Ruby/Sapphire/Emerald

        internal void dmg_skill(
            ref int skill_dmg, ref int weapon_dmg, ref int actor_dmg, ref int support_dmg,
            Data_Weapon weapon, bool magic, int? distance, WeaponTriangle tri)
        {
            int target_def = 0;
            dmg_skill(ref skill_dmg, ref weapon_dmg, ref actor_dmg, ref support_dmg,
                ref target_def, weapon, null, null, magic, distance, tri);
        }
        internal void dmg_skill(
            ref int skill_dmg, ref int weapon_dmg, ref int actor_dmg, ref int support_dmg,
            ref int target_def, Data_Weapon weapon,
            Game_Unit target, Data_Weapon target_weapon, bool magic, int? distance, WeaponTriangle tri, int effectiveness = 1)
        {
            int damage_ratio = actor_dmg / 5;
             Skills: Triange Adept
            if (actor.has_skill("TRIANGLEPLUS"))
                if (tri == WeaponTriangle.Advantage)
                    weapon_dmg += damage_ratio;
                else if (tri == WeaponTriangle.Disadvantage)
                    weapon_dmg -= damage_ratio;
}