Add utility AI (#806)

Co-authored-by: Pieter-Jan Briers <pieterjan.briers@gmail.com>
Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>
Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>

Resources/Prototypes/Entities/Mobs/dummy_npcs.yml

@@ -0,0 +1,10 @@
+- type: entity
+  save: false
+  name: Pathfinding Dummy
+  parent: BaseHumanMob_Content
+  id: HumanMob_PathDummy
+  description: A miserable pile of secrets
+  drawdepth: Mobs
+  components:
+  - type: AiController
+    logic: PathingDummy

Resources/Prototypes/Entities/Mobs/human.yml

@@ -1,12 +1,13 @@
+# Both humans and NPCs inherit from this.
+# Anything human specific (e.g. UI, input) goes under HumanMob_Content
 - type: entity
   save: false
   name: Urist McHands
-  id: HumanMob_Content
+  id: BaseHumanMob_Content
   description: A miserable pile of secrets
   drawdepth: Mobs
+  abstract: true
   components:
-  - type: Mind
-    show_examine_info: true
   - type: Hands
     hands:
     - left
@@ -110,39 +111,50 @@
       layer:
       - Opaque
       - MobImpassable
-  - type: Input
-    context: "human"
   - type: Species
     Template: Human
     HeatResistance: 323
   - type: BodyManager
     BaseTemplate: bodyTemplate.Humanoid
     BasePreset: bodyPreset.BasicHuman
-
-  - type: StatusEffectsUI
-  - type: OverlayEffectsUI
   - type: HeatResistance
   - type: Damageable
-  - type: Eye
-    zoom: 0.5, 0.5
-  - type: CameraRecoil
   - type: Appearance
     visuals:
     - type: SpeciesVisualizer2D
   - type: CombatMode
   - type: Teleportable
-  - type: Examiner
   - type: CharacterInfo
   - type: FootstepSound
   - type: HumanoidAppearance
-  - type: HumanInventoryController
   - type: Stunnable
   - type: AnimationPlayer
 
 - type: entity
   save: false
   name: Urist McHands
+  parent: BaseHumanMob_Content
   abstract: true
+  id: HumanMob_Content
+  description: A miserable pile of secrets
+  drawdepth: Mobs
+  components:
+  - type: Mind
+    show_examine_info: true
+  - type: Constructor
+  - type: Input
+    context: "human"
+  - type: StatusEffectsUI
+  - type: OverlayEffectsUI
+  - type: Eye
+    zoom: 0.5, 0.5
+  - type: CameraRecoil
+  - type: Examiner
+  - type: HumanInventoryController
+
+- type: entity
+  save: false
+  name: Urist McHands
   id: HumanMob_Dummy
   description: A dummy human meant to be used in character setup
   components:

Resources/Prototypes/Entities/Mobs/npcs.yml

@@ -0,0 +1,20 @@
+- type: entity
+  save: false
+  name: Civilian
+  parent: BaseHumanMob_Content
+  id: HumanMob_Civilian
+  description: A miserable pile of secrets
+  drawdepth: Mobs
+  components:
+  - type: AiController
+    logic: Civilian
+
+- type: entity
+  save: false
+  name: Spirate
+  parent: BaseHumanMob_Content
+  id: HumanMob_Spirate
+  description: Yarr
+  components:
+  - type: AiController
+    logic: Spirate