diff --git a/libs/xassets/xmaterialconstantdef.cpp b/libs/xassets/xmaterialconstantdef.cpp
new file mode 100644
index 0000000..99bc215
--- /dev/null
+++ b/libs/xassets/xmaterialconstantdef.cpp
@@ -0,0 +1,27 @@
+#include "xmaterialconstantdef.h"
+
+XMaterialConstantDef::XMaterialConstantDef()
+    : XAsset()
+    , mNameHash(0)
+    , mName("")
+    , mLiteral()
+{
+    
+}
+
+XMaterialConstantDef::~XMaterialConstantDef()
+{
+    
+}
+
+void XMaterialConstantDef::ParseData(QDataStream *aStream)
+{
+    
+}
+
+void XMaterialConstantDef::Clear()
+{
+    mNameHash = 0;
+    mName = "";
+    mLiteral = QList<float>();
+}
diff --git a/libs/xassets/xmaterialconstantdef.h b/libs/xassets/xmaterialconstantdef.h
new file mode 100644
index 0000000..bcebf3f
--- /dev/null
+++ b/libs/xassets/xmaterialconstantdef.h
@@ -0,0 +1,23 @@
+#ifndef XMATERIALCONSTANTDEF_H
+#define XMATERIALCONSTANTDEF_H
+
+#include "xasset.h"
+
+#include <QVector>
+
+class XMaterialConstantDef : public XAsset
+{
+public:
+    XMaterialConstantDef();
+    ~XMaterialConstantDef();
+
+    virtual void ParseData(QDataStream* aStream) override;
+    virtual void Clear() override;
+
+private:
+    unsigned int mNameHash;
+    QString mName;
+    QVector<float> mLiteral;
+};
+
+#endif // XMATERIALCONSTANTDEF_H