PKHeX/PKHeX.Core/Legality/Verifiers/NicknameVerifier.cs

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using System;
using System.Collections.Generic;
using static PKHeX.Core.LegalityCheckStrings;
using static PKHeX.Core.LanguageID;
namespace PKHeX.Core
{
/// <summary>
/// Verifies the <see cref="PKM.Nickname"/>.
/// </summary>
public sealed class NicknameVerifier : Verifier
{
protected override CheckIdentifier Identifier => CheckIdentifier.Nickname;
public override void Verify(LegalityAnalysis data)
{
var pkm = data.pkm;
var EncounterMatch = data.EncounterOriginal;
// If the Pokémon is not nicknamed, it should match one of the language strings.
if (pkm.Nickname.Length == 0)
{
data.AddLine(GetInvalid(LNickLengthShort));
return;
}
if (pkm.Species > SpeciesName.SpeciesLang[0].Count)
{
data.AddLine(Get(LNickLengthShort, Severity.Indeterminate));
return;
}
if (pkm.Format <= 7 && pkm.IsNicknamed) // can nickname afterwards
{
if (pkm.VC)
VerifyG1NicknameWithinBounds(data, pkm.Nickname);
else if (EncounterMatch is MysteryGift m && !m.IsEgg)
data.AddLine(Get(LEncGiftNicknamed, ParseSettings.NicknamedMysteryGift));
}
if (EncounterMatch is EncounterTrade t)
{
VerifyNicknameTrade(data, t);
return;
}
if (pkm.IsEgg)
{
VerifyNicknameEgg(data);
return;
}
string nickname = pkm.Nickname.Replace('\'', '');
if (VerifyUnNicknamedEncounter(data, pkm, nickname))
return;
// Non-nicknamed strings have already been checked.
if (ParseSettings.CheckWordFilter && pkm.IsNicknamed)
{
if (WordFilter.IsFiltered(nickname, out string bad))
data.AddLine(GetInvalid($"Word Filter: {bad}"));
if (TrainerNameVerifier.ContainsTooManyNumbers(nickname, data.Info.Generation))
data.AddLine(GetInvalid("Word Filter: Too many numbers."));
}
}
private bool VerifyUnNicknamedEncounter(LegalityAnalysis data, PKM pkm, string nickname)
{
if (pkm.IsNicknamed)
{
for (int i = 0; i < SpeciesName.SpeciesLang.Count; i++)
{
if (!SpeciesName.SpeciesDict[i].TryGetValue(nickname, out int index))
continue;
var msg = index == pkm.Species && i != pkm.Language ? LNickMatchNoOthersFail : LNickMatchLanguageFlag;
data.AddLine(Get(msg, Severity.Fishy));
return true;
}
if (pkm.Format <= 7 && StringConverter.HasEastAsianScriptCharacters(nickname) && !(pkm is PB7)) // East Asian Scripts
{
data.AddLine(GetInvalid(LNickInvalidChar));
return true;
}
if (nickname.Length > Legal.GetMaxLengthNickname(data.Info.Generation, (LanguageID)pkm.Language))
{
var severe = pkm.Format >= 8 || (data.EncounterOriginal.EggEncounter && pkm.WasTradedEgg && nickname.Length <= Legal.GetMaxLengthNickname(data.Info.Generation, English))
? Severity.Fishy
: Severity.Invalid;
data.AddLine(Get(LNickLengthLong, severe));
return true;
}
data.AddLine(GetValid(LNickMatchNoOthers));
}
else if (pkm.Format < 3)
{
// pk1/pk2 IsNicknamed getter checks for match, logic should only reach here if matches.
data.AddLine(GetValid(LNickMatchLanguage));
}
else
{
var EncounterMatch = data.EncounterOriginal;
bool valid = IsNicknameValid(pkm, EncounterMatch, nickname);
var result = valid ? GetValid(LNickMatchLanguage) : GetInvalid(LNickMatchLanguageFail);
data.AddLine(result);
}
return false;
}
private static bool IsNicknameValid(PKM pkm, IEncounterable EncounterMatch, string nickname)
{
int species = pkm.Species;
int format = pkm.Format;
int language = pkm.Language;
if (SpeciesName.GetSpeciesNameGeneration(species, language, format) == nickname)
return true;
// Can't have another language name if it hasn't evolved or wasn't a language-traded egg.
// Starting in Generation 8, hatched language-traded eggs will take the Language from the trainer that hatched it.
// Also in Generation 8, evolving in a foreign language game will retain the original language as the source for the newly evolved species name.
// Transferring from Gen7->Gen8 realigns the Nickname string to the Language, if not nicknamed.
bool canHaveAnyLanguage = pkm.Format <= 7 && (EncounterMatch.Species != species || pkm.WasTradedEgg);
if (canHaveAnyLanguage && !SpeciesName.IsNicknamedAnyLanguage(species, nickname, format))
return true;
switch (EncounterMatch)
{
case WC7 wc7 when wc7.IsAshGreninjaWC7(pkm):
return true;
case ILangNick loc:
if (loc.Language != 0 && !loc.IsNicknamed && !SpeciesName.IsNicknamedAnyLanguage(species, nickname, format))
return true; // fixed language without nickname, nice job event maker!
break;
}
if (pkm.Format == 5 && !pkm.IsNative) // transfer
{
if (canHaveAnyLanguage)
return !SpeciesName.IsNicknamedAnyLanguage(species, nickname, 4);
return SpeciesName.GetSpeciesNameGeneration(species, language, 4) == nickname;
}
return false;
}
private void VerifyNicknameEgg(LegalityAnalysis data)
{
var Info = data.Info;
var pkm = data.pkm;
var EncounterMatch = Info.EncounterMatch;
switch (pkm.Format)
{
case 4:
if (pkm.IsNicknamed) // gen4 doesn't use the nickname flag for eggs
data.AddLine(GetInvalid(LNickFlagEggNo, CheckIdentifier.Egg));
break;
case 7:
if (EncounterMatch is EncounterStatic ^ !pkm.IsNicknamed) // gen7 doesn't use for ingame gifts
data.AddLine(GetInvalid(pkm.IsNicknamed ? LNickFlagEggNo : LNickFlagEggYes, CheckIdentifier.Egg));
break;
default:
if (!pkm.IsNicknamed)
data.AddLine(GetInvalid(LNickFlagEggYes, CheckIdentifier.Egg));
break;
}
if (pkm.Format == 2 && pkm.IsEgg && !SpeciesName.IsNicknamedAnyLanguage(0, pkm.Nickname, 2))
data.AddLine(GetValid(LNickMatchLanguageEgg, CheckIdentifier.Egg));
else if (SpeciesName.GetSpeciesNameGeneration(0, pkm.Language, Info.Generation) != pkm.Nickname)
data.AddLine(GetInvalid(LNickMatchLanguageEggFail, CheckIdentifier.Egg));
else
data.AddLine(GetValid(LNickMatchLanguageEgg, CheckIdentifier.Egg));
}
private void VerifyNicknameTrade(LegalityAnalysis data, EncounterTrade t)
{
switch (data.Info.Generation)
{
case 1:
case 2: VerifyTrade12(data, t); return;
case 3: VerifyTrade3(data, t); return;
case 4: VerifyTrade4(data, t); return;
case 5: VerifyTrade5(data, t); return;
case 6:
case 7:
case 8:
VerifyTrade(data, t, data.pkm.Language); return;
}
}
private void VerifyG1NicknameWithinBounds(LegalityAnalysis data, string str)
{
var pkm = data.pkm;
if (StringConverter12.GetIsG1English(str))
{
if (str.Length > 10)
data.AddLine(GetInvalid(LNickLengthLong));
}
else if (StringConverter12.GetIsG1Japanese(str))
{
if (str.Length > 5)
data.AddLine(GetInvalid(LNickLengthLong));
}
else if (pkm.Korean && StringConverter2KOR.GetIsG2Korean(str))
{
if (str.Length > 5)
data.AddLine(GetInvalid(LNickLengthLong));
}
else
{
data.AddLine(GetInvalid(LG1CharNick));
}
}
private static void VerifyTrade12(LegalityAnalysis data, EncounterTrade t)
{
if (t.TID != 0) // Gen2 Trade
return; // already checked all relevant properties when fetching with getValidEncounterTradeVC2
if (!((EncounterTrade1)t).IsEncounterTrade1Valid(data.pkm))
data.AddLine(GetInvalid(LEncTradeChangedOT, CheckIdentifier.Trainer));
}
private static void VerifyTrade3(LegalityAnalysis data, EncounterTrade t)
{
var pkm = data.pkm;
int lang = pkm.Language;
if (t.Species == (int)Species.Jynx) // FRLG Jynx
lang = DetectTradeLanguageG3DANTAEJynx(pkm, lang);
VerifyTrade(data, t, lang);
}
private static void VerifyTrade4(LegalityAnalysis data, EncounterTrade t)
{
var pkm = data.pkm;
if (pkm.TID == 1000)
{
VerifyTradeOTOnly(data, t);
return;
}
int lang = pkm.Language;
switch (t.Species)
{
case (int)Species.Pikachu: // HGSS Pikachu
lang = DetectTradeLanguageG4SurgePikachu(pkm, t, lang);
// flag korean on gen4 saves since the pkm.Language is German
FlagKoreanIncompatibleSameGenTrade(data, pkm, lang);
break;
case (int)Species.Magikarp: // DPPt Magikarp
lang = DetectTradeLanguageG4MeisterMagikarp(pkm, t, lang);
// flag korean on gen4 saves since the pkm.Language is German
FlagKoreanIncompatibleSameGenTrade(data, pkm, lang);
break;
default:
if (lang == 1 && (pkm.Version == (int)GameVersion.D || pkm.Version == (int)GameVersion.P))
{
// DP English origin are Japanese lang
if (pkm.OT_Name != t.GetOT(1)) // not japanese
lang = 2; // English
}
break;
}
VerifyTrade(data, t, lang);
}
private static void FlagKoreanIncompatibleSameGenTrade(LegalityAnalysis data, PKM pkm, int lang)
{
if (pkm.Format != 4 || lang != (int)Korean)
return; // transferred or not appropriate
if (ParseSettings.ActiveTrainer.Language != (int)Korean && ParseSettings.ActiveTrainer.Language >= 0)
data.AddLine(GetInvalid(string.Format(LTransferOriginFInvalid0_1, L_XKorean, L_XKoreanNon), CheckIdentifier.Language));
}
private static int DetectTradeLanguage(string OT, EncounterTrade t, int currentLanguageID)
{
var names = t.TrainerNames;
for (int lang = 1; lang < names.Count; lang++)
{
if (names[lang] != OT)
continue;
return lang;
}
return currentLanguageID;
}
private static int DetectTradeLanguageG3DANTAEJynx(PKM pk, int currentLanguageID)
{
if (currentLanguageID != (int)Italian)
return currentLanguageID;
if (pk.Version == (int)GameVersion.LG)
currentLanguageID = (int)English; // translation error; OT was not localized => same as English
return currentLanguageID;
}
private static int DetectTradeLanguageG4MeisterMagikarp(PKM pkm, EncounterTrade t, int currentLanguageID)
{
if (currentLanguageID == (int)English)
return (int)German;
// All have German, regardless of origin version.
var lang = DetectTradeLanguage(pkm.OT_Name, t, currentLanguageID);
if (lang == (int)English) // possible collision with FR/ES/DE. Check nickname
return pkm.Nickname == t.Nicknames[(int)French] ? (int)French : (int)Spanish; // Spanish is same as English
return lang;
}
private static int DetectTradeLanguageG4SurgePikachu(PKM pkm, EncounterTrade t, int currentLanguageID)
{
if (currentLanguageID == (int)French)
return (int)English;
// All have English, regardless of origin version.
var lang = DetectTradeLanguage(pkm.OT_Name, t, currentLanguageID);
if (lang == 2) // possible collision with ES/IT. Check nickname
return pkm.Nickname == t.Nicknames[(int)Italian] ? (int)Italian : (int)Spanish;
return lang;
}
private static void VerifyTrade5(LegalityAnalysis data, EncounterTrade t)
{
var pkm = data.pkm;
int lang = pkm.Language;
// Trades for JPN games have language ID of 0, not 1.
if (pkm.BW)
{
if (pkm.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 == Encounters5.YancyTID || t.TID == 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 pkm = data.pkm;
if (pkm.IsNicknamed && pkm.Format < 8)
return GetInvalid(LEncTradeChangedNickname, CheckIdentifier.Nickname);
int lang = pkm.Language;
if (validOT.Count <= lang)
return GetInvalid(LEncTradeIndexBad, CheckIdentifier.Trainer);
if (validOT[lang] != pkm.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);
VerifyTradeOTNick(data, t, nick, ot);
}
private static void VerifyTradeOTNick(LegalityAnalysis data, EncounterTrade t, string nick, string OT)
{
var pkm = data.pkm;
// trades that are not nicknamed (but are present in a table with others being named)
var result = IsNicknameMatch(nick, pkm, t)
? GetValid(LEncTradeUnchanged, CheckIdentifier.Nickname)
: Get(LEncTradeChangedNickname, ParseSettings.NicknamedTrade, CheckIdentifier.Nickname);
data.AddLine(result);
if (OT != pkm.OT_Name)
data.AddLine(GetInvalid(LEncTradeChangedOT, CheckIdentifier.Trainer));
}
private static bool IsNicknameMatch(string nick, ILangNick pkm, IEncounterable EncounterMatch)
{
if (nick == "Quacklin" && pkm.Nickname == "Quacklin'")
return true;
var trade = (EncounterTrade) EncounterMatch;
if (trade.IsNicknamed != pkm.IsNicknamed)
return false;
if (nick != pkm.Nickname) // if not match, must not be a nicknamed trade && not currently named
return !trade.IsNicknamed && !pkm.IsNicknamed;
return true;
}
}
}