Add Augmentation unique to Grafting

src/Augmentation/AugmentationCreator.tsx

@@ -1484,6 +1484,19 @@ export const initGeneralAugmentations = (): Augmentation[] => [
     ),
     factions: [FactionNames.TianDiHui],
   }),
+
+  // Grafting-exclusive Augmentation
+  new Augmentation({
+    name: AugmentationNames.CongruityImplant,
+    repCost: 0,
+    moneyCost: 150e12,
+    info:
+      "Developed by a pioneer in Grafting research, this implant " +
+      "generates pulses of stability which seem to have a nullifying " +
+      "effect versus the Entropy virus.",
+    stats: <>This Augmentation removes the Entropy virus, and prevents it from affecting you again.</>,
+    factions: [],
+  }),
 ];
 
 export const initBladeburnerAugmentations = (): Augmentation[] => [

src/Augmentation/AugmentationHelpers.tsx

@@ -141,6 +141,11 @@ function applyAugmentation(aug: IPlayerOwnedAugmentation, reapply = false): void
     }
   }
 
+  // Special logic for Congruity Implant
+  if (aug.name === AugmentationNames.CongruityImplant) {
+    Player.entropy = 0;
+  }
+
   // Push onto Player's Augmentation list
   if (!reapply) {
     const ownedAug = new PlayerOwnedAugmentation(aug.name);

src/Augmentation/data/AugmentationNames.ts

@@ -91,6 +91,7 @@ export enum AugmentationNames {
   BionicArms = "Bionic Arms",
   SNA = "Social Negotiation Assistant (S.N.A)",
   HydroflameLeftArm = "Hydroflame Left Arm",
+  CongruityImplant = "nickofolas Congruity Implant",
   EsperEyewear = "EsperTech Bladeburner Eyewear",
   EMS4Recombination = "EMS-4 Recombination",
   OrionShoulder = "ORION-MKIV Shoulder",

src/PersonObjects/Grafting/GraftableAugmentation.ts

@@ -1,6 +1,7 @@
 import { sum } from "lodash";
 
 import { Augmentation } from "../../Augmentation/Augmentation";
+import { AugmentationNames } from "../../Augmentation/data/AugmentationNames";
 import { CONSTANTS } from "../../Constants";
 
 export interface IConstructorParams {
@@ -18,6 +19,11 @@ export class GraftableAugmentation {
   }
 
   get cost(): number {
+    // Sell the Grafting-exclusive Aug at its starting price only
+    if (this.augmentation.name === AugmentationNames.CongruityImplant) {
+      return this.augmentation.startingCost;
+    }
+
     return this.augmentation.startingCost * CONSTANTS.AugmentationGraftingCostMult;
   }
 

src/PersonObjects/Player/PlayerObjectGeneralMethods.tsx

@@ -1371,7 +1371,10 @@ export function finishGraftAugmentationWork(this: IPlayer, cancelled: boolean):
     );
 
     applyAugmentation(Augmentations[augName]);
-    this.entropy += 1;
+
+    if (!this.hasAugmentation(AugmentationNames.CongruityImplant)) {
+      this.entropy += 1;
+    }
     this.applyEntropy(this.entropy);
   } else {
     dialogBoxCreate(`You cancelled the crafting of ${augName}.<br>Your money was not returned to you.`);