Enter in main screen should switch to classicube.net screen, option to auto close launcher, fix crashing when username or password is invalid.

ClassicalSharp/2D/Screens/Menu/OptionsScreen.cs

@@ -21,6 +21,7 @@ namespace ClassicalSharp {
 				     	g.Players.ShowHoveredNames = v == "yes";
 				     	Options.Set( OptionsKey.ShowHoveredNames, v == "yes" );
 				     }),
+				
 				Make( -140, -50, "Speed multiplier", Anchor.Centre, OnWidgetClick,
 				     g => g.LocalPlayer.SpeedMultiplier.ToString(),
 				     (g, v) => { g.LocalPlayer.SpeedMultiplier = Single.Parse( v );
@@ -37,12 +38,17 @@ namespace ClassicalSharp {
 				
 				// Column 2
 				!network.IsSinglePlayer ? null :
-					Make( 140, -50, "Singleplayer physics", Anchor.Centre, OnWidgetClick,
+					Make( 140, -100, "Singleplayer physics", Anchor.Centre, OnWidgetClick,
 					     g => ((SinglePlayerServer)network).physics.Enabled ? "yes" : "no",
 					     (g, v) => {
 					     	((SinglePlayerServer)network).physics.Enabled = v == "yes";
 					     	Options.Set( OptionsKey.SingleplayerPhysics, v == "yes" );
 					     }),
+				
+				Make( 140, -50, "Auto close launcher", Anchor.Centre, OnWidgetClick,
+				     g => Options.GetBool( OptionsKey.AutoCloseLauncher, false ) ? "yes" : "no",
+				     (g, v) => Options.Set( OptionsKey.AutoCloseLauncher, v == "yes" ) ),
+				
 				Make( 140, 0, "Pushback block placing", Anchor.Centre, OnWidgetClick,
 				     g => g.LocalPlayer.PushbackBlockPlacing
 				     && g.LocalPlayer.CanPushbackBlocks ? "yes" : "no",
@@ -50,10 +56,12 @@ namespace ClassicalSharp {
 				     	if( g.LocalPlayer.CanPushbackBlocks)
 				     		g.LocalPlayer.PushbackBlockPlacing = v == "yes";
 				     }),
+				
 				Make( 140, 50, "Mouse sensitivity", Anchor.Centre, OnWidgetClick,
 				     g => g.MouseSensitivity.ToString(),
 				     (g, v) => { g.MouseSensitivity = Int32.Parse( v );
 				     	Options.Set( OptionsKey.Sensitivity, v ); } ),
+				
 				Make( 0, 5, "Back to menu", Anchor.BottomOrRight,
 				     (g, w) => g.SetNewScreen( new PauseScreen( g ) ), null, null ),
 				null,

ClassicalSharp/Utils/Options.cs

@@ -22,6 +22,7 @@ namespace ClassicalSharp {
 		public const string MouseMiddle = "mousemiddle";
 		public const string MouseRight = "mouseright";
 		public const string VSync = "vsync";
+		public const string AutoCloseLauncher = "autocloselauncher";
 	}
 	
 	// TODO: implement this

Launcher2/Gui/Screens/DirectConnectScreen.cs

@@ -146,7 +146,7 @@ namespace Launcher2 {
 			if( String.IsNullOrEmpty( mppass ) ) mppass = "(none)";
 			ClientStartData data = new ClientStartData( Get( 3 ), mppass, ipPart, portPart );
 			bool ccSkins = ((LauncherBooleanWidget)widgets[10]).Value;
-			Client.Start( data, ccSkins );
+			Client.Start( data, ccSkins, ref game.ShouldExit );
 		}
 		
 		public override void Dispose() {

Launcher2/Gui/Screens/MainScreen.cs

@@ -29,6 +29,8 @@ namespace Launcher2 {
 		void KeyDown( object sender, KeyboardKeyEventArgs e ) {
 			if( e.Key == Key.Tab )
 				HandleTab();
+			else if( e.Key == Key.Enter )
+				widgets[0].OnClick( 0, 0 );
 		}
 		
 		void KeyUp( object sender, KeyboardKeyEventArgs e ) {
@@ -69,7 +71,7 @@ namespace Launcher2 {
 			
 			MakeButtonAt( "Singleplayer", Anchor.Centre, Anchor.Centre,
 			             buttonWidth, buttonHeight, 0, 0,
-			             (x, y) => Client.Start( "" ) );
+			             (x, y) => Client.Start( "", ref game.ShouldExit ) );
 			
 			MakeButtonAt( "Check for updates", Anchor.Centre, Anchor.Centre,
 			             buttonWidth, buttonHeight, 0, 100,

Launcher2/LauncherWindow.cs

@@ -40,6 +40,9 @@ namespace Launcher2 {
 		/// <summary> Bitmap that contains the entire array of pixels that describe the client drawing area. </summary>
 		public Bitmap Framebuffer;
 		
+		/// <summary> Whether at the next tick, the launcher window should proceed to stop displaying frames and subsequently exit. </summary>
+		public bool ShouldExit;
+		
 		/// <summary> Contains metadata attached for different screen instances,
 		/// typically used to save 'last text entered' text when a screen is disposed. </summary>
 		public Dictionary<string, Dictionary<string, object>> ScreenMetadata =
@@ -90,7 +93,7 @@ namespace Launcher2 {
 				if( entry.Hash == hash ) {
 					data = new ClientStartData( Session.Username, entry.Mppass,
 					                           entry.IPAddress, entry.Port );
-					Client.Start( data, true );
+					Client.Start( data, true, ref ShouldExit );
 					return true;
 				}
 			}
@@ -102,7 +105,7 @@ namespace Launcher2 {
 				ErrorHandler.LogError( "retrieving server information", ex );
 				return false;
 			}
-			Client.Start( data, true );
+			Client.Start( data, true, ref ShouldExit );
 			return true;
 		}
 		
@@ -124,12 +127,18 @@ namespace Launcher2 {
 			while( true ) {
 				Window.ProcessEvents();
 				if( !Window.Exists ) break;
+				if( ShouldExit ) {
+					if( Screen != null ) 
+						Screen.Dispose();
+					break;
+				}
 				
 				Screen.Tick();
 				if( Dirty || Screen.Dirty )
 					Display();
 				Thread.Sleep( 1 );
 			}
+			Window.Close();
 		}
 		
 		void Display() {

Launcher2/Utils/Client.cs

@@ -7,21 +7,26 @@ namespace Launcher2 {
 
 	public static class Client {
 		
-		public static bool Start( ClientStartData data, bool classicubeSkins ) {
-			string skinServer = classicubeSkins ? "http://www.classicube.net/static/skins/" : "http://s3.amazonaws.com/MinecraftSkins/";
+		public static bool Start( ClientStartData data, bool classicubeSkins, ref bool shouldExit ) {
+			string skinServer = classicubeSkins ? "http://www.classicube.net/static/skins/" :
+				"http://s3.amazonaws.com/MinecraftSkins/";
 			string args = data.Username + " " + data.Mppass + " " +
 				data.Ip + " " + data.Port + " " + skinServer;
-			
-			UpdateResumeInfo( data, classicubeSkins );
-			return Start( args );
+			return Start( args, ref shouldExit );
 		}
 		
-		public static bool Start( string args ) {
+		public static bool Start( string args, ref bool shouldExit ) {
+			return StartImpl( null, true, args, ref shouldExit );
+		}
+		
+		static bool StartImpl( ClientStartData data, bool classicubeSkins,
+		                      string args, ref bool shouldExit ) {
 			Process process = null;
 			string path = Path.Combine( AppDomain.CurrentDomain.BaseDirectory, "ClassicalSharp.exe" );
 			if( !File.Exists( path ) )
 				return false;
 			
+			CheckSettings( data, classicubeSkins, out shouldExit );
 			if( Type.GetType( "Mono.Runtime" ) != null ) {
 				process = Process.Start( "mono", "\"" + path + "\" " + args );
 			} else {
@@ -30,16 +35,19 @@ namespace Launcher2 {
 			return true;
 		}
 		
-		internal static void UpdateResumeInfo( ClientStartData data, bool classiCubeSkins ) {
-			// If the client has changed some settings in the meantime, make sure we keep the changes
+		internal static void CheckSettings( ClientStartData data, bool classiCubeSkins, out bool shouldExit ) {
+			shouldExit = false;
+			// Make sure if the client has changed some settings in the meantime, we keep the changes
 			if( !Options.Load() )
 				return;
+			shouldExit = Options.GetBool( OptionsKey.AutoCloseLauncher, false );
+			if( data == null ) return;
 			
 			Options.Set( "launcher-username", data.Username );
 			Options.Set( "launcher-ip", data.Ip );
 			Options.Set( "launcher-port", data.Port );
 			Options.Set( "launcher-mppass", Secure.Encode( data.Mppass, data.Username ) );
-			Options.Set( "launcher-ccskins", classiCubeSkins );
+			Options.Set( "launcher-ccskins", classiCubeSkins );		
 			Options.Save();
 		}
 	}

Launcher2/WebService/ClassiCubeSession.cs

@@ -75,7 +75,7 @@ namespace Launcher2 {
 			data = (Dictionary<string, object>)Json.ParseValue( response, ref index, ref success );
 			
 			List<object> errors = (List<object>)data["errors"];
-			if( errors.Count > 0 )
+			if( errors.Count > 0 || (data.ContainsKey( "username" ) && data["username"] == null) )
 				throw new InvalidOperationException( "Wrong username or password." );
 			
 			Username = (string)data["username"];