Graph Penalty Setter for AStar

GraphPenaltySetter.cs

using UnityEngine;
using Pathfinding;

[Pathfinding.Util.Preserve]
public class GraphPenaltySetter : GridGraphRule
{
	public LayerMask _layerMask;
	public int penalty = 10000;
	
	public override void Register(GridGraphRules rules)
	{
		if (_layerMask.value == 0)
		{
			_layerMask = LayerMask.GetMask("Foreground");
		}

		rules.AddMainThreadPass(Pass.BeforeConnections, context => {
			var nodePositions = context.data.nodePositions;
			var nodePenalties = context.data.nodePenalties;
			GraphCollision gc = new GraphCollision();
			gc.use2D = context.graph.collision.use2D;
			gc.type = context.graph.collision.type;
			gc.collisionCheck = context.graph.collision.collisionCheck;
			gc.mask = _layerMask;
			gc.diameter = context.graph.collision.diameter;
			
			for (int i = 0; i < nodePositions.Length; i++)
			{
				if (!gc.Check(nodePenalties[i]))
				{
					nodePenalties[i] = (uint)penalty;
				}
			}
		});
	}
}

GraphPenaltySetterEditor.cs

using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
using System.Linq;
using Pathfinding;

[CustomGridGraphRuleEditor(typeof(GraphPenaltySetter), "Graph Penalty Setter")]
public class GraphPenaltySetterEditor : IGridGraphRuleEditor
{
	public void OnInspectorGUI (GridGraph graph, GridGraphRule rule)
	{
		var target = rule as GraphPenaltySetter;

		GUILayout.BeginHorizontal();
		target._layerMask = EditorGUILayoutx.LayerMaskField("", target._layerMask);
		target.penalty = EditorGUILayout.IntField(target.penalty);
		
		GUILayout.Space(5);
		GUILayout.EndHorizontal();
		
	}

	public void OnSceneGUI (GridGraph graph, GridGraphRule rule) { }
}