Push a scene-light tint onto every material in the given liquid material
sets (white = fully lit, dark blue = night). Emissive contributions are
unaffected — this is the day/night hook that lets lava glow after dark.
Custom materials without a uLightTint uniform are skipped.
Push a scene-light tint onto every material in the given liquid material sets (white = fully lit, dark blue = night). Emissive contributions are unaffected — this is the day/night hook that lets lava glow after dark. Custom materials without a uLightTint uniform are skipped.