Initials

Library/PackageCache/com.unity.shadergraph@aa24902485b0/Editor/Data/Interfaces/Graph/INode.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using UnityEditor.ShaderGraph;
+
+namespace UnityEditor.Graphing
+{
+    enum ModificationScope
+    {
+        Nothing = 0,
+        Node = 1,
+        Graph = 2,
+        Topological = 3,
+        Layout = 4
+    }
+
+    delegate void OnNodeModified(AbstractMaterialNode node, ModificationScope scope);
+
+    static class NodeExtensions
+    {
+        public static IEnumerable<T> GetSlots<T>(this AbstractMaterialNode node) where T : MaterialSlot
+        {
+            var slots = new List<T>();
+            node.GetSlots(slots);
+            return slots;
+        }
+
+        public static IEnumerable<T> GetInputSlots<T>(this AbstractMaterialNode node) where T : MaterialSlot
+        {
+            var slots = new List<T>();
+            node.GetInputSlots(slots);
+            return slots;
+        }
+
+        public static IEnumerable<T> GetInputSlots<T>(this AbstractMaterialNode node, MaterialSlot startingSlot) where T : MaterialSlot
+        {
+            var slots = new List<T>();
+            node.GetInputSlots(startingSlot, slots);
+            return slots;
+        }
+
+        public static IEnumerable<T> GetOutputSlots<T>(this AbstractMaterialNode node) where T : MaterialSlot
+        {
+            var slots = new List<T>();
+            node.GetOutputSlots(slots);
+            return slots;
+        }
+
+        public static IEnumerable<T> GetOutputSlots<T>(this AbstractMaterialNode node, MaterialSlot startingSlot) where T : MaterialSlot
+        {
+            var slots = new List<T>();
+            node.GetOutputSlots(startingSlot, slots);
+            return slots;
+        }
+    }
+}