protected override void OnReverse()
{
if (expression != null)
{
expression.weight = originalWeight;
expression = null;
}
}
protected override void OnEnter()
{
expression = ResolveExpression();
if (expression != null)
{
originalWeight = expression.weight;
}
}
public static VrmLib.BlendShape FromGltf(BlendShapeGroup x, List <VrmLib.Node> nodes, List <VrmLib.Material> materials)
{
var expression = new VrmLib.BlendShape((VrmLib.BlendShapePreset)x.Preset,
x.Name,
x.IsBinary.HasValue && x.IsBinary.Value)
{
IgnoreBlink = x.IgnoreBlink.GetValueOrDefault(),
IgnoreLookAt = x.IgnoreLookAt.GetValueOrDefault(),
IgnoreMouth = x.IgnoreMouth.GetValueOrDefault(),
};
foreach (var y in x.Binds)
{
var node = nodes[y.Node.Value];
var blendShapeName = node.Mesh.MorphTargets[y.Index.Value].Name;
var blendShapeBind = new BlendShapeBindValue(node, blendShapeName, y.Weight.Value);
expression.BlendShapeValues.Add(blendShapeBind);
}
foreach (var y in x.MaterialValues)
{
var material = materials[y.Material.Value];
Vector4 target = default;
if (y.TargetValue.Count > 0)
{
target.X = y.TargetValue[0];
}
if (y.TargetValue.Count > 1)
{
target.Y = y.TargetValue[1];
}
if (y.TargetValue.Count > 2)
{
target.Z = y.TargetValue[2];
}
if (y.TargetValue.Count > 3)
{
target.W = y.TargetValue[3];
}
var materialColorBind = new MaterialBindValue(material, EnumUtil.Cast <MaterialBindType>(y.Type), target);
expression.MaterialValues.Add(materialColorBind);
}
foreach (var y in x.MaterialUVBinds)
{
var material = materials[y.Material.Value];
var scaling = Vector2.One;
if (y.Scaling.Count > 0)
{
scaling.X = y.Scaling[0];
}
if (y.Scaling.Count > 1)
{
scaling.Y = y.Scaling[1];
}
var offset = Vector2.Zero;
if (y.Offset.Count > 0)
{
offset.X = y.Offset[0];
}
if (y.Offset.Count > 1)
{
offset.Y = y.Offset[1];
}
var materialUVBind = new UVScaleOffsetValue(material, scaling, offset);
expression.UVScaleOffsetValues.Add(materialUVBind);
}
return(expression);
}
