From 5a0e2be6c67906feb5593f443345777c992d3d6b Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Fri, 15 Nov 2024 02:27:38 +0900
Subject: [PATCH] Converter.FromVrm10

---
 .../RotateParticle/Editor/Converter.cs        | 43 ++++++++++++++++---
 .../RotateParticle/Runtime/Components/Warp.cs | 26 ++++++++---
 2 files changed, 58 insertions(+), 11 deletions(-)

diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/Converter.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/Converter.cs
index 5f2153c65..f229e82d9 100644
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/Converter.cs
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Editor/Converter.cs
@@ -1,3 +1,4 @@
+using System.Linq;
 using UnityEditor;
 using UnityEngine;
 using UniVRM10;
@@ -20,12 +21,21 @@ namespace RotateParticle.Components
             return go.GetComponent<Vrm10Instance>() != null;
         }
 
+        /// <summary>
+        /// instance.SpringBone.Springs を rotate particle で置き換える。
+        /// UNDO 可能。
+        /// </summary>
         [MenuItem(FROM_VRM10_MENU, false)]
         public static void FromVrm10()
         {
             var go = Selection.activeGameObject;
             var instance = go.GetComponent<Vrm10Instance>();
 
+            Undo.IncrementCurrentGroup();
+            Undo.SetCurrentGroupName(FROM_VRM10_MENU);
+            var undo = Undo.GetCurrentGroup();
+
+            Undo.RegisterCompleteObjectUndo(instance, "RegisterCompleteObjectUndo");
             foreach (var spring in instance.SpringBone.Springs)
             {
                 if (spring.Joints == null || spring.Joints[0] == null)
@@ -33,20 +43,43 @@ namespace RotateParticle.Components
                     continue;
                 }
 
-                var root = spring.Joints[0].gameObject;
-                if (root == null)
+                var root_joint = spring.Joints[0].gameObject;
+                if (root_joint == null)
                 {
                     continue;
                 }
 
-                if (root.GetComponent<Warp>() != null)
+                if (root_joint.GetComponent<Warp>() != null)
                 {
                     continue;
                 }
 
-                UnityEditor.Undo.IncrementCurrentGroup();
-                UnityEditor.Undo.SetCurrentGroupName("VRM10SpringBoneColliderGroup.Separate");
+                var warp = Undo.AddComponent<Warp>(root_joint);
+                var joints = spring.Joints.Where(x => x != null).ToArray();
+                for (int i = 0; i < joints.Length; ++i)
+                {
+                    var joint = joints[i];
+                    warp.Particles.Add(new Warp.Particle
+                    {
+                        OverrideSettings = new Warp.ParticleSettings
+                        {
+                            DragForce = joint.m_dragForce,
+                            GravityDir = joint.m_gravityDir,
+                            GravityPower = joint.m_gravityPower,
+                            StiffnessForce = joint.m_stiffnessForce,
+                            // breaking change from vrm-1.0
+                            HitRadius = i > 0 ? joints[i - 1].m_jointRadius : joints[i].m_jointRadius,
+                        },
+                    });
+                    Undo.DestroyObjectImmediate(joint);
+                }
+                spring.Joints.Clear();
             }
+            instance.SpringBone.Springs.Clear();
+
+            Undo.RegisterFullObjectHierarchyUndo(go, "RegisterFullObjectHierarchyUndo");
+
+            Undo.CollapseUndoOperations(undo);
         }
     }
 }
\ No newline at end of file
diff --git a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/Warp.cs b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/Warp.cs
index 3be388f61..e2e585130 100644
--- a/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/Warp.cs
+++ b/Assets/VRM10_Samples/ClothSample/RotateParticle/Runtime/Components/Warp.cs
@@ -12,6 +12,20 @@ namespace RotateParticle.Components
         [Serializable]
         public class ParticleSettings
         {
+            [SerializeField]
+            public float StiffnessForce = 1.0f;
+
+            [SerializeField]
+            public float GravityPower = 0;
+
+            [SerializeField]
+            public Vector3 GravityDir = new Vector3(0, -1.0f, 0);
+
+            [SerializeField, Range(0, 1)]
+            public float DragForce = 0.4f;
+
+            [SerializeField]
+            public float HitRadius = 0.02f;
         }
 
         /// <summary>
@@ -25,29 +39,29 @@ namespace RotateParticle.Components
         }
 
         [SerializeField]
-        ParticleSettings BaseSettings;
+        public ParticleSettings BaseSettings;
 
         /// <summary>
         /// null のときは world root ではなく model root で処理
         /// </summary>
         [SerializeField]
-        Transform Center;
+        public Transform Center;
 
         /// <summary>
         /// 枝分かれ不可
         /// </summary>
         [SerializeField]
-        List<Particle> Particles = new List<Particle>();
+        public List<Particle> Particles = new List<Particle>();
 
         void Reset()
         {
-            Debug.Log("Warp.Reset");
+            // Debug.Log("Warp.Reset");
         }
 
         void OnValidate()
         {
-            // 枝分かれを削除
-            Debug.Log("Warp.OnValidate");
+            // TODO: 枝分かれを削除
+            // Debug.Log("Warp.OnValidate");
         }
     }
 }