ScenePartition/Editor/ScenePartitionSS.cs

using UnityEditor;
using UnityEngine;

namespace VertexColor.ScenePartition.Editor
{
    /// <summary>
    /// Local cache/data container.
    /// Hold loaded data, calculated data, cache data, state data.
    /// This data is persistent though editor sessions and recompiles, is stored in the project folder.
    /// </summary>
    [FilePath("Library/ScenePartition/SceneDataCache.asset", FilePathAttribute.Location.ProjectFolder)]
    public class ScenePartitionSS : ScriptableSingleton<ScenePartitionSS>
    {
        public SceneDataCache SceneDataCache => sceneDataCache;

        [SerializeField]
        private SceneDataCache sceneDataCache = new SceneDataCache();

        public ScenePartitionData GetScenePartitionData(ScenePartitionSO scenePartitionSO)
        {
            if (!sceneDataCache.TryGetValue(scenePartitionSO, out ScenePartitionData scenePartitionData))
            {
                scenePartitionData = new ScenePartitionData();
                sceneDataCache.Add(scenePartitionSO, scenePartitionData);
            }

            return scenePartitionData;
        }

        private void OnDisable()
        {
            Save(true);
        }
    }

    [System.Serializable]
    public class SceneDataCache : SerializableDictionary<ScenePartitionSO, ScenePartitionData> { }
}