Move UseFixedSize property from node archetype to flags and optimize unnecessary layouts during node loading

#3866

Source/Editor/Surface/Archetypes/Animation.cs

@@ -71,7 +71,7 @@ namespace FlaxEditor.Surface.Archetypes
                     return;
                 _assetSelect.Visible = !box.HasAnyConnection;
 
-                if (!Archetype.UseFixedSize)
+                if (!Archetype.Flags.HasFlag(NodeFlags.FixedSize))
                     ResizeAuto();
             }
         }
@@ -934,8 +934,7 @@ namespace FlaxEditor.Surface.Archetypes
                 TypeID = 27,
                 Title = "Copy Node",
                 Description = "Copies the skeleton node transformation data (in local space)",
-                Flags = NodeFlags.AnimGraph,
-                UseFixedSize = true,
+                Flags = NodeFlags.AnimGraph | NodeFlags.FixedSize,
                 Size = new Float2(260, 140),
                 DefaultValues = new object[]
                 {

Source/Editor/Surface/Archetypes/Particles.cs

@@ -340,8 +340,7 @@ namespace FlaxEditor.Surface.Archetypes
                 Create = (id, context, arch, groupArch) => new ParticleEmitterNode(id, context, arch, groupArch),
                 Title = "Particle Emitter",
                 Description = "Main particle emitter node. Contains a set of modules per emitter context. Modules are executed in order from top to bottom of the stack.",
-                Flags = NodeFlags.ParticleEmitterGraph | NodeFlags.NoRemove | NodeFlags.NoSpawnViaGUI | NodeFlags.NoSpawnViaPaste | NodeFlags.NoCloseButton,
-                UseFixedSize = true,
+                Flags = NodeFlags.ParticleEmitterGraph | NodeFlags.NoRemove | NodeFlags.NoSpawnViaGUI | NodeFlags.NoSpawnViaPaste | NodeFlags.NoCloseButton | NodeFlags.FixedSize,
                 Size = new Float2(300, 600),
                 DefaultValues = new object[]
                 {

Source/Editor/Surface/Archetypes/Tools.cs

@@ -1526,9 +1526,8 @@ namespace FlaxEditor.Surface.Archetypes
                 Title = "Color Gradient",
                 Create = (id, context, arch, groupArch) => new ColorGradientNode(id, context, arch, groupArch),
                 Description = "Linear color gradient sampler",
-                Flags = NodeFlags.AllGraphs,
+                Flags = NodeFlags.AllGraphs | NodeFlags.FixedSize,
                 Size = new Float2(400, 150.0f),
-                UseFixedSize = true,
                 DefaultValues = new object[]
                 {
                     // Stops count
@@ -1846,9 +1845,8 @@ namespace FlaxEditor.Surface.Archetypes
                 Title = "Reroute",
                 Create = (id, context, arch, groupArch) => new RerouteNode(id, context, arch, groupArch),
                 Description = "Reroute a connection.",
-                Flags = NodeFlags.NoCloseButton | NodeFlags.NoSpawnViaGUI | NodeFlags.AllGraphs,
+                Flags = NodeFlags.NoCloseButton | NodeFlags.NoSpawnViaGUI | NodeFlags.AllGraphs | NodeFlags.FixedSize,
                 Size = RerouteNode.DefaultSize,
-                UseFixedSize = true,
                 ConnectionsHints = ConnectionsHint.All,
                 IndependentBoxes = new int[] { 0 },
                 DependentBoxes = new int[] { 1 },

Source/Editor/Surface/NodeArchetype.cs

@@ -129,11 +129,6 @@ namespace FlaxEditor.Surface
         /// </summary>
         public NodeFlags Flags;
 
-        /// <summary>
-        /// If the node should use the <see cref="Size"/> as node size. If false, the node will auto resize based on its elements.
-        /// </summary>
-        public bool UseFixedSize = false;
-
         /// <summary>
         /// Title text.
         /// </summary>

Source/Editor/Surface/NodeFlags.cs

@@ -78,6 +78,11 @@ namespace FlaxEditor.Surface
         /// </summary>
         VariableValuesSize = 2048,
 
+        /// <summary>
+        /// Node has fixed size defined and should not use automatic layout.
+        /// </summary>
+        FixedSize = 4096,
+
         /// <summary>
         /// Node can be used in the all visual graphs.
         /// </summary>

Source/Editor/Surface/SurfaceNode.cs

@@ -348,10 +348,8 @@ namespace FlaxEditor.Surface
             if (element is Control control)
                 AddChild(control);
 
-            if (!Archetype.UseFixedSize)
-                ResizeAuto();
-            else
-                Resize(Archetype.Size.X, Archetype.Size.Y);
+            if (!IsLayoutLocked)
+                UpdateSize();
         }
 
         /// <summary>
@@ -912,6 +910,14 @@ namespace FlaxEditor.Surface
             return sb.ToString();
         }
 
+        private void UpdateSize()
+        {
+            if (Archetype.Flags.HasFlag(NodeFlags.FixedSize))
+                Resize(Archetype.Size.X, Archetype.Size.Y);
+            else
+                ResizeAuto();
+        }
+
         /// <inheritdoc />
         protected override bool ShowTooltip => base.ShowTooltip && _headerRect.Contains(ref _mousePosition) && !Surface.IsLeftMouseButtonDown && !Surface.IsRightMouseButtonDown && !Surface.IsPrimaryMenuOpened;
 
@@ -965,10 +971,7 @@ namespace FlaxEditor.Surface
                     box.OnConnectionsChanged();
             }
 
-            if (!Archetype.UseFixedSize)
-                ResizeAuto();
-            else
-                Resize(Archetype.Size.X, Archetype.Size.Y);
+            UpdateSize();
         }
 
         /// <inheritdoc />
@@ -1007,10 +1010,7 @@ namespace FlaxEditor.Surface
 
             _isDuringValuesEditing = false;
 
-            if (!Archetype.UseFixedSize)
-                ResizeAuto();
-            else
-                Resize(Archetype.Size.X, Archetype.Size.Y);
+            UpdateSize();
         }
 
         /// <summary>
@@ -1046,10 +1046,7 @@ namespace FlaxEditor.Surface
 
             _isDuringValuesEditing = false;
 
-            if (!Archetype.UseFixedSize)
-                ResizeAuto();
-            else
-                Resize(Archetype.Size.X, Archetype.Size.Y);
+            UpdateSize();
         }
 
         internal void SetIsDuringValuesEditing(bool value)
@@ -1082,10 +1079,7 @@ namespace FlaxEditor.Surface
         public virtual void ConnectionTick(Box box)
         {
             UpdateBoxesTypes();
-            if (!Archetype.UseFixedSize)
-                ResizeAuto();
-            else
-                Resize(Archetype.Size.X, Archetype.Size.Y);
+            UpdateSize();
         }
 
         /// <inheritdoc />