unsafe public INetworkData Parse(byte[] rawData)
{
sendData = rawData;
if (rawData.Length == 2)
{
throw new ExceptionFreeserf("Empty lobby data received.");
}
else if (rawData.Length < MIN_DATA_SIZE)
{
throw new ExceptionFreeserf("Invalid lobby data received.");
}
Number = rawData[2];
header.DataSize = rawData[3];
header.PlayerCount = rawData[4];
if (header.PlayerCount > 4)
{
throw new ExceptionFreeserf("Lobby player count was > 4. Lobby data is corrupted.");
}
int dataIndex = 5;
var serverSettings = NetworkDataConverter <LobbyServerSettings> .FromBytes(rawData, ref dataIndex);
byte[] mapSeed = new byte[16];
Marshal.Copy((IntPtr)serverSettings.MapSeed, mapSeed, 0, 16);
ServerInfo = new LobbyServerInfo(
(serverSettings.Flags & 0x01) != 0,
(serverSettings.Flags & 0x02) != 0,
serverSettings.MapSize,
Encoding.ASCII.GetString(mapSeed)
);
for (int i = 0; i < header.PlayerCount; ++i)
{
var player = NetworkDataConverter <LobbyPlayerData> .FromBytes(rawData, ref dataIndex);
LobbyPlayerInfo playerInfo;
if (player.Type == 0) // AI
{
var aiPlayer = NetworkDataConverter <LobbyAIPlayerData> .FromBytes(rawData, ref dataIndex);
playerInfo = new LobbyPlayerInfo(null, false, player.Face, player.Supplies, aiPlayer.Intelligence, player.Reproduction);
}
else // Human
{
var humanPlayer = NetworkDataConverter <LobbyHumanPlayerData> .FromBytes(rawData, ref dataIndex);
byte[] ipBytes = new byte[4];
Marshal.Copy((IntPtr)humanPlayer.IP, ipBytes, 0, 4);
string ip = $"{ipBytes[0]}.{ipBytes[1]}.{ipBytes[2]}.{ipBytes[3]}";
playerInfo = new LobbyPlayerInfo(ip, player.Type == 1, player.Face, player.Supplies, 40, player.Reproduction);
}
players.Add(playerInfo);
}
return(this);
}
public LobbyData(byte number, LobbyServerInfo serverInfo, List <LobbyPlayerInfo> players)
{
Number = number;
if (players.Count > 4)
{
throw new ExceptionFreeserf("Player count must not exceed 4.");
}
int dataSize = MIN_DATA_SIZE + (players.Count == 0 ? 0 : players.Select(p => p.GetDataSize()).Aggregate((a, b) => a + b));
if (dataSize > 255)
{
throw new ExceptionFreeserf("Lobby data length must not exceed 255.");
}
header.DataSize = (byte)dataSize;
header.PlayerCount = (byte)players.Count;
var serverSettings = new LobbyServerSettings();
if (serverInfo.UseServerValues)
{
serverSettings.Flags |= 0x01;
}
if (serverInfo.UseSameValues)
{
serverSettings.Flags |= 0x02;
}
serverSettings.MapSize = (byte)serverInfo.MapSize;
byte[] mapSeed = Encoding.ASCII.GetBytes(serverInfo.MapSeed);
if (mapSeed.Length != 16)
{
throw new ExceptionFreeserf("Invalid map seed. Length must be 16.");
}
unsafe
{
Marshal.Copy(mapSeed, 0, (IntPtr)serverSettings.MapSeed, 16);
}
var typeBytes = BitConverter.GetBytes((UInt16)Type);
int dataOffset = 3;
sendData = new byte[dataSize];
sendData[0] = typeBytes[0];
sendData[1] = typeBytes[1];
sendData[2] = Number;
NetworkDataConverter <LobbyDataHeader> .ToBytes(header, sendData, ref dataOffset);
NetworkDataConverter <LobbyServerSettings> .ToBytes(serverSettings, sendData, ref dataOffset);
foreach (var player in players)
{
var playerData = new LobbyPlayerData();
playerData.Type = 0;
if (player.Identification != null)
{
playerData.Type = (byte)(player.IsHost ? 1 : 2);
}
playerData.Face = (byte)player.Face;
playerData.Supplies = (byte)player.Supplies;
playerData.Reproduction = (byte)player.Reproduction;
NetworkDataConverter <LobbyPlayerData> .ToBytes(playerData, sendData, ref dataOffset);
if (playerData.Type == 0) // AI
{
var aiPlayerData = new LobbyAIPlayerData();
aiPlayerData.Intelligence = (byte)player.Intelligence;
NetworkDataConverter <LobbyAIPlayerData> .ToBytes(aiPlayerData, sendData, ref dataOffset);
}
else // Human
{
var humanPlayerData = new LobbyHumanPlayerData();
var ipParts = player.Identification.Split('.');
if (ipParts.Length != 4)
{
throw new ExceptionFreeserf("Invalid IP address.");
}
byte[] ipBytes = ipParts.Select(p => (byte)int.Parse(p)).ToArray();
unsafe
{
Marshal.Copy(ipBytes, 0, (IntPtr)humanPlayerData.IP, 4);
}
NetworkDataConverter <LobbyHumanPlayerData> .ToBytes(humanPlayerData, sendData, ref dataOffset);
}
}
}
