Add crushable infantry support, enabled in C&C.

OpenRA.Mods.RA/CrushableInfantry.cs

@@ -0,0 +1,60 @@
+#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.Linq;
+using OpenRA.Traits;
+using OpenRA.Mods.RA.Effects;
+using OpenRA.Mods.RA.Move;
+
+namespace OpenRA.Mods.RA
+{
+	class CrushableInfantryInfo : ITraitInfo, Requires<MobileInfo>
+	{
+		public readonly string CrushSound = "squish2.aud";
+		public readonly string CorpseSequence = "die-crushed";
+		public readonly string[] CrushClasses = { "infantry" };
+		public readonly int WarnProbability = 90;
+		public object Create(ActorInitializer init) { return new CrushableInfantry(init.self, this); }
+	}
+
+	class CrushableInfantry : ICrushable
+	{
+		readonly Actor self;
+		readonly CrushableInfantryInfo Info;
+
+		public CrushableInfantry(Actor self, CrushableInfantryInfo info)
+		{
+			this.self = self;
+			this.Info = info;
+		}
+
+		public void WarnCrush(Actor crusher)
+		{
+			if (self.World.SharedRandom.Next(100) <= Info.WarnProbability)
+				self.Trait<Mobile>().OnNudge(self, crusher, true);
+		}
+
+		public void OnCrush(Actor crusher)
+		{
+			Sound.Play(Info.CrushSound);
+			self.World.AddFrameEndTask(w => w.Add(new Corpse(self, Info.CorpseSequence)));
+			self.Kill(crusher);
+		}
+
+		public bool CrushableBy(string[] crushClasses, Player crushOwner)
+		{
+			if (crushOwner.Stances[self.Owner] == Stance.Ally)
+				return false;
+
+			return Info.CrushClasses.Intersect(crushClasses).Any();
+		}
+	}
+}