Merge pull request #1 from assimp/master

Merge main into fork

CMakeLists.txt

@@ -249,9 +249,15 @@ IF ((CMAKE_C_COMPILER_ID MATCHES "GNU") AND NOT CMAKE_COMPILER_IS_MINGW)
     SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
   ENDIF()
   # hide all not-exported symbols
-  SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
-  SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
-  SET(LIBSTDC++_LIBRARIES -lstdc++)
+  IF(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "mips64" )
+	SET(CMAKE_CXX_FLAGS "-mxgot -fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
+	SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
+	SET(LIBSTDC++_LIBRARIES -lstdc++)
+  ELSE()
+	SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
+	SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
+	SET(LIBSTDC++_LIBRARIES -lstdc++)
+  ENDIF()
 ELSEIF(MSVC)
   # enable multi-core compilation with MSVC
   IF( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) # clang-cl

Readme.md

@@ -16,13 +16,16 @@ A library to import and export various 3d-model-formats including scene-post-pro
 <br>
 
 APIs are provided for C and C++. There are various bindings to other languages (C#, Java, Python, Delphi, D). Assimp also runs on Android and iOS.
-
-[Check the latest doc](https://assimp-docs.readthedocs.io/en/latest/).
-
 Additionally, assimp features various __mesh post processing tools__: normals and tangent space generation, triangulation, vertex cache locality optimization, removal of degenerate primitives and duplicate vertices, sorting by primitive type, merging of redundant materials and many more.
 
-This is the development repo containing the latest features and bugfixes. For productive use though, we recommend one of the stable releases available from [Github Assimp Releases](https://github.com/assimp/assimp/releases).
+### Latest Doc's ###
+Please check the latest documents at [Asset-Importer-Lib-Doc](https://assimp-docs.readthedocs.io/en/latest/). 
 
+### Get involved ###
+This is the development repo containing the latest features and bugfixes. For productive use though, we recommend one of the stable releases available from [Github Assimp Releases](https://github.com/assimp/assimp/releases).
+<br>
+You find a bug in the docs? Use [Doc-Repo](https://github.com/assimp/assimp-docs).
+<br>
 Please check our Wiki as well: https://github.com/assimp/assimp/wiki
 
 If you want to check our Model-Database, use the following repo: https://github.com/assimp/assimp-mdb

code/AssetLib/Assjson/cencode.c

@@ -9,8 +9,10 @@ For details, see http://sourceforge.net/projects/libb64
 
 const int CHARS_PER_LINE = 72;
 
+#ifdef _MSC_VER
 #pragma warning(push)
 #pragma warning(disable : 4244)
+#endif // _MSC_VER
 
 void base64_init_encodestate(base64_encodestate* state_in)
 {
@@ -33,9 +35,9 @@ int base64_encode_block(const char* plaintext_in, int length_in, char* code_out,
 	char* codechar = code_out;
 	char result;
 	char fragment;
-	
+
 	result = state_in->result;
-	
+
 	switch (state_in->step)
 	{
 		while (1)
@@ -74,7 +76,7 @@ int base64_encode_block(const char* plaintext_in, int length_in, char* code_out,
 			*codechar++ = base64_encode_value(result);
 			result  = (fragment & 0x03f) >> 0;
 			*codechar++ = base64_encode_value(result);
-			
+
 			++(state_in->stepcount);
 			if (state_in->stepcount == CHARS_PER_LINE/4)
 			{
@@ -90,7 +92,7 @@ int base64_encode_block(const char* plaintext_in, int length_in, char* code_out,
 int base64_encode_blockend(char* code_out, base64_encodestate* state_in)
 {
 	char* codechar = code_out;
-	
+
 	switch (state_in->step)
 	{
 	case step_B:
@@ -106,8 +108,10 @@ int base64_encode_blockend(char* code_out, base64_encodestate* state_in)
 		break;
 	}
 	*codechar++ = '\n';
-	
+
 	return (int)(codechar - code_out);
 }
 
+#ifdef _MSC_VER
 #pragma warning(pop)
+#endif // _MSC_VER

code/AssetLib/FBX/FBXConverter.cpp

@@ -185,6 +185,17 @@ std::string FBXConverter::MakeUniqueNodeName(const Model *const model, const aiN
     return unique_name;
 }
 
+/// This struct manages nodes which may or may not end up in the node hierarchy.
+/// When a node becomes a child of another node, that node becomes its owner and mOwnership should be released.
+struct FBXConverter::PotentialNode
+{
+    PotentialNode() : mOwnership(new aiNode), mNode(mOwnership.get()) {}
+    PotentialNode(const std::string& name) : mOwnership(new aiNode(name)), mNode(mOwnership.get()) {}
+    aiNode* operator->() { return mNode; }
+    std::unique_ptr<aiNode> mOwnership;
+    aiNode* mNode;
+};
+
 /// todo: pre-build node hierarchy
 /// todo: get bone from stack
 /// todo: make map of aiBone* to aiNode*
@@ -192,137 +203,129 @@ std::string FBXConverter::MakeUniqueNodeName(const Model *const model, const aiN
 void FBXConverter::ConvertNodes(uint64_t id, aiNode *parent, aiNode *root_node) {
     const std::vector<const Connection *> &conns = doc.GetConnectionsByDestinationSequenced(id, "Model");
 
-    std::vector<aiNode *> nodes;
+    std::vector<PotentialNode> nodes;
     nodes.reserve(conns.size());
 
-    std::vector<aiNode *> nodes_chain;
-    std::vector<aiNode *> post_nodes_chain;
-
-    try {
-        for (const Connection *con : conns) {
-            // ignore object-property links
-            if (con->PropertyName().length()) {
-                // really important we document why this is ignored.
-                FBXImporter::LogInfo("ignoring property link - no docs on why this is ignored");
-                continue; //?
-            }
-
-            // convert connection source object into Object base class
-            const Object *const object = con->SourceObject();
-            if (nullptr == object) {
-                FBXImporter::LogError("failed to convert source object for Model link");
-                continue;
-            }
+    std::vector<PotentialNode> nodes_chain;
+    std::vector<PotentialNode> post_nodes_chain;
 
-            // FBX Model::Cube, Model::Bone001, etc elements
-            // This detects if we can cast the object into this model structure.
-            const Model *const model = dynamic_cast<const Model *>(object);
+    for (const Connection *con : conns) {
+        // ignore object-property links
+        if (con->PropertyName().length()) {
+            // really important we document why this is ignored.
+            FBXImporter::LogInfo("ignoring property link - no docs on why this is ignored");
+            continue; //?
+        }
 
-            if (nullptr != model) {
-                nodes_chain.clear();
-                post_nodes_chain.clear();
+        // convert connection source object into Object base class
+        const Object *const object = con->SourceObject();
+        if (nullptr == object) {
+            FBXImporter::LogError("failed to convert source object for Model link");
+            continue;
+        }
 
-                aiMatrix4x4 new_abs_transform = parent->mTransformation;
-                std::string node_name = FixNodeName(model->Name());
-                // even though there is only a single input node, the design of
-                // assimp (or rather: the complicated transformation chain that
-                // is employed by fbx) means that we may need multiple aiNode's
-                // to represent a fbx node's transformation.
+        // FBX Model::Cube, Model::Bone001, etc elements
+        // This detects if we can cast the object into this model structure.
+        const Model *const model = dynamic_cast<const Model *>(object);
 
-                // generate node transforms - this includes pivot data
-                // if need_additional_node is true then you t
-                const bool need_additional_node = GenerateTransformationNodeChain(*model, node_name, nodes_chain, post_nodes_chain);
+        if (nullptr != model) {
+            nodes_chain.clear();
+            post_nodes_chain.clear();
 
-                // assert that for the current node we must have at least a single transform
-                ai_assert(nodes_chain.size());
+            aiMatrix4x4 new_abs_transform = parent->mTransformation;
+            std::string node_name = FixNodeName(model->Name());
+            // even though there is only a single input node, the design of
+            // assimp (or rather: the complicated transformation chain that
+            // is employed by fbx) means that we may need multiple aiNode's
+            // to represent a fbx node's transformation.
 
-                if (need_additional_node) {
-                    nodes_chain.push_back(new aiNode(node_name));
-                }
+            // generate node transforms - this includes pivot data
+            // if need_additional_node is true then you t
+            const bool need_additional_node = GenerateTransformationNodeChain(*model, node_name, nodes_chain, post_nodes_chain);
 
-                //setup metadata on newest node
-                SetupNodeMetadata(*model, *nodes_chain.back());
+            // assert that for the current node we must have at least a single transform
+            ai_assert(nodes_chain.size());
 
-                // link all nodes in a row
-                aiNode *last_parent = parent;
-                for (aiNode *child : nodes_chain) {
-                    ai_assert(child);
+            if (need_additional_node) {
+                nodes_chain.emplace_back(PotentialNode(node_name));
+            }
 
-                    if (last_parent != parent) {
-                        last_parent->mNumChildren = 1;
-                        last_parent->mChildren = new aiNode *[1];
-                        last_parent->mChildren[0] = child;
-                    }
+            //setup metadata on newest node
+            SetupNodeMetadata(*model, *nodes_chain.back().mNode);
 
-                    child->mParent = last_parent;
-                    last_parent = child;
+            // link all nodes in a row
+            aiNode *last_parent = parent;
+            for (PotentialNode& child : nodes_chain) {
+                ai_assert(child.mNode);
 
-                    new_abs_transform *= child->mTransformation;
+                if (last_parent != parent) {
+                    last_parent->mNumChildren = 1;
+                    last_parent->mChildren = new aiNode *[1];
+                    last_parent->mChildren[0] = child.mOwnership.release();
                 }
 
-                // attach geometry
-                ConvertModel(*model, nodes_chain.back(), root_node, new_abs_transform);
+                child->mParent = last_parent;
+                last_parent = child.mNode;
 
-                // check if there will be any child nodes
-                const std::vector<const Connection *> &child_conns = doc.GetConnectionsByDestinationSequenced(model->ID(), "Model");
+                new_abs_transform *= child->mTransformation;
+            }
 
-                // if so, link the geometric transform inverse nodes
-                // before we attach any child nodes
-                if (child_conns.size()) {
-                    for (aiNode *postnode : post_nodes_chain) {
-                        ai_assert(postnode);
+            // attach geometry
+            ConvertModel(*model, nodes_chain.back().mNode, root_node, new_abs_transform);
 
-                        if (last_parent != parent) {
-                            last_parent->mNumChildren = 1;
-                            last_parent->mChildren = new aiNode *[1];
-                            last_parent->mChildren[0] = postnode;
-                        }
+            // check if there will be any child nodes
+            const std::vector<const Connection *> &child_conns = doc.GetConnectionsByDestinationSequenced(model->ID(), "Model");
 
-                        postnode->mParent = last_parent;
-                        last_parent = postnode;
+            // if so, link the geometric transform inverse nodes
+            // before we attach any child nodes
+            if (child_conns.size()) {
+                for (PotentialNode& postnode : post_nodes_chain) {
+                    ai_assert(postnode.mNode);
 
-                        new_abs_transform *= postnode->mTransformation;
+                    if (last_parent != parent) {
+                        last_parent->mNumChildren = 1;
+                        last_parent->mChildren = new aiNode *[1];
+                        last_parent->mChildren[0] = postnode.mOwnership.release();
                     }
-                } else {
-                    // free the nodes we allocated as we don't need them
-                    Util::delete_fun<aiNode> deleter;
-                    std::for_each(
-                            post_nodes_chain.begin(),
-                            post_nodes_chain.end(),
-                            deleter);
-                }
 
-                // recursion call - child nodes
-                ConvertNodes(model->ID(), last_parent, root_node);
+                    postnode->mParent = last_parent;
+                    last_parent = postnode.mNode;
 
-                if (doc.Settings().readLights) {
-                    ConvertLights(*model, node_name);
+                    new_abs_transform *= postnode->mTransformation;
                 }
+            } else {
+                // free the nodes we allocated as we don't need them
+                post_nodes_chain.clear();
+            }
 
-                if (doc.Settings().readCameras) {
-                    ConvertCameras(*model, node_name);
-                }
+            // recursion call - child nodes
+            ConvertNodes(model->ID(), last_parent, root_node);
 
-                nodes.push_back(nodes_chain.front());
-                nodes_chain.clear();
+            if (doc.Settings().readLights) {
+                ConvertLights(*model, node_name);
             }
-        }
 
-        if (nodes.size()) {
-            parent->mChildren = new aiNode *[nodes.size()]();
-            parent->mNumChildren = static_cast<unsigned int>(nodes.size());
+            if (doc.Settings().readCameras) {
+                ConvertCameras(*model, node_name);
+            }
 
-            std::swap_ranges(nodes.begin(), nodes.end(), parent->mChildren);
-        } else {
-            parent->mNumChildren = 0;
-            parent->mChildren = nullptr;
+            nodes.push_back(std::move(nodes_chain.front()));
+            nodes_chain.clear();
         }
+    }
 
-    } catch (std::exception &) {
-        Util::delete_fun<aiNode> deleter;
-        std::for_each(nodes.begin(), nodes.end(), deleter);
-        std::for_each(nodes_chain.begin(), nodes_chain.end(), deleter);
-        std::for_each(post_nodes_chain.begin(), post_nodes_chain.end(), deleter);
+    if (nodes.size()) {
+        parent->mChildren = new aiNode *[nodes.size()]();
+        parent->mNumChildren = static_cast<unsigned int>(nodes.size());
+
+        for (unsigned int i = 0; i < nodes.size(); ++i)
+        {
+            parent->mChildren[i] = nodes[i].mOwnership.release();
+        }
+        nodes.clear();
+    } else {
+        parent->mNumChildren = 0;
+        parent->mChildren = nullptr;
     }
 }
 
@@ -681,8 +684,8 @@ std::string FBXConverter::NameTransformationChainNode(const std::string &name, T
     return name + std::string(MAGIC_NODE_TAG) + "_" + NameTransformationComp(comp);
 }
 
-bool FBXConverter::GenerateTransformationNodeChain(const Model &model, const std::string &name, std::vector<aiNode *> &output_nodes,
-        std::vector<aiNode *> &post_output_nodes) {
+bool FBXConverter::GenerateTransformationNodeChain(const Model &model, const std::string &name, std::vector<PotentialNode> &output_nodes,
+        std::vector<PotentialNode> &post_output_nodes) {
     const PropertyTable &props = model.Props();
     const Model::RotOrder rot = model.RotationOrder();
 
@@ -828,7 +831,7 @@ bool FBXConverter::GenerateTransformationNodeChain(const Model &model, const std
                 chain[i] = chain[i].Inverse();
             }
 
-            aiNode *nd = new aiNode();
+            PotentialNode nd;
             nd->mName.Set(NameTransformationChainNode(name, comp));
             nd->mTransformation = chain[i];
 
@@ -836,9 +839,9 @@ bool FBXConverter::GenerateTransformationNodeChain(const Model &model, const std
             if (comp == TransformationComp_GeometricScalingInverse ||
                     comp == TransformationComp_GeometricRotationInverse ||
                     comp == TransformationComp_GeometricTranslationInverse) {
-                post_output_nodes.push_back(nd);
+                post_output_nodes.emplace_back(std::move(nd));
             } else {
-                output_nodes.push_back(nd);
+                output_nodes.emplace_back(std::move(nd));
             }
         }
 
@@ -847,8 +850,7 @@ bool FBXConverter::GenerateTransformationNodeChain(const Model &model, const std
     }
 
     // else, we can just multiply the matrices together
-    aiNode *nd = new aiNode();
-    output_nodes.push_back(nd);
+    PotentialNode nd;
 
     // name passed to the method is already unique
     nd->mName.Set(name);
@@ -857,6 +859,7 @@ bool FBXConverter::GenerateTransformationNodeChain(const Model &model, const std
     for (unsigned int i = TransformationComp_Translation; i < TransformationComp_MAXIMUM; i++) {
       nd->mTransformation = nd->mTransformation * chain[i];
     }
+    output_nodes.push_back(std::move(nd));
     return false;
 }
   
@@ -2011,12 +2014,40 @@ void FBXConverter::SetTextureProperties(aiMaterial *out_mat, const TextureMap &_
     TrySetTextureProperties(out_mat, _textures, "Maya|TEX_roughness_map", aiTextureType_DIFFUSE_ROUGHNESS, mesh);
     TrySetTextureProperties(out_mat, _textures, "Maya|TEX_ao_map", aiTextureType_AMBIENT_OCCLUSION, mesh);
 
-    // 3DSMax PBR
+    // 3DSMax Physical material
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|base_color_map", aiTextureType_BASE_COLOR, mesh);
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|bump_map", aiTextureType_NORMAL_CAMERA, mesh);
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|emission_map", aiTextureType_EMISSION_COLOR, mesh);
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|metalness_map", aiTextureType_METALNESS, mesh);
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|roughness_map", aiTextureType_DIFFUSE_ROUGHNESS, mesh);
+
+    // 3DSMax PBR materials
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|base_color_map", aiTextureType_BASE_COLOR, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|norm_map", aiTextureType_NORMAL_CAMERA, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|emit_color_map", aiTextureType_EMISSION_COLOR, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|ao_map", aiTextureType_AMBIENT_OCCLUSION, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|opacity_map", aiTextureType_OPACITY, mesh);
+    // Metalness/Roughness material type
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|metalness_map", aiTextureType_METALNESS, mesh);
+    // Specular/Gloss material type
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|specular_map", aiTextureType_SPECULAR, mesh);
+
+    // Glossiness vs roughness in 3ds Max Pbr Materials
+    int useGlossiness;
+    if (out_mat->Get("$raw.3dsMax|main|useGlossiness", aiTextureType_NONE, 0, useGlossiness) == aiReturn_SUCCESS) {
+        // These textures swap meaning if ((useGlossiness == 1) != (material type is Specular/Gloss))
+        if (useGlossiness == 1) {
+            TrySetTextureProperties(out_mat, _textures, "3dsMax|main|roughness_map", aiTextureType_SHININESS, mesh);
+            TrySetTextureProperties(out_mat, _textures, "3dsMax|main|glossiness_map", aiTextureType_SHININESS, mesh);
+        }
+        else if (useGlossiness == 2) {
+            TrySetTextureProperties(out_mat, _textures, "3dsMax|main|roughness_map", aiTextureType_DIFFUSE_ROUGHNESS, mesh);
+            TrySetTextureProperties(out_mat, _textures, "3dsMax|main|glossiness_map", aiTextureType_DIFFUSE_ROUGHNESS, mesh);
+        }
+        else {
+            FBXImporter::LogWarn("A 3dsMax Pbr Material must have a useGlossiness value to correctly interpret roughness and glossiness textures.");
+        }
+    }
 }
 
 void FBXConverter::SetTextureProperties(aiMaterial *out_mat, const LayeredTextureMap &layeredTextures, const MeshGeometry *const mesh) {

code/AssetLib/FBX/FBXConverter.h

@@ -171,9 +171,10 @@ private:
 
     // ------------------------------------------------------------------------------------------------
     /**
-    *  note: memory for output_nodes will be managed by the caller
+    *  note: memory for output_nodes is managed by the caller, via the PotentialNode struct.
     */
-    bool GenerateTransformationNodeChain(const Model& model, const std::string& name, std::vector<aiNode*>& output_nodes, std::vector<aiNode*>& post_output_nodes);
+    struct PotentialNode;
+    bool GenerateTransformationNodeChain(const Model& model, const std::string& name, std::vector<PotentialNode>& output_nodes, std::vector<PotentialNode>& post_output_nodes);
 
     // ------------------------------------------------------------------------------------------------
     void SetupNodeMetadata(const Model& model, aiNode& nd);

code/AssetLib/FBX/FBXProperties.cpp

@@ -69,6 +69,20 @@ Property::~Property()
 
 namespace {
 
+void checkTokenCount(const TokenList& tok, unsigned int expectedCount)
+{
+    ai_assert(expectedCount >= 2);
+    if (tok.size() < expectedCount) {
+        const std::string& s = ParseTokenAsString(*tok[1]);
+        if (tok[1]->IsBinary()) {
+            throw DeadlyImportError("Not enough tokens for property of type ", s, " at offset ", tok[1]->Offset());
+        }
+        else {
+            throw DeadlyImportError("Not enough tokens for property of type ", s, " at line ", tok[1]->Line());
+        }
+    }
+}
+
 // ------------------------------------------------------------------------------------------------
 // read a typed property out of a FBX element. The return value is nullptr if the property cannot be read.
 Property* ReadTypedProperty(const Element& element)
@@ -83,23 +97,23 @@ Property* ReadTypedProperty(const Element& element)
     const std::string& s = ParseTokenAsString(*tok[1]);
     const char* const cs = s.c_str();
     if (!strcmp(cs,"KString")) {
-        ai_assert(tok.size() >= 5);
+        checkTokenCount(tok, 5);
         return new TypedProperty<std::string>(ParseTokenAsString(*tok[4]));
     }
     else if (!strcmp(cs,"bool") || !strcmp(cs,"Bool")) {
-        ai_assert(tok.size() >= 5);
+        checkTokenCount(tok, 5);
         return new TypedProperty<bool>(ParseTokenAsInt(*tok[4]) != 0);
     }
-    else if (!strcmp(cs, "int") || !strcmp(cs, "Int") || !strcmp(cs, "enum") || !strcmp(cs, "Enum")) {
-        ai_assert(tok.size() >= 5);
+    else if (!strcmp(cs, "int") || !strcmp(cs, "Int") || !strcmp(cs, "enum") || !strcmp(cs, "Enum") || !strcmp(cs, "Integer")) {
+        checkTokenCount(tok, 5);
         return new TypedProperty<int>(ParseTokenAsInt(*tok[4]));
     }
     else if (!strcmp(cs, "ULongLong")) {
-        ai_assert(tok.size() >= 5);
+        checkTokenCount(tok, 5);
         return new TypedProperty<uint64_t>(ParseTokenAsID(*tok[4]));
     }
     else if (!strcmp(cs, "KTime")) {
-        ai_assert(tok.size() >= 5);
+        checkTokenCount(tok, 5);
         return new TypedProperty<int64_t>(ParseTokenAsInt64(*tok[4]));
     }
     else if (!strcmp(cs,"Vector3D") ||
@@ -110,7 +124,7 @@ Property* ReadTypedProperty(const Element& element)
         !strcmp(cs,"Lcl Rotation") ||
         !strcmp(cs,"Lcl Scaling")
         ) {
-        ai_assert(tok.size() >= 7);
+        checkTokenCount(tok, 7);
         return new TypedProperty<aiVector3D>(aiVector3D(
             ParseTokenAsFloat(*tok[4]),
             ParseTokenAsFloat(*tok[5]),
@@ -118,9 +132,18 @@ Property* ReadTypedProperty(const Element& element)
         );
     }
     else if (!strcmp(cs,"double") || !strcmp(cs,"Number") || !strcmp(cs,"Float") || !strcmp(cs,"FieldOfView") || !strcmp( cs, "UnitScaleFactor" ) ) {
-        ai_assert(tok.size() >= 5);
+        checkTokenCount(tok, 5);
         return new TypedProperty<float>(ParseTokenAsFloat(*tok[4]));
     }
+    else if (!strcmp(cs, "ColorAndAlpha")) {
+        checkTokenCount(tok, 8);
+        return new TypedProperty<aiColor4D>(aiColor4D(
+            ParseTokenAsFloat(*tok[4]),
+            ParseTokenAsFloat(*tok[5]),
+            ParseTokenAsFloat(*tok[6]),
+            ParseTokenAsFloat(*tok[7]))
+        );
+    }
     return nullptr;
 }
 

code/AssetLib/glTF/glTFCommon.cpp

@@ -49,7 +49,9 @@ using namespace glTFCommon::Util;
 namespace Util {
 
 size_t DecodeBase64(const char *in, size_t inLength, uint8_t *&out) {
-    ai_assert(inLength % 4 == 0);
+    if (inLength % 4 != 0) {
+        throw DeadlyImportError("Invalid base64 encoded data: \"", std::string(in, std::min(size_t(32), inLength)), "\", length:", inLength);
+    }
 
     if (inLength < 4) {
         out = 0;

code/AssetLib/glTF/glTFCommon.h

@@ -249,7 +249,10 @@ inline char EncodeCharBase64(uint8_t b) {
 }
 
 inline uint8_t DecodeCharBase64(char c) {
-    return DATA<true>::tableDecodeBase64[size_t(c)]; // TODO faster with lookup table or ifs?
+    if (c & 0x80) {
+        throw DeadlyImportError("Invalid base64 char value: ", size_t(c));
+    }
+    return DATA<true>::tableDecodeBase64[size_t(c & 0x7F)]; // TODO faster with lookup table or ifs?
 }
 
 size_t DecodeBase64(const char *in, size_t inLength, uint8_t *&out);

code/AssetLib/glTF2/glTF2Asset.h

@@ -1124,6 +1124,14 @@ private:
     IOStream *OpenFile(std::string path, const char *mode, bool absolute = false);
 };
 
+inline std::string getContextForErrorMessages(const std::string &id, const std::string &name) {
+    std::string context = id;
+    if (!name.empty()) {
+        context += " (\"" + name + "\")";
+    }
+    return context;
+}
+
 } // namespace glTF2
 
 // Include the implementation of the methods

code/AssetLib/glTF2/glTF2Asset.inl

@@ -273,17 +273,21 @@ Ref<T> LazyDict<T>::Retrieve(unsigned int i) {
     }
 
     if (!mDict->IsArray()) {
-        throw DeadlyImportError("GLTF: Field is not an array \"", mDictId, "\"");
+        throw DeadlyImportError("GLTF: Field \"", mDictId, "\"  is not an array");
+    }
+
+    if (i >= mDict->Size()) {
+        throw DeadlyImportError("GLTF: Array index ", i, " is out of bounds (", mDict->Size(), ") for \"", mDictId, "\"");
     }
 
     Value &obj = (*mDict)[i];
 
     if (!obj.IsObject()) {
-        throw DeadlyImportError("GLTF: Object at index \"", to_string(i), "\" is not a JSON object");
+        throw DeadlyImportError("GLTF: Object at index ", i, " in array \"", mDictId, "\" is not a JSON object");
     }
 
     if (mRecursiveReferenceCheck.find(i) != mRecursiveReferenceCheck.end()) {
-        throw DeadlyImportError("GLTF: Object at index \"", to_string(i), "\" has recursive reference to itself");
+        throw DeadlyImportError("GLTF: Object at index ", i, " in array \"", mDictId, "\" has recursive reference to itself");
     }
     mRecursiveReferenceCheck.insert(i);
 
@@ -741,14 +745,6 @@ inline void CopyData(size_t count,
     }
 }
 
-inline std::string getContextForErrorMessages(const std::string& id, const std::string& name) {
-    std::string context = id;
-    if (!name.empty()) {
-        context += " (\"" + name + "\")";
-    }
-    return context;
-}
-
 } // namespace
 
 template <class T>
@@ -766,11 +762,12 @@ void Accessor::ExtractData(T *&outData) {
     const size_t targetElemSize = sizeof(T);
 
     if (elemSize > targetElemSize) {
-        throw DeadlyImportError("GLTF: elemSize > targetElemSize");
+        throw DeadlyImportError("GLTF: elemSize ", elemSize, " > targetElemSize ", targetElemSize, " in ", getContextForErrorMessages(id, name));
     }
 
-    if (count*stride > (bufferView ? bufferView->byteLength : sparse->data.size())) {
-        throw DeadlyImportError("GLTF: count*stride out of range");
+    const size_t maxSize = (bufferView ? bufferView->byteLength : sparse->data.size());
+    if (count*stride > maxSize) {
+        throw DeadlyImportError("GLTF: count*stride ", (count * stride), " > maxSize ", maxSize, " in ", getContextForErrorMessages(id, name));
     }
 
     outData = new T[count];

code/AssetLib/glTF2/glTF2Exporter.cpp

@@ -1126,7 +1126,7 @@ void glTF2Exporter::MergeMeshes()
                         unsigned int meshIndex = meshRef.GetIndex();
 
                         if (meshIndex == removedIndex) {
-                            node->meshes.erase(curNode->meshes.begin() + mm);
+                            curNode->meshes.erase(curNode->meshes.begin() + mm);
                         } else if (meshIndex > removedIndex) {
                             Ref<Mesh> newMeshRef = mAsset->meshes.Get(meshIndex - 1);
 

code/AssetLib/glTF2/glTF2Importer.cpp

@@ -918,7 +918,10 @@ aiNode *ImportNode(aiScene *pScene, glTF2::Asset &r, std::vector<unsigned int> &
 
     if (!node.meshes.empty()) {
         // GLTF files contain at most 1 mesh per node.
-        assert(node.meshes.size() == 1);
+        if (node.meshes.size() > 1)
+        {
+            throw DeadlyImportError("GLTF: Invalid input, found ", node.meshes.size(), " meshes in ", getContextForErrorMessages(node.id, node.name), ", but only 1 mesh per node allowed.");
+        }
         int mesh_idx = node.meshes[0].GetIndex();
         int count = meshOffsets[mesh_idx + 1] - meshOffsets[mesh_idx];
 

code/CMakeLists.txt

@@ -1033,7 +1033,10 @@ ELSE()
   INCLUDE_DIRECTORIES( "../contrib" )
   INCLUDE_DIRECTORIES( "../contrib/pugixml/src" )
   ADD_DEFINITIONS( -DRAPIDJSON_HAS_STDSTRING=1 )
-  ADD_DEFINITIONS( -DRAPIDJSON_NOMEMBERITERATORCLASS )
+  option( ASSIMP_RAPIDJSON_NO_MEMBER_ITERATOR "Suppress rapidjson warning on MSVC (NOTE: breaks android build)" ON )
+  if(ASSIMP_RAPIDJSON_NO_MEMBER_ITERATOR)
+    ADD_DEFINITIONS( -DRAPIDJSON_NOMEMBERITERATORCLASS )
+  endif()
 ENDIF()
 
 # VC2010 fixes

code/Common/ScenePreprocessor.cpp

@@ -96,8 +96,9 @@ void ScenePreprocessor::ProcessMesh(aiMesh *mesh) {
         if (!mesh->mTextureCoords[i]) {
             mesh->mNumUVComponents[i] = 0;
         } else {
-            if (!mesh->mNumUVComponents[i])
+            if (!mesh->mNumUVComponents[i]) {
                 mesh->mNumUVComponents[i] = 2;
+            }
 
             aiVector3D *p = mesh->mTextureCoords[i], *end = p + mesh->mNumVertices;
 
@@ -105,16 +106,19 @@ 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]) {
-                for (; p != end; ++p)
+                for (; p != end; ++p) {
                     p->z = 0.f;
+                }
             } else if (1 == mesh->mNumUVComponents[i]) {
-                for (; p != end; ++p)
+                for (; p != end; ++p) {
                     p->z = p->y = 0.f;
+                }
             } else if (3 == mesh->mNumUVComponents[i]) {
                 // Really 3D coordinates? Check whether the third coordinate is != 0 for at least one element
                 for (; p != end; ++p) {
-                    if (p->z != 0)
+                    if (p->z != 0) {
                         break;
+                    }
                 }
                 if (p == end) {
                     ASSIMP_LOG_WARN("ScenePreprocessor: UVs are declared to be 3D but they're obviously not. Reverting to 2D.");
@@ -151,7 +155,6 @@ void ScenePreprocessor::ProcessMesh(aiMesh *mesh) {
 
     // If tangents and normals are given but no bitangents compute them
     if (mesh->mTangents && mesh->mNormals && !mesh->mBitangents) {
-
         mesh->mBitangents = new aiVector3D[mesh->mNumVertices];
         for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
             mesh->mBitangents[i] = mesh->mNormals[i] ^ mesh->mTangents[i];
@@ -165,11 +168,9 @@ void ScenePreprocessor::ProcessAnimation(aiAnimation *anim) {
     for (unsigned int i = 0; i < anim->mNumChannels; ++i) {
         aiNodeAnim *channel = anim->mChannels[i];
 
-        /*  If the exact duration of the animation is not given
-         *  compute it now.
-         */
+        //  If the exact duration of the animation is not given
+        //  compute it now.
         if (anim->mDuration == -1.) {
-
             // Position keys
             for (unsigned int j = 0; j < channel->mNumPositionKeys; ++j) {
                 aiVectorKey &key = channel->mPositionKeys[j];
@@ -192,11 +193,10 @@ void ScenePreprocessor::ProcessAnimation(aiAnimation *anim) {
             }
         }
 
-        /*  Check whether the animation channel has no rotation
-         *  or position tracks. In this case we generate a dummy
-         *  track from the information we have in the transformation
-         *  matrix of the corresponding node.
-         */
+        // Check whether the animation channel has no rotation
+        // or position tracks. In this case we generate a dummy
+        // track from the information we have in the transformation
+        // matrix of the corresponding node.
         if (!channel->mNumRotationKeys || !channel->mNumPositionKeys || !channel->mNumScalingKeys) {
             // Find the node that belongs to this animation
             aiNode *node = scene->mRootNode->FindNode(channel->mNodeName);
@@ -210,6 +210,10 @@ void ScenePreprocessor::ProcessAnimation(aiAnimation *anim) {
 
                 // No rotation keys? Generate a dummy track
                 if (!channel->mNumRotationKeys) {
+                    if (channel->mRotationKeys) {
+                        delete[] channel->mRotationKeys;
+                        channel->mRotationKeys = nullptr;
+                    }
                     ai_assert(!channel->mRotationKeys);
                     channel->mNumRotationKeys = 1;
                     channel->mRotationKeys = new aiQuatKey[1];
@@ -225,6 +229,10 @@ void ScenePreprocessor::ProcessAnimation(aiAnimation *anim) {
 
                 // No scaling keys? Generate a dummy track
                 if (!channel->mNumScalingKeys) {
+                    if (channel->mScalingKeys) {
+                        delete[] channel->mScalingKeys;
+                        channel->mScalingKeys = nullptr;
+                    }
                     ai_assert(!channel->mScalingKeys);
                     channel->mNumScalingKeys = 1;
                     channel->mScalingKeys = new aiVectorKey[1];
@@ -240,6 +248,10 @@ void ScenePreprocessor::ProcessAnimation(aiAnimation *anim) {
 
                 // No position keys? Generate a dummy track
                 if (!channel->mNumPositionKeys) {
+                    if (channel->mPositionKeys) {
+                        delete[] channel->mPositionKeys;
+                        channel->mPositionKeys = nullptr;
+                    }
                     ai_assert(!channel->mPositionKeys);
                     channel->mNumPositionKeys = 1;
                     channel->mPositionKeys = new aiVectorKey[1];

code/PostProcessing/SplitByBoneCountProcess.cpp

@@ -408,6 +408,45 @@ void SplitByBoneCountProcess::SplitMesh( const aiMesh* pMesh, std::vector<aiMesh
             }
         }
 
+        // ... and copy all the morph targets for all the vertices which made it into the new submesh
+        if (pMesh->mNumAnimMeshes > 0) {
+            newMesh->mNumAnimMeshes = pMesh->mNumAnimMeshes;
+            newMesh->mAnimMeshes = new aiAnimMesh*[newMesh->mNumAnimMeshes];
+            
+            for (unsigned int morphIdx = 0; morphIdx < newMesh->mNumAnimMeshes; ++morphIdx) {
+                aiAnimMesh* origTarget = pMesh->mAnimMeshes[morphIdx];
+                aiAnimMesh* newTarget = new aiAnimMesh;
+                newTarget->mName = origTarget->mName;
+                newTarget->mWeight = origTarget->mWeight;
+                newTarget->mNumVertices = numSubMeshVertices;
+                newTarget->mVertices = new aiVector3D[numSubMeshVertices];
+                newMesh->mAnimMeshes[morphIdx] = newTarget;
+                
+                if (origTarget->HasNormals()) {
+                    newTarget->mNormals = new aiVector3D[numSubMeshVertices];
+                }
+                
+                if (origTarget->HasTangentsAndBitangents()) {
+                    newTarget->mTangents = new aiVector3D[numSubMeshVertices];
+                    newTarget->mBitangents = new aiVector3D[numSubMeshVertices];
+                }
+                
+                for( unsigned int vi = 0; vi < numSubMeshVertices; ++vi) {
+                    // find the source vertex for it in the source mesh
+                    unsigned int previousIndex = previousVertexIndices[vi];
+                    newTarget->mVertices[vi] = origTarget->mVertices[previousIndex];
+
+                    if (newTarget->HasNormals()) {
+                        newTarget->mNormals[vi] = origTarget->mNormals[previousIndex];
+                    }
+                    if (newTarget->HasTangentsAndBitangents()) {
+                        newTarget->mTangents[vi] = origTarget->mTangents[previousIndex];
+                        newTarget->mBitangents[vi] = origTarget->mBitangents[previousIndex];
+                    }
+                }
+            }
+        }
+
         // I have the strange feeling that this will break apart at some point in time...
     }
 }

contrib/Open3DGC/o3dgcSC3DMCDecoder.inl

@@ -27,10 +27,10 @@ THE SOFTWARE.
 #include "o3dgcArithmeticCodec.h"
 #include "o3dgcTimer.h"
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 #    pragma warning(push)
 #    pragma warning( disable : 4456)
-#endif // _WIN32
+#endif // _MSC_VER
 
 //#define DEBUG_VERBOSE
 
@@ -852,9 +852,9 @@ namespace o3dgc
     }
 } // namespace o3dgc
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 #    pragma warning( pop )
-#endif // _WIN32
+#endif // _MSC_VER
 
 #endif // O3DGC_SC3DMC_DECODER_INL
 

contrib/Open3DGC/o3dgcSC3DMCEncoder.inl

@@ -32,10 +32,10 @@ THE SOFTWARE.
 
 //#define DEBUG_VERBOSE
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 #    pragma warning(push)
 #    pragma warning(disable : 4456)
-#endif // _WIN32
+#endif // _MSC_VER
 
 namespace o3dgc
 {
@@ -927,9 +927,9 @@ namespace o3dgc
     }
 } // namespace o3dgc
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 #    pragma warning(pop)
-#endif // _WIN32
+#endif // _MSC_VER
 
 #endif // O3DGC_SC3DMC_ENCODER_INL
 

contrib/Open3DGC/o3dgcTimer.h

@@ -28,7 +28,9 @@ THE SOFTWARE.
 
 #ifdef _WIN32
 /* Thank you, Microsoft, for file WinDef.h with min/max redefinition. */
+#ifndef NOMINMAX
 #define NOMINMAX
+#endif
 #include <windows.h>
 #elif __APPLE__
 #include <mach/clock.h>

contrib/zip/src/zip.c

@@ -18,8 +18,10 @@
 /* Win32, DOS, MSVC, MSVS */
 #include <direct.h>
 
+#ifdef _MSC_VER
 #pragma warning(push)
 #pragma warning(disable : 4706)
+#endif // _MSC_VER
 
 #define MKDIR(DIRNAME) _mkdir(DIRNAME)
 #define STRCLONE(STR) ((STR) ? _strdup(STR) : NULL)
@@ -968,4 +970,6 @@ out:
   return status;
 }
 
+#ifdef _MSC_VER
 #pragma warning(pop)
+#endif // _MSC_VER

include/assimp/mesh.h

@@ -52,9 +52,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #pragma GCC system_header
 #endif
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 #pragma warning(disable : 4351)
-#endif // _WIN32
+#endif // _MSC_VER
 
 #include <assimp/aabb.h>
 #include <assimp/types.h>
@@ -458,8 +458,8 @@ struct aiAnimMesh {
      */
     unsigned int mNumVertices;
 
-    /** 
-     * Weight of the AnimMesh. 
+    /**
+     * Weight of the AnimMesh.
      */
     float mWeight;
 
@@ -713,8 +713,8 @@ struct aiMesh {
      *  Note! Currently only works with Collada loader.*/
     C_STRUCT aiAnimMesh **mAnimMeshes;
 
-    /** 
-     *  Method of morphing when animeshes are specified. 
+    /**
+     *  Method of morphing when animeshes are specified.
      */
     unsigned int mMethod;
 

port/AndroidJNI/README.md

@@ -14,6 +14,11 @@ To use this module please provide following cmake defines:
 
 "SOME_PATH" is a path to your cmake android toolchain script.
 
+
+The build script for this port is based on [android-cmake](https://github.com/taka-no-me/android-cmake).  
+See its documentation for more Android-specific cmake options (e.g. -DANDROID_ABI for the target ABI).
+Check [Asset-Importer-Docs](https://assimp-docs.readthedocs.io/en/latest/) for more information.
+
 ### Code ###
 A small example how to wrap assimp for Android:
 ```cpp

samples/SimpleTexturedDirectx11/SimpleTexturedDirectx11/TextureLoader.cpp

@@ -31,10 +31,16 @@
 #include <dxgiformat.h>
 #include <assert.h>
 
+#ifdef _MSC_VER
 #pragma warning(push)
 #pragma warning(disable : 4005)
+#endif // _MSC_VER
+
 #include <wincodec.h>
+
+#ifdef _MSC_VER
 #pragma warning(pop)
+#endif // _MSC_VER
 
 #include <memory>
 

samples/SimpleTexturedDirectx11/SimpleTexturedDirectx11/TextureLoader.h

@@ -31,10 +31,16 @@
 
 #include <d3d11.h>
 
+#ifdef _MSC_VER
 #pragma warning(push)
 #pragma warning(disable : 4005)
+#endif // _MSC_VER
+
 #include <stdint.h>
+
+#ifdef _MSC_VER
 #pragma warning(pop)
+#endif // _MSC_VER
 
 HRESULT CreateWICTextureFromMemory(_In_ ID3D11Device* d3dDevice,
 	_In_opt_ ID3D11DeviceContext* d3dContext,

samples/SimpleTexturedDirectx11/SimpleTexturedDirectx11/main.cpp

@@ -25,10 +25,12 @@
 #include "UTFConverter.h"
 #include "SafeRelease.hpp"
 
+#ifdef _MSC_VER
 #pragma comment (lib, "d3d11.lib")
 #pragma comment (lib, "Dxgi.lib")
 #pragma comment(lib,"d3dcompiler.lib")
 #pragma comment (lib, "dxguid.lib")
+#endif // _MSC_VER
 
 using namespace DirectX;
 using namespace AssimpSamples::SharedCode;

samples/SimpleTexturedOpenGL/SimpleTexturedOpenGL/src/model_loading.cpp

@@ -18,10 +18,16 @@
 #include <GL/gl.h>
 #include <GL/glu.h>
 
+#ifdef _MSC_VER
 #pragma warning(disable: 4100) // Disable warning 'unreferenced formal parameter'
+#endif // _MSC_VER
+
 #define STB_IMAGE_IMPLEMENTATION
 #include "contrib/stb_image/stb_image.h"
+
+#ifdef _MSC_VER
 #pragma warning(default: 4100) // Enable warning 'unreferenced formal parameter'
+#endif // _MSC_VER
 
 #include <fstream>
 

test/models/FBX/maxPbrMaterial_metalRough.fbx

@@ -0,0 +1,618 @@
+; FBX 7.7.0 project file
+; ----------------------------------------------------
+
+FBXHeaderExtension:  {
+	FBXHeaderVersion: 1004
+	FBXVersion: 7700
+	CreationTimeStamp:  {
+		Version: 1000
+		Year: 2020
+		Month: 12
+		Day: 1
+		Hour: 9
+		Minute: 35
+		Second: 57
+		Millisecond: 532
+	}
+	Creator: "FBX SDK/FBX Plugins version 2020.0.1"
+	OtherFlags:  {
+		TCDefinition: 127
+	}
+	SceneInfo: "SceneInfo::GlobalInfo", "UserData" {
+		Type: "UserData"
+		Version: 100
+		MetaData:  {
+			Version: 100
+			Title: ""
+			Subject: ""
+			Author: ""
+			Keywords: ""
+			Revision: ""
+			Comment: ""
+		}
+		Properties70:  {
+			P: "DocumentUrl", "KString", "Url", "", "G:\Temp\Max2021PbrMaterials\MaxPbrMaterial.fbx"
+			P: "SrcDocumentUrl", "KString", "Url", "", "G:\Temp\Max2021PbrMaterials\MaxPbrMaterial.fbx"
+			P: "Original", "Compound", "", ""
+			P: "Original|ApplicationVendor", "KString", "", "", "Autodesk"
+			P: "Original|ApplicationName", "KString", "", "", "3ds Max"
+			P: "Original|ApplicationVersion", "KString", "", "", "2021"
+			P: "Original|DateTime_GMT", "DateTime", "", "", "01/12/2020 09:35:57.532"
+			P: "Original|FileName", "KString", "", "", "G:\Temp\Max2021PbrMaterials\MaxPbrMaterial.fbx"
+			P: "LastSaved", "Compound", "", ""
+			P: "LastSaved|ApplicationVendor", "KString", "", "", "Autodesk"
+			P: "LastSaved|ApplicationName", "KString", "", "", "3ds Max"
+			P: "LastSaved|ApplicationVersion", "KString", "", "", "2021"
+			P: "LastSaved|DateTime_GMT", "DateTime", "", "", "01/12/2020 09:35:57.532"
+			P: "Original|ApplicationActiveProject", "KString", "", "", "C:\3ds Max 2021"
+			P: "Original|ApplicationNativeFile", "KString", "", "", "C;\3ds Max 2021\MaxPbrMaterial.max"
+		}
+	}
+}
+GlobalSettings:  {
+	Version: 1000
+	Properties70:  {
+		P: "UpAxis", "int", "Integer", "",1
+		P: "UpAxisSign", "int", "Integer", "",1
+		P: "FrontAxis", "int", "Integer", "",2
+		P: "FrontAxisSign", "int", "Integer", "",1
+		P: "CoordAxis", "int", "Integer", "",0
+		P: "CoordAxisSign", "int", "Integer", "",1
+		P: "OriginalUpAxis", "int", "Integer", "",2
+		P: "OriginalUpAxisSign", "int", "Integer", "",1
+		P: "UnitScaleFactor", "double", "Number", "",100
+		P: "OriginalUnitScaleFactor", "double", "Number", "",100.00000066
+		P: "AmbientColor", "ColorRGB", "Color", "",0,0,0
+		P: "DefaultCamera", "KString", "", "", "Producer Perspective"
+		P: "TimeMode", "enum", "", "",6
+		P: "TimeProtocol", "enum", "", "",2
+		P: "SnapOnFrameMode", "enum", "", "",0
+		P: "TimeSpanStart", "KTime", "Time", "",0
+		P: "TimeSpanStop", "KTime", "Time", "",153953860000
+		P: "CustomFrameRate", "double", "Number", "",-1
+		P: "TimeMarker", "Compound", "", ""
+		P: "CurrentTimeMarker", "int", "Integer", "",-1
+	}
+}
+
+; Documents Description
+;------------------------------------------------------------------
+
+Documents:  {
+	Count: 1
+	Document: 2188301813872, "", "Scene" {
+		Properties70:  {
+			P: "SourceObject", "object", "", ""
+			P: "ActiveAnimStackName", "KString", "", "", ""
+		}
+		RootNode: 0
+	}
+}
+
+; Document References
+;------------------------------------------------------------------
+
+References:  {
+}
+
+; Object definitions
+;------------------------------------------------------------------
+
+Definitions:  {
+	Version: 100
+	Count: 18
+	ObjectType: "GlobalSettings" {
+		Count: 1
+	}
+	ObjectType: "Model" {
+		Count: 1
+		PropertyTemplate: "FbxNode" {
+			Properties70:  {
+				P: "QuaternionInterpolate", "enum", "", "",0
+				P: "RotationOffset", "Vector3D", "Vector", "",0,0,0
+				P: "RotationPivot", "Vector3D", "Vector", "",0,0,0
+				P: "ScalingOffset", "Vector3D", "Vector", "",0,0,0
+				P: "ScalingPivot", "Vector3D", "Vector", "",0,0,0
+				P: "TranslationActive", "bool", "", "",0
+				P: "TranslationMin", "Vector3D", "Vector", "",0,0,0
+				P: "TranslationMax", "Vector3D", "Vector", "",0,0,0
+				P: "TranslationMinX", "bool", "", "",0
+				P: "TranslationMinY", "bool", "", "",0
+				P: "TranslationMinZ", "bool", "", "",0
+				P: "TranslationMaxX", "bool", "", "",0
+				P: "TranslationMaxY", "bool", "", "",0
+				P: "TranslationMaxZ", "bool", "", "",0
+				P: "RotationOrder", "enum", "", "",0
+				P: "RotationSpaceForLimitOnly", "bool", "", "",0
+				P: "RotationStiffnessX", "double", "Number", "",0
+				P: "RotationStiffnessY", "double", "Number", "",0
+				P: "RotationStiffnessZ", "double", "Number", "",0
+				P: "AxisLen", "double", "Number", "",10
+				P: "PreRotation", "Vector3D", "Vector", "",0,0,0
+				P: "PostRotation", "Vector3D", "Vector", "",0,0,0
+				P: "RotationActive", "bool", "", "",0
+				P: "RotationMin", "Vector3D", "Vector", "",0,0,0
+				P: "RotationMax", "Vector3D", "Vector", "",0,0,0
+				P: "RotationMinX", "bool", "", "",0
+				P: "RotationMinY", "bool", "", "",0
+				P: "RotationMinZ", "bool", "", "",0
+				P: "RotationMaxX", "bool", "", "",0
+				P: "RotationMaxY", "bool", "", "",0
+				P: "RotationMaxZ", "bool", "", "",0
+				P: "InheritType", "enum", "", "",0
+				P: "ScalingActive", "bool", "", "",0
+				P: "ScalingMin", "Vector3D", "Vector", "",0,0,0
+				P: "ScalingMax", "Vector3D", "Vector", "",1,1,1
+				P: "ScalingMinX", "bool", "", "",0
+				P: "ScalingMinY", "bool", "", "",0
+				P: "ScalingMinZ", "bool", "", "",0
+				P: "ScalingMaxX", "bool", "", "",0
+				P: "ScalingMaxY", "bool", "", "",0
+				P: "ScalingMaxZ", "bool", "", "",0
+				P: "GeometricTranslation", "Vector3D", "Vector", "",0,0,0
+				P: "GeometricRotation", "Vector3D", "Vector", "",0,0,0
+				P: "GeometricScaling", "Vector3D", "Vector", "",1,1,1
+				P: "MinDampRangeX", "double", "Number", "",0
+				P: "MinDampRangeY", "double", "Number", "",0
+				P: "MinDampRangeZ", "double", "Number", "",0
+				P: "MaxDampRangeX", "double", "Number", "",0
+				P: "MaxDampRangeY", "double", "Number", "",0
+				P: "MaxDampRangeZ", "double", "Number", "",0
+				P: "MinDampStrengthX", "double", "Number", "",0
+				P: "MinDampStrengthY", "double", "Number", "",0
+				P: "MinDampStrengthZ", "double", "Number", "",0
+				P: "MaxDampStrengthX", "double", "Number", "",0
+				P: "MaxDampStrengthY", "double", "Number", "",0
+				P: "MaxDampStrengthZ", "double", "Number", "",0
+				P: "PreferedAngleX", "double", "Number", "",0
+				P: "PreferedAngleY", "double", "Number", "",0
+				P: "PreferedAngleZ", "double", "Number", "",0
+				P: "LookAtProperty", "object", "", ""
+				P: "UpVectorProperty", "object", "", ""
+				P: "Show", "bool", "", "",1
+				P: "NegativePercentShapeSupport", "bool", "", "",1
+				P: "DefaultAttributeIndex", "int", "Integer", "",-1
+				P: "Freeze", "bool", "", "",0
+				P: "LODBox", "bool", "", "",0
+				P: "Lcl Translation", "Lcl Translation", "", "A",0,0,0
+				P: "Lcl Rotation", "Lcl Rotation", "", "A",0,0,0
+				P: "Lcl Scaling", "Lcl Scaling", "", "A",1,1,1
+				P: "Visibility", "Visibility", "", "A",1
+				P: "Visibility Inheritance", "Visibility Inheritance", "", "",1
+			}
+		}
+	}
+	ObjectType: "Geometry" {
+		Count: 1
+		PropertyTemplate: "FbxMesh" {
+			Properties70:  {
+				P: "Color", "ColorRGB", "Color", "",0.8,0.8,0.8
+				P: "BBoxMin", "Vector3D", "Vector", "",0,0,0
+				P: "BBoxMax", "Vector3D", "Vector", "",0,0,0
+				P: "Primary Visibility", "bool", "", "",1
+				P: "Casts Shadows", "bool", "", "",1
+				P: "Receive Shadows", "bool", "", "",1
+			}
+		}
+	}
+	ObjectType: "Material" {
+		Count: 1
+		PropertyTemplate: "FbxSurfaceMaterial" {
+			Properties70:  {
+				P: "ShadingModel", "KString", "", "", "Unknown"
+				P: "MultiLayer", "bool", "", "",0
+			}
+		}
+	}
+	ObjectType: "Texture" {
+		Count: 7
+		PropertyTemplate: "FbxFileTexture" {
+			Properties70:  {
+				P: "TextureTypeUse", "enum", "", "",0
+				P: "Texture alpha", "Number", "", "A",1
+				P: "CurrentMappingType", "enum", "", "",0
+				P: "WrapModeU", "enum", "", "",0
+				P: "WrapModeV", "enum", "", "",0
+				P: "UVSwap", "bool", "", "",0
+				P: "PremultiplyAlpha", "bool", "", "",1
+				P: "Translation", "Vector", "", "A",0,0,0
+				P: "Rotation", "Vector", "", "A",0,0,0
+				P: "Scaling", "Vector", "", "A",1,1,1
+				P: "TextureRotationPivot", "Vector3D", "Vector", "",0,0,0
+				P: "TextureScalingPivot", "Vector3D", "Vector", "",0,0,0
+				P: "CurrentTextureBlendMode", "enum", "", "",1
+				P: "UVSet", "KString", "", "", "default"
+				P: "UseMaterial", "bool", "", "",0
+				P: "UseMipMap", "bool", "", "",0
+			}
+		}
+	}
+	ObjectType: "Video" {
+		Count: 7
+		PropertyTemplate: "FbxVideo" {
+			Properties70:  {
+				P: "Path", "KString", "XRefUrl", "", ""
+				P: "RelPath", "KString", "XRefUrl", "", ""
+				P: "Color", "ColorRGB", "Color", "",0.8,0.8,0.8
+				P: "ClipIn", "KTime", "Time", "",0
+				P: "ClipOut", "KTime", "Time", "",0
+				P: "Offset", "KTime", "Time", "",0
+				P: "PlaySpeed", "double", "Number", "",0
+				P: "FreeRunning", "bool", "", "",0
+				P: "Loop", "bool", "", "",0
+				P: "Mute", "bool", "", "",0
+				P: "AccessMode", "enum", "", "",0
+				P: "ImageSequence", "bool", "", "",0
+				P: "ImageSequenceOffset", "int", "Integer", "",0
+				P: "FrameRate", "double", "Number", "",0
+				P: "LastFrame", "int", "Integer", "",0
+				P: "Width", "int", "Integer", "",0
+				P: "Height", "int", "Integer", "",0
+				P: "StartFrame", "int", "Integer", "",0
+				P: "StopFrame", "int", "Integer", "",0
+				P: "InterlaceMode", "enum", "", "",0
+			}
+		}
+	}
+}
+
+; Object properties
+;------------------------------------------------------------------
+
+Objects:  {
+	Geometry: 2188426094640, "Geometry::", "Mesh" {
+		Properties70:  {
+			P: "Color", "ColorRGB", "Color", "",0.341176470588235,0.882352941176471,0.776470588235294
+		}
+		Vertices: *24 {
+			a: -8.91135215759277,-10.98219871521,0,8.91135215759277,-10.98219871521,0,-8.91135215759277,10.98219871521,0,8.91135215759277,10.98219871521,0,-8.91135215759277,-10.98219871521,16.787576675415,8.91135215759277,-10.98219871521,16.787576675415,-8.91135215759277,10.98219871521,16.787576675415,8.91135215759277,10.98219871521,16.787576675415
+		} 
+		PolygonVertexIndex: *24 {
+			a: 0,2,3,-2,4,5,7,-7,0,1,5,-5,1,3,7,-6,3,2,6,-8,2,0,4,-7
+		} 
+		Edges: *12 {
+			a: 0,1,2,3,4,5,6,7,9,11,13,17
+		} 
+		GeometryVersion: 124
+		LayerElementNormal: 0 {
+			Version: 102
+			Name: ""
+			MappingInformationType: "ByPolygonVertex"
+			ReferenceInformationType: "Direct"
+			Normals: *72 {
+				a: 0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0
+			} 
+			NormalsW: *24 {
+				a: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+			} 
+		}
+		LayerElementUV: 0 {
+			Version: 101
+			Name: "UVChannel_1"
+			MappingInformationType: "ByPolygonVertex"
+			ReferenceInformationType: "IndexToDirect"
+			UV: *48 {
+				a: 1,0,0,0,1,1,0,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1
+			} 
+			UVIndex: *24 {
+				a: 0,2,3,1,4,5,7,6,8,9,11,10,12,13,15,14,16,17,19,18,20,21,23,22
+			} 
+		}
+		LayerElementMaterial: 0 {
+			Version: 101
+			Name: ""
+			MappingInformationType: "AllSame"
+			ReferenceInformationType: "IndexToDirect"
+			Materials: *1 {
+				a: 0
+			} 
+		}
+		Layer: 0 {
+			Version: 100
+			LayerElement:  {
+				Type: "LayerElementNormal"
+				TypedIndex: 0
+			}
+			LayerElement:  {
+				Type: "LayerElementMaterial"
+				TypedIndex: 0
+			}
+			LayerElement:  {
+				Type: "LayerElementUV"
+				TypedIndex: 0
+			}
+		}
+	}
+	Model: 2187845653184, "Model::Box001", "Mesh" {
+		Version: 232
+		Properties70:  {
+			P: "PreRotation", "Vector3D", "Vector", "",-90,-0,0
+			P: "RotationActive", "bool", "", "",1
+			P: "InheritType", "enum", "", "",1
+			P: "ScalingMax", "Vector3D", "Vector", "",0,0,0
+			P: "DefaultAttributeIndex", "int", "Integer", "",0
+			P: "Lcl Translation", "Lcl Translation", "", "A",0.570660591125488,0,-0.671265125274658
+			P: "MaxHandle", "int", "Integer", "UH",2
+		}
+		Shading: T
+		Culling: "CullingOff"
+	}
+	Material: 2188102329504, "Material::PBR Material", "" {
+		Version: 102
+		ShadingModel: "unknown"
+		MultiLayer: 0
+		Properties70:  {
+			P: "ShadingModel", "KString", "", "", "unknown"
+			P: "AmbientColor", "ColorRGB", "Color", "",0,1,1
+			P: "DiffuseColor", "ColorRGB", "Color", "",0,1,1
+			P: "SpecularColor", "ColorRGB", "Color", "",0.75,1,1
+			P: "SpecularFactor", "double", "Number", "",2.25
+			P: "ShininessExponent", "double", "Number", "",32
+			P: "TransparencyFactor", "double", "Number", "",0
+			P: "EmissiveColor", "ColorRGB", "Color", "",3.14159274101257,3.14159250259399,0
+			P: "EmissiveFactor", "double", "Number", "",1
+			P: "3dsMax", "Compound", "", ""
+			P: "3dsMax|ClassIDa", "int", "Integer", "",-804315648
+			P: "3dsMax|ClassIDb", "int", "Integer", "",-1099438848
+			P: "3dsMax|SuperClassID", "int", "Integer", "",3072
+			P: "3dsMax|settings", "Compound", "", ""
+			P: "3dsMax|settings|ao_affects_diffuse", "Bool", "", "A",1
+			P: "3dsMax|settings|ao_affects_reflection", "Bool", "", "A",1
+			P: "3dsMax|settings|normal_flip_red", "Bool", "", "A",0
+			P: "3dsMax|settings|normal_flip_green", "Bool", "", "A",0
+			P: "3dsMax|main", "Compound", "", ""
+			P: "3dsMax|main|basecolor", "ColorAndAlpha", "", "A",0,1,1,1
+			P: "3dsMax|main|base_color_map", "Reference", "", "A"
+			P: "3dsMax|main|metalness", "Float", "", "A",0.25
+			P: "3dsMax|main|metalness_map", "Reference", "", "A"
+			P: "3dsMax|main|roughness", "Float", "", "A",0.5
+			P: "3dsMax|main|roughness_map", "Reference", "", "A"
+			P: "3dsMax|main|useGlossiness", "Integer", "", "A",2
+			P: "3dsMax|main|ao_map", "Reference", "", "A"
+			P: "3dsMax|main|bump_map_amt", "Float", "", "A",0.75
+			P: "3dsMax|main|norm_map", "Reference", "", "A"
+			P: "3dsMax|main|emit_color", "ColorAndAlpha", "", "A",1,1,0,1
+			P: "3dsMax|main|emit_color_map", "Reference", "", "A"
+			P: "3dsMax|main|opacity_map", "Reference", "", "A"
+		}
+	}
+	Video: 2188262711712, "Video::Albedo", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\albedo.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\albedo.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\albedo.png"
+		RelativeFilename: "Textures\albedo.png"
+	}
+	Video: 2188262695872, "Video::Metalness", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\metalness.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\metalness.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\metalness.png"
+		RelativeFilename: "Textures\metalness.png"
+	}
+	Video: 2188262686752, "Video::Roughness", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\roughness.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\roughness.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\roughness.png"
+		RelativeFilename: "Textures\roughness.png"
+	}
+	Video: 2188262700672, "Video::Occlusion", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\occlusion.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\occlusion.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\occlusion.png"
+		RelativeFilename: "Textures\occlusion.png"
+	}
+	Video: 2188262708832, "Video::Normal", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\normal.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\normal.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\normal.png"
+		RelativeFilename: "Textures\normal.png"
+	}
+	Video: 2188262712672, "Video::Emission", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\emission.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\emission.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\emission.png"
+		RelativeFilename: "Textures\emission.png"
+	}
+	Video: 2188262696352, "Video::Opacity", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\opacity.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\opacity.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\opacity.png"
+		RelativeFilename: "Textures\opacity.png"
+	}
+	Texture: 2188262656992, "Texture::Albedo", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Albedo"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Albedo"
+		FileName: "Textures\albedo.png"
+		RelativeFilename: "Textures\albedo.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262678592, "Texture::Metalness", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Metalness"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Metalness"
+		FileName: "Textures\metalness.png"
+		RelativeFilename: "Textures\metalness.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262682432, "Texture::Roughness", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Roughness"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Roughness"
+		FileName: "Textures\roughness.png"
+		RelativeFilename: "Textures\roughness.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262656032, "Texture::Occlusion", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Occlusion"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Occlusion"
+		FileName: "Textures\occlusion.png"
+		RelativeFilename: "Textures\occlusion.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262659392, "Texture::Normal", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Normal"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Normal"
+		FileName: "Textures\normal.png"
+		RelativeFilename: "Textures\normal.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262700192, "Texture::Emission", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Emission"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Emission"
+		FileName: "Textures\emission.png"
+		RelativeFilename: "Textures\emission.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262684832, "Texture::Opacity", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Opacity"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Opacity"
+		FileName: "Textures\opacity.png"
+		RelativeFilename: "Textures\opacity.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+}
+
+; Object connections
+;------------------------------------------------------------------
+
+Connections:  {
+	
+	;Model::Box001, Model::RootNode
+	C: "OO",2187845653184,0
+	
+	;Geometry::, Model::Box001
+	C: "OO",2188426094640,2187845653184
+	
+	;Material::PBR Material, Model::Box001
+	C: "OO",2188102329504,2187845653184
+	
+	;Texture::Albedo, Material::PBR Material
+	C: "OP",2188262656992,2188102329504, "3dsMax|main|base_color_map"
+	
+	;Texture::Metalness, Material::PBR Material
+	C: "OP",2188262678592,2188102329504, "3dsMax|main|metalness_map"
+	
+	;Texture::Roughness, Material::PBR Material
+	C: "OP",2188262682432,2188102329504, "3dsMax|main|roughness_map"
+	
+	;Texture::Occlusion, Material::PBR Material
+	C: "OP",2188262656032,2188102329504, "3dsMax|main|ao_map"
+	
+	;Texture::Normal, Material::PBR Material
+	C: "OP",2188262659392,2188102329504, "3dsMax|main|norm_map"
+	
+	;Texture::Emission, Material::PBR Material
+	C: "OP",2188262700192,2188102329504, "3dsMax|main|emit_color_map"
+	
+	;Texture::Opacity, Material::PBR Material
+	C: "OP",2188262684832,2188102329504, "3dsMax|main|opacity_map"
+	
+	;Video::Albedo, Texture::Albedo
+	C: "OO",2188262711712,2188262656992
+	
+	;Video::Metalness, Texture::Metalness
+	C: "OO",2188262695872,2188262678592
+	
+	;Video::Roughness, Texture::Roughness
+	C: "OO",2188262686752,2188262682432
+	
+	;Video::Occlusion, Texture::Occlusion
+	C: "OO",2188262700672,2188262656032
+	
+	;Video::Normal, Texture::Normal
+	C: "OO",2188262708832,2188262659392
+	
+	;Video::Emission, Texture::Emission
+	C: "OO",2188262712672,2188262700192
+	
+	;Video::Opacity, Texture::Opacity
+	C: "OO",2188262696352,2188262684832
+}

test/models/FBX/maxPbrMaterial_specGloss.fbx

@@ -0,0 +1,618 @@
+; FBX 7.7.0 project file
+; ----------------------------------------------------
+
+FBXHeaderExtension:  {
+	FBXHeaderVersion: 1004
+	FBXVersion: 7700
+	CreationTimeStamp:  {
+		Version: 1000
+		Year: 2020
+		Month: 12
+		Day: 1
+		Hour: 11
+		Minute: 50
+		Second: 44
+		Millisecond: 89
+	}
+	Creator: "FBX SDK/FBX Plugins version 2020.0.1"
+	OtherFlags:  {
+		TCDefinition: 127
+	}
+	SceneInfo: "SceneInfo::GlobalInfo", "UserData" {
+		Type: "UserData"
+		Version: 100
+		MetaData:  {
+			Version: 100
+			Title: ""
+			Subject: ""
+			Author: ""
+			Keywords: ""
+			Revision: ""
+			Comment: ""
+		}
+		Properties70:  {
+			P: "DocumentUrl", "KString", "Url", "", "C:\3ds Max 2021\maxPbrMaterial_specGloss.fbx"
+			P: "SrcDocumentUrl", "KString", "Url", "", "C:\3ds Max 2021\maxPbrMaterial_specGloss.fbx"
+			P: "Original", "Compound", "", ""
+			P: "Original|ApplicationVendor", "KString", "", "", "Autodesk"
+			P: "Original|ApplicationName", "KString", "", "", "3ds Max"
+			P: "Original|ApplicationVersion", "KString", "", "", "2021"
+			P: "Original|DateTime_GMT", "DateTime", "", "", "01/12/2020 11:50:44.088"
+			P: "Original|FileName", "KString", "", "", "C:\3ds Max 2021\maxPbrMaterial_specGloss.fbx"
+			P: "LastSaved", "Compound", "", ""
+			P: "LastSaved|ApplicationVendor", "KString", "", "", "Autodesk"
+			P: "LastSaved|ApplicationName", "KString", "", "", "3ds Max"
+			P: "LastSaved|ApplicationVersion", "KString", "", "", "2021"
+			P: "LastSaved|DateTime_GMT", "DateTime", "", "", "01/12/2020 11:50:44.088"
+			P: "Original|ApplicationActiveProject", "KString", "", "", "C:\3ds Max 2021"
+			P: "Original|ApplicationNativeFile", "KString", "", "", "C:\3ds Max 2021\MaxPbrMaterial2.max"
+		}
+	}
+}
+GlobalSettings:  {
+	Version: 1000
+	Properties70:  {
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+		P: "UpAxisSign", "int", "Integer", "",1
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+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Opacity"
+		FileName: "Textures\opacity.png"
+		RelativeFilename: "Textures\opacity.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+}
+
+; Object connections
+;------------------------------------------------------------------
+
+Connections:  {
+	
+	;Model::Box001, Model::RootNode
+	C: "OO",2188763600256,0
+	
+	;Geometry::, Model::Box001
+	C: "OO",2188631051296,2188763600256
+	
+	;Material::02 - Default, Model::Box001
+	C: "OO",2188661245104,2188763600256
+	
+	;Texture::Albedo, Material::02 - Default
+	C: "OP",2188262484672,2188661245104, "3dsMax|main|base_color_map"
+	
+	;Texture::Specular, Material::02 - Default
+	C: "OP",2188262499552,2188661245104, "3dsMax|main|specular_map"
+	
+	;Texture::Glossiness, Material::02 - Default
+	C: "OP",2188262475552,2188661245104, "3dsMax|main|glossiness_map"
+	
+	;Texture::Occlusion, Material::02 - Default
+	C: "OP",2188262480352,2188661245104, "3dsMax|main|ao_map"
+	
+	;Texture::Normal, Material::02 - Default
+	C: "OP",2188262482752,2188661245104, "3dsMax|main|norm_map"
+	
+	;Texture::Emission, Material::02 - Default
+	C: "OP",2188262481312,2188661245104, "3dsMax|main|emit_color_map"
+	
+	;Texture::Opacity, Material::02 - Default
+	C: "OP",2188262469792,2188661245104, "3dsMax|main|opacity_map"
+	
+	;Video::Albedo, Texture::Albedo
+	C: "OO",2188262470272,2188262484672
+	
+	;Video::Specular, Texture::Specular
+	C: "OO",2188262470752,2188262499552
+	
+	;Video::Glossiness, Texture::Glossiness
+	C: "OO",2188262476032,2188262475552
+	
+	;Video::Occlusion, Texture::Occlusion
+	C: "OO",2188262483232,2188262480352
+	
+	;Video::Normal, Texture::Normal
+	C: "OO",2188262486112,2188262482752
+	
+	;Video::Emission, Texture::Emission
+	C: "OO",2188262486592,2188262481312
+	
+	;Video::Opacity, Texture::Opacity
+	C: "OO",2188262687712,2188262469792
+}

test/unit/utFBXImporterExporter.cpp

@@ -317,3 +317,109 @@ TEST_F(utFBXImporterExporter, importCubesWithOutOfRangeFloat) {
     ASSERT_NE(nullptr, scene);
     ASSERT_TRUE(scene->mRootNode);
 }
+
+TEST_F(utFBXImporterExporter, importMaxPbrMaterialsMetalRoughness) {
+    Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/FBX/maxPbrMaterial_metalRough.fbx", aiProcess_ValidateDataStructure);
+    ASSERT_NE(nullptr, scene);
+    ASSERT_TRUE(scene->mRootNode);
+
+    ASSERT_EQ(scene->mNumMaterials, 1);
+    const aiMaterial* mat = scene->mMaterials[0];
+    aiString texture;
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_BASE_COLOR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\albedo.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_METALNESS, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\metalness.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_EMISSION_COLOR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\emission.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_NORMAL_CAMERA, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\normal.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE_ROUGHNESS, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\roughness.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_AMBIENT_OCCLUSION, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\occlusion.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_OPACITY, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\opacity.png"));
+
+    // The material contains values for standard properties (e.g. SpecularColor), where 3ds Max has presumably
+    // used formulas to map the Pbr values into the standard material model. However, the pbr values themselves
+    // are available in the material as untyped "raw" properties. We check that these are correctly parsed:
+
+    aiColor4D baseColor;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|basecolor", aiTextureType_NONE, 0, baseColor), aiReturn_SUCCESS);
+    EXPECT_EQ(baseColor, aiColor4D(0, 1, 1, 1));
+
+    float metalness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|metalness", aiTextureType_NONE, 0, metalness), aiReturn_SUCCESS);
+    EXPECT_EQ(metalness, 0.25f);
+
+    float roughness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|roughness", aiTextureType_NONE, 0, roughness), aiReturn_SUCCESS);
+    EXPECT_EQ(roughness, 0.5f);
+
+    int useGlossiness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|useGlossiness", aiTextureType_NONE, 0, useGlossiness), aiReturn_SUCCESS);
+    EXPECT_EQ(useGlossiness, 2); // 1 = Roughness map is glossiness, 2 = Roughness map is roughness.
+
+    float bumpMapAmt; // Presumably amount.
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|bump_map_amt", aiTextureType_NONE, 0, bumpMapAmt), aiReturn_SUCCESS);
+    EXPECT_EQ(bumpMapAmt, 0.75f);
+    
+    aiColor4D emitColor;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|emit_color", aiTextureType_NONE, 0, emitColor), aiReturn_SUCCESS);
+    EXPECT_EQ(emitColor, aiColor4D(1, 1, 0, 1));
+}
+
+TEST_F(utFBXImporterExporter, importMaxPbrMaterialsSpecularGloss) {
+    Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/FBX/maxPbrMaterial_specGloss.fbx", aiProcess_ValidateDataStructure);
+    ASSERT_NE(nullptr, scene);
+    ASSERT_TRUE(scene->mRootNode);
+
+    ASSERT_EQ(scene->mNumMaterials, 1);
+    const aiMaterial* mat = scene->mMaterials[0];
+    aiString texture;
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_BASE_COLOR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\albedo.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_SPECULAR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\specular.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_EMISSION_COLOR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\emission.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_NORMAL_CAMERA, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\normal.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_SHININESS, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\glossiness.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_AMBIENT_OCCLUSION, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\occlusion.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_OPACITY, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\opacity.png"));
+
+    // The material contains values for standard properties (e.g. SpecularColor), where 3ds Max has presumably
+    // used formulas to map the Pbr values into the standard material model. However, the pbr values themselves
+    // are available in the material as untyped "raw" properties. We check that these are correctly parsed:
+
+    aiColor4D baseColor;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|basecolor", aiTextureType_NONE, 0, baseColor), aiReturn_SUCCESS);
+    EXPECT_EQ(baseColor, aiColor4D(0, 1, 1, 1));
+
+    aiColor4D specular;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|Specular", aiTextureType_NONE, 0, specular), aiReturn_SUCCESS);
+    EXPECT_EQ(specular, aiColor4D(1, 1, 0, 1));
+
+    float glossiness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|glossiness", aiTextureType_NONE, 0, glossiness), aiReturn_SUCCESS);
+    EXPECT_EQ(glossiness, 0.33f);
+
+    int useGlossiness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|useGlossiness", aiTextureType_NONE, 0, useGlossiness), aiReturn_SUCCESS);
+    EXPECT_EQ(useGlossiness, 1); // 1 = Glossiness map is glossiness, 2 = Glossiness map is roughness.
+
+    float bumpMapAmt; // Presumably amount.
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|bump_map_amt", aiTextureType_NONE, 0, bumpMapAmt), aiReturn_SUCCESS);
+    EXPECT_EQ(bumpMapAmt, 0.66f);
+    
+    aiColor4D emitColor;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|emit_color", aiTextureType_NONE, 0, emitColor), aiReturn_SUCCESS);
+    EXPECT_EQ(emitColor, aiColor4D(1, 0, 1, 1));
+}