From f917b8f37288379a04cf483fea80fd6c8b78b9c7 Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Mon, 6 Nov 2023 19:47:06 +0900
Subject: [PATCH] mesh empty

---
 .../Runtime/MeshUtility/MeshFreezer.cs        |  4 ----
 .../Runtime/MeshUtility/Vrm10MeshUtility.cs   | 21 ++++++++++++++++++-
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/Assets/UniGLTF/Runtime/MeshUtility/MeshFreezer.cs b/Assets/UniGLTF/Runtime/MeshUtility/MeshFreezer.cs
index 77ea08113..98c4f8af1 100644
--- a/Assets/UniGLTF/Runtime/MeshUtility/MeshFreezer.cs
+++ b/Assets/UniGLTF/Runtime/MeshUtility/MeshFreezer.cs
@@ -356,10 +356,6 @@ namespace UniGLTF.MeshUtility
                 }
             }
 
-            if (report.Count > 0)
-            {
-                Debug.LogFormat("{0}", report.ToString());
-            }
             // restore blendshape weights
             for (int i = 0; i < backcup.Count; ++i)
             {
diff --git a/Assets/VRM10/Runtime/MeshUtility/Vrm10MeshUtility.cs b/Assets/VRM10/Runtime/MeshUtility/Vrm10MeshUtility.cs
index 39614d2d9..6834557cb 100644
--- a/Assets/VRM10/Runtime/MeshUtility/Vrm10MeshUtility.cs
+++ b/Assets/VRM10/Runtime/MeshUtility/Vrm10MeshUtility.cs
@@ -152,6 +152,23 @@ namespace UniVRM10
             }
         }
 
+        static GameObject GetOrCreateEmpty(GameObject go, string name)
+        {
+            foreach (var child in go.transform.GetChildren())
+            {
+                if (child.name == name
+                 && child.localPosition == Vector3.zero
+                 && child.localScale == Vector3.one
+                 && child.localRotation == Quaternion.identity)
+                {
+                    return child.gameObject;
+                }
+            }
+            var empty = new GameObject(name);
+            empty.transform.SetParent(go.transform, false);
+            return empty;
+        }
+
         public void Process(GameObject go)
         {
             var vrmInstance = go.GetComponent<Vrm10Instance>();
@@ -226,6 +243,8 @@ namespace UniVRM10
             }
 
             {
+                var empty = GetOrCreateEmpty(go, "mesh");
+
                 // TODO: UNDO            
                 var results = new List<MeshIntegrationResult>();
                 foreach (var group in copy)
@@ -235,7 +254,7 @@ namespace UniVRM10
                         : MeshIntegrator.BlendShapeOperation.None);
                     results.Add(result);
 
-                    result.AddIntegratedRendererTo(go);
+                    result.AddIntegratedRendererTo(empty);
 
                     if (generateFirstPerson && group.Name == "auto")
                     {