/// <summary>
/// Transform the decoder array to a mapping of index to type ID.
/// </summary>
private static AnimDecoderType[] MakeDecoderArray(IKeyValueCollection[] decoderArray)
{
var array = new AnimDecoderType[decoderArray.Length];
for (var i = 0; i < decoderArray.Length; i++)
{
var decoder = decoderArray[i];
array[i] = AnimDecoder.FromString(decoder.GetProperty <string>("m_szName"));
}
return(array);
}
/// <summary>
/// Transform the decoder array to a mapping of index to type ID
/// </summary>
/// <param name="decoderArray"></param>
/// <returns></returns>
private AnimDecoderType[] MakeDecoderArray(NTROArray decoderArray)
{
var array = new AnimDecoderType[decoderArray.Count];
for (var i = 0; i < decoderArray.Count; i++)
{
var decoder = decoderArray.Get <NTROStruct>(i);
array[i] = AnimDecoder.FromString(decoder.Get <string>("m_szName"));
}
return(array);
}
public static int Size(this AnimDecoderType t)
{
switch (t)
{
case AnimDecoderType.CCompressedFullVector3:
case AnimDecoderType.CCompressedAnimVector3:
return(12);
case AnimDecoderType.CCompressedStaticVector:
case AnimDecoderType.CCompressedAnimQuaternion:
return(6);
}
return(0);
}
// Construct an animation class from the animation description
private void ConstructFromDesc(NTROStruct animDesc, NTROStruct decodeKey, AnimDecoderType[] decoderArray, NTROArray segmentArray)
{
// Get animation properties
Name = animDesc.Get<string>("m_name");
Fps = animDesc.Get<float>("fps");
// Only consider first frame block for now
var pData = animDesc.Get<NTROArray>("m_pData").Get<NTROStruct>(0);
var frameBlockArray = pData.Get<NTROArray>("m_frameblockArray").ToArray<NTROStruct>();
FrameCount = pData.Get<int>("m_nFrames");
Frames = new Frame[FrameCount];
// Figure out each frame
for (var frame = 0; frame < FrameCount; frame++)
{
// Create new frame object
Frames[frame] = new Frame();
// Read all frame blocks
foreach (var frameBlock in frameBlockArray)
{
var startFrame = frameBlock.Get<int>("m_nStartFrame");
var endFrame = frameBlock.Get<int>("m_nEndFrame");
// Only consider blocks that actual contain info for this frame
if (frame >= startFrame && frame <= endFrame)
{
var segmentIndexArray = frameBlock.Get<NTROArray>("m_segmentIndexArray").ToArray<int>();
foreach (var segmentIndex in segmentIndexArray)
{
var segment = segmentArray.Get<NTROStruct>(segmentIndex);
ReadSegment(frame - startFrame, segment, decodeKey, decoderArray, ref Frames[frame]);
}
}
}
}
}
private void ReadSegment(int frame, NTROStruct segment, NTROStruct decodeKey, AnimDecoderType[] decoderArray, ref Frame outFrame)
{
//Clamp the frame number to be between 0 and the maximum frame
frame = frame < 0 ? 0 : frame;
frame = frame >= FrameCount ? FrameCount - 1 : frame;
var localChannel = segment.Get<int>("m_nLocalChannel");
var dataChannel = decodeKey.Get<NTROArray>("m_dataChannelArray").Get<NTROStruct>(localChannel);
var boneNames = dataChannel.Get<NTROArray>("m_szElementNameArray").ToArray<string>();
var channelAttribute = dataChannel.Get<string>("m_szVariableName");
// Read container
var container = segment.Get<NTROArray>("m_container").ToArray<byte>();
using (var containerReader = new BinaryReader(new MemoryStream(container)))
{
var elementIndexArray = dataChannel.Get<NTROArray>("m_nElementIndexArray").ToArray<int>();
var elementBones = new int[decodeKey.Get<int>("m_nChannelElements")];
for (var i = 0; i < elementIndexArray.Length; i++)
{
elementBones[elementIndexArray[i]] = i;
}
// Read header
var decoder = decoderArray[containerReader.ReadInt16()];
var cardinality = containerReader.ReadInt16();
var numBones = containerReader.ReadInt16();
var totalLength = containerReader.ReadInt16();
// Read bone list
var elements = new List<int>();
for (var i = 0; i < numBones; i++)
{
elements.Add(containerReader.ReadInt16());
}
// Skip data to find the data for the current frame.
// Structure is just | Bone 0 - Frame 0 | Bone 1 - Frame 0 | Bone 0 - Frame 1 | Bone 1 - Frame 1|
containerReader.BaseStream.Position += decoder.Size() * frame * numBones;
// Read animation data for all bones
for (var element = 0; element < numBones; element++)
{
//Get the bone we are reading for
var bone = elementBones[elements[element]];
// Look at the decoder to see what to read
switch (decoder)
{
case AnimDecoderType.CCompressedStaticFullVector3:
case AnimDecoderType.CCompressedFullVector3:
case AnimDecoderType.CCompressedDeltaVector3:
outFrame.SetAttribute(boneNames[bone], channelAttribute, new Vector3(
containerReader.ReadSingle(),
containerReader.ReadSingle(),
containerReader.ReadSingle()));
break;
case AnimDecoderType.CCompressedStaticVector:
outFrame.SetAttribute(boneNames[bone], channelAttribute, new Vector3(
ReadHalfFloat(containerReader),
ReadHalfFloat(containerReader),
ReadHalfFloat(containerReader)));
break;
case AnimDecoderType.CCompressedAnimQuaternion:
outFrame.SetAttribute(boneNames[bone], channelAttribute, ReadQuaternion(containerReader));
break;
}
}
}
}
// Transform the decoder array to a mapping of index to type ID
private AnimDecoderType[] MakeDecoderArray(NTROArray decoderArray)
{
var array = new AnimDecoderType[decoderArray.Count];
for (var i = 0; i < decoderArray.Count; i++)
{
var decoder = decoderArray.Get<NTROStruct>(i);
array[i] = AnimDecoder.FromString(decoder.Get<string>("m_szName"));
}
return array;
}