/// <summary>
/// Initializes a new instance of the <see cref="SharedObject" /> class.
/// </summary>
/// <param name="zOrderList">The z order list.</param>
/// <param name="id">The identifier.</param>
/// <param name="rectangle">The rectangle.</param>
/// <param name="privateOwnerName">Name of the private owner.</param>
/// <param name="gameElements">The game elements.</param>
public SharedObject(List <SharedObject> zOrderList, int id, Rectangle rectangle, string privateOwnerName, List <GameElement> gameElements)
{
_zOrderList = zOrderList;
Id = id;
// Apply magnetic grid at creation:
rectangle.Location = ScgGameState.GetMagneticLocation(rectangle);
Rectangle = rectangle;
GrabbedLocation = new Point(Rectangle.Left, Rectangle.Top);
PrivateOwnerName = privateOwnerName;
GameElements = gameElements;
GrabberName = null;
}
/// <summary>
/// Registers the new client.
/// </summary>
/// <param name="clientName">Name of the client.</param>
/// <param name="clientProtocolVersion"></param>
public void RegisterClient(string clientName, int clientProtocolVersion)
{
if (!string.IsNullOrEmpty(clientName))
{
try
{
var callback = OperationContext.Current.GetCallbackChannel<IScgBroadcastorCallBack>();
if (clientProtocolVersion != Common.ClientServerProtocolVersion)
{
callback.BroadcastBadProtocolVersion(Common.ClientServerProtocolVersion);
return;
}
lock (ClientsLocker)
{
if (Clients.Count <= MaxClientCount)
{
lock (GameStateLocker)
{
LogInfo(string.Format("RegisterClient(clientName = '{0}')", clientName), 1);
var removedPrivateAreaId = -1;
//Remove the old client using the same name:
if (Clients.Keys.Contains(clientName))
{
// The new client uses an already registerd name. Refuse it:
return;
}
//{
// Clients.Remove(clientName);
// LogWarning(string.Format("_clients.Remove(clientName = '{0}')", clientName), 2);
// // Remove the private area of the old client
// removedPrivateAreaId = _gameState.RemovePrivateArea(clientName);
// // Note: The removedSharedObjectId should be >= 0
// if (removedPrivateAreaId >= 0)
// {
// // Inform other existing clients of the disposed PrivateArea id:
// foreach (var client in Clients)
// {
// // Prepare StateChangeEventDataType:
// var stateChangeEventDataType =
// new StateChangeEventDataType();
// stateChangeEventDataType.StateChangeEventType =
// StateChangeEventType.DisposeSharedObject;
// stateChangeEventDataType.SharedObjectId = removedPrivateAreaId;
// // Send the StateChangeEventDataType to the client:
// client.Value.ScgBroadcastorCallBack.BroadcastToClient(
// stateChangeEventDataType);
// LogInfo(
// string.Format(
// "BroadcastToClient'{0}'(DisposeSharedObject, removedPrivateAreaId = '{1}')",
// client.Value.Name, removedPrivateAreaId), 3);
// }
// }
//}
Clients.Add(clientName, new Client(clientName, callback));
LogInfo(string.Format("_clients.Add(clientName = '{0}')", clientName), 4);
if (Clients.Count == 1)
{
// Initialize a new game state
_gameState = new ScgGameState(this);
}
bool newSharedObject;
var privateArea = _gameState.CreatePrivateArea(clientName, out newSharedObject);
// Search a possible client without private area (The registering client was previously already registered under another name we do not know)
// WARNING: This now shouldn't occur since the registered clients will now hide the registering pane:
foreach (var client in Clients)
{
if (_gameState.FindPrivateArea(client.Value.Name) == null)
{
var oldClientName = client.Value.Name;
// Remove this orphan client corresponding to the old name of the registering client:
Clients.Remove(oldClientName);
LogWarning(
string.Format("_clients.Remove(oldClientName = '{0}')", oldClientName), 5);
// Inform other existing clients of the disposed PrivateArea id:
foreach (var cli in Clients)
{
if (cli.Value.Name != clientName)
{
// Prepare StateChangeEventDataType:
var stateChangeEventDataType =
new StateChangeEventDataType();
stateChangeEventDataType.StateChangeEventType =
StateChangeEventType.DisposeSharedObject;
stateChangeEventDataType.PrivateOwnerClientName = oldClientName;
stateChangeEventDataType.SharedObjectId = removedPrivateAreaId;
// Send the StateChangeEventDataType to the client:
cli.Value.ScgBroadcastorCallBack.BroadcastToClient(
stateChangeEventDataType);
LogInfo(
string.Format(
"BroadcastToClient'{0}'(DisposeSharedObject, removedPrivateAreaId = '{1}')",
cli.Value.Name, removedPrivateAreaId), 6);
}
}
break;
}
}
// Inform other existing clients of new PrivateArea:
foreach (var client in Clients)
{
if (client.Value.Name != clientName)
{
// Prepare StateChangeEventDataType:
var stateChangeEventDataType =
new StateChangeEventDataType();
stateChangeEventDataType.StateChangeEventType =
StateChangeEventType.NewSharedObject;
stateChangeEventDataType.SharedObjectId = privateArea.Id;
stateChangeEventDataType.PrivateOwnerClientName = privateArea.PrivateOwnerName;
stateChangeEventDataType.NewSharedObjectLocation =
new Point(privateArea.Rectangle.Left, privateArea.Rectangle.Top);
stateChangeEventDataType.SharedObjectSize =
new Size(privateArea.Rectangle.Size.Width, privateArea.Rectangle.Size.Height);
stateChangeEventDataType.NewSharedObjectPicture = privateArea.Picture;
// Send the StateChangeEventDataType to the client:
client.Value.ScgBroadcastorCallBack.BroadcastToClient(stateChangeEventDataType);
LogInfo(
string.Format(
"BroadcastToClient'{0}'(NewSharedObject, privateArea.Id = '{1}')",
client.Value.Name, privateArea.Id), 7);
}
}
// Inform the new client (and only him) of the current state of the game:
Client newClient;
var foundNewClient = Clients.TryGetValue(clientName, out newClient);
if (foundNewClient && newClient != null)
{
// Parse all shared objects in reversed order (from the back to the topmost one shared object):
for (var i = _gameState.ZOrderListOfSharedObjects.Count - 1; i >= 0; i--)
{
var sharedObject = _gameState.ZOrderListOfSharedObjects[i];
// Prepare StateChangeEventDataType:
var stateChangeEventDataType = new StateChangeEventDataType();
stateChangeEventDataType.StateChangeEventType =
StateChangeEventType.NewSharedObject;
stateChangeEventDataType.SharedObjectId = sharedObject.Id;
stateChangeEventDataType.PrivateOwnerClientName = sharedObject.PrivateOwnerName;
stateChangeEventDataType.NewSharedObjectLocation =
new Point(sharedObject.Rectangle.Left, sharedObject.Rectangle.Top);
stateChangeEventDataType.SharedObjectSize =
new Size(sharedObject.Rectangle.Size.Width,
sharedObject.Rectangle.Size.Height);
stateChangeEventDataType.NewSharedObjectPicture = sharedObject.Picture;
// Send the StateChangeEventDataType to the new (and only) client:
newClient.ScgBroadcastorCallBack.BroadcastToClient(stateChangeEventDataType);
LogInfo(
string.Format(
"BroadcastToClient'{0}'(NewSharedObject, sharedObject.Id = '{1}')",
newClient, sharedObject.Id), 8);
}
}
}
}
else
{
LogWarning(
string.Format(
"Refused to RegisterClient(clientName = '{0}') because the _clients list is full. ({1} clients)",
clientName, Clients.Count), 1);
}
}
}
catch (Exception ex)
{
// Unexpected exception:
LogWarning(string.Format("Unexpected exception ex.Message = '{0}' in RegisterClient)", ex.Message), 9);
// Throw it to restart the service (in case of service channel canceled)
throw;
}
}
}
