+node example

4 files changed, 178 insertions, 0 deletions

diff --git a/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicGraphEditor.cs b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicGraphEditor.cs
new file mode 100644
index 00000000..1ba88780
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicGraphEditor.cs
@@ -0,0 +1,111 @@
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+using XNode;
+using XNode.Examples.LogicToy;
+
+namespace XNodeEditor.Examples.LogicToy {
+	[CustomNodeGraphEditor(typeof(LogicGraph))]
+	public class LogicGraphEditor : NodeGraphEditor {
+		readonly Color boolColor = new Color(0.1f, 0.6f, 0.6f);
+		private List<ObjectLastOnTimer> lastOnTimers = new List<ObjectLastOnTimer>();
+		private double lastFrame;
+
+		/// <summary> Used for tracking when an arbitrary object was last 'on' for fading effects </summary>
+		private class ObjectLastOnTimer {
+			public object obj;
+			public double lastOnTime;
+
+			public ObjectLastOnTimer(object obj, bool on) {
+				this.obj = obj;
+			}
+		}
+
+		/// <summary> 
+		/// Overriding GetNodeMenuName lets you control if and how nodes are categorized.
+		/// In this example we are sorting out all node types that are not in the XNode.Examples namespace.
+		/// </summary>
+		public override string GetNodeMenuName(System.Type type) {
+			if (type.Namespace == "XNode.Examples.LogicToy") {
+				return base.GetNodeMenuName(type).Replace("X Node/Examples/Logic Toy/", "");
+			} else return null;
+		}
+
+		public override void OnGUI() {
+			// Repaint each frame
+			window.Repaint();
+
+			// Timer
+			if (Event.current.type == EventType.Repaint) {
+				for (int i = 0; i < target.nodes.Count; i++) {
+					ITimerTick timerTick = target.nodes[i] as ITimerTick;
+					if (timerTick != null) {
+						float deltaTime = (float) (EditorApplication.timeSinceStartup - lastFrame);
+						timerTick.Tick(deltaTime);
+					}
+				}
+			}
+			lastFrame = EditorApplication.timeSinceStartup;
+		}
+
+		/// <summary> Controls graph noodle colors </summary>
+		public override Gradient GetNoodleGradient(NodePort output, NodePort input) {
+			LogicNode node = output.node as LogicNode;
+			Gradient baseGradient = base.GetNoodleGradient(output, input);
+			HighlightGradient(baseGradient, Color.yellow, output, (bool) node.GetValue(output));
+			return baseGradient;
+		}
+
+		/// <summary> Controls graph type colors </summary>
+		public override Color GetTypeColor(System.Type type) {
+			if (type == typeof(bool)) return boolColor;
+			else return base.GetTypeColor(type);
+		}
+
+		/// <summary> Returns the time at which an arbitrary object was last 'on' </summary>
+		public double GetLastOnTime(object obj, bool high) {
+			ObjectLastOnTimer timer = lastOnTimers.FirstOrDefault(x => x.obj == obj);
+			if (timer == null) {
+				timer = new ObjectLastOnTimer(obj, high);
+				lastOnTimers.Add(timer);
+			}
+			if (high) timer.lastOnTime = EditorApplication.timeSinceStartup;
+			return timer.lastOnTime;
+		}
+
+		/// <summary> Returns a color based on if or when an arbitrary object was last 'on' </summary>
+		public Color GetLerpColor(Color off, Color on, object obj, bool high) {
+			double lastOnTime = GetLastOnTime(obj, high);
+
+			if (high) return on;
+			else {
+				float t = (float) (lastOnTime - EditorApplication.timeSinceStartup);
+				t *= 8f;
+				if (t > 0) return Color.Lerp(off, on, t);
+				else return off;
+			}
+		}
+
+		/// <summary> Returns a color based on if or when an arbitrary object was last 'on' </summary>
+		public void HighlightGradient(Gradient gradient, Color highlightColor, object obj, bool high) {
+			double lastOnTime = GetLastOnTime(obj, high);
+			float t;
+
+			if (high) t = 1f;
+			else {
+				t = (float) (lastOnTime - EditorApplication.timeSinceStartup);
+				t *= 8f;
+				t += 1;
+			}
+			t = Mathf.Clamp01(t);
+			GradientColorKey[] colorKeys = gradient.colorKeys;
+			for (int i = 0; i < colorKeys.Length; i++) {
+				GradientColorKey colorKey = colorKeys[i];
+				colorKey.color = Color.Lerp(colorKeys[i].color, highlightColor, t);
+				colorKeys[i] = colorKey;
+			}
+			gradient.SetKeys(colorKeys, gradient.alphaKeys);
+		}
+	}
+}
diff --git a/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicGraphEditor.cs.meta b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicGraphEditor.cs.meta
new file mode 100644
index 00000000..662c8e67
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicGraphEditor.cs.meta
@@ -0,0 +1,11 @@
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+guid: 6c9bb5ae9dee9af43a89fa0db3ed8de0
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+  serializedVersion: 2
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diff --git a/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicNodeEditor.cs b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicNodeEditor.cs
new file mode 100644
index 00000000..24a8d603
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicNodeEditor.cs
@@ -0,0 +1,45 @@
+using UnityEditor;
+using UnityEngine;
+using XNode;
+using XNode.Examples.LogicToy;
+
+namespace XNodeEditor.Examples.LogicToy {
+	[CustomNodeEditor(typeof(LogicNode))]
+	public class LogicNodeEditor : NodeEditor {
+		private LogicNode node;
+		private LogicGraphEditor graphEditor;
+
+		public override void OnHeaderGUI() {
+			// Initialization
+			if (node == null) {
+				node = target as LogicNode;
+				graphEditor = NodeGraphEditor.GetEditor(target.graph, window) as LogicGraphEditor;
+			}
+
+			base.OnHeaderGUI();
+			Rect dotRect = GUILayoutUtility.GetLastRect();
+			dotRect.size = new Vector2(16, 16);
+			dotRect.y += 6;
+
+			GUI.color = graphEditor.GetLerpColor(Color.red, Color.green, node, node.led);
+			GUI.DrawTexture(dotRect, NodeEditorResources.dot);
+			GUI.color = Color.white;
+		}
+
+		public override void OnBodyGUI() {
+			if (target == null) {
+				Debug.LogWarning("Null target node for node editor!");
+				return;
+			}
+			NodePort input = target.GetPort("input");
+			NodePort output = target.GetPort("output");
+
+			GUILayout.BeginHorizontal();
+			if (input != null) NodeEditorGUILayout.PortField(GUIContent.none, input, GUILayout.MinWidth(0));
+			if (output != null) NodeEditorGUILayout.PortField(GUIContent.none, output, GUILayout.MinWidth(0));
+			GUILayout.EndHorizontal();
+			EditorGUIUtility.labelWidth = 60;
+			base.OnBodyGUI();
+		}
+	}
+}
\ No newline at end of file
diff --git a/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicNodeEditor.cs.meta b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicNodeEditor.cs.meta
new file mode 100644
index 00000000..24a3edfa
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/LogicToy/Editor/LogicNodeEditor.cs.meta
@@ -0,0 +1,11 @@
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