PKHeX/PKHeX.Core/Legality/Verifiers/HyperTrainingVerifier.cs

using static PKHeX.Core.LegalityCheckStrings;

namespace PKHeX.Core
{
    public class HyperTrainingVerifier : Verifier
    {
        protected override CheckIdentifier Identifier => CheckIdentifier.Training;

        public override void Verify(LegalityAnalysis data)
        {
            var pkm = data.pkm;
            if (!(pkm is IHyperTrain t))
                return; // No Hyper Training before Gen7

            if (!t.IsHyperTrained())
                return;

            if (pkm.CurrentLevel != 100)
            {
                data.AddLine(GetInvalid(V40));
                return;
            }

            int max = pkm.MaxIV;
            if (pkm.IVTotal == max * 6)
            {
                data.AddLine(GetInvalid(V41));
                return;
            }

            for (int i = 0; i < 6; i++) // Check individual IVs
            {
                if (pkm.GetIV(i) != max || !t.IsHyperTrained(i))
                    continue;
                data.AddLine(GetInvalid(V42));
                break;
            }
        }
    }
}