mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-23 12:33:06 +00:00
9166d0eb64
Rewrites a good amount of legality APIs pertaining to: * Legal moves that can be learned * Evolution chains & cross-generation paths * Memory validation with forgotten moves In generation 8, there are 3 separate contexts an entity can exist in: SW/SH, BD/SP, and LA. Not every entity can cross between them, and not every entity from generation 7 can exist in generation 8 (Gogoat, etc). By creating class models representing the restrictions to cross each boundary, we are able to better track and validate data. The old implementation of validating moves was greedy: it would iterate for all generations and evolutions, and build a full list of every move that can be learned, storing it on the heap. Now, we check one game group at a time to see if the entity can learn a move that hasn't yet been validated. End result is an algorithm that requires 0 allocation, and a smaller/quicker search space. The old implementation of storing move parses was inefficient; for each move that was parsed, a new object is created and adjusted depending on the parse. Now, move parse results are `struct` and store the move parse contiguously in memory. End result is faster parsing and 0 memory allocation. * `PersonalTable` objects have been improved with new API methods to check if a species+form can exist in the game. * `IEncounterTemplate` objects have been improved to indicate the `EntityContext` they originate in (similar to `Generation`). * Some APIs have been extended to accept `Span<T>` instead of Array/IEnumerable
550 lines
21 KiB
C#
550 lines
21 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using static PKHeX.Core.LegalityCheckStrings;
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using static PKHeX.Core.LanguageID;
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namespace PKHeX.Core;
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/// <summary>
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/// Verifies the <see cref="PKM.Nickname"/>.
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/// </summary>
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public sealed class NicknameVerifier : Verifier
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{
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protected override CheckIdentifier Identifier => CheckIdentifier.Nickname;
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public override void Verify(LegalityAnalysis data)
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{
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var pk = data.Entity;
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// If the Pokémon is not nicknamed, it should match one of the language strings.
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var nickname = pk.Nickname;
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if (nickname.Length == 0)
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{
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data.AddLine(GetInvalid(LNickLengthShort));
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return;
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}
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if (pk.Species > SpeciesName.SpeciesLang[0].Count)
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{
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data.AddLine(Get(LNickLengthShort, Severity.Invalid));
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return;
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}
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var enc = data.EncounterOriginal;
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if (enc is ILangNicknamedTemplate n)
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{
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VerifyFixedNicknameEncounter(data, n, enc, pk, nickname);
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if (pk.IsEgg)
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VerifyNicknameEgg(data);
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return;
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}
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if (pk.Format <= 7 && pk.IsNicknamed) // can nickname afterwards
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{
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if (pk.VC)
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VerifyG1NicknameWithinBounds(data, nickname.AsSpan());
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else if (enc is MysteryGift {IsEgg: false})
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data.AddLine(Get(LEncGiftNicknamed, ParseSettings.NicknamedMysteryGift));
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}
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if (enc is EncounterTrade t)
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{
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VerifyNicknameTrade(data, t);
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if (t.HasNickname)
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return;
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}
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if (pk.IsEgg)
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{
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VerifyNicknameEgg(data);
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return;
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}
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if (VerifyUnNicknamedEncounter(data, pk, nickname))
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return;
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// Non-nicknamed strings have already been checked.
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if (ParseSettings.CheckWordFilter && pk.IsNicknamed)
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{
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if (WordFilter.IsFiltered(nickname, out string bad))
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data.AddLine(GetInvalid($"Word Filter: {bad}"));
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if (TrainerNameVerifier.ContainsTooManyNumbers(nickname, data.Info.Generation))
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data.AddLine(GetInvalid("Word Filter: Too many numbers."));
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}
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}
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private void VerifyFixedNicknameEncounter(LegalityAnalysis data, ILangNicknamedTemplate n, IEncounterTemplate enc, PKM pk, string nickname)
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{
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var nick = n.GetNickname(pk.Language);
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if (string.IsNullOrWhiteSpace(nick))
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{
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if (n is WC8 {IsHOMEGift: true})
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{
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VerifyHomeGiftNickname(data, enc, pk, nickname);
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return;
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}
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if (n.CanHandleOT(pk.Language))
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return;
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if (n is WC3 && pk.Format != 3)
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{
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// Gen3 gifts transferred to Generation 4 from another language can set the nickname flag.
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var evos = data.Info.EvoChainsAllGens.Gen3;
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bool matchAny = evos.Any(evo => !SpeciesName.IsNicknamedAnyLanguage(evo.Species, nickname, 3));
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if (matchAny)
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return;
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}
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if (pk.IsNicknamed)
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data.AddLine(Get(LEncGiftNicknamed, Severity.Invalid));
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return;
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}
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if (!pk.IsNicknamed)
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{
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// Check if it had a nickname at all
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var orig = SpeciesName.GetSpeciesNameGeneration(enc.Species, pk.Language, enc.Generation);
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if (orig == nick)
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{
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// Didn't have a nickname. Ensure that the language matches the current nickname string.
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if (!SpeciesName.IsNicknamed(pk.Species, nickname, pk.Language, pk.Format))
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return;
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}
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// Should have a nickname present.
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data.AddLine(GetInvalid(LNickMatchLanguageFail));
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return;
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}
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// Encounter has a nickname, and PKM should have it.
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var severity = nick != nickname || !pk.IsNicknamed ? Severity.Invalid : Severity.Valid;
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data.AddLine(Get(LEncGiftNicknamed, severity));
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}
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private void VerifyHomeGiftNickname(LegalityAnalysis data, IEncounterTemplate enc, ILangNick pk, string nickname)
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{
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// can nickname on redemption
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if (!pk.IsNicknamed)
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return;
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// Can't nickname everything.
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if (enc.Species == (int) Species.Melmetal)
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{
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data.AddLine(GetInvalid(LEncGiftNicknamed));
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return;
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}
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// Ensure the nickname does not match species name
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var orig = SpeciesName.GetSpeciesNameGeneration(enc.Species, pk.Language, enc.Generation);
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if (nickname == orig)
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data.AddLine(GetInvalid(LNickMatchLanguageFlag));
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}
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private bool VerifyUnNicknamedEncounter(LegalityAnalysis data, PKM pk, string nickname)
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{
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if (pk.IsNicknamed)
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{
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if (data.Info.Generation >= 8)
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{
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// Can only nickname if it matches your language.
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// Setting the nickname to the same as the species name does not set the Nickname flag (equals unmodified, no flag)
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if (!SpeciesName.IsNicknamed(pk.Species, nickname, pk.Language, pk.Format))
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{
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data.AddLine(Get(LNickMatchLanguageFlag, Severity.Invalid));
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return true;
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}
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}
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for (int i = 0; i < SpeciesName.SpeciesDict.Count; i++)
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{
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if (!SpeciesName.SpeciesDict[i].TryGetValue(nickname, out int species))
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continue;
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var msg = species == pk.Species && i != pk.Language ? LNickMatchNoOthersFail : LNickMatchLanguageFlag;
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data.AddLine(Get(msg, ParseSettings.NicknamedAnotherSpecies));
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return true;
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}
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if (pk.Format <= 7 && StringConverter.HasEastAsianScriptCharacters(nickname.AsSpan()) && pk is not PB7) // East Asian Scripts
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{
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data.AddLine(GetInvalid(LNickInvalidChar));
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return true;
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}
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if (nickname.Length > Legal.GetMaxLengthNickname(data.Info.Generation, (LanguageID)pk.Language))
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{
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int length = GetForeignNicknameLength(pk, data.Info.EncounterOriginal, data.Info.Generation);
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var severe = (length != 0 && nickname.Length <= length) ? Severity.Fishy : Severity.Invalid;
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data.AddLine(Get(LNickLengthLong, severe));
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return true;
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}
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data.AddLine(GetValid(LNickMatchNoOthers));
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}
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else if (pk.Format < 3)
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{
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// pk1/pk2 IsNicknamed getter checks for match, logic should only reach here if matches.
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data.AddLine(GetValid(LNickMatchLanguage));
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}
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else
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{
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var enc = data.EncounterOriginal;
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bool valid = IsNicknameValid(pk, enc, nickname);
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var result = valid ? GetValid(LNickMatchLanguage) : GetInvalid(LNickMatchLanguageFail);
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data.AddLine(result);
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}
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return false;
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}
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private static int GetForeignNicknameLength(PKM pk, IEncounterTemplate match, int origin)
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{
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// HOME gifts already verified prior to reaching here.
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System.Diagnostics.Debug.Assert(match is not WC8 {IsHOMEGift:true});
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int length = 0;
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if (origin is (4 or 5 or 6 or 7) && match.EggEncounter && pk.WasTradedEgg)
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length = Legal.GetMaxLengthNickname(origin, English);
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if (pk.FatefulEncounter)
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return length;
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if (pk.Format < 8 || pk.BDSP)
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return length;
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// Can only nickname if the language matches.
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var future = Legal.GetMaxLengthNickname(pk.Format, (LanguageID)pk.Language);
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return Math.Max(length, future);
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}
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private static bool IsNicknameValid(PKM pk, IEncounterTemplate enc, string nickname)
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{
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int species = pk.Species;
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int format = pk.Format;
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int language = pk.Language;
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if (SpeciesName.GetSpeciesNameGeneration(species, language, format) == nickname)
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return true;
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// Can't have another language name if it hasn't evolved or wasn't a language-traded egg.
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// Starting in Generation 8, hatched language-traded eggs will take the Language from the trainer that hatched it.
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// Also in Generation 8, evolving in a foreign language game will retain the original language as the source for the newly evolved species name.
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// Transferring from Gen7->Gen8 realigns the Nickname string to the Language, if not nicknamed.
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bool canHaveAnyLanguage = format <= 7 && (enc.Species != species || pk.WasTradedEgg) && !pk.GG;
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if (canHaveAnyLanguage && !SpeciesName.IsNicknamedAnyLanguage(species, nickname, format))
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return true;
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switch (enc)
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{
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case WC7 wc7 when wc7.IsAshGreninjaWC7(pk):
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return true;
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case ILangNick loc:
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if (loc.Language != 0 && !loc.IsNicknamed && !SpeciesName.IsNicknamedAnyLanguage(species, nickname, format))
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return true; // fixed language without nickname, nice job event maker!
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break;
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}
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if (format == 5 && !pk.IsNative) // transfer
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{
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if (canHaveAnyLanguage)
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return !SpeciesName.IsNicknamedAnyLanguage(species, nickname, 4);
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return SpeciesName.GetSpeciesNameGeneration(species, language, 4) == nickname;
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}
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return false;
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}
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private static void VerifyNicknameEgg(LegalityAnalysis data)
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{
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var Info = data.Info;
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var pk = data.Entity;
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bool flagState = EggStateLegality.IsNicknameFlagSet(Info.EncounterMatch, pk);
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if (pk.IsNicknamed != flagState)
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data.AddLine(GetInvalid(flagState ? LNickFlagEggYes : LNickFlagEggNo, CheckIdentifier.Egg));
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var nick = pk.Nickname;
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if (pk.Format == 2 && !SpeciesName.IsNicknamedAnyLanguage(0, nick, 2))
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data.AddLine(GetValid(LNickMatchLanguageEgg, CheckIdentifier.Egg));
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else if (nick != SpeciesName.GetEggName(pk.Language, Info.Generation))
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data.AddLine(GetInvalid(LNickMatchLanguageEggFail, CheckIdentifier.Egg));
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else
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data.AddLine(GetValid(LNickMatchLanguageEgg, CheckIdentifier.Egg));
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}
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private static void VerifyNicknameTrade(LegalityAnalysis data, EncounterTrade t)
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{
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switch (data.Info.Generation)
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{
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case 8 when t is EncounterTrade8b b: VerifyTrade8b(data, b); return;
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case 1: VerifyTrade12(data, t); return;
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case 2: return; // already checked all relevant properties when fetching with getValidEncounterTradeVC2
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case 3: VerifyTrade3(data, t); return;
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case 4: VerifyTrade4(data, t); return;
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case 5: VerifyTrade5(data, t); return;
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case 6:
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case 7:
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case 8:
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VerifyTrade(data, t, data.Entity.Language); return;
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}
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}
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private void VerifyG1NicknameWithinBounds(LegalityAnalysis data, ReadOnlySpan<char> str)
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{
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var pk = data.Entity;
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if (StringConverter12.GetIsG1English(str))
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{
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if (str.Length > 10)
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data.AddLine(GetInvalid(LNickLengthLong));
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}
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else if (StringConverter12.GetIsG1Japanese(str))
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{
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if (str.Length > 5)
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data.AddLine(GetInvalid(LNickLengthLong));
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}
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else if (pk.Korean && StringConverter2KOR.GetIsG2Korean(str))
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{
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if (str.Length > 5)
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data.AddLine(GetInvalid(LNickLengthLong));
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}
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else
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{
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data.AddLine(GetInvalid(LG1CharNick));
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}
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}
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private static void VerifyTrade12(LegalityAnalysis data, EncounterTrade t)
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{
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var t1 = (EncounterTrade1)t;
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if (!t1.IsNicknameValid(data.Entity))
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data.AddLine(GetInvalid(LEncTradeChangedNickname, CheckIdentifier.Nickname));
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if (!t1.IsTrainerNameValid(data.Entity))
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data.AddLine(GetInvalid(LEncTradeChangedOT, CheckIdentifier.Trainer));
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}
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private static void VerifyTrade3(LegalityAnalysis data, EncounterTrade t)
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{
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var pk = data.Entity;
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int lang = pk.Language;
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if (t.Species == (int)Species.Jynx) // FRLG Jynx
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lang = DetectTradeLanguageG3DANTAEJynx(pk, lang);
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VerifyTrade(data, t, lang);
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}
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private static void VerifyTrade4(LegalityAnalysis data, EncounterTrade t)
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{
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var pk = data.Entity;
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if (pk.TID == 1000)
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{
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VerifyTradeOTOnly(data, t);
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return;
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}
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int lang = pk.Language;
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switch (t.Species)
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{
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case (int)Species.Pikachu: // HGSS Pikachu
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lang = DetectTradeLanguageG4SurgePikachu(pk, t, lang);
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// flag korean on gen4 saves since the pk.Language is German
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FlagKoreanIncompatibleSameGenTrade(data, pk, lang);
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break;
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case (int)Species.Magikarp: // DPPt Magikarp
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lang = DetectTradeLanguageG4MeisterMagikarp(pk, t, lang);
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// flag korean on gen4 saves since the pk.Language is German
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FlagKoreanIncompatibleSameGenTrade(data, pk, lang);
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break;
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default:
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if (t is EncounterTrade4PID && pk.Version is ((int)GameVersion.D or (int)GameVersion.P)) // mainline DP
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{
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// DP English origin are Japanese lang. Can't have LanguageID 2
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if (lang == 2)
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{
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data.AddLine(GetInvalid(string.Format(LOTLanguage, Japanese, English), CheckIdentifier.Language));
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break;
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}
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// Since two locales (JPN/ENG) can have the same LanguageID, check which we should be validating with.
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if (lang == 1 && pk.OT_Name != t.GetOT(1)) // not Japanese
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lang = 2; // verify strings with English locale instead.
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}
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break;
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}
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VerifyTrade(data, t, lang);
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}
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private static void VerifyTrade8b(LegalityAnalysis data, EncounterTrade8b t)
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{
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var pk = data.Entity;
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int lang = pk.Language;
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if (t.Species == (int)Species.Magikarp)
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{
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// Japanese
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if (pk.Language == (int)Japanese && pk.OT_Name is "Diamond." or "Pearl.")
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{
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// Traded between players, the original OT is replaced with the above OT (version dependent) as the original OT is >6 chars in length.
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VerifyTradeNickname(data, t, t.Nicknames[(int)German], pk);
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return;
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}
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lang = DetectTradeLanguageG8MeisterMagikarp(pk, t, lang);
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if (lang == 0) // err
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data.AddLine(GetInvalid(string.Format(LOTLanguage, $"{Japanese}/{German}", $"{(LanguageID)pk.Language}"), CheckIdentifier.Language));
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}
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VerifyTrade(data, t, lang);
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}
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private static int DetectTradeLanguageG8MeisterMagikarp(PKM pk, EncounterTrade8b t, int currentLanguageID)
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{
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// Receiving the trade on a German game -> Japanese LanguageID.
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// Receiving the trade on any other language -> German LanguageID.
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if (currentLanguageID is not ((int)Japanese or (int)German))
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return 0;
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var nick = pk.Nickname;
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var ot = pk.OT_Name;
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for (int i = 1; i < (int)ChineseT; i++)
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{
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if (t.Nicknames[i] != nick)
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continue;
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if (t.TrainerNames[i] != ot)
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continue;
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// Language gets flipped to another language ID; can't be equal.
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var shouldNotBe = currentLanguageID == (int)German ? German : Japanese;
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return i != (int)shouldNotBe ? i : 0;
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}
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return 0;
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}
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private static void FlagKoreanIncompatibleSameGenTrade(LegalityAnalysis data, PKM pk, int lang)
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{
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if (pk.Format != 4 || lang != (int)Korean)
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return; // transferred or not appropriate
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if (ParseSettings.ActiveTrainer.Language != (int)Korean && ParseSettings.ActiveTrainer.Language >= 0)
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data.AddLine(GetInvalid(string.Format(LTransferOriginFInvalid0_1, L_XKorean, L_XKoreanNon), CheckIdentifier.Language));
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}
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private static int DetectTradeLanguage(string OT, EncounterTrade t, int currentLanguageID)
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{
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var names = t.TrainerNames;
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for (int lang = 1; lang < names.Count; lang++)
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{
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if (names[lang] != OT)
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continue;
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return lang;
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}
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return currentLanguageID;
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}
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private static int DetectTradeLanguageG3DANTAEJynx(PKM pk, int currentLanguageID)
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{
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if (currentLanguageID != (int)Italian)
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return currentLanguageID;
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if (pk.Version == (int)GameVersion.LG)
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currentLanguageID = (int)English; // translation error; OT was not localized => same as English
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return currentLanguageID;
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}
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private static int DetectTradeLanguageG4MeisterMagikarp(PKM pk, EncounterTrade t, int currentLanguageID)
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{
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if (currentLanguageID == (int)English)
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return (int)German;
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// All have German, regardless of origin version.
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var lang = DetectTradeLanguage(pk.OT_Name, t, currentLanguageID);
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if (lang == (int)English) // possible collision with FR/ES/DE. Check nickname
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return pk.Nickname == t.Nicknames[(int)French] ? (int)French : (int)Spanish; // Spanish is same as English
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return lang;
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}
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private static int DetectTradeLanguageG4SurgePikachu(PKM pk, EncounterTrade t, int currentLanguageID)
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{
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if (currentLanguageID == (int)French)
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return (int)English;
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// All have English, regardless of origin version.
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var lang = DetectTradeLanguage(pk.OT_Name, t, currentLanguageID);
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if (lang == 2) // possible collision with ES/IT. Check nickname
|
||
return pk.Nickname == t.Nicknames[(int)Italian] ? (int)Italian : (int)Spanish;
|
||
|
||
return lang;
|
||
}
|
||
|
||
private static void VerifyTrade5(LegalityAnalysis data, EncounterTrade t)
|
||
{
|
||
var pk = data.Entity;
|
||
int lang = pk.Language;
|
||
// Trades for JPN games have language ID of 0, not 1.
|
||
if (pk.BW)
|
||
{
|
||
if (pk.Format == 5 && lang == (int)Japanese)
|
||
data.AddLine(GetInvalid(string.Format(LOTLanguage, 0, Japanese), CheckIdentifier.Language));
|
||
|
||
lang = Math.Max(lang, 1);
|
||
VerifyTrade(data, t, lang);
|
||
}
|
||
else // B2W2
|
||
{
|
||
if (t.TID is Encounters5.YancyTID or Encounters5.CurtisTID)
|
||
VerifyTradeOTOnly(data, t);
|
||
else
|
||
VerifyTrade(data, t, lang);
|
||
}
|
||
}
|
||
|
||
private static void VerifyTradeOTOnly(LegalityAnalysis data, EncounterTrade t)
|
||
{
|
||
var result = CheckTradeOTOnly(data, t.TrainerNames);
|
||
data.AddLine(result);
|
||
}
|
||
|
||
private static CheckResult CheckTradeOTOnly(LegalityAnalysis data, IReadOnlyList<string> validOT)
|
||
{
|
||
var pk = data.Entity;
|
||
if (pk.IsNicknamed && (pk.Format < 8 || pk.FatefulEncounter))
|
||
return GetInvalid(LEncTradeChangedNickname, CheckIdentifier.Nickname);
|
||
int lang = pk.Language;
|
||
if (validOT.Count <= lang)
|
||
return GetInvalid(LEncTradeIndexBad, CheckIdentifier.Trainer);
|
||
if (validOT[lang] != pk.OT_Name)
|
||
return GetInvalid(LEncTradeChangedOT, CheckIdentifier.Trainer);
|
||
return GetValid(LEncTradeUnchanged, CheckIdentifier.Nickname);
|
||
}
|
||
|
||
private static void VerifyTrade(LegalityAnalysis data, EncounterTrade t, int language)
|
||
{
|
||
var ot = t.GetOT(language);
|
||
var nick = t.GetNickname(language);
|
||
if (string.IsNullOrEmpty(nick))
|
||
VerifyTradeOTOnly(data, t);
|
||
else
|
||
VerifyTradeOTNick(data, t, nick, ot);
|
||
}
|
||
|
||
private static void VerifyTradeOTNick(LegalityAnalysis data, EncounterTrade t, string nick, string OT)
|
||
{
|
||
var pk = data.Entity;
|
||
// trades that are not nicknamed (but are present in a table with others being named)
|
||
VerifyTradeNickname(data, t, nick, pk);
|
||
|
||
if (OT != pk.OT_Name)
|
||
data.AddLine(GetInvalid(LEncTradeChangedOT, CheckIdentifier.Trainer));
|
||
}
|
||
|
||
private static void VerifyTradeNickname(LegalityAnalysis data, EncounterTrade t, string expectedNickname, PKM pk)
|
||
{
|
||
var result = IsNicknameMatch(expectedNickname, pk, t)
|
||
? GetValid(LEncTradeUnchanged, CheckIdentifier.Nickname)
|
||
: Get(LEncTradeChangedNickname, ParseSettings.NicknamedTrade, CheckIdentifier.Nickname);
|
||
data.AddLine(result);
|
||
}
|
||
|
||
private static bool IsNicknameMatch(string nick, ILangNick pk, EncounterTrade enc)
|
||
{
|
||
if (nick == "Quacklin’" && pk.Nickname == "Quacklin'")
|
||
return true;
|
||
if (enc.IsNicknamed != pk.IsNicknamed)
|
||
return false;
|
||
if (nick != pk.Nickname) // if not match, must not be a nicknamed trade && not currently named
|
||
return !enc.IsNicknamed && !pk.IsNicknamed;
|
||
return true;
|
||
}
|
||
}
|