detectors

OpenRA.Game/Traits/Cloak.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.Collections.Generic;
+using System.Linq;
+using System;
+
+namespace OpenRA.Traits
+{
+	class CloakInfo : ITraitInfo
+	{
+		public readonly float InitialDelay = .4f;	// seconds
+		public readonly float CloakDelay = 1.2f; // Seconds
+		public readonly string CloakSound = "subshow1.aud";
+		public readonly string UncloakSound = "subshow1.aud";
+		public object Create(Actor self) { return new Cloak(self); }
+	}
+
+	class Cloak : IRenderModifier, INotifyAttack, ITick, INotifyDamage
+	{
+		[Sync]
+		int remainingTime;
+		
+		Actor self;
+		public Cloak(Actor self)
+		{
+			remainingTime = (int)(self.Info.Traits.Get<CloakInfo>().InitialDelay * 25);
+			this.self = self;
+		}
+
+		void DoSurface()
+		{
+			if (remainingTime <= 0)
+				OnSurface();
+
+			remainingTime = Math.Max(remainingTime, (int)(self.Info.Traits.Get<CloakInfo>().CloakDelay * 25));
+		}
+
+		public void Attacking(Actor self) { DoSurface(); }
+		public void Damaged(Actor self, AttackInfo e) { DoSurface(); }
+
+		public IEnumerable<Renderable>
+			ModifyRender(Actor self, IEnumerable<Renderable> rs)
+		{
+			if (remainingTime > 0)
+				return rs;
+
+			if (self.Owner == self.World.LocalPlayer)
+				return rs.Select(a => a.WithPalette("shadow"));
+			else
+				return new Renderable[] { };
+		}
+
+		public void Tick(Actor self)
+		{
+			if (remainingTime > 0)
+				if (--remainingTime <= 0)
+					OnDive();
+		}
+
+		void OnSurface()
+		{
+			Sound.Play(self.Info.Traits.Get<CloakInfo>().UncloakSound, self.CenterLocation);
+		}
+
+		void OnDive()
+		{
+			Sound.Play(self.Info.Traits.Get<CloakInfo>().CloakSound, self.CenterLocation);
+		}
+
+		public bool Cloaked { get { return remainingTime > 0; } }
+
+		public void Decloak(int time)
+		{
+			DoSurface();
+			remainingTime = Math.Max(remainingTime, time);
+		}
+	}
+}