/// <summary>
/// réception des messages
/// fin si le client se déconnecte
/// </summary>
/// <returns></returns>
public async Task WaitReceive()
{
//Console.WriteLine("First, listen for GUID");
// 1 - on attend la première data du client
// qui doit etre son GUID
var buffer = new byte[1024 * 4];
WebSocketReceiveResult result = null;
try
{
result = await webSocket.ReceiveAsync(new ArraySegment <byte>(buffer), CancellationToken.None);
Console.WriteLine($"[DEBUG] {result}");
}
catch (Exception err)
{
Console.WriteLine($"[ERROR] {err.Message}");
//Console.WriteLine($"[ERROR] {err.Message}");
IsEnd = true;
State = BotState.Disconnect;
try
{
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, "Error waiting data", CancellationToken.None);
}
catch (Exception) { }
return;
}
while (!result.CloseStatus.HasValue)
{
// 2 - réception du GUID
if (State == BotState.WaitingGUID)
{
if (result.Count != 38 && result.Count != 36 && result.Count != 32) // pas de GUID ?
{
IsEnd = true;
State = BotState.Disconnect;
if (result.Count > 0)
{
var temp = System.Text.Encoding.UTF8.GetString(buffer, 0, result.Count);
Console.WriteLine($"[ERROR GUID] {temp}");
}
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, "No GUID", CancellationToken.None);
return;
}
var text = System.Text.Encoding.UTF8.GetString(buffer, 0, result.Count);
// check que l'on a reçu un GUID
if (Guid.TryParse(text, out bot.GUID))
{
// et qu'il soit ok !
bot.Name = bot.GUID.ToString();
MapXY xy = MainGame.SearchEmptyCase();
MainGame.TheMap[xy.X, xy.Y] = CaseState.Ennemy;
bot.X = xy.X;
bot.Y = xy.Y;
bot.Energy = MainGame.Settings.EnergyStart;
bot.Score = 0;
Console.WriteLine($"[NEW BOT] {bot.GUID} @ {xy.X}/{xy.Y}");
State = BotState.Ready;
await SendMessage("OK");
//MainGame.RefreshViewer();
SendPositionToCockpit();
//await StartNewTurn();
}
else
{
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, $"[{text}] is not a GUID", CancellationToken.None);
return;
}
} // réception GUID
else
{ // exécute une action
if (result.Count < 1)
{
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, "Missing data in answer", CancellationToken.None);
return;
}
Console.WriteLine($"State {State}");
// On reçoit une commande du BOT
switch (State)
{
case BotState.WaitingAnswerD: // le niveau de détection désiré pour ce tour
string command = System.Text.Encoding.UTF8.GetString(buffer, 0, 1);
if (command != "D")
{
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, $"[ERROR] Not the right answer, waiting D#, receive {command}", CancellationToken.None);
return;
}
// commande D sans niveau...
if (result.Count < 1)
{
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, "Missing data in answer 'D'", CancellationToken.None);
return;
}
// do a scan of size value and send answer
byte distance = buffer[1];
Console.WriteLine($"{bot.Name}: scan distance={distance}");
if (distance > 0)
{
if (distance < bot.Energy)
{
bot.Energy -= distance;
await SendChangeInfo();
await DoScan(distance);
}
else
{
bot.Energy = 0;
State = BotState.IsDead;
await SendChangeInfo();
await SendDead();
}
}
else
{
// ici cas simple du scan à 0, pas de conso d'énergie
await DoScan(distance);
}
break;
case BotState.WaitingAction: // l'action a effectuer
BotAction action = (BotAction)buffer[0];
switch (action)
{
case BotAction.None: // None
State = BotState.Ready;
Console.WriteLine($"Bot {bot.Name} do nothing");
await SendMessage("OK");
break;
case BotAction.Move: // move
if (result.Count < 2)
{
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, "Missing data in answer 'M'", CancellationToken.None);
return;
}
byte direction = buffer[1];
Console.WriteLine($"Bot {bot.Name} moving direction {(MoveDirection)direction}");
await DoMove((MoveDirection)direction);
State = BotState.Ready;
await SendMessage("OK");
MainGame.RefreshViewer();
break;
case BotAction.ShieldLevel: // shield
if (result.Count < 3)
{
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, "Missing data in answer 'S'", CancellationToken.None);
return;
}
UInt16 shieldLevel = (UInt16)(buffer[1] + (buffer[2] << 8));
Console.WriteLine($"Bot {bot.Name} activate shield level {shieldLevel}");
bot.Energy += bot.ShieldLevel;
bot.ShieldLevel = shieldLevel;
MainGame.ViewerPlayerShield(bot.X, bot.Y, (byte)bot.ShieldLevel);
if (shieldLevel > bot.Energy)
{
bot.ShieldLevel = 0;
bot.Energy = 0;
await SendChangeInfo();
await SendDead();
}
else
{
bot.Energy -= shieldLevel;
}
State = BotState.Ready;
await SendMessage("OK");
break;
case BotAction.CloakLevel: // cloak
if (result.Count < 3)
{
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, "Missing data in answer 'C'", CancellationToken.None);
return;
}
UInt16 cloakLevel = (UInt16)(buffer[1] + (buffer[2] << 8));
Console.WriteLine($"Bot {bot.Name} activate cloak level {cloakLevel}");
// on récupère l'énergie actuelle dans le cloak
bot.Energy += (UInt16)(bot.CloakLevel / MainGame.Settings.EnergyCloakCostMultiplier);
// a-t-on assez d'énergie pour le niveau demandé ?
if (cloakLevel * MainGame.Settings.EnergyCloakCostMultiplier > bot.Energy)
{
bot.CloakLevel = 0;
bot.Energy = 0;
await SendChangeInfo();
await SendDead();
}
else
{
bot.Energy -= (UInt16)(cloakLevel * MainGame.Settings.EnergyCloakCostMultiplier);
bot.CloakLevel = cloakLevel;
MainGame.ViewerPlayerCloak(bot.X, bot.Y, (byte)bot.CloakLevel);
}
State = BotState.Ready;
await SendMessage("OK");
break;
case BotAction.Shoot:
if (result.Count < 2)
{
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, "Missing data in answer 'F'", CancellationToken.None);
return;
}
byte fireDirection = buffer[1];
Console.WriteLine($"Bot {bot.Name} shoot in direction {fireDirection}");
if (bot.Energy >= MainGame.Settings.EnergyLostShot)
{
bot.Energy -= MainGame.Settings.EnergyLostShot;
if (turn == 1)
{
await IsHit();
}
else
{
DoShoot(fireDirection);
}
}
else
{
bot.Energy = 0;
}
if (bot.Energy == 0)
{
await SendChangeInfo();
await SendDead();
}
State = BotState.Ready;
await SendMessage("OK");
break;
default:
Console.WriteLine($"[ERROR] lost with command {action} for state Action");
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, $"[ERROR] lost with command {action} for state Action", CancellationToken.None);
return;
}
break;
default:
string cmd = System.Text.Encoding.UTF8.GetString(buffer, 0, 1);
// on reçoit le nom du BOT
if (cmd == "N" && result.Count > 1)
{
bot.Name = System.Text.Encoding.UTF8.GetString(buffer, 1, result.Count - 1);
Console.WriteLine($"Le BOT {bot.GUID} se nomme {bot.Name}");
State = BotState.Ready;
//MainGame.SendCockpitInfo(bot.GUID, "N" + bot.Name);
MainGame.RefreshViewer();
await SendMessage("OK");
break;
}
Console.WriteLine($"[ERROR] lost with state {State}");
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
IsEnd = true;
State = BotState.Disconnect;
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, $"[ERROR] lost with state {State}", CancellationToken.None);
return;
}
/*var text = System.Text.Encoding.UTF8.GetString(buffer, 0, result.Count);
* if (text.IndexOf(ClientGuid.ToString()) < 0)
* MainGame.Broadcast(text + " " + ClientGuid.ToString());
*/
/*text = text + " et " + text + " :)";
* buffer = System.Text.Encoding.UTF8.GetBytes(text);
* await webSocket.SendAsync(new ArraySegment<byte>(buffer, 0, buffer.Length), result.MessageType, result.EndOfMessage, CancellationToken.None);
*/
}
//result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
try
{
result = await webSocket.ReceiveAsync(new ArraySegment <byte>(buffer), CancellationToken.None);
}
catch (Exception err)
{
Console.WriteLine($"[ERROR] {err.Message}");
if (MainGame.TheMap[bot.X, bot.Y] == CaseState.Ennemy)
{
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
}
IsEnd = true;
State = BotState.Disconnect;
try
{
await webSocket.CloseAsync(WebSocketCloseStatus.ProtocolError, "Error waiting data", CancellationToken.None);
}
catch (Exception) { }
return;
}
}
if (MainGame.TheMap[bot.X, bot.Y] == CaseState.Ennemy)
{
MainGame.TheMap[bot.X, bot.Y] = CaseState.Empty;
}
await webSocket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None);
IsEnd = true;
State = BotState.Disconnect;
}
