public static W3dMotionChannel Parse(BinaryReader reader, uint chunkSize)
{
var startPosition = reader.BaseStream.Position;
var zero = reader.ReadByte();
if (zero != 0)
{
throw new InvalidDataException();
}
var result = new W3dMotionChannel
{
DeltaType = reader.ReadByteAsEnum <W3dMotionChannelDeltaType>(),
VectorLength = reader.ReadByte(),
ChannelType = (W3dAnimationChannelType)reader.ReadByte(),
NumTimeCodes = reader.ReadUInt16(),
Pivot = reader.ReadUInt16()
};
W3dAnimationChannel.ValidateChannelDataSize(result.ChannelType, result.VectorLength);
switch (result.DeltaType)
{
case W3dMotionChannelDeltaType.TimeCoded:
result.Data = W3dMotionChannelTimeCodedData.Parse(reader, result.NumTimeCodes, result.ChannelType);
break;
case W3dMotionChannelDeltaType.Delta4:
// TODO
reader.ReadBytes((int)(startPosition + chunkSize - reader.BaseStream.Position));
break;
case W3dMotionChannelDeltaType.Delta8:
// TODO
reader.ReadBytes((int)(startPosition + chunkSize - reader.BaseStream.Position));
break;
default:
throw new InvalidDataException();
}
return(result);
}
internal static W3dMotionChannel Parse(BinaryReader reader, W3dParseContext context)
{
return(ParseChunk(reader, context, header =>
{
var zero = reader.ReadByte();
if (zero != 0)
{
throw new InvalidDataException();
}
var result = new W3dMotionChannel
{
DeltaType = reader.ReadByteAsEnum <W3dMotionChannelDeltaType>(),
VectorLength = reader.ReadByte(),
ChannelType = reader.ReadByteAsEnum <W3dAnimationChannelType>(),
NumTimeCodes = reader.ReadUInt16(),
Pivot = reader.ReadUInt16()
};
W3dAnimationChannel.ValidateChannelDataSize(result.ChannelType, result.VectorLength);
switch (result.DeltaType)
{
case W3dMotionChannelDeltaType.TimeCoded:
result.Data = W3dMotionChannelTimeCodedData.Parse(reader, result.NumTimeCodes, result.ChannelType);
break;
case W3dMotionChannelDeltaType.Delta4:
result.Data = W3dMotionChannelAdaptiveDeltaData.Parse(reader, result.NumTimeCodes, result.ChannelType, result.VectorLength, W3dAdaptiveDeltaBitCount.FourBits);
break;
case W3dMotionChannelDeltaType.Delta8:
result.Data = W3dMotionChannelAdaptiveDeltaData.Parse(reader, result.NumTimeCodes, result.ChannelType, result.VectorLength, W3dAdaptiveDeltaBitCount.EightBits);
break;
default:
throw new InvalidDataException();
}
return result;
}));
}
