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/NetQueue.cs

@@ -22,6 +22,10 @@ using System.Diagnostics;
 using System.Collections.Generic;
 using System.Threading;
 
+//
+// Comment for Linux Mono users: reports of library thread hangs on EnterReadLock() suggests switching to plain lock() works better
+//
+
 namespace Lidgren.Network
 {
 	/// <summary>
@@ -52,12 +56,29 @@ namespace Lidgren.Network
 		/// <summary>
 		/// Gets the number of items in the queue
 		/// </summary>
-		public int Count { get { return m_size; } }
+		public int Count {
+			get
+			{
+				m_lock.EnterReadLock();
+				int count = m_size;
+				m_lock.ExitReadLock();
+				return count;
+			}
+		}
 
 		/// <summary>
 		/// Gets the current capacity for the queue
 		/// </summary>
-		public int Capacity { get { return m_items.Length; } }
+		public int Capacity
+		{
+			get
+			{
+				m_lock.EnterReadLock();
+				int capacity = m_items.Length;
+				m_lock.ExitReadLock();
+				return capacity;
+			}
+		}
 
 		/// <summary>
 		/// NetQueue constructor
@@ -193,6 +214,15 @@ namespace Lidgren.Network
 
 				return true;
 			}
+			catch
+			{
+#if DEBUG
+				throw;
+#else
+				item = default(T);
+				return false;
+#endif
+			}
 			finally
 			{
 				m_lock.ExitWriteLock();
@@ -200,7 +230,7 @@ namespace Lidgren.Network
 		}
 
 		/// <summary>
-		/// Gets an item from the head of the queue, or returns default(T) if empty
+		/// Gets all items from the head of the queue, or returns number of items popped
 		/// </summary>
 		public int TryDrain(IList<T> addTo)
 		{