Some minor findings

code/AssetLib/FBX/FBXCommon.h

@@ -50,7 +50,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 namespace Assimp {
 namespace FBX {
 
-const std::string NULL_RECORD = { // 25 null bytes in 64-bit and 13 null bytes in 32-bit
+static constexpr size_t NumNullRecords = 25;
+const char NULL_RECORD[NumNullRecords] = { // 25 null bytes in 64-bit and 13 null bytes in 32-bit
     '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
     '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'
 }; // who knows why, it looks like two integers 32/64 bit (compressed and uncompressed sizes?) + 1 byte (might be compression type?)

code/AssetLib/FBX/FBXCompileConfig.h

@@ -4,7 +4,6 @@ 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,

code/AssetLib/FBX/FBXConverter.cpp

@@ -1439,9 +1439,20 @@ void ConvertWeightsToSkeleton(const MeshGeometry &geo, const aiMatrix4x4 &absolu
         std::vector<unsigned int> *outputVertStartIndices) {
     ai_assert(geo.DeformerSkin() != nullptr);
 
+    aiSkeleton *skeleton = new aiSkeleton;
     const Skin &sk = *geo.DeformerSkin();
-    for (auto &cluster : sk.Clusters()) {
-        cluster->Transform();
+    try {
+        for (auto &cluster : sk.Clusters()) {
+            const WeightIndexArray &indices = cluster->GetIndices();
+            const MatIndexArray &mats = geo.GetMaterialIndices();
+
+            aiMatrix4x4 transform = cluster->Transform();
+            for (WeightIndexArray::value_type index : indices) {
+                unsigned int count = 0;
+                const unsigned int *out_idx = geo.ToOutputVertexIndex(index, count);
+            }
+        }
+    } catch (...) {
     }
 }
 
@@ -1451,14 +1462,11 @@ void FBXConverter::ConvertWeights(aiMesh *out, const MeshGeometry &geo,
         std::vector<unsigned int> *outputVertStartIndices) {
     ai_assert(geo.DeformerSkin());
 
-    std::vector<size_t> out_indices;
-    std::vector<size_t> index_out_indices;
-    std::vector<size_t> count_out_indices;
+    std::vector<size_t> out_indices, index_out_indices, count_out_indices;
 
     const Skin &sk = *geo.DeformerSkin();
 
-    std::vector<aiBone *> bones;
-
+    std::vector<aiBone*> bones;
     const bool no_mat_check = materialIndex == NO_MATERIAL_SEPARATION;
     ai_assert(no_mat_check || outputVertStartIndices);
 
@@ -1539,12 +1547,13 @@ void FBXConverter::ConvertWeights(aiMesh *out, const MeshGeometry &geo,
     }
 }
 
-void FBXConverter::ConvertCluster(std::vector<aiBone *> &local_mesh_bones, const Cluster *cl,
+void FBXConverter::ConvertCluster(std::vector<aiBone*> &local_mesh_bones, const Cluster *cluster,
         std::vector<size_t> &out_indices, std::vector<size_t> &index_out_indices,
         std::vector<size_t> &count_out_indices, const aiMatrix4x4 &absolute_transform,
         aiNode *) {
-    ai_assert(cl); // make sure cluster valid
-    std::string deformer_name = cl->TargetNode()->Name();
+    ai_assert(cluster != nullptr); // make sure cluster valid
+
+    std::string deformer_name = cluster->TargetNode()->Name();
     aiString bone_name = aiString(FixNodeName(deformer_name));
 
     aiBone *bone = nullptr;
@@ -1558,7 +1567,7 @@ void FBXConverter::ConvertCluster(std::vector<aiBone *> &local_mesh_bones, const
         bone->mName = bone_name;
 
         // store local transform link for post processing
-        bone->mOffsetMatrix = cl->TransformLink();
+        bone->mOffsetMatrix = cluster->TransformLink();
         bone->mOffsetMatrix.Inverse();
 
         aiMatrix4x4 matrix = (aiMatrix4x4)absolute_transform;
@@ -1575,7 +1584,7 @@ void FBXConverter::ConvertCluster(std::vector<aiBone *> &local_mesh_bones, const
         cursor = bone->mWeights = new aiVertexWeight[out_indices.size()];
 
         const size_t no_index_sentinel = std::numeric_limits<size_t>::max();
-        const WeightArray &weights = cl->GetWeights();
+        const WeightArray &weights = cluster->GetWeights();
 
         const size_t c = index_out_indices.size();
         for (size_t i = 0; i < c; ++i) {

code/AssetLib/FBX/FBXDeformer.cpp

@@ -4,7 +4,6 @@ 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,
@@ -58,16 +57,14 @@ namespace FBX {
 using namespace Util;
 
 // ------------------------------------------------------------------------------------------------
-Deformer::Deformer(uint64_t id, const Element& element, const Document& doc, const std::string& name)
-    : Object(id,element,name)
-{
+Deformer::Deformer(uint64_t id, const Element& element, const Document& doc, const std::string& name) :
+        Object(id,element,name) {
     const Scope& sc = GetRequiredScope(element);
 
     const std::string& classname = ParseTokenAsString(GetRequiredToken(element,2));
     props = GetPropertyTable(doc,"Deformer.Fbx" + classname,element,sc,true);
 }
 
-
 // ------------------------------------------------------------------------------------------------
 Deformer::~Deformer()
 {

code/AssetLib/FBX/FBXDocumentUtil.h

@@ -74,13 +74,11 @@ std::shared_ptr<const PropertyTable> GetPropertyTable(const Document& doc,
 
 // ------------------------------------------------------------------------------------------------
 template <typename T>
-inline
-const T* ProcessSimpleConnection(const Connection& con,
-    bool is_object_property_conn,
-    const char* name,
-    const Element& element,
-    const char** propNameOut = nullptr)
-{
+inline const T* ProcessSimpleConnection(const Connection& con,
+        bool is_object_property_conn,
+        const char* name,
+        const Element& element,
+        const char** propNameOut = nullptr) {
     if (is_object_property_conn && !con.PropertyName().length()) {
         DOMWarning("expected incoming " + std::string(name) +
             " link to be an object-object connection, ignoring",

code/AssetLib/FBX/FBXExporter.cpp

@@ -255,7 +255,7 @@ void FBXExporter::WriteBinaryHeader()
 
 void FBXExporter::WriteBinaryFooter()
 {
-    outfile->Write(NULL_RECORD.c_str(), NULL_RECORD.size(), 1);
+    outfile->Write(NULL_RECORD, NumNullRecords, 1);
 
     outfile->Write(GENERIC_FOOTID.c_str(), GENERIC_FOOTID.size(), 1);
 

code/AssetLib/FBX/FBXMeshGeometry.cpp

@@ -4,7 +4,6 @@ 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,
@@ -54,18 +53,15 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "FBXImportSettings.h"
 #include "FBXDocumentUtil.h"
 
-
 namespace Assimp {
 namespace FBX {
 
 using namespace Util;
 
 // ------------------------------------------------------------------------------------------------
-Geometry::Geometry(uint64_t id, const Element& element, const std::string& name, const Document& doc)
-    : Object(id, element, name)
-    , skin()
-{
-    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),"Deformer");
+Geometry::Geometry(uint64_t id, const Element& element, const std::string& name, const Document& doc) :
+        Object(id, element, name), skin() {
+    const std::vector<const Connection*> &conns = doc.GetConnectionsByDestinationSequenced(ID(),"Deformer");
     for(const Connection* con : conns) {
         const Skin* const sk = ProcessSimpleConnection<Skin>(*con, false, "Skin -> Geometry", element);
         if(sk) {
@@ -78,12 +74,6 @@ Geometry::Geometry(uint64_t id, const Element& element, const std::string& name,
     }
 }
 
-// ------------------------------------------------------------------------------------------------
-Geometry::~Geometry()
-{
-    // empty
-}
-
 // ------------------------------------------------------------------------------------------------
 const std::vector<const BlendShape*>& Geometry::GetBlendShapes() const {
     return blendShapes;
@@ -183,18 +173,12 @@ MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::strin
         if(doc.Settings().readAllLayers || index == 0) {
             const Scope& layer = GetRequiredScope(*(*it).second);
             ReadLayer(layer);
-        }
-        else {
+        } else {
             FBXImporter::LogWarn("ignoring additional geometry layers");
         }
     }
 }
 
-// ------------------------------------------------------------------------------------------------
-MeshGeometry::~MeshGeometry() {
-    // empty
-}
-
 // ------------------------------------------------------------------------------------------------
 const std::vector<aiVector3D>& MeshGeometry::GetVertices() const {
     return m_vertices;

code/AssetLib/FBX/FBXMeshGeometry.h

@@ -55,22 +55,25 @@ namespace FBX {
 /**
  *  DOM base class for all kinds of FBX geometry
  */
-class Geometry : public Object
-{
+class Geometry : public Object {
 public:
+    /// @brief The class constructor with all parameters.
+    /// @param id       The id.
+    /// @param element  
+    /// @param name 
+    /// @param doc 
     Geometry( uint64_t id, const Element& element, const std::string& name, const Document& doc );
-    virtual ~Geometry();
+    virtual ~Geometry() = default;
 
-    /** Get the Skin attached to this geometry or nullptr */
+    /// Get the Skin attached to this geometry or nullptr
     const Skin* DeformerSkin() const;
 
-    /** Get the BlendShape attached to this geometry or nullptr */
+    /// Get the BlendShape attached to this geometry or nullptr
     const std::vector<const BlendShape*>& GetBlendShapes() const;
 
 private:
     const Skin* skin;
     std::vector<const BlendShape*> blendShapes;
-
 };
 
 typedef std::vector<int> MatIndexArray;
@@ -79,14 +82,13 @@ typedef std::vector<int> MatIndexArray;
 /**
  *  DOM class for FBX geometry of type "Mesh"
  */
-class MeshGeometry : public Geometry
-{
+class MeshGeometry : public Geometry {
 public:
     /** The class constructor */
     MeshGeometry( uint64_t id, const Element& element, const std::string& name, const Document& doc );
 
     /** The class destructor */
-    virtual ~MeshGeometry();
+    virtual ~MeshGeometry() = default;
 
     /** Get a list of all vertex points, non-unique*/
     const std::vector<aiVector3D>& GetVertices() const;

code/AssetLib/FBX/FBXParser.cpp

@@ -162,12 +162,6 @@ Element::Element(const Token& key_token, Parser& parser) : key_token(key_token)
     while(n->Type() != TokenType_KEY && n->Type() != TokenType_CLOSE_BRACKET);
 }
 
-// ------------------------------------------------------------------------------------------------
-Element::~Element()
-{
-     // no need to delete tokens, they are owned by the parser
-}
-
 // ------------------------------------------------------------------------------------------------
 Scope::Scope(Parser& parser,bool topLevel)
 {
@@ -226,12 +220,6 @@ Parser::Parser (const TokenList& tokens, bool is_binary)
     root.reset(new Scope(*this,true));
 }
 
-// ------------------------------------------------------------------------------------------------
-Parser::~Parser()
-{
-    // empty
-}
-
 // ------------------------------------------------------------------------------------------------
 TokenPtr Parser::AdvanceToNextToken()
 {

code/AssetLib/FBX/FBXParser.h

@@ -87,7 +87,7 @@ class Element
 {
 public:
     Element(const Token& key_token, Parser& parser);
-    ~Element();
+    ~Element() = default;
 
     const Scope* Compound() const {
         return compound.get();
@@ -160,7 +160,7 @@ public:
     /** Parse given a token list. Does not take ownership of the tokens -
      *  the objects must persist during the entire parser lifetime */
     Parser (const TokenList& tokens,bool is_binary);
-    ~Parser();
+    ~Parser() = default;
 
     const Scope& GetRootScope() const {
         return *root.get();