change ReplaySummary to Replay; move to OpenRA.Network

OpenRA.Game/Network/Replay.cs

@@ -0,0 +1,68 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using OpenRA.Network;
+
+namespace OpenRA.Network
+{
+	/* a maze of twisty little hacks,... */
+	public class Replay
+	{
+		public readonly string Filename;
+		public readonly int Duration;
+		public readonly Session LobbyInfo;
+
+		public Replay(string filename)
+		{
+			Filename = filename;
+			var lastFrame = 0;
+			var hasSeenGameStart = false;
+			var lobbyInfo = null as Session;
+			using (var conn = new ReplayConnection(filename))
+				conn.Receive((client, packet) =>
+					{
+						var frame = BitConverter.ToInt32(packet, 0);
+						if (packet.Length == 5 && packet[4] == 0xBF)
+							return;	// disconnect
+						else if (packet.Length >= 5 && packet[4] == 0x65)
+							return;	// sync
+						else if (frame == 0)
+						{
+							/* decode this to recover lobbyinfo, etc */
+							var orders = packet.ToOrderList(null);
+							foreach (var o in orders)
+								if (o.OrderString == "StartGame")
+									hasSeenGameStart = true;
+								else if (o.OrderString == "SyncInfo" && !hasSeenGameStart)
+									lobbyInfo = Session.Deserialize(o.TargetString);
+						}
+						else
+							lastFrame = Math.Max(lastFrame, frame);
+					});
+
+			Duration = lastFrame;
+			LobbyInfo = lobbyInfo;
+		}
+
+		public Map Map()
+		{
+			if (LobbyInfo == null)
+				return null;
+
+			var map = LobbyInfo.GlobalSettings.Map;
+			if (!Game.modData.AvailableMaps.ContainsKey(map))
+				return null;
+
+			return Game.modData.AvailableMaps[map];
+		}
+	}
+}
+