1 files changed, 128 insertions, 0 deletions
diff --git a/Runtime/Graphs/UnityEngine.Graphs/LogicNodeLibrary/Collections/CollectionsNodes.cs b/Runtime/Graphs/UnityEngine.Graphs/LogicNodeLibrary/Collections/CollectionsNodes.cs
new file mode 100644
index 0000000..f585bc0
--- /dev/null
+++ b/Runtime/Graphs/UnityEngine.Graphs/LogicNodeLibrary/Collections/CollectionsNodes.cs
@@ -0,0 +1,128 @@
+using System;
+using System.Collections.Generic;
+
+namespace UnityEngine.Graphs.LogicGraph
+{
+	public class CollectionsNodes
+	{
+		public enum IteratorIn { Reset, Next }
+		public delegate void IteratorOut<T> (T element, int index);
+		public delegate void IteratorElementOut<T>(T element);
+
+		[Logic(null, typeof(IteratorIn), typeof(int))]
+		[Title("Collections/Iterator")]
+		public static void Iterator<T> (IteratorIn input, [DefaultValue(-1)] ref int index, List<T> collection, IteratorOut<T> resetOut, IteratorOut<T> iteration, IteratorOut<T> done)
+		{
+			if (input == IteratorIn.Reset)
+			{
+				index = -1;
+				if (resetOut != null) resetOut (default(T), index);
+				return;
+			}
+
+			if (++index >= collection.Count)
+			{
+				if (done != null) done (default (T), index);
+			}
+			else
+			{
+				if (iteration != null) iteration (collection[index], index);
+				if (index + 1 >= collection.Count)
+					if (done != null) done (default (T), index);
+			}
+		}
+
+		[Logic]
+		[Title("Collections/IterateAll")]
+		public static void IterateAll<T> (List<T> collection, IteratorOut<T> iteration, IteratorOut<T> done)
+		{
+			for (int index = 0; index < collection.Count; ++index)
+				if (iteration != null) iteration (collection[index], index);
+
+			if (done != null) done (default (T), collection.Count - 1);
+		}
+
+		[Logic]
+		[Title("Collections/Add")]
+		public static void Add<T> (List<T> collection, T objectToAdd)
+		{
+			collection.Add (objectToAdd);
+		}
+
+		[Logic]
+		[Title("Collections/Insert")]
+		public static void Insert<T> (List<T> collection, T objectToAdd, int index)
+		{
+			collection.Insert (index, objectToAdd);
+		}
+
+		[Logic]
+		[Title("Collections/GetElementAt")]
+		public static void GetElementAt<T>(List<T> collection, int index, IteratorElementOut<T> success, IteratorElementOut<T> notPresent)
+		{
+			if (index < 0 || collection.Count <= index)
+			{
+				if (notPresent != null)
+					notPresent ((T) (typeof (T).IsValueType ? Activator.CreateInstance (typeof (T)) : null));
+			}
+			else
+				if (success != null)
+					success(collection[index]);
+		}
+
+		[Logic]
+		[Title("Collections/SetElementAt")]
+		public static void SetElementAt<T>(List<T> collection, T element, int index, Action success, Action notPresent)
+		{
+			if (index < 0 || collection.Count <= index)
+			{
+				if (notPresent != null)
+					notPresent();
+			}
+			else
+			{
+				collection[index] = element;
+
+				if (success != null)
+					success ();
+			}
+		}
+
+		[Logic]
+		[Title("Collections/Contains")]
+		public static void Contains<T> (List<T> collection, T objectToTest, Action present, Action notPresent)
+		{
+			if (collection.Contains (objectToTest))
+			{
+				if (present != null) present ();
+			}
+			else if (notPresent != null) notPresent ();
+		}
+
+		[Logic]
+		[Title("Collections/Remove")]
+		public static void Remove<T> (List<T> collection, T objectToRemove, Action removed, Action notPresent)
+		{
+			if (collection.Remove (objectToRemove))
+			{
+				if (removed != null) removed ();
+			}
+			else if (notPresent != null) notPresent ();
+		}
+
+		[Logic]
+		[Title("Collections/RemoveAt")]
+		public static void RemoveAt<T> (List<T> collection, int index)
+		{
+			collection.RemoveAt (index);
+		}
+
+		[Logic]
+		[Title("Collections/Clear")]
+		public static void Clear<T> (List<T> collection)
+		{
+			collection.Clear ();
+		}
+	}
+}
+