export function hashSeed(source: string): number {
  let hash = 0x811c9dc5;
  for (let index = 0; index < source.length; index++) {
    hash ^= source.charCodeAt(index);
    hash = Math.imul(hash, 0x01000193);
  }
  return hash >>> 0;
}

export function seededRandom(seed: number): () => number {
  let state = seed >>> 0;
  return () => {
    state += 0x6d2b79f5;
    let value = state;
    value = Math.imul(value ^ (value >>> 15), value | 1);
    value ^= value + Math.imul(value ^ (value >>> 7), value | 61);
    return ((value ^ (value >>> 14)) >>> 0) / 4_294_967_296;
  };
}