SabreTools/SabreTools.Serialization
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Convert GCZ to use GrindCore zlib

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This commit is contained in:
Matt Nadareski
2026-08-27 13:57:49 -04:00
parent 69c0843a0d
commit cb2a96c413
1 changed files with 5 additions and 3 deletions
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8
SabreTools.Wrappers/GCZ.Extraction.cs
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@@ -1,5 +1,6 @@
using System.IO;
using SabreTools.IO.Compression.Deflate;
using Nanook.GrindCore;
using Nanook.GrindCore.DeflateZLib;
using SabreTools.IO.Extensions;
using static SabreTools.Data.Models.GCZ.Constants;
@@ -61,7 +62,8 @@ namespace SabreTools.Wrappers
// Verify Adler-32 checksum on the compressed (raw) data before decompressing
if (BlockHashes is not null && blockIndex < BlockHashes.Length)
{
uint actual = Adler.Adler32(1, raw, 0, raw.Length);
// TODO: Replace with call to Hashing library
uint actual = IO.Compression.Deflate.Adler.Adler32(1, raw, 0, raw.Length);
if (actual != BlockHashes[blockIndex])
return null;
}
@@ -78,7 +80,7 @@ namespace SabreTools.Wrappers
try
{
using var cs = new MemoryStream(raw, 2, raw.Length - 6);
using var ds = new DeflateStream(cs, CompressionMode.Decompress);
using var ds = new DeflateStream(cs, new CompressionOptions { Type = CompressionType.Decompress });
using var os = new MemoryStream();
ds.BlockCopy(os, blockSize: 4096);