/// <summary>
/// コピー元のアバターのBlendShapeBindingを基に、コピー先のアバターのBlendShapeBindingを生成します。
/// </summary>
/// <param name="sourceBinding"></param>
/// <param name="source"></param>
/// <param name="destination"></param>
/// <returns></returns>
private static BlendShapeBinding CopyBlendShapeBinding(
BlendShapeBinding binding,
GameObject source,
GameObject destination
)
{
var sourceMesh = CopyVRMBlendShapes.GetMesh(binding, source);
if (!sourceMesh)
{
return(binding);
}
var shapeKeyName = sourceMesh.GetBlendShapeName(binding.Index);
var destinationMesh = CopyVRMBlendShapes.GetMesh(binding.RelativePath, destination);
if (destinationMesh)
{
var index = destinationMesh.GetBlendShapeIndex(shapeKeyName);
if (index != -1)
{
binding.Index = index;
return(binding);
}
}
return(CopyVRMBlendShapes.FindShapeKey(binding, shapeKeyName, destination));
}
/// <summary>
/// コピー元のアバターのBlendShapeClipを基に、コピー先のアバターのBlendShapeClipを書き替えます。
/// </summary>
/// <param name="sourceClip"></param>
/// <param name="source"></param>
/// <param name="destination"></param>
private static void CopyBlendShapeClip(BlendShapeClip sourceClip, GameObject source, GameObject destination)
{
var destinationBlendShapeAvatar = destination.GetComponent <VRMBlendShapeProxy>().BlendShapeAvatar;
var destinationClip = sourceClip.Preset != BlendShapePreset.Unknown
? destinationBlendShapeAvatar.GetClip(sourceClip.Preset)
: destinationBlendShapeAvatar.GetClip(sourceClip.BlendShapeName);
if (sourceClip == destinationClip)
{
return;
}
if (!destinationClip)
{
destinationClip = BlendShapeAvatar.CreateBlendShapeClip(
UnityPath.FromAsset(destinationBlendShapeAvatar)
.Parent.Child(Path.GetFileName(AssetDatabase.GetAssetPath(sourceClip))).Value
);
destinationBlendShapeAvatar.Clips.Add(destinationClip);
EditorUtility.SetDirty(destinationBlendShapeAvatar);
}
destinationClip.Values = sourceClip.Values
.Select(binding => CopyVRMBlendShapes.CopyBlendShapeBinding(binding, source, destination)).ToArray();
destinationClip.MaterialValues = sourceClip.MaterialValues.ToArray();
EditorUtility.SetDirty(destinationClip);
}
/// <summary>
/// BlendShapeBindingに対応するメッシュを返します。
/// </summary>
/// <param name="binding"></param>
/// <param name="avatar"></param>
/// <returns></returns>
private static Mesh GetMesh(BlendShapeBinding binding, GameObject avatar)
{
var mesh = CopyVRMBlendShapes.GetMesh(binding.RelativePath, avatar);
if (!mesh || binding.Index > mesh.blendShapeCount)
{
return(null);
}
return(mesh);
}
/// <summary>
/// VRMBlendShapeをコピーします。
/// </summary>
/// <param name="source"></param>
/// <param name="destination"></param>
internal static void Copy(GameObject source, GameObject destination)
{
var sourceBlendShapeAvatar = source.GetComponent <VRMBlendShapeProxy>().BlendShapeAvatar;
var destinationBlendShapeAvatar = destination.GetComponent <VRMBlendShapeProxy>().BlendShapeAvatar;
if (sourceBlendShapeAvatar == destinationBlendShapeAvatar)
{
return;
}
foreach (var sourceClip in sourceBlendShapeAvatar.Clips)
{
if (!sourceClip)
{
continue;
}
CopyVRMBlendShapes.CopyBlendShapeClip(sourceClip, source, destination);
}
}