/// <summary> /// /// </summary> /// <param name="ProjectFile"></param> /// <param name="Executable"></param> /// <param name="StageDirectory"></param> /// <param name="PlatformType"></param> public static void GenerateAssetCatalog(FileReference ProjectFile, string Executable, string StageDirectory, UnrealTargetPlatform PlatformType) { // Initialize the toolchain. IOSProjectSettings ProjectSettings = ((IOSPlatform)UEBuildPlatform.GetBuildPlatform(PlatformType)).ReadProjectSettings(null); IOSToolChain ToolChain = new IOSToolChain(ProjectFile, ProjectSettings); // Determine whether the user has modified icons that require a remote Mac to build. CppPlatform Platform = PlatformType == UnrealTargetPlatform.IOS ? CppPlatform.IOS : CppPlatform.TVOS; bool bUserImagesExist = false; ToolChain.GenerateAssetCatalog(Platform, ref bUserImagesExist); // Don't attempt to do anything remotely if the user is using the default UE4 images. if (!bUserImagesExist) { return; } // Also don't attempt to use a remote Mac if packaging for TVOS on PC. if (Platform == CppPlatform.TVOS && BuildHostPlatform.Current.Platform != UnrealTargetPlatform.Mac) { return; } // Save off the current bUseRPCUtil setting to restore at the end of this function. // At this time, iPhonePackager needs to be called with bUseRPCUtil == true. bool bSaveUseRPCUtil = RemoteToolChain.bUseRPCUtil; // Initialize the remote calling environment, taking into account the user's SSH setting. ToolChain.SetUpGlobalEnvironment(false); // Build the asset catalog ActionGraph. ActionGraph ActionGraph = new ActionGraph(); List <FileItem> OutputFiles = new List <FileItem>(); ToolChain.CompileAssetCatalog(FileItem.GetItemByPath(Executable), Platform, ActionGraph, OutputFiles); ActionGraph.FinalizeActionGraph(); // I'm not sure how to derive the UE4Game and Development arguments programmatically. string[] Arguments = new string[] { "UE4Game", (PlatformType == UnrealTargetPlatform.IOS ? "IOS" : "TVOS"), "Development", "-UniqueBuildEnvironment" }; // Perform all of the setup necessary to actually execute the ActionGraph instance. ReadOnlyBuildVersion Version = new ReadOnlyBuildVersion(BuildVersion.ReadDefault()); List <string[]> TargetSettings = new List <string[]>(); TargetSettings.Add(Arguments); var Targets = new List <UEBuildTarget>(); Dictionary <UEBuildTarget, CPPHeaders> TargetToHeaders = new Dictionary <UEBuildTarget, CPPHeaders>(); List <TargetDescriptor> TargetDescs = new List <TargetDescriptor>(); foreach (string[] TargetSetting in TargetSettings) { TargetDescs.AddRange(TargetDescriptor.ParseCommandLine(TargetSetting, ref ProjectFile)); } foreach (TargetDescriptor TargetDesc in TargetDescs) { UEBuildTarget Target = UEBuildTarget.CreateTarget(TargetDesc, Arguments, false, Version); if (Target == null) { continue; } Targets.Add(Target); TargetToHeaders.Add(Target, null); } bool bIsRemoteCompile = BuildHostPlatform.Current.Platform != UnrealTargetPlatform.Mac; // Create the build configuration object, and read the settings BuildConfiguration BuildConfiguration = new BuildConfiguration(); XmlConfig.ApplyTo(BuildConfiguration); CommandLine.ParseArguments(Arguments, BuildConfiguration); BuildConfiguration.bUseUBTMakefiles = false; Action[] PrerequisiteActions; { HashSet <Action> PrerequisiteActionsSet = new HashSet <Action>(); foreach (FileItem OutputFile in OutputFiles) { ActionGraph.GatherPrerequisiteActions(OutputFile, ref PrerequisiteActionsSet); } PrerequisiteActions = PrerequisiteActionsSet.ToArray(); } // Copy any asset catalog files to the remote Mac, if necessary. foreach (UEBuildTarget Target in Targets) { UEBuildPlatform.GetBuildPlatform(Target.Platform).PreBuildSync(); } // Begin execution of the ActionGraph. Dictionary <UEBuildTarget, List <FileItem> > TargetToOutdatedPrerequisitesMap; List <Action> ActionsToExecute = ActionGraph.GetActionsToExecute(BuildConfiguration, PrerequisiteActions, Targets, TargetToHeaders, true, true, out TargetToOutdatedPrerequisitesMap); string ExecutorName = "Unknown"; bool bSuccess = ActionGraph.ExecuteActions(BuildConfiguration, ActionsToExecute, bIsRemoteCompile, out ExecutorName, "", EHotReload.Disabled); if (bSuccess) { if (bIsRemoteCompile) { // Copy the remotely built AssetCatalog directory locally. foreach (FileItem OutputFile in OutputFiles) { string RemoteDirectory = System.IO.Path.GetDirectoryName(OutputFile.AbsolutePath).Replace("\\", "/"); FileItem LocalExecutable = ToolChain.RemoteToLocalFileItem(FileItem.GetItemByPath(Executable)); string LocalDirectory = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(LocalExecutable.AbsolutePath), "AssetCatalog"); LocalDirectory = StageDirectory; RPCUtilHelper.CopyDirectory(RemoteDirectory, LocalDirectory, RPCUtilHelper.ECopyOptions.DoNotReplace); } } else { // Copy the built AssetCatalog directory to the StageDirectory. foreach (FileItem OutputFile in OutputFiles) { string SourceDirectory = System.IO.Path.GetDirectoryName(OutputFile.AbsolutePath).Replace("\\", "/"); System.IO.DirectoryInfo SourceDirectoryInfo = new System.IO.DirectoryInfo(SourceDirectory); if (!System.IO.Directory.Exists(StageDirectory)) { System.IO.Directory.CreateDirectory(StageDirectory); } System.IO.FileInfo[] SourceFiles = SourceDirectoryInfo.GetFiles(); foreach (System.IO.FileInfo SourceFile in SourceFiles) { string DestinationPath = System.IO.Path.Combine(StageDirectory, SourceFile.Name); SourceFile.CopyTo(DestinationPath, true); } } } } // Restore the former bUseRPCUtil setting. RemoteToolChain.bUseRPCUtil = bSaveUseRPCUtil; }