/// <summary>
/// Adds instance bytes to packet builder.
/// </summary>
protected override void AddInstanceBytes(PacketBuilder builder)
{
builder.AddUInt16((ushort)_commandType);
builder.AddInt32(_sequence);
builder.AddUInt16(_retryAttempt);
builder.AddUInt32(_timeoutMs);
builder.AddBytes(_data);
}
/// <summary>
/// Adds instance bytes to packet builder.
/// </summary>
protected override void AddInstanceBytes(PacketBuilder builder)
{
builder.AddUInt16((ushort)_commandType);
builder.AddInt32(_sequence);
builder.AddByte((byte)_code);
builder.AddBytes(_data);
}
/// <summary>
/// Serializes high score list to packet bytes.
/// </summary>
public byte[] ToBytes()
{
PacketBuilder builder = new PacketBuilder();
lock (this)
{
builder.AddUInt16((ushort)_scores.Count);
foreach (HighScore score in _scores)
{
builder.AddString(score.Initials ?? "");
builder.AddInt32(score.Score);
}
}
return(builder.ToBytes());
}
/// <summary>
/// Answers a 'GetPlayers' request, responds with a list of connected players (of same game).
/// </summary>
private void Answer_GetPlayers(Client sourceClient, CommandRequestPacket packet)
{
try
{
//get source player
NetworkPlayer player = NetworkPlayer.FromPacket(packet);
//get list of connected players (not source player)
List <NetworkPlayer> otherPlayers = GetMatchingPlayers(player.GameTitle, player.GameVersion)
.Where(p => p.PlayerKey != player.PlayerKey)
.ToList();
//message
Log.Write($"Sending '{packet.CommandType}' ({otherPlayers.Count} player{(otherPlayers.Count != 1 ? "s" : "")}) response to '{player.IP}'");
//serialize list to bytes
PacketBuilder builder = new PacketBuilder();
builder.AddUInt16((ushort)otherPlayers.Count);
foreach (NetworkPlayer p in otherPlayers)
{
builder.AddBytes(p.ToBytes());
}
//create packet
CommandResponsePacket response = new CommandResponsePacket(
gameTitle: player.GameTitle,
gameVersion: player.GameVersion,
sourceIP: _ip,
destinationIP: player.IP,
playerName: player.Name,
commandType: CommandType.GetPlayers,
sequence: packet.Sequence,
code: ResultCode.Accept,
data: builder.ToBytes());
//send response back to source
sourceClient.SendPacket(response);
}
catch (Exception ex)
{
Log.Write("Answer_GetPlayers: Error returning player list");
ErrorHandler.LogError(ex);
}
}
