Second commit

Assets/Tremble/Utils/PackedResourceUtil.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;
+using UnityEngine;
+
+
+namespace TinyGoose.Tremble
+{
+	public static class PackedResourceUtil
+	{
+#if UNITY_EDITOR
+		public static async Task<string> PackFolderIntoResource(string folderPath, string resourceName)
+		{
+			if (!Directory.Exists(folderPath))
+				return null;
+
+			string containingFolder = Path.Combine(Directory.GetCurrentDirectory(), "Assets", "StreamingAssets");
+			string resourcePath = Path.Combine(containingFolder, resourceName + ".tpak");
+
+			DirectoryUtil.CreateAllDirectories(containingFolder);
+			File.Delete(resourcePath);
+
+			TpakArchive tpak = new(resourcePath);
+			tpak.AddDirectory(folderPath);
+			await tpak.PackAsync();
+
+			return resourcePath;
+		}
+#endif
+
+		public static async Task<bool> UnpackResourceIntoFolder(string resourceName, string folderPath)
+		{
+			// Empty directory
+			DirectoryUtil.CreateAllDirectories(folderPath);
+
+			string resourcePath = Path.Combine(Application.streamingAssetsPath, resourceName + ".tpak");
+			if (!File.Exists(resourcePath))
+				return false;
+
+			TpakArchive tpak = new(resourcePath);
+			await tpak.UnpackAsync(folderPath);
+			return true;
+		}
+	}
+}