/// <summary>
/// Records a <c>ReplayBodyFrame</c>.
/// </summary>
/// <param name="frame">The frame.</param>
public async Task RecordAsync(ReplayBodyFrame frame)
{
if (_writer.BaseStream == null || _writer.BaseStream.CanWrite == false)
{
return;
}
await Task.Run(() =>
{
try
{
// Header
_writer.Write((int)frame.FrameType);
_writer.Write(frame.RelativeTime.TotalMilliseconds);
// Data
using (var dataStream = new MemoryStream())
{
using (var dataWriter = new BinaryWriter(dataStream))
{
dataWriter.Write(frame.BodyCount);
dataWriter.Write(frame.FloorClipPlane.W);
dataWriter.Write(frame.FloorClipPlane.X);
dataWriter.Write(frame.FloorClipPlane.Y);
dataWriter.Write(frame.FloorClipPlane.Z);
int trackedBodyCount = 0;
for (var i = 0; i < frame.BodyCount; i++)
{
if (RecordBody(frame.Bodies[i], dataWriter))
{
trackedBodyCount++;
}
}
// Reset frame data stream
dataWriter.Flush();
dataStream.Position = 0;
// Write FrameSize
_writer.Write(dataStream.Length);
// Write actual frame data
dataStream.CopyTo(_writer.BaseStream);
// Write end of frame marker
_writer.Write(ReplayFrame.EndOfFrameMarker);
System.Diagnostics.Debug.WriteLine(" (recorded {0} tracked bodies)", trackedBodyCount);
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
});
}
private void bodyReplay_FrameArrived(ReplayBodyFrame frame)
{
if (BodyFrameArrived != null)
{
BodyFrameArrived(this, new ReplayFrameArrivedEventArgs <ReplayBodyFrame> {
Frame = frame
});
}
}
/// <summary>
/// Adds a frame to the Frames list.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="version">The version.</param>
public void AddFrame(BinaryReader reader, Version version)
{
var frame = ReplayBodyFrame.FromReader(reader, version);
if (frame != null)
{
this.Frames.Add(frame);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ReplayBodyFrame"/> class
/// by reading from the specified <c>BinaryReader</c>.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="version">The version.</param>
/// <returns>The <c>ReplayBodyFrame</c></returns>
/// <exception cref="System.IO.IOException">The recording appears to be corrupt.</exception>
public static ReplayBodyFrame FromReader(BinaryReader reader, Version version)
{
var frame = new ReplayBodyFrame();
frame.FrameType = FrameTypes.Body;
frame.RelativeTime = TimeSpan.FromMilliseconds(reader.ReadDouble());
frame.FrameSize = reader.ReadInt64();
long frameStartPos = reader.BaseStream.Position;
frame.BodyCount = reader.ReadInt32();
frame.FloorClipPlane = new Vector4()
{
W = reader.ReadSingle(),
X = reader.ReadSingle(),
Y = reader.ReadSingle(),
Z = reader.ReadSingle()
};
frame.Bodies = new List <CustomBody>();
for (var i = 0; i < frame.BodyCount; i++)
{
frame.Bodies.Add(CreateBodyFromReader(reader, version));
}
// Do Frame Integrity Check
if (reader.ReadString() != ReplayFrame.EndOfFrameMarker)
{
System.Diagnostics.Debug.WriteLine("BAD FRAME...RESETTING");
reader.BaseStream.Position = frameStartPos + frame.FrameSize;
if (reader.ReadString() != ReplayFrame.EndOfFrameMarker)
{
throw new IOException("The recording appears to be corrupt.");
}
return(null);
}
return(frame);
}
