package swol_noKnockbackInvinc
{
function ProjectileData::radiusImpulse(%this,%proj,%obj,%a,%pos,%b,%c)
{
if(%obj.getDatablock().getId() == InvinciblePlayer.getId())
return;
parent::radiusImpulse(%this,%proj,%obj,%a,%pos,%b,%c);
}
};
activatePackage(swol_noKnockbackInvinc);
i dont know the name of the invincible player datablock but thats how you should do it