/// <summary>
/// Expects operation <see cref = "RadarSubscribe" /> and subscribes the <paramref name = "peer" /> to the <see cref = "MmoRadar" />.
/// Publishes an <see cref = "OperationResponse" /> with error code <see cref = "ReturnCode.Ok" /> if successful.
/// </summary>
/// <param name = "peer">
/// The client peer.
/// </param>
/// <param name = "request">
/// The request.
/// </param>
/// <param name = "sendParameters">
/// The send Parameters.
/// </param>
/// <returns>
/// Null or an <see cref = "OperationResponse" /> with error code <see cref = "ReturnCode.WorldNotFound" />.
/// </returns>
public static OperationResponse OperationRadarSubscribe(PeerBase peer, OperationRequest request, SendParameters sendParameters)
{
var mmoPeer = (MmoPeer)peer;
var operation = new RadarSubscribe(peer.Protocol, request);
if (!operation.IsValid)
{
return new OperationResponse(request.OperationCode) { ReturnCode = (int)ReturnCode.InvalidOperationParameter, DebugMessage = operation.GetErrorMessage() };
}
if (mmoPeer.MmoRadarSubscription != null)
{
mmoPeer.MmoRadarSubscription.Dispose();
mmoPeer.MmoRadarSubscription = null;
}
MmoWorld world;
if (MmoWorldCache.Instance.TryGet(operation.WorldName, out world) == false)
{
return operation.GetOperationResponse((int)ReturnCode.WorldNotFound, "WorldNotFound");
}
mmoPeer.MmoRadarSubscription = world.Radar.Channel.Subscribe(mmoPeer.RequestFiber, m => RadarChannel_OnItemEventMessage(peer, m));
// set return values
var responseObject = new RadarSubscribeResponse
{
BottomRightCorner = world.Area.Max.ToFloatArray(2),
TopLeftCorner = world.Area.Min.ToFloatArray(2),
TileDimensions = world.TileDimensions.ToFloatArray(2),
WorldName = world.Name
};
// send response before sending radar content
var response = new OperationResponse(request.OperationCode, responseObject);
peer.SendOperationResponse(response, sendParameters);
// send complete radar content to client
world.Radar.SendContentToPeer(mmoPeer);
// response already sent
return null;
}
/// <summary>
/// Gets the operation response.
/// </summary>
/// <param name="errorCode">
/// The error code.
/// </param>
/// <param name="debugMessage">
/// The debug message.
/// </param>
/// <returns>
/// A new operation response.
/// </returns>
public OperationResponse GetOperationResponse(short errorCode, string debugMessage)
{
var responseObject = new RadarSubscribeResponse { WorldName = this.WorldName };
return new OperationResponse(this.OperationRequest.OperationCode, responseObject) { ReturnCode = errorCode, DebugMessage = debugMessage };
}
