Refactoring of OpenRA.Utility. Whole lot of work on OpenRA.Launcher

Mod configuration dialog now fully functional, launch button also works.

OpenRA.Utility/Util.cs

@@ -0,0 +1,75 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made 
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see LICENSE.
+ */
+#endregion
+
+using System;
+using System.IO;
+using ICSharpCode.SharpZipLib.Zip;
+using OpenRA.FileFormats;
+
+namespace OpenRA.Utility
+{
+	static class Util
+	{
+		public static void ExtractPackagesFromMix(string srcPath, string destPath, string mix, params string[] packages)
+		{
+			if (!Directory.Exists(srcPath)) { Console.WriteLine("Error: Path {0} does not exist", srcPath); return; }
+			FileSystem.Mount(srcPath);
+			if (!FileSystem.Exists(mix)) { Console.WriteLine("Error: Could not find {1} in path {0}", srcPath, mix); return; }
+			FileSystem.Mount(mix);
+
+			if (!Directory.Exists(destPath))
+				Directory.CreateDirectory(destPath);
+
+			foreach (string s in packages)
+			{
+				var destFile = "{0}{1}{2}".F(destPath, Path.DirectorySeparatorChar, s);
+				using (var sourceStream = FileSystem.Open(s))
+				using (var destStream = File.Create(destFile))
+				{
+					Console.WriteLine("Extracting {0}", s);
+					destStream.Write(sourceStream.ReadAllBytes());
+				}
+			}
+		}
+
+		public static void ExtractPackagesFromZip(string mod, string dest)
+		{
+			string filepath = string.Format("{0}{1}{2}-packages.zip", dest, Path.DirectorySeparatorChar, mod);
+			string modPackageDir = string.Format("mods{0}{1}{0}packages{0}", Path.DirectorySeparatorChar, mod);
+
+			if (!Directory.Exists(modPackageDir))
+				Directory.CreateDirectory(modPackageDir);
+
+			new ZipInputStream(File.OpenRead(filepath)).ExtractZip(modPackageDir);
+			
+
+			Console.WriteLine("Done");
+		}
+
+		public static void ExtractZip(this ZipInputStream z, string destPath)
+		{
+			ZipEntry entry;
+			while ((entry = z.GetNextEntry()) != null)
+			{
+				if (!entry.IsFile) continue;
+
+				Console.WriteLine("Extracting {0}", entry.Name);
+				using (var f = File.Create(destPath + Path.DirectorySeparatorChar + entry.Name))
+				{
+					int bufSize = 2048;
+					byte[] buf = new byte[bufSize];
+					while ((bufSize = z.Read(buf, 0, buf.Length)) > 0)
+						f.Write(buf, 0, bufSize);
+				}
+			}
+			z.Close();
+		}
+	}
+}