Slimes breathe nitrogen (#9001)

* Slimes breathe nitrogen

* max respiration

Resources/Prototypes/Body/Mechanisms/slime.yml

@@ -25,3 +25,26 @@
         - id: Medicine
         - id: Poison
         - id: Narcotic
+
+- type: entity
+  id: OrganSlimeLungs
+  parent: BaseHumanOrgan
+  name: slime gas sacs
+  description: "Collects nitrogen, which slime cells use for maintenance."
+  components:
+  - type: Sprite
+    layers:
+      - state: lung-l
+      - state: lung-r
+  - type: Mechanism
+    size: 1
+    compatibility: Biological
+  - type: Lung
+  - type: Metabolizer
+    removeEmpty: true
+    solutionOnBody: false
+    solution: "Lung"
+    metabolizerTypes: [ Slime ]
+    groups:
+    - id: Gas
+      rateModifier: 100.0

Resources/Prototypes/Body/Parts/slime.yml

@@ -26,6 +26,7 @@
       compatibility: Slime
       mechanisms:
         - SentientSlimeCore
+        - OrganSlimeLungs
 #    criticalThreshold: 100
 #    deadThreshold: 150
 

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

@@ -147,6 +147,14 @@
     spawned:
     - id: FoodMeatSlime
       amount: 5
+  - type: Respirator
+    damage:
+      types:
+        Asphyxiation: 0.2
+    damageRecovery:
+      types:
+        Asphyxiation: -1.0
+    maxSaturation: 15
 
 - type: entity
   save: false

Resources/Prototypes/Reagents/gases.yml

@@ -139,6 +139,10 @@
         conditions:
         - !type:OrganType
           type: Vox
+      - !type:Oxygenate
+        conditions:
+        - !type:OrganType
+          type: Slime
       # Converts Nitrogen into CO2
       - !type:ModifyLungGas
         conditions: