Add some animals basic mechanics (#5132)

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Climbing/Components/ClimbingComponent.cs

@@ -79,7 +79,10 @@ namespace Content.Server.Climbing.Components
 
             if (velocity <= 0.0f) return;
 
-            Body.ApplyLinearImpulse((to - from).Normalized * velocity * 400);
+            // Since there are bodies with different masses:
+            // mass * 5 seems enough to move entity
+            // instead of launching cats like rockets against the walls with constant impulse value.  
+            Body.ApplyLinearImpulse((to - from).Normalized * velocity * Body.Mass * 5);
             OwnerIsTransitioning = true;
 
             Owner.SpawnTimer((int) (BufferTime * 1000), () =>

Content.Server/Temperature/Components/HeatResistanceComponent.cs

@@ -1,4 +1,4 @@
-using Content.Server.Clothing.Components;
+using Content.Server.Clothing.Components;
 using Content.Server.Inventory.Components;
 using Content.Shared.Inventory;
 using Robust.Shared.GameObjects;
@@ -12,7 +12,15 @@ namespace Content.Server.Temperature.Components
 
         public int GetHeatResistance()
         {
-            if (Owner.GetComponent<InventoryComponent>().TryGetSlotItem(EquipmentSlotDefines.Slots.GLOVES, out ClothingComponent? gloves))
+            // TODO: When making into system: Any animal that touches bulb that has no
+            // InventoryComponent but still would have default heat resistance in the future (maybe)
+            if (!Owner.TryGetComponent<InventoryComponent>(out var inventoryComp))
+            {
+                // Magical number just copied from below
+                return int.MinValue;
+            }
+
+            if (inventoryComp.TryGetSlotItem(EquipmentSlotDefines.Slots.GLOVES, out ClothingComponent? gloves))
             {
                 return gloves?.HeatResistance ?? int.MinValue;
             }

Resources/Prototypes/Body/Parts/animal.yml

@@ -0,0 +1,157 @@
+# Just copypasta of some human basic body parts for interaction,
+# only differences for now is that limbs work in pairs,
+# they are unextractable and can't be spawned (no surgery on Animals!?).
+
+- type: entity
+  id: PartAnimal
+  parent: BaseItem
+  name: "animal body part"
+  abstract: true
+  components:
+  - type: Damageable
+    damageContainer: Biological
+  - type: BiologicalSurgeryData
+
+# For primates mainly
+- type: entity
+  id: HandsAnimal
+  name: "animal hands"
+  parent: PartAnimal
+  abstract: true
+  components:
+  - type: BodyPart
+    partType: Hand
+    size: 1
+    compatibility: Biological
+    symmetry: Left
+  - type: Grasp
+
+- type: entity
+  id: LegsAnimal
+  name: "animal legs"
+  parent: PartAnimal
+  abstract: true
+  components:
+  - type: BodyPart
+    partType: Leg
+    size: 1
+    compatibility: Biological
+
+- type: entity
+  id: FeetAnimal
+  name: "animal feet"
+  parent: PartAnimal
+  abstract: true
+  components:
+  - type: BodyPart
+    partType: Foot
+    size: 1
+    compatibility: Biological
+
+- type: entity
+  id: TorsoAnimal
+  name: "animal torso"
+  parent: PartAnimal
+  abstract: true
+  components:
+  - type: BodyPart
+    partType: Torso
+    size: 7
+    compatibility: Biological
+    mechanisms:
+    - OrganAnimalLungs
+    - OrganAnimalStomach
+    - OrganAnimalLiver
+    - OrganAnimalHeart
+    - OrganAnimalKidneys
+  - type: Damageable
+    damageContainer: Biological
+
+- type: entity
+  id: BaseAnimalOrgan
+  parent: BaseItem
+  abstract: true
+  components:
+  - type: Mechanism
+
+- type: entity
+  id: OrganAnimalLungs
+  parent: BaseAnimalOrgan
+  name: lungs
+  abstract: true
+  components:
+  - type: Mechanism
+    size: 1
+    compatibility: Biological
+    behaviors:
+    - !type:LungBehavior {}
+
+- type: entity
+  id: OrganAnimalStomach
+  parent: BaseAnimalOrgan
+  name: stomach
+  abstract: true
+  components:
+  - type: Mechanism
+    size: 1
+    compatibility: Biological
+  - type: SolutionContainerManager
+    solutions:
+      stomach:
+        maxVol: 100
+  - type: Stomach
+    maxVolume: 100
+    digestionDelay: 20
+  - type: Metabolizer
+    maxReagents: 3
+    metabolizerTypes: [Human, Animal]
+    groups:
+    - id: Food
+    - id: Drink
+
+- type: entity
+  id: OrganAnimalLiver
+  parent: BaseAnimalOrgan
+  name: liver
+  abstract: true
+  components:
+  - type: Mechanism
+    size: 1
+    compatibility: Biological
+  - type: Metabolizer
+    maxReagents: 1
+    metabolizerTypes: [Human, Animal]
+    groups:
+    - id: Alcohol
+      rateModifier: 0.1
+
+- type: entity
+  id: OrganAnimalHeart
+  parent: BaseAnimalOrgan
+  name: heart
+  abstract: true
+  components:
+  - type: Mechanism
+    size: 1
+    compatibility: Biological
+  - type: Metabolizer
+    maxReagents: 2
+    metabolizerTypes: [Human, Animal]
+    groups:
+    - id: Medicine
+    - id: Poison
+    - id: Narcotic
+
+- type: entity
+  id: OrganAnimalKidneys
+  parent: BaseAnimalOrgan
+  name: kidneys
+  abstract: true
+  components:
+  - type: Mechanism
+    size: 1
+    compatibility: Biological
+  - type: Metabolizer
+    maxReagents: 5
+    metabolizerTypes: [Human, Animal]
+    removeEmpty: true

Resources/Prototypes/Body/Presets/animal.yml

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

Resources/Prototypes/Body/Presets/primate.yml

@@ -0,0 +1,8 @@
+- type: bodyPreset
+  name: "primate preset"
+  id: PrimatePreset
+  partIDs:
+    hands: HandsAnimal
+    legs: LegsAnimal
+    feet: FeetAnimal
+    torso: TorsoAnimal

Resources/Prototypes/Body/Templates/animal.yml

@@ -0,0 +1,14 @@
+# I know I've skipped few parts
+- type: bodyTemplate
+  id: AnimalTemplate
+  name: "animal template"
+  centerSlot: "torso"
+  slots:
+    torso: Torso
+    legs: Leg
+    feet: Foot
+  connections:
+    torso:
+    - legs
+    legs: 
+    - feet

Resources/Prototypes/Body/Templates/primate.yml

@@ -0,0 +1,16 @@
+# I know I've skipped few parts
+- type: bodyTemplate
+  id: PrimateTemplate
+  name: "primate template"
+  centerSlot: "torso"
+  slots:
+    torso: Torso
+    hands: Hand
+    legs: Leg
+    feet: Foot
+  connections:
+    torso:
+    - hands
+    - legs
+    legs: 
+    - feet

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

@@ -17,14 +17,14 @@
       state: bat
       sprite: Mobs/Animals/bat.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.25,-0.30,0.25,0.40"
-      mass: 50
+        !type:PhysShapeCircle
+        radius: 0.25
+      mass: 5
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -33,6 +33,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: bat
+      crit: dead
       dead: dead
 
 - type: entity
@@ -52,22 +53,28 @@
       state: 0
       sprite: Mobs/Animals/bee.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.50,-0.90,0.50,0.05"
-      mass: 90
+        !type:PhysShapeCircle
+        radius: 0.1
+      mass: 5
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
       - Opaque
+  - type: MobState
+    thresholds:
+      0: !type:NormalMobState {}
+      5: !type:CriticalMobState {}
+      10: !type:DeadMobState {}
   - type: Appearance
     visuals:
     - type: DamageStateVisualizer
       normal: 0
+      crit: dead
       dead: dead
 
 - type: entity
@@ -82,23 +89,11 @@
     - map: ["enum.DamageStateVisualLayers.Base"]
       state: chicken-0
       sprite: Mobs/Animals/chicken.rsi
-  - type: Physics
-    bodyType: Dynamic
-    fixtures:
-    - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.20,-0.45,0.20,0.10"
-      mass: 20
-      mask:
-      - Impassable
-      - VaultImpassable
-      - SmallImpassable
-      layer:
-      - Opaque
   - type: Appearance
     visuals:
     - type: DamageStateVisualizer
       normal: chicken-0
+      crit: dead-0
       dead: dead-0
 
 - type: entity
@@ -117,18 +112,23 @@
       state: butterfly
       sprite: Mobs/Animals/butterfly.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.20,-0.20,0.20,0.20"
+        !type:PhysShapeCircle
+        radius: 0.2
       mass: 5
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
       - Opaque
+  - type: MobState
+    thresholds:
+      0: !type:NormalMobState {}
+      5: !type:CriticalMobState {}
+      10: !type:DeadMobState {}
   - type: RandomSpriteColor
     state: butterfly
     colors:
@@ -143,6 +143,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: butterfly
+      crit: dead
       dead: dead
 
 - type: entity
@@ -158,14 +159,14 @@
       state: cow
       sprite: Mobs/Animals/cow.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.50,-0.60,0.50,0.05"
-      mass: 20
+        !type:PhysShapeCircle
+        radius: 0.40
+      mass: 45
       mask:
       - Impassable
+      - MobImpassable
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -174,6 +175,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: cow
+      crit: dead
       dead: dead
 
 - type: entity
@@ -189,14 +191,14 @@
       state: crab
       sprite: Mobs/Animals/crab.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.10,-0.10,0.10,0.10"
+        !type:PhysShapeCircle
+        radius: 0.35
       mass: 5
       mask:
       - Impassable
+      - MobImpassable #Bullets!?
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -205,6 +207,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: crab
+      crit: dead
       dead: dead
     - type: AsteroidRockVisualizer
 
@@ -220,23 +223,11 @@
     - map: ["enum.DamageStateVisualLayers.Base"]
       state: goat
       sprite: Mobs/Animals/goat.rsi
-  - type: Physics
-    bodyType: Dynamic
-    fixtures:
-    - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.50,-0.60,0.50,0.05"
-      mass: 20
-      mask:
-      - Impassable
-      - VaultImpassable
-      - SmallImpassable
-      layer:
-      - Opaque
   - type: Appearance
     visuals:
     - type: DamageStateVisualizer
       normal: goat
+      crit: dead
       dead: dead
 
 # Note that we gotta make this bitch vomit someday when you feed it anthrax or sumthin. Needs to be a small item thief too and aggressive if attacked.
@@ -252,23 +243,11 @@
     - map: ["enum.DamageStateVisualLayers.Base"]
       state: goose
       sprite: Mobs/Animals/goose.rsi
-  - type: Physics
-    bodyType: Dynamic
-    fixtures:
-    - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.35,-0.45,0.35,0.45"
-      mass: 20
-      mask:
-      - Impassable
-      - VaultImpassable
-      - SmallImpassable
-      layer:
-      - Opaque
   - type: Appearance
     visuals:
     - type: DamageStateVisualizer
       normal: goose
+      crit: dead
       dead: dead
 
 - type: entity
@@ -284,14 +263,14 @@
       state: crawling
       sprite: Mobs/Animals/gorilla.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.35,-0.30,0.35,0.35"
+        !type:PhysShapeCircle
+        radius: 0.48
       mass: 20
       mask:
       - Impassable
+      - MobImpassable
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -300,6 +279,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: crawling
+      crit: dead
       dead: dead
 
 - type: entity
@@ -308,30 +288,24 @@
   parent: SimpleMobBase
   description: New church of neo-darwinists actually believe that EVERY animal evolved from a monkey. Tastes like pork, and killing them is both fun and relaxing.
   components:
+  - type: GhostTakeoverAvailable
   - type: Sprite
     drawdepth: Mobs
     layers:
     - map: ["enum.DamageStateVisualLayers.Base"]
       state: monkey
       sprite: Mobs/Animals/monkey.rsi
-  - type: Physics
-    bodyType: Dynamic
-    fixtures:
-    - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.30,-0.30,0.30,0.25"
-      mass: 10
-      mask:
-      - Impassable
-      - VaultImpassable
-      - SmallImpassable
-      layer:
-      - Opaque
+  - type: Hands
+  - type: Body
+    template: PrimateTemplate
+    preset: PrimatePreset
   - type: Appearance
     visuals:
     - type: DamageStateVisualizer
       normal: monkey
+      crit: dead
       dead: dead
+    - type: HandsVisualizer
     - type: FireVisualizer
       sprite: Mobs/Effects/onfire.rsi
       normalState: Monkey_burning
@@ -360,18 +334,23 @@
     Slots:
     - Helmet
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.40,-0.30,0.40,0.45"
+        !type:PhysShapeCircle
+        radius: 0.2
       mass: 10
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
       - Opaque
+  - type: MobState
+    thresholds:
+      0: !type:NormalMobState {}
+      10: !type:CriticalMobState {}
+      20: !type:DeadMobState {}
   - type: MovementSpeedModifier
     baseWalkSpeed : 5
     baseSprintSpeed : 5
@@ -451,14 +430,14 @@
       state: parrot
       sprite: Mobs/Animals/parrot.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.35,-0.40,0.35,0.20"
-      mass: 10
+        !type:PhysShapeCircle
+        radius: 0.25
+      mass: 5
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -467,6 +446,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: parrot
+      crit: dead
       dead: dead
 
 - type: entity
@@ -482,14 +462,14 @@
       state: penguin
       sprite: Mobs/Animals/penguin.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.30,-0.50,0.30,0.35"
+        !type:PhysShapeCircle
+        radius: 0.25
       mass: 10
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -498,6 +478,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: penguin
+      crit: penguin_dead
       dead: penguin_dead
 
 - type: entity
@@ -513,24 +494,27 @@
       state: snake
       sprite: Mobs/Animals/snake.rsi
   - type: Physics
-    bodyType: KinematicController
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.30,-0.50,0.30,0.35"
-      mass: 10
+        !type:PhysShapeCircle
+        radius: 0.25
+      mass: 8
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
       - Opaque
   - type: Appearance
     visuals:
+    - type: RotationVisualizer
     - type: DamageStateVisualizer
       normal: snake
 # It's death animation is animated so hopefully this should push for separation between "dying" and "death" states.
-      dead: dead
+     # looks stupid, Rotation visualizer for now
+     # dead: dead
+     # crit: dead
 
 # Code unique spider prototypes or combine them all into one spider and get a
 # random sprite state when you spawn it.
@@ -547,14 +531,14 @@
       state: tarantula
       sprite: Mobs/Animals/spider.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.40,-0.30,0.40,0.45"
-      mass: 10
+        !type:PhysShapeCircle
+        radius: 0.35
+      mass: 25
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -563,4 +547,5 @@
     visuals:
     - type: DamageStateVisualizer
       normal: tarantula
+      crit: tarantula_dead
       dead: tarantula_dead

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

@@ -1,7 +1,7 @@
 - type: entity
   name: space carp
   id: MobCarp
-  parent: SimpleMobBase
+  parent: SimpleSpaceMobBase
   description: It's a space carp.
   components:
   - type: UtilityAI
@@ -18,11 +18,10 @@
       state: alive
       sprite: Mobs/Aliens/Carps/space.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.35,-0.35,0.35,0.35"
+        !type:PhysShapeCircle
+        radius: 0.40
       mass: 50
       mask:
       - Impassable
@@ -40,6 +39,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: alive
+      crit: dead
       dead: dead
 
 - type: entity
@@ -68,11 +68,10 @@
       state: alive
       sprite: Mobs/Aliens/Carps/holo.rsi
   - type: Physics
-    bodyType: Dynamic
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-        bounds: "-0.35,-0.35,0.35,0.35"
+        !type:PhysShapeCircle
+        radius: 0.40
       mass: 5
       mask:
         - Impassable

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

@@ -16,11 +16,12 @@
   - type: Physics
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.25,-0.50,0.25,0.30"
+        !type:PhysShapeCircle
+        radius: 0.35
       mass: 10
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -29,6 +30,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: corgi
+      crit: corgi_dead
       dead: corgi_dead
 
 - type: entity
@@ -47,6 +49,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: ian
+      crit: ian_dead
       dead: ian_dead
 
 - type: entity
@@ -64,11 +67,12 @@
   - type: Physics
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.20,-0.45,0.20,0.30"
+        !type:PhysShapeCircle
+        radius: 0.35
       mass: 10
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -77,6 +81,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: cat
+      crit: cat_dead
       dead: cat_dead
 
 - type: entity
@@ -95,6 +100,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: cat2
+      crit: cat2_dead
       dead: cat2_dead
 
 - type: entity
@@ -113,6 +119,7 @@
     visuals:
     - type: DamageStateVisualizer
       normal: caracal_flop
+      crit: caracal_dead
       dead: caracal_dead
 
 - type: entity
@@ -133,11 +140,12 @@
   - type: Physics
     fixtures:
     - shape:
-        !type:PhysShapeAabb
-          bounds: "-0.35,-0.45,0.35,0.15"
+        !type:PhysShapeCircle
+        radius: 0.35
       mass: 10
       mask:
       - Impassable
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
@@ -146,4 +154,5 @@
     visuals:
     - type: DamageStateVisualizer
       normal: sloth
+      crit: sloth_dead
       dead: sloth_dead

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

@@ -1,7 +1,7 @@
 - type: entity
   save: false
   abstract: true
-  id: SimpleMobBase
+  id: SimpleSpaceMobBase # Mob without barotrauma, freezing and asphyxiation (for space carps!?)
   suffix: AI
   components:
   - type: Reactive
@@ -16,16 +16,9 @@
       - !type:FlammableReaction
   - type: UtilityAI
     behaviorSets:
-    - Clothing
+    # - Clothing
     - Idle
-  - type: Hunger
-    damage:
-      types:
-        Blunt: 2
-  - type: Thirst
-    damage:
-      types:
-        Blunt: 2
+    # No hunger and thirst for space mobs (need a way to eat station tiles for space carps)
   - type: Input
     context: "human"
   - type: AiFactionTag
@@ -35,10 +28,6 @@
     baseWalkSpeed : 4
     baseSprintSpeed : 4
   - type: MovedByPressure
-  - type: Barotrauma
-    damage:
-      types:
-        Blunt: 1 #per second, scales with pressure and other constants.
   - type: DamageOnHighSpeedImpact
     damage:
       types:
@@ -51,18 +40,20 @@
   - type: Clickable
   - type: InteractionOutline
   - type: Physics
-    bodyType: Dynamic
+    bodyType: KinematicController # Same for all inheritors
     fixtures:
     - shape:
-        !type:PhysShapeAabb {}
-      mass: 50
+        # Circles, cuz rotation of rectangles looks very bad
+        !type:PhysShapeCircle
+        radius: 0.35
+      mass: 20
       mask:
       - Impassable
-#      - MobImpassable Turns these off for now since humans don't have collisions either.
+      - MobImpassable #Bullets?!
       - VaultImpassable
       - SmallImpassable
       layer:
-      - MobImpassable
+      - Opaque
   - type: SolutionContainerManager
   - type: Bloodstream
     max_volume: 100
@@ -81,12 +72,81 @@
     currentTemperature: 310.15
     specificHeat: 42
     tempDamageCoefficient: 0.1
-    coldDamage:
-      types:
-        Cold : 1 #per second, scales with temperature & other constants
     heatDamage:
       types:
         Heat : 1 #per second, scales with temperature & other constants
+  - type: MobState
+    thresholds:
+      0: !type:NormalMobState {}
+      50: !type:CriticalMobState {}
+      100: !type:DeadMobState {}
+  - type: HeatResistance
+  - type: CombatMode
+  - type: Internals
+  - type: StatusEffects
+    allowed:
+    - Stun
+    - KnockedDown
+    - SlowedDown
+    - Stutter
+    - Electrocution
+  - type: Body
+    template: AnimalTemplate
+    preset: AnimalPreset
+  - type: Examiner
+  - type: UnarmedCombat
+    range: 1.5
+    arcwidth: 0
+    arc: bite
+    damage:
+      groups:
+        Brute: 5
+  - type: Appearance
+    visuals:
+    - type: BuckleVisualizer
+    - type: FireVisualizer
+      sprite: Mobs/Effects/onfire.rsi
+      normalState: Generic_mob_burning
+  - type: Actions
+    innateActions:
+      - CombatMode
+  - type: DoAfter
+  - type: Climbing
+  - type: Flashable
+  - type: Pullable
+  - type: Puller
+  - type: Buckle
+  - type: Recyclable
+    safe: false
+  - type: Butcherable
+    meat: FoodMeat
+  - type: StandingState
+  - type: Alerts
+
+- type: entity
+  save: false
+  abstract: true
+  id: SimpleMobBase # for air breathers
+  parent: SimpleSpaceMobBase
+  suffix: AI
+  components:
+  - type: UtilityAI
+    behaviorSets:
+    - Idle
+    # - Hunger TODO: eating on the floor and fix weird AI endless stomach
+    # - Thirst
+  - type: Hunger
+    damage:
+      types:
+        Blunt: 2
+  - type: Thirst
+    damage:
+      types:
+        Blunt: 2
+  - type: Barotrauma
+    damage:
+      types:
+        Blunt: 1 #per second, scales with pressure and other constants.
   - type: Respirator
     metabolismHeat: 5000
     radiatedHeat: 400
@@ -106,36 +166,15 @@
     damageRecovery:
       types:
         Asphyxiation: -1
-  - type: MobState
-    thresholds:
-      0: !type:NormalMobState {}
-      50: !type:CriticalMobState {}
-      100: !type:DeadMobState {}
-  - type: HeatResistance
-  - type: CombatMode
-  - type: Internals
-  - type: StatusEffects
-    allowed:
-    - Stun
-    - KnockedDown
-    - SlowedDown
-  - type: Examiner
-  - type: UnarmedCombat
-    range: 1.5
-    arcwidth: 0
-    arc: bite
-    damage:
-      groups:
-        Brute: 5
-  - type: Appearance
-    visuals:
-    - type: BuckleVisualizer
-    - type: FireVisualizer
-      sprite: Mobs/Effects/onfire.rsi
-      normalState: Generic_mob_burning
-  - type: Pullable
-  - type: Buckle
-  - type: Butcherable
-    meat: FoodMeat
-  - type: Recyclable
-    safe: false
+  - type: Temperature
+    heatDamageThreshold: 360
+    coldDamageThreshold: 260
+    currentTemperature: 310.15
+    specificHeat: 42
+    tempDamageCoefficient: 0.1
+    coldDamage:
+      types:
+        Cold : 1 #per second, scales with temperature & other constants
+    heatDamage:
+      types:
+        Heat : 1 #per second, scales with temperature & other constants

Resources/Prototypes/Entities/Objects/Consumable/Food/Baked/cake.yml

@@ -257,6 +257,15 @@
     - state: chocolate
   - type: SliceableFood
     slice: FoodCakeChocolateSlice
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 26
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 20
+        - ReagentId: Theobromine
+          Quantity: 5
 
 - type: entity
   name: slice of chocolate cake
@@ -267,6 +276,15 @@
     layers:
     - state: plate-small
     - state: chocolate-slice
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 10 # There is something weird about SliceBase: SliceableFoodComp has 5 default slices, which leads to total volume of 40, but CakeBase has only 26 total volume
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 7 # TODO: Recalculate volumes and nutrition for sliceable food
+        - ReagentId: Theobromine
+          Quantity: 1
 # Tastes like sweetness, cake, chocolate.
 
 - type: entity

Resources/Prototypes/Entities/Objects/Consumable/Food/Baked/donut.yml

@@ -131,6 +131,15 @@
   components:
   - type: Sprite
     state: choc
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 5
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 3
+        - ReagentId: Theobromine
+          Quantity: 1
 # Tastes like donut, bitterness.
 
 - type: entity
@@ -235,6 +244,15 @@
   components:
   - type: Sprite
     state: jelly-choc
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 5
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 3
+        - ReagentId: Theobromine
+          Quantity: 1
 # Tastes like jelly-donut, bitterness.
 
 - type: entity

Resources/Prototypes/Entities/Objects/Consumable/Food/Baked/misc.yml

@@ -248,6 +248,15 @@
           - pancakescc1
           - pancakescc2
           - pancakescc3
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 6
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 5
+        - ReagentId: Theobromine
+          Quantity: 1
 
 - type: entity
   name: waffles

Resources/Prototypes/Entities/Objects/Consumable/Food/Baked/pie.yml

@@ -323,4 +323,13 @@
     layers:
     - state: plate-tart
     - state: cocolava
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 26
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 15
+        - ReagentId: Theobromine
+          Quantity: 2
 # Tastes like tart, dark chocolate.

Resources/Prototypes/Entities/Objects/Consumable/Food/frozen.yml

@@ -63,6 +63,15 @@
   components:
   - type: Sprite
     state: cornuto
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 20
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 10
+        - ReagentId: Theobromine
+          Quantity: 1
 
 # Popsicle
 
@@ -108,6 +117,15 @@
     - state: jumbo
   - type: Food
     trash: FoodFrozenPopsicleTrash
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 30
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 10
+        - ReagentId: Theobromine
+          Quantity: 1
 
 - type: entity
   name: nogga black

Resources/Prototypes/Entities/Objects/Consumable/Food/snacks.yml

@@ -80,6 +80,15 @@
       - id: FoodSnackChocolateBar
     sound:
       path: /Audio/Effects/unwrap.ogg
+  - type: SolutionContainerManager #seems like you can eat it unwrapped
+    solutions:
+      food:
+        maxVol: 30
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 10
+        - ReagentId: Theobromine
+          Quantity: 3
 
 - type: entity
   name: chocolate bar
@@ -92,6 +101,15 @@
     state: chocolatebar-open
   - type: Item
     color: brown
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 30
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 10
+        - ReagentId: Theobromine
+          Quantity: 3
 
 - type: entity
   name: energy bar

Resources/Prototypes/Reagents/Metabolism/metabolizer_types.yml

@@ -3,3 +3,6 @@
 
 - type: metabolizerType
   id: Human
+
+- type: metabolizerType
+  id: Animal

Resources/Prototypes/Reagents/chemicals.yml

@@ -98,6 +98,27 @@
     - !type:PlantAdjustHealth
       amount: 0.5
 
+- type: reagent
+  id: Theobromine
+  name: theobromine
+  desc: Theobromine is a bitter alkaloid of the cacao plant found in chocolate, and some other foods.
+  physicalDesc: grainy
+  color: "#f5f5f5"
+  meltingPoint: 351
+  boilingPoint: 554 # I'm not a chemist, but it boils at 295, lower than melting point, idk how it works so I gave it higher value
+  metabolisms:
+    Poison:
+      effects:
+      - !type:HealthChange
+        conditions:
+        - !type:ReagentThreshold
+          min: 1
+        - !type:OrganType
+          type: Animal # Applying damage to the mobs with lower metabolism capabilities
+        damage:
+          types:
+            Poison: 4
+
 - type: reagent
   id: Plasma
   name: plasma