/// <summary>
/// Gets initial data from the client, more specifically the player name. Sends initial game info to the client.
/// </summary>
/// <param name="state"></param>
private static void ReceivePlayerName(SocketState state)
{
try
{
// This block splits up the server data within the StringBuilder, and places it into initialInfo.
StringBuilder sb = state.sb;
char[] separator = new char[] { '\n' };
string[] initialInfo = sb.ToString().Split(separator, StringSplitOptions.RemoveEmptyEntries);
// Assigns the ID sent by the server to the socket state for uniqie identification of connections.
state.sb.Remove(0, initialInfo[0].Length + 1);
string name = initialInfo[0];
Ship newShip;
lock (theWorld)
{
newShip = theWorld.AddShipRandomPosition(name, settings.GetShotDelay(), settings.GetThrustStrength(), settings.GetTurningRate(), settings.GetStartingHP(), settings.GetShipHitBoxSize());
}
state.ClientCallback = HandleClientRequest;
state.ID = newShip.GetID();
Networking.SendSocket(state.theSocket, "" + newShip.GetID() + "\n" + theWorld.GetSize() + "\n");
lock (clients)
{
clients.AddLast(state);
}
Networking.GetData(state);
}
catch (Exception e)
{
Console.WriteLine("EXCEPTION: " + e.Message);
}
}
/// <summary>
/// The main function driving the server almost entirely. Updates the world, then gets each object's info,
/// adds it to the data to be sent to the clients, then sends it to all the clients.
/// Any disconnected clients are also removed/dealt with.
/// </summary>
private static void Update()
{
if (watch.IsRunning)
{
// Make thread wait until the frame delay is met.
while (watch.ElapsedMilliseconds < settings.GetMSPerFrame())
{
Thread.Yield();
}
watch.Restart();
// Update the world, and sent it as one to all clients.
lock (theWorld)
{
theWorld.Update();
foreach (Ship ship in theWorld.GetShips().Values)
{
gameData.Append(ship.ToString() + "\n");
}
foreach (Projectile proj in theWorld.GetProjectiles().Values)
{
gameData.Append(proj.ToString() + "\n");
}
foreach (Star star in theWorld.GetStars().Values)
{
gameData.Append(star.ToString() + "\n");
}
theWorld.Cleanup();
}
// Iterate through the linked list of clients in order to remove any disconnected clients.
lock (clients)
{
LinkedListNode <SocketState> firstNode = clients.First;
while (firstNode != null)
{
SocketState socketState = firstNode.Value;
Networking.SendSocket(socketState.theSocket, gameData.ToString());
if (!socketState.theSocket.Connected)
{
lock (theWorld)
{
if (theWorld.GetShips().ContainsKey(socketState.ID))
{
theWorld.GetShips()[socketState.ID].MakeInactive();
}
}
LinkedListNode <SocketState> nextNode = firstNode.Next;
clients.Remove(firstNode);
firstNode = nextNode;
}
else
{
firstNode = firstNode.Next;
}
}
}
gameData.Clear();
}
}
