/// <summary>
/// Protected constructor. Used by TVOSProjectSettings.
/// </summary>
/// <param name="ProjectFile">The project file to read settings for</param>
/// <param name="Platform">The platform to read settings for</param>
/// <param name="Bundle">Bundle identifier needed when project file is empty</param>
protected IOSProjectSettings(FileReference ProjectFile, UnrealTargetPlatform Platform, string Bundle)
{
this.ProjectFile = ProjectFile;
ConfigCache.ReadSettings(DirectoryReference.FromFile(ProjectFile), Platform, this);
if ((ProjectFile == null || string.IsNullOrEmpty(ProjectFile.FullName)) && !string.IsNullOrEmpty(Bundle))
{
BundleIdentifier = Bundle;
}
BundleIdentifier = BundleIdentifier.Replace("[PROJECT_NAME]", ((ProjectFile != null) ? ProjectFile.GetFileNameWithoutAnyExtensions() : "UE4Game")).Replace("_", "");
}
public override void ValidateTarget(TargetRules Target)
{
// WindowsTargetRules are reused for HoloLens, so that build modules can keep the model that reuses "windows" configs for most cases
// That means overriding those settings here that need to be adjusted for HoloLens
// Compiler version and pix flags must be reloaded from the HoloLens hive
// Currently BP-only projects don't load build-related settings from their remote ini when building UE4Game.exe
// (see TargetRules.cs, where the possibly-null project directory is passed to ConfigCache.ReadSettings).
// It's important for HoloLens that we *do* use the project-specific settings when building (VS 2017 vs 2015 and
// retail Windows Store are both examples). Possibly this should be done on all platforms? But in the interest
// of not changing behavior on other platforms I'm limiting the scope.
DirectoryReference IniDirRef = DirectoryReference.FromFile(Target.ProjectFile);
if (IniDirRef == null && !string.IsNullOrEmpty(UnrealBuildTool.GetRemoteIniPath()))
{
IniDirRef = new DirectoryReference(UnrealBuildTool.GetRemoteIniPath());
}
// Stash the current compiler choice (accounts for command line) in case ReadSettings reverts it to default
WindowsCompiler CompilerBeforeReadSettings = Target.HoloLensPlatform.Compiler;
ConfigCache.ReadSettings(IniDirRef, Platform, Target.HoloLensPlatform);
if (Target.HoloLensPlatform.Compiler == WindowsCompiler.Default)
{
if (CompilerBeforeReadSettings != WindowsCompiler.Default)
{
// Previous setting was more specific, use that
Target.HoloLensPlatform.Compiler = CompilerBeforeReadSettings;
}
else
{
Target.HoloLensPlatform.Compiler = WindowsPlatform.GetDefaultCompiler(Target.ProjectFile);
}
}
if (!Target.bGenerateProjectFiles)
{
Log.TraceInformationOnce("Using {0} architecture for deploying to HoloLens device", Target.HoloLensPlatform.Architecture);
}
Target.WindowsPlatform.Compiler = Target.HoloLensPlatform.Compiler;
Target.WindowsPlatform.Architecture = Target.HoloLensPlatform.Architecture;
Target.WindowsPlatform.bPixProfilingEnabled = Target.HoloLensPlatform.bPixProfilingEnabled;
Target.WindowsPlatform.bUseWindowsSDK10 = true;
Target.bDeployAfterCompile = true;
Target.bCompileNvCloth = false; // requires CUDA
// Disable Simplygon support if compiling against the NULL RHI.
if (Target.GlobalDefinitions.Contains("USE_NULL_RHI=1"))
{
Target.bCompileSpeedTree = false;
}
// Use shipping binaries to avoid dependency on nvToolsExt which fails WACK.
if (Target.Configuration == UnrealTargetConfiguration.Shipping)
{
Target.bUseShippingPhysXLibraries = true;
}
// Be resilient to SDKs being uninstalled but still referenced in the INI file
VersionNumber SelectedWindowsSdkVersion;
DirectoryReference SelectedWindowsSdkDir;
if (!WindowsPlatform.TryGetWindowsSdkDir(Target.HoloLensPlatform.Win10SDKVersionString, out SelectedWindowsSdkVersion, out SelectedWindowsSdkDir))
{
Target.HoloLensPlatform.Win10SDKVersionString = "Latest";
}
// Initialize the VC environment for the target, and set all the version numbers to the concrete values we chose.
VCEnvironment Environment = VCEnvironment.Create(Target.WindowsPlatform.Compiler, Platform, Target.WindowsPlatform.Architecture, Target.WindowsPlatform.CompilerVersion, Target.HoloLensPlatform.Win10SDKVersionString, null);
Target.WindowsPlatform.Environment = Environment;
Target.WindowsPlatform.Compiler = Environment.Compiler;
Target.WindowsPlatform.CompilerVersion = Environment.CompilerVersion.ToString();
Target.WindowsPlatform.WindowsSdkVersion = Environment.WindowsSdkVersion.ToString();
// Windows 10 SDK version
// Auto-detect latest compatible by default (recommended), allow for explicit override if necessary
// Validate that the SDK isn't too old, and that the combination of VS and SDK is supported.
Target.HoloLensPlatform.Win10SDKVersion = new Version(Environment.WindowsSdkVersion.ToString());
if (!Target.bGenerateProjectFiles)
{
Log.TraceInformationOnce("Building using Windows SDK version {0} for HoloLens", Target.HoloLensPlatform.Win10SDKVersion);
if (Target.HoloLensPlatform.Win10SDKVersion < MinimumSDKVersionRecommended)
{
Log.TraceWarning("Your Windows SDK version {0} is older than the minimum recommended version ({1}) for HoloLens. Consider upgrading.", Target.HoloLensPlatform.Win10SDKVersion, MinimumSDKVersionRecommended);
}
else if (Target.HoloLensPlatform.Win10SDKVersion > MaximumSDKVersionTested)
{
Log.TraceInformationOnce("Your Windows SDK version ({0}) for HoloLens is newer than the highest tested with this version of UBT ({1}). This is probably fine, but if you encounter issues consider using an earlier SDK.", Target.HoloLensPlatform.Win10SDKVersion, MaximumSDKVersionTested);
}
}
HoloLensExports.InitWindowsSdkToolPath(Target.HoloLensPlatform.Win10SDKVersion.ToString());
}
