/// <summary>
/// Copies directory located at sourcePath to destinationPath. Displays a progress bar.
/// Same as the previous method, but uses recursion to copy all nested folders as well.
/// </summary>
/// <param name="source">Directory to be copied.</param>
/// <param name="destination">Destination directory (created automatically if needed).</param>
/// <param name="totalBytes">Total bytes to be copied. Calculated automatically, initialize at 0.</param>
/// <param name="copiedBytes">To track already copied bytes. Calculated automatically, initialize at 0.</param>
/// <param name="progressBarPrefix">Optional string added to the beginning of the progress bar window header.</param>
private static void CopyDirectoryWithProgressBarRecursive(DirectoryInfo source, DirectoryInfo destination, ref long totalBytes, ref long copiedBytes, string progressBarPrefix = "")
{
/// Directory cannot be copied into itself.
if (source.FullName.ToLower() == destination.FullName.ToLower())
{
Debug.LogError("Cannot copy directory into itself.");
return;
}
/// Calculate total bytes, if required.
if (totalBytes == 0)
{
totalBytes = ProjectCloner.GetDirectorySize(source, true, progressBarPrefix);
}
/// Create destination directory, if required.
if (!Directory.Exists(destination.FullName))
{
Directory.CreateDirectory(destination.FullName);
}
/// Copy all files from the source.
foreach (FileInfo file in source.GetFiles())
{
try
{
file.CopyTo(Path.Combine(destination.ToString(), file.Name), true);
}
catch (IOException)
{
/// Some files may throw IOException if they are currently open in Unity editor.
/// Just ignore them in such case.
}
/// Account the copied file size.
copiedBytes += file.Length;
/// Display the progress bar.
float progress = (float)copiedBytes / (float)totalBytes;
bool cancelCopy = EditorUtility.DisplayCancelableProgressBar(
progressBarPrefix + "Copying '" + source.FullName + "' to '" + destination.FullName + "'...",
"(" + (progress * 100f).ToString("F2") + "%) Copying file '" + file.Name + "'...",
progress);
if (cancelCopy)
{
return;
}
}
/// Copy all nested directories from the source.
foreach (DirectoryInfo sourceNestedDir in source.GetDirectories())
{
DirectoryInfo nextDestingationNestedDir = destination.CreateSubdirectory(sourceNestedDir.Name);
ProjectCloner.CopyDirectoryWithProgressBarRecursive(sourceNestedDir, nextDestingationNestedDir, ref totalBytes, ref copiedBytes, progressBarPrefix);
}
}
/// <summary>
/// Copies directory located at sourcePath to destinationPath. Displays a progress bar.
/// </summary>
/// <param name="source">Directory to be copied.</param>
/// <param name="destination">Destination directory (created automatically if needed).</param>
/// <param name="progressBarPrefix">Optional string added to the beginning of the progress bar window header.</param>
public static void CopyDirectoryWithProgressBar(string sourcePath, string destinationPath, string progressBarPrefix = "")
{
var source = new DirectoryInfo(sourcePath);
var destination = new DirectoryInfo(destinationPath);
long totalBytes = 0;
long copiedBytes = 0;
ProjectCloner.CopyDirectoryWithProgressBarRecursive(source, destination, ref totalBytes, ref copiedBytes, progressBarPrefix);
EditorUtility.ClearProgressBar();
}
/// <summary>
/// Copies directory located at sourcePath to destinationPath. Displays a progress bar.
/// Same as the previous method, but uses recursion to copy all nested folders as well.
/// </summary>
/// <param name="source">Directory to be copied.</param>
/// <param name="destination">Destination directory (created automatically if needed).</param>
/// <param name="totalBytes">Total bytes to be copied. Calculated automatically, initialize at 0.</param>
/// <param name="copiedBytes">To track already copied bytes. Calculated automatically, initialize at 0.</param>
/// <param name="progressBarPrefix">Optional string added to the beginning of the progress bar window header.</param>
private static void CopyDirectoryWithProgressBarRecursive(DirectoryInfo source, DirectoryInfo destination, ref long totalBytes, ref long copiedBytes, string progressBarPrefix)
{
// Directory cannot be copied into itself.
if (source.FullName.ToLower() == destination.FullName.ToLower())
{
Debug.LogError("Cannot copy directory into itself.");
return;
}
// Calculate total bytes, if required.
if (totalBytes == 0)
{
totalBytes = ProjectCloner.GetDirectorySize(source, true, progressBarPrefix);
}
// Create destination directory, if required.
if (!Directory.Exists(destination.FullName))
{
Directory.CreateDirectory(destination.FullName);
}
// Copy all files from the source.
foreach (FileInfo file in source.GetFiles())
{
var currentFile = file;
// Fix which allows to exceed MAX_PATH when working with files in Windows.
// Without it, files with full path longer than 259 characters will throw a FileNotFoundException.
if (Application.platform == RuntimePlatform.WindowsEditor)
{
currentFile = new FileInfo($"\\\\?\\{file.FullName}");
}
try
{
currentFile.CopyTo(Path.Combine(destination.ToString(), currentFile.Name), true);
}
catch (IOException)
{
// Some files may throw IOException if they are currently open in Unity editor.
// Just ignore them in such case.
}
// Account the copied file size.
copiedBytes += currentFile.Length;
// Display the progress bar.
float progress = (float)copiedBytes / (float)totalBytes;
bool cancelCopy = EditorUtility.DisplayCancelableProgressBar(
$"{progressBarPrefix}Copying '{source.FullName}' to '{destination.FullName}'...",
$"[{(progress * 100f):F2}%] Copying file '{currentFile.Name}'...",
progress);
if (cancelCopy)
{
return;
}
}
// Copy all nested directories from the source.
foreach (DirectoryInfo sourceNestedDir in source.GetDirectories())
{
DirectoryInfo nextDestingationNestedDir = destination.CreateSubdirectory(sourceNestedDir.Name);
ProjectCloner.CopyDirectoryWithProgressBarRecursive(sourceNestedDir, nextDestingationNestedDir, ref totalBytes, ref copiedBytes, progressBarPrefix);
}
}
