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/NodeInput.cs | 114 ++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 Other/NodeEditorExamples/Assets/UNEB/NodeInput.cs

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

diff --git a/Other/NodeEditorExamples/Assets/UNEB/NodeInput.cs b/Other/NodeEditorExamples/Assets/UNEB/NodeInput.cs
new file mode 100644
index 00000000..fab62c10
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/UNEB/NodeInput.cs
@@ -0,0 +1,114 @@
+
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+
+namespace UNEB
+{
+    public class NodeInput : NodeConnection
+    {
+        [SerializeField]
+        private bool _bCanHaveMultipleConnections;
+
+        [SerializeField]
+        private List<NodeOutput> _outputs = new List<NodeOutput>();
+
+        private GUIStyle _style;
+
+        public virtual void Init(Node parent, bool multipleConnections = true)
+        {
+            base.Init(parent);
+            name = "input";
+            _bCanHaveMultipleConnections = multipleConnections;
+        }
+
+        /// <summary>
+        /// Should only be called by NodeOutput
+        /// </summary>
+        /// <param name="output"></param>
+        internal void Connect(NodeOutput output)
+        {
+            if (!_outputs.Contains(output))
+                _outputs.Add(output);
+        }
+
+        /// <summary>
+        /// Should only be called by NodeOutput.
+        /// </summary>
+        internal void Disconnect(NodeOutput output)
+        {
+            if (_outputs.Contains(output))
+                _outputs.Remove(output);
+        }
+
+        public bool HasOutputConnected()
+        {
+            return _outputs.Count > 0;
+        }
+
+        public void RemoveAll() {
+            // Cache the outputs since in order to disconnect them,
+            // they must be removed from _outputs List.
+            var outputs = new List<NodeOutput>(_outputs);
+
+            _outputs.Clear();
+
+            foreach (NodeOutput output in outputs) {
+                output.Remove(this);
+            }
+        }
+
+        public List<NodeOutput> Outputs
+        {
+            get { return _outputs; }
+        }
+
+        public int OutputCount
+        {
+            get { return _outputs.Count; }
+        }
+
+        public NodeOutput GetOutput(int index)
+        {
+            return _outputs[index];
+        }
+
+        public override GUIStyle GetStyle()
+        {
+            if (_style == null) {
+
+                _style = new GUIStyle();
+
+                _style.fixedHeight = kMinSize.y + Node.kKnobOffset;
+                _style.alignment = TextAnchor.MiddleLeft;
+                _style.normal.textColor = Color.white * 0.9f;
+                _style.padding.left = (int)kMinHalfSize.x + 5;
+            }
+
+            return _style;
+        }
+
+        /// <summary>
+        /// The input is anchored at the left side of the node.
+        /// </summary>
+        /// <returns></returns>
+        public override float GetNodeAnchor()
+        {
+            return parentNode.bodyRect.xMin;
+        }
+
+        public bool bCanHaveMultipleConnections
+        {
+            get { return _bCanHaveMultipleConnections; }
+        }
+
+        public static NodeInput Create(Node parent, bool multipleConnections = false)
+        {
+            var input = ScriptableObject.CreateInstance<NodeInput>();
+            input.Init(parent, multipleConnections);
+
+            NodeConnection.OnConnectionCreated(input);
+            return input;
+        }
+    }
+}
\ No newline at end of file
-- 
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