feat: Now it can pack whole folders

Author: paulpach

UnityPackager.Tests/PackerTest.cs

@@ -23,9 +23,6 @@ public void PackTest()
             Packer.Pack(fileMap, "sample.unitypackage");
 
             Assert.True(File.Exists("sample.unitypackage"), "Package should have been created");
-            // now let's unpack and check it out
-            string fullpath = Path.GetFullPath("sample.unitypackage");
-            Console.WriteLine($"Full path is {fullpath}");
 
             Unpacker.Unpack("sample.unitypackage", "sample_out");
 
@@ -44,6 +41,32 @@ public void PackTest()
             Assert.True(meta2.Contains("somethingelse"), "Packer should preserve our custom yaml files");
         }
 
+        [Fact]
+        public void RecursivePackTest()
+        {
+            Dictionary<string, string> fileMap = new Dictionary<string, string>
+            {
+                ["sample"] = "Assets/UnityPacker",
+            };
+
+            Packer.Pack(fileMap, "recursivesample.unitypackage");
+
+            Assert.True(File.Exists("recursivesample.unitypackage"), "Package should have been created");
+
+            Unpacker.Unpack("recursivesample.unitypackage", "rsample_out");
+
+            Assert.True(File.Exists("rsample_out/Assets/UnityPacker/sample1.txt"), "sample1.txt should have been decompressed");
+            Assert.True(File.Exists("rsample_out/Assets/UnityPacker/sample1.meta"), "sample1.meta should have been generated");
+
+            Assert.True(File.Exists("rsample_out/Assets/UnityPacker/childfolder/sample2.txt"), "sample2.txt should have been decompressed");
+            Assert.True(File.Exists("rsample_out/Assets/UnityPacker/childfolder/sample2.meta"), "sample2.meta should have been generated");
+            Assert.True(File.Exists("rsample_out/Assets/UnityPacker/box.png"), "box.png should have been decompressed");
+            Assert.True(File.Exists("rsample_out/Assets/UnityPacker/box.meta"), "box.meta should have been decompressed");
+
+            string meta2 = File.ReadAllText("rsample_out/Assets/UnityPacker/childfolder/sample2.meta");
+            Assert.True(meta2.Contains("somethingelse"), "Packer should preserve our custom yaml files");
+        }
+
         private static byte[] GetMD5(string file)
         {
             using (MD5 md5 = MD5.Create())

UnityPackager/Packer.cs

@@ -30,7 +30,28 @@ private static void AddAssets(IDictionary<string, string> files, string tempPath
         {
             foreach (KeyValuePair<string, string> fileEntry in files)
             {
-                AddAsset(tempPath, fileEntry.Key, fileEntry.Value);
+                if (File.Exists(fileEntry.Key))
+                    AddAsset(tempPath, fileEntry.Key, fileEntry.Value);
+                else if (Directory.Exists(fileEntry.Key))
+                    AddFolder(tempPath, fileEntry.Key, fileEntry.Value);
+                else
+                    throw new FileNotFoundException($"Could not find file or directory {fileEntry.Key}");
+            }
+        }
+
+        private static void AddFolder(string tempPath, string folder, string destination)
+        {
+            string[] files = Directory.GetFiles(folder, "*", SearchOption.AllDirectories);
+
+            foreach (string filename in files)
+            {
+                // metas will be copied with their asset
+                if (Path.GetExtension(filename) == ".meta")
+                    continue;
+
+                string destinationPath = Path.Combine(destination, Path.GetRelativePath(folder, filename));
+
+                AddAsset(tempPath, filename, destinationPath);
             }
         }