Add tag to let entity not fire guns (#9293)

Content.Shared/Weapons/Ranged/Systems/SharedGunSystem.cs

@@ -12,6 +12,7 @@ using Content.Shared.Throwing;
 using Content.Shared.Verbs;
 using Content.Shared.Weapons.Ranged.Components;
 using Content.Shared.Weapons.Ranged.Events;
+using Content.Shared.Tag;
 using Robust.Shared.Audio;
 using Robust.Shared.Containers;
 using Robust.Shared.GameStates;
@@ -42,6 +43,7 @@ public abstract partial class SharedGunSystem : EntitySystem
     [Dependency] protected readonly SharedPhysicsSystem Physics = default!;
     [Dependency] protected readonly SharedPopupSystem PopupSystem = default!;
     [Dependency] protected readonly ThrowingSystem ThrowingSystem = default!;
+    [Dependency] protected readonly TagSystem _tagSystem = default!;
 
     protected ISawmill Sawmill = default!;
 
@@ -86,6 +88,9 @@ public abstract partial class SharedGunSystem : EntitySystem
 
     private void OnGunMeleeAttempt(EntityUid uid, GunComponent component, ref MeleeAttackAttemptEvent args)
     {
+        if (_tagSystem.HasTag(args.User, "GunsDisabled"))
+            return;
+
         args.Cancelled = true;
     }
 
@@ -181,6 +186,12 @@ public abstract partial class SharedGunSystem : EntitySystem
 
         if (toCoordinates == null) return;
 
+        if (_tagSystem.HasTag(user, "GunsDisabled"))
+        {
+            Popup(Loc.GetString("gun-disabled"), user, user);
+            return;
+        }
+
         var curTime = Timing.CurTime;
 
         // Need to do this to play the clicking sound for empty automatic weapons

Resources/Locale/en-US/weapons/ranged/gun.ftl

@@ -3,6 +3,7 @@ gun-selected-mode-examine = Current selected fire mode is [color={$color}]{$mode
 gun-fire-rate-examine = Fire rate is [color={$color}]{$fireRate}[/color] per second.
 gun-selector-verb = Change to {$mode}
 gun-selected-mode = Selected {$mode}
+gun-disabled = You can't use guns!
 
 # SelectiveFire
 gun-SemiAuto = semi-auto

Resources/Prototypes/tags.yml

@@ -207,6 +207,9 @@
 - type: Tag
   id: Grenade
 
+- type: Tag
+  id: GunsDisabled # Allow certain entities to not use guns without complicating the system with an event
+
 - type: Tag
   id: Handcuffs