lua - add client.SetSoundOn and client.GetSoundOn

BizHawk.Client.EmuHawk/tools/Lua/Libraries/EmuLuaLibrary.Client.cs

@@ -161,6 +161,24 @@ namespace BizHawk.Client.EmuHawk
 			GlobalWin.MainForm.FrameBufferResized();
 		}
 
+		[LuaMethodAttributes(
+			"SetSoundOn",
+			"Sets the state of the Sound On toggle"
+		)]
+		public static void SetSoundOn(bool enable)
+		{
+			Global.Config.SoundEnabled = enable;
+		}
+
+		[LuaMethodAttributes(
+			"GetSoundOn",
+			"Gets the state of the Sound On toggle"
+		)]
+		public static bool GetSoundOn()
+		{
+			return Global.Config.SoundEnabled;
+		}
+
 		[LuaMethodAttributes(
 			"SetClientExtraPadding",
 			"Sets the extra padding added to the 'native' surface so that you can draw HUD elements in predictable placements"