mirror of
https://github.com/kwsch/PKHeX
synced 2024-09-20 14:21:59 +00:00
dcc0e79435
Like move validation, evolutions are the earliest thing we wish to traverse when determining what encounters may have originated the current Pokémon. To determine the permitted species-form-levels a Pokémon could originate with, we must devolve a Pokémon by traveling down-generation to origin. Once we have an encounter, we can then evolve it to the current species, traversing upwards from origin to the current format.
64 lines
2.2 KiB
C#
64 lines
2.2 KiB
C#
using System;
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namespace PKHeX.Core;
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/// <summary>
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/// Interface that exposes a <see cref="BattleVersion"/> for allowing a Pokémon into ranked battles if it originated from a prior game.
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/// </summary>
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public interface IBattleVersion
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{
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/// <summary>
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/// Indicates which <see cref="GameVersion"/> the Pokémon's moves were reset on.
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/// </summary>
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byte BattleVersion { get; set; }
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}
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public static class BattleVersionExtensions
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{
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/// <summary>
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/// Checks if the applied Battle Version value is valid based on visitation.
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/// </summary>
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public static bool IsBattleVersionValid<T>(this T pk, EvolutionHistory h) where T : PKM, IBattleVersion => pk.BattleVersion switch
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{
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0 => true,
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(int)GameVersion.SW or (int)GameVersion.SH => h.HasVisitedSWSH && LocationsHOME.GetVersionSWSH(pk.Version) is not ((int)GameVersion.SW or (int)GameVersion.SH),
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_ => false,
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};
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/// <summary>
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/// Resets the <see cref="PKM"/>'s moves and sets the requested version.
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/// </summary>
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/// <param name="v">Reference to the object to set the <see cref="version"/></param>
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/// <param name="pk">Reference to the same object that gets moves reset</param>
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/// <param name="version">Version to apply</param>
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public static void AdaptToBattleVersion(this IBattleVersion v, PKM pk, GameVersion version)
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{
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var empty = new Moveset();
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pk.SetMoves(empty);
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pk.SetRelearnMoves(empty);
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Span<ushort> moves = stackalloc ushort[4];
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var source = GameData.GetLearnSource(version);
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source.SetEncounterMoves(pk.Species, pk.Form, pk.CurrentLevel, moves);
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pk.SetMoves(moves);
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pk.FixMoves();
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v.BattleVersion = (byte)version;
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}
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/// <summary>
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/// Gets the minimum Generation ID that it was last reset in.
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/// </summary>
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public static int GetMinGeneration(this IBattleVersion v)
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{
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var ver = v.BattleVersion;
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if (ver == 0)
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return 1;
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var game = (GameVersion) ver;
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if (!game.IsValidSavedVersion())
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return -1;
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var gen = game.GetGeneration();
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if (gen >= 8)
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return gen;
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return -1;
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}
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}
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