update

Packages/com.arongranberg.astar/ExampleScenes~/Scenes/OldExamples/Example18_RTS/RTSHarvester.cs

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+using UnityEngine;
+using System.Collections;
+using System.Linq;
+using Pathfinding;
+using Pathfinding.Examples.RTS;
+
+namespace Pathfinding.Examples.RTS {
+	[HelpURL("https://arongranberg.com/astar/documentation/stable/rtsharvester.html")]
+	public class RTSHarvester : MonoBehaviour {
+		RTSUnit unit;
+		Animator animator;
+
+		void Awake () {
+			unit = GetComponent<RTSUnit>();
+			animator = GetComponent<Animator>();
+
+			ctx = new BTContext {
+				animator = animator,
+				transform = transform,
+				unit = unit
+			};
+		}
+
+		BTNode behave;
+		BTContext ctx;
+		// Use this for initialization
+		void Start () {
+			StartCoroutine(StateMachine());
+			behave = Behaviors.HarvestBehavior();
+		}
+
+		RTSHarvestableResource FindFreeResource () {
+			/*var resources = FindObjectsOfType<RTSHarvestableResource>().Where(c => c.reservedBy == null).ToArray();
+			RTSHarvestableResource closest = null;
+			var dist = float.PositiveInfinity;
+			var point = transform.position;
+			for (int i = 0; i < resources.Length; i++) {
+			    var d = (resources[i].transform.position - point).sqrMagnitude;
+			    if (d < dist) {
+			        dist = d;
+			        closest = resources[i];
+			    }
+			}
+			return closest;*/
+			return null;
+		}
+
+		void OnDestroy () {
+			behave.Terminate(ctx);
+		}
+
+		IEnumerator StateMachine () {
+			yield break;
+		}
+
+		// Update is called once per frame
+		void Update () {
+			behave.Tick(ctx);
+		}
+	}
+}