extra callback

code/AssetLib/glTF2/glTF2Asset.h

@@ -1,4 +1,4 @@
-/*
+/*
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
@@ -1006,6 +1006,7 @@ public:
     } extensionsRequired;
 
     AssetMetadata asset;
+    Value* extras = nullptr;
 
     // Dictionaries for each type of object
 

code/AssetLib/glTF2/glTF2AssetWriter.inl

@@ -1,4 +1,4 @@
-/*
+/*
 Open Asset Import Library (assimp)
 ----------------------------------------------------------------------
 
@@ -600,6 +600,10 @@ namespace glTF2 {
         if (mAsset.scene) {
             mDoc.AddMember("scene", mAsset.scene->index, mAl);
         }
+        
+        if(mAsset.extras) {
+            mDoc.AddMember("extras", *mAsset.extras, mAl);
+        }
     }
 
     inline void AssetWriter::WriteFile(const char* path)

code/AssetLib/glTF2/glTF2Exporter.cpp

@@ -116,17 +116,11 @@ glTF2Exporter::glTF2Exporter(const char* filename, IOSystem* pIOSystem, const ai
 
     ExportAnimations();
     
-    //wangyi 0608
+    // export extras
     if(mProperties->HasPropertyCallback("extras"))
     {
         std::function<void*(void*)> ExportExtras = mProperties->GetPropertyCallback("extras");
-        char* ret = (char*)ExportExtras((void*)mAsset.get());
-        
-        Document extrasD;
-        extrasD.Parse(ret);
-        std::string strHello = extrasD["hello"].GetString();
-        
-        printf("wangyi 0608 ret: %s\r\n", ret);
+        mAsset->extras = (rapidjson::Value*)ExportExtras(0);
     }
     
     AssetWriter writer(*mAsset);

code/Common/Exporter.cpp

@@ -581,19 +581,18 @@ ExportProperties::ExportProperties(const ExportProperties &other)
 , mFloatProperties(other.mFloatProperties)
 , mStringProperties(other.mStringProperties)
 , mMatrixProperties(other.mMatrixProperties)
-//wangyi 0608
 , mCallbackProperties(other.mCallbackProperties){
     // empty
 }
 
-//wangyi 0608
 bool ExportProperties::SetPropertyCallback(const char *szName, const std::function<void *(void *)> &f) {
     return SetGenericProperty<std::function<void *(void *)>>(mCallbackProperties, szName, f);
 }
+
 std::function<void *(void *)> ExportProperties::GetPropertyCallback(const char *szName) const {
     return GetGenericProperty<std::function<void *(void *)>>(mCallbackProperties, szName, 0);
 }
-//wangyi 0608
+
 bool ExportProperties::HasPropertyCallback(const char *szName) const {
     return HasGenericProperty<std::function<void *(void *)>>(mCallbackProperties, szName);
 }