private int extractBundleFile(string bundleFileName)
{
int extractedCount = 0;
StatusStripUpdate("Decompressing " + Path.GetFileName(bundleFileName) + " ,,,");
string extractPath = bundleFileName + "_unpacked\\";
Directory.CreateDirectory(extractPath);
using (BundleFile b_File = new BundleFile(bundleFileName))
{
foreach (var memFile in b_File.MemoryAssetsFileList)
{
string filePath = extractPath + memFile.fileName.Replace('/','\\');
if (!Directory.Exists(Path.GetDirectoryName(filePath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(filePath));
}
if (File.Exists(filePath))
{
StatusStripUpdate("File " + memFile.fileName + " already exists");
}
else
{
StatusStripUpdate("Extracting " + Path.GetFileName(memFile.fileName));
extractedCount += 1;
using (FileStream file = new FileStream(filePath, FileMode.Create, System.IO.FileAccess.Write))
{
memFile.memStream.WriteTo(file);
}
}
}
}
return extractedCount;
}
private void LoadBundleFile(string bundleFileName)
{
StatusStripUpdate("Decompressing " + Path.GetFileName(bundleFileName) + "...");
using (BundleFile b_File = new BundleFile(bundleFileName))
{
List<AssetsFile> b_assetsfileList = new List<AssetsFile>();
foreach (var memFile in b_File.MemoryAssetsFileList) //filter unity files
{
bool validAssetsFile = false;
switch (Path.GetExtension(memFile.fileName))
{
case ".assets":
case ".sharedAssets":
validAssetsFile = true;
break;
case "":
if (memFile.fileName == "mainData" || Regex.IsMatch(memFile.fileName, "level.*?") || Regex.IsMatch(memFile.fileName, "CustomAssetBundle-.*?") || Regex.IsMatch(memFile.fileName, "CAB-.*?") || Regex.IsMatch(memFile.fileName, "BuildPlayer-.*?")) { validAssetsFile = true; }
break;
}
if (validAssetsFile)
{
StatusStripUpdate("Loading " + memFile.fileName);
memFile.fileName = Path.GetDirectoryName(bundleFileName) + "\\" + memFile.fileName; //add path for extract location
AssetsFile assetsFile = new AssetsFile(memFile.fileName, new EndianStream(memFile.memStream, EndianType.BigEndian));
if (assetsFile.fileGen == 6 && Path.GetFileName(bundleFileName) != "mainData") //2.6.x and earlier don't have a string version before the preload table
{
//make use of the bundle file version
assetsFile.m_Version = b_File.ver3;
assetsFile.version = Array.ConvertAll((b_File.ver3.Split(new string[] { ".", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "\n" }, StringSplitOptions.RemoveEmptyEntries)), int.Parse);
assetsFile.buildType = b_File.ver3.Split(new string[] { ".", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" }, StringSplitOptions.RemoveEmptyEntries);
}
b_assetsfileList.Add(assetsFile);
}
else
{
memFile.memStream.Close();
}
}
assetsfileList.AddRange(b_assetsfileList);//will the streams still be available for reading data?
foreach (var assetsFile in b_assetsfileList)
{
foreach (var sharedFile in assetsFile.sharedAssetsList)
{
sharedFile.fileName = Path.GetDirectoryName(bundleFileName) + "\\" + sharedFile.fileName;
var loadedSharedFile = b_assetsfileList.Find(aFile => aFile.filePath == sharedFile.fileName);
if (loadedSharedFile != null) { sharedFile.Index = assetsfileList.IndexOf(loadedSharedFile); }
}
}
}
}
