public Animatable(IEnumerable <KeyFrame <T> > keyFrames, int?propertyIndex)
{
KeyFrames = keyFrames.ToArray();
// There must be a least one key frame otherwise this constructor should not have been called.
InitialValue = KeyFrames[0].Value;
if (KeyFrames.Count == 1)
{
// There's only one key frame so the value never changes. We have
// saved the value in InitialValue. Might as well ditch the key frames.
KeyFrames = Array.Empty <KeyFrame <T> >();
}
PropertyIndex = propertyIndex;
Debug.Assert(KeyFrames.All(kf => kf != null), "Precondition");
}
private void WriteKeyFrames(BinaryWriter writer)
{
switch (KeyFrameType)
{
case RwKeyFrameType.Uncompressed:
{
WriteUncompressedKeyFrames(writer);
}
break;
case RwKeyFrameType.Compressed:
{
if (mCachedCompressedKeyframeData != null && KeyFrames.All(x => !x.Dirty))
{
// Sync time in case they were modified
for (int i = 0; i < mCachedCompressedKeyframeData.KeyFrames.Count; i++)
{
mCachedCompressedKeyframeData.KeyFrames[i].Time = KeyFrames[i].Time;
}
WriteCompressedKeyFrames(writer, mCachedCompressedKeyframeData.KeyFrames, mCachedCompressedKeyframeData.CustomData);
}
else
{
CompressKeyFrames(out List <RwCompressedKeyFrame> compressedKeyFrames,
out RwCompressedKeyFrameCustomData customData);
WriteCompressedKeyFrames(writer, compressedKeyFrames, customData);
}
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}