private static ToHitData getLimbModifier(int loc, Entity ae) {
ToHitData toHit = new ToHitData();
// damaged or missing actuators
if (!ae.hasWorkingSystem(Mech.ACTUATOR_UPPER_LEG, loc)) {
toHit.addModifier(2, "Upper leg actuator destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_LOWER_LEG, loc)) {
toHit.addModifier(2, "Lower leg actuator destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_FOOT, loc)) {