eradicate 'delegate' misuse

OpenRA.Mods.RA/Widgets/Logic/MusicPlayerLogic.cs

@@ -0,0 +1,156 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made 
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Drawing;
+using System.Linq;
+using OpenRA.FileFormats;
+using OpenRA.Support;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.RA.Widgets.Logic
+{
+	public class MusicPlayerLogic
+	{
+		string CurrentSong = null;
+		public MusicPlayerLogic()
+		{
+			var bg = Widget.RootWidget.GetWidget("MUSIC_MENU");
+			CurrentSong = GetNextSong();
+
+			bg.GetWidget("BUTTON_CLOSE").OnMouseUp = mi => {
+				Game.Settings.Save();
+				Widget.CloseWindow();
+				return true;
+			};
+			
+			/*
+			var installed = Rules.Music.Count(m => m.Value.Exists) > 1;
+			// Hack around some mix packages including hellmarch for ra
+			bg.GetWidget("BUTTON_INSTALL").IsVisible = () => !installed;
+			bg.GetWidget("BUTTON_INSTALL").OnMouseUp = mi => {
+				return true;
+			};
+			*/
+			bg.GetWidget("BUTTON_INSTALL").IsVisible = () => false;
+			
+			bg.GetWidget("BUTTON_PLAY").OnMouseUp = mi =>
+			{
+				if (CurrentSong == null)
+					return true;
+				
+				Sound.PlayMusicThen(Rules.Music[CurrentSong],
+				      () => bg.GetWidget(Game.Settings.Sound.Repeat ? "BUTTON_PLAY" : "BUTTON_NEXT").OnMouseUp(new MouseInput()));
+				bg.GetWidget("BUTTON_PLAY").Visible = false;
+				bg.GetWidget("BUTTON_PAUSE").Visible = true;
+
+				return true;
+			};
+			
+			bg.GetWidget("BUTTON_PAUSE").OnMouseUp = mi =>
+			{				
+				Sound.PauseMusic();
+				bg.GetWidget("BUTTON_PAUSE").Visible = false;
+				bg.GetWidget("BUTTON_PLAY").Visible = true;
+				return true;
+			};
+			
+			bg.GetWidget("BUTTON_STOP").OnMouseUp = mi =>
+			{
+				Sound.StopMusic();
+				bg.GetWidget("BUTTON_PAUSE").Visible = false;
+				bg.GetWidget("BUTTON_PLAY").Visible = true;
+				
+				return true;
+			};
+			
+			bg.GetWidget("BUTTON_NEXT").OnMouseUp = mi =>
+			{
+				CurrentSong = GetNextSong();
+				return bg.GetWidget("BUTTON_PLAY").OnMouseUp(mi);
+			};
+
+			bg.GetWidget("BUTTON_PREV").OnMouseUp = mi =>
+			{
+				CurrentSong = GetPrevSong();
+				return bg.GetWidget("BUTTON_PLAY").OnMouseUp(mi);
+			};
+			
+			
+			var shuffleCheckbox = bg.GetWidget<CheckboxWidget>("SHUFFLE");
+			shuffleCheckbox.IsChecked = () => Game.Settings.Sound.Shuffle;
+			shuffleCheckbox.OnClick = () => Game.Settings.Sound.Shuffle ^= true;
+			
+			var repeatCheckbox = bg.GetWidget<CheckboxWidget>("REPEAT");
+			repeatCheckbox.IsChecked = () => Game.Settings.Sound.Repeat;
+			repeatCheckbox.OnClick = () => Game.Settings.Sound.Repeat ^= true;
+			
+			bg.GetWidget<LabelWidget>("TIME").GetText = () =>
+			{
+				if (CurrentSong == null)
+					return "";
+				return "{0:D2}:{1:D2} / {2:D2}:{3:D2}".F((int)Sound.MusicSeekPosition / 60, (int)Sound.MusicSeekPosition % 60,
+			                                                                                    Rules.Music[CurrentSong].Length / 60, Rules.Music[CurrentSong].Length % 60);
+			};
+			
+			var ml = bg.GetWidget<ScrollPanelWidget>("MUSIC_LIST");
+			var itemTemplate = ml.GetWidget<ScrollItemWidget>("MUSIC_TEMPLATE");
+			
+			if (!Rules.Music.Where(m => m.Value.Exists).Any())
+			{
+				itemTemplate.IsVisible = () => true;
+				itemTemplate.GetWidget<LabelWidget>("TITLE").GetText = () => "No Music Installed";
+				itemTemplate.GetWidget<LabelWidget>("TITLE").Align = LabelWidget.TextAlign.Center;
+			}
+			
+			foreach (var kv in Rules.Music.Where(m => m.Value.Exists))
+			{
+				var song = kv.Key;
+				if (CurrentSong == null)
+					CurrentSong = song;
+				
+				var item = ScrollItemWidget.Setup(itemTemplate, () => CurrentSong == song, () => { CurrentSong = song; bg.GetWidget("BUTTON_PLAY").OnMouseUp(new MouseInput()); });
+				item.GetWidget<LabelWidget>("TITLE").GetText = () => Rules.Music[song].Title;
+				item.GetWidget<LabelWidget>("LENGTH").GetText = () => "{0:D1}:{1:D2}".F(Rules.Music[song].Length / 60, Rules.Music[song].Length % 60);
+				ml.AddChild(item);
+			}
+		}
+		
+		string GetNextSong()
+		{
+			var songs = Rules.Music.Where(a => a.Value.Exists)
+				.Select(a => a.Key);
+			
+			if (!songs.Any())
+				return null;
+			
+			if (Game.Settings.Sound.Shuffle)
+				return songs.Random(Game.CosmeticRandom);
+			
+			return songs.SkipWhile(m => m != CurrentSong)
+				.Skip(1).FirstOrDefault() ?? songs.FirstOrDefault();
+
+		}
+
+		string GetPrevSong()
+		{
+			var songs = Rules.Music.Where(a => a.Value.Exists)
+				.Select(a => a.Key).Reverse();
+			
+			if (!songs.Any())
+				return null;
+			
+			if (Game.Settings.Sound.Shuffle)
+				return songs.Random(Game.CosmeticRandom);
+			
+			return songs.SkipWhile(m => m != CurrentSong)
+				.Skip(1).FirstOrDefault() ?? songs.FirstOrDefault();
+		}
+	}
+}