using System; namespace PKHeX.Core; /// /// Group that checks the source of a move in . /// public sealed class LearnGroup8a : ILearnGroup { public static readonly LearnGroup8a Instance = new(); private const byte Generation = 8; private const EntityContext Context = EntityContext.Gen8a; public ushort MaxMoveID => Legal.MaxMoveID_8a; public ILearnGroup? GetPrevious(PKM pk, EvolutionHistory history, IEncounterTemplate enc, LearnOption option) => null; public bool HasVisited(PKM pk, EvolutionHistory history) => history.HasVisitedPLA; public bool Check(Span result, ReadOnlySpan current, PKM pk, EvolutionHistory history, IEncounterTemplate enc, MoveSourceType types = MoveSourceType.All, LearnOption option = LearnOption.Current) { var evos = history.Gen8a; for (var i = 0; i < evos.Length; i++) Check(result, current, pk, evos[i], i); if (MoveResult.AllParsed(result)) return true; var home = LearnGroupHOME.Instance; if (option != LearnOption.HOME && home.HasVisited(pk, history)) return home.Check(result, current, pk, history, enc, types); return false; } private static void Check(Span result, ReadOnlySpan current, PKM pk, EvoCriteria evo, int stage) { var game = LearnSource8LA.Instance; if (!game.TryGetPersonal(evo.Species, evo.Form, out var pi)) return; // should never happen. for (int i = result.Length - 1; i >= 0; i--) { if (result[i].Valid) continue; var move = current[i]; var chk = game.GetCanLearn(pk, pi, evo, move); if (chk != default) result[i] = new(chk, (byte)stage, Generation); } } public void GetAllMoves(Span result, PKM pk, EvolutionHistory history, IEncounterTemplate enc, MoveSourceType types = MoveSourceType.All, LearnOption option = LearnOption.Current) { if (types.HasFlag(MoveSourceType.Encounter) && enc.Context == Context) FlagEncounterMoves(enc, result); foreach (var evo in history.Gen8a) GetAllMoves(result, pk, evo, types, option); var home = LearnGroupHOME.Instance; if (option != LearnOption.HOME && home.HasVisited(pk, history)) home.GetAllMoves(result, pk, history, enc, types); } private static void GetAllMoves(Span result, PKM pk, EvoCriteria evo, MoveSourceType types, LearnOption option) { if (!FormChangeUtil.ShouldIterateForms(evo.Species, evo.Form, Generation, option)) { GetAllMovesInternal(result, pk, evo, types); return; } // Check all forms var inst = LearnSource8LA.Instance; if (!inst.TryGetPersonal(evo.Species, evo.Form, out var pi)) return; var fc = pi.FormCount; for (int i = 0; i < fc; i++) GetAllMovesInternal(result, pk, evo with { Form = (byte)i }, types); } private static void GetAllMovesInternal(Span result, PKM pk, EvoCriteria evo, MoveSourceType types) { LearnSource8LA.Instance.GetAllMoves(result, pk, evo, types); } private static void FlagEncounterMoves(IEncounterTemplate enc, Span result) { if (enc is IMoveset { Moves: { HasMoves: true } x }) { result[x.Move4] = true; result[x.Move3] = true; result[x.Move2] = true; result[x.Move1] = true; } if (enc is IRelearn { Relearn: { HasMoves: true } r }) { result[r.Move4] = true; result[r.Move3] = true; result[r.Move2] = true; result[r.Move1] = true; } } }