gracefully handle when infoString does not include all expected data

Application/IW4MServer.cs

@@ -689,23 +689,50 @@ await Manager.GetPenaltyService().RemoveActivePenalties(E.Target.AliasLinkId, E.
 
  else
  {
- Gametype = dict["gametype"];
- Hostname = dict["hostname"];
+ if (dict.ContainsKey("gametype"))
+ {
+ Gametype = dict["gametype"];
+ }
+
+ if (dict.ContainsKey("hostname"))
+ {
+ Hostname = dict["hostname"];
+ }
 
- string mapname = dict["mapname"] ?? CurrentMap.Name;
- UpdateMap(mapname);
+ var newMapName = dict.ContainsKey("mapname")
+ ? dict["mapname"] ?? CurrentMap.Name
+ : CurrentMap.Name;
+ UpdateMap(newMapName);
  }
  }
 
  else
  {
- var dict = (Dictionary<string, string>) E.Extra;
- Gametype = dict["g_gametype"];
- Hostname = dict["sv_hostname"];
- MaxClients = int.Parse(dict["sv_maxclients"]);
+ var dict = (Dictionary<string, string>)E.Extra;
+ if (dict.ContainsKey("g_gametype"))
+ {
+ Gametype = dict["g_gametype"];
+ }
+
+ if (dict.ContainsKey("sv_hostname"))
+ {
+ Hostname = dict["sv_hostname"];
+ }
 
- string mapname = dict["mapname"];
- UpdateMap(mapname);
+ if (dict.ContainsKey("sv_maxclients"))
+ {
+ MaxClients = int.Parse(dict["sv_maxclients"]);
+ }
+
+ else if (dict.ContainsKey("com_maxclients"))
+ {
+ MaxClients = int.Parse(dict["com_maxclients"]);
+ }
+
+ if (dict.ContainsKey("mapname"))
+ {
+ UpdateMap(dict["mapname"]);
+ }
  }
 
  if (E.GameTime.HasValue)