public static bool TryGetPlayer(string identifier, out Players.Player targetPlayer, out string error, bool includeOffline = false)
{
targetPlayer = null;
if (identifier.StartsWith("'"))
{
if (identifier.EndsWith("'"))
{
identifier = identifier.Substring(1, identifier.Length - 2);
}
else
{
error = "missing ' after playername";
return(false);
}
}
if (identifier.Length < 1)
{
error = "no playername given";
return(false);
}
// try to find by steamID first
ulong steamid;
if (ulong.TryParse(identifier, out steamid))
{
Steamworks.CSteamID csteamid = new Steamworks.CSteamID(steamid);
if (csteamid.IsValid())
{
NetworkID networkId = new NetworkID(csteamid);
error = "";
if (Players.TryGetPlayer(networkId, out targetPlayer))
{
return(true);
}
else
{
targetPlayer = null;
}
}
}
// try to find by hash code
var m = Regex.Match(identifier, @"#(?<hash>\d{8})");
int givenHash;
if (m.Success && int.TryParse(m.Groups["hash"].Value, out givenHash))
{
foreach (Players.Player player in Players.PlayerDatabase.Values)
{
if (!includeOffline && player.ConnectionState != Players.EConnectionState.Connected)
{
continue;
}
if (player.ID.steamID.GetHashCode() == givenHash)
{
if (targetPlayer == null)
{
targetPlayer = player;
}
else
{
targetPlayer = null;
error = "duplicate hash code, please use full SteamID";
return(false);
}
}
}
if (targetPlayer != null)
{
error = "";
return(true);
}
}
// try to find by string closest match
Players.Player closestMatch = null;
int closestDist = int.MaxValue;
foreach (var player in Players.PlayerDatabase.Values)
{
if (!includeOffline && player.ConnectionState != Players.EConnectionState.Connected)
{
continue;
}
if (player.Name != null)
{
if (string.Equals(player.Name, identifier, StringComparison.InvariantCultureIgnoreCase))
{
if (targetPlayer == null)
{
targetPlayer = player;
}
else
{
targetPlayer = null;
error = "duplicate player name, pls use SteamID";
return(false);
}
}
else
{
int levDist = LevenshteinDistance.Compute(player.Name.ToLower(), identifier.ToLower());
if (levDist < closestDist)
{
closestDist = levDist;
closestMatch = player;
}
else if (levDist == closestDist)
{
closestMatch = null;
}
}
}
}
if (targetPlayer != null)
{
error = "";
return(true);
}
else if (closestMatch != null && (closestDist < closestMatch.Name.Length * 0.2))
{
error = "";
targetPlayer = closestMatch;
Log.Write($"Name '{identifier}' did not match, picked closest match '{targetPlayer.Name}' instead");
return(true);
}
error = "player not found";
return(false);
}