private static byte[] CreateZipFileFromEntries(FileEntryList entries)
{
using (var memoryStream = new MemoryStream())
{
using (var zipOutputStream = new ZipOutputStream(memoryStream))
{
zipOutputStream.SetLevel(3); //0-9, 9 being the highest level of compression
foreach (var entry in entries)
{
zipOutputStream.PutNextEntry(new ZipEntry(entry.Name)
{
Size = entry.Bytes.Length
});
zipOutputStream.Write(entry.Bytes, 0, entry.Bytes.Length);
}
zipOutputStream.CloseEntry();
zipOutputStream.IsStreamOwner = false;
}
memoryStream.Position = 0;
return(memoryStream.ToArray());
}
}
private static void SaveCachedEntries(string filePath, FileEntryList entries)
{
using (var resultZipFile = new ZipFile())
{
entries.CopyToZipFile(resultZipFile);
resultZipFile.Save(filePath);
}
}
private static byte[] CreateZipFileFromEntries(FileEntryList entries)
{
using (var resultZipFile = new ZipFile())
{
entries.CopyToZipFile(resultZipFile);
return(resultZipFile.GetBytes());
}
}
private static void SaveCachedEntries(string filePath, FileEntryList entries)
{
using (var stream = new FileStream(filePath, FileMode.Create))
{
using (var resultZipFile = new ZipArchive(stream, ZipArchiveMode.Create))
{
entries.CopyToZipFile(resultZipFile);
}
}
}
/// <summary>
/// Loads an Abide Update package file from the specified stream.
/// </summary>
/// <param name="inStream">The stream containing the Abide Update package.</param>
/// <exception cref="AbideUpdatePackageException"></exception>
public void Load(Stream inStream)
{
//Check file...
if (inStream.Length < 32)
{
throw new AbideUpdatePackageException("Invalid AddOn package file.");
}
//Prepare
FileEntry[] fileEntries = null;
try
{
//Create Reader
using (BinaryReader reader = new BinaryReader(inStream))
{
//Read Header
header = reader.ReadStructure <HEADER>();
if (header.AupTag == AupFourCc) //Quick sanity check...
{
fileEntries = new FileEntry[header.EntryCount];
for (uint i = 0; i < header.EntryCount; i++)
{
fileEntries[i] = new FileEntry(reader.ReadStructure <ENTRY>());
}
string[] filenames = reader.ReadUTF8StringTable(header.FileNamesOffset, header.FileIndexOffset, (int)header.EntryCount);
//Loop
for (int i = 0; i < header.EntryCount; i++)
{
//Create
fileEntries[i].Filename = filenames[i];
//Goto
inStream.Seek(fileEntries[i].Offset + header.DataOffset, SeekOrigin.Begin);
//Read
fileEntries[i].Data = reader.ReadBytes(fileEntries[i].Length);
//Set Length
fileEntries[i].Length = fileEntries[i].Data.Length;
}
//Setup
this.fileEntries = new FileEntryList(fileEntries);
}
else
{
throw new AbideUpdatePackageException("Invalid file header.");
}
}
}
catch (Exception ex) { throw new AbideUpdatePackageException(ex); }
}
private static byte[] CreateZipFileFromEntries(FileEntryList entries)
{
using (var stream = new MemoryStream())
{
using (var resultZipFile = new ZipArchive(stream, ZipArchiveMode.Create))
{
entries.CopyToZipFile(resultZipFile);
}
return(stream.ToArray());
}
}
/// <summary>
/// Initializes a new <see cref="UpdatePackageFile"/> instance.
/// </summary>
public UpdatePackageFile()
{
//Prepare
fileEntries = new FileEntryList();
}
/// <summary>
/// Loads an Abide AddOn package file from the specified stream.
/// </summary>
/// <param name="inStream">The stream containing the Abide AddOn package.</param>
/// <exception cref="AbideAddOnPackageException"></exception>
public void Load(Stream inStream)
{
//Check file...
if (inStream.Length < 32)
{
throw new AbideAddOnPackageException("Invalid AddOn package file.");
}
//Prepare
FileEntry[] fileEntries = null;
try
{
//Create Reader
using (BinaryReader reader = new BinaryReader(inStream))
{
//Read Header
header = reader.Read <Header>();
if (header.AaoTag == AaoFourCc) //Quick sanity check...
{
fileEntries = new FileEntry[header.EntryCount];
for (uint i = 0; i < header.EntryCount; i++)
{
fileEntries[i] = new FileEntry(reader.Read <Entry>());
}
string[] filenames = reader.ReadUTF8StringTable(header.FileNamesOffset, header.FileIndexOffset, (int)header.EntryCount);
//Loop
for (int i = 0; i < header.EntryCount; i++)
{
//Create
fileEntries[i].Filename = filenames[i];
//Goto
inStream.Seek(fileEntries[i].Offset + header.DataOffset, SeekOrigin.Begin);
//Read
byte[] data = reader.ReadBytes(fileEntries[i].Length);
//Decompress?
if (fileEntries[i].Compression != FourCc.Zero)
{
fileEntries[i].Data = decompressData?.Invoke(data, fileEntries[i].Compression);
}
else
{
fileEntries[i].Data = data;
}
//Set Length
fileEntries[i].Length = fileEntries[i].Data.Length;
}
//Setup
this.fileEntries = new FileEntryList(fileEntries);
}
else
{
throw new AbideAddOnPackageException("Invalid file header.");
}
}
}
catch (Exception ex) { throw new AbideAddOnPackageException(ex); }
}
/// <summary>
/// Initializes a new <see cref="AddOnPackageFile"/> instance.
/// </summary>
public AddOnPackageFile()
{
//Prepare
fileEntries = new FileEntryList();
}