// pass the path to the file and check the return
public static FilePEType GetFilePE(string path)
{
FilePEType pe = new FilePEType();
pe = FilePEType.IMAGE_FILE_MACHINE_UNKNOWN;
if (File.Exists(path))
{
using (var fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
byte[] data = new byte[4096];
fs.Read(data, 0, 4096);
ushort result = BitConverter.ToUInt16(data, BitConverter.ToInt32(data, 60) + 4);
try
{
pe = (FilePEType)result;
}
catch (Exception)
{
pe = FilePEType.IMAGE_FILE_MACHINE_UNKNOWN;
}
}
}
return(pe);
}
private void PerformLocalInstall()
{
ActiveOperation = true;
/*
* 1. Browse for appropriate executable.
* 2. Download and extract Special K archive to a dummy folder.
* 3. Detect 32-bit or 64-bit from the file executable.
* 4. Prompt user about API support (might be able to be automated in the future?)
* 5. Move appropriate SpecialK32/64.dll files to the target folder.
*
*/
ApiDialog apiDialog = new ApiDialog();
OpenFileDialog fileDialog = new OpenFileDialog
{
Filter = "Game executables (*.exe)|*.exe",
Title = "Browse for game executable",
CheckFileExists = true,
CheckPathExists = true,
Multiselect = false,
ValidateNames = true,
RestoreDirectory = true
};
if (fileDialog.ShowDialog() == DialogResult.OK && apiDialog.ShowDialog() == DialogResult.OK)
{
LocalInstallAPI = apiDialog.Api;
Log("Attempting to install local (game-specific) wrapper DLLs for " + fileDialog.FileName);
FilePEType type = GetFilePE(fileDialog.FileName);
if (type == FilePEType.IMAGE_FILE_MACHINE_AMD64)
{
LocalInstall64bit = true; // 64-bit
}
else if (type == FilePEType.IMAGE_FILE_MACHINE_I386)
{
LocalInstall64bit = false; // 32-bit, or AnyCPU for .NET-based games
}
else
{
Log("Unknown executable architecture."); // Unknown
}
TargetInstallPath = Path.GetDirectoryName(fileDialog.FileName);
bool fileExists = File.Exists(_tmpDownloadPath);
bool cancel = false;
if (fileExists)
{
Log("A file called " + _tmpArchiveName + " was found in the downloads folder. Prompting user on how to proceed.");
switch (MessageBox.Show("A file called " + _tmpArchiveName + " was found in the downloads folder.\r\nDo you want to use that one?\r\n\r\nClicking 'No' will redownload the file from the Internet.", "Found local file for selected version", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question, MessageBoxDefaultButton.Button3))
{
case DialogResult.Yes:
Log("User chose to reuse the local copy found.");
break;
case DialogResult.No:
fileExists = false;
Log("User chose to redownload the archive from the Internet.");
break;
case DialogResult.Cancel:
cancel = true;
ActiveOperation = false;
Log("User canceled the install process.");
break;
}
}
if (cancel == false)
{
if (fileExists == false)
{
Log("Downloading " + _tmpDownloadURL);
using (OngoingDownload = new WebClient())
{
OngoingDownload.DownloadProgressChanged += OnDownloadProgressChanged;
OngoingDownload.DownloadFileCompleted += (object sender, AsyncCompletedEventArgs e) =>
{
if (!tsProgress.IsDisposed)
{
tsProgress.Visible = false;
}
if (e.Cancelled || e.Error != null)
{
if (e.Cancelled)
{
Log("Download cancelled!");
}
else if (e.Error != null)
{
Log("Download failed!");
Log("Error message: " + e.Error.Message + "\r\n");
}
Log("Cleaning up incomplete file " + _tmpDownloadPath);
if (File.Exists(_tmpDownloadPath))
{
File.Delete(_tmpDownloadPath);
}
ActiveOperation = false;
CancelOperation = true;
OngoingDownload.Dispose();
OngoingDownload = null;
return;
}
Log("Download completed!");
FinalizeLocalInstall();
OngoingDownload.Dispose();
OngoingDownload = null;
};
OngoingDownload.DownloadFileAsync(new Uri(_tmpDownloadURL), _tmpDownloadPath);
}
}
else
{
FinalizeLocalInstall();
}
}
}
else
{
ActiveOperation = CancelOperation = false;
}
}
