Initial Commit

Assets/Scripts/Systems/Enemy/EnemyTargetFinderSystem.cs

@@ -0,0 +1,51 @@
+using AI;
+using Unity.Entities;
+using UnityEngine;
+
+namespace DefaultNamespace
+{
+	public class EnemyTargetFinderSystem : ComponentSystem
+	{
+		protected override void OnUpdate()
+		{
+			Entities.ForEach(
+				(ref Enemy enemy, ref RigidBody2DData actorRigidBody, ref ActorTargetData target) =>
+				{
+					if (!EntityManager.Exists(target.Target))
+					{
+						var closestDist = float.MaxValue;
+						var actorPos = actorRigidBody.Position;
+						var finalTarget = Entity.Null;
+						Entities.ForEach(
+							(Entity playerEntity, ref RigidBody2DData rigidBody, ref PlayerData playerData) =>
+							{
+								var d = Vector2.SqrMagnitude(actorPos - rigidBody.Position);
+								if (d < closestDist)
+								{
+									closestDist = d;
+									finalTarget = playerEntity;
+								}
+							});
+						target.Target = finalTarget;
+					}
+				});
+
+			Entities.ForEach(
+				(GoapAgentData agent, ref ActorTargetData target) =>
+				{
+					if (agent.States != null)
+					{
+						var targetVal = (GoapKeys.HasTarget, true);
+						if (EntityManager.Exists(target.Target))
+						{
+							agent.States.Add(targetVal);
+						}
+						else
+						{
+							agent.States.Remove(targetVal);
+						}
+					}
+				});
+		}
+	}
+}