casino_installer.js

export async function main(ns) {
  const buffer = [];
  if (ns.args[0] === "-w") {
    // Wait until change
    ns.tprintf("Waiting for new installer.js version...");
    const deadline = Date.now() + 10000;
    while (Date.now() < deadline) {
      if (ns.ls("home", ns.args[1]).length) {
        buffer.push("New version of installer.js received!");
        break;
      }
      await ns.asleep(100);
    }
    if (Date.now() >= deadline) {
      ns.tprintf("WARNING: No new installer.js, gave up after 10 seconds.");
      return;
    }
    ns.mv("home", ns.args[1], "installer.js");
    ns.run("installer.js");
    return;
  }
  for (const [path, content] of Object.entries(data)) {
    if (content === ns.read(path)) {
      buffer.push(ns.sprintf("Skipped %s", path));
    } else {
      buffer.push(ns.sprintf("Writing %s...", path));
      ns.write(path, content, "w");
    }
  }
  ns.tprintf("%s", buffer.join("\n"));
}

var data = {
  "coinflip.js":
    '// This is a basically a direct copy from the source.\nclass BadRng {\n  x;\n  m = 1024;\n  a = 341;\n  c = 1;\n\n  constructor() {\n    this.x = 0;\n    this.reset();\n  }\n\n  step() {\n    this.x = (this.a * this.x + this.c) % this.m;\n  }\n\n  random() {\n    this.step();\n    return this.x / this.m;\n  }\n\n  reset() {\n    this.x = 0;\n  }\n}\n\n/** @param {NS} ns */\nexport async function main(ns) {\n  ns.disableLog("ALL");\n  if (!ns.args[0] || typeof ns.args[0] !== "string") {\n    ns.tprintf("ERROR: Need initial sequence of flips to align sequence!");\n    ns.tprintf(\'Specify flips with "run coinflip.js HTHTTH" etc.\');\n    return;\n  }\n  const chr = [];\n  const rng = new BadRng();\n  for (let i = 0; i < 1024; ++i) {\n    chr[i] = rng.random() < 0.5 ? "H" : "T";\n  }\n  let haystack = chr.join("");\n  haystack += haystack.slice(0, ns.args[0].length - 1);\n  const re = RegExp(ns.args[0], "g");\n  let goodIdx, result;\n  let numResults = 0;\n  while ((result = re.exec(haystack))) {\n    goodIdx = result.index;\n    re.lastIndex = result.index + 1;\n    numResults++;\n  }\n  if (numResults !== 1) {\n    ns.tprintf(\n      "ERROR: Needed 1 match, but found %d matching sequences",\n      numResults\n    );\n    if (numResults === 0) {\n      ns.tprintf("You made a mistake, or there is a program error.");\n    } else {\n      ns.tprintf("Try gathering more coin flips.");\n    }\n    return;\n  }\n  const cut = goodIdx + ns.args[0].length;\n  haystack = haystack.slice(cut, 1024) + haystack.slice(0, cut);\n\n  ns.clearLog();\n  ns.tail();\n  await ns.asleep(5);\n  ns.resizeTail(389, 673);\n  const output = [];\n  let line = "";\n  for (let i = 0; i < 256; ++i) {\n    line += haystack.slice(i * 4, i * 4 + 4);\n    if (i % 8 == 7) {\n      output.push(line);\n      if (i % 32 == 31) {\n        output.push("");\n      }\n      line = "";\n      continue;\n    }\n    line += " ";\n    if (i % 4 == 3) {\n      line += " ";\n    }\n  }\n  ns.printf("%s", output.join("\\n"));\n}\n',
  "roulette.js":
    '// Directly copied from the source, with a few utility functions added\nexport class WHRNG {\n  s1 = 0;\n  s2 = 0;\n  s3 = 0;\n\n  constructor(seed) {\n    const v = (seed / 1000) % 30000;\n    this.s1 = v;\n    this.s2 = v;\n    this.s3 = v;\n  }\n\n  step() {\n    this.s1 = (171 * this.s1) % 30269;\n    this.s2 = (172 * this.s2) % 30307;\n    this.s3 = (170 * this.s3) % 30323;\n  }\n\n  random() {\n    this.step();\n    return Math.floor(\n      ((this.s1 / 30269.0 + this.s2 / 30307.0 + this.s3 / 30323.0) % 1.0) * 37\n    );\n  }\n\n  clone() {\n    const copy = new WHRNG(0);\n    copy.s1 = this.s1;\n    copy.s2 = this.s2;\n    copy.s3 = this.s3;\n    return copy;\n  }\n\n  matches(num, won) {\n    while (true) {\n      const val = this.random();\n      // If value is in low range, it may have been skipped due to house\n      // cheating.\n      if (!won && val > 0 && val <= 18) continue;\n      return val === num;\n    }\n  }\n}\n\n// Scrape the DOM and get the current roulette state\nfunction getLastPlay(h4s) {\n  for (let i = 0; i < h4s.length; ++i) {\n    const e = h4s[i];\n    if (e.innerText !== "Iker Molina Casino") continue;\n    if (h4s.length <= i + 2) {\n      return null;\n    }\n    const match1 = /^(\\d\\d?)[RB]?$/.exec(h4s[i + 1].innerText);\n    if (!match1) {\n      return null;\n    }\n    const match2 = /^won|^lost|^playing$|^waiting$/.exec(h4s[i + 2].innerText);\n    if (!match2) {\n      return null;\n    }\n    return [match2[0], match1[1] | 0];\n  }\n  return null;\n}\n\n/** @param {NS} ns */\nexport async function main(ns) {\n  ns.disableLog("ALL");\n\n  ns.clearLog();\n  ns.tail();\n  ns.atExit(() => ns.closeTail());\n  await ns.asleep(5);\n  ns.resizeTail(389, 100);\n  const doc = globalThis["document"];\n  // State is both used as an enum, but also is the function to call to\n  // process the current state and transition to the next one.\n  let state = waiting;\n  let timebase = 0;\n  let seeds = [];\n  let bet = 0;\n  let nextseq = "";\n\n  while (true) {\n    ns.clearLog();\n    state();\n    await ns.asleep(100);\n  }\n  return;\n\n  function next_bet() {\n    const seed_copy = seeds[0].clone();\n    bet = seeds[0].random();\n    const acc = [];\n    for (let i = 0; i < 8; ++i) {\n      acc.push(seed_copy.random());\n    }\n    nextseq = acc.join(" ");\n  }\n\n  function ready_playing() {\n    return ready();\n  }\n\n  function ready() {\n    const play = getLastPlay(doc.getElementsByTagName("h4"));\n    if (!play) {\n      state = waiting;\n      return state();\n    }\n    if (play[0] === "playing") {\n      state = ready_playing;\n    }\n    if (play[0] === "waiting") {\n      state = error;\n      return state();\n    }\n    if ((play[0] === "won" || play[0] === "lost") && state == ready_playing) {\n      state = ready;\n      if (play[0] === "won") {\n        if (play[1] !== bet) {\n          state = error;\n          return state();\n        }\n      } else {\n        // Player might misclick on the wrong thing, we\'re still OK if we lose\n        // but land on the predicted number.\n        if (play[1] !== bet) {\n          let nextnum;\n          while ((nextnum = seeds[0].random()) === bet) {}\n          if (play[1] !== nextnum) {\n            state = error;\n            return state();\n          }\n        }\n      }\n      next_bet();\n    }\n    const state_str = state === ready_playing ? "Playing" : "Ready";\n    const bet_str = state === ready_playing ? "" : bet;\n    ns.printf(\n      `\nState: ${state_str}\nBet on: ${bet_str}\nGo big: \\x1b[5mYES\\x1b[0m\nBet sequence: ${nextseq}\n      `.trim()\n    );\n  }\n\n  function error() {\n    const play = getLastPlay(doc.getElementsByTagName("h4"));\n    if (!play) {\n      state = waiting;\n      return state();\n    }\n    // "ERROR" is written with an Omicron to avoid triggering the style regex\n    ns.printf(\n      `\nState: \\x1b[31mERRΟR\\x1b[0m\nCouldn\'t determine seed. Leave the Roulette table and come back.\nThis may be caused by betting incorrectly, or possibly by a logic bug.\n      `.trim()\n    );\n  }\n\n  function playing() {\n    return study();\n  }\n\n  function study() {\n    const play = getLastPlay(doc.getElementsByTagName("h4"));\n    if (!play) {\n      state = waiting;\n      return state();\n    }\n    if (play[0] === "playing") {\n      state = playing;\n    }\n    if (play[0] === "waiting" && state === waiting) {\n      state = study;\n      timebase = Date.now();\n      seeds = [];\n      for (let i = -1000; i <= 0; ++i) {\n        seeds[i + 1000] = new WHRNG(timebase + i);\n      }\n    }\n    if ((play[0] === "won" || play[0] === "lost") && state == playing) {\n      state = study;\n      const won = play[0] === "won";\n      const num = play[1];\n      // Always clear seeds if won doesn\'t line up with Low/High expectation,\n      // that way we will fall into error state immediately.\n      if ((won && num > 18) || (!won && num <= 18 && num > 0)) {\n        seeds = [];\n      }\n      let pushIdx = 0;\n      for (let i = 0; i < seeds.length; ++i) {\n        const seed = seeds[i];\n        seeds[pushIdx] = seed;\n        if (seed.matches(num, won)) {\n          pushIdx++;\n        }\n      }\n      seeds.splice(pushIdx);\n      if (!seeds.length) {\n        state = error;\n        return state();\n      }\n      if (seeds.length === 1) {\n        state = ready;\n        next_bet();\n        return state();\n      }\n    }\n    const state_str = state === playing ? "Playing" : "Finding state";\n    ns.printf(\n      `\nState: ${state_str}\nBet on: Low\nGo big: \\x1b[31mNO\\x1b[0m\nSeeds remaining: ${seeds.length}\n      `.trim()\n    );\n  }\n\n  function waiting() {\n    const play = getLastPlay(doc.getElementsByTagName("h4"));\n    if (play) {\n      return study();\n    }\n    ns.printf(\n      `\nState: Waiting to play roulette\nBet on: Low\nGo big: \\x1b[31mNO\\x1b[0m\n\\u180e\n      `.trim()\n    );\n  }\n}\n',
};