From 49b25e755b70ec412feaaf0b898d6f7e09d2bea6 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 28 Jun 2022 09:40:37 +0800
Subject: +node example

---
 Other/NodeEditorExamples/Assets/UNEB/NodeGraph.cs | 57 +++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 Other/NodeEditorExamples/Assets/UNEB/NodeGraph.cs

(limited to 'Other/NodeEditorExamples/Assets/UNEB/NodeGraph.cs')

diff --git a/Other/NodeEditorExamples/Assets/UNEB/NodeGraph.cs b/Other/NodeEditorExamples/Assets/UNEB/NodeGraph.cs
new file mode 100644
index 00000000..e977e698
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/UNEB/NodeGraph.cs
@@ -0,0 +1,57 @@
+
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace UNEB
+{
+    /// <summary>
+    /// Represents a graph of nodes.
+    /// </summary>
+    public class NodeGraph : ScriptableObject
+    {
+        /// <summary>
+        /// The types of nodes accepted by the graph.
+        /// </summary>
+        public static HashSet<Type> nodeTypes = new HashSet<Type>();
+
+        [HideInInspector]
+        public List<Node> nodes = new List<Node>();
+
+        /// <summary>
+        /// Add a node to the graph.
+        /// It is recommended that the save manager adds the nodes.
+        /// </summary>
+        /// <param name="n"></param>
+        public void Add(Node n)
+        {
+            nodes.Add(n);
+        }
+
+        /// <summary>
+        /// Removes a node from the graph but it is not destroyed.
+        /// </summary>
+        /// <param name="node"></param>
+        public void Remove(Node node)
+        {
+            nodes.Remove(node);
+        }
+
+        /// <summary>
+        /// Put the node at the end of the node list.
+        /// </summary>
+        /// <param name="node"></param>
+        public void PushToEnd(Node node)
+        {
+            if (nodes.Remove(node)) {
+                nodes.Add(node);
+            }
+        }
+
+        /// <summary>
+        /// Gets called right before the graph is saved.
+        /// Can be used to setup things before saving like sorting nodes.
+        /// </summary>
+        public virtual void OnSave() { }
+    }
+}
\ No newline at end of file
-- 
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