mirror of
https://github.com/kwsch/PKHeX
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fc754b346b
[Language Reference](https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/proposals/csharp-10.0/file-scoped-namespaces) Updates all the files, one less level of indentation. Some small changes were made to API surfaces, renaming `PKM pkm` -> `PKM pk`, and `LegalityAnalysis.pkm` -> `LegalityAnalysis.Entity`
40 lines
1.1 KiB
C#
40 lines
1.1 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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/// Gen5 Block Info
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/// </summary>
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public sealed class BlockInfoNDS : BlockInfo
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{
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private readonly int ChecksumOffset;
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private readonly int ChecksumMirror;
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public BlockInfoNDS(int offset, int length, int chkOffset, int chkMirror)
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{
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Offset = offset;
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Length = length;
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ChecksumOffset = chkOffset;
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ChecksumMirror = chkMirror;
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}
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private ushort GetChecksum(ReadOnlySpan<byte> data) => Checksums.CRC16_CCITT(data.Slice(Offset, Length));
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protected override bool ChecksumValid(ReadOnlySpan<byte> data)
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{
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ushort chk = GetChecksum(data);
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if (chk != ReadUInt16LittleEndian(data[ChecksumOffset..]))
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return false;
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if (chk != ReadUInt16LittleEndian(data[ChecksumMirror..]))
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return false;
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return true;
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}
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protected override void SetChecksum(Span<byte> data)
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{
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ushort chk = GetChecksum(data);
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WriteUInt16LittleEndian(data[ChecksumOffset..], chk);
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WriteUInt16LittleEndian(data[ChecksumMirror..], chk);
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}
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}
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