int line)
+void Assimp::defaultAiAssertHandler(const char* failedExpression, const char* file, int line) {
-{
     std::cerr << "ai_assert failure in " << file << "(" << line << "): " << failedExpression << std::endl;
     std::abort();
 }
 
-namespace
+namespace {
-{
     Assimp::AiAssertHandler s_handler = Assimp::defaultAiAssertHandler;
 }
 
-void Assimp::setAiAssertHandler(AiAssertHandler handler)
+void Assimp::setAiAssertHandler(AiAssertHandler handler) {
-{
+    if (handler != nullptr) {
-    s_handler = handler;
+        s_handler = handler;
+    } else {
+        s_handler = Assimp::defaultAiAssertHandler;
+    }
 }
 
-void Assimp::aiAssertViolation(const char* failedExpression, const char* file, int line)
+void Assimp::aiAssertViolation(const char* failedExpression, const char* file, int line) {
-{
     s_handler(failedExpression, file, line);
 }