public static IEnumerable <IEncounterable> GenerateEggs(PKM pkm, IReadOnlyList <EvoCriteria> chain)
{
var canBeEgg = GetCanBeEgg(pkm);
if (!canBeEgg)
{
yield break;
}
var baseID = chain[chain.Count - 1];
if ((baseID.Species >= MaxSpeciesID_2 || baseID.Form != 0) && chain.Count != 1)
{
baseID = chain[chain.Count - 2];
}
if (baseID.Form != 0)
{
yield break; // Forms don't exist in Gen2, besides Unown (which can't breed). Nothing can form-change.
}
int species = baseID.Species;
if (ParseSettings.AllowGen2Crystal(pkm))
{
yield return(new EncounterEgg(species, 0, 5, 2, GameVersion.C)); // gen2 egg
}
yield return(new EncounterEgg(species, 0, 5, 2, GameVersion.GS)); // gen2 egg
}
public LevelUpRestriction(PKM pkm, LegalInfo info)
{
MinimumLevelGen1 = pkm.GenNumber <= 2 ? info.EncounterMatch.LevelMin + 1 : 0;
MinimumLevelGen2 = ParseSettings.AllowGen2MoveReminder(pkm) ? 1 : info.EncounterMatch.LevelMin + 1;
EncounterSpecies = info.EncounterMatch.Species;
EvolutionChains = info.EvoChainsAllGens;
}
private static IEnumerable <EncounterArea> GetEncounterTableGSC(PKM pkm)
{
if (!ParseSettings.AllowGen2Crystal(pkm))
{
return(SlotsGS);
}
// Gen 2 met location is lost outside gen 2 games
if (pkm.Format != 2)
{
return(SlotsGSC);
}
// Format 2 with met location, encounter should be from Crystal
if (pkm.HasOriginalMetLocation)
{
return(SlotsC);
}
// Format 2 without met location but pokemon could not be tradeback to gen 1,
// encounter should be from gold or silver
if (pkm.Species > 151 && !FutureEvolutionsGen1.Contains(pkm.Species))
{
return(SlotsGS);
}
// Encounter could be any gen 2 game, it can have empty met location for have a g/s origin
// or it can be a Crystal pokemon that lost met location after being tradeback to gen 1 games
return(SlotsGSC);
}
private static CheckMoveResult[] ParseMovesForEncounters(PKM pkm, LegalInfo info, IReadOnlyList <int> currentMoves)
{
if (pkm.Species == (int)Species.Smeargle) // special handling for Smeargle
{
return(ParseMovesForSmeargle(pkm, currentMoves, info)); // Smeargle can have any moves except a few
}
// gather valid moves for encounter species
var restrict = new LevelUpRestriction(pkm, info);
info.EncounterMoves = new ValidEncounterMoves(pkm, restrict, info.EncounterMatch);
IReadOnlyList <int> defaultG1LevelMoves = Array.Empty <int>();
IReadOnlyList <int> defaultG2LevelMoves = Array.Empty <int>();
var defaultTradeback = pkm.TradebackStatus;
bool gb = false;
int gen = info.EncounterMatch.Generation;
if (gen <= 2)
{
gb = true;
defaultG1LevelMoves = info.EncounterMoves.LevelUpMoves[1];
if (pkm.InhabitedGeneration(2))
{
defaultG2LevelMoves = info.EncounterMoves.LevelUpMoves[2];
}
// Generation 1 can have different minimum level in different encounter of the same species; update valid level moves
UpdateGen1LevelUpMoves(pkm, info.EncounterMoves, restrict.MinimumLevelGen1, gen, info);
// The same for Generation 2; if move reminder from Stadium 2 is not allowed
if (!ParseSettings.AllowGen2MoveReminder(pkm) && pkm.InhabitedGeneration(2))
{
UpdateGen2LevelUpMoves(pkm, info.EncounterMoves, restrict.MinimumLevelGen2, gen, info);
}
}
var res = info.Generation < 6
? ParseMovesPre3DS(pkm, currentMoves, info)
: ParseMoves3DS(pkm, currentMoves, info);
if (res.All(x => x.Valid))
{
return(res);
}
// not valid
if (gb) // restore generation 1 and 2 moves
{
info.EncounterMoves.LevelUpMoves[1] = defaultG1LevelMoves;
if (pkm.InhabitedGeneration(2))
{
info.EncounterMoves.LevelUpMoves[2] = defaultG2LevelMoves;
}
}
pkm.TradebackStatus = defaultTradeback;
return(res);
}
private static int GetEvoMoveMinLevel2(PKM pkm, int Generation, int minLvLG2, EvoCriteria evo)
{
if (Generation != 2 || ParseSettings.AllowGen2MoveReminder(pkm))
{
return(1);
}
if (evo.MinLevel > 1)
{
return(Math.Min(pkm.CurrentLevel, evo.MinLevel));
}
return(minLvLG2);
}
private static int GetEvoMoveMinLevel2(PKM pkm, int generation, int minLvLG2, EvoCriteria evo)
{
if (generation != 2 || ParseSettings.AllowGen2MoveReminder(pkm))
{
return(1);
}
// For evolutions, return the lower of the two; current level should legally be >=
if (evo.MinLevel > 1)
{
return(Math.Min(pkm.CurrentLevel, evo.MinLevel));
}
return(minLvLG2);
}
private static IEnumerable <EncounterStatic> GetEncounterStaticTableGSC(PKM pkm)
{
if (!ParseSettings.AllowGen2Crystal(pkm))
{
return(StaticGS);
}
if (pkm.Format != 2)
{
return(StaticGSC);
}
if (pkm.HasOriginalMetLocation)
{
return(StaticC);
}
return(StaticGSC);
}
private static GameVersion GetIsTutor2(PKM pkm, int species, int move)
{
if (!ParseSettings.AllowGen2Crystal(pkm))
{
return(NONE);
}
var info = PersonalTable.C[species];
for (int i = 0; i < Tutors_GSC.Length; i++)
{
if (Tutors_GSC[i] == move)
{
return(info.TMHM[57 + i] ? GameVersion.C : NONE);
}
}
return(GetIsTutor1(pkm, species, move));
}
private static CheckMoveResult[] ParseMovesPre3DS(PKM pkm, IReadOnlyList <int> currentMoves, LegalInfo info)
{
if (info.EncounterMatch is EncounterEgg e)
{
return(pkm.IsEgg
? ParseMovesIsEggPreRelearn(pkm, currentMoves, e)
: ParseMovesWasEggPreRelearn(pkm, currentMoves, info, e));
}
int gen = info.EncounterMatch.Generation;
if (gen <= 2 && (gen == 1 || (gen == 2 && !ParseSettings.AllowGen2MoveReminder(pkm)))) // fixed encounter moves without relearning
{
return(ParseMovesGenGB(pkm, currentMoves, info));
}
return(ParseMovesSpecialMoveset(pkm, currentMoves, info));
}
private static void VerifyMiscEggCommon(LegalityAnalysis data)
{
var pkm = data.pkm;
if (pkm.Move1_PPUps > 0 || pkm.Move2_PPUps > 0 || pkm.Move3_PPUps > 0 || pkm.Move4_PPUps > 0)
{
data.AddLine(GetInvalid(LEggPPUp, Egg));
}
if (pkm.Move1_PP != pkm.GetMovePP(pkm.Move1, 0) || pkm.Move2_PP != pkm.GetMovePP(pkm.Move2, 0) || pkm.Move3_PP != pkm.GetMovePP(pkm.Move3, 0) || pkm.Move4_PP != pkm.GetMovePP(pkm.Move4, 0))
{
data.AddLine(GetInvalid(LEggPP, Egg));
}
var EncounterMatch = data.EncounterOriginal;
var HatchCycles = EncounterMatch is EncounterStatic s ? s.EggCycles : 0;
if (HatchCycles == 0) // no value set
{
HatchCycles = pkm.PersonalInfo.HatchCycles;
}
if (pkm.OT_Friendship > HatchCycles)
{
data.AddLine(GetInvalid(LEggHatchCycles, Egg));
}
if (pkm.Format >= 6 && EncounterMatch is EncounterEgg && !pkm.Moves.SequenceEqual(pkm.RelearnMoves))
{
var moves = string.Join(", ", ParseSettings.GetMoveNames(pkm.Moves));
var msg = string.Format(LMoveFExpect_0, moves);
data.AddLine(GetInvalid(msg, Egg));
}
if (pkm is PK8 pk8)
{
if (pk8.HasAnyMoveRecordFlag())
{
data.AddLine(GetInvalid(LEggRelearnFlags, Egg));
}
if (pk8.StatNature != pk8.Nature)
{
data.AddLine(GetInvalid(LEggNature, Egg));
}
}
}
/// <summary>
/// Initializes PKHeX's runtime strings to the specified language.
/// </summary>
/// <param name="lang">2-char language ID</param>
/// <param name="sav">Save data (optional)</param>
/// <param name="hax">Permit illegal things (items, only)</param>
public static void InitializeStrings(string lang, SaveFile?sav = null, bool hax = false)
{
var str = GameInfo.Strings = GameInfo.GetStrings(lang);
if (sav != null)
{
GameInfo.FilteredSources = new FilteredGameDataSource(sav, GameInfo.Sources, hax);
}
// Update Legality Analysis strings
ParseSettings.ChangeLocalizationStrings(str.movelist, str.specieslist);
// Update Legality Strings
Task.Run(() =>
{
RibbonStrings.ResetDictionary(str.ribbons);
LocalizationUtil.SetLocalization(typeof(LegalityCheckStrings), lang);
LocalizationUtil.SetLocalization(typeof(MessageStrings), lang);
});
}
private static CheckMoveResult[] ParseMovesPre3DS(PKM pkm, int[] Moves, LegalInfo info)
{
if (pkm.IsEgg && info.EncounterMatch is EncounterEgg egg)
{
var SpecialMoves = GetSpecialMoves(info.EncounterMatch);
return(ParseMovesIsEggPreRelearn(pkm, Moves, SpecialMoves, egg));
}
if (info.EncounterMatch is EncounterEgg e)
{
return(ParseMovesWasEggPreRelearn(pkm, Moves, info, e));
}
int gen = info.EncounterMatch.Generation;
if (gen <= 2 && (gen == 1 || (gen == 2 && !ParseSettings.AllowGen2MoveReminder(pkm)))) // fixed encounter moves without relearning
{
return(ParseMovesGenGB(pkm, Moves, info));
}
return(ParseMovesSpecialMoveset(pkm, Moves, info));
}
public static IEnumerable <EncounterEgg> GenerateEggs(PKM pkm, IReadOnlyList <EvoCriteria> chain, bool all = false)
{
int species = pkm.Species;
if (!Breeding.CanHatchAsEgg(species))
{
yield break;
}
var canBeEgg = all || GetCanBeEgg(pkm);
if (!canBeEgg)
{
yield break;
}
// Gen2 was before split-breed species existed; try to ensure that the egg we try and match to can actually originate in the game.
// Species must be < 251
// Form must be 0 (Unown cannot breed).
var baseID = chain[chain.Count - 1];
if ((baseID.Species >= Legal.MaxSpeciesID_2 || baseID.Form != 0) && chain.Count != 1)
{
baseID = chain[chain.Count - 2];
}
if (baseID.Form != 0)
{
yield break; // Forms don't exist in Gen2, besides Unown (which can't breed). Nothing can form-change.
}
species = baseID.Species;
if (species > Legal.MaxSpeciesID_2)
{
yield break;
}
if (ParseSettings.AllowGen2Crystal(pkm))
{
yield return(new EncounterEgg(species, 0, 5, 2, GameVersion.C)); // gen2 egg
}
yield return(new EncounterEgg(species, 0, 5, 2, GameVersion.GS)); // gen2 egg
}
public static IEnumerable <IEncounterable> GenerateEggs(PKM pkm, List <EvoCriteria> chain)
{
var canBeEgg = GetCanBeEgg(pkm);
if (!canBeEgg)
{
yield break;
}
var baseID = chain[chain.Count - 1];
if ((baseID.Species >= MaxSpeciesID_2 || baseID.Form != 0) && chain.Count != 1)
{
baseID = chain[chain.Count - 2];
}
int species = baseID.Species;
if (ParseSettings.AllowGen2Crystal(pkm))
{
yield return(new EncounterEgg(species, 0, 5, 2, GameVersion.C)); // gen2 egg
}
yield return(new EncounterEgg(species, 0, 5, 2, GameVersion.GS)); // gen2 egg
}
/// <summary>
/// Checks if a Gen1 trade evolution must have occurred.
/// </summary>
private static bool IsTradeEvolutionRequired(LegalityAnalysis data, IEncounterTemplate enc)
{
// There is no way to prevent a Gen1 trade evolution, as held items (Everstone) did not exist.
// Machoke, Graveler, Haunter and Kadabra captured in the second phase evolution, excluding in-game trades, are already checked
var pkm = data.pkm;
var species = pkm.Species;
// This check is only applicable if it's a trade evolution that has not been evolved.
if (!GBRestrictions.Trade_Evolution1.Contains(enc.Species) || enc.Species != species)
{
return(false);
}
// Context check is only applicable to gen1/2; transferring to Gen2 is a trade.
// Stadium 2 can transfer across game/generation boundaries without initiating a trade.
// Ignore this check if the environment's loaded trainer is not from Gen1/2 or is from GB Era.
if (ParseSettings.ActiveTrainer.Generation >= 3 || ParseSettings.AllowGBCartEra)
{
return(false);
}
// Gen2 stuff can be traded between Gen2 games holding an Everstone, assuming it hasn't been transferred to Gen1 for special moves.
if (enc.Generation == 2)
{
return(data.Info.Moves.All(z => z.Generation == 2));
}
// Gen1 stuff can only be un-evolved if it was never traded from the OT.
if (data.Info.Moves.Any(z => z.Generation != 1))
{
return(true); // traded to Gen2 for special moves
}
if (pkm.Format != 1)
{
return(true); // traded to Gen2 (current state)
}
return(!ParseSettings.IsFromActiveTrainer(pkm)); // not with OT
}
private void VerifyG1TradeEvo(LegalityAnalysis data)
{
if (ParseSettings.ActiveTrainer.Generation >= 3)
return; // context check is only applicable to gen1/2; transferring to gen2 is a trade.
var pkm = data.pkm;
var mustevolve = pkm.TradebackStatus == TradebackType.WasTradeback || (pkm.Format == 1 && !ParseSettings.IsFromActiveTrainer(pkm)) || GBRestrictions.IsTradedKadabraG1(pkm);
if (!mustevolve)
return;
// Pokemon have been traded but it is not evolved, trade evos are sequential dex numbers
var evolved = LegalityAnalysis.SpeciesStrings[pkm.Species + 1];
var unevolved = LegalityAnalysis.SpeciesStrings[pkm.Species];
data.AddLine(GetInvalid(string.Format(LEvoTradeReqOutsider, unevolved, evolved)));
}
private static IEnumerable <IEncounterable> GenerateRawEncounters12(PKM pkm, GameVersion game)
{
bool gsc = GameVersion.GSC.Contains(game);
// Since encounter matching is super weak due to limited stored data in the structure
// Calculate all 3 at the same time and pick the best result (by species).
// Favor special event move gifts as Static Encounters when applicable
var maxspeciesorigin = gsc ? MaxSpeciesID_2 : MaxSpeciesID_1;
var vs = EvolutionChain.GetValidPreEvolutions(pkm, maxspeciesorigin: maxspeciesorigin);
var deferred = new List <IEncounterable>();
foreach (var t in GetValidEncounterTrades(pkm, vs, game))
{
// some OTs are longer than the keyboard entry; don't defer these
if (pkm.Format >= 7 && pkm.OT_Name.Length <= (pkm.Japanese || pkm.Korean ? 5 : 7))
{
deferred.Add(t);
continue;
}
yield return(t);
}
foreach (var s in GetValidStaticEncounter(pkm, vs, game))
{
// Valid stadium and non-stadium encounters, return only non-stadium encounters, they are less restrictive
switch (s.Version)
{
case GameVersion.Stadium:
case GameVersion.Stadium2:
deferred.Add(s);
continue;
case GameVersion.EventsGBGen2:
if (!s.EggEncounter && !pkm.HasOriginalMetLocation)
{
continue;
}
if (pkm.Japanese)
{
deferred.Add(s);
}
continue;
case GameVersion.C when gsc && pkm.Format == 2: // Crystal specific data needs to be present
if (!s.EggEncounter && !pkm.HasOriginalMetLocation)
{
continue;
}
if (s.Species == 251 && ParseSettings.AllowGBCartEra) // no celebi, the GameVersion.EventsGBGen2 will pass thru
{
continue;
}
break;
}
yield return(s);
}
foreach (var e in GetValidWildEncounters12(pkm, vs, game))
{
yield return(e);
}
if (gsc)
{
var canBeEgg = GetCanBeEgg(pkm);
if (canBeEgg)
{
int eggspec = GetBaseEggSpecies(pkm);
if (ParseSettings.AllowGen2Crystal(pkm))
{
yield return new EncounterEgg {
Species = eggspec, Version = GameVersion.C, Level = 5
}
}
; // gen2 egg
yield return(new EncounterEgg {
Species = eggspec, Version = GameVersion.GS, Level = 5
}); // gen2 egg
}
}
foreach (var d in deferred)
{
yield return(d);
}
}
private void VerifyG1TradeEvo(LegalityAnalysis data)
{
var pkm = data.pkm;
var mustevolve = pkm.TradebackStatus == TradebackType.WasTradeback || (pkm.Format == 1 && !ParseSettings.IsFromActiveTrainer(pkm)) || GBRestrictions.IsTradedKadabraG1(pkm);
if (!mustevolve)
{
return;
}
// Pokemon have been traded but it is not evolved, trade evos are sequential dex numbers
var unevolved = LegalityAnalysis.SpeciesStrings[pkm.Species];
var evolved = LegalityAnalysis.SpeciesStrings[pkm.Species + 1];
data.AddLine(GetInvalid(string.Format(LEvoTradeReqOutsider, unevolved, evolved)));
}
private void VerifyG1TradeEvo(LegalityAnalysis data)
{
// Context check is only applicable to gen1/2; transferring to Gen2 is a trade.
// Stadium 2 can transfer across game/generation boundaries without initiating a trade.
if (ParseSettings.ActiveTrainer.Generation >= 3 || ParseSettings.AllowGBCartEra)
{
return;
}
var pkm = data.pkm;
var mustevolve = pkm.TradebackStatus == TradebackType.WasTradeback || (pkm.Format == 1 && !ParseSettings.IsFromActiveTrainer(pkm)) || GBRestrictions.IsTradedKadabraG1(pkm);
if (!mustevolve)
{
return;
}
// Pokemon have been traded but it is not evolved, trade evolutions are sequential dex numbers
var evolved = ParseSettings.SpeciesStrings[pkm.Species + 1];
var unevolved = ParseSettings.SpeciesStrings[pkm.Species];
data.AddLine(GetInvalid(string.Format(LEvoTradeReqOutsider, unevolved, evolved)));
}
private static IEnumerable <IEncounterable> GenerateRawEncounters12(PKM pkm, GameVersion game)
{
bool gsc = GameVersion.GSC.Contains(game);
// Since encounter matching is super weak due to limited stored data in the structure
// Calculate all 3 at the same time and pick the best result (by species).
// Favor special event move gifts as Static Encounters when applicable
var maxspeciesorigin = gsc ? MaxSpeciesID_2 : MaxSpeciesID_1;
var vs = EvolutionChain.GetValidPreEvolutions(pkm, maxspeciesorigin: maxspeciesorigin);
var deferred = new List <IEncounterable>();
foreach (var t in GetValidEncounterTrades(pkm, vs, game))
{
if (pkm.Format >= 7 && (t.Generation == 2 || t.GetOT(pkm.Language) != pkm.OT_Name)) // ot length collision
{
deferred.Add(t);
continue;
}
yield return(t);
}
foreach (var s in GetValidStaticEncounter(pkm, vs, game))
{
// Valid stadium and non-stadium encounters, return only non-stadium encounters, they are less restrictive
switch (s.Version)
{
case GameVersion.Stadium:
case GameVersion.Stadium2:
deferred.Add(s);
continue;
case GameVersion.EventsGBGen2:
if (!s.EggEncounter && !pkm.HasOriginalMetLocation)
{
continue;
}
if (pkm.Japanese)
{
deferred.Add(s);
}
continue;
case GameVersion.C when gsc && pkm.Format == 2: // Crystal specific data needs to be present
if (!s.EggEncounter && !pkm.HasOriginalMetLocation)
{
continue;
}
if (s.Species == 251 && ParseSettings.AllowGBCartEra) // no celebi, the GameVersion.EventsGBGen2 will pass thru
{
continue;
}
break;
}
yield return(s);
}
// clear egg flag
// necessary for static egg gifts which appear in wild, level 8 GS clefairy
// GetValidWildEncounters immediately returns empty otherwise
pkm.WasEgg = false;
foreach (var e in GetValidWildEncounters12(pkm, vs, game))
{
yield return(e);
}
if (gsc)
{
bool WasEgg = !pkm.Gen1_NotTradeback && GetWasEgg23(pkm) && !NoHatchFromEgg.Contains(pkm.Species);
if (WasEgg)
{
// Further Filtering
if (pkm.Format < 3)
{
WasEgg &= pkm.Met_Location == 0 || pkm.Met_Level == 1; // 2->1->2 clears met info
WasEgg &= pkm.CurrentLevel >= 5;
}
}
if (WasEgg)
{
int eggspec = GetBaseEggSpecies(pkm);
if (ParseSettings.AllowGen2Crystal(pkm))
{
yield return new EncounterEgg {
Species = eggspec, Version = GameVersion.C, Level = 5
}
}
; // gen2 egg
yield return(new EncounterEgg {
Species = eggspec, Version = GameVersion.GS, Level = 5
}); // gen2 egg
}
}
foreach (var d in deferred)
{
yield return(d);
}
}