0.5.0: Added toolbar with scene picker

Editor/Toolbar/Tools/ToolScenePicker.cs

@@ -0,0 +1,77 @@
+using System.Collections.Generic;
+using System.IO;
+using Game.NavigationTool.Editor.Toolbar;
+using JetBrains.Annotations;
+using UnityEditor;
+using UnityEditor.SceneManagement;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace Game.NavigationTool.Editor.Tools
+{
+    [UsedImplicitly]
+    internal sealed class ToolScenePicker : IToolbarDrawer
+    {
+        public bool Visible => true;
+        public bool Enabled => !EditorApplication.isPlaying && !EditorApplication.isPlayingOrWillChangePlaymode;
+        public EToolbarPlacement Placement => EToolbarPlacement.Right;
+
+        private static bool IS_DIRTY = true;
+        private static int SELECTED_INDEX = -1;
+        private static string[] OPTIONS = new string[0];
+        private static string[] PATHS = new string[0];
+
+        private void Initialize()
+        {
+            if (!IS_DIRTY)
+                return;
+
+            EditorBuildSettingsScene[] scenes = EditorBuildSettings.scenes;
+            var listNames = new List<string>(scenes.Length);
+            var listPaths = new List<string>(scenes.Length);
+
+            for (var i = 0; i < scenes.Length; i++)
+            {
+                if (string.IsNullOrEmpty(scenes[i].path))
+                    continue;
+
+                listNames.Add(Path.GetFileNameWithoutExtension(scenes[i].path));
+                listPaths.Add(scenes[i].path);
+            }
+
+            OPTIONS = listNames.ToArray();
+            PATHS = listPaths.ToArray();
+
+            Scene activeScene = SceneManager.GetActiveScene();
+            SELECTED_INDEX = listPaths.IndexOf(activeScene.path);
+            IS_DIRTY = false;
+        }
+
+        public void Update()
+        {
+            Initialize();
+        }
+
+        public void Draw(Rect rect, Styles styles)
+        {
+            Initialize();
+            int temp = EditorGUI.Popup(rect, SELECTED_INDEX, OPTIONS, styles.popup);
+
+            if (temp != -1 && temp != SELECTED_INDEX && OPTIONS.Length != 0)
+            {
+                SELECTED_INDEX = temp;
+                EditorSceneManager.OpenScene(PATHS[SELECTED_INDEX], OpenSceneMode.Single);
+            }
+        }
+
+        public float CalculateWidth()
+        {
+            return 100.0f;
+        }
+
+        public static void SetAsDirty()
+        {
+            IS_DIRTY = true;
+        }
+    }
+}

Editor/Toolbar/Tools/ToolScenePicker.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 172702143ca2476994af66dff7f0c0f9
+timeCreated: 1615451718

Editor/Toolbar/Tools/ToolScenePickerPostProcess.cs

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+using System.Linq;
+using Game.NavigationTool.Editor.Tools;
+using UnityEditor;
+
+namespace Game.NavigationTool.Editor.Toolbar
+{
+    internal sealed class ToolbarPostProcess : AssetPostprocessor
+    {
+        private static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAssets, string[] movedAssets, string[] movedFromAssetPaths)
+        {
+            if (HasChange(deletedAssets) || HasChange(movedAssets) || HasChange(importedAssets))
+                ToolScenePicker.SetAsDirty();
+        }
+
+        private static bool HasChange(string[] assets)
+        {
+            return assets.Any(s => s.EndsWith(".unity"));
+        }
+    }
+}

Editor/Toolbar/Tools/ToolScenePickerPostProcess.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: aba187d5f2434c93b4104a1136897484
+timeCreated: 1615458676