Scene Inspector Window

SceneInspectorWindow.cs

#if UNITY_EDITOR
using System.Collections.Generic;
using System.Linq;
using UnityEditor;
using UnityEditor.SceneManagement;
using UnityEngine;

// Drop this in your project; Since this uses UnityEditor, make sure to place it under an Editor directory.

namespace Game.Editor.SceneInspectorTool
{

    public class ScenesInspectorWindow : EditorWindow
    {
        private readonly Dictionary<string, string> _sceneNameToScenePathMap = new Dictionary<string, string>();
        private static ScenesInspectorWindow _scenesInspectorWindow;
        
        private const string BOOTSTRAP_SCENE_NAME = "BootstrapScene";
        
        private static string _bootstrapScenePath;
        
        [MenuItem("Tools/Scenes Inspector %g")]
        private static void ToggleWindow()
        {
            if (_scenesInspectorWindow != null)
            {
                _scenesInspectorWindow.Close();
                _scenesInspectorWindow = null;
            }
            else
            {
                _scenesInspectorWindow = GetWindow<ScenesInspectorWindow>("Scenes Inspector");
                _scenesInspectorWindow.Init();
                _scenesInspectorWindow.Show();  
            }
        }

        private void Init()
        {
            var scenePaths = EditorBuildSettings.scenes
                .Where(s => s.enabled)
                .Select(s => s.path)
                .ToArray();

            foreach (var scenePath in scenePaths)
            {
                var displayName = scenePath.Split('/').Last();
                if (displayName.Contains(BOOTSTRAP_SCENE_NAME))
                {
                    _bootstrapScenePath = scenePath;
                }
                _sceneNameToScenePathMap.Add(displayName, scenePath);
            }
        }

        protected void OnGUI()
        {
            if (_sceneNameToScenePathMap == null)
            {
                return;
            }

            foreach (var keyValuePair in _sceneNameToScenePathMap)
            {
                var displayName = keyValuePair.Key;
                var scenePath = keyValuePair.Value;
                DrawOpenSceneButton(displayName, scenePath);
            }
        }

        private static void DrawOpenSceneButton(string displayName, string scenePath)
        {
            if (GUILayout.Button(displayName))
            {
                var openingBootstrapScene = scenePath.Contains("Bootstrap");
                
                EditorSceneManager.OpenScene(_bootstrapScenePath, OpenSceneMode.Single);
                if (!openingBootstrapScene)
                {
                    EditorSceneManager.OpenScene(scenePath, OpenSceneMode.Additive);   
                }
            }
        }
    }
}
#endif