MOTD ticker. ScrollingText Widget

OpenRA.Game/OpenRA.Game.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
-    <ProductVersion>9.0.30729</ProductVersion>
+    <ProductVersion>9.0.21022</ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{0DFB103F-2962-400F-8C6D-E2C28CCBA633}</ProjectGuid>
     <OutputType>WinExe</OutputType>
@@ -230,6 +230,7 @@
     <Compile Include="Traits\Valued.cs" />
     <Compile Include="Traits\World\BibLayer.cs" />
     <Compile Include="Widgets\Delegates\DeveloperModeDelegate.cs" />
+    <Compile Include="Widgets\ScrollingTextWidget.cs" />
   </ItemGroup>
   <ItemGroup>
     <BootstrapperPackage Include="Microsoft.Net.Framework.2.0">

OpenRA.Game/Widgets/Delegates/MainMenuButtonsDelegate.cs

@@ -10,6 +10,8 @@
 
 using OpenRA.FileFormats;
 using OpenRA.Server;
+using System.Net;
+using System.IO;
 
 namespace OpenRA.Widgets.Delegates
 {
@@ -27,6 +29,8 @@ namespace OpenRA.Widgets.Delegates
 
 			var version = widget.GetWidget<LabelWidget>("VERSION_STRING");
 
+			var motd = widget.GetWidget<ScrollingTextWidget>("MOTD_SCROLLER");
+
 			if (FileSystem.Exists("VERSION"))
 			{
 				var s = FileSystem.Open("VERSION");
@@ -35,6 +39,33 @@ namespace OpenRA.Widgets.Delegates
 				MasterServerQuery.OnVersion += v => { if (!string.IsNullOrEmpty(v)) version.Text += "\nLatest: " + v; };
 				MasterServerQuery.GetCurrentVersion(Game.Settings.Server.MasterServer);
 			}
+			else
+			{
+				version.Text = "Dev Build";
+			}
+
+			if (motd != null)
+			{
+				motd.Text = "Welcome to OpenRA. MOTD unable to be loaded from server.";
+
+				string URL = "http://open-ra.org/master/motd.php?v=" + version.Text;
+
+				WebRequest req = WebRequest.Create(URL);
+				StreamReader reader = null;
+				try
+				{
+					reader = new StreamReader(req.GetResponse().GetResponseStream());
+				}
+				catch (WebException e)
+				{
+					reader.Close();
+					return;
+				}
+				var result = reader.ReadToEnd();
+				reader.Close();
+				
+				motd.Text = result;
+			}
 		}
 	}
 }

OpenRA.Game/Widgets/ScrollingTextWidget.cs

@@ -0,0 +1,99 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Drawing;
+
+namespace OpenRA.Widgets
+{
+	class ScrollingTextWidget : Widget
+	{
+		public string Text = "";
+		public string Background = null;
+
+		public bool Bold = false;
+
+		public int ScrollLength = 200;
+
+		// ticks per single letter scroll
+		public int ScrollRate = 4;
+
+		private string ScrollBuffer = "";
+
+		private int ScrollLocation = 0;
+		private int ScrollTick = 0;
+
+		public Func<string> GetText;
+		public Func<string> GetBackground;
+
+		public ScrollingTextWidget()
+			: base()
+		{
+			GetText = () => Text;
+			GetBackground = () => Background;
+		}
+
+		protected ScrollingTextWidget(ScrollingTextWidget other)
+			: base(other)
+		{
+			Text = other.Text;
+			GetText = other.GetText;
+			Bold = other.Bold;
+			GetBackground = other.GetBackground;
+		}
+
+		public override void Tick(World world)
+		{
+			UpdateScrollBuffer();
+		}
+
+		private void UpdateScrollBuffer()
+		{
+			ScrollTick++;
+
+			if (ScrollTick < ScrollRate)
+			{
+				return;
+			}
+
+			ScrollTick = 0;
+			ScrollBuffer = "";
+
+			if (Text.Substring(Text.Length - 4, 3) != "   ")
+			{
+				Text += "   ";
+			}
+
+			int tempScrollLocation = ScrollLocation;
+			for (int i = 0; i < ScrollLength; ++i)
+			{
+				ScrollBuffer += Text.Substring(tempScrollLocation, 1);
+				tempScrollLocation = (tempScrollLocation + 1) % Text.Length;
+			}
+
+			ScrollLocation = (ScrollLocation + 1) % Text.Length;
+		}
+		
+		public override void DrawInner(World world)
+		{
+			var bg = GetBackground();
+
+			if (bg != null)
+				WidgetUtils.DrawPanel(bg, RenderBounds);
+
+			var font = (Bold) ? Game.Renderer.BoldFont : Game.Renderer.RegularFont;
+			var text = GetText();
+			if (text == null)
+				return;
+
+			int2 textSize = font.Measure(text);
+			int2 position = RenderOrigin + new int2(0, (Bounds.Height - textSize.Y) / 2);
+
+			Game.Renderer.EnableScissor(position.X, position.Y, Bounds.Width, Bounds.Height);
+			font.DrawText(ScrollBuffer, position, Color.White);
+			Game.Renderer.DisableScissor();
+		}
+
+		public override Widget Clone() { return new ScrollingTextWidget(this); }
+	}
+}

OpenRA.Game/Widgets/ViewportScrollControllerWidget.cs

@@ -171,4 +171,4 @@ namespace OpenRA.Widgets
 			return (d.Includes(s) != val) ? d ^ s : d;
 		}
 	}
-}
+}

mods/cnc/chrome/mainmenu.yaml

@@ -6,6 +6,39 @@ Background@MAINMENU_BG:
 	Height:290
 	Delegate:MainMenuButtonsDelegate
 	Children:
+		Background@MOTD_BG:
+			Id:MOTD_BG
+			X:0 - PARENT_LEFT + WINDOW_RIGHT/3
+			Y:0 - PARENT_TOP + 44
+			Width:WINDOW_RIGHT/3
+			Height:30
+			Background:dialog4
+			Children:
+				ScrollingText@MOTD_SCROLLER:
+					Id:MOTD_SCROLLER
+					X:15
+					Y:2
+					Width:PARENT_RIGHT - 30
+					Height:25
+					ScrollRate:8
+					Text:This is a super duper huge long Scrolling Test
+		Background@MOTD_LABEL_BG
+			Id:MOTD_LABEL_BG
+			X:0 - PARENT_LEFT + (WINDOW_RIGHT/16)*7
+			Y:0 - PARENT_TOP + 15
+			Width:(WINDOW_RIGHT/16)*2
+			Height:30
+			Background:dialog4
+			Children:
+				Label@MOTD_LABEL
+					Id:MOTD_LABEL
+					X:0
+					Y:2
+					Width:(WINDOW_RIGHT/16)*2
+					Height:25
+					Text:Message of the Day
+					Align:Center
+					Bold:True
 		Label@MAINMENU_LABEL_TITLE:
 			Id:MAINMENU_LABEL_TITLE
 			X:0

mods/ra/chrome/mainmenu.yaml

@@ -6,6 +6,39 @@ Background@MAINMENU_BG:
 	Height:290
 	Delegate:MainMenuButtonsDelegate
 	Children:
+		Background@MOTD_BG:
+			Id:MOTD_BG
+			X:0 - PARENT_LEFT + WINDOW_RIGHT/3
+			Y:0 - PARENT_TOP + 44
+			Width:WINDOW_RIGHT/3
+			Height:30
+			Background:dialog4
+			Children:
+				ScrollingText@MOTD_SCROLLER:
+					Id:MOTD_SCROLLER
+					X:15
+					Y:2
+					Width:PARENT_RIGHT - 30
+					Height:25
+					ScrollRate:8
+					Text:This is a super duper huge long Scrolling Test
+		Background@MOTD_LABEL_BG
+			Id:MOTD_LABEL_BG
+			X:0 - PARENT_LEFT + (WINDOW_RIGHT/16)*7
+			Y:0 - PARENT_TOP + 15
+			Width:(WINDOW_RIGHT/16)*2
+			Height:30
+			Background:dialog4
+			Children:
+				Label@MOTD_LABEL
+					Id:MOTD_LABEL
+					X:0
+					Y:2
+					Width:(WINDOW_RIGHT/16)*2
+					Height:25
+					Text:Message of the Day
+					Align:Center
+					Bold:True
 		Label@MAINMENU_LABEL_TITLE:
 			Id:MAINMENU_LABEL_TITLE
 			X:0