added: enemy target acquisition, better pathfinding, moved combat reference to unit

Assets/Scripts/Units/Graph Tasks/SetWanderingPath.cs

@@ -0,0 +1,64 @@
+using NodeCanvas.Framework;
+using ParadoxNotion.Design;
+using Pathfinding;
+using UnityEngine;
+
+
+namespace Reset.Units {
+
+	[Category("Reset/Pathfinding")]
+	[Description("Set the agent's current path to a wandering path.")]
+	public class SetWanderingPath : ActionTask<UnitPathfinding> {
+
+		//Use for initialization. This is called only once in the lifetime of the task.
+		//Return null if init was successfull. Return an error string otherwise
+		protected override string OnInit() {
+			return null;
+		}
+
+		//This is called once each time the task is enabled.
+		//Call EndAction() to mark the action as finished, either in success or failure.
+		//EndAction can be called from anywhere.
+		protected override void OnExecute(){
+			Enemy thisEnemy = agent.Unit as Enemy;
+			Vector3 pathTargetPos = agent.transform.position;
+
+			if (thisEnemy.relatedSpawner) {
+				pathTargetPos = thisEnemy.relatedSpawner.transform.position;
+			}
+
+			Vector3 randomizedDestination = new Vector3(
+				Random.Range(-thisEnemy.relatedSpawner.radius, thisEnemy.relatedSpawner.radius),
+				0f,
+				Random.Range(-thisEnemy.relatedSpawner.radius, thisEnemy.relatedSpawner.radius)
+			);
+
+			pathTargetPos += randomizedDestination;
+
+			agent.seeker.StartPath(agent.transform.position, pathTargetPos, OnPathComplete);
+			
+			EndAction(true);
+		}
+		
+		public void OnPathComplete(Path p){
+			if (!p.error) {
+				agent.AssignNewPath(p);
+			}
+		}
+
+		//Called once per frame while the action is active.
+		protected override void OnUpdate() {
+			
+		}
+
+		//Called when the task is disabled.
+		protected override void OnStop() {
+			
+		}
+
+		//Called when the task is paused.
+		protected override void OnPause() {
+			
+		}
+	}
+}