diff --git a/NIF_IO.cpp b/NIF_IO.cpp
index 0ca7f60974181b0df2486c8df402b1cea19fc39d..3f706471a87b163876c27aa5af10575edcace314 100644
--- a/NIF_IO.cpp
+++ b/NIF_IO.cpp
@@ -538,6 +538,29 @@ ostream & operator<<( ostream & out, PixelLayout const & val ) {
 	};
 }
 
+//VertMode
+void NifStream( VertMode & val, istream& in, uint version ) { val = VertMode(ReadUInt( in )); };
+void NifStream( VertMode const & val, ostream& out, uint version ) { WriteUInt( val, out ); }
+ostream & operator<<( ostream & out, VertMode const & val ) {
+	switch ( val ) {
+		case VERT_MODE_SRC_IGNORE: return out << "VERT_MODE_SRC_IGNORE";
+		case VERT_MODE_SRC_EMISSIVE: return out << "VERT_MODE_SRC_EMISSIVE";
+		case VERT_MODE_SRC_AMB_DIF: return out << "VERT_MODE_SRC_AMB_DIF";
+		default: return out << "Invalid Value! - " << uint(val);
+	};
+}
+
+//LightMode
+void NifStream( LightMode & val, istream& in, uint version ) { val = LightMode(ReadUInt( in )); };
+void NifStream( LightMode const & val, ostream& out, uint version ) { WriteUInt( val, out ); }
+ostream & operator<<( ostream & out, LightMode const & val ) {
+	switch ( val ) {
+		case LIGHT_MODE_EMISSIVE: return out << "LIGHT_MODE_EMISSIVE";
+		case LIGHT_MODE_EMI_AMB_DIF: return out << "LIGHT_MODE_EMI_AMB_DIF";
+		default: return out << "Invalid Value! - " << uint(val);
+	};
+}
+
 //The HexString function creates a formatted hex display of the given data for use in printing
 //a debug string for information that is not understood
 string HexString( const byte * src, uint len ) {
diff --git a/NIF_IO.h b/NIF_IO.h
index 81d3d22f21d8b6bd0424576493f5a5b5fb91a2f4..9f5c85ce927f694ab40156340c2043e9581f0a08 100644
--- a/NIF_IO.h
+++ b/NIF_IO.h
@@ -163,6 +163,23 @@ enum PixelLayout {
 	PIX_LAY_DEFAULT = 5 /*!< Use default setting. */
 };
 
+/*!
+ * Specifies what type of light is active on the shape.
+ */
+enum VertMode {
+	VERT_MODE_SRC_IGNORE = 0, /*!< Source Ignore. */
+	VERT_MODE_SRC_EMISSIVE = 1, /*!< Source Emissive. */
+	VERT_MODE_SRC_AMB_DIF = 2, /*!< Source Ambient/Diffuse. */
+};
+
+/*!
+ * Specifies the light mode.
+ */
+enum LightMode {
+	LIGHT_MODE_EMISSIVE = 0, /*!< Emissive. */
+	LIGHT_MODE_EMI_AMB_DIF = 1, /*!< Emissive + Ambient + Diffuse. */
+};
+
 //--IO Functions--//
 
 int BlockSearch( istream& in );
@@ -327,6 +344,16 @@ void NifStream( PixelLayout & val, istream& in, uint version = 0 );
 void NifStream( PixelLayout const & val, ostream& out, uint version = 0  );
 ostream & operator<<( ostream & out, PixelLayout const & val );
 
+//VertMode
+void NifStream( VertMode & val, istream& in, uint version = 0 );
+void NifStream( VertMode const & val, ostream& out, uint version = 0  );
+ostream & operator<<( ostream & out, VertMode const & val );
+
+//LightMode
+void NifStream( LightMode & val, istream& in, uint version = 0 );
+void NifStream( LightMode const & val, ostream& out, uint version = 0  );
+ostream & operator<<( ostream & out, LightMode const & val );
+
 //--Templates--//
 
 //Key<T>