public static byte[] GetTextureData(Texture2DMipInfo mipToLoad, bool decompress = true)
{
var imagebytes = new byte[decompress ? mipToLoad.uncompressedSize : mipToLoad.compressedSize];
//Debug.WriteLine("getting texture data for " + mipToLoad.Export.FullPath);
if (mipToLoad.storageType == StorageTypes.pccUnc)
{
Buffer.BlockCopy(mipToLoad.Export.Data, mipToLoad.localExportOffset, imagebytes, 0, mipToLoad.uncompressedSize);
}
else if (mipToLoad.storageType == StorageTypes.pccLZO || mipToLoad.storageType == StorageTypes.pccZlib)
{
if (decompress)
{
try
{
TextureCompression.DecompressTexture(imagebytes,
new MemoryStream(mipToLoad.Export.Data, mipToLoad.localExportOffset, mipToLoad.compressedSize),
mipToLoad.storageType, mipToLoad.uncompressedSize, mipToLoad.compressedSize);
}
catch (Exception e)
{
throw new Exception($"{e.Message}\nStorageType: {mipToLoad.storageType}\n");
}
}
else
{
Buffer.BlockCopy(mipToLoad.Export.Data, mipToLoad.localExportOffset, imagebytes, 0, mipToLoad.compressedSize);
}
}
else if (mipToLoad.storageType == StorageTypes.extUnc || mipToLoad.storageType == StorageTypes.extLZO || mipToLoad.storageType == StorageTypes.extZlib)
{
string filename = null;
List <string> loadedFiles = MEDirectories.EnumerateGameFiles(mipToLoad.Export.Game, MEDirectories.GamePath(mipToLoad.Export.Game));
if (mipToLoad.Export.Game == MEGame.ME1)
{
var fullPath = loadedFiles.FirstOrDefault(x => Path.GetFileName(x).Equals(mipToLoad.TextureCacheName, StringComparison.InvariantCultureIgnoreCase));
if (fullPath != null)
{
filename = fullPath;
}
else
{
throw new FileNotFoundException($"Externally referenced texture file not found in game: {mipToLoad.TextureCacheName}.");
}
}
else
{
string archive = mipToLoad.TextureCacheName + ".tfc";
var localDirectoryTFCPath = Path.Combine(Path.GetDirectoryName(mipToLoad.Export.FileRef.FilePath), archive);
if (File.Exists(localDirectoryTFCPath))
{
filename = localDirectoryTFCPath;
}
else
{
var tfcs = loadedFiles.Where(x => x.EndsWith(".tfc")).ToList();
var fullPath = loadedFiles.FirstOrDefault(x => Path.GetFileName(x).Equals(archive, StringComparison.InvariantCultureIgnoreCase));
if (fullPath != null)
{
filename = fullPath;
}
else
{
throw new FileNotFoundException($"Externally referenced texture cache not found: {archive}.");
}
}
}
//exceptions above will prevent filename from being null here
try
{
using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
try
{
fs.Seek(mipToLoad.externalOffset, SeekOrigin.Begin);
if (mipToLoad.storageType == StorageTypes.extLZO || mipToLoad.storageType == StorageTypes.extZlib)
{
if (decompress)
{
using (MemoryStream tmpStream = new MemoryStream(fs.ReadBytes(mipToLoad.compressedSize)))
{
try
{
TextureCompression.DecompressTexture(imagebytes, tmpStream, mipToLoad.storageType, mipToLoad.uncompressedSize, mipToLoad.compressedSize);
}
catch (Exception e)
{
throw new Exception(e.Message + "\n" + "File: " + filename + "\n" +
"StorageType: " + mipToLoad.storageType + "\n" +
"External file offset: " + mipToLoad.externalOffset);
}
}
}
else
{
fs.Read(imagebytes, 0, mipToLoad.compressedSize);
}
}
else
{
fs.Read(imagebytes, 0, mipToLoad.uncompressedSize);
}
}
catch (Exception e)
{
throw new Exception(e.Message + "\n" + "File: " + filename + "\n" +
"StorageType: " + mipToLoad.storageType + "\n" +
"External file offset: " + mipToLoad.externalOffset);
}
}
}
catch (Exception e)
{
throw new Exception(e.Message + "\n" + "File: " + filename + "\n" +
"StorageType: " + mipToLoad.storageType + "\n" +
"External file offset: " + mipToLoad.externalOffset);
}
}
return(imagebytes);
}