Non functional work on POV

Editor/SceneViewToolbar.cs

 
                     GUI.color = backup;
 
+                    // SceneViewPOV
+                    GUILayout.Space(16);
+                    if(GUILayout.Button("POV", EditorStyles.toolbarDropDown))
+                    {
+                        Rect btnrect = GUILayoutUtility.GetLastRect();
+                        btnrect.yMax += 16;
+                        SceneViewPOV.ShowPopup(btnrect, sceneView);
+                    }
+
                     GUILayout.FlexibleSpace();
 
                     // Custom Code here

Editor/SceneViewPOV.meta

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Editor/SceneViewPOV/SceneViewPOV.cs

+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+using UnityEditor;
+using UnityEditor.SceneManagement;
+
+namespace GameplayIngredients.Editor
+{
+    public class SceneViewPOV : PopupWindowContent
+    {
+        static GameObject POVRoot;
+        static GameObject[] ALlPOVRoots;
+
+        const string kPOVObjectName = "__SceneView__POV__";
+        const string kPOVRootTag = "SceneViewPOVRoot";
+
+        [InitializeOnLoadMethod]
+        static void Initialize()
+        {
+            SceneManager.activeSceneChanged -= EditorSceneManager_activeSceneChanged;
+            SceneManager.sceneLoaded -= SceneManager_sceneLoaded;
+            SceneManager.sceneUnloaded -= SceneManager_sceneUnloaded;
+
+            SceneManager.activeSceneChanged += EditorSceneManager_activeSceneChanged;
+            SceneManager.sceneLoaded += SceneManager_sceneLoaded;
+            SceneManager.sceneUnloaded += SceneManager_sceneUnloaded;
+        }
+
+        private static void SceneManager_sceneUnloaded(Scene arg0)
+        {
+            CheckPOVGameObjects();
+        }
+
+        private static void SceneManager_sceneLoaded(Scene arg0, LoadSceneMode arg1)
+        {
+            CheckPOVGameObjects();
+        }
+
+        private static void EditorSceneManager_activeSceneChanged(Scene arg0, Scene arg1)
+        {
+            CheckPOVGameObjects();
+        }
+
+        public static void CheckPOVGameObjects()
+        {
+            var activePov = SceneManager.GetActiveScene().GetRootGameObjects().FirstOrDefault<GameObject>(o => o.name == kPOVObjectName && o.tag == kPOVRootTag);
+
+            if (activePov == null)
+            {
+                activePov = CreatePOVRootObject();
+            }
+
+            POVRoot = activePov;
+            ALlPOVRoots = GameObject.FindGameObjectsWithTag(kPOVRootTag);
+        }
+
+        static GameObject CreatePOVRootObject()
+        {
+            var povRoot = new GameObject(kPOVObjectName);
+            povRoot.isStatic = true;
+            povRoot.tag = kPOVRootTag;
+            povRoot.hideFlags = HideFlags.HideInHierarchy;
+            return povRoot;
+        }
+
+        static GameObject CreatePOV(GameObject povRoot, string name, Transform transform)
+        {
+            var pov = new GameObject(name);
+            pov.isStatic = true;
+            pov.hideFlags = HideFlags.HideInHierarchy;
+            pov.transform.position = transform.position;
+            pov.transform.rotation = transform.rotation;
+            pov.transform.parent = povRoot.transform;
+            return pov;
+        }
+
+        public static void ShowPopup(Rect buttonRect, SceneView sceneView)
+        {
+            PopupWindow.Show(buttonRect, new SceneViewPOV(sceneView));
+        }
+
+        private SceneView m_SceneView;
+
+        public SceneViewPOV(SceneView sceneView)
+        {
+            m_SceneView = sceneView;
+        }
+
+        public override Vector2 GetWindowSize()
+        {
+            return new Vector2(256.0f, 480.0f);
+        }
+
+        public override void OnGUI(Rect rect)
+        {
+            if (POVRoot == null)
+                CheckPOVGameObjects();
+
+            if (POVRoot != null && SceneView.lastActiveSceneView != null)
+            {
+                var povs = GameObject.FindGameObjectsWithTag("POV");
+
+                GUILayout.Label("Go to POVs", EditorStyles.boldLabel);
+                foreach (var pov in povs.OrderBy(o => o.name))
+                {
+                    using (new EditorGUILayout.HorizontalScope())
+                    {
+                        if (GUILayout.Button(pov.name))
+                        {
+                            SceneView.lastActiveSceneView.AlignViewToObject(pov.transform);
+                        }
+                        if (GUILayout.Button("X", GUILayout.Width(32)))
+                        {
+                            if (EditorUtility.DisplayDialog("Destroy POV?", "Do you want to destroy this POV: " + pov.name + " ?", "Yes", "No")) ;
+                            //Destroy(pov);
+                        }
+                    }
+                }
+            }
+            else
+            {
+                EditorGUILayout.HelpBox("No POV Root found (Create an Empty Game Object named 'POV_ROOT') or no SceneView currently active", MessageType.Warning);
+            }
+
+        }
+    }
+}
+

Editor/SceneViewPOV/SceneViewPOV.cs.meta

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