diff --git a/libs/xassets/xgfxportalwritable.h b/libs/xassets/xgfxportalwritable.h
new file mode 100644
index 0000000..f6c6108
--- /dev/null
+++ b/libs/xassets/xgfxportalwritable.h
@@ -0,0 +1,30 @@
+#ifndef XGFXPORTALWRITABLE_H
+#define XGFXPORTALWRITABLE_H
+
+#include "xasset.h"
+
+#include <QVector>
+
+class XGfxPortal;
+
+class XGfxPortalWritable : public XAsset
+{
+public:
+    XGfxPortalWritable();
+    ~XGfxPortalWritable();
+
+    virtual void ParseData(QDataStream* aStream) override;
+    virtual void Clear() override;
+
+private:
+    bool mIsQueued;
+    bool mIsAncestor;
+    quint8 mRecursionDepth;
+    quint8 mHullPointCount;
+    QVector<quint32> mHullPointPtrs;
+    QVector<float> mHullPoints;
+    qint32 mQueuedParentPtr;
+    XGfxPortal *mQueuedParent;
+};
+
+#endif // XGFXPORTALWRITABLE_H