using static PKHeX.Core.LegalityCheckStrings; namespace PKHeX.Core { /// <summary> /// Verifies the <see cref="PKM.Language"/>. /// </summary> public sealed class LanguageVerifier : Verifier { protected override CheckIdentifier Identifier => CheckIdentifier.Language; public override void Verify(LegalityAnalysis data) { var pkm = data.pkm; int originalGeneration = data.Info.Generation; int currentLanguage = pkm.Language; int maxLanguageID = Legal.GetMaxLanguageID(originalGeneration); var enc = data.EncounterMatch; if (!IsValidLanguageID(currentLanguage, maxLanguageID, pkm, enc)) { data.AddLine(GetInvalid(string.Format(LOTLanguage, $"<={(LanguageID)maxLanguageID}", (LanguageID)currentLanguage))); return; } // Korean Gen4 games can not trade with other Gen4 languages, but can use Pal Park with any Gen3 game/language. if (pkm.Format == 4 && enc.Generation == 4 && !IsValidG4Korean(currentLanguage) && enc is not EncounterTrade4PID {Species: (int)Species.Pikachu or (int)Species.Magikarp} // ger magikarp / eng pikachu ) { bool kor = currentLanguage == (int)LanguageID.Korean; var msgpkm = kor ? L_XKorean : L_XKoreanNon; var msgsav = kor ? L_XKoreanNon : L_XKorean; data.AddLine(GetInvalid(string.Format(LTransferOriginFInvalid0_1, msgpkm, msgsav))); return; } if (originalGeneration <= 2) { // Korean Crystal does not exist, neither do Korean VC1 if (pkm.Korean && !GameVersion.GS.Contains((GameVersion)pkm.Version)) data.AddLine(GetInvalid(string.Format(LOTLanguage, $"!={(LanguageID)currentLanguage}", (LanguageID)currentLanguage))); // Japanese VC is language locked; cannot obtain Japanese-Blue version as other languages. if (pkm.Version == (int)GameVersion.BU && !pkm.Japanese) data.AddLine(GetInvalid(string.Format(LOTLanguage, nameof(LanguageID.Japanese), (LanguageID)currentLanguage))); } } public static bool IsValidLanguageID(int currentLanguage, int maxLanguageID, PKM pkm, IEncounterTemplate enc) { if (currentLanguage == (int)LanguageID.UNUSED_6) return false; // Language ID 6 is unused. if (currentLanguage > maxLanguageID) return false; // Language not available (yet) if (currentLanguage <= (int)LanguageID.Hacked && !(enc is EncounterTrade5PID && EncounterTrade5PID.IsValidMissingLanguage(pkm))) return false; // Missing Language value is not obtainable return true; // Language is possible } /// <summary> /// Check if the <see cref="currentLanguage"/> can exist in the Generation 4 savefile. /// </summary> /// <param name="currentLanguage"></param> /// <returns></returns> public static bool IsValidG4Korean(int currentLanguage) { bool savKOR = ParseSettings.ActiveTrainer.Language == (int) LanguageID.Korean; bool pkmKOR = currentLanguage == (int) LanguageID.Korean; if (savKOR == pkmKOR) return true; return ParseSettings.ActiveTrainer.Language < 0; // check not overriden by Legality settings } } }