From f67d1412dee1eff6ef3ce8085c8a45349d5ad79f Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Sat, 29 Oct 2022 11:50:16 +0200
Subject: [PATCH] Add undo/redo and navmesh dirtying when using selection
 rotate shortcut (R key)

#765
---
 Source/Editor/Gizmo/TransformGizmoBase.cs         |  4 ++--
 Source/Editor/Viewport/MainEditorGizmoViewport.cs | 11 ++++++-----
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/Source/Editor/Gizmo/TransformGizmoBase.cs b/Source/Editor/Gizmo/TransformGizmoBase.cs
index 13ebece7c..c3ba6a165 100644
--- a/Source/Editor/Gizmo/TransformGizmoBase.cs
+++ b/Source/Editor/Gizmo/TransformGizmoBase.cs
@@ -86,7 +86,7 @@ namespace FlaxEditor.Gizmo
         /// <summary>
         /// Starts the objects transforming (optionally with duplicate).
         /// </summary>
-        protected void StartTransforming()
+        public void StartTransforming()
         {
             // Check if can start new action
             var count = SelectionCount;
@@ -119,7 +119,7 @@ namespace FlaxEditor.Gizmo
         /// <summary>
         /// Ends the objects transforming.
         /// </summary>
-        protected void EndTransforming()
+        public void EndTransforming()
         {
             // Check if wasn't working at all
             if (!_isTransforming)
diff --git a/Source/Editor/Viewport/MainEditorGizmoViewport.cs b/Source/Editor/Viewport/MainEditorGizmoViewport.cs
index 066ab1c00..1e9453bc5 100644
--- a/Source/Editor/Viewport/MainEditorGizmoViewport.cs
+++ b/Source/Editor/Viewport/MainEditorGizmoViewport.cs
@@ -329,7 +329,6 @@ namespace FlaxEditor.Viewport
             var buttonBB = translateSnappingCM.AddButton("Bounding Box");
             buttonBB.Tag = -1.0f;
 
-
             translateSnappingCM.ButtonClicked += OnWidgetTranslateSnapClick;
             translateSnappingCM.VisibleChanged += OnWidgetTranslateSnapShowHide;
             _translateSnapping.Parent = translateSnappingWidget;
@@ -711,10 +710,10 @@ namespace FlaxEditor.Viewport
         {
             var win = (WindowRootControl)Root;
             var selection = _editor.SceneEditing.Selection;
-            var IsShiftDown = win.GetKey(KeyboardKeys.Shift);
+            var isShiftDown = win.GetKey(KeyboardKeys.Shift);
 
             Quaternion rotationDelta;
-            if(IsShiftDown)
+            if (isShiftDown)
                 rotationDelta = Quaternion.Euler(0.0f, -45.0f, 0.0f);
             else
                 rotationDelta = Quaternion.Euler(0.0f, 45.0f, 0.0f);
@@ -722,15 +721,16 @@ namespace FlaxEditor.Viewport
             bool useObjCenter = TransformGizmo.ActivePivot == TransformGizmoBase.PivotType.ObjectCenter;
             Vector3 gizmoPosition = TransformGizmo.Position;
 
-            //PE: Rotate selected objects.
+            // Rotate selected objects
             bool isPlayMode = Editor.Instance.StateMachine.IsPlayMode;
+            TransformGizmo.StartTransforming();
             for (int i = 0; i < selection.Count; i++)
             {
                 var obj = selection[i];
                 if (isPlayMode && obj.CanTransform == false)
                     continue;
                 var trans = obj.Transform;
-                Vector3 pivotOffset = trans.Translation - gizmoPosition;
+                var pivotOffset = trans.Translation - gizmoPosition;
                 if (useObjCenter || pivotOffset.IsZero)
                 {
                     trans.Orientation *= Quaternion.Invert(trans.Orientation) * rotationDelta * trans.Orientation;
@@ -745,6 +745,7 @@ namespace FlaxEditor.Viewport
                 }
                 obj.Transform = trans;
             }
+            TransformGizmo.EndTransforming();
         }
 
         /// <summary>