Initial Commit

Assets/Oculus/VR/Editor/OVRExpansionFileGenerator.cs

@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * Licensed under the Oculus SDK License Agreement (the "License");
+ * you may not use the Oculus SDK except in compliance with the License,
+ * which is provided at the time of installation or download, or which
+ * otherwise accompanies this software in either electronic or hard copy form.
+ *
+ * You may obtain a copy of the License at
+ *
+ * https://developer.oculus.com/licenses/oculussdk/
+ *
+ * Unless required by applicable law or agreed to in writing, the Oculus SDK
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.IO;
+using System.Xml;
+using UnityEngine;
+using UnityEditor;
+
+public class BuildAssetBundles : MonoBehaviour
+{
+    [MenuItem("Oculus/Tools/Build Mobile-Quest Expansion File", false, 100000)]
+    public static void BuildBundles()
+    {
+        // Create expansion file directory and call build asset bundles
+        string path = Application.dataPath + "/../Asset Bundles/";
+        if (!System.IO.Directory.Exists(path))
+        {
+            System.IO.Directory.CreateDirectory(path);
+        }
+
+        BuildPipeline.BuildAssetBundles(path, BuildAssetBundleOptions.ChunkBasedCompression, BuildTarget.Android);
+
+        // Rename asset bundle file to the proper obb string
+        if (File.Exists(path + "Asset Bundles"))
+        {
+            string expansionName = "main." + PlayerSettings.Android.bundleVersionCode + "." +
+                                   PlayerSettings.applicationIdentifier + ".obb";
+            try
+            {
+                if (File.Exists(path + expansionName))
+                {
+                    File.Delete(path + expansionName);
+                }
+
+                File.Move(path + "Asset Bundles", path + expansionName);
+                UnityEngine.Debug.Log("OBB expansion file " + expansionName + " has been successfully created at " +
+                                      path);
+
+                UpdateAndroidManifest();
+            }
+            catch (Exception e)
+            {
+                UnityEngine.Debug.LogError(e.Message);
+            }
+        }
+    }
+
+    public static void UpdateAndroidManifest()
+    {
+        string manifestFolder = Application.dataPath + "/Plugins/Android";
+        try
+        {
+            // Load android manfiest file
+            XmlDocument doc = new XmlDocument();
+            doc.Load(manifestFolder + "/AndroidManifest.xml");
+
+            string androidNamepsaceURI;
+            XmlElement element = (XmlElement)doc.SelectSingleNode("/manifest");
+            if (element == null)
+            {
+                UnityEngine.Debug.LogError("Could not find manifest tag in android manifest.");
+                return;
+            }
+
+            // Get android namespace URI from the manifest
+            androidNamepsaceURI = element.GetAttribute("xmlns:android");
+            if (!string.IsNullOrEmpty(androidNamepsaceURI))
+            {
+                // Check if the android manifest already has the read external storage permission
+                XmlNodeList nodeList = doc.SelectNodes("/manifest/application/uses-permission");
+                foreach (XmlElement e in nodeList)
+                {
+                    string attr = e.GetAttribute("name", androidNamepsaceURI);
+                    if (attr == "android.permission.READ_EXTERNAL_STORAGE")
+                    {
+                        UnityEngine.Debug.Log("Android manifest already has the proper permissions.");
+                        return;
+                    }
+                }
+
+                element = (XmlElement)doc.SelectSingleNode("/manifest/application");
+                if (element != null)
+                {
+                    // Insert read external storage permission
+                    XmlElement newElement = doc.CreateElement("uses-permission");
+                    newElement.SetAttribute("name", androidNamepsaceURI, "android.permission.READ_EXTERNAL_STORAGE");
+                    element.AppendChild(newElement);
+
+                    doc.Save(manifestFolder + "/AndroidManifest.xml");
+                    UnityEngine.Debug.Log("Successfully modified android manifest with external storage permission.");
+                    return;
+                }
+            }
+
+            UnityEngine.Debug.LogError("Could not find android naemspace URI in android manifest.");
+        }
+        catch (Exception e)
+        {
+            UnityEngine.Debug.LogError(e.Message);
+        }
+    }
+}