bool ma_requirements::is_valid_player(player &u)
{
    for( auto buff_id : req_buffs ) {

        if (!u.has_mabuff(buff_id)) {
            return false;
        }
    }

    //A technique is valid if it applies to unarmed strikes, if it applies generally
    //to all weapons (such as Ninjutsu sneak attacks or innate weapon techniques like RAPID)
    //or if the weapon is flagged as being compatible with the style. Some techniques have
    //further restrictions on required weapon properties (is_valid_weapon).
    bool cqb = u.has_active_bionic("bio_cqb");
    bool valid = ((unarmed_allowed && u.unarmed_attack()) ||
                  (melee_allowed && !u.unarmed_attack() && is_valid_weapon(u.weapon)) ||
                  (u.has_weapon() && martialarts[u.style_selected].has_weapon(u.weapon.type->id) &&
                   is_valid_weapon(u.weapon))) &&
                 ((u.skillLevel("melee") >= min_melee &&
                   u.skillLevel("unarmed") >= min_unarmed &&
                   u.skillLevel("bashing") >= min_bashing &&
                   u.skillLevel("cutting") >= min_cutting &&
                   u.skillLevel("stabbing") >= min_stabbing) || cqb);

    return valid;
}