private static void _ReadDataNodes(XElement element, Vixen.Module.Sequence.SequenceBase sequence, Guid[] effectTable, Guid[] channelIdTable)
{
byte[] bytes = new byte[2 * sizeof(ushort) + sizeof(byte)];
int effectIdIndex;
int channelIdIndex;
int channelIdCount;
Guid effectId;
List <OutputChannel> channels = new List <OutputChannel>();
byte parameterCount;
List <object> parameters = new List <object>();
byte[] data;
long dataLength;
int startTime, timeSpan;
// Data is stored as a base-64 stream from a binary stream.
string dataString = element.Element("Data").Value;
data = Convert.FromBase64String(dataString);
using (MemoryStream dataStream = new MemoryStream(data)) {
dataLength = dataStream.Length;
while (dataStream.Position < dataLength)
{
channels.Clear();
parameters.Clear();
dataStream.Read(bytes, 0, bytes.Length);
// Index of the command spec id from the command table (word).
effectIdIndex = BitConverter.ToUInt16(bytes, 0 * sizeof(ushort));
// Referenced channel count (word).
channelIdCount = BitConverter.ToUInt16(bytes, 1 * sizeof(ushort));
// Parameter count (byte)
parameterCount = bytes[2 * sizeof(ushort)];
// Start time (dword).
dataStream.Read(bytes, 0, sizeof(int));
startTime = BitConverter.ToInt32(bytes, 0);
// Time span (dword).
dataStream.Read(bytes, 0, sizeof(int));
timeSpan = BitConverter.ToInt32(bytes, 0);
// Referenced channels (index into channel table, word).
var outputChannels = Vixen.Sys.Execution.Fixtures.SelectMany(x => x.Channels);
OutputChannel channel;
while (channelIdCount-- > 0)
{
dataStream.Read(bytes, 0, sizeof(ushort));
channelIdIndex = BitConverter.ToUInt16(bytes, 0);
// Channel may no longer exist.
//channels.Add(sequence.OutputChannels.FirstOrDefault(x => x.Id == channelIdTable[channelIdIndex]));
channel = outputChannels.FirstOrDefault(x => x.Id == channelIdTable[channelIdIndex]);
if (channel != null)
{
channels.Add(channel);
}
}
// Parameters (various)
while (parameterCount-- > 0)
{
parameters.Add(ParameterValue.ReadFromStream(dataStream));
}
// Get the effect inserted into the sequence.
if (effectIdIndex < effectTable.Length)
{
effectId = effectTable[effectIdIndex];
if (Modules.IsValidId(effectId))
{
sequence.InsertData(channels.ToArray(), startTime, timeSpan, new Command(effectId, parameters.ToArray()));
}
}
}
}
}