moved the rest of the mine crap into mod dll

OpenRa.Game/GameRules/VoiceInfo.cs

@@ -7,7 +7,7 @@ using IjwFramework.Collections;
 
 namespace OpenRa.GameRules
 {
-	class VoiceInfo
+	public class VoiceInfo
 	{
 		public readonly string[] SovietVariants = { ".aud" };
 		public readonly string[] AlliedVariants = { ".aud" };
@@ -30,4 +30,29 @@ namespace OpenRa.GameRules
 				});
 		}
 	}
+
+	public 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);
+
+			if (liveclips.Count == 0)
+				return null;		/* avoid crashing if there's no clips at all */
+
+			var i = Game.CosmeticRandom.Next(liveclips.Count);
+			var s = liveclips[i];
+			liveclips.RemoveAt(i);
+			return s;
+		}
+	}
 }