/// <summary>
/// 导入一整个目录的资源文件
/// </summary>
/// <param name="directoryPath"></param>
/// <param name="targetFileName"></param>
public static void ImportAssets(string directoryPath, string targetFileName)
{
if (Directory.Exists(directoryPath))
{
var files = Directory.GetFiles(directoryPath);
var replList = new List <AssetsReplacer>();
//清空LOG文件
logPath = Path.GetFileNameWithoutExtension(targetFileName) + ".txt";
File.WriteAllText(logPath, "", Encoding.UTF8);
for (int i = 0; i < files.Length; i++)
{
//锁定范围(920,1000]
//if (i >= 920 && i <= 960) continue;
//if (i >= 1000 && i <= 1500) continue;
//if (i >= int.Parse(arr[0]) && i <= int.Parse(arr[1])) continue;
var splitArr = Path.GetFileNameWithoutExtension(files[i]).Split(new string[] { "--" }, StringSplitOptions.None);
string name;
if (splitArr.Length == 2)
{
name = splitArr[1];
}
else
{
name = splitArr[3];
}
var temp = GenReplacerFromMemory(long.Parse(name), files[i], splitArr);
//var temp = GenReplacerFromMemoryByJson(long.Parse(name), files[i]);
if (temp != null)
{
replList.Add(temp);
}
}
var inst = IEManager.AssetsFileInstance;
var writer = new AssetsFileWriter(File.OpenWrite(targetFileName));
//Bundle和普通的分离操作
if (IEManager.IsBundle)
{
AssetBundleFile abFile = inst.parentBundle.file;
var index = FindAssetsIDInBundle(inst, abFile);
BundleReplacerFromAssets brfa = new BundleReplacerFromAssets(Path.GetFileName(inst.path), null, inst.file, replList, index);
List <BundleReplacer> bRepList = new List <BundleReplacer>();
bRepList.Add(brfa);
abFile.Write(writer, bRepList);
}
else
{
inst.file.Write(writer, 0, replList, 0);
}
writer.Close();
}
}
public void SaveTo(List <AssetsReplacer> replacers, Stream outputStream)
{
if (replacers == null)
{
throw new ArgumentNullException(nameof(replacers));
}
if (outputStream == null)
{
throw new ArgumentNullException(nameof(outputStream));
}
using var bufferStream = new MemoryStream();
using var assetFileWriter = new AssetsFileWriter(bufferStream);
uint fileId = 0; // ?
var bundleReplacer = new BundleReplacerFromAssets(
assetsFile.name, assetsFile.name, assetsFile.file, replacers, fileId
);
bundle.file.Write(assetFileWriter, new List <BundleReplacer>()
{
bundleReplacer
});
assetFileWriter.Flush();
// Close the stream so the temporary file can be deleted.
bundle.stream.Close();
// We can't use stream in AssetsFileWriter or it will be closed when writer is disposed.
outputStream.Position = 0;
outputStream.SetLength(0);
bufferStream.Position = 0;
bufferStream.CopyTo(outputStream);
}
private static object ParseReplacer(AssetsFileReader reader, bool prefReplacersInMemory)
{
short replacerType = reader.ReadInt16();
byte fileType = reader.ReadByte();
if (fileType == 0) //BundleReplacer
{
string oldName = reader.ReadCountStringInt16();
string newName = reader.ReadCountStringInt16();
bool hasSerializedData = reader.ReadByte() != 0; //guess
long replacerCount = reader.ReadInt64();
List <AssetsReplacer> replacers = new List <AssetsReplacer>();
for (int i = 0; i < replacerCount; i++)
{
AssetsReplacer assetReplacer = (AssetsReplacer)ParseReplacer(reader, prefReplacersInMemory);
replacers.Add(assetReplacer);
}
if (replacerType == 4) //BundleReplacerFromAssets
{
//we have to null the assetsfile here and call init later
BundleReplacer replacer = new BundleReplacerFromAssets(oldName, newName, null, replacers, 0);
return(replacer);
}
}
else if (fileType == 1) //AssetsReplacer
{
byte unknown01 = reader.ReadByte(); //always 1
int fileId = reader.ReadInt32();
long pathId = reader.ReadInt64();
int classId = reader.ReadInt32();
ushort monoScriptIndex = reader.ReadUInt16();
List <AssetPPtr> preloadDependencies = new List <AssetPPtr>();
int preloadDependencyCount = reader.ReadInt32();
for (int i = 0; i < preloadDependencyCount; i++)
{
AssetPPtr pptr = new AssetPPtr(reader.ReadInt32(), reader.ReadInt64());
preloadDependencies.Add(pptr);
}
if (replacerType == 0) //remover
{
AssetsReplacer replacer = new AssetsRemover(fileId, pathId, classId, monoScriptIndex);
if (preloadDependencyCount != 0)
{
replacer.SetPreloadDependencies(preloadDependencies);
}
return(replacer);
}
else if (replacerType == 2) //adder/replacer?
{
Hash128? propertiesHash = null;
Hash128? scriptHash = null;
ClassDatabaseFile?classData = null;
AssetsReplacer replacer;
bool flag1 = reader.ReadByte() != 0; //no idea, couldn't get it to be 1
if (flag1)
{
throw new NotSupportedException("you just found a file with the mysterious flag1 set, send the file to nes");
}
bool flag2 = reader.ReadByte() != 0; //has properties hash
if (flag2)
{
propertiesHash = new Hash128(reader);
}
bool flag3 = reader.ReadByte() != 0; //has script hash
if (flag3)
{
scriptHash = new Hash128(reader);
}
bool flag4 = reader.ReadByte() != 0; //has cldb
if (flag4)
{
classData = new ClassDatabaseFile();
classData.Read(reader);
}
long bufLength = reader.ReadInt64();
if (prefReplacersInMemory)
{
byte[] buf = reader.ReadBytes((int)bufLength);
replacer = new AssetsReplacerFromMemory(fileId, pathId, classId, monoScriptIndex, buf);
}
else
{
replacer = new AssetsReplacerFromStream(fileId, pathId, classId, monoScriptIndex, reader.BaseStream, reader.Position, bufLength);
}
if (propertiesHash != null)
{
replacer.SetPropertiesHash(propertiesHash.Value);
}
if (scriptHash != null)
{
replacer.SetScriptIDHash(scriptHash.Value);
}
if (scriptHash != null)
{
replacer.SetTypeInfo(classData, null, false); //idk what the last two are supposed to do
}
if (preloadDependencyCount != 0)
{
replacer.SetPreloadDependencies(preloadDependencies);
}
return(replacer);
}
}
return(null);
}
