extract SyncReport class from Game

OpenRA.Game/Network/SyncReport.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using OpenRA.FileFormats;
+
+namespace OpenRA.Network
+{
+	class SyncReport
+	{
+		Queue<Pair<int, string>> syncReports = new Queue<Pair<int, string>>();
+		const int numSyncReports = 5;
+
+		internal void UpdateSyncReport()
+		{
+			if (!Game.Settings.RecordSyncReports)
+				return;
+
+			while (syncReports.Count >= numSyncReports) syncReports.Dequeue();
+			syncReports.Enqueue(Pair.New(Game.orderManager.FrameNumber, GenerateSyncReport()));
+		}
+
+		string GenerateSyncReport()
+		{
+			var sb = new StringBuilder();
+			sb.AppendLine("Actors:");
+			foreach (var a in Game.world.Actors)
+				sb.AppendLine("\t {0} {1} {2} ({3})".F(
+					a.ActorID,
+					a.Info.Name,
+					(a.Owner == null) ? "null" : a.Owner.InternalName,
+					Sync.CalculateSyncHash(a)));
+
+			sb.AppendLine("Tick Actors:");
+			foreach (var a in Game.world.Queries.WithTraitMultiple<object>())
+			{
+				var sync = Sync.CalculateSyncHash(a.Trait);
+				if (sync != 0)
+					sb.AppendLine("\t {0} {1} {2} {3} ({4})".F(
+						a.Actor.ActorID,
+						a.Actor.Info.Name,
+						(a.Actor.Owner == null) ? "null" : a.Actor.Owner.InternalName,
+						a.Trait.GetType().Name,
+						sync));
+			}
+
+			return sb.ToString();
+		}
+
+		internal void DumpSyncReport(int frame)
+		{
+			var f = syncReports.FirstOrDefault(a => a.First == frame);
+			if (f == default(Pair<int, string>))
+			{
+				Log.Write("sync", "No sync report available!");
+				return;
+			}
+
+			Log.Write("sync", "Sync for net frame {0} -------------", f.First);
+			Log.Write("sync", "{0}", f.Second);
+		}
+	}
+}