ECS NPCs (#9941)

* ECS

* A

* parity

* Remove dummy update

* abs

* thanks rider

Content.Server/AI/Utility/AiLogic/UtilityNPCComponent.cs

@@ -0,0 +1,46 @@
+using Content.Server.AI.Components;
+using Content.Server.AI.LoadBalancer;
+using Content.Server.AI.Utility.Actions;
+using Content.Server.AI.WorldState;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.Set;
+using System.Threading;
+using Content.Server.AI.EntitySystems;
+
+namespace Content.Server.AI.Utility.AiLogic
+{
+    [RegisterComponent, Access(typeof(NPCSystem))]
+    [ComponentReference(typeof(NPCComponent))]
+    public sealed class UtilityNPCComponent : NPCComponent
+    {
+        public Blackboard Blackboard => _blackboard;
+        public Blackboard _blackboard = default!;
+
+        /// <summary>
+        ///     The sum of all BehaviorSets gives us what actions the AI can take
+        /// </summary>
+        [DataField("behaviorSets", customTypeSerializer:typeof(PrototypeIdHashSetSerializer<BehaviorSetPrototype>))]
+        public HashSet<string> BehaviorSets { get; } = new();
+
+        public List<IAiUtility> AvailableActions { get; set; } = new();
+
+        /// <summary>
+        /// The currently running action; most importantly are the operators.
+        /// </summary>
+        public UtilityAction? CurrentAction { get; set; }
+
+        /// <summary>
+        /// How frequently we can re-plan. If an AI's in combat you could decrease the cooldown,
+        /// or if there's no players nearby increase it.
+        /// </summary>
+        public float PlanCooldown { get; } = 0.5f;
+
+        public float _planCooldownRemaining;
+
+        /// <summary>
+        /// If we've requested a plan then wait patiently for the action
+        /// </summary>
+        public AiActionRequestJob? _actionRequest;
+
+        public CancellationTokenSource? _actionCancellation;
+    }
+}