From 46d3de45ece540808fe2eb3026c535ab17f5a131 Mon Sep 17 00:00:00 2001
From: LanternaBlender <159165605+LanternaBlender@users.noreply.github.com>
Date: Thu, 6 Jun 2024 23:42:41 +0900
Subject: [PATCH] Add reselect button for colliders

---
 .../VRM10SpringBoneColliderDrawer.cs          | 57 ++++++++++++++++++-
 1 file changed, 56 insertions(+), 1 deletion(-)

diff --git a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneColliderDrawer.cs b/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneColliderDrawer.cs
index 72820c84e..1548a7e71 100644
--- a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneColliderDrawer.cs
+++ b/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneColliderDrawer.cs
@@ -8,9 +8,21 @@ namespace UniVRM10
     {
         public override void OnGUI(Rect rect, SerializedProperty property, GUIContent label)
         {
+            const string ButtonLabel = "Reselect";
+            var ButtonSize = GUI.skin.button.CalcSize(new GUIContent(ButtonLabel));
             try
             {
-                EditorGUI.ObjectField(rect, property, new GUIContent(((VRM10SpringBoneCollider)property.objectReferenceValue).GetIdentificationName()));
+                var collider = property.objectReferenceValue as VRM10SpringBoneCollider;
+                EditorGUI.ObjectField(rect, property, new GUIContent(collider.GetIdentificationName()));
+
+                var colliders = collider.transform.GetComponents<VRM10SpringBoneCollider>();
+                if (colliders.Length > 1)
+                {
+                    if (GUI.Button(new Rect(rect.x + EditorGUIUtility.labelWidth - ButtonSize.x, rect.y, ButtonSize.x, rect.height), ButtonLabel))
+                    {
+                        VRM10SpringBoneColliderEditorWindow.Show(property);
+                    }
+                }
             }
             catch
             {
@@ -18,4 +30,47 @@ namespace UniVRM10
             }
         }
     }
+
+    public class VRM10SpringBoneColliderEditorWindow : EditorWindow
+    {
+        private static SerializedProperty targetProperty;
+        private Vector2 scrollPosition;
+
+        public static void Show(SerializedProperty property)
+        {
+            targetProperty = property;
+            var window = CreateInstance<VRM10SpringBoneColliderEditorWindow>();
+            window.titleContent = new GUIContent("Reselect Collider from \"" + (property.objectReferenceValue as VRM10SpringBoneCollider).transform.name + "\"");
+            window.ShowAuxWindow();
+        }
+
+        private void OnGUI()
+        {
+            if (targetProperty is null)
+            {
+                Close();
+                return;
+            }
+
+            var transform = (targetProperty.objectReferenceValue as VRM10SpringBoneCollider).transform;
+            var colliders = transform.GetComponents<VRM10SpringBoneCollider>();
+            if (colliders.Length == 0)
+            {
+                Close();
+                return;
+            }
+
+            scrollPosition = GUILayout.BeginScrollView(scrollPosition);
+            foreach (var collider in colliders)
+            {
+                if (GUILayout.Button(collider.GetIdentificationName()))
+                {
+                    targetProperty.objectReferenceValue = collider;
+                    targetProperty.serializedObject.ApplyModifiedProperties();
+                    Close();
+                }
+            }
+            GUILayout.EndScrollView();
+        }
+    }
 }
\ No newline at end of file