private static void processLandmarkReq(ComState state)
{
short sizeName;
short sizeDescription;
short sizeImage = 0;
string name = "";
string description = "";
string image = "";
//process database stuff and provide info on landmark
//store landmark name description and image in respective vars
var dbCon = new DatabaseConnect();
dbCon.provideLandmarkInfoFromDB(getUpdateID(state.Update), ref name, ref description, ref image);
//Console.WriteLine("Landmark GUID: " + state.ClientID.ToString());
//Console.WriteLine("Landmark Name: " + name);
//Console.WriteLine("Landmark description: " + description);
//Console.WriteLine("Landmark image: " + image);
sizeName = (short)Encoding.ASCII.GetByteCount(name);
sizeDescription = (short)Encoding.ASCII.GetByteCount(description);
//imagesize here
byte[] type = { 2 };
lock (state.WRITE_LOCK)
{
state.ClientSocket.Send(type);
state.ClientSocket.Send(BitConverter.GetBytes(sizeName));
state.ClientSocket.Send(Encoding.ASCII.GetBytes(name));
state.ClientSocket.Send(BitConverter.GetBytes(sizeDescription));
state.ClientSocket.Send(Encoding.ASCII.GetBytes(description));
state.ClientSocket.Send(BitConverter.GetBytes(sizeImage));
}
//send image
}
private static void processColloseumReq(ComState state)
{
short sizeName;
short sizeDescription;
string name = "";
string description = "";
string image = "";
//process database stuff and provide info on colloseum
//store colloseum name and description in respective vars
//add other details later
var dbCon = new DatabaseConnect();
dbCon.provideColosseumInfoFromDB(getUpdateID(state.Update), ref name, ref description, ref image);
//Console.WriteLine("Colloseum GUID: " + state.ClientID.ToString());
//Console.WriteLine("Colloseum Name: " + name);
//Console.WriteLine("Colloseum description: " + description);
//Console.WriteLine("Colloseum image: " + image);
sizeName = (short)Encoding.ASCII.GetByteCount(name);
sizeDescription = (short)Encoding.ASCII.GetByteCount(description);
byte[] type = { 1 };
lock (state.WRITE_LOCK)
{
state.ClientSocket.Send(type);
state.ClientSocket.Send(BitConverter.GetBytes(sizeName));
state.ClientSocket.Send(Encoding.ASCII.GetBytes(name));
state.ClientSocket.Send(BitConverter.GetBytes(sizeDescription));
state.ClientSocket.Send(Encoding.ASCII.GetBytes(description));
}
}
//use shorts for sizes (in bytes) to save data
//if image or anything being sent is larger than 64kb it's much too large
private static void processItemReq(ComState state)
{
List <byte> itemIDs = new List <byte>();
short size = 0;
//verify item req valid
//generate items and tell user what items they got, send a list of 0 if cant get items from landmark
//place item ids (item ids are bytes) in itemIDs
//store number of items in size
//maybe a random number of items? not sure how you want to deal with that
Random r = new Random();
size = (short)r.Next(1, 4);
for (int i = 0; i < size; i++)
{
//lets say 0 is a health pot and 1 is a landmine
itemIDs.Add((byte)r.Next(0, 2));
}
byte[] type = { 4 };
lock (state.WRITE_LOCK)
{
state.ClientSocket.Send(type);
state.ClientSocket.Send(BitConverter.GetBytes(size));
state.ClientSocket.Send(itemIDs.ToArray());
}
}
private static void processBattleResponse(ComState state)
{
byte[] response = new byte[18];
byte[] ack = { 1 };
response[0] = 5;
state.ClientSocket.Receive(response, 1, 17, 0);
ClientState opponent;
if (ConnectedPlayers.playerDetails.TryGetValue(getUpdateID(state.Update), out opponent))
{
lock (opponent.GENCOM_WRITE_LOCK)
{
//Console.WriteLine(response[0]);
opponent.GenComSocket.Send(response, 18, 0);
}
}
else
{
//indicate player no longer there
ack[0] = 0;
}
//if match accepted send acknowledgment to player to connect to battle scene or not depending on if opponent still online
if (response[17] == 1)
{
lock (state.WRITE_LOCK)
{
state.ClientSocket.Send(ack, 1, 0);
}
}
}
private static void processQuestComplete(ComState state)
{
var dbCon = new DatabaseConnect();
dbCon.updatePlayerExpAfterQuest(state.ClientID);
Console.WriteLine("Recieved quest complete");
}
//async method for connecting to clients
public static void connect(IAsyncResult ar)
{
ComState state = null;
try
{
//connection finished, allow others to connect
connectionFound.Set();
Console.WriteLine("\nPlayer connected gen com");
//get socket for client
Socket listener = (Socket)ar.AsyncState;
Socket handler = listener.EndAccept(ar);
byte[] id = new byte[16];
handler.Receive(id, 16, 0);
Guid clientID = new Guid(id);
ClientState addSocket;
lock (ConnectedPlayers.DICTIONARY_LOCK)
{
if (ConnectedPlayers.playerDetails.TryGetValue(clientID, out addSocket))
{
addSocket.GenComSocket = handler;
}
else
{
addSocket = new ClientState(handler, null, null, null);
ConnectedPlayers.playerDetails.Add(clientID, addSocket);
}
}
//link writelock with the playerdetails gencomwritelock for this client
state = new ComState(addSocket.GENCOM_WRITE_LOCK);
//initialize values
state.ClientSocket = handler;
state.Update = new byte[UPDATE_SIZE];
state.ClientID = clientID;
//start receiving client updates
handler.BeginReceive(state.Update, 0, UPDATE_SIZE, 0, new AsyncCallback(readUpdate), state);
}
//catch connection errors
catch (Exception e)
{
if (state != null)
{
state.disposeTimer();
}
Console.WriteLine(e.ToString());
Console.WriteLine("\nPlayer disconnected gen com connect");
}
}
private static void processSpCom(ComState state)
{
////tell user they recieved a quest
//byte[] type = { 3 };
////Console.WriteLine("quest elapsed 2");
//lock (state.WRITE_LOCK)
//{
// state.ClientSocket.Send(type);
//}
}
private static bool serverUpdateAvailable(ComState state)
{
Console.WriteLine("quest elapsed 0");
if (state.getQuest())
{
Console.WriteLine("quest elapsed 1");
return(true);
}
//anything else that needs to be checked other than quests?
return(false);
}
private static void processBattleReq(ComState state)
{
byte[] outUpdate = new byte[33];
outUpdate[0] = 0;
Array.Copy(state.ClientID.ToByteArray(), 0, outUpdate, 1, 16);
state.ClientSocket.Receive(outUpdate, 17, 16, 0);
ClientState opponent;
if (ConnectedPlayers.playerDetails.TryGetValue(getUpdateID(state.Update), out opponent))
{
lock (opponent.GENCOM_WRITE_LOCK)
{
opponent.GenComSocket.Send(outUpdate, 33, 0);
}
}
else
{
//temporarily write console message for potential troubleshooting
Console.WriteLine("Received ID not in player table");
}
}
//read updates from clients
public static void readUpdate(IAsyncResult ar)
{
//retreive the state object and socket
ComState state = (ComState)ar.AsyncState;
Socket handler = state.ClientSocket;
try
{
ar.AsyncWaitHandle.WaitOne();
if (handler.EndReceive(ar) == 0)
{
state.disposeTimer();
Console.WriteLine("\nPlayer disconnected gen com readUpdate");
return;
}
byte type = state.Update[0];
//if (serverUpdateAvailable(state))
//{
// processSpCom(state);
//}
switch (type)
{
//player requesting battle with another player
case 0:
processBattleReq(state);
break;
//player interacting with colloseum
case 1:
processColloseumReq(state);
break;
//player interacting with landmark
case 2:
processLandmarkReq(state);
break;
case 3:
processQuestComplete(state);
break;
case 4:
processItemReq(state);
break;
case 5:
processBattleResponse(state);
break;
//anything else we may want
default:
Console.WriteLine("Error: invalid update type received");
break;
}
handler.BeginReceive(state.Update, 0, UPDATE_SIZE, 0, new AsyncCallback(readUpdate), state);
}
//end communications gracefully if player disconnects
catch (Exception)
{
state.disposeTimer();
Console.WriteLine("\nPlayer disconnected gen com readUpdate");
}
}