AAA-style rain ambience for Nauvis: staged storms, rain-only mode, thunder+rain mode, full thunderstorm mode, layered rain sheets, bolt-free blue-white lightning flashes linked to thunder, cinematic thunder layering, wind gusts, tile-aware splashes, post-rain visuals, dry-weather audio guard, wet-weather solar reduction, pollution washout, fire extinguishing, debug commands, and safe sound volume clamping.
Small changes concerning balance, gameplay, or graphics.
