voicepool to avoid annoying me with the same sound over and over... and units now have a voice assigned.

OpenRa.Game/VoicePool.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OpenRa.Game
+{
+	class VoicePool
+	{
+		readonly string[] clips;
+		readonly List<string> liveclips = new List<string>();
+
+		public VoicePool(params string[] clips)
+		{
+			this.clips = clips;
+		}
+
+		public string GetNext()
+		{
+			if (liveclips.Count == 0)
+				liveclips.AddRange(clips);
+
+			var i = Game.CosmeticRandom.Next(liveclips.Count);
+			var s = liveclips[i];
+			liveclips.RemoveAt(i);
+			return s;
+		}
+	}
+}