@haelp/teto/dist/engine/garbage/legacy.mjs.map

A typescript-based controllable TETR.IO client.

{"version":3,"sources":["../../../src/engine/garbage/legacy.ts"],"sourcesContent":["import {\n  type GarbageQueueInitializeParams,\n  type IncomingGarbage,\n  type GarbageQueueSnapshot,\n  type OutgoingGarbage\n} from \".\";\nimport { deepCopy, RNG } from \"../utils\";\n\nconst columnWidth = (width: number, garbageHoleSize: number) => {\n  return Math.max(0, width - (garbageHoleSize - 1));\n};\n\nexport class LegacyGarbageQueue {\n  options: GarbageQueueInitializeParams;\n\n  queue: IncomingGarbage[];\n\n  lastTankTime: number = 0;\n  lastColumn: number | null = null;\n  rng: RNG;\n\n  // for opener phase calculations\n  sent = 0;\n\n  constructor(options: GarbageQueueInitializeParams) {\n    this.options = deepCopy(options);\n    if (!this.options.cap.absolute)\n      this.options.cap.absolute = Number.MAX_SAFE_INTEGER;\n\n    this.queue = [];\n\n    this.rng = new RNG(this.options.seed);\n  }\n\n  snapshot(): GarbageQueueSnapshot {\n    return {\n      seed: this.rng.seed,\n      lastTankTime: this.lastTankTime,\n      lastColumn: this.lastColumn,\n      sent: this.sent,\n      queue: deepCopy(this.queue),\n      hasChangedColumn: false,\n      lastReceivedCount: 0\n    };\n  }\n\n  fromSnapshot(snapshot: GarbageQueueSnapshot) {\n    this.queue = deepCopy(snapshot.queue);\n    this.lastTankTime = snapshot.lastTankTime;\n    this.lastColumn = snapshot.lastColumn;\n    this.rng = new RNG(snapshot.seed);\n    this.sent = snapshot.sent;\n  }\n\n  rngex() {\n    return this.rng.nextFloat();\n  }\n\n  get size() {\n    return this.queue.reduce((a, b) => a + b.amount, 0);\n  }\n\n  receive(...args: IncomingGarbage[]) {\n    this.queue.push(...args.filter((arg) => arg.amount > 0));\n\n    while (this.size > this.options.cap.absolute) {\n      const total = this.size;\n      if (this.queue.at(-1)!.amount <= total - this.options.cap.absolute) {\n        this.queue.pop();\n      } else {\n        this.queue.at(-1)!.amount -= total - this.options.cap.absolute;\n      }\n    }\n  }\n\n  confirm(cid: number, gameid: number, frame: number) {\n    const obj = this.queue.find((g) => g.cid === cid && g.gameid === gameid);\n    if (!obj) return false;\n    obj.frame = frame;\n    obj.confirmed = true;\n    return true;\n  }\n\n  cancel(\n    amount: number,\n    pieceCount: number,\n    legacy: { openerPhase?: boolean } = {}\n  ) {\n    let send = amount,\n      cancel = 0;\n\n    let cancelled: IncomingGarbage[] = [];\n\n    if (\n      pieceCount + 1 <=\n        this.options.openerPhase - (legacy.openerPhase ? 1 : 0) &&\n      this.size >= this.sent\n    )\n      cancel += amount;\n    while ((send > 0 || cancel > 0) && this.size > 0) {\n      this.queue[0].amount--;\n\n      if (\n        cancelled.length === 0 ||\n        cancelled[cancelled.length - 1].cid !== this.queue[0].cid\n      ) {\n        cancelled.push({ ...this.queue[0], amount: 1 });\n      } else {\n        cancelled[cancelled.length - 1].amount++;\n      }\n\n      if (this.queue[0].amount <= 0) this.queue.shift();\n      if (send > 0) send--;\n      else cancel--;\n    }\n\n    this.sent += send;\n    return [send, cancelled] as const;\n  }\n\n  /**\n   * This function does NOT take into account messiness on timeout.\n   * The first garbage hole will be correct,\n   * but subsequent holes depend on whether or not garbage is cancelled.\n   */\n  predict() {\n    const rng = this.rng.clone();\n    const rngex = rng.nextFloat.bind(rng);\n\n    let lastColumn = this.lastColumn;\n\n    const reroll = () => {\n      lastColumn = this.#__internal_rerollColumn(lastColumn, rngex);\n      return lastColumn;\n    };\n\n    const result = this.#__internal_tank(\n      deepCopy(this.queue),\n      () => lastColumn,\n      rngex,\n      reroll,\n      -Number.MIN_SAFE_INTEGER,\n      Number.MAX_SAFE_INTEGER,\n      false\n    );\n\n    return result.res;\n  }\n\n  get nextColumn() {\n    const rng = this.rng.clone();\n    if (this.lastColumn === null)\n      return this.#__internal_rerollColumn(null, rng.nextFloat.bind(rng));\n    return this.lastColumn;\n  }\n\n  #__internal_rerollColumn(current: number | null, rngex: RNG[\"nextFloat\"]) {\n    let col: number;\n    const cols = columnWidth(\n      this.options.boardWidth,\n      this.options.garbage.holeSize\n    );\n\n    if (this.options.messiness.nosame && current !== null) {\n      col = Math.floor(rngex() * (cols - 1));\n      if (col >= current) col++;\n    } else {\n      col = Math.floor(rngex() * cols);\n    }\n\n    return col;\n  }\n\n  #rerollColumn() {\n    const col = this.#__internal_rerollColumn(\n      this.lastColumn,\n      this.rngex.bind(this)\n    );\n    this.lastColumn = col;\n    return col;\n  }\n\n  #__internal_tank(\n    queue: IncomingGarbage[],\n    lastColumn: () => number | null,\n    rngex: () => number,\n    reroll: () => number,\n    frame: number,\n    cap: number,\n    hard: boolean\n  ) {\n    if (queue.length === 0) return { res: [], lastColumn, queue };\n\n    const res: OutgoingGarbage[] = [];\n\n    queue = queue.sort((a, b) => a.frame - b.frame);\n\n    if (\n      this.options.messiness.timeout &&\n      frame >= this.lastTankTime + this.options.messiness.timeout\n    ) {\n      reroll();\n      this.lastTankTime = frame;\n    }\n\n    let total = 0;\n\n    while (total < cap && queue.length > 0) {\n      const item = deepCopy(queue[0]);\n\n      // TODO: wtf hacky fix, this is 100% not right idk how to fix this\n      if (item.frame + this.options.garbage.speed > (hard ? frame : frame - 1))\n        break; // do not spawn garbage that is still traveling\n      total += item.amount;\n\n      let exausted = false;\n\n      if (total > cap) {\n        const excess = total - cap;\n        queue[0].amount = excess;\n        item.amount -= excess;\n      } else {\n        queue.shift();\n        exausted = true;\n      }\n\n      for (let i = 0; i < item.amount; i++) {\n        const r =\n          lastColumn() === null || rngex() < this.options.messiness.within;\n        res.push({\n          ...item,\n          id: item.cid,\n          amount: 1,\n          column: r ? reroll() : lastColumn()!\n        });\n      }\n\n      if (exausted && rngex() < this.options.messiness.change) {\n        reroll();\n      }\n    }\n\n    return {\n      res,\n      queue\n    };\n  }\n\n  tank(frame: number, cap: number, hard: boolean) {\n    const { res, queue } = this.#__internal_tank(\n      this.queue,\n      () => this.lastColumn,\n      this.rngex.bind(this),\n      this.#rerollColumn.bind(this),\n      frame,\n      cap,\n      hard\n    );\n\n    this.queue = queue;\n\n    return res.map((v) => ({ ...v, bombs: this.options.bombs }));\n  }\n\n  round(amount: number): number {\n    switch (this.options.rounding) {\n      case \"down\":\n        return Math.floor(amount);\n      case \"rng\":\n        const floored = Math.floor(amount);\n        if (floored === amount) return floored;\n        const decimal = amount - floored;\n        return floored + (this.rngex() < decimal ? 1 : 0);\n      default:\n        throw new Error(`Invalid rounding mode ${this.options.rounding}`);\n    }\n  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