Fix merge issue

Fix merge issue.

code/AssetLib/Obj/ObjFileData.h

@@ -74,15 +74,13 @@ struct Face {
     Material *m_pMaterial;
 
     //! \brief  Default constructor
-    Face(aiPrimitiveType pt = aiPrimitiveType_POLYGON) :
+    explicit Face(aiPrimitiveType pt = aiPrimitiveType_POLYGON) :
             m_PrimitiveType(pt), m_vertices(), m_normals(), m_texturCoords(), m_pMaterial(0L) {
         // empty
     }
 
     //! \brief  Destructor
-    ~Face() {
-        // empty
-    }
+    ~Face() = default;
 };
 
 // ------------------------------------------------------------------------------------------------
@@ -296,19 +294,16 @@ struct Model {
                 it != m_Objects.end(); ++it) {
             delete *it;
         }
-        m_Objects.clear();
 
         // Clear all stored mesh instances
         for (std::vector<Mesh *>::iterator it = m_Meshes.begin();
                 it != m_Meshes.end(); ++it) {
             delete *it;
         }
-        m_Meshes.clear();
 
         for (GroupMapIt it = m_Groups.begin(); it != m_Groups.end(); ++it) {
             delete it->second;
         }
-        m_Groups.clear();
 
         for (std::map<std::string, Material *>::iterator it = m_MaterialMap.begin(); it != m_MaterialMap.end(); ++it) {
             delete it->second;

code/Common/BaseImporter.cpp

@@ -60,6 +60,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <list>
 #include <memory>
 #include <sstream>
+#include <cctype>
+#include <utility>
 
 using namespace Assimp;
 

code/Common/Importer.h

@@ -129,14 +129,8 @@ ImporterPimpl::ImporterPimpl() AI_NO_EXCEPT
 , mIsDefaultHandler( false )
 , mProgressHandler( nullptr )
 , mIsDefaultProgressHandler( false )
-, mImporter()
 , mPostProcessingSteps()
 , mScene( nullptr )
-, mErrorString()
-, mIntProperties()
-, mFloatProperties()
-, mStringProperties()
-, mMatrixProperties()
 , bExtraVerbose( false )
 , mPPShared( nullptr ) {
     // empty

code/Common/SceneCombiner.cpp

@@ -66,10 +66,12 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 namespace Assimp {
 
+// clang-format off
 #if (__GNUC__ >= 8 && __GNUC_MINOR__ >= 0)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wclass-memaccess"
+#   pragma GCC diagnostic push
+#   pragma GCC diagnostic ignored "-Wclass-memaccess"
 #endif
+// clang-format on
 
 // ------------------------------------------------------------------------------------------------
 // Add a prefix to a string
@@ -495,7 +497,7 @@ void SceneCombiner::MergeScenes(aiScene **_dest, aiScene *master, std::vector<At
             OffsetNodeMeshIndices(node, offset[n]);
         }
         if (n) // src[0] is the master node
-            nodes.push_back(NodeAttachmentInfo(node, srcList[n - 1].attachToNode, n));
+            nodes.emplace_back( node,srcList[n-1].attachToNode,n );
 
         // add name prefixes?
         if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES) {
@@ -1331,8 +1333,10 @@ void SceneCombiner::Copy(aiMetadata **_dest, const aiMetadata *src) {
     }
 }
 
+// clang-format off
 #if (__GNUC__ >= 8 && __GNUC_MINOR__ >= 0)
-#pragma GCC diagnostic pop
+#   pragma GCC diagnostic pop
 #endif
+// clang-format on
 
 } // Namespace Assimp

code/Common/SkeletonMeshBuilder.cpp

@@ -57,7 +57,7 @@ SkeletonMeshBuilder::SkeletonMeshBuilder(aiScene *pScene, aiNode *root, bool bKn
         return;
     }
 
-    if (!root) {
+    if (nullptr != root) {
         root = pScene->mRootNode;
     }
 
@@ -251,8 +251,8 @@ aiMaterial *SkeletonMeshBuilder::CreateMaterial() {
     aiMaterial *matHelper = new aiMaterial;
 
     // Name
-    aiString matName(std::string("SkeletonMaterial"));
-    matHelper->AddProperty(&matName, AI_MATKEY_NAME);
+    aiString matName("SkeletonMaterial");
+    matHelper->AddProperty( &matName, AI_MATKEY_NAME);
 
     // Prevent backface culling
     const int no_cull = 1;

code/Common/SpatialSort.cpp

@@ -101,7 +101,7 @@ void SpatialSort::Append(const aiVector3D *pPositions, unsigned int pNumPosition
 
         // store position by index and distance
         ai_real distance = *vec * mPlaneNormal;
-        mPositions.push_back(Entry(static_cast<unsigned int>(a + initial), *vec, distance));
+        mPositions.emplace_back(Entry(static_cast<unsigned int>(a + initial), *vec, distance));
     }
 
     if (pFinalize) {
@@ -121,7 +121,7 @@ void SpatialSort::FindPositions(const aiVector3D &pPosition,
     poResults.clear();
 
     // quick check for positions outside the range
-    if (mPositions.size() == 0)
+    if( mPositions.empty())
         return;
     if (maxDist < mPositions.front().mDistance)
         return;

code/Common/StandardShapes.cpp

@@ -423,17 +423,18 @@ void StandardShapes::MakeCone(ai_real height, ai_real radius1,
 
         if (!bOpen) {
             // generate the end 'cap'
-            positions.push_back(aiVector3D(s * radius2, halfHeight, t * radius2));
-            positions.push_back(aiVector3D(s2 * radius2, halfHeight, t2 * radius2));
-            positions.push_back(aiVector3D(0.0, halfHeight, 0.0));
+            positions.emplace_back(s * radius2,  halfHeight, t * radius2 );
+            positions.emplace_back(s2 * radius2,  halfHeight, t2 * radius2 );
+            positions.emplace_back(ai_real(0.0), halfHeight, ai_real(0.0));
 
             if (radius1) {
                 // generate the other end 'cap'
-                positions.push_back(aiVector3D(s * radius1, -halfHeight, t * radius1));
-                positions.push_back(aiVector3D(s2 * radius1, -halfHeight, t2 * radius1));
-                positions.push_back(aiVector3D(0.0, -halfHeight, 0.0));
+                positions.emplace_back(s * radius1,  -halfHeight, t * radius1 );
+                positions.emplace_back(s2 * radius1,  -halfHeight, t2 * radius1 );
+                positions.emplace_back(ai_real(0.0), -halfHeight, ai_real(0.0));
             }
         }
+
         s = s2;
         t = t2;
         angle = next;
@@ -467,13 +468,13 @@ void StandardShapes::MakeCircle(ai_real radius, unsigned int tess,
     ai_real t = 0.0; // std::sin(angle == 0);
 
     for (ai_real angle = 0.0; angle < angle_max;) {
-        positions.push_back(aiVector3D(s * radius, 0.0, t * radius));
+        positions.emplace_back(aiVector3D(s * radius, 0.0, t * radius));
         angle += angle_delta;
         s = std::cos(angle);
         t = std::sin(angle);
-        positions.push_back(aiVector3D(s * radius, 0.0, t * radius));
+        positions.emplace_back(aiVector3D(s * radius, 0.0, t * radius));
 
-        positions.push_back(aiVector3D(0.0, 0.0, 0.0));
+        positions.emplace_back(aiVector3D(0.0, 0.0, 0.0));
     }
 }
 

code/Common/TargetAnimation.cpp

@@ -220,7 +220,7 @@ void TargetAnimationHelper::Process(std::vector<aiVectorKey> *distanceTrack) {
         // diff is now the vector in which our camera is pointing
     }
 
-    if (real.size()) {
+    if (!real.empty()) {
         *distanceTrack = real;
     }
 }

code/PostProcessing/ComputeUVMappingProcess.cpp

@@ -51,10 +51,10 @@ using namespace Assimp;
 
 namespace {
 
-    const static aiVector3D base_axis_y(0.0,1.0,0.0);
-    const static aiVector3D base_axis_x(1.0,0.0,0.0);
-    const static aiVector3D base_axis_z(0.0,0.0,1.0);
-    const static ai_real angle_epsilon = ai_real( 0.95 );
+    const aiVector3D base_axis_y(0.0,1.0,0.0);
+    const aiVector3D base_axis_x(1.0,0.0,0.0);
+    const aiVector3D base_axis_z(0.0,0.0,1.0);
+    const ai_real angle_epsilon = ai_real( 0.95 );
 }
 
 // ------------------------------------------------------------------------------------------------

code/PostProcessing/DeboneProcess.cpp

@@ -48,7 +48,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // internal headers of the post-processing framework
 #include "ProcessHelper.h"
 #include "DeboneProcess.h"
-#include <stdio.h>
+#include <cstdio>
 
 
 using namespace Assimp;
@@ -83,7 +83,7 @@ bool DeboneProcess::IsActive( unsigned int pFlags) const
 void DeboneProcess::SetupProperties(const Importer* pImp)
 {
     // get the current value of the property
-    mAllOrNone = pImp->GetPropertyInteger(AI_CONFIG_PP_DB_ALL_OR_NONE,0)?true:false;
+    mAllOrNone = pImp->GetPropertyInteger(AI_CONFIG_PP_DB_ALL_OR_NONE, 0) != 0;
     mThreshold = pImp->GetPropertyFloat(AI_CONFIG_PP_DB_THRESHOLD,AI_DEBONE_THRESHOLD);
 }
 
@@ -104,7 +104,7 @@ void DeboneProcess::Execute( aiScene* pScene)
 
     int numSplits = 0;
 
-    if(!!mNumBonesCanDoWithout && (!mAllOrNone||mNumBonesCanDoWithout==mNumBones))  {
+    if(mNumBonesCanDoWithout != 0 && (!mAllOrNone || mNumBonesCanDoWithout == mNumBones))  {
         for(unsigned int a = 0; a < pScene->mNumMeshes; a++)    {
             if(splitList[a]) {
                 numSplits++;
@@ -156,7 +156,7 @@ void DeboneProcess::Execute( aiScene* pScene)
             }
             else    {
                 // Mesh is kept unchanged - store it's new place in the mesh array
-                mSubMeshIndices[a].push_back(std::pair<unsigned int,aiNode*>(static_cast<unsigned int>(meshes.size()),(aiNode*)0));
+                mSubMeshIndices[a].emplace_back(static_cast<unsigned int>(meshes.size()),(aiNode*)0);
                 meshes.push_back(srcMesh);
             }
         }

code/PostProcessing/FindInvalidDataProcess.cpp

@@ -174,7 +174,7 @@ inline const char *ValidateArrayContents<aiVector3D>(const aiVector3D *arr, unsi
     unsigned int cnt = 0;
     for (unsigned int i = 0; i < size; ++i) {
 
-        if (dirtyMask.size() && dirtyMask[i]) {
+        if (!dirtyMask.empty() && dirtyMask[i]) {
             continue;
         }
         ++cnt;

code/PostProcessing/GenVertexNormalsProcess.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,

code/PostProcessing/JoinVerticesProcess.cpp

@@ -423,7 +423,7 @@ int JoinVerticesProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex)
             ASSIMP_LOG_ERROR( "X-Export: aiBone shall contain weights, but pointer to them is nullptr." );
         }
 
-        if (newWeights.size() > 0) {
+        if (!newWeights.empty()) {
             // kill the old and replace them with the translated weights
             delete [] bone->mWeights;
             bone->mNumWeights = (unsigned int)newWeights.size();

code/PostProcessing/LimitBoneWeightsProcess.cpp

@@ -55,22 +55,19 @@ using namespace Assimp;
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-LimitBoneWeightsProcess::LimitBoneWeightsProcess()
-{
+LimitBoneWeightsProcess::LimitBoneWeightsProcess() {
     mMaxWeights = AI_LMW_MAX_WEIGHTS;
 }
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-LimitBoneWeightsProcess::~LimitBoneWeightsProcess()
-{
+LimitBoneWeightsProcess::~LimitBoneWeightsProcess() {
     // nothing to do here
 }
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the processing step is present in the given flag field.
-bool LimitBoneWeightsProcess::IsActive( unsigned int pFlags) const
-{
+bool LimitBoneWeightsProcess::IsActive(unsigned int pFlags) const {
     return (pFlags & aiProcess_LimitBoneWeights) != 0;
 }
 
@@ -89,10 +86,9 @@ void LimitBoneWeightsProcess::Execute( aiScene* pScene)
 
 // ------------------------------------------------------------------------------------------------
 // Executes the post processing step on the given imported data.
-void LimitBoneWeightsProcess::SetupProperties(const Importer* pImp)
-{
+void LimitBoneWeightsProcess::SetupProperties(const Importer *pImp) {
     // get the current value of the property
-    this->mMaxWeights = pImp->GetPropertyInteger(AI_CONFIG_PP_LBW_MAX_WEIGHTS,AI_LMW_MAX_WEIGHTS);
+    this->mMaxWeights = pImp->GetPropertyInteger(AI_CONFIG_PP_LBW_MAX_WEIGHTS, AI_LMW_MAX_WEIGHTS);
 }
 
 // ------------------------------------------------------------------------------------------------

code/PostProcessing/OptimizeMeshes.cpp

@@ -140,7 +140,7 @@ void OptimizeMeshesProcess::Execute( aiScene* pScene)
 
     // and process all nodes in the scenegraph recursively
     ProcessNode(pScene->mRootNode);
-    if (!output.size()) {
+    if (output.empty()) {
         throw DeadlyImportError("OptimizeMeshes: No meshes remaining; there's definitely something wrong");
     }
 

code/PostProcessing/ProcessHelper.cpp

@@ -4,7 +4,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -63,7 +62,7 @@ void ConvertListToStrings(const std::string &in, std::list<std::string> &out) {
                     return;
                 }
             }
-            out.push_back(std::string(base, (size_t)(s - base)));
+            out.emplace_back(base,(size_t)(s-base));
             ++s;
         } else {
             out.push_back(GetNextToken(s));

code/PostProcessing/SortByPTypeProcess.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -269,7 +267,7 @@ void SortByPTypeProcess::Execute(aiScene *pScene) {
                         VertexWeightTable &tbl = avw[idx];
                         for (VertexWeightTable::const_iterator it = tbl.begin(), end = tbl.end();
                                 it != end; ++it) {
-                            tempBones[(*it).first].push_back(aiVertexWeight(outIdx, (*it).second));
+                            tempBones[(*it).first].emplace_back(aiVertexWeight(outIdx, (*it).second));
                         }
                     }
 

code/PostProcessing/SplitLargeMeshes.cpp

@@ -316,13 +316,13 @@ void SplitLargeMeshesProcess_Triangle::SplitMesh(
             }
 
             // add the newly created mesh to the list
-            avList.push_back(std::pair<aiMesh*, unsigned int>(pcMesh,a));
+            avList.emplace_back(pcMesh,a);
         }
 
         // now delete the old mesh data
         delete pMesh;
     } else {
-        avList.push_back(std::pair<aiMesh*, unsigned int>(pMesh,a));
+        avList.emplace_back(pMesh,a);
     }
 }
 

code/PostProcessing/TriangulateProcess.cpp

@@ -200,7 +200,7 @@ bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
         aiFace& face = pMesh->mFaces[a];
 
         unsigned int* idx = face.mIndices;
-        int num = (int)face.mNumIndices, ear = 0, tmp, prev = num-1, next = 0, max = num;
+        int num = (int)face.mNumIndices, ear, tmp, prev = num - 1, next = 0, max = num;
 
         // Apply vertex colors to represent the face winding?
 #ifdef AI_BUILD_TRIANGULATE_COLOR_FACE_WINDING
@@ -476,7 +476,7 @@ bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
 
         for(aiFace* f = last_face; f != curOut; ++f) {
             unsigned int* i = f->mIndices;
-            fprintf(fout," (%i %i %i)",i[0],i[1],i[2]);
+            fprintf(fout," (%u %u %u)",i[0],i[1],i[2]);
         }
 
         fprintf(fout,"\n*********************************************************************\n");

include/assimp/SceneCombiner.h

@@ -4,7 +4,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,