Merge branch 'master' into fix/collada_parser_sid

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/ccpp.yml

@@ -43,7 +43,7 @@ jobs:
             toolchain: ninja-vs-win64-cxx17
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     
     - uses: lukka/get-cmake@latest
     
@@ -64,21 +64,21 @@ jobs:
 
     - name: Checkout Hunter toolchains
       if: endsWith(matrix.name, 'hunter')
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         repository: cpp-pm/polly
         path: cmake/polly
 
     - name: Remove contrib directory for Hunter builds
       if: contains(matrix.name, 'hunter')
-      uses: JesseTG/rm@v1.0.2
+      uses: JesseTG/rm@v1.0.3
       with:
         path: contrib
 
     - name: Cache DX SDK
       id: dxcache
       if: contains(matrix.name, 'windows')
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: '${{ github.workspace }}/DX_SDK'
         key: ${{ runner.os }}-DX_SDK
@@ -122,7 +122,7 @@ jobs:
       run: cd build/bin && ./unit ${{ steps.hunter_extra_test_args.outputs.args }}
       shell: bash
 
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v3
       if: matrix.name == 'windows-msvc'
       with:
         name: 'assimp-bins-${{ matrix.name }}-${{ github.sha }}'

.github/workflows/sanitizer.yml

@@ -11,7 +11,7 @@ jobs:
     name: adress-sanitizer
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: lukka/get-cmake@latest    
     - uses: lukka/set-shell-env@v1
       with:
@@ -35,7 +35,7 @@ jobs:
     name: undefined-behavior-sanitizer
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: lukka/get-cmake@latest    
     - uses: lukka/set-shell-env@v1
       with:

Build.md

@@ -14,7 +14,8 @@ The assimp port in vcpkg is kept up to date by Microsoft team members and commun
 ## Install on Ubuntu
 You can install the Asset-Importer-Lib via apt:
 ```
-sudo apt-get install assimp
+sudo apt-get update
+sudo apt-get install libassimp-dev
 ```
 
 ## Install pyassimp

CMakeLists.txt

@@ -90,7 +90,7 @@ OPTION( ASSIMP_BUILD_ZLIB
 )
 OPTION( ASSIMP_BUILD_ASSIMP_TOOLS
   "If the supplementary tools for Assimp are built in addition to the library."
-  ON
+  OFF
 )
 OPTION ( ASSIMP_BUILD_SAMPLES
   "If the official samples are built as well (needs Glut)."

code/AssetLib/3MF/3MFXmlTags.h

@@ -74,6 +74,8 @@ namespace XmlTag {
     const char* const pid = "pid";
     const char* const pindex = "pindex";
     const char* const p1 = "p1";
+    const char *const p2 = "p2";
+    const char *const p3 = "p3";
     const char* const name = "name";
     const char* const type = "type";
     const char* const build = "build";

code/AssetLib/3MF/D3MFOpcPackage.cpp

@@ -186,6 +186,9 @@ D3MFOpcPackage::D3MFOpcPackage(IOSystem *pIOHandler, const std::string &rFile) :
 D3MFOpcPackage::~D3MFOpcPackage() {
     mZipArchive->Close(mRootStream);
     delete mZipArchive;
+    for (auto tex : mEmbeddedTextures) {
+        delete tex;
+    }
 }
 
 IOStream *D3MFOpcPackage::RootStream() const {

code/AssetLib/3MF/XmlSerializer.cpp

@@ -64,7 +64,7 @@ bool validateColorString(const char *color) {
     return true;
 }
 
-aiFace ReadTriangle(XmlNode &node) {
+aiFace ReadTriangle(XmlNode &node, int &texId0, int &texId1, int &texId2) {
     aiFace face;
 
     face.mNumIndices = 3;
@@ -73,6 +73,11 @@ aiFace ReadTriangle(XmlNode &node) {
     face.mIndices[1] = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::v2).as_string()));
     face.mIndices[2] = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::v3).as_string()));
 
+    texId0 = texId1 = texId2 = -1;
+    XmlParser::getIntAttribute(node, XmlTag::p1, texId0);
+    XmlParser::getIntAttribute(node, XmlTag::p2, texId1);
+    XmlParser::getIntAttribute(node, XmlTag::p3, texId2);
+
     return face;
 }
 
@@ -412,6 +417,9 @@ void XmlSerializer::ImportTriangles(XmlNode &node, aiMesh *mesh) {
             bool hasPid = getNodeAttribute(currentNode, D3MF::XmlTag::pid, pid);
             bool hasP1 = getNodeAttribute(currentNode, D3MF::XmlTag::p1, p1);
 
+            int texId[3];
+            Texture2DGroup *group = nullptr;
+            aiFace face = ReadTriangle(currentNode, texId[0], texId[1], texId[2]);
             if (hasPid && hasP1) {
                 auto it = mResourcesDictionnary.find(pid);
                 if (it != mResourcesDictionnary.end()) {
@@ -420,23 +428,34 @@ void XmlSerializer::ImportTriangles(XmlNode &node, aiMesh *mesh) {
                         mesh->mMaterialIndex = baseMaterials->mMaterialIndex[p1];
                     } else if (it->second->getType() == ResourceType::RT_Texture2DGroup) {
                         if (mesh->mTextureCoords[0] == nullptr) {
-                            Texture2DGroup *group = static_cast<Texture2DGroup *>(it->second);
+                            mesh->mNumUVComponents[0] = 2;
+                            for (unsigned int i = 1; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+                                mesh->mNumUVComponents[i] = 0;
+                            }
+
+                            group = static_cast<Texture2DGroup *>(it->second);
                             const std::string name = ai_to_string(group->mTexId);
                             for (size_t i = 0; i < mMaterials.size(); ++i) {
                                 if (name == mMaterials[i]->GetName().C_Str()) {
                                     mesh->mMaterialIndex = static_cast<unsigned int>(i);
                                 }
                             }
-                            mesh->mTextureCoords[0] = new aiVector3D[group->mTex2dCoords.size()];
+                            mesh->mTextureCoords[0] = new aiVector3D[mesh->mNumVertices];
-                            for (unsigned int i = 0; i < group->mTex2dCoords.size(); ++i) {
-                                mesh->mTextureCoords[0][i] = aiVector3D(group->mTex2dCoords[i].x, group->mTex2dCoords[i].y, 0);
-                            }
                         }
                     } 
                 }
             }
 
-            aiFace face = ReadTriangle(currentNode);
+            // Load texture coordinates into mesh, when any
+            if (group != nullptr) {
+                size_t i0 = face.mIndices[0];
+                size_t i1 = face.mIndices[1];
+                size_t i2 = face.mIndices[2];
+                mesh->mTextureCoords[0][i0] = aiVector3D(group->mTex2dCoords[texId[0]].x, group->mTex2dCoords[texId[0]].y, 0.0f);
+                mesh->mTextureCoords[0][i1] = aiVector3D(group->mTex2dCoords[texId[1]].x, group->mTex2dCoords[texId[1]].y, 0.0f);
+                mesh->mTextureCoords[0][i2] = aiVector3D(group->mTex2dCoords[texId[2]].x, group->mTex2dCoords[texId[2]].y, 0.0f);
+            }
+
             faces.push_back(face);
         }
     }
@@ -578,11 +597,15 @@ aiMaterial *XmlSerializer::readMaterialDef(XmlNode &node, unsigned int basemater
 }
 
 void XmlSerializer::StoreMaterialsInScene(aiScene *scene) {
-    if (nullptr == scene || mMaterials.empty()) {
+    if (nullptr == scene) {
         return;
     }
 
     scene->mNumMaterials = static_cast<unsigned int>(mMaterials.size());
+    if (scene->mNumMaterials == 0) {
+        return;
+    }
+
     scene->mMaterials = new aiMaterial *[scene->mNumMaterials];
     for (size_t i = 0; i < mMaterials.size(); ++i) {
         scene->mMaterials[i] = mMaterials[i];

code/AssetLib/Collada/ColladaHelper.h

@@ -621,6 +621,11 @@ struct Animation {
 
         for (std::vector<Animation *>::iterator it = pParent->mSubAnims.begin(); it != pParent->mSubAnims.end();) {
             Animation *anim = *it;
+            // Assign the first animation name to the parent if empty.
+            // This prevents the animation name from being lost when animations are combined
+            if (mName.empty()) {
+              mName = anim->mName;
+            }
             CombineSingleChannelAnimationsRecursively(anim);
 
             if (childrenAnimationsHaveDifferentChannels && anim->mChannels.size() == 1 &&

code/AssetLib/Collada/ColladaLoader.cpp

@@ -102,6 +102,7 @@ ColladaLoader::ColladaLoader() :
         mTextures(),
         mAnims(),
         noSkeletonMesh(false),
+        removeEmptyBones(false),
         ignoreUpDirection(false),
         useColladaName(false),
         mNodeNameCounter(0) {
@@ -130,6 +131,7 @@ bool ColladaLoader::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool
 // ------------------------------------------------------------------------------------------------
 void ColladaLoader::SetupProperties(const Importer *pImp) {
     noSkeletonMesh = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_NO_SKELETON_MESHES, 0) != 0;
+    removeEmptyBones = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_REMOVE_EMPTY_BONES, true) != 0;
     ignoreUpDirection = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION, 0) != 0;
     useColladaName = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_USE_COLLADA_NAMES, 0) != 0;
 }
@@ -798,9 +800,10 @@ aiMesh *ColladaLoader::CreateMesh(const ColladaParser &pParser, const Mesh *pSrc
         // count the number of bones which influence vertices of the current submesh
         size_t numRemainingBones = 0;
         for (const auto & dstBone : dstBones) {
-            if (!dstBone.empty()) {
+            if (dstBone.empty() && removeEmptyBones) {
-                ++numRemainingBones;
+                continue;
             }
+            ++numRemainingBones;
         }
 
         // create bone array and copy bone weights one by one
@@ -809,7 +812,7 @@ aiMesh *ColladaLoader::CreateMesh(const ColladaParser &pParser, const Mesh *pSrc
         size_t boneCount = 0;
         for (size_t a = 0; a < numBones; ++a) {
             // omit bones without weights
-            if (dstBones[a].empty()) {
+            if (dstBones[a].empty() && removeEmptyBones) {
                 continue;
             }
 

code/AssetLib/Collada/ColladaLoader.h

@@ -237,6 +237,7 @@ protected:
     std::vector<aiAnimation *> mAnims;
 
     bool noSkeletonMesh;
+    bool removeEmptyBones;
     bool ignoreUpDirection;
     bool useColladaName;
 

code/AssetLib/DXF/DXFLoader.cpp

@@ -368,7 +368,9 @@ void DXFImporter::ExpandBlockReferences(DXF::Block& bl,const DXF::BlockMap& bloc
         // XXX this would be the place to implement recursive expansion if needed.
         const DXF::Block& bl_src = *(*it).second;
 
-        for (std::shared_ptr<const DXF::PolyLine> pl_in : bl_src.lines) {
+        const size_t size = bl_src.lines.size(); // the size may increase in the loop
+        for (size_t i = 0; i < size; ++i) {
+            std::shared_ptr<const DXF::PolyLine> pl_in = bl_src.lines[i];
             if (!pl_in) {
                 ASSIMP_LOG_ERROR("DXF: PolyLine instance is nullptr, skipping.");
                 continue;

code/AssetLib/FBX/FBXConverter.cpp

@@ -3377,6 +3377,10 @@ FBXConverter::KeyFrameListList FBXConverter::GetRotationKeyframeList(const std::
                             Keys->push_back(tnew);
                             Values->push_back(vnew);
                         }
+                        else {
+                            // Something broke
+                            break;
+                        }
                         tp = tnew;
                         vp = vnew;
                     }

code/AssetLib/LWO/LWOLoader.cpp

@@ -287,7 +287,7 @@ void LWOImporter::InternReadFile(const std::string &pFile,
             if (UINT_MAX == iDefaultSurface) {
                 pSorted.erase(pSorted.end() - 1);
             }
-            for (unsigned int p = 0, j = 0; j < mSurfaces->size(); ++j) {
+            for (unsigned int j = 0; j < mSurfaces->size(); ++j) {
                 SortedRep &sorted = pSorted[j];
                 if (sorted.empty())
                     continue;
@@ -425,7 +425,6 @@ void LWOImporter::InternReadFile(const std::string &pFile,
                 } else {
                     ASSIMP_LOG_VERBOSE_DEBUG("LWO2: No need to compute normals, they're already there");
                 }
-                ++p;
             }
         }
 

code/AssetLib/LWS/LWSLoader.cpp

@@ -313,6 +313,9 @@ void LWSImporter::SetupNodeName(aiNode *nd, LWS::NodeDesc &src) {
             std::string::size_type t = src.path.substr(s).find_last_of('.');
 
             nd->mName.length = ::ai_snprintf(nd->mName.data, MAXLEN, "%s_(%08X)", src.path.substr(s).substr(0, t).c_str(), combined);
+            if (nd->mName.length > MAXLEN) {
+                nd->mName.length = MAXLEN;
+            }
             return;
         }
     }

code/AssetLib/MDL/MDLMaterialLoader.cpp

@@ -449,6 +449,9 @@ void MDLImporter::ParseSkinLump_3DGS_MDL7(
         unsigned int iWidth,
         unsigned int iHeight) {
     std::unique_ptr<aiTexture> pcNew;
+    if (szCurrent == nullptr) {
+        return;
+    }
 
     // get the type of the skin
     unsigned int iMasked = (unsigned int)(iType & 0xF);

code/AssetLib/NDO/NDOLoader.cpp

@@ -136,7 +136,9 @@ void NDOImporter::InternReadFile( const std::string& pFile,
         ASSIMP_LOG_INFO("NDO file format is 1.2");
     }
     else {
-        ASSIMP_LOG_WARN( "Unrecognized nendo file format version, continuing happily ... :", (head+6));
+        char buff[4] = {0};
+        memcpy(buff, head+6, 3);
+        ASSIMP_LOG_WARN( "Unrecognized nendo file format version, continuing happily ... :", buff);
     }
 
     reader.IncPtr(2); /* skip flags */

code/AssetLib/Obj/ObjFileMtlImporter.cpp

@@ -126,16 +126,20 @@ void ObjFileMtlImporter::load() {
                 if (*m_DataIt == 'a') // Ambient color
                 {
                     ++m_DataIt;
+                    if (m_pModel->m_pCurrentMaterial != nullptr)
                         getColorRGBA(&m_pModel->m_pCurrentMaterial->ambient);
                 } else if (*m_DataIt == 'd') {
                     // Diffuse color
                     ++m_DataIt;
+                    if (m_pModel->m_pCurrentMaterial != nullptr)
                         getColorRGBA(&m_pModel->m_pCurrentMaterial->diffuse);
                 } else if (*m_DataIt == 's') {
                     ++m_DataIt;
+                    if (m_pModel->m_pCurrentMaterial != nullptr)
                         getColorRGBA(&m_pModel->m_pCurrentMaterial->specular);
                 } else if (*m_DataIt == 'e') {
                     ++m_DataIt;
+                    if (m_pModel->m_pCurrentMaterial != nullptr)
                         getColorRGBA(&m_pModel->m_pCurrentMaterial->emissive);
                 }
                 m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine);
@@ -145,12 +149,14 @@ void ObjFileMtlImporter::load() {
                 // Material transmission color
                 if (*m_DataIt == 'f')  {
                     ++m_DataIt;
+                    if (m_pModel->m_pCurrentMaterial != nullptr)
                         getColorRGBA(&m_pModel->m_pCurrentMaterial->transparent);
                 } else if (*m_DataIt == 'r')  {
                     // Material transmission alpha value
                     ++m_DataIt;
                     ai_real d;
                     getFloatValue(d);
+                    if (m_pModel->m_pCurrentMaterial != nullptr)
                         m_pModel->m_pCurrentMaterial->alpha = static_cast<ai_real>(1.0) - d;
                 }
                 m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine);
@@ -162,6 +168,7 @@ void ObjFileMtlImporter::load() {
                 } else {
                     // Alpha value
                     ++m_DataIt;
+                    if (m_pModel->m_pCurrentMaterial != nullptr)
                         getFloatValue(m_pModel->m_pCurrentMaterial->alpha);
                     m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine);
                 }
@@ -173,10 +180,12 @@ void ObjFileMtlImporter::load() {
                 switch (*m_DataIt) {
                     case 's': // Specular exponent
                         ++m_DataIt;
+                        if (m_pModel->m_pCurrentMaterial != nullptr)
                             getFloatValue(m_pModel->m_pCurrentMaterial->shineness);
                         break;
                     case 'i': // Index Of refraction
                         ++m_DataIt;
+                        if (m_pModel->m_pCurrentMaterial != nullptr)
                             getFloatValue(m_pModel->m_pCurrentMaterial->ior);
                         break;
                     case 'e': // New material
@@ -197,22 +206,27 @@ void ObjFileMtlImporter::load() {
                     {
                     case 'r':
                         ++m_DataIt;
+                        if (m_pModel->m_pCurrentMaterial != nullptr)
                             getFloatValue(m_pModel->m_pCurrentMaterial->roughness);
                         break;
                     case 'm':
                         ++m_DataIt;
+                        if (m_pModel->m_pCurrentMaterial != nullptr)
                             getFloatValue(m_pModel->m_pCurrentMaterial->metallic);
                         break;
                     case 's':
                         ++m_DataIt;
+                        if (m_pModel->m_pCurrentMaterial != nullptr)
                             getColorRGBA(m_pModel->m_pCurrentMaterial->sheen);
                         break;
                     case 'c':
                         ++m_DataIt;
                         if (*m_DataIt == 'r') {
                             ++m_DataIt;
+                            if (m_pModel->m_pCurrentMaterial != nullptr)
                                 getFloatValue(m_pModel->m_pCurrentMaterial->clearcoat_roughness);
                         } else {
+                            if (m_pModel->m_pCurrentMaterial != nullptr)
                                 getFloatValue(m_pModel->m_pCurrentMaterial->clearcoat_thickness);
                         }
                         break;
@@ -232,6 +246,7 @@ void ObjFileMtlImporter::load() {
             case 'i': // Illumination model
             {
                 m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd);
+                if (m_pModel->m_pCurrentMaterial != nullptr)
                     getIlluminationModel(m_pModel->m_pCurrentMaterial->illumination_model);
                 m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine);
             } break;
@@ -240,6 +255,7 @@ void ObjFileMtlImporter::load() {
             {
                 ++m_DataIt;
                 getFloatValue(m_pModel->m_pCurrentMaterial->anisotropy);
+                if (m_pModel->m_pCurrentMaterial != nullptr)
                     m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine);
             } break;
 

code/AssetLib/Obj/ObjFileParser.cpp

@@ -458,7 +458,8 @@ void ObjFileParser::getFace(aiPrimitiveType type) {
             iPos = 0;
         } else {
             //OBJ USES 1 Base ARRAYS!!!!
-            const int iVal(::atoi(&(*m_DataIt)));
+            std::string number(&(*m_DataIt), m_DataItEnd - m_DataIt);
+            const int iVal(::atoi(number.c_str()));
 
             // increment iStep position based off of the sign and # of digits
             int tmp = iVal;

code/AssetLib/OpenGEX/OpenGEXImporter.cpp

@@ -151,45 +151,46 @@ namespace Grammar {
     }
 
     static TokenType matchTokenType(const char *tokenType) {
-        if (MetricType == tokenType) {
+        const size_t len = std::strlen(tokenType);
+        if (0 == strncmp(MetricType, tokenType, len)) {
             return MetricToken;
-        } else if (NameType == tokenType) {
+        } else if (0 == strncmp(NameType, tokenType, len)) {
             return NameToken;
-        } else if (ObjectRefType == tokenType) {
+        } else if (0 == strncmp(ObjectRefType, tokenType, len)) {
             return ObjectRefToken;
-        } else if (MaterialRefType == tokenType) {
+        } else if (0 == strncmp(MaterialRefType, tokenType, len)) {
             return MaterialRefToken;
-        } else if (MetricKeyType == tokenType) {
+        } else if (0 == strncmp(MetricKeyType, tokenType, len)) {
             return MetricKeyToken;
-        } else if (GeometryNodeType == tokenType) {
+        } else if (0 == strncmp(GeometryNodeType, tokenType, len)) {
             return GeometryNodeToken;
-        } else if (CameraNodeType == tokenType) {
+        } else if (0 == strncmp(CameraNodeType, tokenType, len)) {
             return CameraNodeToken;
-        } else if (LightNodeType == tokenType) {
+        } else if (0 == strncmp(LightNodeType, tokenType, len)) {
             return LightNodeToken;
-        } else if (GeometryObjectType == tokenType) {
+        } else if (0 == strncmp(GeometryObjectType, tokenType, len)) {
             return GeometryObjectToken;
-        } else if (CameraObjectType == tokenType) {
+        } else if (0 == strncmp(CameraObjectType, tokenType, len)) {
             return CameraObjectToken;
-        } else if (LightObjectType == tokenType) {
+        } else if (0 == strncmp(LightObjectType, tokenType, len)) {
             return LightObjectToken;
-        } else if (TransformType == tokenType) {
+        } else if (0 == strncmp(TransformType, tokenType, len)) {
             return TransformToken;
-        } else if (MeshType == tokenType) {
+        } else if (0 == strncmp(MeshType, tokenType, len)) {
             return MeshToken;
-        } else if (VertexArrayType == tokenType) {
+        } else if (0 == strncmp(VertexArrayType, tokenType, len)) {
             return VertexArrayToken;
-        } else if (IndexArrayType == tokenType) {
+        } else if (0 == strncmp(IndexArrayType, tokenType, len)) {
             return IndexArrayToken;
-        } else if (MaterialType == tokenType) {
+        } else if (0 == strncmp(MaterialType, tokenType, len)) {
             return MaterialToken;
-        } else if (ColorType == tokenType) {
+        } else if (0 == strncmp(ColorType, tokenType, len)) {
             return ColorToken;
-        } else if (ParamType == tokenType) {
+        } else if (0 == strncmp(ParamType, tokenType, len)) {
             return ParamToken;
-        } else if (TextureType == tokenType) {
+        } else if (0 == strncmp(TextureType, tokenType, len)) {
             return TextureToken;
-        } else if (AttenType == tokenType) {
+        } else if (0 == strncmp(AttenType, tokenType, len)) {
             return AttenToken;
         }
 
@@ -256,11 +257,6 @@ OpenGEXImporter::RefInfo::RefInfo(aiNode *node, Type type, std::vector<std::stri
     // empty
 }
 
-//------------------------------------------------------------------------------------------------
-OpenGEXImporter::RefInfo::~RefInfo() {
-    // empty
-}
-
 //------------------------------------------------------------------------------------------------
 OpenGEXImporter::OpenGEXImporter() :
         m_root(nullptr),
@@ -285,10 +281,6 @@ OpenGEXImporter::OpenGEXImporter() :
     // empty
 }
 
-//------------------------------------------------------------------------------------------------
-OpenGEXImporter::~OpenGEXImporter() {
-}
-
 //------------------------------------------------------------------------------------------------
 bool OpenGEXImporter::CanRead(const std::string &file, IOSystem *pIOHandler, bool /*checkSig*/) const {
     static const char *tokens[] = { "Metric", "GeometryNode", "VertexArray (attrib", "IndexArray" };

code/AssetLib/OpenGEX/OpenGEXImporter.h

@@ -79,12 +79,7 @@ struct MetricInfo {
     float m_floatValue;
     int m_intValue;
 
-    MetricInfo()
+    MetricInfo(): m_stringValue( ), m_floatValue( 0.0f ), m_intValue( -1 ) {}
-    : m_stringValue( )
-    , m_floatValue( 0.0f )
-    , m_intValue( -1 ) {
-        // empty
-    }
 };
 
 /** @brief  This class is used to implement the OpenGEX importer
@@ -97,7 +92,7 @@ public:
     OpenGEXImporter();
 
     /// The class destructor.
-    ~OpenGEXImporter() override;
+    ~OpenGEXImporter() override = default;
 
     /// BaseImporter override.
     bool CanRead( const std::string &file, IOSystem *pIOHandler, bool checkSig ) const override;
@@ -170,7 +165,7 @@ private:
         std::vector<std::string> m_Names;
 
         RefInfo( aiNode *node, Type type, std::vector<std::string> &names );
-        ~RefInfo();
+        ~RefInfo() = default;
 
         RefInfo( const RefInfo & ) = delete;
         RefInfo &operator = ( const RefInfo & ) = delete;

code/AssetLib/Q3D/Q3DLoader.cpp

@@ -129,10 +129,20 @@ void Q3DImporter::InternReadFile(const std::string &pFile,
     unsigned int numTextures = (unsigned int)stream.GetI4();
 
     std::vector<Material> materials;
+    try {
         materials.reserve(numMats);
+    } catch(const std::bad_alloc&) {
+        ASSIMP_LOG_ERROR("Invalid alloc for materials.");
+        throw DeadlyImportError("Invalid Quick3D-file, material allocation failed.");
+    }
 
     std::vector<Mesh> meshes;
+    try {
         meshes.reserve(numMeshes);
+    } catch(const std::bad_alloc&) {
+        ASSIMP_LOG_ERROR("Invalid alloc for meshes.");
+        throw DeadlyImportError("Invalid Quick3D-file, mesh allocation failed.");
+    }
 
     // Allocate the scene root node
     pScene->mRootNode = new aiNode();

code/AssetLib/STL/STLLoader.cpp

@@ -73,7 +73,7 @@ static const aiImporterDesc desc = {
 // 1) 80 byte header
 // 2) 4 byte face count
 // 3) 50 bytes per face
-static bool IsBinarySTL(const char *buffer, unsigned int fileSize) {
+static bool IsBinarySTL(const char *buffer, size_t fileSize) {
     if (fileSize < 84) {
         return false;
     }
@@ -92,7 +92,7 @@ static const char UnicodeBoundary = 127;
 // An ascii STL buffer will begin with "solid NAME", where NAME is optional.
 // Note: The "solid NAME" check is necessary, but not sufficient, to determine
 // if the buffer is ASCII; a binary header could also begin with "solid NAME".
-static bool IsAsciiSTL(const char *buffer, unsigned int fileSize) {
+static bool IsAsciiSTL(const char *buffer, size_t fileSize) {
     if (IsBinarySTL(buffer, fileSize))
         return false;
 
@@ -172,7 +172,7 @@ void STLImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
         throw DeadlyImportError("Failed to open STL file ", pFile, ".");
     }
 
-    mFileSize = (unsigned int)file->FileSize();
+    mFileSize = file->FileSize();
 
     // allocate storage and copy the contents of the file to a memory buffer
     // (terminate it with zero)
@@ -233,7 +233,7 @@ void STLImporter::LoadASCIIFile(aiNode *root) {
 
     // try to guess how many vertices we could have
     // assume we'll need 160 bytes for each face
-    size_t sizeEstimate = std::max(1u, mFileSize / 160u) * 3;
+    size_t sizeEstimate = std::max(1ull, mFileSize / 160ull) * 3ull;
     positionBuffer.reserve(sizeEstimate);
     normalBuffer.reserve(sizeEstimate);
 
@@ -284,8 +284,6 @@ void STLImporter::LoadASCIIFile(aiNode *root) {
                     ASSIMP_LOG_WARN("STL: A new facet begins but the old is not yet complete");
                 }
                 faceVertexCounter = 0;
-                normalBuffer.push_back(aiVector3D());
-                aiVector3D *vn = &normalBuffer.back();
 
                 sz += 6;
                 SkipSpaces(&sz);
@@ -295,15 +293,17 @@ void STLImporter::LoadASCIIFile(aiNode *root) {
                     if (sz[6] == '\0') {
                         throw DeadlyImportError("STL: unexpected EOF while parsing facet");
                     }
+                    aiVector3D vn;
                     sz += 7;
                     SkipSpaces(&sz);
-                    sz = fast_atoreal_move<ai_real>(sz, (ai_real &)vn->x);
+                    sz = fast_atoreal_move<ai_real>(sz, (ai_real &)vn.x);
                     SkipSpaces(&sz);
-                    sz = fast_atoreal_move<ai_real>(sz, (ai_real &)vn->y);
+                    sz = fast_atoreal_move<ai_real>(sz, (ai_real &)vn.y);
                     SkipSpaces(&sz);
-                    sz = fast_atoreal_move<ai_real>(sz, (ai_real &)vn->z);
+                    sz = fast_atoreal_move<ai_real>(sz, (ai_real &)vn.z);
-                    normalBuffer.push_back(*vn);
+                    normalBuffer.emplace_back(vn);
-                    normalBuffer.push_back(*vn);
+                    normalBuffer.emplace_back(vn);
+                    normalBuffer.emplace_back(vn);
                 }
             } else if (!strncmp(sz, "vertex", 6) && ::IsSpaceOrNewLine(*(sz + 6))) { // vertex 1.50000 1.50000 0.00000
                 if (faceVertexCounter >= 3) {
@@ -315,7 +315,7 @@ void STLImporter::LoadASCIIFile(aiNode *root) {
                     }
                     sz += 7;
                     SkipSpaces(&sz);
-                    positionBuffer.push_back(aiVector3D());
+                    positionBuffer.emplace_back();
                     aiVector3D *vn = &positionBuffer.back();
                     sz = fast_atoreal_move<ai_real>(sz, (ai_real &)vn->x);
                     SkipSpaces(&sz);
@@ -439,7 +439,7 @@ bool STLImporter::LoadBinaryFile() {
     pMesh->mNumFaces = *((uint32_t *)sz);
     sz += 4;
 
-    if (mFileSize < 84 + pMesh->mNumFaces * 50) {
+    if (mFileSize < 84ull + pMesh->mNumFaces * 50ull) {
         throw DeadlyImportError("STL: file is too small to hold all facets");
     }
 
@@ -517,13 +517,13 @@ bool STLImporter::LoadBinaryFile() {
             const ai_real invVal((ai_real)1.0 / (ai_real)31.0);
             if (bIsMaterialise) // this is reversed
             {
-                clr->r = (color & 0x31u) * invVal;
+                clr->r = (color & 0x1fu) * invVal;
-                clr->g = ((color & (0x31u << 5)) >> 5u) * invVal;
+                clr->g = ((color & (0x1fu << 5)) >> 5u) * invVal;
-                clr->b = ((color & (0x31u << 10)) >> 10u) * invVal;
+                clr->b = ((color & (0x1fu << 10)) >> 10u) * invVal;
             } else {
-                clr->b = (color & 0x31u) * invVal;
+                clr->b = (color & 0x1fu) * invVal;
-                clr->g = ((color & (0x31u << 5)) >> 5u) * invVal;
+                clr->g = ((color & (0x1fu << 5)) >> 5u) * invVal;
-                clr->r = ((color & (0x31u << 10)) >> 10u) * invVal;
+                clr->r = ((color & (0x1fu << 10)) >> 10u) * invVal;
             }
             // assign the color to all vertices of the face
             *(clr + 1) = *clr;

code/AssetLib/STL/STLLoader.h

@@ -109,7 +109,7 @@ protected:
     const char* mBuffer;
 
     /** Size of the file, in bytes */
-    unsigned int mFileSize;
+    size_t mFileSize;
 
     /** Output scene */
     aiScene* mScene;

code/AssetLib/Step/STEPFile.h

@@ -2,8 +2,7 @@
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
-Copyright (c) 2006-2020, assimp team
+Copyright (c) 2006-2022, assimp team
-
 
 All rights reserved.
 
@@ -59,7 +58,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #    pragma warning(disable : 4127 4456 4245 4512 )
 #endif // _MSC_VER
 
-//
 #if _MSC_VER > 1500 || (defined __GNUC___)
 #    define ASSIMP_STEP_USE_UNORDERED_MULTIMAP
 #else
@@ -99,13 +97,9 @@ namespace EXPRESS {
 class DataType;
 class UNSET; /*: public DataType */
 class ISDERIVED; /*: public DataType */
-//  class REAL;         /*: public DataType */
 class ENUM; /*: public DataType */
-//  class STRING;       /*: public DataType */
-//  class INTEGER;      /*: public DataType */
 class ENTITY; /*: public DataType */
 class LIST; /*: public DataType */
-//  class SELECT;       /*: public DataType */
 
 // a conversion schema is not exactly an EXPRESS schema, rather it
 // is a list of pointers to conversion functions to build up the
@@ -127,7 +121,8 @@ namespace STEP {
 
 // -------------------------------------------------------------------------------
 /** Exception class used by the STEP loading & parsing code. It is typically
-     *  coupled with a line number. */
+ *  coupled with a line number. 
+ */
 // -------------------------------------------------------------------------------
 struct SyntaxError : DeadlyImportError {
     enum : uint64_t {
@@ -140,7 +135,8 @@ struct SyntaxError : DeadlyImportError {
 // -------------------------------------------------------------------------------
 /** Exception class used by the STEP loading & parsing code when a type
  *  error (i.e. an entity expects a string but receives a bool) occurs.
-     *  It is typically coupled with both an entity id and a line number.*/
+ *  It is typically coupled with both an entity id and a line number.
+ */
 // -------------------------------------------------------------------------------
 struct TypeError : DeadlyImportError {
     enum : uint64_t {
@@ -167,10 +163,8 @@ public:
     typedef std::shared_ptr<const DataType> Out;
 
 public:
-    virtual ~DataType() {
+    virtual ~DataType() = default;
-    }
 
-public:
     template <typename T>
     const T &To() const {
         return dynamic_cast<const T &>(*this);
@@ -214,8 +208,6 @@ public:
     static std::shared_ptr<const EXPRESS::DataType> Parse(const char *&inout,
             uint64_t line = SyntaxError::LINE_NOT_SPECIFIED,
             const EXPRESS::ConversionSchema *schema = NULL);
-
-public:
 };
 
 typedef DataType SELECT;
@@ -238,7 +230,8 @@ private:
 };
 
 // -------------------------------------------------------------------------------
-/** Shared implementation for some of the primitive data type, i.e. int, float */
+/** Shared implementation for some of the primitive data type, i.e. int, float 
+ */
 // -------------------------------------------------------------------------------
 template <typename T>
 class PrimitiveDataType : public DataType {
@@ -247,7 +240,7 @@ public:
     // expose this data type to the user.
     typedef T Out;
 
-    PrimitiveDataType() {}
+    PrimitiveDataType() = default;
     PrimitiveDataType(const T &val) :
             val(val) {}
 
@@ -280,28 +273,18 @@ class ENUMERATION : public STRING {
 public:
     ENUMERATION(const std::string &val) :
             STRING(val) {}
-
-private:
 };
 
 typedef ENUMERATION BOOLEAN;
 
 // -------------------------------------------------------------------------------
-/** This is just a reference to an entity/object somewhere else */
+/** This is just a reference to an entity/object somewhere else 
+ */
 // -------------------------------------------------------------------------------
 class ENTITY : public PrimitiveDataType<uint64_t> {
 public:
-    ENTITY(uint64_t val) :
+    ENTITY(uint64_t val) : PrimitiveDataType<uint64_t>(val) {}
-            PrimitiveDataType<uint64_t>(val) {
+    ENTITY() : PrimitiveDataType<uint64_t>(TypeError::ENTITY_NOT_SPECIFIED) {}
-        ai_assert(val != 0);
-    }
-
-    ENTITY() :
-            PrimitiveDataType<uint64_t>(TypeError::ENTITY_NOT_SPECIFIED) {
-        // empty
-    }
-
-private:
 };
 
 // -------------------------------------------------------------------------------
@@ -319,7 +302,8 @@ public:
     }
 
 public:
-    /** @see DaraType::Parse */
+    /** @see DaraType::Parse 
+     */
     static std::shared_ptr<const EXPRESS::LIST> Parse(const char *&inout,
             uint64_t line = SyntaxError::LINE_NOT_SPECIFIED,
             const EXPRESS::ConversionSchema *schema = NULL);
@@ -331,29 +315,20 @@ private:
 
 class BINARY : public PrimitiveDataType<uint32_t> {
 public:
-    BINARY(uint32_t val) :
+    BINARY(uint32_t val) : PrimitiveDataType<uint32_t>(val) {}
-            PrimitiveDataType<uint32_t>(val) {
+    BINARY() : PrimitiveDataType<uint32_t>(TypeError::ENTITY_NOT_SPECIFIED_32) {}
-        // empty
-    }
-
-    BINARY() :
-            PrimitiveDataType<uint32_t>(TypeError::ENTITY_NOT_SPECIFIED_32) {
-        // empty
-    }
 };
 
 // -------------------------------------------------------------------------------
 /* Not exactly a full EXPRESS schema but rather a list of conversion functions
  * to extract valid C++ objects out of a STEP file. Those conversion functions
-         * may, however, perform further schema validations. */
+ * may, however, perform further schema validations. 
+ */
 // -------------------------------------------------------------------------------
 class ConversionSchema {
 public:
     struct SchemaEntry {
-        SchemaEntry(const char *name, ConvertObjectProc func) :
+        SchemaEntry(const char *name, ConvertObjectProc func) : mName(name), mFunc(func) {}
-                mName(name), mFunc(func) {
-            // empty
-        }
 
         const char *mName;
         ConvertObjectProc mFunc;
@@ -366,8 +341,7 @@ public:
         *this = schemas;
     }
 
-    ConversionSchema() {
+    ConversionSchema() = default;
-    }
 
     ConvertObjectProc GetConverterProc(const std::string &name) const {
         ConverterMap::const_iterator it = converters.find(name);
@@ -400,7 +374,8 @@ private:
 // ------------------------------------------------------------------------------
 /** Bundle all the relevant info from a STEP header, parts of which may later
  *  be plainly dumped to the logfile, whereas others may help the caller pick an
-     *  appropriate loading strategy.*/
+ *  appropriate loading strategy.
+ */
 // ------------------------------------------------------------------------------
 struct HeaderInfo {
     std::string timestamp;
@@ -409,18 +384,14 @@ struct HeaderInfo {
 };
 
 // ------------------------------------------------------------------------------
-/** Base class for all concrete object instances */
+/** Base class for all concrete object instances 
+ */
 // ------------------------------------------------------------------------------
 class Object {
 public:
-    Object(const char *classname = "unknown") :
+    Object(const char *classname = "unknown") : id(0), classname(classname) {}
-            id(0), classname(classname) {
-        // empty
-    }
 
-    virtual ~Object() {
+    virtual ~Object() = default;
-        // empty
-    }
 
     // utilities to simplify casting to concrete types
     template <typename T>
@@ -469,26 +440,15 @@ size_t GenericFill(const STEP::DB &db, const EXPRESS::LIST &params, T *in);
 // ------------------------------------------------------------------------------
 template <typename TDerived, size_t arg_count>
 struct ObjectHelper : virtual Object {
-    ObjectHelper() :
+    ObjectHelper() : aux_is_derived(0) {}
-            aux_is_derived(0) {
-        // empty
-    }
 
     static Object *Construct(const STEP::DB &db, const EXPRESS::LIST &params) {
         // make sure we don't leak if Fill() throws an exception
         std::unique_ptr<TDerived> impl(new TDerived());
 
         // GenericFill<T> is undefined so we need to have a specialization
-        const size_t num_args = GenericFill<TDerived>(db, params, &*impl);
+        static_cast<void>(GenericFill<TDerived>(db, params, &*impl));
-        (void)num_args;
 
-        // the following check is commented because it will always trigger if
-        // parts of the entities are generated with dummy wrapper code.
-        // This is currently done to reduce the size of the loader
-        // code.
-        //if (num_args != params.GetSize() && impl->GetClassName() != "NotImplemented") {
-        //  DefaultLogger::get()->debug("STEP: not all parameters consumed");
-        //}
         return impl.release();
     }
 
@@ -502,15 +462,9 @@ struct ObjectHelper : virtual Object {
 // ------------------------------------------------------------------------------
 template <typename T>
 struct Maybe {
-    Maybe() :
+    Maybe() : have() {}
-            have() {
-        // empty
-    }
 
-    explicit Maybe(const T &ptr) :
+    explicit Maybe(const T &ptr) : ptr(ptr), have(true) {}
-            ptr(ptr), have(true) {
-        // empty
-    }
 
     void flag_invalid() {
         have = false;
@@ -557,7 +511,8 @@ private:
 
 // ------------------------------------------------------------------------------
 /** A LazyObject is created when needed. Before this happens, we just keep
-       the text line that contains the object definition. */
+ *  the text line that contains the object definition. 
+ */
 // -------------------------------------------------------------------------------
 class LazyObject {
     friend class DB;
@@ -649,10 +604,7 @@ inline bool operator==(const std::pair<uint64_t, std::shared_ptr<LazyObject>> &l
 template <typename T>
 struct Lazy {
     typedef Lazy Out;
-    Lazy(const LazyObject *obj = nullptr) :
+    Lazy(const LazyObject *obj = nullptr) : obj(obj) {}
-            obj(obj) {
-        // empty
-    }
 
     operator const T *() const {
         return obj->ToPtr<T>();
@@ -786,7 +738,8 @@ inline void GenericConvert(ListOf<T1, N1, N2> &a, const std::shared_ptr<const EX
 // ------------------------------------------------------------------------------
 /** Lightweight manager class that holds the map of all objects in a
  *  STEP file. DB's are exclusively maintained by the functions in
-     *  STEPFileReader.h*/
+ *  STEPFileReader.h
+ */
 // -------------------------------------------------------------------------------
 class DB {
     friend DB *ReadFileHeader(std::shared_ptr<IOStream> stream);
@@ -873,7 +826,7 @@ public:
         if (it != objects_bytype.end() && (*it).second.size()) {
             return *(*it).second.begin();
         }
-        return NULL;
+        return nullptr;
     }
 
     // same, but raise an exception if the object doesn't exist and return a reference
@@ -965,7 +918,6 @@ private:
 #endif // _MSC_VER
 
 } // namespace STEP
-
 } // namespace Assimp
 
 #endif // INCLUDED_AI_STEPFILE_H

code/AssetLib/glTF2/glTF2Exporter.cpp

@@ -683,7 +683,7 @@ bool glTF2Exporter::GetMatSheen(const aiMaterial &mat, glTF2::MaterialSheen &she
     }
 
     // Default Sheen color factor {0,0,0} disables Sheen, so do not export
-    if (sheen.sheenColorFactor == defaultSheenFactor) {
+    if (sheen.sheenColorFactor[0] == defaultSheenFactor[0] && sheen.sheenColorFactor[1] == defaultSheenFactor[1] && sheen.sheenColorFactor[2] == defaultSheenFactor[2]) {
         return false;
     }
 

code/Common/DefaultIOStream.cpp

@@ -63,7 +63,7 @@ inline int select_fseek(FILE *file, int64_t offset, int origin) {
 
 
 
-#if defined _WIN64 && (!defined __GNUC__ || __MSVCRT_VERSION__ >= 0x0601)
+#if defined _WIN32 && (!defined __GNUC__ || !defined __CLANG__ && __MSVCRT_VERSION__ >= 0x0601)
 template <>
 inline size_t select_ftell<8>(FILE *file) {
     return (size_t)::_ftelli64(file);
@@ -74,7 +74,7 @@ inline int select_fseek<8>(FILE *file, int64_t offset, int origin) {
     return ::_fseeki64(file, offset, origin);
 }
 
-#endif // #if defined _WIN32 && (!defined __GNUC__ || __MSVCRT_VERSION__ >= 0x0601)
+#endif
 
 } // namespace
 
@@ -149,13 +149,20 @@ size_t DefaultIOStream::FileSize() const {
         //
         // See here for details:
         // https://www.securecoding.cert.org/confluence/display/seccode/FIO19-C.+Do+not+use+fseek()+and+ftell()+to+compute+the+size+of+a+regular+file
-#if defined _WIN64 && (!defined __GNUC__ || __MSVCRT_VERSION__ >= 0x0601)
+#if defined _WIN32 && (!defined __GNUC__ || !defined __CLANG__ && __MSVCRT_VERSION__ >= 0x0601)
         struct __stat64 fileStat;
         //using fileno + fstat avoids having to handle the filename
         int err = _fstat64(_fileno(mFile), &fileStat);
         if (0 != err)
             return 0;
         mCachedSize = (size_t)(fileStat.st_size);
+#elif defined _WIN32
+        struct _stat32 fileStat;
+        //using fileno + fstat avoids having to handle the filename
+        int err = _fstat32(_fileno(mFile), &fileStat);
+        if (0 != err)
+            return 0;
+        mCachedSize = (size_t)(fileStat.st_size);
 #elif defined __GNUC__ || defined __APPLE__ || defined __MACH__ || defined __FreeBSD__
         struct stat fileStat;
         int err = stat(mFilename.c_str(), &fileStat);

code/Common/ScenePreprocessor.cpp

@@ -105,7 +105,9 @@ void ScenePreprocessor::ProcessMesh(aiMesh *mesh) {
     for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
         if (!mesh->mTextureCoords[i]) {
             mesh->mNumUVComponents[i] = 0;
-        } else {
+            continue;
+        } 
+
         if (!mesh->mNumUVComponents[i]) {
             mesh->mNumUVComponents[i] = 2;
         }
@@ -116,8 +118,10 @@ void ScenePreprocessor::ProcessMesh(aiMesh *mesh) {
         // as if they were 2D channels .. just in case an application doesn't handle
         // this case
         if (2 == mesh->mNumUVComponents[i]) {
+            size_t num = 0;
             for (; p != end; ++p) {
                 p->z = 0.f;
+                num++;
             }
         } else if (1 == mesh->mNumUVComponents[i]) {
             for (; p != end; ++p) {
@@ -136,7 +140,6 @@ void ScenePreprocessor::ProcessMesh(aiMesh *mesh) {
             }
         }
     }
-    }
 
     // If the information which primitive types are there in the
     // mesh is currently not available, compute it.

code/Common/ZipArchiveIOSystem.cpp

@@ -196,7 +196,9 @@ zlib_filefunc_def IOSystem2Unzip::get(IOSystem *pIOHandler) {
     zlib_filefunc_def mapping;
 
     mapping.zopen_file = (open_file_func)open;
+#ifdef _UNZ_H
     mapping.zopendisk_file = (opendisk_file_func)opendisk;
+#endif
     mapping.zread_file = (read_file_func)read;
     mapping.zwrite_file = (write_file_func)write;
     mapping.ztell_file = (tell_file_func)tell;

code/PostProcessing/EmbedTexturesProcess.cpp

@@ -128,7 +128,7 @@ bool EmbedTexturesProcess::addTexture(aiScene *pScene, const std::string &path)
 
     aiTexel* imageContent = new aiTexel[ 1ul + static_cast<unsigned long>( imageSize ) / sizeof(aiTexel)];
     pFile->Seek(0, aiOrigin_SET);
-    pFile->Read(reinterpret_cast<char*>(imageContent), imageSize, 1);
+    pFile->Read(reinterpret_cast<char*>(imageContent), static_cast<size_t>(imageSize), 1);
     mIOHandler->Close(pFile);
 
     // Enlarging the textures table

code/res/assimp.rc

@@ -1,5 +1,9 @@
 #include "revision.h"
+#ifdef __GNUC__
+#include "winresrc.h"
+#else
 #include "winres.h"
+#endif
 
 LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 #pragma code_page(1252)

contrib/stb/stb_image.h

@@ -4941,7 +4941,7 @@ static int stbi__parse_png_file(stbi__png *z, int scan, int req_comp)
 {
    stbi_uc palette[1024], pal_img_n=0;
    stbi_uc has_trans=0, tc[3]={0};
-   stbi__uint16 tc16[3];
+   stbi__uint16 tc16[3]={0};
    stbi__uint32 ioff=0, idata_limit=0, i, pal_len=0;
    int first=1,k,interlace=0, color=0, is_iphone=0;
    stbi__context *s = z->s;

include/assimp/XmlParser.h

@@ -99,32 +99,165 @@ template <class TNodeType>
 class TXmlParser {
 public:
     /// @brief The default class constructor.
-    TXmlParser() :
+    TXmlParser();
+
+    ///	@brief  The class destructor.
+    ~TXmlParser();
+
+    ///	@brief  Will clear the parsed xml-file.
+    void clear();
+
+    ///	@brief  Will search for a child-node by its name
+    /// @param  name     [in] The name of the child-node.
+    /// @return The node instance or nullptr, if nothing was found.
+    TNodeType *findNode(const std::string &name);
+
+    /// @brief  Will return true, if the node is a child-node.
+    /// @param  name    [in] The name of the child node to look for.
+    /// @return true, if the node is a child-node or false if not.
+    bool hasNode(const std::string &name);
+
+    /// @brief  Will parse an xml-file from a given stream.
+    /// @param  stream      The input stream.
+    /// @return true, if the parsing was successful, false if not.
+    bool parse(IOStream *stream);
+
+    /// @brief  Will return true if a root node is there.
+    /// @return true in case of an existing root.
+    bool hasRoot() const;
+
+    /// @brief  Will return the document pointer, is nullptr if no xml-file was parsed.
+    /// @return The pointer showing to the document.
+    pugi::xml_document *getDocument() const;
+
+    /// @brief  Will return the root node, const version.
+    /// @return The root node.
+    const TNodeType getRootNode() const;
+
+    /// @brief  Will return the root node, non-const version.
+    /// @return The root node.
+    TNodeType getRootNode();
+
+    /// @brief Will check if a node with the given name is in.
+    /// @param node     [in] The node to look in.
+    /// @param name     [in] The name of the child-node.
+    /// @return true, if node was found, false if not.
+    static inline bool hasNode(XmlNode &node, const char *name);
+
+    /// @brief Will check if an attribute is part of the XmlNode.
+    /// @param xmlNode  [in] The node to search in.
+    /// @param name     [in} The attribute name to look for.
+    /// @return true, if the was found, false if not.
+    static inline bool hasAttribute(XmlNode &xmlNode, const char *name);
+
+    /// @brief Will try to get an unsigned int attribute value.
+    /// @param xmlNode  [in] The node to search in.
+    /// @param name     [in] The attribute name to look for.
+    /// @param val      [out] The unsigned int value from the attribute.
+    /// @return true, if the node contains an attribute with the given name and if the value is an unsigned int.
+    static inline bool getUIntAttribute(XmlNode &xmlNode, const char *name, unsigned int &val);
+
+    /// @brief Will try to get an int attribute value.
+    /// @param xmlNode  [in] The node to search in.
+    /// @param name     [in] The attribute name to look for.
+    /// @param val      [out] The int value from the attribute.
+    /// @return true, if the node contains an attribute with the given name and if the value is an int.
+    static inline bool getIntAttribute(XmlNode &xmlNode, const char *name, int &val);
+
+    /// @brief Will try to get a real attribute value.
+    /// @param xmlNode  [in] The node to search in.
+    /// @param name     [in] The attribute name to look for.
+    /// @param val      [out] The real value from the attribute.
+    /// @return true, if the node contains an attribute with the given name and if the value is a real.
+    static inline bool getRealAttribute(XmlNode &xmlNode, const char *name, ai_real &val);
+
+    /// @brief Will try to get a float attribute value.
+    /// @param xmlNode  [in] The node to search in.
+    /// @param name     [in] The attribute name to look for.
+    /// @param val      [out] The float value from the attribute.
+    /// @return true, if the node contains an attribute with the given name and if the value is a float.
+    static inline bool getFloatAttribute(XmlNode &xmlNode, const char *name, float &val);
+
+    /// @brief Will try to get a double attribute value.
+    /// @param xmlNode  [in] The node to search in.
+    /// @param name     [in] The attribute name to look for.
+    /// @param val      [out] The double value from the attribute.
+    /// @return true, if the node contains an attribute with the given name and if the value is a double.
+    static inline bool getDoubleAttribute(XmlNode &xmlNode, const char *name, double &val);
+
+    /// @brief Will try to get a std::string attribute value.
+    /// @param xmlNode  [in] The node to search in.
+    /// @param name     [in] The attribute name to look for.
+    /// @param val      [out] The std::string value from the attribute.
+    /// @return true, if the node contains an attribute with the given name and if the value is a std::string.
+    static inline bool getStdStrAttribute(XmlNode &xmlNode, const char *name, std::string &val);
+
+    /// @brief Will try to get a bool attribute value.
+    /// @param xmlNode  [in] The node to search in.
+    /// @param name     [in] The attribute name to look for.
+    /// @param val      [out] The bool value from the attribute.
+    /// @return true, if the node contains an attribute with the given name and if the value is a bool.
+    static inline bool getBoolAttribute(XmlNode &xmlNode, const char *name, bool &val);
+
+    /// @brief Will try to get the value of the node as a string.
+    /// @param node     [in] The node to search in.
+    /// @param text     [out] The value as a text.
+    /// @return true, if the value can be read out.
+    static inline bool getValueAsString(XmlNode &node, std::string &text);
+
+    /// @brief Will try to get the value of the node as a float.
+    /// @param node     [in] The node to search in.
+    /// @param text     [out] The value as a float.
+    /// @return true, if the value can be read out.
+    static inline bool getValueAsFloat(XmlNode &node, ai_real &v);
+
+    /// @brief Will try to get the value of the node as an integer.
+    /// @param node     [in] The node to search in.
+    /// @param text     [out] The value as a int.
+    /// @return true, if the value can be read out.
+    static inline bool getValueAsInt(XmlNode &node, int &v);
+
+    /// @brief Will try to get the value of the node as an bool.
+    /// @param node     [in] The node to search in.
+    /// @param text     [out] The value as a bool.
+    /// @return true, if the value can be read out.
+    static inline bool getValueAsBool(XmlNode &node, bool &v);
+
+private:
+    pugi::xml_document *mDoc;
+    TNodeType mCurrent;
+    std::vector<char> mData;
+};
+
+template <class TNodeType>
+inline TXmlParser<TNodeType>::TXmlParser() :
         mDoc(nullptr),
         mData() {
     // empty
 }
 
-    ///	@brief  The class destructor.
+template <class TNodeType>
-    ~TXmlParser() {
+inline TXmlParser<TNodeType>::~TXmlParser() {
     clear();
 }
 
-    ///	@brief  Will clear the parsed xml-file.
+template <class TNodeType>
-    void clear() {
+inline void TXmlParser<TNodeType>::clear() {
     if (mData.empty()) {
+        if (mDoc) {
+            delete mDoc;
+        }
         mDoc = nullptr;
         return;
     }
+
     mData.clear();
     delete mDoc;
     mDoc = nullptr;
 }
 
-    ///	@brief  Will search for a child-node by its name
+template <class TNodeType>
-    /// @param  name     [in] The name of the child-node.
+inline TNodeType *TXmlParser<TNodeType>::findNode(const std::string &name) {
-    /// @return The node instance or nullptr, if nothing was found.
-    TNodeType *findNode(const std::string &name) {
     if (name.empty()) {
         return nullptr;
     }
@@ -142,17 +275,17 @@ public:
     return &mCurrent;
 }
 
-    /// @brief  Will return true, if the node is a child-node.
+template <class TNodeType>
-    /// @param  name    [in] The name of the child node to look for.
+bool TXmlParser<TNodeType>::hasNode(const std::string &name) {
-    /// @return true, if the node is a child-node or false if not.
-    bool hasNode(const std::string &name) {
     return nullptr != findNode(name);
 }
 
-    /// @brief  Will parse an xml-file from a given stream.
+template <class TNodeType>
-    /// @param  stream      The input stream.
+bool TXmlParser<TNodeType>::parse(IOStream *stream) {
-    /// @return true, if the parsing was successful, false if not.
+    if (hasRoot()) {
-    bool parse(IOStream *stream) {
+        clear();
+    }
+
     if (nullptr == stream) {
         ASSIMP_LOG_DEBUG("Stream is nullptr.");
         return false;
@@ -174,20 +307,18 @@ public:
     return false;
 }
 
-    /// @brief  Will return truem if a root node is there.
+template <class TNodeType>
-    /// @return true in case of an existing root.
+bool TXmlParser<TNodeType>::hasRoot() const {
-    bool hasRoot() const {
     return nullptr != mDoc;
 }
-    /// @brief  Will return the document pointer, is nullptr if no xml-file was parsed.
+
-    /// @return The pointer showing to the document.
+template <class TNodeType>
-    pugi::xml_document *getDocument() const {
+pugi::xml_document *TXmlParser<TNodeType>::getDocument() const {
     return mDoc;
 }
 
-    /// @brief  Will return the root node, const version.
+template <class TNodeType>
-    /// @return The root node.
+const TNodeType TXmlParser<TNodeType>::getRootNode() const {
-    const TNodeType getRootNode() const {
     static pugi::xml_node none;
     if (nullptr == mDoc) {
         return none;
@@ -195,40 +326,30 @@ public:
     return mDoc->root();
 }
 
-    /// @brief  Will return the root node, non-const version.
+template <class TNodeType>
-    /// @return The root node.
+TNodeType TXmlParser<TNodeType>::getRootNode() {
-    TNodeType getRootNode() {
     static pugi::xml_node none;
     if (nullptr == mDoc) {
         return none;
     }
+
     return mDoc->root();
 }
 
-    /// @brief Will check if a node with the given name is in.
+template <class TNodeType>
-    /// @param node     [in] The node to look in.
+inline bool TXmlParser<TNodeType>::hasNode(XmlNode &node, const char *name) {
-    /// @param name     [in] The name of the child-node.
-    /// @return true, if node was found, false if not.
-    static inline bool hasNode(XmlNode &node, const char *name) {
     pugi::xml_node child = node.find_child(find_node_by_name_predicate(name));
     return !child.empty();
 }
 
-    /// @brief Will check if an attribute is part of the XmlNode.
+template <class TNodeType>
-    /// @param xmlNode  [in] The node to search in.
+inline bool TXmlParser<TNodeType>::hasAttribute(XmlNode &xmlNode, const char *name) {
-    /// @param name     [in} The attribute name to look for.
-    /// @return true, if the was found, false if not.
-    static inline bool hasAttribute(XmlNode &xmlNode, const char *name) {
     pugi::xml_attribute attr = xmlNode.attribute(name);
     return !attr.empty();
 }
 
-    /// @brief Will try to get an unsigned int attribute value.
+template <class TNodeType>
-    /// @param xmlNode  [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getUIntAttribute(XmlNode &xmlNode, const char *name, unsigned int &val) {
-    /// @param name     [in] The attribute name to look for.
-    /// @param val      [out] The unsigned int value from the attribute.
-    /// @return true, if the node contains an attribute with the given name and if the value is an unsigned int.
-    static inline bool getUIntAttribute(XmlNode &xmlNode, const char *name, unsigned int &val) {
     pugi::xml_attribute attr = xmlNode.attribute(name);
     if (attr.empty()) {
         return false;
@@ -238,12 +359,8 @@ public:
     return true;
 }
 
-    /// @brief Will try to get an int attribute value.
+template <class TNodeType>
-    /// @param xmlNode  [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getIntAttribute(XmlNode &xmlNode, const char *name, int &val) {
-    /// @param name     [in] The attribute name to look for.
-    /// @param val      [out] The int value from the attribute.
-    /// @return true, if the node contains an attribute with the given name and if the value is an int.
-    static inline bool getIntAttribute(XmlNode &xmlNode, const char *name, int &val) {
     pugi::xml_attribute attr = xmlNode.attribute(name);
     if (attr.empty()) {
         return false;
@@ -253,12 +370,8 @@ public:
     return true;
 }
 
-    /// @brief Will try to get a real attribute value.
+template <class TNodeType>
-    /// @param xmlNode  [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getRealAttribute(XmlNode &xmlNode, const char *name, ai_real &val) {
-    /// @param name     [in] The attribute name to look for.
-    /// @param val      [out] The real value from the attribute.
-    /// @return true, if the node contains an attribute with the given name and if the value is a real.
-    static inline bool getRealAttribute(XmlNode &xmlNode, const char *name, ai_real &val) {
     pugi::xml_attribute attr = xmlNode.attribute(name);
     if (attr.empty()) {
         return false;
@@ -271,71 +384,56 @@ public:
     return true;
 }
 
-    /// @brief Will try to get a float attribute value.
+template <class TNodeType>
-    /// @param xmlNode  [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getFloatAttribute(XmlNode &xmlNode, const char *name, float &val) {
-    /// @param name     [in] The attribute name to look for.
-    /// @param val      [out] The float value from the attribute.
-    /// @return true, if the node contains an attribute with the given name and if the value is a float.
-    static inline bool getFloatAttribute(XmlNode &xmlNode, const char *name, float &val) {
     pugi::xml_attribute attr = xmlNode.attribute(name);
     if (attr.empty()) {
         return false;
     }
 
     val = attr.as_float();
+
     return true;
 }
 
-    /// @brief Will try to get a double attribute value.
+template <class TNodeType>
-    /// @param xmlNode  [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getDoubleAttribute(XmlNode &xmlNode, const char *name, double &val) {
-    /// @param name     [in] The attribute name to look for.
-    /// @param val      [out] The double value from the attribute.
-    /// @return true, if the node contains an attribute with the given name and if the value is a double.
-    static inline bool getDoubleAttribute(XmlNode &xmlNode, const char *name, double &val) {
     pugi::xml_attribute attr = xmlNode.attribute(name);
     if (attr.empty()) {
         return false;
     }
 
     val = attr.as_double();
+
     return true;
 }
 
-    /// @brief Will try to get a std::string attribute value.
+template <class TNodeType>
-    /// @param xmlNode  [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getStdStrAttribute(XmlNode &xmlNode, const char *name, std::string &val) {
-    /// @param name     [in] The attribute name to look for.
-    /// @param val      [out] The std::string value from the attribute.
-    /// @return true, if the node contains an attribute with the given name and if the value is a std::string.
-    static inline bool getStdStrAttribute(XmlNode &xmlNode, const char *name, std::string &val) {
     pugi::xml_attribute attr = xmlNode.attribute(name);
     if (attr.empty()) {
         return false;
     }
 
     val = attr.as_string();
+
     return true;
 }
 
-    /// @brief Will try to get a bool attribute value.
+template <class TNodeType>
-    /// @param xmlNode  [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getBoolAttribute(XmlNode &xmlNode, const char *name, bool &val) {
-    /// @param name     [in] The attribute name to look for.
-    /// @param val      [out] The bool value from the attribute.
-    /// @return true, if the node contains an attribute with the given name and if the value is a bool.
-    static inline bool getBoolAttribute(XmlNode &xmlNode, const char *name, bool &val) {
     pugi::xml_attribute attr = xmlNode.attribute(name);
     if (attr.empty()) {
         return false;
     }
 
     val = attr.as_bool();
+
     return true;
 }
 
-    /// @brief Will try to get the value of the node as a string.
+template <class TNodeType>
-    /// @param node     [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getValueAsString(XmlNode &node, std::string &text) {
-    /// @param text     [out] The value as a text.
-    /// @return true, if the value can be read out.
-    static inline bool getValueAsString(XmlNode &node, std::string &text) {
     text = std::string();
     if (node.empty()) {
         return false;
@@ -346,11 +444,8 @@ public:
     return true;
 }
 
-    /// @brief Will try to get the value of the node as a float.
+template <class TNodeType>
-    /// @param node     [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getValueAsFloat(XmlNode &node, ai_real &v) {
-    /// @param text     [out] The value as a float.
-    /// @return true, if the value can be read out.
-    static inline bool getValueAsFloat(XmlNode &node, ai_real &v) {
     if (node.empty()) {
         return false;
     }
@@ -360,11 +455,8 @@ public:
     return true;
 }
 
-    /// @brief Will try to get the value of the node as an integer.
+template <class TNodeType>
-    /// @param node     [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getValueAsInt(XmlNode &node, int &v) {
-    /// @param text     [out] The value as a int.
-    /// @return true, if the value can be read out.
-    static inline bool getValueAsInt(XmlNode &node, int &v) {
     if (node.empty()) {
         return false;
     }
@@ -374,12 +466,8 @@ public:
     return true;
 }
 
-    /// @brief Will try to get the value of the node as an bool.
+template <class TNodeType>
-    /// @param node     [in] The node to search in.
+inline bool TXmlParser<TNodeType>::getValueAsBool(XmlNode &node, bool &v) {
-    /// @param text     [out] The value as a bool.
-    /// @return true, if the value can be read out.
-    static inline bool getValueAsBool(XmlNode& node, bool& v)
-    {
     if (node.empty()) {
         return false;
     }
@@ -389,12 +477,6 @@ public:
     return true;
 }
 
-private:
-    pugi::xml_document *mDoc;
-    TNodeType mCurrent;
-    std::vector<char> mData;
-};
-
 using XmlParser = TXmlParser<pugi::xml_node>;
 
 ///	@brief  This class declares an iterator to loop through all children of the root node.
@@ -419,10 +501,8 @@ public:
         }
     }
 
-    ///	@brief  The class destructor.
+    ///	@brief  The class destructor, default implementation.
-    ~XmlNodeIterator() {
+    ~XmlNodeIterator() = default;
-        // empty
-    }
 
     ///	@brief  Will iterate through all children in pre-order iteration.
     /// @param  node    [in] The nod to iterate through.

test/models/Collada/box_nested_animation.dae

@@ -0,0 +1,196 @@
+<?xml version="1.0" encoding="utf-8"?>
+<COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <asset>
+    <contributor>
+      <author>Blender User</author>
+      <authoring_tool>Blender 2.80.40 commit date:2019-01-07, commit time:23:37, hash:91a155833e59</authoring_tool>
+    </contributor>
+    <created>2019-01-08T17:44:11</created>
+    <modified>2019-01-08T17:44:11</modified>
+    <unit name="meter" meter="1"/>
+    <up_axis>Z_UP</up_axis>
+  </asset>
+  <library_effects>
+    <effect id="Material-effect">
+      <profile_COMMON>
+        <technique sid="common">
+          <lambert>
+            <diffuse>
+              <color sid="diffuse">0.8 0.8 0.8 1</color>
+            </diffuse>
+            <specular>
+              <color sid="specular">0 0.5 0 1</color>
+            </specular>
+          </lambert>
+        </technique>
+      </profile_COMMON>
+    </effect>
+  </library_effects>
+  <library_images/>
+  <library_materials>
+    <material id="Material-material" name="Material">
+      <instance_effect url="#Material-effect"/>
+    </material>
+  </library_materials>
+  <library_geometries>
+    <geometry id="Cube-mesh" name="Cube">
+      <mesh>
+        <source id="Cube-mesh-positions">
+          <float_array id="Cube-mesh-positions-array" count="24">1 1 1 1 1 -1 1 -1 1 1 -1 -1 -1 1 1 -1 1 -1 -1 -1 1 -1 -1 -1</float_array>
+          <technique_common>
+            <accessor source="#Cube-mesh-positions-array" count="8" stride="3">
+              <param name="X" type="float"/>
+              <param name="Y" type="float"/>
+              <param name="Z" type="float"/>
+            </accessor>
+          </technique_common>
+        </source>
+        <source id="Cube-mesh-normals">
+          <float_array id="Cube-mesh-normals-array" count="18">0 0 1 0 -1 0 -1 0 0 0 0 -1 1 0 0 0 1 0</float_array>
+          <technique_common>
+            <accessor source="#Cube-mesh-normals-array" count="6" stride="3">
+              <param name="X" type="float"/>
+              <param name="Y" type="float"/>
+              <param name="Z" type="float"/>
+            </accessor>
+          </technique_common>
+        </source>
+        <source id="Cube-mesh-map-0">
+          <float_array id="Cube-mesh-map-0-array" count="72">0.625 0 0.375 0.25 0.375 0 0.625 0.25 0.375 0.5 0.375 0.25 0.625 0.5 0.375 0.75 0.375 0.5 0.625 0.75 0.375 1 0.375 0.75 0.375 0.5 0.125 0.75 0.125 0.5 0.875 0.5 0.625 0.75 0.625 0.5 0.625 0 0.625 0.25 0.375 0.25 0.625 0.25 0.625 0.5 0.375 0.5 0.625 0.5 0.625 0.75 0.375 0.75 0.625 0.75 0.625 1 0.375 1 0.375 0.5 0.375 0.75 0.125 0.75 0.875 0.5 0.875 0.75 0.625 0.75</float_array>
+          <technique_common>
+            <accessor source="#Cube-mesh-map-0-array" count="36" stride="2">
+              <param name="S" type="float"/>
+              <param name="T" type="float"/>
+            </accessor>
+          </technique_common>
+        </source>
+        <vertices id="Cube-mesh-vertices">
+          <input semantic="POSITION" source="#Cube-mesh-positions"/>
+        </vertices>
+        <polylist material="Material-material" count="12">
+          <input semantic="VERTEX" source="#Cube-mesh-vertices" offset="0"/>
+          <input semantic="NORMAL" source="#Cube-mesh-normals" offset="1"/>
+          <input semantic="TEXCOORD" source="#Cube-mesh-map-0" offset="2" set="1"/>
+          <vcount>3 3 3 3 3 3 3 3 3 3 3 3 </vcount>
+          <p>4 0 0 2 0 1 0 0 2 2 1 3 7 1 4 3 1 5 6 2 6 5 2 7 7 2 8 1 3 9 7 3 10 5 3 11 0 4 12 3 4 13 1 4 14 4 5 15 1 5 16 5 5 17 4 0 18 6 0 19 2 0 20 2 1 21 6 1 22 7 1 23 6 2 24 4 2 25 5 2 26 1 3 27 3 3 28 7 3 29 0 4 30 2 4 31 3 4 32 4 5 33 0 5 34 1 5 35</p>
+        </polylist>
+      </mesh>
+    </geometry>
+  </library_geometries>
+  <library_controllers>
+    <controller id="Armature_Cube-skin" name="Armature">
+      <skin source="#Cube-mesh">
+        <bind_shape_matrix>1 0 0 -1 0 1 0 1 0 0 1 1 0 0 0 1</bind_shape_matrix>
+        <source id="Armature_Cube-skin-joints">
+          <Name_array id="Armature_Cube-skin-joints-array" count="1">Bone</Name_array>
+          <technique_common>
+            <accessor source="#Armature_Cube-skin-joints-array" count="1" stride="1">
+              <param name="JOINT" type="name"/>
+            </accessor>
+          </technique_common>
+        </source>
+        <source id="Armature_Cube-skin-bind_poses">
+          <float_array id="Armature_Cube-skin-bind_poses-array" count="16">0.7886752 0.2113248 0.5773504 -0.5773504 -0.5773503 0.5773503 0.5773503 1.154701 -0.2113249 -0.7886752 0.5773503 -0.5773502 0 0 0 1</float_array>
+          <technique_common>
+            <accessor source="#Armature_Cube-skin-bind_poses-array" count="1" stride="16">
+              <param name="TRANSFORM" type="float4x4"/>
+            </accessor>
+          </technique_common>
+        </source>
+        <source id="Armature_Cube-skin-weights">
+          <float_array id="Armature_Cube-skin-weights-array" count="8">1 1 1 1 1 1 1 1</float_array>
+          <technique_common>
+            <accessor source="#Armature_Cube-skin-weights-array" count="8" stride="1">
+              <param name="WEIGHT" type="float"/>
+            </accessor>
+          </technique_common>
+        </source>
+        <joints>
+          <input semantic="JOINT" source="#Armature_Cube-skin-joints"/>
+          <input semantic="INV_BIND_MATRIX" source="#Armature_Cube-skin-bind_poses"/>
+        </joints>
+        <vertex_weights count="8">
+          <input semantic="JOINT" source="#Armature_Cube-skin-joints" offset="0"/>
+          <input semantic="WEIGHT" source="#Armature_Cube-skin-weights" offset="1"/>
+          <vcount>1 1 1 1 1 1 1 1 </vcount>
+          <v>0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7</v>
+        </vertex_weights>
+      </skin>
+    </controller>
+  </library_controllers>
+  <library_animations>
+    <animation id="action_container-Armature" name="Armature">
+      <animation id="Armature_ArmatureAction_transform" name="Armature">
+        <source id="Armature_ArmatureAction_transform-input">
+          <float_array id="Armature_ArmatureAction_transform-input-array" count="40">0.04166662 0.08333331 0.125 0.1666666 0.2083333 0.25 0.2916666 0.3333333 0.375 0.4166666 0.4583333 0.5 0.5416667 0.5833333 0.625 0.6666667 0.7083333 0.75 0.7916667 0.8333333 0.875 0.9166667 0.9583333 1 1.041667 1.083333 1.125 1.166667 1.208333 1.25 1.291667 1.333333 1.375 1.416667 1.458333 1.5 1.541667 1.583333 1.625 1.666667</float_array>
+          <technique_common>
+            <accessor source="#Armature_ArmatureAction_transform-input-array" count="40" stride="1">
+              <param name="TIME" type="float"/>
+            </accessor>
+          </technique_common>
+        </source>
+        <source id="Armature_ArmatureAction_transform-output">
+          <float_array id="Armature_ArmatureAction_transform-output-array" count="640">1 0 0 1 0 1 0 -1 0 0 1 0 0 0 0 1 0.9999878 3.10816e-5 0.004935208 1 0 0.9999802 -0.006297799 -1 -0.004935306 0.006297722 0.999968 0 0 0 0 1 0.999819 4.61727e-4 0.01901668 1 0 0.9997054 -0.02427293 -1 -0.01902229 0.02426853 0.9995245 0 0 0 0 1 0.9991519 0.002163141 0.04111904 1 0 0.9986191 -0.05253414 -1 -0.04117589 0.05248959 0.9977722 0 0 0 0 1 0.9975264 0.006301912 0.07000974 1 0 0.9959731 -0.08965231 -1 -0.0702928 0.08943056 0.9935095 0 0 0 0 1 0.9944467 0.01411698 0.1042901 1 0 0.9909625 -0.1341392 -1 -0.1052413 0.1333943 0.9854594 0 0 0 0 1 0.9894527 0.02671701 0.1423712 1 0 0.9828442 -0.184438 -1 -0.1448563 0.1824927 0.9724778 0 0 0 0 1 0.9821799 0.04490547 0.1825 1 0 0.9710366 -0.2389307 -1 -0.1879434 0.234673 0.9537326 0 0 0 0 1 0.9724072 0.06904543 0.2228386 1 0 0.9551992 -0.2959637 -1 -0.2332902 0.2877972 0.9288425 0 0 0 0 1 0.9600915 0.09897761 0.261587 1 0 0.9352878 -0.3538882 -1 -0.2796861 0.339765 0.8979618 0 0 0 0 1 0.9453882 0.1340003 0.2971281 1 0 0.9115852 -0.4111113 -1 -0.3259466 0.3886598 0.8618018 0 0 0 0 1 0.9286572 0.1729132 0.328172 1 0 0.8847058 -0.4661497 -1 -0.3709391 0.4328933 0.8215885 0 0 0 0 1 0.9104556 0.2141147 0.3538722 1 0 0.8555763 -0.5176768 -1 -0.4136069 0.4713217 0.7789642 0 0 0 0 1 0.8915175 0.2557371 0.3738919 1 0 0.8253933 -0.5645581 -1 -0.4529863 0.5033134 0.7358525 0 0 0 0 1 0.8727233 0.2957927 0.388408 1 0 0.7955672 -0.6058654 -1 -0.4882152 0.5287529 0.6943099 0 0 0 0 1 0.8550603 0.332307 0.3980502 1 0 0.7676533 -0.6408653 -1 -0.5185286 0.5479785 0.6563899 0 0 0 0 1 0.8395769 0.3634188 0.4037789 1 0 0.7432778 -0.6689829 -1 -0.5432408 0.5616626 0.6240388 0 0 0 0 1 0.8273312 0.3874339 0.4067161 1 0 0.7240622 -0.6897347 -1 -0.5617144 0.5706391 0.5990393 0 0 0 0 1 0.8193359 0.4028329 0.4079393 1 0 0.7115462 -0.7026393 -1 -0.5733138 0.5756976 0.5829953 0 0 0 0 1 0.8164964 0.4082482 0.4082486 1 7.75722e-8 0.707107 -0.7071065 -1 -0.5773504 0.57735 0.5773503 0 0 0 0 1 0.8190646 0.4033515 0.4079717 1 7.78161e-8 0.7111219 -0.7030687 -1 -0.5737014 0.5758587 0.5824547 0 0 0 0 1 0.8263245 0.3893851 0.4068995 1 7.85059e-8 0.7224849 -0.6913868 -1 -0.5631944 0.5713098 0.5970069 0 0 0 0 1 0.8375081 0.3675125 0.4043696 1 7.95684e-8 0.7400277 -0.6725764 -1 -0.5464249 0.5632883 0.6197791 0 0 0 0 1 0.8517552 0.3390183 0.3994742 1 8.0922e-8 0.7624427 -0.6470557 -1 -0.5239399 0.5511332 0.6494145 0 0 0 0 1 0.8681612 0.3053284 0.3912425 1 8.24806e-8 0.7883466 -0.6152314 -1 -0.4962822 0.5341201 0.6844119 0 0 0 0 1 0.8858209 0.2680094 0.3788038 1 8.41584e-8 0.8163394 -0.5775725 -1 -0.4640273 0.5116258 0.7231305 0 0 0 0 1 0.9038687 0.2287352 0.3615268 1 8.58731e-8 0.8450637 -0.5346656 -1 -0.42781 0.4832675 0.7638266 0 0 0 0 1 0.9215156 0.1892192 0.339124 1 8.75496e-8 0.8732626 -0.4872499 -1 -0.3883413 0.4490085 0.8047251 0 0 0 0 1 0.9380813 0.1511175 0.3117163 1 8.91235e-8 0.899834 -0.4362323 -1 -0.3464153 0.4092214 0.8441175 0 0 0 0 1 0.9530206 0.1159168 0.2798482 1 9.05428e-8 0.9238796 -0.3826832 -1 -0.3029055 0.3647051 0.8804763 0 0 0 0 1 0.965943 0.08482374 0.2444564 1 9.17705e-8 0.9447417 -0.3278156 -1 -0.2587547 0.3166512 0.9125667 0 0 0 0 1 0.9766233 0.05867312 0.2067956 1 9.27852e-8 0.9620277 -0.2729518 -1 -0.2149581 0.2665711 0.9395387 0 0 0 0 1 0.9850019 0.03787052 0.1683363 1 9.35812e-8 0.975616 -0.2194843 -1 -0.1725436 0.2161924 0.9609836 0 0 0 0 1 0.991176 0.02237916 0.1306496 1 9.41678e-8 0.9856446 -0.1688333 -1 -0.1325524 0.1673435 0.9769473 0 0 0 0 1 0.9953793 0.01175384 0.09529842 1 9.45671e-8 0.9924796 -0.1224106 -1 -0.09602053 0.121845 0.9878936 0 0 0 0 1 0.997952 0.005218936 0.06375288 1 9.48115e-8 0.996666 -0.08159051 -1 -0.06396614 0.08142342 0.9946249 0 0 0 0 1 0.9993011 0.001782816 0.03733916 1 9.49397e-8 0.998862 -0.04769476 -1 -0.0373817 0.04766143 0.9981638 0 0 0 0 1 0.9998515 3.78837e-4 0.01722835 1 9.4992e-8 0.9997582 -0.02198936 -1 -0.01723252 0.0219861 0.9996098 0 0 0 0 1 0.99999 2.53135e-5 0.004462156 1 9.50052e-8 0.9999838 -0.00569412 -1 -0.004462227 0.005694063 0.9999738 0 0 0 0 1 1 0 0 2 0 1 0 -1 0 0 1 0 0 0 0 1</float_array>
+          <technique_common>
+            <accessor source="#Armature_ArmatureAction_transform-output-array" count="40" stride="16">
+              <param name="TRANSFORM" type="float4x4"/>
+            </accessor>
+          </technique_common>
+        </source>
+        <source id="Armature_ArmatureAction_transform-interpolation">
+          <Name_array id="Armature_ArmatureAction_transform-interpolation-array" count="40">LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR</Name_array>
+          <technique_common>
+            <accessor source="#Armature_ArmatureAction_transform-interpolation-array" count="40" stride="1">
+              <param name="INTERPOLATION" type="name"/>
+            </accessor>
+          </technique_common>
+        </source>
+        <sampler id="Armature_ArmatureAction_transform-sampler">
+          <input semantic="INPUT" source="#Armature_ArmatureAction_transform-input"/>
+          <input semantic="OUTPUT" source="#Armature_ArmatureAction_transform-output"/>
+          <input semantic="INTERPOLATION" source="#Armature_ArmatureAction_transform-interpolation"/>
+        </sampler>
+        <channel source="#Armature_ArmatureAction_transform-sampler" target="Armature_Bone/transform"/>
+      </animation>
+    </animation>
+  </library_animations>
+  <library_visual_scenes>
+    <visual_scene id="Scene" name="Scene">
+      <node id="Armature" name="Armature" type="NODE">
+        <matrix sid="transform">1 0 0 1 0 1 0 -1 0 0 1 0 0 0 0 1</matrix>
+        <node id="Armature_Bone" name="Bone" sid="Bone" type="JOINT">
+          <matrix sid="transform">0.7886751 -0.5773503 -0.211325 0 0.2113248 0.5773503 -0.7886751 0 0.5773503 0.5773503 0.5773502 0 0 0 0 1</matrix>
+          <extra>
+            <technique profile="blender">
+              <layer sid="layer" type="string">0</layer>
+              <roll sid="roll" type="float">-0.5235989</roll>
+              <tip_x sid="tip_x" type="float">-2</tip_x>
+              <tip_y sid="tip_y" type="float">2</tip_y>
+              <tip_z sid="tip_z" type="float">2</tip_z>
+            </technique>
+          </extra>
+        </node>
+        <node id="Cube" name="Cube" type="NODE">
+          <translate sid="location">0 0 0</translate>
+          <rotate sid="rotationZ">0 0 1 0</rotate>
+          <rotate sid="rotationY">0 1 0 0</rotate>
+          <rotate sid="rotationX">1 0 0 0</rotate>
+          <scale sid="scale">1 1 1</scale>
+          <instance_controller url="#Armature_Cube-skin">
+            <skeleton>#Armature_Bone</skeleton>
+            <bind_material>
+              <technique_common>
+                <instance_material symbol="Material-material" target="#Material-material">
+                  <bind_vertex_input semantic="UVMap" input_semantic="TEXCOORD" input_set="0"/>
+                </instance_material>
+              </technique_common>
+            </bind_material>
+          </instance_controller>
+        </node>
+      </node>
+    </visual_scene>
+  </library_visual_scenes>
+  <scene>
+    <instance_visual_scene url="#Scene"/>
+  </scene>
+</COLLADA>

test/unit/utColladaImportExport.cpp

@@ -69,6 +69,7 @@ public:
 
     virtual bool importerTest() final {
         Assimp::Importer importer;
+        {
           const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/duck.dae", aiProcess_ValidateDataStructure);
           if (scene == nullptr)
               return false;
@@ -94,6 +95,18 @@ public:
 
           EXPECT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_COPYRIGHT, value)) << "No copyright metadata";
           EXPECT_EQ(strncmp(value.C_Str(), "Copyright 2006", 14), 0) << "AI_METADATA_SOURCE_COPYRIGHT was: " << value.C_Str();
+        }
+
+        {
+          const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/box_nested_animation.dae", aiProcess_ValidateDataStructure);
+          if (scene == nullptr)
+              return false;
+
+          // Expect only one animation with the correct name
+          EXPECT_EQ(scene->mNumAnimations, 1u);
+          EXPECT_EQ(std::string(scene->mAnimations[0]->mName.C_Str()), std::string("Armature"));
+
+        }
 
         return true;
     }

test/unit/utOpenGEXImportExport.cpp

@@ -40,6 +40,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 #include "AbstractImportExportBase.h"
+
+#include <assimp/scene.h>
 #include "UnitTestPCH.h"
 
 #include <assimp/Importer.hpp>
@@ -51,11 +53,12 @@ public:
     bool importerTest() override {
         Assimp::Importer importer;
         const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/OpenGEX/Example.ogex", 0);
+        EXPECT_EQ(1u, scene->mNumMeshes);
         return nullptr != scene;
     }
 };
 
-TEST_F(utOpenGEXImportExport, importLWSFromFileTest) {
+TEST_F(utOpenGEXImportExport, importOpenGexFromFileTest) {
     EXPECT_TRUE(importerTest());
 }