Fix airlocks being opened by anything that bumps into them.

- Adds DoorBumpOpener component.

Content.Server/Doors/Components/DoorBumpOpenerComponent.cs

@@ -0,0 +1,10 @@
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Doors.Components
+{
+    [RegisterComponent]
+    public class DoorBumpOpenerComponent : Component
+    {
+        public override string Name => "DoorBumpOpener";
+    }
+}

Content.Server/Doors/Systems/DoorSystem.cs

@@ -45,6 +45,11 @@ namespace Content.Server.Doors
 
         private void HandleCollide(EntityUid uid, ServerDoorComponent component, StartCollideEvent args)
         {
+            if (!args.OtherFixture.Body.Owner.HasComponent<DoorBumpOpenerComponent>())
+            {
+                return;
+            }
+
             if (component.State != SharedDoorComponent.DoorState.Closed)
             {
                 return;

Resources/Changelog/Parts/airlock.yml

@@ -0,0 +1,4 @@
+author: Zumorica
+changes:
+  - type: Fix # One of the following: Add, Remove, Tweak, Fix
+    message: Fix airlocks being opened by bullets and any thrown items. They can still be opened by thrown IDs and PDAs though!

Resources/Prototypes/Entities/Mobs/Species/human.yml

@@ -273,6 +273,7 @@
     attributes:
       proper: true
   - type: StandingState
+  - type: DoorBumpOpener
 
 - type: entity
   save: false

Resources/Prototypes/Entities/Mobs/Species/slime.yml

@@ -93,3 +93,4 @@
     - type: Body
       template: HumanoidTemplate
       preset: SlimePreset
+    - type: DoorBumpOpener

Resources/Prototypes/Entities/Mobs/Species/vox.yml

@@ -114,3 +114,4 @@
     categoriesFacialHair: VoxFacialHair
   - type: Inventory
     speciesId: vox
+  - type: DoorBumpOpener

Resources/Prototypes/Entities/Objects/Devices/pda.yml

@@ -28,6 +28,7 @@
     interfaces:
     - key: enum.PDAUiKey.Key
       type: PDABoundUserInterface
+  - type: DoorBumpOpener
 
 - type: entity
   parent: BasePDA

Resources/Prototypes/Entities/Objects/Misc/identification_cards.yml

@@ -14,6 +14,7 @@
     HeldPrefix: default
   - type: Access
   - type: IdCard
+  - type: DoorBumpOpener
 
 #IDs with layers