fn roll_rppm_impact_effect(
ctx: &mut CombatCtx<'_>,
source: ActorId,
proc: ImpactEffectProc,
tracker: LocalRppmIdx,
) -> boolfn roll_rppm_impact_effect(
ctx: &mut CombatCtx<'_>,
source: ActorId,
proc: ImpactEffectProc,
tracker: LocalRppmIdx,
) -> bool