private static void PrebuildProjectSettingUpdate()
{
// Modify application identifier for transition APK
projectDefaultAppIdentifier = PlayerSettings.GetApplicationIdentifier(BuildTargetGroup.Android);
PlayerSettings.SetApplicationIdentifier(BuildTargetGroup.Android,
projectDefaultAppIdentifier + GetTransitionApkOptionalIdentifier());
// Set VersionCode as a unique identifier for transition APK
projectDefaultVersion = PlayerSettings.bundleVersion;
PlayerSettings.bundleVersion = TRANSITION_APK_VERSION_NAME;
// Modify IL2CPP option as it strips script symbols that are necessary for the scenes at runtime
projectScriptImplementation = PlayerSettings.GetScriptingBackend(EditorUserBuildSettings.selectedBuildTargetGroup);
if (projectScriptImplementation != ScriptingImplementation.Mono2x)
{
// Show message in console to make it more clear to developers
OVRBundleTool.PrintLog("Build will use Mono as scripting backend.");
PlayerSettings.SetScriptingBackend(EditorUserBuildSettings.selectedBuildTargetGroup, ScriptingImplementation.Mono2x);
}
// Avoid stripping managed code that are necessary for the scenes at runtime
projectManagedStrippingLevel = PlayerSettings.GetManagedStrippingLevel(BuildTargetGroup.Android);
if (projectManagedStrippingLevel != ManagedStrippingLevel.Disabled)
{
OVRBundleTool.PrintLog("Build will set Managed Stripping Level to Disabled.");
PlayerSettings.SetManagedStrippingLevel(BuildTargetGroup.Android, ManagedStrippingLevel.Disabled);
}
projectStripEngineCode = PlayerSettings.stripEngineCode;
if (projectStripEngineCode)
{
PlayerSettings.stripEngineCode = false;
}
}
public static void BuildDeployTransitionAPK()
{
OVRBundleTool.PrintLog("Building and deploying transition APK . . .\n", true);
PrebuildProjectSettingUpdate();
var buildPlayerOptions = CalculateBundleBuildPlayerOptions();
if (!buildPlayerOptions.HasValue)
{
return;
}
DateTime apkBuildStart = DateTime.Now;
BuildReport report = BuildPipeline.BuildPlayer(buildPlayerOptions.Value);
if (report.summary.result == BuildResult.Succeeded)
{
OVRBundleTool.PrintSuccess();
}
else if (report.summary.result == BuildResult.Failed)
{
OVRBundleTool.PrintError();
}
PostbuildProjectSettingUpdate();
}
public static bool UninstallAPK()
{
OVRBundleTool.PrintLog("Uninstalling Application . . .");
OVRADBTool adbTool = new OVRADBTool(OVRConfig.Instance.GetAndroidSDKPath());
if (adbTool.isReady)
{
string output, error;
string packageName = Application.identifier + ".transition";
string[] appStartCommand = { "-d shell", "pm uninstall", packageName };
if (adbTool.RunCommand(appStartCommand, null, out output, out error) == 0)
{
OVRBundleTool.PrintSuccess();
return(true);
}
OVRBundleTool.PrintError("Failed to uninstall APK.");
}
else
{
OVRBundleTool.PrintError(ADB_TOOL_INITIALIZE_ERROR);
}
return(false);
}
public static bool UninstallAPK()
{
OVRBundleTool.PrintLog("Uninstalling Application . . .");
OVRADBTool adbTool = new OVRADBTool(OVRConfig.Instance.GetAndroidSDKPath());
if (adbTool.isReady)
{
string output, error;
string appPackagename = PlayerSettings.GetApplicationIdentifier(BuildTargetGroup.Android)
+ GetTransitionApkOptionalIdentifier();
string[] appStartCommand = { "-d shell", "pm uninstall", appPackagename };
if (adbTool.RunCommand(appStartCommand, null, out output, out error) == 0)
{
OVRBundleTool.PrintSuccess();
OVRBundleTool.PrintLog("App package " + appPackagename + " is uninstalled.");
return(true);
}
OVRBundleTool.PrintError("Failed to uninstall APK.");
}
else
{
OVRBundleTool.PrintError(ADB_TOOL_INITIALIZE_ERROR);
}
return(false);
}
public static void DeleteRemoteAssetBundles()
{
OVRADBTool adbTool = new OVRADBTool(OVRConfig.Instance.GetAndroidSDKPath());
if (adbTool.isReady)
{
bool failure = false;
string fileExistsError = "No such file or directory";
OVRBundleTool.PrintLog("Deleting device bundles . . . ");
string output, error;
string[] deleteBundleCommand = { "-d shell", "rm -r", externalSceneCache };
if (adbTool.RunCommand(deleteBundleCommand, null, out output, out error) != 0)
{
if (!(output.Contains(fileExistsError) || error.Contains(fileExistsError)))
{
failure = true;
}
}
if (failure)
{
OVRBundleTool.PrintError(string.IsNullOrEmpty(error) ? output : error);
OVRBundleTool.PrintError("Failed to delete scene bundle cache directory.");
}
else
{
OVRBundleTool.PrintSuccess();
}
}
else
{
OVRBundleTool.PrintError(ADB_TOOL_INITIALIZE_ERROR);
}
}
public static bool LaunchApplication()
{
OVRBundleTool.PrintLog("Launching Application . . . ");
OVRADBTool adbTool = new OVRADBTool(OVRConfig.Instance.GetAndroidSDKPath());
if (adbTool.isReady)
{
string output, error;
string appPackagename = PlayerSettings.GetApplicationIdentifier(BuildTargetGroup.Android)
+ GetTransitionApkOptionalIdentifier();
string playerActivityName = "\"" + appPackagename + "/com.unity3d.player.UnityPlayerActivity\"";
string[] appStartCommand = { "-d shell", "am start -a android.intent.action.MAIN -c android.intent.category.LAUNCHER -S -f 0x10200000 -n", playerActivityName };
if (adbTool.RunCommand(appStartCommand, null, out output, out error) == 0)
{
OVRBundleTool.PrintSuccess();
OVRBundleTool.PrintLog("App package " + appPackagename + " is launched.");
return(true);
}
string completeError = "Failed to launch application. Try launching it manually through the device.\n" + (string.IsNullOrEmpty(error) ? output : error);
OVRBundleTool.PrintError(completeError);
}
else
{
OVRBundleTool.PrintError(ADB_TOOL_INITIALIZE_ERROR);
}
return(false);
}
// Build and deploy a list of scenes. It's suggested to only build and deploy one active scene that's being modified and
// its dependencies such as scenes that are loaded additively
public static void BuildDeployScenes(List <OVRBundleTool.EditorSceneInfo> sceneList, bool forceRestart)
{
externalSceneCache = EXTERNAL_STORAGE_PATH + "/" + PlayerSettings.GetApplicationIdentifier(BuildTargetGroup.Android)
+ GetTransitionApkOptionalIdentifier() + "/cache/scenes";
for (int i = 0; i < sceneList.Count; i++)
{
if (!sceneList[i].shouldDeploy)
{
continue;
}
sceneList[i].buildStatus = OVRBundleTool.SceneBundleStatus.QUEUED;
}
BuildSceneBundles(sceneList);
if (DeploySceneBundles(sceneList))
{
if (forceRestart)
{
LaunchApplication();
return;
}
OVRBundleTool.PrintSuccess();
return;
}
}
public static void BuildDeployTransitionAPK(bool useOptionalTransitionApkPackage)
{
OVRBundleTool.PrintLog("Building and deploying transition APK . . .\n", true);
if (!Directory.Exists(BUNDLE_MANAGER_OUTPUT_PATH))
{
Directory.CreateDirectory(BUNDLE_MANAGER_OUTPUT_PATH);
}
PrebuildProjectSettingUpdate();
if (String.IsNullOrEmpty(transitionScenePath))
{
// Get current editor script's directory as base path
string[] res = System.IO.Directory.GetFiles(Application.dataPath, "OVRBundleManager.cs", SearchOption.AllDirectories);
if (res.Length > 1)
{
OVRBundleTool.PrintError("More than one OVRBundleManager editor script has been found, please double check your Oculus SDK import.");
return;
}
else
{
// Append Transition Scene's relative path to base path
var OVREditorScript = Path.GetDirectoryName(res[0]);
transitionScenePath = Path.Combine(OVREditorScript, TRANSITION_SCENE_RELATIVE_PATH);
}
}
string[] buildScenes = new string[1] {
transitionScenePath
};
string apkOutputPath = Path.Combine(BUNDLE_MANAGER_OUTPUT_PATH, "OVRTransition.apk");
DateTime apkBuildStart = DateTime.Now;
var buildPlayerOptions = new BuildPlayerOptions
{
scenes = buildScenes,
locationPathName = apkOutputPath,
target = BuildTarget.Android,
options = BuildOptions.Development |
BuildOptions.AutoRunPlayer
};
BuildReport report = BuildPipeline.BuildPlayer(buildPlayerOptions);
if (report.summary.result == BuildResult.Succeeded)
{
OVRBundleTool.PrintSuccess();
}
else if (report.summary.result == BuildResult.Failed)
{
OVRBundleTool.PrintError();
}
OVRPlugin.SendEvent("oculus_bundle_tool", "apk_build_time", (DateTime.Now - apkBuildStart).TotalSeconds.ToString());
PostbuildProjectSettingUpdate();
}
public static void DeleteLocalAssetBundles()
{
try
{
if (Directory.Exists(BUNDLE_MANAGER_OUTPUT_PATH))
{
OVRBundleTool.PrintLog("Deleting local bundles . . . ");
Directory.Delete(BUNDLE_MANAGER_OUTPUT_PATH, true);
}
}
catch (Exception e)
{
OVRBundleTool.PrintError(e.Message);
}
OVRBundleTool.PrintSuccess();
}
private static string GetTransitionApkOptionalIdentifier()
{
string transitionApkOptionalIdentifier;
// Check option value from editor UI
if (OVRBundleTool.GetUseOptionalTransitionApkPackage())
{
// Append .transition to default app package name to optionally allow both
// full build apk and transition apk to be installed on device
transitionApkOptionalIdentifier = ".transition";
}
else
{
transitionApkOptionalIdentifier = "";
}
return(transitionApkOptionalIdentifier);
}
public static void PrebuildProjectSettingUpdate()
{
// Save existing settings as some modifications can change other settings
projectDefaultAppIdentifier = PlayerSettings.GetApplicationIdentifier(BuildTargetGroup.Android);
projectDefaultVersion = PlayerSettings.bundleVersion;
projectAndroidArchitecture = PlayerSettings.Android.targetArchitectures;
projectScriptImplementation = PlayerSettings.GetScriptingBackend(EditorUserBuildSettings.selectedBuildTargetGroup);
projectManagedStrippingLevel = PlayerSettings.GetManagedStrippingLevel(BuildTargetGroup.Android);
projectStripEngineCode = PlayerSettings.stripEngineCode;
// Modify application identifier for transition APK
PlayerSettings.SetApplicationIdentifier(BuildTargetGroup.Android,
projectDefaultAppIdentifier + GetTransitionApkOptionalIdentifier());
// Set VersionCode as a unique identifier for transition APK
PlayerSettings.bundleVersion = TRANSITION_APK_VERSION_NAME;
// Modify Android target architecture as ARM64 does not support Mono.
if (projectAndroidArchitecture != AndroidArchitecture.ARMv7)
{
// Show message in console to make it more clear to developers
OVRBundleTool.PrintLog("Build will use ARMv7 as Android architecture.");
PlayerSettings.Android.targetArchitectures = AndroidArchitecture.ARMv7;
}
// Modify IL2CPP option as it strips script symbols that are necessary for the scenes at runtime
if (projectScriptImplementation != ScriptingImplementation.Mono2x)
{
// Show message in console to make it more clear to developers
OVRBundleTool.PrintLog("Build will use Mono as scripting backend.");
PlayerSettings.SetScriptingBackend(EditorUserBuildSettings.selectedBuildTargetGroup, ScriptingImplementation.Mono2x);
}
// Avoid stripping managed code that are necessary for the scenes at runtime
if (projectManagedStrippingLevel != ManagedStrippingLevel.Disabled)
{
OVRBundleTool.PrintLog("Build will set Managed Stripping Level to Disabled.");
PlayerSettings.SetManagedStrippingLevel(BuildTargetGroup.Android, ManagedStrippingLevel.Disabled);
}
if (projectStripEngineCode)
{
OVRBundleTool.PrintLog("Build will set Strip Engine Code to Disabled.");
PlayerSettings.stripEngineCode = false;
}
}
// Build and deploy a list of scenes. It's suggested to only build and deploy one active scene that's being modified and
// its dependencies such as scenes that are loaded additively
public static void BuildDeployScenes(List <OVRBundleTool.EditorSceneInfo> sceneList, bool forceRestart)
{
externalSceneCache = EXTERNAL_STORAGE_PATH + "/" + PlayerSettings.GetApplicationIdentifier(BuildTargetGroup.Android)
+ GetTransitionApkOptionalIdentifier() + "/cache/scenes";
BuildSceneBundles(sceneList);
if (DeploySceneBundles(sceneList))
{
if (forceRestart)
{
LaunchApplication();
return;
}
OVRBundleTool.PrintSuccess();
return;
}
}
public static BuildPlayerOptions?CalculateBundleBuildPlayerOptions()
{
if (!Directory.Exists(BUNDLE_MANAGER_OUTPUT_PATH))
{
Directory.CreateDirectory(BUNDLE_MANAGER_OUTPUT_PATH);
}
if (String.IsNullOrEmpty(transitionScenePath))
{
// Get current editor script's directory as base path
string[] res = System.IO.Directory.GetFiles(Application.dataPath, "OVRBundleManager.cs", SearchOption.AllDirectories);
if (res.Length > 1)
{
OVRBundleTool.PrintError("More than one OVRBundleManager editor script has been found, please double check your Oculus SDK import.");
return(null);
}
else
{
// Append Transition Scene's relative path to base path
var OVREditorScript = Path.GetDirectoryName(res[0]);
transitionScenePath = Path.Combine(OVREditorScript, TRANSITION_SCENE_RELATIVE_PATH);
}
}
string[] buildScenes = new string[1] {
transitionScenePath
};
string apkOutputPath = Path.Combine(BUNDLE_MANAGER_OUTPUT_PATH, "OVRTransition.apk");
return(new BuildPlayerOptions
{
scenes = buildScenes,
locationPathName = apkOutputPath,
target = BuildTarget.Android,
options = BuildOptions.Development |
BuildOptions.AutoRunPlayer
});
}
public static void DeleteRemoteAssetBundles()
{
OVRADBTool adbTool = new OVRADBTool(OVRConfig.Instance.GetAndroidSDKPath());
if (adbTool.isReady)
{
externalSceneCache = EXTERNAL_STORAGE_PATH + "/" + PlayerSettings.GetApplicationIdentifier(BuildTargetGroup.Android)
+ GetTransitionApkOptionalIdentifier() + "/cache/scenes";
bool failure = false;
string fileExistsError = "No such file or directory";
OVRBundleTool.PrintLog("Deleting device bundles . . . ");
string output, error;
string[] deleteBundleCommand = { "-d shell", "rm -r", externalSceneCache };
if (adbTool.RunCommand(deleteBundleCommand, null, out output, out error) != 0)
{
if (!(output.Contains(fileExistsError) || error.Contains(fileExistsError)))
{
failure = true;
}
}
if (failure)
{
OVRBundleTool.PrintError(string.IsNullOrEmpty(error) ? output : error);
OVRBundleTool.PrintError("Failed to delete scene bundle cache directory.");
}
else
{
OVRBundleTool.PrintSuccess();
}
}
else
{
OVRBundleTool.PrintError(ADB_TOOL_INITIALIZE_ERROR);
}
}
private static bool TransferSceneBundles(OVRADBTool adbTool, string absoluteTempPath, string externalSceneCache)
{
List <string> bundlesToTransfer = new List <string>();
List <string> bundlesToDelete = new List <string>();
string manifestFilePath = externalSceneCache + "/" + BUNDLE_MANAGER_MASTER_BUNDLE;
string[] pullManifestCommand = { "-d pull", "\"" + manifestFilePath + "\"", "\"" + absoluteTempPath + "\"" };
string output, error;
if (adbTool.RunCommand(pullManifestCommand, null, out output, out error) == 0)
{
// An existing manifest file was found on device. Load hashes and upload bundles that have changed hashes.
Debug.Log("[OVRBundleManager] - Scene bundle manifest file found. Decoding changes . . .");
// Load hashes from remote manifest
AssetBundle remoteBundle = AssetBundle.LoadFromFile(Path.Combine(absoluteTempPath, BUNDLE_MANAGER_MASTER_BUNDLE));
if (remoteBundle == null)
{
OVRBundleTool.PrintError("Failed to load remote asset bundle manifest file.");
return(false);
}
AssetBundleManifest remoteManifest = remoteBundle.LoadAsset <AssetBundleManifest>("AssetBundleManifest");
Dictionary <string, Hash128> remoteBundleToHash = new Dictionary <string, Hash128>();
if (remoteManifest != null)
{
string[] assetBundles = remoteManifest.GetAllAssetBundles();
foreach (string bundleName in assetBundles)
{
remoteBundleToHash[bundleName] = remoteManifest.GetAssetBundleHash(bundleName);
}
}
remoteBundle.Unload(true);
// Load hashes from local manifest
AssetBundle localBundle = AssetBundle.LoadFromFile(BUNDLE_MANAGER_OUTPUT_PATH + "\\" + BUNDLE_MANAGER_MASTER_BUNDLE
+ "\\" + BUNDLE_MANAGER_MASTER_BUNDLE);
if (localBundle == null)
{
OVRBundleTool.PrintError("<color=red>Failed to load local asset bundle manifest file.\n</color>");
return(false);
}
AssetBundleManifest localManifest = localBundle.LoadAsset <AssetBundleManifest>("AssetBundleManifest");
if (localManifest != null)
{
Hash128 zeroHash = new Hash128(0, 0, 0, 0);
// Build a list of dirty bundles that will have to be transfered
string relativeSceneBundlesPath = Path.Combine(BUNDLE_MANAGER_OUTPUT_PATH, BUNDLE_MANAGER_MASTER_BUNDLE);
bundlesToTransfer.Add(Path.Combine(relativeSceneBundlesPath, BUNDLE_MANAGER_MASTER_BUNDLE));
string[] assetBundles = localManifest.GetAllAssetBundles();
foreach (string bundleName in assetBundles)
{
if (!remoteBundleToHash.ContainsKey(bundleName))
{
bundlesToTransfer.Add(Path.Combine(relativeSceneBundlesPath, bundleName));
}
else
{
if (remoteBundleToHash[bundleName] != localManifest.GetAssetBundleHash(bundleName))
{
bundlesToTransfer.Add(Path.Combine(relativeSceneBundlesPath, bundleName));
}
remoteBundleToHash[bundleName] = zeroHash;
}
}
OVRBundleTool.PrintLog(bundlesToTransfer.Count + " dirty bundle(s) will be transfered.\n");
}
}
else
{
if (output.Contains("does not exist") || output.Contains("No such file or directory"))
{
// Fresh install of asset bundles, transfer all asset bundles
OVRBundleTool.PrintLog("Manifest file not found. Transfering all bundles . . . ");
string[] mkdirCommand = { "-d shell", "mkdir -p", "\"" + externalSceneCache + "\"" };
if (adbTool.RunCommand(mkdirCommand, null, out output, out error) == 0)
{
string absoluteSceneBundlePath = Path.Combine(Path.Combine(Application.dataPath, ".."),
Path.Combine(BUNDLE_MANAGER_OUTPUT_PATH, BUNDLE_MANAGER_MASTER_BUNDLE));
string[] assetBundlePaths = Directory.GetFiles(absoluteSceneBundlePath);
if (assetBundlePaths.Length != 0)
{
foreach (string path in assetBundlePaths)
{
if (!path.Contains(".manifest"))
{
bundlesToTransfer.Add(path);
}
}
}
else
{
OVRBundleTool.PrintError("Failed to locate scene bundles to transfer.");
return(false);
}
}
}
}
// If any adb error occured during manifest calculation, print it and return false
if (!string.IsNullOrEmpty(error) || output.Contains("error"))
{
OVRBundleTool.PrintError(string.IsNullOrEmpty(error) ? output : error);
return(false);
}
// Transfer bundles to device
DateTime transferStart = DateTime.Now;
foreach (string bundle in bundlesToTransfer)
{
string absoluteBundlePath = Path.Combine(Path.Combine(Application.dataPath, ".."), bundle);
string[] pushBundleCommand = { "-d push", "\"" + absoluteBundlePath + "\"", "\"" + externalSceneCache + "\"" };
adbTool.RunCommandAsync(pushBundleCommand, null);
}
Debug.Log("[OVRBundleManager] - Transfer took " + (DateTime.Now - transferStart).TotalSeconds + " seconds.");
// Delete stale bundles on device
if (bundlesToDelete.Count > 0)
{
foreach (string bundle in bundlesToDelete)
{
string bundlePath = externalSceneCache + "/" + bundle;
string[] deleteBundleCommand = { "-d shell", "rm", "\"" + bundlePath + "\"" };
adbTool.RunCommandAsync(deleteBundleCommand, null);
}
OVRBundleTool.PrintLog("Deleted " + bundlesToDelete.Count + " bundle(s) that were stale");
}
return(true);
}
private static bool DeploySceneBundles(List <OVRBundleTool.EditorSceneInfo> sceneList)
{
// Create Temp directory on local machine if it does not exist
string tempDirectory = Path.Combine(BUNDLE_MANAGER_OUTPUT_PATH, "Temp");
if (!Directory.Exists(tempDirectory))
{
Directory.CreateDirectory(tempDirectory);
}
string absoluteTempPath = Path.Combine(Path.Combine(Application.dataPath, ".."), tempDirectory);
OVRBundleTool.PrintLog("Deploying scene bundles to device . . . ");
OVRADBTool adbTool = new OVRADBTool(OVRConfig.Instance.GetAndroidSDKPath());
if (adbTool.isReady)
{
DateTime transferStart = DateTime.Now;
for (int i = 0; i < sceneList.Count; ++i)
{
if (!sceneList[i].shouldDeploy)
{
continue;
}
OVRBundleTool.UpdateSceneBuildStatus(OVRBundleTool.SceneBundleStatus.TRANSFERRING, i);
}
// Transfer all scene bundles that are relavent
if (!TransferSceneBundles(adbTool, absoluteTempPath, externalSceneCache))
{
return(false);
}
for (int i = 0; i < sceneList.Count; ++i)
{
if (!sceneList[i].shouldDeploy)
{
continue;
}
OVRBundleTool.UpdateSceneBuildStatus(OVRBundleTool.SceneBundleStatus.DEPLOYED, i);
}
// Create file to tell transition scene APK which scene to load and push it to the device
string sceneLoadDataPath = Path.Combine(tempDirectory, OVRSceneLoader.sceneLoadDataName);
if (File.Exists(sceneLoadDataPath))
{
File.Delete(sceneLoadDataPath);
}
StreamWriter writer = new StreamWriter(sceneLoadDataPath, true);
// Write version and scene names
long unixTime = (int)(DateTimeOffset.UtcNow.ToUniversalTime() - new DateTime(1970, 1, 1, 0, 0, 0)).TotalSeconds;
writer.WriteLine(unixTime.ToString());
for (int i = 0; i < sceneList.Count; i++)
{
if (!sceneList[i].shouldDeploy)
{
continue;
}
writer.WriteLine(Path.GetFileNameWithoutExtension(sceneList[i].scenePath));
}
writer.Close();
string absoluteSceneLoadDataPath = Path.Combine(absoluteTempPath, OVRSceneLoader.sceneLoadDataName);
string[] pushCommand = { "-d push", "\"" + absoluteSceneLoadDataPath + "\"", "\"" + externalSceneCache + "\"" };
string output, error;
if (adbTool.RunCommand(pushCommand, null, out output, out error) == 0)
{
Debug.Log("[OVRBundleManager] Scene Load Data Pushed to Device.");
return(true);
}
OVRBundleTool.PrintError(string.IsNullOrEmpty(error) ? output : error);
}
else
{
OVRBundleTool.PrintError(ADB_TOOL_INITIALIZE_ERROR);
}
return(false);
}
// Build assets that are used by scenes from the given list.
// This function will automatically de-duplicated same asset file being referenced in multiple scenes.
// Scene bundles will be created with name pattern: <SceneName>_<AssetTypeExtention><ChunckNumber>
private static void BuildSceneBundles(List <OVRBundleTool.EditorSceneInfo> sceneList)
{
DateTime totalStart = DateTime.Now;
// Keeps track of dependent assets across scenes
// to ensure each asset is only packaged once in one of the scene bundles.
// uniqueAssetInSceneBundle is a map from "asset unique identifier" to the first scene that references the asset.
// It supports different assets with same file name as "asset unique identifier" contain full qualified asset file path
Dictionary <string, string> uniqueAssetInSceneBundle = new Dictionary <string, string>();
// List of bundle targets for Unity's build pipeline to package
List <AssetBundleBuild> assetBundleBuilds = new List <AssetBundleBuild>();
// Map that contains "asset type" to list of assets that are of the asset type
Dictionary <string, List <string> > extToAssetList = new Dictionary <string, List <string> >();
// Check if assets in Resources need to be packaged
if (CheckForResources())
{
var resourceDirectories = Directory.GetDirectories("Assets", "Resources", SearchOption.AllDirectories).ToArray();
// Fetch a list of all files in resource directory
string[] resourceAssetPaths = AssetDatabase.FindAssets("", resourceDirectories).Select(x => AssetDatabase.GUIDToAssetPath(x)).ToArray();
ProcessAssets(resourceAssetPaths, "resources", ref uniqueAssetInSceneBundle, ref extToAssetList);
AssetBundleBuild resourceBundle = new AssetBundleBuild();
resourceBundle.assetNames = uniqueAssetInSceneBundle.Keys.ToArray();
resourceBundle.assetBundleName = OVRSceneLoader.resourceBundleName;
assetBundleBuilds.Add(resourceBundle);
}
// Create scene bundle output directory
string sceneBundleDirectory = Path.Combine(BUNDLE_MANAGER_OUTPUT_PATH, BUNDLE_MANAGER_MASTER_BUNDLE);
if (!Directory.Exists(sceneBundleDirectory))
{
Directory.CreateDirectory(sceneBundleDirectory);
}
OVRBundleTool.PrintLog("Building scene bundles . . . ");
DateTime labelingStart = DateTime.Now;
for (int i = 0; i < sceneList.Count; ++i)
{
var scene = sceneList[i];
if (!scene.shouldDeploy)
{
continue;
}
// Get all the assets that the scene depends on and sort them by type
DateTime getDepStart = DateTime.Now;
string[] assetDependencies = AssetDatabase.GetDependencies(scene.scenePath);
Debug.Log("[OVRBundleManager] - " + scene.sceneName + " - Calculated scene asset dependencies in: " + (DateTime.Now - getDepStart).TotalSeconds);
ProcessAssets(assetDependencies, scene.sceneName, ref uniqueAssetInSceneBundle, ref extToAssetList);
// Add the scene into it's own bundle
string[] sceneAsset = new string[1] {
scene.scenePath
};
AssetBundleBuild sceneBuild = new AssetBundleBuild();
sceneBuild.assetBundleName = "scene_" + scene.sceneName;
sceneBuild.assetNames = sceneAsset;
assetBundleBuilds.Add(sceneBuild);
}
// Chunk the asset bundles by number of assets
foreach (string ext in extToAssetList.Keys)
{
int assetCount = extToAssetList[ext].Count;
int numChunks = (assetCount + BUNDLE_CHUNK_SIZE - 1) / BUNDLE_CHUNK_SIZE;
//Debug.Log(ext + " has " + assetCount + " asset(s) that will be split into " + numChunks + " chunk(s)");
for (int i = 0; i < numChunks; i++)
{
List <string> assetChunkList;
if (i == numChunks - 1)
{
int size = BUNDLE_CHUNK_SIZE - (numChunks * BUNDLE_CHUNK_SIZE - assetCount);
assetChunkList = extToAssetList[ext].GetRange(i * BUNDLE_CHUNK_SIZE, size);
}
else
{
assetChunkList = extToAssetList[ext].GetRange(i * BUNDLE_CHUNK_SIZE, BUNDLE_CHUNK_SIZE);
}
AssetBundleBuild build = new AssetBundleBuild();
build.assetBundleName = "asset_" + ext + i;
build.assetNames = assetChunkList.ToArray();
//Debug.Log("Chunk " + i + " has " + assetChunkList.Count + " asset(s)");
assetBundleBuilds.Add(build);
}
}
Debug.Log("[OVRBundleManager] - Created chucked scene bundles in: " + (DateTime.Now - labelingStart).TotalSeconds);
// Build asset bundles
BuildPipeline.BuildAssetBundles(sceneBundleDirectory, assetBundleBuilds.ToArray(),
BuildAssetBundleOptions.UncompressedAssetBundle, BuildTarget.Android);
double bundleBuildTime = (DateTime.Now - totalStart).TotalSeconds;
Debug.Log("[OVRBundleManager] - Total Time: " + bundleBuildTime);
}
