Second commit

Assets/Tremble/Utils/DirectoryUtil.cs

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+// 
+// This file is part of the Tremble package by Tiny Goose.
+// Copyright (c) 2024-2026 TinyGoose Ltd., All Rights Reserved.
+//
+
+using System.IO;
+using System.Threading.Tasks;
+
+namespace TinyGoose.Tremble
+{
+	public static class DirectoryUtil
+	{
+		private static readonly char[] s_PathSeparators = { '\\', '/' };
+
+		public static void EmptyAndCreateDirectory(string folder)
+		{
+			if (Directory.Exists(folder))
+			{
+				Directory.Delete(folder, true);
+			}
+			
+			CreateAllDirectories(folder);
+		}
+		
+		public static int CreateAllDirectories(string folders)
+		{
+			int numCreated = 0;
+
+			string[] pathFolders = folders.Split(s_PathSeparators);
+			if (pathFolders.Length <= 1)
+				return numCreated;
+			
+			string path = pathFolders[0];
+			
+			for (int i = 1; i < pathFolders.Length; i++)
+			{
+				// Path.Combine breaks when it's absolute (because /Users becomes Users)
+				path += Path.DirectorySeparatorChar + pathFolders[i];
+
+				if (i == pathFolders.Length - 1 && pathFolders[i].Contains('.'))
+				{
+					// Last component and it has a dot - it's a file!
+					break;
+				}
+				
+				if (!Directory.Exists(path))
+				{
+					Directory.CreateDirectory(path);
+					numCreated++;
+				}
+			}
+
+			return numCreated;
+		}
+
+		public static async Task<bool> CopyDirectory(string source, string destination)
+		{
+			DirectoryInfo dir = new(source);
+
+			// Check if the source directory exists
+			if (!dir.Exists)
+				return false;
+
+			EmptyAndCreateDirectory(destination);
+
+			await Task.Run(async () =>
+			{
+				foreach (FileInfo file in dir.GetFiles())
+				{
+					string targetFilePath = Path.Combine(destination, file.Name);
+					file.CopyTo(targetFilePath);
+				}
+
+				// Recurse!
+				foreach (DirectoryInfo subDir in dir.GetDirectories())
+				{
+					string newDestinationDir = Path.Combine(destination, subDir.Name);
+					await CopyDirectory(subDir.FullName, newDestinationDir);
+				}
+			});
+
+			return true;
+		}
+	}
+}