Fixed a few GLTF importer/exporter bugs

CMakeLists.txt

@@ -269,9 +269,13 @@ option ( ASSIMP_BUILD_ASSIMP_TOOLS
   ON
 )
 IF ( ASSIMP_BUILD_ASSIMP_TOOLS )
-  IF ( WIN32 AND DirectX_FOUND )
-    ADD_SUBDIRECTORY( tools/assimp_view/ )
-  ENDIF ( WIN32 AND DirectX_FOUND )
+  IF ( WIN32 )
+    option ( ASSIMP_BUILD_ASSIMP_VIEW "If the Assimp view tool is built. (requires DirectX)" ${DirectX_FOUND} )
+    IF ( ASSIMP_BUILD_ASSIMP_VIEW )
+      ADD_SUBDIRECTORY( tools/assimp_view/ )
+    ENDIF ( ASSIMP_BUILD_ASSIMP_VIEW )
+  ENDIF ( WIN32 )
+  
   ADD_SUBDIRECTORY( tools/assimp_cmd/ )
 ENDIF ( ASSIMP_BUILD_ASSIMP_TOOLS )
 

code/CMakeLists.txt

@@ -446,6 +446,9 @@ ADD_ASSIMP_IMPORTER(IFC
   STEPFileEncoding.cpp
   STEPFileEncoding.h
 )
+if (MSVC AND ASSIMP_BUILD_IFC_IMPORTER)
+  set_source_files_properties(IFCReaderGen.cpp PROPERTIES COMPILE_FLAGS "/bigobj")
+endif (MSVC AND ASSIMP_BUILD_IFC_IMPORTER)
 
 ADD_ASSIMP_IMPORTER(XGL
   XGLLoader.cpp

code/glTFAsset.h

@@ -754,12 +754,12 @@ namespace glTF
         virtual void WriteObjects(AssetWriter& writer) = 0;
     };
 
-    //! (Stub class that is specialized in glTFAssetWriter.h)
     template<class T>
-    struct LazyDictWriter
-    {
-        static void Write(T& d, AssetWriter& w) {}
-    };
+    class LazyDict;
+
+    //! (Implemented in glTFAssetWriter.h)
+    template<class T>
+    void WriteLazyDict(LazyDict<T>& d, AssetWriter& w);
 
     //! Manages lazy loading of the glTF top-level objects, and keeps a reference to them by ID
     //! It is the owner the loaded objects, so when it is destroyed it also deletes them
@@ -782,7 +782,7 @@ namespace glTF
         void DetachFromDocument();
 
         void WriteObjects(AssetWriter& writer)
-            { LazyDictWriter< LazyDict >::Write(*this, writer); }
+            { WriteLazyDict<T>(*this, writer); }
 
         Ref<T> Add(T* obj);
 
@@ -810,14 +810,14 @@ namespace glTF
     {
         std::string copyright; //!< A copyright message suitable for display to credit the content creator.
         std::string generator; //!< Tool that generated this glTF model.Useful for debugging.
-        bool premultipliedAlpha; //!< Specifies if the shaders were generated with premultiplied alpha. (default: false)
+        bool premultipliedAlpha = false; //!< Specifies if the shaders were generated with premultiplied alpha. (default: false)
 
         struct {
             std::string api;     //!< Specifies the target rendering API (default: "WebGL")
             std::string version; //!< Specifies the target rendering API (default: "1.0.3")
         } profile; //!< Specifies the target rendering API and version, e.g., WebGL 1.0.3. (default: {})
 
-        int version; //!< The glTF format version (should be 1)
+        int version = 0; //!< The glTF format version (should be 1)
 
         void Read(Document& doc);
     };
@@ -894,6 +894,7 @@ namespace glTF
     public:
         Asset(IOSystem* io = 0)
             : mIOSystem(io)
+            , asset()
             , accessors     (*this, "accessors")
             , animations    (*this, "animations")
             , buffers       (*this, "buffers")
@@ -913,7 +914,6 @@ namespace glTF
             , lights        (*this, "lights", "KHR_materials_common")
         {
             memset(&extensionsUsed, 0, sizeof(extensionsUsed));
-            memset(&asset, 0, sizeof(asset));
         }
 
         //! Main function

code/glTFAsset.inl

@@ -71,11 +71,11 @@ namespace {
     }};
 
     template<> struct ReadHelper<const char*> { static bool Read(Value& val, const char*& out) {
-        return val.IsString() ? out = val.GetString(), true : false;
+        return val.IsString() ? (out = val.GetString(), true) : false;
     }};
 
     template<> struct ReadHelper<std::string> { static bool Read(Value& val, std::string& out) {
-        return val.IsString() ? out = val.GetString(), true : false;
+        return val.IsString() ? (out = std::string(val.GetString(), val.GetStringLength()), true) : false;
     }};
 
     template<class T> struct ReadHelper< Nullable<T> > { static bool Read(Value& val, Nullable<T>& out) {
@@ -842,7 +842,7 @@ inline void AssetMetadata::Read(Document& doc)
 
     if (version != 1) {
         char msg[128];
-		ai_snprintf(msg, 128, "Unsupported glTF version: %d", version);
+        ai_snprintf(msg, 128, "Unsupported glTF version: %d", version);
         throw DeadlyImportError(msg);
     }
 }
@@ -1013,30 +1013,26 @@ inline std::string Asset::FindUniqueID(const std::string& str, const char* suffi
 {
     std::string id = str;
 
-    Asset::IdMap::iterator it;
+    if (!id.empty()) {
+        if (mUsedIds.find(id) == mUsedIds.end())
+            return id;
 
-    do {
-        if (!id.empty()) {
-            it = mUsedIds.find(id);
-            if (it == mUsedIds.end()) break;
+        id += "_";
+    }
 
-            id += "_";
-        }
+    id += suffix;
 
-        id += suffix;
+    Asset::IdMap::iterator it = mUsedIds.find(id);
+    if (it == mUsedIds.end())
+        return id;
 
+    char buffer[256];
+    int offset = ai_snprintf(buffer, sizeof(buffer), "%s_", id.c_str());
+    for (int i = 0; it != mUsedIds.end(); ++i) {
+        ai_snprintf(buffer + offset, sizeof(buffer) - offset, "%d", i);
+        id = buffer;
         it = mUsedIds.find(id);
-        if (it == mUsedIds.end()) break;
-
-        char buffer[256];
-        int offset = ai_snprintf(buffer, 256, "%s_", id.c_str());
-        for (int i = 0; it != mUsedIds.end(); ++i) {
-			ai_snprintf(buffer + offset, 256, "%d", i);
-
-            id = buffer;
-            it = mUsedIds.find(id);
-        }
-    } while (false); // fake loop to allow using "break"
+    }
     
     return id;
 }

code/glTFAssetWriter.h

@@ -58,7 +58,7 @@ using rapidjson::MemoryPoolAllocator;
 class AssetWriter
 {
     template<class T>
-    friend struct LazyDictWriter;
+    friend void WriteLazyDict(LazyDict<T>& d, AssetWriter& w);
 
 private:
 

code/glTFAssetWriter.inl

@@ -484,13 +484,10 @@ namespace glTF {
     }
 
     template<class T>
-    struct LazyDictWriter< LazyDict<T> >
+    void WriteLazyDict(LazyDict<T>& d, AssetWriter& w)
     {
-        static void Write(LazyDict<T>& d, AssetWriter& w)
-        {
-            w.WriteObjects(d);
-        }
-    };
+        w.WriteObjects(d);
+    }
 
 }
 

code/glTFImporter.cpp

@@ -50,6 +50,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <assimp/DefaultLogger.hpp>
 #include <memory>
 
+#include "MakeVerboseFormat.h"
+
 #include "glTFAsset.h"
 
 using namespace Assimp;
@@ -617,7 +619,10 @@ void glTFImporter::InternReadFile(const std::string& pFile, aiScene* pScene, IOS
     ImportNodes(asset);
 
     // TODO: it does not split the loaded vertices, should it?
-    pScene->mFlags |= AI_SCENE_FLAGS_NON_VERBOSE_FORMAT;
+    //pScene->mFlags |= AI_SCENE_FLAGS_NON_VERBOSE_FORMAT;
+    Assimp::MakeVerboseFormatProcess process;
+    process.Execute(pScene);
+    
 
     if (pScene->mNumMeshes == 0) {
         pScene->mFlags |= AI_SCENE_FLAGS_INCOMPLETE;