add hook for changing local voice range

Barotrauma/BarotraumaServer/ServerSource/Lua/LuaClasses.cs

@@ -403,6 +403,34 @@ namespace Barotrauma
 			{
 				return File.Exists(path);
 			}
+
+			public static string[] DirSearch(string sDir)
+			{
+				List<string> files = new List<string>();
+
+				try
+				{
+					foreach (string f in Directory.GetFiles(sDir))
+					{
+						files.Add(f);
+					}
+
+					foreach (string d in Directory.GetDirectories(sDir))
+					{
+						foreach (string f in Directory.GetFiles(d))
+						{
+							files.Add(f);
+						}
+						DirSearch(d);
+					}
+				}
+				catch (System.Exception excpt)
+				{
+					Console.WriteLine(excpt.Message);
+				}
+
+				return files.ToArray();
+			}
 		}
 
 		private class LuaNetworking