public override IEnumerable <W3dKeyframeWithValue> GetKeyframesWithValues(W3dMotionChannel channel)
{
for (var i = 0; i < TimeCodes.Length; i++)
{
yield return(new W3dKeyframeWithValue(TimeCodes[i], Values[i]));
}
}
public override IEnumerable <W3dKeyframeWithValue> GetKeyframesWithValues(W3dMotionChannel channel)
{
var decodedData = W3dAdaptiveDeltaCodec.Decode(
Data,
channel.NumTimeCodes,
Scale);
for (var i = (ushort)0; i < decodedData.Length; i++)
{
yield return(new W3dKeyframeWithValue(
i,
decodedData[i]));
}
}
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;
}));
}
internal static W3dCompressedAnimation Parse(BinaryReader reader, W3dParseContext context)
{
return(ParseChunk(reader, context, header =>
{
var result = new W3dCompressedAnimation();
ParseChunks(reader, context.CurrentEndPosition, chunkType =>
{
switch (chunkType)
{
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION_HEADER:
result.Header = W3dCompressedAnimationHeader.Parse(reader, context);
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION_CHANNEL:
switch (result.Header.Flavor)
{
case W3dCompressedAnimationFlavor.TimeCoded:
result.TimeCodedChannels.Add(W3dTimeCodedAnimationChannel.Parse(reader, context));
break;
case W3dCompressedAnimationFlavor.AdaptiveDelta4:
result.AdaptiveDeltaChannels.Add(W3dAdaptiveDeltaAnimationChannel.Parse(reader, context, W3dAdaptiveDeltaBitCount.FourBits));
break;
default:
throw new InvalidDataException();
}
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_BIT_CHANNEL:
switch (result.Header.Flavor)
{
case W3dCompressedAnimationFlavor.TimeCoded:
result.TimeCodedBitChannels.Add(W3dTimeCodedBitChannel.Parse(reader, context));
break;
default:
throw new InvalidDataException();
}
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION_MOTION_CHANNEL:
switch (result.Header.Flavor)
{
case W3dCompressedAnimationFlavor.TimeCoded:
result.MotionChannels.Add(W3dMotionChannel.Parse(reader, context));
break;
default:
throw new InvalidDataException();
}
break;
default:
throw CreateUnknownChunkException(chunkType);
}
});
return result;
}));
}
public abstract IEnumerable <W3dKeyframeWithValue> GetKeyframesWithValues(W3dMotionChannel channel);
public static W3dCompressedAnimation Parse(BinaryReader reader, uint chunkSize)
{
var timeCodedChannels = new List <W3dTimeCodedAnimationChannel>();
var adaptiveDeltaChannels = new List <W3dAdaptiveDeltaAnimationChannel>();
var timeCodedBitChannels = new List <W3dTimeCodedBitChannel>();
var motionChannels = new List <W3dMotionChannel>();
var finalResult = ParseChunk <W3dCompressedAnimation>(reader, chunkSize, (result, header) =>
{
switch (header.ChunkType)
{
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION_HEADER:
result.Header = W3dCompressedAnimationHeader.Parse(reader);
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION_CHANNEL:
switch (result.Header.Flavor)
{
case W3dCompressedAnimationFlavor.TimeCoded:
timeCodedChannels.Add(W3dTimeCodedAnimationChannel.Parse(reader, header.ChunkSize));
break;
case W3dCompressedAnimationFlavor.AdaptiveDelta:
adaptiveDeltaChannels.Add(W3dAdaptiveDeltaAnimationChannel.Parse(reader, header.ChunkSize));
break;
default:
throw new InvalidDataException();
}
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_BIT_CHANNEL:
switch (result.Header.Flavor)
{
case W3dCompressedAnimationFlavor.TimeCoded:
timeCodedBitChannels.Add(W3dTimeCodedBitChannel.Parse(reader, header.ChunkSize));
break;
default:
throw new InvalidDataException();
}
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION_MOTION_CHANNEL:
switch (result.Header.Flavor)
{
case W3dCompressedAnimationFlavor.TimeCoded:
motionChannels.Add(W3dMotionChannel.Parse(reader, header.ChunkSize));
break;
default:
throw new InvalidDataException();
}
break;
default:
throw CreateUnknownChunkException(header);
}
});
finalResult.TimeCodedChannels = timeCodedChannels;
finalResult.AdaptiveDeltaChannels = adaptiveDeltaChannels;
finalResult.TimeCodedBitChannels = timeCodedBitChannels;
finalResult.MotionChannels = motionChannels;
return(finalResult);
}
