Cleanup WeatherRenderer somewhat, add (non-working) update screen to new launcher.

ClassicalSharp/Rendering/WeatherRenderer.cs

@@ -15,13 +15,15 @@ namespace ClassicalSharp {
 			map = game.Map;
 			graphics = game.Graphics;
 			info = game.BlockInfo;
-			weatherVb = graphics.CreateDynamicVb( VertexFormat.Pos3fTex2fCol4b, 12 * 9 * 9 );
+			weatherVb = graphics.CreateDynamicVb( VertexFormat.Pos3fTex2fCol4b, vertices.Length );
 		}
 		
 		int weatherVb;
 		short[] heightmap;
 		float vOffset;
-		VertexPos3fTex2fCol4b[] vertices = new VertexPos3fTex2fCol4b[8 * 9 * 9];
+		const int extent = 4;
+		VertexPos3fTex2fCol4b[] vertices = new VertexPos3fTex2fCol4b[8 * (extent * 2 + 1) * (extent * 2 + 1)];
+		
 		public void Render( double deltaTime ) {
 			Weather weather = map.Weather;
 			if( weather == Weather.Sunny ) return;
@@ -36,8 +38,8 @@ namespace ClassicalSharp {
 			graphics.AlphaBlending = true;
 			graphics.DepthWrite = false;
 			FastColour col = FastColour.White;
-			for( int dx = -4; dx <= 4; dx++ ) {
-				for( int dz = -4; dz <= 4; dz++ ) {
+			for( int dx = -extent; dx <= extent; dx++ ) {
+				for( int dz = -extent; dz <= extent; dz++ ) {
 					int rainY = Math.Max( pos.Y, GetRainHeight( pos.X + dx, pos.Z + dz ) + 1 );
 					int height = Math.Min( 6 - ( rainY - pos.Y ), 6 );
 					if( height <= 0 ) continue;
@@ -46,6 +48,7 @@ namespace ClassicalSharp {
 					MakeRainForSquare( pos.X + dx, rainY, height, pos.Z + dz, col, ref index );
 				}
 			}
+			
 			// fixes crashing on nVidia cards in OpenGL builds.
 			if( index > 0 ) {
 				graphics.BeginVbBatch( VertexFormat.Pos3fTex2fCol4b );

Launcher2/Gui/Screens/ClassiCubeScreen.cs

@@ -87,8 +87,8 @@ namespace Launcher2 {
 
 		void Draw() {
 			widgetIndex = 0;
-			MakeTextAt( "Username", titleFont, -180, -100 );
-			MakeTextAt( "Password", titleFont, -180, -50 );
+			MakeLabelAt( "Username", titleFont, Anchor.Centre, Anchor.Centre, -180, -100 );
+			MakeLabelAt( "Password", titleFont, Anchor.Centre, Anchor.Centre, -180, -50 );
 			
 			MakeInput( Get(), 300, Anchor.Centre, false, 30, -100, 32 );
 			MakeInput( Get(), 300, Anchor.Centre, true, 30, -50, 32 );
@@ -97,8 +97,8 @@ namespace Launcher2 {
 			             -75, 0, StartClient );
 			MakeButtonAt( "Back", 80, 35, titleFont, Anchor.Centre,
 			             140, 0, (x, y) => game.SetScreen( new MainScreen( game ) ) );
-			string text = widgets[6] == null ? "" : ((LauncherLabelWidget)widgets[6]).Text;
-			MakeTextAt( text, inputFont, 0, 50 );
+			string text = widgets[6] == null ? "" : widgets[6].Text;
+			MakeLabelAt( text, inputFont, Anchor.Centre, Anchor.Centre, 0, 50 );
 			
 			if( HasServers && !signingIn )
 				MakeButtonAt( "Servers", 90, 35, titleFont, Anchor.Centre,
@@ -118,12 +118,6 @@ namespace Launcher2 {
 			}
 		}
 		
-		void MakeTextAt( string text, Font font, int x, int y ) {
-			LauncherLabelWidget widget = new LauncherLabelWidget( game, text );
-			widget.DrawAt( drawer, text, font, Anchor.Centre, Anchor.Centre, x, y );
-			widgets[widgetIndex++] = widget;
-		}
-		
 		bool HasServers {
 			get {
 				return !(game.Session.Servers == null || game.Session.Servers.Count == 0 );

Launcher2/Gui/Screens/ClassiCubeServersScreen.cs

@@ -69,10 +69,10 @@ namespace Launcher2 {
 		void Draw() {
 			widgetIndex = 0;
 			
-			MakeTextAt( titleFont, "Search", -200, 10 );
+			MakeLabelAt( "Search", titleFont, Anchor.Centre, Anchor.Centre, -200, 10 );
 			MakeInput( Get(), 270, Anchor.LeftOrTop, false, -25, 5, 32 );
 			
-			MakeTextAt( inputFont, "../play/", -210, 55 );
+			MakeLabelAt( "../play/", inputFont, Anchor.Centre, Anchor.Centre, -210, 55 );
 			MakeInput( Get(), 320, Anchor.LeftOrTop, false, -20, 50, 32 );
 			((LauncherInputWidget)widgets[3]).ClipboardFilter = HashFilter;
 			
@@ -83,12 +83,6 @@ namespace Launcher2 {
 			MakeTableWidget();
 		}
 		
-		void MakeTextAt( Font font, string text, int x, int y ) {
-			LauncherLabelWidget widget = new LauncherLabelWidget( game, text );
-			widget.DrawAt( drawer, text, font, Anchor.Centre, Anchor.LeftOrTop, x, y );
-			widgets[widgetIndex++] = widget;
-		}
-		
 		void MakeTableWidget() {
 			if( widgets[tableIndex] != null ) {
 				LauncherTableWidget table = (LauncherTableWidget)widgets[tableIndex];

Launcher2/Gui/Screens/DirectConnectScreen.cs

@@ -73,17 +73,18 @@ namespace Launcher2 {
 		
 		void Draw() {
 			widgetIndex = 0;
-			MakeTextAt( "Username", -180, -100 );
-			MakeTextAt( "Address", -180, -50 );
-			MakeTextAt( "Mppass", -180, 0 );
+			MakeLabelAt( "Username", titleFont, Anchor.Centre, Anchor.Centre, -180, -100 );
+			MakeLabelAt( "Address", titleFont, Anchor.Centre, Anchor.Centre, -180, -50 );
+			MakeLabelAt( "Mppass", titleFont, Anchor.Centre, Anchor.Centre, -180, 0 );
 			
 			MakeInput( Get(), 300, Anchor.Centre, false, 30, -100, 32 );
 			MakeInput( Get(), 300, Anchor.Centre, false, 30, -50, 64 );
 			MakeInput( Get(), 300, Anchor.Centre, false, 30, 0, 32 );
 			
-			MakeButtonAt( "Connect", 110, 35, -65, 50, StartClient );			
-			MakeButtonAt( "Back", 80, 35, 140, 50, (x, y) => game.SetScreen( new MainScreen( game ) ) );
-			MakeTextAt( "", 0, 100 );
+			MakeButtonAt( "Connect", 110, 35, titleFont, Anchor.Centre, -65, 50, StartClient );			
+			MakeButtonAt( "Back", 80, 35, titleFont, Anchor.Centre, 
+			             140, 50, (x, y) => game.SetScreen( new MainScreen( game ) ) );
+			MakeLabelAt( "", titleFont, Anchor.Centre, Anchor.Centre, 0, 100 );
 		}
 		
 		void SetStatus( string text ) {
@@ -96,23 +97,6 @@ namespace Launcher2 {
 			}
 		}
 		
-		void MakeTextAt( string text, int x, int y ) {
-			LauncherLabelWidget widget = new LauncherLabelWidget( game, text );
-			widget.DrawAt( drawer, text, titleFont, Anchor.Centre, Anchor.Centre, x, y );
-			widgets[widgetIndex++] = widget;
-		}
-		
-		void MakeButtonAt( string text, int width, int height,
-		                  int x, int y, Action<int, int> onClick ) {
-			LauncherButtonWidget widget = new LauncherButtonWidget( game );
-			widget.Text = text;
-			widget.OnClick = onClick;
-			
-			widget.Active = false;
-			widget.DrawAt( drawer, text, titleFont, Anchor.Centre, Anchor.Centre, width, height, x, y );
-			widgets[widgetIndex++] = widget;
-		}
-		
 		void StartClient( int mouseX, int mouseY ) {
 			SetStatus( "" );
 			

Launcher2/Gui/Screens/LauncherInputScreen.cs

@@ -14,6 +14,7 @@ namespace Launcher2 {
 		}
 		
 		public override void Init() {
+			buttonFont = titleFont;
 			game.Window.Mouse.Move += MouseMove;
 			game.Window.Mouse.ButtonDown += MouseButtonDown;
 			
@@ -84,7 +85,7 @@ namespace Launcher2 {
 		
 		protected string Get( int index ) { 
 			LauncherWidget widget = widgets[index];
-			return widget == null ? "" : ((LauncherInputWidget)widget).Text;
+			return widget == null ? "" : widget.Text;
 		}
 		
 		protected void Set( int index, string text ) {
@@ -92,24 +93,6 @@ namespace Launcher2 {
 				.Redraw( drawer, text, inputFont );
 		}
 		
-		protected override void UnselectWidget( LauncherWidget widget ) {
-			LauncherButtonWidget button = widget as LauncherButtonWidget;
-			if( button != null ) {
-				button.Active = false;
-				button.Redraw( drawer, button.Text, titleFont );
-				Dirty = true;
-			}
-		}
-		
-		protected override void SelectWidget( LauncherWidget widget ) {
-			LauncherButtonWidget button = widget as LauncherButtonWidget;
-			if( button != null ) {
-				button.Active = true;
-				button.Redraw( drawer, button.Text, titleFont );
-				Dirty = true;
-			}
-		}
-		
 		protected LauncherInputWidget lastInput;
 		protected void InputClick( int mouseX, int mouseY ) {
 			LauncherInputWidget input = (LauncherInputWidget)selectedWidget;

Launcher2/Gui/Screens/LauncherScreen.cs

@@ -56,12 +56,26 @@ namespace Launcher2 {
 			selectedWidget = null;
 		}
 		
+		protected Font buttonFont;
+		
 		/// <summary> Called when the user has moved their mouse away from a previously selected widget. </summary>
 		protected virtual void UnselectWidget( LauncherWidget widget ) {
+			LauncherButtonWidget button = widget as LauncherButtonWidget;
+			if( button != null ) {
+				button.Active = false;
+				button.Redraw( drawer, button.Text, buttonFont );
+				Dirty = true;
+			}
 		}
 		
 		/// <summary> Called when user has moved their mouse over a given widget. </summary>
 		protected virtual void SelectWidget( LauncherWidget widget ) {
+			LauncherButtonWidget button = widget as LauncherButtonWidget;
+			if( button != null ) {
+				button.Active = true;
+				button.Redraw( drawer, button.Text, buttonFont );
+				Dirty = true;
+			}
 		}
 		
 		protected LauncherWidget lastClicked;
@@ -126,5 +140,17 @@ namespace Launcher2 {
 			widget.DrawAt( drawer, text, font, Anchor.Centre, verAnchor, width, height, x, y );
 			widgets[widgetIndex++] = widget;
 		}
+		
+		protected void MakeLabelAt( string text, Font font, Anchor horAnchor, Anchor verAnchor, int x, int y) {
+			if( widgets[widgetIndex] != null ) {
+				LauncherLabelWidget input = (LauncherLabelWidget)widgets[widgetIndex];
+				input.DrawAt( drawer, text, font, horAnchor, verAnchor, x, y );
+			} else {
+				LauncherLabelWidget widget = new LauncherLabelWidget( game, text );
+				widget.DrawAt( drawer, text, font, horAnchor, verAnchor, x, y );
+				widgets[widgetIndex] = widget;
+			}
+			widgetIndex++;
+		}
 	}
 }

Launcher2/Gui/Screens/MainScreen.cs

@@ -70,6 +70,10 @@ namespace Launcher2 {
 			MakeButtonAt( "Singleplayer", Anchor.Centre, Anchor.Centre,
 			             buttonWidth, buttonHeight, 0, 0,
 			             (x, y) => Client.Start( "default.zip" ) );
+			
+			MakeButtonAt( "Check for updates", Anchor.Centre, Anchor.Centre,
+			             buttonWidth, buttonHeight, 0, 100,
+			             (x, y) => game.SetScreen( new UpdatesScreen( game ) ) );
 		}
 		
 		const int buttonWidth = 220, buttonHeight = 35, sideButtonWidth = 150;

Launcher2/Gui/Screens/ResourcesScreen.cs

@@ -15,6 +15,7 @@ namespace Launcher2 {
 			textFont = new Font( "Arial", 16, FontStyle.Bold );
 			infoFont = new Font( "Arial", 14, FontStyle.Regular );
 			statusFont = new Font( "Arial", 13, FontStyle.Italic );
+			buttonFont = textFont;
 			widgets = new LauncherWidget[4];
 		}
 
@@ -41,24 +42,6 @@ namespace Launcher2 {
 			Dirty = true;
 		}
 		
-		protected override void UnselectWidget( LauncherWidget widget ) {
-			LauncherButtonWidget button = widget as LauncherButtonWidget;
-			if( button != null ) {
-				button.Active = false;
-				button.Redraw( drawer, button.Text, textFont );
-				Dirty = true;
-			}
-		}
-		
-		protected override void SelectWidget( LauncherWidget widget ) {
-			LauncherButtonWidget button = widget as LauncherButtonWidget;
-			if( button != null ) {
-				button.Active = true;
-				button.Redraw( drawer, button.Text, textFont );
-				Dirty = true;
-			}
-		}
-		
 		ResourceFetcher fetcher;
 		void DownloadResources( int mouseX, int mouseY ) {
 			if( game.Downloader == null )
@@ -85,10 +68,9 @@ namespace Launcher2 {
 			drawer.DrawRect( backCol, game.Width / 2 - 175,
 			                game.Height / 2 - 70, 175 * 2, 70 * 2 );
 			
-			string text = widgets[0] == null ?
-				String.Format( format, ResourceFetcher.EstimateDownloadSize().ToString( "F2" ) )
-				: ((LauncherLabelWidget)widgets[0]).Text;
-			MakeTextAt( statusFont, text, 0, 5 );
+			string text = widgets[0] != null ? widgets[0].Text
+				: String.Format( format, ResourceFetcher.EstimateDownloadSize() );
+			MakeLabelAt( text, statusFont, Anchor.Centre, Anchor.Centre, 0, 5 );
 
 			// Clear the entire previous widgets state.
 			for( int i = 1; i < widgets.Length; i++ ) {
@@ -98,7 +80,7 @@ namespace Launcher2 {
 			}
 			
 			if( fetcher == null ) {
-				MakeTextAt( infoFont, mainText, 0, -30 );
+				MakeLabelAt( mainText, infoFont, Anchor.Centre, Anchor.Centre, 0, -30 );
 				MakeButtonAt( "Yes", 60, 30, textFont, Anchor.Centre,
 				             -50, 40, DownloadResources );
 				
@@ -120,12 +102,6 @@ namespace Launcher2 {
 			}
 		}
 		
-		void MakeTextAt( Font font, string text, int x, int y ) {
-			LauncherLabelWidget widget = new LauncherLabelWidget( game, text );
-			widget.DrawAt( drawer, text, font, Anchor.Centre, Anchor.Centre, x, y );
-			widgets[widgetIndex++] = widget;
-		}
-		
 		public override void Dispose() {
 			game.Window.Mouse.Move -= MouseMove;
 			game.Window.Mouse.ButtonDown -= MouseButtonDown;

Launcher2/Gui/Screens/UpdatesScreen.cs

@@ -0,0 +1,113 @@
+using System;
+using System.Drawing;
+using System.Globalization;
+using System.IO;
+using System.Net;
+using ClassicalSharp;
+
+namespace Launcher2 {
+	
+	public sealed class UpdatesScreen : LauncherScreen {
+		
+		Font titleFont, infoFont;
+		public UpdatesScreen( LauncherWindow game ) : base( game ) {
+			game.Window.Mouse.Move += MouseMove;
+			game.Window.Mouse.ButtonDown += MouseButtonDown;
+			
+			titleFont = new Font( "Arial", 16, FontStyle.Bold );
+			infoFont = new Font( "Arial", 14, FontStyle.Regular );
+			buttonFont = titleFont;
+			widgets = new LauncherWidget[16];
+		}
+
+		UpdateCheckTask checkTask;
+		public override void Init() {
+			checkTask = new UpdateCheckTask();
+			checkTask.CheckForUpdatesAsync();
+			Resize(); 
+		}
+		
+		public override void Tick() {
+			if( checkTask != null && !checkTask.Working ) {
+				if( checkTask.Exception != null ) {
+					updateCheckFailed = true;
+				} else {
+					lastStable = DateTime.Parse( checkTask.LatestStableDate, 
+					                            null, DateTimeStyles.AssumeUniversal );
+					lastDev =  DateTime.Parse( checkTask.LatestDevDate,
+					                            null, DateTimeStyles.AssumeUniversal );
+					
+					validStable = Int32.Parse( checkTask.LatestStableSize ) > 50000;
+					validDev = Int32.Parse( checkTask.LatestDevSize ) > 50000;				
+				}
+				checkTask = null;
+				game.MakeBackground();
+				Resize();
+			}
+		}
+		
+		public override void Resize() {
+			using( drawer ) {
+				drawer.SetBitmap( game.Framebuffer );
+				Draw();
+			}
+			Dirty = true;
+		}
+		
+		const string dateFormat = "dd-MM-yyyy HH:mm";
+		DateTime lastStable, lastDev;
+		bool validStable = true, validDev = true;
+		bool updateCheckFailed;
+		
+		void Draw() {
+			widgetIndex = 0;
+			
+			MakeLabelAt( "Your build:", titleFont, Anchor.Centre, Anchor.Centre, -55, -120 );
+			string yourBuild = File.GetLastWriteTimeUtc( "ClassicalSharp.exe" ).ToString( dateFormat );
+			MakeLabelAt( yourBuild, infoFont, Anchor.Centre, Anchor.Centre, 100, -120 );
+			
+			MakeLabelAt( "Latest stable:", titleFont, Anchor.Centre, Anchor.Centre, -70, -80 );
+			string latestStable = GetDateString( lastStable, validStable );
+			MakeLabelAt( latestStable, infoFont, Anchor.Centre, Anchor.Centre, 100, -80 );
+			MakeButtonAt( "Update to stable", 180, 30, titleFont, Anchor.Centre, 0, -40,
+			             (x, y) => UpdateBuild( lastDev, validDev, "latest.Release.zip" ) );
+			
+			MakeLabelAt( "Latest OpenGL dev:", titleFont, Anchor.Centre, Anchor.Centre, -100, 0 );
+			string latestDev = GetDateString( lastDev, validDev );
+			MakeLabelAt( latestDev, infoFont, Anchor.Centre, Anchor.Centre, 100, 0 );
+			MakeButtonAt( "Update to OpenGL dev", 240, 30, titleFont, Anchor.Centre, 0, 40,
+			             (x, y) => UpdateBuild( lastDev, validDev, "latest.zip" ) );
+			
+			MakeLabelAt( "Latest D3D9 dev:", titleFont, Anchor.Centre, Anchor.Centre, -85, 80 );
+			MakeLabelAt( latestDev, infoFont, Anchor.Centre, Anchor.Centre, 100, 80 );
+			MakeButtonAt( "Update to D3D9 dev", 230, 30, titleFont, Anchor.Centre, 0, 120,
+			             (x, y) => UpdateBuild( lastDev, validDev, "latest.DirectX.zip" ) );
+			             
+			MakeButtonAt( "Back", 80, 35, titleFont, Anchor.Centre,
+			             0, 200, (x, y) => game.SetScreen( new MainScreen( game ) ) );
+		}
+		
+		string GetDateString( DateTime last, bool valid ) {
+			if( updateCheckFailed ) return "Update check failed";
+			if( !valid ) return "Build corrupted";
+			if( last == DateTime.MinValue ) return "Checking..";
+			return last.ToString( dateFormat );
+		}
+		
+		void UpdateBuild( DateTime last, bool valid, string dir ) {
+			if( last == DateTime.MinValue || !valid ) return;
+			
+			using( WebClient client = new WebClient() ) {
+				client.DownloadFile( UpdateCheckTask.UpdatesUri + dir, "update.zip" );
+			}
+		}
+		
+		public override void Dispose() {
+			game.Window.Mouse.Move -= MouseMove;
+			game.Window.Mouse.ButtonDown -= MouseButtonDown;
+			
+			titleFont.Dispose();
+			infoFont.Dispose();
+		}
+	}
+}

Launcher2/Gui/Widgets/LauncherButtonWidget.cs

@@ -7,7 +7,6 @@ namespace Launcher2 {
 	public sealed class LauncherButtonWidget : LauncherWidget {
 		
 		public int ButtonWidth, ButtonHeight;
-		public string Text;
 		public bool Shadow = true;
 		public bool Active = false;
 		

Launcher2/Gui/Widgets/LauncherInputWidget.cs

@@ -9,7 +9,6 @@ namespace Launcher2 {
 	public sealed class LauncherInputWidget : LauncherWidget {
 		
 		public int ButtonWidth, ButtonHeight;
-		public string Text;
 		
 		/// <summary> Whether the input widget currently is focused through a mouse click or tab. </summary>
 		public bool Active;

Launcher2/Gui/Widgets/LauncherLabelWidget.cs

@@ -7,8 +7,6 @@ namespace Launcher2 {
 	/// <summary> Widget that represents text that cannot be modified by the user. </summary>
 	public sealed class LauncherLabelWidget : LauncherWidget {
 		
-		public string Text;
-		
 		public LauncherLabelWidget( LauncherWindow window, string text ) : base( window ) {
 			Text = text;
 		}

Launcher2/Gui/Widgets/LauncherWidget.cs

@@ -9,6 +9,8 @@ namespace Launcher2 {
 		public LauncherWindow Window;
 		public Action<int, int> OnClick;
 		
+		public string Text;
+		
 		public LauncherWidget( LauncherWindow window ) {
 			Window = window;
 		}

Launcher2/Launcher2.csproj

@@ -4,7 +4,7 @@
     <ProjectGuid>{3E84ACC1-27B4-401B-A359-6AAE4DF6C9B5}</ProjectGuid>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <OutputType>WinExe</OutputType>
+    <OutputType>Exe</OutputType>
     <RootNamespace>Launcher2</RootNamespace>
     <AssemblyName>Launcher2</AssemblyName>
     <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
@@ -58,6 +58,7 @@
     <Compile Include="Gui\Screens\LauncherScreen.cs" />
     <Compile Include="Gui\Screens\MainScreen.cs" />
     <Compile Include="Gui\Screens\ResourcesScreen.cs" />
+    <Compile Include="Gui\Screens\UpdatesScreen.cs" />
     <Compile Include="Gui\TableWidget\LauncherTableWidget.cs" />
     <Compile Include="Gui\TableWidget\LauncherTableWidget.Input.cs" />
     <Compile Include="Gui\Widgets\LauncherButtonWidget.cs" />
@@ -76,8 +77,9 @@
     <Compile Include="Utils\ClientStartData.cs" />
     <Compile Include="Utils\Secure.cs" />
     <Compile Include="WebService\ClassiCubeSession.cs" />
-    <Compile Include="WebService\GameSession.cs" />
+    <Compile Include="WebService\IWebTask.cs" />
     <Compile Include="WebService\ServerListEntry.cs" />
+    <Compile Include="WebService\UpdateCheckTask.cs" />
     <Compile Include="WebService\WebUtility.cs" />
   </ItemGroup>
   <ItemGroup>

Launcher2/Patcher/ResourceFetcher.cs

@@ -55,9 +55,10 @@ namespace Launcher2 {
 			return File.Exists( "default.zip" );
 		}
 		
-		public static float EstimateDownloadSize() {
-			return (291 + 4621 + 7) / 1024f;
-			// clasic.jar + 1.6.2.jar + terrain-patch.png
+		public static string EstimateDownloadSize() {
+			float size = (291 + 4621 + 7) / 1024f;
+			// classic.jar + 1.6.2.jar + terrain-patch.png
+			return size.ToString( "F2" );
 		}
 	}
 }

Launcher2/WebService/ClassiCubeSession.cs

@@ -1,9 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Net;
+using System.Threading;
 
 namespace Launcher2 {
 	
-	public class ClassicubeSession : GameSession {
+	public sealed class ClassicubeSession : IWebTask {
 		
 		const string classicubeNetUri = "https://www.classicube.net/",
 		loginUri = "https://www.classicube.net/acc/login",
@@ -13,7 +15,43 @@ namespace Launcher2 {
 		const string loggedInAs = @"<a href=""/acc"" class=""button"">";
 		StringComparison ordinal = StringComparison.Ordinal;
 		
-		public override void Login( string user, string password ) {
+		public List<ServerListEntry> Servers = new List<ServerListEntry>();
+		
+		public void LoginAsync( string user, string password ) {
+			Username = user;
+			Working = true;
+			Exception = null;
+			Status = "&eSigning in..";
+			Servers = new List<ServerListEntry>();
+			
+			Thread thread = new Thread( LoginWorker, 256 * 1024 );
+			thread.Name = "Launcher.CCLoginAsync";
+			thread.Start( password );
+		}
+		
+		void LoginWorker( object password ) {
+			// Sign in to classicube.net
+			try {
+				Login( Username, (string)password );
+			} catch( WebException ex ) {
+				Finish( false, ex, "sign in" ); return;
+			} catch( InvalidOperationException ex ) {
+				Finish( false, null, "&eFailed to sign in: " +
+				       Environment.NewLine + ex.Message ); return;
+			}
+			
+			// Retrieve list of public servers
+			Status = "&eRetrieving public servers list..";
+			try {
+				Servers = GetPublicServers();
+			} catch( WebException ex ) {
+				Servers = new List<ServerListEntry>();
+				Finish( false, ex, "retrieving servers list" ); return;
+			}
+			Finish( true, null, "&eSigned in" );
+		}
+		
+		void Login( string user, string password ) {
 			Username = user;
 			// Step 1: GET csrf token from login page.
 			var swGet = System.Diagnostics.Stopwatch.StartNew();
@@ -52,7 +90,7 @@ namespace Launcher2 {
 			}
 		}
 		
-		public override ClientStartData GetConnectInfo( string hash ) {
+		public ClientStartData GetConnectInfo( string hash ) {
 			string uri = playUri + hash;
 			var response = GetHtml( uri, classicubeNetUri );
 			ClientStartData data = new ClientStartData();
@@ -61,7 +99,7 @@ namespace Launcher2 {
 			foreach( string line in response ) {
 				int index = 0;
 				// Look for <param name="x" value="x"> tags
-				if( ( index = line.IndexOf( "<param", ordinal ) ) > 0 ) {
+				if( (index = line.IndexOf( "<param", ordinal )) > 0 ) {
 					int nameStart = index + 13;
 					int nameEnd = line.IndexOf( '"', nameStart );
 					string paramName = line.Substring( nameStart, nameEnd - nameStart );
@@ -85,7 +123,7 @@ namespace Launcher2 {
 			return line.Substring( valueStart, valueEnd - valueStart );
 		}
 		
-		public override List<ServerListEntry> GetPublicServers() {
+		public List<ServerListEntry> GetPublicServers() {
 			var sw = System.Diagnostics.Stopwatch.StartNew();
 			var response = GetHtml( publicServersUri, classicubeNetUri );
 			List<ServerListEntry> servers = new List<ServerListEntry>();

Launcher2/WebService/IWebTask.cs

@@ -3,59 +3,30 @@ using System.Collections.Generic;
 using System.IO;
 using System.Net;
 using System.Text;
-using System.Threading;
 
 namespace Launcher2 {
 
-	public abstract class GameSession {
-		
-		public string Username;
+	/// <summary> Represents a task that performs a series of GET or POST requests asynchronously. </summary>
+	public abstract class IWebTask {
 		
 		public virtual void ResetSession() {
 			Username = null;
 			cookies = new CookieContainer();
 		}
 		
+		/// <summary> Whether this web task is still performing GET or POST requests asynchronously. </summary>
 		public bool Working;
+		
+		/// <summary> Handled exception that was generated by the last GET or POST request. </summary>
 		public WebException Exception;
+		
+		/// <summary> Current status of this web task (e.g. downloading page X) </summary>
 		public string Status;
-		public List<ServerListEntry> Servers = new List<ServerListEntry>();
 		
-		public void LoginAsync( string user, string password ) {
-			Username = user;
-			Working = true;
-			Exception = null;
-			Status = "&eSigning in..";
-			Servers = new List<ServerListEntry>();
+		/// <summary> Username used when performing GET or POST requests, can be left null. </summary>
+		public string Username;
 		
-			Thread thread = new Thread( LoginWorker, 256 * 1024 );
-			thread.Name = "Launcher.LoginAsync";
-			thread.Start( password );
-		}
-		
-		void LoginWorker( object password ) {
-			// Sign in to classicube.net
-			try {
-				Login( Username, (string)password );
-			} catch( WebException ex ) {
-				Finish( false, ex, "sign in" ); return;
-			} catch( InvalidOperationException ex ) {
-				Finish( false, null, "&eFailed to sign in: " +
-				       Environment.NewLine + ex.Message ); return;
-			}
-			
-			// Retrieve list of public servers
-			Status = "&eRetrieving public servers list..";
-			try {
-				Servers = GetPublicServers();
-			} catch( WebException ex ) {
-				Servers = new List<ServerListEntry>();
-				Finish( false, ex, "retrieving servers list" ); return;
-			}
-			Finish( true, null, "&eSigned in" );
-		}
-		
-		void Finish( bool success, WebException ex, string status ) {
+		protected void Finish( bool success, WebException ex, string status ) {
 			if( !success ) 
 				Username = null;
 			Working = false;
@@ -64,13 +35,7 @@ namespace Launcher2 {
 			Status = status;
 		}
 		
-		public abstract void Login( string user, string password );
-		
-		public abstract ClientStartData GetConnectInfo( string hash );
-		
-		public abstract List<ServerListEntry> GetPublicServers();
-		
-		CookieContainer cookies = new CookieContainer();
+		protected CookieContainer cookies = new CookieContainer();
 		
 		protected HttpWebResponse MakeRequest( string uri, string referer, string data ) {
 			HttpWebRequest request = (HttpWebRequest)WebRequest.Create( uri );

Launcher2/WebService/UpdateCheckTask.cs

@@ -0,0 +1,78 @@
+using System;
+using System.Net;
+using System.Threading;
+
+namespace Launcher2 {
+	
+	public sealed class UpdateCheckTask : IWebTask {
+		
+		public const string UpdatesUri = "http://cs.classicube.net/";
+		StringComparison ordinal = StringComparison.Ordinal;
+		
+		public string LatestStableDate, LatestStableSize;
+		public string LatestDevDate, LatestDevSize;
+		
+		public void CheckForUpdatesAsync() {
+			Working = true;
+			Exception = null;
+			LatestStableDate = null; LatestStableSize = null;
+			LatestDevDate = null; LatestDevSize = null;
+			
+			Thread thread = new Thread( UpdateWorker, 256 * 1024 );
+			thread.Name = "Launcher.UpdateCheck";
+			thread.Start();
+		}
+		
+		void UpdateWorker() {
+			try {
+				CheckUpdates();
+			} catch( WebException ex ) {
+				Finish( false, ex, null ); return;
+			}
+			Finish( true, null, null );
+		}
+		
+		void CheckUpdates() {
+			var response = GetHtml( UpdatesUri, UpdatesUri );
+			foreach( string line in response ) {
+				Console.WriteLine( line );
+				if( line.StartsWith( "latest.", ordinal ) ) {
+					int index = 0;
+					string buildName = ReadToken( line, ref index );
+					string date = ReadToken( line, ref index );
+					string time = ReadToken( line, ref index );
+					string buildSize = ReadToken( line, ref index );
+					
+					
+					if( line.StartsWith( "latest.zip", ordinal ) ) {
+						LatestDevDate = date + " " + time;
+						LatestDevSize = buildSize;
+					} else if( line.StartsWith( "latest.Release.zip", ordinal ) ) {
+						LatestStableDate = date + " " + time;
+						LatestStableSize = buildSize;
+					}
+				}
+			}
+		}
+		
+		string ReadToken( string value, ref int index ) {
+			int start = index;
+			int wordEnd = -1;
+			for( ; index < value.Length; index++ ) {
+				if( value[index] == ' ' ) {
+					// found end of this word
+					if( wordEnd == -1 )
+						wordEnd = index;
+				} else {
+					// found start of next word
+					if( wordEnd != -1 )
+						break;
+				}
+			}
+			
+			if( wordEnd == -1 ) 
+				wordEnd = value.Length;
+			return value.Substring( start, wordEnd - start );
+		}
+	}
+}