Fixed robot save mechanic to include nodes and their states.

Scripts/DSL/Nodes/ExploreNode.cs

@@ -7,6 +7,7 @@ public class ExploreNode : ProgramNode
 	public Vector3 startPosition;
 	public Vector3I targetPosition;
 	public List<Vector3> pathPoints;
+	public bool hasTargetPosition;
 
 	public ExploreNode()
 	{
@@ -16,7 +17,7 @@ public class ExploreNode : ProgramNode
 
 	public override NodeResult Execute(Robot robot, double delta)
 	{
-		if (pathPoints == null && !TrySelectTarget())
+		if (pathPoints == null && !hasTargetPosition && !TrySelectTarget())
 		{
 			lastExecutionMessage = "No tiles left to explore";
 			return NodeResult.SUCCESS;
@@ -52,6 +53,7 @@ public class ExploreNode : ProgramNode
 			);
 			if (!GameData.map[targetPosition.Y].tiles[targetPosition.X, targetPosition.Z].wasVisited)
 			{
+				hasTargetPosition = true;
 				return true;
 			}
 
@@ -94,6 +96,7 @@ public class ExploreNode : ProgramNode
 
 		lastExecutionMessage = "Current exploration finished";
 		pathPoints = null;
+		hasTargetPosition = false;
 		return NodeResult.RUNNING;
 	}
 
@@ -119,7 +122,8 @@ public class ExploreNode : ProgramNode
 	{
 		return new ExploreNode
 		{
-			targetPosition = targetPosition
+			targetPosition = targetPosition,
+			hasTargetPosition = hasTargetPosition
 		};
 	}
 
@@ -127,4 +131,27 @@ public class ExploreNode : ProgramNode
 	{
 		return $"Name: {DisplayText}";
 	}
+
+	public override NodeSaveData CreateSaveData()
+	{
+		NodeSaveData saveData = base.CreateSaveData();
+		saveData.TargetX = targetPosition.X;
+		saveData.TargetY = targetPosition.Y;
+		saveData.TargetZ = targetPosition.Z;
+		saveData.HasTargetPosition = hasTargetPosition || pathPoints != null;
+		return saveData;
+	}
+
+	public override void Load(NodeSaveData saveData)
+	{
+		base.Load(saveData);
+		hasTargetPosition = saveData.HasTargetPosition;
+		if (!hasTargetPosition) return;
+
+		targetPosition = new Vector3I(
+			saveData.TargetX,
+			saveData.TargetY,
+			saveData.TargetZ
+		);
+	}
 }