/// <summary>
/// Retreives information about the players on a Source server
/// </summary>
/// <returns>A List of PlayerInfo or throws an SSQLServerException if the server could not be reached</returns>
public List<PlayerInfo> Players()
{
//Create a new list to store the player array
var players = new List<PlayerInfo>();
byte[] buf = PerformBigRequest((byte)'U');
uint i = 0;
//Make sure the response starts with D
if (buf[i++] != 'D') return null;
//Get the amount of players
byte numPlayers = buf[i++];
//Loop through each player and extract their stats
for (int ii = 0; ii < numPlayers; ii++)
{
//Create a new player
PlayerInfo newPlayer = new PlayerInfo();
//Set the index of the player (Does not work in L4D2, always returns 0)
newPlayer.Index = buf[i++];
newPlayer.Name = ReadString(buf, ref i);
//Get the score and store them in the player info
newPlayer.Score = ReadInt32(buf, ref i);
//Get the time connected as a float and store it in the player info
newPlayer.Time = ReadFloat(buf, ref i);
//Add the player to the list
players.Add(newPlayer);
}
//Return the list of players
return players;
}
/// <summary>
/// Retreives information about the players on a Source server
/// </summary>
/// <param name="ip_end">The IPEndPoint object storing the IP address and port of the server</param>
/// <returns>An ArrayList of PlayerInfo or throws an SSQLServerException if the server could not be reached</returns>
public ArrayList Players(IPEndPoint ip_end)
{
//Create a new array list to store the player array
ArrayList players = new ArrayList();
//Create a new buffer to receive packets
byte[] buf = null;
//Create a challenge packet
byte[] challenge = new byte[9];
challenge[0] = (byte)0xff;
challenge[1] = (byte)0xff;
challenge[2] = (byte)0xff;
challenge[3] = (byte)0xff;
challenge[4] = (byte)0x55;
challenge[5] = (byte)0x00;
challenge[6] = (byte)0x00;
challenge[7] = (byte)0x00;
challenge[8] = (byte)0x00;
try
{
//Attempt to get the challenge response
buf = SocketUtils.getInfo(ip_end, challenge);
}
catch (SSQLServerException e)
{
throw e;
}
int i = 4;
//Make sure the response starts with A
if (buf[i++] != 'A') return null;
//Create the new request with the challenge number
byte[] requestPlayer = new byte[9];
requestPlayer[0] = (byte)0xff;
requestPlayer[1] = (byte)0xff;
requestPlayer[2] = (byte)0xff;
requestPlayer[3] = (byte)0xff;
requestPlayer[4] = (byte)0x55;
requestPlayer[5] = buf[i++];
requestPlayer[6] = buf[i++];
requestPlayer[7] = buf[i++];
requestPlayer[8] = buf[i++];
try
{
//Attempt to get the players response
buf = SocketUtils.getInfo(ip_end, requestPlayer);
}
catch (SSQLServerException)
{
return null;
}
//Start past 0xffffffff
i = 4;
//Make sure the response starts with D
if (buf[i++] != 'D') return null;
//Get the amount of players
byte numPlayers = buf[i++];
//Loop through each player and extract their stats
for (int ii = 0; ii < numPlayers; ii++)
{
//Create a new player
PlayerInfo newPlayer = new PlayerInfo();
//Set the index of the player (Does not work in L4D2, always returns 0)
newPlayer.Index = buf[i++];
//Create a new player name
StringBuilder playerName = new StringBuilder();
//Loop through and store the player's name
while (buf[i] != 0x00)
{
playerName.Append((char)buf[i++]);
}
//Move past the end of the string
i++;
newPlayer.Name = playerName.ToString();
//Get the kills and store them in the player info
newPlayer.Kills = (int)(buf[i] & 255) | ((buf[i + 1] & 255) << 8) | ((buf[i + 2] & 255) << 16) | ((buf[i + 3] & 255) << 24);
//Move to the next item
i += 5;
//Get the time connected as a float and store it in the player info
newPlayer.Time = (float)((int)(buf[i] & 255) | ((buf[i + 1] & 255) << 8));
//Move past the float
i += 3;
//Add the player to the list
players.Add(newPlayer);
}
//Return the list of players
return players;
}
