public static VrmProtobuf.BlendShapeGroup ToGltf(this VrmLib.BlendShape x, List <VrmLib.Node> nodes, List <VrmLib.Material> materials)
{
var g = new VrmProtobuf.BlendShapeGroup
{
Preset = (VrmProtobuf.BlendShapeGroup.Types.BlendShapePreset)x.Preset,
Name = x.Name,
IsBinary = x.IsBinary,
IgnoreBlink = x.IgnoreBlink,
IgnoreLookAt = x.IgnoreLookAt,
IgnoreMouth = x.IgnoreMouth,
};
foreach (var blendShapeBind in x.BlendShapeValues)
{
g.Binds.Add(blendShapeBind.ToGltf(nodes));
}
foreach (var materialColorBind in x.MaterialValues)
{
g.MaterialValues.Add(materialColorBind.ToGltf(materials));
}
foreach (var materialUVBind in x.UVScaleOffsetValues)
{
g.MaterialUVBinds.Add(materialUVBind.ToGltf(materials));
}
return(g);
}
public static BlendShapeManager FromGltf(this VrmProtobuf.BlendShape master, List <VrmLib.Node> nodes, List <VrmLib.Material> materials)
{
var manager = new BlendShapeManager();
foreach (var x in master.BlendShapeGroups)
{
VrmLib.BlendShape expression = FromGltf(x, nodes, materials);
manager.BlendShapeList.Add(expression);
}
;
return(manager);
}
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);
}