PkmnLibRSharp/PkmnLibRSharp/StaticData/Nature.cs

using PkmnLibSharp.Utils;
using Interface = PkmnLibSharp.FFI.StaticData.Nature;

namespace PkmnLibSharp.StaticData
{
    public class Nature : HandleType
    {
        protected Nature(FFIHandle handle) : base(handle)
        {
        }

        public static Nature Create(Statistic increasedStat, Statistic decreasedStat, float increaseModifier = 1.1f,
            float decreaseModifier = 0.9f)
        {
            var handle = Interface.nature_new(increasedStat, decreasedStat, increaseModifier, decreaseModifier);
            return Resolver.Instance.ResolveNature(handle.Resolve());
        }

        public static Nature NeutralNature()
        {
            return Create(Statistic.HP, Statistic.HP, 1f, 1f);
        }

        private Statistic? _increasedStat;
        public Statistic IncreasedStat
        {
            get { return _increasedStat ??= Interface.nature_increased_stat(Handle); }
        }

        private Statistic? _decreasedStat;
        public Statistic DecreasedStat
        {
            get { return _decreasedStat ??= Interface.nature_decreased_stat(Handle); }
        }

        public float GetStatModifier(Statistic statistic)
        {
            return Interface.nature_get_stat_modifier(Handle, statistic);
        }
    }
}