detectors

OpenRA.Game/Traits/DetectCloaked.cs

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+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it 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.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System.Linq;
+
+namespace OpenRA.Traits
+{
+	class DetectCloakedInfo : TraitInfo<DetectCloaked>
+	{
+		public readonly int Interval = 12;		// ~.5s
+		public readonly float DecloakTime = 2f;	// 2s
+		public readonly int Range = 5;
+	}
+
+	class DetectCloaked : ITick
+	{
+		[Sync] int ticks;
+
+		public void Tick(Actor self)
+		{
+			if (--ticks <= 0)
+			{
+				var info = self.Info.Traits.Get<DetectCloakedInfo>();
+				ticks = info.Interval;
+
+				var toDecloak = self.World.FindUnitsInCircle(self.CenterLocation, info.Range * Game.CellSize)
+					.Where(a => a.traits.Contains<Cloak>())
+					.Where(a => a.Owner.Stances[self.Owner] != Stance.Ally);
+
+				foreach (var a in toDecloak)
+					a.traits.Get<Cloak>().Decloak((int)(25 * info.DecloakTime));
+			}
+		}
+	}
+}