/// <summary>
/// Unpacks data from the game archive using the default resource file.
/// </summary>
/// <param name="resourceStr">The resource file (embedded or otherwise) to use in extraction</param>
private static void Unpack_default(string resourceStr)
{
string region = "";
if (resourceStr.Contains("("))
region = resourceStr.Substring(resourceStr.IndexOf("(", StringComparison.Ordinal), 7);
LSEntryObject _resource = lsFile.Entries[Util.calc_crc(resourceStr)];
File.WriteAllBytes(resourceStr,
GetFileDataDecompressed(_resource.DTOffset + (uint)_resource.PaddingLength, _resource.Size,
_resource.DTIndex));
Console.WriteLine($"Parsing {resourceStr} file..");
RFFile rfFile = new RFFile(resourceStr);
var pathParts = new string[20];
var offsetParts = new LSEntryObject[20];
foreach (ResourceEntryObject rsobj in rfFile.ResourceEntries)
{
if (rsobj == null)
continue;
pathParts[rsobj.FolderDepth - 1] = rsobj.EntryString;
Array.Clear(pathParts, rsobj.FolderDepth, pathParts.Length - (rsobj.FolderDepth + 1));
var path = string.Join("", pathParts);
LSEntryObject fileEntry;
if (rsobj.HasPack)
{
var crcPath = $"data/{path.TrimEnd('/') + (rsobj.Compressed ? "/packed" : "")}";
var crc = Util.calc_crc(crcPath);
lsFile.Entries.TryGetValue(crc, out fileEntry);
}
else
fileEntry = null;
offsetParts[rsobj.FolderDepth - 1] = fileEntry;
Array.Clear(offsetParts, rsobj.FolderDepth, offsetParts.Length - (rsobj.FolderDepth + 1));
var outfn = $"data{region}/{path}";
if (path.EndsWith("/"))
{
if (!Directory.Exists(outfn))
Directory.CreateDirectory(outfn);
}
else
{
LSEntryObject lsentry = offsetParts.Last(x => x != null);
var fileData = new byte[0];
if (rsobj.CmpSize > 0)
fileData = GetFileDataDecompressed(lsentry.DTOffset + rsobj.OffInPack, (uint)rsobj.CmpSize,
lsentry.DTIndex);
Console.WriteLine(outfn);
Logstream.WriteLine($"{outfn} : size: {rsobj.DecSize:X8}");
if (fileData.Length != rsobj.DecSize)
{
Console.WriteLine("Error: File length doesn't match specified decompressed length, skipping");
Logstream.WriteLine("Error: File length doesn't match specified decompressed length, skipping");
}
File.WriteAllBytes(outfn, fileData);
}
}
// clean up
Logstream.Close();
Console.WriteLine("Extraction finished");
if (File.Exists("resource.dec"))
File.Delete("resource.dec");
if (File.Exists("resource"))
File.Delete("resource");
}
private static unsafe void PatchArchive(string resourceString, string patchFolder)
{
LSEntryObject _resource = lsFile.Entries[Util.calc_crc(resourceString)];
byte[] resource = GetFileDataDecompressed(_resource.DTOffset + (uint)_resource.PaddingLength,
_resource.Size,
_resource.DTIndex);
File.WriteAllBytes(resourceString, resource);
Console.WriteLine($"Patching {resourceString}");
RFFile rfFile = new RFFile(resourceString);
var pathParts = new string[20];
var offsetParts = new LSEntryObject[20];
foreach (ResourceEntryObject rsobj in rfFile.ResourceEntries)
{
if (rsobj == null)
continue;
pathParts[rsobj.FolderDepth - 1] = rsobj.EntryString;
Array.Clear(pathParts, rsobj.FolderDepth, pathParts.Length - (rsobj.FolderDepth + 1));
var path = string.Join("", pathParts);
LSEntryObject fileEntry;
if (rsobj.HasPack)
{
var crcPath = $"data/{path.TrimEnd('/') + (rsobj.Compressed ? "/packed" : "")}";
var crc = Util.calc_crc(crcPath);
lsFile.Entries.TryGetValue(crc, out fileEntry);
}
else
fileEntry = null;
offsetParts[rsobj.FolderDepth - 1] = fileEntry;
Array.Clear(offsetParts, rsobj.FolderDepth, offsetParts.Length - (rsobj.FolderDepth + 1));
if (!path.EndsWith("/"))
if (File.Exists($"{patchFolder}/{path}"))
{
Console.WriteLine($"Patch found: {patchFolder}/{path}");
Logstream.WriteLine($"Patch found: {patchFolder}/{path}");
LSEntryObject lsentry = offsetParts.Last(x => x != null);
byte[] raw = File.ReadAllBytes($"{patchFolder}/{path}");
byte[] compressed = Util.Compress(raw);
if (compressed.Length > rsobj.CmpSize + 0x10)
{
Console.WriteLine("Patching files larger than original not yet supported, skipping");
continue;
}
rsobj.CmpSize = (uint)compressed.Length;
rsobj.DecSize = (uint)raw.Length;
uint difference = 0;
DataSource src = GetFileChunk(lsentry.DTOffset, lsentry.Size, lsentry.DTIndex, out difference);
VoidPtr addr = src.Address + difference;
addr += rsobj.OffInPack;
for (int i = 0; i < compressed.Length; i++)
*(byte*)(addr + i) = compressed[i];
// write 0xCC over unused bytes.
addr += compressed.Length;
int truncateBytes = (int)rsobj.CmpSize - compressed.Length;
for (int i = 0; i < truncateBytes; i++)
*(byte*)(addr + i) = 0xCC;
src.Close();
}
}
// Update resource and LS files.
rfFile.UpdateEntries();
byte[] dec = rfFile._workingSource.Slice((int)rfFile.Header.HeaderLen1,
(int)(rfFile._workingSource.Length - rfFile.Header.HeaderLen1));
byte[] cmp = Util.Compress(dec);
rfFile.Header.CompressedLen = (uint)cmp.Length;
rfFile.Header.DecompressedLen = (uint)dec.Length;
byte[] header = rfFile.Header.ToArray();
byte[] full = header.Concat(cmp).ToArray();
lsFile.Entries[Util.calc_crc(resourceString)].Size = (uint)full.Length;
lsFile.UpdateEntries();
// Patch the resource data back into the DT file.
uint diff;
DataSource rSource = GetFileChunk(_resource.DTOffset, _resource.Size, _resource.DTIndex, out diff);
VoidPtr curAddr = rSource.Address + diff;
for (int i = 0; i < full.Length; i++)
{
*(byte*)(curAddr + i) = full[i];
}
rSource.Close();
rfFile._workingSource.Close();
if (File.Exists(resourceString))
File.Delete(resourceString);
if (File.Exists(resourceString + ".dec"))
File.Delete(resourceString + ".dec");
}