/// <summary>
/// Смешивает изменения блендшейпов между собой с разной интенсивностью, получая новый блендшейп
/// Используется для генерирования визем для vrchat на основании нескольких ключевых визем (аналогично cats плагину для блендера)
/// </summary>
public static WowVrcFileData.BlendshapeData.BoneData[] MixBlendshapeBoneChanges(BlendshapeBoneChangesWithIntensity[] blendshapeBoneChangesWithIntensity)
{
// <имя_кости, list<tuple<локальное изменение трансформа кости, интенсивность изменения>>>
var changes = new Dictionary <string, List <Tuple <WowTransform, float> > >();
foreach (var blendshapeBoneChangesWithIntensityItem in blendshapeBoneChangesWithIntensity)
{
foreach (var boneChange in blendshapeBoneChangesWithIntensityItem.BlendShapeBoneChanges)
{
List <Tuple <WowTransform, float> > transforms;
if (!changes.ContainsKey(boneChange.Name))
{
transforms = new List <Tuple <WowTransform, float> >();
changes[boneChange.Name] = transforms;
}
else
{
transforms = changes[boneChange.Name];
}
transforms.Add(new Tuple <WowTransform, float>(boneChange.LocalTransform, blendshapeBoneChangesWithIntensityItem.Intensity));
}
}
return(changes
.Select(change =>
{
var transform = new WowTransform
{
position = new Vec3(0, 0, 0),
rotation = Quat.Create(),
scale = new Vec3(1, 1, 1)
};
foreach (var transformWithIntensity in change.Value)
{
var position = Vec3.Lerp(new Vec3(0, 0, 0), transformWithIntensity.Item1.position, transformWithIntensity.Item2);
transform.position.X += position.X;
transform.position.Y += position.Y;
transform.position.Z += position.Z;
var rotation = Quat.Slerp(Quat.Create(), transformWithIntensity.Item1.rotation, transformWithIntensity.Item2);
transform.rotation = Quat.Multiply(transform.rotation, rotation);
var scale = Vec3.Lerp(new Vec3(1, 1, 1), transformWithIntensity.Item1.scale, transformWithIntensity.Item2);
transform.scale.X *= scale.X;
transform.scale.Y *= scale.Y;
transform.scale.Z *= scale.Z;
}
return new WowVrcFileData.BlendshapeData.BoneData
{
Name = change.Key,
LocalTransform = transform
};
})
.ToArray());
}
private static void RotateShoulderAttachments(WowObject characterWowObject, string attachmentBoneName, string upperArmBoneName, float rotationAngle)
{
var shoulderAttachment = characterWowObject.FindBoneByName(attachmentBoneName);
var upperArm = characterWowObject.FindBoneByName(upperArmBoneName);
if (shoulderAttachment != null && upperArm != null)
{
var change = new WowVrcFileData.BlendshapeData.BoneData[] { new WowVrcFileData.BlendshapeData.BoneData()
{
LocalTransform = new WowTransform()
{
position = new Vec3(),
rotation = Quat.RotateY(Quat.Create(), rotationAngle),
scale = new Vec3(1f, 1f, 1f)
},
Name = upperArmBoneName
} };
foreach (var obj in shoulderAttachment.AttachedWowObjects)
{
foreach (var mesh in obj.Meshes)
{
var basicBakedBlendshape = BlendShapeUtility.BakeBlendShape(obj.GlobalPosition, mesh.Vertices, characterWowObject.Bones, change, 1f);
foreach (var basicBakedBlendshapeElement in basicBakedBlendshape)
{
mesh.Vertices[basicBakedBlendshapeElement.Key].Position = new Vec3(basicBakedBlendshapeElement.Value.Position.X, basicBakedBlendshapeElement.Value.Position.Y, basicBakedBlendshapeElement.Value.Position.Z);
mesh.Vertices[basicBakedBlendshapeElement.Key].Normal = new Vec3(basicBakedBlendshapeElement.Value.Normal.X, basicBakedBlendshapeElement.Value.Normal.Y, basicBakedBlendshapeElement.Value.Normal.Z);
}
}
}
}
}