Consolidate the production icons into a single widget. Add income tracking for players.

OpenRA.Mods.RA/Widgets/ObserverBuildIconsWidget.cs

@@ -0,0 +1,77 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2012 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;
+using System.Collections.Generic;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Widgets;
+using System.Drawing;
+
+namespace OpenRA.Mods.RA.Widgets
+{
+	public class ObserverBuildIconsWidget : Widget
+	{
+		public Func<Player> GetPlayer;
+		Dictionary<string, Sprite> iconSprites;
+		World world;
+		WorldRenderer worldRenderer;
+
+		[ObjectCreator.UseCtor]
+		public ObserverBuildIconsWidget(World world, WorldRenderer worldRenderer)
+			: base()
+		{
+			iconSprites = Rules.Info.Values.Where(u => u.Traits.Contains<BuildableInfo>() && u.Name[0] != '^')
+				.ToDictionary(
+				u => u.Name,
+				u => Game.modData.SpriteLoader.LoadAllSprites(u.Traits.Get<TooltipInfo>().Icon ?? (u.Name + "icon"))[0]);
+			this.world = world;
+			this.worldRenderer = worldRenderer;
+		}
+
+		protected ObserverBuildIconsWidget(ObserverBuildIconsWidget other)
+			: base(other)
+		{
+			GetPlayer = other.GetPlayer;
+			iconSprites = other.iconSprites;
+			world = other.world;
+			worldRenderer = other.worldRenderer;
+		}
+
+		public override void Draw()
+		{
+			var player = GetPlayer();
+			if (player == null)
+			{
+				return;
+			}
+			var queues = world.ActorsWithTrait<ProductionQueue>()
+				.Where(a => a.Actor.Owner == player)
+				.Select((a, i) => new { a.Trait, i });
+			foreach (var queue in queues)
+			{
+				var item = queue.Trait.CurrentItem();
+				if (item == null)
+				{
+					return;
+				}
+				var sprite = iconSprites[item.Item];
+				var size = sprite.size / new float2(2, 2);
+				var location = new float2(RenderBounds.Location) + new float2(queue.i * (int)size.Length, 0);
+				WidgetUtils.DrawSHP(sprite, location, worldRenderer, size);
+			}
+		}
+
+		public override Widget Clone()
+		{
+			return new ObserverBuildIconsWidget(this);
+		}
+	}
+}