Added node highlight, fixed temporary load to include start node as well, fixed For-Condition

Scripts/UI/DSL/CodingWindow.cs

@@ -15,6 +15,7 @@ public partial class CodingWindow : PanelContainer
 
 	public System.Collections.Generic.Dictionary<ProgramNode, PackedScene> DSLNodes;
 	public NodeDisplay selectedNode;
+	public NodeDisplay highlightedNode;
 
 	public override void _Ready()
 	{
@@ -30,7 +31,7 @@ public partial class CodingWindow : PanelContainer
 		}
 	}
 
-    public override void _Process(double delta)
+	public override void _Process(double delta)
 	{
 		if (Input.IsActionJustPressed("delete_node"))
 		{
@@ -41,11 +42,63 @@ public partial class CodingWindow : PanelContainer
 			editorWindow.RemoveChild(selectedNode);
 			selectedNode.QueueFree();
 		}
+
+		if (robot != null && Visible && robot.isExecuting)
+		{
+			UpdateCurrentNode();
+		}
+	}
+
+	private void UpdateCurrentNode()
+	{
+		if (robot.currentNode == null)
+		{
+			ClearHighlightedNode();
+			return;
+		}
+
+		if (highlightedNode != null)
+		{
+			if (IsCurrentRuntimeNode(highlightedNode))
+			{
+				return;
+			}
+
+			ClearHighlightedNode();
+		}
+
+		foreach (Node child in editorWindow.GetChildren())
+		{
+			NodeDisplay nodeDisplay = child as NodeDisplay;
+			if (nodeDisplay == null) continue;
+
+			if (IsCurrentRuntimeNode(nodeDisplay))
+			{
+				nodeDisplay.SetHighlighted(true);
+				highlightedNode = nodeDisplay;
+				break;
+			}
+		}
+	}
+
+	private bool IsCurrentRuntimeNode(NodeDisplay nodeDisplay)
+	{
+		return robot.currentNode.EditorNodeId != null
+			&& robot.currentNode.EditorNodeId.Length > 0
+			&& nodeDisplay.Name.ToString() == robot.currentNode.EditorNodeId;
+	}
+
+	private void ClearHighlightedNode()
+	{
+		if (highlightedNode == null) return;
+
+		highlightedNode.SetHighlighted(false);
+		highlightedNode = null;
 	}
 
 	public void OnMapToggled(bool toggledOn)
 	{
-		if(robot == null) return;
+		if (robot == null) return;
 		robot.showOnMap = toggledOn;
 	}
 
@@ -133,6 +186,7 @@ public partial class CodingWindow : PanelContainer
 
 	public void ClearWindow()
 	{
+		ClearHighlightedNode();
 		DisconnectAllNodes();
 		RemoveEditorNodes();
 		scriptName.Text = "";
@@ -210,16 +264,18 @@ public partial class CodingWindow : PanelContainer
 	public void LoadTemporaryProgram()
 	{
 		if (robot == null) return;
-		if (robot.currentNode == null) return;
+		ProgramNode rootNode = robot.programStartNode ?? robot.currentNode;
+		if (rootNode == null) return;
 
 		RunningProgramGraphBuilder builder = new RunningProgramGraphBuilder(
 			DSLNodes,
 			AddLoadedNode,
 			ConnectNodes
 		);
-		builder.Load(robot.currentNode);
+		builder.Load(rootNode);
 
 		scriptName.Text = robot.currentProgram ?? "";
+		UpdateCurrentNode();
 	}
 
 	public void DeleteProgram()

Scripts/UI/DSL/NodeDisplay.cs

@@ -4,6 +4,7 @@ using Godot;
 public partial class NodeDisplay : GraphNode
 {
 	public ProgramNode node;
+	private bool isHighlighted = false;
 
 	public override void _Ready()
 	{
@@ -48,6 +49,14 @@ public partial class NodeDisplay : GraphNode
 
 	public virtual void ReadParameters() { }
 
+	public void SetHighlighted(bool highlighted)
+	{
+		if (isHighlighted == highlighted) return;
+
+		isHighlighted = highlighted;
+		SelfModulate = highlighted ? UIStyle.GetWarningColor() : Colors.White;
+	}
+
 	public HBoxContainer GetValueContainer()
 	{
 		return GetNode<HBoxContainer>("./Values");

Scripts/UI/DSL/RunningProgramGraphBuilder.cs

@@ -40,6 +40,10 @@ public class RunningProgramGraphBuilder
 			dslNodes
 		);
 		if (nodeDisplay == null) return null;
+		if (programNode.EditorNodeId != null && programNode.EditorNodeId.Length > 0)
+		{
+			nodeDisplay.Name = programNode.EditorNodeId;
+		}
 
 		addNode(nodeDisplay);
 		loadedNodes.Add(programNode, nodeDisplay);

Scripts/UI/DSL/ScriptGraphCompiler.cs

@@ -5,7 +5,7 @@ using System.Collections.Generic;
 public class ScriptGraphCompiler
 {
 	private readonly GraphEdit editorWindow;
-	private System.Collections.Generic.Dictionary<StringName, ProgramNode> availableNodes;
+	private System.Collections.Generic.Dictionary<StringName, ProgramNode> runtimeNodes;
 
 	public ScriptGraphCompiler(GraphEdit editorWindow)
 	{
@@ -22,7 +22,7 @@ public class ScriptGraphCompiler
 			return new List<ProgramNode>();
 		}
 
-		BuildAvailableNodeLookup();
+		BuildRuntimeNodeLookup();
 		return BuildScriptOrder(
 			startNode,
 			new List<ProgramNode>(),
@@ -30,9 +30,9 @@ public class ScriptGraphCompiler
 		);
 	}
 
-	private void BuildAvailableNodeLookup()
+	private void BuildRuntimeNodeLookup()
 	{
-		availableNodes = new System.Collections.Generic.Dictionary<StringName, ProgramNode>();
+		runtimeNodes = new System.Collections.Generic.Dictionary<StringName, ProgramNode>();
 
 		for (int i = 0; i < editorWindow.GetChildCount(); i++)
 		{
@@ -40,7 +40,10 @@ public class ScriptGraphCompiler
 			if (nodeDisplay == null) continue;
 
 			nodeDisplay.ReadParameters();
-			availableNodes.Add(nodeDisplay.Name, nodeDisplay.node);
+			runtimeNodes.Add(
+				nodeDisplay.Name,
+				nodeDisplay.node.DuplicateForRuntime(nodeDisplay.Name.ToString())
+			);
 		}
 	}
 
@@ -52,14 +55,16 @@ public class ScriptGraphCompiler
 	{
 		if (node == null) return program;
 		if (visitedNodes.Contains(node.Name)) return program;
+		if (!runtimeNodes.ContainsKey(node.Name)) return program;
 
 		visitedNodes.Add(node.Name);
-		program.Add(node.node);
+		ProgramNode runtimeNode = runtimeNodes[node.Name];
+		program.Add(runtimeNode);
 
 		List<Dictionary> nextConnections = GetOutgoingConnections(node);
 		if (nextConnections.Count <= 0) return program;
 
-		node.node.SetNextNode(nextConnections, availableNodes);
+		runtimeNode.SetNextNode(nextConnections, runtimeNodes);
 		foreach (Dictionary connection in nextConnections)
 		{
 			NodeDisplay nextNode = editorWindow.GetNodeOrNull<NodeDisplay>(