transferred from trunk/Generation3 of lidgren-network

Lidgren.Network/NetConstants.cs

@@ -0,0 +1,44 @@
+/* Copyright (c) 2010 Michael Lidgren
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+and associated documentation files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+using System;
+
+namespace Lidgren.Network
+{
+	internal static class NetConstants
+	{
+		internal const int NetChannelsPerDeliveryMethod = 32;
+
+		internal const int NumSequenceNumbers = ushort.MaxValue + 1; // 0 is a valid sequence number
+
+		/// <summary>
+		/// Number of channels which needs a sequence number to work
+		/// </summary>
+		internal const int NumSequencedChannels = ((int)NetMessageType.UserReliableOrdered + NetConstants.NetChannelsPerDeliveryMethod) - (int)NetMessageType.UserSequenced;
+
+		/// <summary>
+		/// Number of reliable channels
+		/// </summary>
+		internal const int NumReliableChannels = ((int)NetMessageType.UserReliableOrdered + NetConstants.NetChannelsPerDeliveryMethod) - (int)NetMessageType.UserReliableUnordered;
+
+		/// <summary>
+		/// Number of bytes added when message is really a fragment
+		/// </summary>
+		internal const int FragmentHeaderSize = 6;
+	}
+}