Don't spam logs and replays all over my home directory kthx.

Logs and replays are written to subdirectories of the "Support" folder. Default location is <game dir>/Support/; Can be overridden on game start.

OpenRA.Game/Game.cs

@@ -563,7 +563,14 @@ namespace OpenRA
 		{
 			AppDomain.CurrentDomain.AssemblyResolve += FileSystem.ResolveAssembly;
 
-			LoadUserSettings(settings);
+			LoadUserSettings(settings);
+			
+			Log.LogPath = SupportDir + "Logs" + Path.DirectorySeparatorChar;
+			Log.AddChannel("perf", "perf.log", false, false);
+			Log.AddChannel("debug", "debug.log", false, false);
+			Log.AddChannel("sync", "syncreport.log", true, true);
+
+			
 			LobbyInfo.GlobalSettings.Mods = Settings.InitialMods;
 
 			// Load the default mod to access required files
@@ -596,7 +603,6 @@ namespace OpenRA
 
 			ResetTimer();
 
-			Log.AddChannel("sync", "openra.syncreport.txt", true, true);
 		}
 
 		static void LoadUserSettings(Settings settings)
@@ -636,13 +642,26 @@ namespace OpenRA
 
 			Chrome.rootWidget.CloseWindow();
 			Chrome.rootWidget.OpenWindow("MAINMENU_BG");
-		}
+		}
+		
+		public static string SupportDir
+		{
+			get {
+				// Unless the user has specified otherwise, put support files in a subdirectory of the game install
+				if (Settings.SupportDir == null)
+					return Environment.CurrentDirectory + Path.DirectorySeparatorChar + "Support" + Path.DirectorySeparatorChar;
+				
+				// Custom paths are relative to the home directory (My Documents under windows)
+				return Environment.GetFolderPath(Environment.SpecialFolder.Personal) + Path.DirectorySeparatorChar + Settings.SupportDir;
+			}
+		}
+
 
 		internal static int GetGameId()
 		{
 			try
 			{
-				string s = File.ReadAllText(Log.LogPathPrefix + "openra.gameid");
+				string s = File.ReadAllText(SupportDir + "currentgameid");
 				return int.Parse(s);
 			}
 			catch (Exception)
@@ -653,7 +672,7 @@ namespace OpenRA
 
 		internal static void SetGameId(int id)
 		{
-			var file = File.CreateText(Log.LogPathPrefix + "openra.gameid");
+			var file = File.CreateText(SupportDir + "currentgameid");
 			file.Write(id);
 			file.Flush();
 			file.Close();

OpenRA.Game/GameRules/UserSettings.cs

@@ -24,6 +24,8 @@ namespace OpenRA.GameRules
 {
 	public class UserSettings
 	{
+		public readonly string SupportDir = null;
+		
 		// Debug settings
 		public bool UnitDebug = false;
 		public bool PathDebug = true;

OpenRA.Game/Network/OrderManager.cs

@@ -62,10 +62,9 @@ namespace OpenRA.Network
 		public OrderManager( IConnection conn, string replayFilename )
 			: this( conn )
 		{
-			string path = Environment.GetFolderPath(Environment.SpecialFolder.Personal) 
-				+ Path.DirectorySeparatorChar + ".openra";
+			string path = Game.SupportDir + "Replays" + Path.DirectorySeparatorChar;
 			if (!Directory.Exists(path)) Directory.CreateDirectory(path);
-			replaySaveFile = File.Create( path + Path.DirectorySeparatorChar + replayFilename );
+			replaySaveFile = File.Create( path + replayFilename );
 		}
 
 		public void IssueOrders( Order[] orders )

OpenRA.Game/Support/Program.cs

@@ -33,7 +33,6 @@ namespace OpenRA
 		{
 			// brutal hack
 			Application.CurrentCulture = CultureInfo.InvariantCulture;
-			Log.AddChannel("perf", "openra.perf.txt", false, false);
 
 			if (Debugger.IsAttached || args.Contains("--just-die"))
 			{