Rat King Tweaks (#8940)

Co-authored-by: Kara <lunarautomaton6@gmail.com>

Content.Server/RatKing/RatKingComponent.cs

@@ -39,16 +39,9 @@ namespace Content.Server.RatKing
         public float HungerPerDomainUse = 50f;
 
         /// <summary>
-        ///     The disease prototype id that the Domain ability spreads
+        ///     How many moles of Miasma are released after one us of Domain
         /// </summary>
-        [ViewVariables, DataField("domainDiseaseId", customTypeSerializer: typeof(PrototypeIdSerializer<DiseasePrototype>))]
-        public string DomainDiseaseId = "Plague";
-
-        /// <summary>
-        ///     The range of the Domain ability.
-        /// </summary>
-        [ViewVariables(VVAccess.ReadWrite), DataField("domainRange")]
-        public float DomainRange = 3f;
-
+        [ViewVariables, DataField("molesMiasmaPerDomain")]
+        public float MolesMiasmaPerDomain = 75f;
     }
 };

Content.Server/RatKing/RatKingSystem.cs

@@ -1,9 +1,11 @@
 using Content.Server.Actions;
+using Content.Server.Atmos.EntitySystems;
 using Content.Server.Disease;
 using Content.Server.Disease.Components;
 using Content.Server.Nutrition.Components;
 using Content.Server.Popups;
 using Content.Shared.Actions;
+using Content.Shared.Atmos;
 using Robust.Shared.Player;
 
 namespace Content.Server.RatKing
@@ -14,6 +16,7 @@ namespace Content.Server.RatKing
         [Dependency] private readonly ActionsSystem _action = default!;
         [Dependency] private readonly DiseaseSystem _disease = default!;
         [Dependency] private readonly EntityLookupSystem _lookup = default!;
+        [Dependency] private readonly AtmosphereSystem _atmos = default!;
 
         public override void Initialize()
         {
@@ -54,8 +57,8 @@ namespace Content.Server.RatKing
         }
 
         /// <summary>
-        /// Gets all of the nearby disease-carrying entities in a radius
-        /// and gives them the specified disease. It has a hunger cost as well
+        /// uses hunger to release a specific amount of miasma into the air. This heals the rat king
+        /// and his servants through a specific metabolism.
         /// </summary>
         private void OnDomain(EntityUid uid, RatKingComponent component, RatKingDomainActionEvent args)
         {
@@ -74,17 +77,11 @@ namespace Content.Server.RatKing
             args.Handled = true;
             hunger.CurrentHunger -= component.HungerPerDomainUse;
 
-            _popup.PopupEntity(Loc.GetString("rat-king-domain-popup"), uid, Filter.Pvs(uid, default, EntityManager));
+            _popup.PopupEntity(Loc.GetString("rat-king-domain-popup"), uid, Filter.Pvs(uid));
 
-            var tstalker = GetEntityQuery<DiseaseCarrierComponent>();
-            foreach (var entity in _lookup.GetEntitiesInRange(uid, component.DomainRange)) //go through all of them, filtering only those in range that are not the king itself
-            {
-                if (entity == uid)
-                    continue;
-
-                if (tstalker.TryGetComponent(entity, out var diseasecomp))
-                    _disease.TryInfect(diseasecomp, component.DomainDiseaseId); //infect them with w/e disease
-            }
+            var tileMix = _atmos.GetTileMixture(Transform(uid).Coordinates);
+            if (tileMix != null)
+                tileMix.AdjustMoles(Gas.Miasma, component.MolesMiasmaPerDomain);
         }
     }
 

Resources/Locale/en-US/animals/rat-king/rat-king.ftl

@@ -2,7 +2,7 @@ rat-king-raise-army-name = Raise Army
 rat-king-raise-army-description = Spend some hunger to summon an allied rat to help defend you.
 
 rat-king-domain-name = Rat King's Domain
-rat-king-domain-description = Spend some hunger to infect those around you with the plague.
-rat-king-domain-popup = A cloud of plague is released into the air!
+rat-king-domain-description = Spend some hunger to release a cloud of miasma into the air.
+rat-king-domain-popup = A cloud of miasma is released into the air!
 
 rat-king-too-hungry = You are too hungry to use this ability!

Resources/Prototypes/Body/Mechanisms/rat.yml

@@ -0,0 +1,8 @@
+- type: entity
+  id: OrganRatLungs
+  parent: OrganHumanLungs
+  suffix: "rat"
+  components:
+  - type: Metabolizer
+    metabolizerTypes: [ Rat ]
+

Resources/Prototypes/Body/Parts/rat.yml

@@ -0,0 +1,39 @@
+# Just copypasta of some animal basic body parts for interaction,
+# It's basically as animals except a different torso with different organs
+- type: entity
+  id: TorsoRat
+  name: "animal torso"
+  parent: PartAnimal
+  noSpawn: true
+  components:
+  - type: BodyPart
+    partType: Torso
+    size: 7
+    compatibility: Biological
+    mechanisms:
+    - OrganRatLungs
+    - OrganHumanStomach
+    - OrganHumanLiver
+    - OrganHumanHeart
+    - OrganHumanKidneys
+  - type: Damageable
+    damageContainer: Biological
+
+- type: entity
+  id: OrganRatLungs
+  parent: BaseAnimalOrgan
+  name: lungs
+  noSpawn: true
+  components:
+  - type: Mechanism
+    size: 1
+    compatibility: Biological
+  - type: Lung
+  - type: Metabolizer
+    removeEmpty: true
+    solutionOnBody: false
+    solution: "Lung"
+    metabolizerTypes: [ Rat ]
+    groups:
+    - id: Gas
+      rateModifier: 100.0

Resources/Prototypes/Body/Presets/rat.yml

@@ -0,0 +1,7 @@
+- type: bodyPreset
+  name: "animal preset"
+  id: RatPreset
+  partIDs:
+    legs: LegsAnimal
+    feet: FeetAnimal
+    torso: TorsoRat

Resources/Prototypes/Chemistry/metabolizer_types.yml

@@ -15,3 +15,6 @@
 
 - type: metabolizerType
   id: Vox
+
+- type: metabolizerType
+  id: Rat

Resources/Prototypes/Entities/Mobs/NPCs/regalrat.yml

@@ -50,6 +50,9 @@
       types:
         Slash: 12
         Piercing: 8
+  - type: Body
+    template: AnimalTemplate
+    preset: RatPreset
   - type: Appearance
   - type: DamageStateVisuals
     rotate: true
@@ -100,6 +103,13 @@
       amount: 1
   - type: DiseaseCarrier
     carrierDiseases:
+    - VentCough
+    - AMIV
+    - SpaceCold
+    - SpaceFlu
+    - Bird Flew
+    - VanAusdallsRobovirus
+    - BleedersBite
     - Plague
   - type: SlowOnDamage
     speedModifierThresholds:
@@ -117,8 +127,8 @@
   components:
   - type: CombatMode
   - type: MovementSpeedModifier
-    baseWalkSpeed : 4
-    baseSprintSpeed : 4
+    baseWalkSpeed : 3.5
+    baseSprintSpeed : 3.5
   - type: UtilityAI
     behaviorSets:
     - Idle
@@ -151,8 +161,8 @@
   - type: MobState
     thresholds:
       0: !type:NormalMobState {}
-      25: !type:CriticalMobState {}
-      50: !type:DeadMobState {}
+      30: !type:CriticalMobState {}
+      60: !type:DeadMobState {}
   - type: MeleeWeapon
     range: 1
     arcwidth: 0
@@ -160,7 +170,10 @@
     damage:
       types:
         Slash: 5
-        Piercing: 2
+        Piercing: 3
+  - type: Body
+    template: AnimalTemplate
+    preset: RatPreset
   - type: Appearance
   - type: DamageStateVisuals
     rotate: true
@@ -174,6 +187,13 @@
   - type: Puller
   - type: DiseaseCarrier
     carrierDiseases:
+    - VentCough
+    - AMIV
+    - SpaceCold
+    - SpaceFlu
+    - Bird Flew
+    - VanAusdallsRobovirus
+    - BleedersBite
     - Plague
   - type: Vocal
     # mice are gender neutral who cares

Resources/Prototypes/Reagents/gases.yml

@@ -17,6 +17,10 @@
         conditions:
         - !type:OrganType
           type: Animal
+      - !type:Oxygenate
+        conditions:
+        - !type:OrganType
+          type: Rat
       # Convert Oxygen into CO2.
       - !type:ModifyLungGas
         conditions:
@@ -157,6 +161,9 @@
       effects:
       - !type:ChemCauseRandomDisease
         conditions:
+        - !type:OrganType
+          type: Rat
+          shouldHave: false
         - !type:ReagentThreshold
           reagent: Miasma
           min: 1
@@ -168,8 +175,12 @@
           - Bird Flew
           - VanAusdallsRobovirus
           - BleedersBite
+          - Plague
       - !type:HealthChange
         conditions:
+        - !type:OrganType
+          type: Rat
+          shouldHave: false
         - !type:ReagentThreshold
           reagent: Miasma
           min: 1
@@ -181,6 +192,23 @@
       - !type:ChemVomit
         probability: 0.12
         conditions:
+        - !type:OrganType
+          type: Rat
+          shouldHave: false
         - !type:ReagentThreshold
           reagent: Miasma
           min: 0.8
+      - !type:HealthChange
+        conditions:
+        - !type:OrganType
+          type: Rat
+        - !type:ReagentThreshold
+          reagent: Miasma
+          min: 1
+        scaleByQuantity: true
+        ignoreResistances: true
+        damage:
+          types:
+            Blunt: -4
+            Slash: -3
+            Piercing: -3