private IEnumerable ExtractFramesWithFpsTechnique(MotionAnimationClip clip, FreeControllerAnimationTarget target, FreeControllerV3 ctrl)
{
var minPositionDistanceForFlat = 0.01f;
var batchStopwatch = Stopwatch.StartNew();
var containingAtom = plugin.containingAtom;
var frameLength = 1f / _reduceMaxFramesPerSecondJSON.val;
var lastRecordedFrame = float.MinValue;
MotionAnimationStep previousStep = null;
for (var stepIndex = 0; stepIndex < (clip.steps.Count - (current.loop ? 1 : 0)); stepIndex++)
{
try
{
var step = clip.steps[stepIndex];
var time = step.timeStep.Snap(0.01f);
if (time - lastRecordedFrame < frameLength)
{
continue;
}
var k = ControllerKeyframe.FromStep(time, step, containingAtom, ctrl);
target.SetKeyframe(time, k.position, k.rotation);
if (previousStep != null && (target.controller.name == "lFootControl" || target.controller.name == "rFootControl") && Vector3.Distance(previousStep.position, step.position) <= minPositionDistanceForFlat)
{
KeyframeSettings settings;
if (target.settings.TryGetValue(previousStep.timeStep.Snap().ToMilliseconds(), out settings))
{
target.ChangeCurve(previousStep.timeStep, CurveTypeValues.Linear);
}
}
lastRecordedFrame = time;
previousStep = step;
}
catch (Exception exc)
{
SuperController.LogError($"VamTimeline.{nameof(MocapScreen)}.{nameof(ImportRecordedCoroutine)}[Step]: {exc}");
yield break;
}
if (batchStopwatch.ElapsedMilliseconds > 5)
{
batchStopwatch.Reset();
yield return(0);
batchStopwatch.Start();
}
}
}
protected IEnumerable ProcessController(MotionAnimationClip motClip, FreeControllerAnimationTarget target, FreeControllerV3 ctrl)
{
var frameLength = 0.001f;
var lastRecordedFrame = float.MinValue;
// Vector3? previousPosition = null;
// var previousTime = 0f;
for (var stepIndex = 0; stepIndex < motClip.steps.Count - (clip.loop ? 1 : 0); stepIndex++)
{
var step = motClip.steps[stepIndex];
var time = step.timeStep.Snap(0.01f);
if (time - lastRecordedFrame < frameLength)
{
continue;
}
if (time > clip.animationLength)
{
break;
}
if (Mathf.Abs(time - clip.animationLength) < 0.001f)
{
time = clip.animationLength;
}
var k = ControllerKeyframe.FromStep(time, step, ctrl);
target.SetKeyframe(time, k.position, k.rotation, CurveTypeValues.SmoothLocal);
// SuperController.LogMessage($"{k.position.x:0.0000}, {k.position.y:0.0000},{k.position.z:0.0000}");
// if (previousPosition.HasValue && (target.controller.name == "lFootControl" || target.controller.name == "rFootControl") && Vector3.Distance(previousPosition.Value, step.position) <= minPositionDistanceForFlat)
// {
// target.ChangeCurve(previousTime, CurveTypeValues.Linear);
// }
lastRecordedFrame = time;
// previousPosition = step.position;
// previousTime = time;
}
target.AddEdgeFramesIfMissing(clip.animationLength);
yield break;
}
private IEnumerable ExtractFramesWithReductionTechnique(MotionAnimationClip clip, FreeControllerAnimationTarget target, FreeControllerV3 ctrl)
{
var minFrameDistance = 1f / _reduceMaxFramesPerSecondJSON.val;
var maxIterations = (int)(clip.clipLength * 10);
var containingAtom = plugin.containingAtom;
var steps = clip.steps
.Where(s => s.positionOn || s.rotationOn)
.GroupBy(s => s.timeStep.Snap(minFrameDistance).ToMilliseconds())
.Select(g =>
{
var step = g.OrderBy(s => Math.Abs(g.Key - s.timeStep)).First();
return(ControllerKeyframe.FromStep((g.Key / 1000f).Snap(), step, containingAtom, ctrl));
})
.ToList();
if (steps.Count < 2)
{
yield break;
}
target.SetKeyframe(0, steps[0].position, steps[0].rotation);
target.SetKeyframe(current.animationLength, steps[steps.Count - 1].position, steps[steps.Count - 1].rotation);
var buckets = new List <ReducerBucket>
{
Scan(steps, target, 1, steps.Count - 2)
};
for (var iteration = 0; iteration < maxIterations; iteration++)
{
// Scan for largest difference with curve
var bucketWithLargestPositionDistance = -1;
var keyWithLargestPositionDistance = -1;
var largestPositionDistance = 0f;
var bucketWithLargestRotationAngle = -1;
var keyWithLargestRotationAngle = -1;
var largestRotationAngle = 0f;
for (var bucketIndex = 0; bucketIndex < buckets.Count; bucketIndex++)
{
var bucket = buckets[bucketIndex];
if (bucket.largestPositionDistance > largestPositionDistance)
{
largestPositionDistance = bucket.largestPositionDistance;
keyWithLargestPositionDistance = bucket.keyWithLargestPositionDistance;
bucketWithLargestPositionDistance = bucketIndex;
}
if (bucket.largestRotationAngle > largestRotationAngle)
{
largestRotationAngle = bucket.largestRotationAngle;
keyWithLargestRotationAngle = bucket.keyWithLargestRotationAngle;
bucketWithLargestRotationAngle = bucketIndex;
}
}
// Cannot find large enough diffs, exit
if (keyWithLargestRotationAngle == -1 || keyWithLargestPositionDistance == -1)
{
break;
}
var posInRange = largestPositionDistance >= _reduceMinPosDistanceJSON.val;
var rotInRange = largestRotationAngle >= _reduceMinRotationJSON.val;
if (!posInRange && !rotInRange)
{
break;
}
// This is an attempt to compare translations and rotations
var normalizedPositionDistance = largestPositionDistance / 0.4f;
var normalizedRotationAngle = largestRotationAngle / 180f;
var selectPosOverRot = (normalizedPositionDistance > normalizedRotationAngle) && posInRange;
var keyToApply = selectPosOverRot ? keyWithLargestPositionDistance : keyWithLargestRotationAngle;
var step = steps[keyToApply];
var key = target.SetKeyframe(step.time, step.position, step.rotation);
target.SmoothNeighbors(key);
int bucketToSplitIndex;
if (selectPosOverRot)
{
bucketToSplitIndex = bucketWithLargestPositionDistance;
}
else
{
bucketToSplitIndex = bucketWithLargestRotationAngle;
}
if (bucketToSplitIndex > -1)
{
// Split buckets and exclude the scanned keyframe, we never have to scan it again.
var bucketToSplit = buckets[bucketToSplitIndex];
buckets.RemoveAt(bucketToSplitIndex);
if (bucketToSplit.to - keyToApply + 1 > 2)
{
buckets.Insert(bucketToSplitIndex, Scan(steps, target, keyToApply + 1, bucketToSplit.to));
}
if (keyToApply - 1 - bucketToSplit.from > 2)
{
buckets.Insert(bucketToSplitIndex, Scan(steps, target, bucketToSplit.from, keyToApply - 1));
}
}
yield return(0);
}
}
