// Fifteen light levels plus the halo sampled by faces and partial models.
export const LOCAL_LIGHT_HALO = 18;
export function localLightBounds(id, view) {
  if (!view) return null;
  const [x,,z] = id.split(',').map(value=>Math.floor(Number(value)/2)*32);
  return {
    min:[Math.max(view.min[0],x-LOCAL_LIGHT_HALO),view.min[1],Math.max(view.min[2],z-LOCAL_LIGHT_HALO)],
    max:[Math.min(view.max[0],x+31+LOCAL_LIGHT_HALO),view.max[1],Math.min(view.max[2],z+31+LOCAL_LIGHT_HALO)],
  };
}