The effective Pall Strength at a distance (Pall rules — Pall Strength): the source PAL, minus 1 per 5 feet (or fraction), minus a light reduction; never negative (below zero the Pall has no effect).
The source's Pall Strength.
Distance from the source, in feet.
A PALL_LIGHT_REDUCTION value (default none).
The effective Pall Strength at that distance.
The effective Pall Strength at a distance (Pall rules — Pall Strength): the source PAL, minus 1 per 5 feet (or fraction), minus a light reduction; never negative (below zero the Pall has no effect).