Move Render*Circle, ThrowsParticle and ParatroopersPower to appropriate locations

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

@@ -0,0 +1,43 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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.Collections.Generic;
+using System.Drawing;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	class RenderDetectionCircleInfo : ITraitInfo
+	{
+		public object Create(ActorInitializer init) { return new RenderDetectionCircle(init.Self); }
+	}
+
+	class RenderDetectionCircle : IPostRenderSelection
+	{
+		Actor self;
+
+		public RenderDetectionCircle(Actor self) { this.self = self; }
+
+		public IEnumerable<IRenderable> RenderAfterWorld(WorldRenderer wr)
+		{
+			if (self.Owner != self.World.LocalPlayer)
+				yield break;
+
+			yield return new RangeCircleRenderable(
+				self.CenterPosition,
+				WRange.FromCells(self.Info.Traits.Get<DetectCloakedInfo>().Range),
+				0,
+				Color.FromArgb(128, Color.LimeGreen),
+				Color.FromArgb(96, Color.Black));
+		}
+	}
+}