Function ripen 

pub fn ripen(
    f: &mut Fruit,
    d: &FruitTemplate,
    growth: f32,
    dt: i64,
    calendar: f32,
    t: f32,
)

FruitComponent’s scheduled update. A picked tree waits for the next season (months 7–11 keep it picked). A grown tree ripens at 1 / (months × 300) per second scaled by 1 − ((t − best) / range)² (0 outside the range, −10 at or below 32 °F).

Original: FUN_14004a740.