mirror of
https://github.com/kwsch/PKHeX
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105 lines
3.3 KiB
C#
105 lines
3.3 KiB
C#
using System;
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using static PKHeX.Core.EntityContext;
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namespace PKHeX.Core;
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/// <summary>
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/// "Context" is an existence island; data format restricts the types of changes that can be made (such as evolving).
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/// </summary>
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/// <remarks>
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/// Starting in the 8th generation games, entities can move between games with wildly different evolution rules.
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/// Previous implementations of a "Format Generation" were unable to differentiate if a class object was present in one of these different-rule contexts.
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/// The "Format Generation" is still a useful generalization to check if certain fields are present in the entity data, or if certain mutations are possible.
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/// </remarks>
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public enum EntityContext : byte
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{
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None = 0,
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Gen1 = 1,
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Gen2 = 2,
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Gen3 = 3,
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Gen4 = 4,
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Gen5 = 5,
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Gen6 = 6,
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Gen7 = 7,
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Gen8 = 8,
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Gen9 = 9,
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SplitInvalid,
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Gen7b,
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Gen8a,
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Gen8b,
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MaxInvalid,
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}
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public static class EntityContextExtensions
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{
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public static int Generation(this EntityContext value) => value < SplitInvalid ? (int)value : value switch
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{
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Gen7b => 7,
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Gen8a => 8,
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Gen8b => 8,
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_ => throw new ArgumentOutOfRangeException(nameof(value), value, null),
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};
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public static bool IsValid(this EntityContext value) => value is not (0 or SplitInvalid) and < MaxInvalid;
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public static GameVersion GetSingleGameVersion(this EntityContext value) => value switch
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{
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Gen1 => GameVersion.RD,
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Gen2 => GameVersion.C,
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Gen3 => GameVersion.E,
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Gen4 => GameVersion.SS,
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Gen5 => GameVersion.W2,
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Gen6 => GameVersion.AS,
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Gen7 => GameVersion.UM,
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Gen8 => GameVersion.SH,
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Gen9 => GameVersion.VL,
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Gen7b => GameVersion.GP,
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Gen8a => GameVersion.PLA,
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Gen8b => GameVersion.BD,
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_ => throw new ArgumentOutOfRangeException(nameof(value), value, null),
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};
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public static GameConsole GetConsole(this EntityContext value) => value switch
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{
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Gen1 or Gen2 => GameConsole.GB,
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Gen3 => GameConsole.GBA,
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Gen4 or Gen5 => GameConsole.NDS,
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Gen6 or Gen7 => GameConsole._3DS,
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Gen7b or Gen8 or Gen8a or Gen8b or Gen9 => GameConsole.NX,
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_ => throw new ArgumentOutOfRangeException(nameof(value), value, null),
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};
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public static GameVersion[] GetVersionsWithin(this EntityContext value, GameVersion[] source) => value.GetVersionLump().GetVersionsWithinRange(source);
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public static GameVersion GetVersionLump(this EntityContext value) => value switch
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{
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Gen1 => GameVersion.Gen1,
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Gen2 => GameVersion.Gen2,
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Gen3 => GameVersion.Gen3,
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Gen4 => GameVersion.Gen4,
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Gen5 => GameVersion.Gen5,
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Gen6 => GameVersion.Gen6,
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Gen7 => GameVersion.Gen7,
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Gen8 => GameVersion.Gen8,
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Gen9 => GameVersion.Gen9,
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Gen7b => GameVersion.Gen7b,
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Gen8a => GameVersion.PLA,
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Gen8b => GameVersion.BDSP,
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_ => throw new ArgumentOutOfRangeException(nameof(value), value, null),
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};
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public static EntityContext GetContext(this GameVersion version) => version switch
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{
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GameVersion.GP or GameVersion.GE or GameVersion.GO => Gen7b,
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GameVersion.PLA => Gen8a,
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GameVersion.BD or GameVersion.SP => Gen8b,
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_ => (EntityContext)version.GetGeneration(),
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};
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}
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