+node example

1 files changed, 91 insertions, 0 deletions

diff --git a/Other/NodeEditorExamples/Assets/UNEB/NodeConnection.cs b/Other/NodeEditorExamples/Assets/UNEB/NodeConnection.cs
new file mode 100644
index 00000000..40f4d6de
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/UNEB/NodeConnection.cs
@@ -0,0 +1,91 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace UNEB
+{
+    public abstract class NodeConnection : ScriptableObject
+    {
+        public static readonly Vector2 kMinSize = new Vector2(12f, 12f);
+        public static readonly Vector2 kMinHalfSize = kMinSize / 2f;
+
+        [HideInInspector]
+        public Rect bodyRect = new Rect(Vector2.zero, kMinSize);
+        
+        public System.Func<object> getValue;
+
+        public static System.Action<NodeConnection> OnConnectionCreated;
+
+        [SerializeField, HideInInspector]
+        protected Node parentNode;
+
+        void OnEnable()
+        {
+            hideFlags = HideFlags.HideInHierarchy;
+        }
+
+        public virtual void Init(Node parent)
+        {
+            name = "connection";
+            parentNode = parent;
+        }
+
+        /// <summary>
+        /// The node associated with this knob.
+        /// </summary>
+        public Node ParentNode
+        {
+            get { return parentNode; }
+        }
+
+        public abstract GUIStyle GetStyle();
+
+        public virtual void OnConnectionGUI(int order)
+        {
+            OnNameGUI();
+
+            // Position the knobs properly for the draw pass of the knobs in the editor.
+            float yPos = parentNode.HeaderTop + order * GetStyle().fixedHeight + Node.kKnobOffset;
+            bodyRect.center = new Vector2(GetNodeAnchor(), 0f);
+            bodyRect.y = yPos;
+        }
+
+        public virtual void OnNameGUI()
+        {
+            GUILayout.Label(Content, GetStyle());
+        }
+
+        private GUIContent _content;
+        private GUIContent Content
+        {
+            get
+            {
+                if (_content == null) {
+                    _content = new GUIContent(name);
+                }
+
+                return _content;
+            }
+        }
+
+        /// <summary>
+        /// What side of the node should the knob anchor to.
+        /// </summary>
+        /// <returns></returns>
+        public abstract float GetNodeAnchor();
+
+        /// <summary>
+        /// Attempts to get the value of the specified type.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <returns></returns>
+        public T GetValue<T>()
+        {
+            if (getValue != null) {
+                return (T)getValue();
+            }
+
+            return default(T);
+        }
+    }
+}
\ No newline at end of file