Added widget showing the army for players in spec

OpenRA.Mods.Common/Widgets/Logic/Ingame/ArmyTooltipLogic.cs

@@ -0,0 +1,67 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2020 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, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using System.Linq;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets.Logic
+{
+	public class ArmyTooltipLogic : ChromeLogic
+	{
+		[ObjectCreator.UseCtor]
+		public ArmyTooltipLogic(Widget widget, TooltipContainerWidget tooltipContainer, Func<ArmyUnit> getTooltipUnit)
+		{
+			widget.IsVisible = () => getTooltipUnit() != null;
+			var nameLabel = widget.Get<LabelWidget>("NAME");
+			var descLabel = widget.Get<LabelWidget>("DESC");
+
+			var font = Game.Renderer.Fonts[nameLabel.Font];
+			var descFont = Game.Renderer.Fonts[descLabel.Font];
+
+			ArmyUnit lastArmyUnit = null;
+			var descLabelPadding = descLabel.Bounds.Height;
+
+			tooltipContainer.BeforeRender = () =>
+			{
+				var armyUnit = getTooltipUnit();
+
+				if (armyUnit == null || armyUnit == lastArmyUnit)
+					return;
+
+				var tooltip = armyUnit.TooltipInfo;
+				var name = tooltip != null ? tooltip.Name : armyUnit.ActorInfo.Name;
+				var buildable = armyUnit.BuildableInfo;
+
+				nameLabel.Text = name;
+
+				var nameSize = font.Measure(name);
+
+				descLabel.Text = buildable.Description.Replace("\\n", "\n");
+				var descSize = descFont.Measure(descLabel.Text);
+				descLabel.Bounds.Width = descSize.X;
+				descLabel.Bounds.Height = descSize.Y + descLabelPadding;
+
+				var leftWidth = Math.Max(nameSize.X, descSize.X);
+
+				widget.Bounds.Width = leftWidth + 2 * nameLabel.Bounds.X;
+
+				// Set the bottom margin to match the left margin
+				var leftHeight = descLabel.Bounds.Bottom + descLabel.Bounds.X;
+
+				widget.Bounds.Height = leftHeight;
+
+				lastArmyUnit = armyUnit;
+			};
+		}
+	}
+}