PKHeX/PKHeX.Core/Legality/Evolutions/EvolutionSets/EvolutionSet6.cs

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using System;
using System.Collections.Generic;
using static System.Buffers.Binary.BinaryPrimitives;
namespace PKHeX.Core
{
/// <summary>
/// Generation 6 Evolution Branch Entries
/// </summary>
public static class EvolutionSet6
{
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internal static readonly HashSet<int> EvosWithArg = new() {6, 8, 16, 17, 18, 19, 20, 21, 22, 29};
private const int SIZE = 6;
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private static EvolutionMethod[] GetMethods(ReadOnlySpan<byte> data)
{
var evos = new EvolutionMethod[data.Length / SIZE];
for (int i = 0; i < data.Length; i += SIZE)
{
var entry = data.Slice(i, SIZE);
evos[i/SIZE] = GetMethod(entry);
}
return evos;
}
private static EvolutionMethod GetMethod(ReadOnlySpan<byte> entry)
{
var method = ReadUInt16LittleEndian(entry);
var arg = ReadUInt16LittleEndian(entry[2..]);
var species = ReadUInt16LittleEndian(entry[4..]);
// Argument is used by both Level argument and Item/Move/etc. Clear if appropriate.
var lvl = EvosWithArg.Contains(method) ? 0 : arg;
return new EvolutionMethod(method, species, argument: arg, level: lvl);
}
public static IReadOnlyList<EvolutionMethod[]> GetArray(BinLinkerAccessor data)
{
var evos = new EvolutionMethod[data.Length][];
for (int i = 0; i < evos.Length; i++)
evos[i] = GetMethods(data[i]);
return evos;
}
}
}