/// <summary>
/// Read from the queue into the consumer callable.
///
/// <paramref name="consumer"/> is expected to return the number of bytes
/// consumed, sans the header.
/// </summary>
/// <param name="consumer"></param>
public int Read(Func <string, InteropMessageHeader, IntPtr, int> consumer)
{
return(messageConsumer.Read((ptr) =>
{
int bytesRead = 0;
// Read target name (varying length string)
int targetSize = FastStructure.PtrToStructure <int>(ptr + bytesRead);
bytesRead += FastStructure.SizeOf <int>();
string targetName = "";
if (targetSize > 0)
{
byte[] target = new byte[targetSize];
FastStructure.ReadBytes(target, ptr + bytesRead, 0, targetSize);
targetName = Encoding.UTF8.GetString(target);
bytesRead += targetSize;
}
// Read message header
var headerSize = FastStructure.SizeOf <InteropMessageHeader>();
var header = FastStructure.PtrToStructure <InteropMessageHeader>(ptr + bytesRead);
bytesRead += headerSize;
// Call consumer to handle the rest of the payload
bytesRead += consumer(targetName, header, ptr + bytesRead);
// InteropLogger.Debug($"Consume {bytesRead} bytes - {header.type} for `{targetName}`");
return bytesRead;
}, 0));
}
internal static unsafe void PtrToStructure <T>(byte *ptr, out T structure)
where T : struct
{
structure = FastStructure.PtrToStructure <T>((IntPtr)ptr);
//var tr = __makeref(structure);
//*(IntPtr*)&tr = (IntPtr)ptr;
//structure = __refvalue( tr,T);
}
private int OnConnect(string target, IntPtr ptr)
{
unityState = FastStructure.PtrToStructure <InteropUnityState>(ptr);
IsConnectedToUnity = true;
InteropLogger.Debug($"{target} - {unityState.version} connected. Flavor Blasting.");
SendAllSceneData();
return(FastStructure.SizeOf <InteropUnityState>());
}
public virtual void SimpleImageCaptureLoop()
{
using (var consumer = new CircularBuffer(name: "MySharedMemory", nodeCount: 4, nodeBufferSize: ((8294400 + FastStructure <MetaDataStruct> .Size)) * 2)) // Should be large enough to store 2 full hd raw image data + 4 Size of Struct
{
Stopwatch stopwatch = new Stopwatch();
do
{
stopwatch.Reset();
stopwatch.Start();
try
{
consumer.Read(intPtr =>
{
MetaDataStruct metaData = FastStructure.PtrToStructure <MetaDataStruct>(intPtr);
if (metaData.length > 0)
{
byte[] byteArray = new byte[metaData.length];
FastStructure.ReadArray <byte>(byteArray, intPtr, 0, byteArray.Length);
using (var bm = byteArray.ToBitmap(metaData.width, metaData.height, metaData.pitch, metaData.format))
{
byte[] compressedJpgByteArray = bm.ToByteCompessedArray();
Bitmap bitmap = compressedJpgByteArray.ToBitmap();
pictureBox1.Invoke(new MethodInvoker(delegate()
{
if (pictureBox1.Image != null)
{
pictureBox1.Image.Dispose();
}
pictureBox1.Image = bitmap;
}));
}
}
return(0);
}, timeout: MAX_SLEEP_TIME);
}
catch (TimeoutException exception)
{
Console.WriteLine(exception);
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
int timeout = (int)(MAX_SLEEP_TIME - stopwatch.ElapsedMilliseconds);
Thread.Sleep(timeout >= 0 ? timeout : 0);
} while (true);
}
}
public T this[int index]
{
get {
if (index >= Length || index < 0)
{
throw new IndexOutOfRangeException();
}
int offset = ElementSize * index;
return(FastStructure.PtrToStructure <T>(
IntPtr.Add(ptr, offset)
));
}
}
public void CanAllocHGlobalReadWrite()
{
IntPtr mem = Marshal.AllocHGlobal(FastStructure.SizeOf <ComplexStructure>());
ComplexStructure n = new ComplexStructure();
n.Compatible.Integer1 = 1;
n.Compatible.Bookend = 2;
n.FirstElement = 3;
n.FinalElement = 9;
unsafe
{
n.Compatible.Contents[0] = 4;
n.Compatible.Contents[7] = 5;
}
FastStructure.StructureToPtr(ref n, mem);
// Assert that the reading and writing result in same structure
ComplexStructure m = FastStructure.PtrToStructure <ComplexStructure>(mem);
Assert.Equal(n, m);
Assert.Equal(n.Compatible.Integer1, m.Compatible.Integer1);
Assert.Equal(n.Compatible.Bookend, m.Compatible.Bookend);
unsafe
{
Assert.Equal(n.Compatible.Contents[0], m.Compatible.Contents[0]);
Assert.Equal(n.Compatible.Contents[7], m.Compatible.Contents[7]);
}
// Assert that Marshal.PtrToStructure is compatible
m = (ComplexStructure)Marshal.PtrToStructure(mem, typeof(ComplexStructure));
Assert.Equal(n, m);
Assert.Equal(n.Compatible.Integer1, m.Compatible.Integer1);
Assert.Equal(n.Compatible.Bookend, m.Compatible.Bookend);
unsafe
{
Assert.Equal(n.Compatible.Contents[0], m.Compatible.Contents[0]);
Assert.Equal(n.Compatible.Contents[7], m.Compatible.Contents[7]);
}
Marshal.FreeHGlobal(mem);
}
/// <summary>
/// Read from the viewport image buffer and copy
/// pixel data into the appropriate viewport.
/// </summary>
internal void ConsumePixels()
{
if (pixelsConsumer == null || pixelsConsumer.ShuttingDown)
{
return;
}
pixelsConsumer.Read((ptr) =>
{
var headerSize = FastStructure.SizeOf <InteropRenderHeader>();
var header = FastStructure.PtrToStructure <InteropRenderHeader>(ptr);
if (!viewports.ContainsKey(header.viewportId))
{
InteropLogger.Warning($"Got render texture for unknown viewport {header.viewportId}");
return(headerSize);
}
var viewport = viewports[header.viewportId];
var pixelDataSize = viewport.ReadPixelData(header, ptr + headerSize);
return(headerSize + pixelDataSize);
}, READ_WAIT);
}
private int OnUpdateUnityState(string target, IntPtr ptr)
{
unityState = FastStructure.PtrToStructure <InteropUnityState>(ptr);
return(FastStructure.SizeOf <InteropUnityState>());
}
/// <summary>
/// Consume a single message off the interop message queue
/// </summary>
/// <returns>Number of bytes read</returns>
private int ConsumeMessage()
{
var disconnected = false;
var bytesRead = messages.Read((target, header, ptr) =>
{
// While not connected - only accept connection requests
if (!IsConnected)
{
if (header.type != RpcRequest.Connect)
{
Debug.LogWarning($"Unhandled request type {header.type} for {target} - expected RpcRequest.Connect");
}
blenderState = FastStructure.PtrToStructure <InteropBlenderState>(ptr);
OnConnectToBlender();
return(0);
}
switch (header.type)
{
case RpcRequest.UpdateBlenderState:
blenderState = FastStructure.PtrToStructure <InteropBlenderState>(ptr);
break;
case RpcRequest.Disconnect:
// Don't call OnDisconnectFromBlender() from within
// the read handler - we want to release the read node
// safely first before disposing the connection.
disconnected = true;
break;
// Viewport messages
case RpcRequest.AddViewport:
AddViewport(
target,
FastStructure.PtrToStructure <InteropViewport>(ptr)
);
break;
case RpcRequest.RemoveViewport:
RemoveViewport(target);
break;
case RpcRequest.UpdateViewport:
GetViewport(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropViewport>(ptr)
);
break;
case RpcRequest.UpdateVisibleObjects:
var visibleObjectIds = new int[header.count];
FastStructure.ReadArray(visibleObjectIds, ptr, 0, header.count);
GetViewport(target).SetVisibleObjects(
visibleObjectIds
);
break;
// Object messages
case RpcRequest.AddObjectToScene:
AddObject(
target,
FastStructure.PtrToStructure <InteropSceneObject>(ptr)
);
break;
case RpcRequest.RemoveObjectFromScene:
RemoveObject(target);
break;
case RpcRequest.UpdateSceneObject:
UpdateObject(
target,
FastStructure.PtrToStructure <InteropSceneObject>(ptr)
);
break;
// Mesh messages
case RpcRequest.UpdateTriangles:
GetOrCreateMesh(target)
.triangles
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateVertices:
GetOrCreateMesh(target)
.vertices
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateNormals:
GetOrCreateMesh(target)
.normals
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateUV:
GetOrCreateMesh(target)
.uv
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateUV2:
GetOrCreateMesh(target)
.uv2
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateUV3:
GetOrCreateMesh(target)
.uv3
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateUV4:
GetOrCreateMesh(target)
.uv4
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateVertexColors:
GetOrCreateMesh(target)
.colors
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
// TODO: ... and so on for weights/bones/etc
case RpcRequest.UpdateMesh:
GetOrCreateMesh(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropMesh>(ptr)
);
break;
// Texture messages
case RpcRequest.UpdateTexture:
GetTexture(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropTexture>(ptr)
);
break;
case RpcRequest.UpdateTextureData:
GetTexture(target).CopyFrom(
ptr, header.index, header.count, header.length
);
break;
default:
Debug.LogWarning($"Unhandled request type {header.type} for {target}");
break;
}
// TODO: Necessary to count bytes? We won't read anything off this
// buffer at this point so it's safe to drop the whole thing.
// bytesRead will count the header size (indicating a message *was* read)
return(0);
});
// Handle any disconnects that may have occured during the read
if (disconnected)
{
OnDisconnectFromBlender();
}
return(bytesRead);
}
/// <summary>
/// Handle any messages coming from Blender
/// </summary>
private void ConsumeMessages()
{
Profiler.BeginSample("Consume Message");
var disconnected = false;
// TODO: Some messages should be skipped if !IsConnected.
// Otherwise we may get a bad state. E.g. we see a disconnect
// from Blender and THEN some other viewport/object data messages.
messages.Read((target, header, ptr) =>
{
ObjectController obj;
switch (header.type)
{
case RpcRequest.Connect:
blenderState = FastStructure.PtrToStructure <InteropBlenderState>(ptr);
OnConnectToBlender();
break;
case RpcRequest.UpdateBlenderState:
blenderState = FastStructure.PtrToStructure <InteropBlenderState>(ptr);
break;
case RpcRequest.Disconnect:
// Don't call OnDisconnectFromBlender() from within
// the read handler - we want to release the read node
// safely first before disposing the connection.
disconnected = true;
break;
case RpcRequest.AddViewport:
AddViewport(
target,
FastStructure.PtrToStructure <InteropViewport>(ptr)
);
break;
case RpcRequest.RemoveViewport:
RemoveViewport(target);
break;
case RpcRequest.UpdateViewport:
GetViewport(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropViewport>(ptr)
);
break;
case RpcRequest.UpdateVisibleObjects:
var visibleObjectIds = new int[header.count];
FastStructure.ReadArray(visibleObjectIds, ptr, 0, header.count);
GetViewport(target).SetVisibleObjects(
visibleObjectIds
);
break;
case RpcRequest.AddObjectToScene:
AddObject(
target,
FastStructure.PtrToStructure <InteropSceneObject>(ptr)
);
break;
case RpcRequest.RemoveObjectFromScene:
RemoveObject(target);
break;
case RpcRequest.UpdateSceneObject:
GetObject(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropSceneObject>(ptr)
);
break;
case RpcRequest.UpdateTriangles:
obj = GetObject(target);
FastStructure.ReadArray(obj.GetOrCreateTriangleBuffer(), ptr, header.index, header.count);
obj.OnUpdateTriangleRange(header.index, header.count);
break;
case RpcRequest.UpdateVertices:
obj = GetObject(target);
FastStructure.ReadArray(obj.GetOrCreateVertexBuffer(), ptr, header.index, header.count);
obj.OnUpdateVertexRange(header.index, header.count);
break;
case RpcRequest.UpdateNormals:
obj = GetObject(target);
FastStructure.ReadArray(obj.GetOrCreateNormalBuffer(), ptr, header.index, header.count);
obj.OnUpdateNormalRange(header.index, header.count);
break;
// TODO: ... and so on for UV/weights
default:
Debug.LogWarning($"Unhandled request type {header.type} for {target}");
break;
}
// TODO: Necessary to count bytes? We won't read anything off this
// buffer at this point so it's safe to drop the whole thing.
return(0);
});
// Handle any disconnects that may have occured during the read
if (disconnected)
{
OnDisconnectFromBlender();
}
Profiler.EndSample();
}