Function get_attr_from_attrs

pub fn get_attr_from_attrs(attrs: &AttrMap, attr: &str) -> f64

attrs.get_attr(name): read the composed attribute value from an attribute map. Returns (base + bonus) * (1 + bonus / 10000.0).

of mod in the multiplier. We preserve the original behaviour byte-for-byte so power calculations stay consistent with the current production config.

attrs.get_attr(...) method (registered for scripts that still pass a