Merge branch 'master' into integrate-tinyusdz-br-rendermesh-refactor

Dockerfile

@@ -1,6 +1,6 @@
 FROM ubuntu:22.04
 
-RUN apt-get update && apt-get install -y ninja-build \
+RUN apt-get update && apt-get install --no-install-recommends -y ninja-build \
     git cmake build-essential software-properties-common
 
 RUN add-apt-repository ppa:ubuntu-toolchain-r/test && apt-get update 

code/AssetLib/3MF/XmlSerializer.cpp

@@ -57,8 +57,8 @@ static constexpr size_t ColRGBA_Len = 9;
 static constexpr size_t ColRGB_Len = 7;
 
 // format of the color string: #RRGGBBAA or #RRGGBB (3MF Core chapter 5.1.1)
-bool validateColorString(const char *color) {
+bool validateColorString(const std::string color) {
-    const size_t len = strlen(color);
+    const size_t len = color.size();
     if (ColRGBA_Len != len && ColRGB_Len != len) {
         return false;
     }
@@ -157,8 +157,8 @@ aiMatrix4x4 parseTransformMatrix(const std::string& matrixStr) {
     return transformMatrix;
 }
 
-bool parseColor(const char *color, aiColor4D &diffuse) {
+bool parseColor(const std::string &color, aiColor4D &diffuse) {
-    if (nullptr == color) {
+    if (color.empty()) {
         return false;
     }
 
@@ -178,7 +178,7 @@ bool parseColor(const char *color, aiColor4D &diffuse) {
 
     char b[3] = { color[5], color[6], '\0' };
     diffuse.b = static_cast<ai_real>(strtol(b, nullptr, 16)) / ai_real(255.0);
-    const size_t len = strlen(color);
+    const size_t len = color.size();
     if (ColRGB_Len == len) {
         return true;
     }

code/AssetLib/AMF/AMFImporter.cpp

@@ -178,28 +178,6 @@ bool AMFImporter::XML_SearchNode(const std::string &nodeName) {
     return nullptr != mXmlParser->findNode(nodeName);
 }
 
-void AMFImporter::ParseHelper_FixTruncatedFloatString(const char *pInStr, std::string &pOutString) {
-    size_t instr_len;
-
-    pOutString.clear();
-    instr_len = strlen(pInStr);
-    if (!instr_len) return;
-
-    pOutString.reserve(instr_len * 3 / 2);
-    // check and correct floats in format ".x". Must be "x.y".
-    if (pInStr[0] == '.') pOutString.push_back('0');
-
-    pOutString.push_back(pInStr[0]);
-    for (size_t ci = 1; ci < instr_len; ci++) {
-        if ((pInStr[ci] == '.') && ((pInStr[ci - 1] == ' ') || (pInStr[ci - 1] == '-') || (pInStr[ci - 1] == '+') || (pInStr[ci - 1] == '\t'))) {
-            pOutString.push_back('0');
-            pOutString.push_back('.');
-        } else {
-            pOutString.push_back(pInStr[ci]);
-        }
-    }
-}
-
 static bool ParseHelper_Decode_Base64_IsBase64(const char pChar) {
     return (isalnum((unsigned char)pChar) || (pChar == '+') || (pChar == '/'));
 }
@@ -213,7 +191,10 @@ void AMFImporter::ParseHelper_Decode_Base64(const std::string &pInputBase64, std
     uint8_t arr4[4], arr3[3];
 
     // check input data
-    if (pInputBase64.size() % 4) throw DeadlyImportError("Base64-encoded data must have size multiply of four.");
+    if (pInputBase64.size() % 4) {
+        throw DeadlyImportError("Base64-encoded data must have size multiply of four.");
+    }
+
     // prepare output place
     pOutputData.clear();
     pOutputData.reserve(pInputBase64.size() / 4 * 3);

code/AssetLib/AMF/AMFImporter.hpp

@@ -168,7 +168,6 @@ public:
     AI_WONT_RETURN void Throw_ID_NotFound(const std::string &pID) const AI_WONT_RETURN_SUFFIX;
     void XML_CheckNode_MustHaveChildren(pugi::xml_node &node);
     bool XML_SearchNode(const std::string &nodeName);
-    void ParseHelper_FixTruncatedFloatString(const char *pInStr, std::string &pOutString);
     AMFImporter(const AMFImporter &pScene) = delete;
     AMFImporter &operator=(const AMFImporter &pScene) = delete;
 

code/AssetLib/AMF/AMFImporter_Node.hpp

@@ -56,7 +56,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <string>
 #include <vector>
 
-/// \class CAMFImporter_NodeElement
 /// Base class for elements of nodes.
 class AMFNodeElementBase {
 public:
@@ -106,7 +105,6 @@ protected:
 	}
 }; // class IAMFImporter_NodeElement
 
-/// \struct CAMFImporter_NodeElement_Constellation
 /// A collection of objects or constellations with specific relative locations.
 struct AMFConstellation : public AMFNodeElementBase {
 	/// Constructor.
@@ -116,7 +114,6 @@ struct AMFConstellation : public AMFNodeElementBase {
 
 }; // struct CAMFImporter_NodeElement_Constellation
 
-/// \struct CAMFImporter_NodeElement_Instance
 /// Part of constellation.
 struct AMFInstance : public AMFNodeElementBase {
 
@@ -135,7 +132,6 @@ struct AMFInstance : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Instance, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_Metadata
 /// Structure that define metadata node.
 struct AMFMetadata : public AMFNodeElementBase {
 
@@ -148,7 +144,6 @@ struct AMFMetadata : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Metadata, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_Root
 /// Structure that define root node.
 struct AMFRoot : public AMFNodeElementBase {
 
@@ -161,7 +156,6 @@ struct AMFRoot : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Root, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_Color
 /// Structure that define object node.
 struct AMFColor : public AMFNodeElementBase {
 	bool Composed; ///< Type of color stored: if true then look for formula in \ref Color_Composed[4], else - in \ref Color.
@@ -177,7 +171,6 @@ struct AMFColor : public AMFNodeElementBase {
 	}
 };
 
-/// \struct CAMFImporter_NodeElement_Material
 /// Structure that define material node.
 struct AMFMaterial : public AMFNodeElementBase {
 
@@ -187,7 +180,6 @@ struct AMFMaterial : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Material, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_Object
 /// Structure that define object node.
 struct AMFObject : public AMFNodeElementBase {
 
@@ -206,7 +198,6 @@ struct AMFMesh : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Mesh, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_Vertex
 /// Structure that define vertex node.
 struct AMFVertex : public AMFNodeElementBase {
 	/// Constructor.
@@ -215,7 +206,6 @@ struct AMFVertex : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Vertex, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_Edge
 /// Structure that define edge node.
 struct AMFEdge : public AMFNodeElementBase {
 	/// Constructor.
@@ -224,7 +214,6 @@ struct AMFEdge : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Edge, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_Vertices
 /// Structure that define vertices node.
 struct AMFVertices : public AMFNodeElementBase {
 	/// Constructor.
@@ -233,7 +222,6 @@ struct AMFVertices : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Vertices, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_Volume
 /// Structure that define volume node.
 struct AMFVolume : public AMFNodeElementBase {
 	std::string MaterialID; ///< Which material to use.
@@ -245,7 +233,6 @@ struct AMFVolume : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Volume, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_Coordinates
 /// Structure that define coordinates node.
 struct AMFCoordinates : public AMFNodeElementBase {
 	aiVector3D Coordinate; ///< Coordinate.
@@ -256,7 +243,6 @@ struct AMFCoordinates : public AMFNodeElementBase {
 			AMFNodeElementBase(ENET_Coordinates, pParent) {}
 };
 
-/// \struct CAMFImporter_NodeElement_TexMap
 /// Structure that define texture coordinates node.
 struct AMFTexMap : public AMFNodeElementBase {
 	aiVector3D TextureCoordinate[3]; ///< Texture coordinates.
@@ -273,7 +259,6 @@ struct AMFTexMap : public AMFNodeElementBase {
 	}
 };
 
-/// \struct CAMFImporter_NodeElement_Triangle
 /// Structure that define triangle node.
 struct AMFTriangle : public AMFNodeElementBase {
 	size_t V[3]; ///< Triangle vertices.

code/AssetLib/AMF/AMFImporter_Postprocess.cpp

@@ -224,7 +224,8 @@ size_t AMFImporter::PostprocessHelper_GetTextureID_Or_Create(const std::string &
     }
 
     // Create format hint.
-    strcpy(converted_texture.FormatHint, "rgba0000"); // copy initial string.
+    constexpr char templateColor[] = "rgba0000";
+    memcpy(converted_texture.FormatHint, templateColor, 8);
     if (!r.empty()) converted_texture.FormatHint[4] = '8';
     if (!g.empty()) converted_texture.FormatHint[5] = '8';
     if (!b.empty()) converted_texture.FormatHint[6] = '8';
@@ -867,7 +868,7 @@ nl_clean_loop:
             pScene->mTextures[idx]->mHeight = static_cast<unsigned int>(tex_convd.Height);
             pScene->mTextures[idx]->pcData = (aiTexel *)tex_convd.Data;
             // texture format description.
-            strcpy(pScene->mTextures[idx]->achFormatHint, tex_convd.FormatHint);
+            strncpy(pScene->mTextures[idx]->achFormatHint, tex_convd.FormatHint, HINTMAXTEXTURELEN);
             idx++;
         } // for(const SPP_Texture& tex_convd: mTexture_Converted)
 

code/AssetLib/ASE/ASELoader.cpp

@@ -124,7 +124,7 @@ void ASEImporter::InternReadFile(const std::string &pFile,
     // Allocate storage and copy the contents of the file to a memory buffer
     std::vector<char> mBuffer2;
     TextFileToBuffer(file.get(), mBuffer2);
-
+    const size_t fileSize = mBuffer2.size();
     this->mBuffer = &mBuffer2[0];
     this->pcScene = pScene;
 
@@ -146,7 +146,7 @@ void ASEImporter::InternReadFile(const std::string &pFile,
     };
 
     // Construct an ASE parser and parse the file
-    ASE::Parser parser(mBuffer, defaultFormat);
+    ASE::Parser parser(mBuffer, fileSize, defaultFormat);
     mParser = &parser;
     mParser->Parse();
 
@@ -446,10 +446,9 @@ void ASEImporter::BuildLights() {
 }
 
 // ------------------------------------------------------------------------------------------------
-void ASEImporter::AddNodes(const std::vector<BaseNode *> &nodes,
+void ASEImporter::AddNodes(const std::vector<BaseNode *> &nodes, aiNode *pcParent, const std::string &name) {
-        aiNode *pcParent, const char *szName) {
     aiMatrix4x4 m;
-    AddNodes(nodes, pcParent, szName, m);
+    AddNodes(nodes, pcParent, name, m);
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -506,10 +505,9 @@ void ASEImporter::AddMeshes(const ASE::BaseNode *snode, aiNode *node) {
 
 // ------------------------------------------------------------------------------------------------
 // Add child nodes to a given parent node
-void ASEImporter::AddNodes(const std::vector<BaseNode *> &nodes,
+void ASEImporter::AddNodes(const std::vector<BaseNode *> &nodes, aiNode *pcParent, const std::string &name,
-        aiNode *pcParent, const char *szName,
         const aiMatrix4x4 &mat) {
-    const size_t len = szName ? ::strlen(szName) : 0;
+    const size_t len = name.size();
     ai_assert(4 <= AI_MAX_NUMBER_OF_COLOR_SETS);
 
     // Receives child nodes for the pcParent node
@@ -519,16 +517,18 @@ void ASEImporter::AddNodes(const std::vector<BaseNode *> &nodes,
     // which has *us* as parent.
     for (std::vector<BaseNode *>::const_iterator it = nodes.begin(), end = nodes.end(); it != end; ++it) {
         const BaseNode *snode = *it;
-        if (szName) {
+        if (!name.empty()) {
-            if (len != snode->mParent.length() || ::strcmp(szName, snode->mParent.c_str()))
+            if (len != snode->mParent.length() || name != snode->mParent.c_str()) {
                 continue;
-        } else if (snode->mParent.length())
+            }
+        } else if (snode->mParent.length()) {
             continue;
+        }
 
         (*it)->mProcessed = true;
 
         // Allocate a new node and add it to the output data structure
-        apcNodes.push_back(new aiNode());
+        apcNodes.push_back(new aiNode);
         aiNode *node = apcNodes.back();
 
         node->mName.Set((snode->mName.length() ? snode->mName.c_str() : "Unnamed_Node"));
@@ -541,7 +541,7 @@ void ASEImporter::AddNodes(const std::vector<BaseNode *> &nodes,
 
         // Add sub nodes - prevent stack overflow due to recursive parenting
         if (node->mName != node->mParent->mName && node->mName != node->mParent->mParent->mName) {
-            AddNodes(nodes, node, node->mName.data, snode->mTransform);
+            AddNodes(nodes, node, node->mName.C_Str(), snode->mTransform);
         }
 
         // Further processing depends on the type of the node
@@ -619,7 +619,8 @@ void ASEImporter::BuildNodes(std::vector<BaseNode *> &nodes) {
     }
 
     // add all nodes
-    AddNodes(nodes, ch, nullptr);
+    static const std::string none = "";
+    AddNodes(nodes, ch, none);
 
     // now iterate through al nodes and find those that have not yet
     // been added to the nodegraph (= their parent could not be recognized)

code/AssetLib/ASE/ASELoader.h

@@ -153,13 +153,13 @@ private:
      *  \param matrix Current transform
      */
     void AddNodes(const std::vector<ASE::BaseNode*>& nodes,
-        aiNode* pcParent,const char* szName);
+        aiNode* pcParent, const std::string &name);
 
     void AddNodes(const std::vector<ASE::BaseNode*>& nodes,
-        aiNode* pcParent,const char* szName,
+        aiNode* pcParent, const std::string &name,
         const aiMatrix4x4& matrix);
 
-    void AddMeshes(const ASE::BaseNode* snode,aiNode* node);
+    void AddMeshes(const ASE::BaseNode* snode, aiNode* node);
 
     // -------------------------------------------------------------------
     /** Generate a default material and add it to the parser's list
@@ -188,5 +188,4 @@ protected:
 
 } // end of namespace Assimp
 
-
 #endif // AI_3DSIMPORTER_H_INC

code/AssetLib/ASE/ASEParser.h

@@ -391,11 +391,11 @@ public:
     // -------------------------------------------------------------------
     //! Construct a parser from a given input file which is
     //! guaranteed to be terminated with zero.
-    //! @param szFile Input file
+    //! @param file              The name of the input file.
     //! @param fileFormatDefault Assumed file format version. If the
     //!   file format is specified in the file the new value replaces
     //!   the default value.
-    Parser(const char *szFile, unsigned int fileFormatDefault);
+    Parser(const char *file, size_t fileLen, unsigned int fileFormatDefault);
 
     // -------------------------------------------------------------------
     //! Parses the file into the parsers internal representation
@@ -617,11 +617,8 @@ private:
     bool ParseString(std::string &out, const char *szName);
 
 public:
-    //! Pointer to current data
+    const char *mFilePtr; ////< Pointer to current data
-    const char *filePtr;
+    const char *mEnd;     ///< The end pointer of the file data
-
-    /// The end pointer of the file data
-    const char *mEnd;
 
     //! background color to be passed to the viewer
     //! QNAN if none was found

code/AssetLib/Collada/ColladaParser.cpp

@@ -2293,9 +2293,9 @@ void ColladaParser::ReadNodeGeometry(XmlNode &node, Node *pNode) {
                             urlMat++;
 
                         s.mMatName = urlMat;
+                        ReadMaterialVertexInputBinding(instanceMatNode, s);
                         // store the association
                         instance.mMaterials[group] = s;
-                        ReadMaterialVertexInputBinding(instanceMatNode, s);
                     }
                 }
             }

code/AssetLib/FBX/FBXExporter.cpp

@@ -1051,7 +1051,7 @@ aiNode* get_node_for_mesh(unsigned int meshIndex, aiNode* node)
 aiMatrix4x4 get_world_transform(const aiNode* node, const aiScene* scene)
 {
     std::vector<const aiNode*> node_chain;
-    while (node != scene->mRootNode) {
+    while (node != scene->mRootNode && node != nullptr) {
         node_chain.push_back(node);
         node = node->mParent;
     }
@@ -1868,33 +1868,26 @@ void FBXExporter::WriteObjects ()
     // one sticky point is that the number of vertices may not match,
     // because assimp splits vertices by normal, uv, etc.
 
-    // functor for aiNode sorting
-    struct SortNodeByName
-    {
-        bool operator()(const aiNode *lhs, const aiNode *rhs) const
-        {
-            return strcmp(lhs->mName.C_Str(), rhs->mName.C_Str()) < 0;
-        }
-    };
 
     // first we should mark the skeleton for each mesh.
     // the skeleton must include not only the aiBones,
     // but also all their parent nodes.
     // anything that affects the position of any bone node must be included.
-    // Use SorNodeByName to make sure the exported result will be the same across all systems
+
-    // Otherwise the aiNodes of the skeleton would be sorted based on the pointer address, which isn't consistent
+    // note that we want to preserve input order as much as possible here.
-    std::vector<std::set<const aiNode*, SortNodeByName>> skeleton_by_mesh(mScene->mNumMeshes);
+    // previously, sorting by name lead to consistent output across systems, but was not
+    // suitable for downstream consumption by some applications.
+    std::vector<std::vector<const aiNode*>> skeleton_by_mesh(mScene->mNumMeshes);
     // at the same time we can build a list of all the skeleton nodes,
     // which will be used later to mark them as type "limbNode".
     std::unordered_set<const aiNode*> limbnodes;
 
     //actual bone nodes in fbx, without parenting-up
-    std::unordered_set<std::string> setAllBoneNamesInScene;
+    std::vector<std::string> allBoneNames;
-    for(unsigned int m = 0; m < mScene->mNumMeshes; ++ m)
+    for(unsigned int m = 0; m < mScene->mNumMeshes; ++ m) {
-    {
         aiMesh* pMesh = mScene->mMeshes[m];
         for(unsigned int b = 0; b < pMesh->mNumBones; ++ b)
-            setAllBoneNamesInScene.insert(pMesh->mBones[b]->mName.data);
+            allBoneNames.push_back(pMesh->mBones[b]->mName.data);
     }
     aiMatrix4x4 mxTransIdentity;
 
@@ -1902,7 +1895,7 @@ void FBXExporter::WriteObjects ()
     std::map<std::string,aiNode*> node_by_bone;
     for (size_t mi = 0; mi < mScene->mNumMeshes; ++mi) {
         const aiMesh* m = mScene->mMeshes[mi];
-        std::set<const aiNode*, SortNodeByName> skeleton;
+        std::vector<const aiNode*> skeleton;
         for (size_t bi =0; bi < m->mNumBones; ++bi) {
             const aiBone* b = m->mBones[bi];
             const std::string name(b->mName.C_Str());
@@ -1921,7 +1914,7 @@ void FBXExporter::WriteObjects ()
                 node_by_bone[name] = n;
                 limbnodes.insert(n);
             }
-            skeleton.insert(n);
+            skeleton.push_back(n);
             // mark all parent nodes as skeleton as well,
             // up until we find the root node,
             // or else the node containing the mesh,
@@ -1932,7 +1925,7 @@ void FBXExporter::WriteObjects ()
                 parent = parent->mParent
             ) {
                 // if we've already done this node we can skip it all
-                if (skeleton.count(parent)) {
+                if (std::find(skeleton.begin(), skeleton.end(), parent) != skeleton.end()) {
                     break;
                 }
                 // ignore fbx transform nodes as these will be collapsed later
@@ -1942,7 +1935,7 @@ void FBXExporter::WriteObjects ()
                     continue;
                 }
                 //not a bone in scene && no effect in transform
-                if(setAllBoneNamesInScene.find(node_name)==setAllBoneNamesInScene.end()
+                if (std::find(allBoneNames.begin(), allBoneNames.end(), node_name) == allBoneNames.end()
                    && parent->mTransformation == mxTransIdentity) {
                         continue;
                 }
@@ -2027,7 +2020,7 @@ void FBXExporter::WriteObjects ()
         aiMatrix4x4 mesh_xform = get_world_transform(mesh_node, mScene);
 
         // now make a subdeformer for each bone in the skeleton
-        const std::set<const aiNode*, SortNodeByName> skeleton= skeleton_by_mesh[mi];
+        const auto & skeleton= skeleton_by_mesh[mi];
         for (const aiNode* bone_node : skeleton) {
             // if there's a bone for this node, find it
             const aiBone* b = nullptr;

code/AssetLib/FBX/FBXMeshGeometry.cpp

@@ -644,10 +644,12 @@ void MeshGeometry::ReadVertexDataMaterials(std::vector<int>& materials_out, cons
         return;
     }
 
-    // materials are handled separately. First of all, they are assigned per-face
+    if (source["Materials"]) {
-    // and not per polyvert. Secondly, ReferenceInformationType=IndexToDirect
+        // materials are handled separately. First of all, they are assigned per-face
-    // has a slightly different meaning for materials.
+        // and not per polyvert. Secondly, ReferenceInformationType=IndexToDirect
-    ParseVectorDataArray(materials_out,GetRequiredElement(source,"Materials"));
+        // has a slightly different meaning for materials.
+        ParseVectorDataArray(materials_out, GetRequiredElement(source, "Materials"));
+    }
 
     if (MappingInformationType == "AllSame") {
         // easy - same material for all faces

code/AssetLib/MD5/MD5Parser.cpp

@@ -234,8 +234,12 @@ inline void AI_MD5_READ_TRIPLE(aiVector3D &vec, const char **sz, const char *buf
     AI_MD5_SKIP_SPACES(sz, bufferEnd, linenumber);
     if ('(' != **sz) {
         MD5Parser::ReportWarning("Unexpected token: ( was expected", linenumber);
+        if (*sz == bufferEnd)
+            return;
         ++*sz;
     }
+    if (*sz == bufferEnd)
+        return;
     ++*sz;
     AI_MD5_SKIP_SPACES(sz, bufferEnd, linenumber);
     *sz = fast_atoreal_move<float>(*sz, (float &)vec.x);
@@ -247,6 +251,8 @@ inline void AI_MD5_READ_TRIPLE(aiVector3D &vec, const char **sz, const char *buf
     if (')' != **sz) {
         MD5Parser::ReportWarning("Unexpected token: ) was expected", linenumber);
     }
+    if (*sz == bufferEnd)
+        return;
     ++*sz;
 }
 

code/AssetLib/Obj/ObjFileImporter.cpp

@@ -193,7 +193,7 @@ void ObjFileImporter::CreateDataFromImport(const ObjFile::Model *pModel, aiScene
         pScene->mRootNode->mChildren = new aiNode *[childCount];
 
         // Create nodes for the whole scene
-        std::vector<aiMesh *> MeshArray;
+        std::vector<std::unique_ptr<aiMesh>> MeshArray;
         MeshArray.reserve(meshCount);
         for (size_t index = 0; index < pModel->mObjects.size(); ++index) {
             createNodes(pModel, pModel->mObjects[index], pScene->mRootNode, pScene, MeshArray);
@@ -205,7 +205,7 @@ void ObjFileImporter::CreateDataFromImport(const ObjFile::Model *pModel, aiScene
         if (pScene->mNumMeshes > 0) {
             pScene->mMeshes = new aiMesh *[MeshArray.size()];
             for (size_t index = 0; index < MeshArray.size(); ++index) {
-                pScene->mMeshes[index] = MeshArray[index];
+                pScene->mMeshes[index] = MeshArray[index].release();
             }
         }
 
@@ -257,7 +257,7 @@ void ObjFileImporter::CreateDataFromImport(const ObjFile::Model *pModel, aiScene
 //  Creates all nodes of the model
 aiNode *ObjFileImporter::createNodes(const ObjFile::Model *pModel, const ObjFile::Object *pObject,
         aiNode *pParent, aiScene *pScene,
-        std::vector<aiMesh *> &MeshArray) {
+        std::vector<std::unique_ptr<aiMesh>> &MeshArray) {
     ai_assert(nullptr != pModel);
     if (nullptr == pObject) {
         return nullptr;
@@ -275,12 +275,10 @@ aiNode *ObjFileImporter::createNodes(const ObjFile::Model *pModel, const ObjFile
 
     for (size_t i = 0; i < pObject->m_Meshes.size(); ++i) {
         unsigned int meshId = pObject->m_Meshes[i];
-        aiMesh *pMesh = createTopology(pModel, pObject, meshId);
+        std::unique_ptr<aiMesh> pMesh = createTopology(pModel, pObject, meshId);
         if (pMesh != nullptr) {
             if (pMesh->mNumFaces > 0) {
-                MeshArray.push_back(pMesh);
+                MeshArray.push_back(std::move(pMesh));
-            } else {
-                delete pMesh;
             }
         }
     }
@@ -312,7 +310,7 @@ aiNode *ObjFileImporter::createNodes(const ObjFile::Model *pModel, const ObjFile
 
 // ------------------------------------------------------------------------------------------------
 //  Create topology data
-aiMesh *ObjFileImporter::createTopology(const ObjFile::Model *pModel, const ObjFile::Object *pData, unsigned int meshIndex) {
+std::unique_ptr<aiMesh> ObjFileImporter::createTopology(const ObjFile::Model *pModel, const ObjFile::Object *pData, unsigned int meshIndex) {
     // Checking preconditions
     ai_assert(nullptr != pModel);
 
@@ -394,7 +392,7 @@ aiMesh *ObjFileImporter::createTopology(const ObjFile::Model *pModel, const ObjF
     // Create mesh vertices
     createVertexArray(pModel, pData, meshIndex, pMesh.get(), uiIdxCount);
 
-    return pMesh.release();
+    return pMesh;
 }
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/Obj/ObjFileImporter.h

@@ -44,6 +44,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <assimp/BaseImporter.h>
 #include <assimp/material.h>
+#include <memory>
 #include <vector>
 
 struct aiMesh;
@@ -84,10 +85,10 @@ protected:
 
     //! \brief  Creates all nodes stored in imported content.
     aiNode *createNodes(const ObjFile::Model *pModel, const ObjFile::Object *pData,
-            aiNode *pParent, aiScene *pScene, std::vector<aiMesh *> &MeshArray);
+            aiNode *pParent, aiScene *pScene, std::vector<std::unique_ptr<aiMesh>> &MeshArray);
 
     //! \brief  Creates topology data like faces and meshes for the geometry.
-    aiMesh *createTopology(const ObjFile::Model *pModel, const ObjFile::Object *pData,
+    std::unique_ptr<aiMesh> createTopology(const ObjFile::Model *pModel, const ObjFile::Object *pData,
             unsigned int uiMeshIndex);
 
     //! \brief  Creates vertices from model.

code/AssetLib/Ply/PlyExporter.cpp

@@ -346,10 +346,22 @@ void PlyExporter::WriteMeshVertsBinary(const aiMesh* m, unsigned int components)
 
         for (unsigned int n = PLY_EXPORT_HAS_COLORS, c = 0; (components & n) && c != AI_MAX_NUMBER_OF_COLOR_SETS; n <<= 1, ++c) {
             if (m->HasVertexColors(c)) {
-                mOutput.write(reinterpret_cast<const char*>(&m->mColors[c][i].r), 16);
+                unsigned char rgba[4] = {
+                    static_cast<unsigned char>(m->mColors[c][i].r * 255),
+                    static_cast<unsigned char>(m->mColors[c][i].g * 255),
+                    static_cast<unsigned char>(m->mColors[c][i].b * 255),
+                    static_cast<unsigned char>(m->mColors[c][i].a * 255)
+                };
+                mOutput.write(reinterpret_cast<const char*>(&rgba), 4);
             }
             else {
-                mOutput.write(reinterpret_cast<const char*>(&defaultColor.r), 16);
+                unsigned char rgba[4] = {
+                    static_cast<unsigned char>(defaultColor.r * 255),
+                    static_cast<unsigned char>(defaultColor.g * 255),
+                    static_cast<unsigned char>(defaultColor.b * 255), 
+                    static_cast<unsigned char>(defaultColor.a * 255)
+                };
+                mOutput.write(reinterpret_cast<const char*>(&rgba), 4);
             }
         }
 

code/AssetLib/Ply/PlyLoader.cpp

@@ -564,6 +564,10 @@ void PLYImporter::LoadFace(const PLY::Element *pcElement, const PLY::ElementInst
         if (mGeneratedMesh->mFaces == nullptr) {
             mGeneratedMesh->mNumFaces = pcElement->NumOccur;
             mGeneratedMesh->mFaces = new aiFace[mGeneratedMesh->mNumFaces];
+        } else {
+            if (mGeneratedMesh->mNumFaces < pcElement->NumOccur) {
+                throw DeadlyImportError("Invalid .ply file: Too many faces");
+            }
         }
 
         if (!bIsTriStrip) {

code/AssetLib/glTF2/glTF2Asset.inl

@@ -1440,7 +1440,7 @@ inline void MaterialSheen::SetDefaults() {
 inline void MaterialVolume::SetDefaults() {
     //KHR_materials_volume properties
     thicknessFactor = 0.f;
-    attenuationDistance = INFINITY;
+    attenuationDistance = std::numeric_limits<float>::infinity();
     SetVector(attenuationColor, defaultAttenuationColor);
 }
 

code/AssetLib/glTF2/glTF2AssetWriter.inl

@@ -507,7 +507,7 @@ namespace glTF2 {
 
             WriteTex(materialVolume, volume.thicknessTexture, "thicknessTexture", w.mAl);
 
-            if (volume.attenuationDistance != INFINITY) {
+            if (volume.attenuationDistance != std::numeric_limits<float>::infinity()) {
                 WriteFloat(materialVolume, volume.attenuationDistance, "attenuationDistance", w.mAl);
             }
 

code/Common/StackAllocator.h

@@ -88,6 +88,11 @@ private:
 
 } // namespace Assimp
 
+/// @brief Fixes an undefined reference error when linking in certain build environments.
+//         May throw warnings about needing stdc++17, but should compile without issues on modern compilers.
+inline const size_t Assimp::StackAllocator::g_maxBytesPerBlock;
+inline const size_t Assimp::StackAllocator::g_startBytesPerBlock;
+
 #include "StackAllocator.inl"
 
 #endif // include guard

code/PostProcessing/LimitBoneWeightsProcess.cpp

@@ -53,7 +53,8 @@ namespace Assimp {
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-LimitBoneWeightsProcess::LimitBoneWeightsProcess() : mMaxWeights(AI_LMW_MAX_WEIGHTS) {
+LimitBoneWeightsProcess::LimitBoneWeightsProcess() :
+        mMaxWeights(AI_LMW_MAX_WEIGHTS), mRemoveEmptyBones(true) {
     // empty
 }
 

contrib/zip/src/zip.c

@@ -13,10 +13,14 @@
 #include <sys/stat.h>
 #include <time.h>
 
+#if defined(_MSC_VER)
+/* For Visual Studio only, NOT MinGW (GCC) -- ThatOSDev */
+#pragma warning( disable : 4706 )
+#endif
+
 #if defined(_WIN32) || defined(__WIN32__) || defined(_MSC_VER) ||              \
     defined(__MINGW32__)
-/* Win32, DOS, MSVC, MSVS */
+/* Win32, DOS, MSVC, MSVS, MinGW(GCC for windows) */
-#pragma warning( disable : 4706 )
 #include <direct.h>
 
 #define STRCLONE(STR) ((STR) ? _strdup(STR) : NULL)

include/assimp/metadata.h

@@ -113,19 +113,19 @@ struct aiMetadata;
   */
 // -------------------------------------------------------------------------------
 
-inline aiMetadataType GetAiType(bool) {
+inline aiMetadataType GetAiType(const bool &) {
     return AI_BOOL;
 }
 inline aiMetadataType GetAiType(int32_t) {
     return AI_INT32;
 }
-inline aiMetadataType GetAiType(uint64_t) {
+inline aiMetadataType GetAiType(const uint64_t &) {
     return AI_UINT64;
 }
-inline aiMetadataType GetAiType(float) {
+inline aiMetadataType GetAiType(const float &) {
     return AI_FLOAT;
 }
-inline aiMetadataType GetAiType(double) {
+inline aiMetadataType GetAiType(const double &) {
     return AI_DOUBLE;
 }
 inline aiMetadataType GetAiType(const aiString &) {
@@ -137,10 +137,10 @@ inline aiMetadataType GetAiType(const aiVector3D &) {
 inline aiMetadataType GetAiType(const aiMetadata &) {
     return AI_AIMETADATA;
 }
-inline aiMetadataType GetAiType(int64_t) {
+inline aiMetadataType GetAiType(const int64_t &) {
     return AI_INT64;
 }
-inline aiMetadataType GetAiType(uint32_t) {
+inline aiMetadataType GetAiType(const uint32_t &) {
     return AI_UINT32;
 }
 

include/assimp/postprocess.h

@@ -379,7 +379,7 @@ enum aiPostProcessSteps
      *     point primitives to separate meshes.
      *   </li>
      *   <li>Set the <tt>#AI_CONFIG_PP_SBP_REMOVE</tt> importer property to
-     *       @code aiPrimitiveType_POINTS | aiPrimitiveType_LINES
+     *       @code aiPrimitiveType_POINT | aiPrimitiveType_LINE
      *       @endcode to cause SortByPType to reject point
      *       and line meshes from the scene.
      *   </li>

port/PyAssimp/pyassimp/postprocess.py

@@ -270,7 +270,7 @@ aiProcess_SortByPType = 0x8000
 #     point primitives to separate meshes.
 #   <li>
 #   <li>Set the <tt>AI_CONFIG_PP_SBP_REMOVE<tt> option to 
-#       @code aiPrimitiveType_POINTS | aiPrimitiveType_LINES
+#       @code aiPrimitiveType_POINT | aiPrimitiveType_LINE
 #       @endcode to cause SortByPType to reject point
 #       and line meshes from the scene.
 #   <li>

port/dAssimp/assimp/postprocess.d

@@ -348,7 +348,7 @@ extern ( C ) {
        *   <li>Specify the <code>SortByPType</code> flag. This moves line and
        *      point primitives to separate meshes.</li>
        *   <li>Set the <code>AI_CONFIG_PP_SBP_REMOVE</codet> option to
-       *      <code>aiPrimitiveType_POINTS | aiPrimitiveType_LINES</code>
+       *      <code>aiPrimitiveType_POINT | aiPrimitiveType_LINE</code>
        *      to cause SortByPType to reject point and line meshes from the
        *      scene.</li>
        * </ul>

port/jassimp/jassimp/src/jassimp/AiPostProcessSteps.java

@@ -349,7 +349,7 @@ public enum AiPostProcessSteps {
      *   <li>Specify the #SortByPType flag. This moves line and point 
      *       primitives to separate meshes.
      *   <li>Set the <tt>AI_CONFIG_PP_SBP_REMOVE</tt> option to
-     *       <code>aiPrimitiveType_POINTS | aiPrimitiveType_LINES</code>
+     *       <code>aiPrimitiveType_POINT | aiPrimitiveType_LINE</code>
      *       to cause SortByPType to reject point and line meshes from the 
      *       scene.
      * </ul>

test/unit/utB3DImportExport.cpp

@@ -56,6 +56,6 @@ public:
     }
 };
 
-TEST_F(utB3DImportExport, importACFromFileTest) {
+TEST_F(utB3DImportExport, importB3DFromFileTest) {
     EXPECT_TRUE(importerTest());
 }

test/unit/utMetadata.cpp

@@ -242,6 +242,22 @@ TEST_F( utMetadata, copy_test ) {
         EXPECT_EQ( i32v, v );
     }
 
+    // uint32_t test
+    {
+        uint32_t v = 0;
+        bool ok = copy.Get("uint32_t", v);
+        EXPECT_TRUE(ok);
+        EXPECT_EQ( ui32, v );
+    }
+
+    // int64_t test
+    {
+        int64_t v = -1;
+        bool ok = copy.Get("int64_t", v);
+        EXPECT_TRUE(ok);
+        EXPECT_EQ( i64, v );
+    }
+
     // uint64_t test
     {
         uint64_t v = 255;
@@ -264,14 +280,14 @@ TEST_F( utMetadata, copy_test ) {
         EXPECT_EQ( dv, v );
     }
 
-    // bool test
+    // string test
     {
         aiString v;
         EXPECT_TRUE( copy.Get( "aiString", v ) );
         EXPECT_EQ( strVal, v );
     }
 
-    // bool test
+    // vector test
     {
         aiVector3D v;
         EXPECT_TRUE( copy.Get( "aiVector3D", v ) );