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Fix logic error.

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Sławomir Śpiewak 2024-07-31 16:32:53 +02:00
parent 6a90018798
commit 738b2950f6
1 changed files with 9 additions and 7 deletions
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16
ArcFormats/DxLib/ArcDX8.cs
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@ -70,7 +70,7 @@ namespace GameRes.Formats.DxLib
internal enum DXA8Flags : UInt32
{
DXA_FLAG_NO_KEY=1, //file is not encrypted
DXA_FLAG_NO_HEAD_PRESS=1<<1, //do not compress the entire file after compressing individual entries
DXA_FLAG_NO_HEAD_PRESS=1<<1, //do not compress the header after compressing individual entries
}
[Serializable]
@ -127,28 +127,30 @@ namespace GameRes.Formats.DxLib
DxKey8 key = null;
//FIXME: ReadBytes sets hard cap of filesize to 4GB.
var bodyBuffer = file.View.ReadBytes(dx.BaseOffset, (uint)(file.MaxOffset-dx.BaseOffset));
var headerBuffer = file.View.ReadBytes(dx.IndexOffset, (uint)(file.MaxOffset-dx.IndexOffset));
bool isencrypted = (dx.Flags & DXA8Flags.DXA_FLAG_NO_KEY) == 0;
if (isencrypted)
{
var keyStr = Query<DXAOpts>(arcStrings.ZIPEncryptedNotice).Keyword;
key = new DxKey8(keyStr);
Decrypt(bodyBuffer, 0, bodyBuffer.Length, 0, key.Key);
}
Decrypt(headerBuffer, 0, headerBuffer.Length, 0, key.Key);
//Decrypted but might be compressed
if ((dx.Flags & DXA8Flags.DXA_FLAG_NO_HEAD_PRESS) == 0)
{
//IndexSize refers to uncompressed
//IndexSize refers to uncompressed size of the header (that is FileName + File + Dir buffers)
throw new NotImplementedException();
}
var readyStr = new MemoryStream(bodyBuffer);
ArcView arcView = new ArcView(readyStr, "body",(uint) bodyBuffer.LongLength);
var readyStr = new MemoryStream(headerBuffer);
ArcView arcView = new ArcView(readyStr, "hdr",(uint)headerBuffer.LongLength);
List<Entry> entries;
using (var indexStr = arcView.CreateStream(dx.IndexOffset,dx.IndexSize))
using (var indexStr = arcView.CreateStream(dx.IndexOffset, dx.IndexSize))
using (var reader = IndexReader.Create(dx, 8, indexStr))
{
entries = reader.Read();