diff --git a/libs/xassets/xgfxportalwritable.cpp b/libs/xassets/xgfxportalwritable.cpp
new file mode 100644
index 0000000..1a3e0dd
--- /dev/null
+++ b/libs/xassets/xgfxportalwritable.cpp
@@ -0,0 +1,31 @@
+#include "xgfxportalwritable.h"
+#include "xgfxportal.h"
+
+XGfxPortalWritable::XGfxPortalWritable()
+    : XAsset()
+    , mIsQueued(false)
+    , mIsAncestor(false)
+    , mRecursionDepth(0)
+    , mHullPointCount(0)
+    , mHullPointPtrs()
+    , mHullPoints()
+    , mQueuedParentPtr(0)
+    , mQueuedParent(new XGfxPortal())
+{
+    
+}
+
+XGfxPortalWritable::~XGfxPortalWritable()
+{
+    
+}
+
+void XGfxPortalWritable::ParseData(QDataStream *aStream)
+{
+    
+}
+
+void XGfxPortalWritable::Clear()
+{
+    
+}