Using World Seed in Recipe

Summary

Get the Accurate World Seed

const seed = NBT.l(server.worldData.worldGenOptions().seed());

Tips

The seed can only be stored as a String or NBT. If stored as a Number, it may result in inaccuracies due to Java Double floating-point precision errors.

ServerEvents.loaded((event) => {
  const { server } = event;

  const seed = server.worldData.worldGenOptions().seed();
  server.persistentData.putLong("seed", seed);

  server.scheduleInTicks(10, () => server.runCommandSilent("reload"));
});

ServerEvents.recipes((event) => {
  const { server } = Utils;

  if (!server) return;
  const seed = server.persistentData.getLong("seed");

  // do_something(seed);
});