Fixed Versioning

Editor/Scripts/Editor/Nodes/Base/RangeProperty.cs

@@ -1,5 +1,10 @@
 using System;
+#if UNITY_2022_1_OR_NEWER
 using UnityEngine.UIElements;
+#else
+using UnityEditor.UIElements;
+#endif
+
 
 namespace ImageProcessingGraph.Editor
 {
@@ -13,11 +18,12 @@ namespace ImageProcessingGraph.Editor
             
         }
     }
-
+    
     public class GreyscaleField : IntegerField
     {
         public (int, int) minMax = (0,255);
     }
     
     
+    
 }

Editor/Scripts/Editor/Nodes/Types/Image/Utilities/ViewNode/ViewImageNode.cs

@@ -6,7 +6,7 @@ using Unity.Burst;
 
 namespace ImageProcessingGraph.Editor.Nodes.Types.Image.Utilities.ViewNode
 {
-    [NodeInfo("View Texture", "Utility/View Texture", false, null ,typeof(ViewTextureNodeEditor))]
+    [NodeInfo("View Texture", "Utility/View Texture", false, null , editorType: typeof(ViewTextureNodeEditor))]
     public partial class ViewTextureNode : BaseImageNode
     {
         [NodeAttributes.Input("Texture")] public Texture2D texture;

Editor/Scripts/Editor/Windows/ImageProcessingGraphNodeVisual.cs

@@ -312,7 +312,19 @@ namespace ImageProcessingGraph.Editor.Unity_Image_Processing.Scripts.Editor.Wind
             // Add more types as needed
             return null;
         }
-        
+
+        public override void BuildContextualMenu(ContextualMenuPopulateEvent evt)
+        {
+            evt.menu.InsertAction(evt.menu.MenuItems().Count, "Open Documentation", OpenDocumentation);
+            evt.menu.AppendSeparator();
+            base.BuildContextualMenu(evt);
+        }
+
+        private void OpenDocumentation(DropdownMenuAction obj)
+        {
+            
+        }
+
         public void SavePosition() => graphNode.SetPosition(GetPosition());
     }
 }

Editor/Scripts/Editor/Windows/ImageProcessingGraphViewWindow.cs

@@ -72,20 +72,16 @@ namespace ImageProcessingGraph.Editor
             
             DrawNodes();
             DrawConnections();
-
-            foreach (var conn in asset.Connections)
-            {
-                if (conn.internalEdge == null)
-                {
-                    
-                }
-                
-                //GetNode(conn.inputPort.nodeID).ToggleExposedVariable(conn.internalEdge.input, true);
-                
-            }
-
+            
             graphViewChanged += OnGraphViewChanged;
-            Undo.undoRedoEvent += UndoEvent;
+            
+            Undo.undoRedoPerformed += UndoRedoPerformed;
+        }
+        
+        private void UndoRedoPerformed()
+        {
+            DrawNodes();
+            DrawConnections();
         }
 
         private void CreateButtons()
@@ -237,12 +233,6 @@ namespace ImageProcessingGraph.Editor
             return compatiblePorts;
         }
 
-        private void UndoEvent(in UndoRedoInfo undo)
-        {
-            DrawNodes();
-            DrawConnections();
-        }
-
         private GraphViewChange OnGraphViewChanged(GraphViewChange graphviewchange)
         {
             

README.md

@@ -6,9 +6,11 @@ A tool for applying image transformations and effects using a graph-based node s
 
 - **Tested on:**
     - Unity 2022.3.50f1
+    - Unity 2021.3.16f1
     - Unity 6000.0.19f1 (Unity 6)
 
 - **Supported versions:**
+    - Unity 2021.3
     - Unity 2022.0
     - Unity 2023.0
     - Unity 6000.0

package.json

@@ -1,9 +1,9 @@
 {
   "name": "com.chromium.imageprocessingrah",
-  "version": "0.0.0",
+  "version": "0.0.1",
   "displayName": "Image Processing Graph",
   "description": "Stuffs",
-  "unity": "2022.3",
+  "unity": "2021.3",
   "dependencies": {
     "com.unity.burst": "1.8.17"
   },