mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-10 14:44:24 +00:00
238 lines
9 KiB
C#
238 lines
9 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.GameVersion;
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namespace PKHeX.Core
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{
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/// <summary>
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/// Utility class for <see cref="GameVersion"/> logic.
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/// </summary>
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public static class GameUtil
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{
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/// <summary>
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/// All possible <see cref="GameVersion"/> values a <see cref="PKM.Version"/> can have.
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/// </summary>
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/// <remarks>Ordered roughly by most recent games first.</remarks>
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public static readonly GameVersion[] GameVersions = GetValidGameVersions();
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private static GameVersion[] GetValidGameVersions()
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{
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var all = (GameVersion[])Enum.GetValues(typeof(GameVersion));
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var valid = Array.FindAll(all, IsValidSavedVersion);
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Array.Reverse(valid);
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return valid;
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}
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/// <summary>
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/// Indicates if the <see cref="GameVersion"/> value is a value used by the games or is an aggregate indicator.
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/// </summary>
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/// <param name="game">Game to check</param>
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public static bool IsValidSavedVersion(this GameVersion game) => game is > 0 and <= HighestGameID;
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/// <summary>
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/// Most recent game ID utilized by official games.
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/// </summary>
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internal const GameVersion HighestGameID = RB - 1;
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/// <summary>Determines the Version Grouping of an input Version ID</summary>
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/// <param name="version">Version of which to determine the group</param>
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/// <returns>Version Group Identifier or Invalid if type cannot be determined.</returns>
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public static GameVersion GetMetLocationVersionGroup(GameVersion version) => version switch
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{
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// Side games
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CXD => CXD,
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GO => GO,
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// VC Transfers
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RD or BU or YW or GN or GD or SV or C => USUM,
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// Gen2 -- PK2
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GS or GSC => GSC,
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// Gen3
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R or S => RS,
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E => E,
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FR or LG => FR,
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// Gen4
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D or P => DP,
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Pt => Pt,
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HG or SS => HGSS,
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// Gen5
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B or W => BW,
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B2 or W2 => B2W2,
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// Gen6
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X or Y => XY,
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OR or AS => ORAS,
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// Gen7
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SN or MN => SM,
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US or UM => USUM,
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GP or GE => GG,
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// Gen8
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SW or SH => SWSH,
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BD or SP => BDSP,
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_ => Invalid,
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};
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/// <summary>
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/// Gets a Version ID from the end of that Generation
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/// </summary>
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/// <param name="generation">Generation ID</param>
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/// <returns>Version ID from requested generation. If none, return <see cref="Invalid"/>.</returns>
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public static GameVersion GetVersion(int generation) => generation switch
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{
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1 => RBY,
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2 => C,
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3 => E,
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4 => SS,
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5 => W2,
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6 => AS,
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7 => UM,
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8 => SH,
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_ => Invalid,
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};
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/// <summary>
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/// Gets the Generation the <see cref="GameVersion"/> belongs to.
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/// </summary>
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/// <param name="game">Game to retrieve the generation for</param>
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/// <returns>Generation ID</returns>
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public static int GetGeneration(this GameVersion game)
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{
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if (Gen1.Contains(game)) return 1;
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if (Gen2.Contains(game)) return 2;
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if (Gen3.Contains(game)) return 3;
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if (Gen4.Contains(game)) return 4;
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if (Gen5.Contains(game)) return 5;
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if (Gen6.Contains(game)) return 6;
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if (Gen7.Contains(game)) return 7;
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if (Gen7b.Contains(game)) return 7;
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if (Gen8.Contains(game)) return 8;
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return -1;
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}
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/// <summary>
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/// Gets the Generation the <see cref="GameVersion"/> belongs to.
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/// </summary>
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/// <param name="game">Game to retrieve the generation for</param>
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/// <returns>Generation ID</returns>
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public static int GetMaxSpeciesID(this GameVersion game)
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{
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if (Gen1.Contains(game)) return Legal.MaxSpeciesID_1;
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if (Gen2.Contains(game)) return Legal.MaxSpeciesID_2;
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if (Gen3.Contains(game)) return Legal.MaxSpeciesID_3;
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if (Gen4.Contains(game)) return Legal.MaxSpeciesID_4;
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if (Gen5.Contains(game)) return Legal.MaxSpeciesID_5;
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if (Gen6.Contains(game)) return Legal.MaxSpeciesID_6;
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if (Gen7b.Contains(game)) return Legal.MaxSpeciesID_7b;
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if (Gen7.Contains(game))
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{
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if (SM.Contains(game))
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return Legal.MaxSpeciesID_7;
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if (USUM.Contains(game))
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return Legal.MaxSpeciesID_7_USUM;
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return Legal.MaxSpeciesID_7_USUM;
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}
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if (BDSP.Contains(game)) return Legal.MaxSpeciesID_8b;
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if (Gen8.Contains(game)) return Legal.MaxSpeciesID_8;
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return -1;
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}
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/// <summary>
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/// Checks if the <see cref="g1"/> version (or subset versions) is equivalent to <see cref="g2"/>.
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/// </summary>
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/// <param name="g1">Version (set)</param>
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/// <param name="g2">Individual version</param>
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public static bool Contains(this GameVersion g1, int g2) => g1.Contains((GameVersion) g2);
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/// <summary>
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/// Checks if the <see cref="g1"/> version (or subset versions) is equivalent to <see cref="g2"/>.
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/// </summary>
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/// <param name="g1">Version (set)</param>
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/// <param name="g2">Individual version</param>
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public static bool Contains(this GameVersion g1, GameVersion g2)
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{
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if (g1 == g2 || g1 == Any)
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return true;
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return g1 switch
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{
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RB => g2 is RD or BU or GN,
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RBY or Stadium => RB.Contains(g2) || g2 == YW,
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Gen1 => RBY.Contains(g2) || g2 == Stadium,
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GS => g2 is GD or SV,
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GSC or Stadium2 => GS.Contains(g2) || g2 == C,
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Gen2 => GSC.Contains(g2) || g2 == Stadium2,
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RS => g2 is R or S,
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RSE => RS.Contains(g2) || g2 == E,
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FRLG => g2 is FR or LG,
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COLO or XD => g2 == CXD,
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CXD => g2 is COLO or XD,
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RSBOX => RS.Contains(g2) || g2 == E || FRLG.Contains(g2),
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Gen3 => RSE.Contains(g2) || FRLG.Contains(g2) || CXD.Contains(g2) || g2 == RSBOX,
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DP => g2 is D or P,
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HGSS => g2 is HG or SS,
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DPPt => DP.Contains(g2) || g2 == Pt,
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BATREV => DP.Contains(g2) || g2 == Pt || HGSS.Contains(g2),
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Gen4 => DPPt.Contains(g2) || HGSS.Contains(g2) || g2 == BATREV,
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BW => g2 is B or W,
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B2W2 => g2 is B2 or W2,
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Gen5 => BW.Contains(g2) || B2W2.Contains(g2),
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XY => g2 is X or Y,
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ORAS => g2 is OR or AS,
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Gen6 => XY.Contains(g2) || ORAS.Contains(g2),
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SM => g2 is SN or MN,
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USUM => g2 is US or UM,
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GG => g2 is GP or GE,
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Gen7 => SM.Contains(g2) || USUM.Contains(g2),
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Gen7b => GG.Contains(g2) || GO == g2,
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SWSH => g2 is SW or SH,
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BDSP => g2 is BD or SP,
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Gen8 => SWSH.Contains(g2) || BDSP.Contains(g2),
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_ => false,
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};
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}
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/// <summary>
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/// List of possible <see cref="GameVersion"/> values within the provided <see cref="generation"/>.
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/// </summary>
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/// <param name="generation">Generation to look within</param>
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/// <param name="pkVersion"></param>
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public static GameVersion[] GetVersionsInGeneration(int generation, int pkVersion)
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{
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if (Gen7b.Contains(pkVersion))
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return new[] {GO, GP, GE};
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return Array.FindAll(GameVersions, z => z.GetGeneration() == generation);
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}
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/// <summary>
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/// List of possible <see cref="GameVersion"/> values within the provided <see cref="IGameValueLimit"/> criteria.
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/// </summary>
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/// <param name="obj">Criteria for retrieving versions</param>
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/// <param name="generation">Generation format minimum (necessary for the CXD/Gen4 swap etc)</param>
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public static IEnumerable<GameVersion> GetVersionsWithinRange(IGameValueLimit obj, int generation = -1)
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{
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if (obj.MaxGameID == Legal.MaxGameID_7b) // edge case
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return new[] {GO, GP, GE};
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var versions = GameVersions
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.Where(version => (GameVersion)obj.MinGameID <= version && version <= (GameVersion)obj.MaxGameID);
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if (generation < 0)
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return versions;
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if (obj.MaxGameID == Legal.MaxGameID_7 && generation == 7)
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versions = versions.Where(version => version != GO);
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return versions.Where(version => version.GetGeneration() <= generation);
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}
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}
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}
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