diff --git a/src/geometry/extragroupinfo.h b/src/geometry/extragroupinfo.h
new file mode 100644
index 0000000..de3274a
--- /dev/null
+++ b/src/geometry/extragroupinfo.h
@@ -0,0 +1,21 @@
+#ifndef __GEOMETRY_EXTRAGROUPINFO_H_INCLUDED__
+#define __GEOMETRY_EXTRAGROUPINFO_H_INCLUDED__
+
+#include "../common.h"
+#include <string>
+
+struct ExtraGroupInfo
+{
+	std::string name;
+	std::string textureFile;
+	BOOL alphaBlend;
+	
+	ExtraGroupInfo();
+};
+
+inline ExtraGroupInfo::ExtraGroupInfo()
+{
+	alphaBlend = FALSE;
+}
+
+#endif