public override Playable CreateTrackMixer(PlayableGraph graph, GameObject go, int inputCount)
{
if (_mTrackBinding == null)
{
BlendShapeController trackBinding = go.GetComponent <PlayableDirector>().GetGenericBinding(this) as BlendShapeController;
_mTrackBinding = trackBinding;
}
//iterator for all currently existing clips
IEnumerable <TimelineClip> clips = GetClips();
//check if track binding has been set
if (_mTrackBinding != null)
{
List <string> clipGuids = new List <string>();
//check each clip
foreach (var item in clips)
{
//rename clip if not customized by user
if (item.displayName == "BlendShapeControlClip")
{
item.displayName = _mTrackBinding.transform.root.name + " " + _mTrackBinding.name;
}
//get blendShapeControlClip encapulated in TimelineClip
BlendShapeControlClip blendShapeControlClip = item.asset as BlendShapeControlClip;
//get BlendShapeControlBehaviour encapulated in BlendShapeControlClip
BlendShapeControlBehaviour blendShapeControlBehaviour = blendShapeControlClip.template;
//check just in case there aren't any blendshapes on the attached controller
if (_mTrackBinding.blendShapeTargets.Length > 0)
{
//update blendShapeTargets from _mTrackBinding to BlendShapeController
clipGuids.Add(blendShapeControlBehaviour.LoadBlendShapeTargets(_mTrackBinding.blendShapeTargets, clipGuids));
}
//this is just informational so the inmspector will make it clear what object is being edited
blendShapeControlBehaviour.name = _mTrackBinding.transform.root.name + " " + _mTrackBinding.name;
}
}
return(ScriptPlayable <BlendShapeControlMixerBehaviour> .Create(graph, inputCount));
}
public override void ProcessFrame(Playable playable, FrameData info, object playerData)
{
// Debug.Log(" Mixer ProcessFrame");
m_TrackBinding = playerData as BlendShapeController;
if (m_TrackBinding == null)
{
return;
}
if (!m_FirstFrameHappened)
{
m_FirstFrameHappened = true;
if (m_TrackBinding.blendShapeTargets != null && m_TrackBinding.blendShapeTargets.Length > 0)
{
blendShapeDefaults = new float[m_TrackBinding.blendShapeTargets.Length];
for (int i = 0; i < m_TrackBinding.blendShapeTargets.Length; i++)
{
blendShapeDefaults[i] = m_TrackBinding.blendShapeTargets[i].BlendShapeDefaultValue;
}
}
}
int inputCount = playable.GetInputCount();
float[] blendShapeWeights = new float[m_TrackBinding.blendShapeTargets.Length];
float totalWeight = 0f;
float greatestWeight = 0f;
int currentInputs = 0;
for (int i = 0; i < inputCount; i++)
{
float inputWeight = playable.GetInputWeight(i);
ScriptPlayable <BlendShapeControlBehaviour> inputPlayable = (ScriptPlayable <BlendShapeControlBehaviour>)playable.GetInput(i);
BlendShapeControlBehaviour input = inputPlayable.GetBehaviour();
if (blendShapeWeights.Length > 0 && input.blendShapeKeys != null && input.blendShapeKeys.Length == blendShapeWeights.Length)
{
for (int j = 0; j < blendShapeWeights.Length; j++)
{
blendShapeWeights[j] += input.blendShapeKeys[j].BlendShapeValue * inputWeight;
}
}
totalWeight += inputWeight;
if (inputWeight > greatestWeight)
{
greatestWeight = inputWeight;
}
if (!Mathf.Approximately(inputWeight, 0f))
{
currentInputs++;
}
}
float remainingweight = 1 - totalWeight;
for (int i = 0; i < blendShapeWeights.Length; i++)
{
blendShapeWeights[i] += blendShapeDefaults[i] * remainingweight;
}
m_TrackBinding.SetBlendShapeValues(blendShapeWeights);
}
