ScenePartition/Editor/ScenePartitionDataSOEditor.cs

using System.Collections.Generic;
using UnityEditor;

namespace VertexColor.ScenePartition.Editor
{
    [CustomEditor(typeof(ScenePartitionDataSO))]
    public class ScenePartitionDataSOEditor : UnityEditor.Editor
    {
        public override void OnInspectorGUI()
        {
            ScenePartitionDataSO scenePartitionDataSO = (target as ScenePartitionDataSO);

            DrawDefaultInspector();

            serializedObject.Update();
            //EditorGUILayout.PropertyField(sceneAssetProperty);
            serializedObject.ApplyModifiedProperties();

            EditorGUILayout.Space();

            using (new EditorGUI.DisabledGroupScope(true))
            {
                if (scenePartitionDataSO.hasCreatedPartitions)
                {
                    EditorGUILayout.LabelField($"scenePartitions");

                    foreach (KeyValuePair<uint, ScenePartition> scenePartition in scenePartitionDataSO.scenePartitions)
                    {
                        EditorGUILayout.IntField((int)scenePartition.Value.id);
                        if (scenePartition.Value.references != null && scenePartition.Value.references.Count > 0)
                        {
                            EditorGUI.indentLevel++;
                            foreach (var reference in scenePartition.Value.references)
                            {
                                EditorGUILayout.IntField((int)reference);
                            }
                            EditorGUI.indentLevel--;
                        }
                    }
                }

                EditorGUILayout.Space();

                if (scenePartitionDataSO.hasLoadedPartitions)
                {
                    EditorGUILayout.LabelField($"loadedScenePartitions");

                    foreach (KeyValuePair<uint, ScenePartition> scenePartition in scenePartitionDataSO.loadedScenePartitions)
                    {
                        EditorGUILayout.IntField((int)scenePartition.Value.id);
                        if (scenePartition.Value.references != null && scenePartition.Value.references.Count > 0)
                        {
                            EditorGUI.indentLevel++;
                            foreach (var reference in scenePartition.Value.references)
                            {
                                EditorGUILayout.IntField((int)reference);
                            }
                            EditorGUI.indentLevel--;
                        }
                    }
                }
            }
        }
    }
}