private static void ProcessAnimation(AnimationClip clip, MouthModel mouthModel, Transform animationRoot, Transform jawRoot)
{
var bindings = AnimationUtility.GetCurveBindings(clip);
var uBinding = bindings.FirstOrDefault(binding => binding.propertyName == "material._MainTex_mouth_ST.z");
var vBinding = bindings.FirstOrDefault(binding => binding.propertyName == "material._MainTex_mouth_ST.w");
if (uBinding.path == null || vBinding.path == null)
{
Debug.LogWarning("Couldn't find animation binding for clip " + clip.name);
return;
}
var uCurve = AnimationUtility.GetEditorCurve(clip, uBinding);
var vCurve = AnimationUtility.GetEditorCurve(clip, vBinding);
var snapshotsAtPath = new Dictionary<string, AnimationSnapshotData>();
for (int i = 0; i < uCurve.keys.Length; i++)
{
// We can assume that that the curves for the U and V value have the same keyframes
Vector2 uvValue = new Vector2(uCurve.keys[i].value, vCurve.keys[i].value);
mouthModel.CurrentPoseIndex = RtdxTextureToMouthType.ContainsKey(uvValue) ? RtdxTextureToMouthType[uvValue] : 0;
TraverseRig(jawRoot, snapshotsAtPath, GetRelativePath(jawRoot, animationRoot), uCurve.keys[i].time);
}
foreach (var snapshot in snapshotsAtPath)
{
snapshot.Value.ApplyToClip(clip);
clip.EnsureQuaternionContinuity();
}
AnimationHelpers.SetAnimationTangentsToConstant(clip);
}
public static void CreateSkeletalMouthAnimationsFromTextureAnimations(List<AnimationClip> textureAnimations,
MouthModel mouthModel, Transform animationRoot)
{
var jawRoot = animationRoot.FindDeepChild("RootJaw");
if (jawRoot == null)
{
Debug.LogError("Couldn't create mouth animation since RootJaw bone is missing.");
return;
}
foreach (var textureAnimation in textureAnimations)
{
ProcessAnimation(textureAnimation, mouthModel, animationRoot, jawRoot);
}
}
