import type { WorldgenContext } from "bworld/worldgen";

// runs in chunk workers on the server and every client, which must all generate the same world.
// only use chunk.rng and the noise helpers, never Math.random or the time
export function setup(gen: WorldgenContext) {
	// a boulder on one chunk in ten
	gen.register_feature("example_mod:boulders", (chunk) => {
		if (chunk.rng.next() > 0.1) {
			return;
		}
		const x = chunk.x * 16 + Math.floor(chunk.rng.next() * 16);
		const z = chunk.z * 16 + Math.floor(chunk.rng.next() * 16);
		chunk.set_block(x, chunk.height_at(x, z) + 1, z, "bworld:stone");
	});
}