v0.2.2: updated Lidgren, railgun shells can be bought, autorestart server, netstats, tutorial moloch spawning in a wall fix, misc error checks

Lidgren.Network/NetSenderChannelBase.cs

@@ -5,15 +5,24 @@ namespace Lidgren.Network
 	internal abstract class NetSenderChannelBase
 	{
 		// access this directly to queue things in this channel
-		internal NetQueue<NetOutgoingMessage> m_queuedSends;
+		protected NetQueue<NetOutgoingMessage> m_queuedSends;
 
 		internal abstract int WindowSize { get; }
 
 		internal abstract int GetAllowedSends();
 
+		internal int QueuedSendsCount { get { return m_queuedSends.Count; } }
+
+		internal virtual bool NeedToSendMessages() { return m_queuedSends.Count > 0; }
+
+		public int GetFreeWindowSlots()
+		{
+			return GetAllowedSends() - m_queuedSends.Count;
+		}
+
 		internal abstract NetSendResult Enqueue(NetOutgoingMessage message);
-		internal abstract void SendQueuedMessages(float now);
+		internal abstract void SendQueuedMessages(double now);
 		internal abstract void Reset();
-		internal abstract void ReceiveAcknowledge(float now, int sequenceNumber);
+		internal abstract void ReceiveAcknowledge(double now, int sequenceNumber);
 	}
 }