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| /** | |
| * Droid-speak captions: turn a phrase's unit-class sequence into text, the | |
| * way a protocol droid would transcribe it. Deterministic per (classes, seed). | |
| * This is the placeholder for the future droid-speak language model. | |
| */ | |
| import type { VoiceMode } from "./emotions.generated.js"; | |
| export type UnitClass = "rise" | "fall" | "flat" | "trill" | "warble" | "blat"; | |
| const WORDS: Record<UnitClass, string[]> = { | |
| rise: ["bweep", "wheep", "brdee", "vwee"], | |
| fall: ["boo", "bwoop", "dwoo", "vhoom"], | |
| flat: ["beep", "bip", "dit", "bop"], | |
| trill: ["brrrt", "drrrr", "trrri", "prrp"], | |
| warble: ["wooble", "wawoo", "oowee", "wubwub"], | |
| blat: ["bzzt", "grzzk", "blat", "vrrk"], | |
| }; | |
| const ENDINGS: Record<VoiceMode, string> = { | |
| ramble: ".", | |
| curious: "?", | |
| happy: "!", | |
| excited: "!", | |
| sad: "…", | |
| scared: "!", | |
| angry: "!!", | |
| sleepy: "…", | |
| affirmative: "!", | |
| negative: ".", | |
| surprised: "!", | |
| confused: "?", | |
| }; | |
| function hash(seed: number, i: number): number { | |
| let h = (seed ^ Math.imul(i + 1, 2654435761)) >>> 0; | |
| h = Math.imul(h ^ (h >>> 13), 0x5bd1e995) >>> 0; | |
| return (h ^ (h >>> 15)) >>> 0; | |
| } | |
| export function droidText(classes: UnitClass[], voice: VoiceMode, seed: number): string { | |
| const words = classes.map((cls, i) => { | |
| const options = WORDS[cls]; | |
| const word = options[hash(seed, i) % options.length] ?? "beep"; | |
| // repeated classes read as a stutter: "bip-bip" | |
| return classes[i - 1] === cls && hash(seed, i) % 3 === 0 ? `${word}-${word}` : word; | |
| }); | |
| const ending = ENDINGS[voice]; | |
| return words.join(" ") + ending; | |
| } | |