Add emergency nitrogen lockers (#26752)

Resources/Prototypes/Catalog/Fills/Lockers/misc.yml

@@ -61,6 +61,21 @@
       - id: BoxMRE
         prob: 0.1
 
+- type: entity
+  id: ClosetEmergencyN2FilledRandom
+  parent: ClosetEmergencyN2
+  suffix: Filled, Random
+  components:
+  - type: StorageFill
+    contents:
+      - id: ClothingMaskBreath
+      - id: EmergencyNitrogenTankFilled
+        prob: 0.80
+        orGroup: EmergencyTankOrRegularTank
+      - id: NitrogenTankFilled
+        prob: 0.20
+        orGroup: EmergencyTankOrRegularTank
+
 - type: entity
   id: ClosetFireFilled
   parent: ClosetFire

Resources/Prototypes/Entities/Structures/Storage/Closets/closets.yml

@@ -37,6 +37,19 @@
     stateDoorOpen: emergency_open
     stateDoorClosed: emergency_door
 
+# Emergency N2 closet
+- type: entity
+  id: ClosetEmergencyN2
+  name: emergency nitrogen closet
+  parent: ClosetSteelBase
+  description: It's full of life-saving equipment. Assuming, that is, that you breathe nitrogen.
+  components:
+  - type: Appearance
+  - type: EntityStorageVisuals
+    stateBaseClosed: fire
+    stateDoorOpen: fire_open
+    stateDoorClosed: n2_door
+
 # Fire safety closet
 - type: entity
   id: ClosetFire

Resources/Textures/Structures/Storage/closet.rsi/meta.json

@@ -4,7 +4,7 @@
     "x": 32,
     "y": 32
   },
-  "copyright": "Taken from tgstation, brigmedic locker is a resprited CMO locker by PuroSlavKing (Github)",
+  "copyright": "Taken from tgstation, brigmedic locker is a resprited CMO locker by PuroSlavKing (Github), n2_door state modified by Flareguy from fire_door, using sprites from /vg/station at https://github.com/vgstation-coders/vgstation13/commit/02b9f6894af4419c9f7e699a22c402b086d8067e",
   "license": "CC-BY-SA-3.0",
   "states": [
     {
@@ -398,6 +398,9 @@
     {
       "name": "mixed_door"
     },
+    {
+      "name": "n2_door"
+    },
     {
       "name": "oldcloset"
     },