/// <summary>
/// Spawns a new client simulation thread.
/// </summary>
private bool SpawnClient()
{
string arbitratorHost = "localhost";
ushort arbitratorPort = 0;
// Select all arbitrators in the database, ordered by which have hte most clients
// registered to them.
DBResults results = m_databaseConnection.Query(@"SELECT
a.id,
a.ip_address,
a.port,
(
SELECT
COUNT(*)
FROM
{0} AS c
WHERE
c.arbitrator_id = a.id
) AS client_count,
a.last_active_timestamp
FROM
{1} AS a
ORDER BY
client_count ASC,
a.last_active_timestamp DESC
",
Settings.DB_TABLE_ACTIVE_CLIENTS,
Settings.DB_TABLE_ACTIVE_ARBITRATORS);
// Did we get any arbitrators we can use?
if (results.RowsAffected <= 0)
{
return false;
}
arbitratorHost = (string)results[0]["ip_address"];
arbitratorPort = (ushort)((int)results[0]["port"]);
if (arbitratorHost == HardwareHelper.GetLocalIPAddress())
{
arbitratorHost = "localhost";
}
// Create peer thread.
ClientSimulatorThread new_thread = new ClientSimulatorThread(arbitratorHost, arbitratorPort);
new_thread.Run(m_settings.Clone());
m_threads.Add(new_thread);
return true;
}
/// <summary>
/// Gets position information about a given client state.
/// </summary>
private bool GetStateInfo(SimulatorClientState state, out bool registering, out bool unregistering, out float x, out float y, out ClientSimulatorThread realClientThread)
{
bool found = false;
registering = false;
unregistering = false;
x = state.Account.PeristentState.X;
y = state.Account.PeristentState.Y;
realClientThread = null;
if (state.LastClientState != null)
{
x = state.LastClientState.X;
y = state.LastClientState.Y;
}
foreach (SimulatorThread thread in m_simulator.Threads)
{
ClientSimulatorThread clientThread = (thread as ClientSimulatorThread);
if (clientThread == null || clientThread.Service == null)
{
continue;
}
if (clientThread.Service.CurrentZone == null ||
clientThread.Service.CurrentZone.ID != (int)state.DatabaseSettings["zone_id"])
{
continue;
}
if (clientThread.Service.ClientID == (int)state.DatabaseSettings["id"])
{
registering = clientThread.Service.RegisteringWithSuperPeers;
unregistering = clientThread.Service.UnregisteringWithSuperPeers;
realClientThread = clientThread;
}
// Look to see if the position information for this peer is in this clients world state.
if (clientThread.Service.WorldState != null)
{
foreach (SuperPeerWorldStatePlayerInfo peerInfo in clientThread.Service.WorldState.Peers)
{
if (peerInfo.ClientID == (int)state.DatabaseSettings["id"])
{
x = peerInfo.Account.PeristentState.X;
y = peerInfo.Account.PeristentState.Y;
state.LastClientState = peerInfo.Account.PeristentState;
found = true;
break;
}
}
}
}
return found;
}
