Added more nodes to LogicToy, improved editor code

Examples/LogicToy.meta

@@ -0,0 +1,8 @@
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Examples/LogicToy/Editor/LogicGraphEditor.cs

@@ -8,9 +8,18 @@ using XNode.Examples.LogicToy;
 namespace XNodeEditor.Examples.LogicToy {
 	[CustomNodeGraphEditor(typeof(LogicGraph))]
 	public class LogicGraphEditor : NodeGraphEditor {
-		private class NoodleTimer {
+		readonly Color boolColor = new Color(0.1f, 0.6f, 0.6f);
-			public NodePort output, input;
+		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> 
@@ -26,16 +35,56 @@ namespace XNodeEditor.Examples.LogicToy {
 		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 Color GetNoodleColor(NodePort output, NodePort input) {
 			LogicNode node = output.node as LogicNode;
-			LogicNodeEditor nodeEditor = NodeEditor.GetEditor(node, window) as LogicNodeEditor;
 			Color baseColor = base.GetNoodleColor(output, input);
 
-			float t = (float) (EditorApplication.timeSinceStartup - nodeEditor.lastOnTime);
+			return GetLerpColor(baseColor, Color.yellow, output, (bool) node.GetValue(output));
-			t *= 2f;
+		}
-			return Color.Lerp(Color.yellow, baseColor, t);
+
+		/// <summary> Controls graph type colors </summary>
+		public override Color GetTypeColor(System.Type type) {
+			if (type == typeof(bool)) return boolColor;
+			else return 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) (EditorApplication.timeSinceStartup - lastOnTime);
+				t *= 8f;
+				if (t < 1) return Color.Lerp(on, off, t);
+				else return off;
+			}
 		}
 	}
 }

Examples/LogicToy/Editor/LogicNodeEditor.cs

@@ -1,17 +1,19 @@
 using UnityEditor;
 using UnityEngine;
+using XNode;
 using XNode.Examples.LogicToy;
 
 namespace XNodeEditor.Examples.LogicToy {
 	[CustomNodeEditor(typeof(LogicNode))]
 	public class LogicNodeEditor : NodeEditor {
 		private LogicNode node;
-		public double lastOnTime;
+		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();
@@ -19,16 +21,7 @@ namespace XNodeEditor.Examples.LogicToy {
 			dotRect.size = new Vector2(16, 16);
 			dotRect.y += 6;
 
-			if (node.on) {
+			GUI.color = graphEditor.GetLerpColor(Color.red, Color.green, node, node.led);
-				GUI.color = Color.green;
-				lastOnTime = EditorApplication.timeSinceStartup;
-			} else {
-				float t = (float) (EditorApplication.timeSinceStartup - lastOnTime);
-				t *= 2f;
-				if (t < 1) {
-					GUI.color = Color.Lerp(Color.green, Color.red, t);
-				} else GUI.color = Color.red;
-			}
 			GUI.DrawTexture(dotRect, NodeEditorResources.dot);
 			GUI.color = Color.white;
 		}

Examples/LogicToy/Editor/PulseNodeEditor.cs

@@ -1,27 +0,0 @@
-using UnityEditor;
-using UnityEngine;
-using XNode.Examples.LogicToy;
-
-namespace XNodeEditor.Examples.LogicToy {
-	[CustomNodeEditor(typeof(PulseNode))]
-	public class PulseNodeEditor : LogicNodeEditor {
-		private PulseNode node;
-
-		public override void OnBodyGUI() {
-			// Initialization
-			if (node == null) {
-				node = target as PulseNode;
-				lastOnTime = EditorApplication.timeSinceStartup;
-			}
-
-			// Timer
-			if (EditorApplication.timeSinceStartup - lastOnTime > node.interval) {
-				lastOnTime = EditorApplication.timeSinceStartup;
-				node.FirePulse();
-			}
-
-			// Basic GUI
-			base.OnBodyGUI();
-		}
-	}
-}

Examples/LogicToy/Example.asset

@@ -14,9 +14,11 @@ MonoBehaviour:
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Examples/LogicToy/ITimerTick.cs

@@ -0,0 +1,5 @@
+namespace XNode.Examples.LogicToy {
+	public interface ITimerTick {
+		void Tick(float timeDelta);
+	}
+}

Examples/LogicToy/ITimerTick.cs.meta

@@ -1,5 +1,5 @@
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Examples/LogicToy/Nodes/AndNode.cs

@@ -0,0 +1,25 @@
+using System.Linq;
+using UnityEngine;
+
+namespace XNode.Examples.LogicToy {
+	[NodeWidth(140)]
+	public class AndNode : LogicNode {
+		[Input] public bool input;
+		[Output] public bool output;
+		public override bool led { get { return output; } }
+
+		protected override void OnInputChanged() {
+			bool newInput = GetPort("input").GetInputValues<bool>().All(x => x);
+
+			if (input != newInput) {
+				input = newInput;
+				output = newInput;
+				SendSignal(GetPort("output"));
+			}
+		}
+
+		public override object GetValue(NodePort port) {
+			return output;
+		}
+	}
+}

Examples/LogicToy/Nodes/AndNode.cs.meta

@@ -0,0 +1,11 @@
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Examples/LogicToy/Nodes/LogicNode.cs

@@ -1,22 +1,31 @@
-namespace XNode.Examples.LogicToy {
+using System;
+using UnityEngine;
+
+namespace XNode.Examples.LogicToy {
 	/// <summary> Base node for the LogicToy system </summary>
 	public abstract class LogicNode : Node {
-		public abstract bool on { get; }
+		public Action onStateChange;
+		public abstract bool led { get; }
 
-		protected abstract void OnTrigger();
+		public void SendSignal(NodePort output) {
-
-		public void SendPulse(NodePort port) {
 			// Loop through port connections
-			int connectionCount = port.ConnectionCount;
+			int connectionCount = output.ConnectionCount;
 			for (int i = 0; i < connectionCount; i++) {
-				NodePort connectedPort = port.GetConnection(i);
+				NodePort connectedPort = output.GetConnection(i);
 
 				// Get connected ports logic node
-				LogicNode logicNode = connectedPort.node as LogicNode;
+				LogicNode connectedNode = connectedPort.node as LogicNode;
 
 				// Trigger it
-				if (logicNode != null) logicNode.OnTrigger();
+				if (connectedNode != null) connectedNode.OnInputChanged();
-			}
+			}
+			if (onStateChange != null) onStateChange();
+		}
+
+		protected abstract void OnInputChanged();
+
+		public override void OnCreateConnection(NodePort from, NodePort to) {
+			OnInputChanged();
 		}
 	}
 }

Examples/LogicToy/Nodes/NotNode.cs

@@ -0,0 +1,25 @@
+using System.Linq;
+using UnityEngine;
+
+namespace XNode.Examples.LogicToy {
+	[NodeWidth(140)]
+	public class NotNode : LogicNode {
+		[Input] public bool input;
+		[Output] public bool output = true;
+		public override bool led { get { return output; } }
+
+		protected override void OnInputChanged() {
+			bool newInput = GetPort("input").GetInputValues<bool>().Any(x => x);
+
+			if (input != newInput) {
+				input = newInput;
+				output = !newInput;
+				SendSignal(GetPort("output"));
+			}
+		}
+
+		public override object GetValue(NodePort port) {
+			return output;
+		}
+	}
+}

Examples/LogicToy/Nodes/NotNode.cs.meta

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Examples/LogicToy/Nodes/PulseNode.cs

@@ -1,16 +1,31 @@
-namespace XNode.Examples.LogicToy {
+using UnityEngine;
+
+namespace XNode.Examples.LogicToy {
 	[NodeWidth(140)]
-	public class PulseNode : LogicNode {
+	public class PulseNode : LogicNode, ITimerTick {
 		public float interval = 1f;
-		[Output] public LogicNode output;
+		[Output] public bool output;
-		public override bool on { get { return false; } }
+		public override bool led { get { return output; } }
 
-		/// <summary> Called from editor </summary>
+		private float timer;
-		public void FirePulse() {
+
-			SendPulse(GetPort("output"));
+		public void Tick(float deltaTime) {
+			timer += deltaTime;
+			if (!output && timer > interval) {
+				timer -= interval;
+				output = true;
+				SendSignal(GetPort("output"));
+			} else if (output) {
+				output = false;
+				SendSignal(GetPort("output"));
+			}
 		}
 
-		/// <summary> This node has no inputs, so this does nothing </summary>
+		/// <summary> This node can not receive signals, so this is not used </summary>
-		protected override void OnTrigger() { }
+		protected override void OnInputChanged() { }
+
+		public override object GetValue(NodePort port) {
+			return output;
+		}
 	}
 }

Examples/LogicToy/Nodes/ToggleNode.cs

@@ -1,17 +1,27 @@
-using UnityEngine;
+using System.Linq;
+using UnityEngine;
 
 namespace XNode.Examples.LogicToy {
 	[NodeWidth(140)]
 	public class ToggleNode : LogicNode {
-		private bool _on;
+		[Input] public bool input;
-		[Input] public LogicNode input;
+		[Output] public bool output;
-		[Output] public LogicNode output;
+		public override bool led { get { return output; } }
-		public override bool on { get { return _on; } }
 
-		/// <summary> This node has no inputs, so this does nothing </summary>
+		protected override void OnInputChanged() {
-		protected override void OnTrigger() {
+			bool newInput = GetPort("input").GetInputValues<bool>().Any(x => x);
-			_on = !_on;
+
-			if (on) SendPulse(GetPort("output"));
+			if (!input && newInput) {
+				input = newInput;
+				output = !output;
+				SendSignal(GetPort("output"));
+			} else if (input && !newInput) {
+				input = newInput;
+			}
+		}
+
+		public override object GetValue(NodePort port) {
+			return output;
 		}
 	}
 }