public static KeyframeAnimation Create(AnimationSampler animSampler, AnimationClip animationClip)
{
KeyframeAnimation anim = new KeyframeAnimation();
anim.InitWithRigTransforms(animSampler.TargetRig);
anim.duration = Utility.ComputeAccurateClipDuration(animationClip);
anim.numFrames = 0;
var bindings = AnimationUtility.GetCurveBindings(animationClip);
foreach (EditorCurveBinding binding in bindings)
{
int jointIndex = animSampler.TargetRig.GetJointIndexFromPath(binding.path);
if (jointIndex >= 0)
{
var curve = AnimationUtility.GetEditorCurve(animationClip, binding);
if (jointIndex == 0 && animationClip.hasMotionCurves)
{
if (binding.propertyName.Contains("Motion"))
{
anim.MapEditorCurve(jointIndex, binding.propertyName, "MotionT", "MotionQ", curve);
}
}
else if (jointIndex == 0 && animationClip.hasRootCurves)
{
if (binding.propertyName.Contains("Root"))
{
anim.MapEditorCurve(jointIndex, binding.propertyName, "RootT", "RootQ", curve);
}
}
else
{
anim.MapEditorCurve(jointIndex, binding.propertyName, "m_LocalPosition", "m_LocalRotation", curve);
}
}
}
anim.animationCurves.Sort((x, y) => x.CompareTo(y));
return(anim);
}
void ResetAnimationSampler()
{
DisableDisplayTrajectory();
clip = null;
sourceAvatar = null;
if (clipAssetCallbacks != null)
{
clipAssetCallbacks.Dispose();
clipAssetCallbacks = null;
}
if (sampler != null)
{
sampler.Dispose();
sampler = null;
}
previousTime = -1.0f;
}
bool InitAnimationSampler(TaggedAnimationClip clip)
{
this.clip = clip;
if (clipAssetCallbacks != null)
{
clipAssetCallbacks.Dispose();
}
AnimationClip animationClip = clip.GetOrLoadClipSync();
clipAssetCallbacks = new AssetPostprocessCallbacks(animationClip);
clipAssetCallbacks.importDelegate = OnClipReimport;
clipAssetCallbacks.deleteDelegate = OnClipDelete;
sourceAvatar = clip.RetargetSourceAvatar;
if (sampler != null)
{
sampler.Dispose();
sampler = null;
}
try
{
sampler = new AnimationSampler(targetRig, animationClip);
}
catch (Exception e)
{
Debug.LogError(e.Message);
return(false);
}
previousTime = -1.0f;
return(true);
}
public IEnumerator BuildTransforms()
{
//
// Now re-sample all animations according to the target
// sample rate and adjust the segment information to
// reference the transforms array.
//
//
// Calculate total number of poses to be generated
// (based on previously generated segments)
//
int numJoints = rig.NumJoints;
if (numJoints < 2)
{
throw new ArgumentException($"Rig does not have enough joints. Only {numJoints} present.");
}
if (numFrames == 0)
{
throw new Exception("No animation frame to process, please make sure there is at least one single non-empty tag in your Kinematica asset.");
}
int numTransforms = numFrames * numJoints;
using (NativeArray <AffineTransform> transforms = new NativeArray <AffineTransform>(numTransforms, Allocator.Persistent))
{
int globalSegmentIndex = 0;
int destinationFrameIndex = 0;
for (int clipIndex = 0; clipIndex < clipSegments.Count; ++clipIndex)
{
ClipSegments segments = clipSegments[clipIndex];
AnimationClip clip = segments.Clip.GetOrLoadClipSync();
using (AnimationSampler animSampler = new AnimationSampler(rig, clip))
{
float sourceSampleRate = clip.frameRate;
float targetSampleRate = asset.SampleRate;
float sampleRateRatio = sourceSampleRate / targetSampleRate;
int numFrameResampledClip = (int)math.ceil(targetSampleRate * segments.Clip.DurationInSeconds);
for (int segmentIndex = 0; segmentIndex < segments.NumSegments; ++segmentIndex, ++globalSegmentIndex)
{
Segment segment = segments[segmentIndex];
int firstFrame = Missing.roundToInt(segment.source.FirstFrame / sampleRateRatio);
firstFrame = math.min(firstFrame, numFrameResampledClip - 1);
SampleRange sampleRange = new SampleRange()
{
startFrameIndex = firstFrame,
numFrames = segment.destination.NumFrames
};
using (AnimationSampler.RangeSampler rangeSampler = animSampler.PrepareRangeSampler(asset.SampleRate, sampleRange, destinationFrameIndex, transforms))
{
rangeSampler.Schedule();
progressFeedback?.Invoke(new ProgressInfo()
{
title = $"Sample clip {clip.name}",
progress = (float)globalSegmentIndex / numSegments
});
while (!rangeSampler.IsComplete)
{
yield return(null);
if (bCancel)
{
rangeSampler.Complete();
yield break;
}
}
rangeSampler.Complete();
}
destinationFrameIndex += segment.destination.NumFrames;
}
}
}
WriteTransformsToBinary(transforms);
}
}