Context steering for NPCs (#12915)

Content.Server/NPC/Systems/NPCCombatSystem.cs

@@ -2,6 +2,7 @@ using Content.Server.Interaction;
 using Content.Server.Weapons.Ranged.Systems;
 using Content.Shared.Weapons.Melee;
 using Robust.Shared.Map;
+using Robust.Shared.Physics.Systems;
 using Robust.Shared.Random;
 using Robust.Shared.Timing;
 
@@ -20,8 +21,14 @@ public sealed partial class NPCCombatSystem : EntitySystem
     [Dependency] private readonly SharedAudioSystem _audio = default!;
     [Dependency] private readonly NPCSteeringSystem _steering = default!;
     [Dependency] private readonly SharedMeleeWeaponSystem _melee = default!;
+    [Dependency] private readonly SharedPhysicsSystem _physics = default!;
     [Dependency] private readonly SharedTransformSystem _transform = default!;
 
+    /// <summary>
+    /// If disabled we'll move into range but not attack.
+    /// </summary>
+    public bool Enabled = true;
+
     public override void Initialize()
     {
         base.Initialize();