Added hacknet node api functions for spending hashes. Fixed several bugs with v0.46.0. Rebalanced hash upgrades. continued working on terminal directory implementation

src/Hacknet/HashUpgrade.ts

@@ -2,6 +2,7 @@
  * Object representing an upgrade that can be purchased with hashes
  */
 export interface IConstructorParams {
+    cost?: number;
     costPerLevel: number;
     desc: string;
     hasTargetServer?: boolean;
@@ -10,6 +11,14 @@ export interface IConstructorParams {
 }
 
 export class HashUpgrade {
+    /**
+     * If the upgrade has a flat cost (never increases), it goes here
+     * Otherwise, this property should be undefined
+     *
+     * This property overrides the 'costPerLevel' property
+     */
+    cost?: number;
+
     /**
      * Base cost for this upgrade. Every time the upgrade is purchased,
      * its cost increases by this same amount (so its 1x, 2x, 3x, 4x, etc.)
@@ -35,6 +44,8 @@ export class HashUpgrade {
     value: number = 0;
 
     constructor(p: IConstructorParams) {
+        if (p.cost != null) { this.cost = p.cost; }
+
         this.costPerLevel = p.costPerLevel;
         this.desc = p.desc;
         this.hasTargetServer = p.hasTargetServer ? p.hasTargetServer : false;
@@ -43,6 +54,8 @@ export class HashUpgrade {
     }
 
     getCost(levels: number): number {
+        if (typeof this.cost === "number") { return this.cost; }
+
         return Math.round((levels + 1) * this.costPerLevel);
     }
 }