A custom editor window for quickly open pre-defined scene assets

LevelManagementEditor.cs

using System.Collections.Generic;
using Sirenix.OdinInspector.Editor;
using UnityEditor;
using UnityEngine;
using Sirenix.OdinInspector;
using Sirenix.Utilities.Editor;
using UnityEditor.SceneManagement;


public class LevelManagementEditor : OdinMenuEditorWindow
{
    private SceneData sceneData;

    //Add your own menu here
    [MenuItem("Tool/")]
    private static void OpenWindow()
    {
        GetWindow<LevelManagementEditor>("Fast Level Open/快速打开关卡").Show();
    }

    protected override OdinMenuTree BuildMenuTree()
    {
        var tree = new OdinMenuTree();

        tree.Config.DrawSearchToolbar = true;
        tree.Add("Level-Open Presets", new OpenDefaultScenes());
        
        //Add your own scene asset folder paths here
        tree.AddAllAssetsAtPath("Level/G", "Assets/Scenes/G", typeof(SceneAsset), true, true).AddThumbnailIcons();
        tree.AddAllAssetsAtPath("Level/D", "Assets/Scenes/D", typeof(SceneAsset), true, true).AddThumbnailIcons();

        return tree;
    }

    protected override void OnBeginDrawEditors()
    {
        OdinMenuTreeSelection selected = this.MenuTree.Selection;

        if (selected.SelectedValue is SceneAsset)
        {
            SirenixEditorGUI.BeginHorizontalToolbar();
            {
                GUILayout.FlexibleSpace();
                if (SirenixEditorGUI.ToolbarButton("Singly Open/单独打开"))
                {
                    OpenSceneSelected(selected, OpenSceneMode.Single);
                }
                if (SirenixEditorGUI.ToolbarButton("Additively Open/添加场景"))
                {
                    OpenSceneSelected(selected, OpenSceneMode.Additive);
                }
                if (SirenixEditorGUI.ToolbarButton("Additively Open No Loading/添加场景(不激活)"))
                {
                    OpenSceneSelected(selected, OpenSceneMode.AdditiveWithoutLoading);
                }

                GUILayout.FlexibleSpace();
            }
            SirenixEditorGUI.EndHorizontalToolbar();

            //显示场景信息（名称和路径），按钮用于ping到project window中
            //Show Level data(name and path), a button to ping the scene asset selected
            SirenixEditorGUI.BeginBox(new GUIContent(), false, default);
            {
                SirenixEditorGUI.Title("Scene Data", "", TextAlignment.Center, true);
                SirenixEditorGUI.MessageBox("Scene Name: " + ShowSceneData(selected));
                SirenixEditorGUI.BeginHorizontalToolbar();
                {
                    GUILayout.FlexibleSpace();
                    if (SirenixEditorGUI.ToolbarButton("Ping scene asset/打开文件所在位置"))
                    {
                        if (sceneData != null)
                        {
                            SceneAsset scene = AssetDatabase.LoadAssetAtPath<SceneAsset>(sceneData.path);
                            EditorGUIUtility.PingObject(scene);
                        }
                    }
                }
                SirenixEditorGUI.EndHorizontalToolbar();
                GUILayout.FlexibleSpace();
            }

            SirenixEditorGUI.EndBox();
        }
    }

    /// <summary>
    /// Use to store the Scriptable Objects of scene open presets(LevelOpenData)
    /// 用于直接打开默认的几个核心场景
    /// </summary>
    public class OpenDefaultScenes
    {
        [AssetList(AutoPopulate = true, Path = "Scenes/")]
        [InlineEditor(InlineEditorModes.GUIAndPreview)]
        [LabelText("Scene Open Data(SO)")]
        public LevelOpenData openData;

    }


    /// <summary>
    /// Open scene in specified mode
    /// 以指定的方法，打开在菜单栏中选择的场景
    /// </summary>
    private void OpenSceneSelected(OdinMenuTreeSelection selection, OpenSceneMode mode = OpenSceneMode.Additive)
    {
        EditorSceneManager.SaveOpenScenes();
        SceneAsset currentSelectedScene = selection.SelectedValue as SceneAsset;
        string path = AssetDatabase.GetAssetPath(currentSelectedScene);
        EditorSceneManager.OpenScene(path, mode);
    }

    /// <summary>
    /// Show the scene data in the editor
    /// 在左侧菜单栏所选中的scene
    /// </summary>
    private string ShowSceneData(OdinMenuTreeSelection selection)
    {
        SceneAsset currentSelectedScene = selection.SelectedValue as SceneAsset;
        if (currentSelectedScene != null)
        {
            string sceneName = currentSelectedScene.name;
            string path = AssetDatabase.GetAssetPath(currentSelectedScene);
            sceneData = new SceneData(sceneName, path);
            return sceneData.sceneName + "\n"  + "Scene Path: " + sceneData.path;
        }

        return null;
    }


    private class SceneData
    {
        public readonly string sceneName;
        public readonly string path;

        public SceneData(string sceneName, string path)
        {
            this.sceneName = sceneName;
            this.path = path;
        }
    }
}

LevelOpenData.cs

using System.Collections.Generic;
using Sirenix.OdinInspector;
using UnityEditor;
using UnityEditor.SceneManagement;
using UnityEngine;
using UnityEngine.Serialization;


[CreateAssetMenu(fileName = "场景打开存档", menuName = "LevelOpenData", order = 0)]
public class LevelOpenData : ScriptableObject
{

    [LabelText("Scenes and Open modes")]
    public List<OpenData> opendata;

    [Button("Open Scenes/打开场景", ButtonSizes.Large)]
    public void OpenScene()
    {
        EditorSceneManager.SaveOpenScenes();
        foreach (var data in opendata)
        {
            string path = AssetDatabase.GetAssetPath(data.scene);
            EditorSceneManager.OpenScene(path, data.openSceneMode);
        }
    }
}

[System.Serializable]
public class OpenData
{
    [FormerlySerializedAs("asset")]
    public SceneAsset scene;
    public OpenSceneMode openSceneMode = OpenSceneMode.Additive;
}