using System; using System.Collections.Generic; using System.Linq; namespace PKHeX.Core { /// /// Trade Encounter data /// /// /// Trade data is fixed level in all cases except for the first few generations of games. /// public abstract record EncounterTrade : IEncounterable, IMoveset, ILocation, IEncounterMatch, IFixedBall, IFixedAbilityNumber { public int Species { get; init; } public int Form { get; init; } public int Level { get; init; } public virtual int LevelMin => Level; public int LevelMax => 100; public IReadOnlyList Moves { get; init; } = Array.Empty(); public abstract int Generation { get; } public GameVersion Version { get; } public int CurrentLevel { get; init; } = -1; public abstract int Location { get; } public int Ability { get; init; } public int Gender { get; init; } = -1; public Nature Nature { get; init; } = Nature.Random; public Shiny Shiny { get; init; } = Shiny.Never; public int Ball { get; init; } = 4; public Ball FixedBall => (Ball)Ball; public int TID { get; init; } public int SID { get; init; } public int OTGender { get; init; } = -1; public IReadOnlyList IVs { get; init; } = Array.Empty(); public bool EggEncounter => false; public int EggLocation { get; init; } public bool EvolveOnTrade { get; init; } public int TID7 { init { TID = (ushort) value; SID = value >> 16; } } private const string _name = "In-game Trade"; public string Name => _name; public string LongName => _name; public bool IsNicknamed { get; init; } = true; public bool IsShiny => Shiny.IsShiny(); public IReadOnlyList Nicknames { get; internal set; } = Array.Empty(); public IReadOnlyList TrainerNames { get; internal set; } = Array.Empty(); public string GetNickname(int language) => (uint)language < Nicknames.Count ? Nicknames[language] : string.Empty; public string GetOT(int language) => (uint)language < TrainerNames.Count ? TrainerNames[language] : string.Empty; public bool HasNickname => Nicknames.Count != 0 && IsNicknamed; public bool HasTrainerName => TrainerNames.Count != 0; protected EncounterTrade(GameVersion game) => Version = game; public PKM ConvertToPKM(ITrainerInfo sav) => ConvertToPKM(sav, EncounterCriteria.Unrestricted); public PKM ConvertToPKM(ITrainerInfo sav, EncounterCriteria criteria) { var pk = PKMConverter.GetBlank(Generation, Version); sav.ApplyTo(pk); ApplyDetails(sav, criteria, pk); return pk; } protected virtual void ApplyDetails(ITrainerInfo sav, EncounterCriteria criteria, PKM pk) { var version = this.GetCompatibleVersion((GameVersion)sav.Game); int lang = (int)Language.GetSafeLanguage(Generation, (LanguageID)sav.Language, version); int level = CurrentLevel > 0 ? CurrentLevel : LevelMin; if (level == 0) level = Math.Max(1, LevelMin); int species = Species; if (EvolveOnTrade) species++; pk.EncryptionConstant = Util.Rand32(); pk.Species = species; pk.Form = Form; pk.Language = lang; pk.OT_Name = pk.Format == 1 ? StringConverter12.G1TradeOTStr : HasTrainerName ? GetOT(lang) : sav.OT; pk.OT_Gender = HasTrainerName ? Math.Max(0, OTGender) : sav.Gender; pk.SetNickname(HasNickname ? GetNickname(lang) : string.Empty); pk.CurrentLevel = level; pk.Version = (int) version; pk.TID = TID; pk.SID = SID; pk.Ball = Ball; pk.OT_Friendship = pk.PersonalInfo.BaseFriendship; SetPINGA(pk, criteria); SetMoves(pk, version, level); var time = DateTime.Now; if (pk.Format != 2 || version == GameVersion.C) { SetMetData(pk, level, Location, time); } else { pk.OT_Gender = 0; } if (EggLocation != 0) SetEggMetData(pk, time); if (pk.Format < 6) return; sav.ApplyHandlingTrainerInfo(pk, force: true); pk.SetRandomEC(); if (pk is IScaledSize s) { s.HeightScalar = PokeSizeUtil.GetRandomScalar(); s.WeightScalar = PokeSizeUtil.GetRandomScalar(); } if (pk is PK6 pk6) pk6.SetRandomMemory6(); } protected virtual void SetPINGA(PKM pk, EncounterCriteria criteria) { var pi = pk.PersonalInfo; int gender = criteria.GetGender(Gender, pi); int nature = (int)criteria.GetNature(Nature); int ability = criteria.GetAbilityFromNumber(Ability); PIDGenerator.SetRandomWildPID(pk, Generation, nature, ability, gender); pk.Nature = pk.StatNature = nature; pk.Gender = gender; pk.RefreshAbility(ability); SetIVs(pk); } protected void SetIVs(PKM pk) { if (IVs.Count != 0) pk.SetRandomIVs(IVs, 0); else pk.SetRandomIVs(flawless: 3); } private void SetMoves(PKM pk, GameVersion version, int level) { var moves = Moves.Count != 0 ? Moves : MoveLevelUp.GetEncounterMoves(pk, level, version); if (pk.Format == 1 && moves.All(z => z == 0)) moves = ((PersonalInfoG1)PersonalTable.RB[Species]).Moves; pk.SetMoves(moves); pk.SetMaximumPPCurrent(moves); } private void SetEggMetData(PKM pk, DateTime time) { pk.Egg_Location = EggLocation; pk.EggMetDate = time; } private static void SetMetData(PKM pk, int level, int location, DateTime time) { pk.Met_Level = level; pk.Met_Location = location; pk.MetDate = time; } public virtual bool IsMatchExact(PKM pkm, DexLevel evo) { if (IVs.Count != 0) { if (!Legal.GetIsFixedIVSequenceValidSkipRand(IVs, pkm)) return false; } if (!IsMatchNatureGenderShiny(pkm)) return false; if (TID != pkm.TID) return false; if (SID != pkm.SID) return false; if (!IsMatchLevel(pkm, evo)) return false; if (CurrentLevel != -1 && CurrentLevel > pkm.CurrentLevel) return false; if (Form != evo.Form && !FormInfo.IsFormChangeable(Species, Form, pkm.Form, pkm.Format)) return false; if (OTGender != -1 && OTGender != pkm.OT_Gender) return false; if (EggLocation != pkm.Egg_Location) return false; // if (z.Ability == 4 ^ pkm.AbilityNumber == 4) // defer to Ability // continue; if (!Version.Contains((GameVersion)pkm.Version)) return false; return true; } private bool IsMatchLevel(PKM pkm, DexLevel evo) { if (!pkm.HasOriginalMetLocation) return evo.Level >= Level; if (Location != pkm.Met_Location) return false; if (pkm.Format < 5) return evo.Level >= Level; return pkm.Met_Level == Level; } protected virtual bool IsMatchNatureGenderShiny(PKM pkm) { if (!Shiny.IsValid(pkm)) return false; if (Gender != -1 && Gender != pkm.Gender) return false; if (Nature != Nature.Random && pkm.Nature != (int)Nature) return false; return true; } public EncounterMatchRating GetMatchRating(PKM pkm) { if (IsMatchPartial(pkm)) return EncounterMatchRating.PartialMatch; if (IsMatchDeferred(pkm)) return EncounterMatchRating.Deferred; return EncounterMatchRating.Match; } protected virtual bool IsMatchDeferred(PKM pkm) => false; protected virtual bool IsMatchPartial(PKM pkm) => false; } }