mirror of
https://github.com/kwsch/PKHeX
synced 2024-09-20 22:32:00 +00:00
95fbf66a6e
In addition to the Method 1 (and other sibling PIDIV types) correlation, an encounter can only be triggered if the calls prior land on the Method {1} seed. The RNG community has dubbed these patterns as "Method J" (D/P/Pt), "Method K" (HG/SS), and "Method H" (Gen3, coined by yours truly). The basic gist of these is that they are pre-requisites, like the Shadow locks of Colosseum/XD.
Rename/re-type a bunch of properties to get the codebase more in line with correct property names & more obvious underlying types.
213 lines
8.2 KiB
C#
213 lines
8.2 KiB
C#
using static PKHeX.Core.GameVersion;
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using static PKHeX.Core.Species;
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namespace PKHeX.Core;
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/// <summary>
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/// Logic related to breeding.
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/// </summary>
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public static class Breeding
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{
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/// <summary>
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/// Checks if the game has a Daycare, and returns true if it does.
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/// </summary>
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/// <param name="game">Version ID to check for.</param>
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public static bool CanGameGenerateEggs(GameVersion game) => game switch
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{
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R or S or E or FR or LG => true,
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D or P or Pt or HG or SS => true,
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B or W or B2 or W2 => true,
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X or Y or OR or AS => true,
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SN or MN or US or UM => true,
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GD or SI or C => true,
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SW or SH or BD or SP => true,
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SL or VL => true,
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GS => true,
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_ => false,
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};
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/// <summary>
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/// Species that have special handling for breeding.
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/// </summary>
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private static bool IsMixedGenderBreed(ushort species) => species switch
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{
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(int)NidoranF => true,
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(int)NidoranM => true,
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(int)Volbeat => true,
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(int)Illumise => true,
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(int)Indeedee => true, // male/female
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_ => false,
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};
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/// <summary>
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/// Checks if the <see cref="species"/> can be born with inherited moves from the parents.
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/// </summary>
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/// <param name="species">Entity species ID</param>
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/// <returns>True if it can inherit moves, false if cannot.</returns>
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internal static bool GetCanInheritMoves(ushort species)
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{
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var pi = PKX.Personal[species];
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if (pi is { Genderless: false, OnlyMale: false })
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return true;
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if (IsMixedGenderBreed(species))
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return true;
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return false;
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}
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/// <summary>
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/// Species that can yield a different baby species when bred.
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/// </summary>
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public static bool IsSplitBreedNotBabySpecies(ushort species, byte generation)
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{
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if (generation == 3)
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return IsSplitBreedNotBabySpecies3(species);
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if (generation is 4 or 5 or 6 or 7 or 8)
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return IsSplitBreedNotBabySpecies4(species);
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// Gen9 does not have split-breed egg generation.
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return false;
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}
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/// <summary>
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/// Checks if the species can yield a different baby species when bred via incense in Generation 3.
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/// </summary>
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/// <remarks>
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/// This is a special case for Marill and Wobbuffet, which can be bred with incense to yield Azurill and Wynaut respectively.
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/// </remarks>
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public static bool IsSplitBreedNotBabySpecies3(ushort species) => species is (ushort)Marill or (ushort)Wobbuffet;
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/// <summary>
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/// Checks if the species can yield a different baby species when bred via incense in Generation 4-8.
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/// </summary>
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public static bool IsSplitBreedNotBabySpecies4(ushort species) => species switch
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{
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(int)Marill => true,
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(int)Wobbuffet => true,
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(int)Chansey => true,
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(int)MrMime => true,
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(int)Snorlax => true,
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(int)Sudowoodo => true,
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(int)Mantine => true,
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(int)Roselia => true,
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(int)Chimecho => true,
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_ => false,
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};
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/// <summary>
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/// Checks if the <see cref="species"/> can be obtained from a daycare egg.
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/// </summary>
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/// <remarks>Chained with the other 2 overloads for incremental checks with different parameters.</remarks>
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/// <param name="species">Current species</param>
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public static bool CanHatchAsEgg(ushort species) => IsAbleToHatchFromEgg(species);
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/// <summary>
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/// Checks if the <see cref="species"/>-<see cref="form"/> can exist as a hatched egg in the requested <see cref="context"/>.
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/// </summary>
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/// <remarks>Chained with the other 2 overloads for incremental checks with different parameters.</remarks>
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/// <param name="species">Current species</param>
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/// <param name="form">Current form</param>
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/// <param name="context">Generation of origin</param>
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public static bool CanHatchAsEgg(ushort species, byte form, EntityContext context)
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{
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if (form == 0)
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return true;
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if (FormInfo.IsTotemForm(species, form, context))
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return false;
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if (FormInfo.IsLordForm(species, form, context))
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return false;
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return IsBreedableForm(species, form);
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}
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/// <summary>
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/// Some species can have forms that cannot exist as egg (event/special forms). Same idea as <see cref="FormInfo.IsTotemForm(ushort,byte,EntityContext)"/>
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/// </summary>
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/// <returns>True if it can be bred.</returns>
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private static bool IsBreedableForm(ushort species, byte form) => species switch
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{
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(int)Pikachu or (int)Eevee => false, // can't get these forms as egg
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(int)Pichu => false, // can't get Spiky Ear Pichu eggs
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(int)Floette when form == 5 => false, // can't get Eternal Flower from egg
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(int)Greninja when form == 1 => false, // can't get Battle Bond Greninja from egg
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(int)Sinistea or (int)Polteageist => false, // can't get Antique eggs
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(int)Poltchageist or (int)Sinistcha => false, // can't get Masterpiece eggs
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_ => true,
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};
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/// <summary>
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/// Species that cannot hatch from an egg.
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/// </summary>
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private static bool IsAbleToHatchFromEgg(ushort species) => species switch
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{
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// Gen1
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(int)Ditto => false,
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(int)Articuno or (int)Zapdos or (int)Moltres => false,
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(int)Mewtwo or (int)Mew => false,
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// Gen2
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(int)Unown => false,
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(int)Raikou or (int)Entei or (int)Suicune => false,
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(int)Lugia or (int)HoOh or (int)Celebi => false,
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// Gen3
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(int)Regirock or (int)Regice or (int)Registeel => false,
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(int)Latias or (int)Latios => false,
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(int)Kyogre or (int)Groudon or (int)Rayquaza => false,
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(int)Jirachi or (int)Deoxys => false,
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// Gen4
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(int)Uxie or (int)Mesprit or (int)Azelf => false,
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(int)Dialga or (int)Palkia or (int)Heatran => false,
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(int)Regigigas or (int)Giratina or (int)Cresselia => false,
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(int)Manaphy or (int)Darkrai or (int)Shaymin or (int)Arceus => false,
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// Gen5
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(int)Victini => false,
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(int)Cobalion or (int)Terrakion or (int)Virizion => false,
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(int)Tornadus or (int)Thundurus => false,
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(int)Reshiram or (int)Zekrom => false,
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(int)Landorus or (int)Kyurem => false,
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(int)Keldeo or (int)Meloetta or (int)Genesect => false,
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// Gen6
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(int)Xerneas or (int)Yveltal or (int)Zygarde => false,
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(int)Diancie or (int)Hoopa or (int)Volcanion => false,
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// Gen7
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(int)TypeNull or (int)Silvally => false,
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(int)TapuKoko or (int)TapuLele or (int)TapuBulu or (int)TapuFini => false,
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(int)Cosmog or (int)Cosmoem or (int)Solgaleo or (int)Lunala => false,
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(int)Nihilego or (int)Buzzwole or (int)Pheromosa or (int)Xurkitree or (int)Celesteela or (int)Kartana or (int)Guzzlord or (int)Necrozma => false,
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(int)Magearna or (int)Marshadow => false,
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(int)Poipole or (int)Naganadel or (int)Stakataka or (int)Blacephalon or (int)Zeraora => false,
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(int)Meltan or (int)Melmetal => false,
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// Gen8
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(int)Dracozolt or (int)Arctozolt or (int)Dracovish or (int)Arctovish => false,
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(int)Zacian or (int)Zamazenta or (int)Eternatus => false,
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(int)Kubfu or (int)Urshifu or (int)Zarude => false,
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(int)Regieleki or (int)Regidrago => false,
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(int)Glastrier or (int)Spectrier or (int)Calyrex => false,
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(int)Enamorus => false,
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// Gen9
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(int)GreatTusk or (int)ScreamTail or (int)BruteBonnet or (int)FlutterMane or (int)SlitherWing or (int)SandyShocks => false,
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(int)IronTreads or (int)IronBundle or (int)IronHands or (int)IronJugulis or (int)IronMoth or (int)IronThorns => false,
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(int)Gimmighoul or (int)Gholdengo => false,
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(int)WoChien or (int)ChienPao or (int)TingLu or (int)ChiYu => false,
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(int)RoaringMoon or (int)IronValiant => false,
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(int)Koraidon or (int)Miraidon => false,
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(int)WalkingWake or (int)IronLeaves => false,
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(int)Okidogi or (int)Munkidori or (int)Fezandipiti or (int)Ogerpon => false,
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(int)GougingFire or (int)RagingBolt or (int)IronBoulder or (int)IronCrown or (int)Terapagos or (int)Pecharunt => false,
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_ => true,
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};
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}
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