From cfcc21f8b9b48f099caac38c86e4dfece30b13e2 Mon Sep 17 00:00:00 2001
From: UweSilver <40294263+syutotyou@users.noreply.github.com>
Date: Sun, 13 Jun 2021 02:17:52 +0900
Subject: [PATCH 1/3] Update Core version

---
 Core | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core b/Core
index 25ce3d5c..7d0a334d 160000
--- a/Core
+++ b/Core
@@ -1 +1 @@
-Subproject commit 25ce3d5c9c52ebf89afe8a06b2226ef82512c8d0
+Subproject commit 7d0a334d75bb54f79dd37a30ae87b117750718ac

From 24023028f62a586451b3dbfb84a81d1ee8ef2d0c Mon Sep 17 00:00:00 2001
From: UweSilver <40294263+syutotyou@users.noreply.github.com>
Date: Wed, 8 Sep 2021 11:24:45 +0900
Subject: [PATCH 2/3] enable to load nodes from DLL

---
 NodeEditor/View/NodeTreeWindow.cs         | 49 ++++++++++++++++++++++-
 NodeEditor/ViewModel/NodeTreeViewModel.cs |  4 +-
 2 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/NodeEditor/View/NodeTreeWindow.cs b/NodeEditor/View/NodeTreeWindow.cs
index ee95b784..c02237d5 100644
--- a/NodeEditor/View/NodeTreeWindow.cs
+++ b/NodeEditor/View/NodeTreeWindow.cs
@@ -1,4 +1,6 @@
 using System;
+using System.Reflection;
+using System.Text;
 using System.Collections.Generic;
 using Altseed2.NodeEditor.ViewModel;
 
@@ -10,6 +12,8 @@ internal class NodeTreeWindow
         private readonly NodeTreeViewModel _viewModel;
         private readonly NodeEditorPane _pane = new NodeEditorPane("Node");
 
+        private List<Type> _userDefinedNodes = new();
+
         public NodeTreeWindow(IEditorPropertyAccessor accessor, NodeTreeViewModel viewModel)
         {
             _accessor = accessor;
@@ -28,11 +32,54 @@ public void Render()
                 RenderButton("Rectangle", _viewModel.CreateRectangleNode);
                 RenderButton("Triangle", _viewModel.CreateTriangleNode);
 
+                RenderUserDefinedNodeCreateButtons(_userDefinedNodes);
+
+                RenderButton("+", OpenDLL);
                 RenderNodeTree(Engine.GetNodes());
             });
         }
 
-        private void RenderButton(string label, Action action, bool onNewLine = false)
+        private void OpenDLL()
+        {
+            if (Engine.Tool.OpenDialog("dll", "") is { } path)
+            {
+                _userDefinedNodes = LoadDLL(path);
+            }
+        }
+
+        public List<Type> LoadDLL(string path)
+        {
+            List<Type> nodes = new();
+
+            var asm = Assembly.LoadFrom(path);
+            var typeinfo = asm.GetTypes();
+
+            foreach (var type in typeinfo)
+            {
+                if (type.IsSubclassOf(typeof(Node)))
+                {
+                    nodes.Add(type);
+                }
+            }
+
+            return nodes;
+        }
+
+        private void RenderUserDefinedNodeCreateButtons(List<Type> types)
+        {
+            foreach (var type in types)
+            {
+                RenderButton(type.Name, () => { CreateUserDefinedNode(type); });
+            }
+        }
+
+        private void CreateUserDefinedNode(Type type)
+        {
+            dynamic node = Activator.CreateInstance(type);
+            Engine.AddNode(node);
+        }
+
+        private void RenderButton(string label, Action action, bool onNewLine = true)
         {
             if (!onNewLine)
             {
diff --git a/NodeEditor/ViewModel/NodeTreeViewModel.cs b/NodeEditor/ViewModel/NodeTreeViewModel.cs
index af9d249a..71801772 100644
--- a/NodeEditor/ViewModel/NodeTreeViewModel.cs
+++ b/NodeEditor/ViewModel/NodeTreeViewModel.cs
@@ -1,4 +1,5 @@
-namespace Altseed2.NodeEditor.ViewModel
+
+namespace Altseed2.NodeEditor.ViewModel
 {
     internal sealed class NodeTreeViewModel
     {
@@ -32,6 +33,7 @@ public void CreateTriangleNode() => Engine.AddNode(new TriangleNode
             Point2 = new Vector2F(50, 50), Point3 = new Vector2F(100, 0)
         });
 
+
         public ToolTreeNodeFlags GetNodeStatus(Node node)
         {
             var flags = ToolTreeNodeFlags.OpenOnArrow;

From c8d3718b7fc68754f4dc1aa65c645872f6dd5064 Mon Sep 17 00:00:00 2001
From: UweSilver <40294263+syutotyou@users.noreply.github.com>
Date: Wed, 8 Sep 2021 11:41:12 +0900
Subject: [PATCH 3/3] fix

---
 NodeEditor/ViewModel/NodeTreeViewModel.cs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/NodeEditor/ViewModel/NodeTreeViewModel.cs b/NodeEditor/ViewModel/NodeTreeViewModel.cs
index 71801772..df1cdcfc 100644
--- a/NodeEditor/ViewModel/NodeTreeViewModel.cs
+++ b/NodeEditor/ViewModel/NodeTreeViewModel.cs
@@ -1,5 +1,4 @@
-
-namespace Altseed2.NodeEditor.ViewModel
+namespace Altseed2.NodeEditor.ViewModel
 {
     internal sealed class NodeTreeViewModel
     {