void OnGUI()
{
EditorGUI.BeginChangeCheck();
m_Clip = (AnimationClip)EditorGUILayout.ObjectField("Compress clip:", m_Clip, typeof(AnimationClip), false);
m_PosErr = EditorGUILayout.FloatField(new GUIContent("Position Threshold:", "raising this value could reduce more keys"), m_PosErr);
m_RotErr = EditorGUILayout.FloatField(new GUIContent("Rotation Threshold:", "raising this value could reduce more keys"), m_RotErr);
m_ScaErr = EditorGUILayout.FloatField(new GUIContent("Scale Threshold:", "raising this value could reduce more keys"), m_ScaErr);
m_FloatErr = EditorGUILayout.FloatField(new GUIContent("Float Threshold:", "raising this value could reduce more keys"), m_FloatErr);
m_Verbose = EditorGUILayout.ToggleLeft("Verbose", m_Verbose);
if (EditorGUI.EndChangeCheck())
{
}
EUtil.PushGUIEnable(m_Clip != null);
if (EUtil.Button("Execute!", "Start the work", Color.green, GUILayout.ExpandHeight(true)))
{
string newPath = EditorUtility.SaveFilePanelInProject("Save new clip", m_Clip.name + "_optimized", "anim", "Select new optimized clip save location");
if (!string.IsNullOrEmpty(newPath))
{
string oldPath = AssetDatabase.GetAssetPath(m_Clip);
if (oldPath == newPath)
{
bool bOK = EditorUtility.DisplayDialog("Are you sure?", "You're going to overwrite old animation file", "Go Ahead", "No-No");
if (bOK)
{
var comp = new AnimCompress();
comp.Verbose = m_Verbose;
comp.ReduceKeyframes(m_Clip, m_PosErr, m_RotErr, m_ScaErr, m_FloatErr);
}
}
else
{
AnimationClip newClip = AnimationClip.Instantiate(m_Clip) as AnimationClip;
if (newClip == null)
{
Dbg.LogErr("cannot load new clip at path: {0}", newPath);
return;
}
var comp = new AnimCompress();
comp.Verbose = m_Verbose;
comp.ReduceKeyframes(newClip, m_PosErr, m_RotErr, m_ScaErr, m_FloatErr);
newClip.name = Path.GetFileNameWithoutExtension(newPath);
EUtil.SaveAnimClip(newClip, newPath);
}
}
}
EUtil.PopGUIEnable();
}
// public method
#endregion "public method"
#region "private method"
// private method
private void _ConvertAnim(string newClipAssetPath)
{
// 0. prepare
if (!m_Animator.isHuman)
{
Dbg.LogWarn("MuscleClipConverterEditor._ConvertAnim: Need to change to Humanoid rig first!");
return;
}
m_SMR = m_Animator.GetComponentInChildren <SkinnedMeshRenderer>();
if (m_SMR == null)
{
Dbg.LogWarn("MuscleClipConverterEditor._ConvertAnim: failed to find SMR under {0}", m_Animator.name);
return;
}
m_Animator.Update(0);
#if !U5
var ainfos = m_Animator.GetCurrentAnimationClipState(0); //only effect after Update is called
#else
var ainfos = m_Animator.GetCurrentAnimatorClipInfo(0); //only effect after Update is called
#endif
AnimationClip clip = ainfos[0].clip;
AnimationClipSettings clipSetting = AnimationUtility.GetAnimationClipSettings(clip);
//{//debug
// var bindings = AnimationUtility.GetCurveBindings(clip);
// foreach( var b in bindings)
// {
// Dbg.Log("path: {0}, prop: {1}", b.path, b.propertyName);
// }
//}
Transform animatorTr = m_Animator.transform;
Transform hipsBone = null;
CurveDict curveDict = new CurveDict();
float SAMPLE_RATE = clip.frameRate;
float clipLen = clip.length;
Matrix4x4 animatorInitW2LMat = animatorTr.worldToLocalMatrix;
Matrix4x4 hipsInitW2LMat = Matrix4x4.identity;
List <Transform> boneLst = new List <Transform>();
for (HumanBodyBones boneIdx = 0; boneIdx < HumanBodyBones.LastBone; ++boneIdx)
{
Transform tr = m_Animator.GetBoneTransform(boneIdx);
//Dbg.Log("Map: {0}->{1}", boneIdx, tr);
if (tr != null)
{
boneLst.Add(tr);
if (boneIdx == HumanBodyBones.Hips)
{
hipsBone = tr;
hipsInitW2LMat = hipsBone.parent.worldToLocalMatrix;
//clipSetting.level = -hipsBone.localPosition.y; // set Y offset
clipSetting.keepOriginalPositionY = false; //use RootNode position
}
}
}
Transform[] bones = boneLst.ToArray();
// init curves for each bone
for (int idx = 0; idx < bones.Length; ++idx)
{
Transform oneBone = bones[idx];
string trPath = AnimationUtility.CalculateTransformPath(oneBone, animatorTr);
var curves = new _Curves();
curves.relPath = trPath;
curveDict.Add(oneBone, curves);
}
// init rootmotion curve
{
var curves = new _Curves();
curveDict.Add(animatorTr, curves);
}
AnimatorStateInfo curStateInfo = m_Animator.GetCurrentAnimatorStateInfo(0);
float nt = curStateInfo.normalizedTime;
m_Animator.Update(-nt * clipLen); //revert to 0 time
{ // 1. bake animation info into curve on all bones transform
float time = 0f;
float deltaTime = 1f / (SAMPLE_RATE);
for (;
time <= clipLen || Mathf.Approximately(time, clipLen);
)
{
//Dbg.Log("nt = {0}", m_Animator.GetCurrentAnimatorStateInfo(0).normalizedTime);
// bone
for (int idx = 0; idx < bones.Length; ++idx)
{
Transform oneBone = bones[idx];
_Curves curves = curveDict[oneBone];
if (oneBone == hipsBone)
{
continue; //skip the HipsBone. This is to add rootMotion matrix on hips, so Legacy is right
}
Vector3 pos = oneBone.localPosition;
Quaternion rot = oneBone.localRotation;
curves.X.AddKey(time, rot.x);
curves.Y.AddKey(time, rot.y);
curves.Z.AddKey(time, rot.z);
curves.W.AddKey(time, rot.w);
curves.PX.AddKey(time, pos.x);
curves.PY.AddKey(time, pos.y);
curves.PZ.AddKey(time, pos.z);
}
// root motion process
{
{ //on Animator transform
Vector3 pos = /*animatorTr.localPosition*/ animatorTr.position;
Vector3 fwd = animatorTr.forward;
Vector3 up = animatorTr.up;
_Curves rootMotionCurves = curveDict[animatorTr];
Vector3 lpos = animatorInitW2LMat.MultiplyPoint(pos);
Vector3 lfwd = animatorInitW2LMat.MultiplyVector(fwd);
Vector3 lup = animatorInitW2LMat.MultiplyVector(up);
Quaternion rot = Quaternion.LookRotation(lfwd, lup);
rootMotionCurves.X.AddKey(time, rot.x);
rootMotionCurves.Y.AddKey(time, rot.y);
rootMotionCurves.Z.AddKey(time, rot.z);
rootMotionCurves.W.AddKey(time, rot.w);
rootMotionCurves.PX.AddKey(time, lpos.x);
rootMotionCurves.PY.AddKey(time, lpos.y);
rootMotionCurves.PZ.AddKey(time, lpos.z);
}
{ //on hips transform
if (hipsBone != null)
{
Vector3 pos = hipsBone.position;
Vector3 fwd = hipsBone.forward;
Vector3 up = hipsBone.up;
_Curves hipsCurves = curveDict[hipsBone];
Vector3 lpos = hipsInitW2LMat.MultiplyPoint(pos);
Vector3 lfwd = hipsInitW2LMat.MultiplyVector(fwd);
Vector3 lup = hipsInitW2LMat.MultiplyVector(up);
//Dbg.Log("time: {0}, lpos: {1}", time, lpos.ToString("F2"));
Quaternion rot = Quaternion.LookRotation(lfwd, lup);
hipsCurves.X.AddKey(time, rot.x);
hipsCurves.Y.AddKey(time, rot.y);
hipsCurves.Z.AddKey(time, rot.z);
hipsCurves.W.AddKey(time, rot.w);
hipsCurves.PX.AddKey(time, lpos.x);
hipsCurves.PY.AddKey(time, lpos.y);
hipsCurves.PZ.AddKey(time, lpos.z);
}
}
}
if (!Mathf.Approximately(time + deltaTime, clipLen))
{
m_Animator.Update(deltaTime);
time += deltaTime;
}
else
{
m_Animator.Update(deltaTime - 0.005f); //keep it in the range, if go beyond, something bad could happen
time += deltaTime - 0.005f;
}
}
} //end of 1.
{ // 2. set animation clip and store in AssetDatabase
AnimationClip newClip = new AnimationClip();
newClip.frameRate = SAMPLE_RATE;
newClip.localBounds = clip.localBounds;
// set bone curves
for (var ie = curveDict.GetEnumerator(); ie.MoveNext();)
{
var curves = ie.Current.Value;
if (ie.Current.Key == animatorTr)
{ //root motion
newClip.SetCurve(curves.relPath, typeof(Animator), "MotionT.x", curves.PX);
newClip.SetCurve(curves.relPath, typeof(Animator), "MotionT.y", curves.PY);
newClip.SetCurve(curves.relPath, typeof(Animator), "MotionT.z", curves.PZ);
newClip.SetCurve(curves.relPath, typeof(Animator), "MotionQ.x", curves.X);
newClip.SetCurve(curves.relPath, typeof(Animator), "MotionQ.y", curves.Y);
newClip.SetCurve(curves.relPath, typeof(Animator), "MotionQ.z", curves.Z);
newClip.SetCurve(curves.relPath, typeof(Animator), "MotionQ.w", curves.W);
}
else
{
newClip.SetCurve(curves.relPath, typeof(Transform), "localRotation.x", curves.X);
newClip.SetCurve(curves.relPath, typeof(Transform), "localRotation.y", curves.Y);
newClip.SetCurve(curves.relPath, typeof(Transform), "localRotation.z", curves.Z);
newClip.SetCurve(curves.relPath, typeof(Transform), "localRotation.w", curves.W);
newClip.SetCurve(curves.relPath, typeof(Transform), "localPosition.x", curves.PX);
newClip.SetCurve(curves.relPath, typeof(Transform), "localPosition.y", curves.PY);
newClip.SetCurve(curves.relPath, typeof(Transform), "localPosition.z", curves.PZ);
}
}
// 2.1 copy the unmapped curves to new clip( not mapped by Muscle clip )
_CopyOtherCurves(newClip, clip);
// some setting work
newClip.EnsureQuaternionContinuity();
#if !U5
AnimationUtility.SetAnimationType(newClip, m_AnimType);
RCall.CallMtd("UnityEditor.AnimationUtility", "SetAnimationClipSettings", null, newClip, clipSetting);
#else
if (m_AnimType == ModelImporterAnimationType.Legacy)
{
newClip.legacy = true;
}
AnimationUtility.SetAnimationClipSettings(newClip, clipSetting);
#endif
EUtil.SaveAnimClip(newClip, newClipAssetPath);
EUtil.ShowNotification("Converted to: " + m_AnimType +
(hipsBone != null ? ("\nroot=" + AnimationUtility.CalculateTransformPath(hipsBone, animatorTr)) : ""),
3f
);
} //end of 2.
// 3. clean job
curveDict = null;
AssetDatabase.SaveAssets();
Dbg.Log("Converted: {0}", newClipAssetPath);
}