Music installation

OpenRA.Game/GameRules/MusicInfo.cs

@@ -16,8 +16,8 @@ namespace OpenRA.GameRules
 	{
 		public readonly string Filename = null;
 		public readonly string Title = null;
-		public readonly int Length = 0; // seconds
+		public int Length { get; private set; } // seconds
-		public readonly bool Exists = false;
+		public bool Exists { get; private set; }
 
 		public MusicInfo( string key, MiniYaml value )
 		{
@@ -30,5 +30,14 @@ namespace OpenRA.GameRules
 			Exists = true;
 			Length = (int)AudLoader.SoundLength(FileSystem.Open(Filename));
 		}
+		
+		public void Reload()
+		{
+			if (!FileSystem.Exists(Filename))
+				return;
+			
+			Exists = true;
+			Length = (int)AudLoader.SoundLength(FileSystem.Open(Filename));
+		}
 	}
 }

OpenRA.Mods.Cnc/Widgets/CncMusicPlayerLogic.cs

@@ -16,6 +16,9 @@ using OpenRA.Support;
 using OpenRA.Widgets;
 using OpenRA.Traits;
 using OpenRA.Graphics;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading;
 
 namespace OpenRA.Mods.Cnc.Widgets
 {
@@ -39,7 +42,26 @@ namespace OpenRA.Mods.Cnc.Widgets
 			Func<bool> noMusic = () => !installed;
 			
 			panel.GetWidget<CncMenuButtonWidget>("BACK_BUTTON").OnClick = onExit;
-			panel.GetWidget<CncMenuButtonWidget>("INSTALL_BUTTON").IsDisabled = () => true;
+			
+			Action<string> afterInstall = path =>
+			{
+				// Mount the new mixfile and rebuild the scores list
+				try
+				{
+					FileSystem.Mount(path);
+					Rules.Music.Do(m => m.Value.Reload());
+				}
+				catch (Exception) { }
+				
+				installed = Rules.Music.Where(m => m.Value.Exists).Any();
+				BuildMusicTable(panel);
+			};
+			
+			var installButton = panel.GetWidget<CncMenuButtonWidget>("INSTALL_BUTTON");
+			installButton.OnClick = () =>
+				Widget.OpenWindow("INSTALL_MUSIC_PANEL", new Dictionary<string, object>() {{ "afterInstall", afterInstall }});
+			installButton.IsVisible = () => music.Length < 2; // Hack around ra shipping (only) hellmarch by default
+			
 			panel.GetWidget("NO_MUSIC_LABEL").IsVisible = noMusic;
 
 			var playButton = panel.GetWidget<CncMenuButtonWidget>("BUTTON_PLAY");
@@ -164,4 +186,91 @@ namespace OpenRA.Mods.Cnc.Widgets
 				.Skip(1).FirstOrDefault() ?? songs.FirstOrDefault();
 		}
 	}
+	
+	
+	public class CncInstallMusicLogic : IWidgetDelegate
+	{
+		Widget panel;
+		ProgressBarWidget progressBar;
+		LabelWidget statusLabel;
+		Action<string> afterInstall;
+		
+		[ObjectCreator.UseCtor]
+		public CncInstallMusicLogic([ObjectCreator.Param] Widget widget,
+		                       [ObjectCreator.Param] Action<string> afterInstall)
+		{
+			this.afterInstall = afterInstall;
+			panel = widget.GetWidget("INSTALL_MUSIC_PANEL");
+			progressBar = panel.GetWidget<ProgressBarWidget>("PROGRESS_BAR");
+			statusLabel = panel.GetWidget<LabelWidget>("STATUS_LABEL");
+			
+			var backButton = panel.GetWidget<CncMenuButtonWidget>("BACK_BUTTON");
+			backButton.OnClick = Widget.CloseWindow;
+			backButton.IsVisible = () => false;
+			
+			var retryButton = panel.GetWidget<CncMenuButtonWidget>("RETRY_BUTTON");
+			retryButton.OnClick = PromptForCD;
+			retryButton.IsVisible = () => false;
+			
+			// TODO: Search obvious places (platform dependent) for CD
+			PromptForCD();
+		}
+		
+		void PromptForCD()
+		{
+			progressBar.SetIndeterminate(true);
+			statusLabel.GetText = () => "Waiting for file";
+			Game.Utilities.PromptFilepathAsync("Select SCORES.MIX on the C&C CD", path => Game.RunAfterTick(() => Install(path)));
+		}
+		
+		void Install(string path)
+		{
+			var dest = new string[] { Platform.SupportDir, "Content", "cnc" }.Aggregate(Path.Combine);
+			
+			var onError = (Action<string>)(s =>
+			{
+				progressBar.SetIndeterminate(false);
+				statusLabel.GetText = () => "Error: "+s;
+				panel.GetWidget("RETRY_BUTTON").IsVisible = () => true;
+				panel.GetWidget("BACK_BUTTON").IsVisible = () => true;
+			});
+			
+			// Mount the package and check that it contains the correct files
+			try
+			{
+				var mixFile = new MixFile(path, 0);
+				
+				if (!mixFile.Exists("aoi.aud"))
+				{
+					onError("Not the C&C SCORES.MIX");
+					return;
+				}
+				
+				statusLabel.GetText = () => "Installing";
+				var t = new Thread( _ =>
+				{
+					var destPath = Path.Combine(dest, "scores.mix");
+					try
+					{
+						File.Copy(path, destPath, true);
+					}
+					catch (Exception)
+					{
+						onError("File copy failed");
+					}
+					
+					Game.RunAfterTick(() =>
+					{
+						Widget.CloseWindow(); // Progress panel
+						afterInstall(destPath);
+					});
+				}) { IsBackground = true };
+				t.Start();
+			}
+			catch (Exception)
+			{
+				onError("Invalid mix file");
+			}
+		}
+	}
 }

mods/cnc/chrome/music.yaml

@@ -182,4 +182,57 @@ Container@MUSIC_PANEL:
 			Y:399
 			Width:140
 			Height:35
-			Text:Install Music
+			Text:Install Music
+
+Container@INSTALL_MUSIC_PANEL:
+	Id:INSTALL_MUSIC_PANEL
+	Delegate:CncInstallMusicLogic
+	X:(WINDOW_RIGHT - WIDTH)/2
+	Y:(WINDOW_BOTTOM - 150)/2
+	Width:640
+	Height:150
+	Children:
+		Label@TITLE:
+			Width:PARENT_RIGHT
+			Y:0-25
+			Font:BigBold
+			Contrast:true
+			Align:Center
+			Text:Install Music
+		Background@bg:
+			Width:640
+			Height:150
+			Background:panel-black
+			Children:
+				Image@INSTALL:
+					X:11
+					Y:11
+					ImageCollection: install
+					ImageName: logo
+				ProgressBar@PROGRESS_BAR:
+					Id:PROGRESS_BAR
+					X:170
+					Y:45
+					Width:PARENT_RIGHT - 185
+					Height:35
+				Label@STATUS_LABEL:
+					Id:STATUS_LABEL
+					X:170
+					Y:85
+					Width:PARENT_RIGHT - 185
+					Height:25
+					Align:Left
+					Text:Waiting for file
+		CncMenuButton@BACK_BUTTON:
+			Id:BACK_BUTTON
+			Y:149
+			Width:140
+			Height:35
+			Text:Back
+		CncMenuButton@RETRY_BUTTON:
+			Id:RETRY_BUTTON
+			X:500
+			Y:149
+			Width:140
+			Height:35
+			Text:Retry