Add CashTricklerBar

OpenRA.Mods.Common/Traits/Render/CashTricklerBar.cs

@@ -0,0 +1,56 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2017 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.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits.Render
+{
+	[Desc("Display the time remaining until the next cash is given by actor's CashTrickler trait.")]
+	class CashTricklerBarInfo : ITraitInfo, Requires<CashTricklerInfo>
+	{
+		[Desc("Defines to which players the bar is to be shown.")]
+		public readonly Stance DisplayStances = Stance.Ally;
+
+		public readonly Color Color = Color.Magenta;
+
+		public object Create(ActorInitializer init) { return new CashTricklerBar(init.Self, this); }
+	}
+
+	class CashTricklerBar : ISelectionBar
+	{
+		readonly Actor self;
+		readonly CashTricklerBarInfo info;
+		readonly IEnumerable<CashTrickler> cashTricklers;
+
+		public CashTricklerBar(Actor self, CashTricklerBarInfo info)
+		{
+			this.self = self;
+			this.info = info;
+			cashTricklers = self.TraitsImplementing<CashTrickler>().ToArray();
+		}
+
+		float ISelectionBar.GetValue()
+		{
+			var viewer = self.World.RenderPlayer ?? self.World.LocalPlayer;
+			if (viewer != null && !info.DisplayStances.HasStance(self.Owner.Stances[viewer]))
+				return 0;
+
+			var complete = cashTricklers.Min(ct => (float)ct.Ticks / ct.Info.Interval);
+			return 1 - complete;
+		}
+
+		Color ISelectionBar.GetColor() { return info.Color; }
+		bool ISelectionBar.DisplayWhenEmpty { get { return false; } }
+	}
+}