mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-01 00:09:14 +00:00
d47bb1d297
With the new version of Visual Studio bringing C# 12, we can revise our logic for better readability as well as use new methods/APIs introduced in the .NET 8.0 BCL.
35 lines
1 KiB
C#
35 lines
1 KiB
C#
using System;
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using static System.Buffers.Binary.BinaryPrimitives;
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namespace PKHeX.Core;
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/// <summary>
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/// Logic for recognizing .dsv save files from BizHawk.
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/// </summary>
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public sealed class SaveHandlerBizHawk : ISaveHandler
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{
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private const int sizeFooter = 0x16;
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private static bool GetHasFooter(ReadOnlySpan<byte> input)
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{
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var start = input.Length - sizeFooter;
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var footer = input[start..];
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var _0x0b = ReadUInt16LittleEndian(footer[0x0B..]);
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var _0x14 = ReadUInt16LittleEndian(footer[0x14..]);
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return _0x0b == _0x14;
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}
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public bool IsRecognized(long size) => SaveUtil.IsSizeValidNoHandler(size - sizeFooter);
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public SaveHandlerSplitResult? TrySplit(ReadOnlySpan<byte> input)
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{
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if (!GetHasFooter(input))
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return null;
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var realSize = input.Length - sizeFooter;
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var footer = input[realSize..].ToArray();
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var data = input[..realSize].ToArray();
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return new SaveHandlerSplitResult(data, [], footer);
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}
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}
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