Added final game tick to replay meta data for completion percentage on replay.

OpenRA.Game/GameInformation.cs

@@ -24,6 +24,7 @@ namespace OpenRA
 
 		public string MapUid;
 		public string MapTitle;
+		public int FinalGameTick;
 
 		/// <summary>Game start timestamp (when the recoding started).</summary>
 		public DateTime StartTimeUtc;

OpenRA.Game/Network/ReplayConnection.cs

@@ -33,6 +33,7 @@ namespace OpenRA.Network
 		public int LocalClientId { get { return 0; } }
 		public ConnectionState ConnectionState { get { return ConnectionState.Connected; } }
 		public readonly int TickCount;
+		public readonly int FinalGameTick;
 		public readonly bool IsValid;
 		public readonly Session LobbyInfo;
 		public readonly string Filename;
@@ -40,6 +41,7 @@ namespace OpenRA.Network
 		public ReplayConnection(string replayFilename)
 		{
 			Filename = replayFilename;
+			FinalGameTick = ReplayMetadata.Read(replayFilename).GameInfo.FinalGameTick;
 
 			// Parse replay data into a struct that can be fed to the game in chunks
 			// to avoid issues with all immediate orders being resolved on the first tick.

OpenRA.Game/World.cs

@@ -66,7 +66,7 @@ namespace OpenRA
 
 				foreach (var t in WorldActor.TraitsImplementing<IGameOver>())
 					t.GameOver(this);
-
+				gameInfo.FinalGameTick = WorldTick;
 				GameOver();
 			}
 		}