private void DisplayPoseOnModel(BSFacePose pose)
{
if (MeshRenderer == null)
{
return;
}
int modelBlendshapesCount = MeshRenderer.sharedMesh.blendShapeCount;
for (int i = 0; i < modelBlendshapesCount; i++)
{
IEnumerable <BSBlendshape> correspondingPoseBlendshapes = pose.Blendshapes.Where(curr => curr.Index == i);
int actualCount = correspondingPoseBlendshapes.Count();
// If there is at least one pose
if (actualCount != 0)
{
// If there are several poses, it's a problem: signal it
if (actualCount > 1)
{
Debug.LogError("DANGER: several blendshapes are defined in your pose with the same index. The first in the list will be used.");
}
BSBlendshape firstBlendshape = correspondingPoseBlendshapes.First();
MeshRenderer.SetBlendShapeWeight(i, firstBlendshape.Value);
}
// Otherwise there is no pose
else
{
MeshRenderer.SetBlendShapeWeight(i, 0);
}
}
}
public void Awake()
{
CurrentPose = SilencePose;
lastEmotion = CurrentEmotion;
currentLipsyncOnly = SilencePose;
currentEmotionOnly = CurrentCompleteEmotionPose;
}
private IEnumerator BlendEmotionsCoroutine(BSFacePose start, BSFacePose target)
{
TargetEmotionPose = target;
for (float i = 0; i < EmotionBlendingTime; i += BlendingStep)
{
currentEmotionOnly = BSFacePose.Lerp(start, target, i / (EmotionBlendingTime));
CurrentPose = MixLipSyncAndEmotion(currentLipsyncOnly, currentEmotionOnly);
DisplayPoseOnModel(CurrentPose);
yield return(new WaitForSeconds(BlendingStep));
}
}
public void SetEmotionPose(Emotion emotion, BSFacePose pose)
{
if (EmotionPoses.Where(lPose => lPose.AssociatedEmotion == emotion).Count() > 0)
{
EmotionPoses.Where(lPose => lPose.AssociatedEmotion == emotion).First().Pose = pose;
}
else
{
EmotionPoses.Add(new BSLabelledEmotionPose()
{
AssociatedEmotion = emotion,
Pose = pose
});
}
}
private IEnumerator BlendLipSyncCoroutine(BSFacePose one, BSFacePose two)
{
BlendingLipSync = true;
TargetLipSyncPose = two;
for (float i = 0; i < BlendingTime; i += BlendingStep)
{
currentLipsyncOnly = BSFacePose.Lerp(one, two, i / BlendingTime);
CurrentPose = MixLipSyncAndEmotion(currentLipsyncOnly, currentEmotionOnly);
DisplayPoseOnModel(CurrentPose);
yield return(new WaitForSeconds(BlendingStep));
}
TargetLipSyncPose = null;
currentLipsyncOnly = two;
CurrentPose = MixLipSyncAndEmotion(two, CurrentCompleteEmotionPose);
DisplayPoseOnModel(CurrentPose);
BlendingLipSync = false;
}
public static BSFacePose LerpEmotion(BSFacePose lipSync, BSFacePose emotion, float t)
{
if (lipSync == null && emotion != null)
{
return(emotion);
}
else if (emotion == null && lipSync != null)
{
return(lipSync);
}
else if (emotion == null && lipSync == null)
{
throw new Exception("Can't lerp the poses: they are both null.");
}
BSFacePose result = new BSFacePose()
{
Blendshapes = new List <BSBlendshape>()
};
Dictionary <int, float> lipsyncPoses = new Dictionary <int, float>();
foreach (BSBlendshape lsBlendshape in lipSync.Blendshapes)
{
lipsyncPoses.Add(lsBlendshape.Index, lsBlendshape.Value);
}
foreach (BSBlendshape emBlendshape in emotion.Blendshapes)
{
if (lipsyncPoses.ContainsKey(emBlendshape.Index))
{
//lipsyncPoses[emBlendshape.Index] = Mathf.Lerp(lipsyncPoses[emBlendshape.Index], emBlendshape.Value, t);
result.Blendshapes.Add(new BSBlendshape()
{
Index = emBlendshape.Index,
Value = Mathf.Lerp(lipsyncPoses[emBlendshape.Index], emBlendshape.Value, t)
});
lipsyncPoses.Remove(emBlendshape.Index);
}
else
{
result.Blendshapes.Add(new BSBlendshape()
{
Index = emBlendshape.Index,
Value = emBlendshape.Value
});
}
}
// For each lipsync blendshape that has not been blended with an emotion, just add it
foreach (KeyValuePair <int, float> kvp in lipsyncPoses)
{
result.Blendshapes.Add(new BSBlendshape()
{
Index = kvp.Key,
Value = kvp.Value
});
}
lipsyncPoses.Clear();
return(result);
}
public static BSFacePose Lerp(BSFacePose one, BSFacePose two, float t)
{
if (one == null && two != null)
{
return(two);
}
else if (two == null && one != null)
{
return(one);
}
else if (two == null && one == null)
{
throw new Exception("Can't lerp the poses: they are both null.");
}
BSFacePose result = new BSFacePose()
{
Blendshapes = new List <BSBlendshape>()
};
// Map the poses
Dictionary <int, ValuePair> map = new Dictionary <int, ValuePair>();
foreach (BSBlendshape bsOne in one.Blendshapes)
{
map.Add(bsOne.Index, new ValuePair()
{
PoseOne = bsOne.Value,
PoseTwo = 0
});
}
foreach (BSBlendshape bsTwo in two.Blendshapes)
{
if (map.ContainsKey(bsTwo.Index))
{
map[bsTwo.Index].PoseTwo = bsTwo.Value;
}
else
{
map.Add(bsTwo.Index, new ValuePair()
{
PoseOne = 0,
PoseTwo = bsTwo.Value
});
}
}
foreach (var entry in map.ToList())
{
int index = entry.Key;
float valueOne = entry.Value.PoseOne;
float valueTwo = entry.Value.PoseTwo;
float finalValue = Mathf.Lerp(valueOne, valueTwo, t);
result.Blendshapes.Add(new BSBlendshape()
{
Index = index,
Value = finalValue
});
}
//Debug.Log(sb.ToString());
return(result);
}
private BSFacePose MixLipSyncAndEmotion(BSFacePose lipSync, BSFacePose emotion)
{
return(BSFacePose.LerpEmotion(lipSync, emotion, EmotionIntensity));
}