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Samples~/Examples/ConditionalGraph.asset

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Samples~/Examples/ConditionalGraph/Comparison.cs

@@ -0,0 +1,39 @@
+using GraphProcessor;
+using UnityEngine.Rendering;
+
+namespace NodeGraphProcessor.Examples
+{
+	[System.Serializable, NodeMenuItem("Conditional/Comparison")]
+	public class Comparison : BaseNode
+	{
+		[Input(name = "In A")]
+		public float    inA;
+
+		[Input(name = "In B")]
+		public float    inB;
+
+		[Output(name = "Out")]
+		public bool		compared;
+
+		public CompareFunction		compareFunction = CompareFunction.LessEqual;
+
+		public override string		name => "Comparison";
+
+		protected override void Process()
+		{
+			switch (compareFunction)
+			{
+				default:
+				case CompareFunction.Disabled:
+				case CompareFunction.Never: compared = false; break;
+				case CompareFunction.Always: compared = true; break;
+				case CompareFunction.Equal: compared = inA == inB; break;
+				case CompareFunction.Greater: compared = inA > inB; break;
+				case CompareFunction.GreaterEqual: compared = inA >= inB; break;
+				case CompareFunction.Less: compared = inA < inB; break;
+				case CompareFunction.LessEqual: compared = inA <= inB; break;
+				case CompareFunction.NotEqual: compared = inA != inB; break;
+			}
+		}
+	}
+}

Samples~/Examples/ConditionalGraph/ConditionalLink.cs

@@ -0,0 +1,4 @@
+namespace NodeGraphProcessor.Examples
+{
+    public struct ConditionalLink {}
+}

Samples~/Examples/ConditionalGraph/ConditionalNode.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using GraphProcessor;
+using UnityEngine;
+
+namespace NodeGraphProcessor.Examples
+{
+	[System.Serializable]
+	/// <summary>
+	/// This is the base class for every node that is executed by the conditional processor, it takes an executed bool as input to 
+	/// </summary>
+	public abstract class ConditionalNode : BaseNode, IConditionalNode
+	{
+		// These booleans will controls wether or not the execution of the folowing nodes will be done or discarded.
+		[Input(name = "Executed", allowMultiple = true)]
+		public ConditionalLink	executed;
+
+		public abstract IEnumerable< ConditionalNode >	GetExecutedNodes();
+
+		// Assure that the executed field is always at the top of the node port section
+		public override FieldInfo[] GetNodeFields()
+		{
+			var fields = base.GetNodeFields();
+			Array.Sort(fields, (f1, f2) => f1.Name == nameof(executed) ? -1 : 1);
+			return fields;
+		}
+	}
+
+	[System.Serializable]
+	/// <summary>
+	/// This class represent a simple node which takes one event in parameter and pass it to the next node
+	/// </summary>
+	public abstract class LinearConditionalNode : ConditionalNode, IConditionalNode
+	{
+		[Output(name = "Executes")]
+		public ConditionalLink	executes;
+
+		public override IEnumerable< ConditionalNode >	GetExecutedNodes()
+		{
+			// Return all the nodes connected to the executes port
+			return outputPorts.FirstOrDefault(n => n.fieldName == nameof(executes))
+				.GetEdges().Select(e => e.inputNode as ConditionalNode);
+		}
+	}
+
+	[System.Serializable]
+	/// <summary>
+	/// This class represent a waitable node which invokes another node after a time/frame
+	/// </summary>
+	public abstract class WaitableNode : LinearConditionalNode
+	{
+		[Output(name = "Execute After")]
+		public ConditionalLink executeAfter;
+
+		protected void ProcessFinished()
+		{
+			onProcessFinished.Invoke(this);
+		}
+
+		[HideInInspector]
+		public Action<WaitableNode> onProcessFinished;
+
+		public IEnumerable< ConditionalNode > GetExecuteAfterNodes()
+		{
+			return outputPorts.FirstOrDefault(n => n.fieldName == nameof(executeAfter))
+			                  .GetEdges().Select(e => e.inputNode as ConditionalNode);
+		}
+	}
+}