/// <summary>
/// 【SDK3】<see cref="BlendShapePreset.Blink"/>を変換し、視線追従を有効化します。
/// </summary>
/// <param name="avatar"></param>
/// <param name="clips"></param>
/// <param name="useShapeKeyNormalsAndTangents"/>
private static void EnableEyeLook(
GameObject avatar,
IEnumerable <VRMBlendShapeClip> clips,
bool useShapeKeyNormalsAndTangents
)
{
VRMBlendShapeClip clip = clips.FirstOrDefault(c => c.Preset == BlendShapePreset.Blink);
var lookAtBoneApplyer = avatar.GetComponent <VRMLookAtBoneApplyer>();
if (!clip && !lookAtBoneApplyer)
{
return;
}
var renderer = avatar.transform.Find(VRChatUtility.AutoBlinkMeshPath).GetComponent <SkinnedMeshRenderer>();
var mesh = renderer.sharedMesh;
if (clip)
{
mesh.AddBlendShapeFrame(
BlendShapeReplacer.BlinkShapeKeyName,
1,
BlendShapeReplacer.GenerateShapeKey(
clip.ShapeKeyValues,
BlendShapeReplacer.GetAllShapeKeys(mesh, useShapeKeyNormalsAndTangents)
),
null,
null
);
EditorUtility.SetDirty(mesh);
}
#if VRC_SDK_VRCSDK3
var descriptor = avatar.GetComponent <VRCAvatarDescriptor>();
descriptor.enableEyeLook = true;
var settings = new VRCAvatarDescriptor.CustomEyeLookSettings();
if (clip)
{
settings.eyelidType = VRCAvatarDescriptor.EyelidType.Blendshapes;
settings.eyelidsSkinnedMesh = renderer;
settings.eyelidsBlendshapes = new[] { mesh.blendShapeCount - 1, -1, -1 };
}
if (lookAtBoneApplyer)
{
settings.eyeMovement = new VRCAvatarDescriptor.CustomEyeLookSettings.EyeMovements()
{
excitement = 0.5f,
confidence = 0,
};
settings.leftEye = lookAtBoneApplyer.LeftEye.Transform;
settings.rightEye = lookAtBoneApplyer.RightEye.Transform;
settings.eyesLookingUp = new VRCAvatarDescriptor.CustomEyeLookSettings.EyeRotations()
{
left = Quaternion.Euler(x: -lookAtBoneApplyer.VerticalUp.CurveYRangeDegree, 0, 0),
right = Quaternion.Euler(x: -lookAtBoneApplyer.VerticalUp.CurveYRangeDegree, 0, 0),
};
settings.eyesLookingDown = new VRCAvatarDescriptor.CustomEyeLookSettings.EyeRotations()
{
left = Quaternion.Euler(x: lookAtBoneApplyer.VerticalUp.CurveYRangeDegree, 0, 0),
right = Quaternion.Euler(x: lookAtBoneApplyer.VerticalUp.CurveYRangeDegree, 0, 0),
};
settings.eyesLookingLeft = new VRCAvatarDescriptor.CustomEyeLookSettings.EyeRotations()
{
left = Quaternion.Euler(0, y: -lookAtBoneApplyer.HorizontalOuter.CurveYRangeDegree, 0),
right = Quaternion.Euler(0, y: -lookAtBoneApplyer.HorizontalInner.CurveYRangeDegree, 0),
};
settings.eyesLookingRight = new VRCAvatarDescriptor.CustomEyeLookSettings.EyeRotations()
{
left = Quaternion.Euler(0, y: lookAtBoneApplyer.HorizontalInner.CurveYRangeDegree, 0),
right = Quaternion.Euler(0, y: lookAtBoneApplyer.HorizontalOuter.CurveYRangeDegree, 0),
};
}
descriptor.customEyeLookSettings = settings;
#endif
}
/// <summary>
/// Animatorコンポーネントを使用せずに、<see cref="BlendShapePreset.Neutral"/>、および<see cref="BlendShapePreset.Blink"/>を変換します。
/// </summary>
/// <remarks>
/// <see cref="BlendShapePreset.Blink"/>が関連付けられたメッシュが見つからない、またはそのメッシュに
/// <see cref="BlendShapeReplacer.OrderedBlinkGeneratedByCatsBlenderPlugin"/>がそろっていれば何もしません。
/// それらのキーが存在せず、<see cref="BlendShapePreset.Blink_L"/>、<see cref="BlendShapePreset.Blink_R"/>がいずれも設定されていればそれを優先します。
/// </remarks>
/// <param name="avatar"></param>
/// <param name="clips"></param>
/// <param name="useShapeKeyNormalsAndTangents"></param>
private static void SetBlinkWithoutAnimator(
GameObject avatar,
IEnumerable <VRMBlendShapeClip> clips,
bool useShapeKeyNormalsAndTangents
)
{
var renderer = avatar.transform.Find(VRChatUtility.AutoBlinkMeshPath).GetComponent <SkinnedMeshRenderer>();
Mesh mesh = renderer.sharedMesh;
if (BlendShapeReplacer.GetBlendShapeNames(mesh: mesh)
.Take(BlendShapeReplacer.OrderedBlinkGeneratedByCatsBlenderPlugin.Count())
.SequenceEqual(BlendShapeReplacer.OrderedBlinkGeneratedByCatsBlenderPlugin))
{
return;
}
IEnumerable <BlendShape> shapeKeys = BlendShapeReplacer.GetAllShapeKeys(mesh, useShapeKeyNormalsAndTangents);
mesh.ClearBlendShapes();
var dummyShapeKeyNames = new List <string>();
if (clips.FirstOrDefault(c => c.Preset == BlendShapePreset.Blink_L) &&
clips.FirstOrDefault(c => c.Preset == BlendShapePreset.Blink_R))
{
mesh.AddBlendShapeFrame(
BlendShapeReplacer.OrderedBlinkGeneratedByCatsBlenderPlugin.ElementAt(0),
BlendShapeReplacer.MaxBlendShapeFrameWeight,
BlendShapeReplacer.GenerateShapeKey(
namesAndWeights: clips.First(c => c.Preset == BlendShapePreset.Blink_L).ShapeKeyValues,
shapeKeys: shapeKeys
),
null,
null
);
mesh.AddBlendShapeFrame(
BlendShapeReplacer.OrderedBlinkGeneratedByCatsBlenderPlugin.ElementAt(1),
BlendShapeReplacer.MaxBlendShapeFrameWeight,
BlendShapeReplacer.GenerateShapeKey(
namesAndWeights: clips.First(c => c.Preset == BlendShapePreset.Blink_R).ShapeKeyValues,
shapeKeys: shapeKeys
),
null,
null
);
}
else
{
mesh.AddBlendShapeFrame(
BlendShapeReplacer.OrderedBlinkGeneratedByCatsBlenderPlugin.ElementAt(0),
BlendShapeReplacer.MaxBlendShapeFrameWeight,
BlendShapeReplacer.GenerateShapeKey(
namesAndWeights: clips.First(c => c.Preset == BlendShapePreset.Blink).ShapeKeyValues,
shapeKeys: shapeKeys
),
null,
null
);
dummyShapeKeyNames.Add(BlendShapeReplacer.OrderedBlinkGeneratedByCatsBlenderPlugin.ElementAt(1));
}
dummyShapeKeyNames.AddRange(BlendShapeReplacer.OrderedBlinkGeneratedByCatsBlenderPlugin.Skip(2));
foreach (string name in dummyShapeKeyNames)
{
BlendShapeReplacer.AddDummyShapeKey(mesh: mesh, name: name);
}
foreach (BlendShape shapeKey in shapeKeys)
{
if (BlendShapeReplacer.OrderedBlinkGeneratedByCatsBlenderPlugin.Contains(shapeKey.Name))
{
continue;
}
mesh.AddBlendShapeFrame(
shapeKey.Name,
BlendShapeReplacer.MaxBlendShapeFrameWeight,
shapeKey.Positions.ToArray(),
shapeKey.Normals.ToArray(),
shapeKey.Tangents.ToArray()
);
}
EditorUtility.SetDirty(mesh);
}
