port from perforce

2026-04-18 22:31:51 +02:00
commit 8d0ab5b7cc
8409 changed files with 3972376 additions and 0 deletions
--- a/intromat/Intromat/Nodes/Meshes/DxMeshNodeBase.cs
+++ b/intromat/Intromat/Nodes/Meshes/DxMeshNodeBase.cs
@@ -0,0 +1,97 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Reactive.Linq;
+using DynamicData;
+using Intromat.Graphics;
+using Intromat.Model.Compiler;
+using Intromat.Nodes.Code;
+using Intromat.Nodes.Meshes;
+using Intromat.PersistentModel;
+using Intromat.ViewModels;
+using Intromat.ViewModels.Editors;
+using Intromat.ViewModels.Previews;
+using NodeNetwork.Toolkit.ValueNode;
+using NodeNetwork.ViewModels;
+using ReactiveUI;
+using SharpDX.Direct3D11;
+using SharpDX.DXGI;
+using Splat;
+using Xceed.Wpf.Toolkit.PropertyGrid.Attributes;
+using Device = SharpDX.Direct3D11.Device;
+
+namespace Intromat.Nodes.Meshs
+{
+    [CategoryOrder("Mesh", 0)]
+    public abstract class DxMeshNodeBase : DxNodeBase
+    {
+        protected MeshValue? _output;
+        protected bool _resourcesCreated;
+
+        protected DxMeshNodeBase()
+        {
+            var meshGroup = new EndpointGroup("Mesh");
+            Outputs.Add(Output = new CodeGenOutputViewModel<MeshValue?>(EPortType.Mesh)
+            {
+                Name = "Output",
+                Group = meshGroup
+            });
+
+            var dxHost = Locator.Current.GetService<DxHost>()!;
+            Output.Value = this
+                .WhenAnyObservable(vm => vm.ParentChanged, vm => vm.AnyInputChanged, (parent, _) => parent)
+                .Where(parent => parent != null)
+                .Throttle(TimeSpan.FromMilliseconds(1))
+                .ObserveOn(dxHost.RenderDispatcher)
+                .Do(_ => { UpdateFrame(dxHost.Device, dxHost.Device.ImmediateContext); })
+                .Select(_ => new MeshValue(_output!));
+
+            var dxMeshPreviewViewModel = new DxMeshPreviewViewModel(this, Output.Value);
+            Preview = dxMeshPreviewViewModel;
+        }
+
+        [MemberNotNull(nameof(_output))]
+        protected bool EnsureBuffers(Device device)
+        {
+            return EnsureMesh(device, ref _output);
+        }
+
+        protected bool EnsureMesh(Device device, [NotNull] ref MeshValue? meshValue)
+        {
+            meshValue = null!;
+            //if (false) // TODO: changed
+            //{
+            //    return true;
+            //}
+
+            return false;
+        }
+
+        protected virtual void UpdateFrame(Device device, DeviceContext deviceContext)
+        {
+            if (!_resourcesCreated)
+            {
+                _resourcesCreated = true;
+                CreateDeviceResources(device);
+            }
+            EnsureBuffers(device);
+        }
+
+        protected virtual void CreateDeviceResources(Device device)
+        {
+        }
+
+        public override void SaveModel(NodeModelBase model)
+        {
+            base.SaveModel(model);
+            var meshModel = (DxMeshModelBase)model;
+        }
+
+        public override void LoadModel(NodeModelBase model)
+        {
+            base.LoadModel(model);
+            var meshModel = (DxMeshModelBase)model;
+        }
+
+        public ValueNodeOutputViewModel<MeshValue?> Output { get; }
+    }
+}