Copy Unity Data folder to iOS project

Author: Eric Miller

Sources/UBKit/Models/Config.swift

@@ -25,6 +25,7 @@ struct Config {
     let relativeIOSBuildPath: String
     let relativeUnityClassesPath: String
     let relativeUnityLibrariesPath: String
+    let relativeUnityDataPath: String
 
     init?(json: [String : String]) {
         guard let projectName = json[Keys.projectName],
@@ -57,5 +58,6 @@ struct Config {
         self.relativeIOSBuildPath = self.projectName.appending("/ios_build/")
         self.relativeUnityClassesPath = self.projectName.appending("/ios_build/Classes/")
         self.relativeUnityLibrariesPath = self.projectName.appending("/ios_build/Libraries/")
+        self.relativeUnityDataPath = self.projectName.appending("/ios_build/Data/")
     }
 }

Sources/UBKit/Workers/FileCopier.swift

@@ -72,6 +72,11 @@ class FileCopier {
             return addLibrariesFilesResult
         }
 
+        let copyDataResult = copyUnityDataFolder()
+        guard copyDataResult == .success else {
+            return copyDataResult
+        }
+
         print("Saving Xcode project")
         let saveResult = saveProject()
         guard saveResult == .success else {
@@ -182,7 +187,6 @@ private extension FileCopier {
         if let mainTarget = project.pbxproj.nativeTargets.filter({ $0.name == config.projectName }).first,
             parentGroup.name == "Libraries" {
             mainTarget.buildPhases.append(frameworksBuildPhase.reference)
-            print("Adding to main target")
         }
         project.pbxproj.addObject(frameworksBuildPhase)
 
@@ -243,6 +247,36 @@ private extension FileCopier {
         return add(toPath: workingPath, parentGroup: parentGroup)
     }
 
+    func copyUnityDataFolder() -> Result {
+        guard let project = project else {
+            return .failure(UBKitError.invalidXcodeProject)
+        }
+
+        guard let unityGroup = project.pbxproj.groups.filter({ $0.path == "Unity" }).first else {
+            return .failure(UBKitError.invalidXcodeProject)
+        }
+
+        let resourcesBuildPhases = project.pbxproj.resourcesBuildPhases
+        guard resourcesBuildPhases.count == 1, let resourcesBuildPhase = resourcesBuildPhases.first else {
+            return .failure(UBKitError.invalidXcodeProject)
+        }
+
+        let fileReference = PBXFileReference(reference: generateUUID(PBXFileReference.self, "data".appending(nameSalt)),
+                                                                sourceTree: .absolute)
+        fileReference.name = "Data"
+        fileReference.path = workingPath.appending(config.relativeUnityDataPath)
+        fileReference.lastKnownFileType = "folder"
+        unityGroup.children.append(fileReference.reference)
+        project.pbxproj.addObject(fileReference)
+
+        let buildFile = PBXBuildFile(reference: generateUUID(PBXBuildFile.self, "data".appending(nameSalt)),
+                                     fileRef: fileReference.reference)
+        project.pbxproj.addObject(buildFile)
+        resourcesBuildPhase.files.append(buildFile.reference)
+
+        return .success
+    }
+
     func saveProject() -> Result {
         guard let project = project else {
             return .failure(UBKitError.invalidXcodeProject)

UnityBuildKit.xcodeproj/project.pbxproj

@@ -468,6 +468,8 @@
 
 /* Begin PBXFileReference section */
 		"AEXML::AEXML::Product" /* AEXML.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = AEXML.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		D450F1BA1F94230600D5283B /* ubconfig.json */ = {isa = PBXFileReference; lastKnownFileType = text.json; path = ubconfig.json; sourceTree = "<group>"; };
+		D450F1BB1F94230700D5283B /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
 		D4A53F081F9238BE00FF33E0 /* UBKitError.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UBKitError.swift; sourceTree = "<group>"; };
 		D4A53F0A1F9385D500FF33E0 /* Config.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Config.swift; sourceTree = "<group>"; };
 		"JSONUtilities::JSONUtilities::Product" /* JSONUtilities.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = JSONUtilities.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -1015,6 +1017,8 @@
 		OBJ_5 = {
 			isa = PBXGroup;
 			children = (
+				D450F1BB1F94230700D5283B /* README.md */,
+				D450F1BA1F94230600D5283B /* ubconfig.json */,
 				OBJ_6 /* Package.swift */,
 				OBJ_7 /* Sources */,
 				OBJ_39 /* Tests */,