//Reads a packet of data sent from one of the clients and passes it onto its registered handler function
public static void ReadClientPacket(int ClientID, string PacketData)
{
//Store the total set of packet data into a new PacketData object for easier reading
NetworkPacket TotalPacket = new NetworkPacket(PacketData);
//Fetch the client connection who sent this to us, making sure they're still active
ClientConnection Client = ConnectionManager.GetClient(ClientID);
if (Client == null)
{
MessageLog.Print("ERROR: Client #" + ClientID + " not found, unable to read network packet from them.");
return;
}
//Iterate over all the packet data until we finished reading and handling all of it
while (!TotalPacket.FinishedReading())
{
//Read the packets order number and packet type enum values
int OrderNumber = TotalPacket.ReadInt();
ClientPacketType PacketType = TotalPacket.ReadType();
//Get the rest of the values for this set based on the packet type, then put the orer number back in the front of it
NetworkPacket SectionPacket = ReadPacketValues(PacketType, TotalPacket);
//Compared this packets order number to see if its arrived in the order we were expecting
int ExpectedOrderNumber = Client.LastPacketRecieved + 1;
bool InOrder = OrderNumber == ExpectedOrderNumber;
//If the packet arrived in order then it gets processed normally
if (InOrder)
{
//Reset the packets data before we pass it to the handler
SectionPacket.ResetRemainingData();
//Read away the packet type value as its not needed when processing packets immediately
SectionPacket.ReadType();
//Pass the section packet onto its registered handler function
if (PacketHandlers.TryGetValue(PacketType, out Packet Packet))
{
Packet.Invoke(ClientID, ref SectionPacket);
}
//Store this as the last packet that we have processed for this client
Client.LastPacketRecieved = OrderNumber;
}
//If packets arrive out of order we tell the client what number we were expecting to receive next so everything since then gets resent
else
{
SystemPacketSender.SendMissingPacketsRequest(ClientID, ExpectedOrderNumber);
return;
}
}
}
//Sends a message to any player who just entered into or left from the battle arena that their PVP status has changed
public static void AlertTravellers()
{
//First message all arrivals letting them know pvp is active in this area
foreach (CharacterData Character in CharactersEntering)
{
//Get the client who controls this characters and send the message to them
ClientConnection CharacterClient = ConnectionManager.GetClient(Character);
SystemPacketSender.SendUIMessage(CharacterClient.ClientID, "Now entering PVP area, beware...");
}
//Also message any departures letting them know pvp is no longer active
foreach (CharacterData Character in CharactersExiting)
{
ClientConnection CharacterClient = ConnectionManager.GetClient(Character);
SystemPacketSender.SendUIMessage(CharacterClient.ClientID, "Leaving PVP area, you are safe again.");
}
}
public static void CheckClients(float DeltaTime)
{
NextClientCheck -= DeltaTime;
if (NextClientCheck <= 0.0f)
{
NextClientCheck = ClientCheckInterval;
foreach (KeyValuePair <int, ClientConnection> Client in ActiveConnections)
{
SystemPacketSender.SendStillConnectedCheck(Client.Key);
int LastHeard = Client.Value.LastCommunication.AgeInSeconds();
if (LastHeard >= ClientConnectionTimeout)
{
Client.Value.ConnectionDead = true;
}
}
}
}
//Tries using the command arguments for performing a player kick
private void TryKickPlayer(string[] Input)
{
//Get the characters name
string CharacterName = Input[1];
//Make sure the character exists
if (!CharactersDatabase.DoesCharacterExist(CharacterName))
{
MessageLog.Print("That character doesnt exist, cant kick them.");
return;
}
//Get the client who this character belongs to
ClientConnection Client = ClientSubsetFinder.GetClientUsingCharacter(CharacterName);
//If the client couldnt be found then the character isnt logged in currently
if (Client == null)
{
MessageLog.Print("That character is not in the game right now, cant kick them.");
return;
}
//Show that the player is being kicked
MessageLog.Print("Kicking " + CharacterName + " from the game...");
//Tell the client that they have been kicked from the game and mark them to be cleaned up from the game
SystemPacketSender.SendKickedFromServer(Client.ClientID);
Client.ConnectionDead = true;
//Tell everyone else to remove the client from their games
List <ClientConnection> OtherClients = ClientSubsetFinder.GetInGameClientsExceptFor(Client.ClientID);
foreach (ClientConnection OtherClient in OtherClients)
{
PlayerManagementPacketSender.SendRemoveRemotePlayer(OtherClient.ClientID, Client.Character.Name, Client.Character.IsAlive);
}
}
void Awake()
{
Instance = this;
}
