New science unlock: the H.A.R.M.P.A.C.K (#38824)

Resources/Prototypes/Entities/Clothing/Back/specific.yml

@@ -98,3 +98,25 @@
   - type: Construction
     graph: ClothingBagPet
     node: bagPet
+
+- type: entity
+  parent: Clothing
+  id: ClothingBackpackHarmpack
+  name: H.A.R.M.P.A.C.K.
+  description: Now you can reload, punch, and eat a snack - simultaneously.
+  components:
+  - type: Sprite
+    sprite: Clothing/Back/Specific/harmpack.rsi
+    state: icon
+  - type: Item
+    size: Ginormous
+  - type: Clothing
+    slots: BACK
+  - type: ExtraHandsEquipment
+    hands:
+      # middle hands to prevent overlapping inhand sprites
+      # This can be changed once we have per-hand displacement maps
+      extra_hand_1:
+        location: Middle
+      extra_hand_2:
+        location: Middle

Resources/Prototypes/Recipes/Lathes/Packs/science.yml

@@ -30,6 +30,7 @@
   - SignallerAdvanced
   - DeviceQuantumSpinInverter
   - DeviceDesynchronizer
+  - ClothingBackpackHarmpack
 
 - type: latheRecipePack
   id: ScienceClothing

Resources/Prototypes/Recipes/Lathes/Packs/security.yml

@@ -75,6 +75,7 @@
   - PowerCageMedium
   - PowerCageSmall
   - TelescopicShield
+  - ClothingBackpackHarmpack
 
 - type: latheRecipePack
   id: SecurityBoards

Resources/Prototypes/Recipes/Lathes/security.yml

@@ -84,6 +84,18 @@
     Plasma: 500
     Glass: 500
 
+- type: latheRecipe
+  id: ClothingBackpackHarmpack
+  result: ClothingBackpackHarmpack
+  categories:
+  - Clothing
+  completetime: 15
+  materials:
+    Steel: 2000
+    Plastic: 1000
+    Plasma: 500
+    Gold: 500
+
 # Shields
 - type: latheRecipe
   parent: BaseShieldRecipe

Resources/Prototypes/Research/arsenal.yml

@@ -191,6 +191,18 @@
   technologyPrerequisites:
   - SalvageWeapons
 
+- type: technology
+  id: DualWieldingTechnology
+  name: research-technology-dual-wielding-technology
+  icon:
+    sprite: Clothing/Back/Specific/harmpack.rsi
+    state: icon
+  discipline: Arsenal
+  tier: 2
+  cost: 10000
+  recipeUnlocks:
+  - ClothingBackpackHarmpack
+
 # Tier 3
 
 - type: technology