PKHeX/PKHeX.Core/Editing/Applicators/HiddenPowerApplicator.cs

namespace PKHeX.Core
{
    public static class HiddenPowerApplicator
    {
        /// <summary>
        /// Sets the <see cref="PKM.IVs"/> to match a provided <see cref="hiddenPowerType"/>.
        /// </summary>
        /// <param name="pk">Pokémon to modify.</param>
        /// <param name="hiddenPowerType">Desired Hidden Power typing.</param>
        public static void SetHiddenPower(this PKM pk, int hiddenPowerType)
        {
            var IVs = pk.IVs;
            HiddenPower.SetIVsForType(hiddenPowerType, IVs, pk.Format);
            pk.IVs = IVs;
        }

        /// <summary>
        /// Sets the <see cref="PKM.IVs"/> to match a provided <see cref="hiddenPowerType"/>.
        /// </summary>
        /// <param name="pk">Pokémon to modify.</param>
        /// <param name="hiddenPowerType">Desired Hidden Power typing.</param>
        public static void SetHiddenPower(this PKM pk, MoveType hiddenPowerType) => pk.SetHiddenPower((int)hiddenPowerType);
    }
}