moved infantry traits to ra

OpenRA.Mods.RA/TakeCover.cs

@@ -0,0 +1,67 @@
+#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 OpenRA.GameRules;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA
+{
+	class TakeCoverInfo : ITraitInfo
+	{
+		public object Create(Actor self) { return new TakeCover(self); }
+	}
+
+	// infantry prone behavior
+	class TakeCover : ITick, INotifyDamage, IDamageModifier, ISpeedModifier
+	{
+		const int defaultProneTime = 100;	/* ticks, =4s */
+		const float proneDamage = .5f;
+		const float proneSpeed = .5f;
+
+		[Sync]
+		int remainingProneTime = 0;
+
+		public bool IsProne { get { return remainingProneTime > 0; } }
+
+		public TakeCover(Actor self) {}
+
+		public void Damaged(Actor self, AttackInfo e)
+		{
+			if (e.Damage > 0)		/* fix to allow healing via `damage` */
+				remainingProneTime = defaultProneTime;
+		}
+
+		public void Tick(Actor self)
+		{
+			if (IsProne)
+				--remainingProneTime;
+		}
+
+		public float GetDamageModifier( WarheadInfo warhead )
+		{
+			return IsProne ? proneDamage : 1f;
+		}
+
+		public float GetSpeedModifier()
+		{
+			return IsProne ? proneSpeed : 1f;
+		}
+	}
+}