Add profile events for undo operations

Source/Editor/Undo/Undo.cs

@@ -5,6 +5,7 @@ using System.Collections.Generic;
 using System.Linq;
 using FlaxEditor.History;
 using FlaxEditor.Utilities;
+using FlaxEngine;
 using FlaxEngine.Collections;
 
 namespace FlaxEditor
@@ -38,9 +39,6 @@ namespace FlaxEditor
         /// <summary>
         /// Gets the undo operations stack.
         /// </summary>
-        /// <value>
-        /// The undo operations stack.
-        /// </value>
         public HistoryStack UndoOperationsStack { get; }
 
         /// <summary>
@@ -136,8 +134,11 @@ namespace FlaxEditor
         {
             if (!Enabled)
                 return;
+            Profiler.BeginEvent("Undo.RecordBegin");
 
             _snapshots.Add(snapshotInstance, new UndoInternal(snapshotInstance, actionString));
+
+            Profiler.EndEvent();
         }
 
         /// <summary>
@@ -150,11 +151,10 @@ namespace FlaxEditor
         {
             if (!Enabled)
                 return;
+            Profiler.BeginEvent("Undo.RecordEnd");
 
             if (snapshotInstance == null)
-            {
                 snapshotInstance = _snapshots.Last().Key;
-            }
             var action = _snapshots[snapshotInstance].End(snapshotInstance);
             _snapshots.Remove(snapshotInstance);
 
@@ -178,6 +178,8 @@ namespace FlaxEditor
                 UndoOperationsStack.Push(action);
                 OnAction(action);
             }
+
+            Profiler.EndEvent();
         }
 
         /// <summary>
@@ -233,8 +235,11 @@ namespace FlaxEditor
         {
             if (!Enabled)
                 return;
+            Profiler.BeginEvent("Undo.RecordMultiBegin");
 
             _snapshots.Add(snapshotInstances, new UndoMultiInternal(snapshotInstances, actionString));
+
+            Profiler.EndEvent();
         }
 
         /// <summary>
@@ -247,11 +252,10 @@ namespace FlaxEditor
         {
             if (!Enabled)
                 return;
+            Profiler.BeginEvent("Undo.RecordMultiEnd");
 
             if (snapshotInstance == null)
-            {
                 snapshotInstance = (object[])_snapshots.Last().Key;
-            }
             var action = _snapshots[snapshotInstance].End(snapshotInstance);
             _snapshots.Remove(snapshotInstance);
 
@@ -275,6 +279,8 @@ namespace FlaxEditor
                 UndoOperationsStack.Push(action);
                 OnAction(action);
             }
+
+            Profiler.EndEvent();
         }
 
         /// <summary>
@@ -325,12 +331,10 @@ namespace FlaxEditor
         {
             if (action == null)
                 throw new ArgumentNullException();
-
             if (!Enabled)
                 return;
 
             UndoOperationsStack.Push(action);
-
             OnAction(action);
         }
 
@@ -341,11 +345,14 @@ namespace FlaxEditor
         {
             if (!Enabled || !CanUndo)
                 return;
+            Profiler.BeginEvent("Undo.PerformUndo");
 
             var action = (IUndoAction)UndoOperationsStack.PopHistory();
             action.Undo();
 
             OnUndo(action);
+
+            Profiler.EndEvent();
         }
 
         /// <summary>
@@ -355,11 +362,14 @@ namespace FlaxEditor
         {
             if (!Enabled || !CanRedo)
                 return;
+            Profiler.BeginEvent("Undo.PerformRedo");
 
             var action = (IUndoAction)UndoOperationsStack.PopReverse();
             action.Do();
 
             OnRedo(action);
+
+            Profiler.EndEvent();
         }
 
         /// <summary>