public static string SingleMesh(this ModelModifier modifier, string name)
{
var count = modifier.Model.MeshGroups.Sum(x => x.Meshes.Count);
var meshes = modifier.Model.Root.Traverse()
.Select(x => x.MeshGroup)
.Where(x => x != null)
.Select(x => $"[{x.Name}]")
.ToArray();
if (meshes.Length == 0)
{
return("SingleMesh: no mesh. do nothing");
}
if (meshes.Length <= 1)
{
return("SingleMesh: one mesh. do nothing");
}
var mesh = modifier.Model.CreateSingleMesh(name);
var meshNode = new Node(mesh.Name)
{
MeshGroup = mesh,
};
mesh.Skin.Root = meshNode;
// fix bone weight (0, x, 0, 0) => (x, 0, 0, 0)
// mesh.Meshes[0].VertexBuffer.FixBoneWeight();
// replace morphAnimation reference
ReplaceMorphTargetAnimationNode(modifier.Model.Animations, meshNode);
// update Model
foreach (var x in modifier.Model.MeshGroups.ToArray())
{
modifier.MeshReplace(x, mesh);
}
modifier.NodeMeshClear();
modifier.NodeReplace(null, meshNode);
var names = string.Join("", meshes);
// return $"SingleMesh: {names}";
return($"SingleMesh: {count} => {modifier.Model.MeshGroups.Sum(x => x.Meshes.Count)}");
}
