More work on new launcher.

ClassicalSharp/2D/Drawing/GdiPlusDrawer2D.cs

@@ -91,6 +91,13 @@ namespace ClassicalSharp {
 			g.Clear( colour );
 		}
 		
+		public override void Clear( Color colour, int x, int y, int width, int height ) {
+			g.SmoothingMode = SmoothingMode.None;
+			Brush brush = GetOrCreateBrush( colour );
+			g.FillRectangle( brush, x, y, width, height );
+			g.SmoothingMode = SmoothingMode.HighQuality;
+		}
+		
 		public override void Dispose() {
 			g.Dispose();
 			g = null;

ClassicalSharp/2D/Drawing/IDrawer2D.cs

@@ -35,6 +35,9 @@ namespace ClassicalSharp {
 		/// <summary> Clears the entire bound bitmap to the specified colour. </summary>
 		public abstract void Clear( Color colour );
 		
+		/// <summary> Clears the entire bound bitmap to the specified colour. </summary>
+		public abstract void Clear( Color colour, int x, int y, int width, int height );
+		
 		/// <summary> Disposes of any resources used by this class that are associated with the underlying bitmap. </summary>
 		public abstract void Dispose();
 		

ClassicalSharp/Program.cs

@@ -11,9 +11,8 @@ namespace ClassicalSharp {
 		
 		[STAThread]
 		public static void Main( string[] args ) {
-			if( !Debugger.IsAttached ) {
+			if( !Debugger.IsAttached )
 				AppDomain.CurrentDomain.UnhandledException += UnhandledException;
-			}
 			
 			Utils.Log( "Starting " + Utils.AppName + ".." );
 			if( !File.Exists( "default.zip" ) ) {

Launcher2/Client.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using ClassicalSharp;
+
+namespace Launcher2 {
+
+	public static class Client {
+		
+		public static bool Start( GameStartData data, bool classicubeSkins ) {
+			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 );
+		}
+		
+		public static bool Start( string args ) {
+			Process process = null;
+			
+			if( !File.Exists( "ClassicalSharp.exe" ) )
+				return false;
+			
+			if( Type.GetType( "Mono.Runtime" ) != null ) {
+				process = Process.Start( "mono", "\"ClassicalSharp.exe\" " + args );
+			} else {
+				process = Process.Start( "ClassicalSharp.exe", args );
+			}
+			return true;
+		}
+		
+		internal static void UpdateResumeInfo( GameStartData data, bool classiCubeSkins ) {
+			// If the client has changed some settings in the meantime, make sure we keep the changes
+			try {
+				Options.Load();
+			} catch( IOException ) {
+			}
+			
+			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 );
+			
+			try {
+				Options.Save();
+			} catch( IOException ) {
+			}
+		}
+	}
+}

Launcher2/Gui/ClassiCubeScreen.cs

@@ -0,0 +1,252 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.IO;
+using System.Net;
+using ClassicalSharp;
+using OpenTK;
+using OpenTK.Input;
+
+namespace Launcher2 {
+	
+	public sealed class ClassiCubeScreen : LauncherScreen {
+		
+		public ClassiCubeScreen( LauncherWindow game ) : base( game ) {
+			textFont = new Font( "Arial", 16, FontStyle.Bold );
+			widgets = new LauncherWidget[7];
+			game.Window.Mouse.Move += MouseMove;
+			game.Window.Mouse.ButtonDown += MouseButtonDown;
+			
+			game.Window.KeyPress += KeyPress;
+			game.Window.Keyboard.KeyDown += KeyDown;
+			game.Window.Keyboard.KeyRepeat = true;
+		}
+
+		void KeyDown( object sender, KeyboardKeyEventArgs e ) {
+			if( lastInput != null && e.Key == Key.BackSpace ) {
+				using( IDrawer2D drawer = game.Drawer ) {
+					drawer.SetBitmap( game.Framebuffer );
+					lastInput.RemoveChar( textFont );
+					Dirty = true;
+				}
+			} else if( e.Key == Key.Enter ) { // Click sign in button
+				LauncherWidget widget = widgets[4];
+				if( widget.OnClick != null )
+					widget.OnClick();
+			}
+		}
+
+		void KeyPress( object sender, KeyPressEventArgs e ) {
+			if( lastInput != null ) {
+				using( IDrawer2D drawer = game.Drawer ) {
+					drawer.SetBitmap( game.Framebuffer );
+					lastInput.AddChar( e.KeyChar, textFont );
+					Dirty = true;
+				}
+			}
+		}
+
+		public override void Init() {
+			Resize();
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				LoadSavedInfo( drawer );
+				Dirty = true;
+			}
+		}
+		
+		void LoadSavedInfo( IDrawer2D drawer ) {
+			try {
+				Options.Load();
+			} catch( IOException ) {
+				return;
+			}
+			
+			string user = Options.Get( "launcher-cc-username" ) ?? "";
+			string pass = Options.Get( "launcher-cc-password" ) ?? "";
+			pass = Secure.Decode( pass, user );
+			
+			Set( 2, user );
+			Set( 3, pass );
+		}
+		
+		public override void Resize() {
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				DrawButtons( drawer );
+			}
+			Dirty = true;
+		}
+		
+		Font textFont;
+		static FastColour boxCol = new FastColour( 169, 143, 192 ), shadowCol = new FastColour( 97, 81, 110 );
+		void DrawButtons( IDrawer2D drawer ) {
+			widgetIndex = 0;
+			MakeTextAt( drawer, "Username", -180, -100 );
+			MakeTextAt( drawer, "Password", -180, -50 );
+			
+			MakeTextInputAt( drawer, false, Get( widgetIndex ), 30, -100 );
+			MakeTextInputAt( drawer, true, Get( widgetIndex ), 30, -50 );
+			
+			MakeButtonAt( drawer, "Sign in", 110, 35, -65, 0, StartClient );
+			MakeButtonAt( drawer, "Back", 80, 35, 140, 0, () => game.SetScreen( new MainScreen( game ) ) );
+			MakeTextAt( drawer, "", 0, 50 );
+		}
+		
+		ClassicubeSession session = new ClassicubeSession();
+		List<ServerListEntry> servers = new List<ServerListEntry>();
+		void StartClient() {
+			if( String.IsNullOrEmpty( Get( 2 ) ) ) {
+				SetStatus( "&ePlease enter a username" ); return;
+			}
+			if( String.IsNullOrEmpty( Get( 3 ) ) ) {
+				SetStatus( "&ePlease enter a username" ); return;
+			}
+			System.Diagnostics.Debug.WriteLine( Get( 2 ) );
+			System.Diagnostics.Debug.WriteLine( Get( 3 ) );
+			
+			SetStatus( "&eSigning in..." );
+			try {
+				session.Login( Get( 2 ), Get( 3 ) );
+			} catch( WebException ex ) {
+				session.Username = null;
+				DisplayWebException( ex, "sign in" );
+				return;
+			} catch( InvalidOperationException ex ) {
+				session.Username = null;
+				string text = "&eFailed to sign in: " +
+					Environment.NewLine + ex.Message;
+				SetStatus( text );
+				return;
+			}
+			
+			SetStatus( "&eRetrieving public servers list.." );
+			try {
+				servers = session.GetPublicServers();
+			} catch( WebException ex ) {
+				servers = new List<ServerListEntry>();
+				DisplayWebException( ex, "retrieve servers list" );
+				return;
+			}
+			SetStatus( "&eSigned in" );
+		}
+		
+		string Get( int index ) {
+			LauncherWidget widget = widgets[index];
+			return widget == null ? "" : ((widget as LauncherTextInputWidget)).Text;
+		}
+		
+		void Set( int index, string text ) {
+			(widgets[index] as LauncherTextInputWidget)
+				.Redraw( game.Drawer, text, textFont );
+		}
+		
+		void SetStatus( string text ) {
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				LauncherTextWidget widget = (LauncherTextWidget)widgets[6];
+				drawer.Clear( LauncherWindow.clearColour, widget.X, widget.Y,
+				             widget.Width, widget.Height );
+				widget.DrawAt( drawer, text, textFont, Anchor.Centre, Anchor.Centre, 0, 50 );
+				Dirty = true;
+			}
+		}
+
+		void MakeTextAt( IDrawer2D drawer, string text, int x, int y ) {
+			LauncherTextWidget widget = new LauncherTextWidget( game );
+			widget.Text = text;
+			
+			widget.DrawAt( drawer, text, textFont, Anchor.Centre, Anchor.Centre, x, y );
+			widgets[widgetIndex++] = widget;
+		}
+		
+		void MakeTextInputAt( IDrawer2D drawer, bool password, string text, int x, int y ) {
+			LauncherTextInputWidget widget = new LauncherTextInputWidget( game );
+			widget.OnClick = InputClick;
+			widget.Password = password;
+			
+			widget.DrawAt( drawer, text, textFont, Anchor.Centre, Anchor.Centre, 300, 30, x, y );
+			widgets[widgetIndex++] = widget;
+		}
+		
+		void MakeButtonAt( IDrawer2D drawer, string text, int width, int height,
+		                  int x, int y, Action onClick ) {
+			LauncherButtonWidget widget = new LauncherButtonWidget( game );
+			widget.Text = text;
+			widget.OnClick = onClick;
+			
+			widget.DrawAt( drawer, text, textFont, Anchor.Centre, Anchor.Centre, width, height, x, y );
+			FilterArea( widget.X, widget.Y, widget.Width, widget.Height, 180 );
+			widgets[widgetIndex++] = widget;
+		}
+		
+		protected override void UnselectWidget( LauncherWidget widget ) {
+			LauncherButtonWidget button = widget as LauncherButtonWidget;
+			if( button != null ) {
+				button.Redraw( game.Drawer, button.Text, textFont );
+				FilterArea( widget.X, widget.Y, widget.Width, widget.Height, 180 );
+				Dirty = true;
+			}
+		}
+		
+		protected override void SelectWidget( LauncherWidget widget ) {
+			LauncherButtonWidget button = widget as LauncherButtonWidget;
+			if( button != null ) {
+				button.Redraw( game.Drawer, button.Text, textFont );
+				Dirty = true;
+			}
+		}
+		
+		LauncherTextInputWidget lastInput;
+		void InputClick() {
+			LauncherTextInputWidget input = selectedWidget as LauncherTextInputWidget;
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				if( lastInput != null ) {
+					lastInput.Active = false;
+					lastInput.Redraw( game.Drawer, lastInput.Text, textFont );
+				}
+				
+				input.Active = true;
+				input.Redraw( game.Drawer, input.Text, textFont );
+			}
+			lastInput = input;
+			Dirty = true;
+		}
+		
+		public override void Dispose() {
+			textFont.Dispose();
+			game.Window.Mouse.Move -= MouseMove;
+			game.Window.Mouse.ButtonDown -= MouseButtonDown;
+			
+			game.Window.KeyPress -= KeyPress;
+			game.Window.Keyboard.KeyDown -= KeyDown;
+			game.Window.Keyboard.KeyRepeat = false;
+		}
+		
+		void DisplayWebException( WebException ex, string action ) {
+			Program.LogException( ex );
+			if( ex.Status == WebExceptionStatus.Timeout ) {
+				string text = "&eFailed to " + action + ":" +
+					Environment.NewLine + "Timed out while connecting to classicube.net.";
+				SetStatus( text );
+			} else if( ex.Status == WebExceptionStatus.ProtocolError ) {
+				HttpWebResponse response = (HttpWebResponse)ex.Response;
+				int errorCode = (int)response.StatusCode;
+				string description = response.StatusDescription;
+				string text = "&eFailed to " + action + ":" +
+					Environment.NewLine + " classicube.net returned: (" + errorCode + ") " + description;
+				SetStatus(text );
+			} else if( ex.Status == WebExceptionStatus.NameResolutionFailure ) {
+				string text = "&eFailed to " + action + ":" +
+					Environment.NewLine + "Unable to resolve classicube.net" +
+					Environment.NewLine + "you may not be connected to the internet.";
+				SetStatus( text );
+			} else {
+				string text = "&eFailed to " + action + ":" +
+					Environment.NewLine + ex.Status;
+				SetStatus( text );
+			}
+		}
+	}
+}

Launcher2/Gui/DirectConnectScreen.cs

@@ -0,0 +1,226 @@
+using System;
+using System.Drawing;
+using System.IO;
+using System.Net;
+using ClassicalSharp;
+using OpenTK;
+using OpenTK.Input;
+
+namespace Launcher2 {
+	
+	public sealed class DirectConnectScreen : LauncherScreen {
+		
+		public DirectConnectScreen( LauncherWindow game ) : base( game ) {
+			textFont = new Font( "Arial", 16, FontStyle.Bold );
+			widgets = new LauncherWidget[9];
+			game.Window.Mouse.Move += MouseMove;
+			game.Window.Mouse.ButtonDown += MouseButtonDown;
+			
+			game.Window.KeyPress += KeyPress;
+			game.Window.Keyboard.KeyDown += KeyDown;
+			game.Window.Keyboard.KeyRepeat = true;
+		}
+
+		void KeyDown( object sender, KeyboardKeyEventArgs e ) {
+			if( lastInput != null && e.Key == Key.BackSpace ) {
+				using( IDrawer2D drawer = game.Drawer ) {
+					drawer.SetBitmap( game.Framebuffer );
+					lastInput.RemoveChar( textFont );
+					Dirty = true;
+				}
+			} else if( e.Key == Key.Enter ) { // Click connect button			
+				LauncherWidget widget = widgets[6];
+				if( widget.OnClick != null ) 
+					widget.OnClick();
+			}
+		}
+
+		void KeyPress( object sender, KeyPressEventArgs e ) {
+			if( lastInput != null ) {
+				using( IDrawer2D drawer = game.Drawer ) {
+					drawer.SetBitmap( game.Framebuffer );
+					lastInput.AddChar( e.KeyChar, textFont );
+					Dirty = true;
+				}
+			}
+		}
+
+		public override void Init() {
+			Resize();
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				LoadSavedInfo( drawer );
+				Dirty = true;
+			}
+		}
+		
+		void LoadSavedInfo( IDrawer2D drawer ) {
+			try {
+				Options.Load();
+			} catch( IOException ) {
+				return;
+			}
+			
+			string user = Options.Get( "launcher-username" ) ?? "";
+			string ip = Options.Get( "launcher-ip" ) ?? "127.0.0.1";
+			string port = Options.Get( "launcher-port" ) ?? "25565";
+
+			IPAddress address;
+			if( !IPAddress.TryParse( ip, out address ) ) ip = "127.0.0.1";
+			ushort portNum;
+			if( !UInt16.TryParse( port, out portNum ) ) port = "25565";
+			
+			string mppass = Options.Get( "launcher-mppass" ) ?? null;
+			mppass = Secure.Decode( mppass, user );
+			
+			Set( 3, user );
+			Set( 4, ip + ":" + port );
+			Set( 5, mppass );
+		}
+		
+		public override void Resize() {
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				DrawButtons( drawer );
+			}
+			Dirty = true;
+		}
+		
+		Font textFont;
+		static FastColour boxCol = new FastColour( 169, 143, 192 ), shadowCol = new FastColour( 97, 81, 110 );
+		void DrawButtons( IDrawer2D drawer ) {
+			widgetIndex = 0;
+			MakeTextAt( drawer, "Username", -180, -100 );
+			MakeTextAt( drawer, "Address", -180, -50 );
+			MakeTextAt( drawer, "Mppass", -180, 0 );
+			
+			MakeTextInputAt( drawer, Get( widgetIndex ), 30, -100 );
+			MakeTextInputAt( drawer, Get( widgetIndex ), 30, -50 );
+			MakeTextInputAt( drawer, Get( widgetIndex ), 30, 0 );
+			
+			MakeButtonAt( drawer, "Connect", 110, 35, -65, 50, StartClient );			
+			MakeButtonAt( drawer, "Back", 80, 35, 140, 50, () => game.SetScreen( new MainScreen( game ) ) );
+			MakeTextAt( drawer, "", 0, 100 );
+		}
+		
+		void StartClient() {
+			SetStatus( "" );
+			
+			if( String.IsNullOrEmpty( Get( 3 ) ) ) {
+				SetStatus( "&ePlease enter a username" ); return;
+			}
+			
+			string address = Get( 4 );
+			int index = address.LastIndexOf( ':' );
+			if( index <= 0 || index == address.Length - 1 ) {
+				SetStatus( "&eInvalid address" ); return;
+			}
+			
+			string ipPart = address.Substring( 0, index ); IPAddress ip;
+			if( !IPAddress.TryParse( ipPart, out ip ) ) {
+				SetStatus( "&eInvalid ip" ); return;
+			}
+			string portPart = address.Substring( index + 1, address.Length - index - 1 ); ushort port;
+			if( !UInt16.TryParse( portPart, out port ) ) {
+				SetStatus( "&eInvalid port" ); return;
+			}
+			
+			string mppass = Get( 5 );
+			if( String.IsNullOrEmpty( mppass ) ) mppass = "(none)";
+			GameStartData data = new GameStartData( Get( 3 ), mppass, ipPart, portPart );
+			Client.Start( data, false );
+		}
+		
+		string Get( int index ) {
+			LauncherWidget widget = widgets[index];
+			return widget == null ? "" : ((widget as LauncherTextInputWidget)).Text;
+		}
+		
+		void Set( int index, string text ) {
+			(widgets[index] as LauncherTextInputWidget)
+				.Redraw( game.Drawer, text, textFont );
+		}
+		
+		void SetStatus( string text ) {
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				LauncherTextWidget widget = (LauncherTextWidget)widgets[8];
+				drawer.Clear( LauncherWindow.clearColour, widget.X, widget.Y,
+				             widget.Width, widget.Height );
+				widget.DrawAt( drawer, text, textFont, Anchor.Centre, Anchor.Centre, 0, 100 );
+				Dirty = true;
+			}
+		}
+
+		void MakeTextAt( IDrawer2D drawer, string text, int x, int y ) {
+			LauncherTextWidget widget = new LauncherTextWidget( game );
+			widget.Text = text;
+			
+			widget.DrawAt( drawer, text, textFont, Anchor.Centre, Anchor.Centre, x, y );
+			widgets[widgetIndex++] = widget;
+		}
+		
+		void MakeTextInputAt( IDrawer2D drawer, string text, int x, int y ) {
+			LauncherTextInputWidget widget = new LauncherTextInputWidget( game );
+			widget.OnClick = InputClick;
+			
+			widget.DrawAt( drawer, text, textFont, Anchor.Centre, Anchor.Centre, 300, 30, x, y );
+			widgets[widgetIndex++] = widget;
+		}
+		
+		void MakeButtonAt( IDrawer2D drawer, string text, int width, int height,
+		                  int x, int y, Action onClick ) {
+			LauncherButtonWidget widget = new LauncherButtonWidget( game );
+			widget.Text = text;
+			widget.OnClick = onClick;
+			
+			widget.DrawAt( drawer, text, textFont, Anchor.Centre, Anchor.Centre, width, height, x, y );
+			FilterArea( widget.X, widget.Y, widget.Width, widget.Height, 180 );
+			widgets[widgetIndex++] = widget;
+		}
+		
+		protected override void UnselectWidget( LauncherWidget widget ) {
+			LauncherButtonWidget button = widget as LauncherButtonWidget;
+			if( button != null ) {
+				button.Redraw( game.Drawer, button.Text, textFont );
+				FilterArea( widget.X, widget.Y, widget.Width, widget.Height, 180 );
+				Dirty = true;
+			}
+		}
+		
+		protected override void SelectWidget( LauncherWidget widget ) {
+			LauncherButtonWidget button = widget as LauncherButtonWidget;
+			if( button != null ) {
+				button.Redraw( game.Drawer, button.Text, textFont );
+				Dirty = true;
+			}
+		}
+		
+		LauncherTextInputWidget lastInput;
+		void InputClick() {
+			LauncherTextInputWidget input = selectedWidget as LauncherTextInputWidget;
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				if( lastInput != null ) {
+					lastInput.Active = false;
+					lastInput.Redraw( game.Drawer, lastInput.Text, textFont );
+				}
+				
+				input.Active = true;
+				input.Redraw( game.Drawer, input.Text, textFont );
+			}
+			lastInput = input;
+			Dirty = true;
+		}
+		
+		public override void Dispose() {
+			textFont.Dispose();
+			game.Window.Mouse.Move -= MouseMove;
+			game.Window.Mouse.ButtonDown -= MouseButtonDown;
+			
+			game.Window.KeyPress -= KeyPress;
+			game.Window.Keyboard.KeyDown -= KeyDown;
+			game.Window.Keyboard.KeyRepeat = false;
+		}
+	}
+}

Launcher2/Gui/LauncherScreen.cs

@@ -0,0 +1,87 @@
+using System;
+using ClassicalSharp;
+using OpenTK.Input;
+
+namespace Launcher2 {
+	
+	public abstract class LauncherScreen {
+		protected LauncherWindow game;
+		
+		public bool Dirty;
+		protected int widgetIndex;
+		
+		public LauncherScreen( LauncherWindow game ) {
+			this.game = game;
+		}
+		
+		public abstract void Init();
+		
+		public abstract void Resize();
+		
+		public abstract void Dispose();
+		
+		static uint clearColourBGRA = (uint)LauncherWindow.clearColour.ToArgb();
+		protected unsafe void FilterArea( int x, int y, int width, int height, byte scale ) {
+			using( FastBitmap bmp = new FastBitmap( game.Framebuffer, true ) ) {
+				for( int yy = y; yy < y + height; yy++ ) {
+					int* row = bmp.GetRowPtr( yy ) + x;
+					for( int xx = 0; xx < width; xx++ ) {
+						uint pixel = (uint)row[xx];
+						if( pixel == clearColourBGRA ) continue;
+						
+						uint a = pixel & 0xFF000000;
+						uint r = (pixel >> 16) & 0xFF;
+						uint g = (pixel >> 8) & 0xFF;
+						uint b = pixel & 0xFF;
+						
+						r = (r * scale) / 255;
+						g = (g * scale) / 255;
+						b = (b * scale) / 255;
+						row[xx] = (int)(a | (r << 16) | (g << 8) | b);
+					}
+				}
+			}
+		}
+		
+		protected LauncherWidget selectedWidget;
+		protected LauncherWidget[] widgets;
+		protected void MouseMove( object sender, MouseMoveEventArgs e ) {		
+			for( int i = 0; i < widgets.Length; i++ ) {
+				LauncherWidget widget = widgets[i];
+				if( e.X >= widget.X && e.Y >= widget.Y &&
+				   e.X < widget.X + widget.Width && e.Y < widget.Y + widget.Height ) {
+					if( selectedWidget == widget ) return;
+					
+					using( IDrawer2D drawer = game.Drawer ) {
+						drawer.SetBitmap( game.Framebuffer );
+						if( selectedWidget != null )
+							UnselectWidget( selectedWidget );
+						SelectWidget( widget );
+					}
+					selectedWidget = widget;
+					return;
+				}
+			}
+			
+			if( selectedWidget == null ) return;		
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				UnselectWidget( selectedWidget );
+			}
+			selectedWidget = null;
+		}
+		
+		protected virtual void UnselectWidget( LauncherWidget widget ) {
+		}
+		
+		protected virtual void SelectWidget( LauncherWidget widget ) {			
+		}
+		
+		protected void MouseButtonDown( object sender, MouseButtonEventArgs e ) {
+			if( e.Button != MouseButton.Left ) return;
+			
+			if( selectedWidget != null && selectedWidget.OnClick != null )
+				selectedWidget.OnClick();
+		}
+	}
+}

Launcher2/Gui/MainScreen.cs

@@ -0,0 +1,78 @@
+using System;
+using System.Drawing;
+using ClassicalSharp;
+using OpenTK.Input;
+
+namespace Launcher2 {
+	
+	public sealed class MainScreen : LauncherScreen {
+		
+		public MainScreen( LauncherWindow game ) : base( game ) {
+			game.Window.Mouse.Move += MouseMove;
+			game.Window.Mouse.ButtonDown += MouseButtonDown;
+			textFont = new Font( "Arial", 16, FontStyle.Bold );
+			widgets = new LauncherWidget[4];
+		}
+		
+		protected override void UnselectWidget( LauncherWidget widget ) {
+			LauncherButtonWidget button = widget as LauncherButtonWidget;
+			button.Redraw( game.Drawer, button.Text, textFont );
+			FilterArea( widget.X, widget.Y, widget.Width, widget.Height, 180 );
+			Dirty = true;
+		}
+		
+		protected override void SelectWidget( LauncherWidget widget ) {
+			LauncherButtonWidget button = widget as LauncherButtonWidget;
+			button.Redraw( game.Drawer, button.Text, textFont );
+			Dirty = true;
+		}
+
+		public override void Init() { Resize(); }
+		
+		public override void Resize() {
+			using( IDrawer2D drawer = game.Drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				DrawButtons( drawer );
+			}
+			Dirty = true;
+		}
+		
+		Font textFont;
+		static FastColour boxCol = new FastColour( 169, 143, 192 ), shadowCol = new FastColour( 97, 81, 110 );
+		void DrawButtons( IDrawer2D drawer ) {
+			widgetIndex = 0;
+			MakeButtonAt( drawer, "Direct connect", Anchor.Centre, Anchor.Centre,
+			             buttonWidth, buttonHeight, 0, -100,
+			             () => game.SetScreen( new DirectConnectScreen( game ) ) );
+			
+			MakeButtonAt( drawer, "ClassiCube.net", Anchor.Centre, Anchor.Centre,
+			             buttonWidth, buttonHeight, 0, -50,
+			             () => game.SetScreen( new ClassiCubeScreen( game ) ) );
+			
+			MakeButtonAt( drawer, "Singleplayer", Anchor.LeftOrTop, Anchor.BottomOrRight,
+			             sideButtonWidth, buttonHeight, 10, -10,
+			             () => Client.Start( "default.zip" ) );
+			
+			MakeButtonAt( drawer, "Resume", Anchor.BottomOrRight, Anchor.BottomOrRight,
+			             sideButtonWidth, buttonHeight, -10, -10, null );
+		}
+		
+		const int buttonWidth = 220, buttonHeight = 35, sideButtonWidth = 150;
+		void MakeButtonAt( IDrawer2D drawer, string text, Anchor horAnchor,
+		                  Anchor verAnchor, int width, int height, int x, int y, Action onClick ) {
+			LauncherButtonWidget widget = new LauncherButtonWidget( game );
+			widget.Text = text;
+			widget.OnClick = onClick;
+			
+			widget.DrawAt( drawer, text, textFont, horAnchor, verAnchor, width, height, x, y );
+			FilterArea( widget.X, widget.Y, widget.Width, widget.Height, 180 );
+			widgets[widgetIndex++] = widget;
+		}
+		
+		public override void Dispose() {
+			game.Window.Mouse.Move -= MouseMove;
+			game.Window.Mouse.ButtonDown -= MouseButtonDown;
+			textFont.Dispose();
+		}
+	}
+}

Launcher2/Gui/Widgets/LauncherButtonWidget.cs

@@ -1,18 +1,17 @@
 using System;
 using System.Drawing;
 using ClassicalSharp;
-using OpenTK;
 
 namespace Launcher2 {
 
-	public sealed class FastButtonWidget {
+	public sealed class LauncherButtonWidget : LauncherWidget {
 		
 		public int ButtonWidth, ButtonHeight;
-		public int X, Y, Width, Height;
-		public NativeWindow Window;
-		public Action OnClick;
 		public string Text;
 		
+		public LauncherButtonWidget( LauncherWindow window ) : base( window ) {			
+		}
+		
 		static FastColour boxCol = new FastColour( 169, 143, 192 ), shadowCol = new FastColour( 97, 81, 110 );
 		public void DrawAt( IDrawer2D drawer, string text, Font font, Anchor horAnchor,
 		                     Anchor verAnchor, int width, int height, int x, int y ) {
@@ -22,16 +21,6 @@ namespace Launcher2 {
 			Redraw( drawer, text, font );				
 		}
 		
-		void CalculateOffset( int x, int y, Anchor horAnchor, Anchor verAnchor ) {
-			if( horAnchor == Anchor.LeftOrTop ) X = x;
-			else if( horAnchor == Anchor.Centre ) X = x + Window.Width / 2 - Width / 2;
-			else if( horAnchor == Anchor.BottomOrRight ) X = x + Window.Width - Width;
-			
-			if( verAnchor == Anchor.LeftOrTop ) Y = y;
-			else if( verAnchor == Anchor.Centre ) Y = y + Window.Height / 2 - Height / 2;
-			else if( verAnchor == Anchor.BottomOrRight ) Y = y + Window.Height - Height;
-		}
-		
 		public void Redraw( IDrawer2D drawer, string text, Font font ) {
 			Size size = drawer.MeasureSize( text, font, true );
 			int width = ButtonWidth, height = ButtonHeight;

Launcher2/Gui/Widgets/LauncherTextInputWidget.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Drawing;
+using ClassicalSharp;
+
+namespace Launcher2 {
+
+	public sealed class LauncherTextInputWidget : LauncherWidget {
+		
+		public int ButtonWidth, ButtonHeight;
+		public string Text;
+		public bool Active;
+		public bool Password;
+		
+		public LauncherTextInputWidget( LauncherWindow window ) : base( window ) {
+		}
+
+		public void DrawAt( IDrawer2D drawer, string text, Font font,
+		                   Anchor horAnchor, Anchor verAnchor, int width, int height, int x, int y ) {
+			ButtonWidth = width; ButtonHeight = height;
+			Width = width; Height = height;
+			CalculateOffset( x, y, horAnchor, verAnchor );
+			Redraw( drawer, text, font );
+		}
+		
+		public void Redraw( IDrawer2D drawer, string text, Font font ) {
+			Text = text;
+			if( Password )
+				text = new String( '*', text.Length );
+			Size size = drawer.MeasureSize( text, font, true );
+			Width = Math.Max( ButtonWidth, size.Width + 7 );
+			
+			FastColour col = Active ? FastColour.White : new FastColour( 160, 160, 160 );
+			drawer.DrawRectBounds( col, 2, X, Y, Width, Height );
+			drawer.DrawRect( FastColour.Black, X + 2, Y + 2, Width - 4, Height - 4 );
+			
+			DrawTextArgs args = new DrawTextArgs( text, true );
+			args.SkipPartsCheck = true;
+			drawer.DrawText( font, ref args, X + 7, Y + 2 );		
+		}
+		
+		public void AddChar( char c, Font font ) {
+			if( c >= ' ' && c <= '~' ) {
+				Text += c;
+				Redraw( Window.Drawer, Text, font );
+			}
+		}
+		
+		public void RemoveChar( Font font ) {
+			if( Text.Length == 0 ) return;
+			
+			Text = Text.Substring( 0, Text.Length - 1 );
+			Redraw( Window.Drawer, Text, font );
+		}
+	}
+}

Launcher2/Gui/Widgets/LauncherTextWidget.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Drawing;
+using ClassicalSharp;
+
+namespace Launcher2 {
+
+	public sealed class LauncherTextWidget : LauncherWidget {
+		
+		public string Text;
+		
+		public LauncherTextWidget( LauncherWindow window ) : base( window ) {			
+		}
+
+		public void DrawAt( IDrawer2D drawer, string text, Font font, 
+		                   Anchor horAnchor, Anchor verAnchor, int x, int y ) {
+			Size size = drawer.MeasureSize( text, font, true );
+			Width = size.Width; Height = size.Height;
+			
+			CalculateOffset( x, y, horAnchor, verAnchor );
+			Redraw( drawer, text, font );				
+		}
+		
+		public void Redraw( IDrawer2D drawer, string text, Font font ) {
+			DrawTextArgs args = new DrawTextArgs( text, true );
+			drawer.DrawText( font, ref args, X, Y );
+		}
+	}
+}

Launcher2/Gui/Widgets/LauncherWidget.cs

@@ -0,0 +1,26 @@
+using System;
+using ClassicalSharp;
+
+namespace Launcher2 {
+
+	public abstract class LauncherWidget {
+		
+		public int X, Y, Width, Height;
+		public LauncherWindow Window;
+		public Action OnClick;
+		
+		public LauncherWidget( LauncherWindow window ) {
+			Window = window;
+		}
+		
+		protected void CalculateOffset( int x, int y, Anchor horAnchor, Anchor verAnchor ) {
+			if( horAnchor == Anchor.LeftOrTop ) X = x;
+			else if( horAnchor == Anchor.Centre ) X = x + Window.Width / 2 - Width / 2;
+			else if( horAnchor == Anchor.BottomOrRight ) X = x + Window.Width - Width;
+			
+			if( verAnchor == Anchor.LeftOrTop ) Y = y;
+			else if( verAnchor == Anchor.Centre ) Y = y + Window.Height / 2 - Height / 2;
+			else if( verAnchor == Anchor.BottomOrRight ) Y = y + Window.Height - Height;
+		}
+	}
+}

Launcher2/Launcher2.csproj

@@ -45,16 +45,27 @@
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Drawing" />
+    <Reference Include="System.Security" />
+    <Reference Include="System.Windows.Forms" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="FastButtonWidget.cs" />
+    <Compile Include="Client.cs" />
     <Compile Include="GameStartData.cs" />
-    <Compile Include="MainScreen.cs" />
+    <Compile Include="Gui\ClassiCubeScreen.cs" />
+    <Compile Include="Gui\DirectConnectScreen.cs" />
+    <Compile Include="Gui\LauncherScreen.cs" />
+    <Compile Include="Gui\MainScreen.cs" />
+    <Compile Include="Gui\Widgets\LauncherButtonWidget.cs" />
+    <Compile Include="Gui\Widgets\LauncherTextInputWidget.cs" />
+    <Compile Include="Gui\Widgets\LauncherTextWidget.cs" />
+    <Compile Include="Gui\Widgets\LauncherWidget.cs" />
+    <Compile Include="LauncherWindow.cs" />
     <Compile Include="Patcher\Animations.cs" />
     <Compile Include="Patcher\ResourceFetcher.cs" />
     <Compile Include="Patcher\ZipWriter.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Secure.cs" />
     <Compile Include="WebService\ClassiCubeSession.cs" />
     <Compile Include="WebService\GameSession.cs" />
     <Compile Include="WebService\ServerListEntry.cs" />
@@ -71,6 +82,8 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
+    <Folder Include="Gui" />
+    <Folder Include="Gui\Widgets" />
     <Folder Include="Patcher" />
     <Folder Include="WebService" />
   </ItemGroup>

Launcher2/LauncherWindow.cs

@@ -0,0 +1,110 @@
+using System;
+using System.Diagnostics;
+using System.Drawing;
+using System.IO;
+using System.Threading;
+using ClassicalSharp;
+using OpenTK;
+using OpenTK.Graphics;
+using OpenTK.Platform.Windows;
+
+namespace Launcher2 {
+
+	public sealed class LauncherWindow {
+		
+		public NativeWindow Window;
+		public IDrawer2D Drawer;
+		public LauncherScreen screen;
+		public bool Dirty;
+		
+		public int Width { get { return Window.Width; } }
+		
+		public int Height { get { return Window.Height; } }
+		
+		public Bitmap Framebuffer;
+		Font logoFont, logoItalicFont;
+		public void Init() {
+			Window.Resize += Resize;
+			Window.FocusedChanged += FocusedChanged;
+			logoFont = new Font( "Times New Roman", 28, FontStyle.Bold );
+			logoItalicFont = new Font( "Times New Roman", 28, FontStyle.Italic );
+		}
+
+		void FocusedChanged( object sender, EventArgs e ) {
+			MakeBackground();
+			screen.Resize();
+		}
+
+		void Resize( object sender, EventArgs e ) {
+			MakeBackground();
+			screen.Resize();
+		}
+		
+		public void SetScreen( LauncherScreen screen ) {
+			if( this.screen != null )
+				this.screen.Dispose();
+			
+			MakeBackground();
+			this.screen = screen;
+			screen.Init();
+		}
+		
+		public void Run() {
+			Window = new NativeWindow( 480, 480, Program.AppName, 0,
+			                          GraphicsMode.Default, DisplayDevice.Default );
+			Window.Visible = true;
+			screen = new MainScreen( this );
+			Drawer = new GdiPlusDrawer2D( null );
+			Init();
+			SetScreen( new MainScreen( this ) );
+			
+			while( true ) {
+				Window.ProcessEvents();
+				if( !Window.Exists ) break;
+				
+				if( Dirty || (screen != null && screen.Dirty) )
+					Display();
+				Thread.Sleep( 1 );
+			}
+		}
+		
+		void Display() {
+			Dirty = false;
+			if( screen != null ) 
+				screen.Dirty = false;
+			
+			WinWindowInfo info = (WinWindowInfo)Window.WindowInfo;
+			IntPtr dc = info.DeviceContext;
+			
+			using( Graphics g = Graphics.FromHdc( dc ) )
+				g.DrawImage( Framebuffer, 0, 0, Framebuffer.Width, Framebuffer.Height );
+		}
+		
+		internal static FastColour clearColour = new FastColour( 30, 30, 30 );
+		public void MakeBackground() {
+			if( Framebuffer != null )
+				Framebuffer.Dispose();
+			
+			Framebuffer = new Bitmap( Width, Height );
+			using( IDrawer2D drawer = Drawer ) {
+				drawer.SetBitmap( Framebuffer );
+				drawer.Clear( clearColour );
+				
+				Size size1 = drawer.MeasureSize( "&eClassical", logoItalicFont, true );
+				Size size2 = drawer.MeasureSize( "&eSharp", logoFont, true );
+				int xStart = Width / 2 - (size1.Width + size2.Width ) / 2;
+				
+				DrawTextArgs args = new DrawTextArgs( "&eClassical", true );
+				drawer.DrawText( logoItalicFont, ref args, xStart, 20 );
+				args.Text = "&eSharp";
+				drawer.DrawText( logoFont, ref args, xStart + size1.Width, 20 );
+			}
+			Dirty = true;
+		}
+		
+		public void Dispose() {
+			logoFont.Dispose();
+			logoItalicFont.Dispose();
+		}
+	}
+}

Launcher2/MainScreen.cs

@@ -1,156 +0,0 @@
-using System;
-using System.Drawing;
-using ClassicalSharp;
-using OpenTK;
-using OpenTK.Graphics;
-using OpenTK.Platform.Windows;
-using OpenTK.Platform;
-using OpenTK.Input;
-
-namespace Launcher2 {
-	
-	public sealed class MainScreen {
-		public IDrawer2D Drawer;
-		public NativeWindow Window;
-		
-		public void Init() {
-			Window.Resize += HandleResize;
-			Window.Mouse.Move += MouseMove;
-			Window.Mouse.ButtonDown += MouseButtonDown;
-			
-			logoFont = new Font( "Times New Roman", 28, FontStyle.Bold );
-			logoItalicFont = new Font( "Times New Roman", 28, FontStyle.Italic );
-			textFont = new Font( "Arial", 16, FontStyle.Bold );
-		}
-
-		FastButtonWidget selectedWidget;
-		void MouseMove( object sender, MouseMoveEventArgs e ) {
-			//System.Diagnostics.Debug.Print( "moved" );
-			for( int i = 0; i < widgets.Length; i++ ) {
-				FastButtonWidget widget = widgets[i];
-				if( e.X >= widget.X && e.Y >= widget.Y &&
-				   e.X < widget.X + widget.Width && e.Y < widget.Y + widget.Height ) {
-					if( selectedWidget != widget && selectedWidget != null ) {
-						using( IDrawer2D drawer = Drawer ) {
-							drawer.SetBitmap( background );
-							selectedWidget.Redraw( Drawer, selectedWidget.Text, textFont );
-							FilterButton( selectedWidget.X, selectedWidget.Y,
-							             selectedWidget.Width, selectedWidget.Height, 180 );
-							widget.Redraw( Drawer, widget.Text, textFont );
-						}
-					}
-					selectedWidget = widget;
-					break;
-				}
-			}
-		}
-		
-		void MouseButtonDown( object sender, MouseButtonEventArgs e ) {
-			if( e.Button != MouseButton.Left ) return;
-			
-			if( selectedWidget != null && selectedWidget.OnClick != null )
-				selectedWidget.OnClick();
-		}
-		
-		public void Display() {
-			WinWindowInfo info = ((WinWindowInfo)Window.WindowInfo);
-			IntPtr dc = info.DeviceContext;
-			
-			
-			using( Graphics g = Graphics.FromHdc( dc ) ) {
-				g.DrawImage( background, 0, 0, background.Width, background.Height );
-			}
-		}
-		
-		Bitmap background;
-		Font textFont, logoFont, logoItalicFont;
-		static FastColour clearColour = new FastColour( 30, 30, 30 );
-		static uint clearColourBGRA = (uint)(new FastColour( 30, 30, 30 ).ToArgb());
-		public void RecreateBackground() {
-			System.Diagnostics.Debug.Print( "DISPLAY" );
-			if( background != null )
-				background.Dispose();
-			
-			background = new Bitmap( Window.Width, Window.Height );
-			using( IDrawer2D drawer = Drawer ) {
-				drawer.SetBitmap( background );
-				drawer.Clear( clearColour );
-				
-				Size size1 = drawer.MeasureSize( "&eClassical", logoItalicFont, true );
-				Size size2 = drawer.MeasureSize( "&eSharp", logoFont, true );
-				int xStart = Window.Width / 2 - (size1.Width + size2.Width ) / 2;
-				
-				DrawTextArgs args = new DrawTextArgs( "&eClassical", true );
-				drawer.DrawText( logoItalicFont, ref args, xStart, 20 );
-				args.Text = "&eSharp";
-				drawer.DrawText( logoFont, ref args, xStart + size1.Width, 20 );
-				DrawButtons( drawer );
-			}
-			
-			logoFont.Dispose();
-			logoItalicFont.Dispose();
-		}
-		
-		static FastColour boxCol = new FastColour( 169, 143, 192 ), shadowCol = new FastColour( 97, 81, 110 );
-		void DrawButtons( IDrawer2D drawer ) {
-			widgetIndex = 0;
-			MakeButtonAt( drawer, "Direct connect", Anchor.Centre, Anchor.Centre,
-			             buttonWidth, buttonHeight, 0, -100 );
-			MakeButtonAt( drawer, "ClassiCube.net", Anchor.Centre, Anchor.Centre,
-			             buttonWidth, buttonHeight, 0, -50 );
-			MakeButtonAt( drawer, "Default texture pack", Anchor.Centre, Anchor.Centre,
-			             buttonWidth, buttonHeight, 0, 50 );
-			
-			MakeButtonAt( drawer, "Singleplayer", Anchor.LeftOrTop, Anchor.BottomOrRight,
-			             sideButtonWidth, buttonHeight, 10, -10 );
-			widgets[widgetIndex - 1].OnClick
-				= () => Program.StartClient( "default.zip" );
-			MakeButtonAt( drawer, "Resume", Anchor.BottomOrRight, Anchor.BottomOrRight,
-			             sideButtonWidth, buttonHeight, -10, -10 );
-		}
-		
-		FastButtonWidget[] widgets = new FastButtonWidget[5];
-		int widgetIndex = 0;
-		const int buttonWidth = 220, buttonHeight = 35, sideButtonWidth = 150;
-		void MakeButtonAt( IDrawer2D drawer, string text, Anchor horAnchor,
-		                  Anchor verAnchor, int width, int height, int x, int y ) {
-			FastButtonWidget widget = new FastButtonWidget();
-			widget.Window = Window;
-			widget.Text = text;
-			widget.DrawAt( drawer, text, textFont, horAnchor, verAnchor, width, height, x, y );
-			FilterButton( widget.X, widget.Y, widget.Width, widget.Height, 180 );
-			widgets[widgetIndex++] = widget;
-		}
-		
-		void HandleResize( object sender, EventArgs e ) {
-			RecreateBackground();
-		}
-		
-		public void Dispose() {
-			logoFont.Dispose();
-			logoItalicFont.Dispose();
-			textFont.Dispose();
-		}
-		
-		unsafe void FilterButton( int x, int y, int width, int height, byte scale ) {
-			using( FastBitmap bmp = new FastBitmap( background, true ) ) {
-				for( int yy = y; yy < y + height; yy++ ) {
-					int* row = bmp.GetRowPtr( yy ) + x;
-					for( int xx = 0; xx < width; xx++ ) {
-						uint pixel = (uint)row[xx];
-						if( pixel == clearColourBGRA ) continue;
-						uint a = pixel & 0xFF000000;
-						uint r = (pixel >> 16) & 0xFF;
-						uint g = (pixel >> 8) & 0xFF;
-						uint b = pixel & 0xFF;
-						
-						r = (r * scale) / 255;
-						g = (g * scale) / 255;
-						b = (b * scale) / 255;
-						row[xx] = (int)(a | (r << 16) | (g << 8) | b);
-					}
-				}
-			}
-		}
-	}
-}

Launcher2/Program.cs

@@ -1,9 +1,7 @@
 using System;
-using ClassicalSharp;
-using OpenTK;
-using OpenTK.Graphics;
-using System.IO;
 using System.Diagnostics;
+using System.IO;
+using System.Windows.Forms;
 
 namespace Launcher2 {
 
@@ -13,43 +11,43 @@ namespace Launcher2 {
 		
 		[STAThread]
 		private static void Main( string[] args ) {
-			NativeWindow window = new NativeWindow( 480, 480, AppName, 0, 
-			                                       GraphicsMode.Default, DisplayDevice.Default );
-			window.Visible = true;
+			if( !Debugger.IsAttached )
+				AppDomain.CurrentDomain.UnhandledException += UnhandledException;
 			
-			MainScreen screen = new MainScreen();
-			screen.Drawer = new GdiPlusDrawer2D( null );
-			screen.Window = window;
-			screen.Init();
-			screen.RecreateBackground();			
-			
-			while( true ) {
-				window.ProcessEvents();
-				if( !window.Exists ) break;
-				
-				screen.Display();
-				System.Threading.Thread.Sleep( 10 );
-			}
+			LauncherWindow window = new LauncherWindow();
+			window.Run();
 		}
 		
-		static string missingExeMessage = "Failed to start ClassicalSharp. (classicalsharp.exe was not found)"
-			+ Environment.NewLine + Environment.NewLine +
-			"This application is only the launcher, it is not the actual client. " +
-			"Please place the launcher in the same directory as the client (classicalsharp.exe).";
+		static void UnhandledException( object sender, UnhandledExceptionEventArgs e ) {
+			// So we don't get the normal unhelpful crash dialog on Windows.
+			Exception ex = (Exception)e.ExceptionObject;
+			bool wroteToCrashLog = LogException( ex );
+			string error = wroteToCrashLog ? null :
+				(ex.GetType().FullName + ": " + ex.Message + Environment.NewLine + ex.StackTrace);
 			
-		public static bool StartClient( string args ) {
-			Process process = null;
+			string message = wroteToCrashLog ?
+				"The cause of the crash has been logged to \"crash-launcher.log\". Please consider reporting the crash " +
+				"(and the circumstances that caused it) to github.com/UnknownShadow200/ClassicalSharp/issues" :
 				
-			if( !File.Exists( "ClassicalSharp.exe" ) ) {
-				// TODO: show message popup
+				"Failed to write the cause of the crash to \"crash-launcher.log\". Please consider reporting the crash " +
+				"(and the circumstances that caused it) to github.com/UnknownShadow200/ClassicalSharp/issues" +
+				Environment.NewLine + Environment.NewLine + error;
+			
+			MessageBox.Show( "Oh dear. ClassicalSharp has crashed." + Environment.NewLine + Environment.NewLine + message, "ClassicalSharp has crashed" );
+			Environment.Exit( 1 );
+		}
+		
+		internal static bool LogException( Exception ex ) {
+			string error = ex.GetType().FullName + ": " + ex.Message + Environment.NewLine + ex.StackTrace;
+			try {
+				using( StreamWriter writer = new StreamWriter( "crash_launcher.log", true ) ) {
+					writer.WriteLine( "Crash time: " + DateTime.Now.ToString() );
+					writer.WriteLine( error );
+					writer.WriteLine();
+				}
+			} catch( Exception ) {
 				return false;
 			}
-			
-			if( Type.GetType( "Mono.Runtime" ) != null ) {
-				process = Process.Start( "mono", "\"ClassicalSharp.exe\" " + args );
-			} else {
-				process = Process.Start( "ClassicalSharp.exe", args );
-			}
 			return true;
 		}
 	}

Launcher2/Secure.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Security.Cryptography;
+
+namespace Launcher2 {
+	
+	public static class Secure {
+		
+		public static string Encode( string decoded, string key ) {
+			if( String.IsNullOrEmpty( decoded ) || String.IsNullOrEmpty( key ) ) return "";
+			
+			byte[] data = new byte[decoded.Length];
+			for( int i = 0; i < decoded.Length; i++ )
+				data[i] = (byte)decoded[i];
+			
+			try {
+				byte[] v2 = ProtectedData.Protect( data, null, DataProtectionScope.CurrentUser );
+				return Convert.ToBase64String( v2 );
+			} catch {
+				// XORs data. *NOT* very secure, only designed to prevent reading from options.txt.
+				for( int i = 0; i < data.Length; i++ )
+					data[i] = (byte)(data[i] ^ key[i % key.Length] ^ 0x43);
+				return Convert.ToBase64String( data );
+			}
+		}
+		
+		public static string Decode( string encoded, string key ) {
+			if( String.IsNullOrEmpty( encoded ) || String.IsNullOrEmpty( key ) ) return null;
+			
+			byte[] data;
+			try {
+				data = Convert.FromBase64String( encoded );
+			} catch( FormatException ) {
+				return null;
+			}
+			
+			try {
+				data = ProtectedData.Unprotect( data, null, DataProtectionScope.CurrentUser );
+				char[] c = new char[data.Length];
+				for( int i = 0; i < c.Length; i++ )
+					c[i] = (char)data[i];
+				return new String( c );
+			} catch {
+				if( encoded.Length > 64 || data.Length > 64 ) return null;
+				
+				char[] c = new char[data.Length];
+				for( int i = 0; i < c.Length; i++ )
+					c[i] = (char)(data[i] ^ key[i % key.Length] ^ 0x43);
+				return new String( c );
+			}
+		}
+	}
+}