/// <summary>
/// Reads an <see cref="ARViewUpdate"/> message from the given byte array.
/// </summary>
/// <param name="bytes">The byte array to read from.</param>
/// <param name="length">The maximum amount of bytes to read.</param>
/// <returns>The created <see cref="ARViewUpdate"/>.</returns>
public static ARViewUpdate ReadARViewUpdate(byte[] bytes, int length)
{
Assert.IsNotNull(bytes);
Assert.IsFalse(length < 28, "ARViewUpdate length needs to be at least 28");
Assert.IsFalse(bytes.Length < length, "byte array length is insufficient");
int id = MessageProcessor.ReadInt32(bytes, 0);
Vector3 position = new Vector3(
MessageProcessor.ReadSingle(bytes, 4),
MessageProcessor.ReadSingle(bytes, 8),
MessageProcessor.ReadSingle(bytes, 12));
Vector3 rotation = new Vector3(
MessageProcessor.ReadSingle(bytes, 16),
MessageProcessor.ReadSingle(bytes, 20),
MessageProcessor.ReadSingle(bytes, 24));
return(new ARViewUpdate(id, position, rotation));
}
internal void AcceptReaderConnection(Socket readingSocket,
MessageProcessor messageProcessor)
{
try
{
if (IsClosed)
{
throw new NodeException("AcceptConnection: node is disconnected " + FullDescription());
}
if (readerStatus != ReadStatus.READY)
{
throw new NodeException("AcceptConnection: reader is aready initialized " + FullDescription());
}
reader = new SocketReader(sync,
(stm) =>
{
//string sentMsg = mtp.ToString();
//if (MasterFileLog.LogLevel > 2)
// sentMsg += new ChunkDebug(stm).GetData() + "\n\n";
//Log.EntryVerbose(LogR, sentMsg);
messageProcessor(stm, this);
},
(ioex) =>
{
readerStatus = ReadStatus.DISCONNECTED;
Close(ioex, DisconnectType.READ);
},
OnSoftDisconnectReader,
readingSocket);
readerStatus = ReadStatus.READING;
}
catch (Exception)
{
readingSocket.Close();
throw;
}
}
/// <summary>
/// Reads a single PositionUpdate message from the Socket.
/// <para>
/// If not enough data is available, this method may return null.
/// </para>
/// </summary>
/// <returns>The PositionUpdate.</returns>
public AbstractUpdate ReadMessage()
{
int received = this.socket.Receive(this.buffer, 1, SocketFlags.None);
if (received < 1)
{
Debug.Log("Received not enough bytes: " + received);
return(null);
}
byte type = this.buffer[0];
switch ((UpdateType)type)
{
case UpdateType.DeletePosition:
received = this.socket.Receive(this.buffer, 4, SocketFlags.None);
return(MessageProcessor.ReadDelete(this.buffer, received));
case UpdateType.UpdatePosition:
received = this.socket.Receive(this.buffer, 16, SocketFlags.None);
return(MessageProcessor.ReadUpdatePosition(this.buffer, received));
case UpdateType.Ping:
return(new PingUpdate());
case UpdateType.UpdateRotation:
received = this.socket.Receive(this.buffer, 8, SocketFlags.None);
return(MessageProcessor.ReadUpdateRotation(this.buffer, received));
case UpdateType.UpdateLevel:
received = this.socket.Receive(this.buffer, 16, SocketFlags.None);
return(MessageProcessor.ReadUpdateLevel(this.buffer, received));
case UpdateType.UpdateARView:
received = this.socket.Receive(this.buffer, 28, SocketFlags.None);
return(MessageProcessor.ReadARViewUpdate(this.buffer, received));
default:
return(null);
}
}
/// <summary>
/// Reads a <c>Delete</c> type PositionUpdate message.
/// </summary>
/// <param name="buffer">The byte array containing data.</param>
/// <param name="length">The length of the message.</param>
/// <returns>The PositionUpdate.</returns>
public static PositionUpdate ReadDelete(byte[] buffer, int length)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (buffer.Length < length)
{
throw new ArgumentOutOfRangeException("buffer", buffer, "The buffer is not long enough to contain a message of the specified length.");
}
if (length < 4)
{
return(null);
}
int id = MessageProcessor.ReadInt32(buffer, 0);
return(new PositionUpdate(UpdateType.DeletePosition, new Vector2(0, 0), 0, id));
}
/// <summary>
/// Reads a <c>UpdateRotation</c> type RotationUpdate message.
/// </summary>
/// <param name="buffer">The byte array containing data.</param>
/// <param name="length">The length of the message.</param>
/// <returns>The RotationUpdate.</returns>
public static RotationUpdate ReadUpdateRotation(byte[] buffer, int length)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (buffer.Length < length)
{
throw new ArgumentOutOfRangeException("buffer", buffer, "The buffer is not long enough to contain a message of the specified length.");
}
if (length < 8)
{
return(null);
}
int id = MessageProcessor.ReadInt32(buffer, 0);
float rotation = MessageProcessor.ReadSingle(buffer, 4);
return(new RotationUpdate(UpdateType.UpdateRotation, rotation, id));
}
/// <summary>
/// Reads a <c>UpdateRotation</c> type RotationUpdate message.
/// </summary>
/// <param name="buffer">The byte array containing data.</param>
/// <param name="length">The length of the message.</param>
/// <returns>The RotationUpdate.</returns>
public static LevelUpdate ReadUpdateLevel(byte[] buffer, int length)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (buffer.Length < length)
{
throw new ArgumentOutOfRangeException("buffer", buffer, "The buffer is not long enough to contain a message of the specified length.");
}
if (length < 16)
{
return(null);
}
int index = MessageProcessor.ReadInt32(buffer, 0);
int time = MessageProcessor.ReadInt32(buffer, 4);
float width = MessageProcessor.ReadSingle(buffer, 8);
float height = MessageProcessor.ReadSingle(buffer, 12);
return(new LevelUpdate(index, new Vector2(width, height), time));
}
/// <summary>
/// Called whenever a local player changes its position.
/// </summary>
/// <param name="update">The <see cref="ARViewUpdate"/> to send.</param>
public void OnSendPosition(ARViewUpdate update)
{
this.socket.Send(MessageProcessor.WriteARViewUpdate(update));
}
/// <summary>
/// Called whenever one local player manages to complete the level.
/// </summary>
/// <param name="update">The LevelUpdate describing the change.</param>
public void OnLevelCompleted(LevelUpdate update)
{
this.socket.Send(MessageProcessor.WriteLevelUpdate(update));
}
/// <summary>
/// Called whenever the remote player rotates an object.
/// </summary>
/// <param name="update">The RotationUpdate describing the change.</param>
public void OnRotationChanged(RotationUpdate update)
{
this.socket.Send(MessageProcessor.WriteRotationUpdate(update));
}