using System; using System.Collections.Generic; using static PKHeX.Core.LegalityCheckStrings; namespace PKHeX.Core { public static class MysteryGiftVerifier { private static readonly Dictionary<int, MysteryGiftRestriction>[] RestrictionSet = Get(); private static Dictionary<int, MysteryGiftRestriction>[] Get() { var s = new Dictionary<int, MysteryGiftRestriction>[PKX.Generation + 1]; for (int i = 3; i < s.Length; i++) s[i] = GetRestriction(i); return s; } private static string RestrictionSetName(int i) => $"mgrestrict{i}.pkl"; private static Dictionary<int, MysteryGiftRestriction> GetRestriction(int generation) { var resource = RestrictionSetName(generation); var data = Util.GetBinaryResource(resource); var dict = new Dictionary<int, MysteryGiftRestriction>(); for (int i = 0; i < data.Length; i += 8) { int hash = BitConverter.ToInt32(data, i + 0); var restrict = BitConverter.ToInt32(data, i + 4); dict.Add(hash, (MysteryGiftRestriction)restrict); } return dict; } public static CheckResult VerifyGift(PKM pk, MysteryGift g) { bool restricted = TryGetRestriction(g, out var val); if (!restricted) return new CheckResult(CheckIdentifier.GameOrigin); var ver = (int)val >> 16; if (ver != 0 && !CanVersionRecieveGift(g.Format, ver, pk.Version)) return new CheckResult(Severity.Invalid, LEncGiftVersionNotDistributed, CheckIdentifier.GameOrigin); var lang = val & MysteryGiftRestriction.LangRestrict; if (lang != 0 && !lang.HasFlagFast((MysteryGiftRestriction) (1 << pk.Language))) return new CheckResult(Severity.Invalid, string.Format(LOTLanguage, lang.GetSuggestedLanguage(), pk.Language), CheckIdentifier.GameOrigin); var region = val & MysteryGiftRestriction.RegionRestrict; if (region != 0 && !region.HasFlagFast((MysteryGiftRestriction)((int)MysteryGiftRestriction.RegionBase << pk.ConsoleRegion))) return new CheckResult(Severity.Invalid, LGeoHardwareRange, CheckIdentifier.GameOrigin); return new CheckResult(CheckIdentifier.GameOrigin); } private static bool TryGetRestriction(MysteryGift g, out MysteryGiftRestriction val) { var restrict = RestrictionSet[g.Generation]; if (restrict != null) return restrict.TryGetValue(g.GetHashCode(), out val); val = MysteryGiftRestriction.None; return false; } public static bool IsValidChangedOTName(PKM pk, MysteryGift g) { bool restricted = TryGetRestriction(g, out var val); if (!restricted) return false; // no data if (!val.HasFlagFast(MysteryGiftRestriction.OTReplacedOnTrade)) return false; return CurrentOTMatchesReplaced(g.Format, pk.OT_Name); } private static bool CanVersionRecieveGift(int format, int version4bit, int version) { switch (format) { // todo default: return false; } } private static bool CurrentOTMatchesReplaced(int format, string pkOtName) { if (format <= 4 && IsMatchName(pkOtName, 4)) return true; if (format <= 5 && IsMatchName(pkOtName, 5)) return true; if (format <= 6 && IsMatchName(pkOtName, 6)) return true; if (format <= 7 && IsMatchName(pkOtName, 7)) return true; return false; } private static bool IsMatchName(string pkOtName, int generation) { switch (generation) { // todo default: return false; } } } }