Add minor improvement to anim graph editing

Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs

@@ -570,7 +570,7 @@ namespace FlaxEditor.Surface.Archetypes
                 var icon = Editor.Instance.Icons.VisjectBoxOpen32;
                 var size = BlendPoint.DefaultSize * _debugScale;
                 var debugPos = BlendSpacePosToBlendPointPos(_debugPos);
-                var debugRect = new Rectangle(debugPos + new Float2(size * -0.5f) + size * 0.5f, new Float2(size));
+                var debugRect = new Rectangle(debugPos + new Float2(size * -0.5f), new Float2(size));
                 var outline = Color.Black; // Shadow
                 Render2D.DrawSprite(icon, debugRect.MakeExpanded(2.0f), outline);
                 Render2D.DrawSprite(icon, debugRect, style.ProgressNormal);

Source/Editor/Surface/VisjectSurface.Context.cs

@@ -228,6 +228,13 @@ namespace FlaxEditor.Surface
         /// </summary>
         protected virtual void OnContextChanged()
         {
+            // Cache viewport of the context (used to restore when leaving it)
+            if (_context != null)
+            {
+                _context._cachedViewCenterPosition = ViewCenterPosition;
+                _context._cachedViewScale = ViewScale;
+            }
+
             var context = ContextStack.Count > 0 ? ContextStack.Peek() : null;
             _context = context;
             if (ContextStack.Count == 0)
@@ -249,6 +256,18 @@ namespace FlaxEditor.Surface
             }
 
             ContextChanged?.Invoke(_context);
+
+            // Restore viewport in the context
+            if (_context?._cachedViewScale > 0.0f)
+            {
+                ViewScale = _context._cachedViewScale;
+                ViewCenterPosition = _context._cachedViewCenterPosition;
+            }
+            else
+            {
+                // Show whole surface on load
+                ShowWholeGraph();
+            }
         }
     }
 }

Source/Editor/Surface/VisjectSurfaceContext.cs

@@ -29,6 +29,8 @@ namespace FlaxEditor.Surface
         private bool _isModified;
         private VisjectSurface _surface;
         private SurfaceMeta _meta = new SurfaceMeta();
+        internal Float2 _cachedViewCenterPosition;
+        internal float _cachedViewScale = -1; // Negative scale to indicate missing data (will show whole surface on start)
 
         /// <summary>
         /// The parent context. Defines the higher key surface graph context. May be null for the top-level context.

Source/Editor/Windows/Assets/AnimationGraphWindow.cs

@@ -371,6 +371,9 @@ namespace FlaxEditor.Windows.Assets
             // Update navbar
             _surface.UpdateNavigationBar(_navigationBar, _toolstrip);
 
+            // Show whole model
+            _preview.ResetCamera();
+
             return false;
         }
 
@@ -437,6 +440,16 @@ namespace FlaxEditor.Windows.Assets
                 _debugFlows.Clear();
             }
 
+            // Update preview values when debugging specific instance
+            if (debugActor != null && debugActor != _preview.PreviewActor)
+            {
+                var parameters = debugActor.Parameters;
+                foreach (var p in parameters)
+                {
+                    _preview.PreviewActor.SetParameterValue(p.Identifier, p.Value);
+                }
+            }
+
             _showNodesButton.Checked = _preview.ShowNodes;
         }
 

Source/Engine/Core/Collections/ArrayExtensions.h

@@ -67,7 +67,7 @@ public:
     /// <param name="predicate">The prediction function. Should return true for the target element to find.</param>
     /// <returns>The first found item or default value if nothing found.</returns>
     template<typename T, typename AllocationType>
-    static T First(const Array<T, AllocationType>& obj, const Function<bool(const T&)> predicate)
+    static T First(const Array<T, AllocationType>& obj, const Function<bool(const T&)>& predicate)
     {
         for (int32 i = 0; i < obj.Count(); i++)
         {
@@ -84,7 +84,7 @@ public:
     /// <param name="predicate">The prediction function. Should return true for the target element to find.</param>
     /// <returns>The first found item or default value if nothing found.</returns>
     template<typename T, typename AllocationType>
-    static T* First(const Array<T*, AllocationType>& obj, const Function<bool(const T*)> predicate)
+    static T* First(const Array<T*, AllocationType>& obj, const Function<bool(const T*)>& predicate)
     {
         for (int32 i = 0; i < obj.Count(); i++)
         {