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Save compressed bytes properly and save data within archives for pak

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KillzXGaming 2019-08-05 17:04:24 -04:00
parent 1357627e2d
commit f1439db314
2 changed files with 58 additions and 1 deletions
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.vs/Toolbox/v15/.suo
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59
File_Format_Library/FileFormats/CrashBandicoot/IGA_PAK.cs
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@ -121,6 +121,10 @@ namespace FirstPlugin
public void Write(FileWriter writer)
{
//Save all the data for opened files first and compress if needed
for (int i = 0; i < files.Count; i++)
files[i].SaveOpenedFile();
writer.WriteSignature("IGA\x01");
writer.Write(Version);
//total size of file info and hash section
@ -157,7 +161,7 @@ namespace FirstPlugin
writer.Write((uint)dataPos);
}
writer.Write(files[i].FileData);
writer.Write(files[i].CompressedBytes);
writer.Align(2048);
}
@ -234,9 +238,40 @@ namespace FirstPlugin
Version = version;
}
private byte[] _savedBytes { get; set; }
public uint FileOffset;
public uint DecompressedFileSize;
public byte[] CompressedBytes
{
get
{
if (FileOffset == 0)
return new byte[0];
if (_savedBytes != null)
return _savedBytes;
using (var reader = new FileReader(SourceFile))
{
uint size = 0;
reader.BaseStream.Seek(FileOffset, SeekOrigin.Begin);
if (FileCompressionType != -1)
{
if (Version <= 0x0B)
size = reader.ReadUInt16();
else
size = reader.ReadUInt32();
}
else
size = DecompressedFileSize;
return reader.ReadBytes((int)size);
}
}
}
public override byte[] FileData
{
get
@ -285,6 +320,28 @@ namespace FirstPlugin
}
}
public void SaveOpenedFile()
{
if (FileFormat != null)
{
byte[] data = FileFormat.Save();
DecompressedFileSize = (uint)data.Length;
if (FileCompressionType != -1)
{
SevenZip.Compression.LZMA.Encoder encode = new SevenZip.Compression.LZMA.Encoder();
MemoryStream ms = new MemoryStream(data);
MemoryStream otuput = new MemoryStream(data);
encode.Code(ms, otuput, -1, -1, null);
_savedBytes = otuput.ToArray();
}
else
_savedBytes = data;
GC.Collect();
}
}
public void Read(FileReader reader)
{
FileOffset = reader.ReadUInt32();