Changes how GPS is watched. Changes GPS ability.

OpenRA.Mods.RA/Effects/GpsDot.cs

@@ -0,0 +1,72 @@
+#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.Collections.Generic;
+using System.Drawing;
+using OpenRA.Effects;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Effects
+{
+	class GpsDotInfo : ITraitInfo
+	{
+		public readonly string String = "o";
+		public object Create(ActorInitializer init)
+		{
+			return new GpsDot(init, String);
+		}
+	}
+	class GpsDot : IEffect
+	{
+		string s;
+		int2 loc;
+		Color color;
+		Actor self;
+		GpsWatcher watcher;
+		bool show = false;
+
+		public GpsDot(ActorInitializer init, string s)
+		{
+			this.s = s;
+			self = init.self;
+			loc = self.CenterLocation;
+			color = self.Owner.ColorRamp.GetColor(0);
+			self.World.AddFrameEndTask(w => w.Add(this));
+			if(self.World.LocalPlayer != null)
+				watcher = self.World.LocalPlayer.PlayerActor.Trait<GpsWatcher>();
+		}
+
+		public void Tick(World world)
+		{
+			show = false;
+			
+			if (world.LocalPlayer == null)
+				return;
+
+			if (
+				self.IsInWorld
+				&& (watcher.Granted || watcher.GrantedAllies)
+				&& !self.Trait<HiddenUnderFog>().IsVisible(self)
+				&& (!self.HasTrait<Cloak>() || !self.Trait<Cloak>().Cloaked)
+				)
+			{
+				show = true;
+				loc = self.CenterLocation;
+			}
+		}
+
+		public IEnumerable<Renderable> Render()
+		{
+			if(show)
+				Game.Renderer.TinyBoldFont.DrawTextWithContrast(s, loc - Game.viewport.Location, color, Color.Black, 1);
+			yield break;
+		}
+	}
+}