Fix issue with Unity Data folder creating extraneous folders in Xcode project

Author: Eric Miller

Sources/UBKit/Files/Unity/UnityEditorBuildScript.swift

@@ -67,7 +67,7 @@ extension File {
                 var pbxPath = Path.Combine(iOSProjectRoot, PbxFilePath);
                 pbx.ReadFromFile(pbxPath);
 
-                var folderGuid = pbx.AddFolderReference(Path.Combine(folderRootPath, "Data"), Path.Combine(iOSProjectRoot, DataProjectPath), PBXSourceTree.Absolute);
+                var folderGuid = pbx.AddFolderReference(Path.Combine(folderRootPath, "Data"), DataProjectPath, PBXSourceTree.Absolute);
                 var targetGiud = pbx.TargetGuidByName(iOSProjectName);
                 var resourceGiud = pbx.GetResourcesBuildPhaseByTarget(targetGiud);
                 pbx.AddFileToBuildSection(targetGiud, resourceGiud, folderGuid);

Sources/UBKit/Workers/XcodeProject.swift

@@ -31,6 +31,8 @@ class XcodeProject {
     private let unityVersion: String
     private let projectPath: String
     private let vendorFolderPath: String
+    private let vendorClassesFolderPath: String
+    private let vendorLibrariesFolderPath: String
     private let specFileName: String
     private let bridgingFilesPath: String
 
@@ -45,6 +47,8 @@ class XcodeProject {
 
         self.projectPath = workingPath.appending(projectName).appending("/")
         self.vendorFolderPath = workingPath.appending("Vendor/UBK/")
+        self.vendorClassesFolderPath = vendorFolderPath.appending("Classes")
+        self.vendorLibrariesFolderPath = vendorFolderPath.appending("Libraries")
         self.specFileName = "project.yml"
         self.bridgingFilesPath = projectPath.appending("UnityBridge/")
     }
@@ -80,9 +84,9 @@ class XcodeProject {
             return unityFilesResult
         }
 
-        let unityFolderResult = createUnityVendorFolder()
-        guard unityFolderResult == .success else {
-            return unityFolderResult
+        let unityFoldersResult = createUnityVendorFolders()
+        guard unityFoldersResult == .success else {
+            return unityFoldersResult
         }
 
         let projectGenerationResult = generateXcodeProject()
@@ -211,9 +215,11 @@ private extension XcodeProject {
         }
     }
 
-    func createUnityVendorFolder() -> Result {
+    func createUnityVendorFolders() -> Result {
         do {
             try fileManager.createDirectory(atPath: vendorFolderPath, withIntermediateDirectories: true, attributes: nil)
+            try fileManager.createDirectory(atPath: vendorClassesFolderPath, withIntermediateDirectories: true, attributes: nil)
+            try fileManager.createDirectory(atPath: vendorLibrariesFolderPath, withIntermediateDirectories: true, attributes: nil)
 
             return .success
         } catch {