Merge branch 'master' into update_draco

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,8 +1,8 @@
 ---
 name: Bug report
 about: Create a report to help us improve
-title: ''
+title: 'Bug:'
-labels: ''
+labels: 'Bug'
 assignees: ''
 
 ---
@@ -23,16 +23,10 @@ A clear and concise description of what you expected to happen.
 **Screenshots**
 If applicable, add screenshots to help explain your problem.
 
-**Desktop (please complete the following information):**
+**Platform (please complete the following information):**
  - OS: [e.g. iOS]
  - Browser [e.g. chrome, safari]
  - Version [e.g. 22]
 
-**Smartphone (please complete the following information):**
- - Device: [e.g. iPhone6]
- - OS: [e.g. iOS8.1]
- - Browser [e.g. stock browser, safari]
- - Version [e.g. 22]
-
 **Additional context**
 Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,7 +2,7 @@
 name: Feature request
 about: Suggest an idea for this project
 title: ''
-labels: ''
+labels: 'Feature-Request'
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/tech_debt.md

@@ -0,0 +1,25 @@
+---
+name: Technical debt
+about: Create a report to help us to fix and detect tech debts
+title: ''
+labels: 'Techdebt'
+assignees: ''
+
+---
+
+**Describe the technical debt**
+A clear and concise description of what the tech debt is about.
+
+**Better solution**
+A clear and concise description of what you would expect.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.

CMakeLists.txt

@@ -268,6 +268,8 @@ ELSEIF(MSVC)
     ADD_COMPILE_OPTIONS(/wd4351)
   ENDIF()
   SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /D_DEBUG /Zi /Od")
+  SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Zi")
+  SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG:FULL /PDBALTPATH:%_PDB% /OPT:REF /OPT:ICF")
 ELSEIF (CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
   IF(NOT ASSIMP_HUNTER_ENABLED)
     SET(CMAKE_CXX_STANDARD 11)
@@ -334,9 +336,9 @@ INCLUDE (FindPkgMacros)
 INCLUDE (PrecompiledHeader)
 
 # Set Assimp project output directory variables.
-SET(ASSIMP_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
+SET(ASSIMP_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin" CACHE STRING "Path for runtime output files")
-SET(ASSIMP_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
+SET(ASSIMP_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin" CACHE STRING "Path for library output files")
-SET(ASSIMP_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib")
+SET(ASSIMP_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib" CACHE STRING "Path for archive output files")
 
 # Macro used to set the output directories of a target to the
 # respective Assimp output directories.

Readme.md

@@ -42,7 +42,7 @@ Take a look into the https://github.com/assimp/assimp/blob/master/Build.md file.
 * [.NET](https://bitbucket.org/Starnick/assimpnet/src/master/)
 * [Pascal](port/AssimpPascal/Readme.md)
 * [Javascript (Alpha)](https://github.com/makc/assimp2json)
-* [Unity 3d Plugin](https://www.assetstore.unity3d.com/en/#!/content/91777)
+* [Unity 3d Plugin](https://ricardoreis.net/trilib-2/)
 * [JVM](https://github.com/kotlin-graphics/assimp) Full jvm port (current [status](https://github.com/kotlin-graphics/assimp/wiki/Status))
 * [HAXE-Port](https://github.com/longde123/assimp-haxe) The Assimp-HAXE-port.
 * [Rust](https://github.com/jkvargas/russimp)

code/AssetLib/Assxml/AssxmlFileWriter.cpp

@@ -598,8 +598,11 @@ static void WriteDump(const char *pFile, const char *cmd, const aiScene *scene,
                 if (!mesh->mTextureCoords[a])
                     break;
 
-                ioprintf(io, "\t\t<TextureCoords num=\"%u\" set=\"%u\" num_components=\"%u\"> \n", mesh->mNumVertices,
+                ioprintf(io, "\t\t<TextureCoords num=\"%u\" set=\"%u\" name=\"%s\" num_components=\"%u\"> \n",
-                        a, mesh->mNumUVComponents[a]);
+                         mesh->mNumVertices,
+                         a,
+                         mesh->mTextureCoordsNames[a].C_Str(),
+                         mesh->mNumUVComponents[a]);
 
                 if (!shortened) {
                     if (mesh->mNumUVComponents[a] == 3) {

code/AssetLib/DXF/DXFLoader.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2021, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -63,11 +61,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 using namespace Assimp;
 
 // AutoCAD Binary DXF<CR><LF><SUB><NULL>
-const std::string AI_DXF_BINARY_IDENT = std::string("AutoCAD Binary DXF\r\n\x1a\0");
+static constexpr char AI_DXF_BINARY_IDENT[] = "AutoCAD Binary DXF\r\n\x1a";
-const size_t AI_DXF_BINARY_IDENT_LEN = 24u;
+static constexpr size_t AI_DXF_BINARY_IDENT_LEN = sizeof AI_DXF_BINARY_IDENT;
 
 // default vertex color that all uncolored vertices will receive
-const aiColor4D AI_DXF_DEFAULT_COLOR(aiColor4D(0.6f, 0.6f, 0.6f, 0.6f));
+static const aiColor4D AI_DXF_DEFAULT_COLOR(aiColor4D(0.6f, 0.6f, 0.6f, 0.6f));
 
 // color indices for DXF - 16 are supported, the table is
 // taken directly from the DXF spec.
@@ -156,10 +154,10 @@ void DXFImporter::InternReadFile( const std::string& filename, aiScene* pScene,
     }
 
     // Check whether this is a binary DXF file - we can't read binary DXF files :-(
-    char buff[AI_DXF_BINARY_IDENT_LEN+1] = {0};
+    char buff[AI_DXF_BINARY_IDENT_LEN] = {0};
     file->Read(buff,AI_DXF_BINARY_IDENT_LEN,1);
 
-    if (0 == strncmp(AI_DXF_BINARY_IDENT.c_str(),buff,AI_DXF_BINARY_IDENT_LEN)) {
+    if (0 == memcmp(AI_DXF_BINARY_IDENT,buff,AI_DXF_BINARY_IDENT_LEN)) {
         throw DeadlyImportError("DXF: Binary files are not supported at the moment");
     }
 

code/AssetLib/FBX/FBXConverter.cpp

@@ -1126,6 +1126,8 @@ unsigned int FBXConverter::ConvertMeshSingleMaterial(const MeshGeometry &mesh, c
             *out_uv++ = aiVector3D(v.x, v.y, 0.0f);
         }
 
+        out_mesh->mTextureCoordsNames[i] = mesh.GetTextureCoordChannelName(i);
+
         out_mesh->mNumUVComponents[i] = 2;
     }
 
@@ -2126,6 +2128,11 @@ void FBXConverter::SetShadingPropertiesCommon(aiMaterial *out_mat, const Propert
     const aiColor3D &Emissive = GetColorPropertyFromMaterial(props, "Emissive", ok);
     if (ok) {
         out_mat->AddProperty(&Emissive, 1, AI_MATKEY_COLOR_EMISSIVE);
+    } else {
+        const aiColor3D &emissiveColor = GetColorPropertyFromMaterial(props, "Maya|emissive", ok);
+        if (ok) {
+            out_mat->AddProperty(&emissiveColor, 1, AI_MATKEY_COLOR_EMISSIVE);
+        }
      }
 
     const aiColor3D &Ambient = GetColorPropertyFromMaterial(props, "Ambient", ok);
@@ -2207,6 +2214,52 @@ void FBXConverter::SetShadingPropertiesCommon(aiMaterial *out_mat, const Propert
     if (ok) {
         out_mat->AddProperty(&DispFactor, 1, "$mat.displacementscaling", 0, 0);
     }
+
+    // PBR material information
+    const aiColor3D &baseColor = GetColorPropertyFromMaterial(props, "Maya|base_color", ok);
+    if (ok) {
+        out_mat->AddProperty(&baseColor, 1, AI_MATKEY_BASE_COLOR);
+    }
+
+    const float useColorMap = PropertyGet<float>(props, "Maya|use_color_map", ok);
+    if (ok) {
+        out_mat->AddProperty(&useColorMap, 1, AI_MATKEY_USE_COLOR_MAP);
+    }
+
+    const float useMetallicMap = PropertyGet<float>(props, "Maya|use_metallic_map", ok);
+    if (ok) {
+        out_mat->AddProperty(&useMetallicMap, 1, AI_MATKEY_USE_METALLIC_MAP);
+    }
+
+    const float metallicFactor = PropertyGet<float>(props, "Maya|metallic", ok);
+    if (ok) {
+        out_mat->AddProperty(&metallicFactor, 1, AI_MATKEY_METALLIC_FACTOR);
+    }
+
+    const float useRoughnessMap = PropertyGet<float>(props, "Maya|use_roughness_map", ok);
+    if (ok) {
+        out_mat->AddProperty(&useRoughnessMap, 1, AI_MATKEY_USE_ROUGHNESS_MAP);
+    }
+
+    const float roughnessFactor = PropertyGet<float>(props, "Maya|roughness", ok);
+    if (ok) {
+        out_mat->AddProperty(&roughnessFactor, 1, AI_MATKEY_ROUGHNESS_FACTOR);
+    }
+
+    const float useEmissiveMap = PropertyGet<float>(props, "Maya|use_emissive_map", ok);
+    if (ok) {
+        out_mat->AddProperty(&useEmissiveMap, 1, AI_MATKEY_USE_EMISSIVE_MAP);
+    }
+
+    const float emissiveIntensity = PropertyGet<float>(props, "Maya|emissive_intensity", ok);
+    if (ok) {
+        out_mat->AddProperty(&emissiveIntensity, 1, AI_MATKEY_EMISSIVE_INTENSITY);
+    }
+
+    const float useAOMap = PropertyGet<float>(props, "Maya|use_ao_map", ok);
+    if (ok) {
+        out_mat->AddProperty(&useAOMap, 1, AI_MATKEY_USE_AO_MAP);
+    }
 }
 
 void FBXConverter::SetShadingPropertiesRaw(aiMaterial *out_mat, const PropertyTable &props, const TextureMap &_textures, const MeshGeometry *const mesh) {

code/AssetLib/FBX/FBXExporter.cpp

@@ -541,10 +541,17 @@ void FBXExporter::WriteReferences ()
 // (before any actual data is written)
 // ---------------------------------------------------------------
 
-size_t count_nodes(const aiNode* n) {
+size_t count_nodes(const aiNode* n, const aiNode* root) {
-    size_t count = 1;
+    size_t count;
+    if (n == root) {
+        count = n->mNumMeshes; // (not counting root node)
+    } else if (n->mNumMeshes > 1) {
+        count = n->mNumMeshes + 1;
+    } else {
+        count = 1;
+    }
     for (size_t i = 0; i < n->mNumChildren; ++i) {
-        count += count_nodes(n->mChildren[i]);
+        count += count_nodes(n->mChildren[i], root);
     }
     return count;
 }
@@ -714,7 +721,7 @@ void FBXExporter::WriteDefinitions ()
 
     // Model / FbxNode
     // <~~ node hierarchy
-    count = int32_t(count_nodes(mScene->mRootNode)) - 1; // (not counting root node)
+    count = int32_t(count_nodes(mScene->mRootNode, mScene->mRootNode));
     if (count) {
         n = FBX::Node("ObjectType", "Model");
         n.AddChild("Count", count);
@@ -2625,17 +2632,14 @@ void FBXExporter::WriteModelNodes(
                 ],
                 new_node_uid
             );
-            // write model node
+
-            FBX::Node m("Model");
+            aiNode new_node;
             // take name from mesh name, if it exists
-            std::string name = mScene->mMeshes[node->mMeshes[i]]->mName.C_Str();
+            new_node.mName = mScene->mMeshes[node->mMeshes[i]]->mName;
-            name += FBX::SEPARATOR + "Model";
+            // write model node
-            m.AddProperties(new_node_uid, name, "Mesh");
+            WriteModelNode(
-            m.AddChild("Version", int32_t(232));
+                outstream, binary, &new_node, new_node_uid, "Mesh", std::vector<std::pair<std::string,aiVector3D>>()
-            FBX::Node p("Properties70");
+            );
-            p.AddP70enum("InheritType", 1);
-            m.AddChild(p);
-            m.Dump(outstream, binary, 1);
         }
     }
 

code/AssetLib/FBX/FBXMeshGeometry.cpp

@@ -604,15 +604,15 @@ void MeshGeometry::ReadVertexDataTangents(std::vector<aiVector3D>& tangents_out,
 }
 
 // ------------------------------------------------------------------------------------------------
-static const std::string BinormalIndexToken = "BinormalIndex";
+static const char * BinormalIndexToken = "BinormalIndex";
-static const std::string BinormalsIndexToken = "BinormalsIndex";
+static const char * BinormalsIndexToken = "BinormalsIndex";
 
 void MeshGeometry::ReadVertexDataBinormals(std::vector<aiVector3D>& binormals_out, const Scope& source,
     const std::string& MappingInformationType,
     const std::string& ReferenceInformationType)
 {
     const char * str = source.Elements().count( "Binormals" ) > 0 ? "Binormals" : "Binormal";
-    const char * strIdx = source.Elements().count( "Binormals" ) > 0 ? BinormalsIndexToken.c_str() : BinormalIndexToken.c_str();
+    const char * strIdx = source.Elements().count( "Binormals" ) > 0 ? BinormalsIndexToken : BinormalIndexToken;
     ResolveVertexDataArray(binormals_out,source,MappingInformationType,ReferenceInformationType,
         str,
         strIdx,

code/AssetLib/FBX/FBXProperties.cpp

@@ -131,7 +131,7 @@ Property* ReadTypedProperty(const Element& element)
             ParseTokenAsFloat(*tok[6]))
         );
     }
-    else if (!strcmp(cs,"double") || !strcmp(cs,"Number") || !strcmp(cs,"Float") || !strcmp(cs,"FieldOfView") || !strcmp( cs, "UnitScaleFactor" ) ) {
+    else if (!strcmp(cs,"double") || !strcmp(cs,"Number") || !strcmp(cs,"float") || !strcmp(cs,"Float") || !strcmp(cs,"FieldOfView") || !strcmp( cs, "UnitScaleFactor" ) ) {
         checkTokenCount(tok, 5);
         return new TypedProperty<float>(ParseTokenAsFloat(*tok[4]));
     }

code/AssetLib/Ogre/OgreBinarySerializer.cpp

@@ -55,9 +55,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 namespace Assimp {
 namespace Ogre {
 
-const std::string MESH_VERSION_1_8 = "[MeshSerializer_v1.8]";
+static constexpr auto MESH_VERSION_1_8 = "[MeshSerializer_v1.8]";
-const std::string SKELETON_VERSION_1_8 = "[Serializer_v1.80]";
+static constexpr auto SKELETON_VERSION_1_8 = "[Serializer_v1.80]";
-const std::string SKELETON_VERSION_1_1 = "[Serializer_v1.10]";
+static constexpr auto SKELETON_VERSION_1_1 = "[Serializer_v1.10]";
 
 const unsigned short HEADER_CHUNK_ID = 0x1000;
 

code/AssetLib/OpenGEX/OpenGEXImporter.cpp

@@ -749,22 +749,22 @@ enum MeshAttribute {
     TexCoord
 };
 
-static const std::string PosToken = "position";
+constexpr auto PosToken = "position";
-static const std::string ColToken = "color";
+constexpr auto ColToken = "color";
-static const std::string NormalToken = "normal";
+constexpr auto NormalToken = "normal";
-static const std::string TexCoordToken = "texcoord";
+constexpr auto TexCoordToken = "texcoord";
 
 //------------------------------------------------------------------------------------------------
 static MeshAttribute getAttributeByName(const char *attribName) {
     ai_assert(nullptr != attribName);
 
-    if (0 == strncmp(PosToken.c_str(), attribName, PosToken.size())) {
+    if (0 == strcmp(PosToken, attribName)) {
         return Position;
-    } else if (0 == strncmp(ColToken.c_str(), attribName, ColToken.size())) {
+    } else if (0 == strcmp(ColToken, attribName)) {
         return Color;
-    } else if (0 == strncmp(NormalToken.c_str(), attribName, NormalToken.size())) {
+    } else if (0 == strcmp(NormalToken, attribName)) {
         return Normal;
-    } else if (0 == strncmp(TexCoordToken.c_str(), attribName, TexCoordToken.size())) {
+    } else if (0 == strcmp(TexCoordToken, attribName)) {
         return TexCoord;
     }
 

code/AssetLib/Ply/PlyParser.cpp

@@ -419,7 +419,8 @@ bool PLY::DOM::ParseHeader(IOStreamBuffer<char> &streamBuffer, std::vector<char>
         if (PLY::Element::ParseElement(streamBuffer, buffer, &out)) {
             // add the element to the list of elements
             alElements.push_back(out);
-        } else if (TokenMatch(buffer, "end_header", 10)) {
+        } else if ( TokenMatch(buffer, "end_header\r", 11) || //checks for header end with /r/n ending
+                    TokenMatch(buffer, "end_header", 10)) { //checks for /n ending, if it doesn't end with /r/n
             // we have reached the end of the header
             break;
         } else {

code/AssetLib/glTF2/glTF2Asset.h

@@ -1118,11 +1118,13 @@ public:
         bool KHR_materials_transmission;
         bool KHR_draco_mesh_compression;
         bool FB_ngon_encoding;
+        bool KHR_texture_basisu;
     } extensionsUsed;
 
     //! Keeps info about the required extensions
     struct RequiredExtensions {
         bool KHR_draco_mesh_compression;
+        bool KHR_texture_basisu;
     } extensionsRequired;
 
     AssetMetadata asset;

code/AssetLib/glTF2/glTF2Asset.inl

@@ -58,7 +58,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #pragma clang diagnostic ignored "-Wsign-compare"
 #elif defined(__GNUC__)
 #pragma GCC diagnostic push
+#if (__GNUC__ > 4)
 #pragma GCC diagnostic ignored "-Wbool-compare"
+#endif
 #pragma GCC diagnostic ignored "-Wsign-compare"
 #endif
 
@@ -1144,6 +1146,7 @@ inline Image::Image() :
 }
 
 inline void Image::Read(Value &obj, Asset &r) {
+    //basisu: no need to handle .ktx2, .basis, load as is
     if (!mDataLength) {
         Value *curUri = FindString(obj, "uri");
         if (nullptr != curUri) {
@@ -2124,6 +2127,7 @@ inline void Asset::ReadExtensionsUsed(Document &doc) {
     CHECK_EXT(KHR_materials_clearcoat);
     CHECK_EXT(KHR_materials_transmission);
     CHECK_EXT(KHR_draco_mesh_compression);
+    CHECK_EXT(KHR_texture_basisu);
 
 #undef CHECK_EXT
 }

code/AssetLib/glTF2/glTF2AssetWriter.inl

@@ -250,6 +250,7 @@ namespace glTF2 {
 
     inline void Write(Value& obj, Image& img, AssetWriter& w)
     {
+        //basisu: no need to handle .ktx2, .basis, write as is
         if (img.bufferView) {
             obj.AddMember("bufferView", img.bufferView->index, w.mAl);
             obj.AddMember("mimeType", Value(img.mimeType, w.mAl).Move(), w.mAl);
@@ -892,10 +893,22 @@ namespace glTF2 {
             if (this->mAsset.extensionsUsed.FB_ngon_encoding) {
                 exts.PushBack(StringRef("FB_ngon_encoding"), mAl);
             }
+            
+            if (this->mAsset.extensionsUsed.KHR_texture_basisu) {
+                exts.PushBack(StringRef("KHR_texture_basisu"), mAl);
+            }
         }
 
         if (!exts.Empty())
             mDoc.AddMember("extensionsUsed", exts, mAl);
+            
+        //basisu extensionRequired
+        Value extsReq;
+        extsReq.SetArray();
+        if (this->mAsset.extensionsUsed.KHR_texture_basisu) {
+            extsReq.PushBack(StringRef("KHR_texture_basisu"), mAl);
+            mDoc.AddMember("extensionsRequired", extsReq, mAl);
+        }
     }
 
     template<class T>

code/AssetLib/glTF2/glTF2Exporter.cpp

@@ -494,7 +494,6 @@ void glTF2Exporter::GetMatTexProp(const aiMaterial* mat, float& prop, const char
 
 void glTF2Exporter::GetMatTex(const aiMaterial* mat, Ref<Texture>& texture, aiTextureType tt, unsigned int slot = 0)
 {
-
     if (mat->GetTextureCount(tt) > 0) {
         aiString tex;
 
@@ -507,6 +506,7 @@ void glTF2Exporter::GetMatTex(const aiMaterial* mat, Ref<Texture>& texture, aiTe
                     texture = mAsset->textures.Get(it->second);
                 }
 
+                bool useBasisUniversal = false;
                 if (!texture) {
                     std::string texId = mAsset->FindUniqueID("", "texture");
                     texture = mAsset->textures.Create(texId);
@@ -520,17 +520,45 @@ void glTF2Exporter::GetMatTex(const aiMaterial* mat, Ref<Texture>& texture, aiTe
 
                         texture->source->name = curTex->mFilename.C_Str();
                         
-                        // The asset has its own buffer, see Image::SetData
+                        //basisu: embedded ktx2, bu
-                        texture->source->SetData(reinterpret_cast<uint8_t *>(curTex->pcData), curTex->mWidth, *mAsset);
-
                         if (curTex->achFormatHint[0]) {
                             std::string mimeType = "image/";
-                            mimeType += (memcmp(curTex->achFormatHint, "jpg", 3) == 0) ? "jpeg" : curTex->achFormatHint;
+                            if(memcmp(curTex->achFormatHint, "jpg", 3) == 0)
+                                mimeType += "jpeg";
+                            else if(memcmp(curTex->achFormatHint, "ktx", 3) == 0) {
+                                useBasisUniversal = true;
+                                mimeType += "ktx";
+                            }
+                            else if(memcmp(curTex->achFormatHint, "kx2", 3) == 0) {
+                                useBasisUniversal = true;
+                                mimeType += "ktx2";
+                            }
+                            else if(memcmp(curTex->achFormatHint, "bu", 2) == 0) {
+                                useBasisUniversal = true;
+                                mimeType += "basis";
+                            }
+                            else
+                                mimeType += curTex->achFormatHint;
                             texture->source->mimeType = mimeType;
                         }
+                        
+                        // The asset has its own buffer, see Image::SetData
+                        //basisu: "image/ktx2", "image/basis" as is
+                        texture->source->SetData(reinterpret_cast<uint8_t *>(curTex->pcData), curTex->mWidth, *mAsset);
                     }
                     else {
                         texture->source->uri = path;
+                        if(texture->source->uri.find(".ktx")!=std::string::npos ||
+                           texture->source->uri.find(".basis")!=std::string::npos)
+                        {
+                            useBasisUniversal = true;
+                        }
+                    }
+                    
+                    //basisu
+                    if(useBasisUniversal) {
+                        mAsset->extensionsUsed.KHR_texture_basisu = true;
+                        mAsset->extensionsRequired.KHR_texture_basisu = true;
                     }
 
                     GetTexSampler(mat, texture, tt, slot);

code/AssetLib/glTF2/glTF2Importer.cpp

@@ -1263,7 +1263,7 @@ aiMeshMorphAnim *CreateMeshMorphAnim(glTF2::Asset&, Node &node, AnimationSampler
 
         static const float kMillisecondsFromSeconds = 1000.f;
 
-        if (nullptr != samplers.weight) {
+        if (samplers.weight && samplers.weight->input && samplers.weight->output) {
             float *times = nullptr;
             samplers.weight->input->ExtractData(times);
             float *values = nullptr;
@@ -1476,6 +1476,12 @@ void glTF2Importer::ImportEmbeddedTextures(glTF2::Asset &r) {
                 if (strcmp(ext, "jpeg") == 0) {
                     ext = "jpg";
                 }
+                else if(strcmp(ext, "ktx2") == 0) { //basisu: ktx remains
+                    ext = "kx2";
+                }
+                else if(strcmp(ext, "basis") == 0) { //basisu
+                    ext = "bu";
+                }
 
                 size_t len = strlen(ext);
                 if (len <= 3) {

code/CMakeLists.txt

@@ -1137,6 +1137,9 @@ ELSE()
   TARGET_COMPILE_OPTIONS(assimp PRIVATE -Werror)
 ENDIF()
 
+# adds C_FLAGS required to compile zip.c on old GCC 4.x compiler
+TARGET_COMPILE_FEATURES(assimp PUBLIC c_std_99)
+
 TARGET_INCLUDE_DIRECTORIES ( assimp PUBLIC
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../include>
   $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/../include>

code/Common/DefaultLogger.cpp

@@ -169,7 +169,7 @@ void Logger::debug(const char *message) {
     // sometimes importers will include data from the input file
     // (i.e. node names) in their messages.
     if (strlen(message) > MAX_LOG_MESSAGE_LENGTH) {
-        return;
+        return OnDebug("<fixme: long message discarded>");
     }
     return OnDebug(message);
 }
@@ -179,7 +179,7 @@ void Logger::verboseDebug(const char *message) {
 
     // SECURITY FIX: see above
     if (strlen(message) > MAX_LOG_MESSAGE_LENGTH) {
-        return;
+        return OnVerboseDebug("<fixme: long message discarded>");
     }
     return OnVerboseDebug(message);
 }
@@ -189,7 +189,7 @@ void Logger::info(const char *message) {
 
     // SECURITY FIX: see above
     if (strlen(message) > MAX_LOG_MESSAGE_LENGTH) {
-        return;
+        return OnInfo("<fixme: long message discarded>");
     }
     return OnInfo(message);
 }
@@ -199,7 +199,7 @@ void Logger::warn(const char *message) {
 
     // SECURITY FIX: see above
     if (strlen(message) > MAX_LOG_MESSAGE_LENGTH) {
-        return;
+        return OnWarn("<fixme: long message discarded>");
     }
     return OnWarn(message);
 }
@@ -208,7 +208,7 @@ void Logger::warn(const char *message) {
 void Logger::error(const char *message) {
     // SECURITY FIX: see above
     if (strlen(message) > MAX_LOG_MESSAGE_LENGTH) {
-        return;
+        return OnError("<fixme: long message discarded>");
     }
     return OnError(message);
 }

code/Common/Exporter.cpp

@@ -344,8 +344,10 @@ const aiExportDataBlob* Exporter::ExportToBlob( const aiScene* pScene, const cha
         pimpl->blob = nullptr;
     }
     
+    auto baseName = pProperties ? pProperties->GetPropertyString(AI_CONFIG_EXPORT_BLOB_NAME, AI_BLOBIO_MAGIC) : AI_BLOBIO_MAGIC;
+
     std::shared_ptr<IOSystem> old = pimpl->mIOSystem;
-    BlobIOSystem* blobio = new BlobIOSystem();
+    BlobIOSystem *blobio = new BlobIOSystem(baseName);
     pimpl->mIOSystem = std::shared_ptr<IOSystem>( blobio );
 
     if (AI_SUCCESS != Export(pScene,pFormatId,blobio->GetMagicFileName(), pPreprocessing, pProperties)) {

contrib/pugixml/readme.txt

@@ -1,7 +1,7 @@
-pugixml 1.9 - an XML processing library
+pugixml 1.11 - an XML processing library
 
-Copyright (C) 2006-2018, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+Copyright (C) 2006-2020, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
-Report bugs and download new versions at http://pugixml.org/
+Report bugs and download new versions at https://pugixml.org/
 
 This is the distribution of pugixml, which is a C++ XML processing library,
 which consists of a DOM-like interface with rich traversal/modification
@@ -13,8 +13,6 @@ automatically during parsing/saving).
 
 The distribution contains the following folders:
 
-	contrib/ - various contributions to pugixml
-
 	docs/ - documentation
 		docs/samples - pugixml usage examples
 		docs/quickstart.html - quick start guide
@@ -28,7 +26,7 @@ The distribution contains the following folders:
 
 This library is distributed under the MIT License:
 
-Copyright (c) 2006-2018 Arseny Kapoulkine
+Copyright (c) 2006-2019 Arseny Kapoulkine
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation

contrib/pugixml/src/pugiconfig.hpp

@@ -1,8 +1,8 @@
 /**
- * pugixml parser - version 1.9
+ * pugixml parser - version 1.11
  * --------------------------------------------------------
- * Copyright (C) 2006-2018, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+ * Copyright (C) 2006-2020, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
- * Report bugs and download new versions at http://pugixml.org/
+ * Report bugs and download new versions at https://pugixml.org/
  *
  * This library is distributed under the MIT License. See notice at the end
  * of this file.
@@ -30,10 +30,8 @@
 // #define PUGIXML_NO_EXCEPTIONS
 
 // Set this to control attributes for public classes/functions, i.e.:
-//#ifdef _WIN32
 // #define PUGIXML_API __declspec(dllexport) // to export all public symbols from DLL
 // #define PUGIXML_CLASS __declspec(dllimport) // to import all classes from DLL
-//#endif
 // #define PUGIXML_FUNCTION __fastcall // to set calling conventions to all public functions to fastcall
 // In absence of PUGIXML_CLASS/PUGIXML_FUNCTION definitions PUGIXML_API is used instead
 
@@ -42,6 +40,9 @@
 // #define PUGIXML_MEMORY_OUTPUT_STACK 10240
 // #define PUGIXML_MEMORY_XPATH_PAGE_SIZE 4096
 
+// Tune this constant to adjust max nesting for XPath queries
+// #define PUGIXML_XPATH_DEPTH_LIMIT 1024
+
 // Uncomment this to switch to header-only version
 #define PUGIXML_HEADER_ONLY
 
@@ -51,7 +52,7 @@
 #endif
 
 /**
- * Copyright (c) 2006-2018 Arseny Kapoulkine
+ * Copyright (c) 2006-2020 Arseny Kapoulkine
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation

contrib/pugixml/src/pugixml.hpp

@@ -1,8 +1,8 @@
 /**
- * pugixml parser - version 1.9
+ * pugixml parser - version 1.11
  * --------------------------------------------------------
- * Copyright (C) 2006-2018, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+ * Copyright (C) 2006-2020, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
- * Report bugs and download new versions at http://pugixml.org/
+ * Report bugs and download new versions at https://pugixml.org/
  *
  * This library is distributed under the MIT License. See notice at the end
  * of this file.
@@ -12,8 +12,9 @@
  */
 
 #ifndef PUGIXML_VERSION
-// Define version macro; evaluates to major * 100 + minor so that it's safe to use in less-than comparisons
+// Define version macro; evaluates to major * 1000 + minor * 10 + patch so that it's safe to use in less-than comparisons
-#	define PUGIXML_VERSION 190
+// Note: pugixml used major * 100 + minor * 10 + patch format up until 1.9 (which had version identifier 190); starting from pugixml 1.10, the minor version number is two digits
+#	define PUGIXML_VERSION 1110
 #endif
 
 // Include user configuration file (this can define various configuration macros)
@@ -110,6 +111,15 @@
 #	endif
 #endif
 
+// If C++ is 2011 or higher, use 'nullptr'
+#ifndef PUGIXML_NULL
+#	if __cplusplus >= 201103
+#		define PUGIXML_NULL nullptr
+#	else
+#		define PUGIXML_NULL 0
+#	endif
+#endif
+
 // Character interface macros
 #ifdef PUGIXML_WCHAR_MODE
 #	define PUGIXML_TEXT(t) L ## t
@@ -252,10 +262,19 @@ namespace pugi
 	// Don't output empty element tags, instead writing an explicit start and end tag even if there are no children. This flag is off by default.
 	const unsigned int format_no_empty_element_tags = 0x80;
 
+	// Skip characters belonging to range [0; 32) instead of "&#xNN;" encoding. This flag is off by default.
+	const unsigned int format_skip_control_chars = 0x100;
+
+	// Use single quotes ' instead of double quotes " for enclosing attribute values. This flag is off by default.
+	const unsigned int format_attribute_single_quote = 0x200;
+
 	// The default set of formatting flags.
 	// Nodes are indented depending on their depth in DOM tree, a default declaration is output if document has none.
 	const unsigned int format_default = format_indent;
 
+	const int default_double_precision = 17;
+	const int default_float_precision = 9;
+
 	// Forward declarations
 	struct xml_attribute_struct;
 	struct xml_node_struct;
@@ -403,7 +422,9 @@ namespace pugi
 		bool set_value(long rhs);
 		bool set_value(unsigned long rhs);
 		bool set_value(double rhs);
+		bool set_value(double rhs, int precision);
 		bool set_value(float rhs);
+		bool set_value(float rhs, int precision);
 		bool set_value(bool rhs);
 
 	#ifdef PUGIXML_HAS_LONG_LONG
@@ -569,10 +590,16 @@ namespace pugi
 		bool remove_attribute(const xml_attribute& a);
 		bool remove_attribute(const char_t* name);
 
+		// Remove all attributes
+		bool remove_attributes();
+
 		// Remove specified child
 		bool remove_child(const xml_node& n);
 		bool remove_child(const char_t* name);
 
+		// Remove all children
+		bool remove_children();
+
 		// Parses buffer as an XML document fragment and appends all nodes as children of the current node.
 		// Copies/converts the buffer, so it may be deleted or changed after the function returns.
 		// Note: append_buffer allocates memory that has the lifetime of the owning document; removing the appended nodes does not immediately reclaim that memory.
@@ -643,15 +670,15 @@ namespace pugi
 
 	#ifndef PUGIXML_NO_XPATH
 		// Select single node by evaluating XPath query. Returns first node from the resulting node set.
-		xpath_node select_node(const char_t* query, xpath_variable_set* variables = 0) const;
+		xpath_node select_node(const char_t* query, xpath_variable_set* variables = PUGIXML_NULL) const;
 		xpath_node select_node(const xpath_query& query) const;
 
 		// Select node set by evaluating XPath query
-		xpath_node_set select_nodes(const char_t* query, xpath_variable_set* variables = 0) const;
+		xpath_node_set select_nodes(const char_t* query, xpath_variable_set* variables = PUGIXML_NULL) const;
 		xpath_node_set select_nodes(const xpath_query& query) const;
 
 		// (deprecated: use select_node instead) Select single node by evaluating XPath query.
-		PUGIXML_DEPRECATED xpath_node select_single_node(const char_t* query, xpath_variable_set* variables = 0) const;
+		PUGIXML_DEPRECATED xpath_node select_single_node(const char_t* query, xpath_variable_set* variables = PUGIXML_NULL) const;
 		PUGIXML_DEPRECATED xpath_node select_single_node(const xpath_query& query) const;
 
 	#endif
@@ -754,7 +781,9 @@ namespace pugi
 		bool set(long rhs);
 		bool set(unsigned long rhs);
 		bool set(double rhs);
+		bool set(double rhs, int precision);
 		bool set(float rhs);
+		bool set(float rhs, int precision);
 		bool set(bool rhs);
 
 	#ifdef PUGIXML_HAS_LONG_LONG
@@ -1192,7 +1221,7 @@ namespace pugi
 	public:
 		// Construct a compiled object from XPath expression.
 		// If PUGIXML_NO_EXCEPTIONS is not defined, throws xpath_exception on compilation errors.
-		explicit xpath_query(const char_t* query, xpath_variable_set* variables = 0);
+		explicit xpath_query(const char_t* query, xpath_variable_set* variables = PUGIXML_NULL);
 
 		// Constructor
 		xpath_query();
@@ -1251,8 +1280,9 @@ namespace pugi
 	};
 
 	#ifndef PUGIXML_NO_EXCEPTIONS
-
+        #if defined(_MSC_VER)
-#ifdef _MSC_VER
+          // C4275 can be ignored in Visual C++ if you are deriving
+          // from a type in the Standard C++ Library
           #pragma warning(push)
           #pragma warning(disable: 4275)
         #endif
@@ -1272,10 +1302,11 @@ namespace pugi
 		// Get parse result
 		const xpath_parse_result& result() const;
 	};
-	#endif
+        #if defined(_MSC_VER)
-#ifdef _MSC_VER
           #pragma warning(pop)
         #endif
+	#endif
+
 	// XPath node class (either xml_node or xml_attribute)
 	class PUGIXML_CLASS xpath_node
 	{
@@ -1379,7 +1410,7 @@ namespace pugi
 	private:
 		type_t _type;
 
-		xpath_node _storage;
+		xpath_node _storage[1];
 
 		xpath_node* _begin;
 		xpath_node* _end;
@@ -1443,7 +1474,7 @@ namespace std
 #endif
 
 /**
- * Copyright (c) 2006-2018 Arseny Kapoulkine
+ * Copyright (c) 2006-2020 Arseny Kapoulkine
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation

include/assimp/BlobIOSystem.h

@@ -194,8 +194,14 @@ class BlobIOSystem : public IOSystem {
     friend class BlobIOStream;
     typedef std::pair<std::string, aiExportDataBlob *> BlobEntry;
 
+
 public:
-    BlobIOSystem() {
+    BlobIOSystem() :
+            baseName{AI_BLOBIO_MAGIC} {
+    }
+
+    BlobIOSystem(const std::string &baseName) :
+            baseName(baseName) {
     }
 
     virtual ~BlobIOSystem() {
@@ -207,27 +213,32 @@ public:
 public:
     // -------------------------------------------------------------------
     const char *GetMagicFileName() const {
-        return AI_BLOBIO_MAGIC;
+        return baseName.c_str();
     }
 
     // -------------------------------------------------------------------
     aiExportDataBlob *GetBlobChain() {
+        const auto magicName = std::string(this->GetMagicFileName());
+        const bool hasBaseName = baseName != AI_BLOBIO_MAGIC;
+
         // one must be the master
         aiExportDataBlob *master = nullptr, *cur;
+
         for (const BlobEntry &blobby : blobs) {
-            if (blobby.first == AI_BLOBIO_MAGIC) {
+            if (blobby.first == magicName) {
                 master = blobby.second;
+                master->name.Set(hasBaseName ? blobby.first : "");
                 break;
             }
         }
+
         if (!master) {
             ASSIMP_LOG_ERROR("BlobIOSystem: no data written or master file was not closed properly.");
             return nullptr;
         }
 
-        master->name.Set("");
-
         cur = master;
+
         for (const BlobEntry &blobby : blobs) {
             if (blobby.second == master) {
                 continue;
@@ -236,10 +247,14 @@ public:
             cur->next = blobby.second;
             cur = cur->next;
 
+            if (hasBaseName) {
+                cur->name.Set(blobby.first);
+            } else {
                 // extract the file extension from the file written
                 const std::string::size_type s = blobby.first.find_first_of('.');
                 cur->name.Set(s == std::string::npos ? blobby.first : blobby.first.substr(s + 1));
             }
+        }
 
         // give up blob ownership
         blobs.clear();
@@ -283,6 +298,7 @@ private:
     }
 
 private:
+    std::string baseName;
     std::set<std::string> created;
     std::vector<BlobEntry> blobs;
 };

include/assimp/TinyFormatter.h

@@ -88,9 +88,17 @@ public:
         underlying << sin;
     }
 
+    // Same problem as the copy constructor below, but with root cause is that stream move
+    // is not permitted on older GCC versions. Small performance impact on those platforms.
+#if defined(__GNUC__) && (__GNUC__ == 4 && __GNUC_MINOR__ <= 9)
+    basic_formatter(basic_formatter&& other) {
+        underlying << (string)other;
+    }
+#else
     basic_formatter(basic_formatter&& other)
         : underlying(std::move(other.underlying)) {
     }
+#endif
 
     // The problem described here:
     // https://sourceforge.net/tracker/?func=detail&atid=1067632&aid=3358562&group_id=226462

include/assimp/camera.h

@@ -137,7 +137,7 @@ struct aiCamera
      */
     C_STRUCT aiVector3D mLookAt;
 
-    /** Half horizontal field of view angle, in radians.
+    /** Horizontal field of view angle, in radians.
      *
      *  The field of view angle is the angle between the center
      *  line of the screen and the left or right border.

include/assimp/cexport.h

@@ -205,16 +205,22 @@ struct aiExportDataBlob {
     void *data;
 
     /** Name of the blob. An empty string always
-        indicates the first (and primary) blob,
+      * indicates the first (and primary) blob,
-        which contains the actual file data.
+      * which contains the actual file data.
-        Any other blobs are auxiliary files produced
+      * Any other blobs are auxiliary files produced
-        by exporters (i.e. material files). Existence
+      * by exporters (i.e. material files). Existence
-        of such files depends on the file format. Most
+      * of such files depends on the file format. Most
-        formats don't split assets across multiple files.
+      * formats don't split assets across multiple files.
-
+      *
-        If used, blob names usually contain the file
+      * If used, blob names usually contain the file
-        extension that should be used when writing
+      * extension that should be used when writing
-        the data to disc.
+      * the data to disc.
+      *
+      * The blob names generated can be influenced by
+      * setting the #AI_CONFIG_EXPORT_BLOB_NAME export
+      * property to the name that is used for the master
+      * blob. All other names are typically derived from
+      * the base name, by the file format exporter.
      */
     C_STRUCT aiString name;
 

include/assimp/config.h.in

@@ -1075,6 +1075,23 @@ enum aiComponent
  */
 #define AI_CONFIG_EXPORT_POINT_CLOUDS "EXPORT_POINT_CLOUDS"
 
+/**
+ * @brief Specifies the blob name, assimp uses for exporting.
+ * 
+ * Some formats require auxiliary files to be written, that need to be linked back into 
+ * the original file. For example, OBJ files export materials to a separate MTL file and
+ * use the `mtllib` keyword to reference this file.
+ * 
+ * When exporting blobs using #ExportToBlob, assimp does not know the name of the blob
+ * file and thus outputs `mtllib $blobfile.mtl`, which might not be desired, since the 
+ * MTL file might be called differently. 
+ * 
+ * This property can be used to give the exporter a hint on how to use the magic 
+ * `$blobfile` keyword. If the exporter detects the keyword and is provided with a name
+ * for the blob, it instead uses this name.
+ */
+#define AI_CONFIG_EXPORT_BLOB_NAME "EXPORT_BLOB_NAME"
+
 /**
  *  @brief  Specifies a gobal key factor for scale, float value
  */

include/assimp/material.h

@@ -920,6 +920,18 @@ extern "C" {
 #define AI_MATKEY_SHADER_PRIMITIVE "?sh.ps", 0, 0
 #define AI_MATKEY_SHADER_COMPUTE "?sh.cs", 0, 0
 
+// ---------------------------------------------------------------------------
+// PBR material support
+#define AI_MATKEY_USE_COLOR_MAP "$mat.useColorMap", 0, 0
+#define AI_MATKEY_BASE_COLOR "$clr.base", 0, 0
+#define AI_MATKEY_USE_METALLIC_MAP "$mat.useMetallicMap", 0, 0
+#define AI_MATKEY_METALLIC_FACTOR "$mat.metallicFactor", 0, 0
+#define AI_MATKEY_USE_ROUGHNESS_MAP "$mat.useRoughnessMap", 0, 0
+#define AI_MATKEY_ROUGHNESS_FACTOR "$mat.roughnessFactor", 0, 0
+#define AI_MATKEY_USE_EMISSIVE_MAP "$mat.useEmissiveMap", 0, 0
+#define AI_MATKEY_EMISSIVE_INTENSITY "$mat.emissiveIntensity", 0, 0
+#define AI_MATKEY_USE_AO_MAP "$mat.useAOMap", 0, 0
+
 // ---------------------------------------------------------------------------
 // Pure key names for all texture-related properties
 //! @cond MATS_DOC_FULL

include/assimp/mesh.h

@@ -674,6 +674,10 @@ struct aiMesh {
     */
     C_STRUCT aiVector3D *mTextureCoords[AI_MAX_NUMBER_OF_TEXTURECOORDS];
 
+    /** Vertex stream names.
+     */
+    C_STRUCT aiString mTextureCoordsNames[AI_MAX_NUMBER_OF_TEXTURECOORDS];
+
     /** Specifies the number of components for a given UV channel.
     * Up to three channels are supported (UVW, for accessing volume
     * or cube maps). If the value is 2 for a given channel n, the

include/assimp/metadata.h

@@ -202,17 +202,17 @@ struct aiMetadata {
             } break;
             case AI_AISTRING: {
                 aiString v;
-                rhs.Get<aiString>(mKeys[i], v);
+                rhs.Get<aiString>(static_cast<unsigned int>(i), v);
                 mValues[i].mData = new aiString(v);
             } break;
             case AI_AIVECTOR3D: {
                 aiVector3D v;
-                rhs.Get<aiVector3D>(mKeys[i], v);
+                rhs.Get<aiVector3D>(static_cast<unsigned int>(i), v);
                 mValues[i].mData = new aiVector3D(v);
             } break;
             case AI_AIMETADATA: {
                 aiMetadata v;
-                rhs.Get<aiMetadata>(mKeys[i], v);
+                rhs.Get<aiMetadata>(static_cast<unsigned int>(i), v);
                 mValues[i].mData = new aiMetadata(v);
             } break;
 #ifndef SWIG

port/PyAssimp/pyassimp/core.py

@@ -211,7 +211,7 @@ def _init(self, target = None, parent = None):
 
 
             else: # starts with 'm' but not iterable
-                setattr(target, name, obj)
+                setattr(target, m, obj)
                 logger.debug("Added " + name + " as self." + name + " (type: " + str(type(obj)) + ")")
 
                 if _is_init_type(obj):

tools/assimp_view/assimp_view.cpp

@@ -489,7 +489,7 @@ int CreateAssetData() {
             nidx = 3;
             break;
         default:
-            ai_assert(false);
+            CLogWindow::Instance().WriteLine("Unknown primitiv type");
             break;
         };
 
@@ -500,8 +500,7 @@ int CreateAssetData() {
         // check whether we can use 16 bit indices
         if (numIndices >= 65536) {
             // create 32 bit index buffer
-            if (FAILED(g_piDevice->CreateIndexBuffer(4 *
+            if (FAILED(g_piDevice->CreateIndexBuffer(4 * numIndices,
-                                                             numIndices,
                         D3DUSAGE_WRITEONLY | dwUsage,
                         D3DFMT_INDEX32,
                         D3DPOOL_DEFAULT,