duplicating entities can now be undone / redone

Assets/Scenes/Editor.unity

@@ -2342,7 +2342,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
   m_AnchorMax: {x: 1, y: 0}
-  m_AnchoredPosition: {x: -289.15002, y: 2}
+  m_AnchoredPosition: {x: -289.15, y: 2}
   m_SizeDelta: {x: -578.29, y: 49.92}
   m_Pivot: {x: 0.5, y: 0}
 --- !u!114 &156962255
@@ -8869,7 +8869,7 @@ MonoBehaviour:
   m_HandleRect: {fileID: 704039020}
   m_Direction: 0
   m_Value: 0
-  m_Size: 0.032871284
+  m_Size: 0.03287128
   m_NumberOfSteps: 0
   m_OnValueChanged:
     m_PersistentCalls:
@@ -12488,8 +12488,8 @@ MonoBehaviour:
   m_TargetGraphic: {fileID: 1589389272}
   m_HandleRect: {fileID: 1589389271}
   m_Direction: 2
-  m_Value: 1
+  m_Value: 1.0000002
-  m_Size: 0.5293149
+  m_Size: 0.52891773
   m_NumberOfSteps: 0
   m_OnValueChanged:
     m_PersistentCalls:
@@ -15074,7 +15074,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0.5}
   m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: -408.97992, y: -17}
+  m_AnchoredPosition: {x: -408.97998, y: -17}
   m_SizeDelta: {x: -817.96, y: -46.29}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!1 &1121370303
@@ -15607,7 +15607,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0.5}
   m_AnchorMax: {x: 1, y: 0.5}
-  m_AnchoredPosition: {x: 0, y: 129.94681}
+  m_AnchoredPosition: {x: 0, y: 129.85045}
   m_SizeDelta: {x: 0, y: 491}
   m_Pivot: {x: 0.5, y: 1}
 --- !u!114 &1154875944
@@ -26349,8 +26349,8 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
   m_AnchorMax: {x: 0, y: 1}
-  m_AnchoredPosition: {x: 0, y: -26.463135}
+  m_AnchoredPosition: {x: -0, y: -28.03}
-  m_SizeDelta: {x: 1054, y: -115.3}
+  m_SizeDelta: {x: 1054, y: -113.92}
   m_Pivot: {x: 0, y: 0.5}
 --- !u!114 &2066632681
 MonoBehaviour:

Assets/Scripts/LevelEditor/Commands/Block.cs

@@ -171,4 +171,38 @@ namespace HeavenStudio.Editor.Commands
             }
         }
     }
+
+    public class Duplicate : IAction
+    {
+        List<TimelineEventObj> eventObjs;
+        List<TimelineEventObj> copiedObjs;
+
+        public Duplicate(List<TimelineEventObj> eventObjs)
+        {
+            this.eventObjs = eventObjs;
+        }
+
+        public void Execute()
+        {
+        }
+
+        public void Redo()
+        {
+            for (int i = 0; i < copiedObjs.Count; i++)
+            {
+                Beatmap.Entity e = copiedObjs[i].entity;
+                eventObjs[i] = Timeline.instance.AddEventObject(e.datamodel, false, new Vector3(e.beat, -e.track * Timeline.instance.LayerHeight()), e, true, e.eventObj.eventObjID);
+            }
+        }
+
+        public void Undo()
+        {
+            copiedObjs = eventObjs;
+            for (int i = 0; i < eventObjs.Count; i++)
+            {
+                Selections.instance.Deselect(eventObjs[i]);
+                Timeline.instance.DestroyEventObject(eventObjs[i].entity);
+            }
+        }
+    }
 }

Assets/Scripts/LevelEditor/Editor.cs

@@ -199,7 +199,7 @@ namespace HeavenStudio.Editor
 
                         for (int i = 0; i < selectedEvents.Count; i++)
                         {
-                            if (selectedEvents[i].isCreating == false)
+                            if (!(selectedEvents[i].isCreating || selectedEvents[i].wasDuplicated))
                             {
                                 result.Add(selectedEvents[i]);
                             }

Assets/Scripts/LevelEditor/Timeline/Timeline.cs

@@ -611,14 +611,22 @@ namespace HeavenStudio.Editor.Track
             return eventObj;
         }
 
-        public TimelineEventObj CopyEventObject(Beatmap.Entity e)
+        private List<TimelineEventObj> duplicatedEventObjs = new List<TimelineEventObj>();
+        public TimelineEventObj CopyEventObject(TimelineEventObj e)
         {
-            Beatmap.Entity clone = e.DeepCopy();
+            Beatmap.Entity clone = e.entity.DeepCopy();
             TimelineEventObj dup = AddEventObject(clone.datamodel, false, new Vector3(clone.beat, -clone.track * Timeline.instance.LayerHeight()), clone, true, RandomID());
+            duplicatedEventObjs.Add(dup);
 
             return dup;
         }
 
+        public void FinalizeDuplicateEventStack()
+        {
+            CommandManager.instance.Execute(new Commands.Duplicate(duplicatedEventObjs));
+            duplicatedEventObjs = new List<TimelineEventObj>();
+        }
+
         public void DestroyEventObject(Beatmap.Entity entity)
         {
             if (EventParameterManager.instance.entity == entity)

Assets/Scripts/LevelEditor/Timeline/TimelineEventObj.cs

@@ -38,10 +38,10 @@ namespace HeavenStudio.Editor.Track
         public bool resizable;
         public bool resizing;
         public bool moving;
+        public bool wasDuplicated;
         private bool resizingLeft;
         private bool resizingRight;
         private bool inResizeRegion;
-        private bool wasDuplicated;
         public Vector2 lastMovePos;
         public bool isCreating;
         public string eventObjID;
@@ -120,7 +120,10 @@ namespace HeavenStudio.Editor.Track
                 selectedImage.gameObject.SetActive(true);
                 for (int i = 0; i < outline.childCount; i++)
                 {
-                    outline.GetChild(i).GetComponent<Image>().color = Color.cyan;
+                    if (moving)
+                        outline.GetChild(i).GetComponent<Image>().color = Color.magenta;
+                    else
+                        outline.GetChild(i).GetComponent<Image>().color = Color.cyan;
                 }
             }
             else
@@ -153,29 +156,33 @@ namespace HeavenStudio.Editor.Track
 
             if (!resizing)
             {
-                if (Input.GetMouseButtonUp(0) && Timeline.instance.timelineState.selected)
-                {
-                    if (Timeline.instance.eventObjs.FindAll(c => c.mouseHovering).Count == 0 && Timeline.instance.eventObjs.FindAll(c => c.moving).Count == 0 && !BoxSelection.instance.selecting && Timeline.instance.eventObjs.FindAll(c => c.resizing).Count == 0)
-                    {
-                        if (!Input.GetKey(KeyCode.LeftShift))
-                        {
-                            // Selections.instance.Deselect(this);
-                        }
-                    }
-
-                    // OnUp();
-                }
-
                 if (Timeline.instance.eventObjs.FindAll(c => c.moving).Count > 0 && selected)
                 {
-                    //duplicate the entity if holding alt or r-click
+                    Vector3 mousePos = Editor.instance.EditorCamera.ScreenToWorldPoint(Input.mousePosition);
-                    if ((!wasDuplicated) && (Input.GetKey(KeyCode.LeftAlt) || Input.GetMouseButton(1)))
+                    //duplicate the entity if holding alt or m-click
+                    if ((!wasDuplicated) && (Input.GetKey(KeyCode.LeftAlt) || Input.GetMouseButton(2)))
                     {
-                        wasDuplicated = true;
+                        Selections.instance.Deselect(this);
-                        var te = Timeline.instance.CopyEventObject(entity);
+                        this.wasDuplicated = false;
+                        this.moving = false;
+
+                        var te = Timeline.instance.CopyEventObject(this);
+
+                        Selections.instance.DragSelect(te);
+
+                        te.wasDuplicated = true;
+                        te.transform.localPosition = transform.localPosition;
+                        te.lastPos_ = transform.localPosition;
+
+                        for (int i = 0; i < Timeline.instance.eventObjs.Count; i++)
+                        {
+                            Timeline.instance.eventObjs[i].startPosX = mousePos.x - Timeline.instance.eventObjs[i].transform.position.x;
+                            Timeline.instance.eventObjs[i].startPosY = mousePos.y - Timeline.instance.eventObjs[i].transform.position.y;
+                        }
+
+                        te.moving = true;
                     }
 
-                    Vector3 mousePos = Editor.instance.EditorCamera.ScreenToWorldPoint(Input.mousePosition);
 
                     lastPos_ = transform.localPosition;
 
@@ -231,7 +238,12 @@ namespace HeavenStudio.Editor.Track
                 if (resizable)
                 Cursor.SetCursor(Resources.Load<Texture2D>("Cursors/horizontal_resize"), new Vector2(8, 8), CursorMode.Auto);
             }
-            else if (Timeline.instance.eventObjs.FindAll(c => c.inResizeRegion).Count == 0 && Timeline.instance.eventObjs.FindAll(c => c.resizing).Count == 0)
+            // should consider adding this someday
+            // else if (moving && selected || mouseHovering && selected)
+            // {
+            //     Cursor.SetCursor(Resources.Load<Texture2D>("Cursors/move"), new Vector2(8, 8), CursorMode.Auto);
+            // }
+            else
             {
                 Cursor.SetCursor(null, Vector2.zero, CursorMode.Auto);
             }
@@ -293,13 +305,17 @@ namespace HeavenStudio.Editor.Track
 
             if (selected && Timeline.instance.timelineState.selected)
             {
+                if (wasDuplicated)
+                {
+                    Timeline.instance.FinalizeDuplicateEventStack();
+                    wasDuplicated = false;
+                }
                 if (eligibleToMove)
                 {
                     OnComplete(true);
                 }
 
                 moving = false;
-                wasDuplicated = false;
 
                 Cancel();
                 if (isCreating == true)