Added ProximityCaptor and filtering of possible captors for KOTH

OpenRA.Mods.RA/ProximityCaptor.cs

@@ -0,0 +1,48 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2010 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 LICENSE.
+ */
+#endregion
+
+using System.Linq;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA
+{
+	public class ProximityCaptorInfo : ITraitInfo
+	{
+		public readonly string[] Types = {};
+		public object Create(ActorInitializer init) { return new ProximityCaptor(this); }
+	}
+
+	public class ProximityCaptor
+	{
+		public readonly ProximityCaptorInfo Info;
+
+		public string[] Types;
+
+		[Sync]
+		public int Hash { get { return string.Join(",", Types).GetHashCode(); } }
+
+		public ProximityCaptor(ProximityCaptorInfo info)
+		{
+			Info = info;
+
+			Types = info.Types.Select(t => t.ToLowerInvariant()).OrderBy(t => t).ToArray();
+		}
+
+		public bool HasAny(string[] typesList)
+		{
+			return typesList.Select(t => t.ToLowerInvariant()).Any(flag => Types.Contains(flag));
+		}
+
+		public bool HasAll(string[] typesList)
+		{
+			return typesList.Select(t => t.ToLowerInvariant()).All(flag => Types.Contains(flag));
+		}
+	}
+}