static void ParseRotateTimeline (Skeleton skeleton, RotateTimeline timeline, AnimationClip clip) {
var boneData = skeleton.Data.Bones[timeline.BoneIndex];
var bone = skeleton.Bones[timeline.BoneIndex];
AnimationCurve curve = new AnimationCurve();
float endTime = timeline.Frames[(timeline.FrameCount * 2) - 2];
float currentTime = timeline.Frames[0];
List<Keyframe> keys = new List<Keyframe>();
float rotation = timeline.Frames[1] + boneData.Rotation;
keys.Add(new Keyframe(timeline.Frames[0], rotation, 0, 0));
int listIndex = 1;
int frameIndex = 1;
int f = 2;
float[] frames = timeline.Frames;
skeleton.SetToSetupPose();
float lastTime = 0;
float angle = rotation;
while (currentTime < endTime) {
int pIndex = listIndex - 1;
float curveType = timeline.GetCurveType(frameIndex - 1);
if (curveType == 0) {
//linear
Keyframe pk = keys[pIndex];
float time = frames[f];
rotation = frames[f + 1] + boneData.Rotation;
angle += Mathf.DeltaAngle(angle, rotation);
float r = angle;
float rOut = (r - pk.value) / (time - pk.time);
pk.outTangent = rOut;
keys.Add(new Keyframe(time, r, rOut, 0));
keys[pIndex] = pk;
currentTime = time;
timeline.Apply(skeleton, lastTime, currentTime, null, 1);
lastTime = time;
listIndex++;
} else if (curveType == 1) {
//stepped
Keyframe pk = keys[pIndex];
float time = frames[f];
rotation = frames[f + 1] + boneData.Rotation;
angle += Mathf.DeltaAngle(angle, rotation);
float r = angle;
float rOut = float.PositiveInfinity;
pk.outTangent = rOut;
keys.Add(new Keyframe(time, r, rOut, 0));
keys[pIndex] = pk;
currentTime = time;
timeline.Apply(skeleton, lastTime, currentTime, null, 1);
lastTime = time;
listIndex++;
} else if (curveType == 2) {
//bezier
Keyframe pk = keys[pIndex];
float time = frames[f];
timeline.Apply(skeleton, lastTime, currentTime, null, 1);
skeleton.UpdateWorldTransform();
rotation = frames[f + 1] + boneData.Rotation;
angle += Mathf.DeltaAngle(angle, rotation);
float r = angle;
int steps = Mathf.FloorToInt((time - pk.time) / bakeIncrement);
for (int i = 1; i <= steps; i++) {
currentTime += bakeIncrement;
if (i == steps)
currentTime = time;
timeline.Apply(skeleton, lastTime, currentTime, null, 1);
skeleton.UpdateWorldTransform();
pk = keys[listIndex - 1];
rotation = bone.Rotation;
angle += Mathf.DeltaAngle(angle, rotation);
r = angle;
float rOut = (r - pk.value) / (currentTime - pk.time);
pk.outTangent = rOut;
keys.Add(new Keyframe(currentTime, r, rOut, 0));
keys[listIndex - 1] = pk;
listIndex++;
lastTime = currentTime;
}
}
frameIndex++;
f += 2;
}
curve = EnsureCurveKeyCount(new AnimationCurve(keys.ToArray()));
string path = GetPath(boneData);
string propertyName = "localEulerAnglesBaked";
EditorCurveBinding xBind = EditorCurveBinding.FloatCurve(path, typeof(Transform), propertyName + ".x");
AnimationUtility.SetEditorCurve(clip, xBind, new AnimationCurve());
EditorCurveBinding yBind = EditorCurveBinding.FloatCurve(path, typeof(Transform), propertyName + ".y");
AnimationUtility.SetEditorCurve(clip, yBind, new AnimationCurve());
EditorCurveBinding zBind = EditorCurveBinding.FloatCurve(path, typeof(Transform), propertyName + ".z");
AnimationUtility.SetEditorCurve(clip, zBind, curve);
}
