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Rewrite pack code

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This commit is contained in:
Razmoth
2023-01-07 20:24:41 +04:00
parent 44cdb28520
commit 94d73398ca
1 changed files with 16 additions and 20 deletions
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36
AssetStudio/ImportHelper.cs
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@@ -110,35 +110,30 @@ namespace AssetStudio
{
var mr0k = (Mr0k)game;
var bundleSize = 0;
long readSize = 0;
long bundleSize = 0;
reader.Position = 0;
Header header = null;
var pack = new { IsMr0k = false, BlockSize = -1 };
while (reader.Remaining > 0)
{
var pos = reader.Position;
var signature = reader.ReadStringToNull(4);
if (signature == PackSignature)
{
pack = new {
IsMr0k = reader.ReadBoolean(),
BlockSize = BinaryPrimitives.ReadInt32LittleEndian(reader.ReadBytes(4))
};
var isMr0k = reader.ReadBoolean();
var blockSize = BinaryPrimitives.ReadInt32LittleEndian(reader.ReadBytes(4));
Span<byte> buffer = new byte[pack.BlockSize];
Span<byte> buffer = new byte[blockSize];
reader.Read(buffer);
if (pack.IsMr0k)
if (isMr0k)
{
buffer = Mr0kUtils.Decrypt(buffer, mr0k);
}
ms.Write(buffer);
bundleSize += buffer.Length;
if (header == null)
if (bundleSize == 0)
{
using var blockReader = new EndianBinaryReader(new MemoryStream(buffer.ToArray()));
header = new Header()
var header = new Header()
{
signature = blockReader.ReadStringToNull(),
version = blockReader.ReadUInt32(),
@@ -146,18 +141,20 @@ namespace AssetStudio
unityRevision = blockReader.ReadStringToNull(),
size = blockReader.ReadInt64()
};
bundleSize = header.size;
}
if (bundleSize % (PackSize - 0x80) == 0)
readSize += buffer.Length;
if (readSize % (PackSize - 0x80) == 0)
{
reader.Position += PackSize - 9 - pack.BlockSize;
reader.Position += PackSize - 9 - blockSize;
}
if (bundleSize == header.size)
if (readSize == bundleSize)
{
readSize = 0;
bundleSize = 0;
header = null;
pack = new { IsMr0k = false, BlockSize = -1 };
}
continue;
@@ -167,7 +164,7 @@ namespace AssetStudio
signature = reader.ReadStringToNull();
if (signature == UnityFSSignature)
{
header = new Header()
var header = new Header()
{
signature = reader.ReadStringToNull(),
version = reader.ReadUInt32(),
@@ -178,7 +175,6 @@ namespace AssetStudio
reader.Position = pos;
reader.BaseStream.CopyTo(ms, header.size);
header = null;
continue;
}