NPC wake / sleep cleanup (#5679)

Content.Server/AI/Components/AiControllerComponent.cs

@@ -1,4 +1,5 @@
-using Content.Server.GameTicking;
+using Content.Server.AI.EntitySystems;
+using Content.Server.GameTicking;
 using Content.Shared.Movement.Components;
 using Content.Shared.Roles;
 using Robust.Shared.GameObjects;
@@ -19,6 +20,29 @@ namespace Content.Server.AI.Components
 
         public override string Name => "AiController";
 
+        // TODO: Need to ECS a lot more of the AI first before we can ECS this
+        /// <summary>
+        /// Whether the AI is actively iterated.
+        /// </summary>
+        public bool Awake
+        {
+            get => _awake;
+            set
+            {
+                if (_awake == value) return;
+
+                _awake = value;
+
+               if (_awake)
+                   EntitySystem.Get<NPCSystem>().WakeNPC(this);
+               else
+                   EntitySystem.Get<NPCSystem>().SleepNPC(this);
+            }
+        }
+
+        [DataField("awake")]
+        private bool _awake = true;
+
         [ViewVariables(VVAccess.ReadWrite)]
         [DataField("startingGear")]
         public string? StartingGearPrototype { get; set; }