bitburner-src/src/Hacknet/HacknetServer.ts

/**
 * Hacknet Servers - Reworked Hacknet Node mechanic for BitNode-9
 */
import { CONSTANTS } from "../Constants";

import { IHacknetNode } from "./IHacknetNode";

import { BaseServer } from "../Server/BaseServer";
import { RunningScript } from "../Script/RunningScript";
import { HacknetServerConstants } from "./data/Constants";
import { 
    calculateHashGainRate,
    calculateLevelUpgradeCost,
    calculateRamUpgradeCost,
    calculateCoreUpgradeCost,
    calculateCacheUpgradeCost,
} from "./formulas/HacknetServers";

import { createRandomIp } from "../../utils/IPAddress";

import {
    Generic_fromJSON,
    Generic_toJSON,
    Reviver,
} from "../../utils/JSONReviver";

interface IConstructorParams {
    adminRights?: boolean;
    hostname: string;
    ip?: string;
    isConnectedTo?: boolean;
    maxRam?: number;
    organizationName?: string;
}

export class HacknetServer extends BaseServer implements IHacknetNode {

    // Cache level. Affects hash Capacity
    cache = 1;

    // Number of cores. Improves hash production
    cores = 1;

    // Number of hashes that can be stored by this Hacknet Server
    hashCapacity = 0;

    // Hashes produced per second
    hashRate = 0;

    // Similar to Node level. Improves hash production
    level = 1;

    // How long this HacknetServer has existed, in seconds
    onlineTimeSeconds = 0;

    // Total number of hashes earned by this server
    totalHashesGenerated = 0;

    constructor(params: IConstructorParams={ hostname: "", ip: createRandomIp() }) {
        super(params);

        this.maxRam = 1;
        this.updateHashCapacity();
    }

    calculateCacheUpgradeCost(levels: number): number {
        return calculateCacheUpgradeCost(this.cache, levels);
    }

    calculateCoreUpgradeCost(levels: number, costMult: number): number {
        return calculateCoreUpgradeCost(this.cores, levels, costMult);
    }

    calculateLevelUpgradeCost(levels: number, costMult: number): number {
        return calculateLevelUpgradeCost(this.level, levels, costMult);
    }

    calculateRamUpgradeCost(levels: number, costMult: number): number {
        return calculateRamUpgradeCost(this.maxRam, levels, costMult);
    }

    // Process this Hacknet Server in the game loop. Returns the number of hashes generated
    process(numCycles=1): number {
        const seconds = numCycles * CONSTANTS.MilliPerCycle / 1000;

        return this.hashRate * seconds;
    }

    upgradeCache(levels: number): void {
        this.cache = Math.min(HacknetServerConstants.MaxCache, Math.round(this.cache + levels));
        this.updateHashCapacity();
    }

    upgradeCore(levels: number, prodMult: number): void {
        this.cores = Math.min(HacknetServerConstants.MaxCores, Math.round(this.cores + levels));
        this.updateHashRate(prodMult);
    }

    upgradeLevel(levels: number, prodMult: number): void {
        this.level = Math.min(HacknetServerConstants.MaxLevel, Math.round(this.level + levels));
        this.updateHashRate(prodMult);
    }

    upgradeRam(levels: number, prodMult: number): boolean {
        for (let i = 0; i < levels; ++i) {
            this.maxRam *= 2;
        }
        this.maxRam = Math.min(HacknetServerConstants.MaxRam, Math.round(this.maxRam));
        this.updateHashRate(prodMult);

        return true;
    }
    
    // Whenever a script is run, we must update this server's hash rate
    runScript(script: RunningScript, prodMult?: number): void {
        super.runScript(script);
        if (prodMult != null && typeof prodMult === "number") {
            this.updateHashRate(prodMult);
        }
    }

    updateHashCapacity(): void {
        this.hashCapacity = 32 * Math.pow(2, this.cache);
    }

    updateHashRate(prodMult: number): void {
        this.hashRate = calculateHashGainRate(this.level, this.ramUsed, this.maxRam, this.cores, prodMult)

        if (isNaN(this.hashRate)) {
            this.hashRate = 0;
            console.error(`Error calculating Hacknet Server hash production. This is a bug. Please report to game dev`, false);
        }
    }

    // Serialize the current object to a JSON save state
    toJSON(): any {
        return Generic_toJSON("HacknetServer", this);
    }

    // Initializes a HacknetServer Object from a JSON save state
    // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
    static fromJSON(value: any): HacknetServer {
        return Generic_fromJSON(HacknetServer, value.data);
    }
}

Reviver.constructors.HacknetServer = HacknetServer;