internal void ReadStruct(NSData data)
{
IntPtr buffer = data.Bytes;
connectionParams = (MidiThruConnectionParamsStruct)Marshal.PtrToStructure(buffer, typeof(MidiThruConnectionParamsStruct));
// Put ourselves at the end of the static struct in case we need to fetch the dynamic part of the struct
IntPtr bufferEnd = IntPtr.Add(buffer, Marshal.SizeOf(typeof(MidiThruConnectionParamsStruct)));
var controlsSize = Marshal.SizeOf(typeof(MidiControlTransform));
if (connectionParams.NumControlTransforms == 0)
{
Controls = null;
}
else
{
Controls = new MidiControlTransform[connectionParams.NumControlTransforms];
unsafe { // Lets use memcpy to avoid a for loop
fixed(MidiControlTransform *arrAddr = &Controls[0])
Runtime.memcpy((IntPtr)arrAddr, bufferEnd, controlsSize * connectionParams.NumControlTransforms);
}
}
if (connectionParams.NumMaps == 0)
{
Maps = null;
}
else
{
Maps = new MidiValueMap [connectionParams.NumMaps];
bufferEnd = IntPtr.Add(bufferEnd, controlsSize * connectionParams.NumControlTransforms);
unsafe { // Lets use memcpy to avoid a for loop
for (int i = 0; i < connectionParams.NumMaps; i++)
{
Maps [i].Value = new byte [128];
fixed(byte *arrAddr = &Maps[i].Value[0])
Runtime.memcpy((IntPtr)arrAddr, bufferEnd, 128);
}
}
}
}
extern static void MIDIThruConnectionParamsInitialize(out MidiThruConnectionParamsStruct inConnectionParams);
