DYN-4224 / DYN-4225 Watch3d Updates (Persistent camera and node size between saves / Ignore Node preview state)

src/DynamoCore/Graph/Nodes/NodeModel.cs

@@ -2708,6 +2708,25 @@ internal void RequestValueUpdate(EngineController engine)
         /// <returns>Flag which indicates if geometry update has been scheduled</returns>
         public virtual bool RequestVisualUpdateAsync(IScheduler scheduler,
             EngineController engine, IRenderPackageFactory factory, bool forceUpdate = false)
+        {
+            return RequestVisualUpdateAsync(scheduler, engine, factory, forceUpdate, false);
+        }
+
+        /// <summary>
+        /// Call this method to asynchronously regenerate render package for
+        /// this node. This method accesses core properties of a NodeModel and
+        /// therefore is typically called on the main/UI thread.
+        /// </summary>
+        /// <param name="scheduler">An IScheduler on which the task will be scheduled.</param>
+        /// <param name="engine">The EngineController which will be used to get MirrorData for the node.</param>
+        /// <param name="factory">An IRenderPackageFactory which will be used to generate IRenderPackage objects.</param>
+        /// <param name="forceUpdate">Normally, render packages are only generated when the node's IsUpdated parameter is true.
+        /// By setting forceUpdate to true, the render packages will be updated.</param>
+        /// <param name="ignoreIsVisible">Normally, render packages are only generated when the node's IsVisible parameter is true.
+        /// By setting ignore to true, the render package will be updated.</param>
+        /// <returns>Flag which indicates if geometry update has been scheduled</returns>
+        public virtual bool RequestVisualUpdateAsync(IScheduler scheduler,
+            EngineController engine, IRenderPackageFactory factory, bool forceUpdate, bool ignoreIsVisible = false)
         {
             var initParams = new UpdateRenderPackageParams()
             {
@@ -2716,7 +2735,8 @@ public virtual bool RequestVisualUpdateAsync(IScheduler scheduler,
                 EngineController = engine,
                 DrawableIdMap = GetDrawableIdMap(),
                 PreviewIdentifierName = AstIdentifierForPreview.Name,
-                ForceUpdate = forceUpdate
+                ForceUpdate = forceUpdate,
+                IgnoreIsVisible = ignoreIsVisible
             };
 
             var task = new UpdateRenderPackageAsyncTask(scheduler);

src/DynamoCore/Graph/Nodes/NodeModelExtensions.cs

@@ -23,6 +23,16 @@ internal static void VisibleUpstreamNodes(this NodeModel node, List<NodeModel> g
             }
         }
 
+        /// <summary>
+        /// Provide the upstream nodes that are imediately connected.
+        /// </summary>
+        /// <param name="node"></param>
+        /// <returns></returns>
+        internal static HashSet<NodeModel> ImediateUpstreamNodes(this NodeModel node)
+        {
+            return node.InPorts.SelectMany(p => p.Connectors.Select(c => c.Start.Owner)).ToHashSet();
+        }
+
         internal static IEnumerable<NodeModel> UpstreamNodesMatchingPredicate(this NodeModel node, List<NodeModel> gathered, Predicate<NodeModel> match)
         {
             var upstream = node.InPorts.SelectMany(p => p.Connectors.Select(c => c.Start.Owner)).

src/DynamoCore/Scheduler/UpdateRenderPackageAsyncTask.cs

@@ -21,6 +21,10 @@ class UpdateRenderPackageParams
         internal IEnumerable<KeyValuePair<Guid, string>> DrawableIdMap { get; set; }
 
         internal bool ForceUpdate { get; set; }
+        /// <summary>
+        /// Set to true to ignore the preview state of the node
+        /// </summary>
+        internal bool IgnoreIsVisible { get; set; }
     }
 
     /// <summary>
@@ -88,9 +92,14 @@ internal bool Initialize(UpdateRenderPackageParams initParams)
             if (nodeModel.WasRenderPackageUpdatedAfterExecution && !initParams.ForceUpdate)
                 return false; // Not has not been updated at all.
 
-            // If a node is in either of the following states, then it will not 
-            // produce any geometric output. Bail after clearing the render packages.
-            if (nodeModel.IsInErrorState || !nodeModel.IsVisible)
+            // If a node is in an error state it won't produce any geometric output.
+            // Bail after clearing the render packages.
+            if (nodeModel.IsInErrorState)
+                return false;
+
+            // If a node is not set as visible and the override is not set to true then
+            // bail after clearing the render packages.
+            if (!nodeModel.IsVisible && initParams.IgnoreIsVisible == false)
                 return false;
 
             // Without AstIdentifierForPreview, a node cannot have MirrorData.

src/DynamoCoreWpf/DynamoCoreWpf.csproj

@@ -1446,6 +1446,11 @@
       <Project>{ccb6e56b-2da1-4eba-a1f9-e8510e129d12}</Project>
       <Name>VMDataBridge</Name>
     </ProjectReference>
+    <ProjectReference Include="..\Libraries\Watch3DNodeModels\Watch3DNodeModels.csproj">
+      <Project>{31183026-DE70-49CB-BC7C-0DFD0A088F62}</Project>
+      <Name>Watch3DNodeModels</Name>
+      <Private>False</Private>
+    </ProjectReference>
     <ProjectReference Include="..\NodeServices\DynamoServices.csproj">
       <Project>{ef879a10-041d-4c68-83e7-3192685f1bae}</Project>
       <Name>DynamoServices</Name>

src/DynamoCoreWpf/ViewModels/Watch3D/DefaultWatch3DViewModel.cs

@@ -8,6 +8,7 @@
 using System.Windows.Media;
 using System.Windows.Media.Media3D;
 using System.Xml;
+using CoreNodeModels;
 using Dynamo.Core;
 using Dynamo.Graph.Connectors;
 using Dynamo.Graph.Nodes;
@@ -610,6 +611,15 @@ protected virtual void OnRenderPackagesUpdated(NodeModel node, RenderPackageCach
             // If there is no attached model update for all render packages
             if (watchModel == null)
             {
+                //When Watch3D nodes are in canvas we need to ignore the Node.RenderPackageUpdate event in some cases.
+                //The background preview does not request tesselation for non-visible nodes or the Watch / Watch3D nodes.
+                //When these nodes are connected to a Watch3D, tesselation is requested and the Node.RenderPacakgeUpdate 
+                //event will be raised.  The background preview needs to filter out those tesselation events.
+                if (node.IsVisible == false || node is Watch || node is Watch3DNodeModels.Watch3D)
+                {
+                    return;
+                }
+
                 AddGeometryForRenderPackages(packages);
                 return;
             }

src/DynamoCoreWpf/ViewModels/Watch3D/HelixWatch3DViewModel.cs

@@ -1092,7 +1092,7 @@ private void OnSceneItemsChanged()
             OnRequestViewRefresh();
         }
 
-        private KeyValuePair<string, Element3D>[] FindAllGeometryModel3DsForNode(NodeModel node)
+        internal KeyValuePair<string, Element3D>[] FindAllGeometryModel3DsForNode(NodeModel node)
         {
             KeyValuePair<string, Element3D>[] geometryModels;
 
@@ -1118,7 +1118,7 @@ private KeyValuePair<string, Element3D>[] FindAllGeometryModel3DsForNode(string
             return geometryModels;
         }
 
-        private void SetGeometryFrozen(HashSet<NodeModel> gathered)
+        internal void SetGeometryFrozen(HashSet<NodeModel> gathered)
         {
 
             foreach (var node in gathered)

src/Libraries/Watch3DNodeModels/Watch3D.cs

@@ -122,8 +122,8 @@ internal void OnSerialized(XmlElement element)
             }
         }
 
-        public double WatchWidth { get; private set; }
-        public double WatchHeight { get; private set; }
+        public double WatchWidth { get; set; }
+        public double WatchHeight { get; set; }
         public bool WasExecuted { get; internal set; }
 
         public delegate void VoidHandler();
@@ -134,10 +134,7 @@ internal void OnSerialized(XmlElement element)
         private Watch3D(IEnumerable<PortModel> inPorts, IEnumerable<PortModel> outPorts) : base(inPorts, outPorts)
         {
             ArgumentLacing = LacingStrategy.Disabled;
-            WatchWidth = 200;
-            WatchHeight = 200;
             ShouldDisplayPreviewCore = false;
-            Camera = new Watch3DCamera();
         }
 
         public Watch3D()
@@ -211,7 +208,7 @@ public override IEnumerable<AssociativeNode> BuildOutputAst(List<AssociativeNode
         public Watch3DCamera Camera
         {
             get;
-            private set;
+            set;
         }
 
         #endregion

src/Libraries/Watch3DNodeModelsWpf/HelixWatch3DNodeViewModel.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
@@ -50,18 +50,23 @@ void watchNode_Deserialized(XmlNode obj)
 
         protected override void PortConnectedHandler(PortModel arg1, ConnectorModel arg2)
         {
-            UpdateUpstream();
+            if (arg1.PortType == PortType.Input && watchModel == arg1.Owner)
+            {
+                UpdateUpstream();
+            }
         }
 
         protected internal override void UpdateUpstream()
         {
             OnClear();
 
-            var gathered = new List<NodeModel>();
-            watchModel.VisibleUpstreamNodes(gathered);
+            var connectedNodes = watchModel.ImediateUpstreamNodes();
 
-            gathered.ForEach(n => n.WasRenderPackageUpdatedAfterExecution = false);
-            gathered.ForEach(n => n.RequestVisualUpdateAsync(scheduler, engineManager.EngineController, renderPackageFactory));
+            foreach(var n in connectedNodes)
+            {
+                n.WasRenderPackageUpdatedAfterExecution = false;
+                n.RequestVisualUpdateAsync(scheduler, engineManager.EngineController, renderPackageFactory, false, true);
+            }
         }
 
         protected override void OnModelPropertyChanged(object sender, PropertyChangedEventArgs e)
@@ -74,22 +79,54 @@ protected override void OnModelPropertyChanged(object sender, PropertyChangedEve
             }
         }
 
+        protected override void OnNodePropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            if (!(sender is NodeModel node))
+            {
+                return;
+            }
+
+            if (e.PropertyName == nameof(node.CachedValue))
+            {
+                var connecteNodes = watchModel.ImediateUpstreamNodes();
+                if (!connecteNodes.Contains(node))
+                {
+                    return;
+                }
+
+                node.RequestVisualUpdateAsync(scheduler, engineManager.EngineController, renderPackageFactory, true, true);
+            }
+
+            if (e.PropertyName == "IsFrozen")
+            {
+                if (!watchModel.UpstreamCache.Contains(node))
+                { 
+                    return;
+                }
+
+                var gathered = new HashSet<NodeModel>();
+                node.GetDownstreamNodes(node, gathered);
+                SetGeometryFrozen(gathered);
+            }
+
+            node.WasRenderPackageUpdatedAfterExecution = false;
+        }
+
         protected override void PortDisconnectedHandler(PortModel obj)
         {
-            OnClear();
+            if (obj.PortType == PortType.Input  && watchModel == obj.Owner)
+            {
+                OnClear();
+            }
         }
 
 
         protected override void OnRenderPackagesUpdated(NodeModel node,
             RenderPackageCache renderPackages)
         {
-            var updatedNode = dynamoModel.CurrentWorkspace.Nodes.FirstOrDefault(n => n.GUID == node.GUID);
-            if (updatedNode == null) return;
-
-            var visibleUpstream = new List<NodeModel>();
-            watchModel.VisibleUpstreamNodes(visibleUpstream);
+            var connectedNodes = watchModel.ImediateUpstreamNodes();
 
-            if (!visibleUpstream.Contains(updatedNode))
+            if (!connectedNodes.Contains(node))
             {
                 return;
             }

src/Libraries/Watch3DNodeModelsWpf/Watch3DNodeViewCustomization.cs

@@ -56,15 +56,26 @@ public void CustomizeView(Watch3D model, NodeView nodeView)
             watch3DViewModel.Setup(dynamoViewModel,
                 dynamoViewModel.RenderPackageFactoryViewModel.Factory);
 
-            if (model.initialCameraData != null)
+            if (model.Camera != null)
             {
                 try
                 {
-                    // The deserialization logic is unified between the view model and this node model.
-                    // For the node model, we need to supply the deserialization method with the camera node.
-                    var cameraNode = model.initialCameraData.ChildNodes.Cast<XmlNode>().FirstOrDefault(innerNode => innerNode.Name.Equals("camera", StringComparison.OrdinalIgnoreCase));
-                    var cameraData = watch3DViewModel.DeserializeCamera(cameraNode);
-                    watch3DViewModel.SetCameraData(cameraData);
+                    var camera = model.Camera;
+                    var camData = new CameraData
+                    {
+                        Name = camera.Name,
+                        EyeX = camera.EyeX,
+                        EyeY = camera.EyeY,
+                        EyeZ = camera.EyeZ,
+                        LookX = camera.LookX,
+                        LookY = camera.LookY,
+                        LookZ = camera.LookZ,
+                        UpX = camera.UpX,
+                        UpY = camera.UpY,
+                        UpZ = camera.UpZ
+                    };
+
+                    watch3DViewModel.SetCameraData(camData);
                 }
                 catch
                 {